jump>: Use as_bad_where instead of as_bad. Tweak error message
accordingly. Stabilize frag by updating fix part and resetting
variant part.
<undefined symbol, unconditional jump>: Ditto.
* config/tc-sh.c (md_apply_fix): Map 32-bit relocations that
become PC-relative to BFD_RELOC_32_PCREL. Reject 16- or 8-bit
similar relocs.
(sh_obj_adjustable): Return 1 for PC-relative offsets used in
branches.
* config/tc-sh.h (DIFF_EXPR_OK, GLOBAL_OFFSET_TABLE_NAME,
TC_RELOC_GLOBAL_OFFSET_TABLE, TC_RELOC_RTSYM_LOC_FIXUP): Define.
* config/tc-sh.c (sh_elf_cons, sh_elf_suffix): New functions.
[OBJ_ELF] (md_pseudo_table) <long, int, word, short>: Use them.
(GOT_symbol): New variable.
(md_undefined_symbol): Set it.
* sh-opc.c (sh_table): Use A_DISP_PC / PCRELIMM_8BY2 for ldre & ldrs.
stc GBR,@-<REG_N> is available for arch_sh1_up.
Group parallel processing insn with identical mnemonics together.
Make three-operand psha / pshl come first.
gas:
* config/tc-sh.c (get_operands): There's no third operand if the
first operand is an immediate.
opcodes:
* sh-opc.h (sh_nibble_type): Remove DISP_8 and DISP_4.
Split IMM_[48]{,BY[24]} into IMM[01]_[48]{,BY[24]}. Add REPEAT.
(sh_arg_type): Add A_PC.
(sh_table): Update entries using immediates. Add repeat.
* sh-dis.c (print_insn_shx): Remove DISP_8 and DISP_4.
Split IMM_[48]{,BY[24]} into IMM[01]_[48]{,BY[24]}. Add REPEAT.
gas:
* config/tc-sh.c (immediate): Delete.
(sh_operand_info): Add immediate member.
(parse_reg): Use A_PC for pc.
(parse_exp): Add second argument 'op'. All callers changed.
(parse_at): Expect pc to be coded as A_PC.
Use immediate field in *op.
(insert): Add fourth argument 'op'. All callers changed.
(build_relax): Add second argument 'op'. All callers changed.
(insert_loop_bounds): New function.
(build_Mytes): Remove DISP_4.
Split IMM_[48]{,BY[24]} into IMM[01]_[48]{,BY[24]}. Add REPEAT.
(assemble_ppi): Use immediate field in *operand.
(sh_force_relocation): Handle BFD_RELOC_SH_LOOP_{START,END}.
(md_apply_fix): Likewise.
(tc_gen_reloc): Likewise. Check for a pcrel BFD_RELOC_SH_LABEL.
include/coff:
* sh.h (R_SH_LOOP_START, R_SH_LOOP_END): Define.
include/elf:
* sh.h (R_SH_LOOP_START, R_SH_LOOP_END): New RELOC_NUMBERs.
bfd:
* reloc.c (_bfd_relocate_contents): Add BFD_RELOC_SH_LOOP_START and
BFD_RELOC_SH_LOOP_END.
* elf32-sh.c (sh_elf_howto_tab): Change special_func to
sh_elf_ignore_reloc for all entries that sh_elf_reloc used to ignore.
Add entries for R_SH_LOOP_START and R_SH_LOOP_END.
(sh_elf_reloc_loop): New function.
(sh_elf_reloc): No need to test for always-to-be-ignored relocs
any more.
(sh_rel): Add entries for BFD_RELOC_SH_LOOP_{START,END}.
(sh_elf_relocate_section): Handle BFD_RELOC_SH_LOOP_{START,END}.
* bfd-in2.h, libbfd.h: Regenerate.
not supported by the current arch, only change the name if
its contents are the same as prev_name.
(get_specific): If the the architecture doesn't match, fail.
Reinstate bits of sh4 support that got accidentally deleted.
Add sh-dsp support.
bfd:
* archures.c (bfd_mach_sh2, bfd_mach_sh_dsp): New macros.
(bfd_mach_sh3_dsp): Likewise.
(bfd_mach_sh4): Reinstate.
(bfd_default_scan): Recognize 7410, 7708, 7729 and 7750.
* bfd-in2.h: Regenerate.
* coff-sh.c (struct sh_opcode): flags is no longer short.
(USESAS, USESAS_REG, USESR8, SETSAS, SETSAS_REG): New macros.
(sh_opcode41, sh_opcode42): Integrate as sh_opcode41.
(sh_opcode01, sh_opcode02, sh_opcode40): Add sh-dsp opcodes.
(sh_opcode41, sh_opcode4, sh_opcode80): Likewise.
(sh_opcodes): No longer const.
(sh_dsp_opcodef0, sh_dsp_opcodef): New arrays.
(sh_insn_uses_reg): Check for USESAS and USESR8.
(sh_insn_sets_reg, sh_insns_conflict): Check for SETSAS.
(_bfd_sh_align_load_span): Return early for SH4.
Modify sh_opcodes lookup table for sh-dsp / sh3-dsp.
Take into account that field b of a parallel processing insn
could be mistaken for a separate insn.
* cpu-sh.c (arch_info_struct): New array elements for
sh2, sh-dsp and sh3-dsp.
Reinstate element for sh4.
(SH2_NEXT, SH_DSP_NEXT, SH3_DSP_NEXT): New macros.
(SH4_NEXT): Reinstate.
(SH3_NEXT, SH3E_NEXT): Adjust.
* elf-bfd.h (_sh_elf_set_mach_from_flags): Declare.
* elf32-sh.c (sh_elf_set_private_flags): New function.
(sh_elf_copy_private_data, sh_elf_set_mach_from_flags): Likewise.
(sh_elf_merge_private_data): New function.
(elf_backend_object_p, bfd_elf32_bfd_set_private_bfd_flags): Define.
(bfd_elf32_bfd_copy_private_bfd_data): Define.
(bfd_elf32_bfd_merge_private_bfd_data): Change to
sh_elf_merge_private_data.
gas:
* config/tc-sh.c ("elf/sh.h"): Include.
(sh_dsp, valid_arch, reg_x, reg_y, reg_efg): New static variables.
(md.begin): Initialize target_arch.
Only include opcodes in has table that match selected architecture.
(parse_reg): Recognize register names for sh-dsp.
(parse_at): Recognize post-modify addressing.
(get_operands): The leading space is now optional.
(get_specific): Remove FDREG_N support. Add support for sh-dsp
arguments. Update valid_arch.
(build_Mytes): Add support for SDT_REG_N.
(find_cooked_opcode): New function, broken out of md_assemble.
(assemble_ppi, sh_elf_final_processing): New functions.
(md_assemble): Use find_cooked_opcode and assemble_ppi.
(md_longopts, md_parse_option): New option: -dsp.
* config/tc-sh.h (elf_tc_final_processing): Define.
(sh_elf_final_processing): Declare.
include/elf:
* sh.h: (EF_SH_MACH_MASK, EF_SH_UNKNOWN, EF_SH1, EF_SH2): New macros.
(EF_SH3, EF_SH_HAS_DSP, EF_SH_DSP, EF_SH3_DSP): Likewise.
(EF_SH_HAS_FP, EF_SH3E, EF_SH4, EF_SH_MERGE_MACH): Likewise.
opcodes:
* sh-dis.c (print_movxy, print_insn_ddt, print_dsp_reg): New functions.
(print_insn_ppi): Likewise.
(print_insn_shx): Use info->mach to select appropriate insn set.
Add support for sh-dsp. Remove FD_REG_N support.
* sh-opc.h (sh_nibble_type): Add new values for sh-dsp support.
(sh_arg_type): Likewise. Remove FD_REG_N.
(sh_dsp_reg_nums): New enum.
(arch_sh1, arch_sh2, arch_sh3, arch_sh3e, arch_sh4): New macros.
(arch_sh_dsp, arch_sh3_dsp, arch_sh1_up, arch_sh2_up): Likewise.
(arch_sh3_up, arch_sh3e_up, arch_sh4_up, arch_sh_dsp_up): Likewise.
(arch_sh3_dsp_up): Likewise.
(sh_opcode_info): New field: arch.
(sh_table): Split up insn with FD_REG_N into ones with F_REG_N and
D_REG_N. Fill in arch field. Add sh-dsp insns.
Nick Clifton