126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
//===-- MipsBaseInfo.h - Top level definitions for MIPS MC ------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains small standalone helper functions and enum definitions for
|
|
// the Mips target useful for the compiler back-end and the MC libraries.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#ifndef LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSBASEINFO_H
|
|
#define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSBASEINFO_H
|
|
|
|
#include "MipsFixupKinds.h"
|
|
#include "MipsMCTargetDesc.h"
|
|
#include "llvm/MC/MCExpr.h"
|
|
#include "llvm/Support/DataTypes.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
|
|
namespace llvm {
|
|
|
|
/// MipsII - This namespace holds all of the target specific flags that
|
|
/// instruction info tracks.
|
|
///
|
|
namespace MipsII {
|
|
/// Target Operand Flag enum.
|
|
enum TOF {
|
|
//===------------------------------------------------------------------===//
|
|
// Mips Specific MachineOperand flags.
|
|
|
|
MO_NO_FLAG,
|
|
|
|
/// MO_GOT16 - Represents the offset into the global offset table at which
|
|
/// the address the relocation entry symbol resides during execution.
|
|
MO_GOT16,
|
|
MO_GOT,
|
|
|
|
/// MO_GOT_CALL - Represents the offset into the global offset table at
|
|
/// which the address of a call site relocation entry symbol resides
|
|
/// during execution. This is different from the above since this flag
|
|
/// can only be present in call instructions.
|
|
MO_GOT_CALL,
|
|
|
|
/// MO_GPREL - Represents the offset from the current gp value to be used
|
|
/// for the relocatable object file being produced.
|
|
MO_GPREL,
|
|
|
|
/// MO_ABS_HI/LO - Represents the hi or low part of an absolute symbol
|
|
/// address.
|
|
MO_ABS_HI,
|
|
MO_ABS_LO,
|
|
|
|
/// MO_TLSGD - Represents the offset into the global offset table at which
|
|
// the module ID and TSL block offset reside during execution (General
|
|
// Dynamic TLS).
|
|
MO_TLSGD,
|
|
|
|
/// MO_TLSLDM - Represents the offset into the global offset table at which
|
|
// the module ID and TSL block offset reside during execution (Local
|
|
// Dynamic TLS).
|
|
MO_TLSLDM,
|
|
MO_DTPREL_HI,
|
|
MO_DTPREL_LO,
|
|
|
|
/// MO_GOTTPREL - Represents the offset from the thread pointer (Initial
|
|
// Exec TLS).
|
|
MO_GOTTPREL,
|
|
|
|
/// MO_TPREL_HI/LO - Represents the hi and low part of the offset from
|
|
// the thread pointer (Local Exec TLS).
|
|
MO_TPREL_HI,
|
|
MO_TPREL_LO,
|
|
|
|
// N32/64 Flags.
|
|
MO_GPOFF_HI,
|
|
MO_GPOFF_LO,
|
|
MO_GOT_DISP,
|
|
MO_GOT_PAGE,
|
|
MO_GOT_OFST,
|
|
|
|
/// MO_HIGHER/HIGHEST - Represents the highest or higher half word of a
|
|
/// 64-bit symbol address.
|
|
MO_HIGHER,
|
|
MO_HIGHEST,
|
|
|
|
/// MO_GOT_HI16/LO16, MO_CALL_HI16/LO16 - Relocations used for large GOTs.
|
|
MO_GOT_HI16,
|
|
MO_GOT_LO16,
|
|
MO_CALL_HI16,
|
|
MO_CALL_LO16
|
|
};
|
|
|
|
enum {
|
|
//===------------------------------------------------------------------===//
|
|
// Instruction encodings. These are the standard/most common forms for
|
|
// Mips instructions.
|
|
//
|
|
|
|
// Pseudo - This represents an instruction that is a pseudo instruction
|
|
// or one that has not been implemented yet. It is illegal to code generate
|
|
// it, but tolerated for intermediate implementation stages.
|
|
Pseudo = 0,
|
|
|
|
/// FrmR - This form is for instructions of the format R.
|
|
FrmR = 1,
|
|
/// FrmI - This form is for instructions of the format I.
|
|
FrmI = 2,
|
|
/// FrmJ - This form is for instructions of the format J.
|
|
FrmJ = 3,
|
|
/// FrmFR - This form is for instructions of the format FR.
|
|
FrmFR = 4,
|
|
/// FrmFI - This form is for instructions of the format FI.
|
|
FrmFI = 5,
|
|
/// FrmOther - This form is for instructions that have no specific format.
|
|
FrmOther = 6,
|
|
|
|
FormMask = 15
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif
|