update find vdso_info: reutrn only find vdso_info at first time

Signed-off-by: N guzhihao4 <guzhihao4@huawei.com>

update find vdso_info: reutrn only find vdso_info at first time
Signed-off-by: N guzhihao4 <guzhihao4@huawei.com>
4c49b070 · guzhihao4 · 49adc74b · 4c49b070
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porting/linux/user/src/internal/vdso.c porting/linux/user/src/internal/vdso.c +3 -0

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--- a/porting/linux/user/src/internal/vdso.c
+++ b/porting/linux/user/src/internal/vdso.c
@@ -66,6 +66,9 @@ struct __vdso_info {

 void __get_vdso_info()
 {
+	if (vdso_info.base != -1) {
+		return ;
+	}
 	size_t i;
 	for (i=0; libc.auxv[i] != AT_SYSINFO_EHDR; i+=2)
 		if (!libc.auxv[i]) return ;