Add support to DAC for reading tagged memory on tracked types (#54994)

* Add support to DAC for reading tagged memory on tracked types

* Build error on macOS.

* DACize the relevant SyncBlock APIs.
Create helper function for tagged memory API querying.

2 files changed, 98 insertions, 0 deletions

diff --git a/src/coreclr/pal/prebuilt/idl/sospriv_i.cpp b/src/coreclr/pal/prebuilt/idl/sospriv_i.cpp
index c00c70a183b..2f9afdc48e3 100644
--- a/src/coreclr/pal/prebuilt/idl/sospriv_i.cpp
+++ b/src/coreclr/pal/prebuilt/idl/sospriv_i.cpp
@@ -109,6 +109,8 @@ MIDL_DEFINE_GUID(IID, IID_ISOSDacInterface9,0x4eca42d8,0x7e7b,0x4c8a,0xa1,0x16,0
 MIDL_DEFINE_GUID(IID, IID_ISOSDacInterface10,0x90B8FCC3,0x7251,0x4B0A,0xAE,0x3D,0x5C,0x13,0xA6,0x7E,0xC9,0xAA);
 
 
+MIDL_DEFINE_GUID(IID, IID_ISOSDacInterface11,0x96BA1DB9,0x14CD,0x4492,0x80,0x65,0x1C,0xAA,0xEC,0xF6,0xE5,0xCF);
+
 #undef MIDL_DEFINE_GUID
 
 #ifdef __cplusplus
diff --git a/src/coreclr/pal/prebuilt/inc/sospriv.h b/src/coreclr/pal/prebuilt/inc/sospriv.h
index 367ca229043..5c8f17a7fff 100644
--- a/src/coreclr/pal/prebuilt/inc/sospriv.h
+++ b/src/coreclr/pal/prebuilt/inc/sospriv.h
@@ -2896,6 +2896,102 @@ EXTERN_C const IID IID_ISOSDacInterface10;
 
 #endif  /* __ISOSDacInterface10_INTERFACE_DEFINED__ */
 
+#ifndef __ISOSDacInterface11_INTERFACE_DEFINED__
+#define __ISOSDacInterface11_INTERFACE_DEFINED__
+
+/* interface ISOSDacInterface11 */
+/* [uuid][local][object] */ 
+
+
+EXTERN_C const IID IID_ISOSDacInterface11;
+
+#if defined(__cplusplus) && !defined(CINTERFACE)
+    
+    MIDL_INTERFACE("96BA1DB9-14CD-4492-8065-1CAAECF6E5CF")
+    ISOSDacInterface11 : public IUnknown
+    {
+    public:
+        virtual HRESULT STDMETHODCALLTYPE IsTrackedType( 
+            CLRDATA_ADDRESS objAddr,
+            BOOL *isTrackedType,
+            BOOL *hasTaggedMemory) = 0;
+        
+        virtual HRESULT STDMETHODCALLTYPE GetTaggedMemory( 
+            CLRDATA_ADDRESS objAddr,
+            CLRDATA_ADDRESS *taggedMemory,
+            size_t *taggedMemorySizeInBytes) = 0;
+        
+    };
+    
+    
+#else  /* C style interface */
+
+    typedef struct ISOSDacInterface11Vtbl
+    {
+        BEGIN_INTERFACE
+        
+        HRESULT ( STDMETHODCALLTYPE *QueryInterface )( 
+            ISOSDacInterface11 * This,
+            /* [in] */ REFIID riid,
+            /* [annotation][iid_is][out] */ 
+            _COM_Outptr_  void **ppvObject);
+        
+        ULONG ( STDMETHODCALLTYPE *AddRef )( 
+            ISOSDacInterface11 * This);
+        
+        ULONG ( STDMETHODCALLTYPE *Release )( 
+            ISOSDacInterface11 * This);
+        
+        HRESULT ( STDMETHODCALLTYPE *IsTrackedType )( 
+            ISOSDacInterface11 * This,
+            CLRDATA_ADDRESS objAddr,
+            BOOL *isTrackedType,
+            BOOL *hasTaggedMemory);
+        
+        HRESULT ( STDMETHODCALLTYPE *GetTaggedMemory )( 
+            ISOSDacInterface11 * This,
+            CLRDATA_ADDRESS objAddr,
+            CLRDATA_ADDRESS *taggedMemory,
+            size_t *taggedMemorySizeInBytes);
+        
+        END_INTERFACE
+    } ISOSDacInterface11Vtbl;
+
+    interface ISOSDacInterface11
+    {
+        CONST_VTBL struct ISOSDacInterface11Vtbl *lpVtbl;
+    };
+
+    
+
+#ifdef COBJMACROS
+
+
+#define ISOSDacInterface11_QueryInterface(This,riid,ppvObject) \
+    ( (This)->lpVtbl -> QueryInterface(This,riid,ppvObject) ) 
+
+#define ISOSDacInterface11_AddRef(This) \
+    ( (This)->lpVtbl -> AddRef(This) ) 
+
+#define ISOSDacInterface11_Release(This) \
+    ( (This)->lpVtbl -> Release(This) ) 
+
+
+#define ISOSDacInterface11_IsTrackedType(This,objAddr,isTrackedType,hasTaggedMemory) \
+    ( (This)->lpVtbl -> IsTrackedType(This,objAddr,isTrackedType,hasTaggedMemory) ) 
+
+#define ISOSDacInterface11_GetTaggedMemory(This,objAddr,taggedMemory,taggedMemorySizeInBytes) \
+    ( (This)->lpVtbl -> GetTaggedMemory(This,objAddr,taggedMemory,taggedMemorySizeInBytes) ) 
+
+#endif /* COBJMACROS */
+
+
+#endif  /* C style interface */
+
+
+
+
+#endif  /* __ISOSDacInterface11_INTERFACE_DEFINED__ */
 
 /* Additional Prototypes for ALL interfaces */