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-rw-r--r--src/vm/appdomainstack.h228
1 files changed, 0 insertions, 228 deletions
diff --git a/src/vm/appdomainstack.h b/src/vm/appdomainstack.h
deleted file mode 100644
index fffabf97e4..0000000000
--- a/src/vm/appdomainstack.h
+++ /dev/null
@@ -1,228 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-// Appdomainstack.h -
-//
-
-
-//
-
-
-#ifndef __appdomainstack_h__
-#define __appdomainstack_h__
-
-#include "vars.hpp"
-#include "util.hpp"
-
-
-// Stack of AppDomains executing on the current thread. Used in security optimization to avoid stackwalks
-#define ADSTACK_BLOCK_SIZE 16
-#define INVALID_APPDOMAIN_ID ((DWORD)-1)
-#define CURRENT_APPDOMAIN_ID ((ADID)(DWORD)0)
-#define __GetADID(index) ((index)<ADSTACK_BLOCK_SIZE?m_pStack[(index)].m_domainID:m_pExtraStack[((index)-ADSTACK_BLOCK_SIZE)].m_domainID)
-#define __GetEntryPtr(index) ((index)<ADSTACK_BLOCK_SIZE?&(m_pStack[(index)]):&(m_pExtraStack[((index)-ADSTACK_BLOCK_SIZE)]))
-
-struct AppDomainStackEntry
-{
- ADID m_domainID;
- DWORD m_dwOverridesCount;
- DWORD m_dwAsserts;
- DWORD m_dwPreviousThreadWideSpecialFlags;
-
- FORCEINLINE bool operator==(const AppDomainStackEntry& entry) const
- {
- return (m_domainID == entry.m_domainID &&
- m_dwOverridesCount == entry.m_dwOverridesCount &&
- m_dwAsserts == entry.m_dwAsserts);
- }
- FORCEINLINE bool operator!=(const AppDomainStackEntry& entry) const
- {
- return (m_domainID != entry.m_domainID ||
- m_dwOverridesCount != entry.m_dwOverridesCount ||
- m_dwAsserts != entry.m_dwAsserts);
-
- }
- BOOL IsFullyTrustedWithNoStackModifiers(void);
- BOOL IsHomogeneousWithNoStackModifiers(void);
- BOOL HasFlagsOrFullyTrustedWithNoStackModifiers(DWORD flags);
-};
-
-class AppDomainStack
-{
-public:
- AppDomainStack() : m_numEntries(0), m_pExtraStack(NULL), m_ExtraStackSize(0), m_dwOverridesCount(0), m_dwAsserts(0), m_dwThreadWideSpecialFlags(0xFFFFFFFF)
- {
- LIMITED_METHOD_CONTRACT;
- FillEntries(m_pStack, ADSTACK_BLOCK_SIZE);
- }
-
- AppDomainStack(const AppDomainStack& stack):m_numEntries(0), m_pExtraStack(NULL), m_ExtraStackSize(0), m_dwOverridesCount(0), m_dwAsserts(0)
- {
- CONTRACTL {
- THROWS;
- GC_NOTRIGGER;
- MODE_ANY;
- }
- CONTRACTL_END;
-
- m_dwThreadWideSpecialFlags = stack.m_dwThreadWideSpecialFlags;
- m_numEntries = stack.m_numEntries;
- m_dwOverridesCount = stack.m_dwOverridesCount;
- m_dwAsserts = stack.m_dwAsserts;
- LOG((LF_APPDOMAIN, LL_INFO100, "copy ctor: m_dwAsserts:%d stack.m_dwAsserts:%d\n",m_dwAsserts, stack.m_dwAsserts));
- memcpy(m_pStack, stack.m_pStack, sizeof( AppDomainStackEntry) * ADSTACK_BLOCK_SIZE);
- // If there is anything stored in the extra allocated space, copy that over
- if (m_numEntries > ADSTACK_BLOCK_SIZE)
- {
- // #blocks to allocate = ceil(numDomains/blocksize) - 1 = ceil ((numdomains - blocksize)/blocksize) = numdomains/blocksize
- DWORD numBlocks = m_numEntries/ADSTACK_BLOCK_SIZE;
- m_ExtraStackSize = numBlocks*ADSTACK_BLOCK_SIZE;
- m_pExtraStack = new AppDomainStackEntry[m_ExtraStackSize];
- memcpy(m_pExtraStack, stack.m_pExtraStack, sizeof(AppDomainStackEntry)*(m_numEntries-ADSTACK_BLOCK_SIZE));
- FillEntries((m_pExtraStack+m_numEntries-ADSTACK_BLOCK_SIZE), (m_ExtraStackSize -(m_numEntries-ADSTACK_BLOCK_SIZE)));
- }
- }
-
- ~AppDomainStack()
- {
- CONTRACTL
- {
- MODE_ANY;
- GC_NOTRIGGER;
- NOTHROW;
- } CONTRACTL_END;
- if (m_pExtraStack != NULL)
- delete[] m_pExtraStack;
- m_pExtraStack = NULL;
- m_ExtraStackSize = 0;
- }
-
- bool operator!= (const AppDomainStack& stack) const
- {
- return !(*this == stack);
- }
-
- bool operator== (const AppDomainStack& stack) const
- {
- LIMITED_METHOD_CONTRACT;
- if (this == &stack) // degenerate case: comparing with self
- return true;
- if (this->m_numEntries != stack.m_numEntries ||
- this->m_dwAsserts != stack.m_dwAsserts ||
- this->m_dwOverridesCount != stack.m_dwOverridesCount)
- return false;
- for (unsigned i =0; i < stack.m_numEntries; i++)
- {
- if (i < ADSTACK_BLOCK_SIZE)
- {
- if (this->m_pStack[i] != stack.m_pStack[i])
- return false;
- }
- else
- {
- if (this->m_pExtraStack[i-ADSTACK_BLOCK_SIZE] != stack.m_pExtraStack[i-ADSTACK_BLOCK_SIZE])
- return false;
- }
- }
- return true;
- }
- inline AppDomainStack& operator =(const AppDomainStack& stack)
- {
- CONTRACTL {
- THROWS;
- GC_NOTRIGGER;
- MODE_ANY;
- }
- CONTRACTL_END;
-
- // Degenerate case (assigning x = x)
- if (this == &stack)
- return *this;
-
- m_dwThreadWideSpecialFlags = stack.m_dwThreadWideSpecialFlags;
- m_numEntries = stack.m_numEntries;
- m_dwOverridesCount = stack.m_dwOverridesCount;
- m_dwAsserts = stack.m_dwAsserts;
- LOG((LF_APPDOMAIN, LL_INFO100, "= operator : m_dwAsserts:%d stack.m_dwAsserts:%d\n",m_dwAsserts, stack.m_dwAsserts));
- memcpy(m_pStack, stack.m_pStack, sizeof( AppDomainStackEntry) * ADSTACK_BLOCK_SIZE);
- // If there is anything stored in the extra allocated space, copy that over
- if (m_numEntries > ADSTACK_BLOCK_SIZE)
- {
- // #blocks to allocate = ceil(numDomains/blocksize) - 1 = ceil ((numdomains - blocksize)/blocksize) = numdomains/blocksize
- DWORD numBlocks = m_numEntries/ADSTACK_BLOCK_SIZE;
- if (m_ExtraStackSize < numBlocks*ADSTACK_BLOCK_SIZE)
- {
- // free ptr if it exists
- if (m_pExtraStack != NULL)
- delete[] m_pExtraStack;
- m_pExtraStack = NULL;
-
- m_ExtraStackSize = numBlocks*ADSTACK_BLOCK_SIZE;
- m_pExtraStack = new AppDomainStackEntry[m_ExtraStackSize];
- }
-
- memset(m_pExtraStack, 0xFF, sizeof(ADID) * numBlocks);
- memcpy(m_pExtraStack, stack.m_pExtraStack, sizeof(AppDomainStackEntry)*(m_numEntries-ADSTACK_BLOCK_SIZE));
- FillEntries((m_pExtraStack+m_numEntries-ADSTACK_BLOCK_SIZE), (m_ExtraStackSize -(m_numEntries-ADSTACK_BLOCK_SIZE)));
- }
-
- return *this;
- }
-
- inline void PushDomain(ADID pDomain);
- inline ADID PopDomain();
-
- inline void InitDomainIteration(DWORD *pIndex) const;
- // Gets the next AD on the stack
- inline ADID GetNextDomainOnStack(DWORD *pIndex, DWORD *pOverrides, DWORD *pAsserts) const;
- inline AppDomainStackEntry* GetNextDomainEntryOnStack(DWORD *pIndex);
- inline AppDomainStackEntry* GetCurrentDomainEntryOnStack(DWORD pIndex);
- // Updates the asserts/overrides on the next AD on the stack
- inline void UpdateDomainOnStack(DWORD pIndex, DWORD asserts, DWORD overrides);
- inline DWORD GetNumDomains() const;
- inline void ClearDomainStack();
- inline DWORD GetThreadWideSpecialFlag() const;
- inline DWORD IncrementOverridesCount();
- inline DWORD DecrementOverridesCount();
- inline DWORD GetOverridesCount();
- inline DWORD GetInnerAppDomainOverridesCount();
- inline DWORD IncrementAssertCount();
- inline DWORD DecrementAssertCount();
- inline DWORD GetAssertCount();
- inline DWORD GetInnerAppDomainAssertCount();
- bool IsDefaultSecurityInfo() const;
- BOOL AllDomainsHomogeneousWithNoStackModifiers();
-
-private:
- inline void AddMoreDomains(void);
- inline AppDomainStackEntry* ReadTopOfStack();
- void UpdateStackFromEntries();
- static void FillEntries(AppDomainStackEntry ptr[], DWORD size)
- {
- CONTRACTL
- {
- MODE_ANY;
- GC_NOTRIGGER;
- NOTHROW;
- }CONTRACTL_END;
- _ASSERTE(ptr != NULL);
- DWORD i;
- const AppDomainStackEntry tmp_entry = {ADID(INVALID_APPDOMAIN_ID), 0, 0};
- for(i=0;i<size;i++)
- ptr[i]=tmp_entry;
- }
-
-#ifdef _DEBUG
- inline void LogADStackUpdate(void);
- void CheckOverridesAssertCounts(); // Debug only code to check that assert count/overrides count are always in sync across adstack
-#endif
-
- DWORD m_numEntries;
- AppDomainStackEntry m_pStack[ADSTACK_BLOCK_SIZE];
- AppDomainStackEntry *m_pExtraStack;
- DWORD m_ExtraStackSize;
- DWORD m_dwOverridesCount; // across all entries
- DWORD m_dwAsserts; // across all entries
- DWORD m_dwThreadWideSpecialFlags; // this flag records the last evaluated thread wide security state
-};
-#endif
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