how to know state of the thread while debugging core dump with gdb on linux?

Question

i am getting crash in the thread. while debugging coredump with gdb, i want to see the state of the thread just before crash.

in my program i am raising a signal for that thread and handling it. it would be helpful to know the state before the thread has crashed and the time before the signal raised for that thread. is it possible to obtain this information from gdb?

Thanks

This thread has enough information about it: http://stackoverflow.com/questions/4077129/core-dump-of-multithreaded-application-shows-only-one-thread — wuliang, May 08 '12 at 13:28

score 1 · Answer 1 · answered May 08 '12 at 13:40

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With "Reversible Debugging" of gdb 7.4 it is possible. Look here for a little tutorial.

answered May 08 '12 at 13:40

silvio

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score 0 · Accepted Answer · answered May 08 '12 at 13:27

0

Please refer to this page

http://linux-hacks.blogspot.com/2009/07/looking-at-thread-state-inside-gdb.html

answered May 08 '12 at 13:27

masay

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this is true.. but this works when actual program is running not with coredump. – sandeep May 09 '12 at 04:38

how to know state of the thread while debugging core dump with gdb on linux?

2 Answers2