211 lines
7.4 KiB
Plaintext
211 lines
7.4 KiB
Plaintext
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# RUN: yaml2obj %s -o %t.in.o
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#
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# RUN: llvm-objdump --section-headers %t.in.o | FileCheck %s --check-prefixes=SECTIONS-PRE
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# RUN: llvm-objdump -t %t.in.o | FileCheck %s --check-prefixes=SYMBOLS-PRE
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#
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# RUN: llvm-objcopy -R .bss %t.in.o %t.remove-bss.o
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# RUN: llvm-objdump --section-headers %t.remove-bss.o | FileCheck %s --check-prefix=SECTIONS-REMOVE-BSS
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# RUN: llvm-objdump -t %t.remove-bss.o | FileCheck %s --check-prefix=SYMBOLS-REMOVE-BSS
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#
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# RUN: llvm-objcopy --remove-section .bss %t.in.o %t.cmp.o
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# RUN: cmp %t.remove-bss.o %t.cmp.o
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#
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# RUN: llvm-objcopy -R .text %t.in.o %t.remove-text.o
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# RUN: llvm-objdump --section-headers %t.remove-text.o | FileCheck %s --check-prefix=SECTIONS-REMOVE-TEXT
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# RUN: llvm-objdump -t %t.remove-text.o | FileCheck %s --check-prefix=SYMBOLS-REMOVE-TEXT
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#
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# RUN: not llvm-objcopy -R .comdat %t.in.o %t.remove-comdat.o 2>&1 | FileCheck %s --check-prefix=ERROR-RELOC
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#
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# RUN: llvm-objcopy -R .text -R .comdat %t.in.o %t.remove-text-comdat.o
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# RUN: llvm-objdump --section-headers %t.remove-text-comdat.o | FileCheck %s --check-prefix=SECTIONS-REMOVE-TEXT-COMDAT
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# RUN: llvm-objdump -t %t.remove-text-comdat.o | FileCheck %s --check-prefix=SYMBOLS-REMOVE-TEXT-COMDAT
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#
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#
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# SECTIONS-PRE: Sections:
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# SECTIONS-PRE-NEXT: Idx Name
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# SECTIONS-PRE-NEXT: 0 .text
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# SECTIONS-PRE-NEXT: 1 .bss
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# SECTIONS-PRE-NEXT: 2 .comdat
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# SECTIONS-PRE-NEXT: 3 .associative
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# SECTIONS-PRE-EMPTY:
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#
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# SYMBOLS-PRE: SYMBOL TABLE:
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# SYMBOLS-PRE-NEXT: {{.*}}(sec -1){{.*}} @feat.00
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# SYMBOLS-PRE-NEXT: {{.*}}(sec 1){{.*}} .text
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# SYMBOLS-PRE-NEXT: AUX scnlen {{.*}} assoc 1 comdat 0
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# SYMBOLS-PRE-NEXT: {{.*}}(sec 2){{.*}} .bss
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# SYMBOLS-PRE-NEXT: AUX scnlen {{.*}} assoc 2 comdat 0
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# SYMBOLS-PRE-NEXT: {{.*}}(sec 4){{.*}} .associative
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# SYMBOLS-PRE-NEXT: AUX scnlen {{.*}} assoc 3 comdat 5
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# SYMBOLS-PRE-NEXT: {{.*}}(sec 3){{.*}} .comdat
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# SYMBOLS-PRE-NEXT: AUX scnlen {{.*}} assoc 3 comdat 2
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# SYMBOLS-PRE-NEXT: {{.*}}(sec 3){{.*}} foo
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# SYMBOLS-PRE-NEXT: {{.*}}(sec 1){{.*}} main
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# SYMBOLS-PRE-EMPTY:
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#
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#
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# Removing the .bss section removes one symbol and its aux symbol,
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# and updates the section indices in symbols pointing to later
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# symbols, including the aux section defintitions.
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#
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# Testing that the absolute symbol @feat.00 survives the section number
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# mangling.
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#
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# SECTIONS-REMOVE-BSS: Sections:
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# SECTIONS-REMOVE-BSS-NEXT: Idx Name
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# SECTIONS-REMOVE-BSS-NEXT: 0 .text
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# SECTIONS-REMOVE-BSS-NEXT: 1 .comdat
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# SECTIONS-REMOVE-BSS-NEXT: 2 .associative
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# SECTIONS-REMOVE-BSS-EMPTY:
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#
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# SYMBOLS-REMOVE-BSS: SYMBOL TABLE:
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# SYMBOLS-REMOVE-BSS-NEXT: {{.*}}(sec -1){{.*}} @feat.00
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# SYMBOLS-REMOVE-BSS-NEXT: {{.*}}(sec 1){{.*}} .text
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# SYMBOLS-REMOVE-BSS-NEXT: AUX scnlen {{.*}} assoc 1 comdat 0
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# SYMBOLS-REMOVE-BSS-NEXT: {{.*}}(sec 3){{.*}} .associative
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# SYMBOLS-REMOVE-BSS-NEXT: AUX scnlen {{.*}} assoc 2 comdat 5
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# SYMBOLS-REMOVE-BSS-NEXT: {{.*}}(sec 2){{.*}} .comdat
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# SYMBOLS-REMOVE-BSS-NEXT: AUX scnlen {{.*}} assoc 2 comdat 2
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# SYMBOLS-REMOVE-BSS-NEXT: {{.*}}(sec 2){{.*}} foo
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# SYMBOLS-REMOVE-BSS-NEXT: {{.*}}(sec 1){{.*}} main
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# SYMBOLS-REMOVE-BSS-EMPTY:
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#
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#
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# Removing the .text section is ok and just removes the external symbol
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# referring to it.
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#
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# SECTIONS-REMOVE-TEXT: Sections:
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# SECTIONS-REMOVE-TEXT-NEXT: Idx Name
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# SECTIONS-REMOVE-TEXT-NEXT: 0 .bss
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# SECTIONS-REMOVE-TEXT-NEXT: 1 .comdat
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# SECTIONS-REMOVE-TEXT-NEXT: 2 .associative
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# SECTIONS-REMOVE-TEXT-EMPTY:
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#
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# SYMBOLS-REMOVE-TEXT: SYMBOL TABLE:
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# SYMBOLS-REMOVE-TEXT-NEXT: {{.*}}(sec -1){{.*}} @feat.00
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# SYMBOLS-REMOVE-TEXT-NEXT: {{.*}}(sec 1){{.*}} .bss
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# SYMBOLS-REMOVE-TEXT-NEXT: AUX scnlen {{.*}} assoc 1 comdat 0
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# SYMBOLS-REMOVE-TEXT-NEXT: {{.*}}(sec 3){{.*}} .associative
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# SYMBOLS-REMOVE-TEXT-NEXT: AUX scnlen {{.*}} assoc 2 comdat 5
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# SYMBOLS-REMOVE-TEXT-NEXT: {{.*}}(sec 2){{.*}} .comdat
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# SYMBOLS-REMOVE-TEXT-NEXT: AUX scnlen {{.*}} assoc 2 comdat 2
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# SYMBOLS-REMOVE-TEXT-NEXT: {{.*}}(sec 2){{.*}} foo
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# SYMBOLS-REMOVE-TEXT-EMPTY:
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#
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#
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# Removing the .comdat section fails, since the .text section has relocations
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# against it.
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#
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# ERROR-RELOC: relocation target 'foo' ({{.*}}) not found
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#
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#
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# Removing the .comdat section and .text (with a relocation against .comdat)
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# works, as it also removes the .associative section transitively.
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#
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# SECTIONS-REMOVE-TEXT-COMDAT: Sections:
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# SECTIONS-REMOVE-TEXT-COMDAT-NEXT: Idx Name
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# SECTIONS-REMOVE-TEXT-COMDAT-NEXT: 0 .bss
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# SECTIONS-REMOVE-TEXT-COMDAT-EMPTY:
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#
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# SYMBOLS-REMOVE-TEXT-COMDAT: SYMBOL TABLE:
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# SYMBOLS-REMOVE-TEXT-COMDAT-NEXT: {{.*}}(sec -1){{.*}} @feat.00
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# SYMBOLS-REMOVE-TEXT-COMDAT-NEXT: {{.*}}(sec 1){{.*}} .bss
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# SYMBOLS-REMOVE-TEXT-COMDAT-NEXT: AUX scnlen {{.*}} assoc 1 comdat 0
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# SYMBOLS-REMOVE-TEXT-COMDAT-EMPTY:
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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: .text
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Characteristics: [ ]
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Alignment: 4
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SectionData: 488B0500000000C3
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Relocations:
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- VirtualAddress: 3
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SymbolName: foo
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Type: IMAGE_REL_AMD64_REL32
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- Name: .bss
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Characteristics: [ ]
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Alignment: 4
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SectionData: ''
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- Name: .comdat
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Characteristics: [ IMAGE_SCN_LNK_COMDAT ]
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Alignment: 1
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SectionData: '2A000000'
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- Name: .associative
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Characteristics: [ IMAGE_SCN_LNK_COMDAT ]
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Alignment: 1
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SectionData: '0000000000000000'
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symbols:
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- Name: '@feat.00'
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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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- Name: .text
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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: 8
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NumberOfRelocations: 1
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NumberOfLinenumbers: 0
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CheckSum: 583624169
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Number: 1
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- Name: .bss
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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: 0
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NumberOfRelocations: 0
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NumberOfLinenumbers: 0
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CheckSum: 0
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Number: 2
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- Name: .associative
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Value: 0
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SectionNumber: 4
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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: 8
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NumberOfRelocations: 0
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NumberOfLinenumbers: 0
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CheckSum: 0
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Number: 3
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Selection: IMAGE_COMDAT_SELECT_ASSOCIATIVE
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- Name: .comdat
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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: 4
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NumberOfRelocations: 0
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NumberOfLinenumbers: 0
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CheckSum: 3482275674
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Number: 3
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Selection: IMAGE_COMDAT_SELECT_ANY
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- Name: foo
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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_EXTERNAL
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- Name: main
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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_EXTERNAL
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...
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