1 /* $NetBSD: elf_machdep.h,v 1.23 2025/12/08 22:27:52 andvar Exp $ */ 2 3 #ifndef _ARM_ELF_MACHDEP_H_ 4 #define _ARM_ELF_MACHDEP_H_ 5 6 #if !defined(_SYS_ELFDEFINITIONS_H_) 7 /* 8 * ARM ELF psABI symbols and GNU extensions. 9 */ 10 11 /* Processor specific flags for the ELF header e_flags field. */ 12 #define EF_ARM_RELEXEC 0x00000001 13 #define EF_ARM_HASENTRY 0x00000002 14 #define EF_ARM_INTERWORK 0x00000004 /* GNU binutils 000413 */ 15 #define EF_ARM_SYMSARESORTED 0x00000004 /* ARM ELF A08 */ 16 #define EF_ARM_APCS_26 0x00000008 /* GNU binutils 000413 */ 17 #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ARM ELF B01 */ 18 #define EF_ARM_APCS_FLOAT 0x00000010 /* GNU binutils 000413 */ 19 #define EF_ARM_MAPSYMSFIRST 0x00000010 /* ARM ELF B01 */ 20 #define EF_ARM_PIC 0x00000020 21 #define EF_ARM_ALIGN8 0x00000040 /* 8-bit structure alignment. */ 22 #define EF_ARM_NEW_ABI 0x00000080 23 #define EF_ARM_OLD_ABI 0x00000100 24 #define EF_ARM_SOFT_FLOAT 0x00000200 25 #define EF_ARM_BE8 0x00800000 26 #define EF_ARM_EABIMASK 0xff000000 27 #define EF_ARM_EABI_VER1 0x01000000 28 #define EF_ARM_EABI_VER2 0x02000000 29 #define EF_ARM_EABI_VER3 0x03000000 30 #define EF_ARM_EABI_VER4 0x04000000 31 #define EF_ARM_EABI_VER5 0x05000000 32 33 /* Processor specific relocation types */ 34 35 #define R_ARM_NONE 0 36 #define R_ARM_PC24 1 37 #define R_ARM_ABS32 2 38 #define R_ARM_REL32 3 39 #define R_ARM_PC13 4 40 #define R_ARM_ABS16 5 41 #define R_ARM_ABS12 6 42 #define R_ARM_THM_ABS5 7 43 #define R_ARM_ABS8 8 44 #define R_ARM_SBREL32 9 45 #define R_ARM_THM_PC22 10 46 #define R_ARM_THM_PC8 11 47 #define R_ARM_AMP_VCALL9 12 48 #define R_ARM_SWI24 13 49 #define R_ARM_THM_SWI8 14 50 #define R_ARM_XPC25 15 51 #define R_ARM_THM_XPC22 16 52 53 /* TLS relocations */ 54 #define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */ 55 #define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */ 56 #define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */ 57 58 /* 20-31 are reserved for ARM Linux. */ 59 #define R_ARM_COPY 20 60 #define R_ARM_GLOB_DAT 21 61 #define R_ARM_JUMP_SLOT 22 62 #define R_ARM_RELATIVE 23 63 #define R_ARM_GOTOFF 24 64 #define R_ARM_GOTPC 25 65 #define R_ARM_GOT32 26 66 #define R_ARM_PLT32 27 67 #define R_ARM_CALL 28 68 #define R_ARM_JUMP24 29 69 #define R_ARM_THM_JUMP24 30 70 #define R_ARM_BASE_ABS 31 71 #define R_ARM_ALU_PCREL_7_0 32 72 #define R_ARM_ALU_PCREL_15_8 33 73 #define R_ARM_ALU_PCREL_23_15 34 74 #define R_ARM_LDR_SBREL_11_0_NC 35 // deprecated 75 #define R_ARM_ALU_SBREL_19_12_NC 36 // deprecated 76 #define R_ARM_ALU_SBREL_27_20_CK 37 // deprecated 77 #define R_ARM_TARGET1 38 78 #define R_ARM_SBREL31 39 // deprecated 79 #define R_ARM_V4BX 40 80 #define R_ARM_TARGET2 41 81 #define R_ARM_PREL31 42 82 #define R_ARM_MOVW_ABS_NC 43 83 #define R_ARM_MOVT_ABS 44 84 #define R_ARM_MOVW_PREL_NC 45 85 #define R_ARM_MOVT_PREL 46 86 #define R_ARM_THM_MOVW_ABS_NC 47 87 #define R_ARM_THM_MOVT_ABS 48 88 #define R_ARM_THM_MOVW_PREL_NC 49 89 #define R_ARM_THM_MOVT_PREL 50 90 91 /* 96-111 are reserved to G++. */ 92 #define R_ARM_GNU_VTENTRY 100 93 #define R_ARM_GNU_VTINHERIT 101 94 #define R_ARM_THM_PC11 102 95 #define R_ARM_THM_PC9 103 96 97 /* More TLS relocations */ 98 #define R_ARM_TLS_GD32 104 /* PC-rel 32 bit for global dynamic */ 99 #define R_ARM_TLS_LDM32 105 /* PC-rel 32 bit for local dynamic */ 100 #define R_ARM_TLS_LDO32 106 /* 32 bit offset relative to TLS */ 101 #define R_ARM_TLS_IE32 107 /* PC-rel 32 bit for GOT entry of */ 102 #define R_ARM_TLS_LE32 108 103 #define R_ARM_TLS_LDO12 109 104 #define R_ARM_TLS_LE12 110 105 #define R_ARM_TLS_IE12GP 111 106 107 /* 112-127 are reserved for private experiments. */ 108 109 #define R_ARM_IRELATIVE 160 110 111 #define R_ARM_RXPC25 249 112 #define R_ARM_RSBREL32 250 113 #define R_ARM_THM_RPC22 251 114 #define R_ARM_RREL32 252 115 #define R_ARM_RABS32 253 116 #define R_ARM_RPC24 254 117 #define R_ARM_RBASE 255 118 119 /* Processor specific program header flags */ 120 #define PF_ARM_SB 0x10000000 121 #define PF_ARM_PI 0x20000000 122 123 /* Processor specific program header types */ 124 #define PT_ARM_EXIDX (PT_LOPROC + 1) 125 126 /* Processor specific section header flags */ 127 #define SHF_ENTRYSECT 0x10000000 128 #define SHF_COMDEF 0x80000000 129 130 /* Processor specific symbol types */ 131 #define STT_ARM_TFUNC STT_LOPROC 132 133 #endif /* !defined(_SYS_ELFDEFINITIONS_H_) */ 134 135 /* 136 * Local symbols. 137 */ 138 139 #if defined(__ARMEB__) 140 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB 141 #else 142 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB 143 #endif 144 145 #define ELF64_MACHDEP_ENDIANNESS XXX /* break compilation */ 146 #define ELF64_MACHDEP_ID_CASES \ 147 /* no 64-bit ELF machine types supported */ 148 149 #define ELF32_MACHDEP_ID_CASES \ 150 case EM_ARM: \ 151 break; 152 153 #define ELF32_MACHDEP_ID EM_ARM 154 155 #define KERN_ELFSIZE 32 156 #define ARCH_ELFSIZE 32 /* MD native binary size */ 157 158 #define R_TYPE(name) __CONCAT(R_ARM_,name) 159 160 /* Older NetBSD spellings. */ 161 #define R_ARM_ALU_SBREL_11_0 35 162 #define R_ARM_ALU_SBREL_19_12 36 163 #define R_ARM_ALU_SBREL_27_20 37 // deprecated 164 165 #define PF_ARM_ENTRY 0x80000000 166 167 #ifdef _KERNEL 168 #ifdef ELFSIZE 169 #define ELF_MD_PROBE_FUNC ELFNAME2(arm_netbsd,probe) 170 #define ELF_MD_COREDUMP_SETUP ELFNAME2(arm_netbsd,coredump_setup) 171 #endif 172 173 struct exec_package; 174 175 int arm_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *, 176 vaddr_t *); 177 void arm_netbsd_elf32_coredump_setup(struct lwp *, void *); 178 #endif 179 180 #endif /* _ARM_ELF_MACHDEP_H_ */ 181
Indexes created Sat Feb 21 16:20:20 UTC 2026