| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html> |
| <!-- This file documents the GNU Assembler "as". |
| |
| Copyright (C) 1991-2013 Free Software Foundation, Inc. |
| |
| Permission is granted to copy, distribute and/or modify this document |
| under the terms of the GNU Free Documentation License, Version 1.3 |
| or any later version published by the Free Software Foundation; |
| with no Invariant Sections, with no Front-Cover Texts, and with no |
| Back-Cover Texts. A copy of the license is included in the |
| section entitled "GNU Free Documentation License". |
| --> |
| <!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ --> |
| <head> |
| <title>Using as: TIC6X Directives</title> |
| |
| <meta name="description" content="Using as: TIC6X Directives"> |
| <meta name="keywords" content="Using as: TIC6X Directives"> |
| <meta name="resource-type" content="document"> |
| <meta name="distribution" content="global"> |
| <meta name="Generator" content="makeinfo"> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> |
| <link href="index.html#Top" rel="start" title="Top"> |
| <link href="AS-Index.html#AS-Index" rel="index" title="AS Index"> |
| <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> |
| <link href="TIC6X_002dDependent.html#TIC6X_002dDependent" rel="up" title="TIC6X-Dependent"> |
| <link href="TILE_002dGx_002dDependent.html#TILE_002dGx_002dDependent" rel="next" title="TILE-Gx-Dependent"> |
| <link href="TIC6X-Syntax.html#TIC6X-Syntax" rel="prev" title="TIC6X Syntax"> |
| <style type="text/css"> |
| <!-- |
| a.summary-letter {text-decoration: none} |
| blockquote.smallquotation {font-size: smaller} |
| div.display {margin-left: 3.2em} |
| div.example {margin-left: 3.2em} |
| div.indentedblock {margin-left: 3.2em} |
| div.lisp {margin-left: 3.2em} |
| div.smalldisplay {margin-left: 3.2em} |
| div.smallexample {margin-left: 3.2em} |
| div.smallindentedblock {margin-left: 3.2em; font-size: smaller} |
| div.smalllisp {margin-left: 3.2em} |
| kbd {font-style:oblique} |
| pre.display {font-family: inherit} |
| pre.format {font-family: inherit} |
| pre.menu-comment {font-family: serif} |
| pre.menu-preformatted {font-family: serif} |
| pre.smalldisplay {font-family: inherit; font-size: smaller} |
| pre.smallexample {font-size: smaller} |
| pre.smallformat {font-family: inherit; font-size: smaller} |
| pre.smalllisp {font-size: smaller} |
| span.nocodebreak {white-space:nowrap} |
| span.nolinebreak {white-space:nowrap} |
| span.roman {font-family:serif; font-weight:normal} |
| span.sansserif {font-family:sans-serif; font-weight:normal} |
| ul.no-bullet {list-style: none} |
| --> |
| </style> |
| |
| |
| </head> |
| |
| <body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> |
| <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> [<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">9.43.3 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>"string"</code>, or |
| <code>number, "string"</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> |
| |
| |
| <hr> |
| <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> [<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> |
| |
| |
| |
| </body> |
| </html> |
