[ARM] Prevent generating NEON stack accesses under MVE.
[llvm-complete.git] / tools / llvm-readobj / ARMWinEHPrinter.h
blob5de7062cb1d7b9d93a5510fa103fe4923fe60b1e
1 //===--- ARMWinEHPrinter.h - Windows on ARM Unwind Information Printer ----===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_TOOLS_LLVM_READOBJ_ARMWINEHPRINTER_H
10 #define LLVM_TOOLS_LLVM_READOBJ_ARMWINEHPRINTER_H
12 #include "llvm/Object/COFF.h"
13 #include "llvm/Support/ErrorOr.h"
14 #include "llvm/Support/ScopedPrinter.h"
16 namespace llvm {
17 namespace ARM {
18 namespace WinEH {
19 class RuntimeFunction;
21 class Decoder {
22 static const size_t PDataEntrySize;
24 ScopedPrinter &SW;
25 raw_ostream &OS;
26 bool isAArch64;
28 struct RingEntry {
29 uint8_t Mask;
30 uint8_t Value;
31 uint8_t Length;
32 bool (Decoder::*Routine)(const uint8_t *, unsigned &, unsigned, bool);
34 static const RingEntry Ring[];
35 static const RingEntry Ring64[];
37 bool opcode_0xxxxxxx(const uint8_t *Opcodes, unsigned &Offset,
38 unsigned Length, bool Prologue);
39 bool opcode_10Lxxxxx(const uint8_t *Opcodes, unsigned &Offset,
40 unsigned Length, bool Prologue);
41 bool opcode_1100xxxx(const uint8_t *Opcodes, unsigned &Offset,
42 unsigned Length, bool Prologue);
43 bool opcode_11010Lxx(const uint8_t *Opcodes, unsigned &Offset,
44 unsigned Length, bool Prologue);
45 bool opcode_11011Lxx(const uint8_t *Opcodes, unsigned &Offset,
46 unsigned Length, bool Prologue);
47 bool opcode_11100xxx(const uint8_t *Opcodes, unsigned &Offset,
48 unsigned Length, bool Prologue);
49 bool opcode_111010xx(const uint8_t *Opcodes, unsigned &Offset,
50 unsigned Length, bool Prologue);
51 bool opcode_1110110L(const uint8_t *Opcodes, unsigned &Offset,
52 unsigned Length, bool Prologue);
53 bool opcode_11101110(const uint8_t *Opcodes, unsigned &Offset,
54 unsigned Length, bool Prologue);
55 bool opcode_11101111(const uint8_t *Opcodes, unsigned &Offset,
56 unsigned Length, bool Prologue);
57 bool opcode_11110101(const uint8_t *Opcodes, unsigned &Offset,
58 unsigned Length, bool Prologue);
59 bool opcode_11110110(const uint8_t *Opcodes, unsigned &Offset,
60 unsigned Length, bool Prologue);
61 bool opcode_11110111(const uint8_t *Opcodes, unsigned &Offset,
62 unsigned Length, bool Prologue);
63 bool opcode_11111000(const uint8_t *Opcodes, unsigned &Offset,
64 unsigned Length, bool Prologue);
65 bool opcode_11111001(const uint8_t *Opcodes, unsigned &Offset,
66 unsigned Length, bool Prologue);
67 bool opcode_11111010(const uint8_t *Opcodes, unsigned &Offset,
68 unsigned Length, bool Prologue);
69 bool opcode_11111011(const uint8_t *Opcodes, unsigned &Offset,
70 unsigned Length, bool Prologue);
71 bool opcode_11111100(const uint8_t *Opcodes, unsigned &Offset,
72 unsigned Length, bool Prologue);
73 bool opcode_11111101(const uint8_t *Opcodes, unsigned &Offset,
74 unsigned Length, bool Prologue);
75 bool opcode_11111110(const uint8_t *Opcodes, unsigned &Offset,
76 unsigned Length, bool Prologue);
77 bool opcode_11111111(const uint8_t *Opcodes, unsigned &Offset,
78 unsigned Length, bool Prologue);
80 // ARM64 unwind codes start here.
81 bool opcode_alloc_s(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
82 bool Prologue);
83 bool opcode_save_r19r20_x(const uint8_t *Opcodes, unsigned &Offset,
84 unsigned Length, bool Prologue);
85 bool opcode_save_fplr(const uint8_t *Opcodes, unsigned &Offset,
86 unsigned Length, bool Prologue);
87 bool opcode_save_fplr_x(const uint8_t *Opcodes, unsigned &Offset,
88 unsigned Length, bool Prologue);
89 bool opcode_alloc_m(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
90 bool Prologue);
91 bool opcode_save_regp(const uint8_t *Opcodes, unsigned &Offset,
92 unsigned Length, bool Prologue);
93 bool opcode_save_regp_x(const uint8_t *Opcodes, unsigned &Offset,
94 unsigned Length, bool Prologue);
95 bool opcode_save_reg(const uint8_t *Opcodes, unsigned &Offset,
96 unsigned Length, bool Prologue);
97 bool opcode_save_reg_x(const uint8_t *Opcodes, unsigned &Offset,
98 unsigned Length, bool Prologue);
99 bool opcode_save_lrpair(const uint8_t *Opcodes, unsigned &Offset,
100 unsigned Length, bool Prologue);
101 bool opcode_save_fregp(const uint8_t *Opcodes, unsigned &Offset,
102 unsigned Length, bool Prologue);
103 bool opcode_save_fregp_x(const uint8_t *Opcodes, unsigned &Offset,
104 unsigned Length, bool Prologue);
105 bool opcode_save_freg(const uint8_t *Opcodes, unsigned &Offset,
106 unsigned Length, bool Prologue);
107 bool opcode_save_freg_x(const uint8_t *Opcodes, unsigned &Offset,
108 unsigned Length, bool Prologue);
109 bool opcode_alloc_l(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
110 bool Prologue);
111 bool opcode_setfp(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
112 bool Prologue);
113 bool opcode_addfp(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
114 bool Prologue);
115 bool opcode_nop(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
116 bool Prologue);
117 bool opcode_end(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
118 bool Prologue);
119 bool opcode_end_c(const uint8_t *Opcodes, unsigned &Offset, unsigned Length,
120 bool Prologue);
121 bool opcode_save_next(const uint8_t *Opcodes, unsigned &Offset,
122 unsigned Length, bool Prologue);
124 void decodeOpcodes(ArrayRef<uint8_t> Opcodes, unsigned Offset,
125 bool Prologue);
127 void printRegisters(const std::pair<uint16_t, uint32_t> &RegisterMask);
129 ErrorOr<object::SectionRef>
130 getSectionContaining(const object::COFFObjectFile &COFF, uint64_t Address);
132 ErrorOr<object::SymbolRef>
133 getSymbol(const object::COFFObjectFile &COFF, uint64_t Address,
134 bool FunctionOnly = false);
136 ErrorOr<object::SymbolRef>
137 getRelocatedSymbol(const object::COFFObjectFile &COFF,
138 const object::SectionRef &Section, uint64_t Offset);
140 bool dumpXDataRecord(const object::COFFObjectFile &COFF,
141 const object::SectionRef &Section,
142 uint64_t FunctionAddress, uint64_t VA);
143 bool dumpUnpackedEntry(const object::COFFObjectFile &COFF,
144 const object::SectionRef Section, uint64_t Offset,
145 unsigned Index, const RuntimeFunction &Entry);
146 bool dumpPackedEntry(const object::COFFObjectFile &COFF,
147 const object::SectionRef Section, uint64_t Offset,
148 unsigned Index, const RuntimeFunction &Entry);
149 bool dumpProcedureDataEntry(const object::COFFObjectFile &COFF,
150 const object::SectionRef Section, unsigned Entry,
151 ArrayRef<uint8_t> Contents);
152 void dumpProcedureData(const object::COFFObjectFile &COFF,
153 const object::SectionRef Section);
155 public:
156 Decoder(ScopedPrinter &SW, bool isAArch64) : SW(SW),
157 OS(SW.getOStream()),
158 isAArch64(isAArch64) {}
159 Error dumpProcedureData(const object::COFFObjectFile &COFF);
165 #endif