Allow exception forwarding to the system’s native crash reporter to be disabled

snapshot/mac/mach_o_image_reader.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 247 matching lines @@
   //!
   //! The dynamic linker is normally /usr/lib/dyld.
   //!
   //! For executable images (those with file type `MH_EXECUTE`), this is the
   //! name provided in the `LC_LOAD_DYLINKER` load command, if any. For dynamic
   //! linker images (those with file type `MH_DYLINKER`), this is the name
   //! provided in the `LC_ID_DYLINKER` load command. In other cases, this will
   //! be empty.
   std::string DylinkerName() const { return dylinker_name_; }
 
+  //! \brief Obtains the module’s CrashpadInfo structure.
+  //!
+  //! \return `true` on success, `false` on failure. If the module does not have
+  //!     a `__crashpad_info` section, this will return `false` without logging
+  //!     any messages. Other failures will result in messages being logged.
+  bool GetCrashpadInfo(process_types::CrashpadInfo* crashpad_info) const;
+
  private:
   // A generic helper routine for the other Read*Command() methods.
   template <typename T>
   bool ReadLoadCommand(mach_vm_address_t load_command_address,
                        const std::string& load_command_info,
                        uint32_t expected_load_command_id,
                        T* load_command);
 
   // The Read*Command() methods are subroutines called by Initialize(). They are
   // responsible for reading a single load command. They may update the member
@@ skipping 58 matching lines @@
   // set. symbol_table_initialized_ will be valid without symbol_table_ being
   // set in modules that have no symbol table.
   mutable InitializationState symbol_table_initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(MachOImageReader);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_SNAPSHOT_MAC_MACH_O_IMAGE_READER_H_