* linux-x86-low.c (update_debug_registers_callback): New.
(i386_dr_low_set_addr): Use it.
(i386_dr_low_get_addr): New.
(i386_dr_low_set_control): Use update_debug_registers_callback.
(i386_dr_low_get_control): New.
(i386_dr_low_get_status): Adjust.
* linux-low.c (linux_stop_lwp): New.
* linux-low.h (linux_stop_lwp): Declare.
* i386-low.c (I386_DR_GET_RW_LEN): Take the dr7 contents as
argument instead of a i386_debug_reg_state.
(I386_DR_WATCH_HIT): Take the dr6 contents as argument instead of
a i386_debug_reg_state.
(i386_insert_aligned_watchpoint): Adjust.
(i386_remove_aligned_watchpoint): Adjust.
(i386_low_stopped_data_address): Read the debug registers from the
inferior instead of from the mirrors.
* i386-low.h (struct i386_debug_reg_state): Extend comment.
(i386_dr_low_get_addr): Declare.
(i386_dr_low_get_control): Declare.
(i386_dr_low_get_status): Change prototype.
* win32-i386-low.c (dr_status_mirror, dr_control_mirror): New globals.
(i386_dr_low_get_addr): New.
(i386_dr_low_get_control): New.
(i386_dr_low_get_status): Adjust prototype. Return
dr_status_mirror.
(i386_initial_stuff): Clear dr_status_mirror and
dr_control_mirror.
(i386_get_thread_context): Adjust.
(i386_set_thread_context): Adjust.
(i386_thread_added): Adjust.
headers if any loaded section wraps the address space. Simplify
~(m-1) to -m. Use lma rather than vma when determining whether
note sections are adjacent.
* dwarf2read.c (dwarf2_per_objfile): New members debug_info_type_hash,
debug_types_type_hash.
(dwarf2_cu, dwarf2_per_cu_data): Delete member type_hash.
All uses updated.
(lookup_die_type): Renamed from tag_type_to_tag. First look in
appropriate type_hash table. All callers updated.
(allocate_signatured_type_table): Renamed from
allocate_signatured_type_hash_table. All callers updated.
(create_signatured_type_table_from_index): Renamed from
create_signatured_type_hash_from_index. All callers updated.
(read_die_type): Add comment. Move actual reading to ...
(read_die_type_1): ... here. New function.
(follow_die_ref_or_sig): Tweak comment.
(set_die_type): Rewrite to use appropriate choice of
debug_info_type_hash or debug_types_type_hash.
(get_die_type_at_offset): New function.
(get_die_type): Call it.
testsuite/
PR symtab/11942
* gdb.dwarf2/dw4-sig-types.cc: New file.
* gdb.dwarf2/dw4-sig-types.h: New file.
* gdb.dwarf2/dw4-sig-types-b.cc: New file.
* gdb.dwarf2/dw4-sig-types.exp: New file.
(arm_psr_thumb_bit): New. Update all uses of CPSR_T to
call this function.
(arm_pc_is_thumb): Add a gdbarch argument. Update all callers.
Check is_m after force-mode.
(arm_gdbarch_init): Check the binary before the target description.
Add check for M profile attribute. If we have an M-profile device,
but no target register description, use arm-with-m. Recognize the
new org.gnu.gdb.arm.m-profile feature and its xpsr register.
(_initialize_arm_tdep): Call initialize_tdesc_arm_with_m.
* arm-tdep.h (XPSR_T): Define.
(struct gdbarch_tdep): Add is_m member.
* features/arm-m-profile.xml, features/arm-with-m.c,
features/arm-with-m.xml: New files.
doc/
* gdb.texinfo (ARM Features): Document
org.gnu.gdb.arm.m-profile.
(read_enumeration_type): Add comment.
(process_enumeration_scope): Move definition of some locals
closer to their use.
(read_namespace_type): Add comment.
symbols data.
(Lib_group::include_member): Unlock object after deleting its
symbols data.
* testsuite/start_lib_test_3.c: Remove all global symbols to trigger
the bug fixed here.
* readelf.c (display_mips_gnu_attribute): Replace GCC options
with a textual description of a MIPS32r2 64-bit FPU.
ld/testsuite/
* ld-mips-elf/attr-gnu-4-04.d: Adjust Tag_GNU_MIPS_ABI_FP for
the new MIPS32r2 64-bit FPU description.
* ld-mips-elf/attr-gnu-4-40.d: Likewise.
* ld-mips-elf/attr-gnu-4-44.d: Likewise.
