Date: Mon, 13 Aug 2001 16:54:43 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Bruce Evans <bde@zeta.org.au> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org, Bruce Evans <bde@FreeBSD.org> Subject: RE: cvs commit: src/sys/i386/i386 machdep.c Message-ID: <XFMail.010813165443.jhb@FreeBSD.org> In-Reply-To: <20010814091732.A8344-100000@besplex.bde.org>
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On 13-Aug-01 Bruce Evans wrote: > 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. What if we hit a code path from the Debugger that calls the Debugger() function? Esp. since we can call any function from ddb if we really want to... I suppose we could use db_active to test for this? But that is ddb-specific.. > Bruce -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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