text: /* Run-time dynamic linker data structures for loaded ELF shared objects.
     Copyright (C) 2010-2020 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
  
     The GNU C Library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) any later version.
  
     The GNU C Library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public
     License along with the GNU C Library.  If not, see
     <https://www.gnu.org/licenses/>.  */
  
  #ifndef _ARM_LINUX_LDSODEFS_H
  #define _ARM_LINUX_LDSODEFS_H 1
  
  #include_next <ldsodefs.h>
  
  #undef VALID_ELF_HEADER
  #undef VALID_ELF_OSABI
  #undef MORE_ELF_HEADER_DATA
  
  #define EXTRA_OSABI ELFOSABI_ARM_AEABI
  
  #ifdef __ARM_PCS_VFP
  # define VALID_FLOAT_ABI(x) \
    ((EF_ARM_EABI_VERSION ((x)) != EF_ARM_EABI_VER5)	\
     || !((x) & EF_ARM_ABI_FLOAT_SOFT))
  #else
  # define VALID_FLOAT_ABI(x) \
    ((EF_ARM_EABI_VERSION ((x)) != EF_ARM_EABI_VER5)	\
     || !((x) & EF_ARM_ABI_FLOAT_HARD))
  #endif
  
  #undef VALID_ELF_HEADER
  #define VALID_ELF_HEADER(hdr,exp,size)		\
    ((memcmp (hdr, exp, size) == 0		\
      || memcmp (hdr, expected2, size) == 0	\
      || memcmp (hdr, expected3, size) == 0)	\
     && VALID_FLOAT_ABI (ehdr->e_flags))
  #define VALID_ELF_OSABI(osabi)		(osabi == ELFOSABI_SYSV		\
  					 || osabi == ELFOSABI_GNU	\
  					 || osabi == EXTRA_OSABI)
  #define MORE_ELF_HEADER_DATA				\
    static const unsigned char expected2[EI_PAD] =	\
    {							\
      [EI_MAG0] = ELFMAG0,				\
      [EI_MAG1] = ELFMAG1,				\
      [EI_MAG2] = ELFMAG2,				\
      [EI_MAG3] = ELFMAG3,				\
      [EI_CLASS] = ELFW(CLASS),				\
      [EI_DATA] = byteorder,				\
      [EI_VERSION] = EV_CURRENT,				\
      [EI_OSABI] = ELFOSABI_GNU				\
    };							\
    static const unsigned char expected3[EI_PAD] =	\
    {							\
      [EI_MAG0] = ELFMAG0,				\
      [EI_MAG1] = ELFMAG1,				\
      [EI_MAG2] = ELFMAG2,				\
      [EI_MAG3] = ELFMAG3,				\
      [EI_CLASS] = ELFW(CLASS),				\
      [EI_DATA] = byteorder,				\
      [EI_VERSION] = EV_CURRENT,				\
      [EI_OSABI] = EXTRA_OSABI				\
    }
  
  #endif
  