projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 93c65d43 | 1 | /* Initialization code run first thing by the ELF startup code. Linux/PowerPC. |
| d614a753 | 2 | Copyright (C) 2007-2020 Free Software Foundation, Inc. |
| 8c2e201b UD |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 59ba27a6 | 16 | License along with the GNU C Library; if not, see |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| 8c2e201b | 18 | |
| 8ae74ead RÁE |
19 | #include <dl-vdso.h> |
| 20 | #include <libc-vdso.h> | |
| 8c2e201b | 21 | |
| b8a7c7da | 22 | unsigned long long (*VDSO_SYMBOL(get_tbfreq)) (void) attribute_hidden; |
| d400dcac | 23 | #if defined(__PPC64__) || defined(__powerpc64__) |
| b8a7c7da | 24 | void *VDSO_SYMBOL(sigtramp_rt64) attribute_hidden; |
| d400dcac | 25 | #else |
| b8a7c7da AZ |
26 | void *VDSO_SYMBOL(sigtramp32) attribute_hidden; |
| 27 | void *VDSO_SYMBOL(sigtramp_rt32) attribute_hidden; | |
| d400dcac | 28 | #endif |
| 75fb247e UD |
29 | |
| 30 | static inline void | |
| b8a7c7da | 31 | __libc_vdso_platform_setup_arch (void) |
| 75fb247e | 32 | { |
| b8a7c7da | 33 | VDSO_SYMBOL (get_tbfreq) = get_vdso_mangle_symbol (HAVE_GET_TBFREQ); |
| d400dcac AZ |
34 | |
| 35 | /* PPC64 uses only one signal trampoline symbol, while PPC32 will use | |
| 36 | two depending if SA_SIGINFO is used (__kernel_sigtramp_rt32) or not | |
| f534255e AZ |
37 | (__kernel_sigtramp32). |
| 38 | There is no need to pointer mangle these symbol because they will | |
| 39 | used only for pointer comparison. */ | |
| d400dcac | 40 | #if defined(__PPC64__) || defined(__powerpc64__) |
| b8a7c7da | 41 | VDSO_SYMBOL(sigtramp_rt64) = get_vdso_symbol (HAVE_SIGTRAMP_RT64); |
| d400dcac | 42 | #else |
| b8a7c7da AZ |
43 | VDSO_SYMBOL(sigtramp32) = get_vdso_symbol (HAVE_SIGTRAMP_32); |
| 44 | VDSO_SYMBOL(sigtramp_rt32) = get_vdso_symbol (HAVE_SIGTRAMP_RT32); | |
| d400dcac | 45 | #endif |
| 75fb247e UD |
46 | } |
| 47 | ||
| b8a7c7da | 48 | #define VDSO_SETUP_ARCH __libc_vdso_platform_setup_arch |
| 75fb247e | 49 | |
| b8a7c7da | 50 | #include <sysdeps/unix/sysv/linux/init-first.c> |