95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
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/*
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* File elf_private.h - definitions for processing of ELF files
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*
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* Copyright (C) 1996, Eric Youngdale.
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* 1999-2007 Eric Pouech
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*
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* This 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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*
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* This 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifdef HAVE_ELF_H
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# include <elf.h>
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#endif
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#ifdef HAVE_SYS_ELF32_H
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# include <sys/elf32.h>
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#endif
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#ifdef HAVE_SYS_EXEC_ELF_H
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# include <sys/exec_elf.h>
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#endif
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#if !defined(DT_NUM)
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# if defined(DT_COUNT)
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# define DT_NUM DT_COUNT
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# else
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/* this seems to be a satisfactory value on Solaris, which doesn't support this AFAICT */
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# define DT_NUM 24
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# endif
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#endif
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#ifdef HAVE_LINK_H
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# include <link.h>
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#endif
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#ifdef HAVE_SYS_LINK_H
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# include <sys/link.h>
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#endif
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#define IMAGE_NO_MAP ((void*)-1)
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#ifdef __ELF__
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#ifdef _WIN64
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#define Elf_Ehdr Elf64_Ehdr
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#define Elf_Shdr Elf64_Shdr
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#define Elf_Phdr Elf64_Phdr
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#define Elf_Dyn Elf64_Dyn
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#define Elf_Sym Elf64_Sym
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#else
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#define Elf_Ehdr Elf32_Ehdr
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#define Elf_Shdr Elf32_Shdr
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#define Elf_Phdr Elf32_Phdr
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#define Elf_Dyn Elf32_Dyn
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#define Elf_Sym Elf32_Sym
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#endif
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/* structure holding information while handling an ELF image
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* allows one by one section mapping for memory savings
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*/
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struct elf_file_map
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{
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size_t elf_size;
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size_t elf_start;
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int fd;
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const char* shstrtab;
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struct elf_file_map* alternate; /* another ELF file (linked to this one) */
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Elf_Ehdr elfhdr;
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struct
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{
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Elf_Shdr shdr;
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const char* mapped;
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}* sect;
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};
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struct elf_section_map
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{
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struct elf_file_map* fmap;
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long sidx;
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};
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extern BOOL elf_find_section(struct elf_file_map* fmap, const char* name,
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unsigned sht, struct elf_section_map* esm);
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extern const char* elf_map_section(struct elf_section_map* esm);
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extern void elf_unmap_section(struct elf_section_map* esm);
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extern unsigned elf_get_map_size(const struct elf_section_map* esm);
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#endif
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