1 //===-- TargetMachine.cpp -------------------------------------------------===//
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 file implements the LLVM-C part of TargetMachine.h
12 //===----------------------------------------------------------------------===//
14 #include "llvm-c/TargetMachine.h"
15 #include "llvm-c/Core.h"
16 #include "llvm-c/Target.h"
17 #include "llvm/IR/DataLayout.h"
18 #include "llvm/IR/Module.h"
19 #include "llvm/PassManager.h"
20 #include "llvm/Support/CodeGen.h"
21 #include "llvm/Support/FormattedStream.h"
22 #include "llvm/Support/TargetRegistry.h"
23 #include "llvm/Support/raw_ostream.h"
24 #include "llvm/Support/Host.h"
25 #include "llvm/Target/TargetMachine.h"
32 inline DataLayout *unwrap(LLVMTargetDataRef P) {
33 return reinterpret_cast<DataLayout*>(P);
36 inline LLVMTargetDataRef wrap(const DataLayout *P) {
37 return reinterpret_cast<LLVMTargetDataRef>(const_cast<DataLayout*>(P));
40 inline TargetLibraryInfo *unwrap(LLVMTargetLibraryInfoRef P) {
41 return reinterpret_cast<TargetLibraryInfo*>(P);
44 inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfo *P) {
45 TargetLibraryInfo *X = const_cast<TargetLibraryInfo*>(P);
46 return reinterpret_cast<LLVMTargetLibraryInfoRef>(X);
49 inline TargetMachine *unwrap(LLVMTargetMachineRef P) {
50 return reinterpret_cast<TargetMachine*>(P);
52 inline Target *unwrap(LLVMTargetRef P) {
53 return reinterpret_cast<Target*>(P);
55 inline LLVMTargetMachineRef wrap(const TargetMachine *P) {
57 reinterpret_cast<LLVMTargetMachineRef>(const_cast<TargetMachine*>(P));
59 inline LLVMTargetRef wrap(const Target * P) {
60 return reinterpret_cast<LLVMTargetRef>(const_cast<Target*>(P));
63 LLVMTargetRef LLVMGetFirstTarget() {
64 if(TargetRegistry::begin() == TargetRegistry::end()) {
68 const Target* target = &*TargetRegistry::begin();
71 LLVMTargetRef LLVMGetNextTarget(LLVMTargetRef T) {
72 return wrap(unwrap(T)->getNext());
75 LLVMBool LLVMGetTargetFromName(const char *Name, LLVMTargetRef *T) {
76 for (TargetRegistry::iterator IT = TargetRegistry::begin(),
77 IE = TargetRegistry::end(); IT != IE; ++IT) {
78 if (IT->getName() == Name) {
88 LLVMBool LLVMGetTargetFromTriple(const char* TripleStr, LLVMTargetRef *T,
89 char **ErrorMessage) {
92 *T = wrap(TargetRegistry::lookupTarget(TripleStr, Error));
96 *ErrorMessage = strdup(Error.c_str());
104 const char * LLVMGetTargetName(LLVMTargetRef T) {
105 return unwrap(T)->getName();
108 const char * LLVMGetTargetDescription(LLVMTargetRef T) {
109 return unwrap(T)->getShortDescription();
112 LLVMBool LLVMTargetHasJIT(LLVMTargetRef T) {
113 return unwrap(T)->hasJIT();
116 LLVMBool LLVMTargetHasTargetMachine(LLVMTargetRef T) {
117 return unwrap(T)->hasTargetMachine();
120 LLVMBool LLVMTargetHasAsmBackend(LLVMTargetRef T) {
121 return unwrap(T)->hasMCAsmBackend();
124 LLVMTargetMachineRef LLVMCreateTargetMachine(LLVMTargetRef T, char* Triple,
125 char* CPU, char* Features, LLVMCodeGenOptLevel Level, LLVMRelocMode Reloc,
126 LLVMCodeModel CodeModel) {
129 case LLVMRelocStatic:
135 case LLVMRelocDynamicNoPic:
136 RM = Reloc::DynamicNoPIC;
143 CodeModel::Model CM = unwrap(CodeModel);
145 CodeGenOpt::Level OL;
147 case LLVMCodeGenLevelNone:
148 OL = CodeGenOpt::None;
150 case LLVMCodeGenLevelLess:
151 OL = CodeGenOpt::Less;
153 case LLVMCodeGenLevelAggressive:
154 OL = CodeGenOpt::Aggressive;
157 OL = CodeGenOpt::Default;
162 return wrap(unwrap(T)->createTargetMachine(Triple, CPU, Features, opt, RM,
167 void LLVMDisposeTargetMachine(LLVMTargetMachineRef T) {
171 LLVMTargetRef LLVMGetTargetMachineTarget(LLVMTargetMachineRef T) {
172 const Target* target = &(unwrap(T)->getTarget());
176 char* LLVMGetTargetMachineTriple(LLVMTargetMachineRef T) {
177 std::string StringRep = unwrap(T)->getTargetTriple();
178 return strdup(StringRep.c_str());
181 char* LLVMGetTargetMachineCPU(LLVMTargetMachineRef T) {
182 std::string StringRep = unwrap(T)->getTargetCPU();
183 return strdup(StringRep.c_str());
186 char* LLVMGetTargetMachineFeatureString(LLVMTargetMachineRef T) {
187 std::string StringRep = unwrap(T)->getTargetFeatureString();
188 return strdup(StringRep.c_str());
191 LLVMTargetDataRef LLVMGetTargetMachineData(LLVMTargetMachineRef T) {
192 return wrap(unwrap(T)->getDataLayout());
195 void LLVMSetTargetMachineAsmVerbosity(LLVMTargetMachineRef T,
196 LLVMBool VerboseAsm) {
197 unwrap(T)->setAsmVerbosityDefault(VerboseAsm);
200 static LLVMBool LLVMTargetMachineEmit(LLVMTargetMachineRef T, LLVMModuleRef M,
201 formatted_raw_ostream &OS, LLVMCodeGenFileType codegen, char **ErrorMessage) {
202 TargetMachine* TM = unwrap(T);
203 Module* Mod = unwrap(M);
209 const DataLayout* td = TM->getDataLayout();
212 error = "No DataLayout in TargetMachine";
213 *ErrorMessage = strdup(error.c_str());
216 pass.add(new DataLayout(*td));
218 TargetMachine::CodeGenFileType ft;
220 case LLVMAssemblyFile:
221 ft = TargetMachine::CGFT_AssemblyFile;
224 ft = TargetMachine::CGFT_ObjectFile;
227 if (TM->addPassesToEmitFile(pass, OS, ft)) {
228 error = "TargetMachine can't emit a file of this type";
229 *ErrorMessage = strdup(error.c_str());
239 LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M,
240 char* Filename, LLVMCodeGenFileType codegen, char** ErrorMessage) {
242 raw_fd_ostream dest(Filename, error, sys::fs::F_Binary);
243 if (!error.empty()) {
244 *ErrorMessage = strdup(error.c_str());
247 formatted_raw_ostream destf(dest);
248 bool Result = LLVMTargetMachineEmit(T, M, destf, codegen, ErrorMessage);
253 LLVMBool LLVMTargetMachineEmitToMemoryBuffer(LLVMTargetMachineRef T,
254 LLVMModuleRef M, LLVMCodeGenFileType codegen, char** ErrorMessage,
255 LLVMMemoryBufferRef *OutMemBuf) {
256 std::string CodeString;
257 raw_string_ostream OStream(CodeString);
258 formatted_raw_ostream Out(OStream);
259 bool Result = LLVMTargetMachineEmit(T, M, Out, codegen, ErrorMessage);
262 std::string &Data = OStream.str();
263 *OutMemBuf = LLVMCreateMemoryBufferWithMemoryRangeCopy(Data.c_str(),
268 char *LLVMGetDefaultTargetTriple(void) {
269 return strdup(sys::getDefaultTargetTriple().c_str());