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Diffstat (limited to 'gdb.txt')
| -rw-r--r-- | gdb.txt | 82 |
1 files changed, 82 insertions, 0 deletions
@@ -0,0 +1,82 @@ +.:: GDB ::. +-------------------------------------------------------------------------------- + +# toc +------ + |gdb| + |opts| + |prompt| + |user-commands| + |hooks| + +# gdb(1) *gdb* +========= + gdb [opts] [exe [coredump | pid]] + gdb [opts] --args exe <exe-args> + opts: *opts* + -p <pid> attach to pid + -x <file> execute script <file> before prompt + -ex <cmd> execute command <cmd> before prompt + --tty <tty> set I/O tty for debugee (see *prompt* for details) + + + prompt: *prompt* + tty <tty> + set <tty> as tty for debugee. make sure nobody reads from target + tty, easiest is to spawn a shell and run + > while true; do sleep 1024; done + + set follow-fork-mode <child | parent> + specify which process to follow on fork(2) + + sharedlibrary [regex] + load symbols of shared lib, if regex then only symbols for matching + libs + + break <sym> thread <tnum> + set a breakpoint only on a specific thread + + rbreak <regex> + set breakpoints based on symbols matching regex + <regex> is internally expanded to .*<regex>.* + so 'rbreak foo' matches barfoobar() + + command [bp_list] + define commands to run after breakpoint hit + if bp_list not supplied attach command to last created bp + + bp_list: space separates list, eg 'command 2 5-8' + to run command for bp 2,5,6,7,8 + + info functions [regex] + list functions according to regex, if regex empty, list all + + info variables [regex] + list variables according to regex, if regex empty, list all + + + user commands: *user-commands* + define <cmd> defines user command <cmd> to be run + # cmds in prompt or script + end + + document <cmd> define documentation for cmd <cmd> + # docu + end + + help user-defined list user defined commands + help <cmd> list documentation for command <cmd> + + + hooks: *hooks* + define hook-<cmd> run commands defined in hook before + # cmds executing <cmd> + end + + define hookpost-<cmd> run commands defined in hookpost after + # cmds executing <cmd> + end + +-------------------------------------------------------------------------------- +vim:sts=2:et:tw=80:cc=80:fo+=t:ft=help + |