1#ifndef _ASM_X86_ASM_H
2#define _ASM_X86_ASM_H
3
4#ifdef __ASSEMBLY__
5# define __ASM_FORM(x)	x
6# define __ASM_FORM_RAW(x)     x
7# define __ASM_FORM_COMMA(x) x,
8#else
9# define __ASM_FORM(x)	" " #x " "
10# define __ASM_FORM_RAW(x)     #x
11# define __ASM_FORM_COMMA(x) " " #x ","
12#endif
13
14#ifdef CONFIG_X86_32
15# define __ASM_SEL(a,b) __ASM_FORM(a)
16# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a)
17#else
18# define __ASM_SEL(a,b) __ASM_FORM(b)
19# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b)
20#endif
21
22#define __ASM_SIZE(inst, ...)	__ASM_SEL(inst##l##__VA_ARGS__, \
23					  inst##q##__VA_ARGS__)
24#define __ASM_REG(reg)         __ASM_SEL_RAW(e##reg, r##reg)
25
26#define _ASM_PTR	__ASM_SEL(.long, .quad)
27#define _ASM_ALIGN	__ASM_SEL(.balign 4, .balign 8)
28
29#define _ASM_MOV	__ASM_SIZE(mov)
30#define _ASM_INC	__ASM_SIZE(inc)
31#define _ASM_DEC	__ASM_SIZE(dec)
32#define _ASM_ADD	__ASM_SIZE(add)
33#define _ASM_SUB	__ASM_SIZE(sub)
34#define _ASM_XADD	__ASM_SIZE(xadd)
35
36#define _ASM_AX		__ASM_REG(ax)
37#define _ASM_BX		__ASM_REG(bx)
38#define _ASM_CX		__ASM_REG(cx)
39#define _ASM_DX		__ASM_REG(dx)
40#define _ASM_SP		__ASM_REG(sp)
41#define _ASM_BP		__ASM_REG(bp)
42#define _ASM_SI		__ASM_REG(si)
43#define _ASM_DI		__ASM_REG(di)
44
45/* Exception table entry */
46#ifdef __ASSEMBLY__
47# define _ASM_EXTABLE(from,to)					\
48	.pushsection "__ex_table","a" ;				\
49	.balign 8 ;						\
50	.long (from) - . ;					\
51	.long (to) - . ;					\
52	.popsection
53
54# define _ASM_EXTABLE_EX(from,to)				\
55	.pushsection "__ex_table","a" ;				\
56	.balign 8 ;						\
57	.long (from) - . ;					\
58	.long (to) - . + 0x7ffffff0 ;				\
59	.popsection
60
61# define _ASM_NOKPROBE(entry)					\
62	.pushsection "_kprobe_blacklist","aw" ;			\
63	_ASM_ALIGN ;						\
64	_ASM_PTR (entry);					\
65	.popsection
66#else
67# define _ASM_EXTABLE(from,to)					\
68	" .pushsection \"__ex_table\",\"a\"\n"			\
69	" .balign 8\n"						\
70	" .long (" #from ") - .\n"				\
71	" .long (" #to ") - .\n"				\
72	" .popsection\n"
73
74# define _ASM_EXTABLE_EX(from,to)				\
75	" .pushsection \"__ex_table\",\"a\"\n"			\
76	" .balign 8\n"						\
77	" .long (" #from ") - .\n"				\
78	" .long (" #to ") - . + 0x7ffffff0\n"			\
79	" .popsection\n"
80/* For C file, we already have NOKPROBE_SYMBOL macro */
81#endif
82
83#endif /* _ASM_X86_ASM_H */
84