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Author SHA1 Message Date
Arun Sharma e2962af9d3 Implement a cheaper getcontext() 
Since the fast unwinding code path doesn't need the full context,
a faster target dependent getcontext is implemented.

Signed-off-by: Lassi Tuura <lat@cern.ch>
 2011-04-05 22:07:05 -07:00
Arun Sharma 215afa30b7 Add unwind descriptors to getcontext.S 2010-04-28 16:32:30 -07:00
Konstantin Belousov 6f7b335e89 Add my copyrights to several files that contain essential modifications 2010-04-10 01:42:26 +03:00
Konstantin Belousov 0f1c0f5f66 Fix resume. 2010-03-08 15:51:39 +02:00
Konstantin Belousov 43ed5b3e56 Add required assembler magic. 2010-03-08 00:57:50 +02:00
Konstantin Belousov 200147d0f2 Handle fpu state 2010-03-06 23:22:46 +02:00
Arun Sharma ef29eade44 This patch eliminates one system call per unwind by not using the 
getcontext in libc.

Also cleanup the namespace (check-name-space passes on x86_64 now).
Replace uses of offsets.h with ucontext_i.h.
Rename _x86_64_setcontext to _Ux86_64_setcontext.

TBD: Add CFI annotations for get/setcontext.

Signed-off-by: Paul Pluzhnikov <ppluzhnikov@google.com>
Signed-off-by: Arun Sharma <arun.sharma@google.com>
 2008-06-16 14:42:16 -06:00