forked from OSchip/llvm-project
214 lines
8.6 KiB
C++
214 lines
8.6 KiB
C++
/*===-- llvm-c/ExecutionEngine.h - ExecutionEngine Lib C Iface --*- C++ -*-===*\
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|* *|
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|* The LLVM Compiler Infrastructure *|
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|* *|
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|* This file is distributed under the University of Illinois Open Source *|
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|* License. See LICENSE.TXT for details. *|
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|* *|
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|*===----------------------------------------------------------------------===*|
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|* *|
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|* This header declares the C interface to libLLVMExecutionEngine.o, which *|
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|* implements various analyses of the LLVM IR. *|
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|* *|
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|* Many exotic languages can interoperate with C code but have a harder time *|
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|* with C++ due to name mangling. So in addition to C, this interface enables *|
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|* tools written in such languages. *|
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|* *|
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\*===----------------------------------------------------------------------===*/
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#ifndef LLVM_C_EXECUTIONENGINE_H
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#define LLVM_C_EXECUTIONENGINE_H
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#include "llvm-c/Core.h"
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#include "llvm-c/Target.h"
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#include "llvm-c/TargetMachine.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @defgroup LLVMCExecutionEngine Execution Engine
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* @ingroup LLVMC
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*
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* @{
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*/
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void LLVMLinkInMCJIT(void);
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void LLVMLinkInInterpreter(void);
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typedef struct LLVMOpaqueGenericValue *LLVMGenericValueRef;
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typedef struct LLVMOpaqueExecutionEngine *LLVMExecutionEngineRef;
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typedef struct LLVMOpaqueMCJITMemoryManager *LLVMMCJITMemoryManagerRef;
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struct LLVMMCJITCompilerOptions {
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unsigned OptLevel;
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LLVMCodeModel CodeModel;
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LLVMBool NoFramePointerElim;
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LLVMBool EnableFastISel;
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LLVMMCJITMemoryManagerRef MCJMM;
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};
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/*===-- Operations on generic values --------------------------------------===*/
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LLVMGenericValueRef LLVMCreateGenericValueOfInt(LLVMTypeRef Ty,
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unsigned long long N,
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LLVMBool IsSigned);
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LLVMGenericValueRef LLVMCreateGenericValueOfPointer(void *P);
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LLVMGenericValueRef LLVMCreateGenericValueOfFloat(LLVMTypeRef Ty, double N);
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unsigned LLVMGenericValueIntWidth(LLVMGenericValueRef GenValRef);
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unsigned long long LLVMGenericValueToInt(LLVMGenericValueRef GenVal,
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LLVMBool IsSigned);
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void *LLVMGenericValueToPointer(LLVMGenericValueRef GenVal);
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double LLVMGenericValueToFloat(LLVMTypeRef TyRef, LLVMGenericValueRef GenVal);
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void LLVMDisposeGenericValue(LLVMGenericValueRef GenVal);
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/*===-- Operations on execution engines -----------------------------------===*/
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LLVMBool LLVMCreateExecutionEngineForModule(LLVMExecutionEngineRef *OutEE,
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LLVMModuleRef M,
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char **OutError);
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LLVMBool LLVMCreateInterpreterForModule(LLVMExecutionEngineRef *OutInterp,
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LLVMModuleRef M,
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char **OutError);
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LLVMBool LLVMCreateJITCompilerForModule(LLVMExecutionEngineRef *OutJIT,
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LLVMModuleRef M,
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unsigned OptLevel,
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char **OutError);
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void LLVMInitializeMCJITCompilerOptions(
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struct LLVMMCJITCompilerOptions *Options, size_t SizeOfOptions);
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/**
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* Create an MCJIT execution engine for a module, with the given options. It is
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* the responsibility of the caller to ensure that all fields in Options up to
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* the given SizeOfOptions are initialized. It is correct to pass a smaller
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* value of SizeOfOptions that omits some fields. The canonical way of using
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* this is:
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*
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* LLVMMCJITCompilerOptions options;
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* LLVMInitializeMCJITCompilerOptions(&options, sizeof(options));
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* ... fill in those options you care about
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* LLVMCreateMCJITCompilerForModule(&jit, mod, &options, sizeof(options),
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* &error);
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*
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* Note that this is also correct, though possibly suboptimal:
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*
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* LLVMCreateMCJITCompilerForModule(&jit, mod, 0, 0, &error);
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*/
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LLVMBool LLVMCreateMCJITCompilerForModule(
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LLVMExecutionEngineRef *OutJIT, LLVMModuleRef M,
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struct LLVMMCJITCompilerOptions *Options, size_t SizeOfOptions,
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char **OutError);
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/** Deprecated: Use LLVMCreateExecutionEngineForModule instead. */
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LLVMBool LLVMCreateExecutionEngine(LLVMExecutionEngineRef *OutEE,
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LLVMModuleProviderRef MP,
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char **OutError);
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/** Deprecated: Use LLVMCreateInterpreterForModule instead. */
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LLVMBool LLVMCreateInterpreter(LLVMExecutionEngineRef *OutInterp,
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LLVMModuleProviderRef MP,
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char **OutError);
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/** Deprecated: Use LLVMCreateJITCompilerForModule instead. */
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LLVMBool LLVMCreateJITCompiler(LLVMExecutionEngineRef *OutJIT,
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LLVMModuleProviderRef MP,
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unsigned OptLevel,
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char **OutError);
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void LLVMDisposeExecutionEngine(LLVMExecutionEngineRef EE);
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void LLVMRunStaticConstructors(LLVMExecutionEngineRef EE);
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void LLVMRunStaticDestructors(LLVMExecutionEngineRef EE);
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int LLVMRunFunctionAsMain(LLVMExecutionEngineRef EE, LLVMValueRef F,
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unsigned ArgC, const char * const *ArgV,
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const char * const *EnvP);
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LLVMGenericValueRef LLVMRunFunction(LLVMExecutionEngineRef EE, LLVMValueRef F,
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unsigned NumArgs,
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LLVMGenericValueRef *Args);
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void LLVMFreeMachineCodeForFunction(LLVMExecutionEngineRef EE, LLVMValueRef F);
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void LLVMAddModule(LLVMExecutionEngineRef EE, LLVMModuleRef M);
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/** Deprecated: Use LLVMAddModule instead. */
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void LLVMAddModuleProvider(LLVMExecutionEngineRef EE, LLVMModuleProviderRef MP);
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LLVMBool LLVMRemoveModule(LLVMExecutionEngineRef EE, LLVMModuleRef M,
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LLVMModuleRef *OutMod, char **OutError);
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/** Deprecated: Use LLVMRemoveModule instead. */
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LLVMBool LLVMRemoveModuleProvider(LLVMExecutionEngineRef EE,
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LLVMModuleProviderRef MP,
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LLVMModuleRef *OutMod, char **OutError);
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LLVMBool LLVMFindFunction(LLVMExecutionEngineRef EE, const char *Name,
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LLVMValueRef *OutFn);
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void *LLVMRecompileAndRelinkFunction(LLVMExecutionEngineRef EE,
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LLVMValueRef Fn);
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LLVMTargetDataRef LLVMGetExecutionEngineTargetData(LLVMExecutionEngineRef EE);
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LLVMTargetMachineRef
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LLVMGetExecutionEngineTargetMachine(LLVMExecutionEngineRef EE);
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void LLVMAddGlobalMapping(LLVMExecutionEngineRef EE, LLVMValueRef Global,
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void* Addr);
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void *LLVMGetPointerToGlobal(LLVMExecutionEngineRef EE, LLVMValueRef Global);
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/*===-- Operations on memory managers -------------------------------------===*/
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typedef uint8_t *(*LLVMMemoryManagerAllocateCodeSectionCallback)(
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void *Opaque, uintptr_t Size, unsigned Alignment, unsigned SectionID,
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const char *SectionName);
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typedef uint8_t *(*LLVMMemoryManagerAllocateDataSectionCallback)(
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void *Opaque, uintptr_t Size, unsigned Alignment, unsigned SectionID,
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const char *SectionName, LLVMBool IsReadOnly);
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typedef LLVMBool (*LLVMMemoryManagerFinalizeMemoryCallback)(
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void *Opaque, char **ErrMsg);
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typedef void (*LLVMMemoryManagerDestroyCallback)(void *Opaque);
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/**
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* Create a simple custom MCJIT memory manager. This memory manager can
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* intercept allocations in a module-oblivious way. This will return NULL
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* if any of the passed functions are NULL.
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*
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* @param Opaque An opaque client object to pass back to the callbacks.
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* @param AllocateCodeSection Allocate a block of memory for executable code.
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* @param AllocateDataSection Allocate a block of memory for data.
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* @param FinalizeMemory Set page permissions and flush cache. Return 0 on
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* success, 1 on error.
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*/
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LLVMMCJITMemoryManagerRef LLVMCreateSimpleMCJITMemoryManager(
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void *Opaque,
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LLVMMemoryManagerAllocateCodeSectionCallback AllocateCodeSection,
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LLVMMemoryManagerAllocateDataSectionCallback AllocateDataSection,
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LLVMMemoryManagerFinalizeMemoryCallback FinalizeMemory,
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LLVMMemoryManagerDestroyCallback Destroy);
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void LLVMDisposeMCJITMemoryManager(LLVMMCJITMemoryManagerRef MM);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif /* defined(__cplusplus) */
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#endif
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