Rename our allwpilib (which is now 2020) to not have 2019 in the name
Change-Id: I3c07f85ed32ab8b97db765a9b43f2a6ce7da964a
diff --git a/wpiutil/src/main/native/windows/Demangle.cpp b/wpiutil/src/main/native/windows/Demangle.cpp
new file mode 100644
index 0000000..34d1cab
--- /dev/null
+++ b/wpiutil/src/main/native/windows/Demangle.cpp
@@ -0,0 +1,30 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2008-2019 FIRST. All Rights Reserved. */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project. */
+/*----------------------------------------------------------------------------*/
+
+#include "wpi/Demangle.h"
+
+#include <windows.h> // NOLINT(build/include_order)
+
+#include <dbghelp.h>
+
+#include "wpi/mutex.h"
+
+#pragma comment(lib, "Dbghelp.lib")
+
+namespace wpi {
+
+std::string Demangle(char const* mangledSymbol) {
+ static wpi::mutex m;
+ std::scoped_lock lock(m);
+ char buffer[256];
+ DWORD sz = UnDecorateSymbolName(mangledSymbol, buffer, sizeof(buffer),
+ UNDNAME_COMPLETE);
+ if (sz == 0) return mangledSymbol;
+ return std::string(buffer, sz);
+}
+
+} // namespace wpi
diff --git a/wpiutil/src/main/native/windows/StackTrace.cpp b/wpiutil/src/main/native/windows/StackTrace.cpp
new file mode 100644
index 0000000..86bbdff
--- /dev/null
+++ b/wpiutil/src/main/native/windows/StackTrace.cpp
@@ -0,0 +1,45 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) 2008-2019 FIRST. All Rights Reserved. */
+/* Open Source Software - may be modified and shared by FRC teams. The code */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project. */
+/*----------------------------------------------------------------------------*/
+
+#include "wpi/StackTrace.h"
+
+#include "StackWalker.h"
+#include "wpi/ConvertUTF.h"
+#include "wpi/SmallString.h"
+
+namespace {
+class StackTraceWalker : public StackWalker {
+ public:
+ explicit StackTraceWalker(std::string& output) : m_output(output) {}
+
+ void OnOutput(LPCTSTR szText) override;
+
+ private:
+ std::string& m_output;
+};
+} // namespace
+
+void StackTraceWalker::OnOutput(LPCTSTR szText) {
+#ifdef _UNICODE
+ wpi::SmallString<128> utf8;
+ wpi::sys::windows::UTF16ToUTF8(szText, wcslen(szText), utf8);
+ m_output.append(utf8.data(), utf8.size());
+#else
+ m_output.append(szText);
+#endif
+}
+
+namespace wpi {
+
+std::string GetStackTrace(int offset) {
+ // TODO: implement offset
+ std::string output;
+ StackTraceWalker walker(output);
+ return output;
+}
+
+} // namespace wpi
diff --git a/wpiutil/src/main/native/windows/StackWalker.cpp b/wpiutil/src/main/native/windows/StackWalker.cpp
new file mode 100644
index 0000000..237360a
--- /dev/null
+++ b/wpiutil/src/main/native/windows/StackWalker.cpp
@@ -0,0 +1,1374 @@
+/**********************************************************************
+ *
+ * StackWalker.cpp
+ * https://github.com/JochenKalmbach/StackWalker
+ *
+ * Old location: http://stackwalker.codeplex.com/
+ *
+ *
+ * History:
+ * 2005-07-27 v1 - First public release on http://www.codeproject.com/
+ * http://www.codeproject.com/threads/StackWalker.asp
+ * 2005-07-28 v2 - Changed the params of the constructor and ShowCallstack
+ * (to simplify the usage)
+ * 2005-08-01 v3 - Changed to use 'CONTEXT_FULL' instead of CONTEXT_ALL
+ * (should also be enough)
+ * - Changed to compile correctly with the PSDK of VC7.0
+ * (GetFileVersionInfoSizeA and GetFileVersionInfoA is wrongly defined:
+ * it uses LPSTR instead of LPCSTR as first parameter)
+ * - Added declarations to support VC5/6 without using 'dbghelp.h'
+ * - Added a 'pUserData' member to the ShowCallstack function and the
+ * PReadProcessMemoryRoutine declaration (to pass some user-defined data,
+ * which can be used in the readMemoryFunction-callback)
+ * 2005-08-02 v4 - OnSymInit now also outputs the OS-Version by default
+ * - Added example for doing an exception-callstack-walking in main.cpp
+ * (thanks to owillebo: http://www.codeproject.com/script/profile/whos_who.asp?id=536268)
+ * 2005-08-05 v5 - Removed most Lint (http://www.gimpel.com/) errors... thanks to Okko Willeboordse!
+ * 2008-08-04 v6 - Fixed Bug: Missing LEAK-end-tag
+ * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=2502890#xx2502890xx
+ * Fixed Bug: Compiled with "WIN32_LEAN_AND_MEAN"
+ * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=1824718#xx1824718xx
+ * Fixed Bug: Compiling with "/Wall"
+ * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=2638243#xx2638243xx
+ * Fixed Bug: Now checking SymUseSymSrv
+ * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=1388979#xx1388979xx
+ * Fixed Bug: Support for recursive function calls
+ * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=1434538#xx1434538xx
+ * Fixed Bug: Missing FreeLibrary call in "GetModuleListTH32"
+ * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=1326923#xx1326923xx
+ * Fixed Bug: SymDia is number 7, not 9!
+ * 2008-09-11 v7 For some (undocumented) reason, dbhelp.h is needing a packing of 8!
+ * Thanks to Teajay which reported the bug...
+ * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=2718933#xx2718933xx
+ * 2008-11-27 v8 Debugging Tools for Windows are now stored in a different directory
+ * Thanks to Luiz Salamon which reported this "bug"...
+ * http://www.codeproject.com/KB/threads/StackWalker.aspx?msg=2822736#xx2822736xx
+ * 2009-04-10 v9 License slightly corrected (<ORGANIZATION> replaced)
+ * 2009-11-01 v10 Moved to http://stackwalker.codeplex.com/
+ * 2009-11-02 v11 Now try to use IMAGEHLP_MODULE64_V3 if available
+ * 2010-04-15 v12 Added support for VS2010 RTM
+ * 2010-05-25 v13 Now using secure MyStrcCpy. Thanks to luke.simon:
+ * http://www.codeproject.com/KB/applications/leakfinder.aspx?msg=3477467#xx3477467xx
+ * 2013-01-07 v14 Runtime Check Error VS2010 Debug Builds fixed:
+ * http://stackwalker.codeplex.com/workitem/10511
+ *
+ *
+ * LICENSE (http://www.opensource.org/licenses/bsd-license.php)
+ *
+ * Copyright (c) 2005-2013, Jochen Kalmbach
+ * 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 Jochen Kalmbach 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.
+ *
+ **********************************************************************/
+
+#include "StackWalker.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <tchar.h>
+#pragma comment(lib, "version.lib") // for "VerQueryValue"
+#pragma comment(lib, "Advapi32.lib") // for "GetUserName"
+#pragma warning(disable : 4826)
+
+#ifdef UNICODE
+ #define DBGHELP_TRANSLATE_TCHAR
+
+#endif
+#pragma pack(push, 8)
+#include <dbghelp.h>
+#pragma pack(pop)
+
+
+static void MyStrCpy(TCHAR* szDest, size_t nMaxDestSize, const TCHAR* szSrc)
+{
+ if (nMaxDestSize <= 0)
+ return;
+ _tcsncpy_s(szDest, nMaxDestSize, szSrc, _TRUNCATE);
+ // INFO: _TRUNCATE will ensure that it is null-terminated;
+ // but with older compilers (<1400) it uses "strncpy" and this does not!)
+ szDest[nMaxDestSize - 1] = 0;
+} // MyStrCpy
+
+#ifdef _UNICODE
+ typedef SYMBOL_INFOW tSymbolInfo;
+ typedef IMAGEHLP_LINEW64 tImageHelperLine;
+#else
+ typedef SYMBOL_INFO tSymbolInfo;
+ typedef IMAGEHLP_LINE64 tImageHelperLine;
+#endif
+
+// Normally it should be enough to use 'CONTEXT_FULL' (better would be 'CONTEXT_ALL')
+#define USED_CONTEXT_FLAGS CONTEXT_FULL
+
+class StackWalkerInternal
+{
+public:
+ StackWalkerInternal(StackWalker* parent, HANDLE hProcess)
+ {
+ m_parent = parent;
+ m_hDbhHelp = NULL;
+ symCleanup = NULL;
+ m_hProcess = hProcess;
+ m_szSymPath = NULL;
+ symFunctionTableAccess64 = NULL;
+ symGetLineFromAddr64 = NULL;
+ symGetModuleBase64 = NULL;
+ symGetModuleInfo64 = NULL;
+ symGetOptions = NULL;
+ symFromAddr = NULL;
+ symInitialize = NULL;
+ symLoadModuleEx = NULL;
+ symSetOptions = NULL;
+ stackWalk64 = NULL;
+ unDecorateSymbolName = NULL;
+ symGetSearchPath = NULL;
+ }
+ ~StackWalkerInternal()
+ {
+ if (symCleanup != NULL)
+ symCleanup(m_hProcess); // SymCleanup
+ if (m_hDbhHelp != NULL)
+ FreeLibrary(m_hDbhHelp);
+ m_hDbhHelp = NULL;
+ m_parent = NULL;
+ if (m_szSymPath != NULL)
+ free(m_szSymPath);
+ m_szSymPath = NULL;
+ }
+ BOOL Init(LPCTSTR szSymPath)
+ {
+ if (m_parent == NULL)
+ return FALSE;
+ // Dynamically load the Entry-Points for dbghelp.dll:
+ // First try to load the newest one from
+ TCHAR szTemp[4096];
+ // But before we do this, we first check if the ".local" file exists
+ if (GetModuleFileName(NULL, szTemp, 4096) > 0)
+ {
+ _tcscat_s(szTemp, _T(".local"));
+ if (GetFileAttributes(szTemp) == INVALID_FILE_ATTRIBUTES)
+ {
+ // ".local" file does not exist, so we can try to load the dbghelp.dll from the "Debugging Tools for Windows"
+ // Ok, first try the new path according to the architecture:
+#ifdef _M_IX86
+ if ((m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0))
+ {
+ _tcscat_s(szTemp, _T("\\Debugging Tools for Windows (x86)\\dbghelp.dll"));
+ // now check if the file exists:
+ if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES)
+ {
+ m_hDbhHelp = LoadLibrary(szTemp);
+ }
+ }
+#elif _M_X64
+ if ((m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0))
+ {
+ _tcscat_s(szTemp, _T("\\Debugging Tools for Windows (x64)\\dbghelp.dll"));
+ // now check if the file exists:
+ if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES)
+ {
+ m_hDbhHelp = LoadLibrary(szTemp);
+ }
+ }
+#elif _M_IA64
+ if ((m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0))
+ {
+ _tcscat_s(szTemp, _T("\\Debugging Tools for Windows (ia64)\\dbghelp.dll"));
+ // now check if the file exists:
+ if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES)
+ {
+ m_hDbhHelp = LoadLibrary(szTemp);
+ }
+ }
+#endif
+ // If still not found, try the old directories...
+ if ((m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0))
+ {
+ _tcscat_s(szTemp, _T("\\Debugging Tools for Windows\\dbghelp.dll"));
+ // now check if the file exists:
+ if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES)
+ {
+ m_hDbhHelp = LoadLibrary(szTemp);
+ }
+ }
+#if defined _M_X64 || defined _M_IA64
+ // Still not found? Then try to load the (old) 64-Bit version:
+ if ((m_hDbhHelp == NULL) && (GetEnvironmentVariable(_T("ProgramFiles"), szTemp, 4096) > 0))
+ {
+ _tcscat_s(szTemp, _T("\\Debugging Tools for Windows 64-Bit\\dbghelp.dll"));
+ if (GetFileAttributes(szTemp) != INVALID_FILE_ATTRIBUTES)
+ {
+ m_hDbhHelp = LoadLibrary(szTemp);
+ }
+ }
+#endif
+ }
+ }
+ if (m_hDbhHelp == NULL) // if not already loaded, try to load a default-one
+ m_hDbhHelp = LoadLibrary(_T("dbghelp.dll"));
+ if (m_hDbhHelp == NULL)
+ return FALSE;
+
+#ifdef _UNICODE
+ static const char strSymInitialize[] = "SymInitializeW";
+ static const char strUnDecorateSymbolName[] = "UnDecorateSymbolNameW";
+ static const char strSymGetSearchPath[] = "SymGetSearchPathW";
+ static const char strSymLoadModuleEx[] = "SymLoadModuleExW";
+ static const char strSymGetLineFromAddr64[] = "SymGetLineFromAddrW64";
+ static const char strSymGetModuleInfo64[] = "SymGetModuleInfoW64";
+ static const char strSymFromAddr[] = "SymFromAddrW";
+#else
+ static const char strSymInitialize[] = "SymInitialize";
+ static const char strUnDecorateSymbolName[] = "UnDecorateSymbolName";
+ static const char strSymGetSearchPath[] = "SymGetSearchPath";
+ static const char strSymLoadModuleEx[] = "SymLoadModuleEx";
+ static const char strSymGetLineFromAddr64[] = "SymGetLineFromAddr64";
+ static const char strSymGetModuleInfo64[] = "SymGetModuleInfo64";
+ static const char strSymFromAddr[] = "SymFromAddr";
+#endif
+ symInitialize = (tSI)GetProcAddress(m_hDbhHelp, strSymInitialize);
+ symCleanup = (tSC)GetProcAddress(m_hDbhHelp, "SymCleanup");
+
+ stackWalk64 = (tSW)GetProcAddress(m_hDbhHelp, "StackWalk64");
+ symGetOptions = (tSGO)GetProcAddress(m_hDbhHelp, "SymGetOptions");
+ symSetOptions = (tSSO)GetProcAddress(m_hDbhHelp, "SymSetOptions");
+
+ symFunctionTableAccess64 = (tSFTA)GetProcAddress(m_hDbhHelp, "SymFunctionTableAccess64");
+ symGetLineFromAddr64 = (tSGLFA)GetProcAddress(m_hDbhHelp, strSymGetLineFromAddr64);
+ symGetModuleBase64 = (tSGMB)GetProcAddress(m_hDbhHelp, "SymGetModuleBase64");
+ symGetModuleInfo64 = (tSGMI)GetProcAddress(m_hDbhHelp, strSymGetModuleInfo64);
+ symFromAddr = (tSFA)GetProcAddress(m_hDbhHelp, strSymFromAddr);
+ unDecorateSymbolName = (tUDSN)GetProcAddress(m_hDbhHelp, strUnDecorateSymbolName);
+ symLoadModuleEx = (tSLM)GetProcAddress(m_hDbhHelp, strSymLoadModuleEx);
+ symGetSearchPath = (tSGSP)GetProcAddress(m_hDbhHelp, strSymGetSearchPath);
+
+ if (symCleanup == NULL || symFunctionTableAccess64 == NULL || symGetModuleBase64 == NULL || symGetModuleInfo64 == NULL || symGetOptions == NULL ||
+ symFromAddr == NULL || symInitialize == NULL || symSetOptions == NULL || stackWalk64 == NULL || unDecorateSymbolName == NULL ||
+ symLoadModuleEx == NULL)
+ {
+ FreeLibrary(m_hDbhHelp);
+ m_hDbhHelp = NULL;
+ symCleanup = NULL;
+ return FALSE;
+ }
+
+ // SymInitialize
+ if (szSymPath != NULL)
+ m_szSymPath = _tcsdup(szSymPath);
+ if (this->symInitialize(m_hProcess, m_szSymPath, FALSE) == FALSE)
+ this->m_parent->OnDbgHelpErr(_T("SymInitialize"), GetLastError(), 0);
+
+ DWORD symOptions = this->symGetOptions(); // SymGetOptions
+ symOptions |= SYMOPT_LOAD_LINES;
+ symOptions |= SYMOPT_FAIL_CRITICAL_ERRORS;
+ //symOptions |= SYMOPT_NO_PROMPTS;
+ // SymSetOptions
+ symOptions = this->symSetOptions(symOptions);
+
+ TCHAR buf[StackWalker::STACKWALK_MAX_NAMELEN] = {0};
+ if (this->symGetSearchPath != NULL)
+ {
+ if (this->symGetSearchPath(m_hProcess, buf, StackWalker::STACKWALK_MAX_NAMELEN) == FALSE)
+ this->m_parent->OnDbgHelpErr(_T("SymGetSearchPath"), GetLastError(), 0);
+ }
+ TCHAR szUserName[1024] = {0};
+ DWORD dwSize = 1024;
+ GetUserName(szUserName, &dwSize);
+ this->m_parent->OnSymInit(buf, symOptions, szUserName);
+
+ return TRUE;
+ }
+
+ StackWalker* m_parent;
+
+ HMODULE m_hDbhHelp;
+ HANDLE m_hProcess;
+ LPTSTR m_szSymPath;
+
+#pragma pack(push, 8)
+ typedef struct IMAGEHLP_MODULE64_V3
+ {
+ DWORD SizeOfStruct; // set to sizeof(IMAGEHLP_MODULE64)
+ DWORD64 BaseOfImage; // base load address of module
+ DWORD ImageSize; // virtual size of the loaded module
+ DWORD TimeDateStamp; // date/time stamp from pe header
+ DWORD CheckSum; // checksum from the pe header
+ DWORD NumSyms; // number of symbols in the symbol table
+ SYM_TYPE SymType; // type of symbols loaded
+ TCHAR ModuleName[32]; // module name
+ TCHAR ImageName[256]; // image name
+ TCHAR LoadedImageName[256]; // symbol file name
+ // new elements: 07-Jun-2002
+ TCHAR LoadedPdbName[256]; // pdb file name
+ DWORD CVSig; // Signature of the CV record in the debug directories
+ TCHAR CVData[MAX_PATH * 3]; // Contents of the CV record
+ DWORD PdbSig; // Signature of PDB
+ GUID PdbSig70; // Signature of PDB (VC 7 and up)
+ DWORD PdbAge; // DBI age of pdb
+ BOOL PdbUnmatched; // loaded an unmatched pdb
+ BOOL DbgUnmatched; // loaded an unmatched dbg
+ BOOL LineNumbers; // we have line number information
+ BOOL GlobalSymbols; // we have internal symbol information
+ BOOL TypeInfo; // we have type information
+ // new elements: 17-Dec-2003
+ BOOL SourceIndexed; // pdb supports source server
+ BOOL Publics; // contains public symbols
+ };
+
+ typedef struct IMAGEHLP_MODULE64_V2
+ {
+ DWORD SizeOfStruct; // set to sizeof(IMAGEHLP_MODULE64)
+ DWORD64 BaseOfImage; // base load address of module
+ DWORD ImageSize; // virtual size of the loaded module
+ DWORD TimeDateStamp; // date/time stamp from pe header
+ DWORD CheckSum; // checksum from the pe header
+ DWORD NumSyms; // number of symbols in the symbol table
+ SYM_TYPE SymType; // type of symbols loaded
+ CHAR ModuleName[32]; // module name
+ CHAR ImageName[256]; // image name
+ CHAR LoadedImageName[256]; // symbol file name
+ };
+#pragma pack(pop)
+
+ // SymCleanup()
+ typedef BOOL(__stdcall* tSC)(IN HANDLE hProcess);
+ tSC symCleanup;
+
+ // SymFunctionTableAccess64()
+ typedef PVOID(__stdcall* tSFTA)(HANDLE hProcess, DWORD64 AddrBase);
+ tSFTA symFunctionTableAccess64;
+
+ // SymGetLineFromAddr64()
+ typedef BOOL(__stdcall* tSGLFA)(IN HANDLE hProcess,
+ IN DWORD64 dwAddr,
+ OUT PDWORD pdwDisplacement,
+ OUT tImageHelperLine* Line);
+ tSGLFA symGetLineFromAddr64;
+
+ // SymGetModuleBase64()
+ typedef DWORD64(__stdcall* tSGMB)(IN HANDLE hProcess, IN DWORD64 dwAddr);
+ tSGMB symGetModuleBase64;
+
+ // SymGetModuleInfo64()
+ typedef BOOL(__stdcall* tSGMI)(IN HANDLE hProcess,
+ IN DWORD64 dwAddr,
+ OUT IMAGEHLP_MODULE64_V3* ModuleInfo);
+ tSGMI symGetModuleInfo64;
+
+ // SymGetOptions()
+ typedef DWORD(__stdcall* tSGO)(VOID);
+ tSGO symGetOptions;
+
+
+ // SymGetSymFromAddr64()
+ typedef BOOL(__stdcall* tSFA)(IN HANDLE hProcess,
+ IN DWORD64 Address,
+ OUT PDWORD64 pdwDisplacement,
+ OUT tSymbolInfo* Symbol);
+ tSFA symFromAddr;
+
+ // SymInitialize()
+ typedef BOOL(__stdcall* tSI)(IN HANDLE hProcess, IN PTSTR UserSearchPath, IN BOOL fInvadeProcess);
+ tSI symInitialize;
+
+ // SymLoadModule64()
+ typedef DWORD64(__stdcall* tSLM)(IN HANDLE hProcess,
+ IN HANDLE hFile,
+ IN PTSTR ImageName,
+ IN PTSTR ModuleName,
+ IN DWORD64 BaseOfDll,
+ IN DWORD SizeOfDll,
+ IN PMODLOAD_DATA Data,
+ IN DWORD Flags);
+ tSLM symLoadModuleEx;
+
+ // SymSetOptions()
+ typedef DWORD(__stdcall* tSSO)(IN DWORD SymOptions);
+ tSSO symSetOptions;
+
+ // StackWalk64()
+ typedef BOOL(__stdcall* tSW)(DWORD MachineType,
+ HANDLE hProcess,
+ HANDLE hThread,
+ LPSTACKFRAME64 StackFrame,
+ PVOID ContextRecord,
+ PREAD_PROCESS_MEMORY_ROUTINE64 ReadMemoryRoutine,
+ PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
+ PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
+ PTRANSLATE_ADDRESS_ROUTINE64 TranslateAddress);
+ tSW stackWalk64;
+
+ // UnDecorateSymbolName()
+ typedef DWORD(__stdcall WINAPI* tUDSN)(PCTSTR DecoratedName,
+ PTSTR UnDecoratedName,
+ DWORD UndecoratedLength,
+ DWORD Flags);
+ tUDSN unDecorateSymbolName;
+
+ typedef BOOL(__stdcall WINAPI* tSGSP)(HANDLE hProcess, PTSTR SearchPath, DWORD SearchPathLength);
+ tSGSP symGetSearchPath;
+
+private:
+// **************************************** ToolHelp32 ************************
+#define MAX_MODULE_NAME32 255
+#define TH32CS_SNAPMODULE 0x00000008
+#pragma pack(push, 8)
+ typedef struct tagMODULEENTRY32
+ {
+ DWORD dwSize;
+ DWORD th32ModuleID; // This module
+ DWORD th32ProcessID; // owning process
+ DWORD GlblcntUsage; // Global usage count on the module
+ DWORD ProccntUsage; // Module usage count in th32ProcessID's context
+ BYTE* modBaseAddr; // Base address of module in th32ProcessID's context
+ DWORD modBaseSize; // Size in bytes of module starting at modBaseAddr
+ HMODULE hModule; // The hModule of this module in th32ProcessID's context
+ TCHAR szModule[MAX_MODULE_NAME32 + 1];
+ TCHAR szExePath[MAX_PATH];
+ } MODULEENTRY32;
+ typedef MODULEENTRY32* PMODULEENTRY32;
+ typedef MODULEENTRY32* LPMODULEENTRY32;
+#pragma pack(pop)
+
+ BOOL GetModuleListTH32(HANDLE hProcess, DWORD pid)
+ {
+ // CreateToolhelp32Snapshot()
+ typedef HANDLE(__stdcall * tCT32S)(DWORD dwFlags, DWORD th32ProcessID);
+ // Module32First()
+ typedef BOOL(__stdcall * tM32F)(HANDLE hSnapshot, LPMODULEENTRY32 lpme);
+ // Module32Next()
+ typedef BOOL(__stdcall * tM32N)(HANDLE hSnapshot, LPMODULEENTRY32 lpme);
+
+ // try both dlls...
+ const TCHAR* dllname[] = {_T("kernel32.dll"), _T("tlhelp32.dll")};
+ HINSTANCE hToolhelp = NULL;
+ tCT32S createToolhelp32Snapshot = NULL;
+ tM32F module32First = NULL;
+ tM32N module32Next = NULL;
+
+ HANDLE hSnap;
+ MODULEENTRY32 moduleEntry32;
+ moduleEntry32.dwSize = sizeof(moduleEntry32);
+ BOOL keepGoing;
+
+#ifdef _UNICODE
+ static const char strModule32First[] = "Module32FirstW";
+ static const char strModule32Next[] = "Module32NextW";
+ #else
+ static const char strModule32First[] = "Module32First";
+ static const char strModule32Next[] = "Module32Next";
+#endif
+ for (size_t i = 0; i < (sizeof(dllname) / sizeof(dllname[0])); i++)
+ {
+ hToolhelp = LoadLibrary(dllname[i]);
+ if (hToolhelp == NULL)
+ continue;
+ createToolhelp32Snapshot = (tCT32S)GetProcAddress(hToolhelp, "CreateToolhelp32Snapshot");
+ module32First = (tM32F)GetProcAddress(hToolhelp, strModule32First);
+ module32Next = (tM32N)GetProcAddress(hToolhelp, strModule32Next);
+ if ((createToolhelp32Snapshot != NULL) && (module32First != NULL) && (module32Next != NULL))
+ break; // found the functions!
+ FreeLibrary(hToolhelp);
+ hToolhelp = NULL;
+ }
+
+ if (hToolhelp == NULL)
+ return FALSE;
+
+ hSnap = createToolhelp32Snapshot(TH32CS_SNAPMODULE, pid);
+ if (hSnap == (HANDLE)-1)
+ {
+ FreeLibrary(hToolhelp);
+ return FALSE;
+ }
+
+ keepGoing = !!module32First(hSnap, &moduleEntry32);
+ int cnt = 0;
+ while (keepGoing)
+ {
+ this->LoadModule(hProcess, moduleEntry32.szExePath, moduleEntry32.szModule, (DWORD64)moduleEntry32.modBaseAddr,
+ moduleEntry32.modBaseSize);
+ cnt++;
+ keepGoing = !!module32Next(hSnap, &moduleEntry32);
+ }
+ CloseHandle(hSnap);
+ FreeLibrary(hToolhelp);
+ if (cnt <= 0)
+ return FALSE;
+ return TRUE;
+ } // GetModuleListTH32
+
+ // **************************************** PSAPI ************************
+ typedef struct _MODULEINFO
+ {
+ LPVOID lpBaseOfDll;
+ DWORD SizeOfImage;
+ LPVOID EntryPoint;
+ } MODULEINFO, *LPMODULEINFO;
+
+ BOOL GetModuleListPSAPI(HANDLE hProcess)
+ {
+ // EnumProcessModules()
+ typedef BOOL(__stdcall * tEPM)(HANDLE hProcess, HMODULE * lphModule, DWORD cb,
+ LPDWORD lpcbNeeded);
+ // GetModuleFileNameEx()
+ typedef DWORD(__stdcall * tGMFNE)(HANDLE hProcess, HMODULE hModule, LPTSTR lpFilename,
+ DWORD nSize);
+ // GetModuleBaseName()
+ typedef DWORD(__stdcall * tGMBN)(HANDLE hProcess, HMODULE hModule, LPTSTR lpFilename,
+ DWORD nSize);
+ // GetModuleInformation()
+ typedef BOOL(__stdcall * tGMI)(HANDLE hProcess, HMODULE hModule, LPMODULEINFO pmi, DWORD nSize);
+
+ //ModuleEntry e;
+ DWORD cbNeeded;
+ MODULEINFO mi;
+ HMODULE* hMods = 0;
+ TCHAR* tt = NULL;
+ TCHAR* tt2 = NULL;
+ const SIZE_T TTBUFLEN = 8096;
+ int cnt = 0;
+
+ HINSTANCE hPsapi = LoadLibrary(_T("psapi.dll"));
+ if (hPsapi == NULL)
+ return FALSE;
+
+#ifdef _UNICODE
+ static const char strGetModuleFileName[] = "GetModuleFileNameExW";
+ static const char strGetModuleBaseName[] = "GetModuleBaseNameW";
+#else
+ static const char strGetModuleFileName[] = "GetModulefileNameExA";
+ static const char strGetModuleBaseName[] = "GetModuleBaseNameA";
+#endif
+
+ tEPM enumProcessModules = (tEPM)GetProcAddress(hPsapi, "EnumProcessModules");
+ tGMFNE getModuleFileNameEx = (tGMFNE)GetProcAddress(hPsapi, strGetModuleFileName);
+ tGMBN getModuleBaseName = (tGMFNE)GetProcAddress(hPsapi, strGetModuleBaseName);
+ tGMI getModuleInformation = (tGMI)GetProcAddress(hPsapi, "GetModuleInformation");
+ if ((enumProcessModules == NULL) || (getModuleFileNameEx == NULL) ||
+ (getModuleBaseName == NULL) || (getModuleInformation == NULL))
+ {
+ // we couldn't find all functions
+ FreeLibrary(hPsapi);
+ return FALSE;
+ }
+
+ hMods = (HMODULE*)malloc(sizeof(HMODULE) * (TTBUFLEN / sizeof(HMODULE)));
+ tt = (TCHAR*)malloc(sizeof(TCHAR) * TTBUFLEN);
+ tt2 = (TCHAR*)malloc(sizeof(TCHAR) * TTBUFLEN);
+ if ((hMods == NULL) || (tt == NULL) || (tt2 == NULL))
+ goto cleanup;
+
+ if (!enumProcessModules(hProcess, hMods, TTBUFLEN, &cbNeeded))
+ {
+ //_ftprintf(fLogFile, _T("%lu: EPM failed, GetLastError = %lu\n"), g_dwShowCount, gle );
+ goto cleanup;
+ }
+
+ if (cbNeeded > TTBUFLEN)
+ {
+ //_ftprintf(fLogFile, _T("%lu: More than %lu module handles. Huh?\n"), g_dwShowCount, lenof( hMods ) );
+ goto cleanup;
+ }
+
+ for (DWORD i = 0; i < cbNeeded / sizeof(hMods[0]); i++)
+ {
+ // base address, size
+ getModuleInformation(hProcess, hMods[i], &mi, sizeof(mi));
+ // image file name
+ tt[0] = 0;
+ getModuleFileNameEx(hProcess, hMods[i], tt, TTBUFLEN);
+ // module name
+ tt2[0] = 0;
+ getModuleBaseName(hProcess, hMods[i], tt2, TTBUFLEN);
+
+ DWORD dwRes = this->LoadModule(hProcess, tt, tt2, (DWORD64)mi.lpBaseOfDll, mi.SizeOfImage);
+ if (dwRes != ERROR_SUCCESS)
+ this->m_parent->OnDbgHelpErr(_T("LoadModule"), dwRes, 0);
+ cnt++;
+ }
+
+ cleanup:
+ if (hPsapi != NULL)
+ FreeLibrary(hPsapi);
+ if (tt2 != NULL)
+ free(tt2);
+ if (tt != NULL)
+ free(tt);
+ if (hMods != NULL)
+ free(hMods);
+
+ return cnt != 0;
+ } // GetModuleListPSAPI
+
+ DWORD LoadModule(HANDLE hProcess, LPCTSTR img, LPCTSTR mod, DWORD64 baseAddr, DWORD size)
+ {
+ TCHAR* szImg = _tcsdup(img);
+ TCHAR* szMod = _tcsdup(mod);
+ DWORD result = ERROR_SUCCESS;
+ if ((szImg == NULL) || (szMod == NULL))
+ result = ERROR_NOT_ENOUGH_MEMORY;
+ else
+ {
+ if (symLoadModuleEx(hProcess, 0, szImg, szMod, baseAddr, size, 0, 0) == 0)
+ result = GetLastError();
+ }
+ ULONGLONG fileVersion = 0;
+ if ((m_parent != NULL) && (szImg != NULL))
+ {
+ // try to retrieve the file-version:
+ if ((this->m_parent->m_options & StackWalker::RetrieveFileVersion) != 0)
+ {
+ VS_FIXEDFILEINFO* fInfo = NULL;
+ DWORD dwHandle;
+ DWORD dwSize = GetFileVersionInfoSize(szImg, &dwHandle);
+ if (dwSize > 0)
+ {
+ LPVOID vData = malloc(dwSize);
+ if (vData != NULL)
+ {
+ if (GetFileVersionInfo(szImg, dwHandle, dwSize, vData) != 0)
+ {
+ UINT len;
+ TCHAR szSubBlock[] = _T("\\");
+ if (VerQueryValue(vData, szSubBlock, (LPVOID*)&fInfo, &len) == 0)
+ fInfo = NULL;
+ else
+ {
+ fileVersion =
+ ((ULONGLONG)fInfo->dwFileVersionLS) + ((ULONGLONG)fInfo->dwFileVersionMS << 32);
+ }
+ }
+ free(vData);
+ }
+ }
+ }
+
+ // Retrieve some additional-infos about the module
+ IMAGEHLP_MODULE64_V3 Module;
+ const TCHAR* szSymType = _T("-unknown-");
+ if (this->GetModuleInfo(hProcess, baseAddr, &Module) != FALSE)
+ {
+ switch (Module.SymType)
+ {
+ case SymNone:
+ szSymType = _T("-nosymbols-");
+ break;
+ case SymCoff: // 1
+ szSymType = _T("COFF");
+ break;
+ case SymCv: // 2
+ szSymType = _T("CV");
+ break;
+ case SymPdb: // 3
+ szSymType = _T("PDB");
+ break;
+ case SymExport: // 4
+ szSymType = _T("-exported-");
+ break;
+ case SymDeferred: // 5
+ szSymType = _T("-deferred-");
+ break;
+ case SymSym: // 6
+ szSymType = _T("SYM");
+ break;
+ case 7: // SymDia:
+ szSymType = _T("DIA");
+ break;
+ case 8: //SymVirtual:
+ szSymType = _T("Virtual");
+ break;
+ }
+ }
+ LPCTSTR pdbName = Module.LoadedImageName;
+ if (Module.LoadedPdbName[0] != 0)
+ pdbName = Module.LoadedPdbName;
+ this->m_parent->OnLoadModule(img, mod, baseAddr, size, result, szSymType, pdbName,
+ fileVersion);
+ }
+ if (szImg != NULL)
+ free(szImg);
+ if (szMod != NULL)
+ free(szMod);
+ return result;
+ }
+
+public:
+ BOOL LoadModules(HANDLE hProcess, DWORD dwProcessId)
+ {
+ // first try toolhelp32
+ if (GetModuleListTH32(hProcess, dwProcessId))
+ return true;
+ // then try psapi
+ return GetModuleListPSAPI(hProcess);
+ }
+
+ BOOL GetModuleInfo(HANDLE hProcess, DWORD64 baseAddr, IMAGEHLP_MODULE64_V3* pModuleInfo)
+ {
+ memset(pModuleInfo, 0, sizeof(IMAGEHLP_MODULE64_V3));
+ if (this->symGetModuleInfo64 == NULL)
+ {
+ SetLastError(ERROR_DLL_INIT_FAILED);
+ return FALSE;
+ }
+ // First try to use the larger ModuleInfo-Structure
+ pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V3);
+ void* pData = malloc(
+ 4096); // reserve enough memory, so the bug in v6.3.5.1 does not lead to memory-overwrites...
+ if (pData == NULL)
+ {
+ SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+ return FALSE;
+ }
+ memcpy(pData, pModuleInfo, sizeof(IMAGEHLP_MODULE64_V3));
+ static bool s_useV3Version = true;
+ if (s_useV3Version)
+ {
+ if (this->symGetModuleInfo64(hProcess, baseAddr, (IMAGEHLP_MODULE64_V3*)pData) != FALSE)
+ {
+ // only copy as much memory as is reserved...
+ memcpy(pModuleInfo, pData, sizeof(IMAGEHLP_MODULE64_V3));
+ pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V3);
+ free(pData);
+ return TRUE;
+ }
+ s_useV3Version = false; // to prevent unnecessary calls with the larger struct...
+ }
+
+ // could not retrieve the bigger structure, try with the smaller one (as defined in VC7.1)...
+ pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V2);
+ memcpy(pData, pModuleInfo, sizeof(IMAGEHLP_MODULE64_V2));
+ if (this->symGetModuleInfo64(hProcess, baseAddr, (IMAGEHLP_MODULE64_V3*)pData) != FALSE)
+ {
+ // only copy as much memory as is reserved...
+ memcpy(pModuleInfo, pData, sizeof(IMAGEHLP_MODULE64_V2));
+ pModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64_V2);
+ free(pData);
+ return TRUE;
+ }
+ free(pData);
+ SetLastError(ERROR_DLL_INIT_FAILED);
+ return FALSE;
+ }
+};
+
+// #############################################################
+StackWalker::StackWalker(DWORD dwProcessId, HANDLE hProcess)
+{
+ this->m_options = OptionsAll;
+ this->m_modulesLoaded = FALSE;
+ this->m_hProcess = hProcess;
+ this->m_sw = new StackWalkerInternal(this, this->m_hProcess);
+ this->m_dwProcessId = dwProcessId;
+ this->m_szSymPath = NULL;
+ this->m_MaxRecursionCount = 1000;
+}
+StackWalker::StackWalker(int options, LPCTSTR szSymPath, DWORD dwProcessId, HANDLE hProcess)
+{
+ this->m_options = options;
+ this->m_modulesLoaded = FALSE;
+ this->m_hProcess = hProcess;
+ this->m_sw = new StackWalkerInternal(this, this->m_hProcess);
+ this->m_dwProcessId = dwProcessId;
+ if (szSymPath != NULL)
+ {
+ this->m_szSymPath = _tcsdup(szSymPath);
+ this->m_options |= SymBuildPath;
+ }
+ else
+ this->m_szSymPath = NULL;
+ this->m_MaxRecursionCount = 1000;
+}
+
+StackWalker::~StackWalker()
+{
+ if (m_szSymPath != NULL)
+ free(m_szSymPath);
+ m_szSymPath = NULL;
+ if (this->m_sw != NULL)
+ delete this->m_sw;
+ this->m_sw = NULL;
+}
+
+BOOL StackWalker::LoadModules()
+{
+ if (this->m_sw == NULL)
+ {
+ SetLastError(ERROR_DLL_INIT_FAILED);
+ return FALSE;
+ }
+ if (m_modulesLoaded != FALSE)
+ return TRUE;
+
+ // Build the sym-path:
+ TCHAR* szSymPath = NULL;
+ if ((this->m_options & SymBuildPath) != 0)
+ {
+ const size_t nSymPathLen = 4096;
+ szSymPath = (TCHAR*)malloc(nSymPathLen * sizeof(TCHAR));
+ if (szSymPath == NULL)
+ {
+ SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+ return FALSE;
+ }
+ szSymPath[0] = 0;
+ // Now first add the (optional) provided sympath:
+ if (this->m_szSymPath != NULL)
+ {
+ _tcscat_s(szSymPath, nSymPathLen, this->m_szSymPath);
+ _tcscat_s(szSymPath, nSymPathLen, _T(";"));
+ }
+
+ _tcscat_s(szSymPath, nSymPathLen, _T(".;"));
+
+ const size_t nTempLen = 1024;
+ TCHAR szTemp[nTempLen];
+ // Now add the current directory:
+ if (GetCurrentDirectory(nTempLen, szTemp) > 0)
+ {
+ szTemp[nTempLen - 1] = 0;
+ _tcscat_s(szSymPath, nSymPathLen, szTemp);
+ _tcscat_s(szSymPath, nSymPathLen, _T(";"));
+ }
+
+ // Now add the path for the main-module:
+ if (GetModuleFileName(NULL, szTemp, nTempLen) > 0)
+ {
+ szTemp[nTempLen - 1] = 0;
+ for (TCHAR* p = (szTemp + _tcslen(szTemp) - 1); p >= szTemp; --p)
+ {
+ // locate the rightmost path separator
+ if ((*p == '\\') || (*p == '/') || (*p == ':'))
+ {
+ *p = 0;
+ break;
+ }
+ } // for (search for path separator...)
+ if (_tcslen(szTemp) > 0)
+ {
+ _tcscat_s(szSymPath, nSymPathLen, szTemp);
+ _tcscat_s(szSymPath, nSymPathLen, _T(";"));
+ }
+ }
+ if (GetEnvironmentVariable(_T("_NT_SYMBOL_PATH"), szTemp, nTempLen) > 0)
+ {
+ szTemp[nTempLen - 1] = 0;
+ _tcscat_s(szSymPath, nSymPathLen, szTemp);
+ _tcscat_s(szSymPath, nSymPathLen, _T(";"));
+ }
+ if (GetEnvironmentVariable(_T("_NT_ALTERNATE_SYMBOL_PATH"), szTemp, nTempLen) > 0)
+ {
+ szTemp[nTempLen - 1] = 0;
+ _tcscat_s(szSymPath, nSymPathLen, szTemp);
+ _tcscat_s(szSymPath, nSymPathLen, _T(";"));
+ }
+ if (GetEnvironmentVariable(_T("SYSTEMROOT"), szTemp, nTempLen) > 0)
+ {
+ szTemp[nTempLen - 1] = 0;
+ _tcscat_s(szSymPath, nSymPathLen, szTemp);
+ _tcscat_s(szSymPath, nSymPathLen, _T(";"));
+ // also add the "system32"-directory:
+ _tcscat_s(szTemp, nTempLen, _T("\\system32"));
+ _tcscat_s(szSymPath, nSymPathLen, szTemp);
+ _tcscat_s(szSymPath, nSymPathLen, _T(";"));
+ }
+
+ if ((this->m_options & SymUseSymSrv) != 0)
+ {
+ if (GetEnvironmentVariable(_T("SYSTEMDRIVE"), szTemp, nTempLen) > 0)
+ {
+ szTemp[nTempLen - 1] = 0;
+ _tcscat_s(szSymPath, nSymPathLen, _T("SRV*"));
+ _tcscat_s(szSymPath, nSymPathLen, szTemp);
+ _tcscat_s(szSymPath, nSymPathLen, _T("\\websymbols"));
+ _tcscat_s(szSymPath, nSymPathLen, _T("*http://msdl.microsoft.com/download/symbols;"));
+ }
+ else
+ _tcscat_s(szSymPath, nSymPathLen,
+ _T("SRV*c:\\websymbols*http://msdl.microsoft.com/download/symbols;"));
+ }
+ } // if SymBuildPath
+
+ // First Init the whole stuff...
+ BOOL bRet = this->m_sw->Init(szSymPath);
+ if (szSymPath != NULL)
+ free(szSymPath);
+ szSymPath = NULL;
+ if (bRet == FALSE)
+ {
+ this->OnDbgHelpErr(_T("Error while initializing dbghelp.dll"), 0, 0);
+ SetLastError(ERROR_DLL_INIT_FAILED);
+ return FALSE;
+ }
+
+ bRet = this->m_sw->LoadModules(this->m_hProcess, this->m_dwProcessId);
+ if (bRet != FALSE)
+ m_modulesLoaded = TRUE;
+ return bRet;
+}
+
+// The following is used to pass the "userData"-Pointer to the user-provided readMemoryFunction
+// This has to be done due to a problem with the "hProcess"-parameter in x64...
+// Because this class is in no case multi-threading-enabled (because of the limitations
+// of dbghelp.dll) it is "safe" to use a static-variable
+static StackWalker::PReadProcessMemoryRoutine s_readMemoryFunction = NULL;
+static LPVOID s_readMemoryFunction_UserData = NULL;
+
+BOOL StackWalker::ShowCallstack(HANDLE hThread,
+ const CONTEXT* context,
+ PReadProcessMemoryRoutine readMemoryFunction,
+ LPVOID pUserData)
+{
+ CONTEXT c;
+ CallstackEntry csEntry;
+
+ tSymbolInfo* pSym = NULL;
+ StackWalkerInternal::IMAGEHLP_MODULE64_V3 Module;
+ tImageHelperLine Line;
+ int frameNum;
+ bool bLastEntryCalled = true;
+ int curRecursionCount = 0;
+
+ if (m_modulesLoaded == FALSE)
+ this->LoadModules(); // ignore the result...
+
+ if (this->m_sw->m_hDbhHelp == NULL)
+ {
+ SetLastError(ERROR_DLL_INIT_FAILED);
+ return FALSE;
+ }
+
+ s_readMemoryFunction = readMemoryFunction;
+ s_readMemoryFunction_UserData = pUserData;
+
+ if (context == NULL)
+ {
+ // If no context is provided, capture the context
+ // See: https://stackwalker.codeplex.com/discussions/446958
+#if _WIN32_WINNT <= 0x0501
+ // If we need to support XP, we need to use the "old way", because "GetThreadId" is not available!
+ if (hThread == GetCurrentThread())
+#else
+ if (GetThreadId(hThread) == GetCurrentThreadId())
+#endif
+ {
+ GET_CURRENT_CONTEXT_STACKWALKER_CODEPLEX(c, USED_CONTEXT_FLAGS);
+ }
+ else
+ {
+ SuspendThread(hThread);
+ memset(&c, 0, sizeof(CONTEXT));
+ c.ContextFlags = USED_CONTEXT_FLAGS;
+
+ // TODO: Detect if you want to get a thread context of a different process, which is running a different processor architecture...
+ // This does only work if we are x64 and the target process is x64 or x86;
+ // It cannot work, if this process is x64 and the target process is x64... this is not supported...
+ // See also: http://www.howzatt.demon.co.uk/articles/DebuggingInWin64.html
+ if (GetThreadContext(hThread, &c) == FALSE)
+ {
+ ResumeThread(hThread);
+ return FALSE;
+ }
+ }
+ }
+ else
+ c = *context;
+
+ // init STACKFRAME for first call
+ STACKFRAME64 s; // in/out stackframe
+ memset(&s, 0, sizeof(s));
+ DWORD imageType;
+#ifdef _M_IX86
+ // normally, call ImageNtHeader() and use machine info from PE header
+ imageType = IMAGE_FILE_MACHINE_I386;
+ s.AddrPC.Offset = c.Eip;
+ s.AddrPC.Mode = AddrModeFlat;
+ s.AddrFrame.Offset = c.Ebp;
+ s.AddrFrame.Mode = AddrModeFlat;
+ s.AddrStack.Offset = c.Esp;
+ s.AddrStack.Mode = AddrModeFlat;
+#elif _M_X64
+ imageType = IMAGE_FILE_MACHINE_AMD64;
+ s.AddrPC.Offset = c.Rip;
+ s.AddrPC.Mode = AddrModeFlat;
+ s.AddrFrame.Offset = c.Rsp;
+ s.AddrFrame.Mode = AddrModeFlat;
+ s.AddrStack.Offset = c.Rsp;
+ s.AddrStack.Mode = AddrModeFlat;
+#elif _M_IA64
+ imageType = IMAGE_FILE_MACHINE_IA64;
+ s.AddrPC.Offset = c.StIIP;
+ s.AddrPC.Mode = AddrModeFlat;
+ s.AddrFrame.Offset = c.IntSp;
+ s.AddrFrame.Mode = AddrModeFlat;
+ s.AddrBStore.Offset = c.RsBSP;
+ s.AddrBStore.Mode = AddrModeFlat;
+ s.AddrStack.Offset = c.IntSp;
+ s.AddrStack.Mode = AddrModeFlat;
+#else
+#error "Platform not supported!"
+#endif
+
+ pSym = (tSymbolInfo*)malloc(sizeof(tSymbolInfo) + STACKWALK_MAX_NAMELEN*sizeof(TCHAR));
+ if (!pSym)
+ goto cleanup; // not enough memory...
+ memset(pSym, 0, sizeof(tSymbolInfo) + STACKWALK_MAX_NAMELEN*sizeof(TCHAR));
+ pSym->SizeOfStruct = sizeof(tSymbolInfo);
+ pSym->MaxNameLen = STACKWALK_MAX_NAMELEN;
+
+ memset(&Line, 0, sizeof(Line));
+ Line.SizeOfStruct = sizeof(Line);
+
+ memset(&Module, 0, sizeof(Module));
+ Module.SizeOfStruct = sizeof(Module);
+
+ for (frameNum = 0;; ++frameNum)
+ {
+ // get next stack frame (StackWalk64(), SymFunctionTableAccess64(), SymGetModuleBase64())
+ // if this returns ERROR_INVALID_ADDRESS (487) or ERROR_NOACCESS (998), you can
+ // assume that either you are done, or that the stack is so hosed that the next
+ // deeper frame could not be found.
+ // CONTEXT need not to be supplied if imageTyp is IMAGE_FILE_MACHINE_I386!
+ if (!this->m_sw->stackWalk64(imageType, this->m_hProcess, hThread, &s, &c, myReadProcMem,
+ this->m_sw->symFunctionTableAccess64, this->m_sw->symGetModuleBase64, NULL))
+ {
+ // INFO: "StackWalk64" does not set "GetLastError"...
+ this->OnDbgHelpErr(_T("StackWalk64"), 0, s.AddrPC.Offset);
+ break;
+ }
+
+ csEntry.offset = s.AddrPC.Offset;
+ csEntry.name[0] = 0;
+ csEntry.undName[0] = 0;
+ csEntry.undFullName[0] = 0;
+ csEntry.offsetFromSmybol = 0;
+ csEntry.offsetFromLine = 0;
+ csEntry.lineFileName[0] = 0;
+ csEntry.lineNumber = 0;
+ csEntry.loadedImageName[0] = 0;
+ csEntry.moduleName[0] = 0;
+ if (s.AddrPC.Offset == s.AddrReturn.Offset)
+ {
+ if ((this->m_MaxRecursionCount > 0) && (curRecursionCount > m_MaxRecursionCount))
+ {
+ this->OnDbgHelpErr(_T("StackWalk64-Endless-Callstack!"), 0, s.AddrPC.Offset);
+ break;
+ }
+ curRecursionCount++;
+ }
+ else
+ curRecursionCount = 0;
+ if (s.AddrPC.Offset != 0)
+ {
+ // we seem to have a valid PC
+ // show procedure info (SymGetSymFromAddr64())
+ if (this->m_sw->symFromAddr(this->m_hProcess, s.AddrPC.Offset, &(csEntry.offsetFromSmybol),
+ pSym) != FALSE)
+ {
+ MyStrCpy(csEntry.name, STACKWALK_MAX_NAMELEN, pSym->Name);
+ // UnDecorateSymbolName()
+ DWORD res = this->m_sw->unDecorateSymbolName(pSym->Name, csEntry.undName, STACKWALK_MAX_NAMELEN, UNDNAME_NAME_ONLY);
+ res = this->m_sw->unDecorateSymbolName(pSym->Name, csEntry.undFullName, STACKWALK_MAX_NAMELEN, UNDNAME_COMPLETE);
+ }
+ else
+ {
+ this->OnDbgHelpErr(_T("SymGetSymFromAddr64"), GetLastError(), s.AddrPC.Offset);
+ }
+
+ // show line number info, NT5.0-method (SymGetLineFromAddr64())
+ if (this->m_sw->symGetLineFromAddr64 != NULL)
+ { // yes, we have SymGetLineFromAddr64()
+ if (this->m_sw->symGetLineFromAddr64(this->m_hProcess, s.AddrPC.Offset, &(csEntry.offsetFromLine),
+ &Line) != FALSE)
+ {
+ csEntry.lineNumber = Line.LineNumber;
+ MyStrCpy(csEntry.lineFileName, STACKWALK_MAX_NAMELEN, Line.FileName);
+ }
+ else
+ {
+ this->OnDbgHelpErr(_T("SymGetLineFromAddr64"), GetLastError(), s.AddrPC.Offset);
+ }
+ } // yes, we have SymGetLineFromAddr64()
+
+ // show module info (SymGetModuleInfo64())
+ if (this->m_sw->GetModuleInfo(this->m_hProcess, s.AddrPC.Offset, &Module) != FALSE)
+ { // got module info OK
+ switch (Module.SymType)
+ {
+ case SymNone:
+ csEntry.symTypeString = "-nosymbols-";
+ break;
+ case SymCoff:
+ csEntry.symTypeString = "COFF";
+ break;
+ case SymCv:
+ csEntry.symTypeString = "CV";
+ break;
+ case SymPdb:
+ csEntry.symTypeString = "PDB";
+ break;
+ case SymExport:
+ csEntry.symTypeString = "-exported-";
+ break;
+ case SymDeferred:
+ csEntry.symTypeString = "-deferred-";
+ break;
+ case SymSym:
+ csEntry.symTypeString = "SYM";
+ break;
+#if API_VERSION_NUMBER >= 9
+ case SymDia:
+ csEntry.symTypeString = "DIA";
+ break;
+#endif
+ case 8: //SymVirtual:
+ csEntry.symTypeString = "Virtual";
+ break;
+ default:
+ //_snprintf( ty, sizeof(ty), "symtype=%ld", (long) Module.SymType );
+ csEntry.symTypeString = NULL;
+ break;
+ }
+
+ MyStrCpy(csEntry.moduleName, STACKWALK_MAX_NAMELEN, Module.ModuleName);
+ csEntry.baseOfImage = Module.BaseOfImage;
+ MyStrCpy(csEntry.loadedImageName, STACKWALK_MAX_NAMELEN, Module.LoadedImageName);
+ } // got module info OK
+ else
+ {
+ this->OnDbgHelpErr(_T("SymGetModuleInfo64"), GetLastError(), s.AddrPC.Offset);
+ }
+ } // we seem to have a valid PC
+
+ CallstackEntryType et = nextEntry;
+ if (frameNum == 0)
+ et = firstEntry;
+ bLastEntryCalled = false;
+ this->OnCallstackEntry(et, csEntry);
+
+ if (s.AddrReturn.Offset == 0)
+ {
+ bLastEntryCalled = true;
+ this->OnCallstackEntry(lastEntry, csEntry);
+ SetLastError(ERROR_SUCCESS);
+ break;
+ }
+ } // for ( frameNum )
+
+cleanup:
+ if (pSym)
+ free(pSym);
+
+ if (bLastEntryCalled == false)
+ this->OnCallstackEntry(lastEntry, csEntry);
+
+ if (context == NULL)
+ ResumeThread(hThread);
+
+ return TRUE;
+}
+
+BOOL StackWalker::ShowObject(LPVOID pObject)
+{
+ // Load modules if not done yet
+ if (m_modulesLoaded == FALSE)
+ this->LoadModules(); // ignore the result...
+
+ // Verify that the DebugHelp.dll was actually found
+ if (this->m_sw->m_hDbhHelp == NULL)
+ {
+ SetLastError(ERROR_DLL_INIT_FAILED);
+ return FALSE;
+ }
+
+ // SymGetSymFromAddr64() is required
+ if (this->m_sw->symFromAddr == NULL)
+ return FALSE;
+
+ // Show object info (SymGetSymFromAddr64())
+ DWORD64 dwAddress = DWORD64(pObject);
+ DWORD64 dwDisplacement = 0;
+ tSymbolInfo* pSym =
+ (tSymbolInfo*)malloc(sizeof(tSymbolInfo) + STACKWALK_MAX_NAMELEN*sizeof(TCHAR));
+ memset(pSym, 0, sizeof(tSymbolInfo) + STACKWALK_MAX_NAMELEN*sizeof(TCHAR));
+ pSym->SizeOfStruct = sizeof(tSymbolInfo);
+ pSym->MaxNameLen = STACKWALK_MAX_NAMELEN;
+ if (this->m_sw->symFromAddr(this->m_hProcess, dwAddress, &dwDisplacement, pSym) == FALSE)
+ {
+ this->OnDbgHelpErr(_T("SymGetSymFromAddr64"), GetLastError(), dwAddress);
+ return FALSE;
+ }
+ // Object name output
+ this->OnOutput(pSym->Name);
+
+ free(pSym);
+ return TRUE;
+};
+
+BOOL __stdcall StackWalker::myReadProcMem(HANDLE hProcess,
+ DWORD64 qwBaseAddress,
+ PVOID lpBuffer,
+ DWORD nSize,
+ LPDWORD lpNumberOfBytesRead)
+{
+ if (s_readMemoryFunction == NULL)
+ {
+ SIZE_T st;
+ BOOL bRet = ReadProcessMemory(hProcess, (LPVOID)qwBaseAddress, lpBuffer, nSize, &st);
+ *lpNumberOfBytesRead = (DWORD)st;
+ //printf("ReadMemory: hProcess: %p, baseAddr: %p, buffer: %p, size: %d, read: %d, result: %d\n", hProcess, (LPVOID) qwBaseAddress, lpBuffer, nSize, (DWORD) st, (DWORD) bRet);
+ return bRet;
+ }
+ else
+ {
+ return s_readMemoryFunction(hProcess, qwBaseAddress, lpBuffer, nSize, lpNumberOfBytesRead,
+ s_readMemoryFunction_UserData);
+ }
+}
+
+void StackWalker::OnLoadModule(LPCTSTR img,
+ LPCTSTR mod,
+ DWORD64 baseAddr,
+ DWORD size,
+ DWORD result,
+ LPCTSTR symType,
+ LPCTSTR pdbName,
+ ULONGLONG fileVersion)
+{
+ TCHAR buffer[STACKWALK_MAX_NAMELEN];
+ size_t maxLen = STACKWALK_MAX_NAMELEN;
+#if _MSC_VER >= 1400
+ maxLen = _TRUNCATE;
+#endif
+ if (fileVersion == 0)
+ _sntprintf_s(buffer, maxLen, _T("%s:%s (%p), size: %d (result: %d), SymType: '%s', PDB: '%s'\n"),
+ img, mod, (LPVOID)baseAddr, size, result, symType, pdbName);
+ else
+ {
+ DWORD v4 = (DWORD)(fileVersion & 0xFFFF);
+ DWORD v3 = (DWORD)((fileVersion >> 16) & 0xFFFF);
+ DWORD v2 = (DWORD)((fileVersion >> 32) & 0xFFFF);
+ DWORD v1 = (DWORD)((fileVersion >> 48) & 0xFFFF);
+ _sntprintf_s(
+ buffer, maxLen,
+ _T("%s:%s (%p), size: %d (result: %d), SymType: '%s', PDB: '%s', fileVersion: %d.%d.%d.%d\n"),
+ img, mod, (LPVOID)baseAddr, size, result, symType, pdbName, v1, v2, v3, v4);
+ }
+ buffer[STACKWALK_MAX_NAMELEN - 1] = 0; // be sure it is NULL terminated
+ OnOutput(buffer);
+}
+
+void StackWalker::OnCallstackEntry(CallstackEntryType eType, CallstackEntry& entry)
+{
+ TCHAR buffer[STACKWALK_MAX_NAMELEN];
+ size_t maxLen = STACKWALK_MAX_NAMELEN;
+#if _MSC_VER >= 1400
+ maxLen = _TRUNCATE;
+#endif
+ if ((eType != lastEntry) && (entry.offset != 0))
+ {
+ if (entry.name[0] == 0)
+ MyStrCpy(entry.name, STACKWALK_MAX_NAMELEN, _T("(function-name not available)"));
+ if (entry.undName[0] != 0)
+ MyStrCpy(entry.name, STACKWALK_MAX_NAMELEN, entry.undName);
+ if (entry.undFullName[0] != 0)
+ MyStrCpy(entry.name, STACKWALK_MAX_NAMELEN, entry.undFullName);
+ if (entry.lineFileName[0] == 0)
+ {
+ MyStrCpy(entry.lineFileName, STACKWALK_MAX_NAMELEN, _T("(filename not available)"));
+ if (entry.moduleName[0] == 0)
+ MyStrCpy(entry.moduleName, STACKWALK_MAX_NAMELEN, _T("(module-name not available)"));
+ _sntprintf_s(buffer, maxLen, _T("%p (%s): %s: %s\n"), (LPVOID)entry.offset, entry.moduleName,
+ entry.lineFileName, entry.name);
+ }
+ else
+ _sntprintf_s(buffer, maxLen, _T("%s (%d): %s\n"), entry.lineFileName, entry.lineNumber,
+ entry.name);
+ buffer[STACKWALK_MAX_NAMELEN - 1] = 0;
+ OnOutput(buffer);
+ }
+}
+
+void StackWalker::OnDbgHelpErr(LPCTSTR szFuncName, DWORD gle, DWORD64 addr)
+{
+ TCHAR buffer[STACKWALK_MAX_NAMELEN];
+ size_t maxLen = STACKWALK_MAX_NAMELEN;
+#if _MSC_VER >= 1400
+ maxLen = _TRUNCATE;
+#endif
+ _sntprintf_s(buffer, maxLen, _T("ERROR: %s, GetLastError: %d (Address: %p)\n"), szFuncName, gle,
+ (LPVOID)addr);
+ buffer[STACKWALK_MAX_NAMELEN - 1] = 0;
+ OnOutput(buffer);
+}
+
+void StackWalker::OnSymInit(LPCTSTR szSearchPath, DWORD symOptions, LPCTSTR szUserName)
+{
+ TCHAR buffer[STACKWALK_MAX_NAMELEN];
+ size_t maxLen = STACKWALK_MAX_NAMELEN;
+#if _MSC_VER >= 1400
+ maxLen = _TRUNCATE;
+#endif
+ _sntprintf_s(buffer, maxLen, _T("SymInit: Symbol-SearchPath: '%s', symOptions: %d, UserName: '%s'\n"),
+ szSearchPath, symOptions, szUserName);
+ buffer[STACKWALK_MAX_NAMELEN - 1] = 0;
+ OnOutput(buffer);
+ // Also display the OS-version
+#if _MSC_VER <= 1200
+ OSVERSIONINFOA ver;
+ ZeroMemory(&ver, sizeof(OSVERSIONINFOA));
+ ver.dwOSVersionInfoSize = sizeof(ver);
+ if (GetVersionExA(&ver) != FALSE)
+ {
+ _snprintf_s(buffer, maxLen, "OS-Version: %d.%d.%d (%s)\n", ver.dwMajorVersion,
+ ver.dwMinorVersion, ver.dwBuildNumber, ver.szCSDVersion);
+ buffer[STACKWALK_MAX_NAMELEN - 1] = 0;
+ OnOutput(buffer);
+ }
+#else
+ OSVERSIONINFOEX ver;
+ ZeroMemory(&ver, sizeof(OSVERSIONINFOEX));
+ ver.dwOSVersionInfoSize = sizeof(ver);
+#if _MSC_VER >= 1900
+#pragma warning(push)
+#pragma warning(disable : 4996)
+#endif
+ if (GetVersionEx((OSVERSIONINFO*)&ver) != FALSE)
+ {
+ _sntprintf_s(buffer, maxLen, _T("OS-Version: %d.%d.%d (%s) 0x%x-0x%x\n"), ver.dwMajorVersion,
+ ver.dwMinorVersion, ver.dwBuildNumber, ver.szCSDVersion, ver.wSuiteMask,
+ ver.wProductType);
+ buffer[STACKWALK_MAX_NAMELEN - 1] = 0;
+ OnOutput(buffer);
+ }
+#if _MSC_VER >= 1900
+#pragma warning(pop)
+#endif
+#endif
+}
+
+void StackWalker::OnOutput(LPCTSTR buffer)
+{
+ OutputDebugString(buffer);
+}
diff --git a/wpiutil/src/main/native/windows/StackWalker.h b/wpiutil/src/main/native/windows/StackWalker.h
new file mode 100644
index 0000000..750de96
--- /dev/null
+++ b/wpiutil/src/main/native/windows/StackWalker.h
@@ -0,0 +1,178 @@
+/**********************************************************************
+ *
+ * StackWalker.h
+ *
+ *
+ *
+ * LICENSE (http://www.opensource.org/licenses/bsd-license.php)
+ *
+ * Copyright (c) 2005-2009, Jochen Kalmbach
+ * 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 Jochen Kalmbach 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.
+ *
+ * **********************************************************************/
+#pragma once
+
+#include <windows.h>
+
+#if _MSC_VER >= 1900
+#pragma warning(disable : 4091)
+#endif
+
+class StackWalkerInternal; // forward
+class StackWalker
+{
+public:
+ typedef enum StackWalkOptions
+ {
+ // No addition info will be retrieved
+ // (only the address is available)
+ RetrieveNone = 0,
+
+ // Try to get the symbol-name
+ RetrieveSymbol = 1,
+
+ // Try to get the line for this symbol
+ RetrieveLine = 2,
+
+ // Try to retrieve the module-infos
+ RetrieveModuleInfo = 4,
+
+ // Also retrieve the version for the DLL/EXE
+ RetrieveFileVersion = 8,
+
+ // Contains all the above
+ RetrieveVerbose = 0xF,
+
+ // Generate a "good" symbol-search-path
+ SymBuildPath = 0x10,
+
+ // Also use the public Microsoft-Symbol-Server
+ SymUseSymSrv = 0x20,
+
+ // Contains all the above "Sym"-options
+ SymAll = 0x30,
+
+ // Contains all options (default)
+ OptionsAll = 0x3F
+ } StackWalkOptions;
+
+ StackWalker(int options = OptionsAll, // 'int' is by design, to combine the enum-flags
+ LPCTSTR szSymPath = NULL,
+ DWORD dwProcessId = GetCurrentProcessId(),
+ HANDLE hProcess = GetCurrentProcess());
+ StackWalker(DWORD dwProcessId, HANDLE hProcess);
+ virtual ~StackWalker();
+
+ typedef BOOL(__stdcall* PReadProcessMemoryRoutine)(
+ HANDLE hProcess,
+ DWORD64 qwBaseAddress,
+ PVOID lpBuffer,
+ DWORD nSize,
+ LPDWORD lpNumberOfBytesRead,
+ LPVOID pUserData // optional data, which was passed in "ShowCallstack"
+ );
+
+ BOOL LoadModules();
+
+ BOOL ShowCallstack(
+ HANDLE hThread = GetCurrentThread(),
+ const CONTEXT* context = NULL,
+ PReadProcessMemoryRoutine readMemoryFunction = NULL,
+ LPVOID pUserData = NULL // optional to identify some data in the 'readMemoryFunction'-callback
+ );
+
+ BOOL ShowObject(LPVOID pObject);
+
+protected:
+ enum
+ {
+ STACKWALK_MAX_NAMELEN = 1024
+ }; // max name length for found symbols
+
+protected:
+ // Entry for each Callstack-Entry
+ typedef struct CallstackEntry
+ {
+ DWORD64 offset; // if 0, we have no valid entry
+ TCHAR name[STACKWALK_MAX_NAMELEN];
+ TCHAR undName[STACKWALK_MAX_NAMELEN];
+ TCHAR undFullName[STACKWALK_MAX_NAMELEN];
+ DWORD64 offsetFromSmybol;
+ DWORD offsetFromLine;
+ DWORD lineNumber;
+ TCHAR lineFileName[STACKWALK_MAX_NAMELEN];
+ DWORD symType;
+ LPCSTR symTypeString;
+ TCHAR moduleName[STACKWALK_MAX_NAMELEN];
+ DWORD64 baseOfImage;
+ TCHAR loadedImageName[STACKWALK_MAX_NAMELEN];
+ } CallstackEntry;
+
+ typedef enum CallstackEntryType
+ {
+ firstEntry,
+ nextEntry,
+ lastEntry
+ } CallstackEntryType;
+
+ virtual void OnSymInit(LPCTSTR szSearchPath, DWORD symOptions, LPCTSTR szUserName);
+ virtual void OnLoadModule(LPCTSTR img,
+ LPCTSTR mod,
+ DWORD64 baseAddr,
+ DWORD size,
+ DWORD result,
+ LPCTSTR symType,
+ LPCTSTR pdbName,
+ ULONGLONG fileVersion);
+ virtual void OnCallstackEntry(CallstackEntryType eType, CallstackEntry& entry);
+ virtual void OnDbgHelpErr(LPCTSTR szFuncName, DWORD gle, DWORD64 addr);
+ virtual void OnOutput(LPCTSTR szText);
+
+ StackWalkerInternal* m_sw;
+ HANDLE m_hProcess;
+ DWORD m_dwProcessId;
+ BOOL m_modulesLoaded;
+ LPTSTR m_szSymPath;
+
+ int m_options;
+ int m_MaxRecursionCount;
+
+ static BOOL __stdcall myReadProcMem(HANDLE hProcess,
+ DWORD64 qwBaseAddress,
+ PVOID lpBuffer,
+ DWORD nSize,
+ LPDWORD lpNumberOfBytesRead);
+
+ friend StackWalkerInternal;
+}; // class StackWalker
+
+// The following is defined for x86 (XP and higher), x64 and IA64:
+#define GET_CURRENT_CONTEXT_STACKWALKER_CODEPLEX(c, contextFlags) \
+ do \
+ { \
+ memset(&c, 0, sizeof(CONTEXT)); \
+ c.ContextFlags = contextFlags; \
+ RtlCaptureContext(&c); \
+ } while (0);