Cregit: Linux 6.7: stacktrace.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Palmer Dabbelt	50	43.10%	2	22.22%
Guo Ren	24	20.69%	1	11.11%
Kefeng Wang	21	18.10%	3	33.33%
Patrick Stählin	10	8.62%	1	11.11%
Mao Han	7	6.03%	1	11.11%
Dmitry Safonov	4	3.45%	1	11.11%
Total	116		9

/* SPDX-License-Identifier: GPL-2.0 */

#ifndef _ASM_RISCV_STACKTRACE_H
#define _ASM_RISCV_STACKTRACE_H

#include <linux/sched.h>
#include <asm/ptrace.h>

struct stackframe {
	unsigned long fp;
	unsigned long ra;
};

extern void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
				    bool (*fn)(void *, unsigned long), void *arg);
extern void dump_backtrace(struct pt_regs *regs, struct task_struct *task,
			   const char *loglvl);

static inline bool on_thread_stack(void)
{
	return !(((unsigned long)(current->stack) ^ current_stack_pointer) & ~(THREAD_SIZE - 1));
}

#endif /* _ASM_RISCV_STACKTRACE_H */