projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 40111cb9 | 1 | /* Resolve function pointers to VDSO functions. |
| d4697bc9 | 2 | Copyright (C) 2010-2014 Free Software Foundation, Inc. |
| 40111cb9 MK |
3 | This file is part of the GNU C Library. |
| 4 | Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. | |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Lesser General Public | |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | Lesser General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Lesser General Public | |
| ab84e3ff PE |
17 | License along with the GNU C Library. If not, see |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 40111cb9 MK |
19 | |
| 20 | ||
| 21 | #ifndef _M68K_VDSO_H | |
| 22 | #define _M68K_VDSO_H | |
| 23 | ||
| 24 | #ifdef SHARED | |
| 25 | ||
| a3848485 | 26 | # if IS_IN (rtld) |
| 40111cb9 MK |
27 | # define M68K_VDSO_SYMBOL(name) __rtld_##name |
| 28 | # define STR_M68K_VDSO_SYMBOL(name) "__rtld_" #name | |
| 29 | # else | |
| 30 | # define M68K_VDSO_SYMBOL(name) name | |
| 31 | # define STR_M68K_VDSO_SYMBOL(name) #name | |
| 32 | # endif | |
| 33 | ||
| 34 | # ifndef __ASSEMBLER__ | |
| 35 | ||
| 36 | /* We define __rtld_* copies for rtld. | |
| 37 | We need them visible in libc to initialize. */ | |
| a3848485 | 38 | # if IS_IN (rtld) || !defined NOT_IN_libc |
| 40111cb9 MK |
39 | extern void *__rtld___vdso_read_tp; |
| 40 | extern void *__rtld___vdso_atomic_cmpxchg_32; | |
| 41 | extern void *__rtld___vdso_atomic_barrier; | |
| 42 | ||
| 43 | /* These stubs are meant to be invoked only from the assembly. */ | |
| 44 | extern void __vdso_read_tp_stub (void); | |
| 45 | extern void __vdso_atomic_cmpxchg_32_stub (void); | |
| 46 | extern void __vdso_atomic_barrier_stub (void); | |
| a3848485 | 47 | # endif /* IS_IN (rtld) || !NOT_IN_libc */ |
| 40111cb9 MK |
48 | |
| 49 | /* RTLD should only use its own copies. */ | |
| a3848485 | 50 | # if !IS_IN (rtld) |
| 40111cb9 MK |
51 | extern void *__vdso_read_tp; |
| 52 | extern void *__vdso_atomic_cmpxchg_32; | |
| 53 | extern void *__vdso_atomic_barrier; | |
| a3848485 | 54 | # endif /* !IS_IN (rtld) */ |
| 40111cb9 MK |
55 | |
| 56 | # endif /* !__ASSEMBLER__ */ | |
| 57 | ||
| 58 | #endif /* SHARED */ | |
| 59 | ||
| 60 | #endif /* _M68K_VDSO_H */ |