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upx/src/p_elf.h
John Reiser 40fddf1715 Put upx stub loader at high end of ELF output file on linux,
and allow for block-by-block specification of filter and parameters.
	linker.cpp linker.h mem.cpp mem.h p_elf.h
	p_lx_elf.cpp p_lx_elf.h
	p_lx_exc.cpp p_lx_exc.h
	p_lx_sh.cpp  p_lx_sh.h
	p_unix.cpp p_unix.h
	packer.cpp packer.h
	stub/fold_elf86.asm stub/fold_exec86.asm stub/fold_sh86.asm
	stub/l_lx_elf.c  stub/l_lx_elf86.asm  stub/l_lx_elf86.lds
	stub/l_lx_exec.c stub/l_lx_exec86.asm stub/l_lx_exec86.lds
	stub/l_lx_sh.c   stub/l_lx_sh86.asm   stub/l_lx_sh86.lds
	stub/linux.hh

committer: jreiser <jreiser> 981084316 +0000
2001-02-02 03:25:16 +00:00

102 lines
3.5 KiB
C

/* p_elf.h --
This file is part of the UPX executable compressor.
Copyright (C) 1996-2001 Markus Franz Xaver Johannes Oberhumer
Copyright (C) 1996-2001 Laszlo Molnar
All Rights Reserved.
UPX and the UCL library are free software; you can redistribute them
and/or modify them 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; see the file COPYING.
If not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Markus F.X.J. Oberhumer Laszlo Molnar
markus@oberhumer.com ml1050@cdata.tvnet.hu
*/
#ifndef __UPX_P_ELF_H
#define __UPX_P_ELF_H
/*************************************************************************
// Some ELF type definitinons
**************************************************************************/
// The ELF file header. This appears at the start of every ELF file.
struct Elf_LE32_Ehdr
{
unsigned char e_ident[16]; /* Magic number and other info */
LE16 e_type; /* Object file type */
LE16 e_machine; /* Architecture */
LE32 e_version; /* Object file version */
LE32 e_entry; /* Entry point virtual address */
LE32 e_phoff; /* Program header table file offset */
LE32 e_shoff; /* Section header table file offset */
LE32 e_flags; /* Processor-specific flags */
LE16 e_ehsize; /* ELF header size in bytes */
LE16 e_phentsize; /* Program header table entry size */
LE16 e_phnum; /* Program header table entry count */
LE16 e_shentsize; /* Section header table entry size */
LE16 e_shnum; /* Section header table entry count */
LE16 e_shstrndx; /* Section header string table index */
};
// Program segment header.
struct Elf_LE32_Phdr
{
LE32 p_type; /* Segment type */
LE32 p_offset; /* Segment file offset */
LE32 p_vaddr; /* Segment virtual address */
LE32 p_paddr; /* Segment physical address */
LE32 p_filesz; /* Segment size in file */
LE32 p_memsz; /* Segment size in memory */
LE32 p_flags; /* Segment flags */
LE32 p_align; /* Segment alignment */
// Values for p_type
enum {
PT_LOAD = 1, /* Loadable program segment */
PT_DYNAMIC = 2, /* Dynamic linking information */
PT_PHDR = 6 /* Entry for header table itself */
};
// Values for p_flags
enum { PF_X = (1 << 0) }; /* Segment is executable */
enum { PF_W = (1 << 1) }; /* Segment is writable */
enum { PF_R = (1 << 2) }; /* Segment is readable */
};
struct Elf_LE32_Dyn
{
LE32 d_tag;
LE32 d_val;
enum { // tags
DT_NULL = 0, /* End flag */
DT_NEEDED = 1, /* Name of needed library */
DT_STRTAB = 5, /* String table */
DT_STRSZ = 10 /* Sizeof string table */
};
};
#endif /* already included */
/*
vi:ts=4:et
*/