tag	line	file	source code
FR_STATUS	63	include/asm-mips/stackframe.h	#define FR_EPC    ((FR_STATUS) + 4)
FR_STATUS	96	include/asm-mips/stackframe.h	sw  v0,FR_STATUS(sp);               \
FR_STATUS	144	include/asm-mips/stackframe.h	lw  v0,FR_STATUS(sp);               \