#include "gdbcore.h"
#include "gdbcmd.h"
#include "objfiles.h"
+#include "osabi.h"
#include "regcache.h"
#include "trad-frame.h"
#include "frame-base.h"
struct tdesc_arch_data *tdesc_data = tdesc_data_alloc ();
info.tdesc_data = tdesc_data;
- /* Default ABI and register size. */
+ set_gdbarch_believe_pcc_promotion (gdbarch, 0);
+ set_gdbarch_char_signed (gdbarch, 0);
+
+ /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles.
+ We can safely let them default to 128-bit, since the debug info
+ will give the size of type actually used in each case. */
+ set_gdbarch_long_double_bit (gdbarch, 128);
+ set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
+
+ /* Amount PC must be decremented by after a breakpoint. This is
+ often the number of bytes returned by gdbarch_breakpoint_from_pc but not
+ always. */
+ set_gdbarch_decr_pc_after_break (gdbarch, 2);
+ /* Stack grows downward. */
+ set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind);
+ set_gdbarch_software_single_step (gdbarch, s390_software_single_step);
+ set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep);
+ set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue);
+ set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p);
+
+ set_gdbarch_num_regs (gdbarch, S390_NUM_REGS);
+ set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM);
+ set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM);
+ set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
+ set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
+ set_gdbarch_value_from_register (gdbarch, s390_value_from_register);
+ set_gdbarch_guess_tracepoint_registers (gdbarch, s390_guess_tracepoint_registers);
+ set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read);
+ set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write);
+ set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name);
+ set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type);
+ set_tdesc_pseudo_register_reggroup_p (gdbarch,
+ s390_pseudo_register_reggroup_p);
+ set_gdbarch_ax_pseudo_register_collect (gdbarch,
+ s390_ax_pseudo_register_collect);
+ set_gdbarch_ax_pseudo_register_push_stack
+ (gdbarch, s390_ax_pseudo_register_push_stack);
+ set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address);
+
+ /* Inferior function calls. */
+ set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call);
+ set_gdbarch_dummy_id (gdbarch, s390_dummy_id);
+ set_gdbarch_frame_align (gdbarch, s390_frame_align);
+ set_gdbarch_return_value (gdbarch, s390_return_value);
+
+ /* Frame handling. */
+ dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg);
+ dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum);
+ dwarf2_append_unwinders (gdbarch);
+ set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc);
+ set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp);
+
+ /* Displaced stepping. */
+ set_gdbarch_displaced_step_copy_insn (gdbarch,
+ s390_displaced_step_copy_insn);
+ set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup);
+ set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
+ set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE);
+
switch (info.bfd_arch_info->mach)
{
case bfd_mach_s390_31:
- tdep->abi = ABI_LINUX_S390;
+ set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove);
break;
case bfd_mach_s390_64:
- tdep->abi = ABI_LINUX_ZSERIES;
+ set_gdbarch_long_bit (gdbarch, 64);
+ set_gdbarch_long_long_bit (gdbarch, 64);
+ set_gdbarch_ptr_bit (gdbarch, 64);
+ set_gdbarch_address_class_type_flags (gdbarch,
+ s390_address_class_type_flags);
+ set_gdbarch_address_class_type_flags_to_name (gdbarch,
+ s390_address_class_type_flags_to_name);
+ set_gdbarch_address_class_name_to_type_flags (gdbarch,
+ s390_address_class_name_to_type_flags);
break;
-
- default:
- xfree (tdep);
- gdbarch_free (gdbarch);
- return NULL;
}
- /* Use default target description if none provided by the target. */
- if (!tdesc_has_registers (tdesc))
- {
- if (tdep->abi == ABI_LINUX_S390)
- tdesc = tdesc_s390_linux32;
- else
- tdesc = tdesc_s390x_linux64;
- }
- tdep->tdesc = tdesc;
+ /* SystemTap functions. */
+ 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_disassembler_options (gdbarch, &s390_disassembler_options);
+ set_gdbarch_valid_disassembler_options (gdbarch,
+ disassembler_options_s390 ());
+
+ /* Process record-replay */
+ set_gdbarch_process_record (gdbarch, s390_process_record);
+
+ /* Miscellaneous. */
+ set_gdbarch_stap_is_single_operand (gdbarch, s390_stap_is_single_operand);
+ set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options);
+ set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp);
+
+ /* Initialize the OSABI. */
+ gdbarch_init_osabi (info, gdbarch);
/* Check any target description for validity. */
gdb_assert (tdesc_has_registers (tdep->tdesc));
return arches->gdbarch;
}
- set_gdbarch_believe_pcc_promotion (gdbarch, 0);
- set_gdbarch_char_signed (gdbarch, 0);
-
- /* S/390 GNU/Linux uses either 64-bit or 128-bit long doubles.
- We can safely let them default to 128-bit, since the debug info
- will give the size of type actually used in each case. */
- set_gdbarch_long_double_bit (gdbarch, 128);
- set_gdbarch_long_double_format (gdbarch, floatformats_ia64_quad);
-
- /* Amount PC must be decremented by after a breakpoint. This is
- often the number of bytes returned by gdbarch_breakpoint_from_pc but not
- always. */
- set_gdbarch_decr_pc_after_break (gdbarch, 2);
- /* Stack grows downward. */
- set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
- set_gdbarch_breakpoint_kind_from_pc (gdbarch, s390_breakpoint::kind_from_pc);
- set_gdbarch_sw_breakpoint_from_kind (gdbarch, s390_breakpoint::bp_from_kind);
- set_gdbarch_software_single_step (gdbarch, s390_software_single_step);
- set_gdbarch_displaced_step_hw_singlestep (gdbarch, s390_displaced_step_hw_singlestep);
- set_gdbarch_skip_prologue (gdbarch, s390_skip_prologue);
- set_gdbarch_stack_frame_destroyed_p (gdbarch, s390_stack_frame_destroyed_p);
-
- set_gdbarch_num_regs (gdbarch, S390_NUM_REGS);
- set_gdbarch_sp_regnum (gdbarch, S390_SP_REGNUM);
- set_gdbarch_fp0_regnum (gdbarch, S390_F0_REGNUM);
- set_gdbarch_stab_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
- set_gdbarch_dwarf2_reg_to_regnum (gdbarch, s390_dwarf_reg_to_regnum);
- set_gdbarch_value_from_register (gdbarch, s390_value_from_register);
- set_gdbarch_core_read_description (gdbarch, s390_core_read_description);
- set_gdbarch_iterate_over_regset_sections (gdbarch,
- s390_iterate_over_regset_sections);
- set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register);
- set_gdbarch_write_pc (gdbarch, s390_write_pc);
- set_gdbarch_guess_tracepoint_registers (gdbarch, s390_guess_tracepoint_registers);
- set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read);
- set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write);
- set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name);
- set_tdesc_pseudo_register_type (gdbarch, s390_pseudo_register_type);
- set_tdesc_pseudo_register_reggroup_p (gdbarch,
- s390_pseudo_register_reggroup_p);
- set_gdbarch_ax_pseudo_register_collect (gdbarch,
- s390_ax_pseudo_register_collect);
- set_gdbarch_ax_pseudo_register_push_stack
- (gdbarch, s390_ax_pseudo_register_push_stack);
- set_gdbarch_gen_return_address (gdbarch, s390_gen_return_address);
tdesc_use_registers (gdbarch, tdep->tdesc, tdesc_data);
set_gdbarch_register_name (gdbarch, s390_register_name);
set_gdbarch_pc_regnum (gdbarch, tdep->pc_regnum);
set_gdbarch_num_pseudo_regs (gdbarch, last_pseudo_reg - first_pseudo_reg);
- /* Inferior function calls. */
- set_gdbarch_push_dummy_call (gdbarch, s390_push_dummy_call);
- set_gdbarch_dummy_id (gdbarch, s390_dummy_id);
- set_gdbarch_frame_align (gdbarch, s390_frame_align);
- set_gdbarch_return_value (gdbarch, s390_return_value);
-
- /* Syscall handling. */
- set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number);
-
- /* Frame handling. */
- dwarf2_frame_set_init_reg (gdbarch, s390_dwarf2_frame_init_reg);
- dwarf2_frame_set_adjust_regnum (gdbarch, s390_adjust_frame_regnum);
- dwarf2_append_unwinders (gdbarch);
frame_base_append_sniffer (gdbarch, dwarf2_frame_base_sniffer);
frame_unwind_append_unwinder (gdbarch, &s390_stub_frame_unwind);
- frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind);
frame_unwind_append_unwinder (gdbarch, &s390_frame_unwind);
frame_base_set_default (gdbarch, &s390_frame_base);
- set_gdbarch_unwind_pc (gdbarch, s390_unwind_pc);
- set_gdbarch_unwind_sp (gdbarch, s390_unwind_sp);
- /* Displaced stepping. */
- set_gdbarch_displaced_step_copy_insn (gdbarch,
- s390_displaced_step_copy_insn);
- set_gdbarch_displaced_step_fixup (gdbarch, s390_displaced_step_fixup);
- set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
- set_gdbarch_max_insn_length (gdbarch, S390_MAX_INSTR_SIZE);
+ return gdbarch;
+}
- /* Note that GNU/Linux is the only OS supported on this
- platform. */
- linux_init_abi (info, gdbarch);
+/* Initialize OSABI common for GNU/Linux on 31- and 64-bit systems. */
- switch (tdep->abi)
- {
- case ABI_LINUX_S390:
- set_gdbarch_addr_bits_remove (gdbarch, s390_addr_bits_remove);
- set_solib_svr4_fetch_link_map_offsets
- (gdbarch, svr4_ilp32_fetch_link_map_offsets);
+static void
+s390_linux_init_abi_any (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ linux_init_abi (info, gdbarch);
- set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390);
- break;
+ /* Register handling. */
+ set_gdbarch_core_read_description (gdbarch, s390_core_read_description);
+ set_gdbarch_iterate_over_regset_sections (gdbarch,
+ s390_iterate_over_regset_sections);
+ set_gdbarch_write_pc (gdbarch, s390_write_pc);
+ set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register);
- case ABI_LINUX_ZSERIES:
- set_gdbarch_long_bit (gdbarch, 64);
- set_gdbarch_long_long_bit (gdbarch, 64);
- set_gdbarch_ptr_bit (gdbarch, 64);
- set_solib_svr4_fetch_link_map_offsets
- (gdbarch, svr4_lp64_fetch_link_map_offsets);
- set_gdbarch_address_class_type_flags (gdbarch,
- s390_address_class_type_flags);
- set_gdbarch_address_class_type_flags_to_name (gdbarch,
- s390_address_class_type_flags_to_name);
- set_gdbarch_address_class_name_to_type_flags (gdbarch,
- s390_address_class_name_to_type_flags);
- set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X);
- break;
- }
+ /* Syscall handling. */
+ set_gdbarch_get_syscall_number (gdbarch, s390_linux_get_syscall_number);
+ /* Frame handling. */
+ frame_unwind_append_unwinder (gdbarch, &s390_sigtramp_frame_unwind);
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
/* Enable TLS support. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
- /* SystemTap functions. */
- 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, s390_stap_is_single_operand);
- set_gdbarch_gcc_target_options (gdbarch, s390_gcc_target_options);
- set_gdbarch_gnu_triplet_regexp (gdbarch, s390_gnu_triplet_regexp);
-
/* Support reverse debugging. */
-
- set_gdbarch_process_record (gdbarch, s390_process_record);
set_gdbarch_process_record_signal (gdbarch, s390_linux_record_signal);
-
s390_init_linux_record_tdep (&s390_linux_record_tdep, ABI_LINUX_S390);
s390_init_linux_record_tdep (&s390x_linux_record_tdep, ABI_LINUX_ZSERIES);
+}
- set_gdbarch_disassembler_options (gdbarch, &s390_disassembler_options);
- set_gdbarch_valid_disassembler_options (gdbarch,
- disassembler_options_s390 ());
+/* Initialize OSABI for GNU/Linux on 31-bit systems. */
- return gdbarch;
+static void
+s390_linux_init_abi_31 (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ const struct target_desc *tdesc = info.target_desc;
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ tdep->abi = ABI_LINUX_S390;
+ if (!tdesc_has_registers (tdesc))
+ tdesc = tdesc_s390_linux32;
+ tdep->tdesc = tdesc;
+
+ s390_linux_init_abi_any (info, gdbarch);
+
+ set_solib_svr4_fetch_link_map_offsets (gdbarch,
+ svr4_ilp32_fetch_link_map_offsets);
+ set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390);
+}
+
+/* Initialize OSABI for GNU/Linux on 64-bit systems. */
+
+static void
+s390_linux_init_abi_64 (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ const struct target_desc *tdesc = info.target_desc;
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ tdep->abi = ABI_LINUX_ZSERIES;
+ if (!tdesc_has_registers (tdesc))
+ tdesc = tdesc_s390x_linux64;
+ tdep->tdesc = tdesc;
+
+ s390_linux_init_abi_any (info, gdbarch);
+
+ set_solib_svr4_fetch_link_map_offsets (gdbarch,
+ svr4_lp64_fetch_link_map_offsets);
+ set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_S390X);
}
void
/* Hook us into the gdbarch mechanism. */
register_gdbarch_init (bfd_arch_s390, s390_gdbarch_init);
+ /* Hook us into the OSABI mechanism. */
+ gdbarch_register_osabi (bfd_arch_s390, bfd_mach_s390_31, GDB_OSABI_LINUX,
+ s390_linux_init_abi_31);
+ gdbarch_register_osabi (bfd_arch_s390, bfd_mach_s390_64, GDB_OSABI_LINUX,
+ s390_linux_init_abi_64);
+
/* Initialize the GNU/Linux target descriptions. */
initialize_tdesc_s390_linux32 ();
initialize_tdesc_s390_linux32v1 ();
projects / binutils-gdb.git / commitdiff