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| <title>GNU Compiler Collection (GCC) Internals: Assembler Format</title> |
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| <a name="Defining-the-Output-Assembler-Language"></a> |
| <h3 class="section">17.21 Defining the Output Assembler Language</h3> |
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| <p>This section describes macros whose principal purpose is to describe how |
| to write instructions in assembler language—rather than what the |
| instructions do. |
| </p> |
| <table class="menu" border="0" cellspacing="0"> |
| <tr><td align="left" valign="top">• <a href="File-Framework.html#File-Framework" accesskey="1">File Framework</a>:</td><td> </td><td align="left" valign="top">Structural information for the assembler file. |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="Data-Output.html#Data-Output" accesskey="2">Data Output</a>:</td><td> </td><td align="left" valign="top">Output of constants (numbers, strings, addresses). |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="Uninitialized-Data.html#Uninitialized-Data" accesskey="3">Uninitialized Data</a>:</td><td> </td><td align="left" valign="top">Output of uninitialized variables. |
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| <tr><td align="left" valign="top">• <a href="Label-Output.html#Label-Output" accesskey="4">Label Output</a>:</td><td> </td><td align="left" valign="top">Output and generation of labels. |
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| <tr><td align="left" valign="top">• <a href="Initialization.html#Initialization" accesskey="5">Initialization</a>:</td><td> </td><td align="left" valign="top">General principles of initialization |
| and termination routines. |
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| <tr><td align="left" valign="top">• <a href="Macros-for-Initialization.html#Macros-for-Initialization" accesskey="6">Macros for Initialization</a>:</td><td> </td><td align="left" valign="top"> |
| Specific macros that control the handling of |
| initialization and termination routines. |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="Instruction-Output.html#Instruction-Output" accesskey="7">Instruction Output</a>:</td><td> </td><td align="left" valign="top">Output of actual instructions. |
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| <tr><td align="left" valign="top">• <a href="Dispatch-Tables.html#Dispatch-Tables" accesskey="8">Dispatch Tables</a>:</td><td> </td><td align="left" valign="top">Output of jump tables. |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="Exception-Region-Output.html#Exception-Region-Output" accesskey="9">Exception Region Output</a>:</td><td> </td><td align="left" valign="top">Output of exception region code. |
| </td></tr> |
| <tr><td align="left" valign="top">• <a href="Alignment-Output.html#Alignment-Output">Alignment Output</a>:</td><td> </td><td align="left" valign="top">Pseudo ops for alignment and skipping data. |
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