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comparison lld/test/COFF/pdb-import-gc.yaml @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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147:c2174574ed3a 150:1d019706d866
1 # RUN: yaml2obj %s -o %t.obj
2 # RUN: lld-link %t.obj %S/Inputs/pdb-import-gc.lib -debug -entry:main \
3 # RUN: -nodefaultlib -opt:ref -out:%t.exe -pdb:%t.pdb
4 # RUN: llvm-pdbutil dump -globals -symbols %t.pdb | FileCheck %s
5
6 # This tests the case where an __imp_ chunk is discarded by linker GC. The debug
7 # info may refer to the __imp_ symbol still.
8
9 # Compile this code with MSVC to regenerate the test case:
10 # extern char __declspec(dllimport) __wc_mb_cur;
11 # int discarded() { return __wc_mb_cur; }
12 # int main() { return g2; }
13
14 # CHECK: Global Symbols
15 # CHECK-NEXT: ============================================================
16 # CHECK-NEXT: Records
17 # CHECK-NEXT: 20 | S_GDATA32 [size = 32] `__imp___wc_mb_cur`
18 # CHECK-NEXT: type = 0x0070 (char), addr = 0000:0000
19
20 # CHECK: Symbols
21 # CHECK-NEXT: ============================================================
22 # CHECK-NEXT: Mod 0000 | `{{.*}}pdb-import-gc.yaml.tmp.obj`:
23 # CHECK-NEXT: Mod 0001 | `* Linker *`:
24
25 --- !COFF
26 header:
27 Machine: IMAGE_FILE_MACHINE_AMD64
28 Characteristics: [ ]
29 sections:
30 - Name: '.debug$S'
31 Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
32 Alignment: 1
33 Subsections:
34 - !Symbols
35 Records:
36 - Kind: S_GDATA32
37 DataSym:
38 Type: 112
39 DisplayName: __imp___wc_mb_cur
40 - !StringTable
41 Strings:
42 Relocations:
43 - VirtualAddress: 20
44 SymbolName: __imp___wc_mb_cur
45 Type: IMAGE_REL_AMD64_SECREL
46 - VirtualAddress: 24
47 SymbolName: __imp___wc_mb_cur
48 Type: IMAGE_REL_AMD64_SECTION
49 - Name: '.text$mn'
50 Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
51 Alignment: 16
52 SectionData: 488B05000000000FBE00C3
53 Relocations:
54 - VirtualAddress: 3
55 SymbolName: __imp___wc_mb_cur
56 Type: IMAGE_REL_AMD64_REL32
57 - Name: '.text$mn'
58 Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
59 Alignment: 16
60 SectionData: B82A000000C3
61 symbols:
62 - Name: '.debug$S'
63 Value: 0
64 SectionNumber: 1
65 SimpleType: IMAGE_SYM_TYPE_NULL
66 ComplexType: IMAGE_SYM_DTYPE_NULL
67 StorageClass: IMAGE_SYM_CLASS_STATIC
68 SectionDefinition:
69 Length: 240
70 NumberOfRelocations: 2
71 NumberOfLinenumbers: 0
72 CheckSum: 0
73 Number: 0
74 - Name: '.text$mn'
75 Value: 0
76 SectionNumber: 2
77 SimpleType: IMAGE_SYM_TYPE_NULL
78 ComplexType: IMAGE_SYM_DTYPE_NULL
79 StorageClass: IMAGE_SYM_CLASS_STATIC
80 SectionDefinition:
81 Length: 11
82 NumberOfRelocations: 1
83 NumberOfLinenumbers: 0
84 CheckSum: 2906070869
85 Number: 0
86 Selection: IMAGE_COMDAT_SELECT_NODUPLICATES
87 - Name: '.text$mn'
88 Value: 0
89 SectionNumber: 3
90 SimpleType: IMAGE_SYM_TYPE_NULL
91 ComplexType: IMAGE_SYM_DTYPE_NULL
92 StorageClass: IMAGE_SYM_CLASS_STATIC
93 SectionDefinition:
94 Length: 6
95 NumberOfRelocations: 0
96 NumberOfLinenumbers: 0
97 CheckSum: 2139436471
98 Number: 0
99 Selection: IMAGE_COMDAT_SELECT_NODUPLICATES
100 - Name: discarded
101 Value: 0
102 SectionNumber: 2
103 SimpleType: IMAGE_SYM_TYPE_NULL
104 ComplexType: IMAGE_SYM_DTYPE_FUNCTION
105 StorageClass: IMAGE_SYM_CLASS_EXTERNAL
106 - Name: main
107 Value: 0
108 SectionNumber: 3
109 SimpleType: IMAGE_SYM_TYPE_NULL
110 ComplexType: IMAGE_SYM_DTYPE_FUNCTION
111 StorageClass: IMAGE_SYM_CLASS_EXTERNAL
112 - Name: __imp___wc_mb_cur
113 Value: 0
114 SectionNumber: 0
115 SimpleType: IMAGE_SYM_TYPE_NULL
116 ComplexType: IMAGE_SYM_DTYPE_NULL
117 StorageClass: IMAGE_SYM_CLASS_EXTERNAL
118 ...