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Factor out a common Packer::defineFilterSymbols(). Enable filters

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0x49 and 0x49 for all i386-dos32.* formats. Needs testing.
This commit is contained in:
Markus F.X.J. Oberhumer
2006-12-22 16:39:42 +01:00
parent de9dcc4ed6
commit b21ce925fb
22 changed files with 4604 additions and 4293 deletions
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src/p_djgpp2.cpp
+3 -25
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@@ -68,7 +68,8 @@ const int *PackDjgpp2::getCompressionMethods(int method, int level) const
const int *PackDjgpp2::getFilters() const
{
static const int filters[] = {
0x26, 0x24, 0x16, 0x13, 0x14, 0x11, FT_ULTRA_BRUTE, 0x25, 0x15, 0x12,
0x26, 0x24, 0x49, 0x46, 0x16, 0x13, 0x14, 0x11,
FT_ULTRA_BRUTE, 0x25, 0x15, 0x12,
FT_END };
return filters;
}
@@ -234,29 +235,6 @@ void PackDjgpp2::stripDebug()
}
static bool defineFilterSymbols(Linker *linker, const Filter *ft)
{
if (ft->id == 0)
return false;
assert(ft->calls > 0);
linker->defineSymbol("filter_cto", ft->cto);
linker->defineSymbol("filter_length",
(ft->id & 0xf) % 3 == 0 ? ft->calls :
ft->lastcall - ft->calls * 4);
#if 0
if (0x80==(ft->id & 0xF0)) {
int const mru = ph.n_mru ? 1+ ph.n_mru : 0;
if (mru && mru!=256) {
unsigned const is_pwr2 = (0==((mru -1) & mru));
//patch_le32(0x80 + (char *)loader, lsize - 0x80, "NMRU", mru - is_pwr2);
}
}
#endif
return true;
}
/*************************************************************************
//
**************************************************************************/
@@ -350,7 +328,7 @@ void PackDjgpp2::pack(OutputFile *fo)
linker->defineSymbol("stack_for_lzma", bss->vaddr + bss->size);
linker->defineSymbol("start_of_uncompressed", text->vaddr - hdrsize);
linker->defineSymbol("start_of_compressed", data->vaddr);
defineFilterSymbols(linker, &ft);
defineFilterSymbols(&ft);
// we should not overwrite our decompressor during unpacking
// the original coff header (which is put just before the