diff options
| -rw-r--r-- | src/passes/SafeHeap.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/passes/SafeHeap.cpp b/src/passes/SafeHeap.cpp index 9d2b250f5..2eed23256 100644 --- a/src/passes/SafeHeap.cpp +++ b/src/passes/SafeHeap.cpp @@ -81,6 +81,10 @@ struct AccessInstrumenter : public WalkerPass<PostWalker<AccessInstrumenter>> { AccessInstrumenter(Name getSbrkPtr) : getSbrkPtr(getSbrkPtr) {} void visitLoad(Load* curr) { + // As well as the getSbrkPtr function we also avoid insturmenting the + // module start function. This is because this function is used in + // shared memory builds to load the passive memory segments, which in + // turn means that value of sbrk() is not available. if (getFunction()->name == getModule()->start || getFunction()->name == getSbrkPtr || curr->type == Type::unreachable) { return; |