## Test how llvm-readobj/llvm-readelf tools handle invalid SHT_GNU_verneed sections. ## In the first case we have a SHT_GNU_versym section that refers to ## a version listed in a SHT_GNU_verneed section. That version has an ## empty name, making it invalid. # RUN: yaml2obj --docnum=1 %s -o %t1 # RUN: llvm-readelf -V %t1 | FileCheck %s --check-prefix=GNU-VERNEED-NAME # RUN: llvm-readobj -V %t1 | FileCheck %s --check-prefix=LLVM-VERNEED-NAME # GNU-VERNEED-NAME: Version symbols section '.gnu.version' contains 2 entries: # GNU-VERNEED-NAME-NEXT: Addr: 0000000000200210 Offset: 0x000040 Link: 3 (.dynsym) # GNU-VERNEED-NAME-NEXT: 000: 0 (*local*) 2 () # GNU-VERNEED-NAME: Version needs section '.gnu.version_r' contains 1 entries: # GNU-VERNEED-NAME-NEXT: Addr: 0000000000200214 Offset: 0x000044 Link: 4 (.dynstr) # GNU-VERNEED-NAME-NEXT: 0x0000: Version: 1 File: somefile Cnt: 1 # GNU-VERNEED-NAME-NEXT: 0x0010: Name: Flags: none Version: 2 # LLVM-VERNEED-NAME: VersionSymbols [ # LLVM-VERNEED-NAME: Symbol { # LLVM-VERNEED-NAME-NEXT: Version: 0 # LLVM-VERNEED-NAME-NEXT: Name: # LLVM-VERNEED-NAME-NEXT: } # LLVM-VERNEED-NAME-NEXT: Symbol { # LLVM-VERNEED-NAME-NEXT: Version: 2 # LLVM-VERNEED-NAME-NEXT: Name: foo # LLVM-VERNEED-NAME-NEXT: } # LLVM-VERNEED-NAME-NEXT: ] # LLVM-VERNEED-NAME: VersionRequirements [ # LLVM-VERNEED-NAME-NEXT: Dependency { # LLVM-VERNEED-NAME-NEXT: Version: 1 # LLVM-VERNEED-NAME-NEXT: Count: 1 # LLVM-VERNEED-NAME-NEXT: FileName: somefile # LLVM-VERNEED-NAME-NEXT: Entries [ # LLVM-VERNEED-NAME-NEXT: Entry { # LLVM-VERNEED-NAME-NEXT: Hash: 0 # LLVM-VERNEED-NAME-NEXT: Flags [ (0x0) # LLVM-VERNEED-NAME-NEXT: ] # LLVM-VERNEED-NAME-NEXT: Index: 2 # LLVM-VERNEED-NAME-NEXT: Name: {{$}} # LLVM-VERNEED-NAME-NEXT: } # LLVM-VERNEED-NAME-NEXT: ] # LLVM-VERNEED-NAME-NEXT: } # LLVM-VERNEED-NAME-NEXT: ] --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version Type: SHT_GNU_versym Flags: [ SHF_ALLOC ] Address: 0x200210 Entries: [ 0, 2 ] - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] AddressAlign: 4 Dependencies: - Version: 1 File: somefile Entries: - Name: '' ## invalid name Hash: 0 Flags: 0 Other: 2 DynamicSymbols: - Name: foo Binding: STB_GLOBAL ... ## In this case SHT_GNU_verneed is not linked to a dynamic string table. We check we handle ## this situation properly. # RUN: yaml2obj --docnum=2 %s -o %t2 # RUN: llvm-readelf -V %t2 2>&1 | FileCheck %s -DFILE=%t2 --check-prefix=GNU-NOLINK # RUN: llvm-readobj -V %t2 2>&1 | FileCheck %s -DFILE=%t2 --check-prefix=LLVM-NOLINK # GNU-NOLINK: Version symbols section '.gnu.version' contains 2 entries: # GNU-NOLINK-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 3 (.dynsym) # GNU-NOLINK-NEXT: warning: '[[FILE]]': invalid string table linked to SHT_GNU_verneed section with index 2: invalid sh_type for string table section [index 0]: expected SHT_STRTAB, but got SHT_NULL # GNU-NOLINK-NEXT: 000: 0 (*local*) 2 () # GNU-NOLINK: Version needs section '.gnu.version_r' contains 1 entries: # GNU-NOLINK-NEXT: Addr: 0000000000000004 Offset: 0x000044 Link: 0 () # GNU-NOLINK-NEXT: 0x0000: Version: 1 File: Cnt: 1 # GNU-NOLINK-NEXT: 0x0010: Name: Flags: none Version: 2 # LLVM-NOLINK: VersionSymbols [ # LLVM-NOLINK: Symbol { # LLVM-NOLINK-NEXT: Version: 0 # LLVM-NOLINK-NEXT: Name: # LLVM-NOLINK-NEXT: } # LLVM-NOLINK-NEXT: Symbol { # LLVM-NOLINK-NEXT: Version: 2 # LLVM-NOLINK-NEXT: warning: '[[FILE]]': invalid string table linked to SHT_GNU_verneed section with index 2: invalid sh_type for string table section [index 0]: expected SHT_STRTAB, but got SHT_NULL # LLVM-NOLINK-NEXT: Name: foo@ # LLVM-NOLINK-NEXT: } # LLVM-NOLINK-NEXT: ] # LLVM-NOLINK: VersionRequirements [ # LLVM-NOLINK-NEXT: Dependency { # LLVM-NOLINK-NEXT: Version: 1 # LLVM-NOLINK-NEXT: Count: 1 # LLVM-NOLINK-NEXT: FileName: # LLVM-NOLINK-NEXT: Entries [ # LLVM-NOLINK-NEXT: Entry { # LLVM-NOLINK-NEXT: Hash: 0 # LLVM-NOLINK-NEXT: Flags [ (0x0) # LLVM-NOLINK-NEXT: ] # LLVM-NOLINK-NEXT: Index: 2 # LLVM-NOLINK-NEXT: Name: # LLVM-NOLINK-NEXT: } # LLVM-NOLINK-NEXT: ] # LLVM-NOLINK-NEXT: } # LLVM-NOLINK-NEXT: ] --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version Type: SHT_GNU_versym Flags: [ SHF_ALLOC ] Entries: [ 0, 2 ] - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Link: 0 AddressAlign: 4 Dependencies: - Version: 1 File: somefile Entries: - Name: 'bar' Hash: 0 Flags: 0 Other: 2 DynamicSymbols: - Name: foo Binding: STB_GLOBAL ## We can't parse misaligned auxiliary version records. # RUN: yaml2obj --docnum=3 %s -o %t3 # RUN: llvm-readelf -V %t3 2>&1 | FileCheck %s -DFILE=%t3 --check-prefix=BROKEN-AUX-GNU # RUN: llvm-readobj -V %t3 2>&1 | FileCheck %s -DFILE=%t3 --check-prefix=BROKEN-AUX-LLVM # BROKEN-AUX-GNU: Version symbols section '.gnu.version' contains 1 entries: # BROKEN-AUX-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 3 (.dynsym) # BROKEN-AUX-GNU-NEXT: warning: '[[FILE]]': invalid SHT_GNU_verneed section with index 2: found a misaligned auxiliary entry at offset 0x11 # BROKEN-AUX-GNU-NEXT: 000: 2 () # BROKEN-AUX-LLVM: VersionSymbols [ # BROKEN-AUX-LLVM-NEXT: Symbol { # BROKEN-AUX-LLVM-NEXT: Version: 2 # BROKEN-AUX-LLVM-NEXT: warning: '[[FILE]]': invalid SHT_GNU_verneed section with index 2: found a misaligned auxiliary entry at offset 0x11 # BROKEN-AUX-LLVM-NEXT: Name: @ # BROKEN-AUX-LLVM-NEXT: } # BROKEN-AUX-LLVM-NEXT: ] --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version Type: SHT_GNU_versym Flags: [ SHF_ALLOC ] Entries: [ 2 ] - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Info: 1 AddressAlign: 4 ## The byte offset to the auxiliary entry is 0x11, i.e. it is not correctly aligned in memory. Content: "0100010001000000110000000000000000000000" DynamicSymbols: [] ## Here we check that we can properly dump the case when a dependency file name ## and/or a dependency name string offset is equal to the string table size. ## ## We set the version dependency vn_file field to the offset of string 'foo' in ## the .dynstr, which is 1. We create a custom string table .mystrtab of size 1 ## and link it with the .gnu.version_r section. For the vna_name we use the same trick. # RUN: yaml2obj --docnum=4 %s -o %t4 # RUN: llvm-readobj --sections --section-data -V %t4 | FileCheck %s --check-prefix=LLVM-OFFSET-EQ # RUN: llvm-readelf --sections -V %t4 | FileCheck %s --check-prefix=GNU-OFFSET-EQ # LLVM-OFFSET-EQ: Name: .mystrtab # LLVM-OFFSET-EQ: Size: # LLVM-OFFSET-EQ-SAME: 1 # LLVM-OFFSET-EQ: Name: .dynstr # LLVM-OFFSET-EQ: SectionData ( # LLVM-OFFSET-EQ-NEXT: 0000: 00666F6F 00 |.foo.| # LLVM-OFFSET-EQ-NEXT: ) # LLVM-OFFSET-EQ: VersionRequirements [ # LLVM-OFFSET-EQ-NEXT: Dependency { # LLVM-OFFSET-EQ-NEXT: Version: 1 # LLVM-OFFSET-EQ-NEXT: Count: 1 # LLVM-OFFSET-EQ-NEXT: FileName: # LLVM-OFFSET-EQ-NEXT: Entries [ # LLVM-OFFSET-EQ-NEXT: Entry { # LLVM-OFFSET-EQ-NEXT: Hash: 0 # LLVM-OFFSET-EQ-NEXT: Flags [ (0x0) # LLVM-OFFSET-EQ-NEXT: ] # LLVM-OFFSET-EQ-NEXT: Index: 0 # LLVM-OFFSET-EQ-NEXT: Name: # LLVM-OFFSET-EQ-NEXT: } # LLVM-OFFSET-EQ-NEXT: ] # LLVM-OFFSET-EQ-NEXT: } # LLVM-OFFSET-EQ-NEXT: ] # GNU-OFFSET-EQ: Version needs section '.gnu.version_r' contains 1 entries: # GNU-OFFSET-EQ-NEXT: Addr: 0000000000000004 Offset: 0x000044 Link: 1 (.mystrtab) # GNU-OFFSET-EQ-NEXT: 0x0000: Version: 1 File: Cnt: 1 # GNU-OFFSET-EQ-NEXT: 0x0010: Name: Flags: none Version: 0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .mystrtab Type: SHT_STRTAB Content: "00" - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Link: .mystrtab AddressAlign: 4 Dependencies: - Version: 1 File: foo Entries: - Name: 'foo' Hash: 0 Flags: 0 Other: 0 DynamicSymbols: - Name: foo ## Here we check that we can properly dump the case when a dependency file name ## and/or a dependency name string offset is greater than the string table size. ## # RUN: yaml2obj --docnum=5 %s -o %t5 # RUN: llvm-readobj --sections -V %t5 | FileCheck %s --check-prefix=LLVM-OFFSET-GR # RUN: llvm-readelf --sections -V %t5 | FileCheck %s --check-prefix=GNU-OFFSET-GR # LLVM-OFFSET-GR: VersionRequirements [ # LLVM-OFFSET-GR-NEXT: Dependency { # LLVM-OFFSET-GR-NEXT: Version: 1 # LLVM-OFFSET-GR-NEXT: Count: 1 # LLVM-OFFSET-GR-NEXT: FileName: # LLVM-OFFSET-GR-NEXT: Entries [ # LLVM-OFFSET-GR-NEXT: Entry { # LLVM-OFFSET-GR-NEXT: Hash: 0 # LLVM-OFFSET-GR-NEXT: Flags [ (0x0) # LLVM-OFFSET-GR-NEXT: ] # LLVM-OFFSET-GR-NEXT: Index: 0 # LLVM-OFFSET-GR-NEXT: Name: # LLVM-OFFSET-GR-NEXT: } # LLVM-OFFSET-GR-NEXT: ] # LLVM-OFFSET-GR-NEXT: } # LLVM-OFFSET-GR-NEXT: ] # GNU-OFFSET-GR: Version needs section '.gnu.version_r' contains 1 entries: # GNU-OFFSET-GR-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 1 (.mystrtab) # GNU-OFFSET-GR-NEXT: 0x0000: Version: 1 File: Cnt: 1 # GNU-OFFSET-GR-NEXT: 0x0010: Name: Flags: none Version: 0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .mystrtab Type: SHT_STRTAB Content: "" - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Link: .mystrtab AddressAlign: 4 Dependencies: - Version: 1 File: foo Entries: - Name: 'foo' Hash: 0 Flags: 0 Other: 0 DynamicSymbols: - Name: foo ## Check that we report a warning when sh_link references a non-existent section. # RUN: yaml2obj --docnum=6 %s -DLINK=0xFF -o %t6 # RUN: llvm-readobj --sections -V %t6 2>&1 | FileCheck %s -DFILE=%t6 --implicit-check-not="warning:" --check-prefix=INVALID-LINK-LLVM # RUN: llvm-readelf --sections -V %t6 2>&1 | FileCheck %s -DFILE=%t6 --implicit-check-not="warning:" --check-prefix=INVALID-LINK-GNU # INVALID-LINK-LLVM: VersionRequirements [ # INVALID-LINK-LLVM-NEXT: warning: '[[FILE]]': invalid section linked to SHT_GNU_verneed section with index 1: invalid section index: 255 # INVALID-LINK-LLVM-NEXT: Dependency { # INVALID-LINK-LLVM-NEXT: Version: 1 # INVALID-LINK-LLVM-NEXT: Count: 1 # INVALID-LINK-LLVM-NEXT: FileName: # INVALID-LINK-LLVM-NEXT: Entries [ # INVALID-LINK-LLVM-NEXT: Entry { # INVALID-LINK-LLVM-NEXT: Hash: 0 # INVALID-LINK-LLVM-NEXT: Flags [ (0x0) # INVALID-LINK-LLVM-NEXT: ] # INVALID-LINK-LLVM-NEXT: Index: 0 # INVALID-LINK-LLVM-NEXT: Name: # INVALID-LINK-LLVM-NEXT: } # INVALID-LINK-LLVM-NEXT: ] # INVALID-LINK-LLVM-NEXT: } # INVALID-LINK-LLVM-NEXT: ] # INVALID-LINK-GNU: Version needs section '.gnu.version_r' contains 1 entries: # INVALID-LINK-GNU-NEXT: warning: '[[FILE]]': invalid section linked to SHT_GNU_verneed section with index 1: invalid section index: 255 # INVALID-LINK-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 255 () # INVALID-LINK-GNU-NEXT: 0x0000: Version: 1 File: Cnt: 1 # INVALID-LINK-GNU-NEXT: 0x0010: Name: Flags: none Version: 0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Link: [[LINK=.dynstr]] ShName: [[SHNAME=]] Dependencies: - Version: 1 File: foo Entries: - Name: 'foo' Hash: 0 Flags: 0 Other: 0 - Name: .dynstr Type: SHT_STRTAB ShName: [[DYNSTRNAME=]] DynamicSymbols: - Name: foo ## Check that llvm-readelf reports a warning when the name of the SHT_GNU_verneed section can't be read. # RUN: yaml2obj --docnum=6 %s -DSHNAME=0xFFFFFFFF -o %t.invalid.name # RUN: llvm-readobj -V %t.invalid.name 2>&1 | \ # RUN: FileCheck %s -DFILE=%t.invalid.name --check-prefix=INVALID-NAME-LLVM --implicit-check-not=warning: # RUN: llvm-readelf -V %t.invalid.name 2>&1 | \ # RUN: FileCheck %s -DFILE=%t.invalid.name --check-prefix=INVALID-NAME-GNU --implicit-check-not=warning: # INVALID-NAME-LLVM: VersionRequirements [ # INVALID-NAME-LLVM-NEXT: Dependency { # INVALID-NAME-LLVM-NEXT: Version: 1 # INVALID-NAME-LLVM-NEXT: Count: 1 # INVALID-NAME-LLVM-NEXT: FileName: foo # INVALID-NAME-LLVM-NEXT: Entries [ # INVALID-NAME-LLVM-NEXT: Entry { # INVALID-NAME-LLVM-NEXT: Hash: 0 # INVALID-NAME-LLVM-NEXT: Flags [ (0x0) # INVALID-NAME-LLVM-NEXT: ] # INVALID-NAME-LLVM-NEXT: Index: 0 # INVALID-NAME-LLVM-NEXT: Name: foo # INVALID-NAME-LLVM-NEXT: } # INVALID-NAME-LLVM-NEXT: ] # INVALID-NAME-LLVM-NEXT: } # INVALID-NAME-LLVM-NEXT: ] # INVALID-NAME-GNU: warning: '[[FILE]]': unable to get the name of SHT_GNU_verneed section with index 1: a section [index 1] has an invalid sh_name (0xffffffff) offset which goes past the end of the section name string table # INVALID-NAME-GNU-NEXT: Version needs section '' contains 1 entries: # INVALID-NAME-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 (.dynstr) # INVALID-NAME-GNU-NEXT: 0x0000: Version: 1 File: foo Cnt: 1 # INVALID-NAME-GNU-NEXT: 0x0010: Name: foo Flags: none Version: 0 ## Check that llvm-readelf reports a warning when we are unable to read the name of ## the section linked with the SHT_GNU_verneed section (usually ".dynstr"). # RUN: yaml2obj --docnum=6 %s -DDYNSTRNAME=0xFFFFFFFF -o %t.invalid.name2 # RUN: llvm-readobj -V %t.invalid.name2 2>&1 | \ # RUN: FileCheck %s -DFILE=%t.invalid.name2 --check-prefix=INVALID-NAME-LLVM --implicit-check-not=warning: # RUN: llvm-readelf -V %t.invalid.name2 2>&1 | \ # RUN: FileCheck %s -DFILE=%t.invalid.name2 --check-prefix=INVALID-NAME2-GNU --implicit-check-not=warning: # INVALID-NAME2-GNU: Version needs section '.gnu.version_r' contains 1 entries: # 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 (0xffffffff) offset which goes past the end of the section name string table # INVALID-NAME2-GNU-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 2 () # INVALID-NAME2-GNU-NEXT: 0x0000: Version: 1 File: foo Cnt: 1 # INVALID-NAME2-GNU-NEXT: 0x0010: Name: foo Flags: none Version: 0 ## Check that we report a warning when we can't read the content of the SHT_GNU_verneed section. # RUN: yaml2obj --docnum=7 %s -o %t7 # RUN: llvm-readobj --sections -V %t7 2>&1 | FileCheck %s -DFILE=%t7 --check-prefix=INVALID-DATA # RUN: llvm-readelf --sections -V %t7 2>&1 | FileCheck %s -DFILE=%t7 --check-prefix=INVALID-DATA # INVALID-DATA: warning: '[[FILE]]': cannot read content of SHT_GNU_verneed section with index 1: section [index 1] has a sh_offset (0xffffffff) + sh_size (0x0) that is greater than the file size (0x228) --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] ShOffset: 0xFFFFFFFF ## Triggers creation of the .dynstr. DynamicSymbols: - Name: foo ## Check that we report a warning when a SHT_GNU_verneed section contains a version dependency ## that goes past the end of the section. # RUN: yaml2obj --docnum=8 %s -o %t8 # RUN: llvm-readobj --sections -V %t8 2>&1 | FileCheck %s -DFILE=%t8 --check-prefix=DEP-PAST-END # RUN: llvm-readelf --sections -V %t8 2>&1 | FileCheck %s -DFILE=%t8 --check-prefix=DEP-PAST-END # DEP-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verneed section with index 1: version dependency 1 goes past the end of the section --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] ShSize: 0x1 Dependencies: - Version: 1 File: foo Entries: - Name: 'foo' Hash: 0 Flags: 0 Other: 0 DynamicSymbols: - Name: foo ## Check we report a warning when a version dependency is not correctly aligned in memory. # RUN: yaml2obj --docnum=9 %s -o %t9 # RUN: llvm-readobj --sections -V %t9 2>&1 | FileCheck %s -DFILE=%t9 --check-prefix=MISALIGNED-DEP # RUN: llvm-readelf --sections -V %t9 2>&1 | FileCheck %s -DFILE=%t9 --check-prefix=MISALIGNED-DEP # MISALIGNED-DEP: warning: '[[FILE]]': invalid SHT_GNU_verneed section with index 1: found a misaligned version dependency entry at offset 0x0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Type: Fill Size: 0x1 - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Link: .dynstr Dependencies: - Version: 1 File: foo Entries: - Name: 'foo' Hash: 0 Flags: 0 Other: 0 DynamicSymbols: - Name: foo ## Check that we report a warning when a SHT_GNU_verneed section contains a dependency definition ## that refers to an auxiliary entry that goes past the end of the section. # RUN: yaml2obj --docnum=10 %s -o %t10 # RUN: llvm-readobj --sections -V %t10 2>&1 | FileCheck %s -DFILE=%t10 --check-prefix=AUX-PAST-END # RUN: llvm-readelf --sections -V %t10 2>&1 | FileCheck %s -DFILE=%t10 --check-prefix=AUX-PAST-END # AUX-PAST-END: warning: '[[FILE]]': invalid SHT_GNU_verneed section with index 1: version dependency 1 refers to an auxiliary entry that goes past the end of the section --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] ShSize: 21 Dependencies: - Version: 1 File: foo Entries: - Name: 'foo' Hash: 0 Flags: 0 Other: 0 DynamicSymbols: - Name: foo ## Check we report a warning when an auxiliary entry is not correctly aligned in memory. # RUN: yaml2obj %s --docnum=11 -o %t11 # RUN: llvm-readobj -V %t11 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t11 # RUN: llvm-readelf -V %t11 2>&1 | FileCheck %s --check-prefix=MISALIGNED-AUX -DFILE=%t11 # MISALIGNED-AUX: warning: '[[FILE]]': invalid SHT_GNU_verneed section with index 1: found a misaligned auxiliary entry at offset 0x11 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Info: 1 ## The byte offset to the auxiliary entry is 0x11, i.e. it is not correctly aligned in memory. Content: "0100010001000000110000000000000000000000" DynamicSymbols: - Name: foo ## Check how we handle the case when a dependency definition entry has an unsupported version. # RUN: yaml2obj %s --docnum=12 -o %t12 # RUN: llvm-readobj -V %t12 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED-VERSION -DFILE=%t12 # RUN: llvm-readelf -V %t12 2>&1 | FileCheck %s --check-prefix=UNSUPPORTED-VERSION -DFILE=%t12 # UNSUPPORTED-VERSION: warning: '[[FILE]]': unable to dump SHT_GNU_verneed section with index 1: version 65278 is not yet supported --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Dependencies: - Version: 0xfefe File: foo Entries: - Name: 'foo' Hash: 0 Flags: 0 Other: 0 DynamicSymbols: - Name: foo ## In this case SHT_GNU_verneed is linked to a custom dynamic string table, which is not ## called ".dynstr". Check we handle this case properly. # RUN: yaml2obj --docnum=13 %s -o %t13 # RUN: llvm-readelf -V %t13 2>&1 | FileCheck %s -DFILE=%t13 --check-prefix=GNU-CUSTOM-DYNSTR # RUN: llvm-readobj -V %t13 2>&1 | FileCheck %s -DFILE=%t13 --check-prefix=LLVM-CUSTOM-DYNSTR # GNU-CUSTOM-DYNSTR: Version symbols section '.gnu.version' contains 2 entries: # GNU-CUSTOM-DYNSTR-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 4 (.dynsym) # GNU-CUSTOM-DYNSTR-NEXT: 000: 0 (*local*) 2 (bcdefghij) # GNU-CUSTOM-DYNSTR: Version needs section '.gnu.version_r' contains 1 entries: # GNU-CUSTOM-DYNSTR-NEXT: Addr: 0000000000000004 Offset: 0x000044 Link: 3 (.custom.dynstr) # GNU-CUSTOM-DYNSTR-NEXT: 0x0000: Version: 1 File: j Cnt: 1 # GNU-CUSTOM-DYNSTR-NEXT: 0x0010: Name: bcdefghij Flags: none Version: 2 # LLVM-CUSTOM-DYNSTR: VersionSymbols [ # LLVM-CUSTOM-DYNSTR: Symbol { # LLVM-CUSTOM-DYNSTR: Version: 2 # LLVM-CUSTOM-DYNSTR-NEXT: Name: foo@bcdefghij # LLVM-CUSTOM-DYNSTR: VersionRequirements [ # LLVM-CUSTOM-DYNSTR: Dependency { # LLVM-CUSTOM-DYNSTR: Entries [ # LLVM-CUSTOM-DYNSTR: Entry { # LLVM-CUSTOM-DYNSTR: Index: 2 # LLVM-CUSTOM-DYNSTR-NEXT: Name: bcdefghij --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .gnu.version Type: SHT_GNU_versym Flags: [ SHF_ALLOC ] Entries: [ 0, 2 ] - Name: .gnu.version_r Type: SHT_GNU_verneed Flags: [ SHF_ALLOC ] Link: .custom.dynstr AddressAlign: 4 Dependencies: - Version: 1 File: zed Entries: - Name: 'bar' Hash: 0 Flags: 0 Other: 2 - Name: .custom.dynstr Type: SHT_STRTAB Content: "6162636465666768696a00" ## 'a','b','c','d','e','f','g','h','i','j',NIL DynamicSymbols: - Name: foo Binding: STB_GLOBAL