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more LZMA debugging for Linux i386 ELF

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This commit is contained in:
John Reiser 2006-06-22 21:25:18 -07:00
parent cc0df92444
commit 2500eff90d
1 changed files with 7 additions and 1 deletions
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8
src/p_lx_elf.cpp
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@ -319,16 +319,22 @@ PackLinuxElf32x86::buildLinuxLoader(
unsigned char *const cprLoader = new unsigned char[sizeof(h) + h.sz_unc]; unsigned char *const cprLoader = new unsigned char[sizeof(h) + h.sz_unc];
if (0 < szfold) { if (0 < szfold) {
memset(cprLoader, 0, sizeof(h) + h.sz_unc);
h.sz_cpr = h.sz_unc; // amount that the compressor may use
int r = upx_compress(uncLoader, h.sz_unc, sizeof(h) + cprLoader, &h.sz_cpr, int r = upx_compress(uncLoader, h.sz_unc, sizeof(h) + cprLoader, &h.sz_cpr,
NULL, ph.method, 10, NULL, NULL ); NULL, ph.method, 10, NULL, NULL );
if (r != UPX_E_OK || h.sz_cpr >= h.sz_unc) if (r != UPX_E_OK || h.sz_cpr >= h.sz_unc)
throwInternalError("loader compression failed"); throwInternalError("loader compression failed");
if (M_LZMA==ph.method) { // FIXME: debugging only if (M_LZMA==ph.method) { // FIXME: debugging only
ucl_uint tmp_len = 0; ucl_uint tmp_len = h.sz_unc; // LZMA uses this as EOF
unsigned char *tmp = new unsigned char[h.sz_unc]; unsigned char *tmp = new unsigned char[h.sz_unc];
memset(tmp, 0, h.sz_unc); memset(tmp, 0, h.sz_unc);
r = upx_decompress(sizeof(h) + cprLoader, h.sz_cpr, tmp, &tmp_len, h.b_method, NULL); r = upx_decompress(sizeof(h) + cprLoader, h.sz_cpr, tmp, &tmp_len, h.b_method, NULL);
printf("%d %d: %d %d %d\n", h.b_method, r, h.sz_cpr, h.sz_unc, tmp_len); printf("%d %d: %d %d %d\n", h.b_method, r, h.sz_cpr, h.sz_unc, tmp_len);
for (unsigned j=0; j < h.sz_unc; ++j) if (tmp[j]!=uncLoader[j]) {
printf("%d: %x %x\n", j, tmp[j], uncLoader[j]);
}
delete[] tmp;
} }
} }
memcpy(cprLoader, &h, sizeof(h)); memcpy(cprLoader, &h, sizeof(h));