## 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-readobj --elf-section-groups %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: [[SYMTAB1=.symtab]]
Info: foo
Members:
- SectionOrType: GRP_COMDAT
- SectionOrType: .text.foo
- SectionOrType: [[MEMBER1=.rela.text.foo]]
ShSize: [[SECSIZE1=<none>]]
ShName: [[GROUP1SHNAME=<none>]]
- Name: .group1
Type: SHT_GROUP
Link: [[SYMTAB2=.symtab]]
Info: bar
Members:
- SectionOrType: GRP_COMDAT
- SectionOrType: [[MEMBER2=.text.bar]]
- SectionOrType: .rela.text.bar
ShSize: [[SECSIZE2=<none>]]
- Name: .text.foo
Type: SHT_PROGBITS
- Name: .rela.text.foo
Type: SHT_RELA
Link: .symtab
Info: .text.foo
- Name: .text.bar
Type: SHT_PROGBITS
ShName: [[TEXTBARSHNAME=<none>]]
- Name: .rela.text.bar
Type: SHT_RELA
Link: .symtab
Info: .text.bar
- Name: .symtab
Type: SHT_SYMTAB
Link: [[SYMTABLINK=.strtab]]
- Name: .strtab
Type: SHT_STRTAB
Content: [[STRTABCONTENT=<none>]]
Symbols:
- Name: foo
Section: .text.foo
StName: [[SYM1STNAME=<none>]]
- Name: bar
Section: .text.bar
StName: [[SYM2STNAME=<none>]]
## 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 -DMEMBER2=.text.foo -o %t.dup.o
# RUN: llvm-readobj --section-groups %t.dup.o 2>&1 | FileCheck %s -DFILE=%t.dup.o --check-prefix=DUP-LLVM
# RUN: llvm-readelf --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
## Check what we do when we are unable to dump the signature symbol name.
## In this case the index of the string table section, linked to the symbol table used by a group section,
## is broken (section does not exist).
## Check we report a warning in this case. Check we don't print the same warning message twice.
# RUN: yaml2obj %s -DSYMTABLINK=0xFF -o %t.symtab.o
# RUN: llvm-readobj --section-groups %t.symtab.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.symtab.o %s --check-prefix=SYMTAB-LLVM --implicit-check-not=warning:
# RUN: llvm-readelf --section-groups %t.symtab.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.symtab.o %s --check-prefix=SYMTAB-GNU --implicit-check-not=warning:
# SYMTAB-LLVM: Groups {
# SYMTAB-LLVM-NEXT: warning: '[[FILE]]': unable to get the string table for SHT_SYMTAB section with index 7: invalid section index: 255
# SYMTAB-LLVM-NEXT: Group {
# SYMTAB-LLVM-NEXT: Name: .group (16)
# SYMTAB-LLVM-NEXT: Index: 1
# SYMTAB-LLVM-NEXT: Link: 7
# SYMTAB-LLVM-NEXT: Info: 1
# SYMTAB-LLVM-NEXT: Type: COMDAT (0x1)
# SYMTAB-LLVM-NEXT: Signature: <?>
# SYMTAB-LLVM-NEXT: Section(s) in group [
# SYMTAB-LLVM-NEXT: .text.foo (3)
# SYMTAB-LLVM-NEXT: .rela.text.foo (4)
# SYMTAB-LLVM-NEXT: ]
# SYMTAB-LLVM-NEXT: }
# SYMTAB-LLVM-NEXT: Group {
# SYMTAB-LLVM-NEXT: Name: .group1 (64)
# SYMTAB-LLVM-NEXT: Index: 2
# SYMTAB-LLVM-NEXT: Link: 7
# SYMTAB-LLVM-NEXT: Info: 2
# SYMTAB-LLVM-NEXT: Type: COMDAT (0x1)
# SYMTAB-LLVM-NEXT: Signature: <?>
# SYMTAB-LLVM-NEXT: Section(s) in group [
# SYMTAB-LLVM-NEXT: .text.bar (5)
# SYMTAB-LLVM-NEXT: .rela.text.bar (6)
# SYMTAB-LLVM-NEXT: ]
# SYMTAB-LLVM-NEXT: }
# SYMTAB-LLVM-NEXT: }
# SYMTAB-GNU: warning: '[[FILE]]': unable to get the string table for SHT_SYMTAB section with index 7: invalid section index: 255
# SYMTAB-GNU-EMPTY:
# SYMTAB-GNU-NEXT: COMDAT group section [ 1] `.group' [<?>] contains 2 sections:
# SYMTAB-GNU-NEXT: [Index] Name
# SYMTAB-GNU-NEXT: [ 3] .text.foo
# SYMTAB-GNU-NEXT: [ 4] .rela.text.foo
# SYMTAB-GNU-EMPTY:
# SYMTAB-GNU-NEXT: COMDAT group section [ 2] `.group1' [<?>] contains 2 sections:
# SYMTAB-GNU-NEXT: [Index] Name
# SYMTAB-GNU-NEXT: [ 5] .text.bar
# SYMTAB-GNU-NEXT: [ 6] .rela.text.bar
## This tests the behavior for two more cases when we are unable to dump the signature symbol name.
## In the first case we link the group section to the section with index 255, which does not exist.
## We check that a warning is reported when we are unable to locate the symbol table.
## In the second case we link the SHT_GROUP section to itself. This documents that we don't check the
## type of the linked section (we assume it is the symbol table) and checks that we report a warning
## when we are unable to read a signature symbol.
# RUN: yaml2obj %s -DSYMTAB1=0xFF -DSYMTAB2=0x1 -o %t.symtab2.o
# RUN: llvm-readobj --section-groups %t.symtab2.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.symtab2.o %s --check-prefix=SIGNATURE-LLVM --implicit-check-not=warning:
# RUN: llvm-readelf --section-groups %t.symtab2.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.symtab2.o %s --check-prefix=SIGNATURE-GNU --implicit-check-not=warning:
# SIGNATURE: Groups {
# SIGNATURE-LLVM: warning: '[[FILE]]': unable to get the symbol table for SHT_GROUP section with index 1: invalid section index: 255
# SIGNATURE-LLVM: warning: '[[FILE]]': unable to get the signature symbol for SHT_GROUP section with index 2: section [index 1] has invalid sh_entsize: expected 24, but got 4
# SIGNATURE-LLVM: Group {
# SIGNATURE-LLVM: Name: .group (16)
# SIGNATURE-LLVM: Index: 1
# SIGNATURE-LLVM: Link: 255
# SIGNATURE-LLVM: Info: 1
# SIGNATURE-LLVM: Type: COMDAT (0x1)
# SIGNATURE-LLVM: Signature: <?>
# SIGNATURE-LLVM: Section(s) in group [
# SIGNATURE-LLVM: .text.foo (3)
# SIGNATURE-LLVM: .rela.text.foo (4)
# SIGNATURE-LLVM: ]
# SIGNATURE-LLVM: }
# SIGNATURE-LLVM: Group {
# SIGNATURE-LLVM: Name: .group1 (64)
# SIGNATURE-LLVM: Index: 2
# SIGNATURE-LLVM: Link: 1
# SIGNATURE-LLVM: Info: 2
# SIGNATURE-LLVM: Type: COMDAT (0x1)
# SIGNATURE-LLVM: Signature: <?>
# SIGNATURE-LLVM: Section(s) in group [
# SIGNATURE-LLVM: .text.bar (5)
# SIGNATURE-LLVM: .rela.text.bar (6)
# SIGNATURE-LLVM: ]
# SIGNATURE-LLVM: }
# SIGNATURE-LLVM: }
# SIGNATURE-GNU: warning: '[[FILE]]': unable to get the symbol table for SHT_GROUP section with index 1: invalid section index: 255
# SIGNATURE-GNU-NEXT: warning: '[[FILE]]': unable to get the signature symbol for SHT_GROUP section with index 2: section [index 1] has invalid sh_entsize: expected 24, but got 4
# SIGNATURE-GNU-EMPTY:
# SIGNATURE-GNU-NEXT: COMDAT group section [ 1] `.group' [<?>] contains 2 sections:
# SIGNATURE-GNU-NEXT: [Index] Name
# SIGNATURE-GNU-NEXT: [ 3] .text.foo
# SIGNATURE-GNU-NEXT: [ 4] .rela.text.foo
# SIGNATURE-GNU-EMPTY:
# SIGNATURE-GNU-NEXT: COMDAT group section [ 2] `.group1' [<?>] contains 2 sections:
# SIGNATURE-GNU-NEXT: [Index] Name
# SIGNATURE-GNU-NEXT: [ 5] .text.bar
# SIGNATURE-GNU-NEXT: [ 6] .rela.text.bar
## Check we report a warning when the content of the group section is empty or can't be read.
## In both cases we are unable to read the section group flag and dump it as 0.
# RUN: yaml2obj %s -DSECSIZE1=0x0 -DSECSIZE2=0x1 -o %t.secsize.o
# RUN: llvm-readobj --section-groups %t.secsize.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.secsize.o %s --check-prefix=CONTENT-LLVM --implicit-check-not=warning:
# RUN: llvm-readelf --section-groups %t.secsize.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.secsize.o %s --check-prefix=CONTENT-GNU --implicit-check-not=warning:
# CONTENT-LLVM: Groups {
# CONTENT-LLVM-NEXT: warning: '[[FILE]]': unable to read the section group flag from the SHT_GROUP section with index 1: the section is empty
# CONTENT-LLVM-NEXT: warning: '[[FILE]]': unable to get the content of the SHT_GROUP section with index 2: section [index 2] has an invalid sh_size (1) which is not a multiple of its sh_entsize (4)
# CONTENT-LLVM-NEXT: Group {
# CONTENT-LLVM-NEXT: Name: .group (16)
# CONTENT-LLVM-NEXT: Index: 1
# CONTENT-LLVM-NEXT: Link: 7
# CONTENT-LLVM-NEXT: Info: 1
# CONTENT-LLVM-NEXT: Type: (unknown) (0x0)
# CONTENT-LLVM-NEXT: Signature: foo
# CONTENT-LLVM-NEXT: Section(s) in group [
# CONTENT-LLVM-NEXT: ]
# CONTENT-LLVM-NEXT: }
# CONTENT-LLVM-NEXT: Group {
# CONTENT-LLVM-NEXT: Name: .group1 (64)
# CONTENT-LLVM-NEXT: Index: 2
# CONTENT-LLVM-NEXT: Link: 7
# CONTENT-LLVM-NEXT: Info: 2
# CONTENT-LLVM-NEXT: Type: (unknown) (0x0)
# CONTENT-LLVM-NEXT: Signature: bar
# CONTENT-LLVM-NEXT: Section(s) in group [
# CONTENT-LLVM-NEXT: ]
# CONTENT-LLVM-NEXT: }
# CONTENT-LLVM-NEXT: }
# CONTENT-GNU: warning: '[[FILE]]': unable to read the section group flag from the SHT_GROUP section with index 1: the section is empty
# CONTENT-GNU: warning: '[[FILE]]': unable to get the content of the SHT_GROUP section with index 2: section [index 2] has an invalid sh_size (1) which is not a multiple of its sh_entsize (4)
# CONTENT-GNU-EMPTY:
# CONTENT-GNU-NEXT: (unknown) group section [ 1] `.group' [foo] contains 0 sections:
# CONTENT-GNU-NEXT: [Index] Name
# CONTENT-GNU-EMPTY:
# CONTENT-GNU-NEXT: (unknown) group section [ 2] `.group1' [bar] contains 0 sections:
# CONTENT-GNU-NEXT: [Index] Name
## Check that we emit a warning when we are unable to read the group section name or the name of a member.
# RUN: yaml2obj %s -DGROUP1SHNAME=0xAAAA -DTEXTBARSHNAME=0xBBBB -o %t.name.o
# RUN: llvm-readobj --section-groups %t.name.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.name.o %s --check-prefix=NAME-LLVM --implicit-check-not=warning:
# RUN: llvm-readelf --section-groups %t.name.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.name.o %s --check-prefix=NAME-GNU --implicit-check-not=warning:
# NAME-LLVM: Groups {
# NAME-LLVM-NEXT: warning: '[[FILE]]': unable to get the name of SHT_GROUP section with index 1: a section [index 1] has an invalid sh_name (0xaaaa) offset which goes past the end of the section name string table
# NAME-LLVM-NEXT: warning: '[[FILE]]': unable to get the name of SHT_PROGBITS section with index 5: a section [index 5] has an invalid sh_name (0xbbbb) offset which goes past the end of the section name string table
# NAME-LLVM-NEXT: Group {
# NAME-LLVM-NEXT: Name: <?> (43690)
# NAME-LLVM-NEXT: Index: 1
# NAME-LLVM-NEXT: Link: 7
# NAME-LLVM-NEXT: Info: 1
# NAME-LLVM-NEXT: Type: COMDAT (0x1)
# NAME-LLVM-NEXT: Signature: foo
# NAME-LLVM-NEXT: Section(s) in group [
# NAME-LLVM-NEXT: .text.foo (3)
# NAME-LLVM-NEXT: .rela.text.foo (4)
# NAME-LLVM-NEXT: ]
# NAME-LLVM-NEXT: }
# NAME-LLVM-NEXT: Group {
# NAME-LLVM-NEXT: Name: .group1 (64)
# NAME-LLVM-NEXT: Index: 2
# NAME-LLVM-NEXT: Link: 7
# NAME-LLVM-NEXT: Info: 2
# NAME-LLVM-NEXT: Type: COMDAT (0x1)
# NAME-LLVM-NEXT: Signature: bar
# NAME-LLVM-NEXT: Section(s) in group [
# NAME-LLVM-NEXT: <?> (5)
# NAME-LLVM-NEXT: .rela.text.bar (6)
# NAME-LLVM-NEXT: ]
# NAME-LLVM-NEXT: }
# NAME-LLVM-NEXT: }
# NAME-GNU: warning: '[[FILE]]': unable to get the name of SHT_GROUP section with index 1: a section [index 1] has an invalid sh_name (0xaaaa) offset which goes past the end of the section name string table
# NAME-GNU-NEXT: warning: '[[FILE]]': unable to get the name of SHT_PROGBITS section with index 5: a section [index 5] has an invalid sh_name (0xbbbb) offset which goes past the end of the section name string table
# NAME-GNU-EMPTY:
# NAME-GNU-NEXT: COMDAT group section [ 1] `<?>' [foo] contains 2 sections:
# NAME-GNU-NEXT: [Index] Name
# NAME-GNU-NEXT: [ 3] .text.foo
# NAME-GNU-NEXT: [ 4] .rela.text.foo
# NAME-GNU-EMPTY:
# NAME-GNU-NEXT: COMDAT group section [ 2] `.group1' [bar] contains 2 sections:
# NAME-GNU-NEXT: [Index] Name
# NAME-GNU-NEXT: [ 5] <?>
# NAME-GNU-NEXT: [ 6] .rela.text.bar
## Check we report a warning then the section index of a section group member is invalid.
# RUN: yaml2obj %s -DMEMBER1=0xEE -DMEMBER2=0xFF -o %t.member.index.o
# RUN: llvm-readobj --section-groups %t.member.index.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.member.index.o %s --check-prefix=MEMBER-LLVM --implicit-check-not=warning:
# RUN: llvm-readelf --section-groups %t.member.index.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.member.index.o %s --check-prefix=MEMBER-GNU --implicit-check-not=warning:
# MEMBER-LLVM: Groups {
# MEMBER-LLVM-NEXT: warning: '[[FILE]]': unable to get the section with index 238 when dumping the SHT_GROUP section with index 1: invalid section index: 238
# MEMBER-LLVM-NEXT: warning: '[[FILE]]': unable to get the section with index 255 when dumping the SHT_GROUP section with index 2: invalid section index: 255
# MEMBER-LLVM-NEXT: Group {
# MEMBER-LLVM-NEXT: Name: .group (16)
# MEMBER-LLVM-NEXT: Index: 1
# MEMBER-LLVM-NEXT: Link: 7
# MEMBER-LLVM-NEXT: Info: 1
# MEMBER-LLVM-NEXT: Type: COMDAT (0x1)
# MEMBER-LLVM-NEXT: Signature: foo
# MEMBER-LLVM-NEXT: Section(s) in group [
# MEMBER-LLVM-NEXT: .text.foo (3)
# MEMBER-LLVM-NEXT: <?> (238)
# MEMBER-LLVM-NEXT: ]
# MEMBER-LLVM-NEXT: }
# MEMBER-LLVM-NEXT: Group {
# MEMBER-LLVM-NEXT: Name: .group1 (64)
# MEMBER-LLVM-NEXT: Index: 2
# MEMBER-LLVM-NEXT: Link: 7
# MEMBER-LLVM-NEXT: Info: 2
# MEMBER-LLVM-NEXT: Type: COMDAT (0x1)
# MEMBER-LLVM-NEXT: Signature: bar
# MEMBER-LLVM-NEXT: Section(s) in group [
# MEMBER-LLVM-NEXT: <?> (255)
# MEMBER-LLVM-NEXT: .rela.text.bar (6)
# MEMBER-LLVM-NEXT: ]
# MEMBER-LLVM-NEXT: }
# MEMBER-LLVM-NEXT: }
# MEMBER-GNU: warning: '[[FILE]]': unable to get the section with index 238 when dumping the SHT_GROUP section with index 1: invalid section index: 238
# MEMBER-GNU-NEXT: warning: '[[FILE]]': unable to get the section with index 255 when dumping the SHT_GROUP section with index 2: invalid section index: 255
# MEMBER-GNU-EMPTY:
# MEMBER-GNU-NEXT: COMDAT group section [ 1] `.group' [foo] contains 2 sections:
# MEMBER-GNU-NEXT: [Index] Name
# MEMBER-GNU-NEXT: [ 3] .text.foo
# MEMBER-GNU-NEXT: [ 238] <?>
# MEMBER-GNU-EMPTY:
# MEMBER-GNU-NEXT: COMDAT group section [ 2] `.group1' [bar] contains 2 sections:
# MEMBER-GNU-NEXT: [Index] Name
# MEMBER-GNU-NEXT: [ 255] <?>
# MEMBER-GNU-NEXT: [ 6] .rela.text.bar
## Check warnings that are reported when the st_name field of the signature symbol goes past the end of the string table.
## We set the content of the string table to '0061626300' ('\0abc\0') to fixup the size of the string table.
## This makes it easier to test the boundary conditions.
# RUN: yaml2obj %s -DSTRTABCONTENT="0061626300" -DSYM1STNAME=4 -DSYM2STNAME=5 -o %t.signame.o
# RUN: llvm-readobj --section-groups %t.signame.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.signame.o %s --check-prefixes=SIGNAME1-WARN,SIGNAME1-LLVM --implicit-check-not=warning:
# RUN: llvm-readelf --section-groups %t.signame.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.signame.o %s --check-prefixes=SIGNAME1-WARN,SIGNAME1-GNU --implicit-check-not=warning:
# SIGNAME1-WARN: warning: '[[FILE]]': unable to get the name of the symbol with index 2: st_name (0x5) is past the end of the string table of size 0x5
# SIGNAME1-LLVM: Signature: {{$}}
# SIGNAME1-LLVM: Signature: <?>
# SIGNAME1-GNU: COMDAT group section [ 1] `.group' [] contains 2 sections:
# SIGNAME1-GNU: COMDAT group section [ 2] `.group1' [<?>] contains 2 sections:
## Check we report a warning when the string table that contains the signature symbol name is not null-terminated.
# RUN: yaml2obj %s -DSTRTABCONTENT="0061626361" -DSYM1STNAME=4 -DSYM2STNAME=5 -o %t.signame2.o
# RUN: llvm-readobj --section-groups %t.signame2.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.signame2.o %s --check-prefixes=SIGNAME2-WARN,SIGNAME2-LLVM --implicit-check-not=warning:
# RUN: llvm-readelf --section-groups %t.signame2.o 2>&1 | \
# RUN: FileCheck -DFILE=%t.signame2.o %s --check-prefixes=SIGNAME2-WARN,SIGNAME2-GNU --implicit-check-not=warning:
# SIGNAME2-WARN: warning: '[[FILE]]': unable to get the string table for SHT_SYMTAB section with index 7: SHT_STRTAB string table section [index 8] is non-null terminated
# SIGNAME2-LLVM: Signature: <?>
# SIGNAME2-LLVM: Signature: <?>
# SIGNAME2-GNU: COMDAT group section [ 1] `.group' [<?>] contains 2 sections:
# SIGNAME2-GNU: COMDAT group section [ 2] `.group1' [<?>] contains 2 sections: