[PATCH] D29920: [ELF] Add test for relocations with section group

[Petr Hosek via Phabricator via llvm-commits]

phosek created this revision.
phosek added a project: lld.

This test is currently triggering a segfault in lld, as reported in:
http://bugs.llvm.org/show_bug.cgi?id=31952


Repository:
  rL LLVM

https://reviews.llvm.org/D29920

Files:
  test/ELF/Inputs/relocation-group.test
  test/ELF/relocation-group.test


Index: test/ELF/relocation-group.test
===================================================================
--- /dev/null
+++ test/ELF/relocation-group.test
@@ -0,0 +1,38 @@
+# RUN: yaml2obj %s -o %t.o
+# RUN: yaml2obj %S/Inputs/relocation-group.test  -o %t2.o
+# RUN: ld.lld %t.o %t2.o -o %t3.o -r
+# RUN: llvm-readobj -s %t3.o | FileCheck %s
+
+# CHECK:     Name: .text.foo
+# CHECK:     Name: .rela.text.foo
+
+
+--- !ELF
+FileHeader:
+  Class:           ELFCLASS64
+  Data:            ELFDATA2LSB
+  Type:            ET_REL
+  Machine:         EM_X86_64
+Sections:
+  - Name:            .group
+    Type:            SHT_GROUP
+    Link:            .symtab
+    Info:            foo
+    Members:
+      - SectionOrType:    GRP_COMDAT
+      - SectionOrType:    .text.foo
+  - Name:            .text.foo
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
+  - Name:            .rela.text.foo
+    Type:            SHT_RELA
+    Flags:           [ SHF_INFO_LINK ]
+    Link:            .symtab
+    Info:            .text.foo
+    Relocations:
+      - Offset:          0x0000000000000000
+        Symbol:          foo
+        Type:            R_X86_64_64
+Symbols:
+  Global:
+    - Name:            foo
Index: test/ELF/Inputs/relocation-group.test
===================================================================
--- /dev/null
+++ test/ELF/Inputs/relocation-group.test
@@ -0,0 +1,29 @@
+--- !ELF
+FileHeader:
+  Class:           ELFCLASS64
+  Data:            ELFDATA2LSB
+  Type:            ET_REL
+  Machine:         EM_X86_64
+Sections:
+  - Name:            .group
+    Type:            SHT_GROUP
+    Link:            .symtab
+    Info:            foo
+    Members:
+      - SectionOrType:    GRP_COMDAT
+      - SectionOrType:    .text.foo
+  - Name:            .text.foo
+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
+  - Name:            .rela.text.foo
+    Type:            SHT_RELA
+    Flags:           [ SHF_INFO_LINK ]
+    Link:            .symtab
+    Info:            .text.foo
+    Relocations:
+      - Offset:          0x0000000000000000
+        Symbol:          foo
+        Type:            R_X86_64_64
+Symbols:
+  Global:
+    - Name:            foo


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