1 files changed, 46 insertions, 0 deletions
diff --git a/js/src/shell/WasmTesting.h b/js/src/shell/WasmTesting.h
new file mode 100644
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+++ b/js/src/shell/WasmTesting.h
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ *
+ * Copyright 2020 Mozilla Foundation
+ *
+ * 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.
+ */
+
+#ifndef shell_wasm_h
+#define shell_wasm_h
+
+#include "wasm/WasmTypeDecls.h"
+
+namespace js {
+namespace wasm {
+
+// Translate the textual representation of a wasm module (given by a
+// char16_t array + length) into serialized bytes. If there is an error
+// other than out-of-memory an error message string will be stored in 'error'.
+
+[[nodiscard]] extern bool TextToBinary(const char16_t* text, size_t textLen,
+                                       Bytes* bytes, UniqueChars* error);
+
+// Decode the binary wasm module given and return the offsets of all
+// instructions inside of the the code section.
+//
+// This function is used exclusively for testing and handles errors by
+// returning an empty offset array.
+
+extern void CodeOffsets(const uint8_t* bytes, size_t bytesLen,
+                        Uint32Vector* offsets);
+
+}  // namespace wasm
+}  // namespace js
+
+#endif  // shell_wasm_h