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Re: [RFA] Avoid Cannot read 0x20000000 on cygwin GDB
- From: Elena Zannoni <ezannoni at redhat dot com>
- To: Pierre Muller <muller at cerbere dot u-strasbg dot fr>
- Cc: gdb-patches at sources dot redhat dot com
- Date: Mon, 15 Jul 2002 14:16:42 -0400
- Subject: Re: [RFA] Avoid Cannot read 0x20000000 on cygwin GDB
- References: <4.2.0.58.20020715160517.01b27c00@ics.u-strasbg.fr>
Pierre Muller writes:
> This has been discuss long ago,
> and I thought it was in CVS already for a long time,
> but apparently noone committed it.
>
> Back in september 200, I probably didn't dare to commit it myself,
> but my commit list grew quite a lot since that time!
>
> See http://sources.redhat.com/ml/gdb-patches/2000-09/msg00107.html
>
> If I get an second approval from
> any of the Blanket Write Privs (as blockframe.c
> does not seem to belong to some designated group),
> I will commit this ASAP.
>
> ChangeLog entry:
>
> 2000-09-12 Pierre Muller <muller@ics.u-strasbg.fr>
> * blockframe.c (get_pc_function_start): return 0 if the minimal symbol
> found is not inside a section.
>
Go ahead. Check it in. It was already approved, back in 2000.
Elena
>
>
> $ cvs diff -u -p blockframe.c
> Index: blockframe.c
> ===================================================================
> RCS file: /cvs/src/src/gdb/blockframe.c,v
> retrieving revision 1.32
> diff -u -p -r1.32 blockframe.c
> --- blockframe.c 2 Jul 2002 19:08:55 -0000 1.32
> +++ blockframe.c 15 Jul 2002 14:13:32 -0000
> @@ -632,6 +632,8 @@ get_pc_function_start (CORE_ADDR pc)
> else if ((msymbol = lookup_minimal_symbol_by_pc (pc)) != NULL)
> {
> fstart = SYMBOL_VALUE_ADDRESS (msymbol);
> + if (!find_pc_section (fstart))
> + return 0;
> }
> else
> {
>
>
>
> Pierre Muller
> Institut Charles Sadron
> 6,rue Boussingault
> F 67083 STRASBOURG CEDEX (France)
> mailto:muller@ics.u-strasbg.fr
> Phone : (33)-3-88-41-40-07 Fax : (33)-3-88-41-40-99