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pe: ignore duplicated relocation records

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This commit is contained in:
László Molnár
2006-07-04 14:11:56 +02:00
parent 0e92280b33
commit db7086b5e6
2 changed files with 42 additions and 4 deletions
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src/p_armpe.cpp
+21 -2
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@@ -505,12 +505,31 @@ void PackArmPe::processRelocs() // pass1
{
if (pos >= ih.imagesize)
continue; // skip out-of-bounds record
if (type == 3)
set_le32(ibuf + pos,get_le32(ibuf + pos) - ih.imagebase - rvamin);
if (type < 4)
fix[type][xcounts[type]++] = pos - rvamin;
}
// remove duplicated records
for (ic = 1; ic <= 3; ic++)
{
qsort(fix[ic], xcounts[ic], 4, le32_compare);
unsigned prev = ~0;
unsigned jc = 0;
for (unsigned kc = 0; kc < xcounts[ic]; kc++)
if (fix[ic][kc] != prev)
prev = fix[ic][jc++] = fix[ic][kc];
//printf("xcounts[%u] %u->%u\n", ic, xcounts[ic], jc);
xcounts[ic] = jc;
}
// preprocess "type 3" relocation records
for (ic = 0; ic < xcounts[3]; ic++)
{
pos = fix[3][ic] + rvamin;
set_le32(ibuf + pos, get_le32(ibuf + pos) - ih.imagebase - rvamin);
}
ibuf.fill(IDADDR(PEDIR_RELOC), IDSIZE(PEDIR_RELOC), FILLVAL);
orelocs = new upx_byte [rnum * 4 + 1024]; // 1024 - safety
sorelocs = ptr_diff(optimizeReloc32((upx_byte*) fix[3], xcounts[3],