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WIP: clarify compressWithFilters; reduce size of obuf for PackLinuxElf64

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modified:   p_lx_elf.cpp
	modified:   packer.cpp
	modified:   packer.h
This commit is contained in:
John Reiser
2022-03-21 13:49:46 -07:00
committed by Markus F.X.J. Oberhumer
parent 0e2a9de2b2
commit 663d6b466b
3 changed files with 92 additions and 44 deletions
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src/packer.h
+16 -6
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@@ -177,14 +177,23 @@ protected:
bool inhibit_compression_check = false);
void compressWithFilters(Filter *ft, const unsigned overlap_range,
const upx_compress_config_t *cconf, int filter_strategy,
unsigned filter_buf_off, unsigned compress_ibuf_off,
unsigned compress_obuf_off, const upx_bytep hdr_ptr, unsigned hdr_len,
unsigned filter_buf_off,
unsigned compress_ibuf_off,
unsigned compress_obuf_off,
upx_bytep const hdr_ptr, unsigned hdr_len,
bool inhibit_compression_check = false);
// real compression driver
void compressWithFilters(upx_bytep i_ptr, unsigned i_len, upx_bytep o_ptr, upx_bytep f_ptr,
unsigned f_len, const upx_bytep hdr_ptr, unsigned hdr_len, Filter *ft,
const unsigned overlap_range, const upx_compress_config_t *cconf,
int filter_strategy, bool inhibit_compression_check = false);
void compressWithFilters(
upx_bytep i_ptr, unsigned i_len, // written and restored by filters
upx_bytep o_ptr,
upx_bytep f_ptr, unsigned f_len, // subset of [*i_ptr, +i_len)
upx_bytep const hdr_ptr, unsigned hdr_len,
Filter *parm_ft, // updated
unsigned overlap_range,
upx_compress_config_t const *cconf,
int filter_strategy,
bool inhibit_compression_check = false
);
// util for verifying overlapping decompresion
// non-destructive test
@@ -239,6 +248,7 @@ public:
protected:
const int *getDefaultCompressionMethods_8(int method, int level, int small = -1) const;
const int *getDefaultCompressionMethods_le32(int method, int level, int small = -1) const;
int prepareMethods(int *methods, int ph_method, const int *all_methods) const;
virtual const char *getDecompressorSections() const;
virtual unsigned getDecompressorWrkmemSize() const;
virtual void defineDecompressorSymbols();