László Molnár
5456cfc304
two linkers: one for arm mode, one for thumb mode the import address table is moved to the stubs area of compressed files changed the alignment of some header fields the command line option "--8086" can be used to force thumb mode on committer: ml1050 <ml1050> 1146647520 +0000
258 lines
7.3 KiB
C++
258 lines
7.3 KiB
C++
/* p_armpe.h --
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This file is part of the UPX executable compressor.
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Copyright (C) 1996-2004 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1996-2004 Laszlo Molnar
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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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markus@oberhumer.com ml1050@users.sourceforge.net
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*/
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#ifndef __UPX_P_ARMPE_H
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#define __UPX_P_ARMPE_H
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class PackArmPe_Interval;
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class PackArmPe_Reloc;
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class PackArmPe_Resource;
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class PackArmPe_Export;
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/*************************************************************************
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// arm/pe
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**************************************************************************/
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class PackArmPe : public Packer
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{
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typedef Packer super;
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public:
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PackArmPe(InputFile *f);
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~PackArmPe();
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virtual int getVersion() const { return 13; }
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virtual int getFormat() const { return UPX_F_WINCE_ARM_PE; }
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virtual const char *getName() const { return "arm/pe"; }
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virtual const int *getCompressionMethods(int method, int level) const;
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virtual const int *getFilters() const;
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virtual void pack(OutputFile *fo);
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virtual void unpack(OutputFile *fo);
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virtual bool canPack();
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virtual int canUnpack();
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// unpacker capabilities
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virtual bool canUnpackVersion(int version) const
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{ return version == 13; }
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protected:
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virtual int readFileHeader();
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virtual bool testUnpackVersion(int version) const;
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virtual int buildLoader(const Filter *ft);
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unsigned pe_offset;
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unsigned processImports();
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void processImports(unsigned, unsigned);
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void rebuildImports(upx_byte *&);
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upx_byte *oimport;
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unsigned soimport;
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upx_byte *oimpdlls;
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unsigned soimpdlls;
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void processRelocs();
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void processRelocs(PackArmPe_Reloc *);
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void rebuildRelocs(upx_byte *&);
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upx_byte *orelocs;
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unsigned sorelocs;
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upx_byte *oxrelocs;
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unsigned soxrelocs;
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void processExports(PackArmPe_Export *);
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void processExports(PackArmPe_Export *,unsigned);
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void rebuildExports();
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upx_byte *oexport;
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unsigned soexport;
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void processResources(PackArmPe_Resource *);
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void processResources(PackArmPe_Resource *, unsigned);
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void rebuildResources(upx_byte *&);
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upx_byte *oresources;
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unsigned soresources;
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void processTls(PackArmPe_Interval *);
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void processTls(PackArmPe_Reloc *,const PackArmPe_Interval *,unsigned);
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void rebuildTls();
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upx_byte *otls;
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unsigned sotls;
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unsigned stripDebug(unsigned);
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unsigned icondir_offset;
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int icondir_count;
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bool importbyordinal;
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bool kernel32ordinal;
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unsigned tlsindex;
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unsigned rvamin;
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unsigned cimports; // rva of preprocessed imports
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unsigned crelocs; // rva of preprocessed fixups
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int big_relocs;
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bool use_thumb_stub;
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void createLinker(const void *pdata, int plen, int pinfo);
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int rpatch_le32(void *b, int blen, const void *old, unsigned new_,
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PackArmPe_Reloc &, unsigned);
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struct pe_header_t
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{
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// 0x0
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char _[4]; // pemagic
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LE16 cpu;
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LE16 objects;
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char __[12]; // timestamp + reserved
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LE16 opthdrsize;
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LE16 flags;
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// optional header
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char ___[4]; // coffmagic + linkerversion
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LE32 codesize;
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// 0x20
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LE32 datasize;
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LE32 bsssize;
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LE32 entry;
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LE32 codebase;
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// 0x30
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LE32 database;
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// nt specific fields
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LE32 imagebase;
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LE32 objectalign;
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LE32 filealign; // should set to 0x200 ?
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// 0x40
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char ____[16]; // versions
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// 0x50
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LE32 imagesize;
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LE32 headersize;
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LE32 chksum; // should set to 0
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LE16 subsystem;
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LE16 dllflags;
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// 0x60
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char _____[20]; // stack + heap sizes
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// 0x74
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LE32 ddirsentries; // usually 16
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struct ddirs_t
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{
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LE32 vaddr;
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LE32 size;
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}
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__attribute_packed;
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struct ddirs_t ddirs[16];
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}
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__attribute_packed;
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struct pe_section_t
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{
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char name[8];
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LE32 vsize;
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LE32 vaddr;
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LE32 size;
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LE32 rawdataptr;
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char _[12];
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LE32 flags;
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}
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__attribute_packed;
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pe_header_t ih, oh;
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pe_section_t *isection;
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static unsigned virta2objnum (unsigned, pe_section_t *, unsigned);
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unsigned tryremove (unsigned, unsigned);
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enum {
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PEDIR_EXPORT = 0,
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PEDIR_IMPORT = 1,
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PEDIR_RESOURCE = 2,
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PEDIR_EXCEPTION = 3, // Exception table
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PEDIR_SEC = 4, // Certificate table (file pointer)
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PEDIR_RELOC = 5,
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PEDIR_DEBUG = 6,
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PEDIR_COPYRIGHT = 7, // Architecture-specific data
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PEDIR_GLOBALPTR = 8, // Global pointer
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PEDIR_TLS = 9,
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PEDIR_LOADCONF = 10, // Load Config Table
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PEDIR_BOUNDIM = 11,
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PEDIR_IAT = 12,
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PEDIR_DELAYIMP = 13, // Delay Import Descriptor
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PEDIR_COMRT = 14 // Com+ Runtime Header
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};
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enum {
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PEFL_CODE = 0x20,
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PEFL_DATA = 0x40,
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PEFL_BSS = 0x80,
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PEFL_INFO = 0x200,
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PEFL_EXTRELS = 0x01000000, // extended relocations
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PEFL_DISCARD = 0x02000000,
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PEFL_NOCACHE = 0x04000000,
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PEFL_NOPAGE = 0x08000000,
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PEFL_SHARED = 0x10000000,
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PEFL_EXEC = 0x20000000,
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PEFL_READ = 0x40000000,
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PEFL_WRITE = 0x80000000
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};
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enum {
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RELOCS_STRIPPED = 0x0001,
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EXECUTABLE = 0x0002,
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LNUM_STRIPPED = 0x0004,
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LSYMS_STRIPPED = 0x0008,
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AGGRESSIVE_TRIM = 0x0010,
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TWO_GIGS_AWARE = 0x0020,
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FLITTLE_ENDIAN = 0x0080,
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BITS_32_MACHINE = 0x0100,
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DEBUG_STRIPPED = 0x0200,
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REMOVABLE_SWAP = 0x0400,
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SYSTEM_PROGRAM = 0x1000,
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DLL_FLAG = 0x2000,
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FBIG_ENDIAN = 0x8000
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};
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// predefined resource types
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enum {
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RT_CURSOR = 1, RT_BITMAP, RT_ICON, RT_MENU, RT_DIALOG, RT_STRING,
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RT_FONTDIR, RT_FONT, RT_ACCELERATOR, RT_RCDATA, RT_MESSAGETABLE,
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RT_GROUP_CURSOR, RT_GROUP_ICON = 14, RT_VERSION = 16, RT_DLGINCLUDE,
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RT_PLUGPLAY = 19, RT_VXD, RT_ANICURSOR, RT_ANIICON, RT_HTML,
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RT_MANIFEST, RT_LAST
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};
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};
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#endif /* already included */
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/*
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vi:ts=4:et
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*/
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