1 /* $NetBSD: elf_machdep.h,v 1.13 2009/12/14 03:20:27 mrg Exp $ */ 2 3 #ifndef _MIPS_ELF_MACHDEP_H_ 4 #define _MIPS_ELF_MACHDEP_H_ 5 6 #if defined(ELFSIZE) 7 #if ELFSIZE == 32 8 #define ELF32_MACHDEP_ID_CASES \ 9 case EM_MIPS: \ 10 break; 11 12 #define ELF32_MACHDEP_ID EM_MIPS 13 #endif /* ELFSIZE == 32 */ 14 #if ELFSIZE == 64 15 #ifdef _LP64 16 #define ELF64_MACHDEP_ID_CASES \ 17 case EM_MIPS: \ 18 break; 19 #else 20 #define ELF64_MACHDEP_ID_CASES /* xxx */ 21 #endif /* _LP64 */ 22 23 #define ELF64_MACHDEP_ID EM_MIPS 24 #endif /* ELFSIZE == 64 */ 25 #endif /* defined(ELFSIZE) */ 26 27 #ifdef _LP64 28 #define ARCH_ELFSIZE 64 /* MD native binary size */ 29 #else 30 #define ARCH_ELFSIZE 32 /* MD native binary size */ 31 #endif 32 33 /* mips relocs. */ 34 35 #define R_MIPS_NONE 0 36 #define R_MIPS_16 1 37 #define R_MIPS_32 2 38 #define R_MIPS_REL32 3 39 #define R_MIPS_REL R_MIPS_REL32 40 #define R_MIPS_26 4 41 #define R_MIPS_HI16 5 /* high 16 bits of symbol value */ 42 #define R_MIPS_LO16 6 /* low 16 bits of symbol value */ 43 #define R_MIPS_GPREL16 7 /* GP-relative reference */ 44 #define R_MIPS_LITERAL 8 /* Reference to literal section */ 45 #define R_MIPS_GOT16 9 /* Reference to global offset table */ 46 #define R_MIPS_GOT R_MIPS_GOT16 47 #define R_MIPS_PC16 10 /* 16 bit PC relative reference */ 48 #define R_MIPS_CALL16 11 /* 16 bit call thru glbl offset tbl */ 49 #define R_MIPS_CALL R_MIPS_CALL16 50 #define R_MIPS_GPREL32 12 51 52 /* 13, 14, 15 are not defined at this point. */ 53 #define R_MIPS_UNUSED1 13 54 #define R_MIPS_UNUSED2 14 55 #define R_MIPS_UNUSED3 15 56 57 /* 58 * The remaining relocs are apparently part of the 64-bit Irix ELF ABI. 59 */ 60 #define R_MIPS_SHIFT5 16 61 #define R_MIPS_SHIFT6 17 62 63 #define R_MIPS_64 18 64 #define R_MIPS_GOT_DISP 19 65 #define R_MIPS_GOT_PAGE 20 66 #define R_MIPS_GOT_OFST 21 67 #define R_MIPS_GOT_HI16 22 68 #define R_MIPS_GOT_LO16 23 69 #define R_MIPS_SUB 24 70 #define R_MIPS_INSERT_A 25 71 #define R_MIPS_INSERT_B 26 72 #define R_MIPS_DELETE 27 73 #define R_MIPS_HIGHER 28 74 #define R_MIPS_HIGHEST 29 75 #define R_MIPS_CALL_HI16 30 76 #define R_MIPS_CALL_LO16 31 77 #define R_MIPS_SCN_DISP 32 78 #define R_MIPS_REL16 33 79 #define R_MIPS_ADD_IMMEDIATE 34 80 #define R_MIPS_PJUMP 35 81 #define R_MIPS_RELGOT 36 82 #define R_MIPS_JALR 37 83 /* TLS relocations */ 84 85 #define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */ 86 #define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */ 87 #define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */ 88 #define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */ 89 #define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */ 90 #define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */ 91 #define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */ 92 #define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */ 93 #define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */ 94 #define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */ 95 #define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */ 96 #define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */ 97 #define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */ 98 99 #define R_MIPS_max 51 100 101 #define R_TYPE(name) __CONCAT(R_MIPS_,name) 102 103 #define R_MIPS16_min 100 104 #define R_MIPS16_26 100 105 #define R_MIPS16_GPREL 101 106 #define R_MIPS16_GOT16 102 107 #define R_MIPS16_CALL16 103 108 #define R_MIPS16_HI16 104 109 #define R_MIPS16_LO16 105 110 #define R_MIPS16_max 106 111 112 113 /* mips dynamic tags */ 114 115 #define DT_MIPS_RLD_VERSION 0x70000001 116 #define DT_MIPS_TIME_STAMP 0x70000002 117 #define DT_MIPS_ICHECKSUM 0x70000003 118 #define DT_MIPS_IVERSION 0x70000004 119 #define DT_MIPS_FLAGS 0x70000005 120 #define DT_MIPS_BASE_ADDRESS 0x70000006 121 #define DT_MIPS_CONFLICT 0x70000008 122 #define DT_MIPS_LIBLIST 0x70000009 123 #define DT_MIPS_CONFLICTNO 0x7000000b 124 #define DT_MIPS_LOCAL_GOTNO 0x7000000a /* number of local got ents */ 125 #define DT_MIPS_LIBLISTNO 0x70000010 126 #define DT_MIPS_SYMTABNO 0x70000011 /* number of .dynsym entries */ 127 #define DT_MIPS_UNREFEXTNO 0x70000012 128 #define DT_MIPS_GOTSYM 0x70000013 /* first dynamic sym in got */ 129 #define DT_MIPS_HIPAGENO 0x70000014 130 #define DT_MIPS_RLD_MAP 0x70000016 /* address of loader map */ 131 132 /* 133 * ELF Flags 134 */ 135 #define EF_MIPS_PIC 0x00000002 /* Contains PIC code */ 136 #define EF_MIPS_CPIC 0x00000004 /* STD PIC calling sequence */ 137 #define EF_MIPS_ABI2 0x00000020 /* N32 */ 138 139 #define EF_MIPS_ARCH_ASE 0x0f000000 /* Architectural extensions */ 140 #define EF_MIPS_ARCH_MDMX 0x08000000 /* MDMX multimedia extension */ 141 #define EF_MIPS_ARCH_M16 0x04000000 /* MIPS-16 ISA extensions */ 142 143 #define EF_MIPS_ARCH 0xf0000000 /* Architecture field */ 144 #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code */ 145 #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code */ 146 #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code */ 147 #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code */ 148 #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code */ 149 #define EF_MIPS_ARCH_32 0x50000000 /* -mips32 code */ 150 #define EF_MIPS_ARCH_64 0x60000000 /* -mips64 code */ 151 #define EF_MIPS_ARCH_32R2 0x70000000 /* -mips32r2 code */ 152 #define EF_MIPS_ARCH_64R4 0x80000000 /* -mips64r2 code */ 153 154 #define EF_MIPS_ABI 0x0000f000 155 #define EF_MIPS_ABI_O32 0x00001000 156 #define EF_MIPS_ABI_O64 0x00002000 157 #define EF_MIPS_ABI_EABI32 0x00003000 158 #define EF_MIPS_ABI_EABI64 0x00004000 159 160 #if defined(__MIPSEB__) 161 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB 162 #define ELF64_MACHDEP_ENDIANNESS ELFDATA2MSB 163 #elif defined(__MIPSEL__) 164 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB 165 #define ELF64_MACHDEP_ENDIANNESS ELFDATA2LSB 166 #elif !defined(HAVE_NBTOOL_CONFIG_H) 167 #error neither __MIPSEL__ nor __MIPSEB__ are defined. 168 #endif 169 170 #ifdef _KERNEL 171 #ifdef _KERNEL_OPT 172 #include "opt_compat_netbsd.h" 173 #endif 174 #ifdef COMPAT_16 175 /* 176 * Up to 1.6, the ELF dynamic loader (ld.elf_so) was not relocatable. 177 * Tell the kernel ELF exec code not to try relocating the interpreter 178 * for dynamically-linked ELF binaries. 179 */ 180 #define ELF_INTERP_NON_RELOCATABLE 181 #endif /* COMPAT_16 */ 182 183 /* 184 * We need to be able to include the ELF header so we can pick out the 185 * ABI being used. 186 */ 187 #ifdef ELFSIZE 188 #define ELF_MD_PROBE_FUNC ELFNAME2(mips_netbsd,probe) 189 #define ELF_MD_COREDUMP_SETUP ELFNAME2(coredump,setup) 190 #endif 191 192 struct exec_package; 193 194 int mips_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *, 195 vaddr_t *); 196 void coredump_elf32_setup(struct lwp *, void *); 197 198 int mips_netbsd_elf64_probe(struct lwp *, struct exec_package *, void *, char *, 199 vaddr_t *); 200 void coredump_elf64_setup(struct lwp *, void *); 201 #endif /* _KERNEL */ 202 203 #endif /* _MIPS_ELF_MACHDEP_H_ */ 204