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  20. <title>Assembler Format (GNU Compiler Collection (GCC) Internals)</title>
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  28. <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
  29. <link href="Target-Macros.html#Target-Macros" rel="up" title="Target Macros">
  30. <link href="File-Framework.html#File-Framework" rel="next" title="File Framework">
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  61. <a name="Assembler-Format"></a>
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  63. <p>
  64. Next: <a href="Debugging-Info.html#Debugging-Info" accesskey="n" rel="next">Debugging Info</a>, Previous: <a href="PIC.html#PIC" accesskey="p" rel="prev">PIC</a>, Up: <a href="Target-Macros.html#Target-Macros" accesskey="u" rel="up">Target Macros</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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  67. <a name="Defining-the-Output-Assembler-Language"></a>
  68. <h3 class="section">18.20 Defining the Output Assembler Language</h3>
  69. <p>This section describes macros whose principal purpose is to describe how
  70. to write instructions in assembler language&mdash;rather than what the
  71. instructions do.
  72. </p>
  73. <table class="menu" border="0" cellspacing="0">
  74. <tr><td align="left" valign="top">&bull; <a href="File-Framework.html#File-Framework" accesskey="1">File Framework</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Structural information for the assembler file.
  75. </td></tr>
  76. <tr><td align="left" valign="top">&bull; <a href="Data-Output.html#Data-Output" accesskey="2">Data Output</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Output of constants (numbers, strings, addresses).
  77. </td></tr>
  78. <tr><td align="left" valign="top">&bull; <a href="Uninitialized-Data.html#Uninitialized-Data" accesskey="3">Uninitialized Data</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Output of uninitialized variables.
  79. </td></tr>
  80. <tr><td align="left" valign="top">&bull; <a href="Label-Output.html#Label-Output" accesskey="4">Label Output</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Output and generation of labels.
  81. </td></tr>
  82. <tr><td align="left" valign="top">&bull; <a href="Initialization.html#Initialization" accesskey="5">Initialization</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">General principles of initialization
  83. and termination routines.
  84. </td></tr>
  85. <tr><td align="left" valign="top">&bull; <a href="Macros-for-Initialization.html#Macros-for-Initialization" accesskey="6">Macros for Initialization</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
  86. Specific macros that control the handling of
  87. initialization and termination routines.
  88. </td></tr>
  89. <tr><td align="left" valign="top">&bull; <a href="Instruction-Output.html#Instruction-Output" accesskey="7">Instruction Output</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Output of actual instructions.
  90. </td></tr>
  91. <tr><td align="left" valign="top">&bull; <a href="Dispatch-Tables.html#Dispatch-Tables" accesskey="8">Dispatch Tables</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Output of jump tables.
  92. </td></tr>
  93. <tr><td align="left" valign="top">&bull; <a href="Exception-Region-Output.html#Exception-Region-Output" accesskey="9">Exception Region Output</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Output of exception region code.
  94. </td></tr>
  95. <tr><td align="left" valign="top">&bull; <a href="Alignment-Output.html#Alignment-Output">Alignment Output</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Pseudo ops for alignment and skipping data.
  96. </td></tr>
  97. </table>
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