1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM exceptions
4 
5 #if !defined(_TRACE_PAGE_FAULT_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_PAGE_FAULT_H
7 
8 #include <linux/tracepoint.h>
9 #include <asm/trace/common.h>
10 
11 extern int trace_pagefault_reg(void);
12 extern void trace_pagefault_unreg(void);
13 
14 DECLARE_EVENT_CLASS(x86_exceptions,
15 
16 	TP_PROTO(unsigned long address, struct pt_regs *regs,
17 		 unsigned long error_code),
18 
19 	TP_ARGS(address, regs, error_code),
20 
21 	TP_STRUCT__entry(
22 		__field(		unsigned long, address	)
23 		__field(		unsigned long, ip	)
24 		__field(		unsigned long, error_code )
25 	),
26 
27 	TP_fast_assign(
28 		__entry->address = address;
29 		__entry->ip = regs->ip;
30 		__entry->error_code = error_code;
31 	),
32 
33 	TP_printk("address=%pf ip=%pf error_code=0x%lx",
34 		  (void *)__entry->address, (void *)__entry->ip,
35 		  __entry->error_code) );
36 
37 #define DEFINE_PAGE_FAULT_EVENT(name)				\
38 DEFINE_EVENT_FN(x86_exceptions, name,				\
39 	TP_PROTO(unsigned long address,	struct pt_regs *regs,	\
40 		 unsigned long error_code),			\
41 	TP_ARGS(address, regs, error_code),			\
42 	trace_pagefault_reg, trace_pagefault_unreg);
43 
44 DEFINE_PAGE_FAULT_EVENT(page_fault_user);
45 DEFINE_PAGE_FAULT_EVENT(page_fault_kernel);
46 
47 #undef TRACE_INCLUDE_PATH
48 #define TRACE_INCLUDE_PATH .
49 #define TRACE_INCLUDE_FILE exceptions
50 #endif /*  _TRACE_PAGE_FAULT_H */
51 
52 /* This part must be outside protection */
53 #include <trace/define_trace.h>
54