emsymbolizer failed to parse symbol map from C++ project #24982
Description
Please include the following in your bug report:
Version of emscripten/emsdk:
emcc (Emscripten gcc/clang-like replacement + linker emulating GNU ld) 4.0.13 (2659582941bef14008476903f48941909db1b196) ─╯
clang version 22.0.0git (https:/github.com/llvm/llvm-project 177f27d22092cb64e871e6cd2f8981d24e823186)
Target: wasm32-unknown-emscripten
Thread model: posix
InstalledDir: /Users/landerl/Applications/emsdk/upstream/bin
Failing command line in full:
$EMSDK/upstream/emscripten/emsymbolizer -s symbolmap -f cmake-build-wasm/dist/markxx.js.symbols cmake-build-wasm/dist/markxx.wasm 0x15452
emsymbolizer utility failed with the output
Traceback (most recent call last):bolizer -s symbolmap -f cmake-build-wasm/dist/markxx.js.symbols cmake-build-wasm/dist/markxx.wasm 0x15452 ─╯
File "/Users/landerl/Applications/emsdk/upstream/emscripten/emsymbolizer.py", line 295, in <module>
rv = main(get_args())
File "/Users/landerl/Applications/emsdk/upstream/emscripten/emsymbolizer.py", line 265, in main
symbolize_address_symbolmap(module, address, args.file)
File "/Users/landerl/Applications/emsdk/upstream/emscripten/emsymbolizer.py", line 226, in symbolize_address_symbolmap
index, name = line.split(':')
ValueError: too many values to unpack (expected 2)Turns out c++ symbol map has the namespace delimtier :: which render the python code index, name = line.split(':') to fail
example symbol map markxx.js.symbols:
12457:std::length_error::~length_error\28\29_12457
12458:std::out_of_range::~out_of_range\28\29
12459:std::overflow_error::~overflow_error\28\29
12460:std::bad_cast::~bad_cast\28\29_12460
12461:std::bad_cast::what\28\29\20const