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Improved hot compilation handling of DLLs

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This commit is contained in:
Brian Fiete 2023-02-20 16:21:56 -05:00
parent 990b509111
commit c7ae0988dc
9 changed files with 84 additions and 9 deletions
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8
IDEHelper/DebugManager.cpp
View file

@ -1108,6 +1108,14 @@ BF_EXPORT int BF_CALLTYPE Debugger_GetRunState()
return gDebugger->mRunState;
}
BF_EXPORT bool Debugger_HasLoadedTargetBinary()
{
AutoCrit autoCrit(gDebugManager->mCritSect);
if (gDebugger == NULL)
return false;
return gDebugger->HasLoadedTargetBinary();
}
BF_EXPORT bool BF_CALLTYPE Debugger_HasPendingDebugLoads()
{
if (gDebugger == NULL)

23
IDEHelper/DebugTarget.cpp
View file

@ -30,6 +30,8 @@ DebugTarget::DebugTarget(WinDebugger* debugger)
mCapturedNamesPtr = NULL;
mCapturedTypesPtr = NULL;
mHotHeap = NULL;
mHotHeapAddr = 0;
mHotHeapReserveSize = 0;
mLastHotHeapCleanIdx = 0;
mIsEmpty = false;
mWasLocallyBuilt = false;
@ -107,12 +109,18 @@ void DebugTarget::SetupTargetBinary()
{
reservedPtr = (addr_target)VirtualAllocEx(mDebugger->mProcessInfo.hProcess, (void*)(intptr)checkHotReserveAddr, reserveSize, MEM_RESERVE, PAGE_EXECUTE_READWRITE);
if (reservedPtr != NULL)
{
mHotHeapAddr = reservedPtr;
mHotHeapReserveSize = reserveSize;
BfLogDbg("VirtualAllocEx %p %d. ImageBase: %p\n", mHotHeapAddr, mHotHeapReserveSize, mTargetBinary->mImageBase);
break;
}
checkHotReserveAddr += 4 * mb;
}
if (reservedPtr == 0)
{
BfLogDbg("VirtualAllocEx failed. ImageBase: %p\n", mTargetBinary->mImageBase);
mDebugger->Fail("Failed to reserve memory for hot swapping");
}
else
@ -207,7 +215,7 @@ DbgModule* DebugTarget::SetupDyn(const StringImpl& filePath, DataStream* stream,
{
BP_ZONE("DebugTarget::SetupDyn");
AutoDbgTime dbgTime("DebugTarget::SetupDyn " + filePath);
//AutoDbgTime dbgTime("DebugTarget::SetupDyn " + filePath);
DbgModule* dwarf = new COFF(this);
dwarf->mFilePath = filePath;
@ -239,7 +247,7 @@ String DebugTarget::UnloadDyn(addr_target imageBase)
{
String filePath;
AutoDbgTime dbgTime("DebugTarget::UnloadDyn");
//AutoDbgTime dbgTime("DebugTarget::UnloadDyn");
for (int i = 0; i < (int)mDbgModules.size(); i++)
{
@ -252,7 +260,18 @@ String DebugTarget::UnloadDyn(addr_target imageBase)
filePath = dwarf->mFilePath;
if (mTargetBinary == dwarf)
{
mTargetBinary = NULL;
delete mHotHeap;
mHotHeap = NULL;
if (mHotHeapAddr != 0)
{
BfLogDbg("VirtualFreeEx %p %d\n", mHotHeapAddr, mHotHeapReserveSize);
::VirtualFreeEx(mDebugger->mProcessInfo.hProcess, (void*)(intptr)mHotHeapAddr, 0, MEM_RELEASE);
mHotHeapAddr = 0;
}
}
mDbgModules.RemoveAt(i);
bool success = mDbgModuleMap.Remove(dwarf->mId);

2
IDEHelper/DebugTarget.h
View file

@ -34,6 +34,8 @@ public:
Array<DbgType*>* mCapturedTypesPtr;
HotHeap* mHotHeap;
addr_target mHotHeapAddr;
int64 mHotHeapReserveSize;
int mLastHotHeapCleanIdx;
String mTargetPath;
DbgModule* mLaunchBinary;

4
IDEHelper/Debugger.h
View file

@ -159,7 +159,8 @@ enum RunState
RunState_Terminating,
RunState_Terminated,
RunState_SearchingSymSrv,
RunState_HotResolve
RunState_HotResolve,
RunState_TargetUnloaded
};
enum DebuggerResult
@ -268,6 +269,7 @@ public:
virtual void OpenFile(const StringImpl& launchPath, const StringImpl& targetPath, const StringImpl& args, const StringImpl& workingDir, const Array<uint8>& envBlock, bool hotSwapEnabled) = 0;
virtual bool Attach(int processId, BfDbgAttachFlags attachFlags) = 0;
virtual void Run() = 0;
virtual bool HasLoadedTargetBinary() { return true; }
virtual void HotLoad(const Array<String>& objectFiles, int hotIdx) = 0;
virtual void InitiateHotResolve(DbgHotResolveFlags flags) = 0;
virtual intptr GetDbgAllocHeapSize() = 0;

15
IDEHelper/WinDebugger.cpp
View file

@ -1067,6 +1067,13 @@ void WinDebugger::Run()
CloseHandle(hThread);
}
bool WinDebugger::HasLoadedTargetBinary()
{
if (mDebugTarget == NULL)
return false;
return mDebugTarget->mTargetBinary != NULL;
}
void WinDebugger::HotLoad(const Array<String>& objectFiles, int hotIdx)
{
AutoCrit autoCrit(mDebugManager->mCritSect);
@ -1891,10 +1898,16 @@ bool WinDebugger::DoUpdate()
}
}
bool hadTarget = mDebugTarget->mTargetBinary != NULL;
mDebugTarget->UnloadDyn(dbgModule->mImageBase);
if (needsBreakpointRehup)
RehupBreakpoints(true);
if ((mDebugTarget->mTargetBinary == NULL) && (hadTarget))
{
mRunState = RunState_TargetUnloaded;
}
mPendingDebugInfoLoad.Remove(dbgModule);
mPendingDebugInfoRequests.Remove(dbgModule);
mDebugManager->mOutMessages.push_back("modulesChanged");
@ -2880,7 +2893,7 @@ void WinDebugger::ContinueDebugEvent()
}
}
if ((mRunState == RunState_Breakpoint) || (mRunState == RunState_Paused))
if ((mRunState == RunState_Breakpoint) || (mRunState == RunState_Paused) || (mRunState == RunState_TargetUnloaded))
{
ClearCallStack();
mRunState = RunState_Running;

1
IDEHelper/WinDebugger.h
View file

@ -584,6 +584,7 @@ public:
virtual void OpenFile(const StringImpl& launchPath, const StringImpl& targetPath, const StringImpl& args, const StringImpl& workingDir, const Array<uint8>& envBlock, bool hotSwapEnabled) override;
virtual bool Attach(int processId, BfDbgAttachFlags attachFlags) override;
virtual void Run() override;
virtual bool HasLoadedTargetBinary() override;
virtual void HotLoad(const Array<String>& objectFiles, int hotIdx) override;
virtual void InitiateHotResolve(DbgHotResolveFlags flags) override;
virtual intptr GetDbgAllocHeapSize() override;