lookup_prev_stack_frame 264 arch/microblaze/kernel/unwind.c if (lookup_prev_stack_frame(fp, pc, leaf_return, &next_fp, lookup_prev_stack_frame 281 arch/sh/kernel/cpu/sh5/unwind.c if (lookup_prev_stack_frame(fp, pc, &next_fp, &next_pc, regs) == 0) {