293 lines
11 KiB
Plaintext
293 lines
11 KiB
Plaintext
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## Test how llvm-readobj/llvm-readelf tools handle invalid SHT_GNU_verdef sections.
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## Check that we report a warning when sh_link references a non-existent section.
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# RUN: yaml2obj %s --docnum=1 -DLINK=0xFF -o %t1
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# RUN: llvm-readobj -V %t1 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-LLVM --implicit-check-not="warning:" -DFILE=%t1
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# RUN: llvm-readelf -V %t1 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-GNU --implicit-check-not="warning:" -DFILE=%t1
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# INVALID-LINK-LLVM: warning: '[[FILE]]': invalid section linked to SHT_GNU_verdef section with index 1: invalid section index: 255
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# INVALID-LINK-GNU: Version definition section '.gnu.version_d' contains 0 entries:
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# INVALID-LINK-GNU: warning: '[[FILE]]': invalid section linked to SHT_GNU_verdef section with index 1: invalid section index: 255
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# INVALID-LINK-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 255 (<corrupt>)
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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_DYN
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Sections:
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- Name: .gnu.version_d
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Type: SHT_GNU_verdef
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Link: [[LINK]]
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Entries: []
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## Check that we report a warning when the sh_link field of a SHT_GNU_verdef section references a non-string table section.
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# RUN: yaml2obj %s --docnum=1 -DLINK=0x0 -o %t2
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# RUN: llvm-readobj -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t2
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# RUN: llvm-readelf -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t2
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# INVALID-STRING-TABLE: warning: '[[FILE]]': invalid string table linked to SHT_GNU_verdef section with index 1: invalid sh_type for string table section [index 0]: expected SHT_STRTAB, but got SHT_NULL
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## Check that we report a warning when we can't read the content of the SHT_GNU_verdef section.
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# RUN: yaml2obj %s --docnum=2 -DSHOFFSET=0xFFFFFFFF -o %t3
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# RUN: llvm-readobj -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t3
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# RUN: llvm-readelf -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t3
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# INVALID-DATA: warning: '[[FILE]]': cannot read content of SHT_GNU_verdef section with index 1: section [index 1] has a sh_offset (0xffffffff) + sh_size (0x0) that is greater than the file size (0x230)
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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_DYN
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Sections:
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- Name: .gnu.version_d
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Type: SHT_GNU_verdef
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Entries: []
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ShOffset: [[SHOFFSET=<none>]]
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ShName: [[SHNAME=<none>]]
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- Name: .dynstr
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Type: SHT_STRTAB
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ShName: [[DYNSTRNAME=<none>]]
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DynamicSymbols:
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- Name: foo
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## Check that llvm-readelf reports a warning when the name of the SHT_GNU_verdef section can't be read.
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# RUN: yaml2obj %s --docnum=2 -DSHNAME=0xFF -o %t.invalid.name
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# RUN: llvm-readobj -V %t.invalid.name 2>&1 | \
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# RUN: FileCheck %s --check-prefix=INVALID-NAME-LLVM -DFILE=%t.invalid.name --implicit-check-not=warning:
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# RUN: llvm-readelf -V %t.invalid.name 2>&1 | \
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# RUN: FileCheck %s --check-prefix=INVALID-NAME-GNU -DFILE=%t.invalid.name --implicit-check-not=warning:
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# INVALID-NAME-LLVM: VersionDefinitions [
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# INVALID-NAME-LLVM-NEXT: ]
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# INVALID-NAME-GNU: warning: '[[FILE]]': unable to get the name of SHT_GNU_verdef section with index 1: a section [index 1] has an invalid sh_name (0xff) offset which goes past the end of the section name string table
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# INVALID-NAME-GNU-NEXT: Version definition section '<?>' contains 0 entries:
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# INVALID-NAME-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (.dynstr)
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## Check that llvm-readelf reports a warning when we are unable to read the name of
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## the section linked with the SHT_GNU_verdef section (usually ".dynstr").
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# RUN: yaml2obj %s --docnum=2 -DDYNSTRNAME=0xFF -o %t.invalid.name2
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# RUN: llvm-readobj -V %t.invalid.name2 2>&1 | \
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# RUN: FileCheck %s --check-prefix=INVALID-NAME-LLVM -DFILE=%t.invalid.name2 --implicit-check-not=warning:
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# RUN: llvm-readelf -V %t.invalid.name2 2>&1 | \
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# RUN: FileCheck %s --check-prefix=INVALID-NAME2-GNU -DFILE=%t.invalid.name2 --implicit-check-not=warning:
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# INVALID-NAME2-GNU: Version definition section '.gnu.version_d' contains 0 entries:
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# INVALID-NAME2-GNU-NEXT: warning: '[[FILE]]': unable to get the name of SHT_STRTAB section with index 2: a section [index 2] has an invalid sh_name (0xff) offset which goes past the end of the section name string table
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# INVALID-NAME2-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (<?>)
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## Check that we report a warning when a SHT_GNU_verdef section contains a version definition
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## that goes past the end of the section.
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# RUN: yaml2obj %s --docnum=3 -o %t4
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# RUN: llvm-readobj -V %t4 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t4
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# RUN: llvm-readelf -V %t4 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t4
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# DEF-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: version definition 1 goes past the end of the section
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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_DYN
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Sections:
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- Name: .gnu.version_d
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Type: SHT_GNU_verdef
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Entries:
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- Names:
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- FOO
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ShSize: 1
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DynamicSymbols:
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- Name: foo
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## Check that we report a warning when a SHT_GNU_verdef section contains a version definition
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## that refers to an auxiliary entry that goes past the end of the section.
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# RUN: yaml2obj %s --docnum=4 -o %t5
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# RUN: llvm-readobj -V %t5 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t5
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# RUN: llvm-readelf -V %t5 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t5
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# AUX-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: version definition 1 refers to an auxiliary entry that goes past the end of the section
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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_DYN
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Sections:
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- Name: .gnu.version_d
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Type: SHT_GNU_verdef
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Entries:
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- Names:
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- FOO
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ShSize: 21
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DynamicSymbols:
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- Name: foo
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## Check that we can dump a SHT_GNU_verdef section properly even if it contains version names strings
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## that overrun the linked string table.
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# RUN: yaml2obj %s --docnum=5 -o %t6
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# RUN: llvm-readobj -V %t6 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-LLVM --implicit-check-not="warning:" -DFILE=%t6
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# RUN: llvm-readelf -V %t6 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-GNU --implicit-check-not="warning:" -DFILE=%t6
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# PAST-STRTAB-END-LLVM: VersionDefinitions [
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# PAST-STRTAB-END-LLVM-NEXT: Definition {
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# PAST-STRTAB-END-LLVM-NEXT: Version: 1
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# PAST-STRTAB-END-LLVM-NEXT: Flags [ (0x0)
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# PAST-STRTAB-END-LLVM-NEXT: ]
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# PAST-STRTAB-END-LLVM-NEXT: Index: 0
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# PAST-STRTAB-END-LLVM-NEXT: Hash: 0
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# PAST-STRTAB-END-LLVM-NEXT: Name: <invalid vda_name: 5>
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# PAST-STRTAB-END-LLVM-NEXT: Predecessors: []
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# PAST-STRTAB-END-LLVM-NEXT: }
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# PAST-STRTAB-END-LLVM-NEXT: ]
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# PAST-STRTAB-END-GNU: Version definition section '.gnu.version_d' contains 1 entries:
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# PAST-STRTAB-END-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (.strtab)
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# PAST-STRTAB-END-GNU-NEXT: 0x0000: Rev: 1 Flags: none Index: 0 Cnt: 1 Name: <invalid vda_name: 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_DYN
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Sections:
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- Name: .gnu.version_d
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Type: SHT_GNU_verdef
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Link: .strtab
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Entries:
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- Names:
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- FOO
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- Name: .strtab
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Type: SHT_STRTAB
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DynamicSymbols:
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- Name: BAR
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## Check we report a warning when a version definition is not correctly aligned in memory.
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# RUN: yaml2obj %s --docnum=6 -o %t7
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# RUN: llvm-readobj -V %t7 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t7
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# RUN: llvm-readelf -V %t7 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t7
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# MISALIGNED-DEF: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned version definition entry at offset 0x0
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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_DYN
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Sections:
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- Type: Fill
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Size: 0x1
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- Name: .gnu.version_d
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Type: SHT_GNU_verdef
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Link: .dynstr
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Info: 0x1
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Entries:
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- Names:
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- FOO
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DynamicSymbols:
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- Name: foo
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## Check we report a warning when an auxiliary entry is not correctly aligned in memory.
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# RUN: yaml2obj %s --docnum=7 -o %t8
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# RUN: llvm-readobj -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t8
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# RUN: llvm-readelf -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t8
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# MISALIGNED-AUX: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned auxiliary entry at offset 0x13
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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_DYN
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Sections:
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- Name: .gnu.version_d
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Type: SHT_GNU_verdef
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Flags: [ SHF_ALLOC ]
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Link: .dynstr
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Info: 0x1
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## The byte offset to the auxiliary entry is 0x13, i.e. it is not correctly aligned in memory.
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Content: "0100000000000100000000001300000000000000"
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DynamicSymbols:
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- Name: foo
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Binding: STB_GLOBAL
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## Check how we handle a version definition entry with an unsupported version.
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# RUN: yaml2obj %s --docnum=8 -o %t9
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# RUN: llvm-readobj -V %t9 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED-VERSION -DFILE=%t9
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# RUN: llvm-readelf -V %t9 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED-VERSION -DFILE=%t9
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# UNSUPPORTED-VERSION: warning: '[[FILE]]': unable to dump SHT_GNU_verdef section with index 1: version 65278 is not yet supported
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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_DYN
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Sections:
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- Name: .gnu.version_d
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Type: SHT_GNU_verdef
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Link: .dynstr
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Info: 0x1
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Entries:
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- Version: 0xfefe
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Names: []
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DynamicSymbols:
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- Name: foo
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## Check we report a warning when trying to print version symbols, but SHT_GNU_verdef
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## is invalid due to any reason.
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# RUN: yaml2obj %s --docnum=9 -o %t10
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# RUN: llvm-readobj -V %t10 2>&1 | FileCheck %s --check-prefix=INVALID-VERDEF-LLVM -DFILE=%t10
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# RUN: llvm-readelf -V %t10 2>&1 | FileCheck %s --check-prefix=INVALID-VERDEF-GNU -DFILE=%t10
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# INVALID-VERDEF-LLVM: VersionSymbols [
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# INVALID-VERDEF-LLVM-NEXT: Symbol {
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# INVALID-VERDEF-LLVM-NEXT: Version: 0
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# INVALID-VERDEF-LLVM-NEXT: Name: {{$}}
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# INVALID-VERDEF-LLVM-NEXT: }
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# INVALID-VERDEF-LLVM-NEXT: Symbol {
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# INVALID-VERDEF-LLVM-NEXT: Version: 2
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# INVALID-VERDEF-LLVM-NEXT: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 2: version definition 1 goes past the end of the section
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# INVALID-VERDEF-LLVM-NEXT: Name: foo@<corrupt>
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# INVALID-VERDEF-GNU: Version symbols section '.gnu.version' contains 2 entries:
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# INVALID-VERDEF-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 3 (.dynsym)
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# INVALID-VERDEF-GNU-NEXT: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 2: version definition 1 goes past the end of the section
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# INVALID-VERDEF-GNU-NEXT: 000: 0 (*local*) 2 (<corrupt>)
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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_DYN
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Sections:
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- Name: .gnu.version
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Type: SHT_GNU_versym
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Flags: [ SHF_ALLOC ]
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AddressAlign: 0x0000000000000002
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EntSize: 0x0000000000000002
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Entries: [ 0, 2 ]
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- Name: .gnu.version_d
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Type: SHT_GNU_verdef
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Flags: [ SHF_ALLOC ]
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AddressAlign: 0x4
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Info: 0x1
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Entries: []
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DynamicSymbols:
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- Name: foo
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Binding: STB_GLOBAL
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