sys/arch/mips/include/elf_machdep.h

   1 /*      $NetBSD: elf_machdep.h,v 1.12 2009/12/14 00:46:04 matt 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_ */