xref: /OK3568_Linux_fs/kernel/arch/x86/include/asm/trace/exceptions.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #undef TRACE_SYSTEM
3*4882a593Smuzhiyun #define TRACE_SYSTEM exceptions
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #if !defined(_TRACE_PAGE_FAULT_H) || defined(TRACE_HEADER_MULTI_READ)
6*4882a593Smuzhiyun #define _TRACE_PAGE_FAULT_H
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <linux/tracepoint.h>
9*4882a593Smuzhiyun #include <asm/trace/common.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun extern int trace_pagefault_reg(void);
12*4882a593Smuzhiyun extern void trace_pagefault_unreg(void);
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun DECLARE_EVENT_CLASS(x86_exceptions,
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun 	TP_PROTO(unsigned long address, struct pt_regs *regs,
17*4882a593Smuzhiyun 		 unsigned long error_code),
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	TP_ARGS(address, regs, error_code),
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	TP_STRUCT__entry(
22*4882a593Smuzhiyun 		__field(		unsigned long, address	)
23*4882a593Smuzhiyun 		__field(		unsigned long, ip	)
24*4882a593Smuzhiyun 		__field(		unsigned long, error_code )
25*4882a593Smuzhiyun 	),
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	TP_fast_assign(
28*4882a593Smuzhiyun 		__entry->address = address;
29*4882a593Smuzhiyun 		__entry->ip = regs->ip;
30*4882a593Smuzhiyun 		__entry->error_code = error_code;
31*4882a593Smuzhiyun 	),
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	TP_printk("address=%ps ip=%ps error_code=0x%lx",
34*4882a593Smuzhiyun 		  (void *)__entry->address, (void *)__entry->ip,
35*4882a593Smuzhiyun 		  __entry->error_code) );
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #define DEFINE_PAGE_FAULT_EVENT(name)				\
38*4882a593Smuzhiyun DEFINE_EVENT_FN(x86_exceptions, name,				\
39*4882a593Smuzhiyun 	TP_PROTO(unsigned long address,	struct pt_regs *regs,	\
40*4882a593Smuzhiyun 		 unsigned long error_code),			\
41*4882a593Smuzhiyun 	TP_ARGS(address, regs, error_code),			\
42*4882a593Smuzhiyun 	trace_pagefault_reg, trace_pagefault_unreg);
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun DEFINE_PAGE_FAULT_EVENT(page_fault_user);
45*4882a593Smuzhiyun DEFINE_PAGE_FAULT_EVENT(page_fault_kernel);
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun #undef TRACE_INCLUDE_PATH
48*4882a593Smuzhiyun #undef TRACE_INCLUDE_FILE
49*4882a593Smuzhiyun #define TRACE_INCLUDE_PATH .
50*4882a593Smuzhiyun #define TRACE_INCLUDE_FILE exceptions
51*4882a593Smuzhiyun #endif /*  _TRACE_PAGE_FAULT_H */
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun /* This part must be outside protection */
54*4882a593Smuzhiyun #include <trace/define_trace.h>
55