Bug 140534 - GDB doesn't detect that clone() is out most CFI frame
GDB doesn't detect that clone() is out most CFI frame
Status: CLOSED DUPLICATE of bug 216506
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: gdb (Show other bugs)
4.0
All Linux
medium Severity medium
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Assigned To: Alexandre Oliva
David Lawrence
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Depends On: 129331
Blocks: 169570
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Reported: 2004-11-23 09:57 EST by Andrew Cagney
Modified: 2007-11-30 17:07 EST (History)
4 users (show)

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Doc Type: Bug Fix
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Last Closed: 2006-11-30 09:35:43 EST
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Description Andrew Cagney 2004-11-23 09:57:40 EST
#4  0x0fe804d0 in clone () from /lib/tls/libc.so.6
#5  0x0fe804d0 in clone () from /lib/tls/libc.so.6
Previous frame identical to this frame (corrupt stack?)

Per disucssion on gdb@:

- glibc should mark up the return-address column of the assembly
function clone() to indicate that it is UNDEFINED.

- GDB should detect this and mark the function as outer-most by
returning a NULL frame ID.
Comment 1 Jan Kratochvil 2006-11-30 09:35:43 EST
Sure this one was first, just to cleanup a bit BZ.


*** This bug has been marked as a duplicate of 216506 ***

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