Pass exact context to getMethodInfo (#88025)

* Modify JIT-EE API Co-authored-by: Jan Kotas <jkotas@microsoft.com>
dotnet · Jul 3, 2023 · 19887f7 · 19887f7
1 parent 9a3673a
commit 19887f7
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Showing 17 changed files with 127 additions and 52 deletions.
diff --git a/src/coreclr/inc/corinfo.h b/src/coreclr/inc/corinfo.h
@@ -2078,7 +2078,8 @@ class ICorStaticInfo
     //      This method is used to fetch data needed to inline functions
     virtual bool getMethodInfo (
             CORINFO_METHOD_HANDLE   ftn,            /* IN  */
-            CORINFO_METHOD_INFO*    info            /* OUT */
+            CORINFO_METHOD_INFO*    info,           /* OUT */
+            CORINFO_CONTEXT_HANDLE  context = NULL  /* IN  */
             ) = 0;
 
     // Decides if you have any limitations for inlining. If everything's OK, it will return

diff --git a/src/coreclr/inc/icorjitinfoimpl_generated.h b/src/coreclr/inc/icorjitinfoimpl_generated.h
@@ -38,7 +38,8 @@ void getMethodSig(
 
 bool getMethodInfo(
           CORINFO_METHOD_HANDLE ftn,
-          CORINFO_METHOD_INFO* info) override;
+          CORINFO_METHOD_INFO* info,
+          CORINFO_CONTEXT_HANDLE context) override;
 
 CorInfoInline canInline(
           CORINFO_METHOD_HANDLE callerHnd,

diff --git a/src/coreclr/inc/jiteeversionguid.h b/src/coreclr/inc/jiteeversionguid.h
@@ -43,11 +43,11 @@ typedef const GUID *LPCGUID;
 #define GUID_DEFINED
 #endif // !GUID_DEFINED
 
-constexpr GUID JITEEVersionIdentifier = { /* 878d63a7-ffc9-421f-81f7-db4729f0ed5c */
-    0x878d63a7,
-    0xffc9,
-    0x421f,
-    {0x81, 0xf7, 0xdb, 0x47, 0x29, 0xf0, 0xed, 0x5c}
+constexpr GUID JITEEVersionIdentifier = { /* 2335da47-1d6c-4844-96b6-025558a525ba */
+    0x2335da47,
+    0x1d6c,
+    0x4844,
+    {0x96, 0xb6, 0x02, 0x55, 0x58, 0xa5, 0x25, 0xba}
   };
 
 //////////////////////////////////////////////////////////////////////////////////////////////////////////

diff --git a/src/coreclr/jit/ICorJitInfo_wrapper_generated.hpp b/src/coreclr/jit/ICorJitInfo_wrapper_generated.hpp
@@ -51,10 +51,11 @@ void WrapICorJitInfo::getMethodSig(
 
 bool WrapICorJitInfo::getMethodInfo(
           CORINFO_METHOD_HANDLE ftn,
-          CORINFO_METHOD_INFO* info)
+          CORINFO_METHOD_INFO* info,
+          CORINFO_CONTEXT_HANDLE context)
 {
     API_ENTER(getMethodInfo);
-    bool temp = wrapHnd->getMethodInfo(ftn, info);
+    bool temp = wrapHnd->getMethodInfo(ftn, info, context);
     API_LEAVE(getMethodInfo);
     return temp;
 }

diff --git a/src/coreclr/jit/importercalls.cpp b/src/coreclr/jit/importercalls.cpp
@@ -7775,11 +7775,35 @@ void Compiler::impCheckCanInline(GenTreeCall*           call,
                 return;
             }
 #endif
+            JITDUMP("\nCheckCanInline: fetching method info for inline candidate %s -- context %p\n",
+                    compiler->eeGetMethodName(ftn), pParam->exactContextHnd);
+
+            if (pParam->exactContextHnd == nullptr)
+            {
+                JITDUMP("NULL context\n");
+            }
+            else if (pParam->exactContextHnd == METHOD_BEING_COMPILED_CONTEXT())
+            {
+                JITDUMP("Current method context\n");
+            }
+            else if ((((size_t)pParam->exactContextHnd & CORINFO_CONTEXTFLAGS_MASK) == CORINFO_CONTEXTFLAGS_METHOD))
+            {
+                JITDUMP("Method context: %s\n",
+                        compiler->eeGetMethodName((CORINFO_METHOD_HANDLE)pParam->exactContextHnd));
+            }
+            else
+            {
+                JITDUMP("Class context: %s\n", compiler->eeGetClassName((CORINFO_CLASS_HANDLE)(
+                                                   (size_t)pParam->exactContextHnd & ~CORINFO_CONTEXTFLAGS_MASK)));
+            }
+
+            const bool isGdv = pParam->call->IsGuardedDevirtualizationCandidate();
 
             // Fetch method info. This may fail, if the method doesn't have IL.
+            // NOTE: For GDV we're expected to use a different context (per candidate)
             //
             CORINFO_METHOD_INFO methInfo;
-            if (!compCompHnd->getMethodInfo(ftn, &methInfo))
+            if (!compCompHnd->getMethodInfo(ftn, &methInfo, isGdv ? nullptr : pParam->exactContextHnd))
             {
                 inlineResult->NoteFatal(InlineObservation::CALLEE_NO_METHOD_INFO);
                 return;

diff --git a/src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs b/src/coreclr/tools/Common/JitInterface/CorInfoImpl.cs
@@ -1179,9 +1179,29 @@ private void getMethodSig(CORINFO_METHOD_STRUCT_* ftn, CORINFO_SIG_INFO* sig, CO
             Get_CORINFO_SIG_INFO(method, sig: sig, scope: null);
         }
 
-        private bool getMethodInfo(CORINFO_METHOD_STRUCT_* ftn, CORINFO_METHOD_INFO* info)
+        private bool getMethodInfo(CORINFO_METHOD_STRUCT_* ftn, CORINFO_METHOD_INFO* info, CORINFO_CONTEXT_STRUCT* context)
         {
             MethodDesc method = HandleToObject(ftn);
+
+            if (context != null && method.IsSharedByGenericInstantiations)
+            {
+                TypeSystemEntity ctx = entityFromContext(context);
+                if (ctx is MethodDesc methodFromCtx && context != contextFromMethodBeingCompiled())
+                {
+                    Debug.Assert(method.GetTypicalMethodDefinition() == methodFromCtx.GetTypicalMethodDefinition());
+                    method = methodFromCtx;
+                }
+                else if (ctx is InstantiatedType instantiatedCtxType)
+                {
+                    MethodDesc instantiatedMethod = _compilation.TypeSystemContext.GetMethodForInstantiatedType(method.GetTypicalMethodDefinition(), instantiatedCtxType);
+                    if (method.HasInstantiation)
+                    {
+                        instantiatedMethod = _compilation.TypeSystemContext.GetInstantiatedMethod(instantiatedMethod, method.Instantiation);
+                    }
+                    method = instantiatedMethod;
+                }
+            }
+
 #if READYTORUN
             // Add an early CanInline check to see if referring to the IL of the target methods is
             // permitted from within this MethodBeingCompiled, the full CanInline check will be performed

diff --git a/src/coreclr/tools/Common/JitInterface/CorInfoImpl_generated.cs b/src/coreclr/tools/Common/JitInterface/CorInfoImpl_generated.cs
@@ -71,12 +71,12 @@ private static void _getMethodSig(IntPtr thisHandle, IntPtr* ppException, CORINF
         }
 
         [UnmanagedCallersOnly]
-        private static byte _getMethodInfo(IntPtr thisHandle, IntPtr* ppException, CORINFO_METHOD_STRUCT_* ftn, CORINFO_METHOD_INFO* info)
+        private static byte _getMethodInfo(IntPtr thisHandle, IntPtr* ppException, CORINFO_METHOD_STRUCT_* ftn, CORINFO_METHOD_INFO* info, CORINFO_CONTEXT_STRUCT* context)
         {
             var _this = GetThis(thisHandle);
             try
             {
-                return _this.getMethodInfo(ftn, info) ? (byte)1 : (byte)0;
+                return _this.getMethodInfo(ftn, info, context) ? (byte)1 : (byte)0;
             }
             catch (Exception ex)
             {
@@ -2513,7 +2513,7 @@ private static IntPtr GetUnmanagedCallbacks()
             callbacks[1] = (delegate* unmanaged<IntPtr, IntPtr*, CORINFO_METHOD_STRUCT_*, uint>)&_getMethodAttribs;
             callbacks[2] = (delegate* unmanaged<IntPtr, IntPtr*, CORINFO_METHOD_STRUCT_*, CorInfoMethodRuntimeFlags, void>)&_setMethodAttribs;
             callbacks[3] = (delegate* unmanaged<IntPtr, IntPtr*, CORINFO_METHOD_STRUCT_*, CORINFO_SIG_INFO*, CORINFO_CLASS_STRUCT_*, void>)&_getMethodSig;
-            callbacks[4] = (delegate* unmanaged<IntPtr, IntPtr*, CORINFO_METHOD_STRUCT_*, CORINFO_METHOD_INFO*, byte>)&_getMethodInfo;
+            callbacks[4] = (delegate* unmanaged<IntPtr, IntPtr*, CORINFO_METHOD_STRUCT_*, CORINFO_METHOD_INFO*, CORINFO_CONTEXT_STRUCT*, byte>)&_getMethodInfo;
             callbacks[5] = (delegate* unmanaged<IntPtr, IntPtr*, CORINFO_METHOD_STRUCT_*, CORINFO_METHOD_STRUCT_*, CorInfoInline>)&_canInline;
             callbacks[6] = (delegate* unmanaged<IntPtr, IntPtr*, CORINFO_METHOD_STRUCT_*, CORINFO_METHOD_STRUCT_*, void>)&_beginInlining;
             callbacks[7] = (delegate* unmanaged<IntPtr, IntPtr*, CORINFO_METHOD_STRUCT_*, CORINFO_METHOD_STRUCT_*, CorInfoInline, byte*, void>)&_reportInliningDecision;

diff --git a/src/coreclr/tools/Common/JitInterface/ThunkGenerator/ThunkInput.txt b/src/coreclr/tools/Common/JitInterface/ThunkGenerator/ThunkInput.txt
@@ -165,7 +165,7 @@ FUNCTIONS
     uint32_t getMethodAttribs(        CORINFO_METHOD_HANDLE       ftn        );
     void setMethodAttribs(        CORINFO_METHOD_HANDLE       ftn,        CorInfoMethodRuntimeFlags   attribs        );
     void getMethodSig(        CORINFO_METHOD_HANDLE      ftn,        CORINFO_SIG_INFO          *sig,        CORINFO_CLASS_HANDLE      memberParent         );
-    bool getMethodInfo(        CORINFO_METHOD_HANDLE   ftn,        CORINFO_METHOD_INFO*    info        );
+    bool getMethodInfo(CORINFO_METHOD_HANDLE ftn, CORINFO_METHOD_INFO* info, CORINFO_CONTEXT_HANDLE context);
     CorInfoInline canInline(        CORINFO_METHOD_HANDLE       callerHnd,        CORINFO_METHOD_HANDLE       calleeHnd);
     void beginInlining(CORINFO_METHOD_HANDLE inlinerHnd,        CORINFO_METHOD_HANDLE inlineeHnd);
     void reportInliningDecision(CORINFO_METHOD_HANDLE inlinerHnd,        CORINFO_METHOD_HANDLE inlineeHnd,        CorInfoInline inlineResult,        const char * reason);

diff --git a/src/coreclr/tools/aot/jitinterface/jitinterface_generated.h b/src/coreclr/tools/aot/jitinterface/jitinterface_generated.h
@@ -15,7 +15,7 @@ struct JitInterfaceCallbacks
     uint32_t (* getMethodAttribs)(void * thisHandle, CorInfoExceptionClass** ppException, CORINFO_METHOD_HANDLE ftn);
     void (* setMethodAttribs)(void * thisHandle, CorInfoExceptionClass** ppException, CORINFO_METHOD_HANDLE ftn, CorInfoMethodRuntimeFlags attribs);
     void (* getMethodSig)(void * thisHandle, CorInfoExceptionClass** ppException, CORINFO_METHOD_HANDLE ftn, CORINFO_SIG_INFO* sig, CORINFO_CLASS_HANDLE memberParent);
-    bool (* getMethodInfo)(void * thisHandle, CorInfoExceptionClass** ppException, CORINFO_METHOD_HANDLE ftn, CORINFO_METHOD_INFO* info);
+    bool (* getMethodInfo)(void * thisHandle, CorInfoExceptionClass** ppException, CORINFO_METHOD_HANDLE ftn, CORINFO_METHOD_INFO* info, CORINFO_CONTEXT_HANDLE context);
     CorInfoInline (* canInline)(void * thisHandle, CorInfoExceptionClass** ppException, CORINFO_METHOD_HANDLE callerHnd, CORINFO_METHOD_HANDLE calleeHnd);
     void (* beginInlining)(void * thisHandle, CorInfoExceptionClass** ppException, CORINFO_METHOD_HANDLE inlinerHnd, CORINFO_METHOD_HANDLE inlineeHnd);
     void (* reportInliningDecision)(void * thisHandle, CorInfoExceptionClass** ppException, CORINFO_METHOD_HANDLE inlinerHnd, CORINFO_METHOD_HANDLE inlineeHnd, CorInfoInline inlineResult, const char* reason);
@@ -234,10 +234,11 @@ class JitInterfaceWrapper : public ICorJitInfo
 
     virtual bool getMethodInfo(
           CORINFO_METHOD_HANDLE ftn,
-          CORINFO_METHOD_INFO* info)
+          CORINFO_METHOD_INFO* info,
+          CORINFO_CONTEXT_HANDLE context)
 {
     CorInfoExceptionClass* pException = nullptr;
-    bool temp = _callbacks->getMethodInfo(_thisHandle, &pException, ftn, info);
+    bool temp = _callbacks->getMethodInfo(_thisHandle, &pException, ftn, info, context);
     if (pException != nullptr) throw pException;
     return temp;
 }

diff --git a/src/coreclr/tools/superpmi/superpmi-shared/lwmlist.h b/src/coreclr/tools/superpmi/superpmi-shared/lwmlist.h
@@ -106,7 +106,7 @@ LWM(GetAssemblyName, DWORDLONG, DWORD)
 LWM(GetMethodClass, DWORDLONG, DWORDLONG)
 LWM(GetMethodDefFromMethod, DWORDLONG, DWORD)
 LWM(GetMethodHash, DWORDLONG, DWORD)
-LWM(GetMethodInfo, DWORDLONG, Agnostic_GetMethodInfo)
+LWM(GetMethodInfo, DLDL, Agnostic_GetMethodInfo)
 LWM(GetMethodNameFromMetadata, Agnostic_CORINFO_METHODNAME_TOKENin, Agnostic_CORINFO_METHODNAME_TOKENout)
 LWM(GetMethodSig, DLDL, Agnostic_CORINFO_SIG_INFO)
 LWM(GetMethodSync, DWORDLONG, DLDL)

diff --git a/src/coreclr/tools/superpmi/superpmi-shared/methodcontext.cpp b/src/coreclr/tools/superpmi/superpmi-shared/methodcontext.cpp
@@ -2939,13 +2939,14 @@ CorInfoHFAElemType MethodContext::repGetHFAType(CORINFO_CLASS_HANDLE clsHnd)
     return (CorInfoHFAElemType)value;
 }
 
-void MethodContext::recGetMethodInfo(CORINFO_METHOD_HANDLE ftn,
-                                     CORINFO_METHOD_INFO*  info,
-                                     bool                  result,
-                                     DWORD                 exceptionCode)
+void MethodContext::recGetMethodInfo(CORINFO_METHOD_HANDLE  ftn,
+                                     CORINFO_METHOD_INFO*   info,
+                                     CORINFO_CONTEXT_HANDLE context,
+                                     bool                   result,
+                                     DWORD                  exceptionCode)
 {
     if (GetMethodInfo == nullptr)
-        GetMethodInfo = new LightWeightMap<DWORDLONG, Agnostic_GetMethodInfo>();
+        GetMethodInfo = new LightWeightMap<DLDL, Agnostic_GetMethodInfo>();
 
     Agnostic_GetMethodInfo value;
     ZeroMemory(&value, sizeof(value));
@@ -2967,31 +2968,35 @@ void MethodContext::recGetMethodInfo(CORINFO_METHOD_HANDLE ftn,
     value.result        = result;
     value.exceptionCode = (DWORD)exceptionCode;
 
-    DWORDLONG key = CastHandle(ftn);
+    DLDL key;
+    key.A = CastHandle(ftn);
+    key.B = CastHandle(context);
     GetMethodInfo->Add(key, value);
     DEBUG_REC(dmpGetMethodInfo(key, value));
 }
-void MethodContext::dmpGetMethodInfo(DWORDLONG key, const Agnostic_GetMethodInfo& value)
+void MethodContext::dmpGetMethodInfo(DLDL key, const Agnostic_GetMethodInfo& value)
 {
     if (value.result)
     {
-        printf("GetMethodInfo key ftn-%016" PRIX64 ", value res-%u ftn-%016" PRIX64 " scp-%016" PRIX64 " ilo-%u ils-%u ms-%u ehc-%u opt-%08X rk-%u args-%s locals-%s excp-%08X",
-            key, value.result, value.info.ftn, value.info.scope, value.info.ILCode_offset, value.info.ILCodeSize,
+        printf("GetMethodInfo key ftn-%016" PRIX64 " ctx-%016" PRIX64 ", value res-%u ftn-%016" PRIX64 " scp-%016" PRIX64 " ilo-%u ils-%u ms-%u ehc-%u opt-%08X rk-%u args-%s locals-%s excp-%08X",
+            key.A, key.B, value.result, value.info.ftn, value.info.scope, value.info.ILCode_offset, value.info.ILCodeSize,
             value.info.maxStack, value.info.EHcount, value.info.options, value.info.regionKind,
             SpmiDumpHelper::DumpAgnostic_CORINFO_SIG_INFO(value.info.args, GetMethodInfo, SigInstHandleMap).c_str(),
             SpmiDumpHelper::DumpAgnostic_CORINFO_SIG_INFO(value.info.locals, GetMethodInfo, SigInstHandleMap).c_str(),
             value.exceptionCode);
     }
     else
     {
-        printf("GetMethodInfo key ftn-%016" PRIX64 ", value res-%u excp-%08X",
-            key, value.result, value.exceptionCode);
+        printf("GetMethodInfo key ftn-%016" PRIX64 " ctx-%016" PRIX64 ", value res-%u excp-%08X",
+            key.A, key.B, value.result, value.exceptionCode);
     }
 }
-bool MethodContext::repGetMethodInfo(CORINFO_METHOD_HANDLE ftn, CORINFO_METHOD_INFO* info, DWORD* exceptionCode)
+bool MethodContext::repGetMethodInfo(CORINFO_METHOD_HANDLE ftn, CORINFO_METHOD_INFO* info, CORINFO_CONTEXT_HANDLE context, DWORD* exceptionCode)
 {
-    DWORDLONG key = CastHandle(ftn);
-    Agnostic_GetMethodInfo value = LookupByKeyOrMiss(GetMethodInfo, key, ": key %016" PRIX64 "", key);
+    DLDL key;
+    key.A = CastHandle(ftn);
+    key.B = CastHandle(context);
+    Agnostic_GetMethodInfo value = LookupByKeyOrMiss(GetMethodInfo, key, ": key %016" PRIX64 "", key.A);
 
     DEBUG_REP(dmpGetMethodInfo(key, value));
 

diff --git a/src/coreclr/tools/superpmi/superpmi-shared/methodcontext.h b/src/coreclr/tools/superpmi/superpmi-shared/methodcontext.h
@@ -402,9 +402,9 @@ class MethodContext
     void dmpGetHFAType(DWORDLONG key, DWORD value);
     CorInfoHFAElemType repGetHFAType(CORINFO_CLASS_HANDLE clsHnd);
 
-    void recGetMethodInfo(CORINFO_METHOD_HANDLE ftn, CORINFO_METHOD_INFO* info, bool result, DWORD exceptionCode);
-    void dmpGetMethodInfo(DWORDLONG key, const Agnostic_GetMethodInfo& value);
-    bool repGetMethodInfo(CORINFO_METHOD_HANDLE ftn, CORINFO_METHOD_INFO* info, DWORD* exceptionCode);
+    void recGetMethodInfo(CORINFO_METHOD_HANDLE ftn, CORINFO_METHOD_INFO* info, CORINFO_CONTEXT_HANDLE context, bool result, DWORD exceptionCode);
+    void dmpGetMethodInfo(DLDL key, const Agnostic_GetMethodInfo& value);
+    bool repGetMethodInfo(CORINFO_METHOD_HANDLE ftn, CORINFO_METHOD_INFO* info, CORINFO_CONTEXT_HANDLE context, DWORD* exceptionCode);
 
     void recGetNewHelper(CORINFO_RESOLVED_TOKEN* pResolvedToken,
                          CORINFO_METHOD_HANDLE   callerHandle,

diff --git a/src/coreclr/tools/superpmi/superpmi-shim-collector/icorjitinfo.cpp b/src/coreclr/tools/superpmi/superpmi-shim-collector/icorjitinfo.cpp
@@ -68,8 +68,9 @@ void interceptor_ICJI::getMethodSig(CORINFO_METHOD_HANDLE ftn,         /* IN  */
 // return information about a method private to the implementation
 //      returns false if method is not IL, or is otherwise unavailable.
 //      This method is used to fetch data needed to inline functions
-bool interceptor_ICJI::getMethodInfo(CORINFO_METHOD_HANDLE ftn, /* IN  */
-                                     CORINFO_METHOD_INFO*  info /* OUT */
+bool interceptor_ICJI::getMethodInfo(CORINFO_METHOD_HANDLE  ftn,    /* IN  */
+                                     CORINFO_METHOD_INFO*   info,   /* OUT */
+                                     CORINFO_CONTEXT_HANDLE context /* IN  */
                                      )
 {
     bool temp  = false;
@@ -78,11 +79,11 @@ bool interceptor_ICJI::getMethodInfo(CORINFO_METHOD_HANDLE ftn, /* IN  */
     [&]()
     {
         mc->cr->AddCall("getMethodInfo");
-        temp = original_ICorJitInfo->getMethodInfo(ftn, info);
+        temp = original_ICorJitInfo->getMethodInfo(ftn, info, context);
     },
     [&](DWORD exceptionCode)
     {
-        this->mc->recGetMethodInfo(ftn, info, temp, exceptionCode);
+        this->mc->recGetMethodInfo(ftn, info, context, temp, exceptionCode);
     });
 
     return temp;

diff --git a/src/coreclr/tools/superpmi/superpmi-shim-counter/icorjitinfo_generated.cpp b/src/coreclr/tools/superpmi/superpmi-shim-counter/icorjitinfo_generated.cpp
@@ -45,10 +45,11 @@ void interceptor_ICJI::getMethodSig(
 
 bool interceptor_ICJI::getMethodInfo(
           CORINFO_METHOD_HANDLE ftn,
-          CORINFO_METHOD_INFO* info)
+          CORINFO_METHOD_INFO* info,
+          CORINFO_CONTEXT_HANDLE context)
 {
     mcs->AddCall("getMethodInfo");
-    return original_ICorJitInfo->getMethodInfo(ftn, info);
+    return original_ICorJitInfo->getMethodInfo(ftn, info, context);
 }
 
 CorInfoInline interceptor_ICJI::canInline(

diff --git a/src/coreclr/tools/superpmi/superpmi-shim-simple/icorjitinfo_generated.cpp b/src/coreclr/tools/superpmi/superpmi-shim-simple/icorjitinfo_generated.cpp
@@ -41,9 +41,10 @@ void interceptor_ICJI::getMethodSig(
 
 bool interceptor_ICJI::getMethodInfo(
           CORINFO_METHOD_HANDLE ftn,
-          CORINFO_METHOD_INFO* info)
+          CORINFO_METHOD_INFO* info,
+          CORINFO_CONTEXT_HANDLE context)
 {
-    return original_ICorJitInfo->getMethodInfo(ftn, info);
+    return original_ICorJitInfo->getMethodInfo(ftn, info, context);
 }
 
 CorInfoInline interceptor_ICJI::canInline(

diff --git a/src/coreclr/tools/superpmi/superpmi/icorjitinfo.cpp b/src/coreclr/tools/superpmi/superpmi/icorjitinfo.cpp
@@ -68,13 +68,14 @@ void MyICJI::getMethodSig(CORINFO_METHOD_HANDLE ftn,         /* IN  */
 // return information about a method private to the implementation
 //      returns false if method is not IL, or is otherwise unavailable.
 //      This method is used to fetch data needed to inline functions
-bool MyICJI::getMethodInfo(CORINFO_METHOD_HANDLE ftn, /* IN  */
-                           CORINFO_METHOD_INFO*  info /* OUT */
+bool MyICJI::getMethodInfo(CORINFO_METHOD_HANDLE  ftn,    /* IN  */
+                           CORINFO_METHOD_INFO*   info,   /* OUT */
+                           CORINFO_CONTEXT_HANDLE context /* IN  */
                            )
 {
     jitInstance->mc->cr->AddCall("getMethodInfo");
     DWORD exceptionCode = 0;
-    bool  value         = jitInstance->mc->repGetMethodInfo(ftn, info, &exceptionCode);
+    bool  value         = jitInstance->mc->repGetMethodInfo(ftn, info, context, &exceptionCode);
     if (exceptionCode != 0)
         ThrowException(exceptionCode);
     return value;