Fix xhook cannot hook app_process

Co-authored-by: canyie <31466456+canyie@users.noreply.github.com>
Co-authored-by: John Wu <topjohnwu@gmail.com>

native/jni/external/libxhook/xhook.c

@@ -0,0 +1,56 @@
+// Copyright (c) 2018-present, iQIYI, Inc. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+
+// Created by caikelun on 2018-04-11.
+
+#include "xh_core.h"
+#include "xhook.h"
+
+int xhook_register(const char *pathname_regex_str, const char *symbol,
+                   void *new_func, void **old_func)
+{
+    return xh_core_register(pathname_regex_str, symbol, new_func, old_func);
+}
+
+int xhook_ignore(const char *pathname_regex_str, const char *symbol)
+{
+    return xh_core_ignore(pathname_regex_str, symbol);
+}
+
+int xhook_refresh(int async)
+{
+    return xh_core_refresh(async);
+}
+
+void xhook_clear()
+{
+    return xh_core_clear();
+}
+
+void xhook_enable_debug(int flag)
+{
+    return xh_core_enable_debug(flag);
+}
+
+void xhook_enable_sigsegv_protection(int flag)
+{
+    return xh_core_enable_sigsegv_protection(flag);
+}