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5270 serge 1 
#ifndef _ASM_X86_ASM_H
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#define _ASM_X86_ASM_H
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#ifdef __ASSEMBLY__
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# define __ASM_FORM(x)	x
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# define __ASM_FORM_RAW(x)     x
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# define __ASM_FORM_COMMA(x) x,
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#else
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# define __ASM_FORM(x)	" " #x " "
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# define __ASM_FORM_RAW(x)     #x
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# define __ASM_FORM_COMMA(x) " " #x ","
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#endif
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#ifdef CONFIG_X86_32
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# define __ASM_SEL(a,b) __ASM_FORM(a)
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# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a)
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#else
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# define __ASM_SEL(a,b) __ASM_FORM(b)
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# define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b)
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#endif
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#define __ASM_SIZE(inst, ...)	__ASM_SEL(inst##l##__VA_ARGS__, \
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					  inst##q##__VA_ARGS__)
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#define __ASM_REG(reg)         __ASM_SEL_RAW(e##reg, r##reg)
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#define _ASM_PTR	__ASM_SEL(.long, .quad)
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#define _ASM_ALIGN	__ASM_SEL(.balign 4, .balign 8)
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#define _ASM_MOV	__ASM_SIZE(mov)
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#define _ASM_INC	__ASM_SIZE(inc)
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#define _ASM_DEC	__ASM_SIZE(dec)
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#define _ASM_ADD	__ASM_SIZE(add)
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#define _ASM_SUB	__ASM_SIZE(sub)
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#define _ASM_XADD	__ASM_SIZE(xadd)
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#define _ASM_AX		__ASM_REG(ax)
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#define _ASM_BX		__ASM_REG(bx)
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#define _ASM_CX		__ASM_REG(cx)
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#define _ASM_DX		__ASM_REG(dx)
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#define _ASM_SP		__ASM_REG(sp)
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#define _ASM_BP		__ASM_REG(bp)
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#define _ASM_SI		__ASM_REG(si)
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#define _ASM_DI		__ASM_REG(di)
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/* Exception table entry */
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#ifdef __ASSEMBLY__
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# define _ASM_EXTABLE_HANDLE(from, to, handler)			\
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	.pushsection "__ex_table","a" ;				\
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	.balign 4 ;						\
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	.long (from) - . ;					\
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	.long (to) - . ;					\
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	.long (handler) - . ;					\
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	.popsection
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# define _ASM_EXTABLE(from, to)					\
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	_ASM_EXTABLE_HANDLE(from, to, ex_handler_default)
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# define _ASM_EXTABLE_FAULT(from, to)				\
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	_ASM_EXTABLE_HANDLE(from, to, ex_handler_fault)
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# define _ASM_EXTABLE_EX(from, to)				\
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	_ASM_EXTABLE_HANDLE(from, to, ex_handler_ext)
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# define _ASM_NOKPROBE(entry)					\
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	.pushsection "_kprobe_blacklist","aw" ;			\
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	_ASM_ALIGN ;						\
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	_ASM_PTR (entry);					\
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	.popsection
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.macro ALIGN_DESTINATION
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	/* check for bad alignment of destination */
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	movl %edi,%ecx
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	andl $7,%ecx
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	jz 102f				/* already aligned */
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	subl $8,%ecx
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	negl %ecx
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	subl %ecx,%edx
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100:	movb (%rsi),%al
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101:	movb %al,(%rdi)
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	incq %rsi
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	incq %rdi
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	decl %ecx
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	jnz 100b
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102:
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	.section .fixup,"ax"
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103:	addl %ecx,%edx			/* ecx is zerorest also */
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	jmp copy_user_handle_tail
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	.previous
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	_ASM_EXTABLE(100b,103b)
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	_ASM_EXTABLE(101b,103b)
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	.endm
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#else
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# define _EXPAND_EXTABLE_HANDLE(x) #x
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# define _ASM_EXTABLE_HANDLE(from, to, handler)			\
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	" .pushsection \"__ex_table\",\"a\"\n"			\
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	" .balign 4\n"						\
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	" .long (" #from ") - .\n"				\
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	" .long (" #to ") - .\n"				\
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	" .long (" _EXPAND_EXTABLE_HANDLE(handler) ") - .\n"	\
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	" .popsection\n"
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# define _ASM_EXTABLE(from, to)					\
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	_ASM_EXTABLE_HANDLE(from, to, ex_handler_default)
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# define _ASM_EXTABLE_FAULT(from, to)				\
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	_ASM_EXTABLE_HANDLE(from, to, ex_handler_fault)
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# define _ASM_EXTABLE_EX(from, to)				\
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	_ASM_EXTABLE_HANDLE(from, to, ex_handler_ext)
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/* For C file, we already have NOKPROBE_SYMBOL macro */
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#endif
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#endif /* _ASM_X86_ASM_H */