gdb/amd64-linux-tdep.c

   1 /* Target-dependent code for GNU/Linux x86-64.
   2
   3    Copyright (C) 2001, 2003-2012 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 "amd64-linux-tdep.h"
  32 #include "i386-linux-tdep.h"
  33 #include "linux-tdep.h"
  34 #include "i386-xstate.h"
  35
  36 #include "gdb_string.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/x32-linux.c"
  46 #include "features/i386/x32-avx-linux.c"
  47
  48 /* The syscall's XML filename for i386.  */
  49 #define XML_SYSCALL_FILENAME_AMD64 "syscalls/amd64-linux.xml"
  50
  51 #include "record.h"
  52 #include "linux-record.h"
  53
  54 /* Supported register note sections.  */
  55 static struct core_regset_section amd64_linux_regset_sections[] =
  56 {
  57   { ".reg", 27 * 8, "general-purpose" },
  58   { ".reg2", 512, "floating-point" },
  59   { ".reg-xstate", I386_XSTATE_MAX_SIZE, "XSAVE extended state" },
  60   { NULL, 0 }
  61 };
  62
  63 /* Mapping between the general-purpose registers in `struct user'
  64    format and GDB's register cache layout.  */
  65
  66 /* From <sys/reg.h>.  */
  67 int amd64_linux_gregset_reg_offset[] =
  68 {
  69   10 * 8,                       /* %rax */
  70   5 * 8,                        /* %rbx */
  71   11 * 8,                       /* %rcx */
  72   12 * 8,                       /* %rdx */
  73   13 * 8,                       /* %rsi */
  74   14 * 8,                       /* %rdi */
  75   4 * 8,                        /* %rbp */
  76   19 * 8,                       /* %rsp */
  77   9 * 8,                        /* %r8 ...  */
  78   8 * 8,
  79   7 * 8,
  80   6 * 8,
  81   3 * 8,
  82   2 * 8,
  83   1 * 8,
  84   0 * 8,                        /* ... %r15 */
  85   16 * 8,                       /* %rip */
  86   18 * 8,                       /* %eflags */
  87   17 * 8,                       /* %cs */
  88   20 * 8,                       /* %ss */
  89   23 * 8,                       /* %ds */
  90   24 * 8,                       /* %es */
  91   25 * 8,                       /* %fs */
  92   26 * 8,                       /* %gs */
  93   -1, -1, -1, -1, -1, -1, -1, -1,
  94   -1, -1, -1, -1, -1, -1, -1, -1,
  95   -1, -1, -1, -1, -1, -1, -1, -1,
  96   -1, -1, -1, -1, -1, -1, -1, -1, -1,
  97   -1, -1, -1, -1, -1, -1, -1, -1,
  98   -1, -1, -1, -1, -1, -1, -1, -1,
  99   15 * 8                        /* "orig_rax" */
 100 };
 101 \f
 102
 103 /* Support for signal handlers.  */
 104
 105 #define LINUX_SIGTRAMP_INSN0    0x48    /* mov $NNNNNNNN, %rax */
 106 #define LINUX_SIGTRAMP_OFFSET0  0
 107 #define LINUX_SIGTRAMP_INSN1    0x0f    /* syscall */
 108 #define LINUX_SIGTRAMP_OFFSET1  7
 109
 110 static const gdb_byte linux_sigtramp_code[] =
 111 {
 112   /* mov $__NR_rt_sigreturn, %rax */
 113   LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00,
 114   /* syscall */
 115   LINUX_SIGTRAMP_INSN1, 0x05
 116 };
 117
 118 #define LINUX_SIGTRAMP_LEN (sizeof linux_sigtramp_code)
 119
 120 /* If PC is in a sigtramp routine, return the address of the start of
 121    the routine.  Otherwise, return 0.  */
 122
 123 static CORE_ADDR
 124 amd64_linux_sigtramp_start (struct frame_info *this_frame)
 125 {
 126   CORE_ADDR pc = get_frame_pc (this_frame);
 127   gdb_byte buf[LINUX_SIGTRAMP_LEN];
 128
 129   /* We only recognize a signal trampoline if PC is at the start of
 130      one of the two instructions.  We optimize for finding the PC at
 131      the start, as will be the case when the trampoline is not the
 132      first frame on the stack.  We assume that in the case where the
 133      PC is not at the start of the instruction sequence, there will be
 134      a few trailing readable bytes on the stack.  */
 135
 136   if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
 137     return 0;
 138
 139   if (buf[0] != LINUX_SIGTRAMP_INSN0)
 140     {
 141       if (buf[0] != LINUX_SIGTRAMP_INSN1)
 142         return 0;
 143
 144       pc -= LINUX_SIGTRAMP_OFFSET1;
 145       if (!safe_frame_unwind_memory (this_frame, pc, buf, sizeof buf))
 146         return 0;
 147     }
 148
 149   if (memcmp (buf, linux_sigtramp_code, LINUX_SIGTRAMP_LEN) != 0)
 150     return 0;
 151
 152   return pc;
 153 }
 154
 155 /* Return whether THIS_FRAME corresponds to a GNU/Linux sigtramp
 156    routine.  */
 157
 158 static int
 159 amd64_linux_sigtramp_p (struct frame_info *this_frame)
 160 {
 161   CORE_ADDR pc = get_frame_pc (this_frame);
 162   const char *name;
 163
 164   find_pc_partial_function (pc, &name, NULL, NULL);
 165
 166   /* If we have NAME, we can optimize the search.  The trampoline is
 167      named __restore_rt.  However, it isn't dynamically exported from
 168      the shared C library, so the trampoline may appear to be part of
 169      the preceding function.  This should always be sigaction,
 170      __sigaction, or __libc_sigaction (all aliases to the same
 171      function).  */
 172   if (name == NULL || strstr (name, "sigaction") != NULL)
 173     return (amd64_linux_sigtramp_start (this_frame) != 0);
 174
 175   return (strcmp ("__restore_rt", name) == 0);
 176 }
 177
 178 /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>.  */
 179 #define AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET 40
 180
 181 /* Assuming THIS_FRAME is a GNU/Linux sigtramp routine, return the
 182    address of the associated sigcontext structure.  */
 183
 184 static CORE_ADDR
 185 amd64_linux_sigcontext_addr (struct frame_info *this_frame)
 186 {
 187   struct gdbarch *gdbarch = get_frame_arch (this_frame);
 188   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
 189   CORE_ADDR sp;
 190   gdb_byte buf[8];
 191
 192   get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
 193   sp = extract_unsigned_integer (buf, 8, byte_order);
 194
 195   /* The sigcontext structure is part of the user context.  A pointer
 196      to the user context is passed as the third argument to the signal
 197      handler, i.e. in %rdx.  Unfortunately %rdx isn't preserved across
 198      function calls so we can't use it.  Fortunately the user context
 199      is part of the signal frame and the unwound %rsp directly points
 200      at it.  */
 201   return sp + AMD64_LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
 202 }
 203 \f
 204
 205 static LONGEST
 206 amd64_linux_get_syscall_number (struct gdbarch *gdbarch,
 207                                 ptid_t ptid)
 208 {
 209   struct regcache *regcache = get_thread_regcache (ptid);
 210   enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
 211   /* The content of a register.  */
 212   gdb_byte buf[8];
 213   /* The result.  */
 214   LONGEST ret;
 215
 216   /* Getting the system call number from the register.
 217      When dealing with x86_64 architecture, this information
 218      is stored at %rax register.  */
 219   regcache_cooked_read (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, buf);
 220
 221   ret = extract_signed_integer (buf, 8, byte_order);
 222
 223   return ret;
 224 }
 225
 226
 227 /* From <asm/sigcontext.h>.  */
 228 static int amd64_linux_sc_reg_offset[] =
 229 {
 230   13 * 8,                       /* %rax */
 231   11 * 8,                       /* %rbx */
 232   14 * 8,                       /* %rcx */
 233   12 * 8,                       /* %rdx */
 234   9 * 8,                        /* %rsi */
 235   8 * 8,                        /* %rdi */
 236   10 * 8,                       /* %rbp */
 237   15 * 8,                       /* %rsp */
 238   0 * 8,                        /* %r8 */
 239   1 * 8,                        /* %r9 */
 240   2 * 8,                        /* %r10 */
 241   3 * 8,                        /* %r11 */
 242   4 * 8,                        /* %r12 */
 243   5 * 8,                        /* %r13 */
 244   6 * 8,                        /* %r14 */
 245   7 * 8,                        /* %r15 */
 246   16 * 8,                       /* %rip */
 247   17 * 8,                       /* %eflags */
 248
 249   /* FIXME: kettenis/2002030531: The registers %cs, %fs and %gs are
 250      available in `struct sigcontext'.  However, they only occupy two
 251      bytes instead of four, which makes using them here rather
 252      difficult.  Leave them out for now.  */
 253   -1,                           /* %cs */
 254   -1,                           /* %ss */
 255   -1,                           /* %ds */
 256   -1,                           /* %es */
 257   -1,                           /* %fs */
 258   -1                            /* %gs */
 259 };
 260
 261 static int
 262 amd64_linux_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
 263                                  struct reggroup *group)
 264 {
 265   if (regnum == AMD64_LINUX_ORIG_RAX_REGNUM)
 266     return (group == system_reggroup
 267             || group == save_reggroup
 268             || group == restore_reggroup);
 269   return i386_register_reggroup_p (gdbarch, regnum, group);
 270 }
 271
 272 /* Set the program counter for process PTID to PC.  */
 273
 274 static void
 275 amd64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
 276 {
 277   regcache_cooked_write_unsigned (regcache, AMD64_RIP_REGNUM, pc);
 278
 279   /* We must be careful with modifying the program counter.  If we
 280      just interrupted a system call, the kernel might try to restart
 281      it when we resume the inferior.  On restarting the system call,
 282      the kernel will try backing up the program counter even though it
 283      no longer points at the system call.  This typically results in a
 284      SIGSEGV or SIGILL.  We can prevent this by writing `-1' in the
 285      "orig_rax" pseudo-register.
 286
 287      Note that "orig_rax" is saved when setting up a dummy call frame.
 288      This means that it is properly restored when that frame is
 289      popped, and that the interrupted system call will be restarted
 290      when we resume the inferior on return from a function call from
 291      within GDB.  In all other cases the system call will not be
 292      restarted.  */
 293   regcache_cooked_write_unsigned (regcache, AMD64_LINUX_ORIG_RAX_REGNUM, -1);
 294 }
 295
 296 /* Record all registers but IP register for process-record.  */
 297
 298 static int
 299 amd64_all_but_ip_registers_record (struct regcache *regcache)
 300 {
 301   if (record_arch_list_add_reg (regcache, AMD64_RAX_REGNUM))
 302     return -1;
 303   if (record_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
 304     return -1;
 305   if (record_arch_list_add_reg (regcache, AMD64_RDX_REGNUM))
 306     return -1;
 307   if (record_arch_list_add_reg (regcache, AMD64_RBX_REGNUM))
 308     return -1;
 309   if (record_arch_list_add_reg (regcache, AMD64_RSP_REGNUM))
 310     return -1;
 311   if (record_arch_list_add_reg (regcache, AMD64_RBP_REGNUM))
 312     return -1;
 313   if (record_arch_list_add_reg (regcache, AMD64_RSI_REGNUM))
 314     return -1;
 315   if (record_arch_list_add_reg (regcache, AMD64_RDI_REGNUM))
 316     return -1;
 317   if (record_arch_list_add_reg (regcache, AMD64_R8_REGNUM))
 318     return -1;
 319   if (record_arch_list_add_reg (regcache, AMD64_R9_REGNUM))
 320     return -1;
 321   if (record_arch_list_add_reg (regcache, AMD64_R10_REGNUM))
 322     return -1;
 323   if (record_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
 324     return -1;
 325   if (record_arch_list_add_reg (regcache, AMD64_R12_REGNUM))
 326     return -1;
 327   if (record_arch_list_add_reg (regcache, AMD64_R13_REGNUM))
 328     return -1;
 329   if (record_arch_list_add_reg (regcache, AMD64_R14_REGNUM))
 330     return -1;
 331   if (record_arch_list_add_reg (regcache, AMD64_R15_REGNUM))
 332     return -1;
 333   if (record_arch_list_add_reg (regcache, AMD64_EFLAGS_REGNUM))
 334     return -1;
 335
 336   return 0;
 337 }
 338
 339 /* amd64_canonicalize_syscall maps from the native amd64 Linux set
 340    of syscall ids into a canonical set of syscall ids used by
 341    process record.  */
 342
 343 static enum gdb_syscall
 344 amd64_canonicalize_syscall (enum amd64_syscall syscall_number)
 345 {
 346   switch (syscall_number) {
 347   case amd64_sys_read:
 348     return gdb_sys_read;
 349
 350   case amd64_sys_write:
 351     return gdb_sys_write;
 352
 353   case amd64_sys_open:
 354     return gdb_sys_open;
 355
 356   case amd64_sys_close:
 357     return gdb_sys_close;
 358
 359   case amd64_sys_newstat:
 360     return gdb_sys_newstat;
 361
 362   case amd64_sys_newfstat:
 363     return gdb_sys_newfstat;
 364
 365   case amd64_sys_newlstat:
 366     return gdb_sys_newlstat;
 367
 368   case amd64_sys_poll:
 369     return gdb_sys_poll;
 370
 371   case amd64_sys_lseek:
 372     return gdb_sys_lseek;
 373
 374   case amd64_sys_mmap:
 375     return gdb_sys_mmap2;
 376
 377   case amd64_sys_mprotect:
 378     return gdb_sys_mprotect;
 379
 380   case amd64_sys_munmap:
 381     return gdb_sys_munmap;
 382
 383   case amd64_sys_brk:
 384     return gdb_sys_brk;
 385
 386   case amd64_sys_rt_sigaction:
 387     return gdb_sys_rt_sigaction;
 388
 389   case amd64_sys_rt_sigprocmask:
 390     return gdb_sys_rt_sigprocmask;
 391
 392   case amd64_sys_rt_sigreturn:
 393     return gdb_sys_rt_sigreturn;
 394
 395   case amd64_sys_ioctl:
 396     return gdb_sys_ioctl;
 397
 398   case amd64_sys_pread64:
 399     return gdb_sys_pread64;
 400
 401   case amd64_sys_pwrite64:
 402     return gdb_sys_pwrite64;
 403
 404   case amd64_sys_readv:
 405     return gdb_sys_readv;
 406
 407   case amd64_sys_writev:
 408     return gdb_sys_writev;
 409
 410   case amd64_sys_access:
 411     return gdb_sys_access;
 412
 413   case amd64_sys_pipe:
 414     return gdb_sys_pipe;
 415
 416   case amd64_sys_select:
 417     return gdb_sys_select;
 418
 419   case amd64_sys_sched_yield:
 420     return gdb_sys_sched_yield;
 421
 422   case amd64_sys_mremap:
 423     return gdb_sys_mremap;
 424
 425   case amd64_sys_msync:
 426     return gdb_sys_msync;
 427
 428   case amd64_sys_mincore:
 429     return gdb_sys_mincore;
 430
 431   case amd64_sys_madvise:
 432     return gdb_sys_madvise;
 433
 434   case amd64_sys_shmget:
 435     return gdb_sys_shmget;
 436
 437   case amd64_sys_shmat:
 438     return gdb_sys_shmat;
 439
 440   case amd64_sys_shmctl:
 441     return gdb_sys_shmctl;
 442
 443   case amd64_sys_dup:
 444     return gdb_sys_dup;
 445
 446   case amd64_sys_dup2:
 447     return gdb_sys_dup2;
 448
 449   case amd64_sys_pause:
 450     return gdb_sys_pause;
 451
 452   case amd64_sys_nanosleep:
 453     return gdb_sys_nanosleep;
 454
 455   case amd64_sys_getitimer:
 456     return gdb_sys_getitimer;
 457
 458   case amd64_sys_alarm:
 459     return gdb_sys_alarm;
 460
 461   case amd64_sys_setitimer:
 462     return gdb_sys_setitimer;
 463
 464   case amd64_sys_getpid:
 465     return gdb_sys_getpid;
 466
 467   case amd64_sys_sendfile64:
 468     return gdb_sys_sendfile64;
 469
 470   case amd64_sys_socket:
 471     return gdb_sys_socket;
 472
 473   case amd64_sys_connect:
 474     return gdb_sys_connect;
 475
 476   case amd64_sys_accept:
 477     return gdb_sys_accept;
 478
 479   case amd64_sys_sendto:
 480     return gdb_sys_sendto;
 481
 482   case amd64_sys_recvfrom:
 483     return gdb_sys_recvfrom;
 484
 485   case amd64_sys_sendmsg:
 486     return gdb_sys_sendmsg;
 487
 488   case amd64_sys_recvmsg:
 489     return gdb_sys_recvmsg;
 490
 491   case amd64_sys_shutdown:
 492     return gdb_sys_shutdown;
 493
 494   case amd64_sys_bind:
 495     return gdb_sys_bind;
 496
 497   case amd64_sys_listen:
 498     return gdb_sys_listen;
 499
 500   case amd64_sys_getsockname:
 501     return gdb_sys_getsockname;
 502
 503   case amd64_sys_getpeername:
 504     return gdb_sys_getpeername;
 505
 506   case amd64_sys_socketpair:
 507     return gdb_sys_socketpair;
 508
 509   case amd64_sys_setsockopt:
 510     return gdb_sys_setsockopt;
 511
 512   case amd64_sys_getsockopt:
 513     return gdb_sys_getsockopt;
 514
 515   case amd64_sys_clone:
 516     return gdb_sys_clone;
 517
 518   case amd64_sys_fork:
 519     return gdb_sys_fork;
 520
 521   case amd64_sys_vfork:
 522     return gdb_sys_vfork;
 523
 524   case amd64_sys_execve:
 525     return gdb_sys_execve;
 526
 527   case amd64_sys_exit:
 528     return gdb_sys_exit;
 529
 530   case amd64_sys_wait4:
 531     return gdb_sys_wait4;
 532
 533   case amd64_sys_kill:
 534     return gdb_sys_kill;
 535
 536   case amd64_sys_uname:
 537     return gdb_sys_uname;
 538
 539   case amd64_sys_semget:
 540     return gdb_sys_semget;
 541
 542   case amd64_sys_semop:
 543     return gdb_sys_semop;
 544
 545   case amd64_sys_semctl:
 546     return gdb_sys_semctl;
 547
 548   case amd64_sys_shmdt:
 549     return gdb_sys_shmdt;
 550
 551   case amd64_sys_msgget:
 552     return gdb_sys_msgget;
 553
 554   case amd64_sys_msgsnd:
 555     return gdb_sys_msgsnd;
 556
 557   case amd64_sys_msgrcv:
 558     return gdb_sys_msgrcv;
 559
 560   case amd64_sys_msgctl:
 561     return gdb_sys_msgctl;
 562
 563   case amd64_sys_fcntl:
 564     return gdb_sys_fcntl;
 565
 566   case amd64_sys_flock:
 567     return gdb_sys_flock;
 568
 569   case amd64_sys_fsync:
 570     return gdb_sys_fsync;
 571
 572   case amd64_sys_fdatasync:
 573     return gdb_sys_fdatasync;
 574
 575   case amd64_sys_truncate:
 576     return gdb_sys_truncate;
 577
 578   case amd64_sys_ftruncate:
 579     return gdb_sys_ftruncate;
 580
 581   case amd64_sys_getdents:
 582     return gdb_sys_getdents;
 583
 584   case amd64_sys_getcwd:
 585     return gdb_sys_getcwd;
 586
 587   case amd64_sys_chdir:
 588     return gdb_sys_chdir;
 589
 590   case amd64_sys_fchdir:
 591     return gdb_sys_fchdir;
 592
 593   case amd64_sys_rename:
 594     return gdb_sys_rename;
 595
 596   case amd64_sys_mkdir:
 597     return gdb_sys_mkdir;
 598
 599   case amd64_sys_rmdir:
 600     return gdb_sys_rmdir;
 601
 602   case amd64_sys_creat:
 603     return gdb_sys_creat;
 604
 605   case amd64_sys_link:
 606     return gdb_sys_link;
 607
 608   case amd64_sys_unlink:
 609     return gdb_sys_unlink;
 610
 611   case amd64_sys_symlink:
 612     return gdb_sys_symlink;
 613
 614   case amd64_sys_readlink:
 615     return gdb_sys_readlink;
 616
 617   case amd64_sys_chmod:
 618     return gdb_sys_chmod;
 619
 620   case amd64_sys_fchmod:
 621     return gdb_sys_fchmod;
 622
 623   case amd64_sys_chown:
 624     return gdb_sys_chown;
 625
 626   case amd64_sys_fchown:
 627     return gdb_sys_fchown;
 628
 629   case amd64_sys_lchown:
 630     return gdb_sys_lchown;
 631
 632   case amd64_sys_umask:
 633     return gdb_sys_umask;
 634
 635   case amd64_sys_gettimeofday:
 636     return gdb_sys_gettimeofday;
 637
 638   case amd64_sys_getrlimit:
 639     return gdb_sys_getrlimit;
 640
 641   case amd64_sys_getrusage:
 642     return gdb_sys_getrusage;
 643
 644   case amd64_sys_sysinfo:
 645     return gdb_sys_sysinfo;
 646
 647   case amd64_sys_times:
 648     return gdb_sys_times;
 649
 650   case amd64_sys_ptrace:
 651     return gdb_sys_ptrace;
 652
 653   case amd64_sys_getuid:
 654     return gdb_sys_getuid;
 655
 656   case amd64_sys_syslog:
 657     return gdb_sys_syslog;
 658
 659   case amd64_sys_getgid:
 660     return gdb_sys_getgid;
 661
 662   case amd64_sys_setuid:
 663     return gdb_sys_setuid;
 664
 665   case amd64_sys_setgid:
 666     return gdb_sys_setgid;
 667
 668   case amd64_sys_geteuid:
 669     return gdb_sys_geteuid;
 670
 671   case amd64_sys_getegid:
 672     return gdb_sys_getegid;
 673
 674   case amd64_sys_setpgid:
 675     return gdb_sys_setpgid;
 676
 677   case amd64_sys_getppid:
 678     return gdb_sys_getppid;
 679
 680   case amd64_sys_getpgrp:
 681     return gdb_sys_getpgrp;
 682
 683   case amd64_sys_setsid:
 684     return gdb_sys_setsid;
 685
 686   case amd64_sys_setreuid:
 687     return gdb_sys_setreuid;
 688
 689   case amd64_sys_setregid:
 690     return gdb_sys_setregid;
 691
 692   case amd64_sys_getgroups:
 693     return gdb_sys_getgroups;
 694
 695   case amd64_sys_setgroups:
 696     return gdb_sys_setgroups;
 697
 698   case amd64_sys_setresuid:
 699     return gdb_sys_setresuid;
 700
 701   case amd64_sys_getresuid:
 702     return gdb_sys_getresuid;
 703
 704   case amd64_sys_setresgid:
 705     return gdb_sys_setresgid;
 706
 707   case amd64_sys_getresgid:
 708     return gdb_sys_getresgid;
 709
 710   case amd64_sys_getpgid:
 711     return gdb_sys_getpgid;
 712
 713   case amd64_sys_setfsuid:
 714     return gdb_sys_setfsuid;
 715
 716   case amd64_sys_setfsgid:
 717     return gdb_sys_setfsgid;
 718
 719   case amd64_sys_getsid:
 720     return gdb_sys_getsid;
 721
 722   case amd64_sys_capget:
 723     return gdb_sys_capget;
 724
 725   case amd64_sys_capset:
 726     return gdb_sys_capset;
 727
 728   case amd64_sys_rt_sigpending:
 729     return gdb_sys_rt_sigpending;
 730
 731   case amd64_sys_rt_sigtimedwait:
 732     return gdb_sys_rt_sigtimedwait;
 733
 734   case amd64_sys_rt_sigqueueinfo:
 735     return gdb_sys_rt_sigqueueinfo;
 736
 737   case amd64_sys_rt_sigsuspend:
 738     return gdb_sys_rt_sigsuspend;
 739
 740   case amd64_sys_sigaltstack:
 741     return gdb_sys_sigaltstack;
 742
 743   case amd64_sys_utime:
 744     return gdb_sys_utime;
 745
 746   case amd64_sys_mknod:
 747     return gdb_sys_mknod;
 748
 749   case amd64_sys_personality:
 750     return gdb_sys_personality;
 751
 752   case amd64_sys_ustat:
 753     return gdb_sys_ustat;
 754
 755   case amd64_sys_statfs:
 756     return gdb_sys_statfs;
 757
 758   case amd64_sys_fstatfs:
 759     return gdb_sys_fstatfs;
 760
 761   case amd64_sys_sysfs:
 762     return gdb_sys_sysfs;
 763
 764   case amd64_sys_getpriority:
 765     return gdb_sys_getpriority;
 766
 767   case amd64_sys_setpriority:
 768     return gdb_sys_setpriority;
 769
 770   case amd64_sys_sched_setparam:
 771     return gdb_sys_sched_setparam;
 772
 773   case amd64_sys_sched_getparam:
 774     return gdb_sys_sched_getparam;
 775
 776   case amd64_sys_sched_setscheduler:
 777     return gdb_sys_sched_setscheduler;
 778
 779   case amd64_sys_sched_getscheduler:
 780     return gdb_sys_sched_getscheduler;
 781
 782   case amd64_sys_sched_get_priority_max:
 783     return gdb_sys_sched_get_priority_max;
 784
 785   case amd64_sys_sched_get_priority_min:
 786     return gdb_sys_sched_get_priority_min;
 787
 788   case amd64_sys_sched_rr_get_interval:
 789     return gdb_sys_sched_rr_get_interval;
 790
 791   case amd64_sys_mlock:
 792     return gdb_sys_mlock;
 793
 794   case amd64_sys_munlock:
 795     return gdb_sys_munlock;
 796
 797   case amd64_sys_mlockall:
 798     return gdb_sys_mlockall;
 799
 800   case amd64_sys_munlockall:
 801     return gdb_sys_munlockall;
 802
 803   case amd64_sys_vhangup:
 804     return gdb_sys_vhangup;
 805
 806   case amd64_sys_modify_ldt:
 807     return gdb_sys_modify_ldt;
 808
 809   case amd64_sys_pivot_root:
 810     return gdb_sys_pivot_root;
 811
 812   case amd64_sys_sysctl:
 813     return gdb_sys_sysctl;
 814
 815   case amd64_sys_prctl:
 816     return gdb_sys_prctl;
 817
 818   case amd64_sys_arch_prctl:
 819     return -1;  /* Note */
 820
 821   case amd64_sys_adjtimex:
 822     return gdb_sys_adjtimex;
 823
 824   case amd64_sys_setrlimit:
 825     return gdb_sys_setrlimit;
 826
 827   case amd64_sys_chroot:
 828     return gdb_sys_chroot;
 829
 830   case amd64_sys_sync:
 831     return gdb_sys_sync;
 832
 833   case amd64_sys_acct:
 834     return gdb_sys_acct;
 835
 836   case amd64_sys_settimeofday:
 837     return gdb_sys_settimeofday;
 838
 839   case amd64_sys_mount:
 840     return gdb_sys_mount;
 841
 842   case amd64_sys_umount:
 843     return gdb_sys_umount;
 844
 845   case amd64_sys_swapon:
 846     return gdb_sys_swapon;
 847
 848   case amd64_sys_swapoff:
 849     return gdb_sys_swapoff;
 850
 851   case amd64_sys_reboot:
 852     return gdb_sys_reboot;
 853
 854   case amd64_sys_sethostname:
 855     return gdb_sys_sethostname;
 856
 857   case amd64_sys_setdomainname:
 858     return gdb_sys_setdomainname;
 859
 860   case amd64_sys_iopl:
 861     return gdb_sys_iopl;
 862
 863   case amd64_sys_ioperm:
 864     return gdb_sys_ioperm;
 865
 866   case amd64_sys_init_module:
 867     return gdb_sys_init_module;
 868
 869   case amd64_sys_delete_module:
 870     return gdb_sys_delete_module;
 871
 872   case amd64_sys_quotactl:
 873     return gdb_sys_quotactl;
 874
 875   case amd64_sys_nfsservctl:
 876     return gdb_sys_nfsservctl;
 877
 878   case amd64_sys_gettid:
 879     return gdb_sys_gettid;
 880
 881   case amd64_sys_readahead:
 882     return gdb_sys_readahead;
 883
 884   case amd64_sys_setxattr:
 885     return gdb_sys_setxattr;
 886
 887   case amd64_sys_lsetxattr:
 888     return gdb_sys_lsetxattr;
 889
 890   case amd64_sys_fsetxattr:
 891     return gdb_sys_fsetxattr;
 892
 893   case amd64_sys_getxattr:
 894     return gdb_sys_getxattr;
 895
 896   case amd64_sys_lgetxattr:
 897     return gdb_sys_lgetxattr;
 898
 899   case amd64_sys_fgetxattr:
 900     return gdb_sys_fgetxattr;
 901
 902   case amd64_sys_listxattr:
 903     return gdb_sys_listxattr;
 904
 905   case amd64_sys_llistxattr:
 906     return gdb_sys_llistxattr;
 907
 908   case amd64_sys_flistxattr:
 909     return gdb_sys_flistxattr;
 910
 911   case amd64_sys_removexattr:
 912     return gdb_sys_removexattr;
 913
 914   case amd64_sys_lremovexattr:
 915     return gdb_sys_lremovexattr;
 916
 917   case amd64_sys_fremovexattr:
 918     return gdb_sys_fremovexattr;
 919
 920   case amd64_sys_tkill:
 921     return gdb_sys_tkill;
 922
 923   case amd64_sys_time:
 924     return gdb_sys_time;
 925
 926   case amd64_sys_futex:
 927     return gdb_sys_futex;
 928
 929   case amd64_sys_sched_setaffinity:
 930     return gdb_sys_sched_setaffinity;
 931
 932   case amd64_sys_sched_getaffinity:
 933     return gdb_sys_sched_getaffinity;
 934
 935   case amd64_sys_io_setup:
 936     return gdb_sys_io_setup;
 937
 938   case amd64_sys_io_destroy:
 939     return gdb_sys_io_destroy;
 940
 941   case amd64_sys_io_getevents:
 942     return gdb_sys_io_getevents;
 943
 944   case amd64_sys_io_submit:
 945     return gdb_sys_io_submit;
 946
 947   case amd64_sys_io_cancel:
 948     return gdb_sys_io_cancel;
 949
 950   case amd64_sys_lookup_dcookie:
 951     return gdb_sys_lookup_dcookie;
 952
 953   case amd64_sys_epoll_create:
 954     return gdb_sys_epoll_create;
 955
 956   case amd64_sys_remap_file_pages:
 957     return gdb_sys_remap_file_pages;
 958
 959   case amd64_sys_getdents64:
 960     return gdb_sys_getdents64;
 961
 962   case amd64_sys_set_tid_address:
 963     return gdb_sys_set_tid_address;
 964
 965   case amd64_sys_restart_syscall:
 966     return gdb_sys_restart_syscall;
 967
 968   case amd64_sys_semtimedop:
 969     return gdb_sys_semtimedop;
 970
 971   case amd64_sys_fadvise64:
 972     return gdb_sys_fadvise64;
 973
 974   case amd64_sys_timer_create:
 975     return gdb_sys_timer_create;
 976
 977   case amd64_sys_timer_settime:
 978     return gdb_sys_timer_settime;
 979
 980   case amd64_sys_timer_gettime:
 981     return gdb_sys_timer_gettime;
 982
 983   case amd64_sys_timer_getoverrun:
 984     return gdb_sys_timer_getoverrun;
 985
 986   case amd64_sys_timer_delete:
 987     return gdb_sys_timer_delete;
 988
 989   case amd64_sys_clock_settime:
 990     return gdb_sys_clock_settime;
 991
 992   case amd64_sys_clock_gettime:
 993     return gdb_sys_clock_gettime;
 994
 995   case amd64_sys_clock_getres:
 996     return gdb_sys_clock_getres;
 997
 998   case amd64_sys_clock_nanosleep:
 999     return gdb_sys_clock_nanosleep;
1000
1001   case amd64_sys_exit_group:
1002     return gdb_sys_exit_group;
1003
1004   case amd64_sys_epoll_wait:
1005     return gdb_sys_epoll_wait;
1006
1007   case amd64_sys_epoll_ctl:
1008     return gdb_sys_epoll_ctl;
1009
1010   case amd64_sys_tgkill:
1011     return gdb_sys_tgkill;
1012
1013   case amd64_sys_utimes:
1014     return gdb_sys_utimes;
1015
1016   case amd64_sys_mbind:
1017     return gdb_sys_mbind;
1018
1019   case amd64_sys_set_mempolicy:
1020     return gdb_sys_set_mempolicy;
1021
1022   case amd64_sys_get_mempolicy:
1023     return gdb_sys_get_mempolicy;
1024
1025   case amd64_sys_mq_open:
1026     return gdb_sys_mq_open;
1027
1028   case amd64_sys_mq_unlink:
1029     return gdb_sys_mq_unlink;
1030
1031   case amd64_sys_mq_timedsend:
1032     return gdb_sys_mq_timedsend;
1033
1034   case amd64_sys_mq_timedreceive:
1035     return gdb_sys_mq_timedreceive;
1036
1037   case amd64_sys_mq_notify:
1038     return gdb_sys_mq_notify;
1039
1040   case amd64_sys_mq_getsetattr:
1041     return gdb_sys_mq_getsetattr;
1042
1043   case amd64_sys_kexec_load:
1044     return gdb_sys_kexec_load;
1045
1046   case amd64_sys_waitid:
1047     return gdb_sys_waitid;
1048
1049   case amd64_sys_add_key:
1050     return gdb_sys_add_key;
1051
1052   case amd64_sys_request_key:
1053     return gdb_sys_request_key;
1054
1055   case amd64_sys_keyctl:
1056     return gdb_sys_keyctl;
1057
1058   case amd64_sys_ioprio_set:
1059     return gdb_sys_ioprio_set;
1060
1061   case amd64_sys_ioprio_get:
1062     return gdb_sys_ioprio_get;
1063
1064   case amd64_sys_inotify_init:
1065     return gdb_sys_inotify_init;
1066
1067   case amd64_sys_inotify_add_watch:
1068     return gdb_sys_inotify_add_watch;
1069
1070   case amd64_sys_inotify_rm_watch:
1071     return gdb_sys_inotify_rm_watch;
1072
1073   case amd64_sys_migrate_pages:
1074     return gdb_sys_migrate_pages;
1075
1076   case amd64_sys_openat:
1077     return gdb_sys_openat;
1078
1079   case amd64_sys_mkdirat:
1080     return gdb_sys_mkdirat;
1081
1082   case amd64_sys_mknodat:
1083     return gdb_sys_mknodat;
1084
1085   case amd64_sys_fchownat:
1086     return gdb_sys_fchownat;
1087
1088   case amd64_sys_futimesat:
1089     return gdb_sys_futimesat;
1090
1091   case amd64_sys_newfstatat:
1092     return gdb_sys_newfstatat;
1093
1094   case amd64_sys_unlinkat:
1095     return gdb_sys_unlinkat;
1096
1097   case amd64_sys_renameat:
1098     return gdb_sys_renameat;
1099
1100   case amd64_sys_linkat:
1101     return gdb_sys_linkat;
1102
1103   case amd64_sys_symlinkat:
1104     return gdb_sys_symlinkat;
1105
1106   case amd64_sys_readlinkat:
1107     return gdb_sys_readlinkat;
1108
1109   case amd64_sys_fchmodat:
1110     return gdb_sys_fchmodat;
1111
1112   case amd64_sys_faccessat:
1113     return gdb_sys_faccessat;
1114
1115   case amd64_sys_pselect6:
1116     return gdb_sys_pselect6;
1117
1118   case amd64_sys_ppoll:
1119     return gdb_sys_ppoll;
1120
1121   case amd64_sys_unshare:
1122     return gdb_sys_unshare;
1123
1124   case amd64_sys_set_robust_list:
1125     return gdb_sys_set_robust_list;
1126
1127   case amd64_sys_get_robust_list:
1128     return gdb_sys_get_robust_list;
1129
1130   case amd64_sys_splice:
1131     return gdb_sys_splice;
1132
1133   case amd64_sys_tee:
1134     return gdb_sys_tee;
1135
1136   case amd64_sys_sync_file_range:
1137     return gdb_sys_sync_file_range;
1138
1139   case amd64_sys_vmsplice:
1140     return gdb_sys_vmsplice;
1141
1142   case amd64_sys_move_pages:
1143     return gdb_sys_move_pages;
1144
1145   default:
1146     return -1;
1147   }
1148 }
1149
1150 /* Parse the arguments of current system call instruction and record
1151    the values of the registers and memory that will be changed into
1152    "record_arch_list".  This instruction is "syscall".
1153
1154    Return -1 if something wrong.  */
1155
1156 static struct linux_record_tdep amd64_linux_record_tdep;
1157
1158 #define RECORD_ARCH_GET_FS      0x1003
1159 #define RECORD_ARCH_GET_GS      0x1004
1160
1161 static int
1162 amd64_linux_syscall_record (struct regcache *regcache)
1163 {
1164   int ret;
1165   ULONGEST syscall_native;
1166   enum gdb_syscall syscall_gdb = -1;
1167
1168   regcache_raw_read_unsigned (regcache, AMD64_RAX_REGNUM, &syscall_native);
1169
1170   switch (syscall_native)
1171     {
1172     case amd64_sys_rt_sigreturn:
1173       if (amd64_all_but_ip_registers_record (regcache))
1174         return -1;
1175       return 0;
1176       break;
1177
1178     case amd64_sys_arch_prctl:
1179       {
1180         ULONGEST arg3;
1181
1182         regcache_raw_read_unsigned (regcache, amd64_linux_record_tdep.arg3,
1183                                     &arg3);
1184         if (arg3 == RECORD_ARCH_GET_FS || arg3 == RECORD_ARCH_GET_GS)
1185           {
1186             CORE_ADDR addr;
1187
1188             regcache_raw_read_unsigned (regcache,
1189                                         amd64_linux_record_tdep.arg2,
1190                                         &addr);
1191             if (record_arch_list_add_mem (addr,
1192                                           amd64_linux_record_tdep.size_ulong))
1193               return -1;
1194           }
1195         goto record_regs;
1196       }
1197       break;
1198     }
1199
1200   syscall_gdb = amd64_canonicalize_syscall (syscall_native);
1201
1202   if (syscall_gdb < 0)
1203     {
1204       printf_unfiltered (_("Process record and replay target doesn't "
1205                            "support syscall number %s\n"),
1206                          pulongest (syscall_native));
1207       return -1;
1208     }
1209   else
1210     {
1211       ret = record_linux_system_call (syscall_gdb, regcache,
1212                                       &amd64_linux_record_tdep);
1213       if (ret)
1214         return ret;
1215     }
1216
1217  record_regs:
1218   /* Record the return value of the system call.  */
1219   if (record_arch_list_add_reg (regcache, AMD64_RCX_REGNUM))
1220     return -1;
1221   if (record_arch_list_add_reg (regcache, AMD64_R11_REGNUM))
1222     return -1;
1223
1224   return 0;
1225 }
1226
1227 #define AMD64_LINUX_redzone    128
1228 #define AMD64_LINUX_xstate     512
1229 #define AMD64_LINUX_frame_size 560
1230
1231 static int
1232 amd64_linux_record_signal (struct gdbarch *gdbarch,
1233                            struct regcache *regcache,
1234                            enum target_signal signal)
1235 {
1236   ULONGEST rsp;
1237
1238   if (amd64_all_but_ip_registers_record (regcache))
1239     return -1;
1240
1241   if (record_arch_list_add_reg (regcache, AMD64_RIP_REGNUM))
1242     return -1;
1243
1244   /* Record the change in the stack.  */
1245   regcache_raw_read_unsigned (regcache, AMD64_RSP_REGNUM, &rsp);
1246   /* redzone
1247      sp -= 128; */
1248   rsp -= AMD64_LINUX_redzone;
1249   /* This is for xstate.
1250      sp -= sizeof (struct _fpstate);  */
1251   rsp -= AMD64_LINUX_xstate;
1252   /* This is for frame_size.
1253      sp -= sizeof (struct rt_sigframe);  */
1254   rsp -= AMD64_LINUX_frame_size;
1255   if (record_arch_list_add_mem (rsp, AMD64_LINUX_redzone
1256                                      + AMD64_LINUX_xstate
1257                                      + AMD64_LINUX_frame_size))
1258     return -1;
1259
1260   if (record_arch_list_add_end ())
1261     return -1;
1262
1263   return 0;
1264 }
1265
1266 /* Get Linux/x86 target description from core dump.  */
1267
1268 static const struct target_desc *
1269 amd64_linux_core_read_description (struct gdbarch *gdbarch,
1270                                   struct target_ops *target,
1271                                   bfd *abfd)
1272 {
1273   /* Linux/x86-64.  */
1274   uint64_t xcr0 = i386_linux_core_read_xcr0 (gdbarch, target, abfd);
1275   switch ((xcr0 & I386_XSTATE_AVX_MASK))
1276     {
1277     case I386_XSTATE_AVX_MASK:
1278       if (gdbarch_ptr_bit (gdbarch) == 32)
1279         return tdesc_x32_avx_linux;
1280       else
1281         return tdesc_amd64_avx_linux;
1282     default:
1283       if (gdbarch_ptr_bit (gdbarch) == 32)
1284         return tdesc_x32_linux;
1285       else
1286         return tdesc_amd64_linux;
1287     }
1288 }
1289
1290 static void
1291 amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
1292 {
1293   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
1294   const struct target_desc *tdesc = info.target_desc;
1295   struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info;
1296   const struct tdesc_feature *feature;
1297   int valid_p;
1298
1299   gdb_assert (tdesc_data);
1300
1301   linux_init_abi (info, gdbarch);
1302
1303   tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
1304   tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
1305   tdep->sizeof_gregset = 27 * 8;
1306
1307   amd64_init_abi (info, gdbarch);
1308
1309   /* Reserve a number for orig_rax.  */
1310   set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
1311
1312   if (! tdesc_has_registers (tdesc))
1313     tdesc = tdesc_amd64_linux;
1314   tdep->tdesc = tdesc;
1315
1316   feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
1317   if (feature == NULL)
1318     return;
1319
1320   valid_p = tdesc_numbered_register (feature, tdesc_data,
1321                                      AMD64_LINUX_ORIG_RAX_REGNUM,
1322                                      "orig_rax");
1323   if (!valid_p)
1324     return;
1325
1326   tdep->sigtramp_p = amd64_linux_sigtramp_p;
1327   tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
1328   tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
1329   tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);
1330
1331   tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET;
1332
1333   /* GNU/Linux uses SVR4-style shared libraries.  */
1334   set_solib_svr4_fetch_link_map_offsets
1335     (gdbarch, svr4_lp64_fetch_link_map_offsets);
1336
1337   /* Add the %orig_rax register used for syscall restarting.  */
1338   set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc);
1339
1340   tdep->register_reggroup_p = amd64_linux_register_reggroup_p;
1341
1342   /* Functions for 'catch syscall'.  */
1343   set_xml_syscall_file_name (XML_SYSCALL_FILENAME_AMD64);
1344   set_gdbarch_get_syscall_number (gdbarch,
1345                                   amd64_linux_get_syscall_number);
1346
1347   /* Enable TLS support.  */
1348   set_gdbarch_fetch_tls_load_module_address (gdbarch,
1349                                              svr4_fetch_objfile_link_map);
1350
1351   /* GNU/Linux uses SVR4-style shared libraries.  */
1352   set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
1353
1354   /* GNU/Linux uses the dynamic linker included in the GNU C Library.  */
1355   set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
1356
1357   /* Install supported register note sections.  */
1358   set_gdbarch_core_regset_sections (gdbarch, amd64_linux_regset_sections);
1359
1360   set_gdbarch_core_read_description (gdbarch,
1361                                      amd64_linux_core_read_description);
1362
1363   /* Displaced stepping.  */
1364   set_gdbarch_displaced_step_copy_insn (gdbarch,
1365                                         amd64_displaced_step_copy_insn);
1366   set_gdbarch_displaced_step_fixup (gdbarch, amd64_displaced_step_fixup);
1367   set_gdbarch_displaced_step_free_closure (gdbarch,
1368                                            simple_displaced_step_free_closure);
1369   set_gdbarch_displaced_step_location (gdbarch,
1370                                        displaced_step_at_entry_point);
1371
1372   set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type);
1373
1374   set_gdbarch_process_record (gdbarch, i386_process_record);
1375   set_gdbarch_process_record_signal (gdbarch, amd64_linux_record_signal);
1376
1377   /* Initialize the amd64_linux_record_tdep.  */
1378   /* These values are the size of the type that will be used in a system
1379      call.  They are obtained from Linux Kernel source.  */
1380   amd64_linux_record_tdep.size_pointer
1381     = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
1382   amd64_linux_record_tdep.size__old_kernel_stat = 32;
1383   amd64_linux_record_tdep.size_tms = 32;
1384   amd64_linux_record_tdep.size_loff_t = 8;
1385   amd64_linux_record_tdep.size_flock = 32;
1386   amd64_linux_record_tdep.size_oldold_utsname = 45;
1387   amd64_linux_record_tdep.size_ustat = 32;
1388   /* ADM64 doesn't need this size because it doesn't have sys_sigaction
1389      but sys_rt_sigaction.  */
1390   amd64_linux_record_tdep.size_old_sigaction = 152;
1391   /* ADM64 doesn't need this size because it doesn't have sys_sigpending
1392      but sys_rt_sigpending.  */
1393   amd64_linux_record_tdep.size_old_sigset_t = 128;
1394   amd64_linux_record_tdep.size_rlimit = 16;
1395   amd64_linux_record_tdep.size_rusage = 144;
1396   amd64_linux_record_tdep.size_timeval = 16;
1397   amd64_linux_record_tdep.size_timezone = 8;
1398   /* ADM64 doesn't need this size because it doesn't have sys_getgroups16
1399      but sys_getgroups.  */
1400   amd64_linux_record_tdep.size_old_gid_t = 2;
1401   /* ADM64 doesn't need this size because it doesn't have sys_getresuid16
1402      but sys_getresuid.  */
1403   amd64_linux_record_tdep.size_old_uid_t = 2;
1404   amd64_linux_record_tdep.size_fd_set = 128;
1405   amd64_linux_record_tdep.size_dirent = 280;
1406   amd64_linux_record_tdep.size_dirent64 = 280;
1407   amd64_linux_record_tdep.size_statfs = 120;
1408   amd64_linux_record_tdep.size_statfs64 = 120;
1409   amd64_linux_record_tdep.size_sockaddr = 16;
1410   amd64_linux_record_tdep.size_int
1411     = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
1412   amd64_linux_record_tdep.size_long
1413     = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1414   amd64_linux_record_tdep.size_ulong
1415     = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
1416   amd64_linux_record_tdep.size_msghdr = 56;
1417   amd64_linux_record_tdep.size_itimerval = 32;
1418   amd64_linux_record_tdep.size_stat = 144;
1419   amd64_linux_record_tdep.size_old_utsname = 325;
1420   amd64_linux_record_tdep.size_sysinfo = 112;
1421   amd64_linux_record_tdep.size_msqid_ds = 120;
1422   amd64_linux_record_tdep.size_shmid_ds = 112;
1423   amd64_linux_record_tdep.size_new_utsname = 390;
1424   amd64_linux_record_tdep.size_timex = 208;
1425   amd64_linux_record_tdep.size_mem_dqinfo = 24;
1426   amd64_linux_record_tdep.size_if_dqblk = 72;
1427   amd64_linux_record_tdep.size_fs_quota_stat = 80;
1428   amd64_linux_record_tdep.size_timespec = 16;
1429   amd64_linux_record_tdep.size_pollfd = 8;
1430   amd64_linux_record_tdep.size_NFS_FHSIZE = 32;
1431   amd64_linux_record_tdep.size_knfsd_fh = 132;
1432   amd64_linux_record_tdep.size_TASK_COMM_LEN = 16;
1433   amd64_linux_record_tdep.size_sigaction = 152;
1434   amd64_linux_record_tdep.size_sigset_t = 128;
1435   amd64_linux_record_tdep.size_siginfo_t = 128;
1436   amd64_linux_record_tdep.size_cap_user_data_t = 8;
1437   amd64_linux_record_tdep.size_stack_t = 24;
1438   amd64_linux_record_tdep.size_off_t = 8;
1439   amd64_linux_record_tdep.size_stat64 = 144;
1440   amd64_linux_record_tdep.size_gid_t = 4;
1441   amd64_linux_record_tdep.size_uid_t = 4;
1442   amd64_linux_record_tdep.size_PAGE_SIZE = 4096;
1443   amd64_linux_record_tdep.size_flock64 = 32;
1444   amd64_linux_record_tdep.size_user_desc = 16;
1445   amd64_linux_record_tdep.size_io_event = 32;
1446   amd64_linux_record_tdep.size_iocb = 64;
1447   amd64_linux_record_tdep.size_epoll_event = 12;
1448   amd64_linux_record_tdep.size_itimerspec = 32;
1449   amd64_linux_record_tdep.size_mq_attr = 64;
1450   amd64_linux_record_tdep.size_siginfo = 128;
1451   amd64_linux_record_tdep.size_termios = 60;
1452   amd64_linux_record_tdep.size_termios2 = 44;
1453   amd64_linux_record_tdep.size_pid_t = 4;
1454   amd64_linux_record_tdep.size_winsize = 8;
1455   amd64_linux_record_tdep.size_serial_struct = 72;
1456   amd64_linux_record_tdep.size_serial_icounter_struct = 80;
1457   amd64_linux_record_tdep.size_hayes_esp_config = 12;
1458   amd64_linux_record_tdep.size_size_t = 8;
1459   amd64_linux_record_tdep.size_iovec = 16;
1460
1461   /* These values are the second argument of system call "sys_ioctl".
1462      They are obtained from Linux Kernel source.  */
1463   amd64_linux_record_tdep.ioctl_TCGETS = 0x5401;
1464   amd64_linux_record_tdep.ioctl_TCSETS = 0x5402;
1465   amd64_linux_record_tdep.ioctl_TCSETSW = 0x5403;
1466   amd64_linux_record_tdep.ioctl_TCSETSF = 0x5404;
1467   amd64_linux_record_tdep.ioctl_TCGETA = 0x5405;
1468   amd64_linux_record_tdep.ioctl_TCSETA = 0x5406;
1469   amd64_linux_record_tdep.ioctl_TCSETAW = 0x5407;
1470   amd64_linux_record_tdep.ioctl_TCSETAF = 0x5408;
1471   amd64_linux_record_tdep.ioctl_TCSBRK = 0x5409;
1472   amd64_linux_record_tdep.ioctl_TCXONC = 0x540A;
1473   amd64_linux_record_tdep.ioctl_TCFLSH = 0x540B;
1474   amd64_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
1475   amd64_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
1476   amd64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
1477   amd64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
1478   amd64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
1479   amd64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
1480   amd64_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
1481   amd64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
1482   amd64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
1483   amd64_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
1484   amd64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
1485   amd64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
1486   amd64_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
1487   amd64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
1488   amd64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
1489   amd64_linux_record_tdep.ioctl_FIONREAD = 0x541B;
1490   amd64_linux_record_tdep.ioctl_TIOCINQ
1491     = amd64_linux_record_tdep.ioctl_FIONREAD;
1492   amd64_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
1493   amd64_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
1494   amd64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
1495   amd64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
1496   amd64_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
1497   amd64_linux_record_tdep.ioctl_FIONBIO = 0x5421;
1498   amd64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
1499   amd64_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
1500   amd64_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
1501   amd64_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
1502   amd64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
1503   amd64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
1504   amd64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
1505   amd64_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
1506   amd64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
1507   amd64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
1508   amd64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
1509   amd64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
1510   amd64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
1511   amd64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
1512   amd64_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
1513   amd64_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
1514   amd64_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
1515   amd64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
1516   amd64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
1517   amd64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
1518   amd64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
1519   amd64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
1520   amd64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
1521   amd64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
1522   amd64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
1523   amd64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
1524   amd64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
1525   amd64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
1526   amd64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
1527   amd64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
1528   amd64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
1529
1530   /* These values are the second argument of system call "sys_fcntl"
1531      and "sys_fcntl64".  They are obtained from Linux Kernel source.  */
1532   amd64_linux_record_tdep.fcntl_F_GETLK = 5;
1533   amd64_linux_record_tdep.fcntl_F_GETLK64 = 12;
1534   amd64_linux_record_tdep.fcntl_F_SETLK64 = 13;
1535   amd64_linux_record_tdep.fcntl_F_SETLKW64 = 14;
1536
1537   amd64_linux_record_tdep.arg1 = AMD64_RDI_REGNUM;
1538   amd64_linux_record_tdep.arg2 = AMD64_RSI_REGNUM;
1539   amd64_linux_record_tdep.arg3 = AMD64_RDX_REGNUM;
1540   amd64_linux_record_tdep.arg4 = AMD64_R10_REGNUM;
1541   amd64_linux_record_tdep.arg5 = AMD64_R8_REGNUM;
1542   amd64_linux_record_tdep.arg6 = AMD64_R9_REGNUM;
1543
1544   tdep->i386_syscall_record = amd64_linux_syscall_record;
1545 }
1546 \f
1547
1548 /* Provide a prototype to silence -Wmissing-prototypes.  */
1549 extern void _initialize_amd64_linux_tdep (void);
1550
1551 void
1552 _initialize_amd64_linux_tdep (void)
1553 {
1554   gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
1555                           GDB_OSABI_LINUX, amd64_linux_init_abi);
1556
1557   /* Initialize the Linux target description.  */
1558   initialize_tdesc_amd64_linux ();
1559   initialize_tdesc_amd64_avx_linux ();
1560   initialize_tdesc_x32_linux ();
1561   initialize_tdesc_x32_avx_linux ();
1562 }