51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef _LINUX_PERF_REGS_H
|
||
|
|
#define _LINUX_PERF_REGS_H
|
||
|
|
|
||
|
|
#include <linux/sched/task_stack.h>
|
||
|
|
|
||
|
|
struct perf_regs {
|
||
|
|
__u64 abi;
|
||
|
|
struct pt_regs *regs;
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef CONFIG_HAVE_PERF_REGS
|
||
|
|
#include <asm/perf_regs.h>
|
||
|
|
|
||
|
|
#ifndef PERF_REG_EXTENDED_MASK
|
||
|
|
#define PERF_REG_EXTENDED_MASK 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
u64 perf_reg_value(struct pt_regs *regs, int idx);
|
||
|
|
int perf_reg_validate(u64 mask);
|
||
|
|
u64 perf_reg_abi(struct task_struct *task);
|
||
|
|
void perf_get_regs_user(struct perf_regs *regs_user,
|
||
|
|
struct pt_regs *regs);
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define PERF_REG_EXTENDED_MASK 0
|
||
|
|
|
||
|
|
static inline u64 perf_reg_value(struct pt_regs *regs, int idx)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int perf_reg_validate(u64 mask)
|
||
|
|
{
|
||
|
|
return mask ? -ENOSYS : 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline u64 perf_reg_abi(struct task_struct *task)
|
||
|
|
{
|
||
|
|
return PERF_SAMPLE_REGS_ABI_NONE;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void perf_get_regs_user(struct perf_regs *regs_user,
|
||
|
|
struct pt_regs *regs)
|
||
|
|
{
|
||
|
|
regs_user->regs = task_pt_regs(current);
|
||
|
|
regs_user->abi = perf_reg_abi(current);
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_HAVE_PERF_REGS */
|
||
|
|
#endif /* _LINUX_PERF_REGS_H */
|