Refactor several debug routines.

To simplify additions of debug routines we replace a custom function
implementation by a simple call.

1 files changed, 1 insertions, 62 deletions

diff --git a/debug/memmove_chk.c b/debug/memmove_chk.c
index 3ea34c6d04..6337e76ec2 100644
--- a/debug/memmove_chk.c
+++ b/debug/memmove_chk.c
@@ -36,66 +36,5 @@ MEMMOVE_CHK (dest, src, len, destlen)
   if (__builtin_expect (destlen < len, 0))
     __chk_fail ();
 
-  unsigned long int dstp = (long int) dest;
-  unsigned long int srcp = (long int) src;
-
-  /* This test makes the forward copying code be used whenever possible.
-     Reduces the working set.  */
-  if (dstp - srcp >= len)	/* *Unsigned* compare!  */
-    {
-      /* Copy from the beginning to the end.  */
-
-      /* If there not too few bytes to copy, use word copy.  */
-      if (len >= OP_T_THRES)
-	{
-	  /* Copy just a few bytes to make DSTP aligned.  */
-	  len -= (-dstp) % OPSIZ;
-	  BYTE_COPY_FWD (dstp, srcp, (-dstp) % OPSIZ);
-
-	  /* Copy whole pages from SRCP to DSTP by virtual address
-	     manipulation, as much as possible.  */
-
-	  PAGE_COPY_FWD_MAYBE (dstp, srcp, len, len);
-
-	  /* Copy from SRCP to DSTP taking advantage of the known
-	     alignment of DSTP.  Number of bytes remaining is put
-	     in the third argument, i.e. in LEN.  This number may
-	     vary from machine to machine.  */
-
-	  WORD_COPY_FWD (dstp, srcp, len, len);
-
-	  /* Fall out and copy the tail.  */
-	}
-
-      /* There are just a few bytes to copy.  Use byte memory operations.  */
-      BYTE_COPY_FWD (dstp, srcp, len);
-    }
-  else
-    {
-      /* Copy from the end to the beginning.  */
-      srcp += len;
-      dstp += len;
-
-      /* If there not too few bytes to copy, use word copy.  */
-      if (len >= OP_T_THRES)
-	{
-	  /* Copy just a few bytes to make DSTP aligned.  */
-	  len -= dstp % OPSIZ;
-	  BYTE_COPY_BWD (dstp, srcp, dstp % OPSIZ);
-
-	  /* Copy from SRCP to DSTP taking advantage of the known
-	     alignment of DSTP.  Number of bytes remaining is put
-	     in the third argument, i.e. in LEN.  This number may
-	     vary from machine to machine.  */
-
-	  WORD_COPY_BWD (dstp, srcp, len, len);
-
-	  /* Fall out and copy the tail.  */
-	}
-
-      /* There are just a few bytes to copy.  Use byte memory operations.  */
-      BYTE_COPY_BWD (dstp, srcp, len);
-    }
-
-  return dest;
+  return memmove (dest, src, len);
 }