1 /* Run-time dynamic linker data structures for loaded ELF shared objects. GNU. 2 Copyright (C) 2001-2022 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 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _GNU_LDSODEFS_H 20 #define _GNU_LDSODEFS_H 1 21 22 #include <elf.h> 23 #include <libc-abis.h> 24 #include <string.h> 25 26 /* Accept binaries which identify the binary as using GNU extensions. */ 27 #define VALID_ELF_HEADER(hdr,exp,size) (memcmp (hdr, exp, size) == 0 \ 28 || memcmp (hdr, expected2, size) == 0) 29 #define VALID_ELF_OSABI(osabi) (osabi == ELFOSABI_SYSV \ 30 || osabi == ELFOSABI_GNU) 31 #define VALID_ELF_ABIVERSION(osabi,ver) \ 32 (ver == 0 || (osabi == ELFOSABI_GNU && ver < LIBC_ABI_MAX)) 33 #define MORE_ELF_HEADER_DATA \ 34 static const unsigned char expected2[EI_PAD] = \ 35 { \ 36 [EI_MAG0] = ELFMAG0, \ 37 [EI_MAG1] = ELFMAG1, \ 38 [EI_MAG2] = ELFMAG2, \ 39 [EI_MAG3] = ELFMAG3, \ 40 [EI_CLASS] = ELFW(CLASS), \ 41 [EI_DATA] = byteorder, \ 42 [EI_VERSION] = EV_CURRENT, \ 43 [EI_OSABI] = ELFOSABI_GNU \ 44 } 45 46 #include_next <ldsodefs.h> 47 48 #endif /* _GNU_LDSODEFS_H */ 49