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baf3eddc78
LLVMInitializeNativeTarget to initialize target info. - Patch by Jose Fonseca. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79307 91177308-0d34-0410-b5e6-96231b3b80d8
174 lines
7.2 KiB
C++
174 lines
7.2 KiB
C++
/*===-- llvm-c/Target.h - Target 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 libLLVMTarget.a, which *|
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|* implements target information. *|
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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_TARGET_H
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#define LLVM_C_TARGET_H
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#include "llvm-c/Core.h"
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#include "llvm/Config/config.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum { LLVMBigEndian, LLVMLittleEndian };
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typedef int LLVMByteOrdering;
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typedef struct LLVMOpaqueTargetData *LLVMTargetDataRef;
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typedef struct LLVMStructLayout *LLVMStructLayoutRef;
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/* Declare all of the target-initialization functions that are available. */
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#define LLVM_TARGET(TargetName) void LLVMInitialize##TargetName##TargetInfo();
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#include "llvm/Config/Targets.def"
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#define LLVM_TARGET(TargetName) void LLVMInitialize##TargetName##Target();
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#include "llvm/Config/Targets.def"
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/** LLVMInitializeAllTargetInfos - The main program should call this function if
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it wants access to all available targets that LLVM is configured to
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support. */
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static inline void LLVMInitializeAllTargetInfos() {
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#define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##TargetInfo();
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#include "llvm/Config/Targets.def"
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}
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/** LLVMInitializeAllTargets - The main program should call this function if it
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wants to link in all available targets that LLVM is configured to
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support. */
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static inline void LLVMInitializeAllTargets() {
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#define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##Target();
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#include "llvm/Config/Targets.def"
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}
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/** LLVMInitializeNativeTarget - The main program should call this function to
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initialize the native target corresponding to the host. This is useful
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for JIT applications to ensure that the target gets linked in correctly. */
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static inline int LLVMInitializeNativeTarget() {
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/* If we have a native target, initialize it to ensure it is linked in. */
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#ifdef LLVM_NATIVE_ARCH
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#define DoInit2(TARG) \
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LLVMInitialize ## TARG ## Info (); \
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LLVMInitialize ## TARG ()
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#define DoInit(T) DoInit2(T)
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DoInit(LLVM_NATIVE_ARCH);
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return 0;
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#undef DoInit
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#undef DoInit2
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#else
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return 1;
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#endif
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}
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/*===-- Target Data -------------------------------------------------------===*/
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/** Creates target data from a target layout string.
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See the constructor llvm::TargetData::TargetData. */
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LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep);
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/** Adds target data information to a pass manager. This does not take ownership
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of the target data.
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See the method llvm::PassManagerBase::add. */
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void LLVMAddTargetData(LLVMTargetDataRef, LLVMPassManagerRef);
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/** Converts target data to a target layout string. The string must be disposed
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with LLVMDisposeMessage.
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See the constructor llvm::TargetData::TargetData. */
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char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef);
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/** Returns the byte order of a target, either LLVMBigEndian or
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LLVMLittleEndian.
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See the method llvm::TargetData::isLittleEndian. */
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LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef);
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/** Returns the pointer size in bytes for a target.
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See the method llvm::TargetData::getPointerSize. */
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unsigned LLVMPointerSize(LLVMTargetDataRef);
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/** Returns the integer type that is the same size as a pointer on a target.
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See the method llvm::TargetData::getIntPtrType. */
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LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef);
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/** Computes the size of a type in bytes for a target.
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See the method llvm::TargetData::getTypeSizeInBits. */
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unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef, LLVMTypeRef);
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/** Computes the storage size of a type in bytes for a target.
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See the method llvm::TargetData::getTypeStoreSize. */
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unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef, LLVMTypeRef);
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/** Computes the ABI size of a type in bytes for a target.
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See the method llvm::TargetData::getTypeAllocSize. */
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unsigned long long LLVMABISizeOfType(LLVMTargetDataRef, LLVMTypeRef);
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/** Computes the ABI alignment of a type in bytes for a target.
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See the method llvm::TargetData::getTypeABISize. */
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unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef, LLVMTypeRef);
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/** Computes the call frame alignment of a type in bytes for a target.
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See the method llvm::TargetData::getTypeABISize. */
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unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef, LLVMTypeRef);
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/** Computes the preferred alignment of a type in bytes for a target.
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See the method llvm::TargetData::getTypeABISize. */
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unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef, LLVMTypeRef);
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/** Computes the preferred alignment of a global variable in bytes for a target.
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See the method llvm::TargetData::getPreferredAlignment. */
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unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef,
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LLVMValueRef GlobalVar);
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/** Computes the structure element that contains the byte offset for a target.
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See the method llvm::StructLayout::getElementContainingOffset. */
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unsigned LLVMElementAtOffset(LLVMTargetDataRef, LLVMTypeRef StructTy,
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unsigned long long Offset);
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/** Computes the byte offset of the indexed struct element for a target.
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See the method llvm::StructLayout::getElementContainingOffset. */
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unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef, LLVMTypeRef StructTy,
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unsigned Element);
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/** Struct layouts are speculatively cached. If a TargetDataRef is alive when
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types are being refined and removed, this method must be called whenever a
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struct type is removed to avoid a dangling pointer in this cache.
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See the method llvm::TargetData::InvalidateStructLayoutInfo. */
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void LLVMInvalidateStructLayout(LLVMTargetDataRef, LLVMTypeRef StructTy);
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/** Deallocates a TargetData.
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See the destructor llvm::TargetData::~TargetData. */
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void LLVMDisposeTargetData(LLVMTargetDataRef);
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#ifdef __cplusplus
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}
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namespace llvm {
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class TargetData;
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inline TargetData *unwrap(LLVMTargetDataRef P) {
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return reinterpret_cast<TargetData*>(P);
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}
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inline LLVMTargetDataRef wrap(const TargetData *P) {
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return reinterpret_cast<LLVMTargetDataRef>(const_cast<TargetData*>(P));
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}
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}
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#endif /* defined(__cplusplus) */
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#endif
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