wasm-stats1

Usage

Overview

wasm-stats Read a file in the wasm binary format, and output stats.

The options are as follows:

--help

Print this help message

--version

Print version information

-v, --verbose

Use multiple times for more info

--disable-exceptions

Disable 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

--disable-tail-call

Disable Tail-call support

--disable-bulk-memory

Disable Bulk-memory operations

--disable-reference-types

Disable Reference types (externref)

--disable-annotations

Disable Custom annotation syntax

--enable-code-metadata

Enable Code metadata

--enable-gc

Enable Garbage collection

--disable-memory64

Disable 64-bit memory

--disable-multi-memory

Disable Multi-memory

--disable-extended-const

Disable Extended constant expressions

--disable-relaxed-simd

Disable Relaxed SIMD

--enable-custom-page-sizes

Enable Custom page sizes

--enable-compact-imports

Enable Compact import section

--enable-wide-arithmetic

Enable Wide arithmetic

--enable-all

Enable all features

-o, --output=FILENAME

Output file for the stats, by default use stdout

-c, --cutoff=N

Cutoff for reporting counts less than N

Examples

parse binary file test.wasm and write opcode dist file test.dist

$ wasm-stats test.wasm -o test.dist