arch/x86/include/asm/frame.h

   1 #ifdef __ASSEMBLY__
   2
   3 #include <asm/asm.h>
   4
   5 /* The annotation hides the frame from the unwinder and makes it look
   6    like a ordinary ebp save/restore. This avoids some special cases for
   7    frame pointer later */
   8 #ifdef CONFIG_FRAME_POINTER
   9         .macro FRAME
  10         __ASM_SIZE(push,)       %__ASM_REG(bp)
  11         __ASM_SIZE(mov)         %__ASM_REG(sp), %__ASM_REG(bp)
  12         .endm
  13         .macro ENDFRAME
  14         __ASM_SIZE(pop,)        %__ASM_REG(bp)
  15         .endm
  16 #else
  17         .macro FRAME
  18         .endm
  19         .macro ENDFRAME
  20         .endm
  21 #endif
  22
  23 #endif  /*  __ASSEMBLY__  */