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bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23
From: |
Eli Zaretskii |
Subject: |
bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25 |
Date: |
Tue, 07 Jun 2016 21:54:58 +0300 |
> Date: Tue, 07 Jun 2016 20:15:34 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 23720@debbugs.gnu.org
>
> > ISSUE 3: STEPPING OUT DOESN'T PRINT RETURN VALUE
> > ================================================
> >
> > The program is in the stepped-in function, clicking "Step out" steps out
> > of it, but this doesn't print the returned value.
> > Emacs23 prints it ("Value returned is $1 = false").
>
> Looks like a missing feature in gdb-mi: the return value sent by MI is
> not processed.
Please try the patch below, I think it will fix this.
diff --git a/lisp/progmodes/gdb-mi.el b/lisp/progmodes/gdb-mi.el
index 5ad101d..195acaf 100644
--- a/lisp/progmodes/gdb-mi.el
+++ b/lisp/progmodes/gdb-mi.el
@@ -2488,7 +2488,9 @@ gdb-stopped
;; Reason is available with target-async only
(let* ((result (gdb-json-string output-field))
(reason (bindat-get-field result 'reason))
- (thread-id (bindat-get-field result 'thread-id)))
+ (thread-id (bindat-get-field result 'thread-id))
+ (retval (bindat-get-field result 'return-value))
+ (varnum (bindat-get-field result 'gdb-result-var)))
;; -data-list-register-names needs to be issued for any stopped
;; thread
@@ -2514,6 +2516,11 @@ gdb-stopped
(if (string-equal reason "exited-normally")
(setq gdb-active-process nil))
+ (when (and retval varnum)
+ (setq gdb-filter-output
+ (concat gdb-filter-output
+ (format "Value returned is %s = %s\n" varnum retval))))
+
;; Select new current thread.
;; Don't switch if we have no reasons selected
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Guilhem Bichot, 2016/06/07
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Eli Zaretskii, 2016/06/07
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25,
Eli Zaretskii <=
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Guilhem Bichot, 2016/06/09
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Eli Zaretskii, 2016/06/09
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Guilhem Bichot, 2016/06/09
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Eli Zaretskii, 2016/06/09
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Guilhem Bichot, 2016/06/09
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Eli Zaretskii, 2016/06/09
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Guilhem Bichot, 2016/06/10
- bug#23720: 25.0.94; Issues with GUD (gdb-mi) after upgrade from Emacs 23 to 24/25, Eli Zaretskii, 2016/06/10