Make "j" an alias of "jump" [was: Re: "j" is now an ambiguous command]

Sergio Durigan Junior
2012-09-18T19:44:07Z

On Saturday, September 15 2012, Jan Engelhardt wrote:

> Between gdb-7.3 and 7.4.50.20120603, gdb has gained the two commands
> "jit-reader-load" and "jit-reader-unload".
> This causes "j", previously used as a shortcut for "jump", to have
> become ambiguous. I would ask for "j" to be recognized again, similar to
> how "b" is synonymous with "break" despite the presence of other b*
> commands.
>
> (gdb) j 1762
> Ambiguous command "j 1762": jit-reader-load, jit-reader-unload, jump.

Thanks for the report. I agree that "jump" is a command more used than
the "jit*" commands.

The following patch fixes the issue.

Ok to apply?

--
Sergio

gdb/ChangeLog:
2012-09-18 Sergio Durigan Junior <sergiodj@redhat.com>

* infcmd.c (_initialize_infcmd): Register `j' as an alias for
`jump'.

gdb/doc/ChangeLog:
2012-09-18 Sergio Durigan Junior <sergiodj@redhat.com>

* gdb.texinfo (jump): Mention new alias `j' for `jump'.

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index cd4513b..ddcbbad 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -15495,8 +15495,11 @@ an address of your own choosing, with the following commands:

@table @code
@kindex jump
+@kindex j @r{(@code{jump})}
@item jump @var{linespec}
+@itemx j @var{linespec}
@itemx jump @var{location}
+@itemx j @var{location}
Resume execution at line @var{linespec} or at address given by
@var{location}. Execution stops again immediately if there is a
breakpoint there. @xref{Specify Location}, for a description of the
diff --git a/gdb/infcmd.c b/gdb/infcmd.c
index cce624e..fd035df 100644
--- a/gdb/infcmd.c
+++ b/gdb/infcmd.c
@@ -3104,6 +3104,7 @@ Usage: jump <location>\n\
Give as argument either LINENUM or *ADDR, where ADDR is an expression\n\
for an address to start at."));
set_cmd_completer (c, location_completer);
+ add_com_alias ("j", "jump", class_run, 1);

if (xdb_commands)
{