コード例 #1
0
ファイル: aarch64-linux-tdep.c プロジェクト: ChrisG0x20/gdb
static void
aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
  static const char *const stap_integer_prefixes[] = { "#", "", NULL };
  static const char *const stap_register_prefixes[] = { "", NULL };
  static const char *const stap_register_indirection_prefixes[] = { "[",
								    NULL };
  static const char *const stap_register_indirection_suffixes[] = { "]",
								    NULL };
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  tdep->lowest_pc = 0x8000;

  linux_init_abi (info, gdbarch);

  set_solib_svr4_fetch_link_map_offsets (gdbarch,
					 svr4_lp64_fetch_link_map_offsets);

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

  /* Shared library handling.  */
  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
  set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);

  tramp_frame_prepend_unwinder (gdbarch, &aarch64_linux_rt_sigframe);

  /* Enable longjmp.  */
  tdep->jb_pc = 11;

  set_gdbarch_iterate_over_regset_sections
    (gdbarch, aarch64_linux_iterate_over_regset_sections);

  /* SystemTap related.  */
  set_gdbarch_stap_integer_prefixes (gdbarch, stap_integer_prefixes);
  set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes);
  set_gdbarch_stap_register_indirection_prefixes (gdbarch,
					    stap_register_indirection_prefixes);
  set_gdbarch_stap_register_indirection_suffixes (gdbarch,
					    stap_register_indirection_suffixes);
  set_gdbarch_stap_is_single_operand (gdbarch, aarch64_stap_is_single_operand);
  set_gdbarch_stap_parse_special_token (gdbarch,
					aarch64_stap_parse_special_token);

  /* Reversible debugging, process record.  */
  set_gdbarch_process_record (gdbarch, aarch64_process_record);
  /* Syscall record.  */
  tdep->aarch64_syscall_record = aarch64_linux_syscall_record;

  /* Initialize the aarch64_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.  */
  aarch64_linux_record_tdep.size_pointer
    = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
  aarch64_linux_record_tdep.size__old_kernel_stat = 32;
  aarch64_linux_record_tdep.size_tms = 32;
  aarch64_linux_record_tdep.size_loff_t = 8;
  aarch64_linux_record_tdep.size_flock = 32;
  aarch64_linux_record_tdep.size_oldold_utsname = 45;
  aarch64_linux_record_tdep.size_ustat = 32;
  aarch64_linux_record_tdep.size_old_sigaction = 152;
  aarch64_linux_record_tdep.size_old_sigset_t = 128;
  aarch64_linux_record_tdep.size_rlimit = 16;
  aarch64_linux_record_tdep.size_rusage = 144;
  aarch64_linux_record_tdep.size_timeval = 16;
  aarch64_linux_record_tdep.size_timezone = 8;
  aarch64_linux_record_tdep.size_old_gid_t = 2;
  aarch64_linux_record_tdep.size_old_uid_t = 2;
  aarch64_linux_record_tdep.size_fd_set = 128;
  aarch64_linux_record_tdep.size_dirent = 280;
  aarch64_linux_record_tdep.size_dirent64 = 280;
  aarch64_linux_record_tdep.size_statfs = 120;
  aarch64_linux_record_tdep.size_statfs64 = 120;
  aarch64_linux_record_tdep.size_sockaddr = 16;
  aarch64_linux_record_tdep.size_int
    = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
  aarch64_linux_record_tdep.size_long
    = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
  aarch64_linux_record_tdep.size_ulong
    = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
  aarch64_linux_record_tdep.size_msghdr = 56;
  aarch64_linux_record_tdep.size_itimerval = 32;
  aarch64_linux_record_tdep.size_stat = 144;
  aarch64_linux_record_tdep.size_old_utsname = 325;
  aarch64_linux_record_tdep.size_sysinfo = 112;
  aarch64_linux_record_tdep.size_msqid_ds = 120;
  aarch64_linux_record_tdep.size_shmid_ds = 112;
  aarch64_linux_record_tdep.size_new_utsname = 390;
  aarch64_linux_record_tdep.size_timex = 208;
  aarch64_linux_record_tdep.size_mem_dqinfo = 24;
  aarch64_linux_record_tdep.size_if_dqblk = 72;
  aarch64_linux_record_tdep.size_fs_quota_stat = 80;
  aarch64_linux_record_tdep.size_timespec = 16;
  aarch64_linux_record_tdep.size_pollfd = 8;
  aarch64_linux_record_tdep.size_NFS_FHSIZE = 32;
  aarch64_linux_record_tdep.size_knfsd_fh = 132;
  aarch64_linux_record_tdep.size_TASK_COMM_LEN = 16;
  aarch64_linux_record_tdep.size_sigaction = 152;
  aarch64_linux_record_tdep.size_sigset_t = 128;
  aarch64_linux_record_tdep.size_siginfo_t = 128;
  aarch64_linux_record_tdep.size_cap_user_data_t = 8;
  aarch64_linux_record_tdep.size_stack_t = 24;
  aarch64_linux_record_tdep.size_off_t = 8;
  aarch64_linux_record_tdep.size_stat64 = 144;
  aarch64_linux_record_tdep.size_gid_t = 4;
  aarch64_linux_record_tdep.size_uid_t = 4;
  aarch64_linux_record_tdep.size_PAGE_SIZE = 4096;
  aarch64_linux_record_tdep.size_flock64 = 32;
  aarch64_linux_record_tdep.size_user_desc = 16;
  aarch64_linux_record_tdep.size_io_event = 32;
  aarch64_linux_record_tdep.size_iocb = 64;
  aarch64_linux_record_tdep.size_epoll_event = 12;
  aarch64_linux_record_tdep.size_itimerspec = 32;
  aarch64_linux_record_tdep.size_mq_attr = 64;
  aarch64_linux_record_tdep.size_siginfo = 128;
  aarch64_linux_record_tdep.size_termios = 60;
  aarch64_linux_record_tdep.size_termios2 = 44;
  aarch64_linux_record_tdep.size_pid_t = 4;
  aarch64_linux_record_tdep.size_winsize = 8;
  aarch64_linux_record_tdep.size_serial_struct = 72;
  aarch64_linux_record_tdep.size_serial_icounter_struct = 80;
  aarch64_linux_record_tdep.size_hayes_esp_config = 12;
  aarch64_linux_record_tdep.size_size_t = 8;
  aarch64_linux_record_tdep.size_iovec = 16;

  /* These values are the second argument of system call "sys_ioctl".
     They are obtained from Linux Kernel source.  */
  aarch64_linux_record_tdep.ioctl_TCGETS = 0x5401;
  aarch64_linux_record_tdep.ioctl_TCSETS = 0x5402;
  aarch64_linux_record_tdep.ioctl_TCSETSW = 0x5403;
  aarch64_linux_record_tdep.ioctl_TCSETSF = 0x5404;
  aarch64_linux_record_tdep.ioctl_TCGETA = 0x5405;
  aarch64_linux_record_tdep.ioctl_TCSETA = 0x5406;
  aarch64_linux_record_tdep.ioctl_TCSETAW = 0x5407;
  aarch64_linux_record_tdep.ioctl_TCSETAF = 0x5408;
  aarch64_linux_record_tdep.ioctl_TCSBRK = 0x5409;
  aarch64_linux_record_tdep.ioctl_TCXONC = 0x540a;
  aarch64_linux_record_tdep.ioctl_TCFLSH = 0x540b;
  aarch64_linux_record_tdep.ioctl_TIOCEXCL = 0x540c;
  aarch64_linux_record_tdep.ioctl_TIOCNXCL = 0x540d;
  aarch64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540e;
  aarch64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540f;
  aarch64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
  aarch64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
  aarch64_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
  aarch64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
  aarch64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
  aarch64_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
  aarch64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
  aarch64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
  aarch64_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
  aarch64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
  aarch64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541a;
  aarch64_linux_record_tdep.ioctl_FIONREAD = 0x541b;
  aarch64_linux_record_tdep.ioctl_TIOCINQ = 0x541b;
  aarch64_linux_record_tdep.ioctl_TIOCLINUX = 0x541c;
  aarch64_linux_record_tdep.ioctl_TIOCCONS = 0x541d;
  aarch64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541e;
  aarch64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541f;
  aarch64_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
  aarch64_linux_record_tdep.ioctl_FIONBIO = 0x5421;
  aarch64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
  aarch64_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
  aarch64_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
  aarch64_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
  aarch64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
  aarch64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
  aarch64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
  aarch64_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
  aarch64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
  aarch64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
  aarch64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
  aarch64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
  aarch64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
  aarch64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
  aarch64_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
  aarch64_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
  aarch64_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
  aarch64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
  aarch64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
  aarch64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
  aarch64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
  aarch64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
  aarch64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
  aarch64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
  aarch64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545a;
  aarch64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545b;
  aarch64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545c;
  aarch64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545d;
  aarch64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545e;
  aarch64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545f;
  aarch64_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.  */
  aarch64_linux_record_tdep.fcntl_F_GETLK = 5;
  aarch64_linux_record_tdep.fcntl_F_GETLK64 = 12;
  aarch64_linux_record_tdep.fcntl_F_SETLK64 = 13;
  aarch64_linux_record_tdep.fcntl_F_SETLKW64 = 14;

  /* The AArch64 syscall calling convention: reg x0-x6 for arguments,
     reg x8 for syscall number and return value in reg x0.  */
  aarch64_linux_record_tdep.arg1 = AARCH64_X0_REGNUM + 0;
  aarch64_linux_record_tdep.arg2 = AARCH64_X0_REGNUM + 1;
  aarch64_linux_record_tdep.arg3 = AARCH64_X0_REGNUM + 2;
  aarch64_linux_record_tdep.arg4 = AARCH64_X0_REGNUM + 3;
  aarch64_linux_record_tdep.arg5 = AARCH64_X0_REGNUM + 4;
  aarch64_linux_record_tdep.arg6 = AARCH64_X0_REGNUM + 5;
  aarch64_linux_record_tdep.arg7 = AARCH64_X0_REGNUM + 6;

  /* `catch syscall' */
  set_xml_syscall_file_name (gdbarch, "syscalls/aarch64-linux.xml");
  set_gdbarch_get_syscall_number (gdbarch, aarch64_linux_get_syscall_number);

  /* Displaced stepping.  */
  set_gdbarch_max_insn_length (gdbarch, 4 * DISPLACED_MODIFIED_INSNS);
  set_gdbarch_displaced_step_copy_insn (gdbarch,
					aarch64_displaced_step_copy_insn);
  set_gdbarch_displaced_step_fixup (gdbarch, aarch64_displaced_step_fixup);
  set_gdbarch_displaced_step_free_closure (gdbarch,
					   simple_displaced_step_free_closure);
  set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
  set_gdbarch_displaced_step_hw_singlestep (gdbarch,
					    aarch64_displaced_step_hw_singlestep);
}
コード例 #2
0
ファイル: arm-linux-tdep.c プロジェクト: nds32/binutils
static void
arm_linux_init_abi (struct gdbarch_info info,
		    struct gdbarch *gdbarch)
{
  static const char *const stap_integer_prefixes[] = { "#", NULL };
  static const char *const stap_register_prefixes[] = { "r", NULL };
  static const char *const stap_register_indirection_prefixes[] = { "[",
								    NULL };
  static const char *const stap_register_indirection_suffixes[] = { "]",
								    NULL };
  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);

  linux_init_abi (info, gdbarch);

  tdep->lowest_pc = 0x8000;
  if (info.byte_order == BFD_ENDIAN_BIG)
    {
      if (tdep->arm_abi == ARM_ABI_AAPCS)
	tdep->arm_breakpoint = eabi_linux_arm_be_breakpoint;
      else
	tdep->arm_breakpoint = arm_linux_arm_be_breakpoint;
      tdep->thumb_breakpoint = arm_linux_thumb_be_breakpoint;
      tdep->thumb2_breakpoint = arm_linux_thumb2_be_breakpoint;
    }
  else
    {
      if (tdep->arm_abi == ARM_ABI_AAPCS)
	tdep->arm_breakpoint = eabi_linux_arm_le_breakpoint;
      else
	tdep->arm_breakpoint = arm_linux_arm_le_breakpoint;
      tdep->thumb_breakpoint = arm_linux_thumb_le_breakpoint;
      tdep->thumb2_breakpoint = arm_linux_thumb2_le_breakpoint;
    }
  tdep->arm_breakpoint_size = sizeof (arm_linux_arm_le_breakpoint);
  tdep->thumb_breakpoint_size = sizeof (arm_linux_thumb_le_breakpoint);
  tdep->thumb2_breakpoint_size = sizeof (arm_linux_thumb2_le_breakpoint);

  if (tdep->fp_model == ARM_FLOAT_AUTO)
    tdep->fp_model = ARM_FLOAT_FPA;

  switch (tdep->fp_model)
    {
    case ARM_FLOAT_FPA:
      tdep->jb_pc = ARM_LINUX_JB_PC_FPA;
      break;
    case ARM_FLOAT_SOFT_FPA:
    case ARM_FLOAT_SOFT_VFP:
    case ARM_FLOAT_VFP:
      tdep->jb_pc = ARM_LINUX_JB_PC_EABI;
      break;
    default:
      internal_error
	(__FILE__, __LINE__,
         _("arm_linux_init_abi: Floating point model not supported"));
      break;
    }
  tdep->jb_elt_size = ARM_LINUX_JB_ELEMENT_SIZE;

  set_solib_svr4_fetch_link_map_offsets
    (gdbarch, svr4_ilp32_fetch_link_map_offsets);

  /* Single stepping.  */
  set_gdbarch_software_single_step (gdbarch, arm_linux_software_single_step);

  /* Shared library handling.  */
  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
  set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);

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

  tramp_frame_prepend_unwinder (gdbarch,
				&arm_linux_sigreturn_tramp_frame);
  tramp_frame_prepend_unwinder (gdbarch,
				&arm_linux_rt_sigreturn_tramp_frame);
  tramp_frame_prepend_unwinder (gdbarch,
				&arm_eabi_linux_sigreturn_tramp_frame);
  tramp_frame_prepend_unwinder (gdbarch,
				&arm_eabi_linux_rt_sigreturn_tramp_frame);
  tramp_frame_prepend_unwinder (gdbarch,
				&arm_linux_restart_syscall_tramp_frame);
  tramp_frame_prepend_unwinder (gdbarch,
				&arm_kernel_linux_restart_syscall_tramp_frame);

  /* Core file support.  */
  set_gdbarch_regset_from_core_section (gdbarch,
					arm_linux_regset_from_core_section);
  set_gdbarch_core_read_description (gdbarch, arm_linux_core_read_description);

  if (tdep->have_vfp_registers)
    set_gdbarch_core_regset_sections (gdbarch, arm_linux_vfp_regset_sections);
  else if (tdep->have_fpa_registers)
    set_gdbarch_core_regset_sections (gdbarch, arm_linux_fpa_regset_sections);

  set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type);

  /* Displaced stepping.  */
  set_gdbarch_displaced_step_copy_insn (gdbarch,
					arm_linux_displaced_step_copy_insn);
  set_gdbarch_displaced_step_fixup (gdbarch, arm_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);

  /* Reversible debugging, process record.  */
  set_gdbarch_process_record (gdbarch, arm_process_record);

  /* SystemTap functions.  */
  set_gdbarch_stap_integer_prefixes (gdbarch, stap_integer_prefixes);
  set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes);
  set_gdbarch_stap_register_indirection_prefixes (gdbarch,
					  stap_register_indirection_prefixes);
  set_gdbarch_stap_register_indirection_suffixes (gdbarch,
					  stap_register_indirection_suffixes);
  set_gdbarch_stap_gdb_register_prefix (gdbarch, "r");
  set_gdbarch_stap_is_single_operand (gdbarch, arm_stap_is_single_operand);
  set_gdbarch_stap_parse_special_token (gdbarch,
					arm_stap_parse_special_token);

  tdep->syscall_next_pc = arm_linux_syscall_next_pc;

  /* `catch syscall' */
  set_xml_syscall_file_name ("syscalls/arm-linux.xml");
  set_gdbarch_get_syscall_number (gdbarch, arm_linux_get_syscall_number);

  /* Syscall record.  */
  tdep->arm_swi_record = NULL;
}