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-rw-r--r--linux-user/main.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/linux-user/main.c b/linux-user/main.c
index 798fdc0bce..47b0c0fc43 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -238,6 +238,14 @@ CPUArchState *cpu_copy(CPUArchState *env)
 
     new_cpu->tcg_cflags = cpu->tcg_cflags;
     memcpy(new_env, env, sizeof(CPUArchState));
+#if defined(TARGET_I386) || defined(TARGET_X86_64)
+    new_env->gdt.base = target_mmap(0, sizeof(uint64_t) * TARGET_GDT_ENTRIES,
+                                    PROT_READ | PROT_WRITE,
+                                    MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
+    memcpy(g2h_untagged(new_env->gdt.base), g2h_untagged(env->gdt.base),
+           sizeof(uint64_t) * TARGET_GDT_ENTRIES);
+    OBJECT(new_cpu)->free = OBJECT(cpu)->free;
+#endif
 
     /* Clone all break/watchpoints.
        Note: Once we support ptrace with hw-debug register access, make sure