[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#15051: 24.3; gdb -mi: breakpoint with in non-existent source file sp
From: |
Eli Zaretskii |
Subject: |
bug#15051: 24.3; gdb -mi: breakpoint with in non-existent source file spams terminal incessantly |
Date: |
Tue, 15 Dec 2020 19:21:54 +0200 |
> From: Lars Ingebrigtsen <larsi@gnus.org>
> Date: Sun, 06 Dec 2020 16:41:16 +0100
> Cc: 15051@debbugs.gnu.org
>
> Thanks for the clear recipe to reproduce this bug. It is still present
> in Emacs 28, but has changed, and is now even worse, I think.
>
> First of all:
>
> >
> > 6. Execute the following commands in gdb:
> > b bar
> > start
> > n
> > n
> > fin
> > n
> > n
> > n
> > quit
>
> After "b bar", Emacs says:
>
> File /tmp/"/tmp/bar.c" is read-only on disk. Make buffer read-only, too? (y
> or n) n
>
> Then, it's these, as you point out:
>
> (gdb) b bar
> Breakpoint 1 at 0x117e: file bar.c, line 1.
> (gdb) list bar.c:1
> 1 bar.c: No such file or directory.
> start
> Temporary breakpoint 2 at 0x1139: file foo.c, line 4.
> Starting program: /tmp/bug
>
> Temporary breakpoint 2, main () at foo.c:4
> 4 puts("Thinking about calling bar");;
> (gdb) list bar.c:1
> 1 bar.c: No such file or directory.
> n
> 5 puts("Planning to call bar");
> (gdb) list bar.c:1
> 1 bar.c: No such file or directory.
> n
> 6 puts("About to call bar");
> (gdb) list bar.c:1
> 1 bar.c: No such file or directory.
> n
> 7 bar();
>
> And then I got 20K copies of:
>
> list bar.c:1
> 1 in bar.c
> list bar.c:1
> 1 in bar.c
> list bar.c:1
> 1 in bar.c
> list bar.c:1
> 1 in bar.c
>
> which continued until I killed gdb.
>
> So this problem is still present in Emacs 28, but is now somewhat
> different.
I've now fixed this on the master branch.