1999-05-03 15:29:11 +08:00
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/* SH ELF support for BFD.
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2001-03-14 10:27:44 +08:00
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Copyright 1998, 2000 Free Software Foundation, Inc.
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1999-05-03 15:29:11 +08:00
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef _ELF_SH_H
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#define _ELF_SH_H
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bfd:
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.
2000-02-17 08:33:36 +08:00
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/* Processor specific flags for the ELF header e_flags field. */
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#define EF_SH_MACH_MASK 0x1f
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#define EF_SH_UNKNOWN 0 /* For backwards compatibility. */
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#define EF_SH1 1
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#define EF_SH2 2
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#define EF_SH3 3
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#define EF_SH_HAS_DSP(flags) ((flags) & 4)
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#define EF_SH_DSP 4
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#define EF_SH3_DSP 5
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#define EF_SH_HAS_FP(flags) ((flags) & 8)
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#define EF_SH3E 8
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#define EF_SH4 9
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#define EF_SH_MERGE_MACH(mach1, mach2) \
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(((((mach1) == EF_SH3 || (mach1) == EF_SH_UNKNOWN) && (mach2) == EF_SH_DSP) \
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|| ((mach1) == EF_SH_DSP \
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&& ((mach2) == EF_SH3 || (mach2) == EF_SH_UNKNOWN))) \
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? EF_SH3_DSP \
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: (((mach1) < EF_SH3 && (mach2) == EF_SH_UNKNOWN) \
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|| ((mach2) < EF_SH3 && (mach1) == EF_SH_UNKNOWN)) \
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? EF_SH3 \
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: (((mach1) == EF_SH3E && (mach2) == EF_SH_UNKNOWN) \
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|| ((mach2) == EF_SH3E && (mach1) == EF_SH_UNKNOWN)) \
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? EF_SH4 \
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: ((mach1) > (mach2) ? (mach1) : (mach2)))
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1999-05-03 15:29:11 +08:00
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#include "elf/reloc-macros.h"
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/* Relocations. */
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/* Relocations 25ff are GNU extensions.
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25..33 are used for relaxation and use the same constants as COFF uses. */
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START_RELOC_NUMBERS (elf_sh_reloc_type)
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RELOC_NUMBER (R_SH_NONE, 0)
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RELOC_NUMBER (R_SH_DIR32, 1)
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RELOC_NUMBER (R_SH_REL32, 2)
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RELOC_NUMBER (R_SH_DIR8WPN, 3)
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RELOC_NUMBER (R_SH_IND12W, 4)
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RELOC_NUMBER (R_SH_DIR8WPL, 5)
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RELOC_NUMBER (R_SH_DIR8WPZ, 6)
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RELOC_NUMBER (R_SH_DIR8BP, 7)
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RELOC_NUMBER (R_SH_DIR8W, 8)
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RELOC_NUMBER (R_SH_DIR8L, 9)
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2000-09-14 12:56:55 +08:00
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FAKE_RELOC (R_SH_FIRST_INVALID_RELOC, 10)
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1999-05-03 15:29:11 +08:00
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FAKE_RELOC (R_SH_LAST_INVALID_RELOC, 24)
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RELOC_NUMBER (R_SH_SWITCH16, 25)
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RELOC_NUMBER (R_SH_SWITCH32, 26)
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RELOC_NUMBER (R_SH_USES, 27)
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RELOC_NUMBER (R_SH_COUNT, 28)
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RELOC_NUMBER (R_SH_ALIGN, 29)
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RELOC_NUMBER (R_SH_CODE, 30)
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RELOC_NUMBER (R_SH_DATA, 31)
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RELOC_NUMBER (R_SH_LABEL, 32)
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RELOC_NUMBER (R_SH_SWITCH8, 33)
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RELOC_NUMBER (R_SH_GNU_VTINHERIT, 34)
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RELOC_NUMBER (R_SH_GNU_VTENTRY, 35)
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sh-dsp REPEAT support:
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.
2000-04-06 05:23:05 +08:00
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RELOC_NUMBER (R_SH_LOOP_START, 36)
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RELOC_NUMBER (R_SH_LOOP_END, 37)
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2000-09-14 12:56:55 +08:00
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FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 38)
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FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 159)
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RELOC_NUMBER (R_SH_GOT32, 160)
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RELOC_NUMBER (R_SH_PLT32, 161)
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RELOC_NUMBER (R_SH_COPY, 162)
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RELOC_NUMBER (R_SH_GLOB_DAT, 163)
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RELOC_NUMBER (R_SH_JMP_SLOT, 164)
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RELOC_NUMBER (R_SH_RELATIVE, 165)
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RELOC_NUMBER (R_SH_GOTOFF, 166)
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RELOC_NUMBER (R_SH_GOTPC, 167)
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2000-06-07 11:43:33 +08:00
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END_RELOC_NUMBERS (R_SH_max)
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1999-05-03 15:29:11 +08:00
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#endif
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