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<title>Using as: TIC6X Directives</title>

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<a name="TIC6X-Directives"></a>
<div class="header">
<p>
Previous: <a href="TIC6X-Syntax.html#TIC6X-Syntax" accesskey="p" rel="prev">TIC6X Syntax</a>, Up: <a href="TIC6X_002dDependent.html#TIC6X_002dDependent" accesskey="u" rel="up">TIC6X-Dependent</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>
</div>
<hr>
<a name="TIC6X-Directives-1"></a>
<h4 class="subsection">9.45.3 TIC6X Directives</h4>

<a name="index-machine-directives_002c-TIC6X"></a>
<a name="index-TIC6X-machine-directives"></a>

<p>Directives controlling the set of instructions accepted by the
assembler have effect for instructions between the directive and any
subsequent directive overriding it.
</p>
<dl compact="compact">
<dd>
<a name="index-_002earch-directive_002c-TIC6X"></a>
</dd>
<dt><code>.arch <var>arch</var></code></dt>
<dd><p>This has the same effect as <samp>-march=<var>arch</var></samp>.
</p>
<a name="index-_002ecantunwind-directive_002c-TIC6X"></a>
</dd>
<dt><code>.cantunwind</code></dt>
<dd><p>Prevents unwinding through the current function.  No personality routine
or exception table data is required or permitted.
</p>
<p>If this is not specified then frame unwinding information will be
constructed from CFI directives. see <a href="CFI-directives.html#CFI-directives">CFI directives</a>.
</p>
<a name="index-_002ec6xabi_005fattribute-directive_002c-TIC6X"></a>
</dd>
<dt><code>.c6xabi_attribute <var>tag</var>, <var>value</var></code></dt>
<dd><p>Set the C6000 EABI build attribute <var>tag</var> to <var>value</var>.
</p>
<p>The <var>tag</var> is either an attribute number or one of
<code>Tag_ISA</code>, <code>Tag_ABI_wchar_t</code>,
<code>Tag_ABI_stack_align_needed</code>,
<code>Tag_ABI_stack_align_preserved</code>, <code>Tag_ABI_DSBT</code>,
<code>Tag_ABI_PID</code>, <code>Tag_ABI_PIC</code>,
<code>TAG_ABI_array_object_alignment</code>,
<code>TAG_ABI_array_object_align_expected</code>,
<code>Tag_ABI_compatibility</code> and <code>Tag_ABI_conformance</code>.  The
<var>value</var> is either a <code>number</code>, <code>&quot;string&quot;</code>, or
<code>number, &quot;string&quot;</code> depending on the tag.
</p>
<a name="index-_002eehtype-directive_002c-TIC6X"></a>
</dd>
<dt><code>.ehtype <var>symbol</var></code></dt>
<dd><p>Output an exception type table reference to <var>symbol</var>.
</p>
<a name="index-_002eendp-directive_002c-TIC6X"></a>
</dd>
<dt><code>.endp</code></dt>
<dd><p>Marks the end of and exception table or function.  If preceeded by a
<code>.handlerdata</code> directive then this also switched back to the previous
text section.
</p>
<a name="index-_002ehandlerdata-directive_002c-TIC6X"></a>
</dd>
<dt><code>.handlerdata</code></dt>
<dd><p>Marks the end of the current function, and the start of the exception table
entry for that function.  Anything between this directive and the
<code>.endp</code> directive will be added to the exception table entry.
</p>
<p>Must be preceded by a CFI block containing a <code>.cfi_lsda</code> directive.
</p>
<a name="index-_002enocmp-directive_002c-TIC6X"></a>
</dd>
<dt><code>.nocmp</code></dt>
<dd><p>Disallow use of C64x+ compact instructions in the current text
section.
</p>
<a name="index-_002epersonalityindex-directive_002c-TIC6X"></a>
</dd>
<dt><code>.personalityindex <var>index</var></code></dt>
<dd><p>Sets the personality routine for the current function to the ABI specified
compact routine number <var>index</var>
</p>
<a name="index-_002epersonality-directive_002c-TIC6X"></a>
</dd>
<dt><code>.personality <var>name</var></code></dt>
<dd><p>Sets the personality routine for the current function to <var>name</var>.
</p>
<a name="index-_002escomm-directive_002c-TIC6X"></a>
</dd>
<dt><code>.scomm <var>symbol</var>, <var>size</var>, <var>align</var></code></dt>
<dd><p>Like <code>.comm</code>, creating a common symbol <var>symbol</var> with size <var>size</var>
and alignment <var>align</var>, but unlike when using <code>.comm</code>, this symbol
will be placed into the small BSS section by the linker.
</p>
</dd>
</dl>


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