Displays.html 3.8 KB

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  13. <title>Displays (GDB&rsquo;s Obsolete Annotations)</title>
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  44. <span id="Displays"></span><div class="header">
  45. <p>
  46. Next: <a href="Prompting.html" accesskey="n" rel="next">Prompting</a>, Previous: <a href="Frame-Annotations.html" accesskey="p" rel="prev">Frame Annotations</a>, Up: <a href="index.html" accesskey="u" rel="up">Top</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p>
  47. </div>
  48. <hr>
  49. <span id="Displays-1"></span><h2 class="chapter">7 Displays</h2>
  50. <p><em>Display Annotations have been removed. <small>GDB/MI</small> instead
  51. provides Variable Objects.</em>
  52. </p>
  53. <span id="index-display_002dbegin"></span>
  54. <span id="index-display_002dnumber_002dend"></span>
  55. <span id="index-display_002dformat"></span>
  56. <span id="index-display_002dexpression"></span>
  57. <span id="index-display_002dexpression_002dend"></span>
  58. <span id="index-display_002dvalue"></span>
  59. <span id="index-display_002dend"></span>
  60. <span id="index-annotations-for-display"></span>
  61. <p>When <small>GDB</small> is told to display something using the <code>display</code> command,
  62. the results of the display are annotated:
  63. </p>
  64. <div class="example">
  65. <pre class="example">^Z^Zdisplay-begin
  66. <var>number</var>
  67. ^Z^Zdisplay-number-end
  68. <var>number-separator</var>
  69. ^Z^Zdisplay-format
  70. <var>format</var>
  71. ^Z^Zdisplay-expression
  72. <var>expression</var>
  73. ^Z^Zdisplay-expression-end
  74. <var>expression-separator</var>
  75. ^Z^Zdisplay-value
  76. <var>value</var>
  77. ^Z^Zdisplay-end
  78. </pre></div>
  79. <p>where <var>number</var> is the number of the display, <var>number-separator</var>
  80. is intended to separate the number from what follows for the user,
  81. <var>format</var> includes information such as the size, format, or other
  82. information about how the value is being displayed, <var>expression</var> is
  83. the expression being displayed, <var>expression-separator</var> is intended
  84. to separate the expression from the text that follows for the user,
  85. and <var>value</var> is the actual value being displayed.
  86. </p>
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