XCHAL_NUM_AREGS 69 include/asm-xtensa/processor.h #define WSBITS (XCHAL_NUM_AREGS / 4) /* width of WINDOWSTART in bits */ XCHAL_NUM_AREGS 117 include/asm-xtensa/ptrace.h (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)