output/elfcommon.h

   1 #ifndef OUTPUT_ELFCOMMON_H
   2 #define OUTPUT_ELFCOMMON_H
   3
   4 #include "compiler.h"
   5 #include <inttypes.h>
   6
   7 /* Segment types */
   8 #define PT_NULL         0
   9 #define PT_LOAD         1
  10 #define PT_DYNAMIC      2
  11 #define PT_INTERP       3
  12 #define PT_NOTE         4
  13 #define PT_SHLIB        5
  14 #define PT_PHDR         6
  15 #define PT_LOOS         0x60000000
  16 #define PT_HIOS         0x6fffffff
  17 #define PT_LOPROC       0x70000000
  18 #define PT_HIPROC       0x7fffffff
  19 #define PT_GNU_EH_FRAME 0x6474e550      /* Extension, eh? */
  20
  21 /* ELF file types */
  22 #define ET_NONE         0
  23 #define ET_REL          1
  24 #define ET_EXEC         2
  25 #define ET_DYN          3
  26 #define ET_CORE         4
  27 #define ET_LOPROC       0xff00
  28 #define ET_HIPROC       0xffff
  29
  30 /* ELF machine types */
  31 #define EM_NONE         0
  32 #define EM_M32          1
  33 #define EM_SPARC        2
  34 #define EM_386          3
  35 #define EM_68K          4
  36 #define EM_88K          5
  37 #define EM_486          6       /* Not used in Linux at least */
  38 #define EM_860          7
  39 #define EM_MIPS         8       /* R3k, bigendian(?) */
  40 #define EM_MIPS_RS4_BE  10      /* R4k BE */
  41 #define EM_PARISC       15
  42 #define EM_SPARC32PLUS  18
  43 #define EM_PPC          20
  44 #define EM_PPC64        21
  45 #define EM_S390         22
  46 #define EM_SH           42
  47 #define EM_SPARCV9      43      /* v9 = SPARC64 */
  48 #define EM_H8_300H      47
  49 #define EM_H8S          48
  50 #define EM_IA_64        50
  51 #define EM_X86_64       62
  52 #define EM_CRIS         76
  53 #define EM_V850         87
  54 #define EM_ALPHA        0x9026  /* Interrim Alpha that stuck around */
  55 #define EM_CYGNUS_V850  0x9080  /* Old v850 ID used by Cygnus */
  56 #define EM_S390_OLD     0xA390  /* Obsolete interrim value for S/390 */
  57
  58 /* Dynamic type values */
  59 #define DT_NULL         0
  60 #define DT_NEEDED       1
  61 #define DT_PLTRELSZ     2
  62 #define DT_PLTGOT       3
  63 #define DT_HASH         4
  64 #define DT_STRTAB       5
  65 #define DT_SYMTAB       6
  66 #define DT_RELA         7
  67 #define DT_RELASZ       8
  68 #define DT_RELAENT      9
  69 #define DT_STRSZ        10
  70 #define DT_SYMENT       11
  71 #define DT_INIT         12
  72 #define DT_FINI         13
  73 #define DT_SONAME       14
  74 #define DT_RPATH        15
  75 #define DT_SYMBOLIC     16
  76 #define DT_REL          17
  77 #define DT_RELSZ        18
  78 #define DT_RELENT       19
  79 #define DT_PLTREL       20
  80 #define DT_DEBUG        21
  81 #define DT_TEXTREL      22
  82 #define DT_JMPREL       23
  83 #define DT_LOPROC       0x70000000
  84 #define DT_HIPROC       0x7fffffff
  85
  86 /* Auxilliary table entries */
  87 #define AT_NULL         0       /* end of vector */
  88 #define AT_IGNORE       1       /* entry should be ignored */
  89 #define AT_EXECFD       2       /* file descriptor of program */
  90 #define AT_PHDR         3       /* program headers for program */
  91 #define AT_PHENT        4       /* size of program header entry */
  92 #define AT_PHNUM        5       /* number of program headers */
  93 #define AT_PAGESZ       6       /* system page size */
  94 #define AT_BASE         7       /* base address of interpreter */
  95 #define AT_FLAGS        8       /* flags */
  96 #define AT_ENTRY        9       /* entry point of program */
  97 #define AT_NOTELF       10      /* program is not ELF */
  98 #define AT_UID          11      /* real uid */
  99 #define AT_EUID         12      /* effective uid */
 100 #define AT_GID          13      /* real gid */
 101 #define AT_EGID         14      /* effective gid */
 102 #define AT_PLATFORM     15      /* string identifying CPU for optimizations */
 103 #define AT_HWCAP        16      /* arch dependent hints at CPU capabilities */
 104 #define AT_CLKTCK       17      /* frequency at which times() increments */
 105 /* 18..22 = ? */
 106 #define AT_SECURE       23      /* secure mode boolean */
 107
 108 /* Program header permission flags */
 109 #define PF_X            0x1
 110 #define PF_W            0x2
 111 #define PF_R            0x4
 112
 113 /* Section header types */
 114 #define SHT_NULL        0
 115 #define SHT_PROGBITS    1
 116 #define SHT_SYMTAB      2
 117 #define SHT_STRTAB      3
 118 #define SHT_RELA        4
 119 #define SHT_HASH        5
 120 #define SHT_DYNAMIC     6
 121 #define SHT_NOTE        7
 122 #define SHT_NOBITS      8
 123 #define SHT_REL         9
 124 #define SHT_SHLIB       10
 125 #define SHT_DYNSYM      11
 126 #define SHT_NUM         12
 127 #define SHT_LOPROC      0x70000000
 128 #define SHT_HIPROC      0x7fffffff
 129 #define SHT_LOUSER      0x80000000
 130 #define SHT_HIUSER      0xffffffff
 131
 132 /* Section header flags */
 133 #define SHF_WRITE            (1 << 0)   /* Writable */
 134 #define SHF_ALLOC            (1 << 1)   /* Occupies memory during execution */
 135 #define SHF_EXECINSTR        (1 << 2)   /* Executable */
 136 #define SHF_MERGE            (1 << 4)   /* Might be merged */
 137 #define SHF_STRINGS          (1 << 5)   /* Contains nul-terminated strings */
 138 #define SHF_INFO_LINK        (1 << 6)   /* `sh_info' contains SHT index */
 139 #define SHF_LINK_ORDER       (1 << 7)   /* Preserve order after combining */
 140 #define SHF_OS_NONCONFORMING (1 << 8)   /* Non-standard OS specific handling
 141                                            required */
 142 #define SHF_GROUP            (1 << 9)   /* Section is member of a group.  */
 143 #define SHF_TLS              (1 << 10)  /* Section hold thread-local data.  */
 144
 145 /* Special section numbers */
 146 #define SHN_UNDEF       0
 147 #define SHN_LORESERVE   0xff00
 148 #define SHN_LOPROC      0xff00
 149 #define SHN_HIPROC      0xff1f
 150 #define SHN_ABS         0xfff1
 151 #define SHN_COMMON      0xfff2
 152 #define SHN_HIRESERVE   0xffff
 153
 154 /* Lenght of magic at the start of a file */
 155 #define EI_NIDENT       16
 156
 157 /* Magic number constants... */
 158 #define EI_MAG0         0       /* e_ident[] indexes */
 159 #define EI_MAG1         1
 160 #define EI_MAG2         2
 161 #define EI_MAG3         3
 162 #define EI_CLASS        4
 163 #define EI_DATA         5
 164 #define EI_VERSION      6
 165 #define EI_OSABI        7
 166 #define EI_PAD          8
 167
 168 #define ELFMAG0         0x7f    /* EI_MAG */
 169 #define ELFMAG1         'E'
 170 #define ELFMAG2         'L'
 171 #define ELFMAG3         'F'
 172 #define ELFMAG          "\177ELF"
 173 #define SELFMAG         4
 174
 175 #define ELFCLASSNONE    0       /* EI_CLASS */
 176 #define ELFCLASS32      1
 177 #define ELFCLASS64      2
 178 #define ELFCLASSNUM     3
 179
 180 #define ELFDATANONE     0       /* e_ident[EI_DATA] */
 181 #define ELFDATA2LSB     1
 182 #define ELFDATA2MSB     2
 183
 184 #define EV_NONE         0       /* e_version, EI_VERSION */
 185 #define EV_CURRENT      1
 186 #define EV_NUM          2
 187
 188 #define ELFOSABI_NONE   0
 189 #define ELFOSABI_LINUX  3
 190
 191 /* Legal values for ST_BIND subfield of st_info (symbol binding).  */
 192 #define STB_LOCAL       0               /* Local symbol */
 193 #define STB_GLOBAL      1               /* Global symbol */
 194 #define STB_WEAK        2               /* Weak symbol */
 195 #define STB_NUM         3               /* Number of defined types.  */
 196 #define STB_LOOS        10              /* Start of OS-specific */
 197 #define STB_HIOS        12              /* End of OS-specific */
 198 #define STB_LOPROC      13              /* Start of processor-specific */
 199 #define STB_HIPROC      15              /* End of processor-specific */
 200
 201 /* Symbol types */
 202 #define STT_NOTYPE      0               /* Symbol type is unspecified */
 203 #define STT_OBJECT      1               /* Symbol is a data object */
 204 #define STT_FUNC        2               /* Symbol is a code object */
 205 #define STT_SECTION     3               /* Symbol associated with a section */
 206 #define STT_FILE        4               /* Symbol's name is file name */
 207 #define STT_COMMON      5               /* Symbol is a common data object */
 208 #define STT_TLS         6               /* Symbol is thread-local data object*/
 209 #define STT_NUM         7               /* Number of defined types.  */
 210
 211 /* Symbol visibilities */
 212 #define STV_DEFAULT     0               /* Default symbol visibility rules */
 213 #define STV_INTERNAL    1               /* Processor specific hidden class */
 214 #define STV_HIDDEN      2               /* Sym unavailable in other modules */
 215 #define STV_PROTECTED   3               /* Not preemptible, not exported */
 216
 217 #endif /* OUTPUT_ELFCOMMON_H */