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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /debug/memmove_chk.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'debug/memmove_chk.c')
-rw-r--r--debug/memmove_chk.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/debug/memmove_chk.c b/debug/memmove_chk.c
deleted file mode 100644
index f3b74d23d9..0000000000
--- a/debug/memmove_chk.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/* Copy memory to memory until the specified number of bytes
-   has been copied with error checking.  Overlap is handled correctly.
-   Copyright (C) 1991,1995,1996,1997,2003,2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Torbjorn Granlund (tege@sics.se).
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <string.h>
-#include <memcopy.h>
-#include <pagecopy.h>
-
-void *
-__memmove_chk (dest, src, len, destlen)
-     void *dest;
-     const void *src;
-     size_t len;
-     size_t 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;
-}