projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| c5e63197 JO |
1 | #ifndef _LINUX_PERF_REGS_H |
| 2 | #define _LINUX_PERF_REGS_H | |
| 3 | ||
| 68db0cf1 IM |
4 | #include <linux/sched/task_stack.h> |
| 5 | ||
| 88a7c26a AL |
6 | struct perf_regs { |
| 7 | __u64 abi; | |
| 8 | struct pt_regs *regs; | |
| 9 | }; | |
| 10 | ||
| c5e63197 JO |
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); | |
| 4018994f | 15 | u64 perf_reg_abi(struct task_struct *task); |
| 88a7c26a AL |
16 | void perf_get_regs_user(struct perf_regs *regs_user, |
| 17 | struct pt_regs *regs, | |
| 18 | struct pt_regs *regs_user_copy); | |
| c5e63197 JO |
19 | #else |
| 20 | static inline u64 perf_reg_value(struct pt_regs *regs, int idx) | |
| 21 | { | |
| 22 | return 0; | |
| 23 | } | |
| 24 | ||
| 25 | static inline int perf_reg_validate(u64 mask) | |
| 26 | { | |
| 27 | return mask ? -ENOSYS : 0; | |
| 28 | } | |
| 4018994f JO |
29 | |
| 30 | static inline u64 perf_reg_abi(struct task_struct *task) | |
| 31 | { | |
| 32 | return PERF_SAMPLE_REGS_ABI_NONE; | |
| 33 | } | |
| 88a7c26a AL |
34 | |
| 35 | static inline void perf_get_regs_user(struct perf_regs *regs_user, | |
| 36 | struct pt_regs *regs, | |
| 37 | struct pt_regs *regs_user_copy) | |
| 38 | { | |
| 39 | regs_user->regs = task_pt_regs(current); | |
| 40 | regs_user->abi = perf_reg_abi(current); | |
| 41 | } | |
| c5e63197 JO |
42 | #endif /* CONFIG_HAVE_PERF_REGS */ |
| 43 | #endif /* _LINUX_PERF_REGS_H */ |