summary refs log tree commit diff
path: root/sysdeps/generic/dl-prop.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/dl-prop.h')
-rw-r--r--sysdeps/generic/dl-prop.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/generic/dl-prop.h b/sysdeps/generic/dl-prop.h
new file mode 100644
index 0000000000..a2b1d38c79
--- /dev/null
+++ b/sysdeps/generic/dl-prop.h
@@ -0,0 +1,54 @@
+/* Support for GNU properties.  Generic version.
+   Copyright (C) 2018 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/>.  */
+
+#ifndef _DL_PROP_H
+#define _DL_PROP_H
+
+/* The following functions are used by the dynamic loader and the
+   dlopen machinery to process PT_NOTE entries in the binary or
+   shared object.  The notes can be used to change the behaviour of
+   the loader, and as such offer a flexible mechanism for hooking in
+   various checks related to ABI tags or implementing "flag day" ABI
+   transitions.  */
+
+static inline void __attribute__ ((always_inline))
+_rtld_main_check (struct link_map *m, const char *program)
+{
+}
+
+static inline void __attribute__ ((always_inline))
+_dl_open_check (struct link_map *m)
+{
+}
+
+#ifdef FILEBUF_SIZE
+static inline int __attribute__ ((always_inline))
+_dl_process_pt_note (struct link_map *l, const ElfW(Phdr) *ph,
+		     int fd, struct filebuf *fbp)
+{
+  return 0;
+}
+#endif
+
+static inline int __attribute__ ((always_inline))
+_rtld_process_pt_note (struct link_map *l, const ElfW(Phdr) *ph)
+{
+  return 0;
+}
+
+#endif /* _DL_PROP_H */