1 /* $NetBSD: elf_machdep.h,v 1.10 2012/08/05 04:12:46 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_EABIMASK 0xff000000 31 #define EF_ARM_EABI_VER1 0x01000000 32 #define EF_ARM_EABI_VER2 0x02000000 33 #define EF_ARM_EABI_VER3 0x03000000 34 #define EF_ARM_EABI_VER4 0x04000000 35 #define EF_ARM_EABI_VER5 0x05000000 36 37 #define ELF32_MACHDEP_ID_CASES \ 38 case EM_ARM: \ 39 break; 40 41 #define ELF32_MACHDEP_ID EM_ARM 42 43 #define ARCH_ELFSIZE 32 /* MD native binary size */ 44 45 /* Processor specific relocation types */ 46 47 #define R_ARM_NONE 0 48 #define R_ARM_PC24 1 49 #define R_ARM_ABS32 2 50 #define R_ARM_REL32 3 51 #define R_ARM_PC13 4 52 #define R_ARM_ABS16 5 53 #define R_ARM_ABS12 6 54 #define R_ARM_THM_ABS5 7 55 #define R_ARM_ABS8 8 56 #define R_ARM_SBREL32 9 57 #define R_ARM_THM_PC22 10 58 #define R_ARM_THM_PC8 11 59 #define R_ARM_AMP_VCALL9 12 60 #define R_ARM_SWI24 13 61 #define R_ARM_THM_SWI8 14 62 #define R_ARM_XPC25 15 63 #define R_ARM_THM_XPC22 16 64 65 /* TLS relocations */ 66 #define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */ 67 #define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */ 68 #define R_ARM_TLS_TPOFF32 19 /* Offset in static TLS block */ 69 70 /* 20-31 are reserved for ARM Linux. */ 71 #define R_ARM_COPY 20 72 #define R_ARM_GLOB_DAT 21 73 #define R_ARM_JUMP_SLOT 22 74 #define R_ARM_RELATIVE 23 75 #define R_ARM_GOTOFF 24 76 #define R_ARM_GOTPC 25 77 #define R_ARM_GOT32 26 78 #define R_ARM_PLT32 27 79 80 #define R_ARM_ALU_PCREL_7_0 32 81 #define R_ARM_ALU_PCREL_15_8 33 82 #define R_ARM_ALU_PCREL_23_15 34 83 #define R_ARM_ALU_SBREL_11_0 35 84 #define R_ARM_ALU_SBREL_19_12 36 85 #define R_ARM_ALU_SBREL_27_20 37 86 87 /* 96-111 are reserved to G++. */ 88 #define R_ARM_GNU_VTENTRY 100 89 #define R_ARM_GNU_VTINHERIT 101 90 #define R_ARM_THM_PC11 102 91 #define R_ARM_THM_PC9 103 92 93 /* More TLS relocations */ 94 #define R_ARM_TLS_GD32 104 /* PC-rel 32 bit for global dynamic */ 95 #define R_ARM_TLS_LDM32 105 /* PC-rel 32 bit for local dynamic */ 96 #define R_ARM_TLS_LDO32 106 /* 32 bit offset relative to TLS */ 97 #define R_ARM_TLS_IE32 107 /* PC-rel 32 bit for GOT entry of */ 98 #define R_ARM_TLS_LE32 108 99 #define R_ARM_TLS_LDO12 109 100 #define R_ARM_TLS_LE12 110 101 #define R_ARM_TLS_IE12GP 111 102 103 /* 112-127 are reserved for private experiments. */ 104 105 #define R_ARM_RXPC25 249 106 #define R_ARM_RSBREL32 250 107 #define R_ARM_THM_RPC22 251 108 #define R_ARM_RREL32 252 109 #define R_ARM_RABS32 253 110 #define R_ARM_RPC24 254 111 #define R_ARM_RBASE 255 112 113 #define R_TYPE(name) __CONCAT(R_ARM_,name) 114 115 /* Processor specific program header flags */ 116 #define PF_ARM_SB 0x10000000 117 #define PF_ARM_PI 0x20000000 118 #define PF_ARM_ENTRY 0x80000000 119 120 /* Processor specific section header flags */ 121 #define SHF_ENTRYSECT 0x10000000 122 #define SHF_COMDEF 0x80000000 123 124 /* Processor specific symbol types */ 125 #define STT_ARM_TFUNC STT_LOPROC 126 127 #ifdef _KERNEL 128 #ifdef ELFSIZE 129 #define ELF_MD_PROBE_FUNC ELFNAME2(arm_netbsd,probe) 130 #endif 131 132 struct exec_package; 133 134 int arm_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *, 135 vaddr_t *); 136 #endif 137 138 #endif /* _ARM_ELF_MACHDEP_H_ */ 139