libelf/abstract.h

   1 /* Abstract description of component ELF types.
   2    Copyright (C) 1998, 1999, 2000, 2002, 2004, 2007 Red Hat, Inc.
   3    This file is part of Red Hat elfutils.
   4    Written by Ulrich Drepper <drepper@redhat.com>, 1998.
   5
   6    Red Hat elfutils is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by the
   8    Free Software Foundation; version 2 of the License.
   9
  10    Red Hat elfutils is distributed in the hope that it will be useful, but
  11    WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License along
  16    with Red Hat elfutils; if not, write to the Free Software Foundation,
  17    Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
  18
  19    In addition, as a special exception, Red Hat, Inc. gives You the
  20    additional right to link the code of Red Hat elfutils with code licensed
  21    under any Open Source Initiative certified open source license
  22    (http://www.opensource.org/licenses/index.php) which requires the
  23    distribution of source code with any binary distribution and to
  24    distribute linked combinations of the two.  Non-GPL Code permitted under
  25    this exception must only link to the code of Red Hat elfutils through
  26    those well defined interfaces identified in the file named EXCEPTION
  27    found in the source code files (the "Approved Interfaces").  The files
  28    of Non-GPL Code may instantiate templates or use macros or inline
  29    functions from the Approved Interfaces without causing the resulting
  30    work to be covered by the GNU General Public License.  Only Red Hat,
  31    Inc. may make changes or additions to the list of Approved Interfaces.
  32    Red Hat's grant of this exception is conditioned upon your not adding
  33    any new exceptions.  If you wish to add a new Approved Interface or
  34    exception, please contact Red Hat.  You must obey the GNU General Public
  35    License in all respects for all of the Red Hat elfutils code and other
  36    code used in conjunction with Red Hat elfutils except the Non-GPL Code
  37    covered by this exception.  If you modify this file, you may extend this
  38    exception to your version of the file, but you are not obligated to do
  39    so.  If you do not wish to provide this exception without modification,
  40    you must delete this exception statement from your version and license
  41    this file solely under the GPL without exception.
  42
  43    Red Hat elfutils is an included package of the Open Invention Network.
  44    An included package of the Open Invention Network is a package for which
  45    Open Invention Network licensees cross-license their patents.  No patent
  46    license is granted, either expressly or impliedly, by designation as an
  47    included package.  Should you wish to participate in the Open Invention
  48    Network licensing program, please visit www.openinventionnetwork.com
  49    <http://www.openinventionnetwork.com>.  */
  50
  51 /* ELF header.  */
  52 #define Ehdr(Bits, Ext) \
  53 START (Bits, Ehdr, Ext##Ehdr)                                                 \
  54   TYPE_EXTRA (unsigned char e_ident[EI_NIDENT];)                              \
  55   TYPE_XLATE (memmove (tdest->e_ident, tsrc->e_ident, EI_NIDENT);)            \
  56   TYPE_NAME (ElfW2(Bits, Ext##Half), e_type)                                  \
  57   TYPE_NAME (ElfW2(Bits, Ext##Half), e_machine)                               \
  58   TYPE_NAME (ElfW2(Bits, Ext##Word), e_version)                               \
  59   TYPE_NAME (ElfW2(Bits, Ext##Addr), e_entry)                                 \
  60   TYPE_NAME (ElfW2(Bits, Ext##Off), e_phoff)                                  \
  61   TYPE_NAME (ElfW2(Bits, Ext##Off), e_shoff)                                  \
  62   TYPE_NAME (ElfW2(Bits, Ext##Word), e_flags)                                 \
  63   TYPE_NAME (ElfW2(Bits, Ext##Half), e_ehsize)                                \
  64   TYPE_NAME (ElfW2(Bits, Ext##Half), e_phentsize)                             \
  65   TYPE_NAME (ElfW2(Bits, Ext##Half), e_phnum)                                 \
  66   TYPE_NAME (ElfW2(Bits, Ext##Half), e_shentsize)                             \
  67   TYPE_NAME (ElfW2(Bits, Ext##Half), e_shnum)                                 \
  68   TYPE_NAME (ElfW2(Bits, Ext##Half), e_shstrndx)                              \
  69 END (Bits, Ext##Ehdr)
  70
  71 #define Ehdr32(Ext) \
  72   Ehdr(32, Ext)
  73 #define Ehdr64(Ext) \
  74   Ehdr(64, Ext)
  75
  76
  77 /* Program header.  */
  78 #define Phdr32(Ext) \
  79 START (32, Phdr, Ext##Phdr)                                                   \
  80   TYPE_NAME (ElfW2(32, Ext##Word), p_type)                                    \
  81   TYPE_NAME (ElfW2(32, Ext##Off), p_offset)                                   \
  82   TYPE_NAME (ElfW2(32, Ext##Addr), p_vaddr)                                   \
  83   TYPE_NAME (ElfW2(32, Ext##Addr), p_paddr)                                   \
  84   TYPE_NAME (ElfW2(32, Ext##Word), p_filesz)                                  \
  85   TYPE_NAME (ElfW2(32, Ext##Word), p_memsz)                                   \
  86   TYPE_NAME (ElfW2(32, Ext##Word), p_flags)                                   \
  87   TYPE_NAME (ElfW2(32, Ext##Word), p_align)                                   \
  88 END (32, Ext##Phdr)
  89 #define Phdr64(Ext) \
  90 START (64, Phdr, Ext##Phdr)                                                   \
  91   TYPE_NAME (ElfW2(64, Ext##Word), p_type)                                    \
  92   TYPE_NAME (ElfW2(64, Ext##Word), p_flags)                                   \
  93   TYPE_NAME (ElfW2(64, Ext##Off), p_offset)                                   \
  94   TYPE_NAME (ElfW2(64, Ext##Addr), p_vaddr)                                   \
  95   TYPE_NAME (ElfW2(64, Ext##Addr), p_paddr)                                   \
  96   TYPE_NAME (ElfW2(64, Ext##Xword), p_filesz)                                 \
  97   TYPE_NAME (ElfW2(64, Ext##Xword), p_memsz)                                  \
  98   TYPE_NAME (ElfW2(64, Ext##Xword), p_align)                                  \
  99 END (64, Ext##Phdr)
 100
 101
 102 /* Section header.  */
 103 #define Shdr32(Ext) \
 104 START (32, Shdr, Ext##Shdr)                                                   \
 105   TYPE_NAME (ElfW2(32, Ext##Word), sh_name)                                   \
 106   TYPE_NAME (ElfW2(32, Ext##Word), sh_type)                                   \
 107   TYPE_NAME (ElfW2(32, Ext##Word), sh_flags)                                  \
 108   TYPE_NAME (ElfW2(32, Ext##Addr), sh_addr)                                   \
 109   TYPE_NAME (ElfW2(32, Ext##Off), sh_offset)                                  \
 110   TYPE_NAME (ElfW2(32, Ext##Word), sh_size)                                   \
 111   TYPE_NAME (ElfW2(32, Ext##Word), sh_link)                                   \
 112   TYPE_NAME (ElfW2(32, Ext##Word), sh_info)                                   \
 113   TYPE_NAME (ElfW2(32, Ext##Word), sh_addralign)                              \
 114   TYPE_NAME (ElfW2(32, Ext##Word), sh_entsize)                                \
 115 END (32, Ext##Shdr)
 116 #define Shdr64(Ext) \
 117 START (64, Shdr, Ext##Shdr)                                                   \
 118   TYPE_NAME (ElfW2(64, Ext##Word), sh_name)                                   \
 119   TYPE_NAME (ElfW2(64, Ext##Word), sh_type)                                   \
 120   TYPE_NAME (ElfW2(64, Ext##Xword), sh_flags)                                 \
 121   TYPE_NAME (ElfW2(64, Ext##Addr), sh_addr)                                   \
 122   TYPE_NAME (ElfW2(64, Ext##Off), sh_offset)                                  \
 123   TYPE_NAME (ElfW2(64, Ext##Xword), sh_size)                                  \
 124   TYPE_NAME (ElfW2(64, Ext##Word), sh_link)                                   \
 125   TYPE_NAME (ElfW2(64, Ext##Word), sh_info)                                   \
 126   TYPE_NAME (ElfW2(64, Ext##Xword), sh_addralign)                             \
 127   TYPE_NAME (ElfW2(64, Ext##Xword), sh_entsize)                               \
 128 END (64, Ext##Shdr)
 129
 130
 131 /* Symbol table.  */
 132 #define Sym32(Ext) \
 133 START (32, Sym, Ext##Sym)                                                     \
 134   TYPE_NAME (ElfW2(32, Ext##Word), st_name)                                   \
 135   TYPE_NAME (ElfW2(32, Ext##Addr), st_value)                                  \
 136   TYPE_NAME (ElfW2(32, Ext##Word), st_size)                                   \
 137   TYPE_EXTRA (unsigned char st_info;)                                         \
 138   TYPE_XLATE (tdest->st_info = tsrc->st_info;)                                \
 139   TYPE_EXTRA (unsigned char st_other;)                                        \
 140   TYPE_XLATE (tdest->st_other = tsrc->st_other;)                              \
 141   TYPE_NAME (ElfW2(32, Ext##Half), st_shndx)                                  \
 142 END (32, Ext##Sym)
 143 #define Sym64(Ext) \
 144 START (64, Sym, Ext##Sym)                                                     \
 145   TYPE_NAME (ElfW2(64, Ext##Word), st_name)                                   \
 146   TYPE_EXTRA (unsigned char st_info;)                                         \
 147   TYPE_XLATE (tdest->st_info = tsrc->st_info;)                                \
 148   TYPE_EXTRA (unsigned char st_other;)                                        \
 149   TYPE_XLATE (tdest->st_other = tsrc->st_other;)                              \
 150   TYPE_NAME (ElfW2(64, Ext##Half), st_shndx)                                  \
 151   TYPE_NAME (ElfW2(64, Ext##Addr), st_value)                                  \
 152   TYPE_NAME (ElfW2(64, Ext##Xword), st_size)                                  \
 153 END (64, Ext##Sym)
 154
 155
 156 /* Relocation.  */
 157 #define Rel32(Ext) \
 158 START (32, Rel, Ext##Rel)                                                     \
 159   TYPE_NAME (ElfW2(32, Ext##Addr), r_offset)                                  \
 160   TYPE_NAME (ElfW2(32, Ext##Word), r_info)                                    \
 161 END (32, Ext##Rel)
 162 #define Rel64(Ext) \
 163 START (64, Rel, Ext##Rel)                                                     \
 164   TYPE_NAME (ElfW2(64, Ext##Addr), r_offset)                                  \
 165   TYPE_NAME (ElfW2(64, Ext##Xword), r_info)                                   \
 166 END (64, Ext##Rel)
 167
 168 #define Rela32(Ext) \
 169 START (32, Rela, Ext##Rela)                                                   \
 170   TYPE_NAME (ElfW2(32, Ext##Addr), r_offset)                                  \
 171   TYPE_NAME (ElfW2(32, Ext##Word), r_info)                                    \
 172   TYPE_NAME (ElfW2(32, Ext##Sword), r_addend)                                 \
 173 END (32, Ext##Rela)
 174 #define Rela64(Ext) \
 175 START (64, Rela, Ext##Rela)                                                   \
 176   TYPE_NAME (ElfW2(64, Ext##Addr), r_offset)                                  \
 177   TYPE_NAME (ElfW2(64, Ext##Xword), r_info)                                   \
 178   TYPE_NAME (ElfW2(64, Ext##Sxword), r_addend)                                \
 179 END (64, Ext##Rela)
 180
 181
 182 /* Note entry header.  */
 183 #define Note(Bits, Ext) \
 184 START (Bits, Nhdr, Ext##Nhdr)                                                 \
 185   TYPE_NAME (ElfW2(Bits, Ext##Word), n_namesz)                                \
 186   TYPE_NAME (ElfW2(Bits, Ext##Word), n_descsz)                                \
 187   TYPE_NAME (ElfW2(Bits, Ext##Word), n_type)                                  \
 188 END (Bits, Ext##Nhdr)
 189
 190 #define Note32(Ext) \
 191   Note (32, Ext)
 192 #define Note64(Ext) \
 193   Note (64, Ext)
 194
 195
 196 /* Dynamic section data.  */
 197 #define Dyn32(Ext) \
 198 START (32, Dyn, Ext##Dyn)                                                     \
 199   TYPE_NAME (ElfW2(32, Ext##Sword), d_tag)                                    \
 200   TYPE_EXTRA (union {)                                                        \
 201   TYPE_EXTRA (ElfW2(32, Ext##Word) d_val;)                                    \
 202   TYPE_EXTRA (ElfW2(32, Ext##Addr) d_ptr;)                                    \
 203   TYPE_XLATE (Elf32_cvt_Addr1 (&tdest->d_un.d_val, &tsrc->d_un.d_val);)       \
 204   TYPE_EXTRA (ElfW2(32, Ext##Off) d_off;)                                     \
 205   TYPE_EXTRA (} d_un;)                                                        \
 206 END (32, Ext##Dyn)
 207 #define Dyn64(Ext) \
 208 START (64, Dyn, Ext##Dyn)                                                     \
 209   TYPE_NAME (ElfW2(64, Ext##Xword), d_tag)                                    \
 210   TYPE_EXTRA (union {)                                                        \
 211   TYPE_EXTRA (ElfW2(64, Ext##Xword) d_val;)                                   \
 212   TYPE_EXTRA (ElfW2(64, Ext##Addr) d_ptr;)                                    \
 213   TYPE_XLATE (Elf64_cvt_Addr1 (&tdest->d_un.d_val, &tsrc->d_un.d_val);)       \
 214   TYPE_EXTRA (} d_un;)                                                        \
 215 END (64, Ext##Dyn)
 216
 217
 218 #ifndef GENERATE_CONVERSION
 219 /* Version definitions.  */
 220 # define Verdef(Bits, Ext) \
 221 START (Bits, Verdef, Ext##Verdef)                                             \
 222   TYPE_NAME (ElfW2(Bits, Ext##Half), vd_version)                              \
 223   TYPE_NAME (ElfW2(Bits, Ext##Half), vd_flags)                                \
 224   TYPE_NAME (ElfW2(Bits, Ext##Half), vd_ndx)                                  \
 225   TYPE_NAME (ElfW2(Bits, Ext##Half), vd_cnt)                                  \
 226   TYPE_NAME (ElfW2(Bits, Ext##Word), vd_hash)                                 \
 227   TYPE_NAME (ElfW2(Bits, Ext##Word), vd_aux)                                  \
 228   TYPE_NAME (ElfW2(Bits, Ext##Word), vd_next)                                 \
 229 END (Bits, Ext##Verdef)
 230
 231 # define Verdef32(Ext) \
 232   Verdef (32, Ext)
 233 # define Verdef64(Ext) \
 234   Verdef (64, Ext)
 235
 236 # define Verdaux(Bits, Ext) \
 237 START (Bits, Verdaux, Ext##Verdaux)                                           \
 238   TYPE_NAME (ElfW2(Bits, Ext##Word), vda_name)                                \
 239   TYPE_NAME (ElfW2(Bits, Ext##Word), vda_next)                                \
 240 END (Bits, Ext##Verdaux)
 241
 242 # define Verdaux32(Ext) \
 243   Verdaux (32, Ext)
 244 # define Verdaux64(Ext) \
 245   Verdaux (64, Ext)
 246
 247 /* Required versions.  */
 248 # define Verneed(Bits, Ext) \
 249 START (Bits, Verneed, Ext##Verneed)                                           \
 250   TYPE_NAME (ElfW2(Bits, Ext##Half), vn_version)                              \
 251   TYPE_NAME (ElfW2(Bits, Ext##Half), vn_cnt)                                  \
 252   TYPE_NAME (ElfW2(Bits, Ext##Word), vn_file)                                 \
 253   TYPE_NAME (ElfW2(Bits, Ext##Word), vn_aux)                                  \
 254   TYPE_NAME (ElfW2(Bits, Ext##Word), vn_next)                                 \
 255 END (Bits, Ext##Verneed)
 256
 257 # define Verneed32(Ext) \
 258   Verneed (32, Ext)
 259 # define Verneed64(Ext) \
 260   Verneed (64, Ext)
 261
 262 # define Vernaux(Bits, Ext) \
 263 START (Bits, Vernaux, Ext##Vernaux)                                           \
 264   TYPE_NAME (ElfW2(Bits, Ext##Word), vna_hash)                                \
 265   TYPE_NAME (ElfW2(Bits, Ext##Half), vna_flags)                               \
 266   TYPE_NAME (ElfW2(Bits, Ext##Half), vna_other)                               \
 267   TYPE_NAME (ElfW2(Bits, Ext##Word), vna_name)                                \
 268   TYPE_NAME (ElfW2(Bits, Ext##Word), vna_next)                                \
 269 END (Bits, Ext##Vernaux)
 270
 271 # define Vernaux32(Ext) \
 272   Vernaux (32, Ext)
 273 # define Vernaux64(Ext) \
 274   Vernaux (64, Ext)
 275 #endif
 276
 277 /* Symbol information.  */
 278 #define Syminfo(Bits, Ext) \
 279 START (Bits, Syminfo, Ext##Syminfo)                                           \
 280   TYPE_NAME (ElfW2(Bits, Ext##Half), si_boundto)                              \
 281   TYPE_NAME (ElfW2(Bits, Ext##Half), si_flags)                                \
 282 END (Bits, Ext##Syminfo)
 283
 284 #define Syminfo32(Ext) \
 285   Syminfo (32, Ext)
 286 #define Syminfo64(Ext) \
 287   Syminfo (64, Ext)
 288
 289 /* Move information.  */
 290 #define Move(Bits, Ext) \
 291 START (Bits, Move, Ext##Move)                                                 \
 292   TYPE_NAME (ElfW2(Bits, Ext##Xword), m_value)                                \
 293   TYPE_NAME (ElfW2(Bits, Ext##Xword), m_info)                                 \
 294   TYPE_NAME (ElfW2(Bits, Ext##Xword), m_poffset)                              \
 295   TYPE_NAME (ElfW2(Bits, Ext##Half), m_repeat)                                \
 296   TYPE_NAME (ElfW2(Bits, Ext##Half), m_stride)                                \
 297 END (Bits, Ext##Move)
 298
 299 #define Move32(Ext) \
 300   Move (32, Ext)
 301 #define Move64(Ext) \
 302   Move (64, Ext)
 303
 304 #define Lib(Bits, Ext) \
 305 START (Bits, Lib, Ext##Lib)                                                   \
 306   TYPE_NAME (ElfW2(Bits, Ext##Word), l_name)                                  \
 307   TYPE_NAME (ElfW2(Bits, Ext##Word), l_time_stamp)                            \
 308   TYPE_NAME (ElfW2(Bits, Ext##Word), l_checksum)                              \
 309   TYPE_NAME (ElfW2(Bits, Ext##Word), l_version)                               \
 310   TYPE_NAME (ElfW2(Bits, Ext##Word), l_flags)                                 \
 311 END (Bits, Ext##Lib)
 312
 313 #define Lib32(Ext) \
 314   Lib (32, Ext)
 315 #define Lib64(Ext) \
 316   Lib (64, Ext)
 317
 318 #define auxv_t32(Ext) \
 319 START (32, auxv_t, Ext##auxv_t)                                               \
 320   TYPE_NAME (ElfW2(32, Ext##Word), a_type)                                    \
 321   TYPE_EXTRA (union {)                                                        \
 322   TYPE_EXTRA (ElfW2(32, Ext##Word) a_val;)                                    \
 323   TYPE_XLATE (Elf32_cvt_Addr1 (&tdest->a_un.a_val, &tsrc->a_un.a_val);)       \
 324   TYPE_EXTRA (} a_un;)                                                        \
 325 END (32, Ext##auxv_t)
 326 #define auxv_t64(Ext) \
 327 START (64, auxv_t, Ext##auxv_t)                                               \
 328   TYPE_NAME (ElfW2(64, Ext##Xword), a_type)                                   \
 329   TYPE_EXTRA (union {)                                                        \
 330   TYPE_EXTRA (ElfW2(64, Ext##Xword) a_val;)                                   \
 331   TYPE_XLATE (Elf64_cvt_Addr1 (&tdest->a_un.a_val, &tsrc->a_un.a_val);)       \
 332   TYPE_EXTRA (} a_un;)                                                        \
 333 END (64, Ext##auxv_t)