projects / userspace-rcu.git / blame
| Commit | Line | Data |
|---|---|---|
| d3d3857f MJ |
1 | // SPDX-FileCopyrightText: 2010 Paul E. McKenney, IBM Corporation. |
| 2 | // SPDX-FileCopyrightText: 2009-2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 3 | // | |
| 4 | // SPDX-License-Identifier: LGPL-2.1-or-later | |
| 5 | ||
| 3aea2ae0 MD |
6 | #ifndef _URCU_ARCH_AARCH64_H |
| 7 | #define _URCU_ARCH_AARCH64_H | |
| 8 | ||
| 9 | /* | |
| 10 | * arch/aarch64.h: definitions for aarch64 architecture | |
| 3aea2ae0 MD |
11 | */ |
| 12 | ||
| 13 | #include <urcu/compiler.h> | |
| 14 | #include <urcu/config.h> | |
| 15 | #include <urcu/syscall-compat.h> | |
| 16 | ||
| 17 | #ifdef __cplusplus | |
| 18 | extern "C" { | |
| 19 | #endif | |
| 20 | ||
| 21 | #include <stdlib.h> | |
| 22 | #include <sys/time.h> | |
| 23 | ||
| 3aea2ae0 | 24 | /* |
| 84f4ccb4 MD |
25 | * On Linux, define the membarrier system call number if not yet available in |
| 26 | * the system headers. aarch64 implements asm-generic/unistd.h system call | |
| 3aea2ae0 MD |
27 | * numbers. |
| 28 | */ | |
| 84f4ccb4 | 29 | #if (defined(__linux__) && !defined(__NR_membarrier)) |
| 3aea2ae0 MD |
30 | #define __NR_membarrier 283 |
| 31 | #endif | |
| 32 | ||
| ddec79fd MD |
33 | /* |
| 34 | * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63293 | |
| ae0b76db MJ |
35 | * |
| 36 | * Backported in RHEL7 gcc 4.8.5-11 | |
| ddec79fd | 37 | */ |
| ae0b76db MJ |
38 | #if defined(URCU_GCC_VERSION) && defined(__GNUC_RH_RELEASE__) |
| 39 | # if (URCU_GCC_VERSION == 40805) && (__GNUC_RH_RELEASE__ >= 11) | |
| 40 | # define URCU_GCC_PATCHED_63293 | |
| 41 | # endif | |
| 42 | #endif | |
| 43 | ||
| ddec79fd | 44 | #ifdef URCU_GCC_VERSION |
| ae0b76db | 45 | # if URCU_GCC_VERSION < 50100 && !defined(URCU_GCC_PATCHED_63293) |
| ddec79fd MD |
46 | # error Your gcc version performs unsafe access to deallocated stack |
| 47 | # endif | |
| 48 | #endif | |
| 49 | ||
| e8363ee3 MD |
50 | #define caa_cpu_relax() __asm__ __volatile__ ("yield" : : : "memory") |
| 51 | ||
| 3aea2ae0 MD |
52 | #ifdef __cplusplus |
| 53 | } | |
| 54 | #endif | |
| 55 | ||
| 56 | #include <urcu/arch/generic.h> | |
| 57 | ||
| 58 | #endif /* _URCU_ARCH_AARCH64_H */ |