USE_UCONTEXT_REG  765 signal.c       #   define USE_UCONTEXT_REG 1
USE_UCONTEXT_REG  768 signal.c       #   define USE_UCONTEXT_REG 1
USE_UCONTEXT_REG  770 signal.c       #   define USE_UCONTEXT_REG 1
USE_UCONTEXT_REG  772 signal.c       #   define USE_UCONTEXT_REG 1