6047858270
This is not a record type that clang currently generates, but it is a record that is encountered in object files generated by cl. This record is unusual in that it refers directly to the string table instead of indirectly to the string table via the FileChecksums table. Because of this, it was previously overlooked and we weren't remapping the string indices at all. This would lead to crashes in MSVC when trying to display a variable whose debug info involved an S_FILESTATIC. Original bug report by Alexander Ganea Differential Revision: https://reviews.llvm.org/D41718 llvm-svn: 321883
126 lines
4.9 KiB
Plaintext
126 lines
4.9 KiB
Plaintext
Test the linker line tables on roughly the following example:
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==> foo.h <==
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void bar(void);
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inline void foo(void) {
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bar();
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}
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==> pdb_lines_1.c <==
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#include "foo.h"
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int main(void) {
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foo();
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return 42;
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}
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==> pdb_lines_2.c <==
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void bar(void) {
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}
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$ cl -c -Z7 pdb_lines*.c
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RUN: yaml2obj %S/Inputs/pdb_lines_1.yaml -o %t.pdb_lines_1.obj
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RUN: yaml2obj %S/Inputs/pdb_lines_2.yaml -o %t.pdb_lines_2.obj
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RUN: rm -f %t.exe %t.pdb
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RUN: lld-link -debug -entry:main -nodefaultlib -out:%t.exe -pdb:%t.pdb %t.pdb_lines_1.obj %t.pdb_lines_2.obj
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RUN: llvm-pdbutil pdb2yaml -modules -module-files -subsections=lines,fc %t.pdb | FileCheck %s
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CHECK-LABEL: DbiStream:
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CHECK-NEXT: VerHeader: V70
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CHECK-NEXT: Age: 1
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CHECK-NEXT: BuildNumber: 0
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CHECK-NEXT: PdbDllVersion: 0
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CHECK-NEXT: PdbDllRbld: 0
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CHECK-NEXT: Flags: 0
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CHECK-NEXT: MachineType: x86
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CHECK-NEXT: Modules:
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CHECK-LABEL: - Module: {{.*}}pdb_lines_1.obj
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CHECK-NEXT: ObjFile: {{.*}}pdb_lines_1.obj
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CHECK-NEXT: SourceFiles:
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CHECK-NEXT: - '{{.*}}pdb_lines_1.c'
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CHECK-NEXT: - '{{.*}}foo.h'
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CHECK-NEXT: Subsections:
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CHECK-NEXT: - !Lines
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CHECK-NEXT: CodeSize: 19
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CHECK-NEXT: Flags: [ ]
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CHECK-NEXT: RelocOffset: 0
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CHECK-NEXT: RelocSegment: 2
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CHECK-NEXT: Blocks:
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CHECK-NEXT: - FileName: '{{.*}}pdb_lines_1.c'
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CHECK-NEXT: Lines:
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CHECK-NEXT: - Offset: 0
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CHECK-NEXT: LineStart: 2
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CHECK-NEXT: IsStatement: true
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CHECK-NEXT: EndDelta: 0
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CHECK-NEXT: - Offset: 4
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CHECK-NEXT: LineStart: 3
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CHECK-NEXT: IsStatement: true
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CHECK-NEXT: EndDelta: 0
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CHECK-NEXT: - Offset: 9
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CHECK-NEXT: LineStart: 4
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CHECK-NEXT: IsStatement: true
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CHECK-NEXT: EndDelta: 0
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CHECK-NEXT: - Offset: 14
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CHECK-NEXT: LineStart: 5
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CHECK-NEXT: IsStatement: true
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CHECK-NEXT: EndDelta: 0
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CHECK-NEXT: Columns:
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CHECK-NEXT: - !Lines
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CHECK-NEXT: CodeSize: 14
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CHECK-NEXT: Flags: [ ]
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CHECK-NEXT: RelocOffset: 32
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CHECK-NEXT: RelocSegment: 2
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CHECK-NEXT: Blocks:
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CHECK-NEXT: - FileName: '{{.*}}foo.h'
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CHECK-NEXT: Lines:
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CHECK-NEXT: - Offset: 0
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CHECK-NEXT: LineStart: 2
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CHECK-NEXT: IsStatement: true
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CHECK-NEXT: EndDelta: 0
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CHECK-NEXT: - Offset: 4
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CHECK-NEXT: LineStart: 3
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CHECK-NEXT: IsStatement: true
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CHECK-NEXT: EndDelta: 0
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CHECK-NEXT: - Offset: 9
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CHECK-NEXT: LineStart: 4
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CHECK-NEXT: IsStatement: true
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CHECK-NEXT: EndDelta: 0
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CHECK-NEXT: Columns:
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CHECK-NEXT: - !FileChecksums
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CHECK-NEXT: Checksums:
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CHECK-NEXT: - FileName: '{{.*}}pdb_lines_1.c'
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CHECK-NEXT: Kind: MD5
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CHECK-NEXT: Checksum: 4EB19DCD86C3BA2238A255C718572E7B
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CHECK-NEXT: - FileName: '{{.*}}foo.h'
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CHECK-NEXT: Kind: MD5
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CHECK-NEXT: Checksum: 061EB73ABB642532857A4F1D9CBAC323
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CHECK-LABEL: - Module: {{.*}}pdb_lines_2.obj
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CHECK-NEXT: ObjFile: {{.*}}pdb_lines_2.obj
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CHECK-NEXT: SourceFiles:
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CHECK-NEXT: - '{{.*}}pdb_lines_2.c'
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CHECK-NEXT: Subsections:
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CHECK-NEXT: - !Lines
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CHECK-NEXT: CodeSize: 1
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CHECK-NEXT: Flags: [ ]
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CHECK-NEXT: RelocOffset: 48
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CHECK-NEXT: RelocSegment: 2
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CHECK-NEXT: Blocks:
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CHECK-NEXT: - FileName: '{{.*}}pdb_lines_2.c'
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CHECK-NEXT: Lines:
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CHECK-NEXT: - Offset: 0
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CHECK-NEXT: LineStart: 1
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CHECK-NEXT: IsStatement: true
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CHECK-NEXT: EndDelta: 0
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CHECK-NEXT: - Offset: 0
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CHECK-NEXT: LineStart: 2
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CHECK-NEXT: IsStatement: true
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CHECK-NEXT: EndDelta: 0
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CHECK-NEXT: Columns:
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CHECK-NEXT: - !FileChecksums
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CHECK-NEXT: Checksums:
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CHECK-NEXT: - FileName: '{{.*}}pdb_lines_2.c'
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CHECK-NEXT: Kind: MD5
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CHECK-NEXT: Checksum: DF91CB3A2B8D917486574BB50CAC4CC7
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CHECK-NEXT: - Module: '* Linker *'
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CHECK-NEXT: ObjFile: ''
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