1 /* $NetBSD: elf_machdep.h,v 1.12 2013/08/05 00:57:24 matt 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 ARCH_ELFSIZE 32 /* MD native binary size */ 45 46 /* Processor specific relocation types */ 47 48 #define R_ARM_NONE 0 49 #define R_ARM_PC24 1 50 #define R_ARM_ABS32 2 51 #define R_ARM_REL32 3 52 #define R_ARM_PC13 4 53 #define R_ARM_ABS16 5 54 #define R_ARM_ABS12 6 55 #define R_ARM_THM_ABS5 7 56 #define R_ARM_ABS8 8 57 #define R_ARM_SBREL32 9 58 #define R_ARM_THM_PC22 10 59 #define R_ARM_THM_PC8 11 60 #define R_ARM_AMP_VCALL9 12 61 #define R_ARM_SWI24 13 62 #define R_ARM_THM_SWI8 14 63 #define R_ARM_XPC25 15 64 #define R_ARM_THM_XPC22 16 65 66 /* TLS relocations */ 67 #define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */ 68 #define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */ 69 #define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */ 70 71 /* 20-31 are reserved for ARM Linux. */ 72 #define R_ARM_COPY 20 73 #define R_ARM_GLOB_DAT 21 74 #define R_ARM_JUMP_SLOT 22 75 #define R_ARM_RELATIVE 23 76 #define R_ARM_GOTOFF 24 77 #define R_ARM_GOTPC 25 78 #define R_ARM_GOT32 26 79 #define R_ARM_PLT32 27 80 81 #define R_ARM_ALU_PCREL_7_0 32 82 #define R_ARM_ALU_PCREL_15_8 33 83 #define R_ARM_ALU_PCREL_23_15 34 84 #define R_ARM_ALU_SBREL_11_0 35 85 #define R_ARM_ALU_SBREL_19_12 36 86 #define R_ARM_ALU_SBREL_27_20 37 87 88 /* 96-111 are reserved to G++. */ 89 #define R_ARM_GNU_VTENTRY 100 90 #define R_ARM_GNU_VTINHERIT 101 91 #define R_ARM_THM_PC11 102 92 #define R_ARM_THM_PC9 103 93 94 /* More TLS relocations */ 95 #define R_ARM_TLS_GD32 104 /* PC-rel 32 bit for global dynamic */ 96 #define R_ARM_TLS_LDM32 105 /* PC-rel 32 bit for local dynamic */ 97 #define R_ARM_TLS_LDO32 106 /* 32 bit offset relative to TLS */ 98 #define R_ARM_TLS_IE32 107 /* PC-rel 32 bit for GOT entry of */ 99 #define R_ARM_TLS_LE32 108 100 #define R_ARM_TLS_LDO12 109 101 #define R_ARM_TLS_LE12 110 102 #define R_ARM_TLS_IE12GP 111 103 104 /* 112-127 are reserved for private experiments. */ 105 106 #define R_ARM_RXPC25 249 107 #define R_ARM_RSBREL32 250 108 #define R_ARM_THM_RPC22 251 109 #define R_ARM_RREL32 252 110 #define R_ARM_RABS32 253 111 #define R_ARM_RPC24 254 112 #define R_ARM_RBASE 255 113 114 #define R_TYPE(name) __CONCAT(R_ARM_,name) 115 116 /* Processor specific program header flags */ 117 #define PF_ARM_SB 0x10000000 118 #define PF_ARM_PI 0x20000000 119 #define PF_ARM_ENTRY 0x80000000 120 121 /* Processor specific program header types */ 122 #define PT_ARM_EXIDX (PT_LOPROC + 1) 123 124 /* Processor specific section header flags */ 125 #define SHF_ENTRYSECT 0x10000000 126 #define SHF_COMDEF 0x80000000 127 128 /* Processor specific symbol types */ 129 #define STT_ARM_TFUNC STT_LOPROC 130 131 #ifdef _KERNEL 132 #ifdef ELFSIZE 133 #define ELF_MD_PROBE_FUNC ELFNAME2(arm_netbsd,probe) 134 #endif 135 136 struct exec_package; 137 138 int arm_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *, 139 vaddr_t *); 140 #endif 141 142 #endif /* _ARM_ELF_MACHDEP_H_ */ 143