diff options
Diffstat (limited to 'llvm/test/tools/llvm-readobj/elf-verneed-invalid.test')
| -rw-r--r-- | llvm/test/tools/llvm-readobj/elf-verneed-invalid.test | 98 |
1 files changed, 76 insertions, 22 deletions
diff --git a/llvm/test/tools/llvm-readobj/elf-verneed-invalid.test b/llvm/test/tools/llvm-readobj/elf-verneed-invalid.test index 88039f89c59..81976539bbc 100644 --- a/llvm/test/tools/llvm-readobj/elf-verneed-invalid.test +++ b/llvm/test/tools/llvm-readobj/elf-verneed-invalid.test @@ -86,11 +86,12 @@ DynamicSymbols: # GNU-NOLINK: Version symbols section '.gnu.version' contains 2 entries: # GNU-NOLINK-NEXT: Addr: 0000000000000000 Offset: 0x000040 Link: 5 (.dynsym) -# GNU-NOLINK-NEXT: 000: 0 (*local*) 2 (bar) +# GNU-NOLINK-NEXT: 000: 0 (*local*) +# 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: 2 (<corrupt>) +# GNU-NOLINK-EMPTY: # GNU-NOLINK: Version needs section '.gnu.version_r' contains 1 entries: # GNU-NOLINK-NEXT: Addr: 0000000000000000 Offset: 0x000044 Link: 0 () -# GNU-NOLINK-EMPTY: -# 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: 0x0000: Version: 1 File: <corrupt vn_file: 9> Cnt: 1 # GNU-NOLINK-NEXT: 0x0010: Name: <corrupt> Flags: none Version: 2 @@ -100,14 +101,14 @@ DynamicSymbols: # LLVM-NOLINK-NEXT: Name: # LLVM-NOLINK-NEXT: } # LLVM-NOLINK-NEXT: Symbol { +# LLVM-NOLINK-EMPTY: +# 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: Version: 2 -# LLVM-NOLINK-NEXT: Name: foo@bar +# LLVM-NOLINK-NEXT: Name: foo@<corrupt> # LLVM-NOLINK-NEXT: } # LLVM-NOLINK-NEXT: ] # LLVM-NOLINK: VersionRequirements [ -# LLVM-NOLINK-EMPTY: -# 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: Dependency { # LLVM-NOLINK-NEXT: Version: 1 # LLVM-NOLINK-NEXT: Count: 1 @@ -155,14 +156,12 @@ DynamicSymbols: Binding: STB_GLOBAL ## We can't parse misaligned auxiliary version records. -## Here we have a SHT_GNU_verneed section aligned by 1 byte. -## This makes the first auxiliary record offset % 4 be non-zero. # RUN: yaml2obj --docnum=3 %s -o %t3 # RUN: not llvm-readelf -V %t3 2>&1 | FileCheck %s -DFILE=%t3 --check-prefix=BROKEN-AUX # RUN: not llvm-readobj -V %t3 2>&1 | FileCheck %s -DFILE=%t3 --check-prefix=BROKEN-AUX -# BROKEN-AUX: error: '[[FILE]]': SHT_GNU_verneed: the vn_aux field of the entry with index 0 references a misaligned auxiliary record +# BROKEN-AUX: error: '[[FILE]]': invalid SHT_GNU_verneed section with index 2: found a misaligned auxiliary entry at offset 0x11 --- !ELF FileHeader: @@ -176,19 +175,14 @@ Sections: Flags: [ SHF_ALLOC ] Link: .dynsym Entries: [ 2 ] - - Name: .gnu.version_r - Type: SHT_GNU_verneed - Flags: [ SHF_ALLOC ] - Info: 1 - AddressAlign: 1 - Dependencies: - - Version: 1 - File: somefile - Entries: - - Name: 'bar' - Hash: 0 - Flags: 0 - Other: 2 + - Name: .gnu.version_r + Type: SHT_GNU_verneed + Flags: [ SHF_ALLOC ] + Info: 1 + Link: .dynstr + AddressAlign: 4 +## The byte offset to the auxiliary entry is 0x11, i.e. it is not correctly aligned in memory. + Content: "0100010001000000110000000000000000000000" DynamicSymbols: - Name: foo @@ -551,3 +545,63 @@ Sections: 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: 6 (.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: 0000000000000000 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 + Machine: EM_X86_64 +Sections: + - Name: .gnu.version + Type: SHT_GNU_versym + Flags: [ SHF_ALLOC ] + Link: .dynsym + Entries: [ 0, 2 ] + - Name: .gnu.version_r + Type: SHT_GNU_verneed + Flags: [ SHF_ALLOC ] + Link: .custom.dynstr + Info: 1 + 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 |
