arch/x86/include/asm/frame.h

   1 #ifdef __ASSEMBLY__
   2
   3 #include <asm/dwarf2.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         pushl_cfi %ebp
  11         CFI_REL_OFFSET ebp,0
  12         movl %esp,%ebp
  13         .endm
  14         .macro ENDFRAME
  15         popl_cfi %ebp
  16         CFI_RESTORE ebp
  17         .endm
  18 #else
  19         .macro FRAME
  20         .endm
  21         .macro ENDFRAME
  22         .endm
  23 #endif
  24
  25 #endif  /*  __ASSEMBLY__  */