/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_UNWINDER_H
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#define _LINUX_UNWINDER_H
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#include <asm/stacktrace.h>
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struct unwinder {
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const char *name;
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struct list_head list;
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int rating;
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void (*dump)(struct task_struct *, struct pt_regs *,
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unsigned long *, const struct stacktrace_ops *, void *);
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};
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extern int unwinder_init(void);
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extern int unwinder_register(struct unwinder *);
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extern void unwind_stack(struct task_struct *, struct pt_regs *,
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unsigned long *, const struct stacktrace_ops *,
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void *);
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extern void stack_reader_dump(struct task_struct *, struct pt_regs *,
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unsigned long *, const struct stacktrace_ops *,
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void *);
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/*
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* Used by fault handling code to signal to the unwinder code that it
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* should switch to a different unwinder.
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*/
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extern int unwinder_faulted;
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#endif /* _LINUX_UNWINDER_H */
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