static void
sh_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
linux_init_abi (info, gdbarch);
/* 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);
set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
/* Core files and signal handler frame unwinding are supported for
32-bit SH only, at present. */
if (info.bfd_arch_info->mach != bfd_mach_sh5)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Remember regset characteristics. The sizes should match
elf_gregset_t and elf_fpregset_t from Linux. */
tdep->core_gregmap = (struct sh_corefile_regmap *)gregs_table;
tdep->sizeof_gregset = 92;
tdep->core_fpregmap = (struct sh_corefile_regmap *)fpregs_table;
tdep->sizeof_fpregset = 136;
tramp_frame_prepend_unwinder (gdbarch, &sh_linux_sigreturn_tramp_frame);
tramp_frame_prepend_unwinder (gdbarch, &sh_linux_rt_sigreturn_tramp_frame);
}
}
static void
nios2_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = new_gdbarch_tdep(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_regset_from_core_section (gdbarch,
nios2_regset_from_core_section);
/* Linux signal frame unwinders. */
tramp_frame_prepend_unwinder (gdbarch,
&nios2_linux_sigreturn_tramp_frame);
tramp_frame_prepend_unwinder (gdbarch,
&nios2_linux_rt_sigreturn_tramp_frame);
tdep->syscall_next_pc = nios2_linux_syscall_next_pc;
/* Index of target address word in glibc jmp_buf. */
tdep->jb_pc = 10;
}
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
i386nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Obviously NetBSD is BSD-based. */
i386bsd_init_abi (info, gdbarch);
/* NetBSD has a different `struct reg'. */
tdep->gregset_reg_offset = i386nbsd_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (i386nbsd_r_reg_offset);
tdep->sizeof_gregset = 16 * 4;
/* NetBSD uses -freg-struct-return by default. */
tdep->struct_return = reg_struct_return;
/* NetBSD uses tramp_frame sniffers for signal trampolines. */
tdep->sigcontext_addr= 0;
tdep->sigtramp_start = 0;
tdep->sigtramp_end = 0;
tdep->sigtramp_p = 0;
tdep->sc_reg_offset = 0;
tdep->sc_num_regs = 0;
tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_sc16);
tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_sc2);
tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_si2);
tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_si31);
tramp_frame_prepend_unwinder (gdbarch, &i386nbsd_sigtramp_si4);
}
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;
set_gdbarch_regset_from_core_section
(gdbarch, alphanbsd_regset_from_core_section);
tramp_frame_prepend_unwinder (gdbarch, &alphanbsd_sigtramp_sc1);
tramp_frame_prepend_unwinder (gdbarch, &alphanbsd_sigtramp_si2);
tramp_frame_prepend_unwinder (gdbarch, &alphanbsd_sigtramp_si4);
}
static void
arm_linux_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (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;
}
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->arm_breakpoint_size = sizeof (arm_linux_arm_le_breakpoint);
tdep->thumb_breakpoint_size = sizeof (arm_linux_thumb_le_breakpoint);
if (tdep->fp_model == ARM_FLOAT_AUTO)
tdep->fp_model = ARM_FLOAT_FPA;
tdep->jb_pc = ARM_LINUX_JB_PC;
tdep->jb_elt_size = ARM_LINUX_JB_ELEMENT_SIZE;
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
/* The following override shouldn't be needed. */
set_gdbarch_deprecated_extract_return_value (gdbarch, arm_linux_extract_return_value);
/* 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);
}
static void
am33_linux_init_osabi (struct gdbarch_info gdbinfo, struct gdbarch *gdbarch)
{
set_gdbarch_regset_from_core_section (gdbarch,
am33_regset_from_core_section);
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
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
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
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
mips_irix_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
set_solib_ops (gdbarch, &irix_so_ops);
tramp_frame_prepend_unwinder (gdbarch, &mips_irix_n32_tramp_frame);
}
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_regset_from_core_section
(gdbarch, ppcnbsd_regset_from_core_section);
tramp_frame_prepend_unwinder (gdbarch, &ppcnbsd_sigtramp);
tramp_frame_prepend_unwinder (gdbarch, &ppcnbsd2_sigtramp);
}
static void
sparc32_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
linux_init_abi (info, gdbarch);
tdep->gregset = regset_alloc (gdbarch, sparc32_linux_supply_core_gregset,
sparc32_linux_collect_core_gregset);
tdep->sizeof_gregset = 152;
tdep->fpregset = regset_alloc (gdbarch, sparc32_linux_supply_core_fpregset,
sparc32_linux_collect_core_fpregset);
tdep->sizeof_fpregset = 396;
tramp_frame_prepend_unwinder (gdbarch, &sparc32_linux_sigframe);
tramp_frame_prepend_unwinder (gdbarch, &sparc32_linux_rt_sigframe);
/* GNU/Linux has 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);
/* ...which means that we need some special handling when doing
prologue analysis. */
tdep->plt_entry_size = 12;
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
/* Make sure we can single-step over signal return system calls. */
tdep->step_trap = sparc32_linux_step_trap;
/* Hook in the DWARF CFI frame unwinder. */
dwarf2_append_unwinders (gdbarch);
set_gdbarch_write_pc (gdbarch, sparc_linux_write_pc);
/* Functions for 'catch syscall'. */
set_xml_syscall_file_name (XML_SYSCALL_FILENAME_SPARC32);
set_gdbarch_get_syscall_number (gdbarch,
sparc32_linux_get_syscall_number);
}
static void
m68kbsd_aout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
m68kbsd_init_abi (info, gdbarch);
tdep->struct_return = reg_struct_return;
tramp_frame_prepend_unwinder (gdbarch, &m68kobsd_sigtramp);
}
static void
hppanbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* Obviously NetBSD is BSD-based. */
hppabsd_init_abi (info, gdbarch);
/* Core file support. */
set_gdbarch_regset_from_core_section
(gdbarch, hppanbsd_regset_from_core_section);
tramp_frame_prepend_unwinder (gdbarch, &hppanbsd_sigtramp_si4);
}
static void
bfin_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
linux_init_abi (info, gdbarch);
/* Set the sigtramp frame sniffer. */
tramp_frame_prepend_unwinder (gdbarch, &bfin_linux_sigframe);
/* Functions for 'catch syscall'. */
set_xml_syscall_file_name (gdbarch, "syscalls/bfin-linux.xml");
set_gdbarch_get_syscall_number (gdbarch,
bfin_linux_get_syscall_number);
}
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_regset_from_core_section
(gdbarch, mips64obsd_regset_from_core_section);
tramp_frame_prepend_unwinder (gdbarch, &mips64obsd_sigframe);
/* OpenBSD/mips64 has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
}
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);
if (tdep->ilp32)
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_get_siginfo_type (gdbarch, linux_get_siginfo_type);
tramp_frame_prepend_unwinder (gdbarch, &aarch64_linux_rt_sigframe);
/* Enable longjmp. */
tdep->jb_pc = 11;
set_gdbarch_regset_from_core_section (gdbarch,
aarch64_linux_regset_from_core_section);
/* SystemTap related. */
set_gdbarch_stap_integer_prefix (gdbarch, stap_integer_prefixes);
set_gdbarch_stap_register_prefix (gdbarch, stap_register_prefixes);
set_gdbarch_stap_register_indirection_prefix (gdbarch,
stap_register_indirection_prefixes);
set_gdbarch_stap_register_indirection_suffix (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);
}
static void
microblaze_linux_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
linux_init_abi (info, gdbarch);
set_gdbarch_memory_remove_breakpoint (gdbarch,
microblaze_linux_memory_remove_breakpoint);
/* Shared library handling. */
set_solib_svr4_fetch_link_map_offsets (gdbarch,
svr4_ilp32_fetch_link_map_offsets);
/* Trampolines. */
tramp_frame_prepend_unwinder (gdbarch,
µblaze_linux_sighandler_tramp_frame);
}
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_regset_from_core_section
(gdbarch, armbsd_regset_from_core_section);
/* 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
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
tic6x_uclinux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
linux_init_abi (info, gdbarch);
/* Shared library handling. */
set_solib_ops (gdbarch, &dsbt_so_ops);
tdep->syscall_next_pc = tic6x_linux_syscall_next_pc;
#ifdef HAVE_ELF
/* In tic6x Linux kernel, breakpoint instructions varies on different archs.
On C64x+ and C67x+, breakpoint instruction is 0x56454314, which is an
illegal opcode. On other arch, breakpoint instruction is 0x0000a122
(BNOP .S2 0,5). */
if (info.abfd)
switch (bfd_elf_get_obj_attr_int (info.abfd, OBJ_ATTR_PROC, Tag_ISA))
{
case C6XABI_Tag_ISA_C64XP:
case C6XABI_Tag_ISA_C67XP:
if (info.byte_order == BFD_ENDIAN_BIG)
tdep->breakpoint = tic6x_bkpt_illegal_opcode_be;
else
tdep->breakpoint = tic6x_bkpt_illegal_opcode_le;
break;
default:
{
if (info.byte_order == BFD_ENDIAN_BIG)
tdep->breakpoint = tic6x_bkpt_bnop_be;
else
tdep->breakpoint = tic6x_bkpt_bnop_le;
}
}
#endif
/* Signal trampoline support. */
tramp_frame_prepend_unwinder (gdbarch,
&tic6x_linux_rt_sigreturn_tramp_frame);
}
static void
sparc64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = new_gdbarch_tdep(gdbarch);
tramp_frame_prepend_unwinder (gdbarch, &sparc64_linux_rt_sigframe);
sparc64_init_abi (info, gdbarch);
/* GNU/Linux has SVR4-style shared libraries... */
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
/* ...which means that we need some special handling when doing
prologue analysis. */
tdep->plt_entry_size = 16;
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
}
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
ppc_linux_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* NOTE: jimb/2004-03-26: The System V ABI PowerPC Processor
Supplement says that long doubles are sixteen bytes long.
However, as one of the known warts of its ABI, PPC GNU/Linux uses
eight-byte long doubles. GCC only recently got 128-bit long
double support on PPC, so it may be changing soon. The
Linux[sic] Standards Base says that programs that use 'long
double' on PPC GNU/Linux are non-conformant. */
/* NOTE: cagney/2005-01-25: True for both 32- and 64-bit. */
set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
/* Handle PPC GNU/Linux 64-bit function pointers (which are really
function descriptors) and 32-bit secure PLT entries. */
set_gdbarch_convert_from_func_ptr_addr
(gdbarch, ppc_linux_convert_from_func_ptr_addr);
if (tdep->wordsize == 4)
{
/* Until November 2001, gcc did not comply with the 32 bit SysV
R4 ABI requirement that structures less than or equal to 8
bytes should be returned in registers. Instead GCC was using
the the AIX/PowerOpen ABI - everything returned in memory
(well ignoring vectors that is). When this was corrected, it
wasn't fixed for GNU/Linux native platform. Use the
PowerOpen struct convention. */
set_gdbarch_return_value (gdbarch, ppc_linux_return_value);
set_gdbarch_memory_remove_breakpoint (gdbarch,
ppc_linux_memory_remove_breakpoint);
/* Shared library handling. */
set_gdbarch_skip_trampoline_code (gdbarch,
ppc_linux_skip_trampoline_code);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
/* Trampolines. */
tramp_frame_prepend_unwinder (gdbarch, &ppc32_linux_sigaction_tramp_frame);
tramp_frame_prepend_unwinder (gdbarch, &ppc32_linux_sighandler_tramp_frame);
}
if (tdep->wordsize == 8)
{
/* Shared library handling. */
set_gdbarch_skip_trampoline_code (gdbarch, ppc64_skip_trampoline_code);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
/* Trampolines. */
tramp_frame_prepend_unwinder (gdbarch, &ppc64_linux_sigaction_tramp_frame);
tramp_frame_prepend_unwinder (gdbarch, &ppc64_linux_sighandler_tramp_frame);
}
set_gdbarch_regset_from_core_section (gdbarch, ppc_linux_regset_from_core_section);
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
}
static void
mips_linux_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
enum mips_abi abi = mips_abi (gdbarch);
struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info;
linux_init_abi (info, gdbarch);
switch (abi)
{
case MIPS_ABI_O32:
set_gdbarch_get_longjmp_target (gdbarch,
mips_linux_get_longjmp_target);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
tramp_frame_prepend_unwinder (gdbarch, &mips_linux_o32_sigframe);
tramp_frame_prepend_unwinder (gdbarch, &mips_linux_o32_rt_sigframe);
break;
case MIPS_ABI_N32:
set_gdbarch_get_longjmp_target (gdbarch,
mips_linux_get_longjmp_target);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
set_gdbarch_long_double_bit (gdbarch, 128);
/* These floatformats should probably be renamed. MIPS uses
the same 128-bit IEEE floating point format that IA-64 uses,
except that the quiet/signalling NaN bit is reversed (GDB
does not distinguish between quiet and signalling NaNs). */
set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
tramp_frame_prepend_unwinder (gdbarch, &mips_linux_n32_rt_sigframe);
break;
case MIPS_ABI_N64:
set_gdbarch_get_longjmp_target (gdbarch,
mips64_linux_get_longjmp_target);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
set_gdbarch_long_double_bit (gdbarch, 128);
/* These floatformats should probably be renamed. MIPS uses
the same 128-bit IEEE floating point format that IA-64 uses,
except that the quiet/signalling NaN bit is reversed (GDB
does not distinguish between quiet and signalling NaNs). */
set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
tramp_frame_prepend_unwinder (gdbarch, &mips_linux_n64_rt_sigframe);
break;
default:
break;
}
set_gdbarch_skip_solib_resolver (gdbarch, mips_linux_skip_resolver);
set_gdbarch_software_single_step (gdbarch, mips_software_single_step);
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
/* Initialize this lazily, to avoid an initialization order
dependency on solib-svr4.c's _initialize routine. */
if (mips_svr4_so_ops.in_dynsym_resolve_code == NULL)
{
mips_svr4_so_ops = svr4_so_ops;
mips_svr4_so_ops.in_dynsym_resolve_code
= mips_linux_in_dynsym_resolve_code;
}
set_solib_ops (gdbarch, &mips_svr4_so_ops);
set_gdbarch_write_pc (gdbarch, mips_linux_write_pc);
set_gdbarch_core_read_description (gdbarch,
mips_linux_core_read_description);
set_gdbarch_regset_from_core_section (gdbarch,
mips_linux_regset_from_core_section);
tdep->syscall_next_pc = mips_linux_syscall_next_pc;
if (tdesc_data)
{
const struct tdesc_feature *feature;
/* If we have target-described registers, then we can safely
reserve a number for MIPS_RESTART_REGNUM (whether it is
described or not). */
gdb_assert (gdbarch_num_regs (gdbarch) <= MIPS_RESTART_REGNUM);
set_gdbarch_num_regs (gdbarch, MIPS_RESTART_REGNUM + 1);
set_gdbarch_num_pseudo_regs (gdbarch, MIPS_RESTART_REGNUM + 1);
/* If it's present, then assign it to the reserved number. */
feature = tdesc_find_feature (info.target_desc,
"org.gnu.gdb.mips.linux");
if (feature != NULL)
tdesc_numbered_register (feature, tdesc_data, MIPS_RESTART_REGNUM,
"restart");
}
}
static void
arm_linux_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (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);
/* Core file support. */
set_gdbarch_regset_from_core_section (gdbarch,
arm_linux_regset_from_core_section);
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);
}
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);
}
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;
}
static void
arm_linux_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
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;
}
if (is_target_linux_android ())
tdep->jb_pc = ARM_ANDROID_JB_PC;
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);
if (is_target_linux_android ())
/* This is incomplete, we can't singlestep through the handler back to
the interrupted code, address 0xffff0500 is inaccessible.
This is really a temp hack until there's libc additions to put the
trampoline code in user space. */
frame_unwind_prepend_unwinder (gdbarch,
&arm_android_sigreturn_tramp_frame);
else
{ /* This indentation is on purpose to minimize whitespace changes. */
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_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);
tdep->syscall_next_pc = arm_linux_syscall_next_pc;
}