SOS(Son of Strike)擴展調(diào)試器可以用來顯示CLR數(shù)據(jù)結(jié)構(gòu)的內(nèi)容。SOS是作為.net framework的一部分安裝的(SOS.dll),位于%windir%\Microsoft.NET\Framework\v*.*.****(版本號)\目錄下。在使用SOS(加載SOS.dll)進行調(diào)試的步驟:
Step1 在Visual Studio中設(shè)置項目屬性,以啟動托管調(diào)試:Visual Studio打開要調(diào)試的項目,菜單->項目(Project)->Project屬性->調(diào)試->啟用非托管代碼調(diào)試,如下圖所示:
Step2 在代碼中設(shè)置斷點->F5啟動調(diào)試,運行到斷點處;
Step3 設(shè)置Symbol目錄:
如果不設(shè)置Symbol目錄,運行下面的命令時會提示“PDB symbol for mscorwks.dll not loaded”,這里我們只需要再設(shè)置下Symbol目錄就行了:菜單->工具->選項->調(diào)試->符號,設(shè)置如下:
Step4 菜單->調(diào)試(Debug)->窗口(Windows)->即時(Immediate),在打開的“即時窗口”中輸入“!load sos.dll”來加載SOS.dll,如果加載成功,則會提示“已加載擴展%windir%\Microsoft.NET\Framework\v*.*.****(版本號)\sos.dll”;
Step5 在“即時窗口”中輸入“!help”可以獲得調(diào)試命令列表(如下),輸入"!help <command>" 可以獲得該命令的詳細信息.
!help
-------------------------------------------------------------------------------
SOS is a debugger extension DLL designed to aid in the debugging of managed
programs. Functions are listed by category, then roughly in order of
importance. Shortcut names for popular functions are listed in parenthesis.
Type "!help <functionname>" for detailed info on that function. 
Object Inspection Examining code and stacks
----------------------------- -----------------------------
DumpObj (do) Threads
DumpArray (da) CLRStack
DumpStackObjects (dso) IP2MD
DumpHeap U
DumpVC DumpStack
GCRoot EEStack
ObjSize GCInfo
FinalizeQueue EHInfo
PrintException (pe) COMState
TraverseHeap BPMD 
Examining CLR data structures Diagnostic Utilities
----------------------------- -----------------------------
DumpDomain VerifyHeap
EEHeap DumpLog
Name2EE FindAppDomain
SyncBlk SaveModule
DumpMT GCHandles
DumpClass GCHandleLeaks
DumpMD VMMap
Token2EE VMStat
EEVersion ProcInfo
DumpModule StopOnException (soe)
ThreadPool MinidumpMode DumpAssembly
DumpMethodSig
DumpRuntimeTypes Other
DumpSig -----------------------------
RCWCleanupList FAQ
DumpIL
安裝VS2003時,也會安裝SOS的幫助文檔,位于目錄Program Files\Microsoft Visual Studio .NET 2003\SDK\v1.1\Tool Developers Guide\Samples\sos下;但VS2005中貌似沒有安裝該幫助文檔,這里有更詳細的文檔http://msdn2.microsoft.com/en-us/library/ms954594.aspx...。我將這兩份文檔放在我的cnblogs上,可以從這里(https://files.cnblogs.com/happyhippy/sos.rar)下載。
浙公網(wǎng)安備 33010602011771號