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Diffstat (limited to 'contrib/llvm/lib/Target/TargetMachineC.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/TargetMachineC.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/TargetMachineC.cpp b/contrib/llvm/lib/Target/TargetMachineC.cpp new file mode 100644 index 0000000..01d12e8 --- /dev/null +++ b/contrib/llvm/lib/Target/TargetMachineC.cpp @@ -0,0 +1,227 @@ +//===-- TargetMachine.cpp -------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements the LLVM-C part of TargetMachine.h +// +//===----------------------------------------------------------------------===// + +#include "llvm-c/TargetMachine.h" +#include "llvm-c/Core.h" +#include "llvm-c/Target.h" +#include "llvm/IR/DataLayout.h" +#include "llvm/IR/Module.h" +#include "llvm/PassManager.h" +#include "llvm/Support/CodeGen.h" +#include "llvm/Support/FormattedStream.h" +#include "llvm/Support/TargetRegistry.h" +#include "llvm/Support/raw_ostream.h" +#include "llvm/Target/TargetMachine.h" +#include <cassert> +#include <cstdlib> +#include <cstring> + +using namespace llvm; + +inline DataLayout *unwrap(LLVMTargetDataRef P) { + return reinterpret_cast<DataLayout*>(P); +} + +inline LLVMTargetDataRef wrap(const DataLayout *P) { + return reinterpret_cast<LLVMTargetDataRef>(const_cast<DataLayout*>(P)); +} + +inline TargetLibraryInfo *unwrap(LLVMTargetLibraryInfoRef P) { + return reinterpret_cast<TargetLibraryInfo*>(P); +} + +inline LLVMTargetLibraryInfoRef wrap(const TargetLibraryInfo *P) { + TargetLibraryInfo *X = const_cast<TargetLibraryInfo*>(P); + return reinterpret_cast<LLVMTargetLibraryInfoRef>(X); +} + +inline TargetMachine *unwrap(LLVMTargetMachineRef P) { + return reinterpret_cast<TargetMachine*>(P); +} +inline Target *unwrap(LLVMTargetRef P) { + return reinterpret_cast<Target*>(P); +} +inline LLVMTargetMachineRef wrap(const TargetMachine *P) { + return + reinterpret_cast<LLVMTargetMachineRef>(const_cast<TargetMachine*>(P)); +} +inline LLVMTargetRef wrap(const Target * P) { + return reinterpret_cast<LLVMTargetRef>(const_cast<Target*>(P)); +} + +LLVMTargetRef LLVMGetFirstTarget() { + const Target* target = &*TargetRegistry::begin(); + return wrap(target); +} +LLVMTargetRef LLVMGetNextTarget(LLVMTargetRef T) { + return wrap(unwrap(T)->getNext()); +} + +const char * LLVMGetTargetName(LLVMTargetRef T) { + return unwrap(T)->getName(); +} + +const char * LLVMGetTargetDescription(LLVMTargetRef T) { + return unwrap(T)->getShortDescription(); +} + +LLVMBool LLVMTargetHasJIT(LLVMTargetRef T) { + return unwrap(T)->hasJIT(); +} + +LLVMBool LLVMTargetHasTargetMachine(LLVMTargetRef T) { + return unwrap(T)->hasTargetMachine(); +} + +LLVMBool LLVMTargetHasAsmBackend(LLVMTargetRef T) { + return unwrap(T)->hasMCAsmBackend(); +} + +LLVMTargetMachineRef LLVMCreateTargetMachine(LLVMTargetRef T, char* Triple, + char* CPU, char* Features, LLVMCodeGenOptLevel Level, LLVMRelocMode Reloc, + LLVMCodeModel CodeModel) { + Reloc::Model RM; + switch (Reloc){ + case LLVMRelocStatic: + RM = Reloc::Static; + break; + case LLVMRelocPIC: + RM = Reloc::PIC_; + break; + case LLVMRelocDynamicNoPic: + RM = Reloc::DynamicNoPIC; + break; + default: + RM = Reloc::Default; + break; + } + + CodeModel::Model CM = unwrap(CodeModel); + + CodeGenOpt::Level OL; + switch (Level) { + case LLVMCodeGenLevelNone: + OL = CodeGenOpt::None; + break; + case LLVMCodeGenLevelLess: + OL = CodeGenOpt::Less; + break; + case LLVMCodeGenLevelAggressive: + OL = CodeGenOpt::Aggressive; + break; + default: + OL = CodeGenOpt::Default; + break; + } + + TargetOptions opt; + return wrap(unwrap(T)->createTargetMachine(Triple, CPU, Features, opt, RM, + CM, OL)); +} + + +void LLVMDisposeTargetMachine(LLVMTargetMachineRef T) { + delete unwrap(T); +} + +LLVMTargetRef LLVMGetTargetMachineTarget(LLVMTargetMachineRef T) { + const Target* target = &(unwrap(T)->getTarget()); + return wrap(target); +} + +char* LLVMGetTargetMachineTriple(LLVMTargetMachineRef T) { + std::string StringRep = unwrap(T)->getTargetTriple(); + return strdup(StringRep.c_str()); +} + +char* LLVMGetTargetMachineCPU(LLVMTargetMachineRef T) { + std::string StringRep = unwrap(T)->getTargetCPU(); + return strdup(StringRep.c_str()); +} + +char* LLVMGetTargetMachineFeatureString(LLVMTargetMachineRef T) { + std::string StringRep = unwrap(T)->getTargetFeatureString(); + return strdup(StringRep.c_str()); +} + +LLVMTargetDataRef LLVMGetTargetMachineData(LLVMTargetMachineRef T) { + return wrap(unwrap(T)->getDataLayout()); +} + +static LLVMBool LLVMTargetMachineEmit(LLVMTargetMachineRef T, LLVMModuleRef M, + formatted_raw_ostream &OS, LLVMCodeGenFileType codegen, char **ErrorMessage) { + TargetMachine* TM = unwrap(T); + Module* Mod = unwrap(M); + + PassManager pass; + + std::string error; + + const DataLayout* td = TM->getDataLayout(); + + if (!td) { + error = "No DataLayout in TargetMachine"; + *ErrorMessage = strdup(error.c_str()); + return true; + } + pass.add(new DataLayout(*td)); + + TargetMachine::CodeGenFileType ft; + switch (codegen) { + case LLVMAssemblyFile: + ft = TargetMachine::CGFT_AssemblyFile; + break; + default: + ft = TargetMachine::CGFT_ObjectFile; + break; + } + if (TM->addPassesToEmitFile(pass, OS, ft)) { + error = "TargetMachine can't emit a file of this type"; + *ErrorMessage = strdup(error.c_str()); + return true; + } + + pass.run(*Mod); + + OS.flush(); + return false; +} + +LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M, + char* Filename, LLVMCodeGenFileType codegen, char** ErrorMessage) { + std::string error; + raw_fd_ostream dest(Filename, error, raw_fd_ostream::F_Binary); + formatted_raw_ostream destf(dest); + if (!error.empty()) { + *ErrorMessage = strdup(error.c_str()); + return true; + } + bool Result = LLVMTargetMachineEmit(T, M, destf, codegen, ErrorMessage); + dest.flush(); + return Result; +} + +LLVMBool LLVMTargetMachineEmitToMemoryBuffer(LLVMTargetMachineRef T, + LLVMModuleRef M, LLVMCodeGenFileType codegen, char** ErrorMessage, + LLVMMemoryBufferRef *OutMemBuf) { + std::string CodeString; + raw_string_ostream OStream(CodeString); + formatted_raw_ostream Out(OStream); + bool Result = LLVMTargetMachineEmit(T, M, Out, codegen, ErrorMessage); + OStream.flush(); + + std::string &Data = OStream.str(); + *OutMemBuf = LLVMCreateMemoryBufferWithMemoryRangeCopy(Data.c_str(), + Data.length(), ""); + return Result; +} |