diff options
| -rw-r--r-- | src/tools/wasm2js.cpp | 8 | ||||
| -rw-r--r-- | src/wasm2js.h | 10 |
2 files changed, 18 insertions, 0 deletions
diff --git a/src/tools/wasm2js.cpp b/src/tools/wasm2js.cpp index 8e6ab074f..cf2532c6c 100644 --- a/src/tools/wasm2js.cpp +++ b/src/tools/wasm2js.cpp @@ -838,6 +838,14 @@ int main(int argc, const char* argv[]) { "form)", Options::Arguments::Zero, [&](Options* o, const std::string& argument) { flags.emscripten = true; }) + .add( + "--symbols-file", + "", + "Emit a symbols file that maps function indexes to their original names", + Options::Arguments::One, + [&](Options* o, const std::string& argument) { + flags.symbolsFile = argument; + }) .add_positional("INFILE", Options::Arguments::One, [](Options* o, const std::string& argument) { diff --git a/src/wasm2js.h b/src/wasm2js.h index 9936f492e..a3447749c 100644 --- a/src/wasm2js.h +++ b/src/wasm2js.h @@ -42,6 +42,7 @@ #include "mixed_arena.h" #include "passes/passes.h" #include "support/base64.h" +#include "support/file.h" #include "wasm-builder.h" #include "wasm-io.h" #include "wasm-validator.h" @@ -123,6 +124,7 @@ public: bool pedantic = false; bool allowAsserts = false; bool emscripten = false; + std::string symbolsFile; }; Wasm2JSBuilder(Flags f, PassOptions options_) : flags(f), options(options_) { @@ -330,6 +332,14 @@ Ref Wasm2JSBuilder::processWasm(Module* wasm, Name funcName) { runner.run(); } + if (flags.symbolsFile.size() > 0) { + Output out(flags.symbolsFile, wasm::Flags::Text, wasm::Flags::Release); + Index i = 0; + for (auto& func : wasm->functions) { + out.getStream() << i++ << ':' << func->name.str << '\n'; + } + } + #ifndef NDEBUG if (!WasmValidator().validate(*wasm)) { WasmPrinter::printModule(wasm); |