NAME¶

wasm2c — convert a WebAssembly binary file to a C source and header

SYNOPSIS¶

DESCRIPTION¶

wasm2c takes a WebAssembly module and produces an equivalent C source and header.

The options are as follows:

--help

Print a help message

--version

Print version information

-v, --verbose

Use multiple times for more info

-o, --output=FILENAME

Output file for the generated C source file, by default use stdout

-n, --module-name=MODNAME

Unique name for the module being generated. This name is prefixed to each of the generaed C symbols. By default, the module name from the names section is used. If that is not present the name of the input file is used as the default.

--enable-exceptions

Enable Experimental exception handling

--disable-mutable-globals

Disable Import/export mutable globals

--disable-saturating-float-to-int

Disable Saturating float-to-int operators

--disable-sign-extension

Disable Sign-extension operators

--disable-simd

Disable SIMD support

--enable-threads

Enable Threading support

--enable-function-references

Enable Typed function references

--disable-multi-value

Disable Multi-value

--enable-tail-call

Enable Tail-call support

--disable-bulk-memory

Disable Bulk-memory operations

--disable-reference-types

Disable Reference types (externref)

--enable-annotations

Enable Custom annotation syntax

--enable-code-metadata

Enable Code metadata

--enable-gc

Enable Garbage collection

--enable-memory64

Enable 64-bit memory

--enable-multi-memory

Enable Multi-memory

--enable-extended-const

Enable Extended constant expressions

--enable-all

Enable all features

--no-debug-names

Ignore debug names in the binary file

EXAMPLES¶

Parse binary file test.wasm and write test.c and test.h

Parse test.wasm, write test.c and test.h, but ignore the debug names, if any

SEE ALSO¶

wasm-decompile(1), wasm-interp(1), wasm-objdump(1), wasm-stats(1), wasm-strip(1), wasm-validate(1), wasm2wat(1), wast2json(1), wat-desugar(1), wat2wasm(1), spectest-interp(1)

BUGS¶

If you find a bug, please report it at
https://github.com/WebAssembly/wabt/issues.