1 files changed, 59 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/generic/dl-osinfo.h b/REORG.TODO/sysdeps/generic/dl-osinfo.h
new file mode 100644
index 0000000000..cdee4124d4
--- /dev/null
+++ b/REORG.TODO/sysdeps/generic/dl-osinfo.h
@@ -0,0 +1,59 @@
+/* Operating system specific code for generic dynamic loader functions.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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/>.  */
+
+#include <endian.h>
+#include <stdint.h>
+
+static inline uintptr_t __attribute__ ((always_inline))
+_dl_setup_stack_chk_guard (void *dl_random)
+{
+  union
+  {
+    uintptr_t num;
+    unsigned char bytes[sizeof (uintptr_t)];
+  } ret = { 0 };
+
+  if (dl_random == NULL)
+    {
+      ret.bytes[sizeof (ret) - 1] = 255;
+      ret.bytes[sizeof (ret) - 2] = '\n';
+    }
+  else
+    {
+      memcpy (ret.bytes, dl_random, sizeof (ret));
+#if BYTE_ORDER == LITTLE_ENDIAN
+      ret.num &= ~(uintptr_t) 0xff;
+#elif BYTE_ORDER == BIG_ENDIAN
+      ret.num &= ~((uintptr_t) 0xff << (8 * (sizeof (ret) - 1)));
+#else
+# error "BYTE_ORDER unknown"
+#endif
+    }
+  return ret.num;
+}
+
+static inline uintptr_t __attribute__ ((always_inline))
+_dl_setup_pointer_guard (void *dl_random, uintptr_t stack_chk_guard)
+{
+  uintptr_t ret;
+  if (dl_random == NULL)
+    ret = stack_chk_guard;
+  else
+    memcpy (&ret, (char *) dl_random + sizeof (ret), sizeof (ret));
+  return ret;
+}