1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * linux/arch/unicore32/include/asm/stacktrace.h 4 * 5 * Code specific to PKUnity SoC and UniCore ISA 6 * 7 * Copyright (C) 2001-2010 GUAN Xue-tao 8 */ 9 10 #ifndef __UNICORE_STACKTRACE_H__ 11 #define __UNICORE_STACKTRACE_H__ 12 13 struct stackframe { 14 unsigned long fp; 15 unsigned long sp; 16 unsigned long lr; 17 unsigned long pc; 18 }; 19 20 #ifdef CONFIG_FRAME_POINTER 21 extern int unwind_frame(struct stackframe *frame); 22 #else 23 #define unwind_frame(f) (-EINVAL) 24 #endif 25 extern void walk_stackframe(struct stackframe *frame, 26 int (*fn)(struct stackframe *, void *), void *data); 27 28 #endif /* __UNICORE_STACKTRACE_H__ */ 29