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74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/* Run-time dynamic linker data structures for loaded ELF shared objects.
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Copyright (C) 2010-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _ARM_LINUX_LDSODEFS_H
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#define _ARM_LINUX_LDSODEFS_H 1
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#include_next <ldsodefs.h>
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#undef VALID_ELF_HEADER
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#undef VALID_ELF_OSABI
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#undef MORE_ELF_HEADER_DATA
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#define EXTRA_OSABI ELFOSABI_ARM_AEABI
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#ifdef __ARM_PCS_VFP
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# define VALID_FLOAT_ABI(x) \
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((EF_ARM_EABI_VERSION ((x)) != EF_ARM_EABI_VER5) \
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|| !((x) & EF_ARM_ABI_FLOAT_SOFT))
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#else
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# define VALID_FLOAT_ABI(x) \
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((EF_ARM_EABI_VERSION ((x)) != EF_ARM_EABI_VER5) \
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|| !((x) & EF_ARM_ABI_FLOAT_HARD))
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#endif
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#undef VALID_ELF_HEADER
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#define VALID_ELF_HEADER(hdr,exp,size) \
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((memcmp (hdr, exp, size) == 0 \
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|| memcmp (hdr, expected2, size) == 0 \
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|| memcmp (hdr, expected3, size) == 0) \
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&& VALID_FLOAT_ABI (ehdr->e_flags))
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#define VALID_ELF_OSABI(osabi) (osabi == ELFOSABI_SYSV \
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|| osabi == ELFOSABI_GNU \
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|| osabi == EXTRA_OSABI)
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#define MORE_ELF_HEADER_DATA \
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static const unsigned char expected2[EI_PAD] = \
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{ \
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[EI_MAG0] = ELFMAG0, \
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[EI_MAG1] = ELFMAG1, \
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[EI_MAG2] = ELFMAG2, \
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[EI_MAG3] = ELFMAG3, \
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[EI_CLASS] = ELFW(CLASS), \
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[EI_DATA] = byteorder, \
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[EI_VERSION] = EV_CURRENT, \
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[EI_OSABI] = ELFOSABI_GNU \
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}; \
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static const unsigned char expected3[EI_PAD] = \
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{ \
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[EI_MAG0] = ELFMAG0, \
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[EI_MAG1] = ELFMAG1, \
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[EI_MAG2] = ELFMAG2, \
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[EI_MAG3] = ELFMAG3, \
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[EI_CLASS] = ELFW(CLASS), \
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[EI_DATA] = byteorder, \
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[EI_VERSION] = EV_CURRENT, \
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[EI_OSABI] = EXTRA_OSABI \
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}
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#endif
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