libb-hooks-op-check-perl 0.17-1 (armel binary) in ubuntu oneiric

 B::Hooks::OP::Check provides a C API into PL_check, part of perl's core.
 .
 This module provides a C API for XS modules to hook into the callbacks
 of "PL_check". PL_check is an array indexed by opcode number
 (op_type) that contains function pointers invoked as the last
 stage of optree compilation, per op.