glibc/sysdeps/generic/dl-prop.h

55 lines
1.7 KiB
C

/* Support for GNU properties. Generic version.
Copyright (C) 2018-2020 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
<https://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 */