Re: [PATCH+7.10.1] PR remote/18965: vforkdone stop reply should indicate parent PID

[Pedro Alves <palves@redhat.com>]

On 09/15/2015 05:28 PM, Eli Zaretskii wrote:
>> Date: Tue, 15 Sep 2015 17:20:16 +0100
>> From: Pedro Alves <palves@redhat.com>
>> CC: GDB Patches <gdb-patches@sourceware.org>,
>>         "Breazeal, Don" <donb@codesourcery.com>
>>
>> Hi Eli,
>>
>> Are the doc bits OK?
> 
> Yes, thanks.

Thanks Eli.  However, I realized the docs change was plain wrong.
I've reverted it now, with the patch below.  Sorry about that.

Thanks,
Pedro Alves

From e68fa6f07666ec4726cfef59f641a81244cc2e00 Mon Sep 17 00:00:00 2001
From: Pedro Alves <palves@redhat.com>
Date: Tue, 15 Sep 2015 19:29:37 +0100
Subject: [PATCH] gdb/doc: revert previous vforkdone change

The previous manual change was wrong.  The vfork parent thread ID
should be reported with the usual "thread" magic register:

   Sending packet: $vCont;c:p7260.7260#1e...Packet received: OK
 -   Notification received: Stop:T05vforkdone:;
 +   Notification received: Stop:T05vforkdone:;thread:p7260.7260
                                               ^^^^^^^^^^^^^^^^^

This is already how the parent is reported in the vfork/fork events,
and is actually what the fix made gdbserver do.  Following the
documentation change, the event would have been reported like this
instead:

    Notification received: Stop:T05vforkdone:p7260.7260

gdb/doc/ChangeLog:
2015-09-15  Pedro Alves  <palves@redhat.com>

	PR remote/18965
	* gdb.texinfo (Stop Reply Packets): Revert previous change to
	the vforkdone description.
---
 gdb/doc/ChangeLog   |  6 ++++++
 gdb/doc/gdb.texinfo | 11 +++++------
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 2cc6039..1e16e92 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,6 +1,12 @@
 2015-09-15  Pedro Alves  <palves@redhat.com>
 
 	PR remote/18965
+	* gdb.texinfo (Stop Reply Packets): Revert previous change to
+	the vforkdone description.
+
+2015-09-15  Pedro Alves  <palves@redhat.com>
+
+	PR remote/18965
 	* gdb.texinfo (Stop Reply Packets): Explain that vforkdone's 'r'
 	part indicates the thread ID of the parent process.
 
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index e80e695..4ecdb8f 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -35498,12 +35498,11 @@ indicating support.
 
 @cindex vforkdone events, remote reply
 @item vforkdone
-The packet indicates that a child process created by a vfork has
-either called @code{exec} or terminated, so that the address spaces of
-the parent and child process are no longer shared.  The @var{r} part
-is the thread ID of the parent process.  Refer to @ref{thread-id
-syntax} for the format of the @var{thread-id} field.  This packet is
-only applicable to targets that support vforkdone events.
+The packet indicates that a child process created by a vfork
+has either called @code{exec} or terminated, so that the
+address spaces of the parent and child process are no longer
+shared. The @var{r} part is ignored.  This packet is only
+applicable to targets that support vforkdone events.
 
 This packet should not be sent by default; older @value{GDBN} versions
 did not support it.  @value{GDBN} requests it, by supplying an
-- 
1.9.3