WIP: Code generator for WebAssembly #1
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This only optimizes the usage of the shadow stack, but not the WASM stack. To fix the former one would need to fork parity-wasm and add support for ReturnCall instruction.
u64 is unsigned, doh!
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This is a proof-of-concept WebAssembly code generator for Homer.
It is implemented on top of a runtime that provides the linear memories for heap and stack. The WASM stack is only used
to pass arguments to the runtime functions.
Memory in heap is garbage collected with a simple copying collector.
What works:
Test coverage is currently non-existent and implementation likely buggy in parts.
TODO: