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author | mmentovai <mmentovai@4c0a9323-5329-0410-9bdc-e9ce6186880e> | 2006-11-06 19:39:47 +0000 |
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committer | mmentovai <mmentovai@4c0a9323-5329-0410-9bdc-e9ce6186880e> | 2006-11-06 19:39:47 +0000 |
commit | fe82bf24a93d9d3affd614aaa23f2f018a733d8e (patch) | |
tree | 8c76fe2bbddcdd34a23a017c96df1e613302a101 /src/google_airbag/processor/call_stack.h | |
parent | Symbol file should contain module GUID at beginning (#66). r=bryner (diff) | |
download | breakpad-fe82bf24a93d9d3affd614aaa23f2f018a733d8e.tar.xz |
Move headers for exported interfaces into src/google_airbag (#51). r=bryner
http://groups.google.com/group/airbag-dev/browse_thread/thread/e01f177386e8794a
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@60 4c0a9323-5329-0410-9bdc-e9ce6186880e
Diffstat (limited to 'src/google_airbag/processor/call_stack.h')
-rw-r--r-- | src/google_airbag/processor/call_stack.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/google_airbag/processor/call_stack.h b/src/google_airbag/processor/call_stack.h new file mode 100644 index 00000000..580d4927 --- /dev/null +++ b/src/google_airbag/processor/call_stack.h @@ -0,0 +1,76 @@ +// 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. + +// call_stack.h: A call stack comprised of stack frames. +// +// This class manages a vector of stack frames. It is used instead of +// exposing the vector directly to allow the CallStack to own StackFrame +// pointers without having to publicly export the linked_ptr class. A +// CallStack must be composed of pointers instead of objects to allow for +// CPU-specific StackFrame subclasses. +// +// By convention, the stack frame at index 0 is the innermost callee frame, +// and the frame at the highest index in a call stack is the outermost +// caller. CallStack only allows stacks to be built by pushing frames, +// beginning with the innermost callee frame. +// +// Author: Mark Mentovai + +#ifndef GOOGLE_AIRBAG_PROCESSOR_CALL_STACK_H__ +#define GOOGLE_AIRBAG_PROCESSOR_CALL_STACK_H__ + +#include <vector> + +namespace google_airbag { + +using std::vector; + +struct StackFrame; +template<typename T> class linked_ptr; + +class CallStack { + public: + ~CallStack(); + + const vector<StackFrame*>* frames() const { return &frames_; } + + private: + // Stackwalker is responsible for building the frames_ vector. + friend class Stackwalker; + + // Disallow instantiation other than by friends. + CallStack() : frames_() {} + + // Storage for pushed frames. + vector<StackFrame*> frames_; +}; + +} // namespace google_airbag + +#endif // GOOGLE_AIRBAG_PROCSSOR_CALL_STACK_H__ |