1 #ifndef _LINUX_PERF_REGS_H
2 #define _LINUX_PERF_REGS_H
4 #include <linux/sched/task_stack.h>
11 #ifdef CONFIG_HAVE_PERF_REGS
12 #include <asm/perf_regs.h>
13 u64 perf_reg_value(struct pt_regs *regs, int idx);
14 int perf_reg_validate(u64 mask);
15 u64 perf_reg_abi(struct task_struct *task);
16 void perf_get_regs_user(struct perf_regs *regs_user,
18 struct pt_regs *regs_user_copy);
20 static inline u64 perf_reg_value(struct pt_regs *regs, int idx)
25 static inline int perf_reg_validate(u64 mask)
27 return mask ? -ENOSYS : 0;
30 static inline u64 perf_reg_abi(struct task_struct *task)
32 return PERF_SAMPLE_REGS_ABI_NONE;
35 static inline void perf_get_regs_user(struct perf_regs *regs_user,
37 struct pt_regs *regs_user_copy)
39 regs_user->regs = task_pt_regs(current);
40 regs_user->abi = perf_reg_abi(current);
42 #endif /* CONFIG_HAVE_PERF_REGS */
43 #endif /* _LINUX_PERF_REGS_H */