コード例 #1
0
static void
i386fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  /* Obviously FreeBSD is BSD-based.  */
  i386bsd_init_abi (info, gdbarch);

  /* FreeBSD has a different `struct reg', and reserves some space for
     its FPU emulator in `struct fpreg'.  */
  tdep->gregset_reg_offset = i386fbsd_r_reg_offset;
  tdep->gregset_num_regs = ARRAY_SIZE (i386fbsd_r_reg_offset);
  tdep->sizeof_gregset = 18 * 4;
  tdep->sizeof_fpregset = 176;

  /* FreeBSD uses -freg-struct-return by default.  */
  tdep->struct_return = reg_struct_return;

  tdep->sigtramp_p = i386fbsd_sigtramp_p;

  /* FreeBSD uses a different memory layout.  */
  tdep->sigtramp_start = i386fbsd_sigtramp_start_addr;
  tdep->sigtramp_end = i386fbsd_sigtramp_end_addr;

  /* FreeBSD has a more complete `struct sigcontext'.  */
  tdep->sc_reg_offset = i386fbsd_sc_reg_offset;
  tdep->sc_num_regs = ARRAY_SIZE (i386fbsd_sc_reg_offset);

  i386_elf_init_abi (info, gdbarch);

  /* FreeBSD uses SVR4-style shared libraries.  */
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
コード例 #2
0
static void
i386nto_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  /* NTO uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  /* Neutrino rewinds to look more normal.  Need to override the i386
     default which is [unfortunately] to decrement the PC.  */
  set_gdbarch_decr_pc_after_break (gdbarch, 0);

  /* NTO has shared libraries.  */
  set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section);
  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);

  set_gdbarch_pc_in_sigtramp (gdbarch, i386nto_pc_in_sigtramp);
  tdep->sigcontext_addr = i386nto_sigcontext_addr;
  tdep->sc_pc_offset = 56;
  tdep->sc_sp_offset = 68;

  /* Setjmp()'s return PC saved in EDX (5).  */
  tdep->jb_pc_offset = 20;	/* 5x32 bit ints in.  */

  set_solib_svr4_fetch_link_map_offsets (gdbarch,
					 i386nto_svr4_fetch_link_map_offsets);

  /* Our loader handles solib relocations slightly differently than svr4.  */
  TARGET_SO_RELOCATE_SECTION_ADDRESSES = nto_relocate_section_addresses;

  /* Supply a nice function to find our solibs.  */
  TARGET_SO_FIND_AND_OPEN_SOLIB = nto_find_and_open_solib;

  init_i386nto_ops ();
}
コード例 #3
0
static void
i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  /* GNU/Linux uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  /* We support the SSE registers on GNU/Linux.  */
  tdep->num_xmm_regs = I386_NUM_XREGS - 1;
  /* set_gdbarch_num_regs (gdbarch, I386_SSE_NUM_REGS); */

  /* Since we have the extra "orig_eax" register on GNU/Linux, we have
     to adjust a few things.  */

  set_gdbarch_write_pc (gdbarch, i386_linux_write_pc);
  set_gdbarch_num_regs (gdbarch, I386_SSE_NUM_REGS + 1);
  set_gdbarch_register_name (gdbarch, i386_linux_register_name);
  set_gdbarch_register_bytes (gdbarch, I386_SSE_SIZEOF_REGS + 4);

  tdep->jb_pc_offset = 20;	/* From <bits/setjmp.h>.  */

  tdep->sigcontext_addr = i386_linux_sigcontext_addr;
  tdep->sc_pc_offset = 14 * 4;	/* From <asm/sigcontext.h>.  */
  tdep->sc_sp_offset = 7 * 4;

  /* When the i386 Linux kernel calls a signal handler, the return
     address points to a bit of code on the stack.  This function is
     used to identify this bit of code as a signal trampoline in order
     to support backtracing through calls to signal handlers.  */
  set_gdbarch_pc_in_sigtramp (gdbarch, i386_linux_pc_in_sigtramp);

  set_solib_svr4_fetch_link_map_offsets (gdbarch,
				       i386_linux_svr4_fetch_link_map_offsets);
}
コード例 #4
0
ファイル: i386gnu-tdep.c プロジェクト: 0mp/freebsd
static void
i386gnu_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  /* GNU uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  tdep->jb_pc_offset = 20;	/* From <bits/setjmp.h>.  */
}
static void
i386nto_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  static struct target_so_ops nto_svr4_so_ops;

  /* Deal with our strange signals.  */
  nto_initialize_signals ();

  /* NTO uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  /* Neutrino rewinds to look more normal.  Need to override the i386
     default which is [unfortunately] to decrement the PC.  */
  set_gdbarch_decr_pc_after_break (gdbarch, 0);

  tdep->gregset_reg_offset = i386nto_gregset_reg_offset;
  tdep->gregset_num_regs = ARRAY_SIZE (i386nto_gregset_reg_offset);
  tdep->sizeof_gregset = NUM_GPREGS * 4;

  tdep->sigtramp_p = i386nto_sigtramp_p;
  tdep->sigcontext_addr = i386nto_sigcontext_addr;
  tdep->sc_pc_offset = 56;
  tdep->sc_sp_offset = 68;

  /* Setjmp()'s return PC saved in EDX (5).  */
  tdep->jb_pc_offset = 20;	/* 5x32 bit ints in.  */

  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);

  /* Initialize this lazily, to avoid an initialization order
     dependency on solib-svr4.c's _initialize routine.  */
  if (nto_svr4_so_ops.in_dynsym_resolve_code == NULL)
    {
      nto_svr4_so_ops = svr4_so_ops;

      /* Our loader handles solib relocations differently than svr4.  */
      nto_svr4_so_ops.relocate_section_addresses
        = nto_relocate_section_addresses;

      /* Supply a nice function to find our solibs.  */
      nto_svr4_so_ops.find_and_open_solib
        = nto_find_and_open_solib;

      /* Our linker code is in libc.  */
      nto_svr4_so_ops.in_dynsym_resolve_code
        = nto_in_dynsym_resolve_code;
    }
  set_solib_ops (gdbarch, &nto_svr4_so_ops);

  nto_set_target (&i386_nto_target);
}
コード例 #6
0
static void
i386fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  /* It's almost identical to FreeBSD a.out.  */
  i386fbsdaout_init_abi (info, gdbarch);

  /* Except that it uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  /* FreeBSD ELF uses SVR4-style shared libraries.  */
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
コード例 #7
0
static void
i386fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  /* It's almost identical to FreeBSD a.out.  */
  i386fbsdaout_init_abi (info, gdbarch);

  /* Except that it uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  /* FreeBSD ELF uses SVR4-style shared libraries.  */
  set_gdbarch_in_solib_call_trampoline (gdbarch,
					generic_in_solib_call_trampoline);
}
static void
i386gnu_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  /* GNU uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);

  tdep->jb_pc_offset = 20;	/* From <bits/setjmp.h>.  */
}
コード例 #9
0
static void
i386obsd_elf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  /* It's still OpenBSD.  */
  i386obsd_init_abi (info, gdbarch);

  /* But ELF-based.  */
  i386_elf_init_abi (info, gdbarch);

  /* OpenBSD ELF uses SVR4-style shared libraries.  */
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
コード例 #10
0
ファイル: i386gnu-tdep.c プロジェクト: uarka/binutils
static void
i386gnu_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  /* GNU uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);

  tdep->gregset_reg_offset = i386gnu_gregset_reg_offset;
  tdep->gregset_num_regs = ARRAY_SIZE (i386gnu_gregset_reg_offset);
  tdep->sizeof_gregset = 19 * 4;

  tdep->jb_pc_offset = 20;	/* From <bits/setjmp.h>.  */
}
コード例 #11
0
ファイル: i386dfly-tdep.c プロジェクト: DragonFlyBSD/DPorts
static void
i386dfly_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  i386_elf_init_abi(info, gdbarch);

  tdep->gregset_reg_offset = i386dfly_r_reg_offset;
  tdep->gregset_num_regs = ARRAY_SIZE (i386dfly_r_reg_offset);
  tdep->sizeof_gregset = 80;

  tdep->sc_reg_offset = i386dfly_sc_reg_offset;
  tdep->sc_num_regs = ARRAY_SIZE (i386dfly_sc_reg_offset);

  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
コード例 #12
0
static void
i386nbsdelf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  /* It's still NetBSD.  */
  i386nbsd_init_abi (info, gdbarch);

  /* But ELF-based.  */
  i386_elf_init_abi (info, gdbarch);

  /* NetBSD ELF uses SVR4-style shared libraries.  */
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);

  /* NetBSD ELF uses -fpcc-struct-return by default.  */
  tdep->struct_return = pcc_struct_return;
}
コード例 #13
0
ファイル: i386-syllable-tdep.c プロジェクト: rickcaudill/Pyro
static void
i386syl_elf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  tdep->gregset_reg_offset = i386syl_gregset_reg_offset;
  tdep->gregset_num_regs = ARRAY_SIZE (i386syl_gregset_reg_offset);
  tdep->sizeof_gregset = 16 * 4;

  tdep->jb_pc_offset = 20;     /* From <bits/setjmp.h>.  */

  tdep->sigtramp_p = i386syl_sigtramp_p;
  tdep->sigcontext_addr = i386syl_sigcontext_addr;
  tdep->sc_reg_offset = i386syl_sc_reg_offset;
  tdep->sc_num_regs = ARRAY_SIZE (i386syl_sc_reg_offset);

  /* ELF-based */
  i386_elf_init_abi (info, gdbarch);

  /* Syllable ELF uses SVR4-style shared libraries.  */
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
コード例 #14
0
static void
i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  const struct target_desc *tdesc = info.target_desc;
  struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info;
  const struct tdesc_feature *feature;
  int valid_p;

  gdb_assert (tdesc_data);

  linux_init_abi (info, gdbarch);

  /* GNU/Linux uses ELF.  */
  i386_elf_init_abi (info, gdbarch);

  /* Reserve a number for orig_eax.  */
  set_gdbarch_num_regs (gdbarch, I386_LINUX_NUM_REGS);

  if (! tdesc_has_registers (tdesc))
    tdesc = tdesc_i386_linux;
  tdep->tdesc = tdesc;

  feature = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.linux");
  if (feature == NULL)
    return;

  valid_p = tdesc_numbered_register (feature, tdesc_data,
				     I386_LINUX_ORIG_EAX_REGNUM,
				     "orig_eax");
  if (!valid_p)
    return;

  /* Add the %orig_eax register used for syscall restarting.  */
  set_gdbarch_write_pc (gdbarch, i386_linux_write_pc);

  tdep->register_reggroup_p = i386_linux_register_reggroup_p;

  tdep->gregset_reg_offset = i386_linux_gregset_reg_offset;
  tdep->gregset_num_regs = ARRAY_SIZE (i386_linux_gregset_reg_offset);
  tdep->sizeof_gregset = 17 * 4;

  tdep->jb_pc_offset = 20;	/* From <bits/setjmp.h>.  */

  tdep->sigtramp_p = i386_linux_sigtramp_p;
  tdep->sigcontext_addr = i386_linux_sigcontext_addr;
  tdep->sc_reg_offset = i386_linux_sc_reg_offset;
  tdep->sc_num_regs = ARRAY_SIZE (i386_linux_sc_reg_offset);

  tdep->xsave_xcr0_offset = I386_LINUX_XSAVE_XCR0_OFFSET;

  set_gdbarch_process_record (gdbarch, i386_process_record);
  set_gdbarch_process_record_signal (gdbarch, i386_linux_record_signal);

  /* Initialize the i386_linux_record_tdep.  */
  /* These values are the size of the type that will be used in a system
     call.  They are obtained from Linux Kernel source.  */
  i386_linux_record_tdep.size_pointer
    = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
  i386_linux_record_tdep.size__old_kernel_stat = 32;
  i386_linux_record_tdep.size_tms = 16;
  i386_linux_record_tdep.size_loff_t = 8;
  i386_linux_record_tdep.size_flock = 16;
  i386_linux_record_tdep.size_oldold_utsname = 45;
  i386_linux_record_tdep.size_ustat = 20;
  i386_linux_record_tdep.size_old_sigaction = 140;
  i386_linux_record_tdep.size_old_sigset_t = 128;
  i386_linux_record_tdep.size_rlimit = 8;
  i386_linux_record_tdep.size_rusage = 72;
  i386_linux_record_tdep.size_timeval = 8;
  i386_linux_record_tdep.size_timezone = 8;
  i386_linux_record_tdep.size_old_gid_t = 2;
  i386_linux_record_tdep.size_old_uid_t = 2;
  i386_linux_record_tdep.size_fd_set = 128;
  i386_linux_record_tdep.size_dirent = 268;
  i386_linux_record_tdep.size_dirent64 = 276;
  i386_linux_record_tdep.size_statfs = 64;
  i386_linux_record_tdep.size_statfs64 = 84;
  i386_linux_record_tdep.size_sockaddr = 16;
  i386_linux_record_tdep.size_int
    = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
  i386_linux_record_tdep.size_long
    = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
  i386_linux_record_tdep.size_ulong
    = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
  i386_linux_record_tdep.size_msghdr = 28;
  i386_linux_record_tdep.size_itimerval = 16;
  i386_linux_record_tdep.size_stat = 88;
  i386_linux_record_tdep.size_old_utsname = 325;
  i386_linux_record_tdep.size_sysinfo = 64;
  i386_linux_record_tdep.size_msqid_ds = 88;
  i386_linux_record_tdep.size_shmid_ds = 84;
  i386_linux_record_tdep.size_new_utsname = 390;
  i386_linux_record_tdep.size_timex = 128;
  i386_linux_record_tdep.size_mem_dqinfo = 24;
  i386_linux_record_tdep.size_if_dqblk = 68;
  i386_linux_record_tdep.size_fs_quota_stat = 68;
  i386_linux_record_tdep.size_timespec = 8;
  i386_linux_record_tdep.size_pollfd = 8;
  i386_linux_record_tdep.size_NFS_FHSIZE = 32;
  i386_linux_record_tdep.size_knfsd_fh = 132;
  i386_linux_record_tdep.size_TASK_COMM_LEN = 16;
  i386_linux_record_tdep.size_sigaction = 140;
  i386_linux_record_tdep.size_sigset_t = 8;
  i386_linux_record_tdep.size_siginfo_t = 128;
  i386_linux_record_tdep.size_cap_user_data_t = 12;
  i386_linux_record_tdep.size_stack_t = 12;
  i386_linux_record_tdep.size_off_t = i386_linux_record_tdep.size_long;
  i386_linux_record_tdep.size_stat64 = 96;
  i386_linux_record_tdep.size_gid_t = 2;
  i386_linux_record_tdep.size_uid_t = 2;
  i386_linux_record_tdep.size_PAGE_SIZE = 4096;
  i386_linux_record_tdep.size_flock64 = 24;
  i386_linux_record_tdep.size_user_desc = 16;
  i386_linux_record_tdep.size_io_event = 32;
  i386_linux_record_tdep.size_iocb = 64;
  i386_linux_record_tdep.size_epoll_event = 12;
  i386_linux_record_tdep.size_itimerspec
    = i386_linux_record_tdep.size_timespec * 2;
  i386_linux_record_tdep.size_mq_attr = 32;
  i386_linux_record_tdep.size_siginfo = 128;
  i386_linux_record_tdep.size_termios = 36;
  i386_linux_record_tdep.size_termios2 = 44;
  i386_linux_record_tdep.size_pid_t = 4;
  i386_linux_record_tdep.size_winsize = 8;
  i386_linux_record_tdep.size_serial_struct = 60;
  i386_linux_record_tdep.size_serial_icounter_struct = 80;
  i386_linux_record_tdep.size_hayes_esp_config = 12;
  i386_linux_record_tdep.size_size_t = 4;
  i386_linux_record_tdep.size_iovec = 8;

  /* These values are the second argument of system call "sys_ioctl".
     They are obtained from Linux Kernel source.  */
  i386_linux_record_tdep.ioctl_TCGETS = 0x5401;
  i386_linux_record_tdep.ioctl_TCSETS = 0x5402;
  i386_linux_record_tdep.ioctl_TCSETSW = 0x5403;
  i386_linux_record_tdep.ioctl_TCSETSF = 0x5404;
  i386_linux_record_tdep.ioctl_TCGETA = 0x5405;
  i386_linux_record_tdep.ioctl_TCSETA = 0x5406;
  i386_linux_record_tdep.ioctl_TCSETAW = 0x5407;
  i386_linux_record_tdep.ioctl_TCSETAF = 0x5408;
  i386_linux_record_tdep.ioctl_TCSBRK = 0x5409;
  i386_linux_record_tdep.ioctl_TCXONC = 0x540A;
  i386_linux_record_tdep.ioctl_TCFLSH = 0x540B;
  i386_linux_record_tdep.ioctl_TIOCEXCL = 0x540C;
  i386_linux_record_tdep.ioctl_TIOCNXCL = 0x540D;
  i386_linux_record_tdep.ioctl_TIOCSCTTY = 0x540E;
  i386_linux_record_tdep.ioctl_TIOCGPGRP = 0x540F;
  i386_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
  i386_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
  i386_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
  i386_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
  i386_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
  i386_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
  i386_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
  i386_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
  i386_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
  i386_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
  i386_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541A;
  i386_linux_record_tdep.ioctl_FIONREAD = 0x541B;
  i386_linux_record_tdep.ioctl_TIOCINQ = i386_linux_record_tdep.ioctl_FIONREAD;
  i386_linux_record_tdep.ioctl_TIOCLINUX = 0x541C;
  i386_linux_record_tdep.ioctl_TIOCCONS = 0x541D;
  i386_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541E;
  i386_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541F;
  i386_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
  i386_linux_record_tdep.ioctl_FIONBIO = 0x5421;
  i386_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
  i386_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
  i386_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
  i386_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
  i386_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
  i386_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
  i386_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
  i386_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
  i386_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
  i386_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
  i386_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
  i386_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
  i386_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
  i386_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
  i386_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
  i386_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
  i386_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
  i386_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
  i386_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
  i386_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
  i386_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
  i386_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
  i386_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
  i386_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
  i386_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545A;
  i386_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545B;
  i386_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545C;
  i386_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545D;
  i386_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545E;
  i386_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545F;
  i386_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;

  /* These values are the second argument of system call "sys_fcntl"
     and "sys_fcntl64".  They are obtained from Linux Kernel source.  */
  i386_linux_record_tdep.fcntl_F_GETLK = 5;
  i386_linux_record_tdep.fcntl_F_GETLK64 = 12;
  i386_linux_record_tdep.fcntl_F_SETLK64 = 13;
  i386_linux_record_tdep.fcntl_F_SETLKW64 = 14;

  i386_linux_record_tdep.arg1 = I386_EBX_REGNUM;
  i386_linux_record_tdep.arg2 = I386_ECX_REGNUM;
  i386_linux_record_tdep.arg3 = I386_EDX_REGNUM;
  i386_linux_record_tdep.arg4 = I386_ESI_REGNUM;
  i386_linux_record_tdep.arg5 = I386_EDI_REGNUM;
  i386_linux_record_tdep.arg6 = I386_EBP_REGNUM;

  tdep->i386_intx80_record = i386_linux_intx80_sysenter_syscall_record;
  tdep->i386_sysenter_record = i386_linux_intx80_sysenter_syscall_record;
  tdep->i386_syscall_record = i386_linux_intx80_sysenter_syscall_record;

  /* N_FUN symbols in shared libaries have 0 for their values and need
     to be relocated.  */
  set_gdbarch_sofun_address_maybe_missing (gdbarch, 1);

  /* GNU/Linux uses SVR4-style shared libraries.  */
  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);

  /* GNU/Linux uses the dynamic linker included in the GNU C Library.  */
  set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);

  dwarf2_frame_set_signal_frame_p (gdbarch, i386_linux_dwarf_signal_frame_p);

  /* Enable TLS support.  */
  set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                             svr4_fetch_objfile_link_map);

  /* Install supported register note sections.  */
  if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.avx"))
    set_gdbarch_core_regset_sections (gdbarch, i386_linux_avx_regset_sections);
  else if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.sse"))
    set_gdbarch_core_regset_sections (gdbarch, i386_linux_sse_regset_sections);
  else
    set_gdbarch_core_regset_sections (gdbarch, i386_linux_regset_sections);

  set_gdbarch_core_read_description (gdbarch,
				     i386_linux_core_read_description);

  /* Displaced stepping.  */
  set_gdbarch_displaced_step_copy_insn (gdbarch,
                                        i386_linux_displaced_step_copy_insn);
  set_gdbarch_displaced_step_fixup (gdbarch, i386_displaced_step_fixup);
  set_gdbarch_displaced_step_free_closure (gdbarch,
                                           simple_displaced_step_free_closure);
  set_gdbarch_displaced_step_location (gdbarch,
                                       displaced_step_at_entry_point);

  /* Functions for 'catch syscall'.  */
  set_xml_syscall_file_name (XML_SYSCALL_FILENAME_I386);
  set_gdbarch_get_syscall_number (gdbarch,
                                  i386_linux_get_syscall_number);

  set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type);
}