LLVM  3.7.0
MipsBaseInfo.h
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1 //===-- MipsBaseInfo.h - Top level definitions for MIPS MC ------*- C++ -*-===//
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 contains small standalone helper functions and enum definitions for
11 // the Mips target useful for the compiler back-end and the MC libraries.
12 //
13 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSBASEINFO_H
15 #define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSBASEINFO_H
16 
17 #include "MipsFixupKinds.h"
18 #include "MipsMCTargetDesc.h"
19 #include "llvm/MC/MCExpr.h"
20 #include "llvm/Support/DataTypes.h"
22 
23 namespace llvm {
24 
25 /// MipsII - This namespace holds all of the target specific flags that
26 /// instruction info tracks.
27 ///
28 namespace MipsII {
29  /// Target Operand Flag enum.
30  enum TOF {
31  //===------------------------------------------------------------------===//
32  // Mips Specific MachineOperand flags.
33 
35 
36  /// MO_GOT16 - Represents the offset into the global offset table at which
37  /// the address the relocation entry symbol resides during execution.
40 
41  /// MO_GOT_CALL - Represents the offset into the global offset table at
42  /// which the address of a call site relocation entry symbol resides
43  /// during execution. This is different from the above since this flag
44  /// can only be present in call instructions.
46 
47  /// MO_GPREL - Represents the offset from the current gp value to be used
48  /// for the relocatable object file being produced.
50 
51  /// MO_ABS_HI/LO - Represents the hi or low part of an absolute symbol
52  /// address.
55 
56  /// MO_TLSGD - Represents the offset into the global offset table at which
57  // the module ID and TSL block offset reside during execution (General
58  // Dynamic TLS).
60 
61  /// MO_TLSLDM - Represents the offset into the global offset table at which
62  // the module ID and TSL block offset reside during execution (Local
63  // Dynamic TLS).
67 
68  /// MO_GOTTPREL - Represents the offset from the thread pointer (Initial
69  // Exec TLS).
71 
72  /// MO_TPREL_HI/LO - Represents the hi and low part of the offset from
73  // the thread pointer (Local Exec TLS).
76 
77  // N32/64 Flags.
83 
84  /// MO_HIGHER/HIGHEST - Represents the highest or higher half word of a
85  /// 64-bit symbol address.
88 
89  /// MO_GOT_HI16/LO16, MO_CALL_HI16/LO16 - Relocations used for large GOTs.
94  };
95 
96  enum {
97  //===------------------------------------------------------------------===//
98  // Instruction encodings. These are the standard/most common forms for
99  // Mips instructions.
100  //
101 
102  // Pseudo - This represents an instruction that is a pseudo instruction
103  // or one that has not been implemented yet. It is illegal to code generate
104  // it, but tolerated for intermediate implementation stages.
105  Pseudo = 0,
106 
107  /// FrmR - This form is for instructions of the format R.
108  FrmR = 1,
109  /// FrmI - This form is for instructions of the format I.
110  FrmI = 2,
111  /// FrmJ - This form is for instructions of the format J.
112  FrmJ = 3,
113  /// FrmFR - This form is for instructions of the format FR.
114  FrmFR = 4,
115  /// FrmFI - This form is for instructions of the format FI.
116  FrmFI = 5,
117  /// FrmOther - This form is for instructions that have no specific format.
118  FrmOther = 6,
119 
120  FormMask = 15
121  };
122 }
123 }
124 
125 #endif
MO_TLSLDM - Represents the offset into the global offset table at which.
Definition: MipsBaseInfo.h:64
MO_HIGHER/HIGHEST - Represents the highest or higher half word of a 64-bit symbol address...
Definition: MipsBaseInfo.h:86
FrmFI - This form is for instructions of the format FI.
Definition: MipsBaseInfo.h:116
MO_GOT_HI16/LO16, MO_CALL_HI16/LO16 - Relocations used for large GOTs.
Definition: MipsBaseInfo.h:90
MO_TLSGD - Represents the offset into the global offset table at which.
Definition: MipsBaseInfo.h:59
FrmI - This form is for instructions of the format I.
Definition: MipsBaseInfo.h:110
MO_ABS_HI/LO - Represents the hi or low part of an absolute symbol address.
Definition: MipsBaseInfo.h:53
FrmR - This form is for instructions of the format R.
Definition: MipsBaseInfo.h:108
MO_GPREL - Represents the offset from the current gp value to be used for the relocatable object file...
Definition: MipsBaseInfo.h:49
MO_GOT_CALL - Represents the offset into the global offset table at which the address of a call site ...
Definition: MipsBaseInfo.h:45
MO_GOTTPREL - Represents the offset from the thread pointer (Initial.
Definition: MipsBaseInfo.h:70
MO_GOT16 - Represents the offset into the global offset table at which the address the relocation ent...
Definition: MipsBaseInfo.h:38
FrmOther - This form is for instructions that have no specific format.
Definition: MipsBaseInfo.h:118
FrmFR - This form is for instructions of the format FR.
Definition: MipsBaseInfo.h:114
MO_TPREL_HI/LO - Represents the hi and low part of the offset from.
Definition: MipsBaseInfo.h:74
FrmJ - This form is for instructions of the format J.
Definition: MipsBaseInfo.h:112
TOF
Target Operand Flag enum.
Definition: MipsBaseInfo.h:30