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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