mirror/upx
1
0
Fork 0
mirror of https://github.com/upx/upx synced 2025-09-28 19:06:07 +08:00
Code Issues Releases Wiki Activity

Silence some compilation warnings.

Browse Source
This commit is contained in:
Markus F.X.J. Oberhumer 2008-02-26 02:55:39 +01:00
parent b3178fe8f4
commit fc7efba7d8
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/p_vmlinz.cpp
View File

@ -126,7 +126,7 @@ int PackVmlinuzI386::readFileHeader()
static int is_pow2(unsigned const x)
{
return !(x & (-1+ x));
return !(x & (x - 1));
}
// read full kernel into obuf[], gzip-decompress into ibuf[],
@ -169,7 +169,7 @@ int PackVmlinuzI386::decompressKernel()
&& 0==memcmp("\x89\xeb", 12+ p, 2) // movl %ebp,%ebx
&& 0==memcmp("\x81\xc3", 14+ p, 2) // addl $imm.w,%ebx
&& 0==memcmp("\x81\xe3", 20+ p, 2) // andl $imm.w,%ebx
&& is_pow2(cpa_0) && -cpa_0==cpa_1) {
&& is_pow2(cpa_0) && (0u-cpa_0)==cpa_1) {
base = (5+ p) - get_te32(8+ p);
config_physical_align = cpa_0;
}
@ -189,7 +189,7 @@ int PackVmlinuzI386::decompressKernel()
for (int j= 0; j < 0x200; ++j, ++p) {
if (0==memcmp("\x01\x9c\x0b", p, 3) // addl %ebx,d32(%ebx,%ecx)
) {
page_offset = - get_te32(3+ p);
page_offset = 0u - get_te32(3+ p);
}
if (0==memcmp("\x89\xeb", p, 2) // movl %ebp,%ebx
&& 0==memcmp("\x81\xeb", 2+ p, 2) // subl $imm32,%ebx
@ -454,10 +454,10 @@ void PackBvmlinuzI386::buildLoader(const Filter *ft)
linker->defineSymbol("compressed_length", c_len);
linker->defineSymbol("load_physical_address", physical_start); // FIXME
if (0!=config_physical_align) {
linker->defineSymbol("neg_config_physical_align", - config_physical_align);
linker->defineSymbol("neg_config_physical_align", 0u - config_physical_align);
}
linker->defineSymbol("neg_length_mov", - ALIGN_UP(c_len + l_len, 4u));
linker->defineSymbol("neg_page_offset", - page_offset);
linker->defineSymbol("neg_length_mov", 0u - ALIGN_UP(c_len + l_len, 4u));
linker->defineSymbol("neg_page_offset", 0u - page_offset);
//linker->defineSymbol("physical_start", physical_start);
linker->defineSymbol("unc_length", ph.u_len);
linker->defineSymbol("dec_offset", ph.overlap_overhead + e_len);