5 # define __ASM_FORM(x) x
6 # define __ASM_FORM_RAW(x) x
7 # define __ASM_FORM_COMMA(x) x,
9 # define __ASM_FORM(x) " " #x " "
10 # define __ASM_FORM_RAW(x) #x
11 # define __ASM_FORM_COMMA(x) " " #x ","
15 # define __ASM_SEL(a,b) __ASM_FORM(a)
16 # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a)
18 # define __ASM_SEL(a,b) __ASM_FORM(b)
19 # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b)
22 #define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \
24 #define __ASM_REG(reg) __ASM_SEL_RAW(e##reg, r##reg)
26 #define _ASM_PTR __ASM_SEL(.long, .quad)
27 #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8)
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)
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)
45 /* Exception table entry */
47 # define _ASM_EXTABLE_HANDLE(from, to, handler) \
48 .pushsection "__ex_table","a" ; \
52 .long (handler) - . ; \
55 # define _ASM_EXTABLE(from, to) \
56 _ASM_EXTABLE_HANDLE(from, to, ex_handler_default)
58 # define _ASM_EXTABLE_FAULT(from, to) \
59 _ASM_EXTABLE_HANDLE(from, to, ex_handler_fault)
61 # define _ASM_EXTABLE_EX(from, to) \
62 _ASM_EXTABLE_HANDLE(from, to, ex_handler_ext)
64 # define _ASM_NOKPROBE(entry) \
65 .pushsection "_kprobe_blacklist","aw" ; \
70 .macro ALIGN_DESTINATION
71 /* check for bad alignment of destination */
74 jz
102f
/* already aligned */
86 103: addl
%ecx
,%edx
/* ecx is zerorest also */
87 jmp copy_user_handle_tail
90 _ASM_EXTABLE(100b
,103b
)
91 _ASM_EXTABLE(101b
,103b
)
95 # define _EXPAND_EXTABLE_HANDLE(x) #x
96 # define _ASM_EXTABLE_HANDLE(from, to, handler) \
97 " .pushsection \"__ex_table\",\"a\"\n" \
99 " .long (" #from ") - .\n" \
100 " .long (" #to ") - .\n" \
101 " .long (" _EXPAND_EXTABLE_HANDLE(handler) ") - .\n" \
104 # define _ASM_EXTABLE(from, to) \
105 _ASM_EXTABLE_HANDLE(from, to, ex_handler_default)
107 # define _ASM_EXTABLE_FAULT(from, to) \
108 _ASM_EXTABLE_HANDLE(from, to, ex_handler_fault)
110 # define _ASM_EXTABLE_EX(from, to) \
111 _ASM_EXTABLE_HANDLE(from, to, ex_handler_ext)
113 /* For C file, we already have NOKPROBE_SYMBOL macro */
116 #endif /* _ASM_X86_ASM_H */