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* [Bug backtrace/10224] New: Please add dwarf3 DW_OP_call_frame_cfa
@ 2009-06-01 16:14 rth at gcc dot gnu dot org
2009-06-01 16:16 ` [Bug backtrace/10224] " tromey at redhat dot com
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: rth at gcc dot gnu dot org @ 2009-06-01 16:14 UTC (permalink / raw)
To: gdb-prs
Currently GCC has to describe the CFA twice, once for the unwind info
and once in the form of location lists for DW_AT_frame_base. This
dwarf3 opcode allows DW_AT_frame_base to essentially reference the
unwind info definition.
--
Summary: Please add dwarf3 DW_OP_call_frame_cfa
Product: gdb
Version: unknown
Status: UNCONFIRMED
Severity: enhancement
Priority: P2
Component: backtrace
AssignedTo: unassigned at sourceware dot org
ReportedBy: rth at gcc dot gnu dot org
CC: gdb-prs at sourceware dot org
http://sourceware.org/bugzilla/show_bug.cgi?id=10224
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* [Bug backtrace/10224] Please add dwarf3 DW_OP_call_frame_cfa
2009-06-01 16:14 [Bug backtrace/10224] New: Please add dwarf3 DW_OP_call_frame_cfa rth at gcc dot gnu dot org
@ 2009-06-01 16:16 ` tromey at redhat dot com
2009-06-02 9:38 ` jan dot kratochvil at redhat dot com
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: tromey at redhat dot com @ 2009-06-01 16:16 UTC (permalink / raw)
To: gdb-prs
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What |Removed |Added
----------------------------------------------------------------------------
CC| |tromey at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=10224
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* [Bug backtrace/10224] Please add dwarf3 DW_OP_call_frame_cfa
2009-06-01 16:14 [Bug backtrace/10224] New: Please add dwarf3 DW_OP_call_frame_cfa rth at gcc dot gnu dot org
2009-06-01 16:16 ` [Bug backtrace/10224] " tromey at redhat dot com
@ 2009-06-02 9:38 ` jan dot kratochvil at redhat dot com
2009-06-02 21:31 ` tromey at redhat dot com
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jan dot kratochvil at redhat dot com @ 2009-06-02 9:38 UTC (permalink / raw)
To: gdb-prs
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What |Removed |Added
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CC| |jan dot kratochvil at redhat
| |dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=10224
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* [Bug backtrace/10224] Please add dwarf3 DW_OP_call_frame_cfa
2009-06-01 16:14 [Bug backtrace/10224] New: Please add dwarf3 DW_OP_call_frame_cfa rth at gcc dot gnu dot org
2009-06-01 16:16 ` [Bug backtrace/10224] " tromey at redhat dot com
2009-06-02 9:38 ` jan dot kratochvil at redhat dot com
@ 2009-06-02 21:31 ` tromey at redhat dot com
2009-06-02 23:11 ` rth at gcc dot gnu dot org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: tromey at redhat dot com @ 2009-06-02 21:31 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From tromey at redhat dot com 2009-06-02 21:31 -------
What is the simplest way to test a patch implementing this?
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10224
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* [Bug backtrace/10224] Please add dwarf3 DW_OP_call_frame_cfa
2009-06-01 16:14 [Bug backtrace/10224] New: Please add dwarf3 DW_OP_call_frame_cfa rth at gcc dot gnu dot org
` (2 preceding siblings ...)
2009-06-02 21:31 ` tromey at redhat dot com
@ 2009-06-02 23:11 ` rth at gcc dot gnu dot org
2009-06-02 23:27 ` tromey at redhat dot com
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rth at gcc dot gnu dot org @ 2009-06-02 23:11 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From rth at gcc dot gnu dot org 2009-06-02 23:11 -------
We'll whip up a patch to generate the opcode, then ...
Probably to watch the value of a function argument on
the stack, while stepping through the prologue of a function.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10224
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* [Bug backtrace/10224] Please add dwarf3 DW_OP_call_frame_cfa
2009-06-01 16:14 [Bug backtrace/10224] New: Please add dwarf3 DW_OP_call_frame_cfa rth at gcc dot gnu dot org
` (3 preceding siblings ...)
2009-06-02 23:11 ` rth at gcc dot gnu dot org
@ 2009-06-02 23:27 ` tromey at redhat dot com
2009-06-03 0:07 ` rth at gcc dot gnu dot org
2009-09-14 15:58 ` tromey at redhat dot com
6 siblings, 0 replies; 8+ messages in thread
From: tromey at redhat dot com @ 2009-06-02 23:27 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From tromey at redhat dot com 2009-06-02 23:27 -------
Sounds good.
I have a gdb patch; attach the gcc patch here and I will give it a try.
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at sourceware dot|tromey at redhat dot com
|org |
Status|UNCONFIRMED |ASSIGNED
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2009-06-02 23:27:09
date| |
http://sourceware.org/bugzilla/show_bug.cgi?id=10224
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* [Bug backtrace/10224] Please add dwarf3 DW_OP_call_frame_cfa
2009-06-01 16:14 [Bug backtrace/10224] New: Please add dwarf3 DW_OP_call_frame_cfa rth at gcc dot gnu dot org
` (4 preceding siblings ...)
2009-06-02 23:27 ` tromey at redhat dot com
@ 2009-06-03 0:07 ` rth at gcc dot gnu dot org
2009-09-14 15:58 ` tromey at redhat dot com
6 siblings, 0 replies; 8+ messages in thread
From: rth at gcc dot gnu dot org @ 2009-06-03 0:07 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From rth at gcc dot gnu dot org 2009-06-03 00:07 -------
Created an attachment (id=3979)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=3979&action=view)
quick hack to make gcc generate DW_OP_call_frame_cfa
I'm not sure off-hand what conditional I should really be using,
but no conditional at all will work for testing. =)
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10224
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* [Bug backtrace/10224] Please add dwarf3 DW_OP_call_frame_cfa
2009-06-01 16:14 [Bug backtrace/10224] New: Please add dwarf3 DW_OP_call_frame_cfa rth at gcc dot gnu dot org
` (5 preceding siblings ...)
2009-06-03 0:07 ` rth at gcc dot gnu dot org
@ 2009-09-14 15:58 ` tromey at redhat dot com
6 siblings, 0 replies; 8+ messages in thread
From: tromey at redhat dot com @ 2009-09-14 15:58 UTC (permalink / raw)
To: gdb-prs
------- Additional Comments From tromey at redhat dot com 2009-09-14 15:58 -------
I checked in the fix.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
Target Milestone|6.8 |6.9
http://sourceware.org/bugzilla/show_bug.cgi?id=10224
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end of thread, other threads:[~2009-09-14 15:58 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
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2009-06-01 16:14 [Bug backtrace/10224] New: Please add dwarf3 DW_OP_call_frame_cfa rth at gcc dot gnu dot org
2009-06-01 16:16 ` [Bug backtrace/10224] " tromey at redhat dot com
2009-06-02 9:38 ` jan dot kratochvil at redhat dot com
2009-06-02 21:31 ` tromey at redhat dot com
2009-06-02 23:11 ` rth at gcc dot gnu dot org
2009-06-02 23:27 ` tromey at redhat dot com
2009-06-03 0:07 ` rth at gcc dot gnu dot org
2009-09-14 15:58 ` tromey at redhat dot com
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