[llvm-readobj] - Teach llvm-readobj to dump .gnu.version_r sections

SHT_GNU_verneed (.gnu.version_r) is a version dependency section.
It was the last symbol versioning relative section that was not dumped,
now it is.

Differential revision: http://reviews.llvm.org/D21024

llvm-svn: 271998

2 files changed, 33 insertions, 0 deletions

diff --git a/llvm/test/tools/llvm-readobj/Inputs/verneed.elf-x86-64 b/llvm/test/tools/llvm-readobj/Inputs/verneed.elf-x86-64
new file mode 100644
index 00000000000..3a9c8d8df8d
--- /dev/null
+++ b/llvm/test/tools/llvm-readobj/Inputs/verneed.elf-x86-64
diff --git a/llvm/test/tools/llvm-readobj/elf-versioninfo.test b/llvm/test/tools/llvm-readobj/elf-versioninfo.test
index e43d373e92f..c7c97b94344 100644
--- a/llvm/test/tools/llvm-readobj/elf-versioninfo.test
+++ b/llvm/test/tools/llvm-readobj/elf-versioninfo.test
@@ -82,3 +82,36 @@ CHECK-NEXT:       Name: VERSION2
 CHECK-NEXT:     }
 CHECK-NEXT:   ]
 CHECK-NEXT: }
+
+RUN: llvm-readobj -V %p/Inputs/verneed.elf-x86-64 | FileCheck %s --check-prefix=VERNEED
+
+VERNEED:       SHT_GNU_verneed {
+VERNEED-NEXT:   Dependency {
+VERNEED-NEXT:     Version: 1
+VERNEED-NEXT:     Count: 2
+VERNEED-NEXT:     FileName: verneed1.so.0
+VERNEED-NEXT:     Entry {
+VERNEED-NEXT:       Hash: 1938
+VERNEED-NEXT:       Flags: 0x0
+VERNEED-NEXT:       Index: 3
+VERNEED-NEXT:       Name: v2
+VERNEED-NEXT:     }
+VERNEED-NEXT:     Entry {
+VERNEED-NEXT:       Hash: 1939
+VERNEED-NEXT:       Flags: 0x0
+VERNEED-NEXT:       Index: 2
+VERNEED-NEXT:       Name: v3
+VERNEED-NEXT:     }
+VERNEED-NEXT:   }
+VERNEED-NEXT:   Dependency {
+VERNEED-NEXT:     Version: 1
+VERNEED-NEXT:     Count: 1
+VERNEED-NEXT:     FileName: verneed2.so.0
+VERNEED-NEXT:     Entry {
+VERNEED-NEXT:       Hash: 1937
+VERNEED-NEXT:       Flags: 0x0
+VERNEED-NEXT:       Index: 4
+VERNEED-NEXT:       Name: v1
+VERNEED-NEXT:     }
+VERNEED-NEXT:   }
+VERNEED-NEXT: }