183 lines
7.2 KiB
HTML
183 lines
7.2 KiB
HTML
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<head>
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<title>Debugging with GDB: Other Misc Settings</title>
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Controlling-GDB.html#Controlling-GDB" rel="up" title="Controlling GDB">
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<link href="Extending-GDB.html#Extending-GDB" rel="next" title="Extending GDB">
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="Other-Misc-Settings"></a>
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<div class="header">
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<p>
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Previous: <a href="Debugging-Output.html#Debugging-Output" accesskey="p" rel="previous">Debugging Output</a>, Up: <a href="Controlling-GDB.html#Controlling-GDB" accesskey="u" rel="up">Controlling GDB</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>
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</div>
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<hr>
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<a name="Other-Miscellaneous-Settings"></a>
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<h3 class="section">22.11 Other Miscellaneous Settings</h3>
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<a name="index-miscellaneous-settings"></a>
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<dl compact="compact">
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<dd><a name="index-set-interactive_002dmode"></a>
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</dd>
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<dt><code>set interactive-mode</code></dt>
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<dd><p>If <code>on</code>, forces <small>GDB</small> to assume that GDB was started
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in a terminal. In practice, this means that <small>GDB</small> should wait
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for the user to answer queries generated by commands entered at
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the command prompt. If <code>off</code>, forces <small>GDB</small> to operate
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in the opposite mode, and it uses the default answers to all queries.
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If <code>auto</code> (the default), <small>GDB</small> tries to determine whether
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its standard input is a terminal, and works in interactive-mode if it
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is, non-interactively otherwise.
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</p>
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<p>In the vast majority of cases, the debugger should be able to guess
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correctly which mode should be used. But this setting can be useful
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in certain specific cases, such as running a MinGW <small>GDB</small>
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inside a cygwin window.
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</p>
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<a name="index-show-interactive_002dmode"></a>
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</dd>
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<dt><code>show interactive-mode</code></dt>
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<dd><p>Displays whether the debugger is operating in interactive mode or not.
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</p></dd>
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</dl>
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<dl compact="compact">
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<dd><a name="index-set-suppress_002dcli_002dnotifications"></a>
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</dd>
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<dt><code>set suppress-cli-notifications</code></dt>
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<dd><p>If <code>on</code>, command-line-interface (CLI) notifications that are
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printed by <small>GDB</small> are suppressed. If <code>off</code>, the
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notifications are printed as usual. The default value is <code>off</code>.
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CLI notifications occur when you change the selected context or when
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the program being debugged stops, as detailed below.
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</p>
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<dl compact="compact">
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<dt><em>User-selected context changes:</em></dt>
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<dd><p>When you change the selected context (i.e. the current inferior,
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thread and/or the frame), <small>GDB</small> prints information about the
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new context. For example, the default behavior is below:
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</p>
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<div class="smallexample">
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<pre class="smallexample">(gdb) inferior 1
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[Switching to inferior 1 [process 634] (/tmp/test)]
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[Switching to thread 1 (process 634)]
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#0 main () at test.c:3
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3 return 0;
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(gdb)
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</pre></div>
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<p>When the notifications are suppressed, the new context is not printed:
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</p>
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<div class="smallexample">
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<pre class="smallexample">(gdb) set suppress-cli-notifications on
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(gdb) inferior 1
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(gdb)
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</pre></div>
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</dd>
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<dt><em>The program being debugged stops:</em></dt>
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<dd><p>When the program you are debugging stops (e.g. because of hitting a
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breakpoint, completing source-stepping, an interrupt, etc.),
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<small>GDB</small> prints information about the stop event. For example,
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below is a breakpoint hit:
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</p>
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<div class="smallexample">
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<pre class="smallexample">(gdb) break test.c:3
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Breakpoint 2 at 0x555555555155: file test.c, line 3.
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(gdb) continue
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Continuing.
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Breakpoint 2, main () at test.c:3
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3 return 0;
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(gdb)
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</pre></div>
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<p>When the notifications are suppressed, the output becomes:
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</p>
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<div class="smallexample">
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<pre class="smallexample">(gdb) break test.c:3
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Breakpoint 2 at 0x555555555155: file test.c, line 3.
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(gdb) set suppress-cli-notifications on
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(gdb) continue
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Continuing.
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(gdb)
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</pre></div>
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<p>Suppressing CLI notifications may be useful in scripts to obtain a
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reduced output from a list of commands.
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</p></dd>
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</dl>
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<a name="index-show-suppress_002dcli_002dnotifications"></a>
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</dd>
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<dt><code>show suppress-cli-notifications</code></dt>
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<dd><p>Displays whether printing CLI notifications is suppressed or not.
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</p></dd>
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</dl>
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<hr>
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<div class="header">
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<p>
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Previous: <a href="Debugging-Output.html#Debugging-Output" accesskey="p" rel="previous">Debugging Output</a>, Up: <a href="Controlling-GDB.html#Controlling-GDB" accesskey="u" rel="up">Controlling GDB</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>
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