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| author | johannst <johannst@users.noreply.github.com> | 2024-03-28 18:31:33 +0000 |
|---|---|---|
| committer | johannst <johannst@users.noreply.github.com> | 2024-03-28 18:31:33 +0000 |
| commit | 09fbbdde83fa792aa98eee0377971a9c5a7b8be5 (patch) | |
| tree | 8ffcb846477fbe2535b2741d5f2c55ee08d42b17 /tools/gdb.html | |
| parent | da792f6afb36c4a03f51e618b64e6bd5e27fb3fd (diff) | |
| download | notes-09fbbdde83fa792aa98eee0377971a9c5a7b8be5.tar.gz notes-09fbbdde83fa792aa98eee0377971a9c5a7b8be5.zip | |
deploy: d5772f62300453d98ad0cfa8334efe0b62a7d157
Diffstat (limited to 'tools/gdb.html')
| -rw-r--r-- | tools/gdb.html | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/gdb.html b/tools/gdb.html index c8e3f09..80e38dd 100644 --- a/tools/gdb.html +++ b/tools/gdb.html @@ -341,6 +341,14 @@ thread name <name> inferior <id> Switch to inferior with <id>. </code></pre> +<h2 id="shell-commands"><a class="header" href="#shell-commands">Shell commands</a></h2> +<pre><code class="language-markdown"> shell <shell_cmd> + Run the shell_cmd and print the output, can also contain a pipeline. + + pipe <gdb_cmd> | <shell_cmd> + Evaluate the gdb_cmd and run the shell_cmd which receives the output + of the gdb_cmd via stdin. +</code></pre> <h2 id="source-file-locations"><a class="header" href="#source-file-locations">Source file locations</a></h2> <pre><code class="language-markdown"> dir <path> Add <path> to the beginning of the searh path for source files. @@ -381,7 +389,14 @@ thread name <name> set logging redirect <on/off> on: only log to file. off: log to file and tty. + + set logging overwrite <on/off> + on: Truncate log file on each run. + off: Append to logfile (default). </code></pre> +<blockquote> +<p>Logging options should be configured before logging is turned on.</p> +</blockquote> <h1 id="text-user-interface-tui"><a class="header" href="#text-user-interface-tui">Text user interface (TUI)</a></h1> <pre><code class="language-markdown"> C-x a Toggle UI. C-l Redraw UI (curses UI can be messed up after the debugee prints to @@ -558,6 +573,21 @@ New value = 3 set (s=0x7fffffffe594, v=3) at test.c:5 5 } </code></pre> +<h2 id="shell-commands-1"><a class="header" href="#shell-commands-1">Shell commands</a></h2> +<pre><code class="language-markdown"># Run shell commands. + +(gdb) shell zcat /proc/config.gz | grep CONFIG_KVM= +CONFIG_KVM=m + +# Pipe gdb command to shell command. + +(gdb) pipe info proc mapping | grep libc + 0x7ffff7a1a000 0x7ffff7a42000 0x28000 0x0 r--p /usr/lib/libc.so.6 + 0x7ffff7a42000 0x7ffff7b9d000 0x15b000 0x28000 r-xp /usr/lib/libc.so.6 + 0x7ffff7b9d000 0x7ffff7bf2000 0x55000 0x183000 r--p /usr/lib/libc.so.6 + 0x7ffff7bf2000 0x7ffff7bf6000 0x4000 0x1d7000 r--p /usr/lib/libc.so.6 + 0x7ffff7bf6000 0x7ffff7bf8000 0x2000 0x1db000 rw-p /usr/lib/libc.so.6 +</code></pre> <h1 id="know-bugs"><a class="header" href="#know-bugs">Know Bugs</a></h1> <h2 id="workaround-command--finish-bug"><a class="header" href="#workaround-command--finish-bug">Workaround <code>command + finish</code> bug</a></h2> <p>When using <code>finish</code> inside a <code>command</code> block, commands after <code>finish</code> are not |