WIP: ISOSDacInterface18 GCInfo APIs

Add ISOSDacInterface18 with GCInfo inspection APIs:
- GetGCInfoHeader
- GetGCInfoInterruptibleRanges
- GetGCInfoSafePoints
- GetGCInfoRegisterLifetimes
- GetGCInfoStackSlotLifetimes

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: Max Charlamb

src/coreclr/debug/daccess/daccess.cpp

@@ -2962,6 +2962,14 @@ ClrDataAccess::QueryInterface(THIS_
     {
         ifaceRet = static_cast<ISOSDacInterface16*>(this);
     }
+    else if (IsEqualIID(interfaceId, __uuidof(ISOSDacInterface17)))
+    {
+        ifaceRet = static_cast<ISOSDacInterface17*>(this);
+    }
+    else if (IsEqualIID(interfaceId, __uuidof(ISOSDacInterface18)))
+    {
+        ifaceRet = static_cast<ISOSDacInterface18*>(this);
+    }
     else
     {
         *iface = NULL;

src/coreclr/debug/daccess/dacimpl.h

@@ -779,7 +779,9 @@ class ClrDataAccess
       public ISOSDacInterface13,
       public ISOSDacInterface14,
       public ISOSDacInterface15,
-      public ISOSDacInterface16
+      public ISOSDacInterface16,
+      public ISOSDacInterface17,
+      public ISOSDacInterface18
 {
 public:
     ClrDataAccess(ICorDebugDataTarget * pTarget, ICLRDataTarget * pLegacyTarget=0);
@@ -1190,6 +1192,18 @@ class ClrDataAccess
     // ISOSDacInterface16
     virtual HRESULT STDMETHODCALLTYPE GetGCDynamicAdaptationMode(int* pDynamicAdaptationMode);
 
+    // ISOSDacInterface17
+    virtual HRESULT STDMETHODCALLTYPE GetStressLogData(SOSStressLogData *data);
+    virtual HRESULT STDMETHODCALLTYPE GetStressLogThreadEnumerator(ISOSStressLogThreadEnum **ppEnum);
+    virtual HRESULT STDMETHODCALLTYPE GetStressLogMessageEnumerator(CLRDATA_ADDRESS threadStressLogAddress, ISOSStressLogMsgEnum **ppEnum);
+
+    // ISOSDacInterface18
+    virtual HRESULT STDMETHODCALLTYPE GetGCInfoHeader(CLRDATA_ADDRESS ip, SOSGCInfoHeader* header);
+    virtual HRESULT STDMETHODCALLTYPE GetGCInfoInterruptibleRanges(CLRDATA_ADDRESS ip, ULONG count, SOSCodeRange* ranges, ULONG* pNeeded);
+    virtual HRESULT STDMETHODCALLTYPE GetGCInfoSafePoints(CLRDATA_ADDRESS ip, ULONG count, unsigned int* offsets, ULONG* pNeeded);
+    virtual HRESULT STDMETHODCALLTYPE GetGCInfoRegisterLifetimes(CLRDATA_ADDRESS ip, ULONG count, SOSGCRegisterLifetime* lifetimes, ULONG* pNeeded);
+    virtual HRESULT STDMETHODCALLTYPE GetGCInfoStackSlotLifetimes(CLRDATA_ADDRESS ip, ULONG count, SOSGCStackSlotLifetime* lifetimes, ULONG* pNeeded);
+
     //
     // ClrDataAccess.
     //