ezmlm warning

gdb-patches-help@sourceware.org gdb-patches-help@sourceware.org
Mon May 28 12:23:00 GMT 2018


Hi! This is the ezmlm program. I'm managing the
gdb-patches@sourceware.org mailing list.


Messages to you from the gdb-patches mailing list seem to
have been bouncing. I've attached a copy of the first bounce
message I received.

If this message bounces too, I will send you a probe. If the probe bounces,
I will remove your address from the gdb-patches mailing list,
without further notice.


I've kept a list of which messages from the gdb-patches mailing list have 
bounced from your address.

Copies of these messages may be in the archive.
To retrieve a set of messages 123-145 (a maximum of 100 per request),
send an empty message to:
   <gdb-patches-get.123_145@sourceware.org>

To receive a subject and author list for the last 100 or so messages,
send an empty message to:
   <gdb-patches-index@sourceware.org>

Here are the message numbers:

   147243
   147239
   147240
   147242

--- Enclosed is a copy of the bounce message I received.

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Subject: Re: [PATCH 2/8] [PowerPC] Consolidate wordsize getter between native and gdbserver
To: gdb-patches-return-147243-listarch-gdb-patches=sources.redhat.com@sourceware.org (Pedro Franco de Carvalho)
Date: Wed, 16 May 2018 15:55:38 +0200 (CEST)
From: "Ulrich Weigand" <uweigand@de.ibm.com>
In-Reply-To: <20180510195840.17734-3-pedromfc@linux.vnet.ibm.com> from "Pedro Franco de Carvalho" at May 10, 2018 04:58:34 PM
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Pedro Franco de Carvalho wrote:

> gdb/ChangeLog:
> yyyy-mm-dd  Pedro Franco de Carvalho  <pedromfc@linux.vnet.ibm.com>
> 
> 	* configure.nat <linux powerpc>: Add ppc-linux.o to NATDEPFILES.
> 	* ppc-linux-nat.c (ppc_linux_target_wordsize): Move to
> 	nat/ppc-linux.c.
> 	(ppc_linux_nat_target::auxv_parse): Get thread id tid. Call
> 	ppc_linux_target wordsize with tid.
> 	(ppc_linux_nat_target::read_description): Call ppc_linux_target
> 	wordsize with tid.
> 	* nat/ppc-linux.c: Include nat/gdb_ptrace.h.
> 	(ppc_linux_target_wordsize): Move here from ppc-linux-nat.c. Add
> 	tid parameter. Remove static specifier.
> 	* nat/ppc-linux.h (ppc_linux_target_wordsize): New declaration.
> 
> gdb/gdbserver/ChangeLog:
> yyyy-mm-dd  Pedro Franco de Carvalho  <pedromfc@linux.vnet.ibm.com>
> 
> 	* linux-ppc-low.c (ppc_arch_setup): Remove code for getting the
> 	wordsize of the inferior. Call ppc_linux_target_wordsize.


This is OK, but:

> +int
> +ppc_linux_target_wordsize (int tid)
> +{
> +  int wordsize = 4;
> +
> +  /* Check for 64-bit inferior process.  This is the case when the host is
> +     64-bit, and in addition the top bit of the MSR register is set.  */
> +#ifdef __powerpc64__
> +  long msr;
> +
> +  errno = 0;
> +  msr = (long) ptrace (PTRACE_PEEKUSER, tid, PT_MSR * 8, 0);
> +  if (errno == 0 && ppc64_64bit_inferior_p (msr))
> +    wordsize = 8;
> +#endif
> +
> +  return wordsize;
> +}

Can you verify whether the "ppc64_64bit_inferior_p" is now only used
in this file?  If so, it should probably be made static.

Bye,
Ulrich

-- 
  Dr. Ulrich Weigand
  GNU/Linux compilers and toolchain
  Ulrich.Weigand@de.ibm.com



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