diff options
-rw-r--r-- | lib/msan/msan.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/msan/msan.cc b/lib/msan/msan.cc index 52eda77e6..d2981f0b0 100644 --- a/lib/msan/msan.cc +++ b/lib/msan/msan.cc @@ -538,6 +538,13 @@ void __msan_set_alloca_origin4(void *a, uptr size, char *descr, uptr pc) { u32 idx = atomic_fetch_add(&NumStackOriginDescrs, 1, memory_order_relaxed); CHECK_LT(idx, kNumStackOriginDescrs); StackOriginDescr[idx] = descr + 4; +#if SANITIZER_PPC64V1 + // On PowerPC64 ELFv1, the address of a function actually points to a + // three-doubleword data structure with the first field containing + // the address of the function's code. + if (pc) + pc = *reinterpret_cast<uptr*>(pc); +#endif StackOriginPC[idx] = pc; id = Origin::CreateStackOrigin(idx).raw_id(); *id_ptr = id; |