instructions.
(m68hc11_direct_relax): New to define table of relaxable instructions.
(find_relaxable_insn): New, find a relaxable insn.
(compare_reloc): New to compare two relocs.
(m68hc11_elf_relax_section): New, relax text sections.
(m68hc11_elf_relax_delete_bytes): New, delete bytes and adjust branchs.
(elf32_m68hc11_check_relocs): New function for GC support.
(elf32_m68hc11_relocate_section): New function for GC support.
(bfd_elf32_bfd_relax_section): Define to support linker relaxation.
(elf_backend_check_relocs): Likewise.
(elf_backend_relocate_section): Likewise.
* mips-tdep.c (mips_o32o64_push_arguments): New function,
cloned from mips_push_arguments, tuned for o32/o64 ABI.
(mips_gdbarch_init): Set gdbarch_push_arguments to new func.
* regcache.c (init_regcache_descr): Overallocate the
raw_register_valid_p array including space for NUM_PSEUDO_REGS.
(registers_changed): Replace NUM_REGS+NUM_PSEUDO_REGS with
num_raw_registers.
(set_register_cached): Add range checking assertions. Use
current_regcache.
* gas/m68hc11/insns12.s: New file to test specific 68HC12 insns.
* gas/m68hc11/insns12.d: New file.
* gas/m68hc11/branchs12.s: New test.
* gas/m68hc11/branchs12.d: New test.
* gas/m68hc11/all_insns.d: Dump the relocs to verify that they
are against symbols and not sections (for linker relaxation).
* gas/m68hc11/insns-dwarf2.d: Likewise.
* gas/m68hc11/insns.d: Likewise.
* gas/m68hc11/lbranch.d: Likewise.
* gas/m68hc11/lbranch-dwarf2.d: Likewise.
* gas/m68hc11/opers12.d: Likewise.
* gas/m68hc11/opers12-dwarf2.d: Likewise.
(TC_HANDLES_FX_DONE): Define to let md_apply_fix3 set fx_done flag
according to the reloc.
(tc_fix_adjustable, tc_m68hc11_fix_adjustable): Define.
(TC_FORCE_RELOCATION): Define.
(tc_m68hc11_force_relocation): Declare.
* config/tc-m68hc11.c (md_pseudo_table): Add relax command.
(s_m68hc11_relax): New function for relax group.
(build_insn, build_jump_insn): Emit a M68HC11_RL_JUMP reloc at
beginning of jump instruction.
(md_pcrel_from): Rename from md_pcrel_from_section and fix
address computation.
(tc-gen_reloc): Update.
(md_estimate_size_before_relax): Create the BFD_RELOC_16_PCREL as
PC-relative fixup.
(tc_m68hc11_force_relocation): New function, handle new relocs.
(tc_m68hc11_fix_adjustable): New to make sure there are enough
reloc for the linker relax pass.
(md_apply_fix3): Handle M68HC11_RL_JUMP, M68HC11_RL_GROUP
and VTABLE relocs.
(md_pseudo_table): Add .mode, .far and .interrupt pseudo op.
(s_m68hc11_mode): New function for .mode pseudo op.
(s_m68hc11_mark_symbol): New function for .far and .interrupt
pseudo op.
* config/tc-m68hc11.h (elf_tc_final_processing): Define.
(m68hc11_elf_final_processing): Declare.
page operand for call instruction.
(print_opcode_format): Likewise.
(check_range): Likewise for page range checking.
(get_operand): Don't skip a possible comma in operands.
(fixup8): Generate BFD_RELOC_M68HC11_PAGE reloc.
(fixup16): Likwise with BFD_RELOC_M68HC11_LO16.
(fixup24): New to handle call reloc.
(build_insn): Handle missing page operand for call instruction.
(find): Likewise.
(md_apply_fix3): Take into account new relocs.
(get_operand): Fix the mode for indexed indirect addressing.
(build_indexed_byte): Fix post index byte for indexed indirect mode.
(_bfd_m68hc11_elf_merge_private_bfd_data): New function.
(_bfd_m68hc11_elf_set_private_flags): New function.
Use them to set/check/print ELF flags specific to 68HC11.
* elf32-m68hc12.c (_bfd_m68hc12_elf_print_private_bfd_data): New.
(_bfd_m68hc12_elf_merge_private_bfd_data): New function.
(_bfd_m68hc12_elf_set_private_flags): New function.
Use them to set/check/print ELF flags specific to 68HC12.
fix masks for PC-rel relocs.
(m68hc11_elf_ignore_reloc): New function.
* elf32-m68hc12.c (m68hc12_elf_special_reloc): New to handle specific
68HC12 banked addressing relocs.
(m68hc12_phys_addr): New to compute physical address of banked memory.
(m68hc12_phys_page): Likewise for page.
(m68hc12_addr_is_banked): New to see if address is in banked area.
(elf_m68hc12_howto_table): Add new relocs and rename to xx12.
banks and fix disassembling of call instruction.
(print_indexed_operand): New param to tell whether
it was an indirect addressing operand (for disassembling call).
(M68HC12_HARD_PC_REGNUM): Define specific PC for 68HC12 (pseudo reg).
(m68hc11_pseudo_register_read): Compute the 68HC12 PC using the
real PC and the page number (if it's within the memory bank window).
(m68hc11_pseudo_register_write): Likewise when saving.
(m68hc11_register_name): Name the virtual pc 'pc' and the real one ppc.
(m68hc11_register_virtual_type): Return uint32 for virtual pc.
(m68hc11_register_raw_size): And use 32-bit for it.
(m68hc11_gdbarch_init): Use 32-bit address for 68HC12 if the
16K memory bank is used by the prog; also use the virtual pc.
(m68hc11_gdbarch_init): Install it in gdbarch.
(MSYMBOL_SET_RTC, MSYMBOL_SET_RTI): New to set symbol specific flags.
(MSYMBOL_IS_RTC, MSYMBOL_IS_RTI): New to test these flags.
(MSYMBOL_SIZE): New for documentation.
(insn_return_kind): Enum to specify how a function returns.
(frame_extra_info): Cleanup and record the return mode.
(gdbarch_tdep, USE_PAGE_REGISTER): New to control the use of page
register in address computation.
(m68hc11_get_return_insn): New to obtain the return instruction used
by the function.
(m68hc11_frame_init_saved_regs): Take into account the return
instruction used by the function for far and interrupt functions.
(m68hc11_init_extra_frame_info): Take into account page register.
(m68hc11_frame_args_address): Adjust according to the return mode.
(show_regs): Print page register only when it's used.
(M68HC11_LAST_HARD_REG, m68hc11_register_names): Update.
(m68hc11_register_virtual_type): Return a 8-bit type for 8-bit
registers.
(m68hc11_register_raw_size): Likewise.
* i386-tdep.c (i386_register_name): Handle mmx registers.
(mmx_regnum_p): New function.
(i386_mmx_names): New array.
(mmx_num_regs): New variable.
(i386_pseudo_register_read): New function.
(i386_pseudo_register_write): New function.
(mmx_regnum_to_fp_regnum): New function. Code from Fernando Nasser.
* regcache.c (regcache_raw_read_unsigned): New function.
(regcache_raw_read_signed): New function.
* regcache.h (regcache_raw_read_unsigned): Declare.
(regcache_raw_read_signed): Declare.
* objcopy.c (copy_object): Don't warn about the unsupported
architecture unless the input target is defaulted or the
output architecture is different from the input.
EF_M68HC11_ABI): Define for ABI specification.
(STO_M68HC12_FAR, STO_M68HC12_INTERRUPT): Symbol flags for
linker and debugger.
(R_M68HC11_24, R_M68HC11_LO16, R_M68HC11_PAGE): New relocs.
(R_M68HC11_RL_JUMP, R_M68HC11_RL_GROUP): New reloc for linker
relaxation.
bank window to some virtual address to read from extended memory.
(m68hc11cpu_io_write_buffer): Likewise for writing.
(attach_m68hc11_regs): When use_bank property is defined, attached
to the 68HC12 16K memory bank window.
* interp.c (sim_hw_configure): Create memory region for banked
memory.
* sim-main.h (M6812_CALL_INDIRECT): Add to enum.
(m6811_regs): Add page register.
(cpu_set_page, cpu_get_page): New macros.
(phys_to_virt): New function.
(cpu_get_indexed_operand_addr, cpu_return): Declare.
* gencode.c: Identify indirect addressing mode for call and fix daa.
(gen_function_entry): New param to tell if src8/dst8 locals are
necessary.
(gen_interpreter): Use it to avoid generation of unused variables.
* interp.c (sim_fetch_register): Allow to read page register; page
register, A, B and CCR are only 1 byte wide.
(sim_store_register): Likewise for writing.
H.J. Lu
Nick Clifton
Stephane Carrez
Michael Snyder
Andrew Cagney
Alan Modra
gdbadmin
Tom Tromey
Mark Kettenis
Kevin Buettner