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llvm-project/lld/test/pecoff/Inputs/alignment.obj.yaml

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[PECOFF] Fix alignment bug. There was a bug that if a section has an alignment requirement and there are multiple symbols at offset 0 in the section, only the last atom at offset 0 would be aligned properly. That bug would move only the last symbol to an alignment boundary, leaving other symbols unaligned, although they should be at the same location. That caused a mysterious SEGV error of the resultant executable. With this patch, we manage all symbols at the same location properly, rather than keeping the last one. llvm-svn: 190724
2013-09-14 05:11:00 +08:00
---
header:
Machine: IMAGE_FILE_MACHINE_I386
Characteristics: [ ]
sections:
- Name: .text
Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
Alignment: 256
SectionData: 5589E583EC14C745FC00000000C744240C00000000C744240807000000C744240400000000C7042400000000FF150000000083EC1031C083C4145DC3
Relocations:
- VirtualAddress: 25
SymbolName: .data
Type: IMAGE_REL_I386_DIR32
- VirtualAddress: 33
SymbolName: .data
Type: IMAGE_REL_I386_DIR32
- Name: .text$1
Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
Alignment: 4096
SectionData: 00
- Name: .data
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE ]
Alignment: 4
SectionData: 576F726C64210048656C6C6F2C00
symbols:
- Name: .text
Value: 0
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
NumberOfAuxSymbols: 1
AuxiliaryData: 3C0000000300000000000000010000000000
- Name: .data
Value: 0
SectionNumber: 2
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_NULL
StorageClass: IMAGE_SYM_CLASS_STATIC
NumberOfAuxSymbols: 1
AuxiliaryData: 0E0000000000000000000000020000000000
- Name: _start
Value: 0
SectionNumber: 1
SimpleType: IMAGE_SYM_TYPE_NULL
ComplexType: IMAGE_SYM_DTYPE_FUNCTION
StorageClass: IMAGE_SYM_CLASS_EXTERNAL
...