d2718e99a4
into class PackLinuxElf32x86 : public PackLinuxElf32Le : public PackLinuxElf32 which makes the code for compressing ELF (for direct-to-memory decompression) cleaner because ELF has some of the class tree to itself. This assumes PROT_EXEC|PROT_WRITE ought to work. This is checked at runtime, and if it fails then give a message on stderr and exit(127). Modify --force-execve so that runtime avoids PROT_EXEC|PROT_WRITE. Then executables compressed with --force-execve will run under PaX, grSecurity, and strict SELinux.
51 lines
1.6 KiB
Plaintext
51 lines
1.6 KiB
Plaintext
/* l_lx_exec86.lds --
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This file is part of the UPX executable compressor.
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Copyright (C) 2000-2004 John F. Reiser
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All Rights Reserved.
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UPX and the UCL library are free software; you can redistribute them
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and/or modify them under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING.
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If not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Markus F.X.J. Oberhumer Laszlo Molnar
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<mfx@users.sourceforge.net> <ml1050@users.sourceforge.net>
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John F. Reiser
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<jreiser@users.sourceforge.net>
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*/
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OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
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OUTPUT_ARCH(i386)
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/*ENTRY(_start)*/
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PHDRS /* force exactly 1 ELF32_Phdr: in particular, no PT_GNU_STACK */
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{
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phdr0 PT_LOAD FILEHDR PHDRS FLAGS(5); /* no PF_W: strict SELinux, PaX, grSecurity */
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}
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SECTIONS
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{
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/* 0x00401000: l_lx_exec86.asm assumes 1 page up from 64KB boundary */
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. = 0x00401000 + SIZEOF_HEADERS + 12; /* 12==sizeof(l_info) */
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.data : { /* put everything together in one Phdr */
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*(.text)
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*(.rodata)
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*(.data)
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*(.bss)
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*(COMMON)
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} : phdr0
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}
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