/* ARM ELF support for BFD.
- Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1998-2021 Free Software Foundation, Inc.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _ELF_ARM_H
#define _ELF_ARM_H
#include "elf/reloc-macros.h"
/* Processor specific flags for the ELF header e_flags field. */
+
+/* Old ABI (ie GNU pre EABI). These are deprecated. */
#define EF_ARM_RELEXEC 0x01
-#define EF_ARM_HASENTRY 0x02
#define EF_ARM_INTERWORK 0x04
#define EF_ARM_APCS_26 0x08
#define EF_ARM_APCS_FLOAT 0x10
#define EF_ARM_VFP_FLOAT 0x400
#define EF_ARM_MAVERICK_FLOAT 0x800
-/* Other constants defined in the ARM ELF spec. version B-01. */
-#define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK */
-#define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26 */
-#define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT */
-#define EF_ARM_EABIMASK 0xFF000000
+/* Frame unwind information */
+#define PT_ARM_EXIDX (PT_LOPROC + 1)
+
+/* Old ARM ELF spec. version B-01. Mostly deprecated. */
+#define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK. */
+#define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26. */
+#define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT. */
+
+/* New constants defined in the ARM ELF spec. version XXX (AAELF).
+ Only valid in conjunction with EF_ARM_EABI_VER5. */
+#define EF_ARM_ABI_FLOAT_SOFT 0x200 /* NB conflicts with EF_ARM_SOFT_FLOAT. */
+#define EF_ARM_ABI_FLOAT_HARD 0x400 /* NB conflicts with EF_ARM_VFP_FLOAT. */
/* Constants defined in AAELF. */
#define EF_ARM_BE8 0x00800000
#define EF_ARM_LE8 0x00400000
+#define EF_ARM_EABIMASK 0xFF000000
#define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK)
#define EF_ARM_EABI_UNKNOWN 0x00000000
#define EF_ARM_EABI_VER1 0x01000000
#define EF_ARM_EABI_VER2 0x02000000
#define EF_ARM_EABI_VER3 0x03000000
+#define EF_ARM_EABI_VER4 0x04000000
+#define EF_ARM_EABI_VER5 0x05000000
/* Local aliases for some flags to match names used by COFF port. */
#define F_INTERWORK EF_ARM_INTERWORK
#define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */
#define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */
+/* Additional section types. */
+#define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */
+#define SHT_ARM_PREEMPTMAP 0x70000002 /* Section pre-emption details. */
+#define SHT_ARM_ATTRIBUTES 0x70000003 /* Section holds attributes. */
+#define SHT_ARM_DEBUGOVERLAY 0x70000004 /* Section holds overlay debug info. */
+#define SHT_ARM_OVERLAYSECTION 0x70000005 /* Section holds GDB and overlay integration info. */
+
/* ARM-specific values for sh_flags. */
#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */
+#define SHF_ARM_PURECODE 0x20000000 /* Section contains only code and no data. */
#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */
/* ARM-specific program header flags. */
#define PF_ARM_PI 0x20000000 /* Segment is position-independent. */
#define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */
+/* Values for the Tag_CPU_arch EABI attribute. */
+#define TAG_CPU_ARCH_PRE_V4 0
+#define TAG_CPU_ARCH_V4 1
+#define TAG_CPU_ARCH_V4T 2
+#define TAG_CPU_ARCH_V5T 3
+#define TAG_CPU_ARCH_V5TE 4
+#define TAG_CPU_ARCH_V5TEJ 5
+#define TAG_CPU_ARCH_V6 6
+#define TAG_CPU_ARCH_V6KZ 7
+#define TAG_CPU_ARCH_V6T2 8
+#define TAG_CPU_ARCH_V6K 9
+#define TAG_CPU_ARCH_V7 10
+#define TAG_CPU_ARCH_V6_M 11
+#define TAG_CPU_ARCH_V6S_M 12
+#define TAG_CPU_ARCH_V7E_M 13
+#define TAG_CPU_ARCH_V8 14
+#define TAG_CPU_ARCH_V8R 15
+#define TAG_CPU_ARCH_V8M_BASE 16
+#define TAG_CPU_ARCH_V8M_MAIN 17
+#define TAG_CPU_ARCH_V8_1M_MAIN 21
+#define MAX_TAG_CPU_ARCH TAG_CPU_ARCH_V8_1M_MAIN
+/* Pseudo-architecture to allow objects to be compatible with the subset of
+ armv4t and armv6-m. This value should never be stored in object files. */
+#define TAG_CPU_ARCH_V4T_PLUS_V6_M (MAX_TAG_CPU_ARCH + 1)
+
/* Relocation types. */
START_RELOC_NUMBERS (elf_arm_reloc_type)
- RELOC_NUMBER (R_ARM_NONE, 0)
- RELOC_NUMBER (R_ARM_PC24, 1)
- RELOC_NUMBER (R_ARM_ABS32, 2)
- RELOC_NUMBER (R_ARM_REL32, 3)
-#ifdef OLD_ARM_ABI
- RELOC_NUMBER (R_ARM_ABS8, 4)
- RELOC_NUMBER (R_ARM_ABS16, 5)
- RELOC_NUMBER (R_ARM_ABS12, 6)
- RELOC_NUMBER (R_ARM_THM_ABS5, 7)
- RELOC_NUMBER (R_ARM_THM_PC22, 8)
- RELOC_NUMBER (R_ARM_SBREL32, 9)
- RELOC_NUMBER (R_ARM_AMP_VCALL9, 10)
- RELOC_NUMBER (R_ARM_THM_PC11, 11) /* Cygnus extension to abi: Thumb unconditional branch. */
- RELOC_NUMBER (R_ARM_THM_PC9, 12) /* Cygnus extension to abi: Thumb conditional branch. */
- RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 13)
- RELOC_NUMBER (R_ARM_GNU_VTENTRY, 14)
-#else /* not OLD_ARM_ABI */
- RELOC_NUMBER (R_ARM_PC13, 4)
- RELOC_NUMBER (R_ARM_ABS16, 5)
- RELOC_NUMBER (R_ARM_ABS12, 6)
- RELOC_NUMBER (R_ARM_THM_ABS5, 7)
- RELOC_NUMBER (R_ARM_ABS8, 8)
- RELOC_NUMBER (R_ARM_SBREL32, 9)
- RELOC_NUMBER (R_ARM_THM_PC22, 10)
- RELOC_NUMBER (R_ARM_THM_PC8, 11)
- RELOC_NUMBER (R_ARM_AMP_VCALL9, 12)
- RELOC_NUMBER (R_ARM_SWI24, 13)
- RELOC_NUMBER (R_ARM_THM_SWI8, 14)
- RELOC_NUMBER (R_ARM_XPC25, 15)
- RELOC_NUMBER (R_ARM_THM_XPC22, 16)
-#endif /* not OLD_ARM_ABI */
- RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */
- RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */
- RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */
- RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */
- RELOC_NUMBER (R_ARM_GOTOFF, 24) /* 32 bit offset to GOT. */
- RELOC_NUMBER (R_ARM_GOTPC, 25) /* 32 bit PC relative offset to GOT. */
- RELOC_NUMBER (R_ARM_GOT32, 26) /* 32 bit GOT entry. */
- RELOC_NUMBER (R_ARM_PLT32, 27) /* 32 bit PLT address. */
-#ifdef OLD_ARM_ABI
- FAKE_RELOC (FIRST_INVALID_RELOC, 28)
- FAKE_RELOC (LAST_INVALID_RELOC, 249)
-#else /* not OLD_ARM_ABI */
- FAKE_RELOC (FIRST_INVALID_RELOC1, 28)
- FAKE_RELOC (LAST_INVALID_RELOC1, 31)
- RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32)
- RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33)
- RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34)
- RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35)
- RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36)
- RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37)
- RELOC_NUMBER (R_ARM_RELABS32, 38)
- RELOC_NUMBER (R_ARM_ROSEGREL32, 39)
- RELOC_NUMBER (R_ARM_V4BX, 40)
- RELOC_NUMBER (R_ARM_STKCHK, 41)
- RELOC_NUMBER (R_ARM_THM_STKCHK, 42)
- FAKE_RELOC (FIRST_INVALID_RELOC2, 43)
- FAKE_RELOC (LAST_INVALID_RELOC2, 99)
- RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100)
- RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101)
- RELOC_NUMBER (R_ARM_THM_PC11, 102) /* Cygnus extension to abi: Thumb unconditional branch. */
- RELOC_NUMBER (R_ARM_THM_PC9, 103) /* Cygnus extension to abi: Thumb conditional branch. */
- FAKE_RELOC (FIRST_INVALID_RELOC3, 104)
- FAKE_RELOC (LAST_INVALID_RELOC3, 248)
- RELOC_NUMBER (R_ARM_RXPC25, 249)
-#endif /* not OLD_ARM_ABI */
- 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)
-END_RELOC_NUMBERS (R_ARM_max)
+/* AAELF official names and numbers. */
+ RELOC_NUMBER (R_ARM_NONE, 0)
+ RELOC_NUMBER (R_ARM_PC24, 1) /* deprecated */
+ RELOC_NUMBER (R_ARM_ABS32, 2)
+ RELOC_NUMBER (R_ARM_REL32, 3)
+ RELOC_NUMBER (R_ARM_LDR_PC_G0, 4)
+ RELOC_NUMBER (R_ARM_ABS16, 5)
+ RELOC_NUMBER (R_ARM_ABS12, 6)
+ RELOC_NUMBER (R_ARM_THM_ABS5, 7)
+ RELOC_NUMBER (R_ARM_ABS8, 8)
+ RELOC_NUMBER (R_ARM_SBREL32, 9)
+ RELOC_NUMBER (R_ARM_THM_CALL, 10)
+ RELOC_NUMBER (R_ARM_THM_PC8, 11)
+ RELOC_NUMBER (R_ARM_BREL_ADJ, 12)
+ RELOC_NUMBER (R_ARM_TLS_DESC, 13)
+ RELOC_NUMBER (R_ARM_THM_SWI8, 14) /* obsolete */
+ RELOC_NUMBER (R_ARM_XPC25, 15) /* obsolete */
+ RELOC_NUMBER (R_ARM_THM_XPC22, 16) /* obsolete */
+ RELOC_NUMBER (R_ARM_TLS_DTPMOD32, 17)
+ RELOC_NUMBER (R_ARM_TLS_DTPOFF32, 18)
+ RELOC_NUMBER (R_ARM_TLS_TPOFF32, 19)
+ RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */
+ RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */
+ RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */
+ RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */
+ RELOC_NUMBER (R_ARM_GOTOFF32, 24) /* 32 bit offset to GOT. */
+ RELOC_NUMBER (R_ARM_BASE_PREL, 25) /* 32 bit PC relative offset to GOT. */
+ RELOC_NUMBER (R_ARM_GOT_BREL, 26) /* 32 bit GOT entry. */
+ RELOC_NUMBER (R_ARM_PLT32, 27) /* deprecated - 32 bit PLT address. */
+ RELOC_NUMBER (R_ARM_CALL, 28)
+ RELOC_NUMBER (R_ARM_JUMP24, 29)
+ RELOC_NUMBER (R_ARM_THM_JUMP24, 30)
+ RELOC_NUMBER (R_ARM_BASE_ABS, 31)
+ RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) /* obsolete */
+ RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) /* obsolete */
+ RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) /* obsolete */
+ RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35) /* deprecated, should have _NC suffix */
+ RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36) /* deprecated, should have _NC suffix */
+ RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37) /* deprecated, should have _CK suffix */
+ RELOC_NUMBER (R_ARM_TARGET1, 38)
+ RELOC_NUMBER (R_ARM_SBREL31, 39) /* deprecated */
+ RELOC_NUMBER (R_ARM_V4BX, 40)
+ RELOC_NUMBER (R_ARM_TARGET2, 41)
+ RELOC_NUMBER (R_ARM_PREL31, 42)
+ RELOC_NUMBER (R_ARM_MOVW_ABS_NC, 43)
+ RELOC_NUMBER (R_ARM_MOVT_ABS, 44)
+ RELOC_NUMBER (R_ARM_MOVW_PREL_NC, 45)
+ RELOC_NUMBER (R_ARM_MOVT_PREL, 46)
+ RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC, 47)
+ 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_SB_G0, 81)
+ RELOC_NUMBER (R_ARM_LDC_SB_G1, 82)
+ RELOC_NUMBER (R_ARM_LDC_SB_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)
+ RELOC_NUMBER (R_ARM_TLS_GOTDESC, 90)
+ RELOC_NUMBER (R_ARM_TLS_CALL, 91)
+ RELOC_NUMBER (R_ARM_TLS_DESCSEQ, 92)
+ RELOC_NUMBER (R_ARM_THM_TLS_CALL, 93)
+ 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 */
+ RELOC_NUMBER (R_ARM_THM_TLS_DESCSEQ ,129)
+
+ RELOC_NUMBER (R_ARM_THM_ALU_ABS_G0_NC,132)
+ RELOC_NUMBER (R_ARM_THM_ALU_ABS_G1_NC,133)
+ RELOC_NUMBER (R_ARM_THM_ALU_ABS_G2_NC,134)
+ RELOC_NUMBER (R_ARM_THM_ALU_ABS_G3_NC,135)
+ RELOC_NUMBER (R_ARM_THM_BF16, 136)
+ RELOC_NUMBER (R_ARM_THM_BF12, 137)
+ RELOC_NUMBER (R_ARM_THM_BF18, 138)
+
+ RELOC_NUMBER (R_ARM_IRELATIVE, 160)
+ RELOC_NUMBER (R_ARM_GOTFUNCDESC, 161)
+ RELOC_NUMBER (R_ARM_GOTOFFFUNCDESC, 162)
+ RELOC_NUMBER (R_ARM_FUNCDESC, 163)
+ RELOC_NUMBER (R_ARM_FUNCDESC_VALUE, 164)
+ RELOC_NUMBER (R_ARM_TLS_GD32_FDPIC, 165)
+ RELOC_NUMBER (R_ARM_TLS_LDM32_FDPIC, 166)
+ RELOC_NUMBER (R_ARM_TLS_IE32_FDPIC, 167)
+
+ /* 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. */
+
+END_RELOC_NUMBERS (R_ARM_max = 256)
+
+#ifdef BFD_ARCH_SIZE
+/* EABI object attributes. */
+
+enum
+{
+ /* 0-3 are generic. */
+ Tag_CPU_raw_name = 4,
+ Tag_CPU_name,
+ Tag_CPU_arch,
+ Tag_CPU_arch_profile,
+ Tag_ARM_ISA_use,
+ Tag_THUMB_ISA_use,
+ Tag_FP_arch,
+ Tag_WMMX_arch,
+ Tag_Advanced_SIMD_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_align_needed,
+ Tag_ABI_align_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,
+ /* 32 is generic (Tag_compatibility). */
+ Tag_undefined33 = 33,
+ Tag_CPU_unaligned_access,
+ Tag_undefined35,
+ Tag_FP_HP_extension,
+ Tag_undefined37,
+ Tag_ABI_FP_16bit_format,
+ Tag_undefined39,
+ Tag_undefined40,
+ Tag_undefined41,
+ Tag_MPextension_use,
+ Tag_undefined_43,
+ Tag_DIV_use,
+ Tag_DSP_extension = 46,
+ Tag_MVE_arch = 48,
+ Tag_nodefaults = 64,
+ Tag_also_compatible_with,
+ Tag_T2EE_use,
+ Tag_conformance,
+ Tag_Virtualization_use,
+ Tag_undefined69,
+ Tag_MPextension_use_legacy,
+
+ /* The following tags are legacy names for other tags. */
+ Tag_VFP_arch = Tag_FP_arch,
+ Tag_ABI_align8_needed = Tag_ABI_align_needed,
+ Tag_ABI_align8_preserved = Tag_ABI_align_preserved,
+ Tag_VFP_HP_extension = Tag_FP_HP_extension
+};
+
+/* Values for Tag_ABI_FP_number_model. */
+enum
+{
+ AEABI_FP_number_model_none = 0,
+ AEABI_FP_number_model_ieee754_number = 1,
+ AEABI_FP_number_model_rtabi = 2,
+ AEABI_FP_number_model_ieee754_all = 3
+};
+
+/* Values for Tag_ABI_VFP_args. */
+enum
+{
+ AEABI_VFP_args_base = 0,
+ AEABI_VFP_args_vfp = 1,
+ AEABI_VFP_args_toolchain = 2,
+ AEABI_VFP_args_compatible = 3
+};
+#endif
/* The name of the note section used to identify arm variants. */
#define ARM_NOTE_SECTION ".note.gnu.arm.ident"
-
+
+/* 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."
+
+enum arm_st_branch_type {
+ ST_BRANCH_TO_ARM,
+ ST_BRANCH_TO_THUMB,
+ ST_BRANCH_LONG,
+ ST_BRANCH_UNKNOWN,
+ ST_BRANCH_ENUM_SIZE
+};
+
+#define NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS 2
+#define ENUM_ARM_ST_BRANCH_TYPE_BITMASK \
+ ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) - 1)
+
+#define ARM_GET_SYM_BRANCH_TYPE(STI) \
+ ((enum arm_st_branch_type) ((STI) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK))
+#ifdef BFD_ASSERT
+#define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE) \
+ do { \
+ BFD_ASSERT (TYPE <= ST_BRANCH_ENUM_SIZE); \
+ BFD_ASSERT ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) \
+ >= ST_BRANCH_ENUM_SIZE); \
+ (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK) \
+ | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)); \
+ } while (0)
+#else
+#define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE) \
+ (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK) \
+ | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK))
+#endif
+
#endif /* _ELF_ARM_H */
projects / thirdparty / binutils-gdb.git / blobdiff