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It should be possible to test the "<function called from gdb>" case. All the more main-stream architectures now use dummy-frames so any one of them can be used for the test.Hi all, We've recently found a little problem with the current gdb in MI mode with synthesized frames on the stack (a gdb call dummy or a stack handler). Until last month, print_frame_info_base() would print information about these frames to stdout via printf_unfiltered; the reply to -stack-list-frames would have a FRAME tuple for level 0, skip level 1 (assuming that's the synthesized frame), then a FRAME tuple for level 2 and so on.
With Jeff's change a month ago -
http://sources.redhat.com/ml/gdb-patches/2002-09/msg00777.html
a LEVEL field is being output, but no other parts of the FRAME tuple.
(the FRAME tuple is a named tuple ("frame") with fields ADDR, FUNC,
ARGS, and LINE if those are all available). The output now looks like
~"<signal handler called>\n"
stack=[frame={level="0",addr=...,func=...},level="1",frame={level="2",addr=...},...]
I've attached a patch to emit a TUPLE with a func name of "<signal
handler called>" or "<function called from gdb>" and to include
the ADDR field. I also took the opportunity to remove some code that'd
been #if 0'ed since the original import on to sources.redhat.com in 1999.
It's probably easier to read the new code than the patch -- I'll list the
new code below and attach the patch.
2002-11-08 Jason Molenda (jmolenda@apple.com)
* stack.c (print_frame_info_base): Emit full FRAME tuple for
gdb call dummy and signal handler synthetic stack frames; send
stack frame name through UI instead of stdout.
Jason
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