You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

3 yıl önce
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  2. <html>
  3. <!-- Copyright (C) 1988-2020 Free Software Foundation, Inc.
  4. Permission is granted to copy, distribute and/or modify this document
  5. under the terms of the GNU Free Documentation License, Version 1.3 or
  6. any later version published by the Free Software Foundation; with the
  7. Invariant Sections being "Free Software" and "Free Software Needs
  8. Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
  9. and with the Back-Cover Texts as in (a) below.
  10. (a) The FSF's Back-Cover Text is: "You are free to copy and modify
  11. this GNU Manual. Buying copies from GNU Press supports the FSF in
  12. developing GNU and promoting software freedom." -->
  13. <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
  14. <head>
  15. <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  16. <title>Go (Debugging with GDB)</title>
  17. <meta name="description" content="Go (Debugging with GDB)">
  18. <meta name="keywords" content="Go (Debugging with GDB)">
  19. <meta name="resource-type" content="document">
  20. <meta name="distribution" content="global">
  21. <meta name="Generator" content="makeinfo">
  22. <link href="index.html#Top" rel="start" title="Top">
  23. <link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
  24. <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
  25. <link href="Supported-Languages.html#Supported-Languages" rel="up" title="Supported Languages">
  26. <link href="Objective_002dC.html#Objective_002dC" rel="next" title="Objective-C">
  27. <link href="D.html#D" rel="prev" title="D">
  28. <style type="text/css">
  29. <!--
  30. a.summary-letter {text-decoration: none}
  31. blockquote.indentedblock {margin-right: 0em}
  32. blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
  33. blockquote.smallquotation {font-size: smaller}
  34. div.display {margin-left: 3.2em}
  35. div.example {margin-left: 3.2em}
  36. div.lisp {margin-left: 3.2em}
  37. div.smalldisplay {margin-left: 3.2em}
  38. div.smallexample {margin-left: 3.2em}
  39. div.smalllisp {margin-left: 3.2em}
  40. kbd {font-style: oblique}
  41. pre.display {font-family: inherit}
  42. pre.format {font-family: inherit}
  43. pre.menu-comment {font-family: serif}
  44. pre.menu-preformatted {font-family: serif}
  45. pre.smalldisplay {font-family: inherit; font-size: smaller}
  46. pre.smallexample {font-size: smaller}
  47. pre.smallformat {font-family: inherit; font-size: smaller}
  48. pre.smalllisp {font-size: smaller}
  49. span.nolinebreak {white-space: nowrap}
  50. span.roman {font-family: initial; font-weight: normal}
  51. span.sansserif {font-family: sans-serif; font-weight: normal}
  52. ul.no-bullet {list-style: none}
  53. -->
  54. </style>
  55. </head>
  56. <body lang="en">
  57. <a name="Go"></a>
  58. <div class="header">
  59. <p>
  60. Next: <a href="Objective_002dC.html#Objective_002dC" accesskey="n" rel="next">Objective-C</a>, Previous: <a href="D.html#D" accesskey="p" rel="prev">D</a>, Up: <a href="Supported-Languages.html#Supported-Languages" accesskey="u" rel="up">Supported Languages</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>
  61. </div>
  62. <hr>
  63. <a name="Go-1"></a>
  64. <h4 class="subsection">15.4.3 Go</h4>
  65. <a name="index-Go-_0028programming-language_0029"></a>
  66. <p><small>GDB</small> can be used to debug programs written in Go and compiled with
  67. <samp>gccgo</samp> or <samp>6g</samp> compilers.
  68. </p>
  69. <p>Here is a summary of the Go-specific features and restrictions:
  70. </p>
  71. <dl compact="compact">
  72. <dd><a name="index-current-Go-package"></a>
  73. </dd>
  74. <dt><code>The current Go package</code></dt>
  75. <dd><p>The name of the current package does not need to be specified when
  76. specifying global variables and functions.
  77. </p>
  78. <p>For example, given the program:
  79. </p>
  80. <div class="example">
  81. <pre class="example">package main
  82. var myglob = &quot;Shall we?&quot;
  83. func main () {
  84. // ...
  85. }
  86. </pre></div>
  87. <p>When stopped inside <code>main</code> either of these work:
  88. </p>
  89. <div class="example">
  90. <pre class="example">(gdb) p myglob
  91. (gdb) p main.myglob
  92. </pre></div>
  93. <a name="index-builtin-Go-types"></a>
  94. </dd>
  95. <dt><code>Builtin Go types</code></dt>
  96. <dd><p>The <code>string</code> type is recognized by <small>GDB</small> and is printed
  97. as a string.
  98. </p>
  99. <a name="index-builtin-Go-functions"></a>
  100. </dd>
  101. <dt><code>Builtin Go functions</code></dt>
  102. <dd><p>The <small>GDB</small> expression parser recognizes the <code>unsafe.Sizeof</code>
  103. function and handles it internally.
  104. </p>
  105. <a name="index-restrictions-on-Go-expressions"></a>
  106. </dd>
  107. <dt><code>Restrictions on Go expressions</code></dt>
  108. <dd><p>All Go operators are supported except <code>&amp;^</code>.
  109. The Go <code>_</code> &ldquo;blank identifier&rdquo; is not supported.
  110. Automatic dereferencing of pointers is not supported.
  111. </p></dd>
  112. </dl>
  113. </body>
  114. </html>