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pe: pack() logic moved to PeFile

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This commit is contained in:
László Molnár
2014-03-02 22:34:52 +01:00
parent 18e55061e1
commit 632b2ae1ba
8 changed files with 885 additions and 33 deletions
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src/p_armpe.cpp
+68
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@@ -237,9 +237,76 @@ void PackArmPe::buildLoader(const Filter *ft)
addLoader("IDENTSTR,UPX1HEAD", NULL);
}
bool PackArmPe::handleForceOption()
{
return (ih.cpu != 0x1c0 && ih.cpu != 0x1c2)
|| (ih.opthdrsize != 0xe0)
|| ((ih.flags & EXECUTABLE) == 0)
|| (ih.entry == 0 /*&& !isdll*/)
|| (ih.ddirsentries != 16)
// || IDSIZE(PEDIR_EXCEPTION) // is this used on arm?
// || IDSIZE(PEDIR_COPYRIGHT)
;
}
void PackArmPe::callCompressWithFilters(Filter &ft, int filter_strategy, unsigned ih_codebase)
{
// limit stack size needed for runtime decompression
upx_compress_config_t cconf; cconf.reset();
cconf.conf_lzma.max_num_probs = 1846 + (768 << 4); // ushort: ~28 KiB stack
compressWithFilters(&ft, 2048, &cconf, filter_strategy,
ih_codebase, rvamin, 0, NULL, 0);
}
void PackArmPe::addNewRelocations(Reloc &rel, unsigned upxsection)
{
static const char* symbols_to_relocate[] = {
"ONAM", "BIMP", "BREL", "FIBE", "FIBS", "ENTR", "DST0", "SRC0"
};
for (unsigned s2r = 0; s2r < TABLESIZE(symbols_to_relocate); s2r++)
{
unsigned off = linker->getSymbolOffset(symbols_to_relocate[s2r]);
if (off != 0xdeaddead)
rel.add(off + upxsection, 3);
}
}
unsigned PackArmPe::getProcessImportParam(unsigned upxsection)
{
return linker->getSymbolOffset("IATT") + upxsection;
}
void PackArmPe::defineSymbols(unsigned ncsection, unsigned, unsigned,
unsigned ic, Reloc &, unsigned s1addr)
{
const unsigned onam = ncsection + soxrelocs + ih.imagebase;
linker->defineSymbol("start_of_dll_names", onam);
linker->defineSymbol("start_of_imports", ih.imagebase + rvamin + cimports);
linker->defineSymbol("start_of_relocs", crelocs + rvamin + ih.imagebase);
linker->defineSymbol("filter_buffer_end", ih.imagebase + ih.codebase + ih.codesize);
linker->defineSymbol("filter_buffer_start", ih.imagebase + ih.codebase);
linker->defineSymbol("original_entry", ih.entry + ih.imagebase);
linker->defineSymbol("uncompressed_length", ph.u_len);
linker->defineSymbol("start_of_uncompressed", ih.imagebase + rvamin);
linker->defineSymbol("compressed_length", ph.c_len);
linker->defineSymbol("start_of_compressed", ih.imagebase + s1addr + ic);
defineDecompressorSymbols();
}
void PackArmPe::setOhDataBase(const pe_section_t *osection)
{
oh.database = osection[2].vaddr;
}
void PackArmPe::setOhHeaderSize(const pe_section_t *osection)
{
oh.headersize = osection[1].rawdataptr;
}
void PackArmPe::pack(OutputFile *fo)
{
super::pack0(fo, 1U << 9, 0x10000, true);
#if 0
// FIXME: we need to think about better support for --exact
if (opt->exact)
throwCantPackExact();
@@ -695,6 +762,7 @@ void PackArmPe::pack(OutputFile *fo)
// finally check the compression ratio
if (!checkFinalCompressionRatio(fo))
throwNotCompressible();
#endif
}
/*