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Diffstat (limited to 'source/StackWalker.h')
| -rw-r--r-- | source/StackWalker.h | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/source/StackWalker.h b/source/StackWalker.h new file mode 100644 index 000000000..212e02a9f --- /dev/null +++ b/source/StackWalker.h @@ -0,0 +1,214 @@ +/**********************************************************************
+ *
+ * StackWalker.h
+ *
+ *
+ *
+ * LICENSE (http://www.opensource.org/licenses/bsd-license.php)
+ *
+ * Copyright (c) 2005-2010, 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 is supported starting with _MCS_VER 1000,
+// so we need not to check the version (because we only support _MSC_VER >= 1100)!
+#pragma once
+
+#include <windows.h>
+
+// special defines for VC5/6 (if no actual PSDK is installed):
+#if _MSC_VER < 1300
+typedef unsigned __int64 DWORD64, *PDWORD64;
+#if defined(_WIN64)
+typedef unsigned __int64 SIZE_T, *PSIZE_T;
+#else
+typedef unsigned long SIZE_T, *PSIZE_T;
+#endif
+#endif // _MSC_VER < 1300
+
+class StackWalkerInternal; // forward
+class StackWalker
+{
+public:
+ typedef enum StackWalkOptions
+ {
+ // No addition info will be retrived
+ // (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 abouve
+ RetrieveVerbose = 0xF,
+
+ // Generate a "good" symbol-search-path
+ SymBuildPath = 0x10,
+
+ // Also use the public Microsoft-Symbol-Server
+ SymUseSymSrv = 0x20,
+
+ // Contains all the abouve "Sym"-options
+ SymAll = 0x30,
+
+ // Contains all options (default)
+ OptionsAll = 0x3F
+ } StackWalkOptions;
+
+ StackWalker(
+ int options = OptionsAll, // 'int' is by design, to combine the enum-flags
+ LPCSTR 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
+ );
+
+#if _MSC_VER >= 1300
+// due to some reasons, the "STACKWALK_MAX_NAMELEN" must be declared as "public"
+// in older compilers in order to use it... starting with VC7 we can declare it as "protected"
+protected:
+#endif
+ 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
+ CHAR name[STACKWALK_MAX_NAMELEN];
+ CHAR undName[STACKWALK_MAX_NAMELEN];
+ CHAR undFullName[STACKWALK_MAX_NAMELEN];
+ DWORD64 offsetFromSmybol;
+ DWORD offsetFromLine;
+ DWORD lineNumber;
+ CHAR lineFileName[STACKWALK_MAX_NAMELEN];
+ DWORD symType;
+ LPCSTR symTypeString;
+ CHAR moduleName[STACKWALK_MAX_NAMELEN];
+ DWORD64 baseOfImage;
+ CHAR loadedImageName[STACKWALK_MAX_NAMELEN];
+ } CallstackEntry;
+
+ typedef enum CallstackEntryType {firstEntry, nextEntry, lastEntry};
+
+ virtual void OnSymInit(LPCSTR szSearchPath, DWORD symOptions, LPCSTR szUserName);
+ virtual void OnLoadModule(LPCSTR img, LPCSTR mod, DWORD64 baseAddr, DWORD size, DWORD result, LPCSTR symType, LPCSTR pdbName, ULONGLONG fileVersion);
+ virtual void OnCallstackEntry(CallstackEntryType eType, CallstackEntry &entry);
+ virtual void OnDbgHelpErr(LPCSTR szFuncName, DWORD gle, DWORD64 addr);
+ virtual void OnOutput(LPCSTR szText);
+
+ StackWalkerInternal *m_sw;
+ HANDLE m_hProcess;
+ DWORD m_dwProcessId;
+ BOOL m_modulesLoaded;
+ LPSTR m_szSymPath;
+
+ int m_options;
+ int m_MaxRecursionCount;
+
+ static BOOL __stdcall myReadProcMem(HANDLE hProcess, DWORD64 qwBaseAddress, PVOID lpBuffer, DWORD nSize, LPDWORD lpNumberOfBytesRead);
+
+ friend StackWalkerInternal;
+};
+
+
+// The "ugly" assembler-implementation is needed for systems before XP
+// If you have a new PSDK and you only compile for XP and later, then you can use
+// the "RtlCaptureContext"
+// Currently there is no define which determines the PSDK-Version...
+// So we just use the compiler-version (and assumes that the PSDK is
+// the one which was installed by the VS-IDE)
+
+// INFO: If you want, you can use the RtlCaptureContext if you only target XP and later...
+// But I currently use it in x64/IA64 environments...
+//#if defined(_M_IX86) && (_WIN32_WINNT <= 0x0500) && (_MSC_VER < 1400)
+
+#if defined(_M_IX86)
+#ifdef CURRENT_THREAD_VIA_EXCEPTION
+// TODO: The following is not a "good" implementation,
+// because the callstack is only valid in the "__except" block...
+#define GET_CURRENT_CONTEXT(c, contextFlags) \
+ do { \
+ memset(&c, 0, sizeof(CONTEXT)); \
+ EXCEPTION_POINTERS *pExp = NULL; \
+ __try { \
+ throw 0; \
+ } __except( ( (pExp = GetExceptionInformation()) ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_EXECUTE_HANDLER)) {} \
+ if (pExp != NULL) \
+ memcpy(&c, pExp->ContextRecord, sizeof(CONTEXT)); \
+ c.ContextFlags = contextFlags; \
+ } while(0);
+#else
+// The following should be enough for walking the callstack...
+#define GET_CURRENT_CONTEXT(c, contextFlags) \
+ do { \
+ memset(&c, 0, sizeof(CONTEXT)); \
+ c.ContextFlags = contextFlags; \
+ __asm call x \
+ __asm x: pop eax \
+ __asm mov c.Eip, eax \
+ __asm mov c.Ebp, ebp \
+ __asm mov c.Esp, esp \
+ } while(0);
+#endif
+
+#else
+
+// The following is defined for x86 (XP and higher), x64 and IA64:
+#define GET_CURRENT_CONTEXT(c, contextFlags) \
+ do { \
+ memset(&c, 0, sizeof(CONTEXT)); \
+ c.ContextFlags = contextFlags; \
+ RtlCaptureContext(&c); \
+} while(0);
+#endif
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