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Evan Cheng3ddfbd32011-07-06 22:01:53 +00001//===-- X86MCTargetDesc.h - X86 Target Descriptions -------------*- C++ -*-===//
Evan Cheng24753312011-06-24 01:44:41 +00002//
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 X86 specific target descriptions.
11//
12//===----------------------------------------------------------------------===//
13
Evan Cheng3ddfbd32011-07-06 22:01:53 +000014#ifndef X86MCTARGETDESC_H
15#define X86MCTARGETDESC_H
Evan Chengb2681be2011-06-24 23:59:54 +000016
Oscar Fuentes47d4aaf2011-07-25 20:13:36 +000017#include "llvm/Support/DataTypes.h"
Evan Cheng13bcc6c2011-07-07 21:06:52 +000018#include <string>
19
Evan Chenge862d592011-06-24 20:42:09 +000020namespace llvm {
Evan Cheng7e763d82011-07-25 18:43:53 +000021class MCCodeEmitter;
22class MCContext;
23class MCInstrInfo;
Evan Chengb2531002011-07-25 19:33:48 +000024class MCObjectWriter;
Evan Chengd60fa58b2011-07-18 20:57:22 +000025class MCRegisterInfo;
Evan Cheng4d1ca962011-07-08 01:53:10 +000026class MCSubtargetInfo;
Evan Chenge862d592011-06-24 20:42:09 +000027class Target;
Evan Chengb2531002011-07-25 19:33:48 +000028class TargetAsmBackend;
Evan Cheng13bcc6c2011-07-07 21:06:52 +000029class StringRef;
Evan Chengb2531002011-07-25 19:33:48 +000030class raw_ostream;
Evan Chenge862d592011-06-24 20:42:09 +000031
32extern Target TheX86_32Target, TheX86_64Target;
Evan Cheng13bcc6c2011-07-07 21:06:52 +000033
Evan Chengd60fa58b2011-07-18 20:57:22 +000034/// DWARFFlavour - Flavour of dwarf regnumbers
35///
36namespace DWARFFlavour {
37 enum {
38 X86_64 = 0, X86_32_DarwinEH = 1, X86_32_Generic = 2
39 };
40}
41
42/// N86 namespace - Native X86 register numbers
43///
44namespace N86 {
45 enum {
46 EAX = 0, ECX = 1, EDX = 2, EBX = 3, ESP = 4, EBP = 5, ESI = 6, EDI = 7
47 };
48}
49
Evan Cheng13bcc6c2011-07-07 21:06:52 +000050namespace X86_MC {
51 std::string ParseX86Triple(StringRef TT);
52
53 /// GetCpuIDAndInfo - Execute the specified cpuid and return the 4 values in
54 /// the specified arguments. If we can't run cpuid on the host, return true.
55 bool GetCpuIDAndInfo(unsigned value, unsigned *rEAX,
56 unsigned *rEBX, unsigned *rECX, unsigned *rEDX);
57
58 void DetectFamilyModel(unsigned EAX, unsigned &Family, unsigned &Model);
Evan Cheng4d1ca962011-07-08 01:53:10 +000059
Evan Chengd60fa58b2011-07-18 20:57:22 +000060 unsigned getDwarfRegFlavour(StringRef TT, bool isEH);
61
62 unsigned getX86RegNum(unsigned RegNo);
63
64 void InitLLVM2SEHRegisterMapping(MCRegisterInfo *MRI);
65
66 /// createX86MCSubtargetInfo - Create a X86 MCSubtargetInfo instance.
Evan Cheng4d1ca962011-07-08 01:53:10 +000067 /// This is exposed so Asm parser, etc. do not need to go through
68 /// TargetRegistry.
69 MCSubtargetInfo *createX86MCSubtargetInfo(StringRef TT, StringRef CPU,
70 StringRef FS);
Evan Cheng13bcc6c2011-07-07 21:06:52 +000071}
Evan Cheng4d1ca962011-07-08 01:53:10 +000072
Evan Cheng7e763d82011-07-25 18:43:53 +000073MCCodeEmitter *createX86MCCodeEmitter(const MCInstrInfo &MCII,
74 const MCSubtargetInfo &STI,
75 MCContext &Ctx);
76
Evan Chengb2531002011-07-25 19:33:48 +000077TargetAsmBackend *createX86_32AsmBackend(const Target &, const std::string &);
78TargetAsmBackend *createX86_64AsmBackend(const Target &, const std::string &);
79
80/// createX86MachObjectWriter - Construct an X86 Mach-O object writer.
81MCObjectWriter *createX86MachObjectWriter(raw_ostream &OS,
82 bool Is64Bit,
83 uint32_t CPUType,
84 uint32_t CPUSubtype);
Evan Cheng7e763d82011-07-25 18:43:53 +000085
Evan Chenge862d592011-06-24 20:42:09 +000086} // End llvm namespace
87
Evan Cheng4d1ca962011-07-08 01:53:10 +000088
Evan Cheng24753312011-06-24 01:44:41 +000089// Defines symbolic names for X86 registers. This defines a mapping from
90// register name to register number.
91//
Evan Chengd9997ac2011-06-27 18:32:37 +000092#define GET_REGINFO_ENUM
93#include "X86GenRegisterInfo.inc"
Evan Chengb2681be2011-06-24 23:59:54 +000094
Evan Cheng1e210d02011-06-28 20:07:07 +000095// Defines symbolic names for the X86 instructions.
96//
97#define GET_INSTRINFO_ENUM
98#include "X86GenInstrInfo.inc"
99
Evan Chengbc153d42011-07-14 20:59:42 +0000100#define GET_SUBTARGETINFO_ENUM
101#include "X86GenSubtargetInfo.inc"
102
Evan Chengb2681be2011-06-24 23:59:54 +0000103#endif