groups.test 3.82 KB
## Check that llvm-readelf and llvm-readobj can
## dump SHT_GROUP sections properly.

# RUN: yaml2obj %s -o %t.o
# RUN: llvm-readobj -g %t.o | FileCheck %s
# RUN: llvm-readelf -g %t.o | FileCheck --check-prefix=GNU %s

# CHECK:      Groups {
# CHECK-NEXT:   Group {
# CHECK-NEXT:     Name: .group
# CHECK-NEXT:     Index: 1
# CHECK-NEXT:     Link: 7
# CHECK-NEXT:     Info: 1
# CHECK-NEXT:     Type: COMDAT
# CHECK-NEXT:     Signature: foo
# CHECK-NEXT:     Section(s) in group [
# CHECK-NEXT:       .text.foo
# CHECK-NEXT:       .rela.text.foo
# CHECK-NEXT:     ]
# CHECK-NEXT:   }
# CHECK-NEXT:   Group {
# CHECK-NEXT:     Name: .group1
# CHECK-NEXT:     Index: 2
# CHECK-NEXT:     Link: 7
# CHECK-NEXT:     Info: 2
# CHECK-NEXT:     Type: COMDAT
# CHECK-NEXT:     Signature: bar
# CHECK-NEXT:     Section(s) in group [
# CHECK-NEXT:       .text.bar
# CHECK-NEXT:       .rela.text.bar
# CHECK-NEXT:     ]
# CHECK-NEXT:   }

# GNU:      COMDAT group section [    1] `.group' [foo] contains 2 sections:
# GNU-NEXT:  [Index]  Name
# GNU-NEXT:  [    3] .text.foo
# GNU-NEXT:  [    4] .rela.text.foo
# GNU:      COMDAT group section [    2] `.group1' [bar] contains 2 sections:
# GNU-NEXT:  [Index]  Name
# GNU-NEXT:  [    5] .text.bar
# GNU-NEXT:  [    6] .rela.text.bar

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_REL
Sections:
  - Name: .group
    Type: SHT_GROUP
    Link: .symtab
    Info: foo
    Members:
      - SectionOrType: GRP_COMDAT
      - SectionOrType: .text.foo
      - SectionOrType: .rela.text.foo
  - Name: .group1
    Type: SHT_GROUP
    Link: .symtab
    Info: bar
    Members:
      - SectionOrType: GRP_COMDAT
      - SectionOrType: [[TEXTBARNAME=.text.bar]]
      - SectionOrType: .rela.text.bar
  - Name:  .text.foo
    Type:  SHT_PROGBITS
  - Name: .rela.text.foo
    Type: SHT_RELA
    Link: .symtab
    Info: .text.foo
  - Name: .text.bar
    Type: SHT_PROGBITS
  - Name: .rela.text.bar
    Type: SHT_RELA
    Link: .symtab
    Info: .text.bar
Symbols:
  - Name:    foo
    Section: .text.foo
  - Name:    bar
    Section: .text.bar

## Check that we report a warning and continue dumping when a section is included
## in two group sections at the same time.

# RUN: yaml2obj %s -DTEXTBARNAME=.text.foo -o %t.dup.o
# RUN: llvm-readobj --elf-section-groups %t.dup.o 2>&1 | FileCheck %s -DFILE=%t.dup.o --check-prefix=DUP-LLVM
# RUN: llvm-readelf --elf-section-groups %t.dup.o 2>&1 | FileCheck %s -DFILE=%t.dup.o --check-prefix=DUP-GNU

# DUP-LLVM:      Group {
# DUP-LLVM-NEXT:   Name: .group
# DUP-LLVM-NEXT:   Index: 1
# DUP-LLVM-NEXT:   Link: 7
# DUP-LLVM-NEXT:   Info: 1
# DUP-LLVM-NEXT:   Type: COMDAT
# DUP-LLVM-NEXT:   Signature: foo
# DUP-LLVM-NEXT:   Section(s) in group [
# DUP-LLVM-NEXT:     .text.foo (3)
# DUP-LLVM-NEXT:     .rela.text.foo (4)
# DUP-LLVM-NEXT:   ]
# DUP-LLVM-NEXT: }
# DUP-LLVM:      Group {
# DUP-LLVM-NEXT:   Name: .group1
# DUP-LLVM-NEXT:   Index: 2
# DUP-LLVM-NEXT:   Link: 7
# DUP-LLVM-NEXT:   Info: 2
# DUP-LLVM-NEXT:   Type: COMDAT
# DUP-LLVM-NEXT:   Signature: bar
# DUP-LLVM-NEXT:   Section(s) in group [
# DUP-LLVM-NEXT: warning: '[[FILE]]': section with index 3, included in the group section with index 1, was also found in the group section with index 2
# DUP-LLVM-NEXT:     .text.foo (3)
# DUP-LLVM-NEXT:     .rela.text.bar (6)
# DUP-LLVM-NEXT:   ]
# DUP-LLVM-NEXT: }

# DUP-GNU:      COMDAT group section [    1] `.group' [foo] contains 2 sections:
# DUP-GNU-NEXT:  [Index]    Name
# DUP-GNU-NEXT:  [    3]   .text.foo
# DUP-GNU-NEXT:  [    4]   .rela.text.foo

# DUP-GNU:      COMDAT group section [    2] `.group1' [bar] contains 2 sections:
# DUP-GNU-NEXT:    [Index]    Name
# DUP-GNU-NEXT: warning: '[[FILE]]': section with index 3, included in the group section with index 1, was also found in the group section with index 2
# DUP-GNU-NEXT:    [    3]   .text.foo
# DUP-GNU-NEXT:    [    6]   .rela.text.bar