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toolchain-gcc-arm-embedded/share/doc/gcc-arm-none-eabi/html/as.html/Literal-Prefix-Directive.html

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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

  2. <html>

  3. <!-- This file documents the GNU Assembler "as".

  4. 

  5. Copyright (C) 1991-2020 Free Software Foundation, Inc.

  6. 

  7. Permission is granted to copy, distribute and/or modify this document

  8. under the terms of the GNU Free Documentation License, Version 1.3

  9. or any later version published by the Free Software Foundation;

  10. with no Invariant Sections, with no Front-Cover Texts, and with no

  11. Back-Cover Texts.  A copy of the license is included in the

  12. section entitled "GNU Free Documentation License".

  13.  -->

  14. <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->

  15. <head>

  16. <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

  17. <title>Literal Prefix Directive (Using as)</title>

  18. 

  19. <meta name="description" content="Literal Prefix Directive (Using as)">

  20. <meta name="keywords" content="Literal Prefix Directive (Using as)">

  21. <meta name="resource-type" content="document">

  22. <meta name="distribution" content="global">

  23. <meta name="Generator" content="makeinfo">

  24. <link href="index.html#Top" rel="start" title="Top">

  25. <link href="AS-Index.html#AS-Index" rel="index" title="AS Index">

  26. <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">

  27. <link href="Xtensa-Directives.html#Xtensa-Directives" rel="up" title="Xtensa Directives">

  28. <link href="Absolute-Literals-Directive.html#Absolute-Literals-Directive" rel="next" title="Absolute Literals Directive">

  29. <link href="Literal-Position-Directive.html#Literal-Position-Directive" rel="prev" title="Literal Position Directive">

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  57. 

  58. 

  59. </head>

  60. 

  61. <body lang="en">

  62. <a name="Literal-Prefix-Directive"></a>

  63. <div class="header">

  64. <p>

  65. Next: <a href="Absolute-Literals-Directive.html#Absolute-Literals-Directive" accesskey="n" rel="next">Absolute Literals Directive</a>, Previous: <a href="Literal-Position-Directive.html#Literal-Position-Directive" accesskey="p" rel="prev">Literal Position Directive</a>, Up: <a href="Xtensa-Directives.html#Xtensa-Directives" accesskey="u" rel="up">Xtensa Directives</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="AS-Index.html#AS-Index" title="Index" rel="index">Index</a>]</p>

  66. </div>

  67. <hr>

  68. <a name="literal_005fprefix"></a>

  69. <h4 class="subsubsection">9.55.5.6 literal_prefix</h4>

  70. <a name="index-literal_005fprefix-directive"></a>

  71. 

  72. <p>The <code>literal_prefix</code> directive allows you to override the default

  73. literal section names, which are derived from the names of the sections

  74. where the literals are defined.

  75. </p>

  76. <div class="smallexample">

  77. <pre class="smallexample">    .begin literal_prefix [<var>name</var>]

  78.     .end literal_prefix

  79. </pre></div>

  80. 

  81. <p>For literals defined within the delimited region, the literal section

  82. names are derived from the <var>name</var> argument instead of the name of

  83. the current section.  The rules used to derive the literal section names

  84. do not change.  See <a href="Literal-Directive.html#Literal-Directive">literal</a>.  If the <var>name</var>

  85. argument is omitted, the literal sections revert to the defaults.  This

  86. directive has no effect when using the

  87. &lsquo;<samp>--text-section-literals</samp>&rsquo; option (see <a href="Xtensa-Options.html#Xtensa-Options">Command-line Options</a>).

  88. </p>

  89. 

  90. 

  91. 

  92. </body>

  93. </html>