From: "Ulrich Weigand" <uweigand@de.ibm.com>
To: arnez@linux.vnet.ibm.com (Andreas Arnez)
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH v3 2/3] gdbserver: Prevent stale/random values in register cache
Date: Wed, 10 Dec 2014 19:14:00 -0000 [thread overview]
Message-ID: <201412101913.sBAJDpc9007580@d03av02.boulder.ibm.com> (raw)
In-Reply-To: <1418133563-16378-3-git-send-email-arnez@linux.vnet.ibm.com> from "Andreas Arnez" at Dec 09, 2014 02:59:22 PM
Andreas Arnez wrote:
> @@ -52,6 +52,11 @@ get_thread_regcache (struct thread_info *thread, int fetch)
> struct thread_info *saved_thread = current_thread;
>
> current_thread = thread;
> +#ifndef IN_PROCESS_AGENT
> + /* Invalidate all registers, to prevent stale left-overs. */
> + memset (regcache->register_status, REG_UNAVAILABLE,
> + regcache->tdesc->num_registers);
> +#endif
> fetch_inferior_registers (regcache, -1);
> current_thread = saved_thread;
> regcache->registers_valid = 1;
The whole get_thread_regcache routine is already under #ifndef IN_PROCESS_AGENT,
so the ifdef seems redundant here.
Bye,
Ulrich
--
Dr. Ulrich Weigand
GNU/Linux compilers and toolchain
Ulrich.Weigand@de.ibm.com
next prev parent reply other threads:[~2014-12-10 19:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-09 13:59 [PATCH v3 0/3] gdbserver: Fix support for S390 TDB Andreas Arnez
2014-12-09 13:59 ` [PATCH v3 2/3] gdbserver: Prevent stale/random values in register cache Andreas Arnez
2014-12-10 19:14 ` Ulrich Weigand [this message]
2014-12-11 17:05 ` Andreas Arnez
2014-12-09 13:59 ` [PATCH v3 1/3] gdbserver: Rephrase loops in regsets_fetch/store_inferior_registers Andreas Arnez
2014-12-09 13:59 ` [PATCH v3 3/3] S390: Fix gdbserver support for TDB Andreas Arnez
2014-12-10 19:16 ` Ulrich Weigand
2014-12-11 17:04 ` Andreas Arnez
2014-12-11 20:16 ` Ulrich Weigand
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