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FUNCTION::REGISTERS_(3stap) | Context Functions | FUNCTION::REGISTERS_(3stap) |
NAME¶
function::registers_valid - Determines validity of register and u_register in current contextSYNOPSIS¶
registers_valid:long()
ARGUMENTS¶
NoneDESCRIPTION¶
This function returns 1 if register and u_register can be used in the current context, or 0 otherwise. For example, registers_valid returns 0 when called from a begin or end probe.November 2014 | SystemTap Tapset Reference |