[PATCH 09/14] bsd-user: Implement exterrctl(2)

[Warner Losh]

Signed-off-by: Warner Losh <i...@bsdimp.com>
---
 bsd-user/freebsd/os-misc.h    | 16 ++++++++++++++++
 bsd-user/freebsd/os-syscall.c |  6 ++++++
 2 files changed, 22 insertions(+)

diff --git a/bsd-user/freebsd/os-misc.h b/bsd-user/freebsd/os-misc.h
index e9f9eed4b4..7e8c29fe84 100644
--- a/bsd-user/freebsd/os-misc.h
+++ b/bsd-user/freebsd/os-misc.h
@@ -9,6 +9,9 @@
 #define OS_MISC_H
 
 #include <sys/cpuset.h>
+#ifdef TARGET_FREEBSD_NR_exterrctl
+#include <sys/exterrvar.h>
+#endif
 #include <sys/random.h>
 #include <sched.h>
 #include <kenv.h>
@@ -541,4 +544,17 @@ static inline abi_long do_freebsd_kenv(abi_long action, 
abi_ulong name,
     return ret;
 }
 
+#ifdef TARGET_FREEBSD_NR_exterrctl
+static inline abi_long do_freebsd_exterrctl(abi_long op, abi_long flags, 
abi_long ptr)
+{
+    void *hostptr = 0;
+
+    if (op == EXTERRCTL_ENABLE) {
+        hostptr = g2h_untagged(ptr);
+    }
+
+    return get_errno(exterrctl(op, flags, hostptr));
+}
+#endif
+
 #endif /* OS_MISC_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 38dc87f745..eb510bcab9 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -1592,6 +1592,12 @@ static abi_long freebsd_syscall(CPUArchState *env, int 
num, abi_long arg1,
         ret = do_freebsd_kenv(arg1, arg2, arg3, arg4);
         break;
 
+#ifdef TARGET_FREEBSD_NR_exterrctl
+    case TARGET_FREEBSD_NR_exterrctl:
+        ret = do_freebsd_exterrctl(arg1, arg2, arg3);
+        break;
+#endif
+
     /* XXX */
     case TARGET_FREEBSD_NR_cap_rights_limit:
     case TARGET_FREEBSD_NR_cap_ioctls_limit:

-- 
2.55.0