elfcpp/aarch64.h

   1 // aarch64.h -- ELF definitions specific to AARCH64  -*- C++ -*-
   2
   3 // Copyright (C) 2014-2019 Free Software Foundation, Inc.
   4 // Written by Jing Yu (jingyu@google.com)
   5
   6 // This file is part of elfcpp.
   7
   8 // This program is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU Library General Public License
  10 // as published by the Free Software Foundation; either version 2, or
  11 // (at your option) any later version.
  12
  13 // In addition to the permissions in the GNU Library General Public
  14 // License, the Free Software Foundation gives you unlimited
  15 // permission to link the compiled version of this file into
  16 // combinations with other programs, and to distribute those
  17 // combinations without any restriction coming from the use of this
  18 // file.  (The Library Public License restrictions do apply in other
  19 // respects; for example, they cover modification of the file, and
  20 /// distribution when not linked into a combined executable.)
  21
  22 // This program is distributed in the hope that it will be useful, but
  23 // WITHOUT ANY WARRANTY; without even the implied warranty of
  24 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  25 // Library General Public License for more details.
  26
  27 // You should have received a copy of the GNU Library General Public
  28 // License along with this program; if not, write to the Free Software
  29 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
  30 // 02110-1301, USA.
  31
  32 #ifndef ELFCPP_AARCH64_H
  33 #define ELFCPP_AARCH64_H
  34
  35 namespace elfcpp
  36 {
  37
  38 // The relocation type information is taken from:
  39 //
  40 //   ELF for the ARM 64-bit Architecture (AArch64)
  41 //   Document number: ARM IHI 0056B, current through AArch64 ABI release 1.0
  42 //   Date of Issue: 22nd May, 2013
  43 //
  44
  45 enum
  46 {
  47   // Null relocation codes
  48   R_AARCH64_NONE = 0,           // None
  49   R_AARCH64_withdrawn = 256,    // Treat as R_AARCH64_NONE
  50
  51   // Static relocations
  52   R_AARCH64_ABS64 = 257,        // S + A
  53   R_AARCH64_ABS32 = 258,        // S + A
  54   R_AARCH64_ABS16 = 259,        // S + A
  55   R_AARCH64_PREL64 = 260,       // S + A - P
  56   R_AARCH64_PREL32 = 261,       // S + A - P
  57   R_AARCH64_PREL16 = 262,       // S + A - P
  58   R_AARCH64_MOVW_UABS_G0 = 263,         // S + A
  59   R_AARCH64_MOVW_UABS_G0_NC = 264,      // S + A
  60   R_AARCH64_MOVW_UABS_G1 = 265,         // S + A
  61   R_AARCH64_MOVW_UABS_G1_NC = 266,      // S + A
  62   R_AARCH64_MOVW_UABS_G2 = 267,         // S + A
  63   R_AARCH64_MOVW_UABS_G2_NC = 268,      // S + A
  64   R_AARCH64_MOVW_UABS_G3 = 269,         // S + A
  65   R_AARCH64_MOVW_SABS_G0 = 270,         // S + A
  66   R_AARCH64_MOVW_SABS_G1 = 271,         // S + A
  67   R_AARCH64_MOVW_SABS_G2 = 272,         // S + A
  68   R_AARCH64_LD_PREL_LO19 = 273,         // S + A - P
  69   R_AARCH64_ADR_PREL_LO21 = 274,        // S + A - P
  70   R_AARCH64_ADR_PREL_PG_HI21 = 275,     // Page(S+A) - Page(P)
  71   R_AARCH64_ADR_PREL_PG_HI21_NC = 276,  // Page(S+A) - Page(P)
  72   R_AARCH64_ADD_ABS_LO12_NC = 277,      // S + A
  73   R_AARCH64_LDST8_ABS_LO12_NC = 278,    // S + A
  74   R_AARCH64_TSTBR14 = 279,              // S + A - P
  75   R_AARCH64_CONDBR19 = 280,             // S + A - P
  76   R_AARCH64_JUMP26 = 282,               // S + A - P
  77   R_AARCH64_CALL26 = 283,               // S + A - P
  78   R_AARCH64_LDST16_ABS_LO12_NC = 284,   // S + A
  79   R_AARCH64_LDST32_ABS_LO12_NC = 285,   // S + A
  80   R_AARCH64_LDST64_ABS_LO12_NC = 286,   // S + A
  81   R_AARCH64_MOVW_PREL_G0 = 287,         // S + A - P
  82   R_AARCH64_MOVW_PREL_G0_NC = 288,      // S + A - P
  83   R_AARCH64_MOVW_PREL_G1 = 289,         // S + A - P
  84   R_AARCH64_MOVW_PREL_G1_NC = 290,      // S + A - P
  85   R_AARCH64_MOVW_PREL_G2 = 291,         // S + A - P
  86   R_AARCH64_MOVW_PREL_G2_NC = 292,      // S + A - P
  87   R_AARCH64_MOVW_PREL_G3 = 293,         // S + A - P
  88   R_AARCH64_LDST128_ABS_LO12_NC = 299,  // S + A
  89   R_AARCH64_MOVW_GOTOFF_G0 = 300,       // G(GDAT(S+A))-GOT
  90   R_AARCH64_MOVW_GOTOFF_G0_NC = 301,    // G(GDAT(S+A))-GOT
  91   R_AARCH64_MOVW_GOTOFF_G1 = 302,       // G(GDAT(S+A))-GOT
  92   R_AARCH64_MOVW_GOTOFF_G1_NC = 303,    // G(GDAT(S+A))-GOT
  93   R_AARCH64_MOVW_GOTOFF_G2 = 304,       // G(GDAT(S+A))-GOT
  94   R_AARCH64_MOVW_GOTOFF_G2_NC = 305,    // G(GDAT(S+A))-GOT
  95   R_AARCH64_MOVW_GOTOFF_G3 = 306,       // G(GDAT(S+A))-GOT
  96   R_AARCH64_GOTREL64 = 307,             // S + A - GOT
  97   R_AARCH64_GOTREL32 = 308,             // S + A - GOT
  98   R_AARCH64_GOT_LD_PREL19 = 309,        // G(GDAT(S+A))-P
  99   R_AARCH64_LD64_GOTOFF_LO15 = 310,     // G(GDAT(S+A))-GOT
 100   R_AARCH64_ADR_GOT_PAGE = 311,         // Page(G(GDAT(S+A)))-Page(P)
 101   R_AARCH64_LD64_GOT_LO12_NC = 312,     // G(GDAT(S+A))
 102   R_AARCH64_LD64_GOTPAGE_LO15 = 313,    // G(GDAT(S+A))-Page(GOT)
 103
 104   // Relocations for thread-local storage
 105   R_AARCH64_TLSGD_ADR_PREL21 = 512,             // G(GTLSIDX(S,A)) - P
 106   R_AARCH64_TLSGD_ADR_PAGE21 = 513,             // Page(G(GTLSIDX(S,A)))-Page(P)
 107   R_AARCH64_TLSGD_ADD_LO12_NC = 514,            // G(GTLSICX(S,A))
 108   R_AARCH64_TLSGD_MOVW_G1 = 515,                // G(GTLSIDX(S,A)) - GOT
 109   R_AARCH64_TLSGD_MOVW_G0_NC = 516,             // G(GTLSIDX(S,A)) - GOT
 110
 111   R_AARCH64_TLSLD_ADR_PREL21 = 517,             // G(GLDM(S)) - P
 112   R_AARCH64_TLSLD_ADR_PAGE21 = 518,             // Page(G(GLDM(S))) - Page(P)
 113   R_AARCH64_TLSLD_ADD_LO12_NC = 519,            // G(GLDM(S))
 114   R_AARCH64_TLSLD_MOVW_G1 = 520,                // G(GLDM(S)) - GOT
 115   R_AARCH64_TLSLD_MOVW_G0_NC = 521,             // G(GLDM(S)) - GOT
 116   R_AARCH64_TLSLD_LD_PREL19 = 522,              // G(GLDM(S)) - P
 117   R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 523,         // DTPREL(S+A)
 118   R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 524,         // DTPREL(S+A)
 119   R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 525,      // DTPREL(S+A)
 120   R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 526,         // DTPREL(S+A)
 121   R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 527,      // DTPREL(S+A)
 122   R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 528,        // DTPREL(S+A)
 123   R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 529,        // DTPREL(S+A)
 124   R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 530,     // DTPREL(S+A)
 125   R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 531,      // DTPREL(S+A)
 126   R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 532,   // DTPREL(S+A)
 127   R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 533,     // DTPREL(S+A)
 128   R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 534,  // DTPREL(S+A)
 129   R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 535,     // DTPREL(S+A)
 130   R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 536,  // DTPREL(S+A)
 131   R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 537,     // DTPREL(S+A)
 132   R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 538,  // DTPREL(S+A)
 133   R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 539,       // G(GTPREL(S+A)) - GOT
 134   R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 540,    // G(GTPREL(S+A)) - GOT
 135   R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 541,    // Page(G(GTPREL(S+A)))-Page(P)
 136   R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 542,  // G(GTPREL(S+A))
 137   R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 543,     // G(GTPREL(S+A)) - P
 138   R_AARCH64_TLSLE_MOVW_TPREL_G2 = 544,          // TPREL(S+A)
 139   R_AARCH64_TLSLE_MOVW_TPREL_G1 = 545,          // TPREL(S+A)
 140   R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 546,       // TPREL(S+A)
 141   R_AARCH64_TLSLE_MOVW_TPREL_G0 = 547,          // TPREL(S+A)
 142   R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 548,       // TPREL(S+A)
 143   R_AARCH64_TLSLE_ADD_TPREL_HI12 = 549,         // TPREL(S+A)
 144   R_AARCH64_TLSLE_ADD_TPREL_LO12 = 550,         // TPREL(S+A)
 145   R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 551,      // TPREL(S+A)
 146   R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 552,       // TPREL(S+A)
 147   R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 553,    // TPREL(S+A)
 148   R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 554,      // TPREL(S+A)
 149   R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC = 555,   // TPREL(S+A)
 150   R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 556,      // TPREL(S+A)
 151   R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 557,   // TPREL(S+A)
 152   R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 558,      // TPREL(S+A)
 153   R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 559,   // TPREL(S+A)
 154   R_AARCH64_TLSDESC_LD_PREL19 = 560,    // G(GTLSDESC(S+A)) - P
 155   R_AARCH64_TLSDESC_ADR_PREL21 = 561,   // G(GTLSDESC(S+A)) - P
 156   R_AARCH64_TLSDESC_ADR_PAGE21 = 562,   // Page(G(GTLSDESC(S+A)))-Page(P)
 157   R_AARCH64_TLSDESC_LD64_LO12 = 563,    // G(GTLSDESC(S+A))
 158   R_AARCH64_TLSDESC_ADD_LO12 = 564,     // G(GTLSDESC(S+A))
 159   R_AARCH64_TLSDESC_OFF_G1 = 565,       // G(GTLSDESC(S+A)) - GOT
 160   R_AARCH64_TLSDESC_OFF_G0_NC = 566,    // G(GTLSDESC(S+A)) - GOT
 161   R_AARCH64_TLSDESC_LDR = 567,          // None
 162   R_AARCH64_TLSDESC_ADD = 568,          // None
 163   R_AARCH64_TLSDESC_CALL = 569,         // None
 164   R_AARCH64_TLSLE_LDST128_TPREL_LO12 = 570,     // TPREL(S+A)
 165   R_AARCH64_TLSLE_LDST128_TPREL_LO12_NC = 571,  // TPREL(S+A)
 166   R_AARCH64_TLSLD_LDST128_DTPREL_LO12 = 572,    // DTPREL(S+A)
 167   R_AARCH64_TLSLD_LDST128_DTPREL_LO12_NC = 573, // DTPREL(S+A)
 168
 169   // Dynamic relocations
 170   R_AARCH64_COPY = 1024,
 171   R_AARCH64_GLOB_DAT = 1025,            // S + A
 172   R_AARCH64_JUMP_SLOT = 1026,           // S + A
 173   R_AARCH64_RELATIVE = 1027,            // Delta(S) + A
 174   // Note (shenhan): the following 2 relocs are different from elf spec from
 175   // arm.  In elf docs, TLS_DTPMOD64 is defined as 1029, TLS_DTPREL64 1028.
 176   // While actually the bfd linker (and the dynamic linker) treates TLS_DTPMOD64
 177   // as 1028, TLS_DTPREL64 1029.  See binutils-gdb/include/elf/aarch64.h.
 178   R_AARCH64_TLS_DTPMOD64 = 1028,        // LDM(S)
 179   R_AARCH64_TLS_DTPREL64 = 1029,        // DTPREL(S+A)
 180   R_AARCH64_TLS_TPREL64 = 1030,         // TPREL(S+A)
 181   R_AARCH64_TLSDESC = 1031,             // TLSDESC(S+A)
 182   R_AARCH64_IRELATIVE = 1032,           // Indirect(Delta(S) + A)
 183 };
 184
 185 } // End namespace elfcpp.
 186
 187 #endif // !defined(ELFCPP_AARCH64_H)