gdb/amd64-linux-tdep.c

   1 /* Target-dependent code for GNU/Linux x86-64.
   2
   3    Copyright (C) 2001-2017 Free Software Foundation, Inc.
   4    Contributed by Jiri Smid, SuSE Labs.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #include "defs.h"
  22 #include "arch-utils.h"
  23 #include "frame.h"
  24 #include "gdbcore.h"
  25 #include "regcache.h"
  26 #include "osabi.h"
  27 #include "symtab.h"
  28 #include "gdbtypes.h"
  29 #include "reggroups.h"
  30 #include "regset.h"
  31 #include "parser-defs.h"
  32 #include "user-regs.h"
  33 #include "amd64-linux-tdep.h"
  34 #include "i386-linux-tdep.h"
  35 #include "linux-tdep.h"
  36 #include "x86-xstate.h"
  37
  38 #include "amd64-tdep.h"
  39 #include "solib-svr4.h"
  40 #include "xml-syscall.h"
  41 #include "glibc-tdep.h"
  42
  43 #include "features/i386/amd64-linux.c"
  44 #include "features/i386/amd64-avx-linux.c"
  45 #include "features/i386/amd64-mpx-linux.c"
  46 #include "features/i386/amd64-avx-mpx-linux.c"
  47 #include "features/i386/amd64-avx512-linux.c"
  48
  49 #include "features/i386/x32-linux.c"
  50 #include "features/i386/x32-avx-linux.c"
  51 #include "features/i386/x32-avx512-linux.c"
  52
  53 /* The syscall's XML filename for i386.  */
  54 #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml"
  55
  56 #include "record-full.h"
  57 #include "linux-record.h"
  58
  59 /* Mapping between the general-purpose registers in `struct user'
  60    format and GDB's register cache layout.  */
  61
  62 /* From <sys/reg.h>.  */
  63 int amd64_linux_gregset_reg_offset[] =
  64 {
  65   10 * 8,                       /* %rax */
  66   5 * 8,                        /* %rbx */
  67   11 * 8,                       /* %rcx */
  68   12 * 8,                       /* %rdx */
  69   13 * 8,                       /* %rsi */
  70   14 * 8,                       /* %rdi */
  71   4 * 8,                        /* %rbp */
  72   19 * 8,                       /* %rsp */
  73   9 * 8,                        /* %r8 ...  */
  74   8 * 8,
  75   7 * 8,
  76   6 * 8,
  77   3 * 8,
  78   2 * 8,
  79   1 * 8,
  80   0 * 8,                        /* ... %r15 */
  81   16 * 8,                       /* %rip */
  82   18 * 8,                       /* %eflags */
  83   17 * 8,                       /* %cs */
  84   20 * 8,                       /* %ss */
  85   23 * 8,                       /* %ds */
  86   24 * 8,                       /* %es */
  87   25 * 8,                       /* %fs */
  88   26 * 8,                       /* %gs */
  89   -1, -1, -1, -1, -1, -1, -1, -1,
  90   -1, -1, -1, -1, -1, -1, -1, -1,
  91   -1, -1, -1, -1, -1, -1, -1, -1,
  92   -1, -1, -1, -1, -1, -1, -1, -1, -1,
  93   -1, -1, -1, -1, -1, -1, -1, -1,
  94   -1, -1, -1, -1, -1, -1, -1, -1,
  95   -1, -1, -1, -1,               /* MPX registers BND0 ... BND3.  */
  96   -1, -1,                       /* MPX registers BNDCFGU and BNDSTATUS.  */
  97   -1, -1, -1, -1, -1, -1, -1, -1,     /* xmm16 ... xmm31 (AVX512)  */
  98   -1, -1, -1, -1, -1, -1, -1, -1,
  99   -1, -1, -1, -1, -1, -1, -1, -1,     /* ymm16 ... ymm31 (AVX512)  */
 100   -1, -1, -1, -1, -1, -1, -1, -1,
 101   -1, -1, -1, -1, -1, -1, -1, -1,     /* k0 ... k7 (AVX512)  */
 102   -1, -1, -1, -1, -1, -1, -1, -1,     /* zmm0 ... zmm31 (AVX512)  */
 103   -1, -1, -1, -1, -1, -1, -1, -1,
 104   -1, -1, -1, -1, -1, -1, -1, -1,
 105   -1, -1, -1, -1, -1, -1, -1, -1,
 106
 107   /* End of hardware registers */
 108   21 * 8, 22 * 8,                     /* fs_base and gs_base.  */
 109   15 * 8                              /* "orig_rax" */
 110 };
 111 \f
 112
 113 /* Support for signal handlers.  */
 114
 115 #define LINUX_SIGTRAMP_INSN0    0x48    /* mov $NNNNNNNN, %rax */
 116 #define LINUX_SIGTRAMP_OFFSET0  0
 117 #define LINUX_SIGTRAMP_INSN1    0x0f    /* syscall */
 118 #define LINUX_SIGTRAMP_OFFSET1  7
 119
 120 static const gdb_byte amd64_linux_sigtramp_code[] =
 121 {
 122   /* mov $__NR_rt_sigreturn, %rax */
 123   LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00,
 124   /* syscall */
 125   LINUX_SIGTRAMP_INSN1, 0x05
 126 };
 127
 128 static const gdb_byte amd64_x32_linux_sigtramp_code[] =
 129 {
 130   /* mov $__NR_rt_sigreturn, %rax.  */
 131   LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x01, 0x02, 0x00, 0x40,
 132   /* syscall */
 133   LINUX_SIGTRAMP_INSN1, 0x05
 134 };
 135
 136 #define LINUX_SIGTRAMP_LEN (sizeof amd64_linux_sigtramp_code)
 137
 138 /* If PC is in a sigtramp routine, return the address of the start of
 139    the routine.  Otherwise, return 0.  */
 140
 141 static CORE_ADDR
 142 amd64_linux_sigtramp_start (struct frame_info *this_frame)
 143 {
 144   struct gdbarch *gdbarch;
 145   const gdb_byte *sigtramp_code;
 146   CORE_ADDR pc = get_frame_pc (this_frame);
 147   gdb_byte buf[LINUX_SIGTRAMP_LEN];
 148
 149   /* We only recognize a signal trampoline if PC is at the start of
 150      one of the two instructions.  We optimize for finding the PC at
 151      the start, as will be the case when the trampoline is not the
 152      first frame on the stack.  We assume that in the case where the
 153      PC is not at the start of the instruction sequence, there will be
 154      a few trailing readable bytes on the stack.  */
 155
 156   if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
 157     return 0;
 158
 159   if (buf[0] != LINUX_SIGTRAMP_INSN0)
 160     {
 161       if (buf[0] != LINUX_SIGTRAMP_INSN1)
 162         return 0;
 163
 164       pc -= LINUX_SIGTRAMP_OFFSET1;
 165       if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
 166         return 0;
 167     }
 168
 169   gdbarch = get_frame_arch (this_frame);
 170   if (gdbarch_ptr_bit (gdbarch) == 32)
 171     sigtramp_code = amd64_x32_linux_sigtramp_code;
 172   else
 173     sigtramp_code = amd64_linux_sigtramp_code;
 174   if (memcmp (buf, sigtramp_code, LINUX_SIGTRAMP_LEN) != 0)
 175     return 0;
 176
 177   return pc;
 178 }
 179
 180 /* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp
 181    routine.  */
 182
 183 static int
 184 amd64_linux_sigtramp_p (struct frame_info *this_frame)
 185 {
 186   CORE_ADDR pc = get_frame_pc (this_frame);
 187   const char *name;
 188
 189   find_pc_partial_function (pc, &name, NULL, NULL);
 190
 191   /* If we have NAME, we can optimize the search.  The trampoline is
 192      named __restore_rt.  However, it isn't dynamically exported from
 193      the shared C library, so the trampoline may appear to be part of
 194      the preceding function.  This should always be sigaction,
 195      __sigaction, or __libc_sigaction (all aliases to the same
 196      function).  */
 197   if (name == NULL || strstr (name, "sigaction") != NULL)
 198     return (amd64_linux_sigtramp_start (this_frame) != 0);
 199
 200   return (strcmp ("__restore_rt", name) == 0);
 201 }
 202
 203 /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>.  */
 204 #define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40
 205
 206 /* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the
 207    address of the associated sigcontext structure.  */
 208
 209 static CORE_ADDR
 210 amd64_linux_sigcontext_addr (struct frame_info *this_frame)
 211 {
 212   struct gdbarch *gdbarch = get_frame_arch (this_frame);
 213   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
 214   CORE_ADDR sp;
 215   gdb_byte buf[8];
 216
 217   get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
 218   sp = extract_unsigned_integer (buf, 8, byte_order);
 219
 220   /* The sigcontext structure is part of the user context.  A pointer
 221      to the user context is passed as the third argument to the signal
 222      handler, i.e. in %rdx.  Unfortunately %rdx isn't preserved across
 223      function calls so we can't use it.  Fortunately the user context
 224      is part of the signal frame and the unwound %rsp directly points
 225      at it.  */
 226   return sp + AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
 227 }
 228 \f
 229
 230 static LONGEST
 231 amd64_linux_get_syscall_number (struct gdbarch *gdbarch,
 232                                 ptid_t ptid)
 233 {
 234   struct regcache *regcache = get_thread_regcache (ptid);
 235   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
 236   /* The content of a register.  */
 237   gdb_byte buf[8];
 238   /* The result.  */
 239   LONGEST ret;
 240
 241   /* Getting the system call number from the register.
 242      When dealing with x86_64 architecture, this information
 243      is stored at %rax register.  */
 244   regcache_cooked_read (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, buf);
 245
 246   ret = extract_signed_integer (buf, 8, byte_order);
 247
 248   return ret;
 249 }
 250
 251
 252 /* From <asm/sigcontext.h>.  */
 253 static int amd64_linux_sc_reg_offset[] =
 254 {
 255   13 * 8,                       /* %rax */
 256   11 * 8,                       /* %rbx */
 257   14 * 8,                       /* %rcx */
 258   12 * 8,                       /* %rdx */
 259   9 * 8,                        /* %rsi */
 260   8 * 8,                        /* %rdi */
 261   10 * 8,                       /* %rbp */
 262   15 * 8,                       /* %rsp */
 263   0 * 8,                        /* %r8 */
 264   1 * 8,                        /* %r9 */
 265   2 * 8,                        /* %r10 */
 266   3 * 8,                        /* %r11 */
 267   4 * 8,                        /* %r12 */
 268   5 * 8,                        /* %r13 */
 269   6 * 8,                        /* %r14 */
 270   7 * 8,                        /* %r15 */
 271   16 * 8,                       /* %rip */
 272   17 * 8,                       /* %eflags */
 273
 274   /* FIXME: kettenis/2002030531: The registers %cs, %fs and %gs are
 275      available in `struct sigcontext'.  However, they only occupy two
 276      bytes instead of four, which makes using them here rather
 277      difficult.  Leave them out for now.  */
 278   -1,                           /* %cs */
 279   -1,                           /* %ss */
 280   -1,                           /* %ds */
 281   -1,                           /* %es */
 282   -1,                           /* %fs */
 283   -1                            /* %gs */
 284 };
 285
 286 static int
 287 amd64_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
 288                                  struct reggroup *group)
 289 {
 290   if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM
 291       || regnum == AMD64_FSBASE_REGNUM
 292       || regnum == AMD64_GSBASE_REGNUM)
 293     return (group == system_reggroup
 294             || group == save_reggroup
 295             || group == restore_reggroup);
 296   return i386_register_reggroup_p (gdbarch, regnum, group);
 297 }
 298
 299 /* Set the program counter for process PTID to PC.  */
 300
 301 static void
 302 amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
 303 {
 304   regcache_cooked_write_unsigned (regcache, AMD64_RIP_REGNUM, pc);
 305
 306   /* We must be careful with modifying the program counter.  If we
 307      just interrupted a system call, the kernel might try to restart
 308      it when we resume the inferior.  On restarting the system call,
 309      the kernel will try backing up the program counter even though it
 310      no longer points at the system call.  This typically results in a
 311      SIGSEGV or SIGILL.  We can prevent this by writing `-1' in the
 312      "orig_rax" pseudo-register.
 313
 314      Note that "orig_rax" is saved when setting up a dummy call frame.
 315      This means that it is properly restored when that frame is
 316      popped, and that the interrupted system call will be restarted
 317      when we resume the inferior on return from a function call from
 318      within GDB.  In all other cases the system call will not be
 319      restarted.  */
 320   regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1);
 321 }
 322
 323 /* Record all registers but IP register for process-record.  */
 324
 325 static int
 326 amd64_all_but_ip_registers_record (struct regcache *regcache)
 327 {
 328   if (record_full_arch_list_add_reg (regcache, AMD64_RAX_REGNUM))
 329     return -1;
 330   if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
 331     return -1;
 332   if (record_full_arch_list_add_reg (regcache, AMD64_RDX_REGNUM))
 333     return -1;
 334   if (record_full_arch_list_add_reg (regcache, AMD64_RBX_REGNUM))
 335     return -1;
 336   if (record_full_arch_list_add_reg (regcache, AMD64_RSP_REGNUM))
 337     return -1;
 338   if (record_full_arch_list_add_reg (regcache, AMD64_RBP_REGNUM))
 339     return -1;
 340   if (record_full_arch_list_add_reg (regcache, AMD64_RSI_REGNUM))
 341     return -1;
 342   if (record_full_arch_list_add_reg (regcache, AMD64_RDI_REGNUM))
 343     return -1;
 344   if (record_full_arch_list_add_reg (regcache, AMD64_R8_REGNUM))
 345     return -1;
 346   if (record_full_arch_list_add_reg (regcache, AMD64_R9_REGNUM))
 347     return -1;
 348   if (record_full_arch_list_add_reg (regcache, AMD64_R10_REGNUM))
 349     return -1;
 350   if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
 351     return -1;
 352   if (record_full_arch_list_add_reg (regcache, AMD64_R12_REGNUM))
 353     return -1;
 354   if (record_full_arch_list_add_reg (regcache, AMD64_R13_REGNUM))
 355     return -1;
 356   if (record_full_arch_list_add_reg (regcache, AMD64_R14_REGNUM))
 357     return -1;
 358   if (record_full_arch_list_add_reg (regcache, AMD64_R15_REGNUM))
 359     return -1;
 360   if (record_full_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM))
 361     return -1;
 362
 363   return 0;
 364 }
 365
 366 /* amd64_canonicalize_syscall maps from the native amd64 Linux set
 367    of syscall ids into a canonical set of syscall ids used by
 368    process record.  */
 369
 370 static enum gdb_syscall
 371 amd64_canonicalize_syscall (enum amd64_syscall syscall_number)
 372 {
 373   switch (syscall_number) {
 374   case amd64_sys_read:
 375   case amd64_x32_sys_read:
 376     return gdb_sys_read;
 377
 378   case amd64_sys_write:
 379   case amd64_x32_sys_write:
 380     return gdb_sys_write;
 381
 382   case amd64_sys_open:
 383   case amd64_x32_sys_open:
 384     return gdb_sys_open;
 385
 386   case amd64_sys_close:
 387   case amd64_x32_sys_close:
 388     return gdb_sys_close;
 389
 390   case amd64_sys_newstat:
 391   case amd64_x32_sys_newstat:
 392     return gdb_sys_newstat;
 393
 394   case amd64_sys_newfstat:
 395   case amd64_x32_sys_newfstat:
 396     return gdb_sys_newfstat;
 397
 398   case amd64_sys_newlstat:
 399   case amd64_x32_sys_newlstat:
 400     return gdb_sys_newlstat;
 401
 402   case amd64_sys_poll:
 403   case amd64_x32_sys_poll:
 404     return gdb_sys_poll;
 405
 406   case amd64_sys_lseek:
 407   case amd64_x32_sys_lseek:
 408     return gdb_sys_lseek;
 409
 410   case amd64_sys_mmap:
 411   case amd64_x32_sys_mmap:
 412     return gdb_sys_mmap2;
 413
 414   case amd64_sys_mprotect:
 415   case amd64_x32_sys_mprotect:
 416     return gdb_sys_mprotect;
 417
 418   case amd64_sys_munmap:
 419   case amd64_x32_sys_munmap:
 420     return gdb_sys_munmap;
 421
 422   case amd64_sys_brk:
 423   case amd64_x32_sys_brk:
 424     return gdb_sys_brk;
 425
 426   case amd64_sys_rt_sigaction:
 427   case amd64_x32_sys_rt_sigaction:
 428     return gdb_sys_rt_sigaction;
 429
 430   case amd64_sys_rt_sigprocmask:
 431   case amd64_x32_sys_rt_sigprocmask:
 432     return gdb_sys_rt_sigprocmask;
 433
 434   case amd64_sys_rt_sigreturn:
 435   case amd64_x32_sys_rt_sigreturn:
 436     return gdb_sys_rt_sigreturn;
 437
 438   case amd64_sys_ioctl:
 439   case amd64_x32_sys_ioctl:
 440     return gdb_sys_ioctl;
 441
 442   case amd64_sys_pread64:
 443   case amd64_x32_sys_pread64:
 444     return gdb_sys_pread64;
 445
 446   case amd64_sys_pwrite64:
 447   case amd64_x32_sys_pwrite64:
 448     return gdb_sys_pwrite64;
 449
 450   case amd64_sys_readv:
 451   case amd64_x32_sys_readv:
 452     return gdb_sys_readv;
 453
 454   case amd64_sys_writev:
 455   case amd64_x32_sys_writev:
 456     return gdb_sys_writev;
 457
 458   case amd64_sys_access:
 459   case amd64_x32_sys_access:
 460     return gdb_sys_access;
 461
 462   case amd64_sys_pipe:
 463   case amd64_x32_sys_pipe:
 464     return gdb_sys_pipe;
 465
 466   case amd64_sys_select:
 467   case amd64_x32_sys_select:
 468     return gdb_sys_select;
 469
 470   case amd64_sys_sched_yield:
 471   case amd64_x32_sys_sched_yield:
 472     return gdb_sys_sched_yield;
 473
 474   case amd64_sys_mremap:
 475   case amd64_x32_sys_mremap:
 476     return gdb_sys_mremap;
 477
 478   case amd64_sys_msync:
 479   case amd64_x32_sys_msync:
 480     return gdb_sys_msync;
 481
 482   case amd64_sys_mincore:
 483   case amd64_x32_sys_mincore:
 484     return gdb_sys_mincore;
 485
 486   case amd64_sys_madvise:
 487   case amd64_x32_sys_madvise:
 488     return gdb_sys_madvise;
 489
 490   case amd64_sys_shmget:
 491   case amd64_x32_sys_shmget:
 492     return gdb_sys_shmget;
 493
 494   case amd64_sys_shmat:
 495   case amd64_x32_sys_shmat:
 496     return gdb_sys_shmat;
 497
 498   case amd64_sys_shmctl:
 499   case amd64_x32_sys_shmctl:
 500     return gdb_sys_shmctl;
 501
 502   case amd64_sys_dup:
 503   case amd64_x32_sys_dup:
 504     return gdb_sys_dup;
 505
 506   case amd64_sys_dup2:
 507   case amd64_x32_sys_dup2:
 508     return gdb_sys_dup2;
 509
 510   case amd64_sys_pause:
 511   case amd64_x32_sys_pause:
 512     return gdb_sys_pause;
 513
 514   case amd64_sys_nanosleep:
 515   case amd64_x32_sys_nanosleep:
 516     return gdb_sys_nanosleep;
 517
 518   case amd64_sys_getitimer:
 519   case amd64_x32_sys_getitimer:
 520     return gdb_sys_getitimer;
 521
 522   case amd64_sys_alarm:
 523   case amd64_x32_sys_alarm:
 524     return gdb_sys_alarm;
 525
 526   case amd64_sys_setitimer:
 527   case amd64_x32_sys_setitimer:
 528     return gdb_sys_setitimer;
 529
 530   case amd64_sys_getpid:
 531   case amd64_x32_sys_getpid:
 532     return gdb_sys_getpid;
 533
 534   case amd64_sys_sendfile64:
 535   case amd64_x32_sys_sendfile64:
 536     return gdb_sys_sendfile64;
 537
 538   case amd64_sys_socket:
 539   case amd64_x32_sys_socket:
 540     return gdb_sys_socket;
 541
 542   case amd64_sys_connect:
 543   case amd64_x32_sys_connect:
 544     return gdb_sys_connect;
 545
 546   case amd64_sys_accept:
 547   case amd64_x32_sys_accept:
 548     return gdb_sys_accept;
 549
 550   case amd64_sys_sendto:
 551   case amd64_x32_sys_sendto:
 552     return gdb_sys_sendto;
 553
 554   case amd64_sys_recvfrom:
 555   case amd64_x32_sys_recvfrom:
 556     return gdb_sys_recvfrom;
 557
 558   case amd64_sys_sendmsg:
 559   case amd64_x32_sys_sendmsg:
 560     return gdb_sys_sendmsg;
 561
 562   case amd64_sys_recvmsg:
 563   case amd64_x32_sys_recvmsg:
 564     return gdb_sys_recvmsg;
 565
 566   case amd64_sys_shutdown:
 567   case amd64_x32_sys_shutdown:
 568     return gdb_sys_shutdown;
 569
 570   case amd64_sys_bind:
 571   case amd64_x32_sys_bind:
 572     return gdb_sys_bind;
 573
 574   case amd64_sys_listen:
 575   case amd64_x32_sys_listen:
 576     return gdb_sys_listen;
 577
 578   case amd64_sys_getsockname:
 579   case amd64_x32_sys_getsockname:
 580     return gdb_sys_getsockname;
 581
 582   case amd64_sys_getpeername:
 583   case amd64_x32_sys_getpeername:
 584     return gdb_sys_getpeername;
 585
 586   case amd64_sys_socketpair:
 587   case amd64_x32_sys_socketpair:
 588     return gdb_sys_socketpair;
 589
 590   case amd64_sys_setsockopt:
 591   case amd64_x32_sys_setsockopt:
 592     return gdb_sys_setsockopt;
 593
 594   case amd64_sys_getsockopt:
 595   case amd64_x32_sys_getsockopt:
 596     return gdb_sys_getsockopt;
 597
 598   case amd64_sys_clone:
 599   case amd64_x32_sys_clone:
 600     return gdb_sys_clone;
 601
 602   case amd64_sys_fork:
 603   case amd64_x32_sys_fork:
 604     return gdb_sys_fork;
 605
 606   case amd64_sys_vfork:
 607   case amd64_x32_sys_vfork:
 608     return gdb_sys_vfork;
 609
 610   case amd64_sys_execve:
 611   case amd64_x32_sys_execve:
 612     return gdb_sys_execve;
 613
 614   case amd64_sys_exit:
 615   case amd64_x32_sys_exit:
 616     return gdb_sys_exit;
 617
 618   case amd64_sys_wait4:
 619   case amd64_x32_sys_wait4:
 620     return gdb_sys_wait4;
 621
 622   case amd64_sys_kill:
 623   case amd64_x32_sys_kill:
 624     return gdb_sys_kill;
 625
 626   case amd64_sys_uname:
 627   case amd64_x32_sys_uname:
 628     return gdb_sys_uname;
 629
 630   case amd64_sys_semget:
 631   case amd64_x32_sys_semget:
 632     return gdb_sys_semget;
 633
 634   case amd64_sys_semop:
 635   case amd64_x32_sys_semop:
 636     return gdb_sys_semop;
 637
 638   case amd64_sys_semctl:
 639   case amd64_x32_sys_semctl:
 640     return gdb_sys_semctl;
 641
 642   case amd64_sys_shmdt:
 643   case amd64_x32_sys_shmdt:
 644     return gdb_sys_shmdt;
 645
 646   case amd64_sys_msgget:
 647   case amd64_x32_sys_msgget:
 648     return gdb_sys_msgget;
 649
 650   case amd64_sys_msgsnd:
 651   case amd64_x32_sys_msgsnd:
 652     return gdb_sys_msgsnd;
 653
 654   case amd64_sys_msgrcv:
 655   case amd64_x32_sys_msgrcv:
 656     return gdb_sys_msgrcv;
 657
 658   case amd64_sys_msgctl:
 659   case amd64_x32_sys_msgctl:
 660     return gdb_sys_msgctl;
 661
 662   case amd64_sys_fcntl:
 663   case amd64_x32_sys_fcntl:
 664     return gdb_sys_fcntl;
 665
 666   case amd64_sys_flock:
 667   case amd64_x32_sys_flock:
 668     return gdb_sys_flock;
 669
 670   case amd64_sys_fsync:
 671   case amd64_x32_sys_fsync:
 672     return gdb_sys_fsync;
 673
 674   case amd64_sys_fdatasync:
 675   case amd64_x32_sys_fdatasync:
 676     return gdb_sys_fdatasync;
 677
 678   case amd64_sys_truncate:
 679   case amd64_x32_sys_truncate:
 680     return gdb_sys_truncate;
 681
 682   case amd64_sys_ftruncate:
 683   case amd64_x32_sys_ftruncate:
 684     return gdb_sys_ftruncate;
 685
 686   case amd64_sys_getdents:
 687   case amd64_x32_sys_getdents:
 688     return gdb_sys_getdents;
 689
 690   case amd64_sys_getcwd:
 691   case amd64_x32_sys_getcwd:
 692     return gdb_sys_getcwd;
 693
 694   case amd64_sys_chdir:
 695   case amd64_x32_sys_chdir:
 696     return gdb_sys_chdir;
 697
 698   case amd64_sys_fchdir:
 699   case amd64_x32_sys_fchdir:
 700     return gdb_sys_fchdir;
 701
 702   case amd64_sys_rename:
 703   case amd64_x32_sys_rename:
 704     return gdb_sys_rename;
 705
 706   case amd64_sys_mkdir:
 707   case amd64_x32_sys_mkdir:
 708     return gdb_sys_mkdir;
 709
 710   case amd64_sys_rmdir:
 711   case amd64_x32_sys_rmdir:
 712     return gdb_sys_rmdir;
 713
 714   case amd64_sys_creat:
 715   case amd64_x32_sys_creat:
 716     return gdb_sys_creat;
 717
 718   case amd64_sys_link:
 719   case amd64_x32_sys_link:
 720     return gdb_sys_link;
 721
 722   case amd64_sys_unlink:
 723   case amd64_x32_sys_unlink:
 724     return gdb_sys_unlink;
 725
 726   case amd64_sys_symlink:
 727   case amd64_x32_sys_symlink:
 728     return gdb_sys_symlink;
 729
 730   case amd64_sys_readlink:
 731   case amd64_x32_sys_readlink:
 732     return gdb_sys_readlink;
 733
 734   case amd64_sys_chmod:
 735   case amd64_x32_sys_chmod:
 736     return gdb_sys_chmod;
 737
 738   case amd64_sys_fchmod:
 739   case amd64_x32_sys_fchmod:
 740     return gdb_sys_fchmod;
 741
 742   case amd64_sys_chown:
 743   case amd64_x32_sys_chown:
 744     return gdb_sys_chown;
 745
 746   case amd64_sys_fchown:
 747   case amd64_x32_sys_fchown:
 748     return gdb_sys_fchown;
 749
 750   case amd64_sys_lchown:
 751   case amd64_x32_sys_lchown:
 752     return gdb_sys_lchown;
 753
 754   case amd64_sys_umask:
 755   case amd64_x32_sys_umask:
 756     return gdb_sys_umask;
 757
 758   case amd64_sys_gettimeofday:
 759   case amd64_x32_sys_gettimeofday:
 760     return gdb_sys_gettimeofday;
 761
 762   case amd64_sys_getrlimit:
 763   case amd64_x32_sys_getrlimit:
 764     return gdb_sys_getrlimit;
 765
 766   case amd64_sys_getrusage:
 767   case amd64_x32_sys_getrusage:
 768     return gdb_sys_getrusage;
 769
 770   case amd64_sys_sysinfo:
 771   case amd64_x32_sys_sysinfo:
 772     return gdb_sys_sysinfo;
 773
 774   case amd64_sys_times:
 775   case amd64_x32_sys_times:
 776     return gdb_sys_times;
 777
 778   case amd64_sys_ptrace:
 779   case amd64_x32_sys_ptrace:
 780     return gdb_sys_ptrace;
 781
 782   case amd64_sys_getuid:
 783   case amd64_x32_sys_getuid:
 784     return gdb_sys_getuid;
 785
 786   case amd64_sys_syslog:
 787   case amd64_x32_sys_syslog:
 788     return gdb_sys_syslog;
 789
 790   case amd64_sys_getgid:
 791   case amd64_x32_sys_getgid:
 792     return gdb_sys_getgid;
 793
 794   case amd64_sys_setuid:
 795   case amd64_x32_sys_setuid:
 796     return gdb_sys_setuid;
 797
 798   case amd64_sys_setgid:
 799   case amd64_x32_sys_setgid:
 800     return gdb_sys_setgid;
 801
 802   case amd64_sys_geteuid:
 803   case amd64_x32_sys_geteuid:
 804     return gdb_sys_geteuid;
 805
 806   case amd64_sys_getegid:
 807   case amd64_x32_sys_getegid:
 808     return gdb_sys_getegid;
 809
 810   case amd64_sys_setpgid:
 811   case amd64_x32_sys_setpgid:
 812     return gdb_sys_setpgid;
 813
 814   case amd64_sys_getppid:
 815   case amd64_x32_sys_getppid:
 816     return gdb_sys_getppid;
 817
 818   case amd64_sys_getpgrp:
 819   case amd64_x32_sys_getpgrp:
 820     return gdb_sys_getpgrp;
 821
 822   case amd64_sys_setsid:
 823   case amd64_x32_sys_setsid:
 824     return gdb_sys_setsid;
 825
 826   case amd64_sys_setreuid:
 827   case amd64_x32_sys_setreuid:
 828     return gdb_sys_setreuid;
 829
 830   case amd64_sys_setregid:
 831   case amd64_x32_sys_setregid:
 832     return gdb_sys_setregid;
 833
 834   case amd64_sys_getgroups:
 835   case amd64_x32_sys_getgroups:
 836     return gdb_sys_getgroups;
 837
 838   case amd64_sys_setgroups:
 839   case amd64_x32_sys_setgroups:
 840     return gdb_sys_setgroups;
 841
 842   case amd64_sys_setresuid:
 843   case amd64_x32_sys_setresuid:
 844     return gdb_sys_setresuid;
 845
 846   case amd64_sys_getresuid:
 847   case amd64_x32_sys_getresuid:
 848     return gdb_sys_getresuid;
 849
 850   case amd64_sys_setresgid:
 851   case amd64_x32_sys_setresgid:
 852     return gdb_sys_setresgid;
 853
 854   case amd64_sys_getresgid:
 855   case amd64_x32_sys_getresgid:
 856     return gdb_sys_getresgid;
 857
 858   case amd64_sys_getpgid:
 859   case amd64_x32_sys_getpgid:
 860     return gdb_sys_getpgid;
 861
 862   case amd64_sys_setfsuid:
 863   case amd64_x32_sys_setfsuid:
 864     return gdb_sys_setfsuid;
 865
 866   case amd64_sys_setfsgid:
 867   case amd64_x32_sys_setfsgid:
 868     return gdb_sys_setfsgid;
 869
 870   case amd64_sys_getsid:
 871   case amd64_x32_sys_getsid:
 872     return gdb_sys_getsid;
 873
 874   case amd64_sys_capget:
 875   case amd64_x32_sys_capget:
 876     return gdb_sys_capget;
 877
 878   case amd64_sys_capset:
 879   case amd64_x32_sys_capset:
 880     return gdb_sys_capset;
 881
 882   case amd64_sys_rt_sigpending:
 883   case amd64_x32_sys_rt_sigpending:
 884     return gdb_sys_rt_sigpending;
 885
 886   case amd64_sys_rt_sigtimedwait:
 887   case amd64_x32_sys_rt_sigtimedwait:
 888     return gdb_sys_rt_sigtimedwait;
 889
 890   case amd64_sys_rt_sigqueueinfo:
 891   case amd64_x32_sys_rt_sigqueueinfo:
 892     return gdb_sys_rt_sigqueueinfo;
 893
 894   case amd64_sys_rt_sigsuspend:
 895   case amd64_x32_sys_rt_sigsuspend:
 896     return gdb_sys_rt_sigsuspend;
 897
 898   case amd64_sys_sigaltstack:
 899   case amd64_x32_sys_sigaltstack:
 900     return gdb_sys_sigaltstack;
 901
 902   case amd64_sys_utime:
 903   case amd64_x32_sys_utime:
 904     return gdb_sys_utime;
 905
 906   case amd64_sys_mknod:
 907   case amd64_x32_sys_mknod:
 908     return gdb_sys_mknod;
 909
 910   case amd64_sys_personality:
 911   case amd64_x32_sys_personality:
 912     return gdb_sys_personality;
 913
 914   case amd64_sys_ustat:
 915   case amd64_x32_sys_ustat:
 916     return gdb_sys_ustat;
 917
 918   case amd64_sys_statfs:
 919   case amd64_x32_sys_statfs:
 920     return gdb_sys_statfs;
 921
 922   case amd64_sys_fstatfs:
 923   case amd64_x32_sys_fstatfs:
 924     return gdb_sys_fstatfs;
 925
 926   case amd64_sys_sysfs:
 927   case amd64_x32_sys_sysfs:
 928     return gdb_sys_sysfs;
 929
 930   case amd64_sys_getpriority:
 931   case amd64_x32_sys_getpriority:
 932     return gdb_sys_getpriority;
 933
 934   case amd64_sys_setpriority:
 935   case amd64_x32_sys_setpriority:
 936     return gdb_sys_setpriority;
 937
 938   case amd64_sys_sched_setparam:
 939   case amd64_x32_sys_sched_setparam:
 940     return gdb_sys_sched_setparam;
 941
 942   case amd64_sys_sched_getparam:
 943   case amd64_x32_sys_sched_getparam:
 944     return gdb_sys_sched_getparam;
 945
 946   case amd64_sys_sched_setscheduler:
 947   case amd64_x32_sys_sched_setscheduler:
 948     return gdb_sys_sched_setscheduler;
 949
 950   case amd64_sys_sched_getscheduler:
 951   case amd64_x32_sys_sched_getscheduler:
 952     return gdb_sys_sched_getscheduler;
 953
 954   case amd64_sys_sched_get_priority_max:
 955   case amd64_x32_sys_sched_get_priority_max:
 956     return gdb_sys_sched_get_priority_max;
 957
 958   case amd64_sys_sched_get_priority_min:
 959   case amd64_x32_sys_sched_get_priority_min:
 960     return gdb_sys_sched_get_priority_min;
 961
 962   case amd64_sys_sched_rr_get_interval:
 963   case amd64_x32_sys_sched_rr_get_interval:
 964     return gdb_sys_sched_rr_get_interval;
 965
 966   case amd64_sys_mlock:
 967   case amd64_x32_sys_mlock:
 968     return gdb_sys_mlock;
 969
 970   case amd64_sys_munlock:
 971   case amd64_x32_sys_munlock:
 972     return gdb_sys_munlock;
 973
 974   case amd64_sys_mlockall:
 975   case amd64_x32_sys_mlockall:
 976     return gdb_sys_mlockall;
 977
 978   case amd64_sys_munlockall:
 979   case amd64_x32_sys_munlockall:
 980     return gdb_sys_munlockall;
 981
 982   case amd64_sys_vhangup:
 983   case amd64_x32_sys_vhangup:
 984     return gdb_sys_vhangup;
 985
 986   case amd64_sys_modify_ldt:
 987   case amd64_x32_sys_modify_ldt:
 988     return gdb_sys_modify_ldt;
 989
 990   case amd64_sys_pivot_root:
 991   case amd64_x32_sys_pivot_root:
 992     return gdb_sys_pivot_root;
 993
 994   case amd64_sys_sysctl:
 995   case amd64_x32_sys_sysctl:
 996     return gdb_sys_sysctl;
 997
 998   case amd64_sys_prctl:
 999   case amd64_x32_sys_prctl:
1000     return gdb_sys_prctl;
1001
1002   case amd64_sys_arch_prctl:
1003   case amd64_x32_sys_arch_prctl:
1004     return gdb_sys_no_syscall;  /* Note */
1005
1006   case amd64_sys_adjtimex:
1007   case amd64_x32_sys_adjtimex:
1008     return gdb_sys_adjtimex;
1009
1010   case amd64_sys_setrlimit:
1011   case amd64_x32_sys_setrlimit:
1012     return gdb_sys_setrlimit;
1013
1014   case amd64_sys_chroot:
1015   case amd64_x32_sys_chroot:
1016     return gdb_sys_chroot;
1017
1018   case amd64_sys_sync:
1019   case amd64_x32_sys_sync:
1020     return gdb_sys_sync;
1021
1022   case amd64_sys_acct:
1023   case amd64_x32_sys_acct:
1024     return gdb_sys_acct;
1025
1026   case amd64_sys_settimeofday:
1027   case amd64_x32_sys_settimeofday:
1028     return gdb_sys_settimeofday;
1029
1030   case amd64_sys_mount:
1031   case amd64_x32_sys_mount:
1032     return gdb_sys_mount;
1033
1034   case amd64_sys_umount:
1035   case amd64_x32_sys_umount:
1036     return gdb_sys_umount;
1037
1038   case amd64_sys_swapon:
1039   case amd64_x32_sys_swapon:
1040     return gdb_sys_swapon;
1041
1042   case amd64_sys_swapoff:
1043   case amd64_x32_sys_swapoff:
1044     return gdb_sys_swapoff;
1045
1046   case amd64_sys_reboot:
1047   case amd64_x32_sys_reboot:
1048     return gdb_sys_reboot;
1049
1050   case amd64_sys_sethostname:
1051   case amd64_x32_sys_sethostname:
1052     return gdb_sys_sethostname;
1053
1054   case amd64_sys_setdomainname:
1055   case amd64_x32_sys_setdomainname:
1056     return gdb_sys_setdomainname;
1057
1058   case amd64_sys_iopl:
1059   case amd64_x32_sys_iopl:
1060     return gdb_sys_iopl;
1061
1062   case amd64_sys_ioperm:
1063   case amd64_x32_sys_ioperm:
1064     return gdb_sys_ioperm;
1065
1066   case amd64_sys_init_module:
1067   case amd64_x32_sys_init_module:
1068     return gdb_sys_init_module;
1069
1070   case amd64_sys_delete_module:
1071   case amd64_x32_sys_delete_module:
1072     return gdb_sys_delete_module;
1073
1074   case amd64_sys_quotactl:
1075   case amd64_x32_sys_quotactl:
1076     return gdb_sys_quotactl;
1077
1078   case amd64_sys_nfsservctl:
1079     return gdb_sys_nfsservctl;
1080
1081   case amd64_sys_gettid:
1082   case amd64_x32_sys_gettid:
1083     return gdb_sys_gettid;
1084
1085   case amd64_sys_readahead:
1086   case amd64_x32_sys_readahead:
1087     return gdb_sys_readahead;
1088
1089   case amd64_sys_setxattr:
1090   case amd64_x32_sys_setxattr:
1091     return gdb_sys_setxattr;
1092
1093   case amd64_sys_lsetxattr:
1094   case amd64_x32_sys_lsetxattr:
1095     return gdb_sys_lsetxattr;
1096
1097   case amd64_sys_fsetxattr:
1098   case amd64_x32_sys_fsetxattr:
1099     return gdb_sys_fsetxattr;
1100
1101   case amd64_sys_getxattr:
1102   case amd64_x32_sys_getxattr:
1103     return gdb_sys_getxattr;
1104
1105   case amd64_sys_lgetxattr:
1106   case amd64_x32_sys_lgetxattr:
1107     return gdb_sys_lgetxattr;
1108
1109   case amd64_sys_fgetxattr:
1110   case amd64_x32_sys_fgetxattr:
1111     return gdb_sys_fgetxattr;
1112
1113   case amd64_sys_listxattr:
1114   case amd64_x32_sys_listxattr:
1115     return gdb_sys_listxattr;
1116
1117   case amd64_sys_llistxattr:
1118   case amd64_x32_sys_llistxattr:
1119     return gdb_sys_llistxattr;
1120
1121   case amd64_sys_flistxattr:
1122   case amd64_x32_sys_flistxattr:
1123     return gdb_sys_flistxattr;
1124
1125   case amd64_sys_removexattr:
1126   case amd64_x32_sys_removexattr:
1127     return gdb_sys_removexattr;
1128
1129   case amd64_sys_lremovexattr:
1130   case amd64_x32_sys_lremovexattr:
1131     return gdb_sys_lremovexattr;
1132
1133   case amd64_sys_fremovexattr:
1134   case amd64_x32_sys_fremovexattr:
1135     return gdb_sys_fremovexattr;
1136
1137   case amd64_sys_tkill:
1138   case amd64_x32_sys_tkill:
1139     return gdb_sys_tkill;
1140
1141   case amd64_sys_time:
1142   case amd64_x32_sys_time:
1143     return gdb_sys_time;
1144
1145   case amd64_sys_futex:
1146   case amd64_x32_sys_futex:
1147     return gdb_sys_futex;
1148
1149   case amd64_sys_sched_setaffinity:
1150   case amd64_x32_sys_sched_setaffinity:
1151     return gdb_sys_sched_setaffinity;
1152
1153   case amd64_sys_sched_getaffinity:
1154   case amd64_x32_sys_sched_getaffinity:
1155     return gdb_sys_sched_getaffinity;
1156
1157   case amd64_sys_io_setup:
1158   case amd64_x32_sys_io_setup:
1159     return gdb_sys_io_setup;
1160
1161   case amd64_sys_io_destroy:
1162   case amd64_x32_sys_io_destroy:
1163     return gdb_sys_io_destroy;
1164
1165   case amd64_sys_io_getevents:
1166   case amd64_x32_sys_io_getevents:
1167     return gdb_sys_io_getevents;
1168
1169   case amd64_sys_io_submit:
1170   case amd64_x32_sys_io_submit:
1171     return gdb_sys_io_submit;
1172
1173   case amd64_sys_io_cancel:
1174   case amd64_x32_sys_io_cancel:
1175     return gdb_sys_io_cancel;
1176
1177   case amd64_sys_lookup_dcookie:
1178   case amd64_x32_sys_lookup_dcookie:
1179     return gdb_sys_lookup_dcookie;
1180
1181   case amd64_sys_epoll_create:
1182   case amd64_x32_sys_epoll_create:
1183     return gdb_sys_epoll_create;
1184
1185   case amd64_sys_remap_file_pages:
1186   case amd64_x32_sys_remap_file_pages:
1187     return gdb_sys_remap_file_pages;
1188
1189   case amd64_sys_getdents64:
1190   case amd64_x32_sys_getdents64:
1191     return gdb_sys_getdents64;
1192
1193   case amd64_sys_set_tid_address:
1194   case amd64_x32_sys_set_tid_address:
1195     return gdb_sys_set_tid_address;
1196
1197   case amd64_sys_restart_syscall:
1198   case amd64_x32_sys_restart_syscall:
1199     return gdb_sys_restart_syscall;
1200
1201   case amd64_sys_semtimedop:
1202   case amd64_x32_sys_semtimedop:
1203     return gdb_sys_semtimedop;
1204
1205   case amd64_sys_fadvise64:
1206   case amd64_x32_sys_fadvise64:
1207     return gdb_sys_fadvise64;
1208
1209   case amd64_sys_timer_create:
1210   case amd64_x32_sys_timer_create:
1211     return gdb_sys_timer_create;
1212
1213   case amd64_sys_timer_settime:
1214   case amd64_x32_sys_timer_settime:
1215     return gdb_sys_timer_settime;
1216
1217   case amd64_sys_timer_gettime:
1218   case amd64_x32_sys_timer_gettime:
1219     return gdb_sys_timer_gettime;
1220
1221   case amd64_sys_timer_getoverrun:
1222   case amd64_x32_sys_timer_getoverrun:
1223     return gdb_sys_timer_getoverrun;
1224
1225   case amd64_sys_timer_delete:
1226   case amd64_x32_sys_timer_delete:
1227     return gdb_sys_timer_delete;
1228
1229   case amd64_sys_clock_settime:
1230   case amd64_x32_sys_clock_settime:
1231     return gdb_sys_clock_settime;
1232
1233   case amd64_sys_clock_gettime:
1234   case amd64_x32_sys_clock_gettime:
1235     return gdb_sys_clock_gettime;
1236
1237   case amd64_sys_clock_getres:
1238   case amd64_x32_sys_clock_getres:
1239     return gdb_sys_clock_getres;
1240
1241   case amd64_sys_clock_nanosleep:
1242   case amd64_x32_sys_clock_nanosleep:
1243     return gdb_sys_clock_nanosleep;
1244
1245   case amd64_sys_exit_group:
1246   case amd64_x32_sys_exit_group:
1247     return gdb_sys_exit_group;
1248
1249   case amd64_sys_epoll_wait:
1250   case amd64_x32_sys_epoll_wait:
1251     return gdb_sys_epoll_wait;
1252
1253   case amd64_sys_epoll_ctl:
1254   case amd64_x32_sys_epoll_ctl:
1255     return gdb_sys_epoll_ctl;
1256
1257   case amd64_sys_tgkill:
1258   case amd64_x32_sys_tgkill:
1259     return gdb_sys_tgkill;
1260
1261   case amd64_sys_utimes:
1262   case amd64_x32_sys_utimes:
1263     return gdb_sys_utimes;
1264
1265   case amd64_sys_mbind:
1266   case amd64_x32_sys_mbind:
1267     return gdb_sys_mbind;
1268
1269   case amd64_sys_set_mempolicy:
1270   case amd64_x32_sys_set_mempolicy:
1271     return gdb_sys_set_mempolicy;
1272
1273   case amd64_sys_get_mempolicy:
1274   case amd64_x32_sys_get_mempolicy:
1275     return gdb_sys_get_mempolicy;
1276
1277   case amd64_sys_mq_open:
1278   case amd64_x32_sys_mq_open:
1279     return gdb_sys_mq_open;
1280
1281   case amd64_sys_mq_unlink:
1282   case amd64_x32_sys_mq_unlink:
1283     return gdb_sys_mq_unlink;
1284
1285   case amd64_sys_mq_timedsend:
1286   case amd64_x32_sys_mq_timedsend:
1287     return gdb_sys_mq_timedsend;
1288
1289   case amd64_sys_mq_timedreceive:
1290   case amd64_x32_sys_mq_timedreceive:
1291     return gdb_sys_mq_timedreceive;
1292
1293   case amd64_sys_mq_notify:
1294   case amd64_x32_sys_mq_notify:
1295     return gdb_sys_mq_notify;
1296
1297   case amd64_sys_mq_getsetattr:
1298   case amd64_x32_sys_mq_getsetattr:
1299     return gdb_sys_mq_getsetattr;
1300
1301   case amd64_sys_kexec_load:
1302   case amd64_x32_sys_kexec_load:
1303     return gdb_sys_kexec_load;
1304
1305   case amd64_sys_waitid:
1306   case amd64_x32_sys_waitid:
1307     return gdb_sys_waitid;
1308
1309   case amd64_sys_add_key:
1310   case amd64_x32_sys_add_key:
1311     return gdb_sys_add_key;
1312
1313   case amd64_sys_request_key:
1314   case amd64_x32_sys_request_key:
1315     return gdb_sys_request_key;
1316
1317   case amd64_sys_keyctl:
1318   case amd64_x32_sys_keyctl:
1319     return gdb_sys_keyctl;
1320
1321   case amd64_sys_ioprio_set:
1322   case amd64_x32_sys_ioprio_set:
1323     return gdb_sys_ioprio_set;
1324
1325   case amd64_sys_ioprio_get:
1326   case amd64_x32_sys_ioprio_get:
1327     return gdb_sys_ioprio_get;
1328
1329   case amd64_sys_inotify_init:
1330   case amd64_x32_sys_inotify_init:
1331     return gdb_sys_inotify_init;
1332
1333   case amd64_sys_inotify_add_watch:
1334   case amd64_x32_sys_inotify_add_watch:
1335     return gdb_sys_inotify_add_watch;
1336
1337   case amd64_sys_inotify_rm_watch:
1338   case amd64_x32_sys_inotify_rm_watch:
1339     return gdb_sys_inotify_rm_watch;
1340
1341   case amd64_sys_migrate_pages:
1342   case amd64_x32_sys_migrate_pages:
1343     return gdb_sys_migrate_pages;
1344
1345   case amd64_sys_openat:
1346   case amd64_x32_sys_openat:
1347     return gdb_sys_openat;
1348
1349   case amd64_sys_mkdirat:
1350   case amd64_x32_sys_mkdirat:
1351     return gdb_sys_mkdirat;
1352
1353   case amd64_sys_mknodat:
1354   case amd64_x32_sys_mknodat:
1355     return gdb_sys_mknodat;
1356
1357   case amd64_sys_fchownat:
1358   case amd64_x32_sys_fchownat:
1359     return gdb_sys_fchownat;
1360
1361   case amd64_sys_futimesat:
1362   case amd64_x32_sys_futimesat:
1363     return gdb_sys_futimesat;
1364
1365   case amd64_sys_newfstatat:
1366   case amd64_x32_sys_newfstatat:
1367     return gdb_sys_newfstatat;
1368
1369   case amd64_sys_unlinkat:
1370   case amd64_x32_sys_unlinkat:
1371     return gdb_sys_unlinkat;
1372
1373   case amd64_sys_renameat:
1374   case amd64_x32_sys_renameat:
1375     return gdb_sys_renameat;
1376
1377   case amd64_sys_linkat:
1378   case amd64_x32_sys_linkat:
1379     return gdb_sys_linkat;
1380
1381   case amd64_sys_symlinkat:
1382   case amd64_x32_sys_symlinkat:
1383     return gdb_sys_symlinkat;
1384
1385   case amd64_sys_readlinkat:
1386   case amd64_x32_sys_readlinkat:
1387     return gdb_sys_readlinkat;
1388
1389   case amd64_sys_fchmodat:
1390   case amd64_x32_sys_fchmodat:
1391     return gdb_sys_fchmodat;
1392
1393   case amd64_sys_faccessat:
1394   case amd64_x32_sys_faccessat:
1395     return gdb_sys_faccessat;
1396
1397   case amd64_sys_pselect6:
1398   case amd64_x32_sys_pselect6:
1399     return gdb_sys_pselect6;
1400
1401   case amd64_sys_ppoll:
1402   case amd64_x32_sys_ppoll:
1403     return gdb_sys_ppoll;
1404
1405   case amd64_sys_unshare:
1406   case amd64_x32_sys_unshare:
1407     return gdb_sys_unshare;
1408
1409   case amd64_sys_set_robust_list:
1410   case amd64_x32_sys_set_robust_list:
1411     return gdb_sys_set_robust_list;
1412
1413   case amd64_sys_get_robust_list:
1414   case amd64_x32_sys_get_robust_list:
1415     return gdb_sys_get_robust_list;
1416
1417   case amd64_sys_splice:
1418   case amd64_x32_sys_splice:
1419     return gdb_sys_splice;
1420
1421   case amd64_sys_tee:
1422   case amd64_x32_sys_tee:
1423     return gdb_sys_tee;
1424
1425   case amd64_sys_sync_file_range:
1426   case amd64_x32_sys_sync_file_range:
1427     return gdb_sys_sync_file_range;
1428
1429   case amd64_sys_vmsplice:
1430   case amd64_x32_sys_vmsplice:
1431     return gdb_sys_vmsplice;
1432
1433   case amd64_sys_move_pages:
1434   case amd64_x32_sys_move_pages:
1435     return gdb_sys_move_pages;
1436
1437   default:
1438     return gdb_sys_no_syscall;
1439   }
1440 }
1441
1442 /* Parse the arguments of current system call instruction and record
1443    the values of the registers and memory that will be changed into
1444    "record_full_arch_list".  This instruction is "syscall".
1445
1446    Return -1 if something wrong.  */
1447
1448 static struct linux_record_tdep amd64_linux_record_tdep;
1449 static struct linux_record_tdep amd64_x32_linux_record_tdep;
1450
1451 #define RECORD_ARCH_GET_FS      0x1003
1452 #define RECORD_ARCH_GET_GS      0x1004
1453
1454 static int
1455 amd64_linux_syscall_record_common (struct regcache *regcache,
1456                                    struct linux_record_tdep *linux_record_tdep_p)
1457 {
1458   int ret;
1459   ULONGEST syscall_native;
1460   enum gdb_syscall syscall_gdb = gdb_sys_no_syscall;
1461
1462   regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native);
1463
1464   switch (syscall_native)
1465     {
1466     case amd64_sys_rt_sigreturn:
1467     case amd64_x32_sys_rt_sigreturn:
1468       if (amd64_all_but_ip_registers_record (regcache))
1469         return -1;
1470       return 0;
1471       break;
1472
1473     case amd64_sys_arch_prctl:
1474     case amd64_x32_sys_arch_prctl:
1475       {
1476         ULONGEST arg3;
1477         regcache_raw_read_unsigned (regcache, linux_record_tdep_p->arg3,
1478                                     &arg3);
1479         if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS)
1480           {
1481             CORE_ADDR addr;
1482
1483             regcache_raw_read_unsigned (regcache,
1484                                         linux_record_tdep_p->arg2,
1485                                         &addr);
1486             if (record_full_arch_list_add_mem
1487                 (addr, linux_record_tdep_p->size_ulong))
1488               return -1;
1489           }
1490         goto record_regs;
1491       }
1492       break;
1493     }
1494
1495   syscall_gdb
1496     = amd64_canonicalize_syscall ((enum amd64_syscall) syscall_native);
1497
1498   if (syscall_gdb == gdb_sys_no_syscall)
1499     {
1500       printf_unfiltered (_("Process record and replay target doesn't "
1501                            "support syscall number %s\n"),
1502                          pulongest (syscall_native));
1503       return -1;
1504     }
1505   else
1506     {
1507       ret = record_linux_system_call (syscall_gdb, regcache,
1508                                       linux_record_tdep_p);
1509       if (ret)
1510         return ret;
1511     }
1512
1513  record_regs:
1514   /* Record the return value of the system call.  */
1515   if (record_full_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
1516     return -1;
1517   if (record_full_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
1518     return -1;
1519
1520   return 0;
1521 }
1522
1523 static int
1524 amd64_linux_syscall_record (struct regcache *regcache)
1525 {
1526   return amd64_linux_syscall_record_common (regcache,
1527                                             &amd64_linux_record_tdep);
1528 }
1529
1530 static int
1531 amd64_x32_linux_syscall_record (struct regcache *regcache)
1532 {
1533   return amd64_linux_syscall_record_common (regcache,
1534                                             &amd64_x32_linux_record_tdep);
1535 }
1536
1537 #define AMD64_LINUX_redzone    128
1538 #define AMD64_LINUX_xstate     512
1539 #define AMD64_LINUX_frame_size 560
1540
1541 static int
1542 amd64_linux_record_signal (struct gdbarch *gdbarch,
1543                            struct regcache *regcache,
1544                            enum gdb_signal signal)
1545 {
1546   ULONGEST rsp;
1547
1548   if (amd64_all_but_ip_registers_record (regcache))
1549     return -1;
1550
1551   if (record_full_arch_list_add_reg (regcache, AMD64_RIP_REGNUM))
1552     return -1;
1553
1554   /* Record the change in the stack.  */
1555   regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp);
1556   /* redzone
1557      sp -= 128; */
1558   rsp -= AMD64_LINUX_redzone;
1559   /* This is for xstate.
1560      sp -= sizeof (struct _fpstate);  */
1561   rsp -= AMD64_LINUX_xstate;
1562   /* This is for frame_size.
1563      sp -= sizeof (struct rt_sigframe);  */
1564   rsp -= AMD64_LINUX_frame_size;
1565   if (record_full_arch_list_add_mem (rsp, AMD64_LINUX_redzone
1566                                      + AMD64_LINUX_xstate
1567                                      + AMD64_LINUX_frame_size))
1568     return -1;
1569
1570   if (record_full_arch_list_add_end ())
1571     return -1;
1572
1573   return 0;
1574 }
1575
1576 /* Get Linux/x86 target description from core dump.  */
1577
1578 static const struct target_desc *
1579 amd64_linux_core_read_description (struct gdbarch *gdbarch,
1580                                   struct target_ops *target,
1581                                   bfd *abfd)
1582 {
1583   /* Linux/x86-64.  */
1584   uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
1585
1586   switch (xcr0 & X86_XSTATE_ALL_MASK)
1587     {
1588     case X86_XSTATE_MPX_AVX512_MASK:
1589     case X86_XSTATE_AVX512_MASK:
1590       if (gdbarch_ptr_bit (gdbarch) == 32)
1591         return tdesc_x32_avx512_linux;
1592       else
1593         return tdesc_amd64_avx512_linux;
1594     case X86_XSTATE_MPX_MASK:
1595       if (gdbarch_ptr_bit (gdbarch) == 32)
1596         return tdesc_x32_avx_linux;  /* No x32 MPX falling back to AVX.  */
1597       else
1598         return tdesc_amd64_mpx_linux;
1599     case X86_XSTATE_AVX_MPX_MASK:
1600       if (gdbarch_ptr_bit (gdbarch) == 32)
1601         return tdesc_x32_avx_linux;  /* No x32 MPX falling back to AVX.  */
1602       else
1603         return tdesc_amd64_avx_mpx_linux;
1604     case X86_XSTATE_AVX_MASK:
1605       if (gdbarch_ptr_bit (gdbarch) == 32)
1606         return tdesc_x32_avx_linux;
1607       else
1608         return tdesc_amd64_avx_linux;
1609     default:
1610       if (gdbarch_ptr_bit (gdbarch) == 32)
1611         return tdesc_x32_linux;
1612       else
1613         return tdesc_amd64_linux;
1614     }
1615 }
1616
1617 /* Similar to amd64_supply_fpregset, but use XSAVE extended state.  */
1618
1619 static void
1620 amd64_linux_supply_xstateregset (const struct regset *regset,
1621                                  struct regcache *regcache, int regnum,
1622                                  const void *xstateregs, size_t len)
1623 {
1624   amd64_supply_xsave (regcache, regnum, xstateregs);
1625 }
1626
1627 /* Similar to amd64_collect_fpregset, but use XSAVE extended state.  */
1628
1629 static void
1630 amd64_linux_collect_xstateregset (const struct regset *regset,
1631                                   const struct regcache *regcache,
1632                                   int regnum, void *xstateregs, size_t len)
1633 {
1634   amd64_collect_xsave (regcache, regnum, xstateregs, 1);
1635 }
1636
1637 static const struct regset amd64_linux_xstateregset =
1638   {
1639     NULL,
1640     amd64_linux_supply_xstateregset,
1641     amd64_linux_collect_xstateregset
1642   };
1643
1644 /* Iterate over core file register note sections.  */
1645
1646 static void
1647 amd64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
1648                                           iterate_over_regset_sections_cb *cb,
1649                                           void *cb_data,
1650                                           const struct regcache *regcache)
1651 {
1652   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1653
1654   cb (".reg", 27 * 8, &i386_gregset, NULL, cb_data);
1655   cb (".reg2", 512, &amd64_fpregset, NULL, cb_data);
1656   cb (".reg-xstate",  X86_XSTATE_SIZE (tdep->xcr0),
1657       &amd64_linux_xstateregset, "XSAVE extended state", cb_data);
1658 }
1659
1660 /* The instruction sequences used in x86_64 machines for a
1661    disabled is-enabled probe.  */
1662
1663 const gdb_byte amd64_dtrace_disabled_probe_sequence_1[] = {
1664   /* xor %rax, %rax */  0x48, 0x33, 0xc0,
1665   /* nop            */  0x90,
1666   /* nop            */  0x90
1667 };
1668
1669 const gdb_byte amd64_dtrace_disabled_probe_sequence_2[] = {
1670   /* xor %rax, %rax */  0x48, 0x33, 0xc0,
1671   /* ret            */  0xc3,
1672   /* nop            */  0x90
1673 };
1674
1675 /* The instruction sequence used in x86_64 machines for enabling a
1676    DTrace is-enabled probe.  */
1677
1678 const gdb_byte amd64_dtrace_enable_probe_sequence[] = {
1679   /* mov $0x1, %eax */ 0xb8, 0x01, 0x00, 0x00, 0x00
1680 };
1681
1682 /* The instruction sequence used in x86_64 machines for disabling a
1683    DTrace is-enabled probe.  */
1684
1685 const gdb_byte amd64_dtrace_disable_probe_sequence[] = {
1686   /* xor %rax, %rax; nop; nop */ 0x48, 0x33, 0xC0, 0x90, 0x90
1687 };
1688
1689 /* Implementation of `gdbarch_dtrace_probe_is_enabled', as defined in
1690    gdbarch.h.  */
1691
1692 static int
1693 amd64_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr)
1694 {
1695   gdb_byte buf[5];
1696
1697   /* This function returns 1 if the instructions at ADDR do _not_
1698      follow any of the amd64_dtrace_disabled_probe_sequence_*
1699      patterns.
1700
1701      Note that ADDR is offset 3 bytes from the beginning of these
1702      sequences.  */
1703
1704   read_code (addr - 3, buf, 5);
1705   return (memcmp (buf, amd64_dtrace_disabled_probe_sequence_1, 5) != 0
1706           && memcmp (buf, amd64_dtrace_disabled_probe_sequence_2, 5) != 0);
1707 }
1708
1709 /* Implementation of `gdbarch_dtrace_enable_probe', as defined in
1710    gdbarch.h.  */
1711
1712 static void
1713 amd64_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1714 {
1715   /* Note also that ADDR is offset 3 bytes from the beginning of
1716      amd64_dtrace_enable_probe_sequence.  */
1717
1718   write_memory (addr - 3, amd64_dtrace_enable_probe_sequence, 5);
1719 }
1720
1721 /* Implementation of `gdbarch_dtrace_disable_probe', as defined in
1722    gdbarch.h.  */
1723
1724 static void
1725 amd64_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr)
1726 {
1727   /* Note also that ADDR is offset 3 bytes from the beginning of
1728      amd64_dtrace_disable_probe_sequence.  */
1729
1730   write_memory (addr - 3, amd64_dtrace_disable_probe_sequence, 5);
1731 }
1732
1733 /* Implementation of `gdbarch_dtrace_parse_probe_argument', as defined
1734    in gdbarch.h.  */
1735
1736 static void
1737 amd64_dtrace_parse_probe_argument (struct gdbarch *gdbarch,
1738                                    struct parser_state *pstate,
1739                                    int narg)
1740 {
1741   struct stoken str;
1742
1743   /* DTrace probe arguments can be found on the ABI-defined places for
1744      regular arguments at the current PC.  The probe abstraction
1745      currently supports up to 12 arguments for probes.  */
1746
1747   if (narg < 6)
1748     {
1749       static const int arg_reg_map[6] =
1750         {
1751           AMD64_RDI_REGNUM,  /* Arg 1.  */
1752           AMD64_RSI_REGNUM,  /* Arg 2.  */
1753           AMD64_RDX_REGNUM,  /* Arg 3.  */
1754           AMD64_RCX_REGNUM,  /* Arg 4.  */
1755           AMD64_R8_REGNUM,   /* Arg 5.  */
1756           AMD64_R9_REGNUM    /* Arg 6.  */
1757         };
1758       int regno = arg_reg_map[narg];
1759       const char *regname = user_reg_map_regnum_to_name (gdbarch, regno);
1760
1761       write_exp_elt_opcode (pstate, OP_REGISTER);
1762       str.ptr = regname;
1763       str.length = strlen (regname);
1764       write_exp_string (pstate, str);
1765       write_exp_elt_opcode (pstate, OP_REGISTER);
1766     }
1767   else
1768     {
1769       /* Additional arguments are passed on the stack.  */
1770       const char *regname = user_reg_map_regnum_to_name (gdbarch, AMD64_RSP_REGNUM);
1771
1772       /* Displacement.  */
1773       write_exp_elt_opcode (pstate, OP_LONG);
1774       write_exp_elt_type (pstate, builtin_type (gdbarch)->builtin_long);
1775       write_exp_elt_longcst (pstate, narg - 6);
1776       write_exp_elt_opcode (pstate, OP_LONG);
1777
1778       /* Register: SP.  */
1779       write_exp_elt_opcode (pstate, OP_REGISTER);
1780       str.ptr = regname;
1781       str.length = strlen (regname);
1782       write_exp_string (pstate, str);
1783       write_exp_elt_opcode (pstate, OP_REGISTER);
1784
1785       write_exp_elt_opcode (pstate, BINOP_ADD);
1786
1787       /* Cast to long. */
1788       write_exp_elt_opcode (pstate, UNOP_CAST);
1789       write_exp_elt_type (pstate,
1790                           lookup_pointer_type (builtin_type (gdbarch)->builtin_long));
1791       write_exp_elt_opcode (pstate, UNOP_CAST);
1792
1793       write_exp_elt_opcode (pstate, UNOP_IND);
1794     }
1795 }
1796
1797 static void
1798 amd64_linux_init_abi_common(struct gdbarch_info info, struct gdbarch *gdbarch)
1799 {
1800   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1801
1802   linux_init_abi (info, gdbarch);
1803
1804   tdep->sigtramp_p = amd64_linux_sigtramp_p;
1805   tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
1806   tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
1807   tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);
1808
1809   tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET;
1810
1811   /* Add the %orig_rax register used for syscall restarting.  */
1812   set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc);
1813
1814   tdep->register_reggroup_p = amd64_linux_register_reggroup_p;
1815
1816   /* Functions for 'catch syscall'.  */
1817   set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_AMD64);
1818   set_gdbarch_get_syscall_number (gdbarch,
1819                                   amd64_linux_get_syscall_number);
1820
1821   /* Enable TLS support.  */
1822   set_gdbarch_fetch_tls_load_module_address (gdbarch,
1823                                              svr4_fetch_objfile_link_map);
1824
1825   /* GNU/Linux uses SVR4-style shared libraries.  */
1826   set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
1827
1828   /* GNU/Linux uses the dynamic linker included in the GNU C Library.  */
1829   set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
1830
1831   /* Iterate over core file register note sections.  */
1832   set_gdbarch_iterate_over_regset_sections
1833     (gdbarch, amd64_linux_iterate_over_regset_sections);
1834
1835   set_gdbarch_core_read_description (gdbarch,
1836                                      amd64_linux_core_read_description);
1837
1838   /* Displaced stepping.  */
1839   set_gdbarch_displaced_step_copy_insn (gdbarch,
1840                                         amd64_displaced_step_copy_insn);
1841   set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup);
1842   set_gdbarch_displaced_step_free_closure (gdbarch,
1843                                            simple_displaced_step_free_closure);
1844   set_gdbarch_displaced_step_location (gdbarch,
1845                                        linux_displaced_step_location);
1846
1847   set_gdbarch_process_record (gdbarch, i386_process_record);
1848   set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
1849
1850   set_gdbarch_get_siginfo_type (gdbarch, x86_linux_get_siginfo_type);
1851   set_gdbarch_handle_segmentation_fault (gdbarch,
1852                                          i386_linux_handle_segmentation_fault);
1853 }
1854
1855 static void
1856 amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
1857 {
1858   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1859   const struct target_desc *tdesc = info.target_desc;
1860   struct tdesc_arch_data *tdesc_data
1861     = (struct tdesc_arch_data *) info.tdep_info;
1862   const struct tdesc_feature *feature;
1863   int valid_p;
1864
1865   gdb_assert (tdesc_data);
1866
1867   tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
1868   tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
1869   tdep->sizeof_gregset = 27 * 8;
1870
1871   amd64_init_abi (info, gdbarch);
1872
1873   /* Reserve a number for orig_rax.  */
1874   set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
1875
1876   if (! tdesc_has_registers (tdesc))
1877     tdesc = tdesc_amd64_linux;
1878   tdep->tdesc = tdesc;
1879
1880   feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
1881   if (feature == NULL)
1882     return;
1883
1884   valid_p = tdesc_numbered_register (feature, tdesc_data,
1885                                      AMD64_LINUX_ORIG_RAX_REGNUM,
1886                                      "orig_rax");
1887   if (!valid_p)
1888     return;
1889
1890   amd64_linux_init_abi_common (info, gdbarch);
1891
1892   /* Initialize the amd64_linux_record_tdep.  */
1893   /* These values are the size of the type that will be used in a system
1894      call.  They are obtained from Linux Kernel source.  */
1895   amd64_linux_record_tdep.size_pointer
1896     = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
1897   amd64_linux_record_tdep.size__old_kernel_stat = 32;
1898   amd64_linux_record_tdep.size_tms = 32;
1899   amd64_linux_record_tdep.size_loff_t = 8;
1900   amd64_linux_record_tdep.size_flock = 32;
1901   amd64_linux_record_tdep.size_oldold_utsname = 45;
1902   amd64_linux_record_tdep.size_ustat = 32;
1903   /* ADM64 doesn't need this size because it doesn't have sys_sigaction
1904      but sys_rt_sigaction.  */
1905   amd64_linux_record_tdep.size_old_sigaction = 32;
1906   /* ADM64 doesn't need this size because it doesn't have sys_sigpending
1907      but sys_rt_sigpending.  */
1908   amd64_linux_record_tdep.size_old_sigset_t = 8;
1909   amd64_linux_record_tdep.size_rlimit = 16;
1910   amd64_linux_record_tdep.size_rusage = 144;
1911   amd64_linux_record_tdep.size_timeval = 16;
1912   amd64_linux_record_tdep.size_timezone = 8;
1913   /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
1914      but sys_getgroups.  */
1915   amd64_linux_record_tdep.size_old_gid_t = 2;
1916   /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
1917      but sys_getresuid.  */
1918   amd64_linux_record_tdep.size_old_uid_t = 2;
1919   amd64_linux_record_tdep.size_fd_set = 128;
1920   /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
1921   amd64_linux_record_tdep.size_old_dirent = 280;
1922   amd64_linux_record_tdep.size_statfs = 120;
1923   amd64_linux_record_tdep.size_statfs64 = 120;
1924   amd64_linux_record_tdep.size_sockaddr = 16;
1925   amd64_linux_record_tdep.size_int
1926     = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
1927   amd64_linux_record_tdep.size_long
1928     = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1929   amd64_linux_record_tdep.size_ulong
1930     = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1931   amd64_linux_record_tdep.size_msghdr = 56;
1932   amd64_linux_record_tdep.size_itimerval = 32;
1933   amd64_linux_record_tdep.size_stat = 144;
1934   amd64_linux_record_tdep.size_old_utsname = 325;
1935   amd64_linux_record_tdep.size_sysinfo = 112;
1936   amd64_linux_record_tdep.size_msqid_ds = 120;
1937   amd64_linux_record_tdep.size_shmid_ds = 112;
1938   amd64_linux_record_tdep.size_new_utsname = 390;
1939   amd64_linux_record_tdep.size_timex = 208;
1940   amd64_linux_record_tdep.size_mem_dqinfo = 24;
1941   amd64_linux_record_tdep.size_if_dqblk = 72;
1942   amd64_linux_record_tdep.size_fs_quota_stat = 80;
1943   amd64_linux_record_tdep.size_timespec = 16;
1944   amd64_linux_record_tdep.size_pollfd = 8;
1945   amd64_linux_record_tdep.size_NFS_FHSIZE = 32;
1946   amd64_linux_record_tdep.size_knfsd_fh = 132;
1947   amd64_linux_record_tdep.size_TASK_COMM_LEN = 16;
1948   amd64_linux_record_tdep.size_sigaction = 32;
1949   amd64_linux_record_tdep.size_sigset_t = 8;
1950   amd64_linux_record_tdep.size_siginfo_t = 128;
1951   amd64_linux_record_tdep.size_cap_user_data_t = 8;
1952   amd64_linux_record_tdep.size_stack_t = 24;
1953   amd64_linux_record_tdep.size_off_t = 8;
1954   amd64_linux_record_tdep.size_stat64 = 144;
1955   amd64_linux_record_tdep.size_gid_t = 4;
1956   amd64_linux_record_tdep.size_uid_t = 4;
1957   amd64_linux_record_tdep.size_PAGE_SIZE = 4096;
1958   amd64_linux_record_tdep.size_flock64 = 32;
1959   amd64_linux_record_tdep.size_user_desc = 16;
1960   amd64_linux_record_tdep.size_io_event = 32;
1961   amd64_linux_record_tdep.size_iocb = 64;
1962   amd64_linux_record_tdep.size_epoll_event = 12;
1963   amd64_linux_record_tdep.size_itimerspec = 32;
1964   amd64_linux_record_tdep.size_mq_attr = 64;
1965   amd64_linux_record_tdep.size_termios = 36;
1966   amd64_linux_record_tdep.size_termios2 = 44;
1967   amd64_linux_record_tdep.size_pid_t = 4;
1968   amd64_linux_record_tdep.size_winsize = 8;
1969   amd64_linux_record_tdep.size_serial_struct = 72;
1970   amd64_linux_record_tdep.size_serial_icounter_struct = 80;
1971   amd64_linux_record_tdep.size_hayes_esp_config = 12;
1972   amd64_linux_record_tdep.size_size_t = 8;
1973   amd64_linux_record_tdep.size_iovec = 16;
1974   amd64_linux_record_tdep.size_time_t = 8;
1975
1976   /* These values are the second argument of system call "sys_fcntl"
1977      and "sys_fcntl64".  They are obtained from Linux Kernel source.  */
1978   amd64_linux_record_tdep.fcntl_F_GETLK = 5;
1979   amd64_linux_record_tdep.fcntl_F_GETLK64 = 12;
1980   amd64_linux_record_tdep.fcntl_F_SETLK64 = 13;
1981   amd64_linux_record_tdep.fcntl_F_SETLKW64 = 14;
1982
1983   amd64_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
1984   amd64_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
1985   amd64_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
1986   amd64_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
1987   amd64_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
1988   amd64_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
1989
1990   /* These values are the second argument of system call "sys_ioctl".
1991      They are obtained from Linux Kernel source.  */
1992   amd64_linux_record_tdep.ioctl_TCGETS = 0x5401;
1993   amd64_linux_record_tdep.ioctl_TCSETS = 0x5402;
1994   amd64_linux_record_tdep.ioctl_TCSETSW = 0x5403;
1995   amd64_linux_record_tdep.ioctl_TCSETSF = 0x5404;
1996   amd64_linux_record_tdep.ioctl_TCGETA = 0x5405;
1997   amd64_linux_record_tdep.ioctl_TCSETA = 0x5406;
1998   amd64_linux_record_tdep.ioctl_TCSETAW = 0x5407;
1999   amd64_linux_record_tdep.ioctl_TCSETAF = 0x5408;
2000   amd64_linux_record_tdep.ioctl_TCSBRK = 0x5409;
2001   amd64_linux_record_tdep.ioctl_TCXONC = 0x540A;
2002   amd64_linux_record_tdep.ioctl_TCFLSH = 0x540B;
2003   amd64_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
2004   amd64_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
2005   amd64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
2006   amd64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
2007   amd64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
2008   amd64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
2009   amd64_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
2010   amd64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
2011   amd64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
2012   amd64_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
2013   amd64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
2014   amd64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
2015   amd64_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
2016   amd64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
2017   amd64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
2018   amd64_linux_record_tdep.ioctl_FIONREAD = 0x541B;
2019   amd64_linux_record_tdep.ioctl_TIOCINQ
2020     = amd64_linux_record_tdep.ioctl_FIONREAD;
2021   amd64_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
2022   amd64_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
2023   amd64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
2024   amd64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
2025   amd64_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
2026   amd64_linux_record_tdep.ioctl_FIONBIO = 0x5421;
2027   amd64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
2028   amd64_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
2029   amd64_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
2030   amd64_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
2031   amd64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
2032   amd64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
2033   amd64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
2034   amd64_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
2035   amd64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
2036   amd64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
2037   amd64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
2038   amd64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
2039   amd64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
2040   amd64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
2041   amd64_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
2042   amd64_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
2043   amd64_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
2044   amd64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
2045   amd64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
2046   amd64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
2047   amd64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
2048   amd64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
2049   amd64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
2050   amd64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
2051   amd64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
2052   amd64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
2053   amd64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
2054   amd64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
2055   amd64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
2056   amd64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
2057   amd64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
2058
2059   tdep->i386_syscall_record = amd64_linux_syscall_record;
2060
2061   /* GNU/Linux uses SVR4-style shared libraries.  */
2062   set_solib_svr4_fetch_link_map_offsets
2063     (gdbarch, svr4_lp64_fetch_link_map_offsets);
2064
2065   /* Register DTrace handlers.  */
2066   set_gdbarch_dtrace_parse_probe_argument (gdbarch, amd64_dtrace_parse_probe_argument);
2067   set_gdbarch_dtrace_probe_is_enabled (gdbarch, amd64_dtrace_probe_is_enabled);
2068   set_gdbarch_dtrace_enable_probe (gdbarch, amd64_dtrace_enable_probe);
2069   set_gdbarch_dtrace_disable_probe (gdbarch, amd64_dtrace_disable_probe);
2070 }
2071
2072 static void
2073 amd64_x32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
2074 {
2075   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
2076   const struct target_desc *tdesc = info.target_desc;
2077   struct tdesc_arch_data *tdesc_data
2078     = (struct tdesc_arch_data *) info.tdep_info;
2079   const struct tdesc_feature *feature;
2080   int valid_p;
2081
2082   gdb_assert (tdesc_data);
2083
2084   tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
2085   tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
2086   tdep->sizeof_gregset = 27 * 8;
2087
2088   amd64_x32_init_abi (info, gdbarch);
2089
2090   /* Reserve a number for orig_rax.  */
2091   set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
2092
2093   if (! tdesc_has_registers (tdesc))
2094     tdesc = tdesc_x32_linux;
2095   tdep->tdesc = tdesc;
2096
2097   feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
2098   if (feature == NULL)
2099     return;
2100
2101   valid_p = tdesc_numbered_register (feature, tdesc_data,
2102                                      AMD64_LINUX_ORIG_RAX_REGNUM,
2103                                      "orig_rax");
2104   if (!valid_p)
2105     return;
2106
2107   amd64_linux_init_abi_common (info, gdbarch);
2108
2109   /* Initialize the amd64_x32_linux_record_tdep.  */
2110   /* These values are the size of the type that will be used in a system
2111      call.  They are obtained from Linux Kernel source.  */
2112   amd64_x32_linux_record_tdep.size_pointer
2113     = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
2114   amd64_x32_linux_record_tdep.size__old_kernel_stat = 32;
2115   amd64_x32_linux_record_tdep.size_tms = 32;
2116   amd64_x32_linux_record_tdep.size_loff_t = 8;
2117   amd64_x32_linux_record_tdep.size_flock = 32;
2118   amd64_x32_linux_record_tdep.size_oldold_utsname = 45;
2119   amd64_x32_linux_record_tdep.size_ustat = 32;
2120   /* ADM64 doesn't need this size because it doesn't have sys_sigaction
2121      but sys_rt_sigaction.  */
2122   amd64_x32_linux_record_tdep.size_old_sigaction = 16;
2123   /* ADM64 doesn't need this size because it doesn't have sys_sigpending
2124      but sys_rt_sigpending.  */
2125   amd64_x32_linux_record_tdep.size_old_sigset_t = 4;
2126   amd64_x32_linux_record_tdep.size_rlimit = 16;
2127   amd64_x32_linux_record_tdep.size_rusage = 144;
2128   amd64_x32_linux_record_tdep.size_timeval = 16;
2129   amd64_x32_linux_record_tdep.size_timezone = 8;
2130   /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
2131      but sys_getgroups.  */
2132   amd64_x32_linux_record_tdep.size_old_gid_t = 2;
2133   /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
2134      but sys_getresuid.  */
2135   amd64_x32_linux_record_tdep.size_old_uid_t = 2;
2136   amd64_x32_linux_record_tdep.size_fd_set = 128;
2137   /* ADM64 doesn't need this size because it doesn't have sys_readdir. */
2138   amd64_x32_linux_record_tdep.size_old_dirent = 268;
2139   amd64_x32_linux_record_tdep.size_statfs = 120;
2140   amd64_x32_linux_record_tdep.size_statfs64 = 120;
2141   amd64_x32_linux_record_tdep.size_sockaddr = 16;
2142   amd64_x32_linux_record_tdep.size_int
2143     = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
2144   amd64_x32_linux_record_tdep.size_long
2145     = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2146   amd64_x32_linux_record_tdep.size_ulong
2147     = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
2148   amd64_x32_linux_record_tdep.size_msghdr = 28;
2149   amd64_x32_linux_record_tdep.size_itimerval = 32;
2150   amd64_x32_linux_record_tdep.size_stat = 144;
2151   amd64_x32_linux_record_tdep.size_old_utsname = 325;
2152   amd64_x32_linux_record_tdep.size_sysinfo = 112;
2153   amd64_x32_linux_record_tdep.size_msqid_ds = 120;
2154   amd64_x32_linux_record_tdep.size_shmid_ds = 112;
2155   amd64_x32_linux_record_tdep.size_new_utsname = 390;
2156   amd64_x32_linux_record_tdep.size_timex = 208;
2157   amd64_x32_linux_record_tdep.size_mem_dqinfo = 24;
2158   amd64_x32_linux_record_tdep.size_if_dqblk = 72;
2159   amd64_x32_linux_record_tdep.size_fs_quota_stat = 80;
2160   amd64_x32_linux_record_tdep.size_timespec = 16;
2161   amd64_x32_linux_record_tdep.size_pollfd = 8;
2162   amd64_x32_linux_record_tdep.size_NFS_FHSIZE = 32;
2163   amd64_x32_linux_record_tdep.size_knfsd_fh = 132;
2164   amd64_x32_linux_record_tdep.size_TASK_COMM_LEN = 16;
2165   amd64_x32_linux_record_tdep.size_sigaction = 20;
2166   amd64_x32_linux_record_tdep.size_sigset_t = 8;
2167   amd64_x32_linux_record_tdep.size_siginfo_t = 128;
2168   amd64_x32_linux_record_tdep.size_cap_user_data_t = 8;
2169   amd64_x32_linux_record_tdep.size_stack_t = 12;
2170   amd64_x32_linux_record_tdep.size_off_t = 8;
2171   amd64_x32_linux_record_tdep.size_stat64 = 144;
2172   amd64_x32_linux_record_tdep.size_gid_t = 4;
2173   amd64_x32_linux_record_tdep.size_uid_t = 4;
2174   amd64_x32_linux_record_tdep.size_PAGE_SIZE = 4096;
2175   amd64_x32_linux_record_tdep.size_flock64 = 32;
2176   amd64_x32_linux_record_tdep.size_user_desc = 16;
2177   amd64_x32_linux_record_tdep.size_io_event = 32;
2178   amd64_x32_linux_record_tdep.size_iocb = 64;
2179   amd64_x32_linux_record_tdep.size_epoll_event = 12;
2180   amd64_x32_linux_record_tdep.size_itimerspec = 32;
2181   amd64_x32_linux_record_tdep.size_mq_attr = 64;
2182   amd64_x32_linux_record_tdep.size_termios = 36;
2183   amd64_x32_linux_record_tdep.size_termios2 = 44;
2184   amd64_x32_linux_record_tdep.size_pid_t = 4;
2185   amd64_x32_linux_record_tdep.size_winsize = 8;
2186   amd64_x32_linux_record_tdep.size_serial_struct = 72;
2187   amd64_x32_linux_record_tdep.size_serial_icounter_struct = 80;
2188   amd64_x32_linux_record_tdep.size_hayes_esp_config = 12;
2189   amd64_x32_linux_record_tdep.size_size_t = 4;
2190   amd64_x32_linux_record_tdep.size_iovec = 8;
2191   amd64_x32_linux_record_tdep.size_time_t = 8;
2192
2193   /* These values are the second argument of system call "sys_fcntl"
2194      and "sys_fcntl64".  They are obtained from Linux Kernel source.  */
2195   amd64_x32_linux_record_tdep.fcntl_F_GETLK = 5;
2196   amd64_x32_linux_record_tdep.fcntl_F_GETLK64 = 12;
2197   amd64_x32_linux_record_tdep.fcntl_F_SETLK64 = 13;
2198   amd64_x32_linux_record_tdep.fcntl_F_SETLKW64 = 14;
2199
2200   amd64_x32_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
2201   amd64_x32_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
2202   amd64_x32_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
2203   amd64_x32_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
2204   amd64_x32_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
2205   amd64_x32_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
2206
2207   /* These values are the second argument of system call "sys_ioctl".
2208      They are obtained from Linux Kernel source.  */
2209   amd64_x32_linux_record_tdep.ioctl_TCGETS = 0x5401;
2210   amd64_x32_linux_record_tdep.ioctl_TCSETS = 0x5402;
2211   amd64_x32_linux_record_tdep.ioctl_TCSETSW = 0x5403;
2212   amd64_x32_linux_record_tdep.ioctl_TCSETSF = 0x5404;
2213   amd64_x32_linux_record_tdep.ioctl_TCGETA = 0x5405;
2214   amd64_x32_linux_record_tdep.ioctl_TCSETA = 0x5406;
2215   amd64_x32_linux_record_tdep.ioctl_TCSETAW = 0x5407;
2216   amd64_x32_linux_record_tdep.ioctl_TCSETAF = 0x5408;
2217   amd64_x32_linux_record_tdep.ioctl_TCSBRK = 0x5409;
2218   amd64_x32_linux_record_tdep.ioctl_TCXONC = 0x540A;
2219   amd64_x32_linux_record_tdep.ioctl_TCFLSH = 0x540B;
2220   amd64_x32_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
2221   amd64_x32_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
2222   amd64_x32_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
2223   amd64_x32_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
2224   amd64_x32_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
2225   amd64_x32_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
2226   amd64_x32_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
2227   amd64_x32_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
2228   amd64_x32_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
2229   amd64_x32_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
2230   amd64_x32_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
2231   amd64_x32_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
2232   amd64_x32_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
2233   amd64_x32_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
2234   amd64_x32_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
2235   amd64_x32_linux_record_tdep.ioctl_FIONREAD = 0x541B;
2236   amd64_x32_linux_record_tdep.ioctl_TIOCINQ = amd64_x32_linux_record_tdep.ioctl_FIONREAD;
2237   amd64_x32_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
2238   amd64_x32_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
2239   amd64_x32_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
2240   amd64_x32_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
2241   amd64_x32_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
2242   amd64_x32_linux_record_tdep.ioctl_FIONBIO = 0x5421;
2243   amd64_x32_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
2244   amd64_x32_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
2245   amd64_x32_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
2246   amd64_x32_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
2247   amd64_x32_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
2248   amd64_x32_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
2249   amd64_x32_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
2250   amd64_x32_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
2251   amd64_x32_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
2252   amd64_x32_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
2253   amd64_x32_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
2254   amd64_x32_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
2255   amd64_x32_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
2256   amd64_x32_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
2257   amd64_x32_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
2258   amd64_x32_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
2259   amd64_x32_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
2260   amd64_x32_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
2261   amd64_x32_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
2262   amd64_x32_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
2263   amd64_x32_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
2264   amd64_x32_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
2265   amd64_x32_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
2266   amd64_x32_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
2267   amd64_x32_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
2268   amd64_x32_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
2269   amd64_x32_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
2270   amd64_x32_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
2271   amd64_x32_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
2272   amd64_x32_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
2273   amd64_x32_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
2274
2275   tdep->i386_syscall_record = amd64_x32_linux_syscall_record;
2276
2277   /* GNU/Linux uses SVR4-style shared libraries.  */
2278   set_solib_svr4_fetch_link_map_offsets
2279     (gdbarch, svr4_ilp32_fetch_link_map_offsets);
2280 }
2281 \f
2282
2283 /* Provide a prototype to silence -Wmissing-prototypes.  */
2284 extern void _initialize_amd64_linux_tdep (void);
2285
2286 void
2287 _initialize_amd64_linux_tdep (void)
2288 {
2289   gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
2290                           GDB_OSABI_LINUX, amd64_linux_init_abi);
2291   gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x64_32,
2292                           GDB_OSABI_LINUX, amd64_x32_linux_init_abi);
2293
2294   /* Initialize the Linux target description.  */
2295   initialize_tdesc_amd64_linux ();
2296   initialize_tdesc_amd64_avx_linux ();
2297   initialize_tdesc_amd64_mpx_linux ();
2298   initialize_tdesc_amd64_avx_mpx_linux ();
2299   initialize_tdesc_amd64_avx512_linux ();
2300
2301   initialize_tdesc_x32_linux ();
2302   initialize_tdesc_x32_avx_linux ();
2303   initialize_tdesc_x32_avx512_linux ();
2304 }