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-rw-r--r--lib/MC/ELFObjectWriter.cpp11
-rw-r--r--test/MC/ELF/comdat-reloc.s29
-rw-r--r--test/MC/ELF/comdat.s2
3 files changed, 39 insertions, 3 deletions
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index 4f66156f6d..2db59acd50 100644
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -1002,11 +1002,18 @@ void ELFObjectWriter::CreateRelocationSections(MCAssembler &Asm,
else
EntrySize = is64Bit() ? sizeof(ELF::Elf64_Rel) : sizeof(ELF::Elf32_Rel);
+ unsigned Flags = 0;
+ StringRef Group = "";
+ if (Section.getFlags() & ELF::SHF_GROUP) {
+ Flags = ELF::SHF_GROUP;
+ Group = Section.getGroup()->getName();
+ }
+
const MCSectionELF *RelaSection =
Ctx.getELFSection(RelaSectionName, hasRelocationAddend() ?
- ELF::SHT_RELA : ELF::SHT_REL, 0,
+ ELF::SHT_RELA : ELF::SHT_REL, Flags,
SectionKind::getReadOnly(),
- EntrySize, "");
+ EntrySize, Group);
RelMap[&Section] = RelaSection;
Asm.getOrCreateSectionData(*RelaSection);
}
diff --git a/test/MC/ELF/comdat-reloc.s b/test/MC/ELF/comdat-reloc.s
new file mode 100644
index 0000000000..d893a7b149
--- /dev/null
+++ b/test/MC/ELF/comdat-reloc.s
@@ -0,0 +1,29 @@
+// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -s -sd | FileCheck %s
+
+ .text
+ .globl hello
+ .type hello,@function
+hello:
+ call world
+ ret
+
+ .section .text.world,"axG",@progbits,world,comdat
+ .type world,@function
+world:
+ call doctor
+ ret
+
+// CHECK: Name: .group
+// CHECK-NOT: SectionData
+// CHECK: SectionData
+// CHECK-NEXT: 0000: 01000000 06000000 07000000
+
+// CHECK: Index: 6
+// CHECK-NEXT: Name: .text.world
+// CHECK-NOT: Section {
+// CHECK: SHF_GROUP
+
+// CHECK: Index: 7
+// CHECK-NEXT: Name: .rela.text.world
+// CHECK-NOT: Section {
+// CHECK: SHF_GROUP
diff --git a/test/MC/ELF/comdat.s b/test/MC/ELF/comdat.s
index f9469dfae2..6dbe583df0 100644
--- a/test/MC/ELF/comdat.s
+++ b/test/MC/ELF/comdat.s
@@ -39,7 +39,7 @@
// CHECK-NEXT: ]
// CHECK-NEXT: Address: 0x0
// CHECK-NEXT: Offset: 0x54
-// CHECK-NEXT: Size: 8
+// CHECK-NEXT: Size: 12
// CHECK-NEXT: Link: 13
// CHECK-NEXT: Info: 13
// CHECK-NEXT: AddressAlignment: 4