1 //===-- Target.cpp --------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements the common infrastructure (including C bindings) for
11 // libLLVMTarget.a, which implements target information.
12 //
13 //===----------------------------------------------------------------------===//
14
15 #include "llvm-c/Target.h"
16 #include "llvm-c/Initialization.h"
17 #include "llvm/InitializePasses.h"
18 #include "llvm/PassManager.h"
19 #include "llvm/Target/TargetData.h"
20 #include "llvm/LLVMContext.h"
21 #include <cstring>
22
23 using namespace llvm;
24
initializeTarget(PassRegistry & Registry)25 void llvm::initializeTarget(PassRegistry &Registry) {
26 initializeTargetDataPass(Registry);
27 initializeTargetLibraryInfoPass(Registry);
28 }
29
LLVMInitializeTarget(LLVMPassRegistryRef R)30 void LLVMInitializeTarget(LLVMPassRegistryRef R) {
31 initializeTarget(*unwrap(R));
32 }
33
LLVMCreateTargetData(const char * StringRep)34 LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
35 return wrap(new TargetData(StringRep));
36 }
37
LLVMAddTargetData(LLVMTargetDataRef TD,LLVMPassManagerRef PM)38 void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
39 unwrap(PM)->add(new TargetData(*unwrap(TD)));
40 }
41
LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD)42 char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
43 std::string StringRep = unwrap(TD)->getStringRepresentation();
44 return strdup(StringRep.c_str());
45 }
46
LLVMByteOrder(LLVMTargetDataRef TD)47 LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
48 return unwrap(TD)->isLittleEndian() ? LLVMLittleEndian : LLVMBigEndian;
49 }
50
LLVMPointerSize(LLVMTargetDataRef TD)51 unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
52 return unwrap(TD)->getPointerSize();
53 }
54
LLVMIntPtrType(LLVMTargetDataRef TD)55 LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
56 return wrap(unwrap(TD)->getIntPtrType(getGlobalContext()));
57 }
58
LLVMSizeOfTypeInBits(LLVMTargetDataRef TD,LLVMTypeRef Ty)59 unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
60 return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
61 }
62
LLVMStoreSizeOfType(LLVMTargetDataRef TD,LLVMTypeRef Ty)63 unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
64 return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
65 }
66
LLVMABISizeOfType(LLVMTargetDataRef TD,LLVMTypeRef Ty)67 unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
68 return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
69 }
70
LLVMABIAlignmentOfType(LLVMTargetDataRef TD,LLVMTypeRef Ty)71 unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
72 return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
73 }
74
LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD,LLVMTypeRef Ty)75 unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
76 return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty));
77 }
78
LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD,LLVMTypeRef Ty)79 unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
80 return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
81 }
82
LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,LLVMValueRef GlobalVar)83 unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
84 LLVMValueRef GlobalVar) {
85 return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
86 }
87
LLVMElementAtOffset(LLVMTargetDataRef TD,LLVMTypeRef StructTy,unsigned long long Offset)88 unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
89 unsigned long long Offset) {
90 StructType *STy = unwrap<StructType>(StructTy);
91 return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
92 }
93
LLVMOffsetOfElement(LLVMTargetDataRef TD,LLVMTypeRef StructTy,unsigned Element)94 unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
95 unsigned Element) {
96 StructType *STy = unwrap<StructType>(StructTy);
97 return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
98 }
99
LLVMDisposeTargetData(LLVMTargetDataRef TD)100 void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
101 delete unwrap(TD);
102 }
103