include/elf/ia64.h

   1 /* IA-64 ELF support for BFD.
   2    Copyright 1998, 1999, 2000 Free Software Foundation, Inc.
   3    Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
   4
   5 This file is part of BFD, the Binary File Descriptor library.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21
  22 #ifndef _ELF_IA64_H
  23 #define _ELF_IA64_H
  24
  25 /* Bits in the e_flags field of the Elf64_Ehdr:  */
  26
  27 #define EF_IA_64_MASKOS  0x0000000f     /* os-specific flags */
  28 #define EF_IA_64_ARCH    0xff000000     /* arch. version mask */
  29
  30 /* ??? These four definitions are not part of the SVR4 ABI.
  31    They were present in David's initial code drop, so it is probable
  32    that they are used by HP/UX.  */
  33 #define EF_IA_64_TRAPNIL (1 << 0)       /* trap NIL pointer dereferences */
  34 #define EF_IA_64_EXT     (1 << 2)       /* program uses arch. extensions */
  35 #define EF_IA_64_BE      (1 << 3)       /* PSR BE bit set (big-endian) */
  36 #define EFA_IA_64_EAS2_3 0x23000000     /* ia64 EAS 2.3 */
  37
  38 #define EF_IA_64_ABI64              (1 << 4) /* 64-bit ABI */
  39 /* Not used yet.  */
  40 #define EF_IA_64_REDUCEDFP          (1 << 5) /* Only FP6-FP11 used.  */
  41 #define EF_IA_64_CONS_GP            (1 << 6) /* gp as program wide constant. */
  42 #define EF_IA_64_NOFUNCDESC_CONS_GP (1 << 7) /* And no function descriptors. */
  43 /* Not used yet.  */
  44 #define EF_IA_64_ABSOLUTE           (1 << 8) /* Load at absolute addresses.  */
  45
  46 #define ELF_STRING_ia64_archext         ".IA_64.archext"
  47 #define ELF_STRING_ia64_pltoff          ".IA_64.pltoff"
  48 #define ELF_STRING_ia64_unwind          ".IA_64.unwind"
  49 #define ELF_STRING_ia64_unwind_info     ".IA_64.unwind_info"
  50 #define ELF_STRING_ia64_unwind_once     ".gnu.linkonce.ia64unw."
  51 #define ELF_STRING_ia64_unwind_info_once ".gnu.linkonce.ia64unwi."
  52 /* .IA_64.unwind_hdr is only used by HP-UX.  */
  53 #define ELF_STRING_ia64_unwind_hdr      ".IA_64.unwind_hdr"
  54
  55 /* Bits in the sh_flags field of Elf64_Shdr:  */
  56
  57 #define SHF_IA_64_SHORT         0x10000000      /* section near gp */
  58 #define SHF_IA_64_NORECOV       0x20000000      /* spec insns w/o recovery */
  59
  60 /* Possible values for sh_type in Elf64_Shdr: */
  61
  62 #define SHT_IA_64_EXT           (SHT_LOPROC + 0)        /* extension bits */
  63 #define SHT_IA_64_UNWIND        (SHT_LOPROC + 1)        /* unwind bits */
  64
  65 /* SHT_IA_64_HP_OPT_ANOT is only generated by HPUX compilers for its
  66    optimization annotation section.  GCC does not generate it but we
  67    want readelf to know what they are.  Do not use two capital Ns in
  68    annotate or sed will turn it into 32 or 64 during the build.  */
  69 #define SHT_IA_64_HP_OPT_ANOT   0x60000004
  70
  71 /* Bits in the p_flags field of Elf64_Phdr:  */
  72
  73 #define PF_IA_64_NORECOV        0x80000000
  74
  75 /* Possible values for p_type in Elf64_Phdr:  */
  76
  77 #define PT_IA_64_ARCHEXT        (PT_LOPROC + 0) /* arch extension bits */
  78 #define PT_IA_64_UNWIND         (PT_LOPROC + 1) /* ia64 unwind bits */
  79
  80 /* HP-UX specific values for p_type in Elf64_Phdr.
  81    These values are currently just used to make
  82    readelf more usable on HP-UX.  */
  83
  84 #define PT_IA_64_HP_OPT_ANOT    (PT_LOOS + 0x12)
  85 #define PT_IA_64_HP_HSL_ANOT    (PT_LOOS + 0x13)
  86 #define PT_IA_64_HP_STACK       (PT_LOOS + 0x14)
  87
  88 /* Possible values for d_tag in Elf64_Dyn:  */
  89
  90 #define DT_IA_64_PLT_RESERVE    (DT_LOPROC + 0)
  91
  92 /* This section only used by HP-UX, The HP linker gives weak symbols
  93    precedence over regular common symbols.  We want common to override
  94    weak.  Using this common instead of SHN_COMMON does that.  */
  95
  96 #define SHN_IA_64_ANSI_COMMON 0xFF00
  97
  98 /* ia64-specific relocation types: */
  99
 100 /* Relocs apply to specific instructions within a bundle.  The least
 101    significant 2 bits of the address indicate which instruction in the
 102    bundle the reloc refers to (0=first slot, 1=second slow, 2=third
 103    slot, 3=undefined) and the remaining bits give the address of the
 104    bundle (16 byte aligned).
 105
 106    The top 5 bits of the reloc code specifies the expression type, the
 107    low 3 bits the format of the data word being relocated.  */
 108
 109 #include "elf/reloc-macros.h"
 110
 111 START_RELOC_NUMBERS (elf_ia64_reloc_type)
 112   RELOC_NUMBER (R_IA64_NONE, 0x00)      /* none */
 113
 114   RELOC_NUMBER (R_IA64_IMM14, 0x21)     /* symbol + addend, add imm14 */
 115   RELOC_NUMBER (R_IA64_IMM22, 0x22)     /* symbol + addend, add imm22 */
 116   RELOC_NUMBER (R_IA64_IMM64, 0x23)     /* symbol + addend, mov imm64 */
 117   RELOC_NUMBER (R_IA64_DIR32MSB, 0x24)  /* symbol + addend, data4 MSB */
 118   RELOC_NUMBER (R_IA64_DIR32LSB, 0x25)  /* symbol + addend, data4 LSB */
 119   RELOC_NUMBER (R_IA64_DIR64MSB, 0x26)  /* symbol + addend, data8 MSB */
 120   RELOC_NUMBER (R_IA64_DIR64LSB, 0x27)  /* symbol + addend, data8 LSB */
 121
 122   RELOC_NUMBER (R_IA64_GPREL22, 0x2a)   /* @gprel(sym+add), add imm22 */
 123   RELOC_NUMBER (R_IA64_GPREL64I, 0x2b)  /* @gprel(sym+add), mov imm64 */
 124   RELOC_NUMBER (R_IA64_GPREL32MSB, 0x2c) /* @gprel(sym+add), data4 MSB */
 125   RELOC_NUMBER (R_IA64_GPREL32LSB, 0x2d) /* @gprel(sym+add), data4 LSB */
 126   RELOC_NUMBER (R_IA64_GPREL64MSB, 0x2e) /* @gprel(sym+add), data8 MSB */
 127   RELOC_NUMBER (R_IA64_GPREL64LSB, 0x2f) /* @gprel(sym+add), data8 LSB */
 128
 129   RELOC_NUMBER (R_IA64_LTOFF22, 0x32)   /* @ltoff(sym+add), add imm22 */
 130   RELOC_NUMBER (R_IA64_LTOFF64I, 0x33)  /* @ltoff(sym+add), mov imm64 */
 131
 132   RELOC_NUMBER (R_IA64_PLTOFF22, 0x3a)  /* @pltoff(sym+add), add imm22 */
 133   RELOC_NUMBER (R_IA64_PLTOFF64I, 0x3b) /* @pltoff(sym+add), mov imm64 */
 134   RELOC_NUMBER (R_IA64_PLTOFF64MSB, 0x3e) /* @pltoff(sym+add), data8 MSB */
 135   RELOC_NUMBER (R_IA64_PLTOFF64LSB, 0x3f) /* @pltoff(sym+add), data8 LSB */
 136
 137   RELOC_NUMBER (R_IA64_FPTR64I, 0x43)   /* @fptr(sym+add), mov imm64 */
 138   RELOC_NUMBER (R_IA64_FPTR32MSB, 0x44) /* @fptr(sym+add), data4 MSB */
 139   RELOC_NUMBER (R_IA64_FPTR32LSB, 0x45) /* @fptr(sym+add), data4 LSB */
 140   RELOC_NUMBER (R_IA64_FPTR64MSB, 0x46) /* @fptr(sym+add), data8 MSB */
 141   RELOC_NUMBER (R_IA64_FPTR64LSB, 0x47) /* @fptr(sym+add), data8 LSB */
 142
 143   RELOC_NUMBER (R_IA64_PCREL60B, 0x48)  /* @pcrel(sym+add), brl */
 144   RELOC_NUMBER (R_IA64_PCREL21B, 0x49)  /* @pcrel(sym+add), ptb, call */
 145   RELOC_NUMBER (R_IA64_PCREL21M, 0x4a)  /* @pcrel(sym+add), chk.s */
 146   RELOC_NUMBER (R_IA64_PCREL21F, 0x4b)  /* @pcrel(sym+add), fchkf */
 147   RELOC_NUMBER (R_IA64_PCREL32MSB, 0x4c) /* @pcrel(sym+add), data4 MSB */
 148   RELOC_NUMBER (R_IA64_PCREL32LSB, 0x4d) /* @pcrel(sym+add), data4 LSB */
 149   RELOC_NUMBER (R_IA64_PCREL64MSB, 0x4e) /* @pcrel(sym+add), data8 MSB */
 150   RELOC_NUMBER (R_IA64_PCREL64LSB, 0x4f) /* @pcrel(sym+add), data8 LSB */
 151
 152   RELOC_NUMBER (R_IA64_LTOFF_FPTR22, 0x52) /* @ltoff(@fptr(s+a)), imm22 */
 153   RELOC_NUMBER (R_IA64_LTOFF_FPTR64I, 0x53) /* @ltoff(@fptr(s+a)), imm64 */
 154   RELOC_NUMBER (R_IA64_LTOFF_FPTR32MSB, 0x54) /* @ltoff(@fptr(s+a)), 4 MSB */
 155   RELOC_NUMBER (R_IA64_LTOFF_FPTR32LSB, 0x55) /* @ltoff(@fptr(s+a)), 4 LSB */
 156   RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB */
 157   RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB */
 158
 159   RELOC_NUMBER (R_IA64_SEGREL32MSB, 0x5c) /* @segrel(sym+add), data4 MSB */
 160   RELOC_NUMBER (R_IA64_SEGREL32LSB, 0x5d) /* @segrel(sym+add), data4 LSB */
 161   RELOC_NUMBER (R_IA64_SEGREL64MSB, 0x5e) /* @segrel(sym+add), data8 MSB */
 162   RELOC_NUMBER (R_IA64_SEGREL64LSB, 0x5f) /* @segrel(sym+add), data8 LSB */
 163
 164   RELOC_NUMBER (R_IA64_SECREL32MSB, 0x64) /* @secrel(sym+add), data4 MSB */
 165   RELOC_NUMBER (R_IA64_SECREL32LSB, 0x65) /* @secrel(sym+add), data4 LSB */
 166   RELOC_NUMBER (R_IA64_SECREL64MSB, 0x66) /* @secrel(sym+add), data8 MSB */
 167   RELOC_NUMBER (R_IA64_SECREL64LSB, 0x67) /* @secrel(sym+add), data8 LSB */
 168
 169   RELOC_NUMBER (R_IA64_REL32MSB, 0x6c)  /* data 4 + REL */
 170   RELOC_NUMBER (R_IA64_REL32LSB, 0x6d)  /* data 4 + REL */
 171   RELOC_NUMBER (R_IA64_REL64MSB, 0x6e)  /* data 8 + REL */
 172   RELOC_NUMBER (R_IA64_REL64LSB, 0x6f)  /* data 8 + REL */
 173
 174   RELOC_NUMBER (R_IA64_LTV32MSB, 0x74)  /* symbol + addend, data4 MSB */
 175   RELOC_NUMBER (R_IA64_LTV32LSB, 0x75)  /* symbol + addend, data4 LSB */
 176   RELOC_NUMBER (R_IA64_LTV64MSB, 0x76)  /* symbol + addend, data8 MSB */
 177   RELOC_NUMBER (R_IA64_LTV64LSB, 0x77)  /* symbol + addend, data8 LSB */
 178
 179   RELOC_NUMBER (R_IA64_PCREL21BI, 0x79) /* @pcrel(sym+add), ptb, call */
 180   RELOC_NUMBER (R_IA64_PCREL22, 0x7a)   /* @pcrel(sym+add), imm22 */
 181   RELOC_NUMBER (R_IA64_PCREL64I, 0x7b)  /* @pcrel(sym+add), imm64 */
 182
 183   RELOC_NUMBER (R_IA64_IPLTMSB, 0x80)   /* dynamic reloc, imported PLT, MSB */
 184   RELOC_NUMBER (R_IA64_IPLTLSB, 0x81)   /* dynamic reloc, imported PLT, LSB */
 185   RELOC_NUMBER (R_IA64_COPY, 0x84)      /* dynamic reloc, data copy */
 186   RELOC_NUMBER (R_IA64_LTOFF22X, 0x86)  /* LTOFF22, relaxable.  */
 187   RELOC_NUMBER (R_IA64_LDXMOV, 0x87)    /* Use of LTOFF22X.  */
 188
 189   RELOC_NUMBER (R_IA64_TPREL14, 0x91)    /* @tprel(sym+add), add imm14 */
 190   RELOC_NUMBER (R_IA64_TPREL22, 0x92)    /* @tprel(sym+add), add imm22 */
 191   RELOC_NUMBER (R_IA64_TPREL64I, 0x93)   /* @tprel(sym+add), add imm64 */
 192   RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* @tprel(sym+add), data8 MSB */
 193   RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* @tprel(sym+add), data8 LSB */
 194
 195   RELOC_NUMBER (R_IA64_LTOFF_TPREL22, 0x9a) /* @ltoff(@tprel(s+a)), add imm22 */
 196
 197   RELOC_NUMBER (R_IA64_DTPMOD64MSB, 0xa6) /* @dtpmod(sym+add), data8 MSB */
 198   RELOC_NUMBER (R_IA64_DTPMOD64LSB, 0xa7) /* @dtpmod(sym+add), data8 LSB */
 199   RELOC_NUMBER (R_IA64_LTOFF_DTPMOD22, 0xaa) /* @ltoff(@dtpmod(s+a)), imm22 */
 200
 201   RELOC_NUMBER (R_IA64_DTPREL14, 0xb1)    /* @dtprel(sym+add), imm14 */
 202   RELOC_NUMBER (R_IA64_DTPREL22, 0xb2)    /* @dtprel(sym+add), imm22 */
 203   RELOC_NUMBER (R_IA64_DTPREL64I, 0xb3)   /* @dtprel(sym+add), imm64 */
 204   RELOC_NUMBER (R_IA64_DTPREL32MSB, 0xb4) /* @dtprel(sym+add), data4 MSB */
 205   RELOC_NUMBER (R_IA64_DTPREL32LSB, 0xb5) /* @dtprel(sym+add), data4 LSB */
 206   RELOC_NUMBER (R_IA64_DTPREL64MSB, 0xb6) /* @dtprel(sym+add), data8 MSB */
 207   RELOC_NUMBER (R_IA64_DTPREL64LSB, 0xb7) /* @dtprel(sym+add), data8 LSB */
 208
 209   RELOC_NUMBER (R_IA64_LTOFF_DTPREL22, 0xba) /* @ltoff(@dtprel(s+a)), imm22 */
 210
 211   FAKE_RELOC (R_IA64_MAX_RELOC_CODE, 0xba)
 212 END_RELOC_NUMBERS (R_IA64_max)
 213
 214 #endif /* _ELF_IA64_H */