Start the debugger
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gdb | Start gdb |
gdb [program] | Debug program |
gdb --args [program] [argument(s)] | Debug program with argument |
gdb [program] [pid] | Debug program and attach to process |
gdb [program] [core] | Debug coredump core produced by program |
Executing program
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run [arglist] | Start program |
kill | Kill running program |
TUI
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tui [enable/disable] | Switch tui on and off |
C-l | Clear screen |
Execution Control
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continue [count] | c [count] | Continue running |
step [count] | s [count] | Execute until another line reached |
next [count] | n [count] | Execute next line, including any function calls |
jump [line] | | Resume execution at specified line number |
Info
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backtrace [n] bt [n] | Print trace of all frames in stack; or of n frames |
print [expr] | Show value of expr |
Breakpoints & Watchpoints
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break b | Set breakpoint at next instruction |
break [file:][line] | Set breakpoint at line number in file |
break [file:][func] | Set breakpoint at func in file |
| ~break [+/-offset] | Set break at offset lines from current stop |
watch [expr] | Set a watchpoint for expression |
catch [event] | Break at event: catch, throw, exec, fork, vfork, load or unload |
clear | Delete breakpoints at next instruction |
delete [n] | Delete breakpoints; or breakpoint n |