Gdb

Revision as of 11:27, 16 June 2016

Useful GDB commands...

Command	Description
`bt` or `backtrace`	show a backtrace from the current location
`frame <frameno>`	move to a different stack frame
-	-
`info threads`	list of running threads
`thread <threadno>`	switch to a different thread
-	-
`info breakpoints`	list of breakpoints
`break <file>:<lineno>`	set a breakpoint
`step`	step into the current line
`next`	step over the current line
`fin`	step out
`cont`	continue execution
`del <number>`	delete a breakpoint (or multiple with `<number> <number>`)
-	-
`x/x <address>`	examine memory
`x/x <variable>`	dump variable contents
`x/128xb <variable>`	dump variable contents, 128 bytes (`b` byte / `h` halfword / `w` word / `g` giant, 8-bytes )
`x/s <variable>`	dump variable contents, as a nul-terminated string
`x/32i <variable>`	dump variable contents, as 32 machine instructions
-	-
`generate-core-file`	it's a secret...
`thread apply all bt`	print a `bt` for all active threads

@@ Line 44: / Line 44: @@
 |-
 | <code>generate-core-file</code> || it's a secret...
+|-
+| <code>thread apply all bt</code> || print a <code>bt</code> for all active threads
 |}