projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| c5e63197 JO |
2 | #ifndef _LINUX_PERF_REGS_H |
| 3 | #define _LINUX_PERF_REGS_H | |
| 4 | ||
| 68db0cf1 IM |
5 | #include <linux/sched/task_stack.h> |
| 6 | ||
| 88a7c26a AL |
7 | struct perf_regs { |
| 8 | __u64 abi; | |
| 9 | struct pt_regs *regs; | |
| 10 | }; | |
| 11 | ||
| c5e63197 JO |
12 | #ifdef CONFIG_HAVE_PERF_REGS |
| 13 | #include <asm/perf_regs.h> | |
| 14 | u64 perf_reg_value(struct pt_regs *regs, int idx); | |
| 15 | int perf_reg_validate(u64 mask); | |
| 4018994f | 16 | u64 perf_reg_abi(struct task_struct *task); |
| 88a7c26a AL |
17 | void perf_get_regs_user(struct perf_regs *regs_user, |
| 18 | struct pt_regs *regs, | |
| 19 | struct pt_regs *regs_user_copy); | |
| c5e63197 JO |
20 | #else |
| 21 | static inline u64 perf_reg_value(struct pt_regs *regs, int idx) | |
| 22 | { | |
| 23 | return 0; | |
| 24 | } | |
| 25 | ||
| 26 | static inline int perf_reg_validate(u64 mask) | |
| 27 | { | |
| 28 | return mask ? -ENOSYS : 0; | |
| 29 | } | |
| 4018994f JO |
30 | |
| 31 | static inline u64 perf_reg_abi(struct task_struct *task) | |
| 32 | { | |
| 33 | return PERF_SAMPLE_REGS_ABI_NONE; | |
| 34 | } | |
| 88a7c26a AL |
35 | |
| 36 | static inline void perf_get_regs_user(struct perf_regs *regs_user, | |
| 37 | struct pt_regs *regs, | |
| 38 | struct pt_regs *regs_user_copy) | |
| 39 | { | |
| 40 | regs_user->regs = task_pt_regs(current); | |
| 41 | regs_user->abi = perf_reg_abi(current); | |
| 42 | } | |
| c5e63197 JO |
43 | #endif /* CONFIG_HAVE_PERF_REGS */ |
| 44 | #endif /* _LINUX_PERF_REGS_H */ |