* arch-utils.c (target_byte_order_user): Renamed from
target_byte_order.
(target_byte_order_auto, selected_byte_order): Removed.
(show_endian): Check target_byte_order_user.
(set_endian): Always update the architecture. Set
target_byte_order_user after success.
(target_architecture_auto): Removed.
(target_architecture_user): New.
(selected_architecture_name, show_architecture): Check it.
(set_architecture): Set target_architecture_user after success.
(gdbarch_from_bfd): Check the argument.
(default_byte_order): New.
(initialize_current_architecture): Set the global default
architecture and endianness.
(gdbarch_info_fill): Remove GDBARCH argument. Do not check the
previous architecture. Use exec_bfd, global selected architecture
and endianness, and global defaults.
* arch-utils.h (selected_byte_order): Remove prototype.
(gdbarch_info_fill): Update.
* exec.c (exec_file_attach): Update the architecture after removing
the current file.
* gdbarch.sh: Update comments.
(find_arch_by_info): Remove OLD_GDBARCH argument. Update call to
gdbarch_info_fill.
(gdbarch_find_by_info): Update call to find_arch_by_info.
* gdbarch.h, gdbarch.c: Regenerated.
* remote-sim.c (gdbsim_open): Use TARGET_BYTE_ORDER.
gdb/doc/
* gdbint.texinfo (Target Architecture Definition): Add new
Initializing a New Architecture section.
(arm_fix_adjustable) [OBJ_ELF]: Use it on coff targets too.
* gas/arm/local_label_coff.s: New test.
* gas/arm/local_label_coff.d: New test.
* gas/arm/local_label_elf.s: New test.
* gas/arm/local_label_elf.d: New test.
* gas/arm/local_label_wince.s: New test.
* gas/arm/local_label_wince.d: New test.
* pei-arm-wince.c (LOCAL_LABEL_PREFIX): Likewise.
* coff-arm.c (LOCAL_LABEL_PREFIX): Only define if not defined before.
* gas/arm/undefined.d: Run test on Windows CE.
* gas/arm/undefined_coff.d: Don't run test on Windows CE.
* pex-win32.c (no_suffixes): Remove.
(std_suffixes): Add "" as first element.
(find_executable): Remove detection of already-present
extension. Try all suffixes in std_suffixes.
* config/tc-mips.c (pic_need_relax): Return true for section symbols.
gas/testsuite:
* gas/mips/elf-rel26.s: New test.
* gas/mips/elf-rel26.d: Ditto.
* gas/mips/mips.exp: Run it.
on error.
(find_arm_glue): Likewise.
(elf32_thumb_to_arm_stub, elf32_arm_create_thumb_stub)
(elf32_arm_to_thumb_stub, elf32_arm_final_link_relocate): Add
ERROR_MESSAGE argument and pass it through.
(elf32_arm_to_thumb_export_stub): Update.
(elf32_arm_relocate_section): Use ERROR_MESSAGE and reloc_dangerous.
