Date: Mon, 13 Aug 2001 17:59:16 -0700 (PDT) From: Matt Dillon <dillon@earth.backplane.com> To: Bruce Evans <bde@zeta.org.au> Cc: John Baldwin <jhb@FreeBSD.ORG>, Bruce Evans <bde@FreeBSD.ORG>, <cvs-all@FreeBSD.ORG>, <cvs-committers@FreeBSD.ORG> Subject: Re: RE: cvs commit: src/sys/i386/i386 machdep.c Message-ID: <200108140059.f7E0xGa42989@earth.backplane.com> References: <20010814091732.A8344-100000@besplex.bde.org>
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:
:On Mon, 13 Aug 2001, John Baldwin wrote:
:
:> On 13-Aug-01 Bruce Evans wrote:
:> > bde 2001/08/13 06:22:50 PDT
:> >
:> > Modified files:
:> > sys/i386/i386 machdep.c
:> > Log:
:> > Use interrupt gates instead of trap gates for breakpoint and trace
:> > traps, so that ddb can keep control (almost) no matter how it is
:> > entered. ...
:
:> I take it the disabling of interrupts in Debugger() can be axed now?
:
:Yes. Also in i386-gdbstub.c.
:
:The anti-reentrancy flag in Debugger() can probably be axed too. It
:is similarly half-baked and is now unnecessary for preventing reentrance
:via the keyboard interrupt handler.
:
:Bruce
Cool! off topic: did you happen to notice the massive documentation
of trap and interrupt gates that I added in march of last year to
exception.s ?
-Matt
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