1 //===-- XCoreMCTargetDesc.cpp - XCore Target Descriptions -----------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file provides XCore specific target descriptions.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "XCoreMCTargetDesc.h"
15 #include "XCoreMCAsmInfo.h"
16 #include "llvm/MC/MCCodeGenInfo.h"
17 #include "llvm/MC/MCInstrInfo.h"
18 #include "llvm/MC/MCRegisterInfo.h"
19 #include "llvm/MC/MCSubtargetInfo.h"
20 #include "llvm/Support/ErrorHandling.h"
21 #include "llvm/Support/TargetRegistry.h"
22 
23 #define GET_INSTRINFO_MC_DESC
24 #include "XCoreGenInstrInfo.inc"
25 
26 #define GET_SUBTARGETINFO_MC_DESC
27 #include "XCoreGenSubtargetInfo.inc"
28 
29 #define GET_REGINFO_MC_DESC
30 #include "XCoreGenRegisterInfo.inc"
31 
32 using namespace llvm;
33 
34 static MCInstrInfo *createXCoreMCInstrInfo() {
35   MCInstrInfo *X = new MCInstrInfo();
36   InitXCoreMCInstrInfo(X);
37   return X;
38 }
39 
40 static MCRegisterInfo *createXCoreMCRegisterInfo(StringRef TT) {
41   MCRegisterInfo *X = new MCRegisterInfo();
42   InitXCoreMCRegisterInfo(X, XCore::LR);
43   return X;
44 }
45 
46 static MCSubtargetInfo *createXCoreMCSubtargetInfo(StringRef TT, StringRef CPU,
47                                                    StringRef FS) {
48   MCSubtargetInfo *X = new MCSubtargetInfo();
49   InitXCoreMCSubtargetInfo(X, TT, CPU, FS);
50   return X;
51 }
52 
53 static MCAsmInfo *createXCoreMCAsmInfo(const Target &T, StringRef TT) {
54   MCAsmInfo *MAI = new XCoreMCAsmInfo(T, TT);
55 
56   // Initial state of the frame pointer is SP.
57   MachineLocation Dst(MachineLocation::VirtualFP);
58   MachineLocation Src(XCore::SP, 0);
59   MAI->addInitialFrameState(0, Dst, Src);
60 
61   return MAI;
62 }
63 
64 static MCCodeGenInfo *createXCoreMCCodeGenInfo(StringRef TT, Reloc::Model RM,
65                                                CodeModel::Model CM,
66                                                CodeGenOpt::Level OL) {
67   MCCodeGenInfo *X = new MCCodeGenInfo();
68   X->InitMCCodeGenInfo(RM, CM, OL);
69   return X;
70 }
71 
72 // Force static initialization.
73 extern "C" void LLVMInitializeXCoreTargetMC() {
74   // Register the MC asm info.
75   RegisterMCAsmInfoFn X(TheXCoreTarget, createXCoreMCAsmInfo);
76 
77   // Register the MC codegen info.
78   TargetRegistry::RegisterMCCodeGenInfo(TheXCoreTarget,
79                                         createXCoreMCCodeGenInfo);
80 
81   // Register the MC instruction info.
82   TargetRegistry::RegisterMCInstrInfo(TheXCoreTarget, createXCoreMCInstrInfo);
83 
84   // Register the MC register info.
85   TargetRegistry::RegisterMCRegInfo(TheXCoreTarget, createXCoreMCRegisterInfo);
86 
87   // Register the MC subtarget info.
88   TargetRegistry::RegisterMCSubtargetInfo(TheXCoreTarget,
89                                           createXCoreMCSubtargetInfo);
90 }
91