21 lines
562 B
C
21 lines
562 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Author: Huacai Chen <chenhuacai@loongson.cn>
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* Copyright (C) 2020-2022 Loongson Technology Corporation Limited
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*/
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#ifndef __LOONGARCH_PERF_EVENT_H__
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#define __LOONGARCH_PERF_EVENT_H__
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#include <asm/ptrace.h>
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#define perf_arch_bpf_user_pt_regs(regs) (struct user_pt_regs *)regs
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#define perf_arch_fetch_caller_regs(regs, __ip) { \
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(regs)->csr_era = (__ip); \
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(regs)->regs[3] = current_stack_pointer; \
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(regs)->regs[22] = (unsigned long) __builtin_frame_address(0); \
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}
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#endif /* __LOONGARCH_PERF_EVENT_H__ */
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