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// Copyright (c) 2006, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// code_module.h: Carries information about code modules that are loaded
// into a process.
//
// Author: Mark Mentovai
#ifndef GOOGLE_AIRBAG_PROCESSOR_CODE_MODULE_H__
#define GOOGLE_AIRBAG_PROCESSOR_CODE_MODULE_H__
#include <string>
namespace google_airbag {
using std::string;
class CodeModule {
public:
virtual ~CodeModule() {}
// The base address of this code module as it was loaded by the process.
// (u_int64_t)-1 on error.
virtual u_int64_t base_address() const = 0;
// The size of the code module. 0 on error.
virtual u_int64_t size() const = 0;
// The path or file name that the code module was loaded from. Empty on
// error.
virtual string code_file() const = 0;
// An identifying string used to discriminate between multiple versions and
// builds of the same code module. This may contain a uuid, timestamp,
// version number, or any combination of this or other information, in an
// implementation-defined format. Empty on error.
virtual string code_identifier() const = 0;
// The filename containing debugging information associated with the code
// module. If debugging information is stored in a file separate from the
// code module itself (as is the case when .pdb or .dSYM files are used),
// this will be different from code_file. If debugging information is
// stored in the code module itself (possibly prior to stripping), this
// will be the same as code_file. Empty on error.
virtual string debug_file() const = 0;
// An identifying string similar to code_identifier, but identifies a
// specific version and build of the associated debug file. This may be
// the same as code_identifier when the debug_file and code_file are
// identical or when the same identifier is used to identify distinct
// debug and code files.
virtual string debug_identifier() const = 0;
// A human-readable representation of the code module's version. Empty on
// error.
virtual string version() const = 0;
// Creates a new copy of this CodeModule object, which the caller takes
// ownership of. The new CodeModule may be of a different concrete class
// than the CodeModule being copied, but will behave identically to the
// copied CodeModule as far as the CodeModule interface is concerned.
virtual const CodeModule* Copy() const = 0;
};
} // namespace google_airbag
#endif // GOOGLE_AIRBAG_PROCESSOR_CODE_MODULE_H__
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