diff options
Diffstat (limited to 'arch/loongarch/include/asm/perf_event.h')
| -rw-r--r-- | arch/loongarch/include/asm/perf_event.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/perf_event.h b/arch/loongarch/include/asm/perf_event.h new file mode 100644 index 000000000000..f948a0676daf --- /dev/null +++ b/arch/loongarch/include/asm/perf_event.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Author: Huacai Chen <chenhuacai@loongson.cn> + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + */ + +#ifndef __LOONGARCH_PERF_EVENT_H__ +#define __LOONGARCH_PERF_EVENT_H__ + +#include <asm/ptrace.h> + +#define perf_arch_bpf_user_pt_regs(regs) (struct user_pt_regs *)regs + +#define perf_arch_fetch_caller_regs(regs, __ip) { \ + (regs)->csr_era = (__ip); \ + (regs)->regs[3] = (unsigned long) __builtin_frame_address(0); \ +} + +#endif /* __LOONGARCH_PERF_EVENT_H__ */ |