sysdeps/unix/sysv/linux/arm/ldsodefs.h

   1 /* Run-time dynamic linker data structures for loaded ELF shared objects.
   2    Copyright (C) 2010 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _ARM_LINUX_LDSODEFS_H
  20 #define _ARM_LINUX_LDSODEFS_H 1
  21
  22 #include_next <ldsodefs.h>
  23
  24 #undef VALID_ELF_HEADER
  25 #undef VALID_ELF_OSABI
  26
  27 #ifdef __ARM_EABI__
  28 #define EXTRA_OSABI ELFOSABI_ARM_AEABI
  29 #else
  30 #define EXTRA_OSABI ELFOSABI_ARM
  31 #endif
  32
  33 #define VALID_ELF_HEADER(hdr,exp,size)          \
  34   (memcmp (hdr, exp, size) == 0                 \
  35    || memcmp (hdr, expected2, size) == 0        \
  36    || memcmp (hdr, expected3, size) == 0)
  37 #define VALID_ELF_OSABI(osabi)          (osabi == ELFOSABI_SYSV         \
  38                                          || osabi == EXTRA_OSABI        \
  39                                          || osabi == ELFOSABI_LINUX)
  40 #define MORE_ELF_HEADER_DATA                            \
  41   static const unsigned char expected2[EI_PAD] =        \
  42   {                                                     \
  43     [EI_MAG0] = ELFMAG0,                                \
  44     [EI_MAG1] = ELFMAG1,                                \
  45     [EI_MAG2] = ELFMAG2,                                \
  46     [EI_MAG3] = ELFMAG3,                                \
  47     [EI_CLASS] = ELFW(CLASS),                           \
  48     [EI_DATA] = byteorder,                              \
  49     [EI_VERSION] = EV_CURRENT,                          \
  50     [EI_OSABI] = ELFOSABI_LINUX                         \
  51   };                                                    \
  52   static const unsigned char expected3[EI_PAD] =        \
  53   {                                                     \
  54     [EI_MAG0] = ELFMAG0,                                \
  55     [EI_MAG1] = ELFMAG1,                                \
  56     [EI_MAG2] = ELFMAG2,                                \
  57     [EI_MAG3] = ELFMAG3,                                \
  58     [EI_CLASS] = ELFW(CLASS),                           \
  59     [EI_DATA] = byteorder,                              \
  60     [EI_VERSION] = EV_CURRENT,                          \
  61     [EI_OSABI] = EXTRA_OSABI                            \
  62   }
  63
  64 #endif