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Diffstat (limited to 'src/tools/wasm-emscripten-finalize.cpp')
-rw-r--r-- | src/tools/wasm-emscripten-finalize.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/tools/wasm-emscripten-finalize.cpp b/src/tools/wasm-emscripten-finalize.cpp new file mode 100644 index 000000000..87505748c --- /dev/null +++ b/src/tools/wasm-emscripten-finalize.cpp @@ -0,0 +1,103 @@ +/* + * Copyright 2017 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. + */ + +// +// wasm-emscripten-finalize console tool +// Performs Emscripten-specific transforms on .wasm files +// + +#include <exception> + +#include "ir/trapping.h" +#include "support/colors.h" +#include "support/command-line.h" +#include "support/file.h" +#include "wasm-binary.h" +#include "wasm-emscripten.h" +#include "wasm-io.h" +#include "wasm-linker.h" +#include "wasm-printing.h" +#include "wasm-validator.h" + +using namespace cashew; +using namespace wasm; + +int main(int argc, const char *argv[]) { + std::string infile; + std::string outfile; + bool emitBinary = true; + std::vector<Name> forcedExports; + Options options("wasm-emscripten-finalize", + "Performs Emscripten-specific transforms on .wasm files"); + options + .add("--output", "-o", "Output file", + Options::Arguments::One, + [&outfile](Options*, const std::string &argument) { + outfile = argument; + Colors::disable(); + }) + .add("--emit-text", "-S", "Emit text instead of binary for the output file", + Options::Arguments::Zero, + [&emitBinary](Options*, const std::string &) { + emitBinary = false; + }) + .add_positional("INFILE", Options::Arguments::One, + [&infile](Options *o, const std::string &argument) { + infile = argument; + }); + options.parse(argc, argv); + + if (infile == "") { + Fatal() << "Need to specify an infile\n"; + } + if (outfile == "" && emitBinary) { + Fatal() << "Need to specify an outfile, or use text output\n"; + } + + Module wasm; + ModuleReader reader; + reader.read(infile, wasm); + + if (options.debug) { + std::cerr << "Module before:\n"; + WasmPrinter::printModule(&wasm, std::cerr); + } + + EmscriptenGlueGenerator generator(wasm); + generator.generateRuntimeFunctions(); + generator.generateMemoryGrowthFunction(); + generator.generateDynCallThunks(); + generator.fixEmAsmConsts(); + + if (options.debug) { + std::cerr << "Module after:\n"; + WasmPrinter::printModule(&wasm, std::cerr); + } + + ModuleWriter writer; + // writer.setDebug(options.debug); + writer.setDebugInfo(true); + // writer.setDebugInfo(options.passOptions.debugInfo); + // writer.setSymbolMap(symbolMap); + writer.setBinary(emitBinary); + // if (emitBinary) { + // writer.setSourceMapFilename(sourceMapFilename); + // writer.setSourceMapUrl(sourceMapUrl); + // } + writer.write(wasm, outfile); + + return 0; +} |