diff options
Diffstat (limited to 'llvm/test/tools/llvm-readobj/elf-versioninfo.test')
| -rw-r--r-- | llvm/test/tools/llvm-readobj/elf-versioninfo.test | 244 |
1 files changed, 240 insertions, 4 deletions
diff --git a/llvm/test/tools/llvm-readobj/elf-versioninfo.test b/llvm/test/tools/llvm-readobj/elf-versioninfo.test index 27bf302edf9..c732f7d2a2b 100644 --- a/llvm/test/tools/llvm-readobj/elf-versioninfo.test +++ b/llvm/test/tools/llvm-readobj/elf-versioninfo.test @@ -63,6 +63,7 @@ Sections: Names: - VERSION2 - VERSION1 + - VERSION3 - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] @@ -193,7 +194,7 @@ DynamicSymbols: # LLVM-NEXT: Index: 3 # LLVM-NEXT: Hash: 175630258 # LLVM-NEXT: Name: VERSION2 -# LLVM-NEXT: Predecessor: VERSION1 +# LLVM-NEXT: Predecessors: [VERSION1, VERSION3] # LLVM-NEXT: } # LLVM-NEXT: ] # LLVM-NEXT: VersionRequirements [ @@ -273,11 +274,12 @@ DynamicSymbols: # GNU-NEXT: 0x0038: Rev: 1 Flags: WEAK Index: 0 Cnt: 1 Name: VERSION1 # GNU-NEXT: 0x0054: Rev: 1 Flags: INFO Index: 0 Cnt: 1 Name: VERSION1 # GNU-NEXT: 0x0070: Rev: 1 Flags: BASE | WEAK | INFO Index: 2 Cnt: 1 Name: VERSION1 -# GNU-NEXT: 0x008c: Rev: 1 Flags: <unknown> Index: 3 Cnt: 2 Name: VERSION2 -# GNU-NEXT: 0x00a8: Parent 1: VERSION1 +# GNU-NEXT: 0x008c: Rev: 1 Flags: <unknown> Index: 3 Cnt: 3 Name: VERSION2 +# GNU-NEXT: 0x00b0: Parent 1: VERSION1 +# GNU-NEXT: 0x00b0: Parent 2: VERSION3 # GNU-EMPTY: # GNU-NEXT: Version needs section '.gnu.version_r' contains 2 entries: -# GNU-NEXT: Addr: 0000000000000000 Offset: 0x0000fc Link: 7 (.dynstr) +# GNU-NEXT: Addr: 0000000000000000 Offset: 0x000104 Link: 7 (.dynstr) # GNU-NEXT: 0x0000: Version: 1 File: verneed1.so.0 Cnt: 5 # GNU-NEXT: 0x0010: Name: v1 Flags: BASE Version: 0 # GNU-NEXT: 0x0020: Name: v1 Flags: WEAK Version: 0 @@ -286,3 +288,237 @@ DynamicSymbols: # GNU-NEXT: 0x0050: Name: v2 Flags: <unknown> Version: 5 # GNU-NEXT: 0x0060: Version: 1 File: verneed2.so.0 Cnt: 1 # GNU-NEXT: 0x0070: Name: v3 Flags: none Version: 6 + +## Check that we report a warning when sh_link references a non-existent section. + +# RUN: yaml2obj %s --docnum=2 -o %t2 +# RUN: llvm-readobj -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-LLVM -DFILE=%t2 +# RUN: not llvm-readelf -V %t2 2>&1 | FileCheck %s --check-prefix=INVALID-LINK-GNU -DFILE=%t2 + +# INVALID-LINK-LLVM: warning: '[[FILE]]': invalid section linked to SHT_GNU_verdef section with index 1: invalid section index: 255 + +## TODO: llvm-readelf should also report a meaningful warning instead of an error. +# INVALID-LINK-GNU: Version definition +# INVALID-LINK-GNU: error: '[[FILE]]': invalid section index: 255 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: 0xFF + Info: 0x0 + Entries: [] + +## Check that we report a warning when the sh_link field of a SHT_GNU_verdef section references a non-string table section. + +# RUN: yaml2obj %s --docnum=3 -o %t3 +# RUN: llvm-readobj -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t3 +# RUN: llvm-readelf -V %t3 2>&1 | FileCheck %s --check-prefix=INVALID-STRING-TABLE -DFILE=%t3 + +# 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 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: 0x0 + Info: 0x0 + Entries: [] + +## Check that we report a warning when we can't read the content of the SHT_GNU_verdef section. + +# RUN: yaml2obj %s --docnum=4 -o %t4 +# RUN: llvm-readobj -V %t4 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t4 +# RUN: llvm-readelf -V %t4 2>&1 | FileCheck %s --check-prefix=INVALID-DATA -DFILE=%t4 + +# 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 cannot be represented + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .dynstr + Info: 0x0 + Entries: [] + ShOffset: 0xFFFFFFFF +DynamicSymbols: + - Name: foo + +## Check that we report a warning when a SHT_GNU_verdef section contains a version definition +## that goes past the end of the section. + +# RUN: yaml2obj %s --docnum=5 -o %t5 +# RUN: llvm-readobj -V %t5 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t5 +# RUN: llvm-readelf -V %t5 2>&1 | FileCheck %s --check-prefix=DEF-PAST-END -DFILE=%t5 + +# DEF-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: version definition 1 goes past the end of the section + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .dynstr + Info: 0x1 + Entries: + - Version: 0 + Flags: 0 + VersionNdx: 0 + Hash: 0 + Names: + - FOO + ShSize: 1 +DynamicSymbols: + - Name: foo + +## Check that we report a warning when a SHT_GNU_verdef section contains a version definition +## that refers to an auxiliary entry that goes past the end of the section. + +# RUN: yaml2obj %s --docnum=6 -o %t6 +# RUN: llvm-readobj -V %t6 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t6 +# RUN: llvm-readelf -V %t6 2>&1 | FileCheck %s --check-prefix=AUX-PAST-END -DFILE=%t6 + +# 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 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .dynstr + Info: 0x1 + Entries: + - Version: 0 + Flags: 0 + VersionNdx: 0 + Hash: 0 + Names: + - FOO + ShSize: 21 +DynamicSymbols: + - Name: foo + +## Check that we can dump a SHT_GNU_verdef section properly even if it contains version names strings +## that overrun the linked string table. + +# RUN: yaml2obj %s --docnum=7 -o %t7 +# RUN: llvm-readobj -V %t7 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-LLVM --implicit-check-not="warning:" -DFILE=%t7 +# RUN: llvm-readelf -V %t7 2>&1 | FileCheck %s --check-prefix=PAST-STRTAB-END-GNU --implicit-check-not="warning:" -DFILE=%t7 + +# PAST-STRTAB-END-LLVM: VersionDefinitions [ +# PAST-STRTAB-END-LLVM-NEXT: Definition { +# PAST-STRTAB-END-LLVM-NEXT: Version: 0 +# PAST-STRTAB-END-LLVM-NEXT: Flags [ (0x0) +# PAST-STRTAB-END-LLVM-NEXT: ] +# PAST-STRTAB-END-LLVM-NEXT: Index: 0 +# PAST-STRTAB-END-LLVM-NEXT: Hash: 0 +# PAST-STRTAB-END-LLVM-NEXT: Name: <invalid vda_name: 5> +# PAST-STRTAB-END-LLVM-NEXT: } +# PAST-STRTAB-END-LLVM-NEXT: ] + +# PAST-STRTAB-END-GNU: Version definition section '.gnu.version_d' contains 1 entries: +# PAST-STRTAB-END-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (.strtab) +# PAST-STRTAB-END-GNU-NEXT: 0x0000: Rev: 0 Flags: none Index: 0 Cnt: 1 Name: <invalid vda_name: 5> + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .strtab + Info: 0x1 + Entries: + - Version: 0 + Flags: 0 + VersionNdx: 0 + Hash: 0 + Names: + - FOO + - Name: .strtab + Type: SHT_STRTAB +DynamicSymbols: + - Name: BAR + +## Check we report a warning when a version definition is not correctly aligned in memory. + +# RUN: yaml2obj %s --docnum=8 -o %t8 +# RUN: llvm-readobj -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t8 +# RUN: llvm-readelf -V %t8 2>&1 | FileCheck %s --check-prefix=MISALIGNED-DEF -DFILE=%t8 + +# MISALIGNED-DEF: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned version definition entry at offset 0x0 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Type: Fill + Size: 0x1 + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Link: .dynstr + Info: 0x1 + Entries: + - Version: 0 + Flags: 0 + VersionNdx: 0 + Hash: 0 + Names: + - FOO +DynamicSymbols: + - Name: foo + +## Check we report a warning when an auxiliary entry is not correctly aligned in memory. + +# RUN: yaml2obj %s --docnum=9 -o %t9 +# RUN: llvm-readobj -V %t9 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t9 +# RUN: llvm-readelf -V %t9 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t9 + +# MISALIGNED-AUX: warning: '[[FILE]]': invalid SHT_GNU_verdef section with index 1: found a misaligned auxiliary entry at offset 0x13 + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_DYN + Machine: EM_X86_64 +Sections: + - Name: .gnu.version_d + Type: SHT_GNU_verdef + Flags: [ SHF_ALLOC ] + Link: .dynstr + Info: 0x1 +## The byte offset to the auxiliary entry is 0x13, i.e. it is not correctly aligned in memory. + Content: "0000000000000100000000001300000000000000" +DynamicSymbols: + - Name: foo + Binding: STB_GLOBAL |
