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Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includ
From: |
Richard Stallman |
Subject: |
Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH] |
Date: |
Fri, 28 Jan 2005 23:17:11 -0500 |
> Stefan's Jan 27, 2005 xterm.c patch does not allow a breakpoint on
> x_error_quitter when compiled with gcc-3.4.2
> $ nm xterm.o | grep quitter
> 0000c530 t x_io_error_quitter
So, just putting the function definition after tyhe function call is not
enough to prevent inlining. Too bad.
> whereas Gary Lawrence Murphy's patch
(http://lists.gnu.org/archive/html/emacs-pretest-bug/2005-01/msg00425.html)
does:
> gcc-3.4.2:
> $ nm xterm.o | grep quitter
> 0000c900 T x_error_quitter
> 0000c5f0 t x_io_error_quitter
This shows the function was not discarded. If it is not static, it
cannot be discarded. But this does not tell us if the function was
actually inlined. It might have been inlined *and* compiled straight.
The only way to tell if it was inlined is to look at the compiled code
of x_error_handler and see if it calls x_error_quitter.
You could do that by using x/i in GDB. First do `x/i &x_error_handler'.
Then x/10i will print 10 more instructions, each time you do it.
Andrew, could you try that?
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], (continued)
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Andrew M. Scott, 2005/01/27
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Eli Zaretskii, 2005/01/28
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Andrew M. Scott, 2005/01/28
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Stefan Monnier, 2005/01/28
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Miles Bader, 2005/01/28
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Richard Stallman, 2005/01/29
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Stefan Monnier, 2005/01/29
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Miles Bader, 2005/01/29
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Richard Stallman, 2005/01/30
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Miles Bader, 2005/01/30
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH],
Richard Stallman <=
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Andrew M. Scott, 2005/01/31
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined' [includes PATCH], Richard Stallman, 2005/01/28
- Re: gdb emacs reporting 'Function "x_error_quitter" not defined', Kim F. Storm, 2005/01/26
Re: gdb emacs reporting 'Function "x_error_quitter" not defined', Nick Roberts, 2005/01/28