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Current File : //usr/lib/llvm-6.0/build/Release/include/llvm-c/OrcBindings.h
/*===----------- llvm-c/OrcBindings.h - Orc Lib C Iface ---------*- C++ -*-===*\
|* *|
|* The LLVM Compiler Infrastructure *|
|* *|
|* This file is distributed under the University of Illinois Open Source *|
|* License. See LICENSE.TXT for details. *|
|* *|
|*===----------------------------------------------------------------------===*|
|* *|
|* This header declares the C interface to libLLVMOrcJIT.a, which implements *|
|* JIT compilation of LLVM IR. *|
|* *|
|* 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. *|
|* *|
\*===----------------------------------------------------------------------===*/
#ifndef LLVM_C_ORCBINDINGS_H
#define LLVM_C_ORCBINDINGS_H
#include "llvm-c/Object.h"
#include "llvm-c/TargetMachine.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct LLVMOpaqueSharedModule *LLVMSharedModuleRef;
typedef struct LLVMOrcOpaqueJITStack *LLVMOrcJITStackRef;
typedef uint32_t LLVMOrcModuleHandle;
typedef uint64_t LLVMOrcTargetAddress;
typedef uint64_t (*LLVMOrcSymbolResolverFn)(const char *Name, void *LookupCtx);
typedef uint64_t (*LLVMOrcLazyCompileCallbackFn)(LLVMOrcJITStackRef JITStack,
void *CallbackCtx);
typedef enum { LLVMOrcErrSuccess = 0, LLVMOrcErrGeneric } LLVMOrcErrorCode;
/**
* Turn an LLVMModuleRef into an LLVMSharedModuleRef.
*
* The JIT uses shared ownership for LLVM modules, since it is generally
* difficult to know when the JIT will be finished with a module (and the JIT
* has no way of knowing when a user may be finished with one).
*
* Calling this method with an LLVMModuleRef creates a shared-pointer to the
* module, and returns a reference to this shared pointer.
*
* The shared module should be disposed when finished with by calling
* LLVMOrcDisposeSharedModule (not LLVMDisposeModule). The Module will be
* deleted when the last shared pointer owner relinquishes it.
*/
LLVMSharedModuleRef LLVMOrcMakeSharedModule(LLVMModuleRef Mod);
/**
* Dispose of a shared module.
*
* The module should not be accessed after this call. The module will be
* deleted once all clients (including the JIT itself) have released their
* shared pointers.
*/
void LLVMOrcDisposeSharedModuleRef(LLVMSharedModuleRef SharedMod);
/**
* Create an ORC JIT stack.
*
* The client owns the resulting stack, and must call OrcDisposeInstance(...)
* to destroy it and free its memory. The JIT stack will take ownership of the
* TargetMachine, which will be destroyed when the stack is destroyed. The
* client should not attempt to dispose of the Target Machine, or it will result
* in a double-free.
*/
LLVMOrcJITStackRef LLVMOrcCreateInstance(LLVMTargetMachineRef TM);
/**
* Get the error message for the most recent error (if any).
*
* This message is owned by the ORC JIT Stack and will be freed when the stack
* is disposed of by LLVMOrcDisposeInstance.
*/
const char *LLVMOrcGetErrorMsg(LLVMOrcJITStackRef JITStack);
/**
* Mangle the given symbol.
* Memory will be allocated for MangledSymbol to hold the result. The client
*/
void LLVMOrcGetMangledSymbol(LLVMOrcJITStackRef JITStack, char **MangledSymbol,
const char *Symbol);
/**
* Dispose of a mangled symbol.
*/
void LLVMOrcDisposeMangledSymbol(char *MangledSymbol);
/**
* Create a lazy compile callback.
*/
LLVMOrcErrorCode
LLVMOrcCreateLazyCompileCallback(LLVMOrcJITStackRef JITStack,
LLVMOrcTargetAddress *RetAddr,
LLVMOrcLazyCompileCallbackFn Callback,
void *CallbackCtx);
/**
* Create a named indirect call stub.
*/
LLVMOrcErrorCode LLVMOrcCreateIndirectStub(LLVMOrcJITStackRef JITStack,
const char *StubName,
LLVMOrcTargetAddress InitAddr);
/**
* Set the pointer for the given indirect stub.
*/
LLVMOrcErrorCode LLVMOrcSetIndirectStubPointer(LLVMOrcJITStackRef JITStack,
const char *StubName,
LLVMOrcTargetAddress NewAddr);
/**
* Add module to be eagerly compiled.
*/
LLVMOrcErrorCode
LLVMOrcAddEagerlyCompiledIR(LLVMOrcJITStackRef JITStack,
LLVMOrcModuleHandle *RetHandle,
LLVMSharedModuleRef Mod,
LLVMOrcSymbolResolverFn SymbolResolver,
void *SymbolResolverCtx);
/**
* Add module to be lazily compiled one function at a time.
*/
LLVMOrcErrorCode
LLVMOrcAddLazilyCompiledIR(LLVMOrcJITStackRef JITStack,
LLVMOrcModuleHandle *RetHandle,
LLVMSharedModuleRef Mod,
LLVMOrcSymbolResolverFn SymbolResolver,
void *SymbolResolverCtx);
/**
* Add an object file.
*
* This method takes ownership of the given memory buffer and attempts to add
* it to the JIT as an object file.
* Clients should *not* dispose of the 'Obj' argument: the JIT will manage it
* from this call onwards.
*/
LLVMOrcErrorCode LLVMOrcAddObjectFile(LLVMOrcJITStackRef JITStack,
LLVMOrcModuleHandle *RetHandle,
LLVMMemoryBufferRef Obj,
LLVMOrcSymbolResolverFn SymbolResolver,
void *SymbolResolverCtx);
/**
* Remove a module set from the JIT.
*
* This works for all modules that can be added via OrcAdd*, including object
* files.
*/
LLVMOrcErrorCode LLVMOrcRemoveModule(LLVMOrcJITStackRef JITStack,
LLVMOrcModuleHandle H);
/**
* Get symbol address from JIT instance.
*/
LLVMOrcErrorCode LLVMOrcGetSymbolAddress(LLVMOrcJITStackRef JITStack,
LLVMOrcTargetAddress *RetAddr,
const char *SymbolName);
/**
* Dispose of an ORC JIT stack.
*/
LLVMOrcErrorCode LLVMOrcDisposeInstance(LLVMOrcJITStackRef JITStack);
#ifdef __cplusplus
}
#endif /* extern "C" */
#endif /* LLVM_C_ORCBINDINGS_H */
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