diff options
Diffstat (limited to 'include/libc-symbols.h')
| -rw-r--r-- | include/libc-symbols.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/libc-symbols.h b/include/libc-symbols.h index a2faeafb32..d53bcb9b77 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -1,7 +1,6 @@ /* Support macros for making weak and strong aliases for symbols, and for using symbol sets and linker warnings with GNU ld. - Copyright (C) 1995-1998,2000-2003,2004,2005,2006 - Free Software Foundation, Inc. + Copyright (C) 1995-1998, 2000-2006, 2008 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 @@ -835,4 +834,15 @@ for linking") # define compat_data_section .section ".data.compat", "aw"; #endif +/* Marker used for indirection function symbols. */ +#define libc_ifunc(name, expr) \ + extern void *name##_ifunc (void) __asm__ (#name); \ + void *name##_ifunc (void) \ + { \ + INIT_ARCH (); \ + __typeof (name) *res = expr; \ + return res; \ + } \ + __asm__ (".type " #name ", %gnu_indirect_function"); + #endif /* libc-symbols.h */ |