2017-06-19 05:05:19 -04:00
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// WinStackWalker.h
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// Declares the stack walking for Windows binaries
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/*
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2017-08-24 05:19:40 -04:00
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LICENSE (https://www.opensource.org/licenses/bsd-license.php)
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2017-06-19 05:05:19 -04:00
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Copyright (c) 2005-2010, Jochen Kalmbach
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and / or other materials provided with the distribution.
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Neither the name of Jochen Kalmbach nor the names of its contributors may be
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used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY 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 OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#ifdef _WIN32 // This is Windows-only code
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class StackWalkerInternal; // forward
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class WinStackWalker
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{
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public:
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enum StackWalkOptions
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{
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// No addition info will be retrived
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// (only the address is available)
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RetrieveNone = 0,
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// Try to get the symbol-name
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RetrieveSymbol = 1,
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// Try to get the line for this symbol
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RetrieveLine = 2,
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// Try to retrieve the module-infos
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RetrieveModuleInfo = 4,
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// Also retrieve the version for the DLL / EXE
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RetrieveFileVersion = 8,
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// Contains all the abouve
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RetrieveVerbose = 0xF,
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// Generate a "good" symbol-search-path
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SymBuildPath = 0x10,
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// Also use the public Microsoft-Symbol-Server
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SymUseSymSrv = 0x20,
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// Contains all the abouve "Sym"-options
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SymAll = 0x30,
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// Contains all options (default)
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OptionsAll = 0x3F
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};
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WinStackWalker(
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int options = OptionsAll,
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LPCSTR szSymPath = nullptr,
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DWORD dwProcessId = GetCurrentProcessId(),
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HANDLE hProcess = GetCurrentProcess()
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);
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WinStackWalker(DWORD dwProcessId, HANDLE hProcess);
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virtual ~WinStackWalker();
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typedef BOOL(__stdcall *PReadProcessMemoryRoutine)(
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HANDLE hProcess,
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DWORD64 qwBaseAddress,
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PVOID lpBuffer,
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DWORD nSize,
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LPDWORD lpNumberOfBytesRead,
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LPVOID pUserData // optional data, which was passed in "ShowCallstack"
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);
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BOOL LoadModules();
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BOOL ShowCallstack(
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HANDLE hThread = GetCurrentThread(),
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const CONTEXT *context = nullptr,
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PReadProcessMemoryRoutine readMemoryFunction = nullptr,
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LPVOID pUserData = nullptr // optional to identify some data in the 'readMemoryFunction'-callback
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);
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protected:
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enum
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{
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STACKWALK_MAX_NAMELEN = 1024, ///< Max name length for found symbols
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};
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protected:
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// Entry for each Callstack-Entry
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struct CallstackEntry
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{
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DWORD64 offset; // if 0, we have no valid entry
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CHAR name[STACKWALK_MAX_NAMELEN];
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CHAR undName[STACKWALK_MAX_NAMELEN];
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CHAR undFullName[STACKWALK_MAX_NAMELEN];
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DWORD64 offsetFromSmybol;
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DWORD offsetFromLine;
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DWORD lineNumber;
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CHAR lineFileName[STACKWALK_MAX_NAMELEN];
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DWORD symType;
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LPCSTR symTypeString;
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CHAR moduleName[STACKWALK_MAX_NAMELEN];
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DWORD64 baseOfImage;
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CHAR loadedImageName[STACKWALK_MAX_NAMELEN];
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};
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enum CallstackEntryType { firstEntry, nextEntry, lastEntry };
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virtual void OnSymInit(LPCSTR szSearchPath, DWORD symOptions, LPCSTR szUserName);
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virtual void OnLoadModule(LPCSTR img, LPCSTR mod, DWORD64 baseAddr, DWORD size, DWORD result, LPCSTR symType, LPCSTR pdbName, ULONGLONG fileVersion);
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virtual void OnCallstackEntry(CallstackEntryType eType, CallstackEntry &entry);
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virtual void OnDbgHelpErr(LPCSTR szFuncName, DWORD gle, DWORD64 addr);
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virtual void OnOutput(LPCSTR szText);
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StackWalkerInternal *m_sw;
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HANDLE m_hProcess;
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DWORD m_dwProcessId;
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BOOL m_modulesLoaded;
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LPSTR m_szSymPath;
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int m_options;
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int m_MaxRecursionCount;
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static BOOL __stdcall myReadProcMem(HANDLE hProcess, DWORD64 qwBaseAddress, PVOID lpBuffer, DWORD nSize, LPDWORD lpNumberOfBytesRead);
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friend StackWalkerInternal;
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};
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#define GET_CURRENT_CONTEXT(c, contextFlags) \
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do \
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{ \
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memset(&c, 0, sizeof(CONTEXT)); \
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c.ContextFlags = contextFlags; \
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RtlCaptureContext(&c); \
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} while (false);
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#endif // _WIN32
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