1*fae548d3Szrj /* ARM ELF support for BFD. 2*fae548d3Szrj Copyright (C) 1998-2020 Free Software Foundation, Inc. 3*fae548d3Szrj 4*fae548d3Szrj This file is part of BFD, the Binary File Descriptor library. 5*fae548d3Szrj 6*fae548d3Szrj This program is free software; you can redistribute it and/or modify 7*fae548d3Szrj it under the terms of the GNU General Public License as published by 8*fae548d3Szrj the Free Software Foundation; either version 3 of the License, or 9*fae548d3Szrj (at your option) any later version. 10*fae548d3Szrj 11*fae548d3Szrj This program is distributed in the hope that it will be useful, 12*fae548d3Szrj but WITHOUT ANY WARRANTY; without even the implied warranty of 13*fae548d3Szrj MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*fae548d3Szrj GNU General Public License for more details. 15*fae548d3Szrj 16*fae548d3Szrj You should have received a copy of the GNU General Public License 17*fae548d3Szrj along with this program; if not, write to the Free Software Foundation, 18*fae548d3Szrj Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 19*fae548d3Szrj 20*fae548d3Szrj #ifndef _ELF_ARM_H 21*fae548d3Szrj #define _ELF_ARM_H 22*fae548d3Szrj 23*fae548d3Szrj #include "elf/reloc-macros.h" 24*fae548d3Szrj 25*fae548d3Szrj /* Processor specific flags for the ELF header e_flags field. */ 26*fae548d3Szrj 27*fae548d3Szrj /* Old ABI (ie GNU pre EABI). These are deprecated. */ 28*fae548d3Szrj #define EF_ARM_RELEXEC 0x01 29*fae548d3Szrj #define EF_ARM_INTERWORK 0x04 30*fae548d3Szrj #define EF_ARM_APCS_26 0x08 31*fae548d3Szrj #define EF_ARM_APCS_FLOAT 0x10 32*fae548d3Szrj #define EF_ARM_PIC 0x20 33*fae548d3Szrj #define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use. */ 34*fae548d3Szrj #define EF_ARM_NEW_ABI 0x80 35*fae548d3Szrj #define EF_ARM_OLD_ABI 0x100 36*fae548d3Szrj #define EF_ARM_SOFT_FLOAT 0x200 37*fae548d3Szrj #define EF_ARM_VFP_FLOAT 0x400 38*fae548d3Szrj #define EF_ARM_MAVERICK_FLOAT 0x800 39*fae548d3Szrj 40*fae548d3Szrj /* Frame unwind information */ 41*fae548d3Szrj #define PT_ARM_EXIDX (PT_LOPROC + 1) 42*fae548d3Szrj 43*fae548d3Szrj /* Old ARM ELF spec. version B-01. Mostly deprecated. */ 44*fae548d3Szrj #define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK. */ 45*fae548d3Szrj #define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26. */ 46*fae548d3Szrj #define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT. */ 47*fae548d3Szrj 48*fae548d3Szrj /* New constants defined in the ARM ELF spec. version XXX (AAELF). 49*fae548d3Szrj Only valid in conjunction with EF_ARM_EABI_VER5. */ 50*fae548d3Szrj #define EF_ARM_ABI_FLOAT_SOFT 0x200 /* NB conflicts with EF_ARM_SOFT_FLOAT. */ 51*fae548d3Szrj #define EF_ARM_ABI_FLOAT_HARD 0x400 /* NB conflicts with EF_ARM_VFP_FLOAT. */ 52*fae548d3Szrj 53*fae548d3Szrj /* Constants defined in AAELF. */ 54*fae548d3Szrj #define EF_ARM_BE8 0x00800000 55*fae548d3Szrj #define EF_ARM_LE8 0x00400000 56*fae548d3Szrj 57*fae548d3Szrj #define EF_ARM_EABIMASK 0xFF000000 58*fae548d3Szrj #define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) 59*fae548d3Szrj #define EF_ARM_EABI_UNKNOWN 0x00000000 60*fae548d3Szrj #define EF_ARM_EABI_VER1 0x01000000 61*fae548d3Szrj #define EF_ARM_EABI_VER2 0x02000000 62*fae548d3Szrj #define EF_ARM_EABI_VER3 0x03000000 63*fae548d3Szrj #define EF_ARM_EABI_VER4 0x04000000 64*fae548d3Szrj #define EF_ARM_EABI_VER5 0x05000000 65*fae548d3Szrj 66*fae548d3Szrj /* Local aliases for some flags to match names used by COFF port. */ 67*fae548d3Szrj #define F_INTERWORK EF_ARM_INTERWORK 68*fae548d3Szrj #define F_APCS26 EF_ARM_APCS_26 69*fae548d3Szrj #define F_APCS_FLOAT EF_ARM_APCS_FLOAT 70*fae548d3Szrj #define F_PIC EF_ARM_PIC 71*fae548d3Szrj #define F_SOFT_FLOAT EF_ARM_SOFT_FLOAT 72*fae548d3Szrj #define F_VFP_FLOAT EF_ARM_VFP_FLOAT 73*fae548d3Szrj 74*fae548d3Szrj /* Additional symbol types for Thumb. */ 75*fae548d3Szrj #define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */ 76*fae548d3Szrj #define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */ 77*fae548d3Szrj 78*fae548d3Szrj /* Additional section types. */ 79*fae548d3Szrj #define SHT_ARM_EXIDX 0x70000001 /* Section holds ARM unwind info. */ 80*fae548d3Szrj #define SHT_ARM_PREEMPTMAP 0x70000002 /* Section pre-emption details. */ 81*fae548d3Szrj #define SHT_ARM_ATTRIBUTES 0x70000003 /* Section holds attributes. */ 82*fae548d3Szrj #define SHT_ARM_DEBUGOVERLAY 0x70000004 /* Section holds overlay debug info. */ 83*fae548d3Szrj #define SHT_ARM_OVERLAYSECTION 0x70000005 /* Section holds GDB and overlay integration info. */ 84*fae548d3Szrj 85*fae548d3Szrj /* ARM-specific values for sh_flags. */ 86*fae548d3Szrj #define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */ 87*fae548d3Szrj #define SHF_ARM_PURECODE 0x20000000 /* Section contains only code and no data. */ 88*fae548d3Szrj #define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */ 89*fae548d3Szrj 90*fae548d3Szrj /* ARM-specific program header flags. */ 91*fae548d3Szrj #define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */ 92*fae548d3Szrj #define PF_ARM_PI 0x20000000 /* Segment is position-independent. */ 93*fae548d3Szrj #define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */ 94*fae548d3Szrj 95*fae548d3Szrj /* Values for the Tag_CPU_arch EABI attribute. */ 96*fae548d3Szrj #define TAG_CPU_ARCH_PRE_V4 0 97*fae548d3Szrj #define TAG_CPU_ARCH_V4 1 98*fae548d3Szrj #define TAG_CPU_ARCH_V4T 2 99*fae548d3Szrj #define TAG_CPU_ARCH_V5T 3 100*fae548d3Szrj #define TAG_CPU_ARCH_V5TE 4 101*fae548d3Szrj #define TAG_CPU_ARCH_V5TEJ 5 102*fae548d3Szrj #define TAG_CPU_ARCH_V6 6 103*fae548d3Szrj #define TAG_CPU_ARCH_V6KZ 7 104*fae548d3Szrj #define TAG_CPU_ARCH_V6T2 8 105*fae548d3Szrj #define TAG_CPU_ARCH_V6K 9 106*fae548d3Szrj #define TAG_CPU_ARCH_V7 10 107*fae548d3Szrj #define TAG_CPU_ARCH_V6_M 11 108*fae548d3Szrj #define TAG_CPU_ARCH_V6S_M 12 109*fae548d3Szrj #define TAG_CPU_ARCH_V7E_M 13 110*fae548d3Szrj #define TAG_CPU_ARCH_V8 14 111*fae548d3Szrj #define TAG_CPU_ARCH_V8R 15 112*fae548d3Szrj #define TAG_CPU_ARCH_V8M_BASE 16 113*fae548d3Szrj #define TAG_CPU_ARCH_V8M_MAIN 17 114*fae548d3Szrj #define TAG_CPU_ARCH_V8_1M_MAIN 21 115*fae548d3Szrj #define MAX_TAG_CPU_ARCH TAG_CPU_ARCH_V8_1M_MAIN 116*fae548d3Szrj /* Pseudo-architecture to allow objects to be compatible with the subset of 117*fae548d3Szrj armv4t and armv6-m. This value should never be stored in object files. */ 118*fae548d3Szrj #define TAG_CPU_ARCH_V4T_PLUS_V6_M (MAX_TAG_CPU_ARCH + 1) 119*fae548d3Szrj 120*fae548d3Szrj /* Relocation types. */ 121*fae548d3Szrj 122*fae548d3Szrj START_RELOC_NUMBERS (elf_arm_reloc_type) 123*fae548d3Szrj /* AAELF official names and numbers. */ 124*fae548d3Szrj RELOC_NUMBER (R_ARM_NONE, 0) 125*fae548d3Szrj RELOC_NUMBER (R_ARM_PC24, 1) /* deprecated */ 126*fae548d3Szrj RELOC_NUMBER (R_ARM_ABS32, 2) 127*fae548d3Szrj RELOC_NUMBER (R_ARM_REL32, 3) 128*fae548d3Szrj RELOC_NUMBER (R_ARM_LDR_PC_G0, 4) 129*fae548d3Szrj RELOC_NUMBER (R_ARM_ABS16, 5) 130*fae548d3Szrj RELOC_NUMBER (R_ARM_ABS12, 6) 131*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_ABS5, 7) 132*fae548d3Szrj RELOC_NUMBER (R_ARM_ABS8, 8) 133*fae548d3Szrj RELOC_NUMBER (R_ARM_SBREL32, 9) 134*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_CALL, 10) 135*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_PC8, 11) 136*fae548d3Szrj RELOC_NUMBER (R_ARM_BREL_ADJ, 12) 137*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_DESC, 13) 138*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_SWI8, 14) /* obsolete */ 139*fae548d3Szrj RELOC_NUMBER (R_ARM_XPC25, 15) /* obsolete */ 140*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_XPC22, 16) /* obsolete */ 141*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_DTPMOD32, 17) 142*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_DTPOFF32, 18) 143*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_TPOFF32, 19) 144*fae548d3Szrj RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */ 145*fae548d3Szrj RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */ 146*fae548d3Szrj RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */ 147*fae548d3Szrj RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */ 148*fae548d3Szrj RELOC_NUMBER (R_ARM_GOTOFF32, 24) /* 32 bit offset to GOT. */ 149*fae548d3Szrj RELOC_NUMBER (R_ARM_BASE_PREL, 25) /* 32 bit PC relative offset to GOT. */ 150*fae548d3Szrj RELOC_NUMBER (R_ARM_GOT_BREL, 26) /* 32 bit GOT entry. */ 151*fae548d3Szrj RELOC_NUMBER (R_ARM_PLT32, 27) /* deprecated - 32 bit PLT address. */ 152*fae548d3Szrj RELOC_NUMBER (R_ARM_CALL, 28) 153*fae548d3Szrj RELOC_NUMBER (R_ARM_JUMP24, 29) 154*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_JUMP24, 30) 155*fae548d3Szrj RELOC_NUMBER (R_ARM_BASE_ABS, 31) 156*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) /* obsolete */ 157*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) /* obsolete */ 158*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) /* obsolete */ 159*fae548d3Szrj RELOC_NUMBER (R_ARM_LDR_SBREL_11_0, 35) /* deprecated, should have _NC suffix */ 160*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_SBREL_19_12, 36) /* deprecated, should have _NC suffix */ 161*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_SBREL_27_20, 37) /* deprecated, should have _CK suffix */ 162*fae548d3Szrj RELOC_NUMBER (R_ARM_TARGET1, 38) 163*fae548d3Szrj RELOC_NUMBER (R_ARM_SBREL31, 39) /* deprecated */ 164*fae548d3Szrj RELOC_NUMBER (R_ARM_V4BX, 40) 165*fae548d3Szrj RELOC_NUMBER (R_ARM_TARGET2, 41) 166*fae548d3Szrj RELOC_NUMBER (R_ARM_PREL31, 42) 167*fae548d3Szrj RELOC_NUMBER (R_ARM_MOVW_ABS_NC, 43) 168*fae548d3Szrj RELOC_NUMBER (R_ARM_MOVT_ABS, 44) 169*fae548d3Szrj RELOC_NUMBER (R_ARM_MOVW_PREL_NC, 45) 170*fae548d3Szrj RELOC_NUMBER (R_ARM_MOVT_PREL, 46) 171*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_MOVW_ABS_NC, 47) 172*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_MOVT_ABS, 48) 173*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_MOVW_PREL_NC, 49) 174*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_MOVT_PREL, 50) 175*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_JUMP19, 51) 176*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_JUMP6, 52) 177*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_ALU_PREL_11_0, 53) 178*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_PC12, 54) 179*fae548d3Szrj RELOC_NUMBER (R_ARM_ABS32_NOI, 55) 180*fae548d3Szrj RELOC_NUMBER (R_ARM_REL32_NOI, 56) 181*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_PC_G0_NC, 57) 182*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_PC_G0, 58) 183*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_PC_G1_NC, 59) 184*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_PC_G1, 60) 185*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_PC_G2, 61) 186*fae548d3Szrj RELOC_NUMBER (R_ARM_LDR_PC_G1, 62) 187*fae548d3Szrj RELOC_NUMBER (R_ARM_LDR_PC_G2, 63) 188*fae548d3Szrj RELOC_NUMBER (R_ARM_LDRS_PC_G0, 64) 189*fae548d3Szrj RELOC_NUMBER (R_ARM_LDRS_PC_G1, 65) 190*fae548d3Szrj RELOC_NUMBER (R_ARM_LDRS_PC_G2, 66) 191*fae548d3Szrj RELOC_NUMBER (R_ARM_LDC_PC_G0, 67) 192*fae548d3Szrj RELOC_NUMBER (R_ARM_LDC_PC_G1, 68) 193*fae548d3Szrj RELOC_NUMBER (R_ARM_LDC_PC_G2, 69) 194*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_SB_G0_NC, 70) 195*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_SB_G0, 71) 196*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_SB_G1_NC, 72) 197*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_SB_G1, 73) 198*fae548d3Szrj RELOC_NUMBER (R_ARM_ALU_SB_G2, 74) 199*fae548d3Szrj RELOC_NUMBER (R_ARM_LDR_SB_G0, 75) 200*fae548d3Szrj RELOC_NUMBER (R_ARM_LDR_SB_G1, 76) 201*fae548d3Szrj RELOC_NUMBER (R_ARM_LDR_SB_G2, 77) 202*fae548d3Szrj RELOC_NUMBER (R_ARM_LDRS_SB_G0, 78) 203*fae548d3Szrj RELOC_NUMBER (R_ARM_LDRS_SB_G1, 79) 204*fae548d3Szrj RELOC_NUMBER (R_ARM_LDRS_SB_G2, 80) 205*fae548d3Szrj RELOC_NUMBER (R_ARM_LDC_SB_G0, 81) 206*fae548d3Szrj RELOC_NUMBER (R_ARM_LDC_SB_G1, 82) 207*fae548d3Szrj RELOC_NUMBER (R_ARM_LDC_SB_G2, 83) 208*fae548d3Szrj RELOC_NUMBER (R_ARM_MOVW_BREL_NC, 84) 209*fae548d3Szrj RELOC_NUMBER (R_ARM_MOVT_BREL, 85) 210*fae548d3Szrj RELOC_NUMBER (R_ARM_MOVW_BREL, 86) 211*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_MOVW_BREL_NC, 87) 212*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_MOVT_BREL, 88) 213*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_MOVW_BREL, 89) 214*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_GOTDESC, 90) 215*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_CALL, 91) 216*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_DESCSEQ, 92) 217*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_TLS_CALL, 93) 218*fae548d3Szrj RELOC_NUMBER (R_ARM_PLT32_ABS, 94) 219*fae548d3Szrj RELOC_NUMBER (R_ARM_GOT_ABS, 95) 220*fae548d3Szrj RELOC_NUMBER (R_ARM_GOT_PREL, 96) 221*fae548d3Szrj RELOC_NUMBER (R_ARM_GOT_BREL12, 97) 222*fae548d3Szrj RELOC_NUMBER (R_ARM_GOTOFF12, 98) 223*fae548d3Szrj RELOC_NUMBER (R_ARM_GOTRELAX, 99) 224*fae548d3Szrj RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) /* deprecated - old C++ abi */ 225*fae548d3Szrj RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) /* deprecated - old C++ abi */ 226*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_JUMP11, 102) 227*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_JUMP8, 103) 228*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_GD32, 104) 229*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_LDM32, 105) 230*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_LDO32, 106) 231*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_IE32, 107) 232*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_LE32, 108) 233*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_LDO12, 109) 234*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_LE12, 110) 235*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_IE12GP, 111) 236*fae548d3Szrj /* 112 - 127 private range */ 237*fae548d3Szrj RELOC_NUMBER (R_ARM_ME_TOO, 128) /* obsolete */ 238*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_TLS_DESCSEQ ,129) 239*fae548d3Szrj 240*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_ALU_ABS_G0_NC,132) 241*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_ALU_ABS_G1_NC,133) 242*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_ALU_ABS_G2_NC,134) 243*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_ALU_ABS_G3_NC,135) 244*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_BF16, 136) 245*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_BF12, 137) 246*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_BF18, 138) 247*fae548d3Szrj 248*fae548d3Szrj RELOC_NUMBER (R_ARM_IRELATIVE, 160) 249*fae548d3Szrj RELOC_NUMBER (R_ARM_GOTFUNCDESC, 161) 250*fae548d3Szrj RELOC_NUMBER (R_ARM_GOTOFFFUNCDESC, 162) 251*fae548d3Szrj RELOC_NUMBER (R_ARM_FUNCDESC, 163) 252*fae548d3Szrj RELOC_NUMBER (R_ARM_FUNCDESC_VALUE, 164) 253*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_GD32_FDPIC, 165) 254*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_LDM32_FDPIC, 166) 255*fae548d3Szrj RELOC_NUMBER (R_ARM_TLS_IE32_FDPIC, 167) 256*fae548d3Szrj 257*fae548d3Szrj /* Extensions? R=read-only? */ 258*fae548d3Szrj RELOC_NUMBER (R_ARM_RXPC25, 249) 259*fae548d3Szrj RELOC_NUMBER (R_ARM_RSBREL32, 250) 260*fae548d3Szrj RELOC_NUMBER (R_ARM_THM_RPC22, 251) 261*fae548d3Szrj RELOC_NUMBER (R_ARM_RREL32, 252) 262*fae548d3Szrj RELOC_NUMBER (R_ARM_RABS32, 253) 263*fae548d3Szrj RELOC_NUMBER (R_ARM_RPC24, 254) 264*fae548d3Szrj RELOC_NUMBER (R_ARM_RBASE, 255) 265*fae548d3Szrj 266*fae548d3Szrj /* Unofficial names for some of the relocs. */ 267*fae548d3Szrj FAKE_RELOC (R_ARM_GOTOFF, R_ARM_GOTOFF32) /* 32 bit offset to GOT. */ 268*fae548d3Szrj FAKE_RELOC (R_ARM_THM_PC22, R_ARM_THM_CALL) 269*fae548d3Szrj FAKE_RELOC (R_ARM_THM_PC11, R_ARM_THM_JUMP11) 270*fae548d3Szrj FAKE_RELOC (R_ARM_THM_PC9, R_ARM_THM_JUMP8) 271*fae548d3Szrj 272*fae548d3Szrj /* Relocs with both a different name, and (apparently) different meaning in 273*fae548d3Szrj GNU usage. */ 274*fae548d3Szrj FAKE_RELOC (R_ARM_GOTPC, R_ARM_BASE_PREL) /* 32 bit PC relative offset to GOT. */ 275*fae548d3Szrj FAKE_RELOC (R_ARM_GOT32, R_ARM_GOT_BREL) /* 32 bit GOT entry. */ 276*fae548d3Szrj FAKE_RELOC (R_ARM_ROSEGREL32, R_ARM_SBREL31) /* ??? */ 277*fae548d3Szrj FAKE_RELOC (R_ARM_AMP_VCALL9, R_ARM_BREL_ADJ) /* Thumb-something. Not used. */ 278*fae548d3Szrj 279*fae548d3Szrj END_RELOC_NUMBERS (R_ARM_max = 256) 280*fae548d3Szrj 281*fae548d3Szrj #ifdef BFD_ARCH_SIZE 282*fae548d3Szrj /* EABI object attributes. */ 283*fae548d3Szrj 284*fae548d3Szrj enum 285*fae548d3Szrj { 286*fae548d3Szrj /* 0-3 are generic. */ 287*fae548d3Szrj Tag_CPU_raw_name = 4, 288*fae548d3Szrj Tag_CPU_name, 289*fae548d3Szrj Tag_CPU_arch, 290*fae548d3Szrj Tag_CPU_arch_profile, 291*fae548d3Szrj Tag_ARM_ISA_use, 292*fae548d3Szrj Tag_THUMB_ISA_use, 293*fae548d3Szrj Tag_FP_arch, 294*fae548d3Szrj Tag_WMMX_arch, 295*fae548d3Szrj Tag_Advanced_SIMD_arch, 296*fae548d3Szrj Tag_PCS_config, 297*fae548d3Szrj Tag_ABI_PCS_R9_use, 298*fae548d3Szrj Tag_ABI_PCS_RW_data, 299*fae548d3Szrj Tag_ABI_PCS_RO_data, 300*fae548d3Szrj Tag_ABI_PCS_GOT_use, 301*fae548d3Szrj Tag_ABI_PCS_wchar_t, 302*fae548d3Szrj Tag_ABI_FP_rounding, 303*fae548d3Szrj Tag_ABI_FP_denormal, 304*fae548d3Szrj Tag_ABI_FP_exceptions, 305*fae548d3Szrj Tag_ABI_FP_user_exceptions, 306*fae548d3Szrj Tag_ABI_FP_number_model, 307*fae548d3Szrj Tag_ABI_align_needed, 308*fae548d3Szrj Tag_ABI_align_preserved, 309*fae548d3Szrj Tag_ABI_enum_size, 310*fae548d3Szrj Tag_ABI_HardFP_use, 311*fae548d3Szrj Tag_ABI_VFP_args, 312*fae548d3Szrj Tag_ABI_WMMX_args, 313*fae548d3Szrj Tag_ABI_optimization_goals, 314*fae548d3Szrj Tag_ABI_FP_optimization_goals, 315*fae548d3Szrj /* 32 is generic (Tag_compatibility). */ 316*fae548d3Szrj Tag_undefined33 = 33, 317*fae548d3Szrj Tag_CPU_unaligned_access, 318*fae548d3Szrj Tag_undefined35, 319*fae548d3Szrj Tag_FP_HP_extension, 320*fae548d3Szrj Tag_undefined37, 321*fae548d3Szrj Tag_ABI_FP_16bit_format, 322*fae548d3Szrj Tag_undefined39, 323*fae548d3Szrj Tag_undefined40, 324*fae548d3Szrj Tag_undefined41, 325*fae548d3Szrj Tag_MPextension_use, 326*fae548d3Szrj Tag_undefined_43, 327*fae548d3Szrj Tag_DIV_use, 328*fae548d3Szrj Tag_DSP_extension = 46, 329*fae548d3Szrj Tag_MVE_arch = 48, 330*fae548d3Szrj Tag_nodefaults = 64, 331*fae548d3Szrj Tag_also_compatible_with, 332*fae548d3Szrj Tag_T2EE_use, 333*fae548d3Szrj Tag_conformance, 334*fae548d3Szrj Tag_Virtualization_use, 335*fae548d3Szrj Tag_undefined69, 336*fae548d3Szrj Tag_MPextension_use_legacy, 337*fae548d3Szrj 338*fae548d3Szrj /* The following tags are legacy names for other tags. */ 339*fae548d3Szrj Tag_VFP_arch = Tag_FP_arch, 340*fae548d3Szrj Tag_ABI_align8_needed = Tag_ABI_align_needed, 341*fae548d3Szrj Tag_ABI_align8_preserved = Tag_ABI_align_preserved, 342*fae548d3Szrj Tag_VFP_HP_extension = Tag_FP_HP_extension 343*fae548d3Szrj }; 344*fae548d3Szrj 345*fae548d3Szrj /* Values for Tag_ABI_FP_number_model. */ 346*fae548d3Szrj enum 347*fae548d3Szrj { 348*fae548d3Szrj AEABI_FP_number_model_none = 0, 349*fae548d3Szrj AEABI_FP_number_model_ieee754_number = 1, 350*fae548d3Szrj AEABI_FP_number_model_rtabi = 2, 351*fae548d3Szrj AEABI_FP_number_model_ieee754_all = 3 352*fae548d3Szrj }; 353*fae548d3Szrj 354*fae548d3Szrj /* Values for Tag_ABI_VFP_args. */ 355*fae548d3Szrj enum 356*fae548d3Szrj { 357*fae548d3Szrj AEABI_VFP_args_base = 0, 358*fae548d3Szrj AEABI_VFP_args_vfp = 1, 359*fae548d3Szrj AEABI_VFP_args_toolchain = 2, 360*fae548d3Szrj AEABI_VFP_args_compatible = 3 361*fae548d3Szrj }; 362*fae548d3Szrj #endif 363*fae548d3Szrj 364*fae548d3Szrj /* The name of the note section used to identify arm variants. */ 365*fae548d3Szrj #define ARM_NOTE_SECTION ".note.gnu.arm.ident" 366*fae548d3Szrj 367*fae548d3Szrj /* Special section names. */ 368*fae548d3Szrj #define ELF_STRING_ARM_unwind ".ARM.exidx" 369*fae548d3Szrj #define ELF_STRING_ARM_unwind_info ".ARM.extab" 370*fae548d3Szrj #define ELF_STRING_ARM_unwind_once ".gnu.linkonce.armexidx." 371*fae548d3Szrj #define ELF_STRING_ARM_unwind_info_once ".gnu.linkonce.armextab." 372*fae548d3Szrj 373*fae548d3Szrj enum arm_st_branch_type { 374*fae548d3Szrj ST_BRANCH_TO_ARM, 375*fae548d3Szrj ST_BRANCH_TO_THUMB, 376*fae548d3Szrj ST_BRANCH_LONG, 377*fae548d3Szrj ST_BRANCH_UNKNOWN, 378*fae548d3Szrj ST_BRANCH_ENUM_SIZE 379*fae548d3Szrj }; 380*fae548d3Szrj 381*fae548d3Szrj #define NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS 2 382*fae548d3Szrj #define ENUM_ARM_ST_BRANCH_TYPE_BITMASK \ 383*fae548d3Szrj ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) - 1) 384*fae548d3Szrj 385*fae548d3Szrj #define ARM_GET_SYM_BRANCH_TYPE(STI) \ 386*fae548d3Szrj ((enum arm_st_branch_type) ((STI) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)) 387*fae548d3Szrj #ifdef BFD_ASSERT 388*fae548d3Szrj #define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE) \ 389*fae548d3Szrj do { \ 390*fae548d3Szrj BFD_ASSERT (TYPE <= ST_BRANCH_ENUM_SIZE); \ 391*fae548d3Szrj BFD_ASSERT ((1 << NUM_ENUM_ARM_ST_BRANCH_TYPE_BITS) \ 392*fae548d3Szrj >= ST_BRANCH_ENUM_SIZE); \ 393*fae548d3Szrj (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK) \ 394*fae548d3Szrj | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)); \ 395*fae548d3Szrj } while (0) 396*fae548d3Szrj #else 397*fae548d3Szrj #define ARM_SET_SYM_BRANCH_TYPE(STI, TYPE) \ 398*fae548d3Szrj (STI) = (((STI) & ~ENUM_ARM_ST_BRANCH_TYPE_BITMASK) \ 399*fae548d3Szrj | ((TYPE) & ENUM_ARM_ST_BRANCH_TYPE_BITMASK)) 400*fae548d3Szrj #endif 401*fae548d3Szrj 402*fae548d3Szrj #endif /* _ELF_ARM_H */ 403