[uclibc-ng-devel] [PATCH] x86: Add vDSO support.

Signed-off-by: Dmitry Chestnykh <dm.chestnykh(a)gmail.com> --- extra/Configs/Config.i386 | 1 + ldso/ldso/i386/dl-syscalls.h | 28 ++++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/extra/Configs/Config.i386 b/extra/Configs/Config.i386 index c928ac1a2..c2a9a6e93 100644 --- a/extra/Configs/Config.i386 +++ b/extra/Configs/Config.i386 @@ -14,6 +14,7 @@ config FORCE_OPTIONS_FOR_ARCH select ARCH_HAS_MMU select ARCH_HAS_UCONTEXT select ARCH_HAS_DEPRECATED_SYSCALLS + select ARCH_VDSO_SUPPORT choice prompt "Target x86 Processor Family" diff --git a/ldso/ldso/i386/dl-syscalls.h b/ldso/ldso/i386/dl-syscalls.h index f40c4fd31..8f144ee28 100644 --- a/ldso/ldso/i386/dl-syscalls.h +++ b/ldso/ldso/i386/dl-syscalls.h @@ -1 +1,29 @@ +/* stub for arch-specific syscall issues/specific implementations */ + +#ifndef _DL_SYSCALLS_H +#define _DL_SYSCALLS_H + +#if defined(__VDSO_SUPPORT__) && !defined(UCLIBC_LDSO) + +#include "../dl-vdso-calls.h" + +static int __attribute__ ((used)) __x86_vdso_clock_gettime(clockid_t clock_id, struct timespec *tp); +static int __attribute__ ((used)) __x86_vdso_clock_gettime(clockid_t clock_id, struct timespec *tp) +{ + return __generic_vdso_clock_gettime(clock_id, tp); +} + +static int __attribute__ ((used)) __x86_vdso_gettimeofday(struct timeval *tv, __timezone_ptr_t tz); +static int __attribute__ ((used)) __x86_vdso_gettimeofday(struct timeval *tv, __timezone_ptr_t tz) +{ + return __generic_vdso_gettimeofday(tv, tz); +} + +#define ARCH_VDSO_GETTIMEOFDAY(tv, tz) __x86_vdso_gettimeofday(tv, tz) +#define ARCH_VDSO_CLOCK_GETTIME(clock_id, tp) __x86_vdso_clock_gettime(clock_id, tp) + +#endif /* defined(__VDSO_SUPPORT__) && !defined(UCLIBC_LDSO) */ + +#endif /* _DL_SYSCALLS_H */ + /* stub for arch-specific syscall issues */ -- 2.44.0