xref: /OK3568_Linux_fs/kernel/arch/arm/include/asm/perf_event.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *  linux/arch/arm/include/asm/perf_event.h
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  *  Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __ARM_PERF_EVENT_H__
9*4882a593Smuzhiyun #define __ARM_PERF_EVENT_H__
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #ifdef CONFIG_PERF_EVENTS
12*4882a593Smuzhiyun struct pt_regs;
13*4882a593Smuzhiyun extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
14*4882a593Smuzhiyun extern unsigned long perf_misc_flags(struct pt_regs *regs);
15*4882a593Smuzhiyun #define perf_misc_flags(regs)	perf_misc_flags(regs)
16*4882a593Smuzhiyun #endif
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun #define perf_arch_fetch_caller_regs(regs, __ip) { \
19*4882a593Smuzhiyun 	(regs)->ARM_pc = (__ip); \
20*4882a593Smuzhiyun 	frame_pointer((regs)) = (unsigned long) __builtin_frame_address(0); \
21*4882a593Smuzhiyun 	(regs)->ARM_sp = current_stack_pointer; \
22*4882a593Smuzhiyun 	(regs)->ARM_cpsr = SVC_MODE; \
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #endif /* __ARM_PERF_EVENT_H__ */
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