derek.holloway
7502bf64a4
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221 lines
6.7 KiB
YAML
221 lines
6.7 KiB
YAML
## Check that obj2yaml is able to dump a normal object which
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## contains the SHT_SYMTAB_SHNDX section and symbols with
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## section index == SHN_XINDEX.
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# RUN: yaml2obj --docnum=1 %s -o %t1
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# RUN: obj2yaml %t1 | FileCheck %s --check-prefix=CASE1
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# CASE1: --- !ELF
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# CASE1-NEXT: FileHeader:
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# CASE1-NEXT: Class: ELFCLASS64
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# CASE1-NEXT: Data: ELFDATA2LSB
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# CASE1-NEXT: Type: ET_REL
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# CASE1-NEXT: Sections:
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# CASE1-NEXT: - Name: bar
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# CASE1-NEXT: Type: SHT_PROGBITS
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# CASE1-NEXT: - Name: .symtab_shndx
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# CASE1-NEXT: Type: SHT_SYMTAB_SHNDX
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# CASE1-NEXT: Link: .symtab
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# CASE1-NEXT: Entries: [ 0, 1, 2 ]
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# CASE1-NEXT: Symbols:
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# CASE1-NEXT: - Name: bar
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# CASE1-NEXT: Type: STT_SECTION
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# CASE1-NEXT: Index: SHN_XINDEX
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# CASE1-NEXT: - Name: .symtab_shndx
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# CASE1-NEXT: Type: STT_SECTION
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# CASE1-NEXT: Index: SHN_XINDEX
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# CASE1-NEXT: ...
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Sections:
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- Name: bar
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Type: SHT_PROGBITS
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- Name: .symtab_shndx
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Type: SHT_SYMTAB_SHNDX
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Entries: [ 0, 1, 2 ]
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Link: .symtab
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Symbols:
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- Type: STT_SECTION
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Index: SHN_XINDEX
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- Type: STT_SECTION
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Index: SHN_XINDEX
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## Check that yaml2obj is unable to dump an object, which has
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## symbols with section index == SHN_XINDEX, but no SHT_SYMTAB_SHNDX section.
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# RUN: yaml2obj --docnum=2 %s -o %t2
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# RUN: not obj2yaml %t2 2>&1 | FileCheck %s -DFILE=%t2 --check-prefix=CASE2
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# CASE2: Error reading file: [[FILE]]: found an extended symbol index (1), but unable to locate the extended symbol index table
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Symbols:
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- Type: STT_SECTION
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Index: SHN_XINDEX
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## Check that yaml2obj is unable to dump an object, which has symbols with
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## section index == SHN_XINDEX, but SHT_SYMTAB_SHNDX table contains invalid indices
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## that are larger than total number of the sections.
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# RUN: yaml2obj --docnum=3 %s -o %t3
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# RUN: not obj2yaml %t3 2>&1 | FileCheck %s -DFILE=%t3 --check-prefix=CASE3
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# CASE3: Error reading file: [[FILE]]: invalid section index: 254
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Sections:
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- Name: bar
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Type: SHT_PROGBITS
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- Name: .symtab_shndx
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Type: SHT_SYMTAB_SHNDX
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Entries: [ 0, 254 ]
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Link: .symtab
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Symbols:
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- Type: STT_SECTION
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Index: SHN_XINDEX
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## Check that yaml2obj is unable to dump an object, which has symbols with
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## section index == SHN_XINDEX, but SHT_SYMTAB_SHNDX table contains more
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## entries than the number of symbols in .symtab.
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# RUN: yaml2obj --docnum=4 %s -o %t4
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# RUN: not obj2yaml %t4 2>&1 | FileCheck %s -DFILE=%t4 --check-prefix=CASE4
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## CASE4: Error reading file: [[FILE]]: unable to read extended section indexes: SHT_SYMTAB_SHNDX has 3 entries, but the symbol table associated has 2
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Sections:
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- Name: bar
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Type: SHT_PROGBITS
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- Name: .symtab_shndx
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Type: SHT_SYMTAB_SHNDX
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Entries: [ 0, 1, 2 ]
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Link: .symtab
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Symbols:
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- Type: STT_SECTION
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Index: SHN_XINDEX
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## ELF gABI allows having multiple SHT_SYMTAB_SHNDX sections.
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## Only one is allowed to be linked with a corresponding symbol table section though.
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## Check we report an error when multiple SHT_SYMTAB_SHNDX sections are linked
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## to the same symbol table.
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# RUN: yaml2obj --docnum=5 %s -o %t5
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# RUN: not obj2yaml %t5 2>&1 | FileCheck %s -DFILE=%t5 --check-prefix=CASE5
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# CASE5: Error reading file: [[FILE]]: multiple SHT_SYMTAB_SHNDX sections are linked to the same symbol table with index 5
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Sections:
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- Name: .symtab_shndx1
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Type: SHT_SYMTAB_SHNDX
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Entries: [ 0, 1 ]
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EntSize: 4
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Link: .symtab
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- Name: .symtab_shndx2
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Type: SHT_SYMTAB_SHNDX
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Entries: [ 0, 2 ]
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Link: [[LINK=.symtab]]
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Symbols:
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- Type: STT_SECTION
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Index: SHN_XINDEX
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DynamicSymbols:
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- Type: STT_SECTION
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Index: SHN_XINDEX
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## Check it is possible to dump an object that has multiple SHT_SYMTAB_SHNDX sections.
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## Check that yaml2obj can dump the object and dynamic symbols properly when
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## the SHT_SYMTAB_SHNDX section is associated with a SHT_DYNSYM section.
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# RUN: yaml2obj --docnum=5 -DLINK=.dynsym %s -o %t5.multiple
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# RUN: obj2yaml %t5.multiple | FileCheck %s --check-prefix=MULTIPLE-SYMTAB
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# MULTIPLE-SYMTAB: - Name: .symtab_shndx1
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# MULTIPLE-SYMTAB-NEXT: Type: SHT_SYMTAB_SHNDX
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# MULTIPLE-SYMTAB-NEXT: Link: .symtab
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# MULTIPLE-SYMTAB: - Name: .symtab_shndx2
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# MULTIPLE-SYMTAB-NEXT: Type: SHT_SYMTAB_SHNDX
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# MULTIPLE-SYMTAB-NEXT: Link: .dynsym
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# MULTIPLE-SYMTAB: Symbols:
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# MULTIPLE-SYMTAB-NEXT: - Name: .symtab_shndx1
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# MULTIPLE-SYMTAB-NEXT: Type: STT_SECTION
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# MULTIPLE-SYMTAB-NEXT: Index: SHN_XINDEX
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# MULTIPLE-SYMTAB-NEXT: DynamicSymbols:
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# MULTIPLE-SYMTAB-NEXT: - Name: .symtab_shndx2
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# MULTIPLE-SYMTAB-NEXT: Type: STT_SECTION
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# MULTIPLE-SYMTAB-NEXT: Index: SHN_XINDEX
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## Check that yaml2obj can't dump the object if SHT_SYMTAB_SHNDX is
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## not associated with a SHT_SYMTAB section (this case is illegal).
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# RUN: yaml2obj --docnum=6 %s -o %t6
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# RUN: not obj2yaml %t6 2>&1 | FileCheck %s -DFILE=%t6 --check-prefix=CASE6
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# CASE6: Error reading file: [[FILE]]: unable to read extended section indexes: SHT_SYMTAB_SHNDX section is linked with SHT_PROGBITS section (expected SHT_SYMTAB/SHT_DYNSYM)
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Sections:
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- Name: .symtab_shndx
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Type: SHT_SYMTAB_SHNDX
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Entries: [ 0 ]
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Link: .foo
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- Name: .foo
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Type: SHT_PROGBITS
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## Check that we are unable to dump the SHT_SYMTAB_SHNDX section when its
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## sh_entsize has an unexpected value (not equal to 4).
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# RUN: yaml2obj -DENTSIZE=0xff --docnum=7 %s -o %t7.entsize.bad
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# RUN: not obj2yaml %t7.entsize.bad 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t7.entsize.bad --check-prefix=CASE7-BAD
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# CASE7-BAD: Error reading file: [[FILE]]: unable to read extended section indexes: section [index 1] has invalid sh_entsize: expected 4, but got 255
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## Check we don't print the "EntSize" field when the "sh_entsize" field has the default value.
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# RUN: yaml2obj -DENTSIZE=4 --docnum=7 %s -o %t7.entsize.ok
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# RUN: obj2yaml %t7.entsize.ok | FileCheck %s -DFILE=%t7.entsize.ok --check-prefix=CASE7
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# CASE7: - Name: .symtab_shndx
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# CASE7-NEXT: Type: SHT_SYMTAB_SHNDX
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# CASE7-NEXT: Link: .symtab
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# CASE7-NEXT: Entries: [ 0 ]
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# CASE7-NEXT: Symbols:
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Sections:
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- Name: .symtab_shndx
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Type: SHT_SYMTAB_SHNDX
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EntSize: [[ENTSIZE]]
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Entries: [ 0 ]
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Link: .symtab
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Symbols: []
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