Re-org memory allocation interfaces, add --stack-size and --heap-size option (#193)

core/iwasm/common/wasm_memory.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+
+#ifndef _WASM_MEMORY_H
+#define _WASM_MEMORY_H
+
+#include "bh_common.h"
+#include "../include/wasm_export.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+bool
+wasm_runtime_memory_init(mem_alloc_type_t mem_alloc_type,
+                         const MemAllocOption *alloc_option);
+
+void
+wasm_runtime_memory_destroy();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* end of _WASM_MEMORY_H */
+