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 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); set_solib_svr4_fetch_link_map_offsets (gdbarch, nbsd_lp64_solib_svr4_fetch_link_map_offsets); tdep->dynamic_sigtramp_offset = alphanbsd_sigtramp_offset; tdep->pc_in_sigtramp = alphanbsd_pc_in_sigtramp; tdep->sigcontext_addr = alphanbsd_sigcontext_addr; tdep->jb_pc = 2; tdep->jb_elt_size = 8; }
static void arm_netbsd_init_abi_common (struct gdbarch_info info, struct gdbarch *gdbarch) { struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); tdep->lowest_pc = 0x8000; switch (info.byte_order_for_code) { case BFD_ENDIAN_LITTLE: tdep->arm_breakpoint = arm_nbsd_arm_le_breakpoint; tdep->thumb_breakpoint = arm_nbsd_thumb_le_breakpoint; tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_le_breakpoint); tdep->thumb_breakpoint_size = sizeof (arm_nbsd_thumb_le_breakpoint); break; case BFD_ENDIAN_BIG: tdep->arm_breakpoint = arm_nbsd_arm_be_breakpoint; tdep->thumb_breakpoint = arm_nbsd_thumb_be_breakpoint; tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_be_breakpoint); tdep->thumb_breakpoint_size = sizeof (arm_nbsd_thumb_be_breakpoint); break; default: internal_error (__FILE__, __LINE__, _("arm_gdbarch_init: bad byte order for float format")); } tdep->jb_pc = ARM_NBSD_JB_PC; tdep->jb_elt_size = ARM_NBSD_JB_ELEMENT_SIZE; /* Single stepping. */ set_gdbarch_software_single_step (gdbarch, arm_software_single_step); }
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 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); }
void sparc64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); frame_unwind_append_unwinder (gdbarch, &sparc64_sol2_sigtramp_frame_unwind); sparc64_init_abi (info, gdbarch); /* The Sun compilers (Sun ONE Studio, Forte Developer, Sun WorkShop, SunPRO) compiler puts out 0 instead of the address in N_SO stabs. Starting with SunPRO 3.0, the compiler does this for N_FUN stabs too. */ set_gdbarch_sofun_address_maybe_missing (gdbarch, 1); /* The Sun compilers also do "globalization"; see the comment in sparc_sol2_static_transform_name for more information. */ set_gdbarch_static_transform_name (gdbarch, sparc_sol2_static_transform_name); /* Solaris has SVR4-style shared libraries... */ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); set_gdbarch_skip_solib_resolver (gdbarch, sol2_skip_solib_resolver); 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; /* Solaris has kernel-assisted single-stepping support. */ set_gdbarch_software_single_step (gdbarch, NULL); /* How to print LWP PTIDs from core files. */ set_gdbarch_core_pid_to_str (gdbarch, sol2_core_pid_to_str); }
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 arm_wince_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { struct gdbarch_tdep *tdep = new_gdbarch_tdep(gdbarch); tdep->arm_breakpoint = arm_wince_le_breakpoint; tdep->arm_breakpoint_size = sizeof (arm_wince_le_breakpoint); tdep->thumb_breakpoint = arm_wince_thumb_le_breakpoint; tdep->thumb_breakpoint_size = sizeof (arm_wince_thumb_le_breakpoint); tdep->struct_return = pcc_struct_return; tdep->fp_model = ARM_FLOAT_SOFT_VFP; tdep->jb_pc = ARM_WINCE_JB_PC; tdep->jb_elt_size = ARM_WINCE_JB_ELEMENT_SIZE; /* On ARM WinCE char defaults to signed. */ set_gdbarch_char_signed (gdbarch, 1); /* Shared library handling. */ set_solib_ops (gdbarch, &solib_target_so_ops); set_gdbarch_skip_trampoline_code (gdbarch, arm_pe_skip_trampoline_code); /* Single stepping. */ set_gdbarch_software_single_step (gdbarch, arm_software_single_step); /* Skip call to __gccmain that gcc places in main. */ set_gdbarch_skip_main_prologue (gdbarch, arm_wince_skip_main_prologue); }
static void rs6000_aix_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch) { /* RS6000/AIX does not support PT_STEP. Has to be simulated. */ set_gdbarch_software_single_step (gdbarch, rs6000_software_single_step); /* Core file support. */ set_gdbarch_regset_from_core_section (gdbarch, rs6000_aix_regset_from_core_section); /* Minimum possible text address in AIX. */ gdbarch_tdep (gdbarch)->text_segment_base = 0x10000000; }
void sparc32_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); /* Solaris 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; /* Solaris has kernel-assisted single-stepping support. */ set_gdbarch_software_single_step (gdbarch, NULL); frame_unwind_append_sniffer (gdbarch, sparc32_sol2_sigtramp_frame_sniffer); }
static void alpha_osf1_init_abi(struct gdbarch_info info, struct gdbarch *gdbarch) { struct gdbarch_tdep *tdep = new_gdbarch_tdep(gdbarch); /* Hook into the MDEBUG frame unwinder: */ alpha_mdebug_init_abi(info, gdbarch); /* The next/step support via procfs on OSF1 is broken when running on multi-processor machines. We need to use software single stepping instead. */ set_gdbarch_software_single_step(gdbarch, alpha_software_single_step); tdep->sigcontext_addr = alpha_osf1_sigcontext_addr; tdep->pc_in_sigtramp = alpha_osf1_pc_in_sigtramp; tdep->jb_pc = 2; tdep->jb_elt_size = 8; }
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 mipsnbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { set_gdbarch_regset_from_core_section (gdbarch, mipsnbsd_regset_from_core_section); 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)); }
void sparc64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); set_gdbarch_pc_in_sigtramp (gdbarch, sparc_sol2_pc_in_sigtramp); frame_unwind_append_sniffer (gdbarch, sparc64_sol2_sigtramp_frame_sniffer); sparc64_init_abi (info, gdbarch); /* Solaris has SVR4-style shared libraries... */ set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section); set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); /* ...which means that we need some special handling when doing prologue analysis. */ tdep->plt_entry_size = 16; /* Solaris has kernel-assisted single-stepping support. */ set_gdbarch_software_single_step (gdbarch, NULL); }
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 struct gdbarch * sparc32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) { struct gdbarch_tdep *tdep; struct gdbarch *gdbarch; /* If there is already a candidate, use it. */ arches = gdbarch_list_lookup_by_info (arches, &info); if (arches != NULL) return arches->gdbarch; /* Allocate space for the new architecture. */ tdep = XMALLOC (struct gdbarch_tdep); gdbarch = gdbarch_alloc (&info, tdep); tdep->pc_regnum = SPARC32_PC_REGNUM; tdep->npc_regnum = SPARC32_NPC_REGNUM; tdep->gregset = NULL; tdep->sizeof_gregset = 0; tdep->fpregset = NULL; tdep->sizeof_fpregset = 0; tdep->plt_entry_size = 0; tdep->step_trap = sparc_step_trap; set_gdbarch_long_double_bit (gdbarch, 128); set_gdbarch_long_double_format (gdbarch, &floatformat_sparc_quad); set_gdbarch_num_regs (gdbarch, SPARC32_NUM_REGS); set_gdbarch_register_name (gdbarch, sparc32_register_name); set_gdbarch_register_type (gdbarch, sparc32_register_type); set_gdbarch_num_pseudo_regs (gdbarch, SPARC32_NUM_PSEUDO_REGS); set_gdbarch_pseudo_register_read (gdbarch, sparc32_pseudo_register_read); set_gdbarch_pseudo_register_write (gdbarch, sparc32_pseudo_register_write); /* Register numbers of various important registers. */ set_gdbarch_sp_regnum (gdbarch, SPARC_SP_REGNUM); /* %sp */ set_gdbarch_pc_regnum (gdbarch, SPARC32_PC_REGNUM); /* %pc */ set_gdbarch_fp0_regnum (gdbarch, SPARC_F0_REGNUM); /* %f0 */ /* Call dummy code. */ set_gdbarch_call_dummy_location (gdbarch, ON_STACK); set_gdbarch_push_dummy_code (gdbarch, sparc32_push_dummy_code); set_gdbarch_push_dummy_call (gdbarch, sparc32_push_dummy_call); set_gdbarch_return_value (gdbarch, sparc32_return_value); set_gdbarch_stabs_argument_has_addr (gdbarch, sparc32_stabs_argument_has_addr); set_gdbarch_skip_prologue (gdbarch, sparc32_skip_prologue); /* Stack grows downward. */ set_gdbarch_inner_than (gdbarch, core_addr_lessthan); set_gdbarch_breakpoint_from_pc (gdbarch, sparc_breakpoint_from_pc); set_gdbarch_frame_args_skip (gdbarch, 8); set_gdbarch_print_insn (gdbarch, print_insn_sparc); set_gdbarch_software_single_step (gdbarch, sparc_software_single_step); set_gdbarch_write_pc (gdbarch, sparc_write_pc); set_gdbarch_unwind_dummy_id (gdbarch, sparc_unwind_dummy_id); set_gdbarch_unwind_pc (gdbarch, sparc_unwind_pc); frame_base_set_default (gdbarch, &sparc32_frame_base); /* Hook in the DWARF CFI frame unwinder. */ dwarf2_frame_set_init_reg (gdbarch, sparc32_dwarf2_frame_init_reg); /* FIXME: kettenis/20050423: Don't enable the unwinder until the StackGhost issues have been resolved. */ /* Hook in ABI-specific overrides, if they have been registered. */ gdbarch_init_osabi (info, gdbarch); frame_unwind_append_sniffer (gdbarch, sparc32_frame_sniffer); /* If we have register sets, enable the generic core file support. */ if (tdep->gregset) set_gdbarch_regset_from_core_section (gdbarch, sparc_regset_from_core_section); return gdbarch; }
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) { 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; }