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0 is a valid LSDA encoding and can be seen in statically linked 

programs. Initialize lsdaEncoding to DW_EH_PE_omit and check for that
value to decide whether a value should be decoded.
This commit is contained in:
joerg 2014-03-11 23:52:17 +00:00
parent 0d8e1badf7
commit 499c31d6cd
1 changed files with 2 additions and 2 deletions
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4
sys/lib/libunwind/DwarfParser.hpp
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@ -172,7 +172,7 @@ bool CFI_Parser<A, R>::decodeFDE(A &addressSpace, pint_t fdeStart,
if (cieInfo->fdesHaveAugmentationData) {
uintptr_t augLen = addressSpace.getULEB128(p, nextCFI);
pint_t endOfAug = p + augLen;
if (cieInfo->lsdaEncoding != 0) {
if (cieInfo->lsdaEncoding != DW_EH_PE_omit) {
// Peek at value (without indirection). Zero means no LSDA.
pint_t lsdaStart = p;
if (addressSpace.getEncodedP(p, nextCFI, cieInfo->lsdaEncoding & 0x0F,
@ -198,7 +198,7 @@ template <typename A, typename R>
bool CFI_Parser<A, R>::parseCIE(A &addressSpace, pint_t cie,
CIE_Info *cieInfo) {
cieInfo->pointerEncoding = 0;
cieInfo->lsdaEncoding = 0;
cieInfo->lsdaEncoding = DW_EH_PE_omit;
cieInfo->personalityEncoding = 0;
cieInfo->personalityOffsetInCIE = 0;
cieInfo->personality = 0;