X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMCTargetDesc%2FMipsMCTargetDesc.cpp;h=949ee1474f96ac8779ca5168e814e005b2ae75c9;hb=cac05d9b5837f7d5bc73d9d87b555ca9e562d351;hp=229d676a81632f998b441c200903eb83a6a9aa27;hpb=c60f9b752381baa6c4b80c0739034660f1748c84;p=oota-llvm.git

diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
index 229d676a816..949ee1474f9 100644
--- a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
@@ -1,4 +1,4 @@
-//===-- MipsMCTargetDesc.cpp - Mips Target Descriptions ---------*- C++ -*-===//
+//===-- MipsMCTargetDesc.cpp - Mips Target Descriptions -------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -11,11 +11,26 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "InstPrinter/MipsInstPrinter.h"
+#include "MipsELFStreamer.h"
+#include "MipsMCAsmInfo.h"
+#include "MipsMCNaCl.h"
 #include "MipsMCTargetDesc.h"
+#include "MipsTargetStreamer.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/MC/MCCodeGenInfo.h"
+#include "llvm/MC/MCELFStreamer.h"
 #include "llvm/MC/MCInstrInfo.h"
 #include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/Target/TargetRegistry.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MachineLocation.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/TargetRegistry.h"
+
+using namespace llvm;
 
 #define GET_INSTRINFO_MC_DESC
 #include "MipsGenInstrInfo.inc"
@@ -26,27 +41,143 @@
 #define GET_REGINFO_MC_DESC
 #include "MipsGenRegisterInfo.inc"
 
-using namespace llvm;
+/// Select the Mips CPU for the given triple and cpu name.
+/// FIXME: Merge with the copy in MipsSubtarget.cpp
+StringRef MIPS_MC::selectMipsCPU(const Triple &TT, StringRef CPU) {
+  if (CPU.empty() || CPU == "generic") {
+    if (TT.getArch() == Triple::mips || TT.getArch() == Triple::mipsel)
+      CPU = "mips32";
+    else
+      CPU = "mips64";
+  }
+  return CPU;
+}
 
-MCInstrInfo *createMipsMCInstrInfo() {
+static MCInstrInfo *createMipsMCInstrInfo() {
   MCInstrInfo *X = new MCInstrInfo();
   InitMipsMCInstrInfo(X);
   return X;
 }
 
-extern "C" void LLVMInitializeMipsMCInstrInfo() {
-  TargetRegistry::RegisterMCInstrInfo(TheMipsTarget, createMipsMCInstrInfo);
+static MCRegisterInfo *createMipsMCRegisterInfo(const Triple &TT) {
+  MCRegisterInfo *X = new MCRegisterInfo();
+  InitMipsMCRegisterInfo(X, Mips::RA);
+  return X;
 }
 
+static MCSubtargetInfo *createMipsMCSubtargetInfo(const Triple &TT,
+                                                  StringRef CPU, StringRef FS) {
+  CPU = MIPS_MC::selectMipsCPU(TT, CPU);
+  return createMipsMCSubtargetInfoImpl(TT, CPU, FS);
+}
+
+static MCAsmInfo *createMipsMCAsmInfo(const MCRegisterInfo &MRI,
+                                      const Triple &TT) {
+  MCAsmInfo *MAI = new MipsMCAsmInfo(TT);
 
-MCSubtargetInfo *createMipsMCSubtargetInfo(StringRef TT, StringRef CPU,
-                                           StringRef FS) {
-  MCSubtargetInfo *X = new MCSubtargetInfo();
-  InitMipsMCSubtargetInfo(X, TT, CPU, FS);
+  unsigned SP = MRI.getDwarfRegNum(Mips::SP, true);
+  MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, SP, 0);
+  MAI->addInitialFrameState(Inst);
+
+  return MAI;
+}
+
+static MCCodeGenInfo *createMipsMCCodeGenInfo(const Triple &TT, Reloc::Model RM,
+                                              CodeModel::Model CM,
+                                              CodeGenOpt::Level OL) {
+  MCCodeGenInfo *X = new MCCodeGenInfo();
+  if (CM == CodeModel::JITDefault)
+    RM = Reloc::Static;
+  else if (RM == Reloc::Default)
+    RM = Reloc::PIC_;
+  X->initMCCodeGenInfo(RM, CM, OL);
   return X;
 }
 
-extern "C" void LLVMInitializeMipsMCSubtargetInfo() {
-  TargetRegistry::RegisterMCSubtargetInfo(TheMipsTarget,
-                                          createMipsMCSubtargetInfo);
+static MCInstPrinter *createMipsMCInstPrinter(const Triple &T,
+                                              unsigned SyntaxVariant,
+                                              const MCAsmInfo &MAI,
+                                              const MCInstrInfo &MII,
+                                              const MCRegisterInfo &MRI) {
+  return new MipsInstPrinter(MAI, MII, MRI);
+}
+
+static MCStreamer *createMCStreamer(const Triple &T, MCContext &Context,
+                                    MCAsmBackend &MAB, raw_pwrite_stream &OS,
+                                    MCCodeEmitter *Emitter, bool RelaxAll) {
+  MCStreamer *S;
+  if (!T.isOSNaCl())
+    S = createMipsELFStreamer(Context, MAB, OS, Emitter, RelaxAll);
+  else
+    S = createMipsNaClELFStreamer(Context, MAB, OS, Emitter, RelaxAll);
+  return S;
+}
+
+static MCTargetStreamer *createMipsAsmTargetStreamer(MCStreamer &S,
+                                                     formatted_raw_ostream &OS,
+                                                     MCInstPrinter *InstPrint,
+                                                     bool isVerboseAsm) {
+  return new MipsTargetAsmStreamer(S, OS);
+}
+
+static MCTargetStreamer *createMipsNullTargetStreamer(MCStreamer &S) {
+  return new MipsTargetStreamer(S);
+}
+
+static MCTargetStreamer *
+createMipsObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
+  return new MipsTargetELFStreamer(S, STI);
+}
+
+extern "C" void LLVMInitializeMipsTargetMC() {
+  for (Target *T : {&TheMipsTarget, &TheMipselTarget, &TheMips64Target,
+                    &TheMips64elTarget}) {
+    // Register the MC asm info.
+    RegisterMCAsmInfoFn X(*T, createMipsMCAsmInfo);
+
+    // Register the MC codegen info.
+    TargetRegistry::RegisterMCCodeGenInfo(*T, createMipsMCCodeGenInfo);
+
+    // Register the MC instruction info.
+    TargetRegistry::RegisterMCInstrInfo(*T, createMipsMCInstrInfo);
+
+    // Register the MC register info.
+    TargetRegistry::RegisterMCRegInfo(*T, createMipsMCRegisterInfo);
+
+    // Register the elf streamer.
+    TargetRegistry::RegisterELFStreamer(*T, createMCStreamer);
+
+    // Register the asm target streamer.
+    TargetRegistry::RegisterAsmTargetStreamer(*T, createMipsAsmTargetStreamer);
+
+    TargetRegistry::RegisterNullTargetStreamer(*T,
+                                               createMipsNullTargetStreamer);
+
+    // Register the MC subtarget info.
+    TargetRegistry::RegisterMCSubtargetInfo(*T, createMipsMCSubtargetInfo);
+
+    // Register the MCInstPrinter.
+    TargetRegistry::RegisterMCInstPrinter(*T, createMipsMCInstPrinter);
+
+    TargetRegistry::RegisterObjectTargetStreamer(
+        *T, createMipsObjectTargetStreamer);
+  }
+
+  // Register the MC Code Emitter
+  for (Target *T : {&TheMipsTarget, &TheMips64Target})
+    TargetRegistry::RegisterMCCodeEmitter(*T, createMipsMCCodeEmitterEB);
+
+  for (Target *T : {&TheMipselTarget, &TheMips64elTarget})
+    TargetRegistry::RegisterMCCodeEmitter(*T, createMipsMCCodeEmitterEL);
+
+  // Register the asm backend.
+  TargetRegistry::RegisterMCAsmBackend(TheMipsTarget,
+                                       createMipsAsmBackendEB32);
+  TargetRegistry::RegisterMCAsmBackend(TheMipselTarget,
+                                       createMipsAsmBackendEL32);
+  TargetRegistry::RegisterMCAsmBackend(TheMips64Target,
+                                       createMipsAsmBackendEB64);
+  TargetRegistry::RegisterMCAsmBackend(TheMips64elTarget,
+                                       createMipsAsmBackendEL64);
+
 }