| <html lang="en"> |
| <head> |
| <title>MicroBlaze Directives - Using as</title> |
| <meta http-equiv="Content-Type" content="text/html"> |
| <meta name="description" content="Using as"> |
| <meta name="generator" content="makeinfo 4.13"> |
| <link title="Top" rel="start" href="index.html#Top"> |
| <link rel="up" href="MicroBlaze_002dDependent.html#MicroBlaze_002dDependent" title="MicroBlaze-Dependent"> |
| <link rel="next" href="MicroBlaze-Syntax.html#MicroBlaze-Syntax" title="MicroBlaze Syntax"> |
| <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> |
| <!-- |
| This file documents the GNU Assembler "as". |
| |
| Copyright (C) 1991-2019 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''. |
| |
| --> |
| <meta http-equiv="Content-Style-Type" content="text/css"> |
| <style type="text/css"><!-- |
| pre.display { font-family:inherit } |
| pre.format { font-family:inherit } |
| pre.smalldisplay { font-family:inherit; font-size:smaller } |
| pre.smallformat { font-family:inherit; font-size:smaller } |
| pre.smallexample { font-size:smaller } |
| pre.smalllisp { font-size:smaller } |
| span.sc { font-variant:small-caps } |
| span.roman { font-family:serif; font-weight:normal; } |
| span.sansserif { font-family:sans-serif; font-weight:normal; } |
| --></style> |
| </head> |
| <body> |
| <div class="node"> |
| <a name="MicroBlaze-Directives"></a> |
| <p> |
| Next: <a rel="next" accesskey="n" href="MicroBlaze-Syntax.html#MicroBlaze-Syntax">MicroBlaze Syntax</a>, |
| Up: <a rel="up" accesskey="u" href="MicroBlaze_002dDependent.html#MicroBlaze_002dDependent">MicroBlaze-Dependent</a> |
| <hr> |
| </div> |
| |
| <h4 class="subsection">9.26.1 Directives</h4> |
| |
| <p><a name="index-MicroBlaze-directives-1548"></a>A number of assembler directives are available for MicroBlaze. |
| |
| <dl> |
| <dt><code>.data8 </code><var>expression</var><code>,...</code><dd>This directive is an alias for <code>.byte</code>. Each expression is assembled |
| into an eight-bit value. |
| |
| <br><dt><code>.data16 </code><var>expression</var><code>,...</code><dd>This directive is an alias for <code>.hword</code>. Each expression is assembled |
| into an 16-bit value. |
| |
| <br><dt><code>.data32 </code><var>expression</var><code>,...</code><dd>This directive is an alias for <code>.word</code>. Each expression is assembled |
| into an 32-bit value. |
| |
| <br><dt><code>.ent </code><var>name</var><code>[,</code><var>label</var><code>]</code><dd>This directive is an alias for <code>.func</code> denoting the start of function |
| <var>name</var> at (optional) <var>label</var>. |
| |
| <br><dt><code>.end </code><var>name</var><code>[,</code><var>label</var><code>]</code><dd>This directive is an alias for <code>.endfunc</code> denoting the end of function |
| <var>name</var>. |
| |
| <br><dt><code>.gpword </code><var>label</var><code>,...</code><dd>This directive is an alias for <code>.rva</code>. The resolved address of <var>label</var> |
| is stored in the data section. |
| |
| <br><dt><code>.weakext </code><var>label</var><dd>Declare that <var>label</var> is a weak external symbol. |
| |
| <br><dt><code>.rodata</code><dd>Switch to .rodata section. Equivalent to <code>.section .rodata</code> |
| |
| <br><dt><code>.sdata2</code><dd>Switch to .sdata2 section. Equivalent to <code>.section .sdata2</code> |
| |
| <br><dt><code>.sdata</code><dd>Switch to .sdata section. Equivalent to <code>.section .sdata</code> |
| |
| <br><dt><code>.bss</code><dd>Switch to .bss section. Equivalent to <code>.section .bss</code> |
| |
| <br><dt><code>.sbss</code><dd>Switch to .sbss section. Equivalent to <code>.section .sbss</code> |
| </dl> |
| |
| </body></html> |
| |