141 lines
4.7 KiB
C++
141 lines
4.7 KiB
C++
//===-- Target.cpp --------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the common infrastructure (including C bindings) for
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// libLLVMTarget.a, which implements target information.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm-c/Target.h"
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#include "llvm-c/Initialization.h"
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#include "llvm/Analysis/TargetLibraryInfo.h"
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#include "llvm/IR/DataLayout.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/LegacyPassManager.h"
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#include "llvm/IR/Value.h"
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#include "llvm/InitializePasses.h"
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#include <cstring>
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using namespace llvm;
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// Avoid including "llvm-c/Core.h" for compile time, fwd-declare this instead.
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extern "C" LLVMContextRef LLVMGetGlobalContext(void);
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inline TargetLibraryInfoImpl *unwrap(LLVMTargetLibraryInfoRef P) {
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return reinterpret_cast<TargetLibraryInfoImpl*>(P);
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}
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inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfoImpl *P) {
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TargetLibraryInfoImpl *X = const_cast<TargetLibraryInfoImpl*>(P);
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return reinterpret_cast<LLVMTargetLibraryInfoRef>(X);
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}
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void llvm::initializeTarget(PassRegistry &Registry) {
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initializeTargetLibraryInfoWrapperPassPass(Registry);
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initializeTargetTransformInfoWrapperPassPass(Registry);
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}
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void LLVMInitializeTarget(LLVMPassRegistryRef R) {
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initializeTarget(*unwrap(R));
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}
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LLVMTargetDataRef LLVMGetModuleDataLayout(LLVMModuleRef M) {
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return wrap(&unwrap(M)->getDataLayout());
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}
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void LLVMSetModuleDataLayout(LLVMModuleRef M, LLVMTargetDataRef DL) {
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unwrap(M)->setDataLayout(*unwrap(DL));
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}
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LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
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return wrap(new DataLayout(StringRep));
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}
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void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
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delete unwrap(TD);
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}
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void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef TLI,
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LLVMPassManagerRef PM) {
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unwrap(PM)->add(new TargetLibraryInfoWrapperPass(*unwrap(TLI)));
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}
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char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
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std::string StringRep = unwrap(TD)->getStringRepresentation();
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return strdup(StringRep.c_str());
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}
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LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
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return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian;
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}
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unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
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return unwrap(TD)->getPointerSize(0);
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}
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unsigned LLVMPointerSizeForAS(LLVMTargetDataRef TD, unsigned AS) {
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return unwrap(TD)->getPointerSize(AS);
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}
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LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
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return wrap(unwrap(TD)->getIntPtrType(*unwrap(LLVMGetGlobalContext())));
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}
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LLVMTypeRef LLVMIntPtrTypeForAS(LLVMTargetDataRef TD, unsigned AS) {
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return wrap(unwrap(TD)->getIntPtrType(*unwrap(LLVMGetGlobalContext()), AS));
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}
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LLVMTypeRef LLVMIntPtrTypeInContext(LLVMContextRef C, LLVMTargetDataRef TD) {
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return wrap(unwrap(TD)->getIntPtrType(*unwrap(C)));
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}
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LLVMTypeRef LLVMIntPtrTypeForASInContext(LLVMContextRef C, LLVMTargetDataRef TD, unsigned AS) {
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return wrap(unwrap(TD)->getIntPtrType(*unwrap(C), AS));
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}
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unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
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return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
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}
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unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
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return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
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}
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unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
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return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
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}
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unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
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return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
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}
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unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
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return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
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}
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unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
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return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
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}
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unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
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LLVMValueRef GlobalVar) {
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return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
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}
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unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
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unsigned long long Offset) {
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StructType *STy = unwrap<StructType>(StructTy);
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return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
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}
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unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
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unsigned Element) {
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StructType *STy = unwrap<StructType>(StructTy);
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return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
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}
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