arm_pc_is_thumb.
(arm_pc_is_thumb): Use arm_find_mapping_symbol.
(extend_buffer_earlier): New function.
(MAX_IT_BLOCK_PREFIX, IT_SCAN_THRESHOLD): New constants.
(arm_adjust_breakpoint_address): New function.
(arm_gdbarch_init): Register arm_adjust_breakpoint_address.
testsuite/
* gdb.arch/thumb2-it.S (it_breakpoints): New function.
* gdb.arch/thumb2-it.exp (test_it_break): New function.
(Top level): Call it.
(arm_linux_thumb2_le_breakpoint): New constants.
(arm_linux_init_abi): Set thumb2_breakpoint and
thumb2_breakpoint_size.
* arm-tdep.c (thumb_insn_size, thumb_advance_itstate): New functions.
(thumb_get_next_pc): Add a comment. Rename IT to ITSTATE.
Implement support for single stepping through IT blocks if
a 32-bit Thumb breakpoint instruction is available.
(arm_breakpoint_from_pc): If a 32-bit Thumb breakpoint instruction
is available, use it when needed.
(arm_remote_breakpoint_from_pc): New function.
(arm_gdbarch_init): Register arm_remote_breakpoint_from_pc.
* arm-tdep.h (struct gdbarch_tdep): Correct thumb_breakpoint
comment. Add thumb2_breakpoint and thumb2_breakpoint_size.
gdbserver/
* linux-arm-low.c (thumb_breakpoint_len): Delete.
(thumb2_breakpoint): New.
(arm_breakpoint_at): Check for Thumb-2 breakpoints.
testsuite/
* gdb.arch/thumb2-it.S, gdb.arch/thumb2-it.exp: New files.
* gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
(Arm_relocate_functions::thm_alu11): New Method.
(Arm_relocate_functions::thm_pc8): New Method.
(Arm_relocate_functions::thm_pc12): New Method.
(Target_arm::Scan::local): Handle the relocations.
(Target_arm::Scan::global): Likewise.
(Target_arm::Relocate::relocate): Likewise.
(Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
* arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
output_local_symbol_count_needs_update_.
(Arm_relobj::output_local_symbol_count_needs_update,
Arm_relobj::set_output_local_symbol_count_needs_update,
Arm_relobj::update_output_local_symbol_count): New methods.
(Arm_relobj::output_local_symbol_count_needs_update_): New data
member.
(Arm_exidx_cantunwind::do_fixed_endian_write): Write address
of pointed function as in a R_ARM_PREL31 relocation.
(Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
for output local symbol count updating.
(Target_arm::do_relax): Update output local symbol counts in objects
if necessary.
* object.h (Sized_relobj::set_output_local_symbol_count): New method.
* gas/arm/dis-data.d: Update test name. Do not expect
.word output.
* gas/arm/dis-data2.d, gas/arm/dis-data2.s,
gas/arm/dis-data3.d, gas/arm/dis-data3.s: New tests.
opcodes/
* opcodes/arm-dis.c (struct arm_private_data): New.
(print_insn_coprocessor, print_insn_arm): Update to use struct
arm_private_data.
(is_mapping_symbol, get_map_sym_type): New functions.
(get_sym_code_type): Check the symbol's section. Do not check
mapping symbols.
(print_insn): Default to disassembling ARM mode code. Check
for mapping symbols separately from other symbols. Use
struct arm_private_data.
match a breakpoint.
(handle_inferior_event): Move the check for unusual breakpoint
signals earlier.
gdbserver/
* linux-low.c (get_stop_pc): Check for SIGTRAP.
(linux_wait_for_event_1): Handle SIGILL and SIGSEGV as possible
breakpoints.
gdb/ChangeLog:
From Paul Hilfinger <hilfinger@adacore.com>
* amd64-tdep.c (amd_classify_aggregate): Handle the case of
a record of length <= 16 in which a field straddles the two
eightbytes.
gdb/testsuite/ChangeLog:
* gdb.ada/rec_return: New testcase.
* amd64-windows-tdep.c: #include gdbcore.h and regcache.h.
(amd64_windows_return_value): New function.
(amd64_windows_init_abi): Call set_gdbarch_return_value with
amd64_windows_return_value.
* i386-tdep.h (struct gdbarch_tdep): Add new field
integer_param_regs_saved_in_caller_frame.
* amd64-windows-tdep.c (amd64_windows_init_abi): Set
tdep->integer_param_regs_saved_in_caller_frame to 1.
* amd64-tdep.c (amd64_push_dummy_call): Allocate some memory on
stack if tdep->integer_param_regs_saved_in_caller_frame is set.
* i386-tdep.h (gdbarch_tdep): Add field memory_args_by_pointer.
* amd64-tdep.c (amd64_push_arguments): Add handling of architectures
where tdep->memory_args_by_pointer is non-zero.
* amd64-windows-tdep.c (amd64_windows_init_abi): Set
tdep->memory_args_by_pointer to 1.
gdb/ChangeLog:
* i386-tdep.h (enum amd64_reg_class): New, moved here from
amd64-tdep.c.
(struct gdbarch_tdep): Add fields call_dummy_num_integer_regs,
call_dummy_integer_regs, and classify.
* amd64-tdep.h (amd64_classify): Add declaration.
* amd64-tdep.c (amd64_dummy_call_integer_regs): New static constant.
(amd64_reg_class): Delete, moved to i386-tdep.h.
(amd64_classify): Make non-static. Move declaration to amd64-tdep.h.
Replace call to amd64_classify by call to tdep->classify.
(amd64_push_arguments): Get the list of registers to use for
passing integer parameters from the gdbarch tdep structure,
rather than using a hardcoded one. Replace calls to amd64_classify
by calls to tdep->classify.
(amd64_push_dummy_call): Get the register number used for
the "hidden" argument from tdep->call_dummy_integer_regs.
(amd64_init_abi): Initialize tdep->call_dummy_num_integer_regs
and tdep->call_dummy_integer_regs. Set tdep->classify.
* amd64-windows-tdep.c: Add include of gdbtypes.h.
(amd64_windows_dummy_call_integer_regs): New static global.
(amd64_windows_classify): New function.
(amd64_windows_init_abi): Initialize tdep->call_dummy_num_integer_regs
tdep->call_dummy_integer_regs and tdep->classify.
gdb/testsuite/ChangeLog:
* gdb.ada/call_pn: New testcase.
for the new regcache. All callers updated.
(regcache_cpy, regcache_cpy_no_passthrough): Do not set aspace here.
(get_thread_arch_regcache): Do not set aspace here.
* regcache.h (regcache_xmalloc): Update declaration.
* frame.c, infcall.c, ppc-linux-tdep.c: Calls to
regcache_xmalloc updated.
* objdump.c (only): Replace with linked list.
(only_size, only_used): Replace with only_list.
(process_section_p): Set seen field on matches sections.
(add_only): New function.
(free_only_list): New function.
(disassemble_section): Check only_list.
(main): Use add_only and free_only_list.
* gas/pe/aligncomm-c.d: Dump all sections.
* ld-sh/refdbg-0-dso.d: Dump all sections.
* procfs.c (insert_dbx_link_breakpoint): Delete declaration. Move up.
Only define if SYS_syssgi is defined.
(remove_dbx_link_breakpoint): Delete declaration. Move up.
(dbx_link_addr, insert_dbx_link_bpt_in_file)
(insert_dbx_link_bpt_in_region): Move up. Only define if SYS_syssgi
is itself defined.
* NEWS: Mention new feature.
* config/obj-coff.c (obj_coff_section): Accept digits and use
to override default section alignment power if specified.
* doc/as.texinfo (.section directive): Update documentation.
gas/testsuite/ChangeLog:
* gas/pe/section-align-1.s: New test source file.
* gas/pe/section-align-1.d: Likewise control script.
* gas/pe/section-align-2.s: Likewise ...
* gas/pe/section-align-2.d: ... and likewise.
* gas/pe/pe.exp: Invoke new testcases.
(get_windows_debug_event): Issue error when process dies before completely
initializing.
(do_initial_windows_stuff): Set flag to indicate when we are done with the
initial steps of attaching to the child.
(Target_arm::reloc_needs_sym_origin): New method.
(Arm_relocate_functions::calc_grp_kn): New method.
(Arm_relocate_functions::calc_grp_residual): New method.
(Arm_relocate_functions::calc_grp_gn): New method.
(Arm_relocate_functions::arm_grp_alu): New Method.
(Arm_relocate_functions::arm_grp_ldr): New Method.
(Arm_relocate_functions::arm_grp_ldrs): New Method.
(Arm_relocate_functions::arm_grp_ldc): New Method.
(Target_arm::Scan::local): Handle the ARM group relocations.
(Target_arm::Scan::global): Likewise.
(Target_arm::Relocate::relocate): Likewise.
(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
Likewise.
