static void
riscv_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
linux_init_abi (info, gdbarch);
set_gdbarch_software_single_step (gdbarch, riscv_software_single_step);
set_solib_svr4_fetch_link_map_offsets (gdbarch,
(riscv_isa_xlen (gdbarch) == 4
? svr4_ilp32_fetch_link_map_offsets
: svr4_lp64_fetch_link_map_offsets));
/* GNU/Linux uses SVR4-style shared libraries. */
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
/* GNU/Linux uses the dynamic linker included in the GNU C Library. */
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);
set_gdbarch_iterate_over_regset_sections
(gdbarch, riscv_linux_iterate_over_regset_sections);
tramp_frame_prepend_unwinder (gdbarch, &riscv_linux_sigframe);
}
static void
tilegx_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
int arch_size = gdbarch_addr_bit (gdbarch);
linux_init_abi (info, gdbarch);
tramp_frame_prepend_unwinder (gdbarch, &tilegx_linux_rt_sigframe);
set_gdbarch_iterate_over_regset_sections
(gdbarch, tilegx_iterate_over_regset_sections);
/* GNU/Linux uses SVR4-style shared libraries. */
if (arch_size == 32)
set_solib_svr4_fetch_link_map_offsets (gdbarch,
svr4_ilp32_fetch_link_map_offsets);
else
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);
}
static void
alphanbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Hook into the DWARF CFI frame unwinder. */
alpha_dwarf2_init_abi (info, gdbarch);
/* Hook into the MDEBUG frame unwinder. */
alpha_mdebug_init_abi (info, gdbarch);
/* NetBSD/alpha does not provide single step support via ptrace(2); we
must use software single-stepping. */
set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);
/* NetBSD/alpha has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
#ifdef notyet
tdep->dynamic_sigtramp_offset = alphanbsd_sigtramp_offset;
tdep->pc_in_sigtramp = alphanbsd_pc_in_sigtramp;
tdep->sigcontext_addr = alphanbsd_sigcontext_addr;
#endif
tdep->jb_pc = 2;
tdep->jb_elt_size = 8;
tramp_frame_prepend_unwinder (gdbarch, &alphanbsd_sigtramp_sc1);
tramp_frame_prepend_unwinder (gdbarch, &alphanbsd_sigtramp_si2);
tramp_frame_prepend_unwinder (gdbarch, &alphanbsd_sigtramp_si4);
set_gdbarch_iterate_over_regset_sections
(gdbarch, alphanbsd_iterate_over_regset_sections);
}
static void
i386fbsd4_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Generic FreeBSD support. */
fbsd_init_abi (info, gdbarch);
/* Inherit stuff from older releases. We assume that FreeBSD
4.0-RELEASE always uses ELF. */
i386fbsd_init_abi (info, gdbarch);
/* FreeBSD 4.0 introduced a new `struct reg'. */
tdep->gregset_reg_offset = i386fbsd4_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (i386fbsd4_r_reg_offset);
tdep->sizeof_gregset = 19 * 4;
/* FreeBSD 4.0 introduced a new `struct sigcontext'. */
tdep->sc_reg_offset = i386fbsd4_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (i386fbsd4_sc_reg_offset);
tdep->xsave_xcr0_offset = I386_FBSD_XSAVE_XCR0_OFFSET;
/* Iterate over core file register note sections. */
set_gdbarch_iterate_over_regset_sections
(gdbarch, i386fbsd_iterate_over_regset_sections);
set_gdbarch_core_read_description (gdbarch,
i386fbsd_core_read_description);
}
static void
mips_fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
enum mips_abi abi = mips_abi (gdbarch);
/* Generic FreeBSD support. */
fbsd_init_abi (info, gdbarch);
set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
switch (abi)
{
case MIPS_ABI_O32:
tramp_frame_prepend_unwinder (gdbarch, &mips_fbsd_sigframe);
break;
case MIPS_ABI_N32:
tramp_frame_prepend_unwinder (gdbarch, &mipsn32_fbsd_sigframe);
break;
case MIPS_ABI_N64:
tramp_frame_prepend_unwinder (gdbarch, &mips64_fbsd_sigframe);
break;
}
set_gdbarch_iterate_over_regset_sections
(gdbarch, mips_fbsd_iterate_over_regset_sections);
/* FreeBSD/mips has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, (gdbarch_ptr_bit (gdbarch) == 32 ?
mips_fbsd_ilp32_fetch_link_map_offsets :
mips_fbsd_lp64_fetch_link_map_offsets));
}
static void
alphaobsd_init_abi(struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Hook into the DWARF CFI frame unwinder. */
alpha_dwarf2_init_abi (info, gdbarch);
/* Hook into the MDEBUG frame unwinder. */
alpha_mdebug_init_abi (info, gdbarch);
/* OpenBSD/alpha 3.0 and earlier does not provide single step
support via ptrace(2); use software single-stepping for now. */
set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);
/* OpenBSD/alpha has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
set_gdbarch_skip_solib_resolver (gdbarch, obsd_skip_solib_resolver);
tdep->dynamic_sigtramp_offset = alphaobsd_sigtramp_offset;
tdep->pc_in_sigtramp = alphaobsd_pc_in_sigtramp;
tdep->sigcontext_addr = alphaobsd_sigcontext_addr;
tdep->jb_pc = 2;
tdep->jb_elt_size = 8;
set_gdbarch_iterate_over_regset_sections
(gdbarch, alphanbsd_iterate_over_regset_sections);
}
static void
i386obsd_aout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
i386obsd_init_abi (info, gdbarch);
/* OpenBSD a.out has a single register set. */
set_gdbarch_iterate_over_regset_sections
(gdbarch, i386obsd_aout_iterate_over_regset_sections);
}
static void
hppaobsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* Obviously OpenBSD is BSD-based. */
hppabsd_init_abi (info, gdbarch);
/* Core file support. */
set_gdbarch_iterate_over_regset_sections
(gdbarch, hppaobsd_iterate_over_regset_sections);
}
static void
frv_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
linux_init_abi (info, gdbarch);
/* Set the sigtramp frame sniffer. */
frame_unwind_append_unwinder (gdbarch, &frv_linux_sigtramp_frame_unwind);
set_gdbarch_iterate_over_regset_sections
(gdbarch, frv_linux_iterate_over_regset_sections);
}
static void
m68kbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->jb_pc = 5;
tdep->jb_elt_size = 4;
set_gdbarch_decr_pc_after_break (gdbarch, 2);
set_gdbarch_iterate_over_regset_sections
(gdbarch, m68kbsd_iterate_over_regset_sections);
}
static void
am33_linux_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
linux_init_abi (info, gdbarch);
set_gdbarch_iterate_over_regset_sections
(gdbarch, am33_iterate_over_regset_sections);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
tramp_frame_prepend_unwinder (gdbarch, &am33_linux_sigframe);
tramp_frame_prepend_unwinder (gdbarch, &am33_linux_rt_sigframe);
}
static void
ppcfbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Generic FreeBSD support. */
fbsd_init_abi (info, gdbarch);
/* FreeBSD doesn't support the 128-bit `long double' from the psABI. */
set_gdbarch_long_double_bit (gdbarch, 64);
set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
if (tdep->wordsize == 4)
{
set_gdbarch_return_value (gdbarch, ppcfbsd_return_value);
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
set_solib_svr4_fetch_link_map_offsets (gdbarch,
svr4_ilp32_fetch_link_map_offsets);
frame_unwind_append_unwinder (gdbarch, &ppcfbsd_sigtramp_frame_unwind);
set_gdbarch_gcore_bfd_target (gdbarch, "elf32-powerpc");
}
if (tdep->wordsize == 8)
{
set_gdbarch_convert_from_func_ptr_addr
(gdbarch, ppc64_convert_from_func_ptr_addr);
set_gdbarch_elf_make_msymbol_special (gdbarch,
ppc64_elf_make_msymbol_special);
set_gdbarch_skip_trampoline_code (gdbarch, ppc64_skip_trampoline_code);
set_solib_svr4_fetch_link_map_offsets (gdbarch,
svr4_lp64_fetch_link_map_offsets);
set_gdbarch_gcore_bfd_target (gdbarch, "elf64-powerpc");
}
set_gdbarch_iterate_over_regset_sections
(gdbarch, ppcfbsd_iterate_over_regset_sections);
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
set_gdbarch_get_thread_local_address (gdbarch,
ppcfbsd_get_thread_local_address);
}
static void
ppcnbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
/* For NetBSD, this is an on again, off again thing. Some systems
do use the broken struct convention, and some don't. */
set_gdbarch_return_value (gdbarch, ppcnbsd_return_value);
/* NetBSD uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
set_gdbarch_iterate_over_regset_sections
(gdbarch, ppcnbsd_iterate_over_regset_sections);
tramp_frame_prepend_unwinder (gdbarch, &ppcnbsd_sigtramp);
tramp_frame_prepend_unwinder (gdbarch, &ppcnbsd2_sigtramp);
}
static void
ia64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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 };
linux_init_abi (info, gdbarch);
/* Set the method of obtaining the sigcontext addresses at which
registers are saved. */
tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address;
/* Set the pc_in_sigtramp method. */
tdep->pc_in_sigtramp = ia64_linux_pc_in_sigtramp;
set_gdbarch_write_pc (gdbarch, ia64_linux_write_pc);
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
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);
/* Core file support. */
set_gdbarch_iterate_over_regset_sections
(gdbarch, ia64_linux_iterate_over_regset_sections);
/* SystemTap related. */
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,
ia64_linux_stap_is_single_operand);
}
static void
ppcobsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* OpenBSD doesn't support the 128-bit `long double' from the psABI. */
set_gdbarch_long_double_bit (gdbarch, 64);
set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
/* OpenBSD currently uses a broken GCC. */
set_gdbarch_return_value (gdbarch, ppc_sysv_abi_broken_return_value);
/* OpenBSD uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
set_gdbarch_iterate_over_regset_sections
(gdbarch, ppcobsd_iterate_over_regset_sections);
frame_unwind_append_unwinder (gdbarch, &ppcobsd_sigtramp_frame_unwind);
}
static void
armobsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (tdep->fp_model == ARM_FLOAT_AUTO)
tdep->fp_model = ARM_FLOAT_SOFT_VFP;
tramp_frame_prepend_unwinder (gdbarch, &armobsd_sigframe);
/* OpenBSD/arm uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
set_gdbarch_skip_solib_resolver (gdbarch, obsd_skip_solib_resolver);
tdep->jb_pc = 24;
tdep->jb_elt_size = 4;
set_gdbarch_iterate_over_regset_sections
(gdbarch, armbsd_iterate_over_regset_sections);
/* OpenBSD/arm uses -fpcc-struct-return by default. */
tdep->struct_return = pcc_struct_return;
/* Single stepping. */
set_gdbarch_software_single_step (gdbarch, arm_software_single_step);
/* Breakpoints. */
switch (info.byte_order)
{
case BFD_ENDIAN_BIG:
tdep->thumb_breakpoint = arm_obsd_thumb_be_breakpoint;
tdep->thumb_breakpoint_size = sizeof (arm_obsd_thumb_be_breakpoint);
break;
case BFD_ENDIAN_LITTLE:
tdep->thumb_breakpoint = arm_obsd_thumb_le_breakpoint;
tdep->thumb_breakpoint_size = sizeof (arm_obsd_thumb_le_breakpoint);
break;
}
}
static void
mipsnbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
set_gdbarch_iterate_over_regset_sections
(gdbarch, mipsnbsd_iterate_over_regset_sections);
set_gdbarch_get_longjmp_target (gdbarch, mipsnbsd_get_longjmp_target);
set_gdbarch_cannot_fetch_register (gdbarch, mipsnbsd_cannot_fetch_register);
set_gdbarch_cannot_store_register (gdbarch, mipsnbsd_cannot_store_register);
set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
/* NetBSD/mips has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, (gdbarch_ptr_bit (gdbarch) == 32 ?
mipsnbsd_ilp32_fetch_link_map_offsets :
mipsnbsd_lp64_fetch_link_map_offsets));
}
static void
mips64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* OpenBSD/mips64 only supports the n64 ABI, but the braindamaged
way GDB works, forces us to pretend we can handle them all. */
set_gdbarch_iterate_over_regset_sections
(gdbarch, mips64obsd_iterate_over_regset_sections);
tramp_frame_prepend_unwinder (gdbarch, &mips64obsd_sigframe);
set_gdbarch_long_double_bit (gdbarch, 128);
set_gdbarch_long_double_format (gdbarch, floatformats_mips64_quad);
obsd_init_abi(info, gdbarch);
/* OpenBSD/mips64 has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
}
static void
csky_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
linux_init_abi (info, gdbarch);
/* Shared library handling. */
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
set_solib_svr4_fetch_link_map_offsets (gdbarch,
svr4_ilp32_fetch_link_map_offsets);
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
/* Core file support. */
set_gdbarch_iterate_over_regset_sections (
gdbarch, csky_linux_iterate_over_regset_sections);
/* Append tramp frame unwinder for SIGNAL. */
tramp_frame_prepend_unwinder (gdbarch,
&csky_linux_rt_sigreturn_tramp_frame);
}
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);
/* Core file support. */
set_gdbarch_iterate_over_regset_sections
(gdbarch, i386_linux_iterate_over_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,
linux_displaced_step_location);
/* Functions for 'catch syscall'. */
set_xml_syscall_file_name (gdbarch, 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
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);
}
