summaryrefslogtreecommitdiff
path: root/src/EHHeaderParser.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/EHHeaderParser.hpp')
-rw-r--r--src/EHHeaderParser.hpp16
1 files changed, 11 insertions, 5 deletions
diff --git a/src/EHHeaderParser.hpp b/src/EHHeaderParser.hpp
index 9bdaf5505ff04..6b3e7dead8664 100644
--- a/src/EHHeaderParser.hpp
+++ b/src/EHHeaderParser.hpp
@@ -36,7 +36,7 @@ public:
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,
@@ -53,12 +53,14 @@ private:
};
template <typename A>
-void EHHeaderParser<A>::decodeEHHdr(A &addressSpace, pint_t ehHdrStart,
+bool EHHeaderParser<A>::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++);
@@ -71,6 +73,8 @@ void EHHeaderParser<A>::decodeEHHdr(A &addressSpace, pint_t ehHdrStart,
? 0
: addressSpace.getEncodedP(p, ehHdrEnd, fde_count_enc, ehHdrStart);
ehHdrInfo.table = p;
+
+ return true;
}
template <typename A>
@@ -102,7 +106,9 @@ bool EHHeaderParser<A>::findFDE(A &addressSpace, pint_t pc, pint_t ehHdrStart,
pint_t ehHdrEnd = ehHdrStart + sectionLength;
EHHeaderParser<A>::EHHeaderInfo hdrInfo;
- EHHeaderParser<A>::decodeEHHdr(addressSpace, ehHdrStart, ehHdrEnd, hdrInfo);
+ if (!EHHeaderParser<A>::decodeEHHdr(addressSpace, ehHdrStart, ehHdrEnd,
+ hdrInfo))
+ return false;
size_t tableEntrySize = getTableEntrySize(hdrInfo.table_enc);
pint_t tableEntry;