diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/ldsodefs.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/arm/ldsodefs.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/ldsodefs.h b/sysdeps/unix/sysv/linux/arm/ldsodefs.h new file mode 100644 index 0000000000..32cdfab64c --- /dev/null +++ b/sysdeps/unix/sysv/linux/arm/ldsodefs.h @@ -0,0 +1,73 @@ +/* Run-time dynamic linker data structures for loaded ELF shared objects. + Copyright (C) 2010-2014 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 |