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test/packages/EAThread/source/null/eathread_callstack_null.cpp

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+///////////////////////////////////////////////////////////////////////////////
+// Copyright (c) Electronic Arts Inc. All rights reserved.
+///////////////////////////////////////////////////////////////////////////////
+
+#include <eathread/eathread_callstack.h>
+#include <eathread/eathread_callstack_context.h>
+#include <eathread/eathread_storage.h>
+#include <string.h>
+
+
+#if defined(_MSC_VER)
+	#pragma warning(disable: 4172) // returning address of local variable or temporary
+#endif
+
+
+namespace EA
+{
+namespace Thread
+{
+
+
+EATHREADLIB_API void InitCallstack()
+{
+}
+
+EATHREADLIB_API void ShutdownCallstack()
+{
+}
+
+EATHREADLIB_API size_t GetCallstack(void* /*callstack*/[], size_t /*maxDepth*/, const CallstackContext* /*pContext*/)
+{
+	return 0;
+}
+
+EATHREADLIB_API bool GetCallstackContext(CallstackContext& /*context*/, intptr_t /*threadId*/)
+{
+	return false;
+}
+
+EATHREADLIB_API bool GetCallstackContextSysThreadId(CallstackContext& /*context*/, intptr_t /*sysThreadId*/)
+{
+	return false;
+}
+
+EATHREADLIB_API void GetCallstackContext(CallstackContext& context, const Context* /*pContext*/)
+{
+	memset(&context, 0, sizeof(context));
+}
+
+EATHREADLIB_API size_t GetModuleFromAddress(const void* /*pAddress*/, char* /*pModuleFileName*/, size_t /*moduleNameCapacity*/)
+{
+	return 0;
+}
+
+EATHREADLIB_API ModuleHandle GetModuleHandleFromAddress(const void* /*pAddress*/)
+{
+	return (ModuleHandle)0;
+}
+
+
+#if EA_THREADS_AVAILABLE
+	static EA::Thread::ThreadLocalStorage sStackBase;
+#else
+	static void* sStackBase;
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+// SetStackBase
+//
+EATHREADLIB_API void SetStackBase(void* pStackBase)
+{
+	if(pStackBase)
+	{
+		#if EA_THREADS_AVAILABLE
+			sStackBase.SetValue(pStackBase);
+		#else
+			sStackBase = pStackBase;
+		#endif
+	}
+	else
+	{
+		pStackBase = GetStackBase();
+		SetStackBase(pStackBase);
+	}
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+// GetStackBase
+//
+EATHREADLIB_API void* GetStackBase()
+{
+	#if EA_THREADS_AVAILABLE
+		void* pStackBase = sStackBase.GetValue();
+	#else
+		void* pStackBase = sStackBase;
+	#endif
+
+	if(!pStackBase)
+		pStackBase = (void*)(((uintptr_t)GetStackLimit() + 4095) & ~4095); // Align up to nearest page, as the stack grows downward.
+
+	return pStackBase;
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+// GetStackLimit
+//
+EATHREADLIB_API void* GetStackLimit()
+{
+	void* pStack = NULL;
+
+	pStack = &pStack;
+
+	return (void*)((uintptr_t)pStack & ~4095); // Round down to nearest page, as the stack grows downward.
+}
+
+} // namespace Thread
+} // namespace EA
+
+
+