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[Qemu-devel] [PATCH 6/9] linux-user: Add i386 TLS setter
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PATCH 6/9] linux-user: Add i386 TLS setter |
Date: |
Sat, 6 Jul 2013 14:17:54 +0200 |
We can easily set the TLS on i386. Add code to do so.
Signed-off-by: Alexander Graf <address@hidden>
---
linux-user/i386/target_cpu.h | 12 ++++++++++--
linux-user/syscall.c | 2 +-
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/linux-user/i386/target_cpu.h b/linux-user/i386/target_cpu.h
index abcac79..1170d84 100644
--- a/linux-user/i386/target_cpu.h
+++ b/linux-user/i386/target_cpu.h
@@ -28,6 +28,14 @@ static inline void cpu_clone_regs(CPUX86State *env,
target_ulong newsp)
env->regs[R_EAX] = 0;
}
-/* TODO: need to implement cpu_set_tls() */
+#if defined(TARGET_ABI32)
+abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr);
-#endif
+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);
+}
+#endif /* defined(TARGET_ABI32) */
+
+#endif /* !defined(TARGET_CPU_H) */
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 8eb5c31..e7d5143 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -3983,7 +3983,7 @@ static abi_long do_modify_ldt(CPUX86State *env, int func,
abi_ulong ptr,
}
#if defined(TARGET_I386) && defined(TARGET_ABI32)
-static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
+abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
{
uint64_t *gdt_table = g2h(env->gdt.base);
struct target_modify_ldt_ldt_s ldt_info;
--
1.6.0.2
- [Qemu-devel] [PATCH 0/9] Wine enablement patch set v2, Alexander Graf, 2013/07/06
- [Qemu-devel] [PATCH 7/9] linux-user: Enable NPTL for i386, Alexander Graf, 2013/07/06
- [Qemu-devel] [PATCH 6/9] linux-user: Add i386 TLS setter,
Alexander Graf <=
- [Qemu-devel] [PATCH 3/9] linux-user: Reset copied CPUs in cpu_copy() always, Alexander Graf, 2013/07/06
- [Qemu-devel] [PATCH 2/9] user-exec.c: Set is_write correctly in the ARM cpu_signal_handler(), Alexander Graf, 2013/07/06
- [Qemu-devel] [PATCH 8/9] linux-user: Default to 64k guest base, Alexander Graf, 2013/07/06
- [Qemu-devel] [PATCH 1/9] linux-user: fix segmentation fault passing with h2g(x) != x, Alexander Graf, 2013/07/06
- [Qemu-devel] [PATCH 5/9] linux-user: Fix epoll on ARM hosts, Alexander Graf, 2013/07/06
- [Qemu-devel] [PATCH 9/9] linux-user: Unlock mmap_lock when resuming guest from page_unprotect, Alexander Graf, 2013/07/06
- [Qemu-devel] [PATCH 4/9] linux-user: Clean up sendrecvmsg message parsing, Alexander Graf, 2013/07/06