| /* Resolve function pointers to VDSO functions. |
| Copyright (C) 2010-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. |
| |
| 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 _M68K_VDSO_H |
| #define _M68K_VDSO_H |
| |
| #ifdef SHARED |
| |
| # ifdef IS_IN_rtld |
| # define M68K_VDSO_SYMBOL(name) __rtld_##name |
| # define STR_M68K_VDSO_SYMBOL(name) "__rtld_" #name |
| # else |
| # define M68K_VDSO_SYMBOL(name) name |
| # define STR_M68K_VDSO_SYMBOL(name) #name |
| # endif |
| |
| # ifndef __ASSEMBLER__ |
| |
| /* We define __rtld_* copies for rtld. |
| We need them visible in libc to initialize. */ |
| # if defined IS_IN_rtld || !defined NOT_IN_libc |
| extern void *__rtld___vdso_read_tp; |
| extern void *__rtld___vdso_atomic_cmpxchg_32; |
| extern void *__rtld___vdso_atomic_barrier; |
| |
| /* These stubs are meant to be invoked only from the assembly. */ |
| extern void __vdso_read_tp_stub (void); |
| extern void __vdso_atomic_cmpxchg_32_stub (void); |
| extern void __vdso_atomic_barrier_stub (void); |
| # endif /* IS_IN_rtld || !NOT_IN_libc */ |
| |
| /* RTLD should only use its own copies. */ |
| # ifndef IS_IN_rtld |
| extern void *__vdso_read_tp; |
| extern void *__vdso_atomic_cmpxchg_32; |
| extern void *__vdso_atomic_barrier; |
| # endif /* !IS_IN_rtld */ |
| |
| # endif /* !__ASSEMBLER__ */ |
| |
| #endif /* SHARED */ |
| |
| #endif /* _M68K_VDSO_H */ |
