http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
--- Comment #10 from Torleif.Sandnes at atmel dot com 2011-08-02 20:46:09 UTC
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I am on vacation, but will be back 8th August.
Torleif Sandnes
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
Richard Henderson rth at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |RESOLVED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
--- Comment #8 from Anitha Boyapati anitha.boyapati at atmel dot com
2011-02-16 08:20:03 UTC ---
Created attachment 23360
-- http://gcc.gnu.org/bugzilla/attachment.cgi?id=23360
Initial fix that emits the output shown in comment 5
(In reply to
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
--- Comment #9 from Richard Henderson rth at gcc dot gnu.org 2011-02-16
18:04:08 UTC ---
Going by the internals document, INCOMING_FRAME_SP_OFFSET is already defined
but it is not used anywhere (in my patch).
Certainly it's going to be used by
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
Richard Henderson rth at gcc dot gnu.org changed:
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CC||rth at gcc dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
--- Comment #6 from Anitha Boyapati anitha.boyapati at atmel dot com
2010-12-29 13:35:34 UTC ---
(In reply to comment #4)
Looks like to get call-stack debug info, all we require to do is define
INCOMING_RETURN_ADDR_RTX. In AVR, since the
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
Anitha Boyapati anitha.boyapati at atmel dot com changed:
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CC|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
--- Comment #5 from Anitha Boyapati anitha.boyapati at atmel dot com
2010-12-29 07:08:33 UTC ---
(In reply to comment #4)
And this gives an ICE in dwarf2out_frame_debug_expr(). Modifying the above
function to pre decrement the stack pointer
--- Comment #3 from tsandnes at atmel dot com 2009-10-23 11:41 ---
I tried gcc 4.3.2 from the WinAVR distribution and also avr-gcc 4.4.1.
The short story is: There is call frame information there, but not enough.
Specifically, the Call Frame instructions to reconstruct the pc to unwind
--- Comment #2 from eric dot weddington at atmel dot com 2009-08-20 22:40
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Hi Torleif,
Please check more recent versions such as 4.3.2, 4.3.3, or 4.4.0. There are
.debug_frame sections in there, but I don't know if it contains the information
that you're looking for.
Thanks,
Eric
--
Bug 17994 depends on bug 19885, which changed state.
Bug 19885 Summary: [4.0/4.1 Regression] avr dwarf-2 support is broken for head
4.0/4.1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19885
What|Old Value |New Value
--- Additional Comments From bjoern dot m dot haase at web dot de
2005-05-06 13:59 ---
Hi,
I have been reviewing PR19885 and come to the following conclusions:
1.) As expected, Torleif is right: I can confirm that the problem exists,
2.) it should, however, probably be called
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BugsThisDependsOn||19885
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
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CC||bjoern dot m dot haase at
||web dot de
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CC||berndtrog at yahoo dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
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Component|debug |target
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
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Severity|normal |enhancement
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
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CC||ericw at evcohs dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17994
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