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-rw-r--r--src/wasm-interpreter.h2
-rw-r--r--src/wasm-shell.cpp5
2 files changed, 3 insertions, 4 deletions
diff --git a/src/wasm-interpreter.h b/src/wasm-interpreter.h
index 5483271c3..e69e9c9aa 100644
--- a/src/wasm-interpreter.h
+++ b/src/wasm-interpreter.h
@@ -648,7 +648,7 @@ private:
case GrowMemory: {
Flow flow = visit(curr->operands[0]);
if (flow.breaking()) return flow;
- size_t newSize = flow.value.getInteger();
+ size_t newSize = instance.memorySize + flow.value.getInteger();
if (newSize > instance.wasm.memory.max) trap();
instance.externalInterface->growMemory(instance.memorySize, newSize);
instance.memorySize = newSize;
diff --git a/src/wasm-shell.cpp b/src/wasm-shell.cpp
index 8577b827e..26ce56e8e 100644
--- a/src/wasm-shell.cpp
+++ b/src/wasm-shell.cpp
@@ -28,7 +28,7 @@ struct ShellExternalInterface : ModuleInstance::ExternalInterface {
ShellExternalInterface() : memory(nullptr) {}
void init(Module& wasm) override {
- memory = new char[wasm.memory.initial];
+ memory = (char*)malloc(wasm.memory.initial);
// apply memory segments
for (auto segment : wasm.memory.segments) {
memcpy(memory + segment.offset, segment.data, segment.size);
@@ -103,8 +103,7 @@ struct ShellExternalInterface : ModuleInstance::ExternalInterface {
}
void growMemory(size_t oldSize, size_t newSize) override {
- delete memory;
- memory = new char[newSize];
+ memory = (char*)realloc(memory, newSize);
}
jmp_buf trapState;