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84 lines
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<title>MicroBlaze Directives - Using as</title>
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This file documents the GNU Assembler "as".
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<a name="MicroBlaze-Directives"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="MicroBlaze-Syntax.html#MicroBlaze-Syntax">MicroBlaze Syntax</a>,
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Up: <a rel="up" accesskey="u" href="MicroBlaze_002dDependent.html#MicroBlaze_002dDependent">MicroBlaze-Dependent</a>
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<h4 class="subsection">9.26.1 Directives</h4>
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<p><a name="index-MicroBlaze-directives-1464"></a>A number of assembler directives are available for MicroBlaze.
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<dl>
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<dt><code>.data8 </code><var>expression</var><code>,...</code><dd>This directive is an alias for <code>.byte</code>. Each expression is assembled
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into an eight-bit value.
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<br><dt><code>.data16 </code><var>expression</var><code>,...</code><dd>This directive is an alias for <code>.hword</code>. Each expression is assembled
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into an 16-bit value.
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<br><dt><code>.data32 </code><var>expression</var><code>,...</code><dd>This directive is an alias for <code>.word</code>. Each expression is assembled
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into an 32-bit value.
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<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
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<var>name</var> at (optional) <var>label</var>.
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<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
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<var>name</var>.
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<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>
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is stored in the data section.
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<br><dt><code>.weakext </code><var>label</var><dd>Declare that <var>label</var> is a weak external symbol.
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<br><dt><code>.rodata</code><dd>Switch to .rodata section. Equivalent to <code>.section .rodata</code>
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<br><dt><code>.sdata2</code><dd>Switch to .sdata2 section. Equivalent to <code>.section .sdata2</code>
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<br><dt><code>.sdata</code><dd>Switch to .sdata section. Equivalent to <code>.section .sdata</code>
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<br><dt><code>.bss</code><dd>Switch to .bss section. Equivalent to <code>.section .bss</code>
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<br><dt><code>.sbss</code><dd>Switch to .sbss section. Equivalent to <code>.section .sbss</code>
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</dl>
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