Gdb
From Attie's Wiki
(Difference between revisions)
m |
m |
||
| Line 29: | Line 29: | ||
! - !! - | ! - !! - | ||
|- | |- | ||
| − | | <code>x ''<address>''</code> || examine memory | + | | <code>x/x ''<address>''</code> || examine memory |
|- | |- | ||
| − | | <code>x ''<variable>''</code> || dump variable contents | + | | <code>x/x ''<variable>''</code> || dump variable contents |
|- | |- | ||
| − | | <code>x/ | + | | <code>x/128xb ''<variable>''</code> || dump variable contents, 128 bytes (<code>b</code> byte / <code>h</code> halfword / <code>w</code> word / <code>g</code> giant, 8-bytes ) |
|- | |- | ||
| <code>x/s ''<variable>''</code> || dump variable contents, as a nul-terminated string | | <code>x/s ''<variable>''</code> || dump variable contents, as a nul-terminated string | ||
| + | |- | ||
| + | | <code>x/32i ''<variable>''</code> || dump variable contents, as 32 machine instructions | ||
|} | |} | ||
Revision as of 11:52, 29 September 2014
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 |
| - | - |
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 |
