59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
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#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_COMMA(x) x,
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# define __ASM_EX_SEC .section __ex_table, "a"
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#else
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# define __ASM_FORM(x) " " #x " "
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# define __ASM_FORM_COMMA(x) " " #x ","
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# define __ASM_EX_SEC " .section __ex_table,\"a\"\n"
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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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#else
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# define __ASM_SEL(a,b) __ASM_FORM(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(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(from,to) \
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__ASM_EX_SEC ; \
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_ASM_ALIGN ; \
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_ASM_PTR from , to ; \
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.previous
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#else
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# define _ASM_EXTABLE(from,to) \
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__ASM_EX_SEC \
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_ASM_ALIGN "\n" \
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_ASM_PTR #from "," #to "\n" \
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" .previous\n"
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#endif
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#endif /* _ASM_X86_ASM_H */
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