| /* 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] = current_stack_pointer; \ |
| (regs)->regs[22] = (unsigned long) __builtin_frame_address(0); \ |
| } |
| |
| #endif /* __LOONGARCH_PERF_EVENT_H__ */ |
