1 files changed, 48 insertions, 0 deletions
diff --git a/src/passes/DWARF.cpp b/src/passes/DWARF.cpp
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+++ b/src/passes/DWARF.cpp
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+/*
+ * Copyright 2019 WebAssembly Community Group participants
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Dump DWARF sections. This results in something similar to llvm-dwarfdump,
+// as it uses the same code.
+//
+// Note that this dumps the DWARF data read from the binary when we loaded it.
+// It does not contain changes made since then, which will only be updated
+// when we write the binary. To see those changes, you must round-trip.
+//
+
+#include "pass.h"
+#include "wasm-debug.h"
+#include "wasm.h"
+
+namespace wasm {
+
+struct DWARFDump : public Pass {
+  void run(PassRunner* runner, Module* module) override {
+    Debug::dumpDWARF(*module);
+  }
+};
+
+struct DWARFUpdate : public Pass {
+  void run(PassRunner* runner, Module* module) override {
+    Debug::writeDWARFSections(*module);
+  }
+};
+
+Pass* createDWARFDumpPass() { return new DWARFDump(); }
+
+Pass* createDWARFUpdatePass() { return new DWARFUpdate(); }
+
+} // namespace wasm