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* [Bug libc/11610] New: _fini does not have proper unwinding information on x86_64
@ 2010-05-19 14:45 pasky at suse dot cz
2010-05-19 14:45 ` [Bug libc/11610] " pasky at suse dot cz
0 siblings, 1 reply; 2+ messages in thread
From: pasky at suse dot cz @ 2010-05-19 14:45 UTC (permalink / raw)
To: glibc-bugs
It is impossible to reliably unwind the stack above _fini() on x86_64 since no
unwind information is provided for it and it modifies a stack register. This
matters for gdb backtracing - if a process crashes within a destructor, it can
frequently be essential to look at why the program began terminating in the
first place.
--
Summary: _fini does not have proper unwinding information on
x86_64
Product: glibc
Version: 2.12
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper at redhat dot com
ReportedBy: pasky at suse dot cz
CC: glibc-bugs at sources dot redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=11610
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* [Bug libc/11610] _fini does not have proper unwinding information on x86_64
2010-05-19 14:45 [Bug libc/11610] New: _fini does not have proper unwinding information on x86_64 pasky at suse dot cz
@ 2010-05-19 14:45 ` pasky at suse dot cz
0 siblings, 0 replies; 2+ messages in thread
From: pasky at suse dot cz @ 2010-05-19 14:45 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From pasky at suse dot cz 2010-05-19 14:45 -------
Created an attachment (id=4800)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=4800&action=view)
Proposed patch by Michael Matz
--
http://sourceware.org/bugzilla/show_bug.cgi?id=11610
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2010-05-19 14:45 [Bug libc/11610] New: _fini does not have proper unwinding information on x86_64 pasky at suse dot cz
2010-05-19 14:45 ` [Bug libc/11610] " pasky at suse dot cz
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