1 /*===-- llvm-c/Target.h - Target Lib C Iface --------------------*- C++ -*-===*/
3 /* The LLVM Compiler Infrastructure */
5 /* This file is distributed under the University of Illinois Open Source */
6 /* License. See LICENSE.TXT for details. */
8 /*===----------------------------------------------------------------------===*/
10 /* This header declares the C interface to libLLVMTarget.a, which */
11 /* implements target information. */
13 /* Many exotic languages can interoperate with C code but have a harder time */
14 /* with C++ due to name mangling. So in addition to C, this interface enables */
15 /* tools written in such languages. */
17 /*===----------------------------------------------------------------------===*/
19 #ifndef LLVM_C_TARGET_H
20 #define LLVM_C_TARGET_H
22 #include "llvm-c/Core.h"
23 #include "llvm/Config/llvm-config.h"
29 enum LLVMByteOrdering { LLVMBigEndian, LLVMLittleEndian };
31 typedef struct LLVMOpaqueTargetData *LLVMTargetDataRef;
32 typedef struct LLVMOpaqueTargetLibraryInfotData *LLVMTargetLibraryInfoRef;
33 typedef struct LLVMStructLayout *LLVMStructLayoutRef;
35 /* Declare all of the target-initialization functions that are available. */
36 #define LLVM_TARGET(TargetName) \
37 void LLVMInitialize##TargetName##TargetInfo(void);
38 #include "llvm/Config/Targets.def"
39 #undef LLVM_TARGET /* Explicit undef to make SWIG happier */
41 #define LLVM_TARGET(TargetName) void LLVMInitialize##TargetName##Target(void);
42 #include "llvm/Config/Targets.def"
43 #undef LLVM_TARGET /* Explicit undef to make SWIG happier */
45 #define LLVM_TARGET(TargetName) \
46 void LLVMInitialize##TargetName##TargetMC(void);
47 #include "llvm/Config/Targets.def"
48 #undef LLVM_TARGET /* Explicit undef to make SWIG happier */
50 /* Declare all of the available assembly printer initialization functions. */
51 #define LLVM_ASM_PRINTER(TargetName) \
52 void LLVMInitialize##TargetName##AsmPrinter();
53 #include "llvm/Config/AsmPrinters.def"
55 /* Declare all of the available assembly parser initialization functions. */
56 #define LLVM_ASM_PARSER(TargetName) \
57 void LLVMInitialize##TargetName##AsmParser();
58 #include "llvm/Config/AsmParsers.def"
60 /* Declare all of the available disassembler initialization functions. */
61 #define LLVM_DISASSEMBLER(TargetName) \
62 void LLVMInitialize##TargetName##Disassembler();
63 #include "llvm/Config/Disassemblers.def"
65 /** LLVMInitializeAllTargetInfos - The main program should call this function if
66 it wants access to all available targets that LLVM is configured to
68 static inline void LLVMInitializeAllTargetInfos(void) {
69 #define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##TargetInfo();
70 #include "llvm/Config/Targets.def"
71 #undef LLVM_TARGET /* Explicit undef to make SWIG happier */
74 /** LLVMInitializeAllTargets - The main program should call this function if it
75 wants to link in all available targets that LLVM is configured to
77 static inline void LLVMInitializeAllTargets(void) {
78 #define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##Target();
79 #include "llvm/Config/Targets.def"
80 #undef LLVM_TARGET /* Explicit undef to make SWIG happier */
83 /** LLVMInitializeAllTargetMCs - The main program should call this function if
84 it wants access to all available target MC that LLVM is configured to
86 static inline void LLVMInitializeAllTargetMCs(void) {
87 #define LLVM_TARGET(TargetName) LLVMInitialize##TargetName##TargetMC();
88 #include "llvm/Config/Targets.def"
89 #undef LLVM_TARGET /* Explicit undef to make SWIG happier */
92 /** LLVMInitializeAllAsmPrinters - The main program should call this function if
93 it wants all asm printers that LLVM is configured to support, to make them
94 available via the TargetRegistry. */
95 static inline void LLVMInitializeAllAsmPrinters() {
96 #define LLVM_ASM_PRINTER(TargetName) LLVMInitialize##TargetName##AsmPrinter();
97 #include "llvm/Config/AsmPrinters.def"
98 #undef LLVM_ASM_PRINTER /* Explicit undef to make SWIG happier */
101 /** LLVMInitializeAllAsmParsers - The main program should call this function if
102 it wants all asm parsers that LLVM is configured to support, to make them
103 available via the TargetRegistry. */
104 static inline void LLVMInitializeAllAsmParsers() {
105 #define LLVM_ASM_PARSER(TargetName) LLVMInitialize##TargetName##AsmParser();
106 #include "llvm/Config/AsmParsers.def"
107 #undef LLVM_ASM_PARSER /* Explicit undef to make SWIG happier */
110 /** LLVMInitializeAllDisassemblers - The main program should call this function
111 if it wants all disassemblers that LLVM is configured to support, to make
112 them available via the TargetRegistry. */
113 static inline void LLVMInitializeAllDisassemblers() {
114 #define LLVM_DISASSEMBLER(TargetName) \
115 LLVMInitialize##TargetName##Disassembler();
116 #include "llvm/Config/Disassemblers.def"
117 #undef LLVM_DISASSEMBLER /* Explicit undef to make SWIG happier */
120 /** LLVMInitializeNativeTarget - The main program should call this function to
121 initialize the native target corresponding to the host. This is useful
122 for JIT applications to ensure that the target gets linked in correctly. */
123 static inline LLVMBool LLVMInitializeNativeTarget(void) {
124 /* If we have a native target, initialize it to ensure it is linked in. */
125 #ifdef LLVM_NATIVE_TARGET
126 LLVM_NATIVE_TARGETINFO();
127 LLVM_NATIVE_TARGET();
128 LLVM_NATIVE_TARGETMC();
135 /*===-- Target Data -------------------------------------------------------===*/
137 /** Creates target data from a target layout string.
138 See the constructor llvm::TargetData::TargetData. */
139 LLVMTargetDataRef LLVMCreateTargetData(const char *StringRep);
141 /** Adds target data information to a pass manager. This does not take ownership
143 See the method llvm::PassManagerBase::add. */
144 void LLVMAddTargetData(LLVMTargetDataRef, LLVMPassManagerRef);
146 /** Adds target library information to a pass manager. This does not take
147 ownership of the target library info.
148 See the method llvm::PassManagerBase::add. */
149 void LLVMAddTargetLibraryInfo(LLVMTargetLibraryInfoRef, LLVMPassManagerRef);
151 /** Converts target data to a target layout string. The string must be disposed
152 with LLVMDisposeMessage.
153 See the constructor llvm::TargetData::TargetData. */
154 char *LLVMCopyStringRepOfTargetData(LLVMTargetDataRef);
156 /** Returns the byte order of a target, either LLVMBigEndian or
158 See the method llvm::TargetData::isLittleEndian. */
159 enum LLVMByteOrdering LLVMByteOrder(LLVMTargetDataRef);
161 /** Returns the pointer size in bytes for a target.
162 See the method llvm::TargetData::getPointerSize. */
163 unsigned LLVMPointerSize(LLVMTargetDataRef);
165 /** Returns the integer type that is the same size as a pointer on a target.
166 See the method llvm::TargetData::getIntPtrType. */
167 LLVMTypeRef LLVMIntPtrType(LLVMTargetDataRef);
169 /** Computes the size of a type in bytes for a target.
170 See the method llvm::TargetData::getTypeSizeInBits. */
171 unsigned long long LLVMSizeOfTypeInBits(LLVMTargetDataRef, LLVMTypeRef);
173 /** Computes the storage size of a type in bytes for a target.
174 See the method llvm::TargetData::getTypeStoreSize. */
175 unsigned long long LLVMStoreSizeOfType(LLVMTargetDataRef, LLVMTypeRef);
177 /** Computes the ABI size of a type in bytes for a target.
178 See the method llvm::TargetData::getTypeAllocSize. */
179 unsigned long long LLVMABISizeOfType(LLVMTargetDataRef, LLVMTypeRef);
181 /** Computes the ABI alignment of a type in bytes for a target.
182 See the method llvm::TargetData::getTypeABISize. */
183 unsigned LLVMABIAlignmentOfType(LLVMTargetDataRef, LLVMTypeRef);
185 /** Computes the call frame alignment of a type in bytes for a target.
186 See the method llvm::TargetData::getTypeABISize. */
187 unsigned LLVMCallFrameAlignmentOfType(LLVMTargetDataRef, LLVMTypeRef);
189 /** Computes the preferred alignment of a type in bytes for a target.
190 See the method llvm::TargetData::getTypeABISize. */
191 unsigned LLVMPreferredAlignmentOfType(LLVMTargetDataRef, LLVMTypeRef);
193 /** Computes the preferred alignment of a global variable in bytes for a target.
194 See the method llvm::TargetData::getPreferredAlignment. */
195 unsigned LLVMPreferredAlignmentOfGlobal(LLVMTargetDataRef,
196 LLVMValueRef GlobalVar);
198 /** Computes the structure element that contains the byte offset for a target.
199 See the method llvm::StructLayout::getElementContainingOffset. */
200 unsigned LLVMElementAtOffset(LLVMTargetDataRef, LLVMTypeRef StructTy,
201 unsigned long long Offset);
203 /** Computes the byte offset of the indexed struct element for a target.
204 See the method llvm::StructLayout::getElementContainingOffset. */
205 unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef, LLVMTypeRef StructTy,
208 /** Deallocates a TargetData.
209 See the destructor llvm::TargetData::~TargetData. */
210 void LLVMDisposeTargetData(LLVMTargetDataRef);
218 class TargetLibraryInfo;
220 inline TargetData *unwrap(LLVMTargetDataRef P) {
221 return reinterpret_cast<TargetData*>(P);
224 inline LLVMTargetDataRef wrap(const TargetData *P) {
225 return reinterpret_cast<LLVMTargetDataRef>(const_cast<TargetData*>(P));
228 inline TargetLibraryInfo *unwrap(LLVMTargetLibraryInfoRef P) {
229 return reinterpret_cast<TargetLibraryInfo*>(P);
232 inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfo *P) {
233 TargetLibraryInfo *X = const_cast<TargetLibraryInfo*>(P);
234 return reinterpret_cast<LLVMTargetLibraryInfoRef>(X);
238 #endif /* defined(__cplusplus) */