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Diffstat (limited to 'src/google_airbag/processor/stackwalker.h')
| -rw-r--r-- | src/google_airbag/processor/stackwalker.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/src/google_airbag/processor/stackwalker.h b/src/google_airbag/processor/stackwalker.h deleted file mode 100644 index c058f09a..00000000 --- a/src/google_airbag/processor/stackwalker.h +++ /dev/null @@ -1,140 +0,0 @@ -// 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. - -// stackwalker.h: Generic stackwalker. -// -// The Stackwalker class is an abstract base class providing common generic -// methods that apply to stacks from all systems. Specific implementations -// will extend this class by providing GetContextFrame and GetCallerFrame -// methods to fill in system-specific data in a StackFrame structure. -// Stackwalker assembles these StackFrame strucutres into a CallStack. -// -// Author: Mark Mentovai - - -#ifndef GOOGLE_AIRBAG_PROCESSOR_STACKWALKER_H__ -#define GOOGLE_AIRBAG_PROCESSOR_STACKWALKER_H__ - -#include <vector> - -namespace google_airbag { - -class CallStack; -class CodeModules; -template<typename T> class linked_ptr; -class MemoryRegion; -class MinidumpContext; -class SourceLineResolverInterface; -struct StackFrame; -struct StackFrameInfo; -class SymbolSupplier; -class SystemInfo; - -using std::vector; - - -class Stackwalker { - public: - virtual ~Stackwalker() {} - - // Populates the given CallStack by calling GetContextFrame and - // GetCallerFrame. The frames are further processed to fill all available - // data. Returns true if the stackwalk completed, or false if it was - // interrupted by SymbolSupplier::GetSymbolFile(). - bool Walk(CallStack *stack); - - // Returns a new concrete subclass suitable for the CPU that a stack was - // generated on, according to the CPU type indicated by the context - // argument. If no suitable concrete subclass exists, returns NULL. - static Stackwalker* StackwalkerForCPU(const SystemInfo *system_info, - MinidumpContext *context, - MemoryRegion *memory, - const CodeModules *modules, - SymbolSupplier *supplier, - SourceLineResolverInterface *resolver); - - protected: - // system_info identifies the operating system, NULL or empty if unknown. - // memory identifies a MemoryRegion that provides the stack memory - // for the stack to walk. modules, if non-NULL, is a CodeModules - // object that is used to look up which code module each stack frame is - // associated with. supplier is an optional caller-supplied SymbolSupplier - // implementation. If supplier is NULL, source line info will not be - // resolved. resolver is an instance of SourceLineResolverInterface - // (see source_line_resolver_interface.h and basic_source_line_resolver.h). - // If resolver is NULL, source line info will not be resolved. - Stackwalker(const SystemInfo *system_info, - MemoryRegion *memory, - const CodeModules *modules, - SymbolSupplier *supplier, - SourceLineResolverInterface *resolver); - - // Information about the system that produced the minidump. Subclasses - // and the SymbolSupplier may find this information useful. - const SystemInfo *system_info_; - - // The stack memory to walk. Subclasses will require this region to - // get information from the stack. - MemoryRegion *memory_; - - private: - // Obtains the context frame, the innermost called procedure in a stack - // trace. Returns NULL on failure. GetContextFrame allocates a new - // StackFrame (or StackFrame subclass), ownership of which is taken by - // the caller. - virtual StackFrame* GetContextFrame() = 0; - - // Obtains a caller frame. Each call to GetCallerFrame should return the - // frame that called the last frame returned by GetContextFrame or - // GetCallerFrame. To aid this purpose, stack contains the CallStack - // made of frames that have already been walked. GetCallerFrame should - // return NULL on failure or when there are no more caller frames (when - // the end of the stack has been reached). GetCallerFrame allocates a new - // StackFrame (or StackFrame subclass), ownership of which is taken by - // the caller. - virtual StackFrame* GetCallerFrame( - const CallStack *stack, - const vector< linked_ptr<StackFrameInfo> > &stack_frame_info) = 0; - - // A list of modules, for populating each StackFrame's module information. - // This field is optional and may be NULL. - const CodeModules *modules_; - - // The optional SymbolSupplier for resolving source line info. - SymbolSupplier *supplier_; - - // The SourceLineResolver implementation - SourceLineResolverInterface *resolver_; -}; - - -} // namespace google_airbag - - -#endif // GOOGLE_AIRBAG_PROCESSOR_STACKWALKER_H__ |