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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
//===-- MangledTest.cpp -----------------------------------------*- 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 "Plugins/ObjectFile/ELF/ObjectFileELF.h"
#include "Plugins/SymbolFile/Symtab/SymbolFileSymtab.h"
#include "TestingSupport/TestUtilities.h"
#include "lldb/Core/Mangled.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Symbol/SymbolContext.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"
#include "llvm/Testing/Support/Error.h"
#include "gtest/gtest.h"
using namespace lldb;
using namespace lldb_private;
TEST(MangledTest, ResultForValidName) {
ConstString MangledName("_ZN1a1b1cIiiiEEvm");
Mangled TheMangled(MangledName);
ConstString TheDemangled =
TheMangled.GetDemangledName(eLanguageTypeC_plus_plus);
ConstString ExpectedResult("void a::b::c<int, int, int>(unsigned long)");
EXPECT_STREQ(ExpectedResult.GetCString(), TheDemangled.GetCString());
}
TEST(MangledTest, EmptyForInvalidName) {
ConstString MangledName("_ZN1a1b1cmxktpEEvm");
Mangled TheMangled(MangledName);
ConstString TheDemangled =
TheMangled.GetDemangledName(eLanguageTypeC_plus_plus);
EXPECT_STREQ("", TheDemangled.GetCString());
}
TEST(MangledTest, NameIndexes_FindFunctionSymbols) {
FileSystem::Initialize();
HostInfo::Initialize();
ObjectFileELF::Initialize();
SymbolFileSymtab::Initialize();
auto ExpectedFile = TestFile::fromYaml(R"(
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
AddressAlign: 0x0000000000000010
Size: 0x20
- Name: .anothertext
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
Address: 0x0000000000000010
AddressAlign: 0x0000000000000010
Size: 0x40
- Name: .data
Type: SHT_PROGBITS
Flags: [ SHF_WRITE, SHF_ALLOC ]
Address: 0x00000000000000A8
AddressAlign: 0x0000000000000004
Content: '01000000'
Symbols:
- Name: somedata
Type: STT_OBJECT
Section: .anothertext
Value: 0x0000000000000045
Binding: STB_GLOBAL
- Name: main
Type: STT_FUNC
Section: .anothertext
Value: 0x0000000000000010
Size: 0x000000000000003F
Binding: STB_GLOBAL
- Name: _Z3foov
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: puts@GLIBC_2.5
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: puts@GLIBC_2.6
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: _Z5annotv@VERSION3
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: _ZN1AC2Ev
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: _ZN1AD2Ev
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: _ZN1A3barEv
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: _ZGVZN4llvm4dbgsEvE7thestrm
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: _ZZN4llvm4dbgsEvE7thestrm
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: _ZTVN5clang4DeclE
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: -[ObjCfoo]
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: +[B ObjCbar(WithCategory)]
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
- Name: _Z12undemangableEvx42
Type: STT_FUNC
Section: .text
Size: 0x000000000000000D
Binding: STB_GLOBAL
...
)");
ASSERT_THAT_EXPECTED(ExpectedFile, llvm::Succeeded());
ModuleSpec Spec{FileSpec(ExpectedFile->name())};
auto M = std::make_shared<Module>(Spec);
auto Count = [M](const char *Name, FunctionNameType Type) -> int {
SymbolContextList SymList;
return M->FindFunctionSymbols(ConstString(Name), Type, SymList);
};
// Unmangled
EXPECT_EQ(1, Count("main", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("main", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("main", eFunctionNameTypeMethod));
// Itanium mangled
EXPECT_EQ(1, Count("_Z3foov", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_Z3foov", eFunctionNameTypeBase));
EXPECT_EQ(1, Count("foo", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("foo", eFunctionNameTypeMethod));
// Unmangled with linker annotation
EXPECT_EQ(1, Count("puts@GLIBC_2.5", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("puts@GLIBC_2.6", eFunctionNameTypeFull));
EXPECT_EQ(2, Count("puts", eFunctionNameTypeFull));
EXPECT_EQ(2, Count("puts", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("puts", eFunctionNameTypeMethod));
// Itanium mangled with linker annotation
EXPECT_EQ(1, Count("_Z5annotv@VERSION3", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_Z5annotv", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_Z5annotv", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("annot", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("annot", eFunctionNameTypeMethod));
// Itanium mangled ctor A::A()
EXPECT_EQ(1, Count("_ZN1AC2Ev", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_ZN1AC2Ev", eFunctionNameTypeBase));
EXPECT_EQ(1, Count("A", eFunctionNameTypeMethod));
EXPECT_EQ(0, Count("A", eFunctionNameTypeBase));
// Itanium mangled dtor A::~A()
EXPECT_EQ(1, Count("_ZN1AD2Ev", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_ZN1AD2Ev", eFunctionNameTypeBase));
EXPECT_EQ(1, Count("~A", eFunctionNameTypeMethod));
EXPECT_EQ(0, Count("~A", eFunctionNameTypeBase));
// Itanium mangled method A::bar()
EXPECT_EQ(1, Count("_ZN1A3barEv", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_ZN1A3barEv", eFunctionNameTypeBase));
EXPECT_EQ(1, Count("bar", eFunctionNameTypeMethod));
EXPECT_EQ(0, Count("bar", eFunctionNameTypeBase));
// Itanium mangled names that are explicitly excluded from parsing
EXPECT_EQ(1, Count("_ZGVZN4llvm4dbgsEvE7thestrm", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_ZGVZN4llvm4dbgsEvE7thestrm", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("dbgs", eFunctionNameTypeMethod));
EXPECT_EQ(0, Count("dbgs", eFunctionNameTypeBase));
EXPECT_EQ(1, Count("_ZZN4llvm4dbgsEvE7thestrm", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_ZZN4llvm4dbgsEvE7thestrm", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("dbgs", eFunctionNameTypeMethod));
EXPECT_EQ(0, Count("dbgs", eFunctionNameTypeBase));
EXPECT_EQ(1, Count("_ZTVN5clang4DeclE", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_ZTVN5clang4DeclE", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("Decl", eFunctionNameTypeMethod));
EXPECT_EQ(0, Count("Decl", eFunctionNameTypeBase));
// ObjC mangled static
EXPECT_EQ(1, Count("-[ObjCfoo]", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("-[ObjCfoo]", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("ObjCfoo", eFunctionNameTypeMethod));
// ObjC mangled method with category
EXPECT_EQ(1, Count("+[B ObjCbar(WithCategory)]", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("+[B ObjCbar(WithCategory)]", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("ObjCbar", eFunctionNameTypeMethod));
// Invalid things: unable to decode but still possible to find by full name
EXPECT_EQ(1, Count("_Z12undemangableEvx42", eFunctionNameTypeFull));
EXPECT_EQ(1, Count("_Z12undemangableEvx42", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("_Z12undemangableEvx42", eFunctionNameTypeMethod));
EXPECT_EQ(0, Count("undemangable", eFunctionNameTypeBase));
EXPECT_EQ(0, Count("undemangable", eFunctionNameTypeMethod));
SymbolFileSymtab::Terminate();
ObjectFileELF::Terminate();
HostInfo::Terminate();
FileSystem::Terminate();
}
|
