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 C bindings for libLLVMTarget.a, which implements
11 // target information.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "llvm-c/Target.h"
16 #include "llvm/PassManager.h"
17 #include "llvm/Target/TargetData.h"
18 #include <cstring>
19 
20 using namespace llvm;
21 
22 LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep) {
23   return wrap(new TargetData(StringRep));
24 }
25 
26 void LLVMAddTargetData(LLVMTargetDataRef TD, LLVMPassManagerRef PM) {
27   unwrap(PM)->add(new TargetData(*unwrap(TD)));
28 }
29 
30 char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef TD) {
31   std::string StringRep = unwrap(TD)->getStringRepresentation();
32   return strdup(StringRep.c_str());
33 }
34 
35 LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef TD) {
36   return unwrap(TD)->isLittleEndian();
37 }
38 
39 unsigned LLVMPointerSize(LLVMTargetDataRef TD) {
40   return unwrap(TD)->getPointerSize();
41 }
42 
43 LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef TD) {
44   return wrap(unwrap(TD)->getIntPtrType(getGlobalContext()));
45 }
46 
47 unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
48   return unwrap(TD)->getTypeSizeInBits(unwrap(Ty));
49 }
50 
51 unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
52   return unwrap(TD)->getTypeStoreSize(unwrap(Ty));
53 }
54 
55 unsigned long long LLVMABISizeOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
56   return unwrap(TD)->getTypeAllocSize(unwrap(Ty));
57 }
58 
59 unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
60   return unwrap(TD)->getABITypeAlignment(unwrap(Ty));
61 }
62 
63 unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
64   return unwrap(TD)->getCallFrameTypeAlignment(unwrap(Ty));
65 }
66 
67 unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
68   return unwrap(TD)->getPrefTypeAlignment(unwrap(Ty));
69 }
70 
71 unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef TD,
72                                         LLVMValueRef GlobalVar) {
73   return unwrap(TD)->getPreferredAlignment(unwrap<GlobalVariable>(GlobalVar));
74 }
75 
76 unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
77                              unsigned long long Offset) {
78   const StructType *STy = unwrap<StructType>(StructTy);
79   return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
80 }
81 
82 unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
83                                        unsigned Element) {
84   const StructType *STy = unwrap<StructType>(StructTy);
85   return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
86 }
87 
88 void LLVMInvalidateStructLayout(LLVMTargetDataRef TD, LLVMTypeRef StructTy) {
89   unwrap(TD)->InvalidateStructLayoutInfo(unwrap<StructType>(StructTy));
90 }
91 
92 void LLVMDisposeTargetData(LLVMTargetDataRef TD) {
93   delete unwrap(TD);
94 }
95