static void
i386_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Solaris is SVR4-based. */
i386_svr4_init_abi (info, gdbarch);
/* Solaris reserves space for its FPU emulator in `fpregset_t'.
There is also some space reserved for the registers of a Weitek
math coprocessor. */
tdep->gregset_reg_offset = i386_sol2_gregset_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (i386_sol2_gregset_reg_offset);
tdep->sizeof_gregset = 19 * 4;
tdep->sizeof_fpregset = 380;
/* Signal trampolines are slightly different from SVR4. */
tdep->sigtramp_p = i386_sol2_sigtramp_p;
tdep->sigcontext_addr = i386_sol2_mcontext_addr;
tdep->sc_reg_offset = tdep->gregset_reg_offset;
tdep->sc_num_regs = tdep->gregset_num_regs;
/* Solaris has SVR4-style shared libraries. */
set_gdbarch_skip_solib_resolver (gdbarch, sol2_skip_solib_resolver);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
static void
vaxnbsd_elf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
/* NetBSD ELF uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
static void
i386fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Obviously FreeBSD is BSD-based. */
i386bsd_init_abi (info, gdbarch);
/* FreeBSD has a different `struct reg', and reserves some space for
its FPU emulator in `struct fpreg'. */
tdep->gregset_reg_offset = i386fbsd_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (i386fbsd_r_reg_offset);
tdep->sizeof_gregset = 18 * 4;
tdep->sizeof_fpregset = 176;
/* FreeBSD uses -freg-struct-return by default. */
tdep->struct_return = reg_struct_return;
tdep->sigtramp_p = i386fbsd_sigtramp_p;
/* FreeBSD uses a different memory layout. */
tdep->sigtramp_start = i386fbsd_sigtramp_start_addr;
tdep->sigtramp_end = i386fbsd_sigtramp_end_addr;
/* FreeBSD has a more complete `struct sigcontext'. */
tdep->sc_reg_offset = i386fbsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (i386fbsd_sc_reg_offset);
i386_elf_init_abi (info, gdbarch);
/* FreeBSD uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
static void
amd64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
amd64_init_abi (info, gdbarch);
/* Initialize general-purpose register set details. */
tdep->gregset_reg_offset = amd64obsd_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (amd64obsd_r_reg_offset);
tdep->sizeof_gregset = 24 * 8;
set_gdbarch_regset_from_core_section (gdbarch,
amd64obsd_regset_from_core_section);
tdep->jb_pc_offset = 7 * 8;
tdep->sigtramp_p = amd64obsd_sigtramp_p;
tdep->sigcontext_addr = amd64obsd_sigcontext_addr;
tdep->sc_reg_offset = amd64obsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (amd64obsd_sc_reg_offset);
/* OpenBSD uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
}
static void
nios2_linux_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_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_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
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
amd64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->gregset_reg_offset = amd64_sol2_gregset_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (amd64_sol2_gregset_reg_offset);
tdep->sizeof_gregset = 28 * 8;
amd64_init_abi (info, gdbarch,
amd64_target_description (X86_XSTATE_SSE_MASK, true));
tdep->sigtramp_p = amd64_sol2_sigtramp_p;
tdep->sigcontext_addr = amd64_sol2_mcontext_addr;
tdep->sc_reg_offset = tdep->gregset_reg_offset;
tdep->sc_num_regs = tdep->gregset_num_regs;
/* Solaris uses SVR4-style shared libraries. */
set_gdbarch_skip_solib_resolver (gdbarch, sol2_skip_solib_resolver);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
/* How to print LWP PTIDs from core files. */
set_gdbarch_core_pid_to_str (gdbarch, sol2_core_pid_to_str);
}
static void
amd64nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Initialize general-purpose register set details first. */
tdep->gregset_reg_offset = amd64nbsd_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (amd64nbsd_r_reg_offset);
tdep->sizeof_gregset = 26 * 8;
amd64_init_abi (info, gdbarch,
amd64_target_description (X86_XSTATE_SSE_MASK, true));
tdep->jb_pc_offset = 7 * 8;
/* NetBSD has its own convention for signal trampolines. */
tdep->sigtramp_p = amd64nbsd_sigtramp_p;
tdep->sigcontext_addr = amd64nbsd_mcontext_addr;
tdep->sc_reg_offset = amd64nbsd_r_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (amd64nbsd_r_reg_offset);
/* NetBSD uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
}
static void
amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->gregset_reg_offset = amd64_linux_gregset_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (amd64_linux_gregset_reg_offset);
tdep->sizeof_gregset = 27 * 8;
amd64_init_abi (info, gdbarch);
tdep->sigtramp_p = amd64_linux_sigtramp_p;
tdep->sigcontext_addr = amd64_linux_sigcontext_addr;
tdep->sc_reg_offset = amd64_linux_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (amd64_linux_sc_reg_offset);
/* GNU/Linux uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
/* Add the %orig_rax register used for syscall restarting. */
set_gdbarch_write_pc (gdbarch, amd64_linux_write_pc);
set_gdbarch_num_regs (gdbarch, AMD64_LINUX_NUM_REGS);
set_gdbarch_register_name (gdbarch, amd64_linux_register_name);
set_gdbarch_register_type (gdbarch, amd64_linux_register_type);
set_gdbarch_register_reggroup_p (gdbarch, amd64_linux_register_reggroup_p);
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
}
static void
i386_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* GNU/Linux uses ELF. */
i386_elf_init_abi (info, gdbarch);
/* We support the SSE registers on GNU/Linux. */
tdep->num_xmm_regs = I386_NUM_XREGS - 1;
/* set_gdbarch_num_regs (gdbarch, I386_SSE_NUM_REGS); */
/* Since we have the extra "orig_eax" register on GNU/Linux, we have
to adjust a few things. */
set_gdbarch_write_pc (gdbarch, i386_linux_write_pc);
set_gdbarch_num_regs (gdbarch, I386_SSE_NUM_REGS + 1);
set_gdbarch_register_name (gdbarch, i386_linux_register_name);
set_gdbarch_register_bytes (gdbarch, I386_SSE_SIZEOF_REGS + 4);
tdep->jb_pc_offset = 20; /* From <bits/setjmp.h>. */
tdep->sigcontext_addr = i386_linux_sigcontext_addr;
tdep->sc_pc_offset = 14 * 4; /* From <asm/sigcontext.h>. */
tdep->sc_sp_offset = 7 * 4;
/* When the i386 Linux kernel calls a signal handler, the return
address points to a bit of code on the stack. This function is
used to identify this bit of code as a signal trampoline in order
to support backtracing through calls to signal handlers. */
set_gdbarch_pc_in_sigtramp (gdbarch, i386_linux_pc_in_sigtramp);
set_solib_svr4_fetch_link_map_offsets (gdbarch,
i386_linux_svr4_fetch_link_map_offsets);
}
static void
amd64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
amd64_init_abi (info, gdbarch);
/* Initialize general-purpose register set details. */
tdep->gregset_reg_offset = amd64obsd_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (amd64obsd_r_reg_offset);
tdep->sizeof_gregset = 24 * 8;
set_gdbarch_regset_from_core_section (gdbarch,
amd64obsd_regset_from_core_section);
tdep->jb_pc_offset = 7 * 8;
tdep->sigtramp_p = amd64obsd_sigtramp_p;
tdep->sigcontext_addr = amd64obsd_sigcontext_addr;
tdep->sc_reg_offset = amd64obsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (amd64obsd_sc_reg_offset);
/* OpenBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, amd64obsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, amd64obsd_collect_uthread);
/* OpenBSD uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
/* Unwind kernel trap frames correctly. */
frame_unwind_prepend_unwinder (gdbarch, &amd64obsd_trapframe_unwind);
}
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
i386_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Solaris is SVR4-based. */
i386_svr4_init_abi (info, gdbarch);
/* The SunPRO compiler puts out 0 instead of the address in N_SO symbols,
and for SunPRO 3.0, N_FUN symbols too. */
set_gdbarch_sofun_address_maybe_missing (gdbarch, 1);
/* Handle SunPRO encoding of static symbols. */
set_gdbarch_static_transform_name (gdbarch, i386_sol2_static_transform_name);
/* Solaris reserves space for its FPU emulator in `fpregset_t'.
There is also some space reserved for the registers of a Weitek
math coprocessor. */
tdep->gregset_reg_offset = i386_sol2_gregset_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (i386_sol2_gregset_reg_offset);
tdep->sizeof_gregset = 19 * 4;
tdep->sizeof_fpregset = 380;
/* Signal trampolines are slightly different from SVR4. */
tdep->sigtramp_p = i386_sol2_sigtramp_p;
tdep->sigcontext_addr = i386_sol2_mcontext_addr;
tdep->sc_reg_offset = tdep->gregset_reg_offset;
tdep->sc_num_regs = tdep->gregset_num_regs;
/* Solaris has SVR4-style shared libraries. */
set_gdbarch_skip_solib_resolver (gdbarch, sol2_skip_solib_resolver);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
static void
alpha_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep;
linux_init_abi (info, 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);
tdep = gdbarch_tdep (gdbarch);
tdep->dynamic_sigtramp_offset = alpha_linux_sigtramp_offset;
tdep->sigcontext_addr = alpha_linux_sigcontext_addr;
tdep->pc_in_sigtramp = alpha_linux_pc_in_sigtramp;
tdep->jb_pc = 2;
tdep->jb_elt_size = 8;
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);
set_gdbarch_regset_from_core_section
(gdbarch, alpha_linux_regset_from_core_section);
}
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
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_regset_from_core_section
(gdbarch, alphanbsd_regset_from_core_section);
}
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
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
alphafbsd_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);
/* FreeBSD/alpha has SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
tdep->dynamic_sigtramp_offset = alphafbsd_sigtramp_offset;
tdep->sigcontext_addr = alphafbsd_sigcontext_addr;
tdep->pc_in_sigtramp = alphafbsd_pc_in_sigtramp;
tdep->return_in_memory = alphafbsd_return_in_memory;
tdep->sc_pc_offset = 288;
tdep->sc_regs_offset = 24;
tdep->sc_fpregs_offset = 320;
tdep->jb_pc = 2;
tdep->jb_elt_size = 8;
}
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)
tdep->arm_breakpoint = arm_linux_arm_be_breakpoint;
else
tdep->arm_breakpoint = arm_linux_arm_le_breakpoint;
tdep->arm_breakpoint_size = sizeof (arm_linux_arm_le_breakpoint);
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, arm_linux_svr4_fetch_link_map_offsets);
set_gdbarch_deprecated_call_dummy_words (gdbarch, arm_linux_call_dummy_words);
set_gdbarch_deprecated_sizeof_call_dummy_words (gdbarch, sizeof (arm_linux_call_dummy_words));
/* The following two overrides shouldn't be needed. */
set_gdbarch_deprecated_extract_return_value (gdbarch, arm_linux_extract_return_value);
set_gdbarch_deprecated_push_arguments (gdbarch, arm_linux_push_arguments);
/* Shared library handling. */
set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section);
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver);
}
static void
i386nto_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* NTO uses ELF. */
i386_elf_init_abi (info, gdbarch);
/* Neutrino rewinds to look more normal. Need to override the i386
default which is [unfortunately] to decrement the PC. */
set_gdbarch_decr_pc_after_break (gdbarch, 0);
/* NTO has shared libraries. */
set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section);
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
set_gdbarch_pc_in_sigtramp (gdbarch, i386nto_pc_in_sigtramp);
tdep->sigcontext_addr = i386nto_sigcontext_addr;
tdep->sc_pc_offset = 56;
tdep->sc_sp_offset = 68;
/* Setjmp()'s return PC saved in EDX (5). */
tdep->jb_pc_offset = 20; /* 5x32 bit ints in. */
set_solib_svr4_fetch_link_map_offsets (gdbarch,
i386nto_svr4_fetch_link_map_offsets);
/* Our loader handles solib relocations slightly differently than svr4. */
TARGET_SO_RELOCATE_SECTION_ADDRESSES = nto_relocate_section_addresses;
/* Supply a nice function to find our solibs. */
TARGET_SO_FIND_AND_OPEN_SOLIB = nto_find_and_open_solib;
init_i386nto_ops ();
}
static void
amd64fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
/* Obviously FreeBSD is BSD-based. */
i386bsd_init_abi (info, gdbarch);
tdep->gregset_reg_offset = amd64fbsd_r_reg_offset;
tdep->gregset_num_regs = ARRAY_SIZE (amd64fbsd_r_reg_offset);
tdep->sizeof_gregset = 22 * 8;
amd64_init_abi (info, gdbarch);
tdep->sigtramp_start = amd64fbsd_sigtramp_start_addr;
tdep->sigtramp_end = amd64fbsd_sigtramp_end_addr;
tdep->sigcontext_addr = amd64fbsd_sigcontext_addr;
tdep->sc_reg_offset = amd64fbsd_sc_reg_offset;
tdep->sc_num_regs = ARRAY_SIZE (amd64fbsd_sc_reg_offset);
/* FreeBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, amd64fbsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, amd64fbsd_collect_uthread);
/* FreeBSD uses SVR4-style shared libraries. */
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
}
static void
sparc64obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
tdep->gregset = &sparc64obsd_gregset;
tdep->sizeof_gregset = 288;
tdep->fpregset = &sparc64obsd_fpregset;
tdep->sizeof_fpregset = 272;
/* Make sure we can single-step "new" syscalls. */
tdep->step_trap = sparcnbsd_step_trap;
frame_unwind_append_unwinder (gdbarch, &sparc64obsd_frame_unwind);
frame_unwind_append_unwinder (gdbarch, &sparc64obsd_trapframe_unwind);
sparc64_init_abi (info, gdbarch);
obsd_init_abi (info, gdbarch);
/* OpenBSD/sparc64 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);
/* OpenBSD provides a user-level threads implementation. */
bsd_uthread_set_supply_uthread (gdbarch, sparc64obsd_supply_uthread);
bsd_uthread_set_collect_uthread (gdbarch, sparc64obsd_collect_uthread);
}
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
sh_linux_init_abi (struct gdbarch_info info, struct gdbarch *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);
}
void
sparc32nbsd_elf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
sparc32nbsd_init_abi (info, gdbarch);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_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
xtensa_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
linux_init_abi (info, gdbarch);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
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
shnbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
set_gdbarch_regset_from_core_section
(gdbarch, shnbsd_regset_from_core_section);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
}
