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/*===----------- llvm-c/OrcBindings.h - Orc Lib C Iface ---------*- 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. *|
|* *|
|* 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/Error.h"
#include "llvm-c/ExternC.h"
#include "llvm-c/Object.h"
#include "llvm-c/TargetMachine.h"
LLVM_C_EXTERN_C_BEGIN
typedef struct LLVMOrcOpaqueJITStack *LLVMOrcJITStackRef;
typedef uint64_t LLVMOrcModuleHandle;
typedef uint64_t LLVMOrcTargetAddress;
typedef uint64_t (*LLVMOrcSymbolResolverFn)(const char *Name, void *LookupCtx);
typedef uint64_t (*LLVMOrcLazyCompileCallbackFn)(LLVMOrcJITStackRef JITStack,
void *CallbackCtx);
/**
* 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.
*/
LLVMErrorRef LLVMOrcCreateLazyCompileCallback(
LLVMOrcJITStackRef JITStack, LLVMOrcTargetAddress *RetAddr,
LLVMOrcLazyCompileCallbackFn Callback, void *CallbackCtx);
/**
* Create a named indirect call stub.
*/
LLVMErrorRef LLVMOrcCreateIndirectStub(LLVMOrcJITStackRef JITStack,
const char *StubName,
LLVMOrcTargetAddress InitAddr);
/**
* Set the pointer for the given indirect stub.
*/
LLVMErrorRef LLVMOrcSetIndirectStubPointer(LLVMOrcJITStackRef JITStack,
const char *StubName,
LLVMOrcTargetAddress NewAddr);
/**
* Add module to be eagerly compiled.
*/
LLVMErrorRef LLVMOrcAddEagerlyCompiledIR(LLVMOrcJITStackRef JITStack,
LLVMOrcModuleHandle *RetHandle,
LLVMModuleRef Mod,
LLVMOrcSymbolResolverFn SymbolResolver,
void *SymbolResolverCtx);
/**
* Add module to be lazily compiled one function at a time.
*/
LLVMErrorRef LLVMOrcAddLazilyCompiledIR(LLVMOrcJITStackRef JITStack,
LLVMOrcModuleHandle *RetHandle,
LLVMModuleRef 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.
*/
LLVMErrorRef 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.
*/
LLVMErrorRef LLVMOrcRemoveModule(LLVMOrcJITStackRef JITStack,
LLVMOrcModuleHandle H);
/**
* Get symbol address from JIT instance.
*/
LLVMErrorRef LLVMOrcGetSymbolAddress(LLVMOrcJITStackRef JITStack,
LLVMOrcTargetAddress *RetAddr,
const char *SymbolName);
/**
* Get symbol address from JIT instance, searching only the specified
* handle.
*/
LLVMErrorRef LLVMOrcGetSymbolAddressIn(LLVMOrcJITStackRef JITStack,
LLVMOrcTargetAddress *RetAddr,
LLVMOrcModuleHandle H,
const char *SymbolName);
/**
* Dispose of an ORC JIT stack.
*/
LLVMErrorRef LLVMOrcDisposeInstance(LLVMOrcJITStackRef JITStack);
/**
* Register a JIT Event Listener.
*
* A NULL listener is ignored.
*/
void LLVMOrcRegisterJITEventListener(LLVMOrcJITStackRef JITStack, LLVMJITEventListenerRef L);
/**
* Unegister a JIT Event Listener.
*
* A NULL listener is ignored.
*/
void LLVMOrcUnregisterJITEventListener(LLVMOrcJITStackRef JITStack, LLVMJITEventListenerRef L);
LLVM_C_EXTERN_C_END
#endif /* LLVM_C_ORCBINDINGS_H */
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