forked from OSchip/llvm-project
123 lines
4.3 KiB
YAML
123 lines
4.3 KiB
YAML
# REQUIRES: x86
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# RUN: yaml2obj %s -o %t.obj
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# RUN: llvm-mc %S/Inputs/pdb-global-gc.s -triple x86_64-windows-msvc -filetype=obj -o %t2.obj
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# RUN: lld-link %t.obj %t2.obj -debug -entry:main \
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# RUN: -nodefaultlib -opt:ref -out:%t.exe -pdb:%t.pdb -verbose
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# RUN: llvm-pdbutil dump -symbols -globals %t.pdb | FileCheck %s
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# This tests the case where an __imp_ chunk is discarded by linker GC. The debug
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# info may refer to the __imp_ symbol still.
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# Compile this code with MSVC to regenerate the test case:
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# extern char __declspec(dllimport) __wc_mb_cur;
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# int discarded() { return __wc_mb_cur; }
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# int main() { return g2; }
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# CHECK: Global Symbols
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# CHECK-NEXT: ============================================================
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# CHECK-NEXT: Records
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# CHECK-NEXT: 20 | S_GDATA32 [size = 28] `__wc_mb_cur`
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# CHECK-NEXT: type = 0x0070 (char), addr = 0000:0000
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# CHECK: Symbols
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# CHECK: ============================================================
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# CHECK-NEXT: Mod 0000 | `{{.*}}pdb-global-gc.yaml.tmp.obj`:
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# CHECK-NEXT: Mod 0001 | `{{.*}}pdb-global-gc.yaml.tmp2.obj`:
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# CHECK-NEXT: Error loading module stream 1. The specified stream could not be loaded. Module stream not present
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# CHECK-NEXT: Mod 0002 | `* Linker *`:
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--- !COFF
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header:
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Machine: IMAGE_FILE_MACHINE_AMD64
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Characteristics: [ ]
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sections:
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- Name: '.debug$S'
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Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
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Alignment: 1
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Subsections:
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- !Symbols
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Records:
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- Kind: S_GDATA32
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DataSym:
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Type: 112
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DisplayName: __wc_mb_cur
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- !StringTable
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Strings:
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Relocations:
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- VirtualAddress: 20
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SymbolName: __wc_mb_cur
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Type: IMAGE_REL_AMD64_SECREL
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- VirtualAddress: 24
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SymbolName: __wc_mb_cur
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Type: IMAGE_REL_AMD64_SECTION
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- Name: '.text$mn'
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Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
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Alignment: 16
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SectionData: 0FBE0500000000C3
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Relocations:
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- VirtualAddress: 3
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SymbolName: __wc_mb_cur
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Type: IMAGE_REL_AMD64_REL32
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- Name: '.text$mn'
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Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
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Alignment: 16
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SectionData: B82A000000C3
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symbols:
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- Name: '.debug$S'
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Value: 0
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SectionNumber: 1
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_NULL
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StorageClass: IMAGE_SYM_CLASS_STATIC
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SectionDefinition:
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Length: 240
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NumberOfRelocations: 2
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NumberOfLinenumbers: 0
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CheckSum: 0
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Number: 0
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- Name: '.text$mn'
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Value: 0
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SectionNumber: 2
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_NULL
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StorageClass: IMAGE_SYM_CLASS_STATIC
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SectionDefinition:
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Length: 11
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NumberOfRelocations: 1
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NumberOfLinenumbers: 0
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CheckSum: 2906070869
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Number: 0
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Selection: IMAGE_COMDAT_SELECT_NODUPLICATES
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- Name: '.text$mn'
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Value: 0
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SectionNumber: 3
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_NULL
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StorageClass: IMAGE_SYM_CLASS_STATIC
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SectionDefinition:
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Length: 6
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NumberOfRelocations: 0
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NumberOfLinenumbers: 0
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CheckSum: 2139436471
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Number: 0
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Selection: IMAGE_COMDAT_SELECT_NODUPLICATES
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- Name: discarded
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Value: 0
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SectionNumber: 2
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_FUNCTION
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StorageClass: IMAGE_SYM_CLASS_EXTERNAL
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- Name: main
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Value: 0
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SectionNumber: 3
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_FUNCTION
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StorageClass: IMAGE_SYM_CLASS_EXTERNAL
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- Name: __wc_mb_cur
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Value: 0
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SectionNumber: 0
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SimpleType: IMAGE_SYM_TYPE_NULL
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ComplexType: IMAGE_SYM_DTYPE_NULL
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StorageClass: IMAGE_SYM_CLASS_EXTERNAL
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...
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