binutils-gdb/include/elf/sh.h

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