From b4786838985ca249cca04a7d0676ae57ee61ca2b Mon Sep 17 00:00:00 2001
From: Gleb Balykov <g.balykov@samsung.com>
Date: Wed, 21 Jun 2017 19:48:49 +0300
Subject: Remove relocations from SECTION_Readonly for fields not accessed from
 jit code on ARM

---
 src/vm/ceeload.h | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

(limited to 'src/vm/ceeload.h')

diff --git a/src/vm/ceeload.h b/src/vm/ceeload.h
index 0896c9b8ab..15d7959433 100644
--- a/src/vm/ceeload.h
+++ b/src/vm/ceeload.h
@@ -618,7 +618,7 @@ struct ModuleCtorInfo
     DWORD                   numElements;
     DWORD                   numLastAllocated;
     DWORD                   numElementsHot;
-    DPTR(PTR_MethodTable)   ppMT;           // size is numElements
+    DPTR(RelativePointer<PTR_MethodTable>) ppMT; // size is numElements
     PTR_ClassCtorInfoEntry  cctorInfoHot;   // size is numElementsHot
     PTR_ClassCtorInfoEntry  cctorInfoCold;  // size is numElements-numElementsHot
 
@@ -627,8 +627,8 @@ struct ModuleCtorInfo
     DWORD                   numHotHashes;
     DWORD                   numColdHashes;
 
-    ArrayDPTR(FixupPointer<PTR_MethodTable>) ppHotGCStaticsMTs;            // hot table
-    ArrayDPTR(FixupPointer<PTR_MethodTable>) ppColdGCStaticsMTs;           // cold table
+    ArrayDPTR(RelativeFixupPointer<PTR_MethodTable>) ppHotGCStaticsMTs;            // hot table
+    ArrayDPTR(RelativeFixupPointer<PTR_MethodTable>) ppColdGCStaticsMTs;           // cold table
 
     DWORD                   numHotGCStaticsMTs;
     DWORD                   numColdGCStaticsMTs;
@@ -664,7 +664,13 @@ struct ModuleCtorInfo
         return hashVal;
     };
 
-    ArrayDPTR(FixupPointer<PTR_MethodTable>) GetGCStaticMTs(DWORD index);
+    ArrayDPTR(RelativeFixupPointer<PTR_MethodTable>) GetGCStaticMTs(DWORD index);
+
+    PTR_MethodTable GetMT(DWORD i)
+    {
+        LIMITED_METHOD_DAC_CONTRACT;
+        return ppMT[i].GetValue(dac_cast<TADDR>(ppMT) + i * sizeof(RelativePointer<PTR_MethodTable>));
+    }
 
 #ifdef FEATURE_PREJIT
 
@@ -675,11 +681,11 @@ struct ModuleCtorInfo
     class ClassCtorInfoEntryArraySort : public CQuickSort<DWORD>
     {
     private:
-        PTR_MethodTable *m_pBase1;
+        DPTR(RelativePointer<PTR_MethodTable>) m_pBase1;
 
     public:
         //Constructor
-        ClassCtorInfoEntryArraySort(DWORD *base, PTR_MethodTable *base1, int count)
+        ClassCtorInfoEntryArraySort(DWORD *base, DPTR(RelativePointer<PTR_MethodTable>) base1, int count)
           : CQuickSort<DWORD>(base, count)
         {
             WRAPPER_NO_CONTRACT;
@@ -700,6 +706,7 @@ struct ModuleCtorInfo
                 return 1;
         }
         
+#ifndef DACCESS_COMPILE
         // Swap is overwriten so that we can sort both the MethodTable pointer
         // array and the ClassCtorInfoEntry array in parrallel.
         FORCEINLINE void Swap(SSIZE_T iFirst, SSIZE_T iSecond)
@@ -715,10 +722,11 @@ struct ModuleCtorInfo
             m_pBase[iFirst] = m_pBase[iSecond];
             m_pBase[iSecond] = sTemp;
 
-            sTemp1 = m_pBase1[iFirst];
-            m_pBase1[iFirst] = m_pBase1[iSecond];
-            m_pBase1[iSecond] = sTemp1;
+            sTemp1 = m_pBase1[iFirst].GetValueMaybeNull();
+            m_pBase1[iFirst].SetValueMaybeNull(m_pBase1[iSecond].GetValueMaybeNull());
+            m_pBase1[iSecond].SetValueMaybeNull(sTemp1);
         }
+#endif // !DACCESS_COMPILE
     };
 #endif // FEATURE_PREJIT
 };
-- 
cgit v1.2.3


From cf1fb9e17fc8b6ee849edab5a696d0ec5c6eadd2 Mon Sep 17 00:00:00 2001
From: Gleb Balykov <g.balykov@samsung.com>
Date: Fri, 23 Jun 2017 14:57:25 +0300
Subject: Remove relocations for MethodTable::m_pParentMethodTable for Linux
 ARM

---
 src/vm/ceeload.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/vm/ceeload.h')

diff --git a/src/vm/ceeload.h b/src/vm/ceeload.h
index 15d7959433..4533597fba 100644
--- a/src/vm/ceeload.h
+++ b/src/vm/ceeload.h
@@ -2911,6 +2911,10 @@ public:
                                          ClassLoadLevel level = CLASS_LOADED);
     static void RestoreFieldDescPointer(RelativeFixupPointer<PTR_FieldDesc> * ppFD);
 
+    static void RestoreMethodTablePointer(PlainPointer<PTR_MethodTable> * ppMT,
+                                          Module *pContainingModule = NULL,
+                                          ClassLoadLevel level = CLASS_LOADED);
+
     static void RestoreModulePointer(RelativeFixupPointer<PTR_Module> * ppModule, Module *pContainingModule);
 
     static PTR_Module RestoreModulePointerIfLoaded(DPTR(RelativeFixupPointer<PTR_Module>) ppModule, Module *pContainingModule);
-- 
cgit v1.2.3