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Re: [PATCH, v3] Expect SI_KERNEL or TRAP_BRKPT si_code values for MIPS breakpoint traps
- From: Pedro Alves <palves at redhat dot com>
- To: Luis Machado <lgustavo at codesourcery dot com>, gdb-patches at sourceware dot org
- Cc: macro at linux-mips dot org
- Date: Wed, 24 Feb 2016 14:44:22 +0000
- Subject: Re: [PATCH, v3] Expect SI_KERNEL or TRAP_BRKPT si_code values for MIPS breakpoint traps
- Authentication-results: sourceware.org; auth=none
- References: <1456179628-14249-1-git-send-email-lgustavo at codesourcery dot com> <56CB8E9D dot 70605 at redhat dot com> <56CBBD44 dot 8020808 at codesourcery dot com> <56CDA835 dot 7030903 at redhat dot com> <56CDAE41 dot 2050609 at codesourcery dot com>
On 02/24/2016 01:21 PM, Luis Machado wrote:
> Yes. We need to check the MIPS debug registers unconditionally and not
> just when a meaningful si_code of TRAP_HWBKPT shows up.
Yeah, though we won't be able to do that unconditionally, due
to the s390 quirk.
> Did you want that in the same patch or in a separate one? I was
> attempting to address the software breakpoint issue for now, but it
> seems i ended up with 2 problems now. :-)
I see this as a single problem of a regression caused by the
rely-on-si_code change. So I think we should fix it with a single patch.
Give me a bit while I try an approach here.
Thanks,
Pedro Alves