Porting

The topics in this section cover the main integration points that you need to consider when porting C/C++ code to Emscripten, along with general coding and debugging guidelines.

• Code Portability and Limitations
• Emscripten Runtime Environment
• Connecting C++ and JavaScript
• Files and File Systems
• Multimedia and Graphics
• Audio
• Debugging
• Pthreads support
• Networking
• Using SIMD with WebAssembly
• GCC/Clang SIMD Vector Extensions
• WebAssembly SIMD Intrinsics
• Limitations and behavioral differences
• Optimization considerations
• Compiling SIMD code targeting x86 SSE* instruction sets
• Compiling SIMD code targeting ARM NEON instruction set
• C++ Exceptions Support
• C setjmp-longjmp Support
• Asynchronous Code
• Building Projects