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// -*- mode: C++ -*-
// Copyright (c) 2010 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.
// Abstract interface to return function/file/line info for a memory address.
#ifndef GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__
#define GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__
#include <string>
#include "google_breakpad/common/breakpad_types.h"
namespace google_breakpad {
using std::string;
struct StackFrame;
struct WindowsFrameInfo;
class SourceLineResolverInterface {
public:
typedef u_int64_t MemAddr;
virtual ~SourceLineResolverInterface() {}
// Adds a module to this resolver, returning true on success.
//
// module_name may be an arbitrary string. Typically, it will be the
// filename of the module, optionally with version identifiers.
//
// map_file should contain line/address mappings for this module.
virtual bool LoadModule(const string &module_name,
const string &map_file) = 0;
// Same as above, but takes the contents of a pre-read map buffer
virtual bool LoadModuleUsingMapBuffer(const string &module_name,
const string &map_buffer) = 0;
// Returns true if a module with the given name has been loaded.
virtual bool HasModule(const string &module_name) const = 0;
// Fills in the function_base, function_name, source_file_name,
// and source_line fields of the StackFrame. The instruction and
// module_name fields must already be filled in.
virtual void FillSourceLineInfo(StackFrame *frame) const = 0;
// If Windows stack walking information is available covering
// FRAME's instruction address, return a WindowsFrameInfo structure
// describing it. If the information is not available, returns NULL.
// A NULL return value does not indicate an error. The caller takes
// ownership of any returned WindowsFrameInfo object.
virtual WindowsFrameInfo *FindWindowsFrameInfo(const StackFrame *frame)
const = 0;
protected:
// SourceLineResolverInterface cannot be instantiated except by subclasses
SourceLineResolverInterface() {}
};
} // namespace google_breakpad
#endif // GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__
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