Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ] 
  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 %ebp
 11         CFI_ADJUST_CFA_OFFSET 4
 12         CFI_REL_OFFSET ebp,0
 13         movl %esp,%ebp
 14         .endm
 15         .macro ENDFRAME
 16         popl %ebp
 17         CFI_ADJUST_CFA_OFFSET -4
 18         CFI_RESTORE ebp
 19         .endm
 20 #else
 21         .macro FRAME
 22         .endm
 23         .macro ENDFRAME
 24         .endm
 25 #endif
 26 
 27 #endif  /*  __ASSEMBLY__  */
 28
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