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binary and assembly. Patch by Carlo Kok. Emitting was inspired by but not based on the D llvm bindings. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154493 91177308-0d34-0410-b5e6-96231b3b80d8
198 lines
4.8 KiB
C++
198 lines
4.8 KiB
C++
//===-- TargetMachine.cpp -------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the LLVM-C part of TargetMachine.h
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//
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//===----------------------------------------------------------------------===//
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#include "llvm-c/Core.h"
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#include "llvm-c/Target.h"
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#include "llvm-c/TargetMachine.h"
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#include "llvm/Target/TargetData.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Support/TargetRegistry.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/CodeGen.h"
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#include "llvm/Support/FormattedStream.h"
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#include "llvm/Module.h"
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#include "llvm/PassManager.h"
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#include <cassert>
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#include <cstdlib>
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#include <cstring>
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using namespace llvm;
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LLVMTargetRef LLVMGetFirstTarget() {
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const Target* target = &*TargetRegistry::begin();
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return wrap(target);
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}
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LLVMTargetRef LLVMGetNextTarget(LLVMTargetRef T) {
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return wrap(unwrap(T)->getNext());
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}
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const char * LLVMGetTargetName(LLVMTargetRef T) {
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return unwrap(T)->getName();
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}
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const char * LLVMGetTargetDescription(LLVMTargetRef T) {
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return unwrap(T)->getShortDescription();
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}
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LLVMBool LLVMTargetHasJIT(LLVMTargetRef T) {
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return unwrap(T)->hasJIT();
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}
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LLVMBool LLVMTargetHasTargetMachine(LLVMTargetRef T) {
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return unwrap(T)->hasTargetMachine();
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}
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LLVMBool LLVMTargetHasAsmBackend(LLVMTargetRef T) {
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return unwrap(T)->hasMCAsmBackend();
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}
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LLVMTargetMachineRef LLVMCreateTargetMachine(LLVMTargetRef T, char* Triple,
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char* CPU, char* Features, LLVMCodeGenOptLevel Level, LLVMRelocMode Reloc,
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LLVMCodeModel CodeModel) {
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Reloc::Model RM;
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switch (Reloc){
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case LLVMRelocStatic:
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RM = Reloc::Static;
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break;
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case LLVMRelocPIC:
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RM = Reloc::PIC_;
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break;
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case LLVMRelocDynamicNoPic:
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RM = Reloc::DynamicNoPIC;
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break;
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default:
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RM = Reloc::Default;
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break;
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}
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CodeModel::Model CM;
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switch (CodeModel) {
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case LLVMCodeModelJITDefault:
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CM = CodeModel::JITDefault;
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break;
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case LLVMCodeModelSmall:
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CM = CodeModel::Small;
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break;
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case LLVMCodeModelKernel:
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CM = CodeModel::Kernel;
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break;
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case LLVMCodeModelMedium:
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CM = CodeModel::Medium;
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break;
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case LLVMCodeModelLarge:
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CM = CodeModel::Large;
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break;
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default:
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CM = CodeModel::Default;
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break;
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}
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CodeGenOpt::Level OL;
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switch (Level) {
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case LLVMCodeGenLevelNone:
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OL = CodeGenOpt::None;
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break;
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case LLVMCodeGenLevelLess:
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OL = CodeGenOpt::Less;
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break;
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case LLVMCodeGenLevelAggressive:
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OL = CodeGenOpt::Aggressive;
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break;
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default:
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OL = CodeGenOpt::Default;
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break;
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}
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TargetOptions opt;
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return wrap(unwrap(T)->createTargetMachine(Triple, CPU, Features, opt, RM,
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CM, OL));
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}
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void LLVMDisposeTargetMachine(LLVMTargetMachineRef T) {
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delete unwrap(T);
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}
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LLVMTargetRef LLVMGetTargetMachineTarget(LLVMTargetMachineRef T) {
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const Target* target = &(unwrap(T)->getTarget());
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return wrap(target);
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}
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char* LLVMGetTargetMachineTriple(LLVMTargetMachineRef T) {
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std::string StringRep = unwrap(T)->getTargetTriple();
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return strdup(StringRep.c_str());
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}
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char* LLVMGetTargetMachineCPU(LLVMTargetMachineRef T) {
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std::string StringRep = unwrap(T)->getTargetCPU();
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return strdup(StringRep.c_str());
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}
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char* LLVMGetTargetMachineFeatureString(LLVMTargetMachineRef T) {
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std::string StringRep = unwrap(T)->getTargetFeatureString();
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return strdup(StringRep.c_str());
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}
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LLVMTargetDataRef LLVMGetTargetMachineData(LLVMTargetMachineRef T) {
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return wrap(unwrap(T)->getTargetData());
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}
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LLVMBool LLVMTargetMachineEmitToFile(LLVMTargetMachineRef T, LLVMModuleRef M,
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char* Filename, LLVMCodeGenFileType codegen, char** ErrorMessage) {
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TargetMachine* TM = unwrap(T);
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Module* Mod = unwrap(M);
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PassManager pass;
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std::string error;
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const TargetData* td = TM->getTargetData();
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if (!td) {
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error = "No TargetData in TargetMachine";
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*ErrorMessage = strdup(error.c_str());
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return true;
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}
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pass.add(new TargetData(*td));
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TargetMachine::CodeGenFileType ft;
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switch (codegen) {
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case LLVMAssemblyFile:
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ft = TargetMachine::CGFT_AssemblyFile;
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break;
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default:
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ft = TargetMachine::CGFT_ObjectFile;
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break;
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}
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raw_fd_ostream dest(Filename, error, raw_fd_ostream::F_Binary);
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formatted_raw_ostream destf(dest);
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if (!error.empty()) {
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*ErrorMessage = strdup(error.c_str());
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return true;
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}
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if (TM->addPassesToEmitFile(pass, destf, ft)) {
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error = "No TargetData in TargetMachine";
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*ErrorMessage = strdup(error.c_str());
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return true;
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}
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pass.run(*Mod);
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destf.flush();
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dest.flush();
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return false;
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}
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