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83e085b7a3
We've gotten mixed advice from the lawyery types about whether this matters. But it's easy enough to do. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@517 4c0a9323-5329-0410-9bdc-e9ce6186880e
89 lines
3.6 KiB
C++
89 lines
3.6 KiB
C++
// -*- mode: C++ -*-
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// Copyright (c) 2010 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Abstract interface to return function/file/line info for a memory address.
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#ifndef GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__
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#define GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__
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#include <string>
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#include "google_breakpad/common/breakpad_types.h"
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namespace google_breakpad {
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using std::string;
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struct StackFrame;
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struct WindowsFrameInfo;
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class SourceLineResolverInterface {
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public:
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typedef u_int64_t MemAddr;
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virtual ~SourceLineResolverInterface() {}
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// Adds a module to this resolver, returning true on success.
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//
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// module_name may be an arbitrary string. Typically, it will be the
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// filename of the module, optionally with version identifiers.
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//
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// map_file should contain line/address mappings for this module.
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virtual bool LoadModule(const string &module_name,
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const string &map_file) = 0;
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// Same as above, but takes the contents of a pre-read map buffer
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virtual bool LoadModuleUsingMapBuffer(const string &module_name,
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const string &map_buffer) = 0;
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// Returns true if a module with the given name has been loaded.
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virtual bool HasModule(const string &module_name) const = 0;
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// Fills in the function_base, function_name, source_file_name,
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// and source_line fields of the StackFrame. The instruction and
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// module_name fields must already be filled in.
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virtual void FillSourceLineInfo(StackFrame *frame) const = 0;
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// If Windows stack walking information is available covering
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// FRAME's instruction address, return a WindowsFrameInfo structure
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// describing it. If the information is not available, returns NULL.
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// A NULL return value does not indicate an error. The caller takes
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// ownership of any returned WindowsFrameInfo object.
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virtual WindowsFrameInfo *FindWindowsFrameInfo(const StackFrame *frame)
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const = 0;
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protected:
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// SourceLineResolverInterface cannot be instantiated except by subclasses
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SourceLineResolverInterface() {}
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};
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} // namespace google_breakpad
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#endif // GOOGLE_BREAKPAD_PROCESSOR_SOURCE_LINE_RESOLVER_INTERFACE_H__
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