1 files changed, 151 insertions, 0 deletions
diff --git a/test/elf/gnulinkonce/gnulinkonce.test b/test/elf/gnulinkonce/gnulinkonce.test
new file mode 100644
index 0000000000000..17559f6563285
--- /dev/null
+++ b/test/elf/gnulinkonce/gnulinkonce.test
@@ -0,0 +1,151 @@
+# Tests that the linker is able to read .gnu.linkonce sections and link them
+# appropriately. The testcase has been created by using the following source
+# code
+# linkonce1a.s
+# ------------
+#        .section .gnu.linkonce.d.dummy,"aw"
+#bar:
+#        .long    0
+# linkonce1b.s
+# ------------
+#    .globl main
+#    .globl start
+#    .globl _start
+#    .globl __start
+#    .text
+#main:
+#start:
+#_start:
+#__start:
+#    .long    0
+#
+#        .section .gnu.linkonce.d.dummy,"aw"
+#foo:
+#        .long    0
+#RUN: yaml2obj -format=elf -docnum 1 %s -o %t.linkonce1a.o
+#RUN: yaml2obj -format=elf -docnum 2 %s -o %t.linkonce1b.o
+#RUN: lld -flavor gnu -target x86_64 %t.linkonce1a.o %t.linkonce1b.o \
+#RUN: --noinhibit-exec --output-filetype=yaml -o %t2.out.yaml
+#RUN: lld -flavor gnu -target x86_64 %t.linkonce1a.o %t.linkonce1b.o \
+#RUN: --noinhibit-exec -o %t2.out
+#RUN: FileCheck %s -check-prefix=CHECKGNULINKONCE < %t2.out.yaml
+#RUN: llvm-readobj -sections %t2.out | FileCheck %s -check-prefix=CHECKGNULINKONCESECTIONS
+#CHECKGNULINKONCE: - name:            .gnu.linkonce.d.dummy
+#CHECKGNULINKONCE:   scope:           global
+#CHECKGNULINKONCE:   type:            gnu-linkonce
+#CHECKGNULINKONCE:   section-choice:  custom-required
+#CHECKGNULINKONCE:   section-name:    .gnu.linkonce.d.dummy
+#CHECKGNULINKONCE:   permissions:     rw-
+#CHECKGNULINKONCE:   references:
+#CHECKGNULINKONCE:     - kind:            group-child
+#CHECKGNULINKONCE:       offset:          0
+#CHECKGNULINKONCE:       target:          bar
+#CHECKGNULINKONCE:     - kind:            group-child
+#CHECKGNULINKONCE:       offset:          0
+#CHECKGNULINKONCESECTIONS:   Section {
+#CHECKGNULINKONCESECTIONS:     Name: .gnu.linkonce.d.dummy
+#CHECKGNULINKONCESECTIONS:     Type: SHT_PROGBITS
+#CHECKGNULINKONCESECTIONS:     Flags [ (0x3)
+#CHECKGNULINKONCESECTIONS:       SHF_ALLOC (0x2)
+#CHECKGNULINKONCESECTIONS:       SHF_WRITE (0x1)
+#CHECKGNULINKONCESECTIONS:     ]
+#CHECKGNULINKONCESECTIONS:     Size: 4
+#CHECKGNULINKONCESECTIONS:   }
+---
+FileHeader:
+  Class:           ELFCLASS64
+  Data:            ELFDATA2LSB
+  OSABI:           ELFOSABI_GNU
+  Type:            ET_REL
+  Machine:         EM_X86_64
+Sections:
+  - Name:            .text
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
+    AddressAlign:    0x0000000000000004
+    Content:         ''
+  - Name:            .data
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000004
+    Content:         ''
+  - Name:            .bss
+    Type:            SHT_NOBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000004
+    Content:         ''
+  - Name:            .gnu.linkonce.d.dummy
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000001
+    Content:         '00000000'
+Symbols:
+  Local:
+    - Name:            bar
+      Section:         .gnu.linkonce.d.dummy
+    - Name:            .text
+      Type:            STT_SECTION
+      Section:         .text
+    - Name:            .data
+      Type:            STT_SECTION
+      Section:         .data
+    - Name:            .bss
+      Type:            STT_SECTION
+      Section:         .bss
+    - Name:            .gnu.linkonce.d.dummy
+      Type:            STT_SECTION
+      Section:         .gnu.linkonce.d.dummy
+...
+---
+FileHeader:
+  Class:           ELFCLASS64
+  Data:            ELFDATA2LSB
+  Type:            ET_REL
+  Machine:         EM_X86_64
+Sections:
+  - Name:            .text
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
+    AddressAlign:    0x0000000000000004
+    Content:         '00000000'
+  - Name:            .data
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000004
+    Content:         ''
+  - Name:            .bss
+    Type:            SHT_NOBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000004
+    Content:         ''
+  - Name:            .gnu.linkonce.d.dummy
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000001
+    Content:         '00000000'
+Symbols:
+  Local:
+    - Name:            .text
+      Type:            STT_SECTION
+      Section:         .text
+    - Name:            .data
+      Type:            STT_SECTION
+      Section:         .data
+    - Name:            .bss
+      Type:            STT_SECTION
+      Section:         .bss
+    - Name:            .gnu.linkonce.d.dummy
+      Type:            STT_SECTION
+      Section:         .gnu.linkonce.d.dummy
+    - Name:            foo
+      Section:         .gnu.linkonce.d.dummy
+  Global:
+    - Name:            main
+      Section:         .text
+    - Name:            start
+      Section:         .text
+    - Name:            _start
+      Section:         .text
+    - Name:            __start
+      Section:         .text
+...