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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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23
IDEHelper/DebugTarget.cpp
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@ -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);