1 /* $NetBSD: elf_machdep.h,v 1.19 2017/11/06 03:47:45 christos Exp $ */ 2 3 #ifndef _ARM_ELF_MACHDEP_H_ 4 #define _ARM_ELF_MACHDEP_H_ 5 6 #if defined(__ARMEB__) 7 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB 8 #else 9 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB 10 #endif 11 12 #define ELF64_MACHDEP_ENDIANNESS XXX /* break compilation */ 13 #define ELF64_MACHDEP_ID_CASES \ 14 /* no 64-bit ELF machine types supported */ 15 16 /* Processor specific flags for the ELF header e_flags field. */ 17 #define EF_ARM_RELEXEC 0x00000001 18 #define EF_ARM_HASENTRY 0x00000002 19 #define EF_ARM_INTERWORK 0x00000004 /* GNU binutils 000413 */ 20 #define EF_ARM_SYMSARESORTED 0x00000004 /* ARM ELF A08 */ 21 #define EF_ARM_APCS_26 0x00000008 /* GNU binutils 000413 */ 22 #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ARM ELF B01 */ 23 #define EF_ARM_APCS_FLOAT 0x00000010 /* GNU binutils 000413 */ 24 #define EF_ARM_MAPSYMSFIRST 0x00000010 /* ARM ELF B01 */ 25 #define EF_ARM_PIC 0x00000020 26 #define EF_ARM_ALIGN8 0x00000040 /* 8-bit structure alignment. */ 27 #define EF_ARM_NEW_ABI 0x00000080 28 #define EF_ARM_OLD_ABI 0x00000100 29 #define EF_ARM_SOFT_FLOAT 0x00000200 30 #define EF_ARM_BE8 0x00800000 31 #define EF_ARM_EABIMASK 0xff000000 32 #define EF_ARM_EABI_VER1 0x01000000 33 #define EF_ARM_EABI_VER2 0x02000000 34 #define EF_ARM_EABI_VER3 0x03000000 35 #define EF_ARM_EABI_VER4 0x04000000 36 #define EF_ARM_EABI_VER5 0x05000000 37 38 #define ELF32_MACHDEP_ID_CASES \ 39 case EM_ARM: \ 40 break; 41 42 #define ELF32_MACHDEP_ID EM_ARM 43 44 #define KERN_ELFSIZE 32 45 #define ARCH_ELFSIZE 32 /* MD native binary size */ 46 47 /* Processor specific relocation types */ 48 49 #define R_ARM_NONE 0 50 #define R_ARM_PC24 1 51 #define R_ARM_ABS32 2 52 #define R_ARM_REL32 3 53 #define R_ARM_PC13 4 54 #define R_ARM_ABS16 5 55 #define R_ARM_ABS12 6 56 #define R_ARM_THM_ABS5 7 57 #define R_ARM_ABS8 8 58 #define R_ARM_SBREL32 9 59 #define R_ARM_THM_PC22 10 60 #define R_ARM_THM_PC8 11 61 #define R_ARM_AMP_VCALL9 12 62 #define R_ARM_SWI24 13 63 #define R_ARM_THM_SWI8 14 64 #define R_ARM_XPC25 15 65 #define R_ARM_THM_XPC22 16 66 67 /* TLS relocations */ 68 #define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */ 69 #define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */ 70 #define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */ 71 72 /* 20-31 are reserved for ARM Linux. */ 73 #define R_ARM_COPY 20 74 #define R_ARM_GLOB_DAT 21 75 #define R_ARM_JUMP_SLOT 22 76 #define R_ARM_RELATIVE 23 77 #define R_ARM_GOTOFF 24 78 #define R_ARM_GOTPC 25 79 #define R_ARM_GOT32 26 80 #define R_ARM_PLT32 27 81 #define R_ARM_CALL 28 82 #define R_ARM_JUMP24 29 83 #define R_ARM_THM_JUMP24 30 84 #define R_ARM_BASE_ABS 31 85 #define R_ARM_ALU_PCREL_7_0 32 86 #define R_ARM_ALU_PCREL_15_8 33 87 #define R_ARM_ALU_PCREL_23_15 34 88 #define R_ARM_ALU_SBREL_11_0 35 89 #define R_ARM_ALU_SBREL_19_12 36 90 #define R_ARM_ALU_SBREL_27_20 37 // depcreated 91 #define R_ARM_TARGET1 38 92 #define R_ARM_SBREL31 39 // deprecated 93 #define R_ARM_V4BX 40 94 #define R_ARM_TARGET2 41 95 #define R_ARM_PREL31 42 96 #define R_ARM_MOVW_ABS_NC 43 97 #define R_ARM_MOVT_ABS 44 98 #define R_ARM_MOVW_PREL_NC 45 99 #define R_ARM_MOVT_PREL 46 100 #define R_ARM_THM_MOVW_ABS_NC 47 101 #define R_ARM_THM_MOVT_ABS 48 102 #define R_ARM_THM_MOVW_PREL_NC 49 103 #define R_ARM_THM_MOVT_PREL 50 104 105 /* 96-111 are reserved to G++. */ 106 #define R_ARM_GNU_VTENTRY 100 107 #define R_ARM_GNU_VTINHERIT 101 108 #define R_ARM_THM_PC11 102 109 #define R_ARM_THM_PC9 103 110 111 /* More TLS relocations */ 112 #define R_ARM_TLS_GD32 104 /* PC-rel 32 bit for global dynamic */ 113 #define R_ARM_TLS_LDM32 105 /* PC-rel 32 bit for local dynamic */ 114 #define R_ARM_TLS_LDO32 106 /* 32 bit offset relative to TLS */ 115 #define R_ARM_TLS_IE32 107 /* PC-rel 32 bit for GOT entry of */ 116 #define R_ARM_TLS_LE32 108 117 #define R_ARM_TLS_LDO12 109 118 #define R_ARM_TLS_LE12 110 119 #define R_ARM_TLS_IE12GP 111 120 121 /* 112-127 are reserved for private experiments. */ 122 123 #define R_ARM_IRELATIVE 160 124 125 #define R_ARM_RXPC25 249 126 #define R_ARM_RSBREL32 250 127 #define R_ARM_THM_RPC22 251 128 #define R_ARM_RREL32 252 129 #define R_ARM_RABS32 253 130 #define R_ARM_RPC24 254 131 #define R_ARM_RBASE 255 132 133 #define R_TYPE(name) __CONCAT(R_ARM_,name) 134 135 /* Processor specific program header flags */ 136 #define PF_ARM_SB 0x10000000 137 #define PF_ARM_PI 0x20000000 138 #define PF_ARM_ENTRY 0x80000000 139 140 /* Processor specific program header types */ 141 #define PT_ARM_EXIDX (PT_LOPROC + 1) 142 143 /* Processor specific section header flags */ 144 #define SHF_ENTRYSECT 0x10000000 145 #define SHF_COMDEF 0x80000000 146 147 /* Processor specific symbol types */ 148 #define STT_ARM_TFUNC STT_LOPROC 149 150 #ifdef _KERNEL 151 #ifdef ELFSIZE 152 #define ELF_MD_PROBE_FUNC ELFNAME2(arm_netbsd,probe) 153 #define ELF_MD_COREDUMP_SETUP ELFNAME2(arm_netbsd,coredump_setup) 154 #endif 155 156 struct exec_package; 157 158 int arm_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *, 159 vaddr_t *); 160 void arm_netbsd_elf32_coredump_setup(struct lwp *, void *); 161 #endif 162 163 #endif /* _ARM_ELF_MACHDEP_H_ */ 164