what is the "-ex" command option?
Mike Frysinger
vapier@gentoo.org
Sat Aug 11 15:59:00 GMT 2012
On Saturday 11 August 2012 03:33:26 Smith John wrote:
> when debugging using gdb , what is the use of "-ex" command
> option?
$ gdb --help | grep -e--eval-command -A 3
--eval-command=COMMAND, -ex
Execute a single GDB command.
May be used multiple times and in conjunction
with --command.
$ echo 'main(){}' | gcc -x c - -g -o a.out
$ gdb -ex 'break main' -ex run ./a.out
Reading symbols from /home/vapier/a.out...done.
Breakpoint 1 at 0x4004c8: file <stdin>, line 1.
Starting program: /home/vapier/a.out
Breakpoint 1, main () at <stdin>:1
1 <stdin>: No such file or directory.
(gdb)
-mike
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