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 /*===---------------- llvm-c/Orc.h - OrcV2 C bindings -----------*- C++ -*-===*\
 |*                                                                            *|
 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
 |* Exceptions.                                                                *|
 |* See https://llvm.org/LICENSE.txt for license information.                  *|
 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
 |*                                                                            *|
 |*===----------------------------------------------------------------------===*|
 |*                                                                            *|
 |* This header declares the C interface to libLLVMOrcJIT.a, which implements  *|
 |* JIT compilation of LLVM IR. Minimal documentation of C API specific issues *|
 |* (especially memory ownership rules) is provided. Core Orc concepts are     *|
 |* documented in llvm/docs/ORCv2.rst and APIs are documented in the C++       *|
 |* headers                                                                    *|
 |*                                                                            *|
 |* Many exotic languages can interoperate with C code but have a harder time  *|
 |* with C++ due to name mangling. So in addition to C, this interface enables *|
 |* tools written in such languages.                                           *|
 |*                                                                            *|
 |* Note: This interface is experimental. It is *NOT* stable, and may be       *|
 |*       changed without warning. Only C API usage documentation is           *|
 |*       provided. See the C++ documentation for all higher level ORC API     *|
 |*       details.                                                             *|
 |*                                                                            *|
 \*===----------------------------------------------------------------------===*/
 
 #ifndef LLVM_C_ORC_H
 #define LLVM_C_ORC_H
 
 #include "llvm-c/Error.h"
 #include "llvm-c/TargetMachine.h"
 #include "llvm-c/Types.h"
 
 LLVM_C_EXTERN_C_BEGIN
 
 /**
  * @defgroup LLVMCExecutionEngineORC On-Request-Compilation
  * @ingroup LLVMCExecutionEngine
  *
  * @{
  */
 
 /**
  * Represents an address in the executor process.
  */
 typedef uint64_t LLVMOrcJITTargetAddress;
 
 /**
  * Represents an address in the executor process.
  */
 typedef uint64_t LLVMOrcExecutorAddress;
 
 /**
  * Represents generic linkage flags for a symbol definition.
  */
 typedef enum {
   LLVMJITSymbolGenericFlagsNone = 0,
   LLVMJITSymbolGenericFlagsExported = 1U << 0,
   LLVMJITSymbolGenericFlagsWeak = 1U << 1,
   LLVMJITSymbolGenericFlagsCallable = 1U << 2,
   LLVMJITSymbolGenericFlagsMaterializationSideEffectsOnly = 1U << 3
 } LLVMJITSymbolGenericFlags;
 
 /**
  * Represents target specific flags for a symbol definition.
  */
 typedef uint8_t LLVMJITSymbolTargetFlags;
 
 /**
  * Represents the linkage flags for a symbol definition.
  */
 typedef struct {
   uint8_t GenericFlags;
   uint8_t TargetFlags;
 } LLVMJITSymbolFlags;
 
 /**
  * Represents an evaluated symbol address and flags.
  */
 typedef struct {
   LLVMOrcExecutorAddress Address;
   LLVMJITSymbolFlags Flags;
 } LLVMJITEvaluatedSymbol;
 
 /**
  * A reference to an orc::ExecutionSession instance.
  */
 typedef struct LLVMOrcOpaqueExecutionSession *LLVMOrcExecutionSessionRef;
 
 /**
  * Error reporter function.
  */
 typedef void (*LLVMOrcErrorReporterFunction)(void *Ctx, LLVMErrorRef Err);
 
 /**
  * A reference to an orc::SymbolStringPool.
  */
 typedef struct LLVMOrcOpaqueSymbolStringPool *LLVMOrcSymbolStringPoolRef;
 
 /**
  * A reference to an orc::SymbolStringPool table entry.
  */
 typedef struct LLVMOrcOpaqueSymbolStringPoolEntry
     *LLVMOrcSymbolStringPoolEntryRef;
 
 /**
  * Represents a pair of a symbol name and LLVMJITSymbolFlags.
  */
 typedef struct {
   LLVMOrcSymbolStringPoolEntryRef Name;
   LLVMJITSymbolFlags Flags;
 } LLVMOrcCSymbolFlagsMapPair;
 
 /**
  * Represents a list of (SymbolStringPtr, JITSymbolFlags) pairs that can be used
  * to construct a SymbolFlagsMap.
  */
 typedef LLVMOrcCSymbolFlagsMapPair *LLVMOrcCSymbolFlagsMapPairs;
 
 /**
  * Represents a pair of a symbol name and an evaluated symbol.
  */
 typedef struct {
   LLVMOrcSymbolStringPoolEntryRef Name;
   LLVMJITEvaluatedSymbol Sym;
 } LLVMOrcCSymbolMapPair;
 
 /**
  * Represents a list of (SymbolStringPtr, JITEvaluatedSymbol) pairs that can be
  * used to construct a SymbolMap.
  */
 typedef LLVMOrcCSymbolMapPair *LLVMOrcCSymbolMapPairs;
 
 /**
  * Represents a SymbolAliasMapEntry
  */
 typedef struct {
   LLVMOrcSymbolStringPoolEntryRef Name;
   LLVMJITSymbolFlags Flags;
 } LLVMOrcCSymbolAliasMapEntry;
 
 /**
  * Represents a pair of a symbol name and SymbolAliasMapEntry.
  */
 typedef struct {
   LLVMOrcSymbolStringPoolEntryRef Name;
   LLVMOrcCSymbolAliasMapEntry Entry;
 } LLVMOrcCSymbolAliasMapPair;
 
 /**
  * Represents a list of (SymbolStringPtr, (SymbolStringPtr, JITSymbolFlags))
  * pairs that can be used to construct a SymbolFlagsMap.
  */
 typedef LLVMOrcCSymbolAliasMapPair *LLVMOrcCSymbolAliasMapPairs;
 
 /**
  * A reference to an orc::JITDylib instance.
  */
 typedef struct LLVMOrcOpaqueJITDylib *LLVMOrcJITDylibRef;
 
 /**
  * Represents a list of LLVMOrcSymbolStringPoolEntryRef and the associated
  * length.
  */
 typedef struct {
   LLVMOrcSymbolStringPoolEntryRef *Symbols;
   size_t Length;
 } LLVMOrcCSymbolsList;
 
 /**
  * Represents a pair of a JITDylib and LLVMOrcCSymbolsList.
  */
 typedef struct {
   LLVMOrcJITDylibRef JD;
   LLVMOrcCSymbolsList Names;
 } LLVMOrcCDependenceMapPair;
 
 /**
  * Represents a list of (JITDylibRef, (LLVMOrcSymbolStringPoolEntryRef*,
  * size_t)) pairs that can be used to construct a SymbolDependenceMap.
  */
 typedef LLVMOrcCDependenceMapPair *LLVMOrcCDependenceMapPairs;
 
 /**
  * A set of symbols that share dependencies.
  */
 typedef struct {
   LLVMOrcCSymbolsList Symbols;
   LLVMOrcCDependenceMapPairs Dependencies;
   size_t NumDependencies;
 } LLVMOrcCSymbolDependenceGroup;
 
 /**
  * Lookup kind. This can be used by definition generators when deciding whether
  * to produce a definition for a requested symbol.
  *
  * This enum should be kept in sync with llvm::orc::LookupKind.
  */
 typedef enum {
   LLVMOrcLookupKindStatic,
   LLVMOrcLookupKindDLSym
 } LLVMOrcLookupKind;
 
 /**
  * JITDylib lookup flags. This can be used by definition generators when
  * deciding whether to produce a definition for a requested symbol.
  *
  * This enum should be kept in sync with llvm::orc::JITDylibLookupFlags.
  */
 typedef enum {
   LLVMOrcJITDylibLookupFlagsMatchExportedSymbolsOnly,
   LLVMOrcJITDylibLookupFlagsMatchAllSymbols
 } LLVMOrcJITDylibLookupFlags;
 
 /**
  * An element type for a JITDylib search order.
  */
 typedef struct {
   LLVMOrcJITDylibRef JD;
   LLVMOrcJITDylibLookupFlags JDLookupFlags;
 } LLVMOrcCJITDylibSearchOrderElement;
 
 /**
  * A JITDylib search order.
  *
  * The list is terminated with an element containing a null pointer for the JD
  * field.
  */
 typedef LLVMOrcCJITDylibSearchOrderElement *LLVMOrcCJITDylibSearchOrder;
 
 /**
  * Symbol lookup flags for lookup sets. This should be kept in sync with
  * llvm::orc::SymbolLookupFlags.
  */
 typedef enum {
   LLVMOrcSymbolLookupFlagsRequiredSymbol,
   LLVMOrcSymbolLookupFlagsWeaklyReferencedSymbol
 } LLVMOrcSymbolLookupFlags;
 
 /**
  * An element type for a symbol lookup set.
  */
 typedef struct {
   LLVMOrcSymbolStringPoolEntryRef Name;
   LLVMOrcSymbolLookupFlags LookupFlags;
 } LLVMOrcCLookupSetElement;
 
 /**
  * A set of symbols to look up / generate.
  *
  * The list is terminated with an element containing a null pointer for the
  * Name field.
  *
  * If a client creates an instance of this type then they are responsible for
  * freeing it, and for ensuring that all strings have been retained over the
  * course of its life. Clients receiving a copy from a callback are not
  * responsible for managing lifetime or retain counts.
  */
 typedef LLVMOrcCLookupSetElement *LLVMOrcCLookupSet;
 
 /**
  * A reference to a uniquely owned orc::MaterializationUnit instance.
  */
 typedef struct LLVMOrcOpaqueMaterializationUnit *LLVMOrcMaterializationUnitRef;
 
 /**
  * A reference to a uniquely owned orc::MaterializationResponsibility instance.
  *
  * Ownership must be passed to a lower-level layer in a JIT stack.
  */
 typedef struct LLVMOrcOpaqueMaterializationResponsibility
     *LLVMOrcMaterializationResponsibilityRef;
 
 /**
  * A MaterializationUnit materialize callback.
  *
  * Ownership of the Ctx and MR arguments passes to the callback which must
  * adhere to the LLVMOrcMaterializationResponsibilityRef contract (see comment
  * for that type).
  *
  * If this callback is called then the LLVMOrcMaterializationUnitDestroy
  * callback will NOT be called.
  */
 typedef void (*LLVMOrcMaterializationUnitMaterializeFunction)(
     void *Ctx, LLVMOrcMaterializationResponsibilityRef MR);
 
 /**
  * A MaterializationUnit discard callback.
  *
  * Ownership of JD and Symbol remain with the caller: These arguments should
  * not be disposed of or released.
  */
 typedef void (*LLVMOrcMaterializationUnitDiscardFunction)(
     void *Ctx, LLVMOrcJITDylibRef JD, LLVMOrcSymbolStringPoolEntryRef Symbol);
 
 /**
  * A MaterializationUnit destruction callback.
  *
  * If a custom MaterializationUnit is destroyed before its Materialize
  * function is called then this function will be called to provide an
  * opportunity for the underlying program representation to be destroyed.
  */
 typedef void (*LLVMOrcMaterializationUnitDestroyFunction)(void *Ctx);
 
 /**
  * A reference to an orc::ResourceTracker instance.
  */
 typedef struct LLVMOrcOpaqueResourceTracker *LLVMOrcResourceTrackerRef;
 
 /**
  * A reference to an orc::DefinitionGenerator.
  */
 typedef struct LLVMOrcOpaqueDefinitionGenerator
     *LLVMOrcDefinitionGeneratorRef;
 
 /**
  * An opaque lookup state object. Instances of this type can be captured to
  * suspend a lookup while a custom generator function attempts to produce a
  * definition.
  *
  * If a client captures a lookup state object then they must eventually call
  * LLVMOrcLookupStateContinueLookup to restart the lookup. This is required
  * in order to release memory allocated for the lookup state, even if errors
  * have occurred while the lookup was suspended (if these errors have made the
  * lookup impossible to complete then it will issue its own error before
  * destruction).
  */
 typedef struct LLVMOrcOpaqueLookupState *LLVMOrcLookupStateRef;
 
 /**
  * A custom generator function. This can be used to create a custom generator
  * object using LLVMOrcCreateCustomCAPIDefinitionGenerator. The resulting
  * object can be attached to a JITDylib, via LLVMOrcJITDylibAddGenerator, to
  * receive callbacks when lookups fail to match existing definitions.
  *
  * GeneratorObj will contain the address of the custom generator object.
  *
  * Ctx will contain the context object passed to
  * LLVMOrcCreateCustomCAPIDefinitionGenerator.
  *
  * LookupState will contain a pointer to an LLVMOrcLookupStateRef object. This
  * can optionally be modified to make the definition generation process
  * asynchronous: If the LookupStateRef value is copied, and the original
  * LLVMOrcLookupStateRef set to null, the lookup will be suspended. Once the
  * asynchronous definition process has been completed clients must call
  * LLVMOrcLookupStateContinueLookup to continue the lookup (this should be
  * done unconditionally, even if errors have occurred in the mean time, to
  * free the lookup state memory and notify the query object of the failures).
  * If LookupState is captured this function must return LLVMErrorSuccess.
  *
  * The Kind argument can be inspected to determine the lookup kind (e.g.
  * as-if-during-static-link, or as-if-during-dlsym).
  *
  * The JD argument specifies which JITDylib the definitions should be generated
  * into.
  *
  * The JDLookupFlags argument can be inspected to determine whether the original
  * lookup included non-exported symbols.
  *
  * Finally, the LookupSet argument contains the set of symbols that could not
  * be found in JD already (the set of generation candidates).
  */
 typedef LLVMErrorRef (*LLVMOrcCAPIDefinitionGeneratorTryToGenerateFunction)(
     LLVMOrcDefinitionGeneratorRef GeneratorObj, void *Ctx,
     LLVMOrcLookupStateRef *LookupState, LLVMOrcLookupKind Kind,
     LLVMOrcJITDylibRef JD, LLVMOrcJITDylibLookupFlags JDLookupFlags,
     LLVMOrcCLookupSet LookupSet, size_t LookupSetSize);
 
 /**
  * Disposer for a custom generator.
  *
  * Will be called by ORC when the JITDylib that the generator is attached to
  * is destroyed.
  */
 typedef void (*LLVMOrcDisposeCAPIDefinitionGeneratorFunction)(void *Ctx);
 
 /**
  * Predicate function for SymbolStringPoolEntries.
  */
 typedef int (*LLVMOrcSymbolPredicate)(void *Ctx,
                                       LLVMOrcSymbolStringPoolEntryRef Sym);
 
 /**
  * A reference to an orc::ThreadSafeContext instance.
  */
 typedef struct LLVMOrcOpaqueThreadSafeContext *LLVMOrcThreadSafeContextRef;
 
 /**
  * A reference to an orc::ThreadSafeModule instance.
  */
 typedef struct LLVMOrcOpaqueThreadSafeModule *LLVMOrcThreadSafeModuleRef;
 
 /**
  * A function for inspecting/mutating IR modules, suitable for use with
  * LLVMOrcThreadSafeModuleWithModuleDo.
  */
 typedef LLVMErrorRef (*LLVMOrcGenericIRModuleOperationFunction)(
     void *Ctx, LLVMModuleRef M);
 
 /**
  * A reference to an orc::JITTargetMachineBuilder instance.
  */
 typedef struct LLVMOrcOpaqueJITTargetMachineBuilder
     *LLVMOrcJITTargetMachineBuilderRef;
 
 /**
  * A reference to an orc::ObjectLayer instance.
  */
 typedef struct LLVMOrcOpaqueObjectLayer *LLVMOrcObjectLayerRef;
 
 /**
  * A reference to an orc::ObjectLinkingLayer instance.
  */
 typedef struct LLVMOrcOpaqueObjectLinkingLayer *LLVMOrcObjectLinkingLayerRef;
 
 /**
  * A reference to an orc::IRTransformLayer instance.
  */
 typedef struct LLVMOrcOpaqueIRTransformLayer *LLVMOrcIRTransformLayerRef;
 
 /**
  * A function for applying transformations as part of an transform layer.
  *
  * Implementations of this type are responsible for managing the lifetime
  * of the Module pointed to by ModInOut: If the LLVMModuleRef value is
  * overwritten then the function is responsible for disposing of the incoming
  * module. If the module is simply accessed/mutated in-place then ownership
  * returns to the caller and the function does not need to do any lifetime
  * management.
  *
  * Clients can call LLVMOrcLLJITGetIRTransformLayer to obtain the transform
  * layer of a LLJIT instance, and use LLVMOrcIRTransformLayerSetTransform
  * to set the function. This can be used to override the default transform
  * layer.
  */
 typedef LLVMErrorRef (*LLVMOrcIRTransformLayerTransformFunction)(
     void *Ctx, LLVMOrcThreadSafeModuleRef *ModInOut,
     LLVMOrcMaterializationResponsibilityRef MR);
 
 /**
  * A reference to an orc::ObjectTransformLayer instance.
  */
 typedef struct LLVMOrcOpaqueObjectTransformLayer
     *LLVMOrcObjectTransformLayerRef;
 
 /**
  * A function for applying transformations to an object file buffer.
  *
  * Implementations of this type are responsible for managing the lifetime
  * of the memory buffer pointed to by ObjInOut: If the LLVMMemoryBufferRef
  * value is overwritten then the function is responsible for disposing of the
  * incoming buffer. If the buffer is simply accessed/mutated in-place then
  * ownership returns to the caller and the function does not need to do any
  * lifetime management.
  *
  * The transform is allowed to return an error, in which case the ObjInOut
  * buffer should be disposed of and set to null.
  */
 typedef LLVMErrorRef (*LLVMOrcObjectTransformLayerTransformFunction)(
     void *Ctx, LLVMMemoryBufferRef *ObjInOut);
 
 /**
  * A reference to an orc::IndirectStubsManager instance.
  */
 typedef struct LLVMOrcOpaqueIndirectStubsManager
     *LLVMOrcIndirectStubsManagerRef;
 
 /**
  * A reference to an orc::LazyCallThroughManager instance.
  */
 typedef struct LLVMOrcOpaqueLazyCallThroughManager
     *LLVMOrcLazyCallThroughManagerRef;
 
 /**
  * A reference to an orc::DumpObjects object.
  *
  * Can be used to dump object files to disk with unique names. Useful as an
  * ObjectTransformLayer transform.
  */
 typedef struct LLVMOrcOpaqueDumpObjects *LLVMOrcDumpObjectsRef;
 
 /**
  * Attach a custom error reporter function to the ExecutionSession.
  *
  * The error reporter will be called to deliver failure notices that can not be
  * directly reported to a caller. For example, failure to resolve symbols in
  * the JIT linker is typically reported via the error reporter (callers
  * requesting definitions from the JIT will typically be delivered a
  * FailureToMaterialize error instead).
  */
 void LLVMOrcExecutionSessionSetErrorReporter(
     LLVMOrcExecutionSessionRef ES, LLVMOrcErrorReporterFunction ReportError,
     void *Ctx);
 
 /**
  * Return a reference to the SymbolStringPool for an ExecutionSession.
  *
  * Ownership of the pool remains with the ExecutionSession: The caller is
  * not required to free the pool.
  */
 LLVMOrcSymbolStringPoolRef
 LLVMOrcExecutionSessionGetSymbolStringPool(LLVMOrcExecutionSessionRef ES);
 
 /**
  * Clear all unreferenced symbol string pool entries.
  *
  * This can be called at any time to release unused entries in the
  * ExecutionSession's string pool. Since it locks the pool (preventing
  * interning of any new strings) it is recommended that it only be called
  * infrequently, ideally when the caller has reason to believe that some
  * entries will have become unreferenced, e.g. after removing a module or
  * closing a JITDylib.
  */
 void LLVMOrcSymbolStringPoolClearDeadEntries(LLVMOrcSymbolStringPoolRef SSP);
 
 /**
  * Intern a string in the ExecutionSession's SymbolStringPool and return a
  * reference to it. This increments the ref-count of the pool entry, and the
  * returned value should be released once the client is done with it by
  * calling LLVMOrcReleaseSymbolStringPoolEntry.
  *
  * Since strings are uniqued within the SymbolStringPool
  * LLVMOrcSymbolStringPoolEntryRefs can be compared by value to test string
  * equality.
  *
  * Note that this function does not perform linker-mangling on the string.
  */
 LLVMOrcSymbolStringPoolEntryRef
 LLVMOrcExecutionSessionIntern(LLVMOrcExecutionSessionRef ES, const char *Name);
 
 /**
  * Callback type for ExecutionSession lookups.
  *
  * If Err is LLVMErrorSuccess then Result will contain a pointer to a
  * list of ( SymbolStringPtr, JITEvaluatedSymbol ) pairs of length NumPairs.
  *
  * If Err is a failure value then Result and Ctx are undefined and should
  * not be accessed. The Callback is responsible for handling the error
  * value (e.g. by calling LLVMGetErrorMessage + LLVMDisposeErrorMessage).
  *
  * The caller retains ownership of the Result array and will release all
  * contained symbol names. Clients are responsible for retaining any symbol
  * names that they wish to hold after the function returns.
  */
 typedef void (*LLVMOrcExecutionSessionLookupHandleResultFunction)(
     LLVMErrorRef Err, LLVMOrcCSymbolMapPairs Result, size_t NumPairs,
     void *Ctx);
 
 /**
  * Look up symbols in an execution session.
  *
  * This is a wrapper around the general ExecutionSession::lookup function.
  *
  * The SearchOrder argument contains a list of (JITDylibs, JITDylibSearchFlags)
  * pairs that describe the search order. The JITDylibs will be searched in the
  * given order to try to find the symbols in the Symbols argument.
  *
  * The Symbols argument should contain a null-terminated array of
  * (SymbolStringPtr, SymbolLookupFlags) pairs describing the symbols to be
  * searched for. This function takes ownership of the elements of the Symbols
  * array. The Name fields of the Symbols elements are taken to have been
  * retained by the client for this function. The client should *not* release the
  * Name fields, but are still responsible for destroying the array itself.
  *
  * The HandleResult function will be called once all searched for symbols have
  * been found, or an error occurs. The HandleResult function will be passed an
  * LLVMErrorRef indicating success or failure, and (on success) a
  * null-terminated LLVMOrcCSymbolMapPairs array containing the function result,
  * and the Ctx value passed to the lookup function.
  *
  * The client is fully responsible for managing the lifetime of the Ctx object.
  * A common idiom is to allocate the context prior to the lookup and deallocate
  * it in the handler.
  *
  * THIS API IS EXPERIMENTAL AND LIKELY TO CHANGE IN THE NEAR FUTURE!
  */
 void LLVMOrcExecutionSessionLookup(
     LLVMOrcExecutionSessionRef ES, LLVMOrcLookupKind K,
     LLVMOrcCJITDylibSearchOrder SearchOrder, size_t SearchOrderSize,
     LLVMOrcCLookupSet Symbols, size_t SymbolsSize,
     LLVMOrcExecutionSessionLookupHandleResultFunction HandleResult, void *Ctx);
 
 /**
  * Increments the ref-count for a SymbolStringPool entry.
  */
 void LLVMOrcRetainSymbolStringPoolEntry(LLVMOrcSymbolStringPoolEntryRef S);
 
 /**
  * Reduces the ref-count for of a SymbolStringPool entry.
  */
 void LLVMOrcReleaseSymbolStringPoolEntry(LLVMOrcSymbolStringPoolEntryRef S);
 
 /**
  * Return the c-string for the given symbol. This string will remain valid until
  * the entry is freed (once all LLVMOrcSymbolStringPoolEntryRefs have been
  * released).
  */
 const char *LLVMOrcSymbolStringPoolEntryStr(LLVMOrcSymbolStringPoolEntryRef S);
 
 /**
  * Reduces the ref-count of a ResourceTracker.
  */
 void LLVMOrcReleaseResourceTracker(LLVMOrcResourceTrackerRef RT);
 
 /**
  * Transfers tracking of all resources associated with resource tracker SrcRT
  * to resource tracker DstRT.
  */
 void LLVMOrcResourceTrackerTransferTo(LLVMOrcResourceTrackerRef SrcRT,
                                       LLVMOrcResourceTrackerRef DstRT);
 
 /**
  * Remove all resources associated with the given tracker. See
  * ResourceTracker::remove().
  */
 LLVMErrorRef LLVMOrcResourceTrackerRemove(LLVMOrcResourceTrackerRef RT);
 
 /**
  * Dispose of a JITDylib::DefinitionGenerator. This should only be called if
  * ownership has not been passed to a JITDylib (e.g. because some error
  * prevented the client from calling LLVMOrcJITDylibAddGenerator).
  */
 void LLVMOrcDisposeDefinitionGenerator(LLVMOrcDefinitionGeneratorRef DG);
 
 /**
  * Dispose of a MaterializationUnit.
  */
 void LLVMOrcDisposeMaterializationUnit(LLVMOrcMaterializationUnitRef MU);
 
 /**
  * Create a custom MaterializationUnit.
  *
  * Name is a name for this MaterializationUnit to be used for identification
  * and logging purposes (e.g. if this MaterializationUnit produces an
  * object buffer then the name of that buffer will be derived from this name).
  *
  * The Syms list contains the names and linkages of the symbols provided by this
  * unit. This function takes ownership of the elements of the Syms array. The
  * Name fields of the array elements are taken to have been retained for this
  * function. The client should *not* release the elements of the array, but is
  * still responsible for destroying the array itself.
  *
  * The InitSym argument indicates whether or not this MaterializationUnit
  * contains static initializers. If three are no static initializers (the common
  * case) then this argument should be null. If there are static initializers
  * then InitSym should be set to a unique name that also appears in the Syms
  * list with the LLVMJITSymbolGenericFlagsMaterializationSideEffectsOnly flag
  * set. This function takes ownership of the InitSym, which should have been
  * retained twice on behalf of this function: once for the Syms entry and once
  * for InitSym. If clients wish to use the InitSym value after this function
  * returns they must retain it once more for themselves.
  *
  * If any of the symbols in the Syms list is looked up then the Materialize
  * function will be called.
  *
  * If any of the symbols in the Syms list is overridden then the Discard
  * function will be called.
  *
  * The caller owns the underling MaterializationUnit and is responsible for
  * either passing it to a JITDylib (via LLVMOrcJITDylibDefine) or disposing
  * of it by calling LLVMOrcDisposeMaterializationUnit.
  */
 LLVMOrcMaterializationUnitRef LLVMOrcCreateCustomMaterializationUnit(
     const char *Name, void *Ctx, LLVMOrcCSymbolFlagsMapPairs Syms,
     size_t NumSyms, LLVMOrcSymbolStringPoolEntryRef InitSym,
     LLVMOrcMaterializationUnitMaterializeFunction Materialize,
     LLVMOrcMaterializationUnitDiscardFunction Discard,
     LLVMOrcMaterializationUnitDestroyFunction Destroy);
 
 /**
  * Create a MaterializationUnit to define the given symbols as pointing to
  * the corresponding raw addresses.
  *
  * This function takes ownership of the elements of the Syms array. The Name
  * fields of the array elements are taken to have been retained for this
  * function. This allows the following pattern...
  *
  *   size_t NumPairs;
  *   LLVMOrcCSymbolMapPairs Sym;
  *   -- Build Syms array --
  *   LLVMOrcMaterializationUnitRef MU =
  *       LLVMOrcAbsoluteSymbols(Syms, NumPairs);
  *
  * ... without requiring cleanup of the elements of the Sym array afterwards.
  *
  * The client is still responsible for deleting the Sym array itself.
  *
  * If a client wishes to reuse elements of the Sym array after this call they
  * must explicitly retain each of the elements for themselves.
  */
 LLVMOrcMaterializationUnitRef
 LLVMOrcAbsoluteSymbols(LLVMOrcCSymbolMapPairs Syms, size_t NumPairs);
 
 /**
  * Create a MaterializationUnit to define lazy re-expots. These are callable
  * entry points that call through to the given symbols.
  *
  * This function takes ownership of the CallableAliases array. The Name
  * fields of the array elements are taken to have been retained for this
  * function. This allows the following pattern...
  *
  *   size_t NumPairs;
  *   LLVMOrcCSymbolAliasMapPairs CallableAliases;
  *   -- Build CallableAliases array --
  *   LLVMOrcMaterializationUnitRef MU =
  *      LLVMOrcLazyReexports(LCTM, ISM, JD, CallableAliases, NumPairs);
  *
  * ... without requiring cleanup of the elements of the CallableAliases array afterwards.
  *
  * The client is still responsible for deleting the CallableAliases array itself.
  *
  * If a client wishes to reuse elements of the CallableAliases array after this call they
  * must explicitly retain each of the elements for themselves.
  */
 LLVMOrcMaterializationUnitRef LLVMOrcLazyReexports(
     LLVMOrcLazyCallThroughManagerRef LCTM, LLVMOrcIndirectStubsManagerRef ISM,
     LLVMOrcJITDylibRef SourceRef, LLVMOrcCSymbolAliasMapPairs CallableAliases,
     size_t NumPairs);
 // TODO: ImplSymbolMad SrcJDLoc
 
 /**
  * Disposes of the passed MaterializationResponsibility object.
  *
  * This should only be done after the symbols covered by the object have either
  * been resolved and emitted (via
  * LLVMOrcMaterializationResponsibilityNotifyResolved and
  * LLVMOrcMaterializationResponsibilityNotifyEmitted) or failed (via
  * LLVMOrcMaterializationResponsibilityFailMaterialization).
  */
 void LLVMOrcDisposeMaterializationResponsibility(
     LLVMOrcMaterializationResponsibilityRef MR);
 
 /**
  * Returns the target JITDylib that these symbols are being materialized into.
  */
 LLVMOrcJITDylibRef LLVMOrcMaterializationResponsibilityGetTargetDylib(
     LLVMOrcMaterializationResponsibilityRef MR);
 
 /**
  * Returns the ExecutionSession for this MaterializationResponsibility.
  */
 LLVMOrcExecutionSessionRef
 LLVMOrcMaterializationResponsibilityGetExecutionSession(
     LLVMOrcMaterializationResponsibilityRef MR);
 
 /**
  * Returns the symbol flags map for this responsibility instance.
  *
  * The length of the array is returned in NumPairs and the caller is responsible
  * for the returned memory and needs to call LLVMOrcDisposeCSymbolFlagsMap.
  *
  * To use the returned symbols beyond the livetime of the
  * MaterializationResponsibility requires the caller to retain the symbols
  * explicitly.
  */
 LLVMOrcCSymbolFlagsMapPairs LLVMOrcMaterializationResponsibilityGetSymbols(
     LLVMOrcMaterializationResponsibilityRef MR, size_t *NumPairs);
 
 /**
  * Disposes of the passed LLVMOrcCSymbolFlagsMap.
  *
  * Does not release the entries themselves.
  */
 void LLVMOrcDisposeCSymbolFlagsMap(LLVMOrcCSymbolFlagsMapPairs Pairs);
 
 /**
  * Returns the initialization pseudo-symbol, if any. This symbol will also
  * be present in the SymbolFlagsMap for this MaterializationResponsibility
  * object.
  *
  * The returned symbol is not retained over any mutating operation of the
  * MaterializationResponsbility or beyond the lifetime thereof.
  */
 LLVMOrcSymbolStringPoolEntryRef
 LLVMOrcMaterializationResponsibilityGetInitializerSymbol(
     LLVMOrcMaterializationResponsibilityRef MR);
 
 /**
  * Returns the names of any symbols covered by this
  * MaterializationResponsibility object that have queries pending. This
  * information can be used to return responsibility for unrequested symbols
  * back to the JITDylib via the delegate method.
  */
 LLVMOrcSymbolStringPoolEntryRef *
 LLVMOrcMaterializationResponsibilityGetRequestedSymbols(
     LLVMOrcMaterializationResponsibilityRef MR, size_t *NumSymbols);
 
 /**
  * Disposes of the passed LLVMOrcSymbolStringPoolEntryRef* .
  *
  * Does not release the symbols themselves.
  */
 void LLVMOrcDisposeSymbols(LLVMOrcSymbolStringPoolEntryRef *Symbols);
 
 /**
  * Notifies the target JITDylib that the given symbols have been resolved.
  * This will update the given symbols' addresses in the JITDylib, and notify
  * any pending queries on the given symbols of their resolution. The given
  * symbols must be ones covered by this MaterializationResponsibility
  * instance. Individual calls to this method may resolve a subset of the
  * symbols, but all symbols must have been resolved prior to calling emit.
  *
  * This method will return an error if any symbols being resolved have been
  * moved to the error state due to the failure of a dependency. If this
  * method returns an error then clients should log it and call
  * LLVMOrcMaterializationResponsibilityFailMaterialization. If no dependencies
  * have been registered for the symbols covered by this
  * MaterializationResponsibility then this method is guaranteed to return
  * LLVMErrorSuccess.
  */
 LLVMErrorRef LLVMOrcMaterializationResponsibilityNotifyResolved(
     LLVMOrcMaterializationResponsibilityRef MR, LLVMOrcCSymbolMapPairs Symbols,
     size_t NumPairs);
 
 /**
  * Notifies the target JITDylib (and any pending queries on that JITDylib)
  * that all symbols covered by this MaterializationResponsibility instance
  * have been emitted.
  *
  * This function takes ownership of the symbols in the Dependencies struct.
  * This allows the following pattern...
  *
  *   LLVMOrcSymbolStringPoolEntryRef Names[] = {...};
  *   LLVMOrcCDependenceMapPair Dependence = {JD, {Names, sizeof(Names)}}
  *   LLVMOrcMaterializationResponsibilityAddDependencies(JD, Name, &Dependence,
  * 1);
  *
  * ... without requiring cleanup of the elements of the Names array afterwards.
  *
  * The client is still responsible for deleting the Dependencies.Names arrays,
  * and the Dependencies array itself.
  *
  * This method will return an error if any symbols being resolved have been
  * moved to the error state due to the failure of a dependency. If this
  * method returns an error then clients should log it and call
  * LLVMOrcMaterializationResponsibilityFailMaterialization.
  * If no dependencies have been registered for the symbols covered by this
  * MaterializationResponsibility then this method is guaranteed to return
  * LLVMErrorSuccess.
  */
 LLVMErrorRef LLVMOrcMaterializationResponsibilityNotifyEmitted(
     LLVMOrcMaterializationResponsibilityRef MR,
     LLVMOrcCSymbolDependenceGroup *SymbolDepGroups, size_t NumSymbolDepGroups);
 
 /**
  * Attempt to claim responsibility for new definitions. This method can be
  * used to claim responsibility for symbols that are added to a
  * materialization unit during the compilation process (e.g. literal pool
  * symbols). Symbol linkage rules are the same as for symbols that are
  * defined up front: duplicate strong definitions will result in errors.
  * Duplicate weak definitions will be discarded (in which case they will
  * not be added to this responsibility instance).
  *
  * This method can be used by materialization units that want to add
  * additional symbols at materialization time (e.g. stubs, compile
  * callbacks, metadata)
  */
 LLVMErrorRef LLVMOrcMaterializationResponsibilityDefineMaterializing(
     LLVMOrcMaterializationResponsibilityRef MR,
     LLVMOrcCSymbolFlagsMapPairs Pairs, size_t NumPairs);
 
 /**
  * Notify all not-yet-emitted covered by this MaterializationResponsibility
  * instance that an error has occurred.
  * This will remove all symbols covered by this MaterializationResponsibility
  * from the target JITDylib, and send an error to any queries waiting on
  * these symbols.
  */
 void LLVMOrcMaterializationResponsibilityFailMaterialization(
     LLVMOrcMaterializationResponsibilityRef MR);
 
 /**
  * Transfers responsibility to the given MaterializationUnit for all
  * symbols defined by that MaterializationUnit. This allows
  * materializers to break up work based on run-time information (e.g.
  * by introspecting which symbols have actually been looked up and
  * materializing only those).
  */
 LLVMErrorRef LLVMOrcMaterializationResponsibilityReplace(
     LLVMOrcMaterializationResponsibilityRef MR,
     LLVMOrcMaterializationUnitRef MU);
 
 /**
  * Delegates responsibility for the given symbols to the returned
  * materialization responsibility. Useful for breaking up work between
  * threads, or different kinds of materialization processes.
  *
  * The caller retains responsibility of the the passed
  * MaterializationResponsibility.
  */
 LLVMErrorRef LLVMOrcMaterializationResponsibilityDelegate(
     LLVMOrcMaterializationResponsibilityRef MR,
     LLVMOrcSymbolStringPoolEntryRef *Symbols, size_t NumSymbols,
     LLVMOrcMaterializationResponsibilityRef *Result);
 
 /**
  * Create a "bare" JITDylib.
  *
  * The client is responsible for ensuring that the JITDylib's name is unique,
  * e.g. by calling LLVMOrcExecutionSessionGetJTIDylibByName first.
  *
  * This call does not install any library code or symbols into the newly
  * created JITDylib. The client is responsible for all configuration.
  */
 LLVMOrcJITDylibRef
 LLVMOrcExecutionSessionCreateBareJITDylib(LLVMOrcExecutionSessionRef ES,
                                           const char *Name);
 
 /**
  * Create a JITDylib.
  *
  * The client is responsible for ensuring that the JITDylib's name is unique,
  * e.g. by calling LLVMOrcExecutionSessionGetJTIDylibByName first.
  *
  * If a Platform is attached to the ExecutionSession then
  * Platform::setupJITDylib will be called to install standard platform symbols
  * (e.g. standard library interposes). If no Platform is installed then this
  * call is equivalent to LLVMExecutionSessionRefCreateBareJITDylib and will
  * always return success.
  */
 LLVMErrorRef
 LLVMOrcExecutionSessionCreateJITDylib(LLVMOrcExecutionSessionRef ES,
                                       LLVMOrcJITDylibRef *Result,
                                       const char *Name);
 
 /**
  * Returns the JITDylib with the given name, or NULL if no such JITDylib
  * exists.
  */
 LLVMOrcJITDylibRef
 LLVMOrcExecutionSessionGetJITDylibByName(LLVMOrcExecutionSessionRef ES,
                                          const char *Name);
 
 /**
  * Return a reference to a newly created resource tracker associated with JD.
  * The tracker is returned with an initial ref-count of 1, and must be released
  * with LLVMOrcReleaseResourceTracker when no longer needed.
  */
 LLVMOrcResourceTrackerRef
 LLVMOrcJITDylibCreateResourceTracker(LLVMOrcJITDylibRef JD);
 
 /**
  * Return a reference to the default resource tracker for the given JITDylib.
  * This operation will increase the retain count of the tracker: Clients should
  * call LLVMOrcReleaseResourceTracker when the result is no longer needed.
  */
 LLVMOrcResourceTrackerRef
 LLVMOrcJITDylibGetDefaultResourceTracker(LLVMOrcJITDylibRef JD);
 
 /**
  * Add the given MaterializationUnit to the given JITDylib.
  *
  * If this operation succeeds then JITDylib JD will take ownership of MU.
  * If the operation fails then ownership remains with the caller who should
  * call LLVMOrcDisposeMaterializationUnit to destroy it.
  */
 LLVMErrorRef LLVMOrcJITDylibDefine(LLVMOrcJITDylibRef JD,
                                    LLVMOrcMaterializationUnitRef MU);
 
 /**
  * Calls remove on all trackers associated with this JITDylib, see
  * JITDylib::clear().
  */
 LLVMErrorRef LLVMOrcJITDylibClear(LLVMOrcJITDylibRef JD);
 
 /**
  * Add a DefinitionGenerator to the given JITDylib.
  *
  * The JITDylib will take ownership of the given generator: The client is no
  * longer responsible for managing its memory.
  */
 void LLVMOrcJITDylibAddGenerator(LLVMOrcJITDylibRef JD,
                                  LLVMOrcDefinitionGeneratorRef DG);
 
 /**
  * Create a custom generator.
  *
  * The F argument will be used to implement the DefinitionGenerator's
  * tryToGenerate method (see
  * LLVMOrcCAPIDefinitionGeneratorTryToGenerateFunction).
  *
  * Ctx is a context object that will be passed to F. This argument is
  * permitted to be null.
  *
  * Dispose is the disposal function for Ctx. This argument is permitted to be
  * null (in which case the client is responsible for the lifetime of Ctx).
  */
 LLVMOrcDefinitionGeneratorRef LLVMOrcCreateCustomCAPIDefinitionGenerator(
     LLVMOrcCAPIDefinitionGeneratorTryToGenerateFunction F, void *Ctx,
     LLVMOrcDisposeCAPIDefinitionGeneratorFunction Dispose);
 
 /**
  * Continue a lookup that was suspended in a generator (see
  * LLVMOrcCAPIDefinitionGeneratorTryToGenerateFunction).
  */
 void LLVMOrcLookupStateContinueLookup(LLVMOrcLookupStateRef S,
                                       LLVMErrorRef Err);
 
 /**
  * Get a DynamicLibrarySearchGenerator that will reflect process symbols into
  * the JITDylib. On success the resulting generator is owned by the client.
  * Ownership is typically transferred by adding the instance to a JITDylib
  * using LLVMOrcJITDylibAddGenerator,
  *
  * The GlobalPrefix argument specifies the character that appears on the front
  * of linker-mangled symbols for the target platform (e.g. '_' on MachO).
  * If non-null, this character will be stripped from the start of all symbol
  * strings before passing the remaining substring to dlsym.
  *
  * The optional Filter and Ctx arguments can be used to supply a symbol name
  * filter: Only symbols for which the filter returns true will be visible to
  * JIT'd code. If the Filter argument is null then all process symbols will
  * be visible to JIT'd code. Note that the symbol name passed to the Filter
  * function is the full mangled symbol: The client is responsible for stripping
  * the global prefix if present.
  */
 LLVMErrorRef LLVMOrcCreateDynamicLibrarySearchGeneratorForProcess(
     LLVMOrcDefinitionGeneratorRef *Result, char GlobalPrefx,
     LLVMOrcSymbolPredicate Filter, void *FilterCtx);
 
 /**
  * Get a LLVMOrcCreateDynamicLibararySearchGeneratorForPath that will reflect
  * library symbols into the JITDylib. On success the resulting generator is
  * owned by the client. Ownership is typically transferred by adding the
  * instance to a JITDylib using LLVMOrcJITDylibAddGenerator,
  *
  * The GlobalPrefix argument specifies the character that appears on the front
  * of linker-mangled symbols for the target platform (e.g. '_' on MachO).
  * If non-null, this character will be stripped from the start of all symbol
  * strings before passing the remaining substring to dlsym.
  *
  * The optional Filter and Ctx arguments can be used to supply a symbol name
  * filter: Only symbols for which the filter returns true will be visible to
  * JIT'd code. If the Filter argument is null then all library symbols will
  * be visible to JIT'd code. Note that the symbol name passed to the Filter
  * function is the full mangled symbol: The client is responsible for stripping
  * the global prefix if present.
  * 
  * THIS API IS EXPERIMENTAL AND LIKELY TO CHANGE IN THE NEAR FUTURE!
  * 
  */
 LLVMErrorRef LLVMOrcCreateDynamicLibrarySearchGeneratorForPath(
     LLVMOrcDefinitionGeneratorRef *Result, const char *FileName,
     char GlobalPrefix, LLVMOrcSymbolPredicate Filter, void *FilterCtx);
 
 /**
  * Get a LLVMOrcCreateStaticLibrarySearchGeneratorForPath that will reflect
  * static library symbols into the JITDylib. On success the resulting
  * generator is owned by the client. Ownership is typically transferred by
  * adding the instance to a JITDylib using LLVMOrcJITDylibAddGenerator,
  *
  * Call with the optional TargetTriple argument will succeed if the file at
  * the given path is a static library or a MachO universal binary containing a
  * static library that is compatible with the given triple. Otherwise it will
  * return an error.
  *
  * THIS API IS EXPERIMENTAL AND LIKELY TO CHANGE IN THE NEAR FUTURE!
  * 
  */
 LLVMErrorRef LLVMOrcCreateStaticLibrarySearchGeneratorForPath(
     LLVMOrcDefinitionGeneratorRef *Result, LLVMOrcObjectLayerRef ObjLayer,
     const char *FileName, const char *TargetTriple);
 
 /**
  * Create a ThreadSafeContext containing a new LLVMContext.
  *
  * Ownership of the underlying ThreadSafeContext data is shared: Clients
  * can and should dispose of their ThreadSafeContext as soon as they no longer
  * need to refer to it directly. Other references (e.g. from ThreadSafeModules)
  * will keep the data alive as long as it is needed.
  */
 LLVMOrcThreadSafeContextRef LLVMOrcCreateNewThreadSafeContext(void);
 
 /**
  * Get a reference to the wrapped LLVMContext.
  */
 LLVMContextRef
 LLVMOrcThreadSafeContextGetContext(LLVMOrcThreadSafeContextRef TSCtx);
 
 /**
  * Dispose of a ThreadSafeContext.
  */
 void LLVMOrcDisposeThreadSafeContext(LLVMOrcThreadSafeContextRef TSCtx);
 
 /**
  * Create a ThreadSafeModule wrapper around the given LLVM module. This takes
  * ownership of the M argument which should not be disposed of or referenced
  * after this function returns.
  *
  * Ownership of the ThreadSafeModule is unique: If it is transferred to the JIT
  * (e.g. by LLVMOrcLLJITAddLLVMIRModule) then the client is no longer
  * responsible for it. If it is not transferred to the JIT then the client
  * should call LLVMOrcDisposeThreadSafeModule to dispose of it.
  */
 LLVMOrcThreadSafeModuleRef
 LLVMOrcCreateNewThreadSafeModule(LLVMModuleRef M,
                                  LLVMOrcThreadSafeContextRef TSCtx);
 
 /**
  * Dispose of a ThreadSafeModule. This should only be called if ownership has
  * not been passed to LLJIT (e.g. because some error prevented the client from
  * adding this to the JIT).
  */
 void LLVMOrcDisposeThreadSafeModule(LLVMOrcThreadSafeModuleRef TSM);
 
 /**
  * Apply the given function to the module contained in this ThreadSafeModule.
  */
 LLVMErrorRef
 LLVMOrcThreadSafeModuleWithModuleDo(LLVMOrcThreadSafeModuleRef TSM,
                                     LLVMOrcGenericIRModuleOperationFunction F,
                                     void *Ctx);
 
 /**
  * Create a JITTargetMachineBuilder by detecting the host.
  *
  * On success the client owns the resulting JITTargetMachineBuilder. It must be
  * passed to a consuming operation (e.g.
  * LLVMOrcLLJITBuilderSetJITTargetMachineBuilder) or disposed of by calling
  * LLVMOrcDisposeJITTargetMachineBuilder.
  */
 LLVMErrorRef LLVMOrcJITTargetMachineBuilderDetectHost(
     LLVMOrcJITTargetMachineBuilderRef *Result);
 
 /**
  * Create a JITTargetMachineBuilder from the given TargetMachine template.
  *
  * This operation takes ownership of the given TargetMachine and destroys it
  * before returing. The resulting JITTargetMachineBuilder is owned by the client
  * and must be passed to a consuming operation (e.g.
  * LLVMOrcLLJITBuilderSetJITTargetMachineBuilder) or disposed of by calling
  * LLVMOrcDisposeJITTargetMachineBuilder.
  */
 LLVMOrcJITTargetMachineBuilderRef
 LLVMOrcJITTargetMachineBuilderCreateFromTargetMachine(LLVMTargetMachineRef TM);
 
 /**
  * Dispose of a JITTargetMachineBuilder.
  */
 void LLVMOrcDisposeJITTargetMachineBuilder(
     LLVMOrcJITTargetMachineBuilderRef JTMB);
 
 /**
  * Returns the target triple for the given JITTargetMachineBuilder as a string.
  *
  * The caller owns the resulting string as must dispose of it by calling
  * LLVMDisposeMessage
  */
 char *LLVMOrcJITTargetMachineBuilderGetTargetTriple(
     LLVMOrcJITTargetMachineBuilderRef JTMB);
 
 /**
  * Sets the target triple for the given JITTargetMachineBuilder to the given
  * string.
  */
 void LLVMOrcJITTargetMachineBuilderSetTargetTriple(
     LLVMOrcJITTargetMachineBuilderRef JTMB, const char *TargetTriple);
 
 /**
  * Add an object to an ObjectLayer to the given JITDylib.
  *
  * Adds a buffer representing an object file to the given JITDylib using the
  * given ObjectLayer instance. This operation transfers ownership of the buffer
  * to the ObjectLayer instance. The buffer should not be disposed of or
  * referenced once this function returns.
  *
  * Resources associated with the given object will be tracked by the given
  * JITDylib's default ResourceTracker.
  */
 LLVMErrorRef LLVMOrcObjectLayerAddObjectFile(LLVMOrcObjectLayerRef ObjLayer,
                                              LLVMOrcJITDylibRef JD,
                                              LLVMMemoryBufferRef ObjBuffer);
 
 /**
  * Add an object to an ObjectLayer using the given ResourceTracker.
  *
  * Adds a buffer representing an object file to the given ResourceTracker's
  * JITDylib using the given ObjectLayer instance. This operation transfers
  * ownership of the buffer to the ObjectLayer instance. The buffer should not
  * be disposed of or referenced once this function returns.
  *
  * Resources associated with the given object will be tracked by
  * ResourceTracker RT.
  */
 LLVMErrorRef
 LLVMOrcObjectLayerAddObjectFileWithRT(LLVMOrcObjectLayerRef ObjLayer,
                                       LLVMOrcResourceTrackerRef RT,
                                       LLVMMemoryBufferRef ObjBuffer);
 
 /**
  * Emit an object buffer to an ObjectLayer.
  *
  * Ownership of the responsibility object and object buffer pass to this
  * function. The client is not responsible for cleanup.
  */
 void LLVMOrcObjectLayerEmit(LLVMOrcObjectLayerRef ObjLayer,
                             LLVMOrcMaterializationResponsibilityRef R,
                             LLVMMemoryBufferRef ObjBuffer);
 
 /**
  * Dispose of an ObjectLayer.
  */
 void LLVMOrcDisposeObjectLayer(LLVMOrcObjectLayerRef ObjLayer);
 
 void LLVMOrcIRTransformLayerEmit(LLVMOrcIRTransformLayerRef IRTransformLayer,
                                  LLVMOrcMaterializationResponsibilityRef MR,
                                  LLVMOrcThreadSafeModuleRef TSM);
 
 /**
  * Set the transform function of the provided transform layer, passing through a
  * pointer to user provided context.
  */
 void LLVMOrcIRTransformLayerSetTransform(
     LLVMOrcIRTransformLayerRef IRTransformLayer,
     LLVMOrcIRTransformLayerTransformFunction TransformFunction, void *Ctx);
 
 /**
  * Set the transform function on an LLVMOrcObjectTransformLayer.
  */
 void LLVMOrcObjectTransformLayerSetTransform(
     LLVMOrcObjectTransformLayerRef ObjTransformLayer,
     LLVMOrcObjectTransformLayerTransformFunction TransformFunction, void *Ctx);
 
 /**
  * Create a LocalIndirectStubsManager from the given target triple.
  *
  * The resulting IndirectStubsManager is owned by the client
  * and must be disposed of by calling LLVMOrcDisposeDisposeIndirectStubsManager.
  */
 LLVMOrcIndirectStubsManagerRef
 LLVMOrcCreateLocalIndirectStubsManager(const char *TargetTriple);
 
 /**
  * Dispose of an IndirectStubsManager.
  */
 void LLVMOrcDisposeIndirectStubsManager(LLVMOrcIndirectStubsManagerRef ISM);
 
 LLVMErrorRef LLVMOrcCreateLocalLazyCallThroughManager(
     const char *TargetTriple, LLVMOrcExecutionSessionRef ES,
     LLVMOrcJITTargetAddress ErrorHandlerAddr,
     LLVMOrcLazyCallThroughManagerRef *LCTM);
 
 /**
  * Dispose of an LazyCallThroughManager.
  */
 void LLVMOrcDisposeLazyCallThroughManager(
     LLVMOrcLazyCallThroughManagerRef LCTM);
 
 /**
  * Create a DumpObjects instance.
  *
  * DumpDir specifies the path to write dumped objects to. DumpDir may be empty
  * in which case files will be dumped to the working directory.
  *
  * IdentifierOverride specifies a file name stem to use when dumping objects.
  * If empty then each MemoryBuffer's identifier will be used (with a .o suffix
  * added if not already present). If an identifier override is supplied it will
  * be used instead, along with an incrementing counter (since all buffers will
  * use the same identifier, the resulting files will be named <ident>.o,
  * <ident>.2.o, <ident>.3.o, and so on). IdentifierOverride should not contain
  * an extension, as a .o suffix will be added by DumpObjects.
  */
 LLVMOrcDumpObjectsRef LLVMOrcCreateDumpObjects(const char *DumpDir,
                                                const char *IdentifierOverride);
 
 /**
  * Dispose of a DumpObjects instance.
  */
 void LLVMOrcDisposeDumpObjects(LLVMOrcDumpObjectsRef DumpObjects);
 
 /**
  * Dump the contents of the given MemoryBuffer.
  */
 LLVMErrorRef LLVMOrcDumpObjects_CallOperator(LLVMOrcDumpObjectsRef DumpObjects,
                                              LLVMMemoryBufferRef *ObjBuffer);
 
 /**
  * @}
  */
 
 LLVM_C_EXTERN_C_END
 
 #endif /* LLVM_C_ORC_H */

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