## Here we test how llvm-readelf/llvm-readobj behave when inputs have

## invalid versioning 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: 5 (.dynsym)

# GNU-VERNEED-NAME-NEXT: 000: 0 (*local*) 2 (*invalid*)

# GNU-VERNEED-NAME: Version needs section '.gnu.version_r' contains 1 entries:

# GNU-VERNEED-NAME-NEXT: Addr: 0000000000000000 Offset: 0x000044 Link: 6 (.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: Index: 2

# LLVM-VERNEED-NAME-NEXT: Name: {{$}}

# LLVM-VERNEED-NAME-NEXT: }

# LLVM-VERNEED-NAME-NEXT: ]

# LLVM-VERNEED-NAME-NEXT: }

# LLVM-VERNEED-NAME-NEXT: ]

Class: ELFCLASS64

Data: ELFDATA2LSB

Type: ET_EXEC

Machine: EM_X86_64

- Name: .gnu.version

Type: SHT_GNU_versym

Flags: [ SHF_ALLOC ]

Address: 0x200210

Link: .dynsym

Entries: [ 0, 2 ]

- Name: .gnu.version_r

Type: SHT_GNU_verneed

Flags: [ SHF_ALLOC ]

Link: .dynstr

Info: 1

AddressAlign: 4

- Version: 1

File: somefile

- Name: '' ## invalid name

Hash: 0

Flags: 0

Other: 2

- 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 | FileCheck %s --check-prefix=GNU-NOLINK

# RUN: llvm-readobj -V %t2 | FileCheck %s --check-prefix=LLVM-NOLINK

# 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: Version needs section '.gnu.version_r' contains 1 entries:

# GNU-NOLINK-NEXT: Addr: 0000000000000000 Offset: 0x000044 Link: 0 ()

# GNU-NOLINK-NEXT: 0x0000: Version: 1 File: <invalid> Cnt: 1

# GNU-NOLINK-NEXT: 0x0010: Name: <invalid> 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: Name: foo@bar

# 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: <invalid>

# LLVM-NOLINK-NEXT: Entries [

# LLVM-NOLINK-NEXT: Entry {

# LLVM-NOLINK-NEXT: Hash: 0

# LLVM-NOLINK-NEXT: Flags: 0

# LLVM-NOLINK-NEXT: Index: 2

# LLVM-NOLINK-NEXT: Name: <invalid>

# LLVM-NOLINK-NEXT: }

# LLVM-NOLINK-NEXT: ]

# LLVM-NOLINK-NEXT: }

# LLVM-NOLINK-NEXT: ]

--- !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: 0

Info: 1

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.

## 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

--- !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: [ 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

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 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: <invalid>

# 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: Index: 0

# LLVM-OFFSET-EQ-NEXT: Name: <invalid>

# 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: 0000000000000000 Offset: 0x000044 Link: 1 (.mystrtab)

# GNU-OFFSET-EQ-NEXT: 0x0000: Version: 1 File: <invalid> Cnt: 1

# GNU-OFFSET-EQ-NEXT: 0x0010: Name: <invalid> Flags: none Version: 0

--- !ELF

FileHeader:

Class: ELFCLASS64

Data: ELFDATA2LSB

Type: ET_EXEC

Machine: EM_X86_64

Sections:

- Name: .mystrtab

Type: SHT_STRTAB

Content: "00"

- Name: .gnu.version_r

Type: SHT_GNU_verneed

Flags: [ SHF_ALLOC ]

Info: 1

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: <invalid>

# 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: Index: 0

# LLVM-OFFSET-GR-NEXT: Name: <invalid>

# 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: <invalid> Cnt: 1

# GNU-OFFSET-GR-NEXT: 0x0010: Name: <invalid> Flags: none Version: 0

--- !ELF

FileHeader:

Class: ELFCLASS64

Data: ELFDATA2LSB

Type: ET_EXEC

Machine: EM_X86_64

Sections:

- Name: .mystrtab

Type: SHT_STRTAB

Content: ""

- Name: .gnu.version_r

Type: SHT_GNU_verneed

Flags: [ SHF_ALLOC ]

Info: 1

Link: .mystrtab

AddressAlign: 4

Dependencies:

- Version: 1

File: foo

Entries:

- Name: 'foo'

Hash: 0

Flags: 0

Other: 0

DynamicSymbols:

- Name: foo