glibc/ports/sysdeps/unix/sysv/linux/arm/ldsodefs.h
2013-08-29 12:22:17 +02:00

74 lines
2.3 KiB
C

/* Run-time dynamic linker data structures for loaded ELF shared objects.
Copyright (C) 2010-2013 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
<http://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