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Re: [PATCH] RISC-V: enable have_nonsteppable_watchpoint by default

From: Paul Koning <paulkoning at comcast dot net>
To: Joel Brobecker <brobecker at adacore dot com>
Cc: Pedro Alves <palves at redhat dot com>, Andrew Burgess <andrew dot burgess at embecosm dot com>, Craig Blackmore <craig dot blackmore at embecosm dot com>, gdb-patches at sourceware dot org
Date: Mon, 8 Oct 2018 10:37:22 -0400
Subject: Re: [PATCH] RISC-V: enable have_nonsteppable_watchpoint by default
References: <c83e39fb-b1e8-cc67-85b5-c7cc66197078@embecosm.com> <20180917103409.GJ5952@embecosm.com> <77978648-c391-0011-6c03-c7fd38429914@embecosm.com> <20181003223703.GA22933@adacore.com> <20181008095839.GC5952@embecosm.com> <4c4c1369-0f5c-549a-ed82-51563c5e6dd6@redhat.com> <20181008142533.GA2993@adacore.com>


> On Oct 8, 2018, at 10:25 AM, Joel Brobecker <brobecker@adacore.com> wrote:
> 
>> [...] coupled with the fact that I'm not sure
>> whether there are in fact implementations of riscv that trigger
>> watchpoints after the write, makes me wonder, do we really need this?
> 
> Actually - that's a very good point. Do we know of any architecture
> where the watchpoint triggers after the write?

I think MIPS is one.  The documentation is not entirely clear but that's what I remember from using it.

	paul

Follow-Ups:
- Re: [PATCH] RISC-V: enable have_nonsteppable_watchpoint by default
  - From: Pedro Alves
- Re: [PATCH] RISC-V: enable have_nonsteppable_watchpoint by default
  - From: Andreas Schwab

References:
- Re: [PATCH] RISC-V: enable have_nonsteppable_watchpoint by default
  - From: Joel Brobecker
- Re: [PATCH] RISC-V: enable have_nonsteppable_watchpoint by default
  - From: Andrew Burgess
- Re: [PATCH] RISC-V: enable have_nonsteppable_watchpoint by default
  - From: Pedro Alves
- Re: [PATCH] RISC-V: enable have_nonsteppable_watchpoint by default
  - From: Joel Brobecker

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