1 /* $NetBSD: elf_machdep.h,v 1.15 2011/03/15 07:39:22 matt Exp $ */ 2 3 #ifndef _MIPS_ELF_MACHDEP_H_ 4 #define _MIPS_ELF_MACHDEP_H_ 5 6 #ifdef _LP64 7 #define ARCH_ELFSIZE 64 /* MD native binary size */ 8 #else 9 #define ARCH_ELFSIZE 32 /* MD native binary size */ 10 #endif 11 12 #if ELFSIZE == 32 13 #define ELF32_MACHDEP_ID_CASES \ 14 case EM_MIPS: \ 15 break; 16 17 #define ELF32_MACHDEP_ID EM_MIPS 18 #elif ELFSIZE == 64 19 #define ELF64_MACHDEP_ID_CASES \ 20 case EM_MIPS: \ 21 break; 22 23 #define ELF64_MACHDEP_ID EM_MIPS 24 #endif 25 26 /* mips relocs. */ 27 28 #define R_MIPS_NONE 0 29 #define R_MIPS_16 1 30 #define R_MIPS_32 2 31 #define R_MIPS_REL32 3 32 #define R_MIPS_REL R_MIPS_REL32 33 #define R_MIPS_26 4 34 #define R_MIPS_HI16 5 /* high 16 bits of symbol value */ 35 #define R_MIPS_LO16 6 /* low 16 bits of symbol value */ 36 #define R_MIPS_GPREL16 7 /* GP-relative reference */ 37 #define R_MIPS_LITERAL 8 /* Reference to literal section */ 38 #define R_MIPS_GOT16 9 /* Reference to global offset table */ 39 #define R_MIPS_GOT R_MIPS_GOT16 40 #define R_MIPS_PC16 10 /* 16 bit PC relative reference */ 41 #define R_MIPS_CALL16 11 /* 16 bit call thru glbl offset tbl */ 42 #define R_MIPS_CALL R_MIPS_CALL16 43 #define R_MIPS_GPREL32 12 44 45 /* 13, 14, 15 are not defined at this point. */ 46 #define R_MIPS_UNUSED1 13 47 #define R_MIPS_UNUSED2 14 48 #define R_MIPS_UNUSED3 15 49 50 /* 51 * The remaining relocs are apparently part of the 64-bit Irix ELF ABI. 52 */ 53 #define R_MIPS_SHIFT5 16 54 #define R_MIPS_SHIFT6 17 55 56 #define R_MIPS_64 18 57 #define R_MIPS_GOT_DISP 19 58 #define R_MIPS_GOT_PAGE 20 59 #define R_MIPS_GOT_OFST 21 60 #define R_MIPS_GOT_HI16 22 61 #define R_MIPS_GOT_LO16 23 62 #define R_MIPS_SUB 24 63 #define R_MIPS_INSERT_A 25 64 #define R_MIPS_INSERT_B 26 65 #define R_MIPS_DELETE 27 66 #define R_MIPS_HIGHER 28 67 #define R_MIPS_HIGHEST 29 68 #define R_MIPS_CALL_HI16 30 69 #define R_MIPS_CALL_LO16 31 70 #define R_MIPS_SCN_DISP 32 71 #define R_MIPS_REL16 33 72 #define R_MIPS_ADD_IMMEDIATE 34 73 #define R_MIPS_PJUMP 35 74 #define R_MIPS_RELGOT 36 75 #define R_MIPS_JALR 37 76 /* TLS relocations */ 77 78 #define R_MIPS_TLS_DTPMOD32 38 /* Module number 32 bit */ 79 #define R_MIPS_TLS_DTPREL32 39 /* Module-relative offset 32 bit */ 80 #define R_MIPS_TLS_DTPMOD64 40 /* Module number 64 bit */ 81 #define R_MIPS_TLS_DTPREL64 41 /* Module-relative offset 64 bit */ 82 #define R_MIPS_TLS_GD 42 /* 16 bit GOT offset for GD */ 83 #define R_MIPS_TLS_LDM 43 /* 16 bit GOT offset for LDM */ 84 #define R_MIPS_TLS_DTPREL_HI16 44 /* Module-relative offset, high 16 bits */ 85 #define R_MIPS_TLS_DTPREL_LO16 45 /* Module-relative offset, low 16 bits */ 86 #define R_MIPS_TLS_GOTTPREL 46 /* 16 bit GOT offset for IE */ 87 #define R_MIPS_TLS_TPREL32 47 /* TP-relative offset, 32 bit */ 88 #define R_MIPS_TLS_TPREL64 48 /* TP-relative offset, 64 bit */ 89 #define R_MIPS_TLS_TPREL_HI16 49 /* TP-relative offset, high 16 bits */ 90 #define R_MIPS_TLS_TPREL_LO16 50 /* TP-relative offset, low 16 bits */ 91 92 #define R_MIPS_max 51 93 94 #define R_TYPE(name) __CONCAT(R_MIPS_,name) 95 96 #define R_MIPS16_min 100 97 #define R_MIPS16_26 100 98 #define R_MIPS16_GPREL 101 99 #define R_MIPS16_GOT16 102 100 #define R_MIPS16_CALL16 103 101 #define R_MIPS16_HI16 104 102 #define R_MIPS16_LO16 105 103 #define R_MIPS16_max 106 104 105 106 /* mips dynamic tags */ 107 108 #define DT_MIPS_RLD_VERSION 0x70000001 109 #define DT_MIPS_TIME_STAMP 0x70000002 110 #define DT_MIPS_ICHECKSUM 0x70000003 111 #define DT_MIPS_IVERSION 0x70000004 112 #define DT_MIPS_FLAGS 0x70000005 113 #define DT_MIPS_BASE_ADDRESS 0x70000006 114 #define DT_MIPS_CONFLICT 0x70000008 115 #define DT_MIPS_LIBLIST 0x70000009 116 #define DT_MIPS_CONFLICTNO 0x7000000b 117 #define DT_MIPS_LOCAL_GOTNO 0x7000000a /* number of local got ents */ 118 #define DT_MIPS_LIBLISTNO 0x70000010 119 #define DT_MIPS_SYMTABNO 0x70000011 /* number of .dynsym entries */ 120 #define DT_MIPS_UNREFEXTNO 0x70000012 121 #define DT_MIPS_GOTSYM 0x70000013 /* first dynamic sym in got */ 122 #define DT_MIPS_HIPAGENO 0x70000014 123 #define DT_MIPS_RLD_MAP 0x70000016 /* address of loader map */ 124 #define DT_MIPS_RLD_MAP2 0x70000035 /* offset of loader map, used for PIE */ 125 126 /* 127 * ELF Flags 128 */ 129 #define EF_MIPS_PIC 0x00000002 /* Contains PIC code */ 130 #define EF_MIPS_CPIC 0x00000004 /* STD PIC calling sequence */ 131 #define EF_MIPS_ABI2 0x00000020 /* N32 */ 132 133 #define EF_MIPS_ARCH_ASE 0x0f000000 /* Architectural extensions */ 134 #define EF_MIPS_ARCH_MDMX 0x08000000 /* MDMX multimedia extension */ 135 #define EF_MIPS_ARCH_M16 0x04000000 /* MIPS-16 ISA extensions */ 136 137 #define EF_MIPS_ARCH 0xf0000000 /* Architecture field */ 138 #define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code */ 139 #define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code */ 140 #define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code */ 141 #define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code */ 142 #define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code */ 143 #define EF_MIPS_ARCH_32 0x50000000 /* -mips32 code */ 144 #define EF_MIPS_ARCH_64 0x60000000 /* -mips64 code */ 145 #define EF_MIPS_ARCH_32R2 0x70000000 /* -mips32r2 code */ 146 #define EF_MIPS_ARCH_64R2 0x80000000 /* -mips64r2 code */ 147 148 #define EF_MIPS_ABI 0x0000f000 149 #define EF_MIPS_ABI_O32 0x00001000 150 #define EF_MIPS_ABI_O64 0x00002000 151 #define EF_MIPS_ABI_EABI32 0x00003000 152 #define EF_MIPS_ABI_EABI64 0x00004000 153 154 #if defined(__MIPSEB__) 155 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB 156 #define ELF64_MACHDEP_ENDIANNESS ELFDATA2MSB 157 #elif defined(__MIPSEL__) 158 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2LSB 159 #define ELF64_MACHDEP_ENDIANNESS ELFDATA2LSB 160 #elif !defined(HAVE_NBTOOL_CONFIG_H) 161 #error neither __MIPSEL__ nor __MIPSEB__ are defined. 162 #endif 163 164 #ifdef _KERNEL 165 #ifdef _KERNEL_OPT 166 #include "opt_compat_netbsd.h" 167 #endif 168 #ifdef COMPAT_16 169 /* 170 * Up to 1.6, the ELF dynamic loader (ld.elf_so) was not relocatable. 171 * Tell the kernel ELF exec code not to try relocating the interpreter 172 * for dynamically-linked ELF binaries. 173 */ 174 #define ELF_INTERP_NON_RELOCATABLE 175 #endif /* COMPAT_16 */ 176 177 /* 178 * We need to be able to include the ELF header so we can pick out the 179 * ABI being used. 180 */ 181 #ifdef ELFSIZE 182 #define ELF_MD_PROBE_FUNC ELFNAME2(mips_netbsd,probe) 183 #define ELF_MD_COREDUMP_SETUP ELFNAME2(coredump,setup) 184 #endif 185 186 struct exec_package; 187 188 int mips_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *, 189 vaddr_t *); 190 void coredump_elf32_setup(struct lwp *, void *); 191 192 int mips_netbsd_elf64_probe(struct lwp *, struct exec_package *, void *, char *, 193 vaddr_t *); 194 void coredump_elf64_setup(struct lwp *, void *); 195 #endif /* _KERNEL */ 196 197 #endif /* _MIPS_ELF_MACHDEP_H_ */ 198