mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-14 03:30:17 +01:00
763 lines
23 KiB
C++
763 lines
23 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is nsStackFrameWin.h code, released
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* December 20, 2003.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Michael Judge, 20-December-2000
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nscore.h"
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#include "windows.h"
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#include "stdio.h"
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#include "nsStackFrameWin.h"
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// Define these as static pointers so that we can load the DLL on the
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// fly (and not introduce a link-time dependency on it). Tip o' the
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// hat to Matt Pietrick for this idea. See:
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//
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// http://msdn.microsoft.com/library/periodic/period97/F1/D3/S245C6.htm
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//
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PR_BEGIN_EXTERN_C
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SYMSETOPTIONSPROC _SymSetOptions;
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SYMINITIALIZEPROC _SymInitialize;
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SYMCLEANUPPROC _SymCleanup;
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STACKWALKPROC _StackWalk;
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#ifdef USING_WXP_VERSION
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STACKWALKPROC64 _StackWalk64;
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#else
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#define _StackWalk64 0
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#endif
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SYMFUNCTIONTABLEACCESSPROC _SymFunctionTableAccess;
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#ifdef USING_WXP_VERSION
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SYMFUNCTIONTABLEACCESSPROC64 _SymFunctionTableAccess64;
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#else
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#define _SymFunctionTableAccess64 0
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#endif
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SYMGETMODULEBASEPROC _SymGetModuleBase;
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#ifdef USING_WXP_VERSION
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SYMGETMODULEBASEPROC64 _SymGetModuleBase64;
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#else
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#define _SymGetModuleBase64 0
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#endif
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SYMGETSYMFROMADDRPROC _SymGetSymFromAddr;
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#ifdef USING_WXP_VERSION
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SYMFROMADDRPROC _SymFromAddr;
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#else
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#define _SymFromAddr 0
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#endif
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SYMLOADMODULE _SymLoadModule;
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#ifdef USING_WXP_VERSION
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SYMLOADMODULE64 _SymLoadModule64;
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#else
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#define _SymLoadModule64 0
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#endif
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SYMUNDNAME _SymUnDName;
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SYMGETMODULEINFO _SymGetModuleInfo;
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#ifdef USING_WXP_VERSION
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SYMGETMODULEINFO64 _SymGetModuleInfo64;
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#else
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#define _SymGetModuleInfo64 0
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#endif
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ENUMLOADEDMODULES _EnumerateLoadedModules;
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#ifdef USING_WXP_VERSION
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ENUMLOADEDMODULES64 _EnumerateLoadedModules64;
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#else
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#define _EnumerateLoadedModules64 0
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#endif
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SYMGETLINEFROMADDRPROC _SymGetLineFromAddr;
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#ifdef USING_WXP_VERSION
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SYMGETLINEFROMADDRPROC64 _SymGetLineFromAddr64;
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#else
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#define _SymGetLineFromAddr64 0
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#endif
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HANDLE hStackWalkMutex;
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PR_END_EXTERN_C
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// Routine to print an error message to standard error.
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// Will also print to an additional stream if one is supplied.
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void PrintError(char *prefix, FILE *out)
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{
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LPVOID lpMsgBuf;
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DWORD lastErr = GetLastError();
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FormatMessage(
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FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
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NULL,
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lastErr,
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
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(LPTSTR) &lpMsgBuf,
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0,
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NULL
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);
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fprintf(stderr, "### ERROR: %s: %s", prefix, lpMsgBuf);
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if (out)
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fprintf(out, "### ERROR: %s: %s\n", prefix, lpMsgBuf);
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LocalFree( lpMsgBuf );
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}
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PRBool
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EnsureImageHlpInitialized()
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{
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static PRBool gInitialized = PR_FALSE;
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if (gInitialized)
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return gInitialized;
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// Create a mutex with no initial owner.
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hStackWalkMutex = CreateMutex(
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NULL, // default security attributes
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FALSE, // initially not owned
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NULL); // unnamed mutex
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if (hStackWalkMutex == NULL) {
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PrintError("CreateMutex", NULL);
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return PR_FALSE;
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}
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HMODULE module = ::LoadLibrary("DBGHELP.DLL");
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if (!module) {
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module = ::LoadLibrary("IMAGEHLP.DLL");
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if (!module) return PR_FALSE;
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}
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_SymSetOptions = (SYMSETOPTIONSPROC) ::GetProcAddress(module, "SymSetOptions");
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if (!_SymSetOptions) return PR_FALSE;
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_SymInitialize = (SYMINITIALIZEPROC) ::GetProcAddress(module, "SymInitialize");
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if (!_SymInitialize) return PR_FALSE;
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_SymCleanup = (SYMCLEANUPPROC)GetProcAddress(module, "SymCleanup");
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if (!_SymCleanup) return PR_FALSE;
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#ifdef USING_WXP_VERSION
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_StackWalk64 = (STACKWALKPROC64)GetProcAddress(module, "StackWalk64");
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#endif
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_StackWalk = (STACKWALKPROC)GetProcAddress(module, "StackWalk");
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if (!_StackWalk64 && !_StackWalk) return PR_FALSE;
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#ifdef USING_WXP_VERSION
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_SymFunctionTableAccess64 = (SYMFUNCTIONTABLEACCESSPROC64) GetProcAddress(module, "SymFunctionTableAccess64");
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#endif
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_SymFunctionTableAccess = (SYMFUNCTIONTABLEACCESSPROC) GetProcAddress(module, "SymFunctionTableAccess");
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if (!_SymFunctionTableAccess64 && !_SymFunctionTableAccess) return PR_FALSE;
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#ifdef USING_WXP_VERSION
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_SymGetModuleBase64 = (SYMGETMODULEBASEPROC64)GetProcAddress(module, "SymGetModuleBase64");
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#endif
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_SymGetModuleBase = (SYMGETMODULEBASEPROC)GetProcAddress(module, "SymGetModuleBase");
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if (!_SymGetModuleBase64 && !_SymGetModuleBase) return PR_FALSE;
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_SymGetSymFromAddr = (SYMGETSYMFROMADDRPROC)GetProcAddress(module, "SymGetSymFromAddr");
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#ifdef USING_WXP_VERSION
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_SymFromAddr = (SYMFROMADDRPROC)GetProcAddress(module, "SymFromAddr");
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#endif
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if (!_SymFromAddr && !_SymGetSymFromAddr) return PR_FALSE;
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#ifdef USING_WXP_VERSION
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_SymLoadModule64 = (SYMLOADMODULE64)GetProcAddress(module, "SymLoadModule64");
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#endif
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_SymLoadModule = (SYMLOADMODULE)GetProcAddress(module, "SymLoadModule");
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if (!_SymLoadModule64 && !_SymLoadModule) return PR_FALSE;
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_SymUnDName = (SYMUNDNAME)GetProcAddress(module, "SymUnDName");
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if (!_SymUnDName) return PR_FALSE;
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#ifdef USING_WXP_VERSION
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_SymGetModuleInfo64 = (SYMGETMODULEINFO64)GetProcAddress(module, "SymGetModuleInfo64");
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#endif
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_SymGetModuleInfo = (SYMGETMODULEINFO)GetProcAddress(module, "SymGetModuleInfo");
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if (!_SymGetModuleInfo64 && !_SymGetModuleInfo) return PR_FALSE;
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#ifdef USING_WXP_VERSION
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_EnumerateLoadedModules64 = (ENUMLOADEDMODULES64)GetProcAddress(module, "EnumerateLoadedModules64");
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#endif
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_EnumerateLoadedModules = (ENUMLOADEDMODULES)GetProcAddress(module, "EnumerateLoadedModules");
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if (!_EnumerateLoadedModules64 && !_EnumerateLoadedModules) return PR_FALSE;
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#ifdef USING_WXP_VERSION
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_SymGetLineFromAddr64 = (SYMGETLINEFROMADDRPROC64)GetProcAddress(module, "SymGetLineFromAddr64");
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#endif
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_SymGetLineFromAddr = (SYMGETLINEFROMADDRPROC)GetProcAddress(module, "SymGetLineFromAddr");
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if (!_SymGetLineFromAddr64 && !_SymGetLineFromAddr) return PR_FALSE;
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return gInitialized = PR_TRUE;
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}
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static BOOL CALLBACK callbackEspecial(
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LPSTR aModuleName,
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DWORD aModuleBase,
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ULONG aModuleSize,
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PVOID aUserContext)
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{
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BOOL retval = TRUE;
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DWORD addr = *(DWORD*)aUserContext;
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/*
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* You'll want to control this if we are running on an
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* architecture where the addresses go the other direction.
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* Not sure this is even a realistic consideration.
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*/
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const BOOL addressIncreases = TRUE;
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/*
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* If it falls inside the known range, load the symbols.
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*/
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if (addressIncreases
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? (addr >= aModuleBase && addr <= (aModuleBase + aModuleSize))
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: (addr <= aModuleBase && addr >= (aModuleBase - aModuleSize))
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) {
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retval = _SymLoadModule(GetCurrentProcess(), NULL, aModuleName, NULL, aModuleBase, aModuleSize);
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}
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return retval;
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}
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static BOOL CALLBACK callbackEspecial64(
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PTSTR aModuleName,
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DWORD64 aModuleBase,
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ULONG aModuleSize,
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PVOID aUserContext)
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{
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#ifdef USING_WXP_VERSION
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BOOL retval = TRUE;
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DWORD64 addr = *(DWORD64*)aUserContext;
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/*
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* You'll want to control this if we are running on an
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* architecture where the addresses go the other direction.
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* Not sure this is even a realistic consideration.
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*/
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const BOOL addressIncreases = TRUE;
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/*
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* If it falls in side the known range, load the symbols.
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*/
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if (addressIncreases
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? (addr >= aModuleBase && addr <= (aModuleBase + aModuleSize))
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: (addr <= aModuleBase && addr >= (aModuleBase - aModuleSize))
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) {
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retval = _SymLoadModule64(GetCurrentProcess(), NULL, aModuleName, NULL, aModuleBase, aModuleSize);
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}
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return retval;
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#else
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return FALSE;
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#endif
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}
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/*
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* SymGetModuleInfoEspecial
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*
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* Attempt to determine the module information.
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* Bug 112196 says this DLL may not have been loaded at the time
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* SymInitialize was called, and thus the module information
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* and symbol information is not available.
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* This code rectifies that problem.
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*/
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BOOL SymGetModuleInfoEspecial(HANDLE aProcess, DWORD aAddr, PIMAGEHLP_MODULE aModuleInfo, PIMAGEHLP_LINE aLineInfo)
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{
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BOOL retval = FALSE;
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/*
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* Init the vars if we have em.
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*/
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aModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE);
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if (nsnull != aLineInfo) {
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aLineInfo->SizeOfStruct = sizeof(IMAGEHLP_LINE);
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}
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/*
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* Give it a go.
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* It may already be loaded.
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*/
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retval = _SymGetModuleInfo(aProcess, aAddr, aModuleInfo);
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if (FALSE == retval) {
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BOOL enumRes = FALSE;
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/*
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* Not loaded, here's the magic.
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* Go through all the modules.
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*/
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enumRes = _EnumerateLoadedModules(aProcess, callbackEspecial, (PVOID)&aAddr);
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if (FALSE != enumRes)
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{
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/*
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* One final go.
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* If it fails, then well, we have other problems.
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*/
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retval = _SymGetModuleInfo(aProcess, aAddr, aModuleInfo);
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}
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}
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/*
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* If we got module info, we may attempt line info as well.
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* We will not report failure if this does not work.
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*/
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if (FALSE != retval && nsnull != aLineInfo && nsnull != _SymGetLineFromAddr) {
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DWORD displacement = 0;
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BOOL lineRes = FALSE;
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lineRes = _SymGetLineFromAddr(aProcess, aAddr, &displacement, aLineInfo);
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}
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return retval;
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}
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#ifdef USING_WXP_VERSION
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BOOL SymGetModuleInfoEspecial64(HANDLE aProcess, DWORD64 aAddr, PIMAGEHLP_MODULE64 aModuleInfo, PIMAGEHLP_LINE64 aLineInfo)
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{
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BOOL retval = FALSE;
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/*
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* Init the vars if we have em.
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*/
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aModuleInfo->SizeOfStruct = sizeof(IMAGEHLP_MODULE64);
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if (nsnull != aLineInfo) {
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aLineInfo->SizeOfStruct = sizeof(IMAGEHLP_LINE64);
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}
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/*
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* Give it a go.
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* It may already be loaded.
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*/
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retval = _SymGetModuleInfo64(aProcess, aAddr, aModuleInfo);
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if (FALSE == retval) {
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BOOL enumRes = FALSE;
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/*
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* Not loaded, here's the magic.
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* Go through all the modules.
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*/
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enumRes = _EnumerateLoadedModules64(aProcess, callbackEspecial64, (PVOID)&aAddr);
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if (FALSE != enumRes)
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{
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/*
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* One final go.
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* If it fails, then well, we have other problems.
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*/
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retval = _SymGetModuleInfo64(aProcess, aAddr, aModuleInfo);
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}
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}
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/*
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* If we got module info, we may attempt line info as well.
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* We will not report failure if this does not work.
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*/
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if (FALSE != retval && nsnull != aLineInfo && nsnull != _SymGetLineFromAddr64) {
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DWORD displacement = 0;
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BOOL lineRes = FALSE;
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lineRes = _SymGetLineFromAddr64(aProcess, aAddr, &displacement, aLineInfo);
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}
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return retval;
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}
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#endif
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HANDLE
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GetCurrentPIDorHandle()
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{
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if (_SymGetModuleBase64)
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return GetCurrentProcess(); // winxp and friends use process handle
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return (HANDLE) GetCurrentProcessId(); // winme win98 win95 etc use process identifier
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}
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PRBool
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EnsureSymInitialized()
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{
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PRBool retStat;
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if (!EnsureImageHlpInitialized())
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return PR_FALSE;
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_SymSetOptions(SYMOPT_LOAD_LINES | SYMOPT_UNDNAME);
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retStat = _SymInitialize(GetCurrentPIDorHandle(), NULL, TRUE);
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if (!retStat)
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PrintError("SymInitialize", NULL);
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return retStat;
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}
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/**
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* Walk the stack, translating PC's found into strings and recording the
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* chain in aBuffer. For this to work properly, the DLLs must be rebased
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* so that the address in the file agrees with the address in memory.
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* Otherwise StackWalk will return FALSE when it hits a frame in a DLL
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* whose in memory address doesn't match its in-file address.
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*/
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void
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DumpStackToFile(FILE* aStream)
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{
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HANDLE myProcess = ::GetCurrentProcess();
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HANDLE myThread, walkerThread;
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DWORD walkerReturn;
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struct DumpStackToFileData data;
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if (!EnsureSymInitialized())
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return;
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// Have to duplicate handle to get a real handle.
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::DuplicateHandle(
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::GetCurrentProcess(),
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::GetCurrentThread(),
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::GetCurrentProcess(),
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&myThread,
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THREAD_ALL_ACCESS, FALSE, 0
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);
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data.stream = aStream;
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data.thread = myThread;
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data.process = myProcess;
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walkerThread = ::CreateThread( NULL, 0, DumpStackToFileThread, (LPVOID) &data, 0, NULL ) ;
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if (walkerThread) {
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walkerReturn = ::WaitForSingleObject(walkerThread, 2000); // no timeout is never a good idea
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CloseHandle(myThread) ;
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if (walkerReturn != WAIT_OBJECT_0) {
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PrintError("ThreadWait", aStream);
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}
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}
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else {
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PrintError("ThreadCreate", aStream);
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}
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return;
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}
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DWORD WINAPI
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DumpStackToFileThread(LPVOID lpdata)
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{
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struct DumpStackToFileData *data = (DumpStackToFileData *)lpdata;
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DWORD ret ;
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// Suspend the calling thread, dump his stack, and then resume him.
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// He's currently waiting for us to finish so now should be a good time.
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ret = ::SuspendThread( data->thread );
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if (ret == -1) {
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PrintError("ThreadSuspend", data->stream);
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}
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else {
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if (_StackWalk64)
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DumpStackToFileMain64(data);
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else
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DumpStackToFileMain(data);
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ret = ::ResumeThread(data->thread);
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if (ret == -1) {
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PrintError("ThreadResume", data->stream);
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}
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}
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return 0;
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}
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void
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DumpStackToFileMain64(struct DumpStackToFileData* data)
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{
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#ifdef USING_WXP_VERSION
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// Get the context information for the thread. That way we will
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// know where our sp, fp, pc, etc. are and can fill in the
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// STACKFRAME64 with the initial values.
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CONTEXT context;
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HANDLE myProcess = data->process;
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HANDLE myThread = data->thread;
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FILE* aStream = data->stream;
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DWORD64 addr;
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STACKFRAME64 frame64;
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int skip = 6; // skip our own stack walking frames
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BOOL ok;
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// Get a context for the specified thread.
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memset(&context, 0, sizeof(CONTEXT));
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context.ContextFlags = CONTEXT_FULL;
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if (!GetThreadContext(myThread, &context)) {
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PrintError("GetThreadContext", aStream);
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return;
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}
|
|
|
|
// Setup initial stack frame to walk from
|
|
memset(&frame64, 0, sizeof(frame64));
|
|
#ifdef _M_IX86
|
|
frame64.AddrPC.Offset = context.Eip;
|
|
frame64.AddrStack.Offset = context.Esp;
|
|
frame64.AddrFrame.Offset = context.Ebp;
|
|
#elif defined _M_AMD64
|
|
frame64.AddrPC.Offset = context.Rip;
|
|
frame64.AddrStack.Offset = context.Rsp;
|
|
frame64.AddrFrame.Offset = context.Rbp;
|
|
#elif defined _M_IA64
|
|
frame64.AddrPC.Offset = context.StIIP;
|
|
frame64.AddrStack.Offset = context.SP;
|
|
frame64.AddrFrame.Offset = context.RsBSP;
|
|
#else
|
|
fprintf(aStream, "Unknown platform. No stack walking.");
|
|
return;
|
|
#endif
|
|
frame64.AddrPC.Mode = AddrModeFlat;
|
|
frame64.AddrStack.Mode = AddrModeFlat;
|
|
frame64.AddrFrame.Mode = AddrModeFlat;
|
|
frame64.AddrReturn.Mode = AddrModeFlat;
|
|
|
|
// Now walk the stack and map the pc's to symbol names
|
|
while (1) {
|
|
|
|
ok = 0;
|
|
|
|
// stackwalk is not threadsafe, so grab the lock.
|
|
DWORD dwWaitResult;
|
|
dwWaitResult = WaitForSingleObject(hStackWalkMutex, INFINITE);
|
|
if (dwWaitResult == WAIT_OBJECT_0) {
|
|
|
|
ok = _StackWalk64(
|
|
#ifdef _M_AMD64
|
|
IMAGE_FILE_MACHINE_AMD64,
|
|
#elif defined _M_IA64
|
|
IMAGE_FILE_MACHINE_IA64,
|
|
#elif defined _M_IX86
|
|
IMAGE_FILE_MACHINE_I386,
|
|
#else
|
|
0,
|
|
#endif
|
|
myProcess,
|
|
myThread,
|
|
&frame64,
|
|
&context,
|
|
NULL,
|
|
_SymFunctionTableAccess64, // function table access routine
|
|
_SymGetModuleBase64, // module base routine
|
|
0
|
|
);
|
|
|
|
if (ok)
|
|
addr = frame64.AddrPC.Offset;
|
|
else
|
|
PrintError("WalkStack64", aStream);
|
|
|
|
if (!ok || (addr == 0)) {
|
|
ReleaseMutex(hStackWalkMutex); // release our lock
|
|
break;
|
|
}
|
|
|
|
if (skip-- > 0) {
|
|
ReleaseMutex(hStackWalkMutex); // release our lock
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// Attempt to load module info before we attempt to reolve the symbol.
|
|
// This just makes sure we get good info if available.
|
|
//
|
|
|
|
IMAGEHLP_MODULE64 modInfo;
|
|
modInfo.SizeOfStruct = sizeof(modInfo);
|
|
BOOL modInfoRes;
|
|
modInfoRes = SymGetModuleInfoEspecial64(myProcess, addr, &modInfo, nsnull);
|
|
|
|
ULONG64 buffer[(sizeof(SYMBOL_INFO) +
|
|
MAX_SYM_NAME*sizeof(TCHAR) + sizeof(ULONG64) - 1) / sizeof(ULONG64)];
|
|
PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)buffer;
|
|
pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
|
|
pSymbol->MaxNameLen = MAX_SYM_NAME;
|
|
|
|
DWORD64 displacement;
|
|
ok = _SymFromAddr && _SymFromAddr(myProcess, addr, &displacement, pSymbol);
|
|
|
|
// All done with debug calls so release our lock.
|
|
ReleaseMutex(hStackWalkMutex);
|
|
|
|
if (ok)
|
|
fprintf(aStream, "%s!%s+0x%016X\n", modInfo.ImageName, pSymbol->Name, displacement);
|
|
else
|
|
fprintf(aStream, "0x%016X\n", addr);
|
|
|
|
// Stop walking when we get to kernel32.dll.
|
|
if (strcmp(modInfo.ImageName, "kernel32.dll") == 0)
|
|
break;
|
|
}
|
|
else {
|
|
PrintError("LockError64", aStream);
|
|
}
|
|
}
|
|
return;
|
|
#endif
|
|
}
|
|
|
|
|
|
void
|
|
DumpStackToFileMain(struct DumpStackToFileData* data)
|
|
{
|
|
// Get the context information for the thread. That way we will
|
|
// know where our sp, fp, pc, etc. are and can fill in the
|
|
// STACKFRAME with the initial values.
|
|
CONTEXT context;
|
|
HANDLE myProcess = data->process;
|
|
HANDLE myThread = data->thread;
|
|
FILE* aStream = data->stream;
|
|
DWORD addr;
|
|
STACKFRAME frame;
|
|
int skip = 2; // skip our own stack walking frames
|
|
BOOL ok;
|
|
|
|
// Get a context for the specified thread.
|
|
memset(&context, 0, sizeof(CONTEXT));
|
|
context.ContextFlags = CONTEXT_FULL;
|
|
if (!GetThreadContext(myThread, &context)) {
|
|
PrintError("GetThreadContext", aStream);
|
|
return;
|
|
}
|
|
|
|
// Setup initial stack frame to walk from
|
|
#if defined _M_IX86
|
|
memset(&frame, 0, sizeof(frame));
|
|
frame.AddrPC.Offset = context.Eip;
|
|
frame.AddrPC.Mode = AddrModeFlat;
|
|
frame.AddrStack.Offset = context.Esp;
|
|
frame.AddrStack.Mode = AddrModeFlat;
|
|
frame.AddrFrame.Offset = context.Ebp;
|
|
frame.AddrFrame.Mode = AddrModeFlat;
|
|
#else
|
|
fprintf(aStream, "Unknown platform. No stack walking.");
|
|
return;
|
|
#endif
|
|
|
|
// Now walk the stack and map the pc's to symbol names
|
|
while (1) {
|
|
|
|
ok = 0;
|
|
|
|
// debug routines are not threadsafe, so grab the lock.
|
|
DWORD dwWaitResult;
|
|
dwWaitResult = WaitForSingleObject(hStackWalkMutex, INFINITE);
|
|
if (dwWaitResult == WAIT_OBJECT_0) {
|
|
|
|
ok = _StackWalk(
|
|
IMAGE_FILE_MACHINE_I386,
|
|
myProcess,
|
|
myThread,
|
|
&frame,
|
|
&context,
|
|
0, // read process memory routine
|
|
_SymFunctionTableAccess, // function table access routine
|
|
_SymGetModuleBase, // module base routine
|
|
0 // translate address routine
|
|
);
|
|
|
|
if (ok)
|
|
addr = frame.AddrPC.Offset;
|
|
else
|
|
PrintError("WalkStack", aStream);
|
|
|
|
if (!ok || (addr == 0)) {
|
|
ReleaseMutex(hStackWalkMutex); // release our lock
|
|
break;
|
|
}
|
|
|
|
if (skip-- > 0) {
|
|
ReleaseMutex(hStackWalkMutex); // release the lock
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// Attempt to load module info before we attempt to resolve the symbol.
|
|
// This just makes sure we get good info if available.
|
|
//
|
|
|
|
IMAGEHLP_MODULE modInfo;
|
|
modInfo.SizeOfStruct = sizeof(modInfo);
|
|
BOOL modInfoRes;
|
|
modInfoRes = SymGetModuleInfoEspecial(myProcess, addr, &modInfo, nsnull);
|
|
|
|
#ifdef USING_WXP_VERSION
|
|
ULONG64 buffer[(sizeof(SYMBOL_INFO) +
|
|
MAX_SYM_NAME*sizeof(TCHAR) + sizeof(ULONG64) - 1) / sizeof(ULONG64)];
|
|
PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)buffer;
|
|
pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
|
|
pSymbol->MaxNameLen = MAX_SYM_NAME;
|
|
|
|
DWORD64 displacement;
|
|
|
|
ok = _SymFromAddr && _SymFromAddr(myProcess, addr, &displacement, pSymbol);
|
|
#else
|
|
char buf[sizeof(IMAGEHLP_SYMBOL) + 512];
|
|
PIMAGEHLP_SYMBOL pSymbol = (PIMAGEHLP_SYMBOL) buf;
|
|
pSymbol->SizeOfStruct = sizeof(buf);
|
|
pSymbol->MaxNameLength = 512;
|
|
|
|
DWORD displacement;
|
|
|
|
ok = _SymGetSymFromAddr(myProcess,
|
|
frame.AddrPC.Offset,
|
|
&displacement,
|
|
pSymbol);
|
|
#endif
|
|
|
|
// All done with debug calls so release our lock.
|
|
ReleaseMutex(hStackWalkMutex);
|
|
|
|
if (ok)
|
|
fprintf(aStream, "%s!%s+0x%08X\n", modInfo.ImageName, pSymbol->Name, displacement);
|
|
else
|
|
fprintf(aStream, "0x%08X\n", (DWORD) addr);
|
|
|
|
// Stop walking when we get to kernel32.dll.
|
|
if (strcmp(modInfo.ImageName, "kernel32.dll") == 0)
|
|
break;
|
|
|
|
}
|
|
else {
|
|
PrintError("LockError", aStream);
|
|
}
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|