include/asm-x86/asm.h

   1 #ifndef _ASM_X86_ASM_H
   2 #define _ASM_X86_ASM_H
   3
   4 #ifdef __ASSEMBLY__
   5 # define __ASM_FORM(x)  x
   6 #else
   7 # define __ASM_FORM(x)  " " #x " "
   8 #endif
   9
  10 #ifdef CONFIG_X86_32
  11 # define __ASM_SEL(a,b) __ASM_FORM(a)
  12 #else
  13 # define __ASM_SEL(a,b) __ASM_FORM(b)
  14 #endif
  15
  16 #define __ASM_SIZE(inst)        __ASM_SEL(inst##l, inst##q)
  17 #define __ASM_REG(reg)          __ASM_SEL(e##reg, r##reg)
  18
  19 #define _ASM_PTR        __ASM_SEL(.long, .quad)
  20 #define _ASM_ALIGN      __ASM_SEL(.balign 4, .balign 8)
  21 #define _ASM_MOV_UL     __ASM_SIZE(mov)
  22
  23 #define _ASM_INC        __ASM_SIZE(inc)
  24 #define _ASM_DEC        __ASM_SIZE(dec)
  25 #define _ASM_ADD        __ASM_SIZE(add)
  26 #define _ASM_SUB        __ASM_SIZE(sub)
  27 #define _ASM_XADD       __ASM_SIZE(xadd)
  28 #define _ASM_AX         __ASM_REG(ax)
  29 #define _ASM_DX         __ASM_REG(dx)
  30
  31 /* Exception table entry */
  32 # define _ASM_EXTABLE(from,to) \
  33         " .section __ex_table,\"a\"\n" \
  34         _ASM_ALIGN "\n" \
  35         _ASM_PTR #from "," #to "\n" \
  36         " .previous\n"
  37
  38 #endif /* _ASM_X86_ASM_H */