[wasm] Encode function signatures, bodies, and names as separate sections.

src/wasm/wasm-module.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_WASM_MODULE_H_
 #define V8_WASM_MODULE_H_
 
 #include "src/wasm/wasm-opcodes.h"
 #include "src/wasm/wasm-result.h"
 
@@ skipping 11 matching lines @@
 const size_t kMaxModuleSize = 1024 * 1024 * 1024;
 const size_t kMaxFunctionSize = 128 * 1024;
 const size_t kMaxStringSize = 256;
 const uint32_t kWasmMagic = 0x6d736100;
 const uint32_t kWasmVersion = 0x0a;
 
 // WebAssembly sections are named as strings in the binary format, but
 // internally V8 uses an enum to handle them.
 //
 // Entries have the form F(enumerator, string).
-#define FOR_EACH_WASM_SECTION_TYPE(F)     \
-  F(kDeclMemory, "memory")                \
-  F(kDeclSignatures, "signatures")        \
-  F(kDeclFunctions, "functions")          \
-  F(kDeclGlobals, "globals")              \
-  F(kDeclDataSegments, "data_segments")   \
-  F(kDeclFunctionTable, "function_table") \
-  F(kDeclEnd, "end")                      \
-  F(kDeclStartFunction, "start_function") \
-  F(kDeclImportTable, "import_table")     \
-  F(kDeclExportTable, "export_table")
+#define FOR_EACH_WASM_SECTION_TYPE(F)               \
+  F(kDeclMemory, "memory")                          \
+  F(kDeclSignatures, "signatures")                  \
+  F(kDeclFunctions, "functions")                    \
+  F(kDeclGlobals, "globals")                        \
+  F(kDeclDataSegments, "data_segments")             \
+  F(kDeclFunctionTable, "function_table")           \
+  F(kDeclEnd, "end")                                \
+  F(kDeclStartFunction, "start_function")           \
+  F(kDeclImportTable, "import_table")               \
+  F(kDeclExportTable, "export_table")               \
+  F(kDeclFunctionSignatures, "function_signatures") \
+  F(kDeclFunctionBodies, "function_bodies")         \
+  F(kDeclNames, "names")
 
 enum WasmSectionDeclCode : uint32_t {
 #define F(enumerator, string) enumerator,
   FOR_EACH_WASM_SECTION_TYPE(F)
 #undef F
       kMaxModuleSectionCode
 };
 
 enum WasmFunctionDeclBit {
   kDeclFunctionName = 0x01,
@@ skipping 214 matching lines @@
 
 // For testing. Decode, verify, and run the last exported function in the
 // given decoded module.
 int32_t CompileAndRunWasmModule(Isolate* isolate, WasmModule* module);
 
 }  // namespace wasm
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_WASM_MODULE_H_