198b9484cSchristos /* ARM ELF support for BFD. 2*e663ba6eSchristos Copyright (C) 1998-2024 Free Software Foundation, Inc. 398b9484cSchristos 498b9484cSchristos This file is part of BFD, the Binary File Descriptor library. 598b9484cSchristos 698b9484cSchristos This program is free software; you can redistribute it and/or modify 798b9484cSchristos it under the terms of the GNU General Public License as published by 898b9484cSchristos the Free Software Foundation; either version 3 of the License, or 998b9484cSchristos (at your option) any later version. 1098b9484cSchristos 1198b9484cSchristos This program is distributed in the hope that it will be useful, 1298b9484cSchristos but WITHOUT ANY WARRANTY; without even the implied warranty of 1398b9484cSchristos MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1498b9484cSchristos GNU General Public License for more details. 1598b9484cSchristos 1698b9484cSchristos You should have received a copy of the GNU General Public License 1798b9484cSchristos along with this program; if not, write to the Free Software Foundation, 1898b9484cSchristos Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 1998b9484cSchristos 2098b9484cSchristos #ifndef _ELF_ARM_H 2198b9484cSchristos #define _ELF_ARM_H 2298b9484cSchristos 2398b9484cSchristos #include "elf/reloc-macros.h" 2498b9484cSchristos 2598b9484cSchristos /* Processor specific flags for the ELF header e_flags field. */ 264559860eSchristos 274559860eSchristos /* Old ABI (ie GNU pre EABI). These are deprecated. */ 2898b9484cSchristos #define EF_ARM_RELEXEC 0x01 2998b9484cSchristos #define EF_ARM_INTERWORK 0x04 3098b9484cSchristos #define EF_ARM_APCS_26 0x08 3198b9484cSchristos #define EF_ARM_APCS_FLOAT 0x10 3298b9484cSchristos #define EF_ARM_PIC 0x20 3398b9484cSchristos #define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use. */ 3498b9484cSchristos #define EF_ARM_NEW_ABI 0x80 3598b9484cSchristos #define EF_ARM_OLD_ABI 0x100 3698b9484cSchristos #define EF_ARM_SOFT_FLOAT 0x200 3798b9484cSchristos #define EF_ARM_VFP_FLOAT 0x400 38*e663ba6eSchristos /* Removed, was EF_ARM_MAVERICK_FLOAT 0x800 */ 3998b9484cSchristos 4098b9484cSchristos /* Frame unwind information */ 4198b9484cSchristos #define PT_ARM_EXIDX (PT_LOPROC + 1) 4298b9484cSchristos 434559860eSchristos /* Old ARM ELF spec. version B-01. Mostly deprecated. */ 4498b9484cSchristos #define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK. */ 4598b9484cSchristos #define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26. */ 4698b9484cSchristos #define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT. */ 4798b9484cSchristos 484559860eSchristos /* New constants defined in the ARM ELF spec. version XXX (AAELF). 49a2e2270fSchristos Only valid in conjunction with EF_ARM_EABI_VER5. */ 50a2e2270fSchristos #define EF_ARM_ABI_FLOAT_SOFT 0x200 /* NB conflicts with EF_ARM_SOFT_FLOAT. */ 51a2e2270fSchristos #define EF_ARM_ABI_FLOAT_HARD 0x400 /* NB conflicts with EF_ARM_VFP_FLOAT. */ 52a2e2270fSchristos 5398b9484cSchristos /* Constants defined in AAELF. */ 5498b9484cSchristos #define EF_ARM_BE8 0x00800000 5598b9484cSchristos #define EF_ARM_LE8 0x00400000 5698b9484cSchristos 574559860eSchristos #define EF_ARM_EABIMASK 0xFF000000 5898b9484cSchristos #define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) 5998b9484cSchristos #define EF_ARM_EABI_UNKNOWN 0x00000000 6098b9484cSchristos #define EF_ARM_EABI_VER1 0x01000000 6198b9484cSchristos #define EF_ARM_EABI_VER2 0x02000000 6298b9484cSchristos #define EF_ARM_EABI_VER3 0x03000000 6398b9484cSchristos #define EF_ARM_EABI_VER4 0x04000000 6498b9484cSchristos #define EF_ARM_EABI_VER5 0x05000000 6598b9484cSchristos 6698b9484cSchristos /* Local aliases for some flags to match names used by COFF port. */ 6798b9484cSchristos #define F_INTERWORK EF_ARM_INTERWORK 6898b9484cSchristos #define F_APCS26 EF_ARM_APCS_26 6998b9484cSchristos #define F_APCS_FLOAT EF_ARM_APCS_FLOAT 7098b9484cSchristos #define F_PIC EF_ARM_PIC 7198b9484cSchristos #define F_SOFT_FLOAT EF_ARM_SOFT_FLOAT 7298b9484cSchristos #define F_VFP_FLOAT EF_ARM_VFP_FLOAT 7398b9484cSchristos 7498b9484cSchristos /* Additional symbol types for Thumb. */ 7598b9484cSchristos #define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */ 7698b9484cSchristos #define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */ 7798b9484cSchristos 7898b9484cSchristos /* Additional section types. */ 7998b9484cSchristos #define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */ 8098b9484cSchristos #define SHT_ARM_PREEMPTMAP 0x70000002 /* Section pre-emption details. */ 8198b9484cSchristos #define SHT_ARM_ATTRIBUTES 0x70000003 /* Section holds attributes. */ 8298b9484cSchristos #define SHT_ARM_DEBUGOVERLAY 0x70000004 /* Section holds overlay debug info. */ 8398b9484cSchristos #define SHT_ARM_OVERLAYSECTION 0x70000005 /* Section holds GDB and overlay integration info. */ 8498b9484cSchristos 8598b9484cSchristos /* ARM-specific values for sh_flags. */ 8698b9484cSchristos #define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */ 87ba340e45Schristos #define SHF_ARM_PURECODE 0x20000000 /* Section contains only code and no data. */ 8898b9484cSchristos #define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */ 8998b9484cSchristos 9098b9484cSchristos /* ARM-specific program header flags. */ 9198b9484cSchristos #define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */ 9298b9484cSchristos #define PF_ARM_PI 0x20000000 /* Segment is position-independent. */ 9398b9484cSchristos #define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */ 9498b9484cSchristos 9598b9484cSchristos /* Values for the Tag_CPU_arch EABI attribute. */ 9698b9484cSchristos #define TAG_CPU_ARCH_PRE_V4 0 9798b9484cSchristos #define TAG_CPU_ARCH_V4 1 9898b9484cSchristos #define TAG_CPU_ARCH_V4T 2 9998b9484cSchristos #define TAG_CPU_ARCH_V5T 3 10098b9484cSchristos #define TAG_CPU_ARCH_V5TE 4 10198b9484cSchristos #define TAG_CPU_ARCH_V5TEJ 5 10298b9484cSchristos #define TAG_CPU_ARCH_V6 6 10398b9484cSchristos #define TAG_CPU_ARCH_V6KZ 7 10498b9484cSchristos #define TAG_CPU_ARCH_V6T2 8 10598b9484cSchristos #define TAG_CPU_ARCH_V6K 9 10698b9484cSchristos #define TAG_CPU_ARCH_V7 10 10798b9484cSchristos #define TAG_CPU_ARCH_V6_M 11 10898b9484cSchristos #define TAG_CPU_ARCH_V6S_M 12 10998b9484cSchristos #define TAG_CPU_ARCH_V7E_M 13 110a2e2270fSchristos #define TAG_CPU_ARCH_V8 14 1114559860eSchristos #define TAG_CPU_ARCH_V8R 15 112ba340e45Schristos #define TAG_CPU_ARCH_V8M_BASE 16 113ba340e45Schristos #define TAG_CPU_ARCH_V8M_MAIN 17 1144b169a6bSchristos #define TAG_CPU_ARCH_8_1A 18 1154b169a6bSchristos #define TAG_CPU_ARCH_8_2A 19 1164b169a6bSchristos #define TAG_CPU_ARCH_8_3A 20 1178dffb485Schristos #define TAG_CPU_ARCH_V8_1M_MAIN 21 1184b169a6bSchristos #define TAG_CPU_ARCH_V9 22 1194b169a6bSchristos #define MAX_TAG_CPU_ARCH TAG_CPU_ARCH_V9 12098b9484cSchristos /* Pseudo-architecture to allow objects to be compatible with the subset of 12198b9484cSchristos armv4t and armv6-m. This value should never be stored in object files. */ 12298b9484cSchristos #define TAG_CPU_ARCH_V4T_PLUS_V6_M (MAX_TAG_CPU_ARCH + 1) 12398b9484cSchristos 12498b9484cSchristos /* Relocation types. */ 12598b9484cSchristos 12698b9484cSchristos START_RELOC_NUMBERS (elf_arm_reloc_type) 12798b9484cSchristos /* AAELF official names and numbers. */ 12898b9484cSchristos RELOC_NUMBER (R_ARM_NONE, 0) 12998b9484cSchristos RELOC_NUMBER (R_ARM_PC24, 1) /* deprecated */ 13098b9484cSchristos RELOC_NUMBER (R_ARM_ABS32, 2) 13198b9484cSchristos RELOC_NUMBER (R_ARM_REL32, 3) 13298b9484cSchristos RELOC_NUMBER (R_ARM_LDR_PC_G0, 4) 13398b9484cSchristos RELOC_NUMBER (R_ARM_ABS16, 5) 13498b9484cSchristos RELOC_NUMBER (R_ARM_ABS12, 6) 13598b9484cSchristos RELOC_NUMBER (R_ARM_THM_ABS5, 7) 13698b9484cSchristos RELOC_NUMBER (R_ARM_ABS8, 8) 13798b9484cSchristos RELOC_NUMBER (R_ARM_SBREL32, 9) 13898b9484cSchristos RELOC_NUMBER (R_ARM_THM_CALL, 10) 13998b9484cSchristos RELOC_NUMBER (R_ARM_THM_PC8, 11) 14098b9484cSchristos RELOC_NUMBER (R_ARM_BREL_ADJ, 12) 14198b9484cSchristos RELOC_NUMBER (R_ARM_TLS_DESC, 13) 14298b9484cSchristos RELOC_NUMBER (R_ARM_THM_SWI8, 14) /* obsolete */ 14398b9484cSchristos RELOC_NUMBER (R_ARM_XPC25, 15) /* obsolete */ 14498b9484cSchristos RELOC_NUMBER (R_ARM_THM_XPC22, 16) /* obsolete */ 14598b9484cSchristos RELOC_NUMBER (R_ARM_TLS_DTPMOD32, 17) 14698b9484cSchristos RELOC_NUMBER (R_ARM_TLS_DTPOFF32, 18) 14798b9484cSchristos RELOC_NUMBER (R_ARM_TLS_TPOFF32, 19) 14898b9484cSchristos RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */ 14998b9484cSchristos RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */ 15098b9484cSchristos RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */ 15198b9484cSchristos RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */ 15298b9484cSchristos RELOC_NUMBER (R_ARM_GOTOFF32, 24) /* 32 bit offset to GOT. */ 15398b9484cSchristos RELOC_NUMBER (R_ARM_BASE_PREL, 25) /* 32 bit PC relative offset to GOT. */ 15498b9484cSchristos RELOC_NUMBER (R_ARM_GOT_BREL, 26) /* 32 bit GOT entry. */ 15598b9484cSchristos RELOC_NUMBER (R_ARM_PLT32, 27) /* deprecated - 32 bit PLT address. */ 15698b9484cSchristos RELOC_NUMBER (R_ARM_CALL, 28) 15798b9484cSchristos RELOC_NUMBER (R_ARM_JUMP24, 29) 15898b9484cSchristos RELOC_NUMBER (R_ARM_THM_JUMP24, 30) 15998b9484cSchristos RELOC_NUMBER (R_ARM_BASE_ABS, 31) 16098b9484cSchristos RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) /* obsolete */ 16198b9484cSchristos RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) /* obsolete */ 16298b9484cSchristos RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) /* obsolete */ 16398b9484cSchristos RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35) /* deprecated, should have _NC suffix */ 16498b9484cSchristos RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36) /* deprecated, should have _NC suffix */ 16598b9484cSchristos RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37) /* deprecated, should have _CK suffix */ 16698b9484cSchristos RELOC_NUMBER (R_ARM_TARGET1, 38) 16798b9484cSchristos RELOC_NUMBER (R_ARM_SBREL31, 39) /* deprecated */ 16898b9484cSchristos RELOC_NUMBER (R_ARM_V4BX, 40) 16998b9484cSchristos RELOC_NUMBER (R_ARM_TARGET2, 41) 17098b9484cSchristos RELOC_NUMBER (R_ARM_PREL31, 42) 17198b9484cSchristos RELOC_NUMBER (R_ARM_MOVW_ABS_NC, 43) 17298b9484cSchristos RELOC_NUMBER (R_ARM_MOVT_ABS, 44) 17398b9484cSchristos RELOC_NUMBER (R_ARM_MOVW_PREL_NC, 45) 17498b9484cSchristos RELOC_NUMBER (R_ARM_MOVT_PREL, 46) 17598b9484cSchristos RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC, 47) 17698b9484cSchristos RELOC_NUMBER (R_ARM_THM_MOVT_ABS, 48) 17798b9484cSchristos RELOC_NUMBER (R_ARM_THM_MOVW_PREL_NC, 49) 17898b9484cSchristos RELOC_NUMBER (R_ARM_THM_MOVT_PREL, 50) 17998b9484cSchristos RELOC_NUMBER (R_ARM_THM_JUMP19, 51) 18098b9484cSchristos RELOC_NUMBER (R_ARM_THM_JUMP6, 52) 18198b9484cSchristos RELOC_NUMBER (R_ARM_THM_ALU_PREL_11_0, 53) 18298b9484cSchristos RELOC_NUMBER (R_ARM_THM_PC12, 54) 18398b9484cSchristos RELOC_NUMBER (R_ARM_ABS32_NOI, 55) 18498b9484cSchristos RELOC_NUMBER (R_ARM_REL32_NOI, 56) 18598b9484cSchristos RELOC_NUMBER (R_ARM_ALU_PC_G0_NC, 57) 18698b9484cSchristos RELOC_NUMBER (R_ARM_ALU_PC_G0, 58) 18798b9484cSchristos RELOC_NUMBER (R_ARM_ALU_PC_G1_NC, 59) 18898b9484cSchristos RELOC_NUMBER (R_ARM_ALU_PC_G1, 60) 18998b9484cSchristos RELOC_NUMBER (R_ARM_ALU_PC_G2, 61) 19098b9484cSchristos RELOC_NUMBER (R_ARM_LDR_PC_G1, 62) 19198b9484cSchristos RELOC_NUMBER (R_ARM_LDR_PC_G2, 63) 19298b9484cSchristos RELOC_NUMBER (R_ARM_LDRS_PC_G0, 64) 19398b9484cSchristos RELOC_NUMBER (R_ARM_LDRS_PC_G1, 65) 19498b9484cSchristos RELOC_NUMBER (R_ARM_LDRS_PC_G2, 66) 19598b9484cSchristos RELOC_NUMBER (R_ARM_LDC_PC_G0, 67) 19698b9484cSchristos RELOC_NUMBER (R_ARM_LDC_PC_G1, 68) 19798b9484cSchristos RELOC_NUMBER (R_ARM_LDC_PC_G2, 69) 19898b9484cSchristos RELOC_NUMBER (R_ARM_ALU_SB_G0_NC, 70) 19998b9484cSchristos RELOC_NUMBER (R_ARM_ALU_SB_G0, 71) 20098b9484cSchristos RELOC_NUMBER (R_ARM_ALU_SB_G1_NC, 72) 20198b9484cSchristos RELOC_NUMBER (R_ARM_ALU_SB_G1, 73) 20298b9484cSchristos RELOC_NUMBER (R_ARM_ALU_SB_G2, 74) 20398b9484cSchristos RELOC_NUMBER (R_ARM_LDR_SB_G0, 75) 20498b9484cSchristos RELOC_NUMBER (R_ARM_LDR_SB_G1, 76) 20598b9484cSchristos RELOC_NUMBER (R_ARM_LDR_SB_G2, 77) 20698b9484cSchristos RELOC_NUMBER (R_ARM_LDRS_SB_G0, 78) 20798b9484cSchristos RELOC_NUMBER (R_ARM_LDRS_SB_G1, 79) 20898b9484cSchristos RELOC_NUMBER (R_ARM_LDRS_SB_G2, 80) 20998b9484cSchristos RELOC_NUMBER (R_ARM_LDC_SB_G0, 81) 21098b9484cSchristos RELOC_NUMBER (R_ARM_LDC_SB_G1, 82) 21198b9484cSchristos RELOC_NUMBER (R_ARM_LDC_SB_G2, 83) 21298b9484cSchristos RELOC_NUMBER (R_ARM_MOVW_BREL_NC, 84) 21398b9484cSchristos RELOC_NUMBER (R_ARM_MOVT_BREL, 85) 21498b9484cSchristos RELOC_NUMBER (R_ARM_MOVW_BREL, 86) 21598b9484cSchristos RELOC_NUMBER (R_ARM_THM_MOVW_BREL_NC, 87) 21698b9484cSchristos RELOC_NUMBER (R_ARM_THM_MOVT_BREL, 88) 21798b9484cSchristos RELOC_NUMBER (R_ARM_THM_MOVW_BREL, 89) 21898b9484cSchristos RELOC_NUMBER (R_ARM_TLS_GOTDESC, 90) 21998b9484cSchristos RELOC_NUMBER (R_ARM_TLS_CALL, 91) 22098b9484cSchristos RELOC_NUMBER (R_ARM_TLS_DESCSEQ, 92) 22198b9484cSchristos RELOC_NUMBER (R_ARM_THM_TLS_CALL, 93) 22298b9484cSchristos RELOC_NUMBER (R_ARM_PLT32_ABS, 94) 22398b9484cSchristos RELOC_NUMBER (R_ARM_GOT_ABS, 95) 22498b9484cSchristos RELOC_NUMBER (R_ARM_GOT_PREL, 96) 22598b9484cSchristos RELOC_NUMBER (R_ARM_GOT_BREL12, 97) 22698b9484cSchristos RELOC_NUMBER (R_ARM_GOTOFF12, 98) 22798b9484cSchristos RELOC_NUMBER (R_ARM_GOTRELAX, 99) 22898b9484cSchristos RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) /* deprecated - old C++ abi */ 22998b9484cSchristos RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) /* deprecated - old C++ abi */ 23098b9484cSchristos RELOC_NUMBER (R_ARM_THM_JUMP11, 102) 23198b9484cSchristos RELOC_NUMBER (R_ARM_THM_JUMP8, 103) 23298b9484cSchristos RELOC_NUMBER (R_ARM_TLS_GD32, 104) 23398b9484cSchristos RELOC_NUMBER (R_ARM_TLS_LDM32, 105) 23498b9484cSchristos RELOC_NUMBER (R_ARM_TLS_LDO32, 106) 23598b9484cSchristos RELOC_NUMBER (R_ARM_TLS_IE32, 107) 23698b9484cSchristos RELOC_NUMBER (R_ARM_TLS_LE32, 108) 23798b9484cSchristos RELOC_NUMBER (R_ARM_TLS_LDO12, 109) 23898b9484cSchristos RELOC_NUMBER (R_ARM_TLS_LE12, 110) 23998b9484cSchristos RELOC_NUMBER (R_ARM_TLS_IE12GP, 111) 24098b9484cSchristos /* 112 - 127 private range */ 24198b9484cSchristos RELOC_NUMBER (R_ARM_ME_TOO, 128) /* obsolete */ 24298b9484cSchristos RELOC_NUMBER (R_ARM_THM_TLS_DESCSEQ ,129) 24398b9484cSchristos 244ba340e45Schristos RELOC_NUMBER (R_ARM_THM_ALU_ABS_G0_NC,132) 245ba340e45Schristos RELOC_NUMBER (R_ARM_THM_ALU_ABS_G1_NC,133) 246ba340e45Schristos RELOC_NUMBER (R_ARM_THM_ALU_ABS_G2_NC,134) 247ba340e45Schristos RELOC_NUMBER (R_ARM_THM_ALU_ABS_G3_NC,135) 2488dffb485Schristos RELOC_NUMBER (R_ARM_THM_BF16, 136) 2498dffb485Schristos RELOC_NUMBER (R_ARM_THM_BF12, 137) 2508dffb485Schristos RELOC_NUMBER (R_ARM_THM_BF18, 138) 251ba340e45Schristos 25298b9484cSchristos RELOC_NUMBER (R_ARM_IRELATIVE, 160) 2534559860eSchristos RELOC_NUMBER (R_ARM_GOTFUNCDESC, 161) 2544559860eSchristos RELOC_NUMBER (R_ARM_GOTOFFFUNCDESC, 162) 2554559860eSchristos RELOC_NUMBER (R_ARM_FUNCDESC, 163) 2564559860eSchristos RELOC_NUMBER (R_ARM_FUNCDESC_VALUE, 164) 2574559860eSchristos RELOC_NUMBER (R_ARM_TLS_GD32_FDPIC, 165) 2584559860eSchristos RELOC_NUMBER (R_ARM_TLS_LDM32_FDPIC, 166) 2594559860eSchristos RELOC_NUMBER (R_ARM_TLS_IE32_FDPIC, 167) 26098b9484cSchristos 26198b9484cSchristos /* Extensions? R=read-only? */ 26298b9484cSchristos RELOC_NUMBER (R_ARM_RXPC25, 249) 26398b9484cSchristos RELOC_NUMBER (R_ARM_RSBREL32, 250) 26498b9484cSchristos RELOC_NUMBER (R_ARM_THM_RPC22, 251) 26598b9484cSchristos RELOC_NUMBER (R_ARM_RREL32, 252) 26698b9484cSchristos RELOC_NUMBER (R_ARM_RABS32, 253) 26798b9484cSchristos RELOC_NUMBER (R_ARM_RPC24, 254) 26898b9484cSchristos RELOC_NUMBER (R_ARM_RBASE, 255) 26998b9484cSchristos 27098b9484cSchristos /* Unofficial names for some of the relocs. */ 27198b9484cSchristos FAKE_RELOC (R_ARM_GOTOFF, R_ARM_GOTOFF32) /* 32 bit offset to GOT. */ 27298b9484cSchristos FAKE_RELOC (R_ARM_THM_PC22, R_ARM_THM_CALL) 27398b9484cSchristos FAKE_RELOC (R_ARM_THM_PC11, R_ARM_THM_JUMP11) 27498b9484cSchristos FAKE_RELOC (R_ARM_THM_PC9, R_ARM_THM_JUMP8) 27598b9484cSchristos 27698b9484cSchristos /* Relocs with both a different name, and (apparently) different meaning in 27798b9484cSchristos GNU usage. */ 27898b9484cSchristos FAKE_RELOC (R_ARM_GOTPC, R_ARM_BASE_PREL) /* 32 bit PC relative offset to GOT. */ 27998b9484cSchristos FAKE_RELOC (R_ARM_GOT32, R_ARM_GOT_BREL) /* 32 bit GOT entry. */ 28098b9484cSchristos FAKE_RELOC (R_ARM_ROSEGREL32, R_ARM_SBREL31) /* ??? */ 28198b9484cSchristos FAKE_RELOC (R_ARM_AMP_VCALL9, R_ARM_BREL_ADJ) /* Thumb-something. Not used. */ 28298b9484cSchristos 28398b9484cSchristos END_RELOC_NUMBERS (R_ARM_max = 256) 28498b9484cSchristos 28598b9484cSchristos #ifdef BFD_ARCH_SIZE 28698b9484cSchristos /* EABI object attributes. */ 28798b9484cSchristos 28898b9484cSchristos enum 28998b9484cSchristos { 29098b9484cSchristos /* 0-3 are generic. */ 29198b9484cSchristos Tag_CPU_raw_name = 4, 29298b9484cSchristos Tag_CPU_name, 29398b9484cSchristos Tag_CPU_arch, 29498b9484cSchristos Tag_CPU_arch_profile, 29598b9484cSchristos Tag_ARM_ISA_use, 29698b9484cSchristos Tag_THUMB_ISA_use, 29798b9484cSchristos Tag_FP_arch, 29898b9484cSchristos Tag_WMMX_arch, 29998b9484cSchristos Tag_Advanced_SIMD_arch, 30098b9484cSchristos Tag_PCS_config, 30198b9484cSchristos Tag_ABI_PCS_R9_use, 30298b9484cSchristos Tag_ABI_PCS_RW_data, 30398b9484cSchristos Tag_ABI_PCS_RO_data, 30498b9484cSchristos Tag_ABI_PCS_GOT_use, 30598b9484cSchristos Tag_ABI_PCS_wchar_t, 30698b9484cSchristos Tag_ABI_FP_rounding, 30798b9484cSchristos Tag_ABI_FP_denormal, 30898b9484cSchristos Tag_ABI_FP_exceptions, 30998b9484cSchristos Tag_ABI_FP_user_exceptions, 31098b9484cSchristos Tag_ABI_FP_number_model, 31198b9484cSchristos Tag_ABI_align_needed, 31298b9484cSchristos Tag_ABI_align_preserved, 31398b9484cSchristos Tag_ABI_enum_size, 31498b9484cSchristos Tag_ABI_HardFP_use, 31598b9484cSchristos Tag_ABI_VFP_args, 31698b9484cSchristos Tag_ABI_WMMX_args, 31798b9484cSchristos Tag_ABI_optimization_goals, 31898b9484cSchristos Tag_ABI_FP_optimization_goals, 31998b9484cSchristos /* 32 is generic (Tag_compatibility). */ 32098b9484cSchristos Tag_undefined33 = 33, 32198b9484cSchristos Tag_CPU_unaligned_access, 32298b9484cSchristos Tag_undefined35, 32398b9484cSchristos Tag_FP_HP_extension, 32498b9484cSchristos Tag_undefined37, 32598b9484cSchristos Tag_ABI_FP_16bit_format, 32698b9484cSchristos Tag_undefined39, 32798b9484cSchristos Tag_undefined40, 32898b9484cSchristos Tag_undefined41, 32998b9484cSchristos Tag_MPextension_use, 33098b9484cSchristos Tag_undefined_43, 33198b9484cSchristos Tag_DIV_use, 332ba340e45Schristos Tag_DSP_extension = 46, 3338dffb485Schristos Tag_MVE_arch = 48, 3344b169a6bSchristos Tag_PAC_extension = 50, 3354b169a6bSchristos Tag_BTI_extension = 52, 3364b169a6bSchristos Tag_BTI_use = 74, 3374b169a6bSchristos Tag_PACRET_use = 76, 33898b9484cSchristos Tag_nodefaults = 64, 33998b9484cSchristos Tag_also_compatible_with, 34098b9484cSchristos Tag_T2EE_use, 34198b9484cSchristos Tag_conformance, 34298b9484cSchristos Tag_Virtualization_use, 34398b9484cSchristos Tag_undefined69, 34498b9484cSchristos Tag_MPextension_use_legacy, 34598b9484cSchristos 34698b9484cSchristos /* The following tags are legacy names for other tags. */ 34798b9484cSchristos Tag_VFP_arch = Tag_FP_arch, 34898b9484cSchristos Tag_ABI_align8_needed = Tag_ABI_align_needed, 34998b9484cSchristos Tag_ABI_align8_preserved = Tag_ABI_align_preserved, 35098b9484cSchristos Tag_VFP_HP_extension = Tag_FP_HP_extension 35198b9484cSchristos }; 35298b9484cSchristos 353968cf8f2Schristos /* Values for Tag_ABI_FP_number_model. */ 354968cf8f2Schristos enum 355968cf8f2Schristos { 356968cf8f2Schristos AEABI_FP_number_model_none = 0, 357968cf8f2Schristos AEABI_FP_number_model_ieee754_number = 1, 358968cf8f2Schristos AEABI_FP_number_model_rtabi = 2, 359968cf8f2Schristos AEABI_FP_number_model_ieee754_all = 3 360968cf8f2Schristos }; 361968cf8f2Schristos 362968cf8f2Schristos /* Values for Tag_ABI_VFP_args. */ 363968cf8f2Schristos enum 364968cf8f2Schristos { 365968cf8f2Schristos AEABI_VFP_args_base = 0, 366968cf8f2Schristos AEABI_VFP_args_vfp = 1, 367968cf8f2Schristos AEABI_VFP_args_toolchain = 2, 368968cf8f2Schristos AEABI_VFP_args_compatible = 3 369968cf8f2Schristos }; 37098b9484cSchristos #endif 37198b9484cSchristos 37298b9484cSchristos /* The name of the note section used to identify arm variants. */ 37398b9484cSchristos #define ARM_NOTE_SECTION ".note.gnu.arm.ident" 37498b9484cSchristos 37598b9484cSchristos /* Special section names. */ 37698b9484cSchristos #define ELF_STRING_ARM_unwind ".ARM.exidx" 37798b9484cSchristos #define ELF_STRING_ARM_unwind_info ".ARM.extab" 37898b9484cSchristos #define ELF_STRING_ARM_unwind_once ".gnu.linkonce.armexidx." 37998b9484cSchristos #define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab." 38098b9484cSchristos 38198b9484cSchristos enum arm_st_branch_type { 38298b9484cSchristos ST_BRANCH_TO_ARM, 38398b9484cSchristos ST_BRANCH_TO_THUMB, 384a2e2270fSchristos ST_BRANCH_LONG, 385ba340e45Schristos ST_BRANCH_UNKNOWN, 386ba340e45Schristos ST_BRANCH_ENUM_SIZE 38798b9484cSchristos }; 38898b9484cSchristos 389ba340e45Schristos #define NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS 2 390ba340e45Schristos #define ENUM_ARM_ST_BRANCH_TYPE_BITMASK \ 391ba340e45Schristos ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) - 1) 392ba340e45Schristos 393ba340e45Schristos #define ARM_GET_SYM_BRANCH_TYPE(STI) \ 394ba340e45Schristos ((enum arm_st_branch_type) ((STI) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)) 395ba340e45Schristos #ifdef BFD_ASSERT 396ba340e45Schristos #define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE) \ 397ba340e45Schristos do { \ 398ba340e45Schristos BFD_ASSERT (TYPE <= ST_BRANCH_ENUM_SIZE); \ 399ba340e45Schristos BFD_ASSERT ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) \ 400ba340e45Schristos >= ST_BRANCH_ENUM_SIZE); \ 401ba340e45Schristos (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK) \ 402ba340e45Schristos | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)); \ 403ba340e45Schristos } while (0) 404ba340e45Schristos #else 405ba340e45Schristos #define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE) \ 406ba340e45Schristos (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK) \ 407ba340e45Schristos | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)) 408ba340e45Schristos #endif 40998b9484cSchristos 41098b9484cSchristos #endif /* _ELF_ARM_H */ 411