Date: Thu, 15 Nov 2007 23:32:39 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: John Baldwin <jhb@freebsd.org> Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/sys/amd64/amd64 db_trace.c exception.S machdep.c trap.c Message-ID: <473CC907.3070007@FreeBSD.org> In-Reply-To: <200711151708.23974.jhb@freebsd.org> References: <200711152200.lAFM0xCF018460@repoman.freebsd.org> <200711151708.23974.jhb@freebsd.org>
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John Baldwin wrote: > On Thursday 15 November 2007 05:00:57 pm John Baldwin wrote: >> jhb 2007-11-15 22:00:57 UTC >> >> FreeBSD src repository >> >> Modified files: >> sys/amd64/amd64 db_trace.c exception.S machdep.c trap.c >> Log: >> Add support for cross double fault frames in stack traces: >> - Populate the register values for the trapframe put on the stack by the >> double fault handler. >> - Teach DDB's trace routine to treat a double fault like other trap > frames. >> >> MFC after: 3 days > > As an aside, because amd64 uses much saner stack frames than i386, kgdb will > trace across a double fault just fine w/o any further patches if the kernel > has this fix. > Nice. Kris
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