llvm-6502/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.h
Evan Cheng 0e6a052331 Sink getDwarfRegNum, getLLVMRegNum, getSEHRegNum from TargetRegisterInfo down
to MCRegisterInfo. Also initialize the mapping at construction time.

This patch eliminate TargetRegisterInfo from TargetAsmInfo. It's another step
towards fixing the layering violation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135424 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-18 20:57:22 +00:00

84 lines
2.2 KiB
C++

//===-- X86MCTargetDesc.h - X86 Target Descriptions -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides X86 specific target descriptions.
//
//===----------------------------------------------------------------------===//
#ifndef X86MCTARGETDESC_H
#define X86MCTARGETDESC_H
#include <string>
namespace llvm {
class MCRegisterInfo;
class MCSubtargetInfo;
class Target;
class StringRef;
extern Target TheX86_32Target, TheX86_64Target;
/// DWARFFlavour - Flavour of dwarf regnumbers
///
namespace DWARFFlavour {
enum {
X86_64 = 0, X86_32_DarwinEH = 1, X86_32_Generic = 2
};
}
/// N86 namespace - Native X86 register numbers
///
namespace N86 {
enum {
EAX = 0, ECX = 1, EDX = 2, EBX = 3, ESP = 4, EBP = 5, ESI = 6, EDI = 7
};
}
namespace X86_MC {
std::string ParseX86Triple(StringRef TT);
/// GetCpuIDAndInfo - Execute the specified cpuid and return the 4 values in
/// the specified arguments. If we can't run cpuid on the host, return true.
bool GetCpuIDAndInfo(unsigned value, unsigned *rEAX,
unsigned *rEBX, unsigned *rECX, unsigned *rEDX);
void DetectFamilyModel(unsigned EAX, unsigned &Family, unsigned &Model);
unsigned getDwarfRegFlavour(StringRef TT, bool isEH);
unsigned getX86RegNum(unsigned RegNo);
void InitLLVM2SEHRegisterMapping(MCRegisterInfo *MRI);
/// createX86MCSubtargetInfo - Create a X86 MCSubtargetInfo instance.
/// This is exposed so Asm parser, etc. do not need to go through
/// TargetRegistry.
MCSubtargetInfo *createX86MCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS);
}
} // End llvm namespace
// Defines symbolic names for X86 registers. This defines a mapping from
// register name to register number.
//
#define GET_REGINFO_ENUM
#include "X86GenRegisterInfo.inc"
// Defines symbolic names for the X86 instructions.
//
#define GET_INSTRINFO_ENUM
#include "X86GenInstrInfo.inc"
#define GET_SUBTARGETINFO_ENUM
#include "X86GenSubtargetInfo.inc"
#endif