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To: Pierre Muller <muller@cerbere.u-strasbg.fr>
Cc: Eli Zaretskii <eliz@is.elta.co.il>, gdb-patches@sources.redhat.com
Subject: Re: [RFA/RFC 3] Remove hardware break and watchpoints at program   exit.
References: <4.2.0.58.20020111143044.019c7e50@ics.u-strasbg.fr>  <4.2.0.58.20020111125745.0135ea48@ics.u-strasbg.fr>  <4.2.0.58.20020111125745.0135ea48@ics.u-strasbg.fr>  <4.2.0.58.20020111143044.019c7e50@ics.u-strasbg.fr> <4.2.0.58.20020111171505.01cdfad0@ics.u-strasbg.fr>
From: Mark Kettenis <kettenis@science.uva.nl>
Date: Sat, 12 Jan 2002 05:20:00 -0000
In-Reply-To: Pierre Muller's message of Fri, 11 Jan 2002 18:19:11 +0100
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Pierre Muller <muller@cerbere.u-strasbg.fr> writes:

> After the  previous discussion about  the 
> hardware watch and breakpoint removal 
> about the debuggee exited. I slightly modifed my patch
> by adding a test to avoid calling ptrace
> in i386-linux-nat.c, i386bsd-nat.c and x86-64-linux-nat.c
> i386_linux_dr_set, i386bsd_dr_set and x86_64_linux_dr_set functions
> if taget_has_execution is 0.

That should not be necessary.  Those functions shouldn't be called
when there is no debuggee.  I suspect that there is something wrong
with the hardware breakpoint/watchpoint implementation at a much
higher level.

Mark