<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <!-- Copyright (C) 1988-2021 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with the Invariant Sections being "Free Software" and "Free Software Needs Free Documentation", with the Front-Cover Texts being "A GNU Manual," and with the Back-Cover Texts as in (a) below. (a) The FSF's Back-Cover Text is: "You are free to copy and modify this GNU Manual. Buying copies from GNU Press supports the FSF in developing GNU and promoting software freedom." --> <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ --> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Go (Debugging with GDB)</title> <meta name="description" content="Go (Debugging with GDB)"> <meta name="keywords" content="Go (Debugging with GDB)"> <meta name="resource-type" content="document"> <meta name="distribution" content="global"> <meta name="Generator" content="makeinfo"> <link href="index.html#Top" rel="start" title="Top"> <link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> <link href="Supported-Languages.html#Supported-Languages" rel="up" title="Supported Languages"> <link href="Objective_002dC.html#Objective_002dC" rel="next" title="Objective-C"> <link href="D.html#D" rel="prev" title="D"> <style type="text/css"> <!-- a.summary-letter {text-decoration: none} blockquote.indentedblock {margin-right: 0em} blockquote.smallindentedblock {margin-right: 0em; font-size: smaller} blockquote.smallquotation {font-size: smaller} div.display {margin-left: 3.2em} div.example {margin-left: 3.2em} div.lisp {margin-left: 3.2em} div.smalldisplay {margin-left: 3.2em} div.smallexample {margin-left: 3.2em} div.smalllisp {margin-left: 3.2em} kbd {font-style: oblique} pre.display {font-family: inherit} pre.format {font-family: inherit} pre.menu-comment {font-family: serif} pre.menu-preformatted {font-family: serif} pre.smalldisplay {font-family: inherit; font-size: smaller} pre.smallexample {font-size: smaller} pre.smallformat {font-family: inherit; font-size: smaller} pre.smalllisp {font-size: smaller} span.nolinebreak {white-space: nowrap} span.roman {font-family: initial; font-weight: normal} span.sansserif {font-family: sans-serif; font-weight: normal} ul.no-bullet {list-style: none} --> </style> </head> <body lang="en"> <a name="Go"></a> <div class="header"> <p> 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> [<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> </div> <hr> <a name="Go-1"></a> <h4 class="subsection">15.4.3 Go</h4> <a name="index-Go-_0028programming-language_0029"></a> <p><small>GDB</small> can be used to debug programs written in Go and compiled with <samp>gccgo</samp> or <samp>6g</samp> compilers. </p> <p>Here is a summary of the Go-specific features and restrictions: </p> <dl compact="compact"> <dd><a name="index-current-Go-package"></a> </dd> <dt><code>The current Go package</code></dt> <dd><p>The name of the current package does not need to be specified when specifying global variables and functions. </p> <p>For example, given the program: </p> <div class="example"> <pre class="example">package main var myglob = "Shall we?" func main () { // ... } </pre></div> <p>When stopped inside <code>main</code> either of these work: </p> <div class="example"> <pre class="example">(gdb) p myglob (gdb) p main.myglob </pre></div> <a name="index-builtin-Go-types"></a> </dd> <dt><code>Builtin Go types</code></dt> <dd><p>The <code>string</code> type is recognized by <small>GDB</small> and is printed as a string. </p> <a name="index-builtin-Go-functions"></a> </dd> <dt><code>Builtin Go functions</code></dt> <dd><p>The <small>GDB</small> expression parser recognizes the <code>unsafe.Sizeof</code> function and handles it internally. </p> <a name="index-restrictions-on-Go-expressions"></a> </dd> <dt><code>Restrictions on Go expressions</code></dt> <dd><p>All Go operators are supported except <code>&^</code>. The Go <code>_</code> “blank identifier” is not supported. Automatic dereferencing of pointers is not supported. </p></dd> </dl> </body> </html>