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<a name="AArch64-Mapping-Symbols"></a>
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Previous: <a rel="previous" accesskey="p" href="AArch64-Opcodes.html#AArch64-Opcodes">AArch64 Opcodes</a>,
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Up: <a rel="up" accesskey="u" href="AArch64_002dDependent.html#AArch64_002dDependent">AArch64-Dependent</a>
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<h4 class="subsection">9.1.7 Mapping Symbols</h4>
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<p>The AArch64 ELF specification requires that special symbols be inserted
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into object files to mark certain features:
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<a name="index-g_t_0040code_007b_0024x_007d-560"></a>
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<dl><dt><code>$x</code><dd>At the start of a region of code containing AArch64 instructions.
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<p><a name="index-g_t_0040code_007b_0024d_007d-561"></a><br><dt><code>$d</code><dd>At the start of a region of data.
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