[Bug breakpoints/9723] gdb core dumps on adding a breakpoint

["vaurora at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From vaurora at redhat dot com  2009-01-16 21:27 -------
I retried with this version:

GNU gdb (GDB) 6.8.50.20090108

It does not core dump, hurray!  But I'm still having trouble with breakpoints. 
For example:

[val@clunky src]$ sudo /usr/local/bin/gdb ./automount 
GNU gdb (GDB) 6.8.50.20090108
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
(gdb) break main
Breakpoint 1 at 0x8a90: file automount.c, line 1799.
(gdb) run
Starting program: /home/val/src/automount 
Error in re-setting breakpoint 1: Cannot access memory at address 0x8a90
Error in re-setting breakpoint 1: Cannot access memory at address 0x8a90
/home/val/src/automount: program is already running.

Program exited normally.
(gdb) 

(Ignore the "program is already running" line - it is output from automount
itself and is not correct since it's the bug I was debugging.)

On to the original breakpoint, that doesn't behave correctly either:

[restart gdb]
(gdb) break become_daemon
Function "become_daemon" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y

Breakpoint 1 (become_daemon) pending.
(gdb) run
Starting program: /home/val/src/automount 
/home/val/src/automount: program is already running.

Program exited normally.
(gdb)

First, become_daemon() is not part of a shared library.  Second, the breakpoint
isn't triggering - the "program is already running" check is part of the
become_daemon() function.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW


http://sourceware.org/bugzilla/show_bug.cgi?id=9723

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