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WASM files with a tag section (i. e. those produced by compilers targeting the EH proposal) fail to parse:
> twiggy top HelloWasm.wasm error: WASM error: Invalid section code (at offset 18306) caused by: Invalid section code (at offset 18306) > wasm-objdump -h HelloWasm.wasm HelloWasm.wasm: file format wasm 0x1 Sections: Type start=0x0000000e end=0x000006b1 (size=0x000006a3) count: 199 Import start=0x000006b7 end=0x00000a8f (size=0x000003d8) count: 37 Function start=0x00000a95 end=0x00004768 (size=0x00003cd3) count: 15498 Table start=0x0000476e end=0x00004775 (size=0x00000007) count: 1 Memory start=0x0000477b end=0x00004782 (size=0x00000007) count: 1 <!-- Note the end offset in decimal: 18306 --> Tag start=0x00004788 end=0x0000478b (size=0x00000003) count: 1 Global start=0x00004791 end=0x000047a9 (size=0x00000018) count: 4 Export start=0x000047af end=0x00004c60 (size=0x000004b1) count: 68 Elem start=0x00004c66 end=0x000097e5 (size=0x00004b7f) count: 1 Code start=0x000097eb end=0x003278db (size=0x0031e0f0) count: 15498 Data start=0x003278e1 end=0x0044360f (size=0x0011bd2e) count: 2
twiggy version: twiggy-opt 0.7.0
twiggy-opt 0.7.0
Using the Emscripten SDK:
int main() { try { throw 1; } catch (int i) { } }
> emcc -c repro.cpp -o repro.o -fwasm-exceptions > twiggy top repro.o
The text was updated successfully, but these errors were encountered:
It will be fixed by upgrading wasmparser. https://docs.rs/wasmparser/latest/wasmparser/enum.TagKind.html as the newer version seems to support the exception tag.
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WASM files with a tag section (i. e. those produced by compilers targeting the EH proposal) fail to parse:
twiggy version:
twiggy-opt 0.7.0
Steps to Reproduce
Using the Emscripten SDK:
The text was updated successfully, but these errors were encountered: