valgrind.h 276 KB
Newer Older
gejun's avatar
gejun committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14
/* -*- c -*-
   ----------------------------------------------------------------

   Notice that the following BSD-style license applies to this one
   file (valgrind.h) only.  The rest of Valgrind is licensed under the
   terms of the GNU General Public License, version 2, unless
   otherwise indicated.  See the COPYING file in the source
   distribution for details.

   ----------------------------------------------------------------

   This file is part of Valgrind, a dynamic binary instrumentation
   framework.

gejun's avatar
gejun committed
15
   Copyright (C) 2000-2012 Julian Seward.  All rights reserved.
gejun's avatar
gejun committed
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   1. Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.

   2. The origin of this software must not be misrepresented; you must 
      not claim that you wrote the original software.  If you use this 
      software in a product, an acknowledgment in the product 
      documentation would be appreciated but is not required.

   3. Altered source versions must be plainly marked as such, and must
      not be misrepresented as being the original software.

   4. The name of the author may not be used to endorse or promote 
      products derived from this software without specific prior written 
      permission.

   THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
   OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

   ----------------------------------------------------------------

   Notice that the above BSD-style license applies to this one file
   (valgrind.h) only.  The entire rest of Valgrind is licensed under
   the terms of the GNU General Public License, version 2.  See the
   COPYING file in the source distribution for details.

   ---------------------------------------------------------------- 
*/


/* This file is for inclusion into client (your!) code.

   You can use these macros to manipulate and query Valgrind's 
   execution inside your own programs.

   The resulting executables will still run without Valgrind, just a
   little bit more slowly than they otherwise would, but otherwise
   unchanged.  When not running on valgrind, each client request
   consumes very few (eg. 7) instructions, so the resulting performance
   loss is negligible unless you plan to execute client requests
   millions of times per second.  Nevertheless, if that is still a
   problem, you can compile with the NVALGRIND symbol defined (gcc
   -DNVALGRIND) so that client requests are not even compiled in.  */

#ifndef __VALGRIND_H
#define __VALGRIND_H


/* ------------------------------------------------------------------ */
/* VERSION NUMBER OF VALGRIND                                         */
/* ------------------------------------------------------------------ */

/* Specify Valgrind's version number, so that user code can
   conditionally compile based on our version number.  Note that these
   were introduced at version 3.6 and so do not exist in version 3.5
   or earlier.  The recommended way to use them to check for "version
   X.Y or later" is (eg)

#if defined(__VALGRIND_MAJOR__) && defined(__VALGRIND_MINOR__)   \
    && (__VALGRIND_MAJOR__ > 3                                   \
        || (__VALGRIND_MAJOR__ == 3 && __VALGRIND_MINOR__ >= 6))
*/
#define __VALGRIND_MAJOR__    3
gejun's avatar
gejun committed
92
#define __VALGRIND_MINOR__    8
gejun's avatar
gejun committed
93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118


#include <stdarg.h>

/* Nb: this file might be included in a file compiled with -ansi.  So
   we can't use C++ style "//" comments nor the "asm" keyword (instead
   use "__asm__"). */

/* Derive some tags indicating what the target platform is.  Note
   that in this file we're using the compiler's CPP symbols for
   identifying architectures, which are different to the ones we use
   within the rest of Valgrind.  Note, __powerpc__ is active for both
   32 and 64-bit PPC, whereas __powerpc64__ is only active for the
   latter (on Linux, that is).

   Misc note: how to find out what's predefined in gcc by default:
   gcc -Wp,-dM somefile.c
*/
#undef PLAT_x86_darwin
#undef PLAT_amd64_darwin
#undef PLAT_x86_win32
#undef PLAT_x86_linux
#undef PLAT_amd64_linux
#undef PLAT_ppc32_linux
#undef PLAT_ppc64_linux
#undef PLAT_arm_linux
gejun's avatar
gejun committed
119 120
#undef PLAT_s390x_linux
#undef PLAT_mips32_linux
gejun's avatar
gejun committed
121

gejun's avatar
gejun committed
122 123

#if defined(__APPLE__) && defined(__i386__)
gejun's avatar
gejun committed
124 125 126
#  define PLAT_x86_darwin 1
#elif defined(__APPLE__) && defined(__x86_64__)
#  define PLAT_amd64_darwin 1
gejun's avatar
gejun committed
127 128
#elif defined(__MINGW32__) || defined(__CYGWIN32__) \
      || (defined(_WIN32) && defined(_M_IX86))
gejun's avatar
gejun committed
129 130 131 132 133 134 135 136 137 138 139
#  define PLAT_x86_win32 1
#elif defined(__linux__) && defined(__i386__)
#  define PLAT_x86_linux 1
#elif defined(__linux__) && defined(__x86_64__)
#  define PLAT_amd64_linux 1
#elif defined(__linux__) && defined(__powerpc__) && !defined(__powerpc64__)
#  define PLAT_ppc32_linux 1
#elif defined(__linux__) && defined(__powerpc__) && defined(__powerpc64__)
#  define PLAT_ppc64_linux 1
#elif defined(__linux__) && defined(__arm__)
#  define PLAT_arm_linux 1
gejun's avatar
gejun committed
140 141 142 143
#elif defined(__linux__) && defined(__s390__) && defined(__s390x__)
#  define PLAT_s390x_linux 1
#elif defined(__linux__) && defined(__mips__)
#  define PLAT_mips32_linux 1
gejun's avatar
gejun committed
144 145 146 147 148 149 150 151 152 153 154 155 156 157
#else
/* If we're not compiling for our target platform, don't generate
   any inline asms.  */
#  if !defined(NVALGRIND)
#    define NVALGRIND 1
#  endif
#endif


/* ------------------------------------------------------------------ */
/* ARCHITECTURE SPECIFICS for SPECIAL INSTRUCTIONS.  There is nothing */
/* in here of use to end-users -- skip to the next section.           */
/* ------------------------------------------------------------------ */

gejun's avatar
gejun committed
158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183
/*
 * VALGRIND_DO_CLIENT_REQUEST(): a statement that invokes a Valgrind client
 * request. Accepts both pointers and integers as arguments.
 *
 * VALGRIND_DO_CLIENT_REQUEST_STMT(): a statement that invokes a Valgrind
 * client request that does not return a value.

 * VALGRIND_DO_CLIENT_REQUEST_EXPR(): a C expression that invokes a Valgrind
 * client request and whose value equals the client request result.  Accepts
 * both pointers and integers as arguments.  Note that such calls are not
 * necessarily pure functions -- they may have side effects.
 */

#define VALGRIND_DO_CLIENT_REQUEST(_zzq_rlval, _zzq_default,            \
                                   _zzq_request, _zzq_arg1, _zzq_arg2,  \
                                   _zzq_arg3, _zzq_arg4, _zzq_arg5)     \
  do { (_zzq_rlval) = VALGRIND_DO_CLIENT_REQUEST_EXPR((_zzq_default),   \
                        (_zzq_request), (_zzq_arg1), (_zzq_arg2),       \
                        (_zzq_arg3), (_zzq_arg4), (_zzq_arg5)); } while (0)

#define VALGRIND_DO_CLIENT_REQUEST_STMT(_zzq_request, _zzq_arg1,        \
                           _zzq_arg2,  _zzq_arg3, _zzq_arg4, _zzq_arg5) \
  do { (void) VALGRIND_DO_CLIENT_REQUEST_EXPR(0,                        \
                    (_zzq_request), (_zzq_arg1), (_zzq_arg2),           \
                    (_zzq_arg3), (_zzq_arg4), (_zzq_arg5)); } while (0)

gejun's avatar
gejun committed
184 185 186 187 188
#if defined(NVALGRIND)

/* Define NVALGRIND to completely remove the Valgrind magic sequence
   from the compiled code (analogous to NDEBUG's effects on
   assert()) */
gejun's avatar
gejun committed
189 190
#define VALGRIND_DO_CLIENT_REQUEST_EXPR(                          \
        _zzq_default, _zzq_request,                               \
gejun's avatar
gejun committed
191
        _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4, _zzq_arg5)    \
gejun's avatar
gejun committed
192
      (_zzq_default)
gejun's avatar
gejun committed
193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245

#else  /* ! NVALGRIND */

/* The following defines the magic code sequences which the JITter
   spots and handles magically.  Don't look too closely at them as
   they will rot your brain.

   The assembly code sequences for all architectures is in this one
   file.  This is because this file must be stand-alone, and we don't
   want to have multiple files.

   For VALGRIND_DO_CLIENT_REQUEST, we must ensure that the default
   value gets put in the return slot, so that everything works when
   this is executed not under Valgrind.  Args are passed in a memory
   block, and so there's no intrinsic limit to the number that could
   be passed, but it's currently five.
   
   The macro args are: 
      _zzq_rlval    result lvalue
      _zzq_default  default value (result returned when running on real CPU)
      _zzq_request  request code
      _zzq_arg1..5  request params

   The other two macros are used to support function wrapping, and are
   a lot simpler.  VALGRIND_GET_NR_CONTEXT returns the value of the
   guest's NRADDR pseudo-register and whatever other information is
   needed to safely run the call original from the wrapper: on
   ppc64-linux, the R2 value at the divert point is also needed.  This
   information is abstracted into a user-visible type, OrigFn.

   VALGRIND_CALL_NOREDIR_* behaves the same as the following on the
   guest, but guarantees that the branch instruction will not be
   redirected: x86: call *%eax, amd64: call *%rax, ppc32/ppc64:
   branch-and-link-to-r11.  VALGRIND_CALL_NOREDIR is just text, not a
   complete inline asm, since it needs to be combined with more magic
   inline asm stuff to be useful.
*/

/* ------------------------- x86-{linux,darwin} ---------------- */

#if defined(PLAT_x86_linux)  ||  defined(PLAT_x86_darwin)  \
    ||  (defined(PLAT_x86_win32) && defined(__GNUC__))

typedef
   struct { 
      unsigned int nraddr; /* where's the code? */
   }
   OrigFn;

#define __SPECIAL_INSTRUCTION_PREAMBLE                            \
                     "roll $3,  %%edi ; roll $13, %%edi\n\t"      \
                     "roll $29, %%edi ; roll $19, %%edi\n\t"

gejun's avatar
gejun committed
246 247
#define VALGRIND_DO_CLIENT_REQUEST_EXPR(                          \
        _zzq_default, _zzq_request,                               \
gejun's avatar
gejun committed
248
        _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4, _zzq_arg5)    \
gejun's avatar
gejun committed
249 250
  __extension__                                                   \
  ({volatile unsigned int _zzq_args[6];                           \
gejun's avatar
gejun committed
251 252 253 254 255 256 257 258 259 260 261 262 263 264
    volatile unsigned int _zzq_result;                            \
    _zzq_args[0] = (unsigned int)(_zzq_request);                  \
    _zzq_args[1] = (unsigned int)(_zzq_arg1);                     \
    _zzq_args[2] = (unsigned int)(_zzq_arg2);                     \
    _zzq_args[3] = (unsigned int)(_zzq_arg3);                     \
    _zzq_args[4] = (unsigned int)(_zzq_arg4);                     \
    _zzq_args[5] = (unsigned int)(_zzq_arg5);                     \
    __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* %EDX = client_request ( %EAX ) */         \
                     "xchgl %%ebx,%%ebx"                          \
                     : "=d" (_zzq_result)                         \
                     : "a" (&_zzq_args[0]), "0" (_zzq_default)    \
                     : "cc", "memory"                             \
                    );                                            \
gejun's avatar
gejun committed
265 266
    _zzq_result;                                                  \
  })
gejun's avatar
gejun committed
267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302

#define VALGRIND_GET_NR_CONTEXT(_zzq_rlval)                       \
  { volatile OrigFn* _zzq_orig = &(_zzq_rlval);                   \
    volatile unsigned int __addr;                                 \
    __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* %EAX = guest_NRADDR */                    \
                     "xchgl %%ecx,%%ecx"                          \
                     : "=a" (__addr)                              \
                     :                                            \
                     : "cc", "memory"                             \
                    );                                            \
    _zzq_orig->nraddr = __addr;                                   \
  }

#define VALGRIND_CALL_NOREDIR_EAX                                 \
                     __SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* call-noredir *%EAX */                     \
                     "xchgl %%edx,%%edx\n\t"
#endif /* PLAT_x86_linux || PLAT_x86_darwin || (PLAT_x86_win32 && __GNUC__) */

/* ------------------------- x86-Win32 ------------------------- */

#if defined(PLAT_x86_win32) && !defined(__GNUC__)

typedef
   struct { 
      unsigned int nraddr; /* where's the code? */
   }
   OrigFn;

#if defined(_MSC_VER)

#define __SPECIAL_INSTRUCTION_PREAMBLE                            \
                     __asm rol edi, 3  __asm rol edi, 13          \
                     __asm rol edi, 29 __asm rol edi, 19

gejun's avatar
gejun committed
303 304
#define VALGRIND_DO_CLIENT_REQUEST_EXPR(                          \
        _zzq_default, _zzq_request,                               \
gejun's avatar
gejun committed
305
        _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4, _zzq_arg5)    \
gejun's avatar
gejun committed
306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332
    valgrind_do_client_request_expr((uintptr_t)(_zzq_default),    \
        (uintptr_t)(_zzq_request), (uintptr_t)(_zzq_arg1),        \
        (uintptr_t)(_zzq_arg2), (uintptr_t)(_zzq_arg3),           \
        (uintptr_t)(_zzq_arg4), (uintptr_t)(_zzq_arg5))

static __inline uintptr_t
valgrind_do_client_request_expr(uintptr_t _zzq_default, uintptr_t _zzq_request,
                                uintptr_t _zzq_arg1, uintptr_t _zzq_arg2,
                                uintptr_t _zzq_arg3, uintptr_t _zzq_arg4,
                                uintptr_t _zzq_arg5)
{
    volatile uintptr_t _zzq_args[6];
    volatile unsigned int _zzq_result;
    _zzq_args[0] = (uintptr_t)(_zzq_request);
    _zzq_args[1] = (uintptr_t)(_zzq_arg1);
    _zzq_args[2] = (uintptr_t)(_zzq_arg2);
    _zzq_args[3] = (uintptr_t)(_zzq_arg3);
    _zzq_args[4] = (uintptr_t)(_zzq_arg4);
    _zzq_args[5] = (uintptr_t)(_zzq_arg5);
    __asm { __asm lea eax, _zzq_args __asm mov edx, _zzq_default
            __SPECIAL_INSTRUCTION_PREAMBLE
            /* %EDX = client_request ( %EAX ) */
            __asm xchg ebx,ebx
            __asm mov _zzq_result, edx
    }
    return _zzq_result;
}
gejun's avatar
gejun committed
333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366

#define VALGRIND_GET_NR_CONTEXT(_zzq_rlval)                       \
  { volatile OrigFn* _zzq_orig = &(_zzq_rlval);                   \
    volatile unsigned int __addr;                                 \
    __asm { __SPECIAL_INSTRUCTION_PREAMBLE                        \
            /* %EAX = guest_NRADDR */                             \
            __asm xchg ecx,ecx                                    \
            __asm mov __addr, eax                                 \
    }                                                             \
    _zzq_orig->nraddr = __addr;                                   \
  }

#define VALGRIND_CALL_NOREDIR_EAX ERROR

#else
#error Unsupported compiler.
#endif

#endif /* PLAT_x86_win32 */

/* ------------------------ amd64-{linux,darwin} --------------- */

#if defined(PLAT_amd64_linux)  ||  defined(PLAT_amd64_darwin)

typedef
   struct { 
      unsigned long long int nraddr; /* where's the code? */
   }
   OrigFn;

#define __SPECIAL_INSTRUCTION_PREAMBLE                            \
                     "rolq $3,  %%rdi ; rolq $13, %%rdi\n\t"      \
                     "rolq $61, %%rdi ; rolq $51, %%rdi\n\t"

gejun's avatar
gejun committed
367 368
#define VALGRIND_DO_CLIENT_REQUEST_EXPR(                          \
        _zzq_default, _zzq_request,                               \
gejun's avatar
gejun committed
369
        _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4, _zzq_arg5)    \
gejun's avatar
gejun committed
370 371
    __extension__                                                 \
    ({ volatile unsigned long long int _zzq_args[6];              \
gejun's avatar
gejun committed
372 373 374 375 376 377 378 379 380 381 382 383 384 385
    volatile unsigned long long int _zzq_result;                  \
    _zzq_args[0] = (unsigned long long int)(_zzq_request);        \
    _zzq_args[1] = (unsigned long long int)(_zzq_arg1);           \
    _zzq_args[2] = (unsigned long long int)(_zzq_arg2);           \
    _zzq_args[3] = (unsigned long long int)(_zzq_arg3);           \
    _zzq_args[4] = (unsigned long long int)(_zzq_arg4);           \
    _zzq_args[5] = (unsigned long long int)(_zzq_arg5);           \
    __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* %RDX = client_request ( %RAX ) */         \
                     "xchgq %%rbx,%%rbx"                          \
                     : "=d" (_zzq_result)                         \
                     : "a" (&_zzq_args[0]), "0" (_zzq_default)    \
                     : "cc", "memory"                             \
                    );                                            \
gejun's avatar
gejun committed
386 387
    _zzq_result;                                                  \
    })
gejun's avatar
gejun committed
388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421

#define VALGRIND_GET_NR_CONTEXT(_zzq_rlval)                       \
  { volatile OrigFn* _zzq_orig = &(_zzq_rlval);                   \
    volatile unsigned long long int __addr;                       \
    __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* %RAX = guest_NRADDR */                    \
                     "xchgq %%rcx,%%rcx"                          \
                     : "=a" (__addr)                              \
                     :                                            \
                     : "cc", "memory"                             \
                    );                                            \
    _zzq_orig->nraddr = __addr;                                   \
  }

#define VALGRIND_CALL_NOREDIR_RAX                                 \
                     __SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* call-noredir *%RAX */                     \
                     "xchgq %%rdx,%%rdx\n\t"
#endif /* PLAT_amd64_linux || PLAT_amd64_darwin */

/* ------------------------ ppc32-linux ------------------------ */

#if defined(PLAT_ppc32_linux)

typedef
   struct { 
      unsigned int nraddr; /* where's the code? */
   }
   OrigFn;

#define __SPECIAL_INSTRUCTION_PREAMBLE                            \
                     "rlwinm 0,0,3,0,0  ; rlwinm 0,0,13,0,0\n\t"  \
                     "rlwinm 0,0,29,0,0 ; rlwinm 0,0,19,0,0\n\t"

gejun's avatar
gejun committed
422 423
#define VALGRIND_DO_CLIENT_REQUEST_EXPR(                          \
        _zzq_default, _zzq_request,                               \
gejun's avatar
gejun committed
424 425
        _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4, _zzq_arg5)    \
                                                                  \
gejun's avatar
gejun committed
426 427
    __extension__                                                 \
  ({         unsigned int  _zzq_args[6];                          \
gejun's avatar
gejun committed
428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445
             unsigned int  _zzq_result;                           \
             unsigned int* _zzq_ptr;                              \
    _zzq_args[0] = (unsigned int)(_zzq_request);                  \
    _zzq_args[1] = (unsigned int)(_zzq_arg1);                     \
    _zzq_args[2] = (unsigned int)(_zzq_arg2);                     \
    _zzq_args[3] = (unsigned int)(_zzq_arg3);                     \
    _zzq_args[4] = (unsigned int)(_zzq_arg4);                     \
    _zzq_args[5] = (unsigned int)(_zzq_arg5);                     \
    _zzq_ptr = _zzq_args;                                         \
    __asm__ volatile("mr 3,%1\n\t" /*default*/                    \
                     "mr 4,%2\n\t" /*ptr*/                        \
                     __SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* %R3 = client_request ( %R4 ) */           \
                     "or 1,1,1\n\t"                               \
                     "mr %0,3"     /*result*/                     \
                     : "=b" (_zzq_result)                         \
                     : "b" (_zzq_default), "b" (_zzq_ptr)         \
                     : "cc", "memory", "r3", "r4");               \
gejun's avatar
gejun committed
446 447
    _zzq_result;                                                  \
    })
gejun's avatar
gejun committed
448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483

#define VALGRIND_GET_NR_CONTEXT(_zzq_rlval)                       \
  { volatile OrigFn* _zzq_orig = &(_zzq_rlval);                   \
    unsigned int __addr;                                          \
    __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* %R3 = guest_NRADDR */                     \
                     "or 2,2,2\n\t"                               \
                     "mr %0,3"                                    \
                     : "=b" (__addr)                              \
                     :                                            \
                     : "cc", "memory", "r3"                       \
                    );                                            \
    _zzq_orig->nraddr = __addr;                                   \
  }

#define VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                   \
                     __SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* branch-and-link-to-noredir *%R11 */       \
                     "or 3,3,3\n\t"
#endif /* PLAT_ppc32_linux */

/* ------------------------ ppc64-linux ------------------------ */

#if defined(PLAT_ppc64_linux)

typedef
   struct { 
      unsigned long long int nraddr; /* where's the code? */
      unsigned long long int r2;  /* what tocptr do we need? */
   }
   OrigFn;

#define __SPECIAL_INSTRUCTION_PREAMBLE                            \
                     "rotldi 0,0,3  ; rotldi 0,0,13\n\t"          \
                     "rotldi 0,0,61 ; rotldi 0,0,51\n\t"

gejun's avatar
gejun committed
484 485
#define VALGRIND_DO_CLIENT_REQUEST_EXPR(                          \
        _zzq_default, _zzq_request,                               \
gejun's avatar
gejun committed
486 487
        _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4, _zzq_arg5)    \
                                                                  \
gejun's avatar
gejun committed
488 489 490 491
  __extension__                                                   \
  ({         unsigned long long int  _zzq_args[6];                \
             unsigned long long int  _zzq_result;                 \
             unsigned long long int* _zzq_ptr;                    \
gejun's avatar
gejun committed
492 493 494 495 496 497 498
    _zzq_args[0] = (unsigned long long int)(_zzq_request);        \
    _zzq_args[1] = (unsigned long long int)(_zzq_arg1);           \
    _zzq_args[2] = (unsigned long long int)(_zzq_arg2);           \
    _zzq_args[3] = (unsigned long long int)(_zzq_arg3);           \
    _zzq_args[4] = (unsigned long long int)(_zzq_arg4);           \
    _zzq_args[5] = (unsigned long long int)(_zzq_arg5);           \
    _zzq_ptr = _zzq_args;                                         \
gejun's avatar
gejun committed
499 500 501
    __asm__ volatile("mr 3,%1\n\t" /*default*/                    \
                     "mr 4,%2\n\t" /*ptr*/                        \
                     __SPECIAL_INSTRUCTION_PREAMBLE               \
gejun's avatar
gejun committed
502
                     /* %R3 = client_request ( %R4 ) */           \
gejun's avatar
gejun committed
503 504 505 506 507 508 509
                     "or 1,1,1\n\t"                               \
                     "mr %0,3"     /*result*/                     \
                     : "=b" (_zzq_result)                         \
                     : "b" (_zzq_default), "b" (_zzq_ptr)         \
                     : "cc", "memory", "r3", "r4");               \
    _zzq_result;                                                  \
  })
gejun's avatar
gejun committed
510 511 512

#define VALGRIND_GET_NR_CONTEXT(_zzq_rlval)                       \
  { volatile OrigFn* _zzq_orig = &(_zzq_rlval);                   \
gejun's avatar
gejun committed
513
    unsigned long long int __addr;                                \
gejun's avatar
gejun committed
514 515
    __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* %R3 = guest_NRADDR */                     \
gejun's avatar
gejun committed
516 517 518
                     "or 2,2,2\n\t"                               \
                     "mr %0,3"                                    \
                     : "=b" (__addr)                              \
gejun's avatar
gejun committed
519
                     :                                            \
gejun's avatar
gejun committed
520
                     : "cc", "memory", "r3"                       \
gejun's avatar
gejun committed
521 522 523 524
                    );                                            \
    _zzq_orig->nraddr = __addr;                                   \
    __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* %R3 = guest_NRADDR_GPR2 */                \
gejun's avatar
gejun committed
525 526 527
                     "or 4,4,4\n\t"                               \
                     "mr %0,3"                                    \
                     : "=b" (__addr)                              \
gejun's avatar
gejun committed
528
                     :                                            \
gejun's avatar
gejun committed
529
                     : "cc", "memory", "r3"                       \
gejun's avatar
gejun committed
530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554
                    );                                            \
    _zzq_orig->r2 = __addr;                                       \
  }

#define VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                   \
                     __SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* branch-and-link-to-noredir *%R11 */       \
                     "or 3,3,3\n\t"

#endif /* PLAT_ppc64_linux */

/* ------------------------- arm-linux ------------------------- */

#if defined(PLAT_arm_linux)

typedef
   struct { 
      unsigned int nraddr; /* where's the code? */
   }
   OrigFn;

#define __SPECIAL_INSTRUCTION_PREAMBLE                            \
            "mov r12, r12, ror #3  ; mov r12, r12, ror #13 \n\t"  \
            "mov r12, r12, ror #29 ; mov r12, r12, ror #19 \n\t"

gejun's avatar
gejun committed
555 556
#define VALGRIND_DO_CLIENT_REQUEST_EXPR(                          \
        _zzq_default, _zzq_request,                               \
gejun's avatar
gejun committed
557 558
        _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4, _zzq_arg5)    \
                                                                  \
gejun's avatar
gejun committed
559 560
  __extension__                                                   \
  ({volatile unsigned int  _zzq_args[6];                          \
gejun's avatar
gejun committed
561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576
    volatile unsigned int  _zzq_result;                           \
    _zzq_args[0] = (unsigned int)(_zzq_request);                  \
    _zzq_args[1] = (unsigned int)(_zzq_arg1);                     \
    _zzq_args[2] = (unsigned int)(_zzq_arg2);                     \
    _zzq_args[3] = (unsigned int)(_zzq_arg3);                     \
    _zzq_args[4] = (unsigned int)(_zzq_arg4);                     \
    _zzq_args[5] = (unsigned int)(_zzq_arg5);                     \
    __asm__ volatile("mov r3, %1\n\t" /*default*/                 \
                     "mov r4, %2\n\t" /*ptr*/                     \
                     __SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* R3 = client_request ( R4 ) */             \
                     "orr r10, r10, r10\n\t"                      \
                     "mov %0, r3"     /*result*/                  \
                     : "=r" (_zzq_result)                         \
                     : "r" (_zzq_default), "r" (&_zzq_args[0])    \
                     : "cc","memory", "r3", "r4");                \
gejun's avatar
gejun committed
577 578
    _zzq_result;                                                  \
  })
gejun's avatar
gejun committed
579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600

#define VALGRIND_GET_NR_CONTEXT(_zzq_rlval)                       \
  { volatile OrigFn* _zzq_orig = &(_zzq_rlval);                   \
    unsigned int __addr;                                          \
    __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* R3 = guest_NRADDR */                      \
                     "orr r11, r11, r11\n\t"                      \
                     "mov %0, r3"                                 \
                     : "=r" (__addr)                              \
                     :                                            \
                     : "cc", "memory", "r3"                       \
                    );                                            \
    _zzq_orig->nraddr = __addr;                                   \
  }

#define VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                    \
                     __SPECIAL_INSTRUCTION_PREAMBLE               \
                     /* branch-and-link-to-noredir *%R4 */        \
                     "orr r12, r12, r12\n\t"

#endif /* PLAT_arm_linux */

gejun's avatar
gejun committed
601 602 603 604 605 606 607 608 609
/* ------------------------ s390x-linux ------------------------ */

#if defined(PLAT_s390x_linux)

typedef
  struct {
     unsigned long long int nraddr; /* where's the code? */
  }
  OrigFn;
gejun's avatar
gejun committed
610

gejun's avatar
gejun committed
611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673
/* __SPECIAL_INSTRUCTION_PREAMBLE will be used to identify Valgrind specific
 * code. This detection is implemented in platform specific toIR.c
 * (e.g. VEX/priv/guest_s390_decoder.c).
 */
#define __SPECIAL_INSTRUCTION_PREAMBLE                           \
                     "lr 15,15\n\t"                              \
                     "lr 1,1\n\t"                                \
                     "lr 2,2\n\t"                                \
                     "lr 3,3\n\t"

#define __CLIENT_REQUEST_CODE "lr 2,2\n\t"
#define __GET_NR_CONTEXT_CODE "lr 3,3\n\t"
#define __CALL_NO_REDIR_CODE  "lr 4,4\n\t"

#define VALGRIND_DO_CLIENT_REQUEST_EXPR(                         \
       _zzq_default, _zzq_request,                               \
       _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4, _zzq_arg5)    \
  __extension__                                                  \
 ({volatile unsigned long long int _zzq_args[6];                 \
   volatile unsigned long long int _zzq_result;                  \
   _zzq_args[0] = (unsigned long long int)(_zzq_request);        \
   _zzq_args[1] = (unsigned long long int)(_zzq_arg1);           \
   _zzq_args[2] = (unsigned long long int)(_zzq_arg2);           \
   _zzq_args[3] = (unsigned long long int)(_zzq_arg3);           \
   _zzq_args[4] = (unsigned long long int)(_zzq_arg4);           \
   _zzq_args[5] = (unsigned long long int)(_zzq_arg5);           \
   __asm__ volatile(/* r2 = args */                              \
                    "lgr 2,%1\n\t"                               \
                    /* r3 = default */                           \
                    "lgr 3,%2\n\t"                               \
                    __SPECIAL_INSTRUCTION_PREAMBLE               \
                    __CLIENT_REQUEST_CODE                        \
                    /* results = r3 */                           \
                    "lgr %0, 3\n\t"                              \
                    : "=d" (_zzq_result)                         \
                    : "a" (&_zzq_args[0]), "0" (_zzq_default)    \
                    : "cc", "2", "3", "memory"                   \
                   );                                            \
   _zzq_result;                                                  \
 })

#define VALGRIND_GET_NR_CONTEXT(_zzq_rlval)                      \
 { volatile OrigFn* _zzq_orig = &(_zzq_rlval);                   \
   volatile unsigned long long int __addr;                       \
   __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
                    __GET_NR_CONTEXT_CODE                        \
                    "lgr %0, 3\n\t"                              \
                    : "=a" (__addr)                              \
                    :                                            \
                    : "cc", "3", "memory"                        \
                   );                                            \
   _zzq_orig->nraddr = __addr;                                   \
 }

#define VALGRIND_CALL_NOREDIR_R1                                 \
                    __SPECIAL_INSTRUCTION_PREAMBLE               \
                    __CALL_NO_REDIR_CODE

#endif /* PLAT_s390x_linux */

/* ------------------------- mips32-linux ---------------- */

#if defined(PLAT_mips32_linux)
gejun's avatar
gejun committed
674 675 676 677 678 679 680

typedef
   struct { 
      unsigned int nraddr; /* where's the code? */
   }
   OrigFn;

gejun's avatar
gejun committed
681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696
/* .word  0x342
 * .word  0x742
 * .word  0xC2
 * .word  0x4C2*/
#define __SPECIAL_INSTRUCTION_PREAMBLE          \
                     "srl $0, $0, 13\n\t"       \
                     "srl $0, $0, 29\n\t"       \
                     "srl $0, $0, 3\n\t"        \
                     "srl $0, $0, 19\n\t"
                    
#define VALGRIND_DO_CLIENT_REQUEST_EXPR(                          \
       _zzq_default, _zzq_request,                                \
       _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4, _zzq_arg5)     \
  __extension__                                                   \
  ({ volatile unsigned int _zzq_args[6];                          \
    volatile unsigned int _zzq_result;                            \
gejun's avatar
gejun committed
697 698 699 700 701 702
    _zzq_args[0] = (unsigned int)(_zzq_request);                  \
    _zzq_args[1] = (unsigned int)(_zzq_arg1);                     \
    _zzq_args[2] = (unsigned int)(_zzq_arg2);                     \
    _zzq_args[3] = (unsigned int)(_zzq_arg3);                     \
    _zzq_args[4] = (unsigned int)(_zzq_arg4);                     \
    _zzq_args[5] = (unsigned int)(_zzq_arg5);                     \
gejun's avatar
gejun committed
703 704
        __asm__ volatile("move $11, %1\n\t" /*default*/           \
                     "move $12, %2\n\t" /*ptr*/                   \
gejun's avatar
gejun committed
705
                     __SPECIAL_INSTRUCTION_PREAMBLE               \
gejun's avatar
gejun committed
706 707 708 709 710 711 712 713
                     /* T3 = client_request ( T4 ) */             \
                     "or $13, $13, $13\n\t"                       \
                     "move %0, $11\n\t"     /*result*/            \
                     : "=r" (_zzq_result)                         \
                     : "r" (_zzq_default), "r" (&_zzq_args[0])    \
                     : "cc","memory", "t3", "t4");                \
    _zzq_result;                                                  \
  })
gejun's avatar
gejun committed
714 715 716

#define VALGRIND_GET_NR_CONTEXT(_zzq_rlval)                       \
  { volatile OrigFn* _zzq_orig = &(_zzq_rlval);                   \
gejun's avatar
gejun committed
717
    volatile unsigned int __addr;                                 \
gejun's avatar
gejun committed
718
    __asm__ volatile(__SPECIAL_INSTRUCTION_PREAMBLE               \
gejun's avatar
gejun committed
719 720 721 722
                     /* %t9 = guest_NRADDR */                     \
                     "or $14, $14, $14\n\t"                       \
                     "move %0, $11"     /*result*/                \
                     : "=r" (__addr)                              \
gejun's avatar
gejun committed
723
                     :                                            \
gejun's avatar
gejun committed
724
                     : "cc", "memory" , "t3"                      \
gejun's avatar
gejun committed
725 726 727 728
                    );                                            \
    _zzq_orig->nraddr = __addr;                                   \
  }

gejun's avatar
gejun committed
729 730 731 732 733
#define VALGRIND_CALL_NOREDIR_T9                                 \
                     __SPECIAL_INSTRUCTION_PREAMBLE              \
                     /* call-noredir *%t9 */                     \
                     "or $15, $15, $15\n\t"                                             
#endif /* PLAT_mips32_linux */
gejun's avatar
gejun committed
734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763

/* Insert assembly code for other platforms here... */

#endif /* NVALGRIND */


/* ------------------------------------------------------------------ */
/* PLATFORM SPECIFICS for FUNCTION WRAPPING.  This is all very        */
/* ugly.  It's the least-worst tradeoff I can think of.               */
/* ------------------------------------------------------------------ */

/* This section defines magic (a.k.a appalling-hack) macros for doing
   guaranteed-no-redirection macros, so as to get from function
   wrappers to the functions they are wrapping.  The whole point is to
   construct standard call sequences, but to do the call itself with a
   special no-redirect call pseudo-instruction that the JIT
   understands and handles specially.  This section is long and
   repetitious, and I can't see a way to make it shorter.

   The naming scheme is as follows:

      CALL_FN_{W,v}_{v,W,WW,WWW,WWWW,5W,6W,7W,etc}

   'W' stands for "word" and 'v' for "void".  Hence there are
   different macros for calling arity 0, 1, 2, 3, 4, etc, functions,
   and for each, the possibility of returning a word-typed result, or
   no result.
*/

/* Use these to write the name of your wrapper.  NOTE: duplicates
gejun's avatar
gejun committed
764 765 766 767
   VG_WRAP_FUNCTION_Z{U,Z} in pub_tool_redir.h.  NOTE also: inserts
   the default behaviour equivalance class tag "0000" into the name.
   See pub_tool_redir.h for details -- normally you don't need to
   think about this, though. */
gejun's avatar
gejun committed
768 769 770 771 772 773

/* Use an extra level of macroisation so as to ensure the soname/fnname
   args are fully macro-expanded before pasting them together. */
#define VG_CONCAT4(_aa,_bb,_cc,_dd) _aa##_bb##_cc##_dd

#define I_WRAP_SONAME_FNNAME_ZU(soname,fnname)                    \
gejun's avatar
gejun committed
774
   VG_CONCAT4(_vgw00000ZU_,soname,_,fnname)
gejun's avatar
gejun committed
775 776

#define I_WRAP_SONAME_FNNAME_ZZ(soname,fnname)                    \
gejun's avatar
gejun committed
777
   VG_CONCAT4(_vgw00000ZZ_,soname,_,fnname)
gejun's avatar
gejun committed
778 779 780 781 782 783 784

/* Use this macro from within a wrapper function to collect the
   context (address and possibly other info) of the original function.
   Once you have that you can then use it in one of the CALL_FN_
   macros.  The type of the argument _lval is OrigFn. */
#define VALGRIND_GET_ORIG_FN(_lval)  VALGRIND_GET_NR_CONTEXT(_lval)

gejun's avatar
gejun committed
785 786 787 788 789 790 791 792 793 794 795 796
/* Also provide end-user facilities for function replacement, rather
   than wrapping.  A replacement function differs from a wrapper in
   that it has no way to get hold of the original function being
   called, and hence no way to call onwards to it.  In a replacement
   function, VALGRIND_GET_ORIG_FN always returns zero. */

#define I_REPLACE_SONAME_FNNAME_ZU(soname,fnname)                 \
   VG_CONCAT4(_vgr00000ZU_,soname,_,fnname)

#define I_REPLACE_SONAME_FNNAME_ZZ(soname,fnname)                 \
   VG_CONCAT4(_vgr00000ZZ_,soname,_,fnname)

gejun's avatar
gejun committed
797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839
/* Derivatives of the main macros below, for calling functions
   returning void. */

#define CALL_FN_v_v(fnptr)                                        \
   do { volatile unsigned long _junk;                             \
        CALL_FN_W_v(_junk,fnptr); } while (0)

#define CALL_FN_v_W(fnptr, arg1)                                  \
   do { volatile unsigned long _junk;                             \
        CALL_FN_W_W(_junk,fnptr,arg1); } while (0)

#define CALL_FN_v_WW(fnptr, arg1,arg2)                            \
   do { volatile unsigned long _junk;                             \
        CALL_FN_W_WW(_junk,fnptr,arg1,arg2); } while (0)

#define CALL_FN_v_WWW(fnptr, arg1,arg2,arg3)                      \
   do { volatile unsigned long _junk;                             \
        CALL_FN_W_WWW(_junk,fnptr,arg1,arg2,arg3); } while (0)

#define CALL_FN_v_WWWW(fnptr, arg1,arg2,arg3,arg4)                \
   do { volatile unsigned long _junk;                             \
        CALL_FN_W_WWWW(_junk,fnptr,arg1,arg2,arg3,arg4); } while (0)

#define CALL_FN_v_5W(fnptr, arg1,arg2,arg3,arg4,arg5)             \
   do { volatile unsigned long _junk;                             \
        CALL_FN_W_5W(_junk,fnptr,arg1,arg2,arg3,arg4,arg5); } while (0)

#define CALL_FN_v_6W(fnptr, arg1,arg2,arg3,arg4,arg5,arg6)        \
   do { volatile unsigned long _junk;                             \
        CALL_FN_W_6W(_junk,fnptr,arg1,arg2,arg3,arg4,arg5,arg6); } while (0)

#define CALL_FN_v_7W(fnptr, arg1,arg2,arg3,arg4,arg5,arg6,arg7)   \
   do { volatile unsigned long _junk;                             \
        CALL_FN_W_7W(_junk,fnptr,arg1,arg2,arg3,arg4,arg5,arg6,arg7); } while (0)

/* ------------------------- x86-{linux,darwin} ---------------- */

#if defined(PLAT_x86_linux)  ||  defined(PLAT_x86_darwin)

/* These regs are trashed by the hidden call.  No need to mention eax
   as gcc can already see that, plus causes gcc to bomb. */
#define __CALLER_SAVED_REGS /*"eax"*/ "ecx", "edx"

gejun's avatar
gejun committed
840 841 842 843 844 845 846 847 848 849 850
/* Macros to save and align the stack before making a function
   call and restore it afterwards as gcc may not keep the stack
   pointer aligned if it doesn't realise calls are being made
   to other functions. */

#define VALGRIND_ALIGN_STACK               \
      "movl %%esp,%%edi\n\t"               \
      "andl $0xfffffff0,%%esp\n\t"
#define VALGRIND_RESTORE_STACK             \
      "movl %%edi,%%esp\n\t"

gejun's avatar
gejun committed
851 852 853 854 855 856 857 858 859 860
/* These CALL_FN_ macros assume that on x86-linux, sizeof(unsigned
   long) == 4. */

#define CALL_FN_W_v(lval, orig)                                   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[1];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
861
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
862 863
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
864
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
865 866
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
867
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
868 869 870 871 872 873 874 875 876 877 878 879
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_W(lval, orig, arg1)                             \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[2];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
880
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
881 882 883 884
         "subl $12, %%esp\n\t"                                    \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
885
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
886 887
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
888
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
889 890 891 892 893 894 895 896 897 898 899 900 901
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WW(lval, orig, arg1,arg2)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[3];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
902
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
903 904 905 906 907
         "subl $8, %%esp\n\t"                                     \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
908
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
909 910
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
911
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
912 913 914 915 916 917 918 919 920 921 922 923 924 925
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WWW(lval, orig, arg1,arg2,arg3)                 \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[4];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
926
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
927 928 929 930 931 932
         "subl $4, %%esp\n\t"                                     \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
933
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
934 935
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
936
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
937 938 939 940 941 942 943 944 945 946 947 948 949 950 951
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WWWW(lval, orig, arg1,arg2,arg3,arg4)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[5];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
952
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
953 954 955 956 957 958
         "pushl 16(%%eax)\n\t"                                    \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
959
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
960 961
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
962
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_5W(lval, orig, arg1,arg2,arg3,arg4,arg5)        \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[6];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
979
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
980 981 982 983 984 985 986 987
         "subl $12, %%esp\n\t"                                    \
         "pushl 20(%%eax)\n\t"                                    \
         "pushl 16(%%eax)\n\t"                                    \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
988
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
989 990
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
991
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_6W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6)   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[7];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1009
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
1010 1011 1012 1013 1014 1015 1016 1017 1018
         "subl $8, %%esp\n\t"                                     \
         "pushl 24(%%eax)\n\t"                                    \
         "pushl 20(%%eax)\n\t"                                    \
         "pushl 16(%%eax)\n\t"                                    \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
1019
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
1020 1021
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
1022
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_7W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7)                            \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[8];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1042
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
1043 1044 1045 1046 1047 1048 1049 1050 1051 1052
         "subl $4, %%esp\n\t"                                     \
         "pushl 28(%%eax)\n\t"                                    \
         "pushl 24(%%eax)\n\t"                                    \
         "pushl 20(%%eax)\n\t"                                    \
         "pushl 16(%%eax)\n\t"                                    \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
1053
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
1054 1055
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
1056
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_8W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[9];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1077
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
1078 1079 1080 1081 1082 1083 1084 1085 1086 1087
         "pushl 32(%%eax)\n\t"                                    \
         "pushl 28(%%eax)\n\t"                                    \
         "pushl 24(%%eax)\n\t"                                    \
         "pushl 20(%%eax)\n\t"                                    \
         "pushl 16(%%eax)\n\t"                                    \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
1088
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
1089 1090
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
1091
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_9W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8,arg9)                  \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[10];                         \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1113
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125
         "subl $12, %%esp\n\t"                                    \
         "pushl 36(%%eax)\n\t"                                    \
         "pushl 32(%%eax)\n\t"                                    \
         "pushl 28(%%eax)\n\t"                                    \
         "pushl 24(%%eax)\n\t"                                    \
         "pushl 20(%%eax)\n\t"                                    \
         "pushl 16(%%eax)\n\t"                                    \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
1126
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
1127 1128
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
1129
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_10W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,  \
                                  arg7,arg8,arg9,arg10)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[11];                         \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      _argvec[10] = (unsigned long)(arg10);                       \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1152
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165
         "subl $8, %%esp\n\t"                                     \
         "pushl 40(%%eax)\n\t"                                    \
         "pushl 36(%%eax)\n\t"                                    \
         "pushl 32(%%eax)\n\t"                                    \
         "pushl 28(%%eax)\n\t"                                    \
         "pushl 24(%%eax)\n\t"                                    \
         "pushl 20(%%eax)\n\t"                                    \
         "pushl 16(%%eax)\n\t"                                    \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
1166
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
1167 1168
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
1169
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_11W(lval, orig, arg1,arg2,arg3,arg4,arg5,       \
                                  arg6,arg7,arg8,arg9,arg10,      \
                                  arg11)                          \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[12];                         \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      _argvec[10] = (unsigned long)(arg10);                       \
      _argvec[11] = (unsigned long)(arg11);                       \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1194
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208
         "subl $4, %%esp\n\t"                                     \
         "pushl 44(%%eax)\n\t"                                    \
         "pushl 40(%%eax)\n\t"                                    \
         "pushl 36(%%eax)\n\t"                                    \
         "pushl 32(%%eax)\n\t"                                    \
         "pushl 28(%%eax)\n\t"                                    \
         "pushl 24(%%eax)\n\t"                                    \
         "pushl 20(%%eax)\n\t"                                    \
         "pushl 16(%%eax)\n\t"                                    \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
1209
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
1210 1211
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
1212
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_12W(lval, orig, arg1,arg2,arg3,arg4,arg5,       \
                                  arg6,arg7,arg8,arg9,arg10,      \
                                  arg11,arg12)                    \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[13];                         \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      _argvec[10] = (unsigned long)(arg10);                       \
      _argvec[11] = (unsigned long)(arg11);                       \
      _argvec[12] = (unsigned long)(arg12);                       \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1238
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252
         "pushl 48(%%eax)\n\t"                                    \
         "pushl 44(%%eax)\n\t"                                    \
         "pushl 40(%%eax)\n\t"                                    \
         "pushl 36(%%eax)\n\t"                                    \
         "pushl 32(%%eax)\n\t"                                    \
         "pushl 28(%%eax)\n\t"                                    \
         "pushl 24(%%eax)\n\t"                                    \
         "pushl 20(%%eax)\n\t"                                    \
         "pushl 16(%%eax)\n\t"                                    \
         "pushl 12(%%eax)\n\t"                                    \
         "pushl 8(%%eax)\n\t"                                     \
         "pushl 4(%%eax)\n\t"                                     \
         "movl (%%eax), %%eax\n\t"  /* target->%eax */            \
         VALGRIND_CALL_NOREDIR_EAX                                \
gejun's avatar
gejun committed
1253
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
1254 1255
         : /*out*/   "=a" (_res)                                  \
         : /*in*/    "a" (&_argvec[0])                            \
gejun's avatar
gejun committed
1256
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "edi"   \
gejun's avatar
gejun committed
1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#endif /* PLAT_x86_linux || PLAT_x86_darwin */

/* ------------------------ amd64-{linux,darwin} --------------- */

#if defined(PLAT_amd64_linux)  ||  defined(PLAT_amd64_darwin)

/* ARGREGS: rdi rsi rdx rcx r8 r9 (the rest on stack in R-to-L order) */

/* These regs are trashed by the hidden call. */
#define __CALLER_SAVED_REGS /*"rax",*/ "rcx", "rdx", "rsi",       \
                            "rdi", "r8", "r9", "r10", "r11"

/* This is all pretty complex.  It's so as to make stack unwinding
   work reliably.  See bug 243270.  The basic problem is the sub and
   add of 128 of %rsp in all of the following macros.  If gcc believes
   the CFA is in %rsp, then unwinding may fail, because what's at the
   CFA is not what gcc "expected" when it constructs the CFIs for the
   places where the macros are instantiated.

   But we can't just add a CFI annotation to increase the CFA offset
   by 128, to match the sub of 128 from %rsp, because we don't know
   whether gcc has chosen %rsp as the CFA at that point, or whether it
   has chosen some other register (eg, %rbp).  In the latter case,
   adding a CFI annotation to change the CFA offset is simply wrong.

   So the solution is to get hold of the CFA using
   __builtin_dwarf_cfa(), put it in a known register, and add a
   CFI annotation to say what the register is.  We choose %rbp for
   this (perhaps perversely), because:

   (1) %rbp is already subject to unwinding.  If a new register was
       chosen then the unwinder would have to unwind it in all stack
       traces, which is expensive, and

   (2) %rbp is already subject to precise exception updates in the
       JIT.  If a new register was chosen, we'd have to have precise
       exceptions for it too, which reduces performance of the
       generated code.

   However .. one extra complication.  We can't just whack the result
   of __builtin_dwarf_cfa() into %rbp and then add %rbp to the
   list of trashed registers at the end of the inline assembly
   fragments; gcc won't allow %rbp to appear in that list.  Hence
   instead we need to stash %rbp in %r15 for the duration of the asm,
   and say that %r15 is trashed instead.  gcc seems happy to go with
   that.

   Oh .. and this all needs to be conditionalised so that it is
   unchanged from before this commit, when compiled with older gccs
   that don't support __builtin_dwarf_cfa.  Furthermore, since
   this header file is freestanding, it has to be independent of
   config.h, and so the following conditionalisation cannot depend on
   configure time checks.

   Although it's not clear from
   'defined(__GNUC__) && defined(__GCC_HAVE_DWARF2_CFI_ASM)',
   this expression excludes Darwin.
   .cfi directives in Darwin assembly appear to be completely
   different and I haven't investigated how they work.

   For even more entertainment value, note we have to use the
   completely undocumented __builtin_dwarf_cfa(), which appears to
   really compute the CFA, whereas __builtin_frame_address(0) claims
   to but actually doesn't.  See
   https://bugs.kde.org/show_bug.cgi?id=243270#c47
*/
#if defined(__GNUC__) && defined(__GCC_HAVE_DWARF2_CFI_ASM)
#  define __FRAME_POINTER                                         \
      ,"r"(__builtin_dwarf_cfa())
#  define VALGRIND_CFI_PROLOGUE                                   \
      "movq %%rbp, %%r15\n\t"                                     \
      "movq %2, %%rbp\n\t"                                        \
      ".cfi_remember_state\n\t"                                   \
      ".cfi_def_cfa rbp, 0\n\t"
#  define VALGRIND_CFI_EPILOGUE                                   \
      "movq %%r15, %%rbp\n\t"                                     \
      ".cfi_restore_state\n\t"
#else
#  define __FRAME_POINTER
#  define VALGRIND_CFI_PROLOGUE
#  define VALGRIND_CFI_EPILOGUE
#endif

gejun's avatar
gejun committed
1344 1345 1346 1347 1348 1349 1350 1351 1352 1353
/* Macros to save and align the stack before making a function
   call and restore it afterwards as gcc may not keep the stack
   pointer aligned if it doesn't realise calls are being made
   to other functions. */

#define VALGRIND_ALIGN_STACK               \
      "movq %%rsp,%%r14\n\t"               \
      "andq $0xfffffffffffffff0,%%rsp\n\t"
#define VALGRIND_RESTORE_STACK             \
      "movq %%r14,%%rsp\n\t"
gejun's avatar
gejun committed
1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373

/* These CALL_FN_ macros assume that on amd64-linux, sizeof(unsigned
   long) == 8. */

/* NB 9 Sept 07.  There is a nasty kludge here in all these CALL_FN_
   macros.  In order not to trash the stack redzone, we need to drop
   %rsp by 128 before the hidden call, and restore afterwards.  The
   nastyness is that it is only by luck that the stack still appears
   to be unwindable during the hidden call - since then the behaviour
   of any routine using this macro does not match what the CFI data
   says.  Sigh.

   Why is this important?  Imagine that a wrapper has a stack
   allocated local, and passes to the hidden call, a pointer to it.
   Because gcc does not know about the hidden call, it may allocate
   that local in the redzone.  Unfortunately the hidden call may then
   trash it before it comes to use it.  So we must step clear of the
   redzone, for the duration of the hidden call, to make it safe.

   Probably the same problem afflicts the other redzone-style ABIs too
gejun's avatar
gejun committed
1374
   (ppc64-linux); but for those, the stack is
gejun's avatar
gejun committed
1375 1376 1377 1378
   self describing (none of this CFI nonsense) so at least messing
   with the stack pointer doesn't give a danger of non-unwindable
   stack. */

gejun's avatar
gejun committed
1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863
#define CALL_FN_W_v(lval, orig)                                        \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[1];                               \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_W(lval, orig, arg1)                                  \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[2];                               \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_WW(lval, orig, arg1,arg2)                            \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[3];                               \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_WWW(lval, orig, arg1,arg2,arg3)                      \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[4];                               \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_WWWW(lval, orig, arg1,arg2,arg3,arg4)                \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[5];                               \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      _argvec[4] = (unsigned long)(arg4);                              \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "movq 32(%%rax), %%rcx\n\t"                                   \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_5W(lval, orig, arg1,arg2,arg3,arg4,arg5)             \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[6];                               \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      _argvec[4] = (unsigned long)(arg4);                              \
      _argvec[5] = (unsigned long)(arg5);                              \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "movq 40(%%rax), %%r8\n\t"                                    \
         "movq 32(%%rax), %%rcx\n\t"                                   \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_6W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6)        \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[7];                               \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      _argvec[4] = (unsigned long)(arg4);                              \
      _argvec[5] = (unsigned long)(arg5);                              \
      _argvec[6] = (unsigned long)(arg6);                              \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "movq 48(%%rax), %%r9\n\t"                                    \
         "movq 40(%%rax), %%r8\n\t"                                    \
         "movq 32(%%rax), %%rcx\n\t"                                   \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_7W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,        \
                                 arg7)                                 \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[8];                               \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      _argvec[4] = (unsigned long)(arg4);                              \
      _argvec[5] = (unsigned long)(arg5);                              \
      _argvec[6] = (unsigned long)(arg6);                              \
      _argvec[7] = (unsigned long)(arg7);                              \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $136,%%rsp\n\t"                                         \
         "pushq 56(%%rax)\n\t"                                         \
         "movq 48(%%rax), %%r9\n\t"                                    \
         "movq 40(%%rax), %%r8\n\t"                                    \
         "movq 32(%%rax), %%rcx\n\t"                                   \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_8W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,        \
                                 arg7,arg8)                            \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[9];                               \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      _argvec[4] = (unsigned long)(arg4);                              \
      _argvec[5] = (unsigned long)(arg5);                              \
      _argvec[6] = (unsigned long)(arg6);                              \
      _argvec[7] = (unsigned long)(arg7);                              \
      _argvec[8] = (unsigned long)(arg8);                              \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "pushq 64(%%rax)\n\t"                                         \
         "pushq 56(%%rax)\n\t"                                         \
         "movq 48(%%rax), %%r9\n\t"                                    \
         "movq 40(%%rax), %%r8\n\t"                                    \
         "movq 32(%%rax), %%rcx\n\t"                                   \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_9W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,        \
                                 arg7,arg8,arg9)                       \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[10];                              \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      _argvec[4] = (unsigned long)(arg4);                              \
      _argvec[5] = (unsigned long)(arg5);                              \
      _argvec[6] = (unsigned long)(arg6);                              \
      _argvec[7] = (unsigned long)(arg7);                              \
      _argvec[8] = (unsigned long)(arg8);                              \
      _argvec[9] = (unsigned long)(arg9);                              \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $136,%%rsp\n\t"                                         \
         "pushq 72(%%rax)\n\t"                                         \
         "pushq 64(%%rax)\n\t"                                         \
         "pushq 56(%%rax)\n\t"                                         \
         "movq 48(%%rax), %%r9\n\t"                                    \
         "movq 40(%%rax), %%r8\n\t"                                    \
         "movq 32(%%rax), %%rcx\n\t"                                   \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_10W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,       \
                                  arg7,arg8,arg9,arg10)                \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[11];                              \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      _argvec[4] = (unsigned long)(arg4);                              \
      _argvec[5] = (unsigned long)(arg5);                              \
      _argvec[6] = (unsigned long)(arg6);                              \
      _argvec[7] = (unsigned long)(arg7);                              \
      _argvec[8] = (unsigned long)(arg8);                              \
      _argvec[9] = (unsigned long)(arg9);                              \
      _argvec[10] = (unsigned long)(arg10);                            \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "pushq 80(%%rax)\n\t"                                         \
         "pushq 72(%%rax)\n\t"                                         \
         "pushq 64(%%rax)\n\t"                                         \
         "pushq 56(%%rax)\n\t"                                         \
         "movq 48(%%rax), %%r9\n\t"                                    \
         "movq 40(%%rax), %%r8\n\t"                                    \
         "movq 32(%%rax), %%rcx\n\t"                                   \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_11W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,       \
                                  arg7,arg8,arg9,arg10,arg11)          \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[12];                              \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      _argvec[4] = (unsigned long)(arg4);                              \
      _argvec[5] = (unsigned long)(arg5);                              \
      _argvec[6] = (unsigned long)(arg6);                              \
      _argvec[7] = (unsigned long)(arg7);                              \
      _argvec[8] = (unsigned long)(arg8);                              \
      _argvec[9] = (unsigned long)(arg9);                              \
      _argvec[10] = (unsigned long)(arg10);                            \
      _argvec[11] = (unsigned long)(arg11);                            \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $136,%%rsp\n\t"                                         \
         "pushq 88(%%rax)\n\t"                                         \
         "pushq 80(%%rax)\n\t"                                         \
         "pushq 72(%%rax)\n\t"                                         \
         "pushq 64(%%rax)\n\t"                                         \
         "pushq 56(%%rax)\n\t"                                         \
         "movq 48(%%rax), %%r9\n\t"                                    \
         "movq 40(%%rax), %%r8\n\t"                                    \
         "movq 32(%%rax), %%rcx\n\t"                                   \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#define CALL_FN_W_12W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,       \
                                arg7,arg8,arg9,arg10,arg11,arg12)      \
   do {                                                                \
      volatile OrigFn        _orig = (orig);                           \
      volatile unsigned long _argvec[13];                              \
      volatile unsigned long _res;                                     \
      _argvec[0] = (unsigned long)_orig.nraddr;                        \
      _argvec[1] = (unsigned long)(arg1);                              \
      _argvec[2] = (unsigned long)(arg2);                              \
      _argvec[3] = (unsigned long)(arg3);                              \
      _argvec[4] = (unsigned long)(arg4);                              \
      _argvec[5] = (unsigned long)(arg5);                              \
      _argvec[6] = (unsigned long)(arg6);                              \
      _argvec[7] = (unsigned long)(arg7);                              \
      _argvec[8] = (unsigned long)(arg8);                              \
      _argvec[9] = (unsigned long)(arg9);                              \
      _argvec[10] = (unsigned long)(arg10);                            \
      _argvec[11] = (unsigned long)(arg11);                            \
      _argvec[12] = (unsigned long)(arg12);                            \
      __asm__ volatile(                                                \
         VALGRIND_CFI_PROLOGUE                                         \
         VALGRIND_ALIGN_STACK                                          \
         "subq $128,%%rsp\n\t"                                         \
         "pushq 96(%%rax)\n\t"                                         \
         "pushq 88(%%rax)\n\t"                                         \
         "pushq 80(%%rax)\n\t"                                         \
         "pushq 72(%%rax)\n\t"                                         \
         "pushq 64(%%rax)\n\t"                                         \
         "pushq 56(%%rax)\n\t"                                         \
         "movq 48(%%rax), %%r9\n\t"                                    \
         "movq 40(%%rax), %%r8\n\t"                                    \
         "movq 32(%%rax), %%rcx\n\t"                                   \
         "movq 24(%%rax), %%rdx\n\t"                                   \
         "movq 16(%%rax), %%rsi\n\t"                                   \
         "movq 8(%%rax), %%rdi\n\t"                                    \
         "movq (%%rax), %%rax\n\t"  /* target->%rax */                 \
         VALGRIND_CALL_NOREDIR_RAX                                     \
         VALGRIND_RESTORE_STACK                                        \
         VALGRIND_CFI_EPILOGUE                                         \
         : /*out*/   "=a" (_res)                                       \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER                 \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r14", "r15" \
      );                                                               \
      lval = (__typeof__(lval)) _res;                                  \
   } while (0)

#endif /* PLAT_amd64_linux || PLAT_amd64_darwin */

/* ------------------------ ppc32-linux ------------------------ */

#if defined(PLAT_ppc32_linux)

/* This is useful for finding out about the on-stack stuff:

   extern int f9  ( int,int,int,int,int,int,int,int,int );
   extern int f10 ( int,int,int,int,int,int,int,int,int,int );
   extern int f11 ( int,int,int,int,int,int,int,int,int,int,int );
   extern int f12 ( int,int,int,int,int,int,int,int,int,int,int,int );

   int g9 ( void ) {
      return f9(11,22,33,44,55,66,77,88,99);
   }
   int g10 ( void ) {
      return f10(11,22,33,44,55,66,77,88,99,110);
   }
   int g11 ( void ) {
      return f11(11,22,33,44,55,66,77,88,99,110,121);
   }
   int g12 ( void ) {
      return f12(11,22,33,44,55,66,77,88,99,110,121,132);
   }
*/

/* ARGREGS: r3 r4 r5 r6 r7 r8 r9 r10 (the rest on stack somewhere) */

/* These regs are trashed by the hidden call. */
#define __CALLER_SAVED_REGS                                       \
   "lr", "ctr", "xer",                                            \
   "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",        \
   "r0", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",   \
   "r11", "r12", "r13"

/* Macros to save and align the stack before making a function
   call and restore it afterwards as gcc may not keep the stack
   pointer aligned if it doesn't realise calls are being made
   to other functions. */

#define VALGRIND_ALIGN_STACK               \
      "mr 28,1\n\t"                        \
      "rlwinm 1,1,0,0,27\n\t"
#define VALGRIND_RESTORE_STACK             \
      "mr 1,28\n\t"

/* These CALL_FN_ macros assume that on ppc32-linux, 
   sizeof(unsigned long) == 4. */

gejun's avatar
gejun committed
1864 1865 1866 1867 1868 1869 1870
#define CALL_FN_W_v(lval, orig)                                   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[1];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1871 1872 1873 1874 1875 1876 1877 1878 1879
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
1880 1881 1882 1883 1884 1885 1886 1887 1888 1889
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_W(lval, orig, arg1)                             \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[2];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
1890
      _argvec[1] = (unsigned long)arg1;                           \
gejun's avatar
gejun committed
1891
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1892 1893 1894 1895 1896 1897 1898 1899 1900 1901
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
1902 1903 1904 1905 1906 1907 1908 1909 1910 1911
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WW(lval, orig, arg1,arg2)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[3];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
1912 1913
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
gejun's avatar
gejun committed
1914
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
1926 1927 1928 1929 1930 1931 1932 1933 1934 1935
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WWW(lval, orig, arg1,arg2,arg3)                 \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[4];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
1936 1937 1938
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
gejun's avatar
gejun committed
1939
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

gejun's avatar
gejun committed
1956 1957 1958 1959 1960 1961
#define CALL_FN_W_WWWW(lval, orig, arg1,arg2,arg3,arg4)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[5];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
1962 1963 1964 1965
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
      _argvec[4] = (unsigned long)arg4;                           \
gejun's avatar
gejun committed
1966
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 6,16(11)\n\t"  /* arg4->r6 */                       \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_5W(lval, orig, arg1,arg2,arg3,arg4,arg5)        \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[6];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
1990 1991 1992 1993 1994
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
      _argvec[4] = (unsigned long)arg4;                           \
      _argvec[5] = (unsigned long)arg5;                           \
gejun's avatar
gejun committed
1995
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 6,16(11)\n\t"  /* arg4->r6 */                       \
         "lwz 7,20(11)\n\t"                                       \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_6W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6)   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[7];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
2020 2021 2022 2023 2024 2025
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
      _argvec[4] = (unsigned long)arg4;                           \
      _argvec[5] = (unsigned long)arg5;                           \
      _argvec[6] = (unsigned long)arg6;                           \
gejun's avatar
gejun committed
2026
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 6,16(11)\n\t"  /* arg4->r6 */                       \
         "lwz 7,20(11)\n\t"                                       \
         "lwz 8,24(11)\n\t"                                       \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_7W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7)                            \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[8];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
2053 2054 2055 2056 2057 2058 2059
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
      _argvec[4] = (unsigned long)arg4;                           \
      _argvec[5] = (unsigned long)arg5;                           \
      _argvec[6] = (unsigned long)arg6;                           \
      _argvec[7] = (unsigned long)arg7;                           \
gejun's avatar
gejun committed
2060
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 6,16(11)\n\t"  /* arg4->r6 */                       \
         "lwz 7,20(11)\n\t"                                       \
         "lwz 8,24(11)\n\t"                                       \
         "lwz 9,28(11)\n\t"                                       \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_8W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[9];                          \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
2088 2089 2090 2091 2092 2093 2094 2095
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
      _argvec[4] = (unsigned long)arg4;                           \
      _argvec[5] = (unsigned long)arg5;                           \
      _argvec[6] = (unsigned long)arg6;                           \
      _argvec[7] = (unsigned long)arg7;                           \
      _argvec[8] = (unsigned long)arg8;                           \
gejun's avatar
gejun committed
2096
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 6,16(11)\n\t"  /* arg4->r6 */                       \
         "lwz 7,20(11)\n\t"                                       \
         "lwz 8,24(11)\n\t"                                       \
         "lwz 9,28(11)\n\t"                                       \
         "lwz 10,32(11)\n\t" /* arg8->r10 */                      \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_9W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8,arg9)                  \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[10];                         \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
2125 2126 2127 2128 2129 2130 2131 2132 2133
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
      _argvec[4] = (unsigned long)arg4;                           \
      _argvec[5] = (unsigned long)arg5;                           \
      _argvec[6] = (unsigned long)arg6;                           \
      _argvec[7] = (unsigned long)arg7;                           \
      _argvec[8] = (unsigned long)arg8;                           \
      _argvec[9] = (unsigned long)arg9;                           \
gejun's avatar
gejun committed
2134
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "addi 1,1,-16\n\t"                                       \
         /* arg9 */                                               \
         "lwz 3,36(11)\n\t"                                       \
         "stw 3,8(1)\n\t"                                         \
         /* args1-8 */                                            \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 6,16(11)\n\t"  /* arg4->r6 */                       \
         "lwz 7,20(11)\n\t"                                       \
         "lwz 8,24(11)\n\t"                                       \
         "lwz 9,28(11)\n\t"                                       \
         "lwz 10,32(11)\n\t" /* arg8->r10 */                      \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_10W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,  \
                                  arg7,arg8,arg9,arg10)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[11];                         \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
2168 2169 2170 2171 2172 2173 2174 2175 2176 2177
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
      _argvec[4] = (unsigned long)arg4;                           \
      _argvec[5] = (unsigned long)arg5;                           \
      _argvec[6] = (unsigned long)arg6;                           \
      _argvec[7] = (unsigned long)arg7;                           \
      _argvec[8] = (unsigned long)arg8;                           \
      _argvec[9] = (unsigned long)arg9;                           \
      _argvec[10] = (unsigned long)arg10;                         \
gejun's avatar
gejun committed
2178
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "addi 1,1,-16\n\t"                                       \
         /* arg10 */                                              \
         "lwz 3,40(11)\n\t"                                       \
         "stw 3,12(1)\n\t"                                        \
         /* arg9 */                                               \
         "lwz 3,36(11)\n\t"                                       \
         "stw 3,8(1)\n\t"                                         \
         /* args1-8 */                                            \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 6,16(11)\n\t"  /* arg4->r6 */                       \
         "lwz 7,20(11)\n\t"                                       \
         "lwz 8,24(11)\n\t"                                       \
         "lwz 9,28(11)\n\t"                                       \
         "lwz 10,32(11)\n\t" /* arg8->r10 */                      \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_11W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,  \
                                  arg7,arg8,arg9,arg10,arg11)     \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[12];                         \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
      _argvec[4] = (unsigned long)arg4;                           \
      _argvec[5] = (unsigned long)arg5;                           \
      _argvec[6] = (unsigned long)arg6;                           \
      _argvec[7] = (unsigned long)arg7;                           \
      _argvec[8] = (unsigned long)arg8;                           \
      _argvec[9] = (unsigned long)arg9;                           \
      _argvec[10] = (unsigned long)arg10;                         \
      _argvec[11] = (unsigned long)arg11;                         \
gejun's avatar
gejun committed
2226
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "addi 1,1,-32\n\t"                                       \
         /* arg11 */                                              \
         "lwz 3,44(11)\n\t"                                       \
         "stw 3,16(1)\n\t"                                        \
         /* arg10 */                                              \
         "lwz 3,40(11)\n\t"                                       \
         "stw 3,12(1)\n\t"                                        \
         /* arg9 */                                               \
         "lwz 3,36(11)\n\t"                                       \
         "stw 3,8(1)\n\t"                                         \
         /* args1-8 */                                            \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 6,16(11)\n\t"  /* arg4->r6 */                       \
         "lwz 7,20(11)\n\t"                                       \
         "lwz 8,24(11)\n\t"                                       \
         "lwz 9,28(11)\n\t"                                       \
         "lwz 10,32(11)\n\t" /* arg8->r10 */                      \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2255 2256 2257 2258
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

gejun's avatar
gejun committed
2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312
#define CALL_FN_W_12W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,  \
                                arg7,arg8,arg9,arg10,arg11,arg12) \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[13];                         \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)arg1;                           \
      _argvec[2] = (unsigned long)arg2;                           \
      _argvec[3] = (unsigned long)arg3;                           \
      _argvec[4] = (unsigned long)arg4;                           \
      _argvec[5] = (unsigned long)arg5;                           \
      _argvec[6] = (unsigned long)arg6;                           \
      _argvec[7] = (unsigned long)arg7;                           \
      _argvec[8] = (unsigned long)arg8;                           \
      _argvec[9] = (unsigned long)arg9;                           \
      _argvec[10] = (unsigned long)arg10;                         \
      _argvec[11] = (unsigned long)arg11;                         \
      _argvec[12] = (unsigned long)arg12;                         \
      __asm__ volatile(                                           \
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "addi 1,1,-32\n\t"                                       \
         /* arg12 */                                              \
         "lwz 3,48(11)\n\t"                                       \
         "stw 3,20(1)\n\t"                                        \
         /* arg11 */                                              \
         "lwz 3,44(11)\n\t"                                       \
         "stw 3,16(1)\n\t"                                        \
         /* arg10 */                                              \
         "lwz 3,40(11)\n\t"                                       \
         "stw 3,12(1)\n\t"                                        \
         /* arg9 */                                               \
         "lwz 3,36(11)\n\t"                                       \
         "stw 3,8(1)\n\t"                                         \
         /* args1-8 */                                            \
         "lwz 3,4(11)\n\t"   /* arg1->r3 */                       \
         "lwz 4,8(11)\n\t"                                        \
         "lwz 5,12(11)\n\t"                                       \
         "lwz 6,16(11)\n\t"  /* arg4->r6 */                       \
         "lwz 7,20(11)\n\t"                                       \
         "lwz 8,24(11)\n\t"                                       \
         "lwz 9,28(11)\n\t"                                       \
         "lwz 10,32(11)\n\t" /* arg8->r10 */                      \
         "lwz 11,0(11)\n\t"  /* target->r11 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
         VALGRIND_RESTORE_STACK                                   \
         "mr %0,3"                                                \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "r" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)
gejun's avatar
gejun committed
2313

gejun's avatar
gejun committed
2314
#endif /* PLAT_ppc32_linux */
gejun's avatar
gejun committed
2315

gejun's avatar
gejun committed
2316
/* ------------------------ ppc64-linux ------------------------ */
gejun's avatar
gejun committed
2317

gejun's avatar
gejun committed
2318
#if defined(PLAT_ppc64_linux)
gejun's avatar
gejun committed
2319 2320 2321 2322 2323 2324 2325 2326 2327 2328

/* ARGREGS: r3 r4 r5 r6 r7 r8 r9 r10 (the rest on stack somewhere) */

/* These regs are trashed by the hidden call. */
#define __CALLER_SAVED_REGS                                       \
   "lr", "ctr", "xer",                                            \
   "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",        \
   "r0", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",   \
   "r11", "r12", "r13"

gejun's avatar
gejun committed
2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341
/* Macros to save and align the stack before making a function
   call and restore it afterwards as gcc may not keep the stack
   pointer aligned if it doesn't realise calls are being made
   to other functions. */

#define VALGRIND_ALIGN_STACK               \
      "mr 28,1\n\t"                        \
      "rldicr 1,1,0,59\n\t"
#define VALGRIND_RESTORE_STACK             \
      "mr 1,28\n\t"

/* These CALL_FN_ macros assume that on ppc64-linux, sizeof(unsigned
   long) == 8. */
gejun's avatar
gejun committed
2342 2343 2344 2345

#define CALL_FN_W_v(lval, orig)                                   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2346
      volatile unsigned long _argvec[3+0];                        \
gejun's avatar
gejun committed
2347
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2348 2349 2350
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1] = (unsigned long)_orig.r2;                       \
      _argvec[2] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
2351
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2352
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2353
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2354 2355 2356
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2357
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2358 2359 2360 2361
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2362
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2363 2364
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2365 2366 2367 2368 2369 2370 2371
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_W(lval, orig, arg1)                             \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2372
      volatile unsigned long _argvec[3+1];                        \
gejun's avatar
gejun committed
2373
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2374 2375 2376 2377
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
gejun's avatar
gejun committed
2378
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2379
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2380
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2381 2382 2383 2384
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2385
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2386 2387 2388 2389
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2390
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2391 2392
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2393 2394 2395 2396 2397 2398 2399
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WW(lval, orig, arg1,arg2)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2400
      volatile unsigned long _argvec[3+2];                        \
gejun's avatar
gejun committed
2401
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2402 2403 2404 2405 2406
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
gejun's avatar
gejun committed
2407
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2408
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2409
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2410 2411 2412 2413 2414
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2415
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2416 2417 2418 2419
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2420
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2421 2422
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2423 2424 2425 2426 2427 2428 2429
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WWW(lval, orig, arg1,arg2,arg3)                 \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2430
      volatile unsigned long _argvec[3+3];                        \
gejun's avatar
gejun committed
2431
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2432 2433 2434 2435 2436 2437
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
gejun's avatar
gejun committed
2438
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2439
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2440
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2441 2442 2443 2444 2445 2446
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2447
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2448 2449 2450 2451
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2452
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2453 2454
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2455 2456 2457 2458 2459 2460 2461
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WWWW(lval, orig, arg1,arg2,arg3,arg4)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2462
      volatile unsigned long _argvec[3+4];                        \
gejun's avatar
gejun committed
2463
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2464 2465 2466 2467 2468 2469 2470
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
      _argvec[2+4] = (unsigned long)arg4;                         \
gejun's avatar
gejun committed
2471
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2472
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2473
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2474 2475 2476 2477 2478 2479 2480
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld   6, 32(11)\n\t" /* arg4->r6 */                      \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2481
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2482 2483 2484 2485
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2486
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2487 2488
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2489 2490 2491 2492 2493 2494 2495
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_5W(lval, orig, arg1,arg2,arg3,arg4,arg5)        \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2496
      volatile unsigned long _argvec[3+5];                        \
gejun's avatar
gejun committed
2497
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
      _argvec[2+4] = (unsigned long)arg4;                         \
      _argvec[2+5] = (unsigned long)arg5;                         \
      __asm__ volatile(                                           \
         VALGRIND_ALIGN_STACK                                     \
         "mr 11,%1\n\t"                                           \
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld   6, 32(11)\n\t" /* arg4->r6 */                      \
         "ld   7, 40(11)\n\t" /* arg5->r7 */                      \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2517
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2518 2519 2520 2521
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2522
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2523 2524
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2525 2526 2527 2528 2529 2530 2531
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_6W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6)   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2532
      volatile unsigned long _argvec[3+6];                        \
gejun's avatar
gejun committed
2533
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2534 2535 2536 2537 2538 2539 2540 2541 2542
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
      _argvec[2+4] = (unsigned long)arg4;                         \
      _argvec[2+5] = (unsigned long)arg5;                         \
      _argvec[2+6] = (unsigned long)arg6;                         \
gejun's avatar
gejun committed
2543
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2544
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2545
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2546 2547 2548 2549 2550 2551 2552 2553 2554
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld   6, 32(11)\n\t" /* arg4->r6 */                      \
         "ld   7, 40(11)\n\t" /* arg5->r7 */                      \
         "ld   8, 48(11)\n\t" /* arg6->r8 */                      \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2555
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2556 2557 2558 2559
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2560
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2561 2562
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2563 2564 2565 2566 2567 2568 2569 2570
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_7W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7)                            \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2571
      volatile unsigned long _argvec[3+7];                        \
gejun's avatar
gejun committed
2572
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2573 2574 2575 2576 2577 2578 2579 2580 2581 2582
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
      _argvec[2+4] = (unsigned long)arg4;                         \
      _argvec[2+5] = (unsigned long)arg5;                         \
      _argvec[2+6] = (unsigned long)arg6;                         \
      _argvec[2+7] = (unsigned long)arg7;                         \
gejun's avatar
gejun committed
2583
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2584
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2585
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2586 2587 2588 2589 2590 2591 2592 2593 2594 2595
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld   6, 32(11)\n\t" /* arg4->r6 */                      \
         "ld   7, 40(11)\n\t" /* arg5->r7 */                      \
         "ld   8, 48(11)\n\t" /* arg6->r8 */                      \
         "ld   9, 56(11)\n\t" /* arg7->r9 */                      \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2596
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2597 2598 2599 2600
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2601
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2602 2603
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2604 2605 2606 2607 2608 2609 2610 2611
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_8W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2612
      volatile unsigned long _argvec[3+8];                        \
gejun's avatar
gejun committed
2613
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
      _argvec[2+4] = (unsigned long)arg4;                         \
      _argvec[2+5] = (unsigned long)arg5;                         \
      _argvec[2+6] = (unsigned long)arg6;                         \
      _argvec[2+7] = (unsigned long)arg7;                         \
      _argvec[2+8] = (unsigned long)arg8;                         \
gejun's avatar
gejun committed
2625
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2626
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2627
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld   6, 32(11)\n\t" /* arg4->r6 */                      \
         "ld   7, 40(11)\n\t" /* arg5->r7 */                      \
         "ld   8, 48(11)\n\t" /* arg6->r8 */                      \
         "ld   9, 56(11)\n\t" /* arg7->r9 */                      \
         "ld  10, 64(11)\n\t" /* arg8->r10 */                     \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2639
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2640 2641 2642 2643
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2644
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2645 2646
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2647 2648 2649 2650 2651 2652 2653 2654
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_9W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8,arg9)                  \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2655
      volatile unsigned long _argvec[3+9];                        \
gejun's avatar
gejun committed
2656
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
      _argvec[2+4] = (unsigned long)arg4;                         \
      _argvec[2+5] = (unsigned long)arg5;                         \
      _argvec[2+6] = (unsigned long)arg6;                         \
      _argvec[2+7] = (unsigned long)arg7;                         \
      _argvec[2+8] = (unsigned long)arg8;                         \
      _argvec[2+9] = (unsigned long)arg9;                         \
gejun's avatar
gejun committed
2669
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2670
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2671
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2672 2673 2674
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "addi 1,1,-128\n\t"  /* expand stack frame */            \
gejun's avatar
gejun committed
2675
         /* arg9 */                                               \
gejun's avatar
gejun committed
2676 2677
         "ld  3,72(11)\n\t"                                       \
         "std 3,112(1)\n\t"                                       \
gejun's avatar
gejun committed
2678
         /* args1-8 */                                            \
gejun's avatar
gejun committed
2679 2680 2681 2682 2683 2684 2685 2686 2687
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld   6, 32(11)\n\t" /* arg4->r6 */                      \
         "ld   7, 40(11)\n\t" /* arg5->r7 */                      \
         "ld   8, 48(11)\n\t" /* arg6->r8 */                      \
         "ld   9, 56(11)\n\t" /* arg7->r9 */                      \
         "ld  10, 64(11)\n\t" /* arg8->r10 */                     \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2688
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2689 2690 2691 2692
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2693
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2694 2695
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2696 2697 2698 2699 2700 2701 2702 2703
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_10W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,  \
                                  arg7,arg8,arg9,arg10)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2704
      volatile unsigned long _argvec[3+10];                       \
gejun's avatar
gejun committed
2705
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
      _argvec[2+4] = (unsigned long)arg4;                         \
      _argvec[2+5] = (unsigned long)arg5;                         \
      _argvec[2+6] = (unsigned long)arg6;                         \
      _argvec[2+7] = (unsigned long)arg7;                         \
      _argvec[2+8] = (unsigned long)arg8;                         \
      _argvec[2+9] = (unsigned long)arg9;                         \
      _argvec[2+10] = (unsigned long)arg10;                       \
gejun's avatar
gejun committed
2719
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2720
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2721
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2722 2723 2724
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "addi 1,1,-128\n\t"  /* expand stack frame */            \
gejun's avatar
gejun committed
2725
         /* arg10 */                                              \
gejun's avatar
gejun committed
2726 2727
         "ld  3,80(11)\n\t"                                       \
         "std 3,120(1)\n\t"                                       \
gejun's avatar
gejun committed
2728
         /* arg9 */                                               \
gejun's avatar
gejun committed
2729 2730
         "ld  3,72(11)\n\t"                                       \
         "std 3,112(1)\n\t"                                       \
gejun's avatar
gejun committed
2731
         /* args1-8 */                                            \
gejun's avatar
gejun committed
2732 2733 2734 2735 2736 2737 2738 2739 2740
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld   6, 32(11)\n\t" /* arg4->r6 */                      \
         "ld   7, 40(11)\n\t" /* arg5->r7 */                      \
         "ld   8, 48(11)\n\t" /* arg6->r8 */                      \
         "ld   9, 56(11)\n\t" /* arg7->r9 */                      \
         "ld  10, 64(11)\n\t" /* arg8->r10 */                     \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2741
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2742 2743 2744 2745
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2746
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2747 2748
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2749 2750 2751 2752 2753 2754 2755 2756
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_11W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,  \
                                  arg7,arg8,arg9,arg10,arg11)     \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2757
      volatile unsigned long _argvec[3+11];                       \
gejun's avatar
gejun committed
2758
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
      _argvec[2+4] = (unsigned long)arg4;                         \
      _argvec[2+5] = (unsigned long)arg5;                         \
      _argvec[2+6] = (unsigned long)arg6;                         \
      _argvec[2+7] = (unsigned long)arg7;                         \
      _argvec[2+8] = (unsigned long)arg8;                         \
      _argvec[2+9] = (unsigned long)arg9;                         \
      _argvec[2+10] = (unsigned long)arg10;                       \
      _argvec[2+11] = (unsigned long)arg11;                       \
gejun's avatar
gejun committed
2773
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2774
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2775
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2776 2777 2778
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "addi 1,1,-144\n\t"  /* expand stack frame */            \
gejun's avatar
gejun committed
2779
         /* arg11 */                                              \
gejun's avatar
gejun committed
2780 2781
         "ld  3,88(11)\n\t"                                       \
         "std 3,128(1)\n\t"                                       \
gejun's avatar
gejun committed
2782
         /* arg10 */                                              \
gejun's avatar
gejun committed
2783 2784
         "ld  3,80(11)\n\t"                                       \
         "std 3,120(1)\n\t"                                       \
gejun's avatar
gejun committed
2785
         /* arg9 */                                               \
gejun's avatar
gejun committed
2786 2787
         "ld  3,72(11)\n\t"                                       \
         "std 3,112(1)\n\t"                                       \
gejun's avatar
gejun committed
2788
         /* args1-8 */                                            \
gejun's avatar
gejun committed
2789 2790 2791 2792 2793 2794 2795 2796 2797
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld   6, 32(11)\n\t" /* arg4->r6 */                      \
         "ld   7, 40(11)\n\t" /* arg5->r7 */                      \
         "ld   8, 48(11)\n\t" /* arg6->r8 */                      \
         "ld   9, 56(11)\n\t" /* arg7->r9 */                      \
         "ld  10, 64(11)\n\t" /* arg8->r10 */                     \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2798
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2799 2800 2801 2802
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2803
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2804 2805
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2806 2807 2808 2809 2810 2811 2812 2813
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_12W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,  \
                                arg7,arg8,arg9,arg10,arg11,arg12) \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2814
      volatile unsigned long _argvec[3+12];                       \
gejun's avatar
gejun committed
2815
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830
      /* _argvec[0] holds current r2 across the call */           \
      _argvec[1]   = (unsigned long)_orig.r2;                     \
      _argvec[2]   = (unsigned long)_orig.nraddr;                 \
      _argvec[2+1] = (unsigned long)arg1;                         \
      _argvec[2+2] = (unsigned long)arg2;                         \
      _argvec[2+3] = (unsigned long)arg3;                         \
      _argvec[2+4] = (unsigned long)arg4;                         \
      _argvec[2+5] = (unsigned long)arg5;                         \
      _argvec[2+6] = (unsigned long)arg6;                         \
      _argvec[2+7] = (unsigned long)arg7;                         \
      _argvec[2+8] = (unsigned long)arg8;                         \
      _argvec[2+9] = (unsigned long)arg9;                         \
      _argvec[2+10] = (unsigned long)arg10;                       \
      _argvec[2+11] = (unsigned long)arg11;                       \
      _argvec[2+12] = (unsigned long)arg12;                       \
gejun's avatar
gejun committed
2831
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2832
         VALGRIND_ALIGN_STACK                                     \
gejun's avatar
gejun committed
2833
         "mr 11,%1\n\t"                                           \
gejun's avatar
gejun committed
2834 2835 2836
         "std 2,-16(11)\n\t"  /* save tocptr */                   \
         "ld   2,-8(11)\n\t"  /* use nraddr's tocptr */           \
         "addi 1,1,-144\n\t"  /* expand stack frame */            \
gejun's avatar
gejun committed
2837
         /* arg12 */                                              \
gejun's avatar
gejun committed
2838 2839
         "ld  3,96(11)\n\t"                                       \
         "std 3,136(1)\n\t"                                       \
gejun's avatar
gejun committed
2840
         /* arg11 */                                              \
gejun's avatar
gejun committed
2841 2842
         "ld  3,88(11)\n\t"                                       \
         "std 3,128(1)\n\t"                                       \
gejun's avatar
gejun committed
2843
         /* arg10 */                                              \
gejun's avatar
gejun committed
2844 2845
         "ld  3,80(11)\n\t"                                       \
         "std 3,120(1)\n\t"                                       \
gejun's avatar
gejun committed
2846
         /* arg9 */                                               \
gejun's avatar
gejun committed
2847 2848
         "ld  3,72(11)\n\t"                                       \
         "std 3,112(1)\n\t"                                       \
gejun's avatar
gejun committed
2849
         /* args1-8 */                                            \
gejun's avatar
gejun committed
2850 2851 2852 2853 2854 2855 2856 2857 2858
         "ld   3, 8(11)\n\t"  /* arg1->r3 */                      \
         "ld   4, 16(11)\n\t" /* arg2->r4 */                      \
         "ld   5, 24(11)\n\t" /* arg3->r5 */                      \
         "ld   6, 32(11)\n\t" /* arg4->r6 */                      \
         "ld   7, 40(11)\n\t" /* arg5->r7 */                      \
         "ld   8, 48(11)\n\t" /* arg6->r8 */                      \
         "ld   9, 56(11)\n\t" /* arg7->r9 */                      \
         "ld  10, 64(11)\n\t" /* arg8->r10 */                     \
         "ld  11, 0(11)\n\t"  /* target->r11 */                   \
gejun's avatar
gejun committed
2859
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R11                  \
gejun's avatar
gejun committed
2860 2861 2862 2863
         "mr 11,%1\n\t"                                           \
         "mr %0,3\n\t"                                            \
         "ld 2,-16(11)\n\t" /* restore tocptr */                  \
         VALGRIND_RESTORE_STACK                                   \
gejun's avatar
gejun committed
2864
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2865 2866
         : /*in*/    "r" (&_argvec[2])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r28"   \
gejun's avatar
gejun committed
2867 2868 2869 2870
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

gejun's avatar
gejun committed
2871
#endif /* PLAT_ppc64_linux */
gejun's avatar
gejun committed
2872

gejun's avatar
gejun committed
2873
/* ------------------------- arm-linux ------------------------- */
gejun's avatar
gejun committed
2874

gejun's avatar
gejun committed
2875
#if defined(PLAT_arm_linux)
gejun's avatar
gejun committed
2876 2877

/* These regs are trashed by the hidden call. */
gejun's avatar
gejun committed
2878
#define __CALLER_SAVED_REGS "r0", "r1", "r2", "r3","r4","r14"
gejun's avatar
gejun committed
2879

gejun's avatar
gejun committed
2880 2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902
/* Macros to save and align the stack before making a function
   call and restore it afterwards as gcc may not keep the stack
   pointer aligned if it doesn't realise calls are being made
   to other functions. */

/* This is a bit tricky.  We store the original stack pointer in r10
   as it is callee-saves.  gcc doesn't allow the use of r11 for some
   reason.  Also, we can't directly "bic" the stack pointer in thumb
   mode since r13 isn't an allowed register number in that context.
   So use r4 as a temporary, since that is about to get trashed
   anyway, just after each use of this macro.  Side effect is we need
   to be very careful about any future changes, since
   VALGRIND_ALIGN_STACK simply assumes r4 is usable. */
#define VALGRIND_ALIGN_STACK               \
      "mov r10, sp\n\t"                    \
      "mov r4,  sp\n\t"                    \
      "bic r4,  r4, #7\n\t"                \
      "mov sp,  r4\n\t"
#define VALGRIND_RESTORE_STACK             \
      "mov sp,  r10\n\t"

/* These CALL_FN_ macros assume that on arm-linux, sizeof(unsigned
   long) == 4. */
gejun's avatar
gejun committed
2903 2904 2905 2906

#define CALL_FN_W_v(lval, orig)                                   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2907
      volatile unsigned long _argvec[1];                          \
gejun's avatar
gejun committed
2908
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2909
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
2910
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2911 2912 2913 2914 2915
         VALGRIND_ALIGN_STACK                                     \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0\n"                                           \
gejun's avatar
gejun committed
2916
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2917 2918
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
2919 2920 2921 2922 2923 2924 2925
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_W(lval, orig, arg1)                             \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2926
      volatile unsigned long _argvec[2];                          \
gejun's avatar
gejun committed
2927
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2928 2929
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
gejun's avatar
gejun committed
2930
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2931 2932 2933 2934 2935 2936
         VALGRIND_ALIGN_STACK                                     \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0\n"                                           \
gejun's avatar
gejun committed
2937
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2938 2939
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
2940 2941 2942 2943 2944 2945 2946
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WW(lval, orig, arg1,arg2)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2947
      volatile unsigned long _argvec[3];                          \
gejun's avatar
gejun committed
2948
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2949 2950 2951
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
gejun's avatar
gejun committed
2952
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963
         VALGRIND_ALIGN_STACK                                     \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0\n"                                           \
         : /*out*/   "=r" (_res)                                  \
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
      );                                                          \
gejun's avatar
gejun committed
2964 2965 2966 2967 2968 2969
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WWW(lval, orig, arg1,arg2,arg3)                 \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2970
      volatile unsigned long _argvec[4];                          \
gejun's avatar
gejun committed
2971
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2972 2973 2974 2975
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
gejun's avatar
gejun committed
2976
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
2977 2978 2979 2980 2981 2982 2983 2984
         VALGRIND_ALIGN_STACK                                     \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0\n"                                           \
gejun's avatar
gejun committed
2985
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
2986 2987
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
2988 2989 2990 2991 2992 2993 2994
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WWWW(lval, orig, arg1,arg2,arg3,arg4)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
2995
      volatile unsigned long _argvec[5];                          \
gejun's avatar
gejun committed
2996
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
2997 2998 2999 3000 3001
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
gejun's avatar
gejun committed
3002
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3003 3004 3005 3006 3007 3008 3009 3010 3011
         VALGRIND_ALIGN_STACK                                     \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
         "ldr r3, [%1, #16] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0"                                             \
gejun's avatar
gejun committed
3012
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3013 3014
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
3015 3016 3017 3018 3019 3020 3021
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_5W(lval, orig, arg1,arg2,arg3,arg4,arg5)        \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3022
      volatile unsigned long _argvec[6];                          \
gejun's avatar
gejun committed
3023
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3024 3025 3026 3027 3028 3029
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
gejun's avatar
gejun committed
3030
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042
         VALGRIND_ALIGN_STACK                                     \
         "sub sp, sp, #4 \n\t"                                    \
         "ldr r0, [%1, #20] \n\t"                                 \
         "push {r0} \n\t"                                         \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
         "ldr r3, [%1, #16] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0"                                             \
gejun's avatar
gejun committed
3043
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3044 3045
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
3046 3047 3048 3049 3050 3051 3052
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_6W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6)   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3053
      volatile unsigned long _argvec[7];                          \
gejun's avatar
gejun committed
3054
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3055 3056 3057 3058 3059 3060 3061
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
gejun's avatar
gejun committed
3062
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074
         VALGRIND_ALIGN_STACK                                     \
         "ldr r0, [%1, #20] \n\t"                                 \
         "ldr r1, [%1, #24] \n\t"                                 \
         "push {r0, r1} \n\t"                                     \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
         "ldr r3, [%1, #16] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0"                                             \
gejun's avatar
gejun committed
3075
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3076 3077
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
3078 3079 3080 3081 3082 3083 3084 3085
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_7W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7)                            \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3086
      volatile unsigned long _argvec[8];                          \
gejun's avatar
gejun committed
3087
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3088 3089 3090 3091 3092 3093 3094 3095
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
gejun's avatar
gejun committed
3096
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110
         VALGRIND_ALIGN_STACK                                     \
         "sub sp, sp, #4 \n\t"                                    \
         "ldr r0, [%1, #20] \n\t"                                 \
         "ldr r1, [%1, #24] \n\t"                                 \
         "ldr r2, [%1, #28] \n\t"                                 \
         "push {r0, r1, r2} \n\t"                                 \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
         "ldr r3, [%1, #16] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0"                                             \
gejun's avatar
gejun committed
3111
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3112 3113
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
3114 3115 3116 3117 3118 3119 3120 3121
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_8W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3122
      volatile unsigned long _argvec[9];                          \
gejun's avatar
gejun committed
3123
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3124 3125 3126 3127 3128 3129 3130 3131 3132
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
gejun's avatar
gejun committed
3133
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147
         VALGRIND_ALIGN_STACK                                     \
         "ldr r0, [%1, #20] \n\t"                                 \
         "ldr r1, [%1, #24] \n\t"                                 \
         "ldr r2, [%1, #28] \n\t"                                 \
         "ldr r3, [%1, #32] \n\t"                                 \
         "push {r0, r1, r2, r3} \n\t"                             \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
         "ldr r3, [%1, #16] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0"                                             \
gejun's avatar
gejun committed
3148
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3149 3150
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
3151 3152 3153 3154 3155 3156 3157 3158
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_9W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8,arg9)                  \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3159
      volatile unsigned long _argvec[10];                         \
gejun's avatar
gejun committed
3160 3161 3162
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
gejun's avatar
gejun committed
3163 3164 3165 3166 3167 3168 3169 3170
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
gejun's avatar
gejun committed
3171
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3172 3173
         VALGRIND_ALIGN_STACK                                     \
         "sub sp, sp, #4 \n\t"                                    \
gejun's avatar
gejun committed
3174 3175 3176 3177 3178 3179 3180 3181 3182
         "ldr r0, [%1, #20] \n\t"                                 \
         "ldr r1, [%1, #24] \n\t"                                 \
         "ldr r2, [%1, #28] \n\t"                                 \
         "ldr r3, [%1, #32] \n\t"                                 \
         "ldr r4, [%1, #36] \n\t"                                 \
         "push {r0, r1, r2, r3, r4} \n\t"                         \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
gejun's avatar
gejun committed
3183 3184 3185 3186 3187
         "ldr r3, [%1, #16] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0"                                             \
gejun's avatar
gejun committed
3188
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3189 3190
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
3191 3192 3193 3194 3195 3196 3197 3198
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_10W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,  \
                                  arg7,arg8,arg9,arg10)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3199
      volatile unsigned long _argvec[11];                         \
gejun's avatar
gejun committed
3200
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      _argvec[10] = (unsigned long)(arg10);                       \
gejun's avatar
gejun committed
3212
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229
         VALGRIND_ALIGN_STACK                                     \
         "ldr r0, [%1, #40] \n\t"                                 \
         "push {r0} \n\t"                                         \
         "ldr r0, [%1, #20] \n\t"                                 \
         "ldr r1, [%1, #24] \n\t"                                 \
         "ldr r2, [%1, #28] \n\t"                                 \
         "ldr r3, [%1, #32] \n\t"                                 \
         "ldr r4, [%1, #36] \n\t"                                 \
         "push {r0, r1, r2, r3, r4} \n\t"                         \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
         "ldr r3, [%1, #16] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0"                                             \
gejun's avatar
gejun committed
3230
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3231 3232
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
3233 3234 3235 3236
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

gejun's avatar
gejun committed
3237 3238 3239
#define CALL_FN_W_11W(lval, orig, arg1,arg2,arg3,arg4,arg5,       \
                                  arg6,arg7,arg8,arg9,arg10,      \
                                  arg11)                          \
gejun's avatar
gejun committed
3240 3241
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3242
      volatile unsigned long _argvec[12];                         \
gejun's avatar
gejun committed
3243
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      _argvec[10] = (unsigned long)(arg10);                       \
      _argvec[11] = (unsigned long)(arg11);                       \
gejun's avatar
gejun committed
3256
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275
         VALGRIND_ALIGN_STACK                                     \
         "sub sp, sp, #4 \n\t"                                    \
         "ldr r0, [%1, #40] \n\t"                                 \
         "ldr r1, [%1, #44] \n\t"                                 \
         "push {r0, r1} \n\t"                                     \
         "ldr r0, [%1, #20] \n\t"                                 \
         "ldr r1, [%1, #24] \n\t"                                 \
         "ldr r2, [%1, #28] \n\t"                                 \
         "ldr r3, [%1, #32] \n\t"                                 \
         "ldr r4, [%1, #36] \n\t"                                 \
         "push {r0, r1, r2, r3, r4} \n\t"                         \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
         "ldr r3, [%1, #16] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0"                                             \
gejun's avatar
gejun committed
3276
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3277 3278
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
3279 3280 3281 3282
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

gejun's avatar
gejun committed
3283 3284 3285
#define CALL_FN_W_12W(lval, orig, arg1,arg2,arg3,arg4,arg5,       \
                                  arg6,arg7,arg8,arg9,arg10,      \
                                  arg11,arg12)                    \
gejun's avatar
gejun committed
3286 3287
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3288
      volatile unsigned long _argvec[13];                         \
gejun's avatar
gejun committed
3289
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      _argvec[10] = (unsigned long)(arg10);                       \
      _argvec[11] = (unsigned long)(arg11);                       \
      _argvec[12] = (unsigned long)(arg12);                       \
gejun's avatar
gejun committed
3303
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322
         VALGRIND_ALIGN_STACK                                     \
         "ldr r0, [%1, #40] \n\t"                                 \
         "ldr r1, [%1, #44] \n\t"                                 \
         "ldr r2, [%1, #48] \n\t"                                 \
         "push {r0, r1, r2} \n\t"                                 \
         "ldr r0, [%1, #20] \n\t"                                 \
         "ldr r1, [%1, #24] \n\t"                                 \
         "ldr r2, [%1, #28] \n\t"                                 \
         "ldr r3, [%1, #32] \n\t"                                 \
         "ldr r4, [%1, #36] \n\t"                                 \
         "push {r0, r1, r2, r3, r4} \n\t"                         \
         "ldr r0, [%1, #4] \n\t"                                  \
         "ldr r1, [%1, #8] \n\t"                                  \
         "ldr r2, [%1, #12] \n\t"                                 \
         "ldr r3, [%1, #16] \n\t"                                 \
         "ldr r4, [%1] \n\t"  /* target->r4 */                    \
         VALGRIND_BRANCH_AND_LINK_TO_NOREDIR_R4                   \
         VALGRIND_RESTORE_STACK                                   \
         "mov %0, r0"                                             \
gejun's avatar
gejun committed
3323
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3324 3325
         : /*in*/    "0" (&_argvec[0])                            \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS, "r10"   \
gejun's avatar
gejun committed
3326 3327 3328 3329
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

gejun's avatar
gejun committed
3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423
#endif /* PLAT_arm_linux */

/* ------------------------- s390x-linux ------------------------- */

#if defined(PLAT_s390x_linux)

/* Similar workaround as amd64 (see above), but we use r11 as frame
   pointer and save the old r11 in r7. r11 might be used for
   argvec, therefore we copy argvec in r1 since r1 is clobbered
   after the call anyway.  */
#if defined(__GNUC__) && defined(__GCC_HAVE_DWARF2_CFI_ASM)
#  define __FRAME_POINTER                                         \
      ,"d"(__builtin_dwarf_cfa())
#  define VALGRIND_CFI_PROLOGUE                                   \
      ".cfi_remember_state\n\t"                                   \
      "lgr 1,%1\n\t" /* copy the argvec pointer in r1 */          \
      "lgr 7,11\n\t"                                              \
      "lgr 11,%2\n\t"                                             \
      ".cfi_def_cfa r11, 0\n\t"
#  define VALGRIND_CFI_EPILOGUE                                   \
      "lgr 11, 7\n\t"                                             \
      ".cfi_restore_state\n\t"
#else
#  define __FRAME_POINTER
#  define VALGRIND_CFI_PROLOGUE                                   \
      "lgr 1,%1\n\t"
#  define VALGRIND_CFI_EPILOGUE
#endif

/* Nb: On s390 the stack pointer is properly aligned *at all times*
   according to the s390 GCC maintainer. (The ABI specification is not
   precise in this regard.) Therefore, VALGRIND_ALIGN_STACK and
   VALGRIND_RESTORE_STACK are not defined here. */

/* These regs are trashed by the hidden call. Note that we overwrite
   r14 in s390_irgen_noredir (VEX/priv/guest_s390_irgen.c) to give the
   function a proper return address. All others are ABI defined call
   clobbers. */
#define __CALLER_SAVED_REGS "0","1","2","3","4","5","14", \
                           "f0","f1","f2","f3","f4","f5","f6","f7"

/* Nb: Although r11 is modified in the asm snippets below (inside 
   VALGRIND_CFI_PROLOGUE) it is not listed in the clobber section, for
   two reasons:
   (1) r11 is restored in VALGRIND_CFI_EPILOGUE, so effectively it is not
       modified
   (2) GCC will complain that r11 cannot appear inside a clobber section,
       when compiled with -O -fno-omit-frame-pointer
 */

#define CALL_FN_W_v(lval, orig)                                  \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long  _argvec[1];                        \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-160\n\t"                                      \
         "lg 1, 0(1)\n\t"  /* target->r1 */                      \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,160\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "d" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"7"     \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)

/* The call abi has the arguments in r2-r6 and stack */
#define CALL_FN_W_W(lval, orig, arg1)                            \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[2];                         \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-160\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,160\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"7"     \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)
gejun's avatar
gejun committed
3424

gejun's avatar
gejun committed
3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448
#define CALL_FN_W_WW(lval, orig, arg1, arg2)                     \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[3];                         \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-160\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,160\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"7"     \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)
gejun's avatar
gejun committed
3449

gejun's avatar
gejun committed
3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475
#define CALL_FN_W_WWW(lval, orig, arg1, arg2, arg3)              \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[4];                         \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-160\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,160\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"7"     \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)
gejun's avatar
gejun committed
3476

gejun's avatar
gejun committed
3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504
#define CALL_FN_W_WWWW(lval, orig, arg1, arg2, arg3, arg4)       \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[5];                         \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      _argvec[4] = (unsigned long)arg4;                          \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-160\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 5,32(1)\n\t"                                        \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,160\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"7"     \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)
gejun's avatar
gejun committed
3505

gejun's avatar
gejun committed
3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605
#define CALL_FN_W_5W(lval, orig, arg1, arg2, arg3, arg4, arg5)   \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[6];                         \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      _argvec[4] = (unsigned long)arg4;                          \
      _argvec[5] = (unsigned long)arg5;                          \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-160\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 5,32(1)\n\t"                                        \
         "lg 6,40(1)\n\t"                                        \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,160\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"6","7" \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)

#define CALL_FN_W_6W(lval, orig, arg1, arg2, arg3, arg4, arg5,   \
                     arg6)                                       \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[7];                         \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      _argvec[4] = (unsigned long)arg4;                          \
      _argvec[5] = (unsigned long)arg5;                          \
      _argvec[6] = (unsigned long)arg6;                          \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-168\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 5,32(1)\n\t"                                        \
         "lg 6,40(1)\n\t"                                        \
         "mvc 160(8,15), 48(1)\n\t"                              \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,168\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"6","7" \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)

#define CALL_FN_W_7W(lval, orig, arg1, arg2, arg3, arg4, arg5,   \
                     arg6, arg7)                                 \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[8];                         \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      _argvec[4] = (unsigned long)arg4;                          \
      _argvec[5] = (unsigned long)arg5;                          \
      _argvec[6] = (unsigned long)arg6;                          \
      _argvec[7] = (unsigned long)arg7;                          \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-176\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 5,32(1)\n\t"                                        \
         "lg 6,40(1)\n\t"                                        \
         "mvc 160(8,15), 48(1)\n\t"                              \
         "mvc 168(8,15), 56(1)\n\t"                              \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,176\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"6","7" \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)
gejun's avatar
gejun committed
3606

gejun's avatar
gejun committed
3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643
#define CALL_FN_W_8W(lval, orig, arg1, arg2, arg3, arg4, arg5,   \
                     arg6, arg7 ,arg8)                           \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[9];                         \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      _argvec[4] = (unsigned long)arg4;                          \
      _argvec[5] = (unsigned long)arg5;                          \
      _argvec[6] = (unsigned long)arg6;                          \
      _argvec[7] = (unsigned long)arg7;                          \
      _argvec[8] = (unsigned long)arg8;                          \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-184\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 5,32(1)\n\t"                                        \
         "lg 6,40(1)\n\t"                                        \
         "mvc 160(8,15), 48(1)\n\t"                              \
         "mvc 168(8,15), 56(1)\n\t"                              \
         "mvc 176(8,15), 64(1)\n\t"                              \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,184\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"6","7" \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)
gejun's avatar
gejun committed
3644

gejun's avatar
gejun committed
3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683
#define CALL_FN_W_9W(lval, orig, arg1, arg2, arg3, arg4, arg5,   \
                     arg6, arg7 ,arg8, arg9)                     \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[10];                        \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      _argvec[4] = (unsigned long)arg4;                          \
      _argvec[5] = (unsigned long)arg5;                          \
      _argvec[6] = (unsigned long)arg6;                          \
      _argvec[7] = (unsigned long)arg7;                          \
      _argvec[8] = (unsigned long)arg8;                          \
      _argvec[9] = (unsigned long)arg9;                          \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-192\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 5,32(1)\n\t"                                        \
         "lg 6,40(1)\n\t"                                        \
         "mvc 160(8,15), 48(1)\n\t"                              \
         "mvc 168(8,15), 56(1)\n\t"                              \
         "mvc 176(8,15), 64(1)\n\t"                              \
         "mvc 184(8,15), 72(1)\n\t"                              \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,192\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"6","7" \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)
gejun's avatar
gejun committed
3684

gejun's avatar
gejun committed
3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725
#define CALL_FN_W_10W(lval, orig, arg1, arg2, arg3, arg4, arg5,  \
                     arg6, arg7 ,arg8, arg9, arg10)              \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[11];                        \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      _argvec[4] = (unsigned long)arg4;                          \
      _argvec[5] = (unsigned long)arg5;                          \
      _argvec[6] = (unsigned long)arg6;                          \
      _argvec[7] = (unsigned long)arg7;                          \
      _argvec[8] = (unsigned long)arg8;                          \
      _argvec[9] = (unsigned long)arg9;                          \
      _argvec[10] = (unsigned long)arg10;                        \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-200\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 5,32(1)\n\t"                                        \
         "lg 6,40(1)\n\t"                                        \
         "mvc 160(8,15), 48(1)\n\t"                              \
         "mvc 168(8,15), 56(1)\n\t"                              \
         "mvc 176(8,15), 64(1)\n\t"                              \
         "mvc 184(8,15), 72(1)\n\t"                              \
         "mvc 192(8,15), 80(1)\n\t"                              \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,200\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"6","7" \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)
gejun's avatar
gejun committed
3726

gejun's avatar
gejun committed
3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830
#define CALL_FN_W_11W(lval, orig, arg1, arg2, arg3, arg4, arg5,  \
                     arg6, arg7 ,arg8, arg9, arg10, arg11)       \
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[12];                        \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      _argvec[4] = (unsigned long)arg4;                          \
      _argvec[5] = (unsigned long)arg5;                          \
      _argvec[6] = (unsigned long)arg6;                          \
      _argvec[7] = (unsigned long)arg7;                          \
      _argvec[8] = (unsigned long)arg8;                          \
      _argvec[9] = (unsigned long)arg9;                          \
      _argvec[10] = (unsigned long)arg10;                        \
      _argvec[11] = (unsigned long)arg11;                        \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-208\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 5,32(1)\n\t"                                        \
         "lg 6,40(1)\n\t"                                        \
         "mvc 160(8,15), 48(1)\n\t"                              \
         "mvc 168(8,15), 56(1)\n\t"                              \
         "mvc 176(8,15), 64(1)\n\t"                              \
         "mvc 184(8,15), 72(1)\n\t"                              \
         "mvc 192(8,15), 80(1)\n\t"                              \
         "mvc 200(8,15), 88(1)\n\t"                              \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,208\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"6","7" \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)

#define CALL_FN_W_12W(lval, orig, arg1, arg2, arg3, arg4, arg5,  \
                     arg6, arg7 ,arg8, arg9, arg10, arg11, arg12)\
   do {                                                          \
      volatile OrigFn        _orig = (orig);                     \
      volatile unsigned long _argvec[13];                        \
      volatile unsigned long _res;                               \
      _argvec[0] = (unsigned long)_orig.nraddr;                  \
      _argvec[1] = (unsigned long)arg1;                          \
      _argvec[2] = (unsigned long)arg2;                          \
      _argvec[3] = (unsigned long)arg3;                          \
      _argvec[4] = (unsigned long)arg4;                          \
      _argvec[5] = (unsigned long)arg5;                          \
      _argvec[6] = (unsigned long)arg6;                          \
      _argvec[7] = (unsigned long)arg7;                          \
      _argvec[8] = (unsigned long)arg8;                          \
      _argvec[9] = (unsigned long)arg9;                          \
      _argvec[10] = (unsigned long)arg10;                        \
      _argvec[11] = (unsigned long)arg11;                        \
      _argvec[12] = (unsigned long)arg12;                        \
      __asm__ volatile(                                          \
         VALGRIND_CFI_PROLOGUE                                   \
         "aghi 15,-216\n\t"                                      \
         "lg 2, 8(1)\n\t"                                        \
         "lg 3,16(1)\n\t"                                        \
         "lg 4,24(1)\n\t"                                        \
         "lg 5,32(1)\n\t"                                        \
         "lg 6,40(1)\n\t"                                        \
         "mvc 160(8,15), 48(1)\n\t"                              \
         "mvc 168(8,15), 56(1)\n\t"                              \
         "mvc 176(8,15), 64(1)\n\t"                              \
         "mvc 184(8,15), 72(1)\n\t"                              \
         "mvc 192(8,15), 80(1)\n\t"                              \
         "mvc 200(8,15), 88(1)\n\t"                              \
         "mvc 208(8,15), 96(1)\n\t"                              \
         "lg 1, 0(1)\n\t"                                        \
         VALGRIND_CALL_NOREDIR_R1                                \
         "lgr %0, 2\n\t"                                         \
         "aghi 15,216\n\t"                                       \
         VALGRIND_CFI_EPILOGUE                                   \
         : /*out*/   "=d" (_res)                                 \
         : /*in*/    "a" (&_argvec[0]) __FRAME_POINTER           \
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS,"6","7" \
      );                                                         \
      lval = (__typeof__(lval)) _res;                            \
   } while (0)


#endif /* PLAT_s390x_linux */

/* ------------------------- mips-linux ------------------------- */
 
#if defined(PLAT_mips32_linux)

/* These regs are trashed by the hidden call. */
#define __CALLER_SAVED_REGS "$2", "$3", "$4", "$5", "$6",       \
"$7", "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24", \
"$25", "$31"

/* These CALL_FN_ macros assume that on mips-linux, sizeof(unsigned
   long) == 4. */
gejun's avatar
gejun committed
3831 3832 3833 3834

#define CALL_FN_W_v(lval, orig)                                   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3835
      volatile unsigned long _argvec[1];                          \
gejun's avatar
gejun committed
3836
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3837
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
gejun's avatar
gejun committed
3838
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
        "subu $29, $29, 16 \n\t"                                 \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $29, $29, 16\n\t"                                  \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $29, $29, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
3850
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3851
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
3852 3853 3854 3855 3856 3857 3858 3859
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_W(lval, orig, arg1)                             \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3860
     volatile unsigned long _argvec[2];                           \
gejun's avatar
gejun committed
3861
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3862 3863
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
gejun's avatar
gejun committed
3864
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "subu $29, $29, 16 \n\t"                                 \
         "lw $a0, 4(%1) \n\t"   /* arg1*/                         \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $29, $29, 16 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $29, $29, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
3877
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3878 3879
        : /*in*/    "0" (&_argvec[0])                             \
         : /*trash*/ "cc", "memory",  __CALLER_SAVED_REGS         \
gejun's avatar
gejun committed
3880 3881 3882 3883 3884 3885 3886
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WW(lval, orig, arg1,arg2)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3887
      volatile unsigned long _argvec[3];                          \
gejun's avatar
gejun committed
3888
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3889 3890 3891
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
gejun's avatar
gejun committed
3892
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "subu $29, $29, 16 \n\t"                                 \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $29, $29, 16 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $29, $29, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
3906
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3907
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
3908 3909 3910 3911 3912 3913 3914 3915
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WWW(lval, orig, arg1,arg2,arg3)                 \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3916
      volatile unsigned long _argvec[4];                          \
gejun's avatar
gejun committed
3917
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3918 3919 3920 3921
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
gejun's avatar
gejun committed
3922
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "subu $29, $29, 16 \n\t"                                 \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $29, $29, 16 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $29, $29, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
3937
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3938
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
3939 3940 3941 3942 3943 3944 3945 3946
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_WWWW(lval, orig, arg1,arg2,arg3,arg4)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3947
      volatile unsigned long _argvec[5];                          \
gejun's avatar
gejun committed
3948
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3949 3950 3951 3952 3953
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
gejun's avatar
gejun committed
3954
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967 3968 3969
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "subu $29, $29, 16 \n\t"                                 \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $a3, 16(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $29, $29, 16 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $29, $29, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
3970
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
3971
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
3972 3973 3974 3975 3976 3977 3978 3979
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_5W(lval, orig, arg1,arg2,arg3,arg4,arg5)        \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
3980
      volatile unsigned long _argvec[6];                          \
gejun's avatar
gejun committed
3981
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
3982 3983 3984 3985 3986 3987
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
gejun's avatar
gejun committed
3988
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "lw $a0, 20(%1) \n\t"                                    \
         "subu $sp, $sp, 24\n\t"                                  \
         "sw $a0, 16($sp) \n\t"                                   \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $a3, 16(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $29, $29, 24 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $sp, $sp, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
4006
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
4007
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
4008 4009 4010 4011 4012 4013 4014
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)
#define CALL_FN_W_6W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6)   \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
4015
      volatile unsigned long _argvec[7];                          \
gejun's avatar
gejun committed
4016
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
4017 4018 4019 4020 4021 4022 4023
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
gejun's avatar
gejun committed
4024
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
4025 4026 4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "lw $a0, 20(%1) \n\t"                                    \
         "subu $sp, $sp, 32\n\t"                                  \
         "sw $a0, 16($sp) \n\t"                                   \
         "lw $a0, 24(%1) \n\t"                                    \
         "nop\n\t"                                                \
         "sw $a0, 20($sp) \n\t"                                   \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $a3, 16(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $sp, $sp, 32 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $sp, $sp, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
4045
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
4046
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
4047 4048 4049 4050 4051 4052 4053 4054 4055
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_7W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7)                            \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
4056
      volatile unsigned long _argvec[8];                          \
gejun's avatar
gejun committed
4057
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
4058 4059 4060 4061 4062 4063 4064 4065
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
gejun's avatar
gejun committed
4066
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "lw $a0, 20(%1) \n\t"                                    \
         "subu $sp, $sp, 32\n\t"                                  \
         "sw $a0, 16($sp) \n\t"                                   \
         "lw $a0, 24(%1) \n\t"                                    \
         "sw $a0, 20($sp) \n\t"                                   \
         "lw $a0, 28(%1) \n\t"                                    \
         "sw $a0, 24($sp) \n\t"                                   \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $a3, 16(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $sp, $sp, 32 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $sp, $sp, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
4088
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
4089
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
4090 4091 4092 4093 4094 4095 4096 4097 4098
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_8W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8)                       \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
4099
      volatile unsigned long _argvec[9];                          \
gejun's avatar
gejun committed
4100
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
4101 4102 4103 4104 4105 4106 4107 4108 4109
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
gejun's avatar
gejun committed
4110
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129 4130 4131 4132 4133
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "lw $a0, 20(%1) \n\t"                                    \
         "subu $sp, $sp, 40\n\t"                                  \
         "sw $a0, 16($sp) \n\t"                                   \
         "lw $a0, 24(%1) \n\t"                                    \
         "sw $a0, 20($sp) \n\t"                                   \
         "lw $a0, 28(%1) \n\t"                                    \
         "sw $a0, 24($sp) \n\t"                                   \
         "lw $a0, 32(%1) \n\t"                                    \
         "sw $a0, 28($sp) \n\t"                                   \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $a3, 16(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $sp, $sp, 40 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $sp, $sp, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
4134
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
4135
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
4136 4137 4138 4139 4140 4141 4142 4143
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_9W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,   \
                                 arg7,arg8,arg9)                  \
   do {                                                           \
gejun's avatar
gejun committed
4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178 4179 4180 4181 4182
      volatile OrigFn        _orig = (orig);                      \
      volatile unsigned long _argvec[10];                         \
      volatile unsigned long _res;                                \
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      __asm__ volatile(                                           \
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "lw $a0, 20(%1) \n\t"                                    \
         "subu $sp, $sp, 40\n\t"                                  \
         "sw $a0, 16($sp) \n\t"                                   \
         "lw $a0, 24(%1) \n\t"                                    \
         "sw $a0, 20($sp) \n\t"                                   \
         "lw $a0, 28(%1) \n\t"                                    \
         "sw $a0, 24($sp) \n\t"                                   \
         "lw $a0, 32(%1) \n\t"                                    \
         "sw $a0, 28($sp) \n\t"                                   \
         "lw $a0, 36(%1) \n\t"                                    \
         "sw $a0, 32($sp) \n\t"                                   \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $a3, 16(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $sp, $sp, 40 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $sp, $sp, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
4183
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
4184
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
4185 4186 4187 4188 4189 4190 4191 4192 4193
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

#define CALL_FN_W_10W(lval, orig, arg1,arg2,arg3,arg4,arg5,arg6,  \
                                  arg7,arg8,arg9,arg10)           \
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
4194
      volatile unsigned long _argvec[11];                         \
gejun's avatar
gejun committed
4195
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      _argvec[10] = (unsigned long)(arg10);                       \
gejun's avatar
gejun committed
4207
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
4208 4209 4210 4211 4212 4213 4214 4215 4216 4217 4218 4219 4220 4221 4222 4223 4224 4225 4226 4227 4228 4229 4230 4231 4232 4233 4234
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "lw $a0, 20(%1) \n\t"                                    \
         "subu $sp, $sp, 48\n\t"                                  \
         "sw $a0, 16($sp) \n\t"                                   \
         "lw $a0, 24(%1) \n\t"                                    \
         "sw $a0, 20($sp) \n\t"                                   \
         "lw $a0, 28(%1) \n\t"                                    \
         "sw $a0, 24($sp) \n\t"                                   \
         "lw $a0, 32(%1) \n\t"                                    \
         "sw $a0, 28($sp) \n\t"                                   \
         "lw $a0, 36(%1) \n\t"                                    \
         "sw $a0, 32($sp) \n\t"                                   \
         "lw $a0, 40(%1) \n\t"                                    \
         "sw $a0, 36($sp) \n\t"                                   \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $a3, 16(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $sp, $sp, 48 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $sp, $sp, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
4235
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
4236
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
4237 4238 4239 4240 4241
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

gejun's avatar
gejun committed
4242 4243 4244
#define CALL_FN_W_11W(lval, orig, arg1,arg2,arg3,arg4,arg5,       \
                                  arg6,arg7,arg8,arg9,arg10,      \
                                  arg11)                          \
gejun's avatar
gejun committed
4245 4246
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
4247
      volatile unsigned long _argvec[12];                         \
gejun's avatar
gejun committed
4248
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      _argvec[10] = (unsigned long)(arg10);                       \
      _argvec[11] = (unsigned long)(arg11);                       \
gejun's avatar
gejun committed
4261
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "lw $a0, 20(%1) \n\t"                                    \
         "subu $sp, $sp, 48\n\t"                                  \
         "sw $a0, 16($sp) \n\t"                                   \
         "lw $a0, 24(%1) \n\t"                                    \
         "sw $a0, 20($sp) \n\t"                                   \
         "lw $a0, 28(%1) \n\t"                                    \
         "sw $a0, 24($sp) \n\t"                                   \
         "lw $a0, 32(%1) \n\t"                                    \
         "sw $a0, 28($sp) \n\t"                                   \
         "lw $a0, 36(%1) \n\t"                                    \
         "sw $a0, 32($sp) \n\t"                                   \
         "lw $a0, 40(%1) \n\t"                                    \
         "sw $a0, 36($sp) \n\t"                                   \
         "lw $a0, 44(%1) \n\t"                                    \
         "sw $a0, 40($sp) \n\t"                                   \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $a3, 16(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $sp, $sp, 48 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $sp, $sp, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
4291
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
4292
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
4293 4294 4295 4296 4297
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

gejun's avatar
gejun committed
4298 4299 4300
#define CALL_FN_W_12W(lval, orig, arg1,arg2,arg3,arg4,arg5,       \
                                  arg6,arg7,arg8,arg9,arg10,      \
                                  arg11,arg12)                    \
gejun's avatar
gejun committed
4301 4302
   do {                                                           \
      volatile OrigFn        _orig = (orig);                      \
gejun's avatar
gejun committed
4303
      volatile unsigned long _argvec[13];                         \
gejun's avatar
gejun committed
4304
      volatile unsigned long _res;                                \
gejun's avatar
gejun committed
4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317
      _argvec[0] = (unsigned long)_orig.nraddr;                   \
      _argvec[1] = (unsigned long)(arg1);                         \
      _argvec[2] = (unsigned long)(arg2);                         \
      _argvec[3] = (unsigned long)(arg3);                         \
      _argvec[4] = (unsigned long)(arg4);                         \
      _argvec[5] = (unsigned long)(arg5);                         \
      _argvec[6] = (unsigned long)(arg6);                         \
      _argvec[7] = (unsigned long)(arg7);                         \
      _argvec[8] = (unsigned long)(arg8);                         \
      _argvec[9] = (unsigned long)(arg9);                         \
      _argvec[10] = (unsigned long)(arg10);                       \
      _argvec[11] = (unsigned long)(arg11);                       \
      _argvec[12] = (unsigned long)(arg12);                       \
gejun's avatar
gejun committed
4318
      __asm__ volatile(                                           \
gejun's avatar
gejun committed
4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349
         "subu $29, $29, 8 \n\t"                                  \
         "sw $gp, 0($sp) \n\t"                                    \
         "sw $ra, 4($sp) \n\t"                                    \
         "lw $a0, 20(%1) \n\t"                                    \
         "subu $sp, $sp, 56\n\t"                                  \
         "sw $a0, 16($sp) \n\t"                                   \
         "lw $a0, 24(%1) \n\t"                                    \
         "sw $a0, 20($sp) \n\t"                                   \
         "lw $a0, 28(%1) \n\t"                                    \
         "sw $a0, 24($sp) \n\t"                                   \
         "lw $a0, 32(%1) \n\t"                                    \
         "sw $a0, 28($sp) \n\t"                                   \
         "lw $a0, 36(%1) \n\t"                                    \
         "sw $a0, 32($sp) \n\t"                                   \
         "lw $a0, 40(%1) \n\t"                                    \
         "sw $a0, 36($sp) \n\t"                                   \
         "lw $a0, 44(%1) \n\t"                                    \
         "sw $a0, 40($sp) \n\t"                                   \
         "lw $a0, 48(%1) \n\t"                                    \
         "sw $a0, 44($sp) \n\t"                                   \
         "lw $a0, 4(%1) \n\t"                                     \
         "lw $a1, 8(%1) \n\t"                                     \
         "lw $a2, 12(%1) \n\t"                                    \
         "lw $a3, 16(%1) \n\t"                                    \
         "lw $t9, 0(%1) \n\t"  /* target->t9 */                   \
         VALGRIND_CALL_NOREDIR_T9                                 \
         "addu $sp, $sp, 56 \n\t"                                 \
         "lw $gp, 0($sp) \n\t"                                    \
         "lw $ra, 4($sp) \n\t"                                    \
         "addu $sp, $sp, 8 \n\t"                                  \
         "move %0, $v0\n"                                         \
gejun's avatar
gejun committed
4350
         : /*out*/   "=r" (_res)                                  \
gejun's avatar
gejun committed
4351
         : /*in*/    "0" (&_argvec[0])                            \
gejun's avatar
gejun committed
4352 4353 4354 4355 4356
         : /*trash*/ "cc", "memory", __CALLER_SAVED_REGS          \
      );                                                          \
      lval = (__typeof__(lval)) _res;                             \
   } while (0)

gejun's avatar
gejun committed
4357
#endif /* PLAT_mips32_linux */
gejun's avatar
gejun committed
4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388 4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402


/* ------------------------------------------------------------------ */
/* ARCHITECTURE INDEPENDENT MACROS for CLIENT REQUESTS.               */
/*                                                                    */
/* ------------------------------------------------------------------ */

/* Some request codes.  There are many more of these, but most are not
   exposed to end-user view.  These are the public ones, all of the
   form 0x1000 + small_number.

   Core ones are in the range 0x00000000--0x0000ffff.  The non-public
   ones start at 0x2000.
*/

/* These macros are used by tools -- they must be public, but don't
   embed them into other programs. */
#define VG_USERREQ_TOOL_BASE(a,b) \
   ((unsigned int)(((a)&0xff) << 24 | ((b)&0xff) << 16))
#define VG_IS_TOOL_USERREQ(a, b, v) \
   (VG_USERREQ_TOOL_BASE(a,b) == ((v) & 0xffff0000))

/* !! ABIWARNING !! ABIWARNING !! ABIWARNING !! ABIWARNING !! 
   This enum comprises an ABI exported by Valgrind to programs
   which use client requests.  DO NOT CHANGE THE ORDER OF THESE
   ENTRIES, NOR DELETE ANY -- add new ones at the end. */
typedef
   enum { VG_USERREQ__RUNNING_ON_VALGRIND  = 0x1001,
          VG_USERREQ__DISCARD_TRANSLATIONS = 0x1002,

          /* These allow any function to be called from the simulated
             CPU but run on the real CPU.  Nb: the first arg passed to
             the function is always the ThreadId of the running
             thread!  So CLIENT_CALL0 actually requires a 1 arg
             function, etc. */
          VG_USERREQ__CLIENT_CALL0 = 0x1101,
          VG_USERREQ__CLIENT_CALL1 = 0x1102,
          VG_USERREQ__CLIENT_CALL2 = 0x1103,
          VG_USERREQ__CLIENT_CALL3 = 0x1104,

          /* Can be useful in regression testing suites -- eg. can
             send Valgrind's output to /dev/null and still count
             errors. */
          VG_USERREQ__COUNT_ERRORS = 0x1201,

gejun's avatar
gejun committed
4403 4404 4405 4406
          /* Allows a string (gdb monitor command) to be passed to the tool
             Used for interaction with vgdb/gdb */
          VG_USERREQ__GDB_MONITOR_COMMAND = 0x1202,

gejun's avatar
gejun committed
4407 4408 4409
          /* These are useful and can be interpreted by any tool that
             tracks malloc() et al, by using vg_replace_malloc.c. */
          VG_USERREQ__MALLOCLIKE_BLOCK = 0x1301,
gejun's avatar
gejun committed
4410
          VG_USERREQ__RESIZEINPLACE_BLOCK = 0x130b,
gejun's avatar
gejun committed
4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443
          VG_USERREQ__FREELIKE_BLOCK   = 0x1302,
          /* Memory pool support. */
          VG_USERREQ__CREATE_MEMPOOL   = 0x1303,
          VG_USERREQ__DESTROY_MEMPOOL  = 0x1304,
          VG_USERREQ__MEMPOOL_ALLOC    = 0x1305,
          VG_USERREQ__MEMPOOL_FREE     = 0x1306,
          VG_USERREQ__MEMPOOL_TRIM     = 0x1307,
          VG_USERREQ__MOVE_MEMPOOL     = 0x1308,
          VG_USERREQ__MEMPOOL_CHANGE   = 0x1309,
          VG_USERREQ__MEMPOOL_EXISTS   = 0x130a,

          /* Allow printfs to valgrind log. */
          /* The first two pass the va_list argument by value, which
             assumes it is the same size as or smaller than a UWord,
             which generally isn't the case.  Hence are deprecated.
             The second two pass the vargs by reference and so are
             immune to this problem. */
          /* both :: char* fmt, va_list vargs (DEPRECATED) */
          VG_USERREQ__PRINTF           = 0x1401,
          VG_USERREQ__PRINTF_BACKTRACE = 0x1402,
          /* both :: char* fmt, va_list* vargs */
          VG_USERREQ__PRINTF_VALIST_BY_REF = 0x1403,
          VG_USERREQ__PRINTF_BACKTRACE_VALIST_BY_REF = 0x1404,

          /* Stack support. */
          VG_USERREQ__STACK_REGISTER   = 0x1501,
          VG_USERREQ__STACK_DEREGISTER = 0x1502,
          VG_USERREQ__STACK_CHANGE     = 0x1503,

          /* Wine support */
          VG_USERREQ__LOAD_PDB_DEBUGINFO = 0x1601,

          /* Querying of debug info. */
gejun's avatar
gejun committed
4444 4445 4446 4447 4448 4449 4450 4451
          VG_USERREQ__MAP_IP_TO_SRCLOC = 0x1701,

          /* Disable/enable error reporting level.  Takes a single
             Word arg which is the delta to this thread's error
             disablement indicator.  Hence 1 disables or further
             disables errors, and -1 moves back towards enablement.
             Other values are not allowed. */
          VG_USERREQ__CHANGE_ERR_DISABLEMENT = 0x1801
gejun's avatar
gejun committed
4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463
   } Vg_ClientRequest;

#if !defined(__GNUC__)
#  define __extension__ /* */
#endif


/* Returns the number of Valgrinds this code is running under.  That
   is, 0 if running natively, 1 if running under Valgrind, 2 if
   running under Valgrind which is running under another Valgrind,
   etc. */
#define RUNNING_ON_VALGRIND                                           \
gejun's avatar
gejun committed
4464
    (unsigned)VALGRIND_DO_CLIENT_REQUEST_EXPR(0 /* if not */,         \
gejun's avatar
gejun committed
4465 4466 4467 4468 4469 4470 4471 4472
                                    VG_USERREQ__RUNNING_ON_VALGRIND,  \
                                    0, 0, 0, 0, 0)                    \


/* Discard translation of code in the range [_qzz_addr .. _qzz_addr +
   _qzz_len - 1].  Useful if you are debugging a JITter or some such,
   since it provides a way to make sure valgrind will retranslate the
   invalidated area.  Returns no value. */
gejun's avatar
gejun committed
4473 4474 4475
#define VALGRIND_DISCARD_TRANSLATIONS(_qzz_addr,_qzz_len)              \
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__DISCARD_TRANSLATIONS,  \
                                    _qzz_addr, _qzz_len, 0, 0, 0)
gejun's avatar
gejun committed
4476 4477 4478 4479 4480 4481 4482


/* These requests are for getting Valgrind itself to print something.
   Possibly with a backtrace.  This is a really ugly hack.  The return value
   is the number of characters printed, excluding the "**<pid>** " part at the
   start and the backtrace (if present). */

gejun's avatar
gejun committed
4483
#if defined(__GNUC__) || defined(__INTEL_COMPILER) && !defined(_MSC_VER)
gejun's avatar
gejun committed
4484 4485 4486 4487 4488 4489 4490 4491 4492 4493 4494
/* Modern GCC will optimize the static routine out if unused,
   and unused attribute will shut down warnings about it.  */
static int VALGRIND_PRINTF(const char *format, ...)
   __attribute__((format(__printf__, 1, 2), __unused__));
#endif
static int
#if defined(_MSC_VER)
__inline
#endif
VALGRIND_PRINTF(const char *format, ...)
{
gejun's avatar
gejun committed
4495 4496 4497 4498 4499 4500
#if defined(NVALGRIND)
   return 0;
#else /* NVALGRIND */
#if defined(_MSC_VER)
   uintptr_t _qzz_res;
#else
gejun's avatar
gejun committed
4501
   unsigned long _qzz_res;
gejun's avatar
gejun committed
4502
#endif
gejun's avatar
gejun committed
4503 4504 4505
   va_list vargs;
   va_start(vargs, format);
#if defined(_MSC_VER)
gejun's avatar
gejun committed
4506
   _qzz_res = VALGRIND_DO_CLIENT_REQUEST_EXPR(0,
gejun's avatar
gejun committed
4507 4508 4509 4510 4511
                              VG_USERREQ__PRINTF_VALIST_BY_REF,
                              (uintptr_t)format,
                              (uintptr_t)&vargs,
                              0, 0, 0);
#else
gejun's avatar
gejun committed
4512
   _qzz_res = VALGRIND_DO_CLIENT_REQUEST_EXPR(0,
gejun's avatar
gejun committed
4513 4514 4515 4516 4517 4518 4519
                              VG_USERREQ__PRINTF_VALIST_BY_REF,
                              (unsigned long)format,
                              (unsigned long)&vargs, 
                              0, 0, 0);
#endif
   va_end(vargs);
   return (int)_qzz_res;
gejun's avatar
gejun committed
4520
#endif /* NVALGRIND */
gejun's avatar
gejun committed
4521 4522
}

gejun's avatar
gejun committed
4523
#if defined(__GNUC__) || defined(__INTEL_COMPILER) && !defined(_MSC_VER)
gejun's avatar
gejun committed
4524 4525 4526 4527 4528 4529 4530 4531 4532
static int VALGRIND_PRINTF_BACKTRACE(const char *format, ...)
   __attribute__((format(__printf__, 1, 2), __unused__));
#endif
static int
#if defined(_MSC_VER)
__inline
#endif
VALGRIND_PRINTF_BACKTRACE(const char *format, ...)
{
gejun's avatar
gejun committed
4533 4534 4535 4536 4537 4538
#if defined(NVALGRIND)
   return 0;
#else /* NVALGRIND */
#if defined(_MSC_VER)
   uintptr_t _qzz_res;
#else
gejun's avatar
gejun committed
4539
   unsigned long _qzz_res;
gejun's avatar
gejun committed
4540
#endif
gejun's avatar
gejun committed
4541 4542 4543
   va_list vargs;
   va_start(vargs, format);
#if defined(_MSC_VER)
gejun's avatar
gejun committed
4544
   _qzz_res = VALGRIND_DO_CLIENT_REQUEST_EXPR(0,
gejun's avatar
gejun committed
4545 4546 4547 4548 4549
                              VG_USERREQ__PRINTF_BACKTRACE_VALIST_BY_REF,
                              (uintptr_t)format,
                              (uintptr_t)&vargs,
                              0, 0, 0);
#else
gejun's avatar
gejun committed
4550
   _qzz_res = VALGRIND_DO_CLIENT_REQUEST_EXPR(0,
gejun's avatar
gejun committed
4551 4552 4553 4554 4555 4556 4557 4558
                              VG_USERREQ__PRINTF_BACKTRACE_VALIST_BY_REF,
                              (unsigned long)format,
                              (unsigned long)&vargs, 
                              0, 0, 0);
#endif
   va_end(vargs);
   return (int)_qzz_res;
#endif /* NVALGRIND */
gejun's avatar
gejun committed
4559
}
gejun's avatar
gejun committed
4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585


/* These requests allow control to move from the simulated CPU to the
   real CPU, calling an arbitary function.
   
   Note that the current ThreadId is inserted as the first argument.
   So this call:

     VALGRIND_NON_SIMD_CALL2(f, arg1, arg2)

   requires f to have this signature:

     Word f(Word tid, Word arg1, Word arg2)

   where "Word" is a word-sized type.

   Note that these client requests are not entirely reliable.  For example,
   if you call a function with them that subsequently calls printf(),
   there's a high chance Valgrind will crash.  Generally, your prospects of
   these working are made higher if the called function does not refer to
   any global variables, and does not refer to any libc or other functions
   (printf et al).  Any kind of entanglement with libc or dynamic linking is
   likely to have a bad outcome, for tricky reasons which we've grappled
   with a lot in the past.
*/
#define VALGRIND_NON_SIMD_CALL0(_qyy_fn)                          \
gejun's avatar
gejun committed
4586 4587 4588 4589 4590 4591 4592 4593 4594 4595 4596 4597 4598 4599 4600 4601
    VALGRIND_DO_CLIENT_REQUEST_EXPR(0 /* default return */,       \
                                    VG_USERREQ__CLIENT_CALL0,     \
                                    _qyy_fn,                      \
                                    0, 0, 0, 0)

#define VALGRIND_NON_SIMD_CALL1(_qyy_fn, _qyy_arg1)                    \
    VALGRIND_DO_CLIENT_REQUEST_EXPR(0 /* default return */,            \
                                    VG_USERREQ__CLIENT_CALL1,          \
                                    _qyy_fn,                           \
                                    _qyy_arg1, 0, 0, 0)

#define VALGRIND_NON_SIMD_CALL2(_qyy_fn, _qyy_arg1, _qyy_arg2)         \
    VALGRIND_DO_CLIENT_REQUEST_EXPR(0 /* default return */,            \
                                    VG_USERREQ__CLIENT_CALL2,          \
                                    _qyy_fn,                           \
                                    _qyy_arg1, _qyy_arg2, 0, 0)
gejun's avatar
gejun committed
4602 4603

#define VALGRIND_NON_SIMD_CALL3(_qyy_fn, _qyy_arg1, _qyy_arg2, _qyy_arg3) \
gejun's avatar
gejun committed
4604 4605 4606 4607 4608
    VALGRIND_DO_CLIENT_REQUEST_EXPR(0 /* default return */,             \
                                    VG_USERREQ__CLIENT_CALL3,           \
                                    _qyy_fn,                            \
                                    _qyy_arg1, _qyy_arg2,               \
                                    _qyy_arg3, 0)
gejun's avatar
gejun committed
4609 4610 4611 4612 4613 4614


/* Counts the number of errors that have been recorded by a tool.  Nb:
   the tool must record the errors with VG_(maybe_record_error)() or
   VG_(unique_error)() for them to be counted. */
#define VALGRIND_COUNT_ERRORS                                     \
gejun's avatar
gejun committed
4615 4616
    (unsigned)VALGRIND_DO_CLIENT_REQUEST_EXPR(                    \
                               0 /* default return */,            \
gejun's avatar
gejun committed
4617
                               VG_USERREQ__COUNT_ERRORS,          \
gejun's avatar
gejun committed
4618
                               0, 0, 0, 0, 0)
gejun's avatar
gejun committed
4619 4620 4621 4622 4623 4624 4625 4626 4627 4628 4629 4630 4631 4632 4633 4634 4635 4636 4637 4638 4639 4640 4641 4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655 4656 4657 4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678 4679 4680 4681 4682 4683

/* Several Valgrind tools (Memcheck, Massif, Helgrind, DRD) rely on knowing
   when heap blocks are allocated in order to give accurate results.  This
   happens automatically for the standard allocator functions such as
   malloc(), calloc(), realloc(), memalign(), new, new[], free(), delete,
   delete[], etc.

   But if your program uses a custom allocator, this doesn't automatically
   happen, and Valgrind will not do as well.  For example, if you allocate
   superblocks with mmap() and then allocates chunks of the superblocks, all
   Valgrind's observations will be at the mmap() level and it won't know that
   the chunks should be considered separate entities.  In Memcheck's case,
   that means you probably won't get heap block overrun detection (because
   there won't be redzones marked as unaddressable) and you definitely won't
   get any leak detection.

   The following client requests allow a custom allocator to be annotated so
   that it can be handled accurately by Valgrind.

   VALGRIND_MALLOCLIKE_BLOCK marks a region of memory as having been allocated
   by a malloc()-like function.  For Memcheck (an illustrative case), this
   does two things:

   - It records that the block has been allocated.  This means any addresses
     within the block mentioned in error messages will be
     identified as belonging to the block.  It also means that if the block
     isn't freed it will be detected by the leak checker.

   - It marks the block as being addressable and undefined (if 'is_zeroed' is
     not set), or addressable and defined (if 'is_zeroed' is set).  This
     controls how accesses to the block by the program are handled.
   
   'addr' is the start of the usable block (ie. after any
   redzone), 'sizeB' is its size.  'rzB' is the redzone size if the allocator
   can apply redzones -- these are blocks of padding at the start and end of
   each block.  Adding redzones is recommended as it makes it much more likely
   Valgrind will spot block overruns.  `is_zeroed' indicates if the memory is
   zeroed (or filled with another predictable value), as is the case for
   calloc().
   
   VALGRIND_MALLOCLIKE_BLOCK should be put immediately after the point where a
   heap block -- that will be used by the client program -- is allocated.
   It's best to put it at the outermost level of the allocator if possible;
   for example, if you have a function my_alloc() which calls
   internal_alloc(), and the client request is put inside internal_alloc(),
   stack traces relating to the heap block will contain entries for both
   my_alloc() and internal_alloc(), which is probably not what you want.

   For Memcheck users: if you use VALGRIND_MALLOCLIKE_BLOCK to carve out
   custom blocks from within a heap block, B, that has been allocated with
   malloc/calloc/new/etc, then block B will be *ignored* during leak-checking
   -- the custom blocks will take precedence.

   VALGRIND_FREELIKE_BLOCK is the partner to VALGRIND_MALLOCLIKE_BLOCK.  For
   Memcheck, it does two things:

   - It records that the block has been deallocated.  This assumes that the
     block was annotated as having been allocated via
     VALGRIND_MALLOCLIKE_BLOCK.  Otherwise, an error will be issued.

   - It marks the block as being unaddressable.

   VALGRIND_FREELIKE_BLOCK should be put immediately after the point where a
   heap block is deallocated.

gejun's avatar
gejun committed
4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701
   VALGRIND_RESIZEINPLACE_BLOCK informs a tool about reallocation. For
   Memcheck, it does four things:

   - It records that the size of a block has been changed.  This assumes that
     the block was annotated as having been allocated via
     VALGRIND_MALLOCLIKE_BLOCK.  Otherwise, an error will be issued.

   - If the block shrunk, it marks the freed memory as being unaddressable.

   - If the block grew, it marks the new area as undefined and defines a red
     zone past the end of the new block.

   - The V-bits of the overlap between the old and the new block are preserved.

   VALGRIND_RESIZEINPLACE_BLOCK should be put after allocation of the new block
   and before deallocation of the old block.

   In many cases, these three client requests will not be enough to get your
gejun's avatar
gejun committed
4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714 4715 4716 4717 4718 4719 4720
   allocator working well with Memcheck.  More specifically, if your allocator
   writes to freed blocks in any way then a VALGRIND_MAKE_MEM_UNDEFINED call
   will be necessary to mark the memory as addressable just before the zeroing
   occurs, otherwise you'll get a lot of invalid write errors.  For example,
   you'll need to do this if your allocator recycles freed blocks, but it
   zeroes them before handing them back out (via VALGRIND_MALLOCLIKE_BLOCK).
   Alternatively, if your allocator reuses freed blocks for allocator-internal
   data structures, VALGRIND_MAKE_MEM_UNDEFINED calls will also be necessary.

   Really, what's happening is a blurring of the lines between the client
   program and the allocator... after VALGRIND_FREELIKE_BLOCK is called, the
   memory should be considered unaddressable to the client program, but the
   allocator knows more than the rest of the client program and so may be able
   to safely access it.  Extra client requests are necessary for Valgrind to
   understand the distinction between the allocator and the rest of the
   program.

   Ignored if addr == 0.
*/
gejun's avatar
gejun committed
4721 4722 4723
#define VALGRIND_MALLOCLIKE_BLOCK(addr, sizeB, rzB, is_zeroed)          \
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__MALLOCLIKE_BLOCK,       \
                                    addr, sizeB, rzB, is_zeroed, 0)
gejun's avatar
gejun committed
4724 4725 4726 4727

/* See the comment for VALGRIND_MALLOCLIKE_BLOCK for details.
   Ignored if addr == 0.
*/
gejun's avatar
gejun committed
4728 4729 4730 4731 4732 4733 4734 4735 4736 4737
#define VALGRIND_RESIZEINPLACE_BLOCK(addr, oldSizeB, newSizeB, rzB)     \
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__RESIZEINPLACE_BLOCK,    \
                                    addr, oldSizeB, newSizeB, rzB, 0)

/* See the comment for VALGRIND_MALLOCLIKE_BLOCK for details.
   Ignored if addr == 0.
*/
#define VALGRIND_FREELIKE_BLOCK(addr, rzB)                              \
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__FREELIKE_BLOCK,         \
                                    addr, rzB, 0, 0, 0)
gejun's avatar
gejun committed
4738 4739 4740

/* Create a memory pool. */
#define VALGRIND_CREATE_MEMPOOL(pool, rzB, is_zeroed)             \
gejun's avatar
gejun committed
4741 4742
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__CREATE_MEMPOOL,   \
                                    pool, rzB, is_zeroed, 0, 0)
gejun's avatar
gejun committed
4743 4744 4745

/* Destroy a memory pool. */
#define VALGRIND_DESTROY_MEMPOOL(pool)                            \
gejun's avatar
gejun committed
4746 4747
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__DESTROY_MEMPOOL,  \
                                    pool, 0, 0, 0, 0)
gejun's avatar
gejun committed
4748 4749 4750

/* Associate a piece of memory with a memory pool. */
#define VALGRIND_MEMPOOL_ALLOC(pool, addr, size)                  \
gejun's avatar
gejun committed
4751 4752
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__MEMPOOL_ALLOC,    \
                                    pool, addr, size, 0, 0)
gejun's avatar
gejun committed
4753 4754 4755

/* Disassociate a piece of memory from a memory pool. */
#define VALGRIND_MEMPOOL_FREE(pool, addr)                         \
gejun's avatar
gejun committed
4756 4757
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__MEMPOOL_FREE,     \
                                    pool, addr, 0, 0, 0)
gejun's avatar
gejun committed
4758 4759 4760

/* Disassociate any pieces outside a particular range. */
#define VALGRIND_MEMPOOL_TRIM(pool, addr, size)                   \
gejun's avatar
gejun committed
4761 4762
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__MEMPOOL_TRIM,     \
                                    pool, addr, size, 0, 0)
gejun's avatar
gejun committed
4763 4764 4765

/* Resize and/or move a piece associated with a memory pool. */
#define VALGRIND_MOVE_MEMPOOL(poolA, poolB)                       \
gejun's avatar
gejun committed
4766 4767
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__MOVE_MEMPOOL,     \
                                    poolA, poolB, 0, 0, 0)
gejun's avatar
gejun committed
4768 4769 4770

/* Resize and/or move a piece associated with a memory pool. */
#define VALGRIND_MEMPOOL_CHANGE(pool, addrA, addrB, size)         \
gejun's avatar
gejun committed
4771 4772
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__MEMPOOL_CHANGE,   \
                                    pool, addrA, addrB, size, 0)
gejun's avatar
gejun committed
4773 4774 4775

/* Return 1 if a mempool exists, else 0. */
#define VALGRIND_MEMPOOL_EXISTS(pool)                             \
gejun's avatar
gejun committed
4776
    (unsigned)VALGRIND_DO_CLIENT_REQUEST_EXPR(0,                  \
gejun's avatar
gejun committed
4777
                               VG_USERREQ__MEMPOOL_EXISTS,        \
gejun's avatar
gejun committed
4778
                               pool, 0, 0, 0, 0)
gejun's avatar
gejun committed
4779 4780 4781

/* Mark a piece of memory as being a stack. Returns a stack id. */
#define VALGRIND_STACK_REGISTER(start, end)                       \
gejun's avatar
gejun committed
4782
    (unsigned)VALGRIND_DO_CLIENT_REQUEST_EXPR(0,                  \
gejun's avatar
gejun committed
4783
                               VG_USERREQ__STACK_REGISTER,        \
gejun's avatar
gejun committed
4784
                               start, end, 0, 0, 0)
gejun's avatar
gejun committed
4785 4786 4787 4788

/* Unmark the piece of memory associated with a stack id as being a
   stack. */
#define VALGRIND_STACK_DEREGISTER(id)                             \
gejun's avatar
gejun committed
4789 4790
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__STACK_DEREGISTER, \
                                    id, 0, 0, 0, 0)
gejun's avatar
gejun committed
4791 4792 4793

/* Change the start and end address of the stack id. */
#define VALGRIND_STACK_CHANGE(id, start, end)                     \
gejun's avatar
gejun committed
4794 4795
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__STACK_CHANGE,     \
                                    id, start, end, 0, 0)
gejun's avatar
gejun committed
4796 4797

/* Load PDB debug info for Wine PE image_map. */
gejun's avatar
gejun committed
4798 4799 4800
#define VALGRIND_LOAD_PDB_DEBUGINFO(fd, ptr, total_size, delta)     \
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__LOAD_PDB_DEBUGINFO, \
                                    fd, ptr, total_size, delta, 0)
gejun's avatar
gejun committed
4801 4802 4803 4804 4805 4806

/* Map a code address to a source file name and line number.  buf64
   must point to a 64-byte buffer in the caller's address space.  The
   result will be dumped in there and is guaranteed to be zero
   terminated.  If no info is found, the first byte is set to zero. */
#define VALGRIND_MAP_IP_TO_SRCLOC(addr, buf64)                    \
gejun's avatar
gejun committed
4807
    (unsigned)VALGRIND_DO_CLIENT_REQUEST_EXPR(0,                  \
gejun's avatar
gejun committed
4808
                               VG_USERREQ__MAP_IP_TO_SRCLOC,      \
gejun's avatar
gejun committed
4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827
                               addr, buf64, 0, 0, 0)

/* Disable error reporting for this thread.  Behaves in a stack like
   way, so you can safely call this multiple times provided that
   VALGRIND_ENABLE_ERROR_REPORTING is called the same number of times
   to re-enable reporting.  The first call of this macro disables
   reporting.  Subsequent calls have no effect except to increase the
   number of VALGRIND_ENABLE_ERROR_REPORTING calls needed to re-enable
   reporting.  Child threads do not inherit this setting from their
   parents -- they are always created with reporting enabled. */
#define VALGRIND_DISABLE_ERROR_REPORTING                                \
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__CHANGE_ERR_DISABLEMENT, \
                                    1, 0, 0, 0, 0)

/* Re-enable error reporting, as per comments on
   VALGRIND_DISABLE_ERROR_REPORTING. */
#define VALGRIND_ENABLE_ERROR_REPORTING                                 \
    VALGRIND_DO_CLIENT_REQUEST_STMT(VG_USERREQ__CHANGE_ERR_DISABLEMENT, \
                                    -1, 0, 0, 0, 0)
gejun's avatar
gejun committed
4828

gejun's avatar
gejun committed
4829 4830 4831
#undef PLAT_x86_darwin
#undef PLAT_amd64_darwin
#undef PLAT_x86_win32
gejun's avatar
gejun committed
4832 4833 4834 4835 4836
#undef PLAT_x86_linux
#undef PLAT_amd64_linux
#undef PLAT_ppc32_linux
#undef PLAT_ppc64_linux
#undef PLAT_arm_linux
gejun's avatar
gejun committed
4837 4838
#undef PLAT_s390x_linux
#undef PLAT_mips32_linux
gejun's avatar
gejun committed
4839 4840

#endif   /* __VALGRIND_H */