1 files changed, 87 insertions, 0 deletions
diff --git a/lib/asan/asan_mac.h b/lib/asan/asan_mac.h
new file mode 100644
index 000000000000..32739e766cc7
--- /dev/null
+++ b/lib/asan/asan_mac.h
@@ -0,0 +1,87 @@
+//===-- asan_mac.h ----------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of AddressSanitizer, an address sanity checker.
+//
+// ASan-private header for asan_mac.cc
+//===----------------------------------------------------------------------===//
+#ifdef __APPLE__
+
+#ifndef ASAN_MAC_H
+#define ASAN_MAC_H
+
+#include "asan_interceptors.h"
+
+// TODO(glider): need to check if the OS X version is 10.6 or greater.
+#include <dispatch/dispatch.h>
+#include <setjmp.h>
+
+typedef void* pthread_workqueue_t;
+typedef void* pthread_workitem_handle_t;
+
+typedef void (*dispatch_function_t)(void *block);
+typedef void* (*worker_t)(void *block);
+typedef int (*dispatch_async_f_f)(dispatch_queue_t dq, void *ctxt,
+                                  dispatch_function_t func);
+typedef int (*dispatch_sync_f_f)(dispatch_queue_t dq, void *ctxt,
+                                  dispatch_function_t func);
+typedef int (*dispatch_after_f_f)(dispatch_time_t when,
+                                  dispatch_queue_t dq, void *ctxt,
+                                  dispatch_function_t func);
+typedef void (*dispatch_barrier_async_f_f)(dispatch_queue_t dq,
+                                           void *ctxt,
+                                           dispatch_function_t func);
+typedef void (*dispatch_group_async_f_f)(dispatch_group_t group,
+                                         dispatch_queue_t dq,
+                                         void *ctxt, dispatch_function_t func);
+typedef int (*pthread_workqueue_additem_np_f)(pthread_workqueue_t workq,
+    void *(*workitem_func)(void *), void * workitem_arg,
+    pthread_workitem_handle_t * itemhandlep, unsigned int *gencountp);
+
+
+// A wrapper for the ObjC blocks used to support libdispatch.
+typedef struct {
+  void *block;
+  dispatch_function_t func;
+  int parent_tid;
+} asan_block_context_t;
+
+
+extern "C" {
+// dispatch_barrier_async_f() is not declared in <dispatch/dispatch.h>.
+void dispatch_barrier_async_f(dispatch_queue_t dq,
+                              void *ctxt, dispatch_function_t func);
+// Neither is pthread_workqueue_additem_np().
+int pthread_workqueue_additem_np(pthread_workqueue_t workq,
+    void *(*workitem_func)(void *), void * workitem_arg,
+    pthread_workitem_handle_t * itemhandlep, unsigned int *gencountp);
+
+int WRAP(dispatch_async_f)(dispatch_queue_t dq,
+                           void *ctxt,
+                           dispatch_function_t func);
+int WRAP(dispatch_sync_f)(dispatch_queue_t dq,
+                          void *ctxt,
+                          dispatch_function_t func);
+int WRAP(dispatch_after_f)(dispatch_time_t when,
+                           dispatch_queue_t dq,
+                           void *ctxt,
+                           dispatch_function_t func);
+void WRAP(dispatch_barrier_async_f)(dispatch_queue_t dq,
+                                    void *ctxt, dispatch_function_t func);
+void WRAP(dispatch_group_async_f)(dispatch_group_t group,
+                                  dispatch_queue_t dq,
+                                  void *ctxt, dispatch_function_t func);
+int WRAP(pthread_workqueue_additem_np)(pthread_workqueue_t workq,
+    void *(*workitem_func)(void *), void * workitem_arg,
+    pthread_workitem_handle_t * itemhandlep, unsigned int *gencountp);
+}
+
+#endif  // ASAN_MAC_H
+
+#endif  // __APPLE__