1 files changed, 116 insertions, 0 deletions
diff --git a/tools/debugserver/source/MacOSX/Genealogy.h b/tools/debugserver/source/MacOSX/Genealogy.h
new file mode 100644
index 000000000000..d39145a06f29
--- /dev/null
+++ b/tools/debugserver/source/MacOSX/Genealogy.h
@@ -0,0 +1,116 @@
+//===-- Activity.h -----------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __Genealogy_h__
+#define __Genealogy_h__
+
+#include <string>
+#include <vector>
+#include <map>
+#include <pthread.h>
+#include <mach/task.h>
+
+#include "GenealogySPI.h"
+#include "MachThreadList.h"
+
+class Genealogy
+{
+public:
+
+    Genealogy ();
+
+    ~Genealogy ()
+    {
+    }
+
+    void
+    Clear();
+
+    struct Breadcrumb 
+    {
+        uint32_t breadcrumb_id;
+        uint64_t activity_id;
+        uint64_t timestamp;
+        std::string name;
+    };
+
+    struct Activity
+    {
+        uint64_t activity_start;
+        uint64_t activity_id;
+        uint64_t parent_id;
+        std::string activity_name;
+        std::string reason;
+    };
+
+    struct Message
+    {
+        uint64_t    timestamp;
+        uint64_t    activity_id;
+        uint64_t    trace_id;
+        uint64_t    thread;
+        uint8_t     type;  // OS_TRACE_TYPE_RELEASE, OS_TRACE_TYPE_DEBUG, OS_TRACE_TYPE_ERROR, OS_TRACE_TYPE_FAULT
+        uint32_t    process_info_index;  // index # of the image uuid/file path, 0 means unknown
+        std::string message;
+    };
+
+    typedef std::vector<Message> MessageList;
+    typedef std::vector<Breadcrumb> BreadcrumbList;
+    typedef std::vector<Activity> ActivityList;
+
+    struct ThreadActivity
+    {
+        Activity       current_activity;
+        MessageList    messages;
+        BreadcrumbList breadcrumbs;    // should be 0 or 1 breadcrumbs; no more than 1 BC for any given activity
+    };
+
+    typedef std::shared_ptr<ThreadActivity>   ThreadActivitySP;
+
+    ThreadActivitySP
+    GetGenealogyInfoForThread (pid_t pid, nub_thread_t tid, const MachThreadList &thread_list, task_t task, bool &timed_out);
+
+    struct ProcessExecutableInfo
+    {
+        std::string image_path;
+        uuid_t      image_uuid;
+    };
+
+    typedef std::shared_ptr<ProcessExecutableInfo> ProcessExecutableInfoSP;
+
+    ProcessExecutableInfoSP
+    GetProcessExecutableInfosAtIndex(size_t idx);
+
+    uint32_t
+    AddProcessExecutableInfo(ProcessExecutableInfoSP process_exe_info);
+
+private:
+
+    void
+    GetActivities(pid_t pid, const MachThreadList &thread_list, task_t task);
+
+    // the spi we need to call into libtrace - look them up via dlsym at runtime
+    bool                    (*m_os_activity_diagnostic_for_pid)  (pid_t pid, os_activity_t activity, uint32_t flags, os_diagnostic_block_t block);
+    void                    (*m_os_activity_iterate_processes) (os_activity_process_list_t processes, bool (^iterator)(os_activity_process_t process_info));
+    void                    (*m_os_activity_iterate_breadcrumbs) (os_activity_process_t process_info, bool (^iterator)(os_activity_breadcrumb_t breadcrumb));
+    void                    (*m_os_activity_iterate_messages) (os_trace_message_list_t messages, os_activity_process_t process_info, bool (^iterator)(os_trace_message_t tracemsg));
+    void                    (*m_os_activity_iterate_activities) (os_activity_list_t activities, os_activity_process_t process_info, bool (^iterator)(os_activity_entry_t activity));
+    uint8_t                 (*m_os_trace_get_type) (os_trace_message_t trace_msg);
+    char *                  (*m_os_trace_copy_formatted_message) (os_trace_message_t trace_msg);
+    os_activity_t           (*m_os_activity_for_thread) (os_activity_process_t process, uint64_t thread_id);
+    os_activity_t           (*m_os_activity_for_task_thread) (task_t target, uint64_t thread_id);
+    os_trace_message_list_t (*m_os_activity_messages_for_thread) (os_activity_process_t process, os_activity_t activity, uint64_t thread_id);
+
+
+    std::map<nub_thread_t, ThreadActivitySP> m_thread_activities;
+    std::vector<ProcessExecutableInfoSP>     m_process_executable_infos;
+    bool                                     m_diagnosticd_call_timed_out;
+};
+
+#endif // __Genealogy_h__