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Big merge of my working tree: Added options `--all-methods', new

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Packer::getCompressionMethods(), improved Packer::compressWithFilters().

committer: mfx <mfx> 978449945 +0000
This commit is contained in:
Markus F.X.J. Oberhumer
2001-01-02 15:39:05 +00:00
parent 1084d86063
commit aa540f85fa
124 changed files with 796 additions and 712 deletions
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src/p_vmlinz.cpp
+19 -28
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@@ -2,8 +2,8 @@
This file is part of the UPX executable compressor.
Copyright (C) 1996-2000 Markus Franz Xaver Johannes Oberhumer
Copyright (C) 1996-2000 Laszlo Molnar
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
@@ -56,13 +56,18 @@ PackVmlinuzI386::PackVmlinuzI386(InputFile *f) :
}
int PackVmlinuzI386::getCompressionMethod() const
const int *PackVmlinuzI386::getCompressionMethods(int method, int level) const
{
if (M_IS_NRV2B(opt->method))
return M_NRV2B_LE32;
if (M_IS_NRV2D(opt->method))
return M_NRV2D_LE32;
return opt->level > 1 ? M_NRV2D_LE32 : M_NRV2B_LE32;
static const int m_nrv2b[] = { M_NRV2B_LE32, M_NRV2D_LE32, -1 };
static const int m_nrv2d[] = { M_NRV2D_LE32, M_NRV2B_LE32, -1 };
if (M_IS_NRV2B(method))
return m_nrv2b;
if (M_IS_NRV2D(method))
return m_nrv2d;
if (level == 1)
return m_nrv2b;
return m_nrv2d;
}
@@ -217,18 +222,11 @@ void PackVmlinuzI386::pack(OutputFile *fo)
readKernel();
// prepare filter
Filter ft(opt->level);
Filter ft(ph.level);
ft.buf_len = ph.u_len;
ft.addvalue = kernel_entry;
int strategy = -1; // try the first working filter
if (opt->filter >= 0 && isValidFilter(opt->filter))
// try opt->filter or 0 if that fails
strategy = -2;
else if (opt->all_filters)
// choose best from all available filters
strategy = 0;
compressWithFilters(&ft, 1 << 20, strategy);
// compress
compressWithFilters(&ft, 1 << 20);
const unsigned lsize = getLoaderSize();
MemBuffer loader(lsize);
@@ -291,18 +289,11 @@ void PackBvmlinuzI386::pack(OutputFile *fo)
readKernel();
// prepare filter
Filter ft(opt->level);
Filter ft(ph.level);
ft.buf_len = ph.u_len;
ft.addvalue = kernel_entry;
int strategy = -1; // try the first working filter
if (opt->filter >= 0 && isValidFilter(opt->filter))
// try opt->filter or 0 if that fails
strategy = -2;
else if (opt->all_filters)
// choose best from all available filters
strategy = 0;
compressWithFilters(&ft, 512, strategy);
// compress
compressWithFilters(&ft, 512);
// align everything to dword boundary - it is easier to handle
unsigned clen = ph.c_len;