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Re: gdb crashes
Elias Athanasopoulos <eathan@otenet.gr> writes:
> Hi Andrew,
>
> On Thu, Nov 07, 2002 at 06:57:20PM -0500, Andrew Cagney wrote:
> > > #0 0x0804832e in bar ()
> > > warning: (Internal error: pc 0x804832e in read in psymtab, but not in symtab.)
> > > Segmentation fault (core dumped)
> > >
> > > By inspecting the core, the crash seems to be here:
> > >
> > > #0 end_symtab (end_addr=134513448, objfile=0x840de00, section=11)
> > > at buildsym.c:964
> > > 964 linetablesize = sizeof (struct linetable) +
> > > (gdb)
> >
> > Not sure about the warnings (guess, does your linker match gcc?), but
> > the segmentation fault is definitly a GDB bug. It's reader should be
> > robust enough to survive any garbage feed to it :-)
>
> I used binutils and gcc from cvs. But there is a change I linked gdb
> with a readline compiled with gcc-2.96. I'll repeat all the process during
> the weekend.
>
> Elias
I'm not able to reproduce this at the moment:
zenia:elias$ cat foo.c
int main (void) { bar (); return 1; }
zenia:elias$ cat bar.c
int bar (void) { int i; i = 42; return 1;}
zenia:elias$ gcc foo.c bar.c -gdwarf-2 -o foo
zenia:elias$ $D6/gdb/gdb foo
GNU gdb 2002-11-08-cvs
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...
(gdb) break bar
Breakpoint 1 at 0x804832a: file bar.c, line 1.
(gdb) run
Starting program: /home/jimb/gdb/bugs/elias/foo
Breakpoint 1, bar () at bar.c:1
1 int bar (void) { int i; i = 42; return 1;}
(gdb)