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);
}
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;
}
