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Fix null check when generating signature. (#562)

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GoD-Tony 2016-12-01 09:44:23 +01:00 committed by Asher Baker
parent 3e201dd521
commit ec9af8feb6
1 changed files with 15 additions and 8 deletions
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23
tools/ida_scripts/makesig.idc
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@ -44,15 +44,22 @@ static main()
// isTail(GetFlags(pAddress)) == Operand
// ((GetFlags(pAddress) & MS_CODE) == FF_IMMD) == :iiam:
if (pInfo.n == 1 && (pInfo.Op0.type == o_near || pInfo.Op0.type == o_far)) {
if (Byte(pAddress) == 0x0F) { // Two-byte instruction
sig = sig + sprintf("0F %02X ", Byte(pAddress + 1)) + PrintWildcards(GetDTSize(pInfo.Op0.dtyp));
} else {
sig = sig + sprintf("%02X ", Byte(pAddress)) + PrintWildcards(GetDTSize(pInfo.Op0.dtyp));
auto bDone = 0;
if (pInfo.n == 1) {
if (pInfo.Op0.type == o_near || pInfo.Op0.type == o_far) {
if (Byte(pAddress) == 0x0F) { // Two-byte instruction
sig = sig + sprintf("0F %02X ", Byte(pAddress + 1)) + PrintWildcards(GetDTSize(pInfo.Op0.dtyp));
} else {
sig = sig + sprintf("%02X ", Byte(pAddress)) + PrintWildcards(GetDTSize(pInfo.Op0.dtyp));
}
bDone = 1;
}
} else { // unknown, just wildcard addresses
auto i = 0;
for (i = 0; i < pInfo.size; i++) {
}
if (!bDone) { // unknown, just wildcard addresses
auto i = 0, itemSize = ItemSize(pAddress);
for (i = 0; i < itemSize; i++) {
auto pLoc = pAddress + i;
if (GetFixupTgtType(pLoc) == FIXUP_OFF32) {
sig = sig + PrintWildcards(4);