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-rw-r--r--linux-user/syscall.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 07efda3009..9880549ec6 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -150,6 +150,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
#define __NR_sys_syslog __NR_syslog
#define __NR_sys_tgkill __NR_tgkill
#define __NR_sys_tkill __NR_tkill
+#define __NR_sys_unlinkat __NR_unlinkat
#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
#define __NR__llseek __NR_lseek
@@ -198,6 +199,9 @@ _syscall1(int,exit_group,int,error_code)
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
_syscall1(int,set_tid_address,int *,tidptr)
#endif
+#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
+_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
+#endif
extern int personality(int);
extern int flock(int, int);
@@ -2577,6 +2581,21 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
ret = get_errno(unlink(p));
unlock_user(p, arg1, 0);
break;
+#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
+ case TARGET_NR_unlinkat:
+ if (!arg2) {
+ ret = -EFAULT;
+ goto fail;
+ }
+ p = lock_user_string(arg2);
+ if (!access_ok(VERIFY_READ, p, 1))
+ ret = -EFAULT;
+ else
+ ret = get_errno(sys_unlinkat(arg1, p, arg3));
+ if (p)
+ unlock_user(p, arg2, 0);
+ break;
+#endif
case TARGET_NR_execve:
{
char **argp, **envp;