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