[IA64] prevent accidental modification of args in jprobe handler
When jprobe is hit, the function parameters of the original function should be saved before jprobe handler is executed, and restored it after jprobe handler is executed, because jprobe handler might change the register values due to tail call optimization by the gcc. Signed-off-by: NZhang Yanmin <yanmin.zhang@intel.com> Signed-off-by: NAnil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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