linux-user: Enable NPTL for x86-64

Add x86-64 implementation of cpu_set_tls() (like the kernel, we
just have to call do_arch_prctl() to set FS); this allows us to
enable NPTL.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
Peter Maydell 2013-07-16 18:44:59 +01:00 committed by Riku Voipio
parent bc22eb447c
commit 2667e71c3d
3 changed files with 8 additions and 2 deletions

View file

@ -36,6 +36,13 @@ static inline void cpu_set_tls(CPUX86State *env, target_ulong newtls)
do_set_thread_area(env, newtls);
cpu_x86_load_seg(env, R_GS, env->segs[R_GS].selector);
}
#else
abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr);
static inline void cpu_set_tls(CPUX86State *env, target_ulong newtls)
{
do_arch_prctl(env, TARGET_ARCH_SET_FS, newtls);
}
#endif /* defined(TARGET_ABI32) */
#endif /* !defined(TARGET_CPU_H) */