1 files changed, 122 insertions, 0 deletions
diff --git a/elf/dl-misc.c b/elf/dl-misc.c
new file mode 100644
index 0000000000..d5b1464a6b
--- /dev/null
+++ b/elf/dl-misc.c
@@ -0,0 +1,122 @@
+/* Miscellaneous support functions for dynamic linker
+   Copyright (C) 1997 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <assert.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdarg.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+
+#ifndef MAP_ANON
+/* This is the only dl-sysdep.c function that is actually needed at run-time
+   by _dl_map_object.  */
+
+int
+_dl_sysdep_open_zero_fill (void)
+{
+  return __open ("/dev/zero", O_RDONLY);
+}
+#endif
+
+/* Read the whole contents of FILE into new mmap'd space with given
+   protections.  *SIZEP gets the size of the file.  */
+
+void *
+_dl_sysdep_read_whole_file (const char *file, size_t *sizep, int prot)
+{
+  void *result;
+  struct stat st;
+  int fd = __open (file, O_RDONLY);
+  if (fd < 0)
+    return NULL;
+  if (__fxstat (_STAT_VER, fd, &st) < 0)
+    result = NULL;
+  else
+    {
+      /* Map a copy of the file contents.  */
+      result = __mmap (0, st.st_size, prot,
+#ifdef MAP_COPY
+                       MAP_COPY
+#else
+                       MAP_PRIVATE
+#endif
+#ifdef MAP_FILE
+                       | MAP_FILE
+#endif
+                       , fd, 0);
+      if (result == (void *) -1)
+        result = NULL;
+      else
+        *sizep = st.st_size;
+    }
+  __close (fd);
+  return result;
+}
+
+
+void
+_dl_sysdep_fatal (const char *msg, ...)
+{
+  va_list ap;
+
+  va_start (ap, msg);
+  do
+    {
+      size_t len = strlen (msg);
+      __write (STDERR_FILENO, msg, len);
+      msg = va_arg (ap, const char *);
+    } while (msg);
+  va_end (ap);
+
+  _exit (127);
+}
+
+
+void
+_dl_sysdep_error (const char *msg, ...)
+{
+  va_list ap;
+
+  va_start (ap, msg);
+  do
+    {
+      size_t len = strlen (msg);
+      __write (STDERR_FILENO, msg, len);
+      msg = va_arg (ap, const char *);
+    } while (msg);
+  va_end (ap);
+}
+
+
+void
+_dl_sysdep_message (const char *msg, ...)
+{
+  va_list ap;
+
+  va_start (ap, msg);
+  do
+    {
+      size_t len = strlen (msg);
+      __write (STDOUT_FILENO, msg, len);
+      msg = va_arg (ap, const char *);
+    } while (msg);
+  va_end (ap);
+}