* stack.c (print_frame_args, frame_info, return_command): Use
get_regcache_arch or get_frame_arch to get at the current architecture
by regcache or by frame, respectively.
* rs6000-nat.c (fetch_register, store_register)
(rs6000_fetch_inferior_registers, rs6000_store_inferior_registers): Use
get_regcache_arch to get at the current architecture by regcache.
* rs6000-tdep.c (rs6000_push_dummy_call, rs6000_return_value)
(rs6000_register_reggroup_p, e500_move_ev_registe, rs6000_unwind_pc)
(rs6000_unwind_dummy_id, rs6000_frame_cache, rs6000_dump_tdep): Replace
current_gdbarch by gdbarch.
(rs6000_skip_trampoline_code, rs6000_register_to_value)
(rs6000_value_to_register): Use get_frame_arch to get at the current
architecture by frame_info.
* sparc-tdep.c (sparc_supply_rwindow, sparc_collect_rwindow): Use
get_regcache_arch to get at the current architecture by regcache.
* sparc64-tdep.c (sparc64_supply_gregset, sparc64_collect_gregset)
(sparc64_supply_fpregset, sparc64_collect_fpregset): Use
get_regcache_arch to get at the current architecture by regcache.
* sparc64nbsd-nat. (sparc64nbsd_supply_gregset)
(sparc64nbsd_collect_gregset, sparc64nbsd_supply_fpregset)
(sparc64nbsd_collect_fpregset): Use get_regcache_arch to get at the
current architecture by regcache.
* remote-mips.c (mips_wait, mips_fetch_registers)
(mips_store_registers): Use get_regcache_arch to get at the
current architecture by regcache.
* mipsnbsd-tdep.c (mipsnbsd_supply_reg, mipsnbsd_fill_reg)
(mipsnbsd_supply_fpreg, mipsnbsd_fill_fpreg): Use get_regcache_arch to
get at the current architecture by regcache.
(mipsnbsd_sigtramp_offset): Use get_frame_arch to get at the current
architecture by frame_info.
* mipsnbsd-nat.c (mipsnbsd_fetch_inferior_registers)
(mipsnbsd_store_inferior_registers): Use get_regcache_arch to get at
the current architecture by regcache.
* mips-linux-tdep.c (mips_linux_get_longjmp_target)
(mips64_linux_get_longjmp_target, mips_linux_o32_sigframe_init)
(mips_linux_n32n64_sigframe_init): Use get_frame_arch to get at the
current architecture by frame_info.
(supply_32bit_reg, mips_supply_gregset, mips_fill_gregset)
(mips_supply_fpregset, mips_fill_fpregset, supply_64bit_reg)
(mips64_supply_gregset, mips64_fill_gregset, mips64_supply_fpregset)
(mips64_fill_fpregset, mips_linux_write_pc): Use get_regcache_arch to
get at the current architecture by regcache.
* mips-linux-nat.c (mips_linux_register_addr)
(mips64_linux_register_addr): Replace current_gdbarch by gdbarch.
(supply_gregset, fill_gregset, supply_fpregset, fill_fpregset)
(mips64_linux_regsets_fetch_registers)
(mips64_linux_regsets_store_registers): Use get_regcache_arch to get at
the current architecture by regcache.
* mips64obsd-tdep.c (mips64obsd_sigframe_init): Use get_frame_arch to
get at the current architecture by frame_info.
* mips-tdep.c (mips_xfer_register): Use get_regcache_arch to get at the
current architecture by regcache.
(mips2_fp_compat, mips32_next_pc, mips16_scan_prologue)
(mips_insn16_frame_cache, mips32_scan_prologue, mips_insn32_frame_cache)
(mips_stub_frame_cache, mips_read_fp_register_single)
(mips_read_fp_register_double, mips_print_fp_register)
(mips_print_register, print_gp_register_row): Use get_frame_arch to get
at the current architecture by frame_info.
(mips_register_reggroup_p, mips_pseudo_register_read, mips_unwind_sp)
(mips_pseudo_register_write, mips_register_type, mips_unwind_pc)
(mips_unwind_dummy_id, mips_eabi_push_dummy_call)
(mips_n32n64_push_dummy_call, mips_n32n64_return_value)
(mips_o32_push_dummy_call, mips_o32_return_value)
(mips_o64_push_dummy_call, mips_o64_return_value)
(mips_print_registers_info, mips_dump_tdep): Replace current_gdbarch by
gdbarch.
* xtensa-tdep.c (xtensa_register_type, xtensa_pseudo_register_read)
(xtensa_pseudo_register_write, xtensa_register_reggroup_p)
(xtensa_unwind_pc, xtensa_unwind_dummy_id, xtensa_push_dummy_call)
(xtensa_dump_tdep): Replace current_gdbarch by gdbarch.
(xtensa_register_write_masked, xtensa_register_read_masked)
(xtensa_supply_gregset, xtensa_store_return_value)
(xtensa_extract_return_value): Use get_regcache_arch to get at the
current architecture by regcache.
(xtensa_frame_cache, call0_frame_get_reg_at_entry, call0_frame_cache)
(xtensa_frame_prev_register): Use get_frame_arch to get at the current
architecture by frame_info.
(thumb_analyze_prologue): Move pv_area_store_would_trash call
out of loop. Do not set cache->frameoffset.
(arm_scan_prologue): Use prologue-value mechanism. Do not set
frameoffset. Simplify framesize.
(arm_make_prologue_cache, arm_normal_frame_base): Do not use
frameoffset.
* arm-tdep.h (enum gdb_regnum): Add ARM_IP_REGNUM.
* h8300-tdep.c (h8300_frame_cache): Use get_frame_arch to get at
the current architecture by frame_info.
(h8300_frame_prev_register
(h8300_print_register): Replace current_gdbarch by gdbarch.
(h8300_print_registers_info, h8300_register_type)
(h8300_register_type): Likewise.
* i386-linux-nat.c (fetch_register): Use get_regcache_arch to get at
the current architecture by regcache.
(store_register, supply_gregset, fill_gregset, i386_linux_resume)
(i386_linux_fetch_inferior_registers)
(i386_linux_store_inferior_registers): Likewise.
* i386gnu-nat.c (gnu_fetch_registers, gnu_store_registers): Likewise.
* i386-nto-tdep.c (i386nto_supply_gregset): Likewise.
* i386v4-nat.c (supply_fpregset, fill_fpregset): Likewise.
* i386-tdep.c (i386_unwind_pc): Replace current_gdbarch by gdbarch.
(i386_extract_return_value, i386_store_return_value): Likewise.
* i386-tdep.c (i386_frame_prev_register): Use get_frame_arch to get at
the current architecture by frame_info.
(i386_sigtramp_frame_cache, i386_get_longjmp_target)
(i386_register_to_value, i386_value_to_register): Likewise.
* monitor.c (monitor_supply_register): Use get_regcache_arch to get at
the current architecture by regcache.
(monitor_store_register, monitor_store_registers): Likewise.
* frame.c (frame_pc_unwind): Use get_frame_arch to get at the current
architecture by frame.
(frame_save_as_regcache, frame_register_unwind, get_prev_frame_1)
(inside_main_func, frame_sp_unwind): Likewise.
* gdb.base/whatis.c (v_long_long, v_signed_long_long)
(v_unsigned_long_long, v_long_long_array)
(v_signed_long_long_array, v_unsigned_long_long_array)
(slong_long_addr, a_slong_long_addr, v_long_long_pointer)
(v_signed_long_long_pointer, v_unsigned_long_long_pointer)
[!NO_LONG_LONG]: New.
(t_struct, v_struct2, t_union, v_union2) [!NO_LONG_LONG]: Add
v_long_long_member.
(v_long_long_func, v_signed_long_long_func)
(v_unsigned_long_long_func) [!NO_LONG_LONG]: New.
(main) [!NO_LONG_LONG]: Initialize long long variants.
* gdb.base/whatis.exp: If board file requests no_long_long, build
test with NO_LONG_LONG defined. Test long long, signed long long,
and unsigned long long variants but only if board file doesn't
disable it.
* stabsread.c (read_huge_number): Fix handling of octal
representation when the bit width is known.
(read_range_type): Record unsigned integral types with their size,
when the type size is known.
* opcodes/mips-dis.c (mips_cp0_names_r3000): New definition.
(mips_cp0_names_r4000): Likewise.
(mips_arch_choices): Link to the above as appropriate.
gas/testsuite/:
* gas/mips/cp0-names-r3000.d: New test for R3000 CP0 symbolic
disassembly.
* gas/mips/cp0-names-r4000.d: New test for R4000/R4400 symbolic
CP0 disassembly.
* mips/mips.exp: Run the new tests.
* config/tc-mips.c (AT): Rename to...
(ATREG): ... this.
(AT): New definition.
(mips_set_options): Rename "noat" to "at"; change the type.
(mips_opts): Update accordingly.
(append_insn): Likewise.
(macro_build_ldst_constoffset): Likewise.
(load_address): Likewise.
(macro, macro2): Likewise.
(s_mipsset): Handle ".set at=REG". Update handling of ".set at"
and ".set noat".
gas/testsuite/:
* gas/mips/at-1.d, gas/mips/at-2.l: New tests to check the ".set
at=REG" directive.
* gas/mips/at-1.s, gas/mips/at-2.s: Sources for the new tests.
* gas/mips/mips.exp: Run the new tests.
