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Re: [PATCH 0/2] GDB process record and reverse debugging improvements for arm*-linux*


On Fri 08 Nov 2013 01:18:45 PM PKT, oza Pawandeep wrote:
Hi,

The previous support for arm instruction and thumb instruction for
record and reply was added by me.
but there some reverse test case failing...
I had issues with employer disclaimer, so could not proceed.
I have got the disclaimer now and is up-to date with FSF.

some of the queries to you regarding thumb2 support ?

1) did you bring in co processor and dsp instruction support for thumb2 ?

2) can you please run gdb-rever test suite and see if your code passes
the same ?


Regards,
Oza.


On Fri, Nov 8, 2013 at 12:55 PM, Eli Zaretskii <eliz@gnu.org> wrote:

Date: Fri, 08 Nov 2013 08:18:35 +0500
From: Omair Javaid <omair.javaid@linaro.org>
CC: gdb-patches@sourceware.org, Patch Tracking <patches@linaro.org>

--- gdb/NEWS  11 Oct 2013 13:51:26 -0000      1.622
+++ gdb/NEWS  7 Nov 2013 23:58:26 -0000
@@ -3,6 +3,10 @@

This part is OK, but please make sure to have 2 spaces between
sentences

+* Improved support of process record-replay and reverse debugging on
+  arm*-linux* targets. Support for thumb32 and syscall instructions
                         ^^
here.

Thanks.


Hello Oza,

I really appreciate your work on arm process record and I am trying to improve on the work you have done previously. I have sent 3 patches upstream which include basic support for Thumb32 instructions and system call instructions along with some fixes.

There were around 1500 failures in gdb.reverse on arm that have been significantly reduced. Here is a current status of gdb.reverse test suite on arm targets:

arm-native configuration:
# of expected passes		2253
# of unexpected failures	71

arm-remote configuration:
# of expected passes		2142
# of unexpected failures	122

I am currently working on patches to fix above unexpected failures and also working on supporting co-processor and other unsupported instruction types.

--
Omair.


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