aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/llvm12/lib/BinaryFormat/XCOFF.cpp
blob: 0f270a5cea1b98aac326a36c56f15f0bb55b4f43 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
//===-- llvm/BinaryFormat/XCOFF.cpp - The XCOFF file format -----*- C++/-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "llvm/BinaryFormat/XCOFF.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringRef.h"

using namespace llvm;

#define SMC_CASE(A)                                                            \
  case XCOFF::XMC_##A:                                                         \
    return #A;
StringRef XCOFF::getMappingClassString(XCOFF::StorageMappingClass SMC) {
  switch (SMC) {
    SMC_CASE(PR)
    SMC_CASE(RO)
    SMC_CASE(DB)
    SMC_CASE(GL)
    SMC_CASE(XO)
    SMC_CASE(SV)
    SMC_CASE(SV64)
    SMC_CASE(SV3264)
    SMC_CASE(TI)
    SMC_CASE(TB)
    SMC_CASE(RW)
    SMC_CASE(TC0)
    SMC_CASE(TC)
    SMC_CASE(TD)
    SMC_CASE(DS)
    SMC_CASE(UA)
    SMC_CASE(BS)
    SMC_CASE(UC)
    SMC_CASE(TL)
    SMC_CASE(UL)
    SMC_CASE(TE)
#undef SMC_CASE
  }

  // TODO: need to add a test case for "Unknown" and other SMC.
  return "Unknown";
}

#define RELOC_CASE(A)                                                          \
  case XCOFF::A:                                                               \
    return #A;
StringRef XCOFF::getRelocationTypeString(XCOFF::RelocationType Type) {
  switch (Type) {
    RELOC_CASE(R_POS)
    RELOC_CASE(R_RL)
    RELOC_CASE(R_RLA)
    RELOC_CASE(R_NEG)
    RELOC_CASE(R_REL)
    RELOC_CASE(R_TOC)
    RELOC_CASE(R_TRL)
    RELOC_CASE(R_TRLA)
    RELOC_CASE(R_GL)
    RELOC_CASE(R_TCL)
    RELOC_CASE(R_REF)
    RELOC_CASE(R_BA)
    RELOC_CASE(R_BR)
    RELOC_CASE(R_RBA)
    RELOC_CASE(R_RBR)
    RELOC_CASE(R_TLS)
    RELOC_CASE(R_TLS_IE)
    RELOC_CASE(R_TLS_LD)
    RELOC_CASE(R_TLS_LE)
    RELOC_CASE(R_TLSM)
    RELOC_CASE(R_TLSML)
    RELOC_CASE(R_TOCU)
    RELOC_CASE(R_TOCL)
  }
  return "Unknown";
}

#define LANG_CASE(A)                                                           \
  case XCOFF::TracebackTable::A:                                               \
    return #A;

StringRef XCOFF::getNameForTracebackTableLanguageId(
    XCOFF::TracebackTable::LanguageID LangId) {
  switch (LangId) {
    LANG_CASE(C)
    LANG_CASE(Fortran)
    LANG_CASE(Pascal)
    LANG_CASE(Ada)
    LANG_CASE(PL1)
    LANG_CASE(Basic)
    LANG_CASE(Lisp)
    LANG_CASE(Cobol)
    LANG_CASE(Modula2)
    LANG_CASE(Rpg)
    LANG_CASE(PL8)
    LANG_CASE(Assembly)
    LANG_CASE(Java)
    LANG_CASE(ObjectiveC)
    LANG_CASE(CPlusPlus)
  }
  return "Unknown";
}
#undef LANG_CASE

SmallString<32> XCOFF::parseParmsType(uint32_t Value, unsigned ParmsNum) {
  SmallString<32> ParmsType;
  for (unsigned I = 0; I < ParmsNum; ++I) {
    if (I != 0)
      ParmsType += ", ";
    if ((Value & TracebackTable::ParmTypeIsFloatingBit) == 0) {
      // Fixed parameter type.
      ParmsType += "i";
      Value <<= 1;
    } else {
      if ((Value & TracebackTable::ParmTypeFloatingIsDoubleBit) == 0)
        // Float parameter type.
        ParmsType += "f";
      else
        // Double parameter type.
        ParmsType += "d";

      Value <<= 2;
    }
  }
  assert(Value == 0u && "ParmsType encodes more than ParmsNum parameters.");
  return ParmsType;
}

SmallString<32> XCOFF::getExtendedTBTableFlagString(uint8_t Flag) {
  SmallString<32> Res;

  if (Flag & ExtendedTBTableFlag::TB_OS1)
    Res += "TB_OS1 ";
  if (Flag & ExtendedTBTableFlag::TB_RESERVED)
    Res += "TB_RESERVED ";
  if (Flag & ExtendedTBTableFlag::TB_SSP_CANARY)
    Res += "TB_SSP_CANARY ";
  if (Flag & ExtendedTBTableFlag::TB_OS2)
    Res += "TB_OS2 ";
  if (Flag & ExtendedTBTableFlag::TB_EH_INFO)
    Res += "TB_EH_INFO ";
  if (Flag & ExtendedTBTableFlag::TB_LONGTBTABLE2)
    Res += "TB_LONGTBTABLE2 ";

  // Two of the bits that haven't got used in the mask.
  if (Flag & 0x06)
    Res += "Unknown ";

  // Pop the last space.
  Res.pop_back();
  return Res;
}

#undef RELOC_CASE