1999-05-03 15:29:11 +08:00
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/* ARM ELF support for BFD.
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2005-03-03 19:58:10 +08:00
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Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004
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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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2005-05-10 18:21:13 +08:00
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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1999-05-03 15:29:11 +08:00
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#ifndef _ELF_ARM_H
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#define _ELF_ARM_H
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#include "elf/reloc-macros.h"
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/* Processor specific flags for the ELF header e_flags field. */
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#define EF_ARM_RELEXEC 0x01
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#define EF_ARM_HASENTRY 0x02
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2001-02-28 18:11:36 +08:00
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#define EF_ARM_INTERWORK 0x04
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#define EF_ARM_APCS_26 0x08
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#define EF_ARM_APCS_FLOAT 0x10
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#define EF_ARM_PIC 0x20
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#define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use. */
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#define EF_ARM_NEW_ABI 0x80
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#define EF_ARM_OLD_ABI 0x100
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#define EF_ARM_SOFT_FLOAT 0x200
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2002-01-16 19:35:18 +08:00
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#define EF_ARM_VFP_FLOAT 0x400
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2003-02-10 18:44:48 +08:00
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#define EF_ARM_MAVERICK_FLOAT 0x800
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2001-02-28 18:11:36 +08:00
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2005-03-19 01:06:16 +08:00
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/* Frame unwind information */
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include/elf:
* arm.h: Import complete list of official relocation names
and numbers from AAELF. Define FAKE_RELOCs for old names.
Remove a few old names no longer used anywhere.
bfd:
* elf32-arm.c: Wherever possible, use official reloc names
from AAELF.
(elf32_arm_howto_table, elf32_arm_tls_gd32_howto)
(elf32_arm_tls_ldo32_howto, elf32_arm_tls_ldm32_howto)
(elf32_arm_tls_le32_howto, elf32_arm_tls_ie32_howto)
(elf32_arm_vtinherit_howto, elf32_arm_vtentry_howto)
(elf32_arm_pc11_howto, elf32_arm_thm_pc9_howto, elf32_arm_got_prel)
(elf32_arm_r_howto): Replace with elf32_arm_howto_table_1,
elf32_arm_howto_table_2, and elf32_arm_howto_table_3.
Add many new relocations from AAELF.
(elf32_arm_howto_from_type): Update to match.
(elf32_arm_reloc_map): Add entries for R_ARM_THM_JUMP24,
R_ARM_THM_JUMP11, R_ARM_THM_JUMP19, R_ARM_THM_JUMP8,
R_ARM_THM_JUMP6, R_ARM_GNU_VTINHERIT, and R_ARM_GNU_VTENTRY.
(elf32_arm_reloc_type_lookup): Use elf32_arm_howto_from_type.
(elf32_arm_final_link_relocate): Add support for
R_ARM_THM_JUMP24, R_ARM_THM_JUMP19, R_ARM_THM_JUMP6. Remove
case entries redundant with default.
* reloc.c: Reorganize ARM relocations. Add Thumb
assembler-internal relocations BFD_RELOC_ARM_T32_OFFSET_U8,
BFD_RELOC_ARM_T32_OFFSET_IMM, BFD_RELOC_ARM_T32_IMMEDIATE.
Add visible relocations BFD_RELOC_THUMB_PCREL_BRANCH7,
BFD_RELOC_THUMB_BRANCH20, BFD_RELOC_THUMB_BRANCH25.
Delete unused relocations BFD_RELOC_ARM_GOT12, BFD_RELOC_ARM_COPY.
* bfd-in2.h, libbfd.h: Regenerate.
opcodes:
* arm-dis.c (thumb_opcodes): Add disassembly for V6T2 16-bit
instructions. Adjust disassembly of some opcodes to match
unified syntax.
(thumb32_opcodes): New table.
(print_insn_thumb): Rename print_insn_thumb16; don't handle
two-halfword branches here.
(print_insn_thumb32): New function.
(print_insn): Choose among print_insn_arm, print_insn_thumb16,
and print_insn_thumb32. Be consistent about order of
halfwords when printing 32-bit instructions.
gas:
* hash.c (hash_lookup): Add len parameter. All callers changed.
(hash_find_n): New interface.
* hash.h: Prototype hash_find_n.
* sb.c: Include as.h.
(scrub_from_sb, sb_to_scrub, scrub_position): New statics.
(sb_scrub_and_add_sb): New interface.
* sb.h: Prototype sb_scrub_and_add_sb.
* input-scrub.c (input_scrub_include_sb): Use sb_scrub_and_add_sb.
* config/tc-arm.h (TC_FORCE_RELOCATION_LOCAL): Remove
reference to BFD_RELOC_ARM_GOT12 which is never generated.
* config/tc-arm.c: Rewrite, adding Thumb-2 support.
gas/testsuite:
* gas/arm/arm.exp: Convert all existing "gas_test" tests to
"run_dump_test" tests. Run more tests unconditionally. Run new tests.
* gas/arm/arch4t.s, gas/arm/arch6zk.s, gas/arm/arm3.s, gas/arm/arm6.s
* gas/arm/arm7dm.s, gas/arm/bignum1.s, gas/arm/float.s
* gas/arm/immed.s, gas/arm/iwmmxt.s, gas/arm/offset.s, gas/arm/thumb.s:
Adjust to work as a dump test.
* gas/arm/arch4t.d, gas/arm/arch6zk.d, gas/arm/arm3.d, gas/arm/arm6.d
* gas/arm/arm7dm.d, gas/arm/bignum1.d, gas/arm/float.d
* gas/arm/immed.d, gas/arm/iwmmxt.d, gas/arm/offset.d, gas/arm/thumb.d:
New files.
* gas/arm/armv1-bad.l, gas/arm/armv1-bad.s: Remove tests for
diagnostics that don't happen in the first pass anymore.
* gas/arm/iwmmxt-bad.l, gas/arm/r15-bad.l, gas/arm/req.l
* gas/arm/vfp-bad.l:
Update expected diagnostics.
* gas/arm/pic.d: Update expected reloc name.
* gas/arm/thumbv6.d: CPY no longer appears in disassembly.
* gas/arm/r15-bad.s: Avoid two-argument mul.
* gas/arm/req.s: Adjust comments.
* gas/arm/maverick.d, gas/arm/maverick.s: Avoid inappropriate
use of PC.
* gas/arm/macro-1.d, gas/arm/macro1.s
* gas/arm/t16-bad.l, gas/arm/t16-bad.s
* gas/arm/tcompat.d, gas/arm/tcompat.s
* gas/arm/tcompat2.d, gas/arm/tcompat2.s
* gas/arm/thumb32.d, gas/arm/thumb32.s
New test pair.
ld/testsuite:
* ld-arm/mixed-app.d: Adjust expected disassembly a little.
2005-05-18 13:40:12 +08:00
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#define PT_ARM_EXIDX (PT_LOPROC + 1)
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2005-03-19 01:06:16 +08:00
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2001-02-28 18:11:36 +08:00
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/* Other constants defined in the ARM ELF spec. version B-01. */
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2000-04-07 07:18:18 +08:00
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#define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK */
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2001-02-28 18:11:36 +08:00
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#define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26 */
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#define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT */
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2000-04-07 07:18:18 +08:00
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#define EF_ARM_EABIMASK 0xFF000000
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2004-03-24 07:05:52 +08:00
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/* Constants defined in AAELF. */
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#define EF_ARM_BE8 0x00800000
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#define EF_ARM_LE8 0x00400000
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2000-04-07 07:18:18 +08:00
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#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK)
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#define EF_ARM_EABI_UNKNOWN 0x00000000
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#define EF_ARM_EABI_VER1 0x01000000
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2001-02-28 18:11:36 +08:00
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#define EF_ARM_EABI_VER2 0x02000000
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2004-03-24 07:05:52 +08:00
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#define EF_ARM_EABI_VER3 0x03000000
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2004-10-12 22:17:08 +08:00
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#define EF_ARM_EABI_VER4 0x04000000
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2000-04-07 07:18:18 +08:00
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1999-05-03 15:29:11 +08:00
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/* Local aliases for some flags to match names used by COFF port. */
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2001-02-28 18:11:36 +08:00
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#define F_INTERWORK EF_ARM_INTERWORK
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#define F_APCS26 EF_ARM_APCS_26
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#define F_APCS_FLOAT EF_ARM_APCS_FLOAT
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#define F_PIC EF_ARM_PIC
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#define F_SOFT_FLOAT EF_ARM_SOFT_FLOAT
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2002-01-16 19:35:18 +08:00
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#define F_VFP_FLOAT EF_ARM_VFP_FLOAT
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1999-05-03 15:29:11 +08:00
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2000-01-28 04:05:32 +08:00
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/* Additional symbol types for Thumb. */
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#define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */
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#define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */
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1999-05-03 15:29:11 +08:00
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2004-10-01 20:59:42 +08:00
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/* Additional section types. */
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#define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */
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2005-09-09 21:06:21 +08:00
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#define SHT_ARM_PREEMPTMAP 0x70000002 /* Section pre-emption details. */
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#define SHT_ARM_ATTRIBUTES 0x70000003 /* Section holds attributes. */
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2004-10-01 20:59:42 +08:00
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2000-01-28 04:05:32 +08:00
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/* ARM-specific values for sh_flags. */
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#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */
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#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */
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1999-05-03 15:29:11 +08:00
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2000-01-28 04:05:32 +08:00
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/* ARM-specific program header flags. */
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#define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */
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2000-04-07 07:18:18 +08:00
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#define PF_ARM_PI 0x20000000 /* Segment is position-independent. */
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#define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */
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1999-05-03 15:29:11 +08:00
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/* Relocation types. */
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2000-04-08 08:09:26 +08:00
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1999-05-03 15:29:11 +08:00
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START_RELOC_NUMBERS (elf_arm_reloc_type)
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include/elf:
* arm.h: Import complete list of official relocation names
and numbers from AAELF. Define FAKE_RELOCs for old names.
Remove a few old names no longer used anywhere.
bfd:
* elf32-arm.c: Wherever possible, use official reloc names
from AAELF.
(elf32_arm_howto_table, elf32_arm_tls_gd32_howto)
(elf32_arm_tls_ldo32_howto, elf32_arm_tls_ldm32_howto)
(elf32_arm_tls_le32_howto, elf32_arm_tls_ie32_howto)
(elf32_arm_vtinherit_howto, elf32_arm_vtentry_howto)
(elf32_arm_pc11_howto, elf32_arm_thm_pc9_howto, elf32_arm_got_prel)
(elf32_arm_r_howto): Replace with elf32_arm_howto_table_1,
elf32_arm_howto_table_2, and elf32_arm_howto_table_3.
Add many new relocations from AAELF.
(elf32_arm_howto_from_type): Update to match.
(elf32_arm_reloc_map): Add entries for R_ARM_THM_JUMP24,
R_ARM_THM_JUMP11, R_ARM_THM_JUMP19, R_ARM_THM_JUMP8,
R_ARM_THM_JUMP6, R_ARM_GNU_VTINHERIT, and R_ARM_GNU_VTENTRY.
(elf32_arm_reloc_type_lookup): Use elf32_arm_howto_from_type.
(elf32_arm_final_link_relocate): Add support for
R_ARM_THM_JUMP24, R_ARM_THM_JUMP19, R_ARM_THM_JUMP6. Remove
case entries redundant with default.
* reloc.c: Reorganize ARM relocations. Add Thumb
assembler-internal relocations BFD_RELOC_ARM_T32_OFFSET_U8,
BFD_RELOC_ARM_T32_OFFSET_IMM, BFD_RELOC_ARM_T32_IMMEDIATE.
Add visible relocations BFD_RELOC_THUMB_PCREL_BRANCH7,
BFD_RELOC_THUMB_BRANCH20, BFD_RELOC_THUMB_BRANCH25.
Delete unused relocations BFD_RELOC_ARM_GOT12, BFD_RELOC_ARM_COPY.
* bfd-in2.h, libbfd.h: Regenerate.
opcodes:
* arm-dis.c (thumb_opcodes): Add disassembly for V6T2 16-bit
instructions. Adjust disassembly of some opcodes to match
unified syntax.
(thumb32_opcodes): New table.
(print_insn_thumb): Rename print_insn_thumb16; don't handle
two-halfword branches here.
(print_insn_thumb32): New function.
(print_insn): Choose among print_insn_arm, print_insn_thumb16,
and print_insn_thumb32. Be consistent about order of
halfwords when printing 32-bit instructions.
gas:
* hash.c (hash_lookup): Add len parameter. All callers changed.
(hash_find_n): New interface.
* hash.h: Prototype hash_find_n.
* sb.c: Include as.h.
(scrub_from_sb, sb_to_scrub, scrub_position): New statics.
(sb_scrub_and_add_sb): New interface.
* sb.h: Prototype sb_scrub_and_add_sb.
* input-scrub.c (input_scrub_include_sb): Use sb_scrub_and_add_sb.
* config/tc-arm.h (TC_FORCE_RELOCATION_LOCAL): Remove
reference to BFD_RELOC_ARM_GOT12 which is never generated.
* config/tc-arm.c: Rewrite, adding Thumb-2 support.
gas/testsuite:
* gas/arm/arm.exp: Convert all existing "gas_test" tests to
"run_dump_test" tests. Run more tests unconditionally. Run new tests.
* gas/arm/arch4t.s, gas/arm/arch6zk.s, gas/arm/arm3.s, gas/arm/arm6.s
* gas/arm/arm7dm.s, gas/arm/bignum1.s, gas/arm/float.s
* gas/arm/immed.s, gas/arm/iwmmxt.s, gas/arm/offset.s, gas/arm/thumb.s:
Adjust to work as a dump test.
* gas/arm/arch4t.d, gas/arm/arch6zk.d, gas/arm/arm3.d, gas/arm/arm6.d
* gas/arm/arm7dm.d, gas/arm/bignum1.d, gas/arm/float.d
* gas/arm/immed.d, gas/arm/iwmmxt.d, gas/arm/offset.d, gas/arm/thumb.d:
New files.
* gas/arm/armv1-bad.l, gas/arm/armv1-bad.s: Remove tests for
diagnostics that don't happen in the first pass anymore.
* gas/arm/iwmmxt-bad.l, gas/arm/r15-bad.l, gas/arm/req.l
* gas/arm/vfp-bad.l:
Update expected diagnostics.
* gas/arm/pic.d: Update expected reloc name.
* gas/arm/thumbv6.d: CPY no longer appears in disassembly.
* gas/arm/r15-bad.s: Avoid two-argument mul.
* gas/arm/req.s: Adjust comments.
* gas/arm/maverick.d, gas/arm/maverick.s: Avoid inappropriate
use of PC.
* gas/arm/macro-1.d, gas/arm/macro1.s
* gas/arm/t16-bad.l, gas/arm/t16-bad.s
* gas/arm/tcompat.d, gas/arm/tcompat.s
* gas/arm/tcompat2.d, gas/arm/tcompat2.s
* gas/arm/thumb32.d, gas/arm/thumb32.s
New test pair.
ld/testsuite:
* ld-arm/mixed-app.d: Adjust expected disassembly a little.
2005-05-18 13:40:12 +08:00
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/* AAELF official names and numbers. */
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RELOC_NUMBER (R_ARM_NONE, 0)
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RELOC_NUMBER (R_ARM_PC24, 1) /* deprecated */
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RELOC_NUMBER (R_ARM_ABS32, 2)
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RELOC_NUMBER (R_ARM_REL32, 3)
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RELOC_NUMBER (R_ARM_LDR_PC_G0, 4)
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RELOC_NUMBER (R_ARM_ABS16, 5)
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RELOC_NUMBER (R_ARM_ABS12, 6)
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RELOC_NUMBER (R_ARM_THM_ABS5, 7)
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RELOC_NUMBER (R_ARM_ABS8, 8)
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RELOC_NUMBER (R_ARM_SBREL32, 9)
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RELOC_NUMBER (R_ARM_THM_CALL, 10)
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RELOC_NUMBER (R_ARM_THM_PC8, 11)
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RELOC_NUMBER (R_ARM_BREL_ADJ, 12)
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RELOC_NUMBER (R_ARM_SWI24, 13) /* obsolete */
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RELOC_NUMBER (R_ARM_THM_SWI8, 14) /* obsolete */
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RELOC_NUMBER (R_ARM_XPC25, 15) /* obsolete */
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RELOC_NUMBER (R_ARM_THM_XPC22, 16) /* obsolete */
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RELOC_NUMBER (R_ARM_TLS_DTPMOD32, 17)
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RELOC_NUMBER (R_ARM_TLS_DTPOFF32, 18)
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RELOC_NUMBER (R_ARM_TLS_TPOFF32, 19)
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RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */
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RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */
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RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */
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RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */
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RELOC_NUMBER (R_ARM_GOTOFF32, 24) /* 32 bit offset to GOT. */
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RELOC_NUMBER (R_ARM_BASE_PREL, 25) /* 32 bit PC relative offset to GOT. */
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RELOC_NUMBER (R_ARM_GOT_BREL, 26) /* 32 bit GOT entry. */
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RELOC_NUMBER (R_ARM_PLT32, 27) /* deprecated - 32 bit PLT address. */
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RELOC_NUMBER (R_ARM_CALL, 28)
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RELOC_NUMBER (R_ARM_JUMP24, 29)
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RELOC_NUMBER (R_ARM_THM_JUMP24, 30)
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RELOC_NUMBER (R_ARM_BASE_ABS, 31)
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RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) /* obsolete */
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RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) /* obsolete */
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RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) /* obsolete */
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RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35) /* deprecated, should have _NC suffix */
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RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36) /* deprecated, should have _NC suffix */
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RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37) /* deprecated, should have _CK suffix */
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RELOC_NUMBER (R_ARM_TARGET1, 38)
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RELOC_NUMBER (R_ARM_SBREL31, 39) /* deprecated */
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RELOC_NUMBER (R_ARM_V4BX, 40)
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RELOC_NUMBER (R_ARM_TARGET2, 41)
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RELOC_NUMBER (R_ARM_PREL31, 42)
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RELOC_NUMBER (R_ARM_MOVW_ABS_NC, 43)
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RELOC_NUMBER (R_ARM_MOVT_ABS, 44)
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RELOC_NUMBER (R_ARM_MOVW_PREL_NC, 45)
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RELOC_NUMBER (R_ARM_MOVT_PREL, 46)
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RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC, 47)
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RELOC_NUMBER (R_ARM_THM_MOVT_ABS, 48)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_MOVW_PREL_NC, 49)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_MOVT_PREL, 50)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_JUMP19, 51)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_JUMP6, 52)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_ALU_PREL_11_0, 53)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_PC12, 54)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ABS32_NOI, 55)
|
|
|
|
|
RELOC_NUMBER (R_ARM_REL32_NOI, 56)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_PC_G0_NC, 57)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_PC_G0, 58)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_PC_G1_NC, 59)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_PC_G1, 60)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_PC_G2, 61)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDR_PC_G1, 62)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDR_PC_G2, 63)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDRS_PC_G0, 64)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDRS_PC_G1, 65)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDRS_PC_G2, 66)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDC_PC_G0, 67)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDC_PC_G1, 68)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDC_PC_G2, 69)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_SB_G0_NC, 70)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_SB_G0, 71)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_SB_G1_NC, 72)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_SB_G1, 73)
|
|
|
|
|
RELOC_NUMBER (R_ARM_ALU_SB_G2, 74)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDR_SB_G0, 75)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDR_SB_G1, 76)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDR_SB_G2, 77)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDRS_SB_G0, 78)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDRS_SB_G1, 79)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDRS_SB_G2, 80)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDC_G0, 81)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDC_G1, 82)
|
|
|
|
|
RELOC_NUMBER (R_ARM_LDC_G2, 83)
|
|
|
|
|
RELOC_NUMBER (R_ARM_MOVW_BREL_NC, 84)
|
|
|
|
|
RELOC_NUMBER (R_ARM_MOVT_BREL, 85)
|
|
|
|
|
RELOC_NUMBER (R_ARM_MOVW_BREL, 86)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_MOVW_BREL_NC, 87)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_MOVT_BREL, 88)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_MOVW_BREL, 89)
|
|
|
|
|
/* 90-93 unallocated */
|
|
|
|
|
RELOC_NUMBER (R_ARM_PLT32_ABS, 94)
|
|
|
|
|
RELOC_NUMBER (R_ARM_GOT_ABS, 95)
|
|
|
|
|
RELOC_NUMBER (R_ARM_GOT_PREL, 96)
|
|
|
|
|
RELOC_NUMBER (R_ARM_GOT_BREL12, 97)
|
|
|
|
|
RELOC_NUMBER (R_ARM_GOTOFF12, 98)
|
|
|
|
|
RELOC_NUMBER (R_ARM_GOTRELAX, 99)
|
|
|
|
|
RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) /* deprecated - old C++ abi */
|
|
|
|
|
RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) /* deprecated - old C++ abi */
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_JUMP11, 102)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_JUMP8, 103)
|
|
|
|
|
RELOC_NUMBER (R_ARM_TLS_GD32, 104)
|
|
|
|
|
RELOC_NUMBER (R_ARM_TLS_LDM32, 105)
|
|
|
|
|
RELOC_NUMBER (R_ARM_TLS_LDO32, 106)
|
|
|
|
|
RELOC_NUMBER (R_ARM_TLS_IE32, 107)
|
|
|
|
|
RELOC_NUMBER (R_ARM_TLS_LE32, 108)
|
|
|
|
|
RELOC_NUMBER (R_ARM_TLS_LDO12, 109)
|
|
|
|
|
RELOC_NUMBER (R_ARM_TLS_LE12, 110)
|
|
|
|
|
RELOC_NUMBER (R_ARM_TLS_IE12GP, 111)
|
|
|
|
|
/* 112 - 127 private range */
|
|
|
|
|
RELOC_NUMBER (R_ARM_ME_TOO, 128) /* obsolete */
|
|
|
|
|
|
|
|
|
|
/* Extensions? R=read-only? */
|
|
|
|
|
RELOC_NUMBER (R_ARM_RXPC25, 249)
|
|
|
|
|
RELOC_NUMBER (R_ARM_RSBREL32, 250)
|
|
|
|
|
RELOC_NUMBER (R_ARM_THM_RPC22, 251)
|
|
|
|
|
RELOC_NUMBER (R_ARM_RREL32, 252)
|
|
|
|
|
RELOC_NUMBER (R_ARM_RABS32, 253)
|
|
|
|
|
RELOC_NUMBER (R_ARM_RPC24, 254)
|
|
|
|
|
RELOC_NUMBER (R_ARM_RBASE, 255)
|
|
|
|
|
|
|
|
|
|
/* Unofficial names for some of the relocs. */
|
|
|
|
|
FAKE_RELOC (R_ARM_GOTOFF, R_ARM_GOTOFF32) /* 32 bit offset to GOT. */
|
|
|
|
|
FAKE_RELOC (R_ARM_THM_PC22, R_ARM_THM_CALL)
|
|
|
|
|
FAKE_RELOC (R_ARM_THM_PC11, R_ARM_THM_JUMP11)
|
|
|
|
|
FAKE_RELOC (R_ARM_THM_PC9, R_ARM_THM_JUMP8)
|
|
|
|
|
|
|
|
|
|
/* Relocs with both a different name, and (apparently) different meaning in
|
|
|
|
|
GNU usage. */
|
|
|
|
|
FAKE_RELOC (R_ARM_GOTPC, R_ARM_BASE_PREL) /* 32 bit PC relative offset to GOT. */
|
|
|
|
|
FAKE_RELOC (R_ARM_GOT32, R_ARM_GOT_BREL) /* 32 bit GOT entry. */
|
|
|
|
|
FAKE_RELOC (R_ARM_ROSEGREL32, R_ARM_SBREL31) /* ??? */
|
|
|
|
|
FAKE_RELOC (R_ARM_AMP_VCALL9, R_ARM_BREL_ADJ) /* Thumb-something. Not used. */
|
|
|
|
|
FAKE_RELOC (R_ARM_PC13, R_ARM_LDR_PC_G0) /* Unclear whether meaning is different. */
|
2000-06-07 11:43:33 +08:00
|
|
|
END_RELOC_NUMBERS (R_ARM_max)
|
1999-05-03 15:29:11 +08:00
|
|
|
|
2005-10-08 Paul Brook <paul@codesourcery.com>
bfd/
* elf32-arm.c: Move #include "elf/arm.h" after libbfd.h.
(NUM_KNOWN_ATTRIBUTES): Define.
(aeabi_attribute, aeabi_attribute_list): Define.
(elf32_arm_obj_tdata): Add known_eabi_attributes and
other_eabi_attributes.
(uleb128_size, is_default_attr, eabi_attr_size,
elf32_arm_eabi_attr_size, write_uleb128, write_eabi_attribute,
elf32_arm_set_eabi_attr_contents, elf32_arm_bfd_final_link,
elf32_arm_new_eabi_attr, attr_strdup, elf32_arm_add_eabi_attr_int,
elf32_arm_add_eabi_attr_compat, copy_eabi_attributes,
elf32_arm_merge_eabi_attributes): New functions.
(elf32_arm_copy_private_bfd_data): Copy EABI object attributes.
(elf32_arm_fake_sections): Handle .ARM.attributes.
(elf32_arm_parse_attributes): New function.
(elf32_arm_section_from_shdr): Use it.
(bfd_elf32_bfd_final_link): Define.
gas/
* config/tc-arm.c: Don't provide fallback default for CPU_DEFAULT.
(arm_arch_used, thumb_arch_used, selected_cpu, selected_cpu_name):
New variables.
(arm_cpu_option_table): Add canonical_name.
(arm_cpus): Populate canonical_name field.
(s_arm_eabi_attribute, s_arm_arch, s_arm_cpu, s_arm_fpu,
aeabi_set_public_attributes, arm_md_end): New functions.
(md_pseudo_table): Add "cpu", "arch", "fpu" and "eabi_attribute".
(md_assemble): Set thumb_arch_used and arm_arch_used.
(md_begin): Set defaut cpu if CPU_DEFAULT not defined.
* config/tc-arm.h (md_end): Define.
* doc/c-arm.texi: Document .cpu, .arch, .fpu and .eabi_attribute.
gas/testsuite/
* gas/arm/eabi_attr_1.s: New test.
* gas/arm/eabi_attr_1.d: New test.
* gas/arm/arm7t.d: Only disassemble code sections.
* gas/arm/bignum1.d: Ignore Arm object attribute sections.
* gas/arm/mapping.d: Ditto.
* gas/arm/unwind.d: Ditto.
* gas/elf/section0.d: Ditto.
* gas/elf/section1.d: Ditto.
* gas/elf/elf.exp: Set target_machine for Arm EABI based targets.
* gas/elf/section2.e-armeabi: New file.
include/elf/
* arm.h: Add prototypes for BFD object attribute routines.
ld/testsuite/
* ld-arm/arm-rel31.d: Ignore Arm object attribute sections.
* ld-arm/arm-target1-abs.d: Ditto.
* ld-arm/arm-target1-rel.d: Ditto.
* ld-arm/arm-target2-abs.d: Ditto.
* ld-arm/arm-target2-got-rel.d: Ditto.
* ld-arm/arm-target2-rel.d: Ditto.
2005-10-09 01:07:19 +08:00
|
|
|
#ifdef BFD_ARCH_SIZE
|
|
|
|
|
/* Routines for manipulating EABI object attributes. */
|
|
|
|
|
void elf32_arm_add_eabi_attr_int (bfd *, int, unsigned int);
|
|
|
|
|
void elf32_arm_add_eabi_attr_string (bfd *, int, const char *);
|
|
|
|
|
void elf32_arm_add_eabi_attr_compat (bfd *, unsigned int, const char *);
|
2005-12-13 01:03:40 +08:00
|
|
|
int elf32_arm_get_eabi_attr_int (bfd *, int);
|
2005-10-08 Paul Brook <paul@codesourcery.com>
bfd/
* elf32-arm.c: Move #include "elf/arm.h" after libbfd.h.
(NUM_KNOWN_ATTRIBUTES): Define.
(aeabi_attribute, aeabi_attribute_list): Define.
(elf32_arm_obj_tdata): Add known_eabi_attributes and
other_eabi_attributes.
(uleb128_size, is_default_attr, eabi_attr_size,
elf32_arm_eabi_attr_size, write_uleb128, write_eabi_attribute,
elf32_arm_set_eabi_attr_contents, elf32_arm_bfd_final_link,
elf32_arm_new_eabi_attr, attr_strdup, elf32_arm_add_eabi_attr_int,
elf32_arm_add_eabi_attr_compat, copy_eabi_attributes,
elf32_arm_merge_eabi_attributes): New functions.
(elf32_arm_copy_private_bfd_data): Copy EABI object attributes.
(elf32_arm_fake_sections): Handle .ARM.attributes.
(elf32_arm_parse_attributes): New function.
(elf32_arm_section_from_shdr): Use it.
(bfd_elf32_bfd_final_link): Define.
gas/
* config/tc-arm.c: Don't provide fallback default for CPU_DEFAULT.
(arm_arch_used, thumb_arch_used, selected_cpu, selected_cpu_name):
New variables.
(arm_cpu_option_table): Add canonical_name.
(arm_cpus): Populate canonical_name field.
(s_arm_eabi_attribute, s_arm_arch, s_arm_cpu, s_arm_fpu,
aeabi_set_public_attributes, arm_md_end): New functions.
(md_pseudo_table): Add "cpu", "arch", "fpu" and "eabi_attribute".
(md_assemble): Set thumb_arch_used and arm_arch_used.
(md_begin): Set defaut cpu if CPU_DEFAULT not defined.
* config/tc-arm.h (md_end): Define.
* doc/c-arm.texi: Document .cpu, .arch, .fpu and .eabi_attribute.
gas/testsuite/
* gas/arm/eabi_attr_1.s: New test.
* gas/arm/eabi_attr_1.d: New test.
* gas/arm/arm7t.d: Only disassemble code sections.
* gas/arm/bignum1.d: Ignore Arm object attribute sections.
* gas/arm/mapping.d: Ditto.
* gas/arm/unwind.d: Ditto.
* gas/elf/section0.d: Ditto.
* gas/elf/section1.d: Ditto.
* gas/elf/elf.exp: Set target_machine for Arm EABI based targets.
* gas/elf/section2.e-armeabi: New file.
include/elf/
* arm.h: Add prototypes for BFD object attribute routines.
ld/testsuite/
* ld-arm/arm-rel31.d: Ignore Arm object attribute sections.
* ld-arm/arm-target1-abs.d: Ditto.
* ld-arm/arm-target1-rel.d: Ditto.
* ld-arm/arm-target2-abs.d: Ditto.
* ld-arm/arm-target2-got-rel.d: Ditto.
* ld-arm/arm-target2-rel.d: Ditto.
2005-10-09 01:07:19 +08:00
|
|
|
|
|
|
|
|
void elf32_arm_set_eabi_attr_contents (bfd *, bfd_byte *, bfd_vma);
|
|
|
|
|
bfd_vma elf32_arm_eabi_attr_size (bfd *);
|
|
|
|
|
|
|
|
|
|
enum
|
|
|
|
|
{
|
|
|
|
|
Tag_NULL,
|
|
|
|
|
Tag_File,
|
|
|
|
|
Tag_Section,
|
|
|
|
|
Tag_Symbol,
|
|
|
|
|
Tag_CPU_raw_name,
|
|
|
|
|
Tag_CPU_name,
|
|
|
|
|
Tag_CPU_arch,
|
|
|
|
|
Tag_CPU_arch_profile,
|
|
|
|
|
Tag_ARM_ISA_use,
|
|
|
|
|
Tag_THUMB_ISA_use,
|
|
|
|
|
Tag_VFP_arch,
|
|
|
|
|
Tag_WMMX_arch,
|
|
|
|
|
Tag_NEON_arch,
|
|
|
|
|
Tag_PCS_config,
|
|
|
|
|
Tag_ABI_PCS_R9_use,
|
|
|
|
|
Tag_ABI_PCS_RW_data,
|
|
|
|
|
Tag_ABI_PCS_RO_data,
|
|
|
|
|
Tag_ABI_PCS_GOT_use,
|
|
|
|
|
Tag_ABI_PCS_wchar_t,
|
|
|
|
|
Tag_ABI_FP_rounding,
|
|
|
|
|
Tag_ABI_FP_denormal,
|
|
|
|
|
Tag_ABI_FP_exceptions,
|
|
|
|
|
Tag_ABI_FP_user_exceptions,
|
|
|
|
|
Tag_ABI_FP_number_model,
|
|
|
|
|
Tag_ABI_align8_needed,
|
|
|
|
|
Tag_ABI_align8_preserved,
|
|
|
|
|
Tag_ABI_enum_size,
|
|
|
|
|
Tag_ABI_HardFP_use,
|
|
|
|
|
Tag_ABI_VFP_args,
|
|
|
|
|
Tag_ABI_WMMX_args,
|
|
|
|
|
Tag_ABI_optimization_goals,
|
|
|
|
|
Tag_ABI_FP_optimization_goals,
|
|
|
|
|
Tag_compatibility,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
2003-03-26 04:56:01 +08:00
|
|
|
/* The name of the note section used to identify arm variants. */
|
2003-04-01 21:08:06 +08:00
|
|
|
#define ARM_NOTE_SECTION ".note.gnu.arm.ident"
|
2004-10-01 20:59:42 +08:00
|
|
|
|
|
|
|
|
/* Special section names. */
|
|
|
|
|
#define ELF_STRING_ARM_unwind ".ARM.exidx"
|
|
|
|
|
#define ELF_STRING_ARM_unwind_info ".ARM.extab"
|
|
|
|
|
#define ELF_STRING_ARM_unwind_once ".gnu.linkonce.armexidx."
|
|
|
|
|
#define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab."
|
|
|
|
|
|
2000-04-08 08:09:26 +08:00
|
|
|
#endif /* _ELF_ARM_H */
|
