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