contrib/llvm/include/llvm/BinaryFormat/DynamicTags.def

   1 #ifndef DYNAMIC_TAG
   2 #error "DYNAMIC_TAG must be defined"
   3 #endif
   4
   5 // Add separate macros for the architecture specific tags and the markers
   6 // such as DT_HIOS, etc. to allow using this file to in other contexts.
   7 // For example we can use it to generate a stringification switch statement.
   8
   9 #ifndef HEXAGON_DYNAMIC_TAG
  10 #define HEXAGON_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
  11 #define HEXAGON_DYNAMIC_TAG_DEFINED
  12 #endif
  13
  14 #ifndef MIPS_DYNAMIC_TAG
  15 #define MIPS_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
  16 #define MIPS_DYNAMIC_TAG_DEFINED
  17 #endif
  18
  19 #ifndef PPC64_DYNAMIC_TAG
  20 #define PPC64_DYNAMIC_TAG(name, value) DYNAMIC_TAG(name, value)
  21 #define PPC64_DYNAMIC_TAG_DEFINED
  22 #endif
  23
  24 #ifndef DYNAMIC_TAG_MARKER
  25 #define DYNAMIC_TAG_MARKER(name, value) DYNAMIC_TAG(name, value)
  26 #define DYNAMIC_TAG_MARKER_DEFINED
  27 #endif
  28
  29 DYNAMIC_TAG(NULL, 0)        // Marks end of dynamic array.
  30 DYNAMIC_TAG(NEEDED, 1)      // String table offset of needed library.
  31 DYNAMIC_TAG(PLTRELSZ, 2)    // Size of relocation entries in PLT.
  32 DYNAMIC_TAG(PLTGOT, 3)      // Address associated with linkage table.
  33 DYNAMIC_TAG(HASH, 4)        // Address of symbolic hash table.
  34 DYNAMIC_TAG(STRTAB, 5)      // Address of dynamic string table.
  35 DYNAMIC_TAG(SYMTAB, 6)      // Address of dynamic symbol table.
  36 DYNAMIC_TAG(RELA, 7)        // Address of relocation table (Rela entries).
  37 DYNAMIC_TAG(RELASZ, 8)      // Size of Rela relocation table.
  38 DYNAMIC_TAG(RELAENT, 9)     // Size of a Rela relocation entry.
  39 DYNAMIC_TAG(STRSZ, 10)      // Total size of the string table.
  40 DYNAMIC_TAG(SYMENT, 11)     // Size of a symbol table entry.
  41 DYNAMIC_TAG(INIT, 12)       // Address of initialization function.
  42 DYNAMIC_TAG(FINI, 13)       // Address of termination function.
  43 DYNAMIC_TAG(SONAME, 14)     // String table offset of a shared objects name.
  44 DYNAMIC_TAG(RPATH, 15)      // String table offset of library search path.
  45 DYNAMIC_TAG(SYMBOLIC, 16)   // Changes symbol resolution algorithm.
  46 DYNAMIC_TAG(REL, 17)        // Address of relocation table (Rel entries).
  47 DYNAMIC_TAG(RELSZ, 18)      // Size of Rel relocation table.
  48 DYNAMIC_TAG(RELENT, 19)     // Size of a Rel relocation entry.
  49 DYNAMIC_TAG(PLTREL, 20)     // Type of relocation entry used for linking.
  50 DYNAMIC_TAG(DEBUG, 21)      // Reserved for debugger.
  51 DYNAMIC_TAG(TEXTREL, 22)    // Relocations exist for non-writable segments.
  52 DYNAMIC_TAG(JMPREL, 23)     // Address of relocations associated with PLT.
  53 DYNAMIC_TAG(BIND_NOW, 24)   // Process all relocations before execution.
  54 DYNAMIC_TAG(INIT_ARRAY, 25) // Pointer to array of initialization functions.
  55 DYNAMIC_TAG(FINI_ARRAY, 26) // Pointer to array of termination functions.
  56 DYNAMIC_TAG(INIT_ARRAYSZ, 27) // Size of DT_INIT_ARRAY.
  57 DYNAMIC_TAG(FINI_ARRAYSZ, 28) // Size of DT_FINI_ARRAY.
  58 DYNAMIC_TAG(RUNPATH, 29)      // String table offset of lib search path.
  59 DYNAMIC_TAG(FLAGS, 30)        // Flags.
  60 DYNAMIC_TAG_MARKER(ENCODING, 32) // Values from here to DT_LOOS follow the rules
  61                                  // for the interpretation of the d_un union.
  62
  63 DYNAMIC_TAG(PREINIT_ARRAY, 32)   // Pointer to array of preinit functions.
  64 DYNAMIC_TAG(PREINIT_ARRAYSZ, 33) // Size of the DT_PREINIT_ARRAY array.
  65
  66 DYNAMIC_TAG(SYMTAB_SHNDX, 34) // Address of the SHT_SYMTAB_SHNDX section.
  67
  68 // Experimental support for SHT_RELR sections. For details, see proposal
  69 // at https://groups.google.com/forum/#!topic/generic-abi/bX460iggiKg
  70 DYNAMIC_TAG(RELRSZ, 35)  // Size of Relr relocation table.
  71 DYNAMIC_TAG(RELR, 36)    // Address of relocation table (Relr entries).
  72 DYNAMIC_TAG(RELRENT, 37) // Size of a Relr relocation entry.
  73
  74 DYNAMIC_TAG_MARKER(LOOS, 0x60000000)   // Start of environment specific tags.
  75 DYNAMIC_TAG_MARKER(HIOS, 0x6FFFFFFF)   // End of environment specific tags.
  76 DYNAMIC_TAG_MARKER(LOPROC, 0x70000000) // Start of processor specific tags.
  77 DYNAMIC_TAG_MARKER(HIPROC, 0x7FFFFFFF) // End of processor specific tags.
  78
  79 // Android packed relocation section tags.
  80 // https://android.googlesource.com/platform/bionic/+/6f12bfece5dcc01325e0abba56a46b1bcf991c69/tools/relocation_packer/src/elf_file.cc#31
  81 DYNAMIC_TAG(ANDROID_REL, 0x6000000F)
  82 DYNAMIC_TAG(ANDROID_RELSZ, 0x60000010)
  83 DYNAMIC_TAG(ANDROID_RELA, 0x60000011)
  84 DYNAMIC_TAG(ANDROID_RELASZ, 0x60000012)
  85
  86 // Android's experimental support for SHT_RELR sections.
  87 // https://android.googlesource.com/platform/bionic/+/b7feec74547f84559a1467aca02708ff61346d2a/libc/include/elf.h#253
  88 DYNAMIC_TAG(ANDROID_RELR, 0x6FFFE000)      // Address of relocation table (Relr entries).
  89 DYNAMIC_TAG(ANDROID_RELRSZ, 0x6FFFE001)    // Size of Relr relocation table.
  90 DYNAMIC_TAG(ANDROID_RELRENT, 0x6FFFE003)   // Size of a Relr relocation entry.
  91
  92 DYNAMIC_TAG(GNU_HASH, 0x6FFFFEF5)    // Reference to the GNU hash table.
  93 DYNAMIC_TAG(TLSDESC_PLT, 0x6FFFFEF6) // Location of PLT entry for TLS
  94                                      // descriptor resolver calls.
  95 DYNAMIC_TAG(TLSDESC_GOT, 0x6FFFFEF7) // Location of GOT entry used by TLS
  96                                      // descriptor resolver PLT entry.
  97 DYNAMIC_TAG(RELACOUNT, 0x6FFFFFF9)   // ELF32_Rela count.
  98 DYNAMIC_TAG(RELCOUNT, 0x6FFFFFFA)    // ELF32_Rel count.
  99
 100 DYNAMIC_TAG(FLAGS_1, 0X6FFFFFFB) // Flags_1.
 101
 102 DYNAMIC_TAG(VERSYM, 0x6FFFFFF0)     // The address of .gnu.version section.
 103 DYNAMIC_TAG(VERDEF, 0X6FFFFFFC)     // The address of the version definition
 104                                     // table.
 105 DYNAMIC_TAG(VERDEFNUM, 0X6FFFFFFD)  // The number of entries in DT_VERDEF.
 106 DYNAMIC_TAG(VERNEED, 0X6FFFFFFE)    // The address of the version dependency
 107                                     // table.
 108 DYNAMIC_TAG(VERNEEDNUM, 0X6FFFFFFF) // The number of entries in DT_VERNEED.
 109
 110 // Hexagon specific dynamic table entries
 111 HEXAGON_DYNAMIC_TAG(HEXAGON_SYMSZ, 0x70000000)
 112 HEXAGON_DYNAMIC_TAG(HEXAGON_VER, 0x70000001)
 113 HEXAGON_DYNAMIC_TAG(HEXAGON_PLT, 0x70000002)
 114
 115 // Mips specific dynamic table entry tags.
 116
 117 MIPS_DYNAMIC_TAG(MIPS_RLD_VERSION, 0x70000001)  // 32 bit version number for
 118                                                 // runtime linker interface.
 119 MIPS_DYNAMIC_TAG(MIPS_TIME_STAMP, 0x70000002)   // Time stamp.
 120 MIPS_DYNAMIC_TAG(MIPS_ICHECKSUM, 0x70000003)    // Checksum of external strings
 121                                                 // and common sizes.
 122 MIPS_DYNAMIC_TAG(MIPS_IVERSION, 0x70000004)     // Index of version string
 123                                                 // in string table.
 124 MIPS_DYNAMIC_TAG(MIPS_FLAGS, 0x70000005)        // 32 bits of flags.
 125 MIPS_DYNAMIC_TAG(MIPS_BASE_ADDRESS, 0x70000006) // Base address of the segment.
 126 MIPS_DYNAMIC_TAG(MIPS_MSYM, 0x70000007)         // Address of .msym section.
 127 MIPS_DYNAMIC_TAG(MIPS_CONFLICT, 0x70000008)     // Address of .conflict section.
 128 MIPS_DYNAMIC_TAG(MIPS_LIBLIST, 0x70000009)      // Address of .liblist section.
 129 MIPS_DYNAMIC_TAG(MIPS_LOCAL_GOTNO, 0x7000000a)  // Number of local global offset
 130                                                 // table entries.
 131 MIPS_DYNAMIC_TAG(MIPS_CONFLICTNO, 0x7000000b)   // Number of entries
 132                                                 // in the .conflict section.
 133 MIPS_DYNAMIC_TAG(MIPS_LIBLISTNO, 0x70000010)    // Number of entries
 134                                                 // in the .liblist section.
 135 MIPS_DYNAMIC_TAG(MIPS_SYMTABNO, 0x70000011)     // Number of entries
 136                                                 // in the .dynsym section.
 137 MIPS_DYNAMIC_TAG(MIPS_UNREFEXTNO, 0x70000012)   // Index of first external dynamic
 138                                                 // symbol not referenced locally.
 139 MIPS_DYNAMIC_TAG(MIPS_GOTSYM, 0x70000013)       // Index of first dynamic symbol
 140                                                 // in global offset table.
 141 MIPS_DYNAMIC_TAG(MIPS_HIPAGENO, 0x70000014)     // Number of page table entries
 142                                                 // in global offset table.
 143 MIPS_DYNAMIC_TAG(MIPS_RLD_MAP, 0x70000016)      // Address of run time loader map
 144                                                 // used for debugging.
 145 MIPS_DYNAMIC_TAG(MIPS_DELTA_CLASS, 0x70000017)    // Delta C++ class definition.
 146 MIPS_DYNAMIC_TAG(MIPS_DELTA_CLASS_NO, 0x70000018) // Number of entries
 147                                                   // in DT_MIPS_DELTA_CLASS.
 148 MIPS_DYNAMIC_TAG(MIPS_DELTA_INSTANCE, 0x70000019) // Delta C++ class instances.
 149 MIPS_DYNAMIC_TAG(MIPS_DELTA_INSTANCE_NO, 0x7000001A) // Number of entries
 150                                                      // in DT_MIPS_DELTA_INSTANCE.
 151 MIPS_DYNAMIC_TAG(MIPS_DELTA_RELOC, 0x7000001B)       // Delta relocations.
 152 MIPS_DYNAMIC_TAG(MIPS_DELTA_RELOC_NO, 0x7000001C)    // Number of entries
 153                                                      // in DT_MIPS_DELTA_RELOC.
 154 MIPS_DYNAMIC_TAG(MIPS_DELTA_SYM, 0x7000001D)         // Delta symbols that Delta
 155                                                      // relocations refer to.
 156 MIPS_DYNAMIC_TAG(MIPS_DELTA_SYM_NO, 0x7000001E)      // Number of entries
 157                                                      // in DT_MIPS_DELTA_SYM.
 158 MIPS_DYNAMIC_TAG(MIPS_DELTA_CLASSSYM, 0x70000020)    // Delta symbols that hold
 159                                                      // class declarations.
 160 MIPS_DYNAMIC_TAG(MIPS_DELTA_CLASSSYM_NO, 0x70000021) // Number of entries
 161                                                      // in DT_MIPS_DELTA_CLASSSYM.
 162
 163 MIPS_DYNAMIC_TAG(MIPS_CXX_FLAGS, 0x70000022)         // Flags indicating information
 164                                                      // about C++ flavor.
 165 MIPS_DYNAMIC_TAG(MIPS_PIXIE_INIT, 0x70000023)        // Pixie information.
 166 MIPS_DYNAMIC_TAG(MIPS_SYMBOL_LIB, 0x70000024)        // Address of .MIPS.symlib
 167 MIPS_DYNAMIC_TAG(MIPS_LOCALPAGE_GOTIDX, 0x70000025)  // The GOT index of the first PTE
 168                                                      // for a segment
 169 MIPS_DYNAMIC_TAG(MIPS_LOCAL_GOTIDX, 0x70000026)      // The GOT index of the first PTE
 170                                                      // for a local symbol
 171 MIPS_DYNAMIC_TAG(MIPS_HIDDEN_GOTIDX, 0x70000027)     // The GOT index of the first PTE
 172                                                      // for a hidden symbol
 173 MIPS_DYNAMIC_TAG(MIPS_PROTECTED_GOTIDX, 0x70000028)  // The GOT index of the first PTE
 174                                                         // for a protected symbol
 175 MIPS_DYNAMIC_TAG(MIPS_OPTIONS, 0x70000029)               // Address of `.MIPS.options'.
 176 MIPS_DYNAMIC_TAG(MIPS_INTERFACE, 0x7000002A)             // Address of `.interface'.
 177 MIPS_DYNAMIC_TAG(MIPS_DYNSTR_ALIGN, 0x7000002B)          // Unknown.
 178 MIPS_DYNAMIC_TAG(MIPS_INTERFACE_SIZE, 0x7000002C)        // Size of the .interface section.
 179 MIPS_DYNAMIC_TAG(MIPS_RLD_TEXT_RESOLVE_ADDR, 0x7000002D) // Size of rld_text_resolve
 180                                                          // function stored in the GOT.
 181 MIPS_DYNAMIC_TAG(MIPS_PERF_SUFFIX, 0x7000002E)  // Default suffix of DSO to be added
 182                                                 // by rld on dlopen() calls.
 183 MIPS_DYNAMIC_TAG(MIPS_COMPACT_SIZE, 0x7000002F) // Size of compact relocation
 184                                                 // section (O32).
 185 MIPS_DYNAMIC_TAG(MIPS_GP_VALUE, 0x70000030)     // GP value for auxiliary GOTs.
 186 MIPS_DYNAMIC_TAG(MIPS_AUX_DYNAMIC, 0x70000031)  // Address of auxiliary .dynamic.
 187 MIPS_DYNAMIC_TAG(MIPS_PLTGOT, 0x70000032)       // Address of the base of the PLTGOT.
 188 MIPS_DYNAMIC_TAG(MIPS_RWPLT, 0x70000034)        // Points to the base
 189                                                 // of a writable PLT.
 190 MIPS_DYNAMIC_TAG(MIPS_RLD_MAP_REL, 0x70000035)  // Relative offset of run time loader
 191                                                 // map, used for debugging.
 192
 193 // PPC64 specific dynamic table entries.
 194 PPC64_DYNAMIC_TAG(PPC64_GLINK, 0x70000000) // Address of 32 bytes before the
 195                                            // first glink lazy resolver stub.
 196
 197 // Sun machine-independent extensions.
 198 DYNAMIC_TAG(AUXILIARY, 0x7FFFFFFD) // Shared object to load before self
 199 DYNAMIC_TAG(FILTER, 0x7FFFFFFF)    // Shared object to get values from
 200
 201
 202 #ifdef DYNAMIC_TAG_MARKER_DEFINED
 203 #undef DYNAMIC_TAG_MARKER
 204 #endif
 205 #ifdef MIPS_DYNAMIC_TAG_DEFINED
 206 #undef MIPS_DYNAMIC_TAG
 207 #undef MIPS_DYNAMIC_TAG_DEFINED
 208 #endif
 209 #ifdef HEXAGON_DYNAMIC_TAG_DEFINED
 210 #undef HEXAGON_DYNAMIC_TAG
 211 #undef HEXAGON_DYNAMIC_TAG_DEFINED
 212 #endif
 213 #ifdef PPC64_DYNAMIC_TAG_DEFINED
 214 #undef PPC64_DYNAMIC_TAG
 215 #undef PPC64_DYNAMIC_TAG_DEFINED
 216 #endif