@@ -185,4 +185,38 @@ static inline abi_long do_freebsd___setugid(abi_long arg1)
return -TARGET_ENOSYS;
}
+/* fork(2) */
+static inline abi_long do_freebsd_fork(void *cpu_env)
+{
+ abi_long ret;
+ abi_ulong child_flag;
+
+ fork_start();
+ ret = fork();
+ if (ret == 0) {
+ /* child */
+ child_flag = 1;
+ target_cpu_clone_regs(cpu_env, 0);
+ } else {
+ /* parent */
+ child_flag = 0;
+ }
+
+ /*
+ * The fork system call sets a child flag in the second return
+ * value: 0 for parent process, 1 for child process.
+ */
+ set_second_rval(cpu_env, child_flag);
+
+ fork_end(child_flag);
+
+ return ret;
+}
+
+/* vfork(2) */
+static inline abi_long do_freebsd_vfork(void *cpu_env)
+{
+ return do_freebsd_fork(cpu_env);
+}
+
#endif /* BSD_USER_FREEBSD_OS_PROC_H */
@@ -226,6 +226,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
/*
* process system calls
*/
+ case TARGET_FREEBSD_NR_fork: /* fork(2) */
+ ret = do_freebsd_fork(cpu_env);
+ break;
+
+ case TARGET_FREEBSD_NR_vfork: /* vfork(2) */
+ ret = do_freebsd_vfork(cpu_env);
+ break;
+
case TARGET_FREEBSD_NR_execve: /* execve(2) */
ret = do_freebsd_execve(arg1, arg2, arg3);
break;