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<!DOCTYPE html>
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<title>WABT(1)</title>
</head>
<body>
<table class="head">
<tr>
<td class="head-ltitle">WABT(1)</td>
<td class="head-vol">General Commands Manual</td>
<td class="head-rtitle">WABT(1)</td>
</tr>
</table>
<div class="manual-text">
<section class="Sh">
<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
<code class="Nm">wat2wasm</code> —
<div class="Nd">translate from WebAssembly text format to the WebAssembly binary
format</div>
</section>
<section class="Sh">
<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
<table class="Nm">
<tr>
<td><code class="Nm">wat2wasm</code></td>
<td>[options] <var class="Ar">file</var></td>
</tr>
</table>
</section>
<section class="Sh">
<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
<code class="Nm">wat2wasm</code> translates from WebAssembly text format to the
WebAssembly binary format.
<p class="Pp">The options are as follows:</p>
<dl class="Bl-tag">
<dt><a class="permalink" href="#v"><code class="Fl" id="v">-v</code></a>,
<code class="Fl">-</code><code class="Fl">-verbose</code></dt>
<dd>Use multiple times for more info</dd>
<dt><code class="Fl">-</code><code class="Fl">-help</code></dt>
<dd>Print a help message</dd>
<dt><code class="Fl">-</code><code class="Fl">-debug-parser</code></dt>
<dd>Turn on debugging the parser of wat files</dd>
<dt><a class="permalink" href="#d"><code class="Fl" id="d">-d</code></a>,
<code class="Fl">-</code><code class="Fl">-dump-module</code></dt>
<dd>Print a hexdump of the module to stdout</dd>
<dt><code class="Fl">-</code><code class="Fl">-enable-exceptions</code></dt>
<dd>Experimental exception handling</dd>
<dt><code class="Fl">-</code><code class="Fl">-disable-mutable-globals</code></dt>
<dd>Import/export mutable globals</dd>
<dt><code class="Fl">-</code><code class="Fl">-enable-saturating-float-to-int</code></dt>
<dd>Saturating float-to-int operators</dd>
<dt><code class="Fl">-</code><code class="Fl">-enable-sign-extension</code></dt>
<dd>Sign-extension operators</dd>
<dt><code class="Fl">-</code><code class="Fl">-disable-simd</code></dt>
<dd>SIMD support</dd>
<dt><code class="Fl">-</code><code class="Fl">-enable-threads</code></dt>
<dd>Threading support</dd>
<dt><a class="permalink" href="#o"><code class="Fl" id="o">-o</code></a>,
<code class="Fl">-</code><code class="Fl">-output=FILE</code></dt>
<dd>output wasm binary file</dd>
<dt><a class="permalink" href="#r"><code class="Fl" id="r">-r</code></a>,
<code class="Fl">-</code><code class="Fl">-relocatable</code></dt>
<dd>Create a relocatable wasm binary (suitable for linking with e.g. lld)</dd>
<dt><code class="Fl">-</code><code class="Fl">-no-canonicalize-leb128s</code></dt>
<dd>Write all LEB128 sizes as 5-bytes instead of their minimal size</dd>
<dt><code class="Fl">-</code><code class="Fl">-debug-names</code></dt>
<dd>Write debug names to the generated binary file</dd>
<dt><code class="Fl">-</code><code class="Fl">-no-check</code></dt>
<dd>Don't check for invalid modules</dd>
</dl>
</section>
<section class="Sh">
<h1 class="Sh" id="EXAMPLES"><a class="permalink" href="#EXAMPLES">EXAMPLES</a></h1>
Parse test.wat and write to .wasm binary file with the same name
<p class="Pp"></p>
<div class="Bd Bd-indent"><code class="Li">$ wat2wasm test.wat</code></div>
<p class="Pp">Parse test.wat and write to binary file test.wasm</p>
<p class="Pp"></p>
<div class="Bd Bd-indent"><code class="Li">$ wat2wasm test.wat -o
test.wasm</code></div>
<p class="Pp">Parse spec-test.wast, and write verbose output to stdout
(including the meaning of every byte)</p>
<p class="Pp"></p>
<div class="Bd Bd-indent"><code class="Li">$ wat2wasm spec-test.wast
-v</code></div>
</section>
<section class="Sh">
<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
ALSO</a></h1>
<a class="Xr" href="wasm-interp.1.html">wasm-interp(1)</a>,
<a class="Xr" href="wasm-objdump.1.html">wasm-objdump(1)</a>,
<a class="Xr" href="wasm-stats.1.html">wasm-stats(1)</a>,
<a class="Xr" href="wasm-strip.1.html">wasm-strip(1)</a>,
<a class="Xr" href="wasm-validate.1.html">wasm-validate(1)</a>,
<a class="Xr" href="wasm2c.1.html">wasm2c(1)</a>,
<a class="Xr" href="wasm2wat.1.html">wasm2wat(1)</a>,
<a class="Xr" href="wast2json.1.html">wast2json(1)</a>,
<a class="Xr" href="wat-desugar.1.html">wat-desugar(1)</a>,
<a class="Xr" href="spectest-interp.1.html">spectest-interp(1)</a>
</section>
<section class="Sh">
<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1>
If you find a bug, please report it at
<br/>
<a class="Lk" href="https://github.com/WebAssembly/wabt/issues">https://github.com/WebAssembly/wabt/issues</a>.
</section>
</div>
<table class="foot">
<tr>
<td class="foot-date">October 7, 2021</td>
<td class="foot-os">Debian</td>
</tr>
</table>
</body>
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