1 files changed, 97 insertions, 10 deletions
diff --git a/3rdParty/Breakpad/src/client/windows/handler/exception_handler.h b/3rdParty/Breakpad/src/client/windows/handler/exception_handler.h
index 6f59348..2939a68 100644
--- a/3rdParty/Breakpad/src/client/windows/handler/exception_handler.h
+++ b/3rdParty/Breakpad/src/client/windows/handler/exception_handler.h
@@ -57,27 +57,44 @@
 #define CLIENT_WINDOWS_HANDLER_EXCEPTION_HANDLER_H__
 
 #include <stdlib.h>
-#include <Windows.h>
-#include <DbgHelp.h>
+#include <windows.h>
+#include <dbghelp.h>
 #include <rpc.h>
 
-#pragma warning( push )
+#pragma warning(push)
 // Disable exception handler warnings.
-#pragma warning( disable : 4530 )
+#pragma warning(disable:4530)
 
+#include <list>
 #include <string>
 #include <vector>
 
 #include "client/windows/common/ipc_protocol.h"
 #include "client/windows/crash_generation/crash_generation_client.h"
+#include "common/scoped_ptr.h"
 #include "google_breakpad/common/minidump_format.h"
-#include "processor/scoped_ptr.h"
 
 namespace google_breakpad {
 
 using std::vector;
 using std::wstring;
 
+// These entries store a list of memory regions that the client wants included
+// in the minidump.
+struct AppMemory {
+  ULONG64 ptr;
+  ULONG length;
+
+  bool operator==(const struct AppMemory& other) const {
+    return ptr == other.ptr;
+  }
+
+  bool operator==(const void* other) const {
+    return ptr == reinterpret_cast<ULONG64>(other);
+  }
+};
+typedef std::list<AppMemory> AppMemoryList;
+
 class ExceptionHandler {
  public:
   // A callback function to run before Breakpad performs any substantial
@@ -178,6 +195,25 @@ class ExceptionHandler {
                    HANDLE pipe_handle,
                    const CustomClientInfo* custom_info);
 
+  // ExceptionHandler that ENSURES out-of-process dump generation.  Expects a
+  // crash generation client that is already registered with a crash generation
+  // server.  Takes ownership of the passed-in crash_generation_client.
+  //
+  // Usage example:
+  //   crash_generation_client = new CrashGenerationClient(..);
+  //   if (crash_generation_client->Register()) {
+  //     // Registration with the crash generation server succeeded.
+  //     // Out-of-process dump generation is guaranteed.
+  //     g_handler = new ExceptionHandler(.., crash_generation_client, ..);
+  //     return true;
+  //   }
+  ExceptionHandler(const wstring& dump_path,
+                   FilterCallback filter,
+                   MinidumpCallback callback,
+                   void* callback_context,
+                   int handler_types,
+                   CrashGenerationClient* crash_generation_client);
+
   ~ExceptionHandler();
 
   // Get and set the minidump path.
@@ -208,7 +244,20 @@ class ExceptionHandler {
   // Convenience form of WriteMinidump which does not require an
   // ExceptionHandler instance.
   static bool WriteMinidump(const wstring &dump_path,
-                            MinidumpCallback callback, void* callback_context);
+                            MinidumpCallback callback, void* callback_context,
+                            MINIDUMP_TYPE dump_type = MiniDumpNormal);
+
+  // Write a minidump of |child| immediately.  This can be used to
+  // capture the execution state of |child| independently of a crash.
+  // Pass a meaningful |child_blamed_thread| to make that thread in
+  // the child process the one from which a crash signature is
+  // extracted.
+  static bool WriteMinidumpForChild(HANDLE child,
+                                    DWORD child_blamed_thread,
+                                    const wstring& dump_path,
+                                    MinidumpCallback callback,
+                                    void* callback_context,
+                                    MINIDUMP_TYPE dump_type = MiniDumpNormal);
 
   // Get the thread ID of the thread requesting the dump (either the exception
   // thread or any other thread that called WriteMinidump directly).  This
@@ -222,9 +271,23 @@ class ExceptionHandler {
     handle_debug_exceptions_ = handle_debug_exceptions;
   }
 
+  // Controls behavior of EXCEPTION_INVALID_HANDLE.
+  bool get_consume_invalid_handle_exceptions() const {
+    return consume_invalid_handle_exceptions_;
+  }
+  void set_consume_invalid_handle_exceptions(
+      bool consume_invalid_handle_exceptions) {
+    consume_invalid_handle_exceptions_ = consume_invalid_handle_exceptions;
+  }
+
   // Returns whether out-of-process dump generation is used or not.
   bool IsOutOfProcess() const { return crash_generation_client_.get() != NULL; }
 
+  // Calling RegisterAppMemory(p, len) causes len bytes starting
+  // at address p to be copied to the minidump when a crash happens.
+  void RegisterAppMemory(void* ptr, size_t length);
+  void UnregisterAppMemory(void* ptr);
+
  private:
   friend class AutoExceptionHandler;
 
@@ -237,6 +300,7 @@ class ExceptionHandler {
                   MINIDUMP_TYPE dump_type,
                   const wchar_t* pipe_name,
                   HANDLE pipe_handle,
+                  CrashGenerationClient* crash_generation_client,
                   const CustomClientInfo* custom_info);
 
   // Function pointer type for MiniDumpWriteDump, which is looked up
@@ -289,8 +353,9 @@ class ExceptionHandler {
   bool WriteMinidumpOnHandlerThread(EXCEPTION_POINTERS* exinfo,
                                     MDRawAssertionInfo* assertion);
 
-  // This function does the actual writing of a minidump.  It is called
-  // on the handler thread.  requesting_thread_id is the ID of the thread
+  // This function is called on the handler thread.  It calls into
+  // WriteMinidumpWithExceptionForProcess() with a handle to the
+  // current process.  requesting_thread_id is the ID of the thread
   // that requested the dump.  If the dump is requested as a result of
   // an exception, exinfo contains exception information, otherwise,
   // it is NULL.
@@ -305,6 +370,20 @@ class ExceptionHandler {
       const PMINIDUMP_CALLBACK_INPUT callback_input,
       PMINIDUMP_CALLBACK_OUTPUT callback_output);
 
+  // This function does the actual writing of a minidump.  It is
+  // called on the handler thread.  requesting_thread_id is the ID of
+  // the thread that requested the dump, if that information is
+  // meaningful.  If the dump is requested as a result of an
+  // exception, exinfo contains exception information, otherwise, it
+  // is NULL.  process is the one that will be dumped.  If
+  // requesting_thread_id is meaningful and should be added to the
+  // minidump, write_requester_stream is |true|.
+  bool WriteMinidumpWithExceptionForProcess(DWORD requesting_thread_id,
+                                            EXCEPTION_POINTERS* exinfo,
+                                            MDRawAssertionInfo* assertion,
+                                            HANDLE process,
+                                            bool write_requester_stream);
+
   // Generates a new ID and stores it in next_minidump_id_, and stores the
   // path of the next minidump to be written in next_minidump_path_.
   void UpdateNextID();
@@ -414,6 +493,14 @@ class ExceptionHandler {
   // to not interfere with debuggers.
   bool handle_debug_exceptions_;
 
+  // If true, the handler will consume any EXCEPTION_INVALID_HANDLE exceptions.
+  // Leave this false (the default) to handle these exceptions as normal.
+  bool consume_invalid_handle_exceptions_;
+
+  // Callers can request additional memory regions to be included in
+  // the dump.
+  AppMemoryList app_memory_info_;
+
   // A stack of ExceptionHandler objects that have installed unhandled
   // exception filters.  This vector is used by HandleException to determine
   // which ExceptionHandler object to route an exception to.  When an
@@ -433,7 +520,7 @@ class ExceptionHandler {
   static CRITICAL_SECTION handler_stack_critical_section_;
 
   // The number of instances of this class.
-  volatile static LONG instance_count_;
+  static volatile LONG instance_count_;
 
   // disallow copy ctor and operator=
   explicit ExceptionHandler(const ExceptionHandler &);
@@ -442,6 +529,6 @@ class ExceptionHandler {
 
 }  // namespace google_breakpad
 
-#pragma warning( pop )
+#pragma warning(pop)
 
 #endif  // CLIENT_WINDOWS_HANDLER_EXCEPTION_HANDLER_H__