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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>

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  9. Free Documentation", with the Front-Cover Texts being "A GNU Manual,"

  10. and with the Back-Cover Texts as in (a) below.

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  16. <head>

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

  18. <title>M68K Features (Debugging with GDB)</title>

  19. 

  20. <meta name="description" content="M68K Features (Debugging with GDB)">

  21. <meta name="keywords" content="M68K Features (Debugging with GDB)">

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  26. <link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">

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

  28. <link href="Standard-Target-Features.html#Standard-Target-Features" rel="up" title="Standard Target Features">

  29. <link href="NDS32-Features.html#NDS32-Features" rel="next" title="NDS32 Features">

  30. <link href="MIPS-Features.html#MIPS-Features" rel="prev" title="MIPS Features">

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  61. 

  62. <body lang="en">

  63. <a name="M68K-Features"></a>

  64. <div class="header">

  65. <p>

  66. Next: <a href="NDS32-Features.html#NDS32-Features" accesskey="n" rel="next">NDS32 Features</a>, Previous: <a href="MIPS-Features.html#MIPS-Features" accesskey="p" rel="prev">MIPS Features</a>, Up: <a href="Standard-Target-Features.html#Standard-Target-Features" accesskey="u" rel="up">Standard Target Features</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>

  67. </div>

  68. <hr>

  69. <a name="M68K-Features-1"></a>

  70. <h4 class="subsection">G.5.7 M68K Features</h4>

  71. <a name="index-target-descriptions_002c-M68K-features"></a>

  72. 

  73. <dl compact="compact">

  74. <dt><code>&lsquo;<samp>org.gnu.gdb.m68k.core</samp>&rsquo;</code></dt>

  75. <dt><code>&lsquo;<samp>org.gnu.gdb.coldfire.core</samp>&rsquo;</code></dt>

  76. <dt><code>&lsquo;<samp>org.gnu.gdb.fido.core</samp>&rsquo;</code></dt>

  77. <dd><p>One of those features must be always present. 

  78. The feature that is present determines which flavor of m68k is

  79. used.  The feature that is present should contain registers

  80. &lsquo;<samp>d0</samp>&rsquo; through &lsquo;<samp>d7</samp>&rsquo;, &lsquo;<samp>a0</samp>&rsquo; through &lsquo;<samp>a5</samp>&rsquo;, &lsquo;<samp>fp</samp>&rsquo;,

  81. &lsquo;<samp>sp</samp>&rsquo;, &lsquo;<samp>ps</samp>&rsquo; and &lsquo;<samp>pc</samp>&rsquo;.

  82. </p>

  83. </dd>

  84. <dt><code>&lsquo;<samp>org.gnu.gdb.coldfire.fp</samp>&rsquo;</code></dt>

  85. <dd><p>This feature is optional.  If present, it should contain registers

  86. &lsquo;<samp>fp0</samp>&rsquo; through &lsquo;<samp>fp7</samp>&rsquo;, &lsquo;<samp>fpcontrol</samp>&rsquo;, &lsquo;<samp>fpstatus</samp>&rsquo; and

  87. &lsquo;<samp>fpiaddr</samp>&rsquo;.

  88. </p>

  89. <p>Note that, despite the fact that this feature&rsquo;s name says

  90. &lsquo;<samp>coldfire</samp>&rsquo;, it is used to describe any floating point registers.

  91. The size of the registers must match the main m68k flavor; so, for

  92. example, if the primary feature is reported as &lsquo;<samp>coldfire</samp>&rsquo;, then

  93. 64-bit floating point registers are required.

  94. </p></dd>

  95. </dl>

  96. 

  97. 

  98. 

  99. 

  100. </body>

  101. </html>