test/tools/llvm-objcopy/ELF/strip-dwo-groups.test

# RUN: yaml2obj %s -o %t
# RUN: llvm-objcopy --strip-dwo %t
# RUN: llvm-readobj --symbols -S --elf-section-groups %t | FileCheck %s

## `llvm-objcopy --strip-dwo` strips out dwo sections, as a result, the index of 
## the symbol table, the indices of the symbols and the indices of the sections
## which go after the removed ones will change. Consequently, the fields 
## Link, Info and the content of .group need to be updated.

# CHECK-NOT: .debug_

# CHECK:      Groups {
# CHECK-NEXT:  Group {
# CHECK-NEXT:   Name: .group (1)
# CHECK-NEXT:   Index: 1{{$}}
# CHECK-NEXT:   Link: 6
# CHECK-NEXT:   Info: 2
# CHECK-NEXT:   Type: COMDAT (0x1)
# CHECK-NEXT:   Signature: group1
# CHECK-NEXT:   Section(s) in group [
# CHECK-NEXT:     .text.group1 (3)
# CHECK-NEXT:   ]

# CHECK-NOT: .debug_

# CHECK:      Name: .group (1)
# CHECK-NEXT: Index: 2{{$}}
# CHECK-NEXT: Link: 6
# CHECK-NEXT: Info: 1
# CHECK-NEXT: Type: COMDAT (0x1)
# CHECK-NEXT: Signature: group2
# CHECK-NEXT: Section(s) in group [
# CHECK-NEXT:   .text.group2 (4)
# CHECK-NEXT:   .rela.text.group2 (5)
# CHECK-NEXT: ]

# CHECK-NOT: .debug_

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Sections:
  - Name: .debug_before.dwo
    Type: SHT_PROGBITS
  - Name: .group
    Type: SHT_GROUP
    Link: .symtab
    Info: group1
    Members:
      - SectionOrType: GRP_COMDAT
      - SectionOrType: .text.group1
  - Name:  .text.group1
    Type:  SHT_PROGBITS
    Flags: [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
  - Name: '.group (1)'
    Type: SHT_GROUP
    Link: .symtab
    Info: group2
    Members:
      - SectionOrType: GRP_COMDAT
      - SectionOrType: .text.group2
      - SectionOrType: .rela.text.group2
  - Name:  .text.group2
    Type:  SHT_PROGBITS
    Flags: [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
  - Name:  .rela.text.group2
    Type:  SHT_RELA
    Flags: [ SHF_GROUP ]
    Info:  .text.group2
  - Name: .debug_after.dwo
    Type: SHT_PROGBITS
Symbols:
  - Name:    debug_before
    Section: .debug_before.dwo
  - Name:    group2
    Section: .text.group2
  - Name:    group1
    Section: .text.group1
  - Name:    debug_after
    Section: .debug_after.dwo