| * arch/xtensa/include/asm/stacktrace.h |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * Copyright (C) 2001 - 2013 Tensilica Inc. |
| #ifndef _XTENSA_STACKTRACE_H |
| #define _XTENSA_STACKTRACE_H |
| static __always_inline unsigned long *stack_pointer(struct task_struct *task) |
| if (!task || task == current) |
| __asm__ __volatile__ ("mov %0, a1\n" : "=a"(sp)); |
| sp = (unsigned long *)task->thread.sp; |
| void walk_stackframe(unsigned long *sp, |
| int (*fn)(struct stackframe *frame, void *data), |
| void xtensa_backtrace_kernel(struct pt_regs *regs, unsigned int depth, |
| int (*kfn)(struct stackframe *frame, void *data), |
| int (*ufn)(struct stackframe *frame, void *data), |
| void xtensa_backtrace_user(struct pt_regs *regs, unsigned int depth, |
| int (*ufn)(struct stackframe *frame, void *data), |
| #endif /* _XTENSA_STACKTRACE_H */ |