[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH] helper_syscall x86_64: clear exception_is_int
From: |
Douglas Crosher |
Subject: |
[PATCH] helper_syscall x86_64: clear exception_is_int |
Date: |
Tue, 22 Sep 2020 14:17:56 +1000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 |
The exception_is_int flag may be set on entry to helper_syscall,
e.g. after a prior interrupt that has returned, and processing
EXCP_SYSCALL as an interrupt causes it to fail so clear this flag.
Signed-off-by: Douglas Crosher <dtc-ubuntu@scieneer.com>
---
target/i386/seg_helper.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/target/i386/seg_helper.c b/target/i386/seg_helper.c
index b96de068ca..be88938c2a 100644
--- a/target/i386/seg_helper.c
+++ b/target/i386/seg_helper.c
@@ -975,6 +975,7 @@ void helper_syscall(CPUX86State *env, int
next_eip_addend)
CPUState *cs = env_cpu(env);
cs->exception_index = EXCP_SYSCALL;
+ env->exception_is_int = 0;
env->exception_next_eip = env->eip + next_eip_addend;
cpu_loop_exit(cs);
}
--
2.25.4
- [PATCH] helper_syscall x86_64: clear exception_is_int,
Douglas Crosher <=