From: Chen Gang <chengang@emindsoft.com.cn>
It is a temporary fix for thread LTS which need switch the ldt related
index in gdt table for stable-4.1 branch.
Welcome anyone providing the complete fix.
Signed-off-by: Chen Gang <chengang@emindsoft.com.cn>
---
linux-user/main.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/linux-user/main.c b/linux-user/main.c
index 8ffc525195..cad261fc7b 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -194,12 +194,17 @@ CPUArchState *cpu_copy(CPUArchState *env)
CPUArchState *new_env = new_cpu->env_ptr;
CPUBreakpoint *bp;
CPUWatchpoint *wp;
+ int size = sizeof(uint64_t) * TARGET_GDT_ENTRIES;
/* Reset non arch specific state */
cpu_reset(new_cpu);
memcpy(new_env, env, sizeof(CPUArchState));
+ new_env->gdt.base = target_mmap(0, size, PROT_READ | PROT_WRITE,
+ MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
+ memcpy(g2h(new_env->gdt.base), g2h(env->gdt.base), size);
+
/* Clone all break/watchpoints.
Note: Once we support ptrace with hw-debug register access, make sure
BP_CPU break/watchpoints are handled correctly on clone. */
--
2.24.0.308.g228f53135a