mtrace/mtelf.h
2015-05-06 09:57:40 +02:00

71 lines
1.9 KiB
C

/*
* This file is part of mtrace.
* Copyright (C) 2015 Stefani Seibold <stefani@seibold.net>
* This file is based on the ltrace source
*
* This work was sponsored by Rohde & Schwarz GmbH & Co. KG, Munich/Germany.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef _INC_MTRACE_ELF_H
#define _INC_MTRACE_ELF_H
#include <gelf.h>
#include <stdlib.h>
#include "forward.h"
#include "sysdep.h"
struct mt_elf {
int fd;
const char *filename;
Elf *elf;
GElf_Ehdr ehdr;
Elf_Data *dynsym;
size_t dynsym_count;
const char *dynstr;
Elf_Data *symtab;
const char *strtab;
size_t symtab_count;
GElf_Addr dyn_addr;
GElf_Addr bias;
GElf_Addr entry_addr;
GElf_Addr base_addr;
GElf_Addr interp;
GElf_Phdr txt_hdr;
GElf_Phdr eh_hdr;
GElf_Phdr dyn_hdr;
GElf_Phdr exidx_hdr;
GElf_Addr pltgot;
};
struct elf_image {
void *addr; /* pointer to mmap'd image */
size_t size; /* (file-) size of the image */
};
/* For now we assume that all libraries can be
* opened via a filesystem. BASE is ignored for ET_EXEC files. */
int elf_read_library(struct task *task, struct library *lib, const char *filename, GElf_Addr bias);
/* Create a library object representing the main binary. The entry
* point address is stored to *ENTRYP. */
struct library *elf_read_main_binary(struct task *task);
#endif