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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445/* * 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 * for more details. * * Copyright (C) 2001 - 2013 Tensilica Inc. */#ifndef _XTENSA_STACKTRACE_H#define _XTENSA_STACKTRACE_H
#include <linux/sched.h>
struct stackframe { unsigned long pc; unsigned long sp;};
static __always_inline unsigned long *stack_pointer(struct task_struct *task){ unsigned long sp;
if (!task || task == current) sp = current_stack_pointer; else sp = task->thread.sp;
return (unsigned long *)sp;}
void walk_stackframe(unsigned long *sp, int (*fn)(struct stackframe *frame, void *data), 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 *data);void xtensa_backtrace_user(struct pt_regs *regs, unsigned int depth, int (*ufn)(struct stackframe *frame, void *data), void *data);
#endif /* _XTENSA_STACKTRACE_H */