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/**********************************************************************
*
* 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 "RedtapeWindows.h"
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
LPCSTR szSymPath = NULL,
DWORD dwProcessId = GetCurrentProcessId(),
HANDLE hProcess = GetCurrentProcess());
StackWalker(DWORD dwProcessId, HANDLE hProcess);
StackWalker(const StackWalker&) = delete;
virtual ~StackWalker();
static HMODULE LoadDbgHelpLibrary();
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);
#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
} CallstackEntryType;
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;
}; // 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);
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