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a=rsa-sha256; c=relaxed/relaxed; d=eagercon.com; s=dreamhost; t=1757510853; bh=gJEegkHOAMswxXi6+Rj/SOa30o2z1BShqpog1SWsLH0=; h=Date:Subject:To:Cc:From:Content-Type:Content-Transfer-Encoding; b=Cv3S8mKbIYlG/3Tn77BWdDamfRciVmPuWghDCHiW2ZMk/yHDqmjUw6NMn/A6WZC6X o1Qn/b4inWgvxp7WRwD2ABX5UPdbp05vEtnmcGVmLQW8Rk0nWMIL3loRbhAhYnlN89 /zu2lTkIQNhDJg9z4NgkPMOYu8E6K5UU9bm7txGVhKvTuHk6UkEo6G/00Jt4Xd3khI tFcnNKfMdrKjn3YGqsPSfwlRQoP55y6ksnYMt8VmV3mYYCw+AvOjYBdoN2jqrCYZng cw6YPq67+s7N6Y1naX1l0tFhTpyds/ZsetF3wUoAiWlbJU/InIv4vLv8dpZP8FUSyO bAukduU2TL3gA== Message-ID: <54494909-20ca-4b36-ae92-7defa0dbe961@eagercon.com> Date: Wed, 10 Sep 2025 06:27:32 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [pushed] MicroBlaze: Update software breakpoint machine code as per MicroBlaze ISA To: Gopi Kumar Bulusu , Michael Eager Cc: Simon Marchi , gdb-patches@sourceware.org References: <4dfa7e96-c4c6-4f7e-8c0f-52aa2c851905@simark.ca> <381d984b-4082-47f8-80d4-3338726c8cd9@eagercon.com> Content-Language: en-US From: Michael Eager In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org On 9/9/25 10:14 PM, Gopi Kumar Bulusu wrote: > > > On Tue, Sep 9, 2025 at 10:11 PM Gopi Kumar Bulusu > wrote: > > > > On Tue, Sep 9, 2025, 9:59 PM Michael Eager > wrote: > > On 9/9/25 9:05 AM, Gopi Kumar Bulusu wrote: > > > > > > On Tue, Sep 9, 2025, 9:04 PM Simon Marchi > > >> wrote: > > > >     On 9/9/25 11:31 AM, Simon Marchi wrote: > >      > On 9/9/25 3:16 AM, Gopi Kumar Bulusu wrote: > >      >> namaskaaram, > >      >> > >      >> The macro MICROBLAZE_BREAKPOINT is set to an > instruction opcode > >     that does not meet the criteria for software breakpoint > instruction > >     as set forth in the AMD MicroBlaze ISA. This patch > addresses the > >     problem. > >      >> > >      >> This simple patch concludes a series of patches that > add AMD > >     MicroBlaze gdbserver target support for GNU/Linux. > >      >> > >      >> Updated NEWS to include MicroBlaze gdbserver target. > >      >> > >      >> Build/Test - tested by building microblazeel-linux- > gdb and > >     verifying that software breakpoint works > >      >> using gdbserver as target. > >      >> > >      >> dhanyavaadaaha > >      >> gopi > >      >> > >      > > >      > Can you explain how the NEWS entry you add relates to > the code > >     change? > >      > > >      > Simon > > > >     It sounds like it is related to this patch, merged back > in March: > > > > https://sourceware.org/git/?p=binutils- sourceware.org/git/?p=binutils-> > >     gdb.git;a=commit;h=a93f60043a26e0b8b0ea71a63201b9352ce52a6f > >      sourceware.org/git/?p=binutils-> > >     gdb.git;a=commit;h=a93f60043a26e0b8b0ea71a63201b9352ce52a6f> > > > >     If so, then the NEWS entry should be in the "Changes in > GDB 17" section, > >     and cherry-picked to the gdb-17-branch branch (and it > should not be > >     added > >     in this particular patch). > > > > > > All the patches in a series of changes ( bfd, gdb, gdbserver) > are needed > > for breakpoint to work from gdb for  gdbserver target. > > > > After a discussion at the beginning of this work (over a year > ago) - I > > followed the path of submitting patches as smaller logical units. > > Neither of these points appear to be relevant to this patch. > > > I  can merge the last  2 (including this) MicroBlaze > patches  to the > > gdb-17 branch  as well. > > Let's work on one patch at a time and not confuse matters by > referring > to other unrelated patches. > > Please split this patch into two.  One change to NEWS, the other > changing the breakpoint op code. > > > Ok, I will do so. > > > pushed  2dda928eb2f2764adaed515f513227cea8d16564 > (microblaze-tdep.h) > > pushed c8af46a9cc214f8ef70d189ead632419d5889c2f > (NEWS update) Please apply both to gdb-17-branch as well as trunk. -- Michael Eager