65 lines
2.8 KiB
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65 lines
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<a name="Weakref"></a>Next: <a rel="next" accesskey="n" href="Word.html#Word">Word</a>,
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Previous: <a rel="previous" accesskey="p" href="Weak.html#Weak">Weak</a>,
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<h3 class="section">7.119 <code>.weakref </code><var>alias</var><code>, </code><var>target</var></h3>
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<p><a name="index-_0040code_007bweakref_007d-directive-498"></a>This directive creates an alias to the target symbol that enables the symbol to
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be referenced with weak-symbol semantics, but without actually making it weak.
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If direct references or definitions of the symbol are present, then the symbol
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will not be weak, but if all references to it are through weak references, the
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symbol will be marked as weak in the symbol table.
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<p>The effect is equivalent to moving all references to the alias to a separate
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assembly source file, renaming the alias to the symbol in it, declaring the
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symbol as weak there, and running a reloadable link to merge the object files
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resulting from the assembly of the new source file and the old source file that
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had the references to the alias removed.
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<p>The alias itself never makes to the symbol table, and is entirely handled
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within the assembler.
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