Index: libunwind/trunk/src/AddressSpace.hpp =================================================================== --- libunwind/trunk/src/AddressSpace.hpp +++ libunwind/trunk/src/AddressSpace.hpp @@ -535,11 +535,11 @@ #endif cbdata->sects->dwarf_index_section = eh_frame_hdr_start; cbdata->sects->dwarf_index_section_length = phdr->p_memsz; - EHHeaderParser::decodeEHHdr( + found_hdr = EHHeaderParser::decodeEHHdr( *cbdata->addressSpace, eh_frame_hdr_start, phdr->p_memsz, hdrInfo); - cbdata->sects->dwarf_section = hdrInfo.eh_frame_ptr; - found_hdr = true; + if (found_hdr) + cbdata->sects->dwarf_section = hdrInfo.eh_frame_ptr; } } Index: libunwind/trunk/src/EHHeaderParser.hpp =================================================================== --- libunwind/trunk/src/EHHeaderParser.hpp +++ libunwind/trunk/src/EHHeaderParser.hpp @@ -35,7 +35,7 @@ uint8_t table_enc; }; - static void decodeEHHdr(A &addressSpace, pint_t ehHdrStart, pint_t ehHdrEnd, + static bool decodeEHHdr(A &addressSpace, pint_t ehHdrStart, pint_t ehHdrEnd, EHHeaderInfo &ehHdrInfo); static bool findFDE(A &addressSpace, pint_t pc, pint_t ehHdrStart, uint32_t sectionLength, @@ -52,12 +52,14 @@ }; template -void EHHeaderParser::decodeEHHdr(A &addressSpace, pint_t ehHdrStart, +bool EHHeaderParser::decodeEHHdr(A &addressSpace, pint_t ehHdrStart, pint_t ehHdrEnd, EHHeaderInfo &ehHdrInfo) { pint_t p = ehHdrStart; uint8_t version = addressSpace.get8(p++); - if (version != 1) - _LIBUNWIND_ABORT("Unsupported .eh_frame_hdr version"); + if (version != 1) { + _LIBUNWIND_LOG0("Unsupported .eh_frame_hdr version"); + return false; + } uint8_t eh_frame_ptr_enc = addressSpace.get8(p++); uint8_t fde_count_enc = addressSpace.get8(p++); @@ -70,6 +72,8 @@ ? 0 : addressSpace.getEncodedP(p, ehHdrEnd, fde_count_enc, ehHdrStart); ehHdrInfo.table = p; + + return true; } template @@ -101,7 +105,9 @@ pint_t ehHdrEnd = ehHdrStart + sectionLength; EHHeaderParser::EHHeaderInfo hdrInfo; - EHHeaderParser::decodeEHHdr(addressSpace, ehHdrStart, ehHdrEnd, hdrInfo); + if (!EHHeaderParser::decodeEHHdr(addressSpace, ehHdrStart, ehHdrEnd, + hdrInfo)) + return false; size_t tableEntrySize = getTableEntrySize(hdrInfo.table_enc); pint_t tableEntry;