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/*===-- llvm-c/ExecutionEngine.h - ExecutionEngine 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 libLLVMExecutionEngine.o, which *|
|* implements various analyses of the 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. *|
|* *|
\*===----------------------------------------------------------------------===*/
#ifndef LLVM_C_EXECUTIONENGINE_H
#define LLVM_C_EXECUTIONENGINE_H
#include "llvm-c/ExternC.h"
#include "llvm-c/Target.h"
#include "llvm-c/TargetMachine.h"
#include "llvm-c/Types.h"
#include "llvm-c/Visibility.h"
LLVM_C_EXTERN_C_BEGIN
/**
* @defgroup LLVMCExecutionEngine Execution Engine
* @ingroup LLVMC
*
* @{
*/
/**
* Empty function used to force the linker to link MCJIT.
* Has no effect when called on a pre-built library (dylib interface).
*/
LLVM_C_ABI void LLVMLinkInMCJIT(void);
/**
* Empty function used to force the linker to link the LLVM interpreter.
* Has no effect when called on a pre-built library (dylib interface).
*/
LLVM_C_ABI void LLVMLinkInInterpreter(void);
typedef struct LLVMOpaqueGenericValue *LLVMGenericValueRef;
typedef struct LLVMOpaqueExecutionEngine *LLVMExecutionEngineRef;
typedef struct LLVMOpaqueMCJITMemoryManager *LLVMMCJITMemoryManagerRef;
struct LLVMMCJITCompilerOptions {
unsigned OptLevel;
LLVMCodeModel CodeModel;
LLVMBool NoFramePointerElim;
LLVMBool EnableFastISel;
LLVMMCJITMemoryManagerRef MCJMM;
};
/*===-- Operations on generic values --------------------------------------===*/
LLVM_C_ABI LLVMGenericValueRef LLVMCreateGenericValueOfInt(LLVMTypeRef Ty,
unsigned long long N,
LLVMBool IsSigned);
LLVM_C_ABI LLVMGenericValueRef LLVMCreateGenericValueOfPointer(void *P);
LLVM_C_ABI LLVMGenericValueRef LLVMCreateGenericValueOfFloat(LLVMTypeRef Ty,
double N);
LLVM_C_ABI unsigned LLVMGenericValueIntWidth(LLVMGenericValueRef GenValRef);
LLVM_C_ABI unsigned long long LLVMGenericValueToInt(LLVMGenericValueRef GenVal,
LLVMBool IsSigned);
LLVM_C_ABI void *LLVMGenericValueToPointer(LLVMGenericValueRef GenVal);
LLVM_C_ABI double LLVMGenericValueToFloat(LLVMTypeRef TyRef,
LLVMGenericValueRef GenVal);
LLVM_C_ABI void LLVMDisposeGenericValue(LLVMGenericValueRef GenVal);
/*===-- Operations on execution engines -----------------------------------===*/
LLVM_C_ABI LLVMBool LLVMCreateExecutionEngineForModule(
LLVMExecutionEngineRef *OutEE, LLVMModuleRef M, char **OutError);
LLVM_C_ABI LLVMBool LLVMCreateInterpreterForModule(
LLVMExecutionEngineRef *OutInterp, LLVMModuleRef M, char **OutError);
LLVM_C_ABI LLVMBool
LLVMCreateJITCompilerForModule(LLVMExecutionEngineRef *OutJIT, LLVMModuleRef M,
unsigned OptLevel, char **OutError);
LLVM_C_ABI void
LLVMInitializeMCJITCompilerOptions(struct LLVMMCJITCompilerOptions *Options,
size_t SizeOfOptions);
/**
* Create an MCJIT execution engine for a module, with the given options. It is
* the responsibility of the caller to ensure that all fields in Options up to
* the given SizeOfOptions are initialized. It is correct to pass a smaller
* value of SizeOfOptions that omits some fields. The canonical way of using
* this is:
*
* LLVMMCJITCompilerOptions options;
* LLVMInitializeMCJITCompilerOptions(&options, sizeof(options));
* ... fill in those options you care about
* LLVMCreateMCJITCompilerForModule(&jit, mod, &options, sizeof(options),
* &error);
*
* Note that this is also correct, though possibly suboptimal:
*
* LLVMCreateMCJITCompilerForModule(&jit, mod, 0, 0, &error);
*/
LLVM_C_ABI LLVMBool LLVMCreateMCJITCompilerForModule(
LLVMExecutionEngineRef *OutJIT, LLVMModuleRef M,
struct LLVMMCJITCompilerOptions *Options, size_t SizeOfOptions,
char **OutError);
LLVM_C_ABI void LLVMDisposeExecutionEngine(LLVMExecutionEngineRef EE);
LLVM_C_ABI void LLVMRunStaticConstructors(LLVMExecutionEngineRef EE);
LLVM_C_ABI void LLVMRunStaticDestructors(LLVMExecutionEngineRef EE);
LLVM_C_ABI int LLVMRunFunctionAsMain(LLVMExecutionEngineRef EE, LLVMValueRef F,
unsigned ArgC, const char *const *ArgV,
const char *const *EnvP);
LLVM_C_ABI LLVMGenericValueRef LLVMRunFunction(LLVMExecutionEngineRef EE,
LLVMValueRef F, unsigned NumArgs,
LLVMGenericValueRef *Args);
LLVM_C_ABI void LLVMFreeMachineCodeForFunction(LLVMExecutionEngineRef EE,
LLVMValueRef F);
LLVM_C_ABI void LLVMAddModule(LLVMExecutionEngineRef EE, LLVMModuleRef M);
LLVM_C_ABI LLVMBool LLVMRemoveModule(LLVMExecutionEngineRef EE, LLVMModuleRef M,
LLVMModuleRef *OutMod, char **OutError);
LLVM_C_ABI LLVMBool LLVMFindFunction(LLVMExecutionEngineRef EE,
const char *Name, LLVMValueRef *OutFn);
LLVM_C_ABI void *LLVMRecompileAndRelinkFunction(LLVMExecutionEngineRef EE,
LLVMValueRef Fn);
LLVM_C_ABI LLVMTargetDataRef
LLVMGetExecutionEngineTargetData(LLVMExecutionEngineRef EE);
LLVM_C_ABI LLVMTargetMachineRef
LLVMGetExecutionEngineTargetMachine(LLVMExecutionEngineRef EE);
LLVM_C_ABI void LLVMAddGlobalMapping(LLVMExecutionEngineRef EE,
LLVMValueRef Global, void *Addr);
LLVM_C_ABI void *LLVMGetPointerToGlobal(LLVMExecutionEngineRef EE,
LLVMValueRef Global);
LLVM_C_ABI uint64_t LLVMGetGlobalValueAddress(LLVMExecutionEngineRef EE,
const char *Name);
LLVM_C_ABI uint64_t LLVMGetFunctionAddress(LLVMExecutionEngineRef EE,
const char *Name);
/// Returns true on error, false on success. If true is returned then the error
/// message is copied to OutStr and cleared in the ExecutionEngine instance.
LLVM_C_ABI LLVMBool LLVMExecutionEngineGetErrMsg(LLVMExecutionEngineRef EE,
char **OutError);
/*===-- Operations on memory managers -------------------------------------===*/
typedef uint8_t *(*LLVMMemoryManagerAllocateCodeSectionCallback)(
void *Opaque, uintptr_t Size, unsigned Alignment, unsigned SectionID,
const char *SectionName);
typedef uint8_t *(*LLVMMemoryManagerAllocateDataSectionCallback)(
void *Opaque, uintptr_t Size, unsigned Alignment, unsigned SectionID,
const char *SectionName, LLVMBool IsReadOnly);
typedef LLVMBool (*LLVMMemoryManagerFinalizeMemoryCallback)(
void *Opaque, char **ErrMsg);
typedef void (*LLVMMemoryManagerDestroyCallback)(void *Opaque);
/**
* Create a simple custom MCJIT memory manager. This memory manager can
* intercept allocations in a module-oblivious way. This will return NULL
* if any of the passed functions are NULL.
*
* @param Opaque An opaque client object to pass back to the callbacks.
* @param AllocateCodeSection Allocate a block of memory for executable code.
* @param AllocateDataSection Allocate a block of memory for data.
* @param FinalizeMemory Set page permissions and flush cache. Return 0 on
* success, 1 on error.
*/
LLVM_C_ABI LLVMMCJITMemoryManagerRef LLVMCreateSimpleMCJITMemoryManager(
void *Opaque,
LLVMMemoryManagerAllocateCodeSectionCallback AllocateCodeSection,
LLVMMemoryManagerAllocateDataSectionCallback AllocateDataSection,
LLVMMemoryManagerFinalizeMemoryCallback FinalizeMemory,
LLVMMemoryManagerDestroyCallback Destroy);
LLVM_C_ABI void LLVMDisposeMCJITMemoryManager(LLVMMCJITMemoryManagerRef MM);
/*===-- JIT Event Listener functions -------------------------------------===*/
LLVM_C_ABI LLVMJITEventListenerRef LLVMCreateGDBRegistrationListener(void);
LLVM_C_ABI LLVMJITEventListenerRef LLVMCreateIntelJITEventListener(void);
LLVM_C_ABI LLVMJITEventListenerRef LLVMCreateOProfileJITEventListener(void);
LLVM_C_ABI LLVMJITEventListenerRef LLVMCreatePerfJITEventListener(void);
/**
* @}
*/
LLVM_C_EXTERN_C_END
#endif
|