about summary refs log tree commit diff
path: root/sysdeps/generic
diff options
context:
space:
mode:
authorJoseph Myers <joseph@codesourcery.com>2013-02-01 00:06:18 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-02-01 00:06:18 +0000
commit3a7ac8a0f596bb73093212cd1109c1413777e1f8 (patch)
tree9c64740adc4772cffb095959028506a98f604eec /sysdeps/generic
parentf3499f95c8610364264479d42d455a79f15c4c86 (diff)
downloadglibc-3a7ac8a0f596bb73093212cd1109c1413777e1f8.tar.gz
glibc-3a7ac8a0f596bb73093212cd1109c1413777e1f8.tar.xz
glibc-3a7ac8a0f596bb73093212cd1109c1413777e1f8.zip
Remove bp-start.h and INIT_ARGV_and_ENVIRON.
Diffstat (limited to 'sysdeps/generic')
-rw-r--r--sysdeps/generic/bp-start.h71
1 files changed, 0 insertions, 71 deletions
diff --git a/sysdeps/generic/bp-start.h b/sysdeps/generic/bp-start.h
deleted file mode 100644
index 069d616d2a..0000000000
--- a/sysdeps/generic/bp-start.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* Bounded-pointer checking macros for C.
-   Copyright (C) 2000-2013 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Greg McGary <greg@mcgary.org>
-
-   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, see
-   <http://www.gnu.org/licenses/>.  */
-
-
-#if __BOUNDED_POINTERS__
-
-  /* The command-line arg vector and environment vector come to us from
-     the OS as an unbounded pointer to an array of unbounded strings.
-     The user's main expects argv and __environ to be bounded pointers
-     to arrays of bounded strings.  */
-# define INIT_ARGV_and_ENVIRON \
-  do {									      \
-    int envc;								      \
-    for (envc = 0; *ubp_ev; ubp_ev++, envc++)				      \
-      ;									      \
-    ubp_ev -= envc;							      \
-									      \
-    /* GKM FIXME: we could save some space by allocating only enough for      \
-       the additional low & high words, and destructively rewriting	      \
-       argv in place.  */						      \
-    __ptrvalue (argv) = __ptrlow (argv)					      \
-      = alloca ((argc + envc + 2) * sizeof (*argv));			      \
-    __ptrhigh (argv) = __ptrvalue (argv) + argc + 1;			      \
-    __ptrvalue (__environ) = __ptrlow (__environ) = __ptrhigh (argv);	      \
-    __ptrhigh (__environ) = __ptrvalue (__environ) + envc + 1;		      \
-    boundify_vector (__environ, ubp_ev);				      \
-    boundify_vector (argv, ubp_av);					      \
-  } while (0)
-
-
-/* Copy an unbounded vector of unbounded strings into a bounded
-   counterpart.  */
-
-static void
-boundify_vector (char **dest, char *__unbounded *__unbounded src)
-{
-  char *__unbounded s;
-  for (; *src; src++, dest++)
-    {
-      __ptrvalue (*dest) = __ptrlow (*dest) = *src;
-      __ptrhigh (*dest) = src[1];
-    }
-  *dest = 0;
-  /* The OS lays out strings contiguously in vector order,
-     so  */
-  for (s = __ptrvalue (dest[-1]); *s; s++)
-    ;
-  __ptrhigh (dest[-1]) = ++s;
-}
-
-#else
-
-# define INIT_ARGV_and_ENVIRON __environ = ubp_ev
-
-#endif