Date: Thu, 15 Nov 2007 17:08:23 -0500 From: John Baldwin <jhb@freebsd.org> To: src-committers@freebsd.org Cc: cvs-src@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: <200711151708.23974.jhb@freebsd.org> In-Reply-To: <200711152200.lAFM0xCF018460@repoman.freebsd.org> References: <200711152200.lAFM0xCF018460@repoman.freebsd.org>
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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. -- John Baldwin
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