[llvm-readobj/ELF] Print GNU Hash section
Add a new command line switch, -gnu-hash-table, to print the content of that section.
Differential Revision: http://reviews.llvm.org/D13696
llvm-svn: 250291
diff --git a/llvm/test/tools/llvm-readobj/elf-gnuhash.test b/llvm/test/tools/llvm-readobj/elf-gnuhash.test
new file mode 100644
index 0000000..8642a4d
--- /dev/null
+++ b/llvm/test/tools/llvm-readobj/elf-gnuhash.test
@@ -0,0 +1,63 @@
+// Check dumping of the GNU Hash section
+// The input was generated using the following:
+// $ llvm-mc -filetype=obj -triple=i386-pc-linux -o example-i386.o example.s
+// $ llvm-mc -filetype=obj -triple=x86_64-pc-linux -o example-x86_64.o example.s
+// $ llvm-mc -filetype=obj -triple=powerpc-pc-linux -o example-ppc.o example.s
+// $ llvm-mc -filetype=obj -triple=powerpc64-pc-linux -o example-ppc64.o example.s
+// $ ld -shared -m elf_i386 -hash-style=gnu -o gnuhash.so.elf-i386 example-i386.o
+// $ ld -shared -m elf_x86_64 -hash-style=gnu -o gnuhash.so.elf-x86_64 example-x86_64.o
+// $ ld -shared -m elf32ppc -hash-style=gnu -o gnuhash.so.elf-ppc example-ppc.o
+// $ ld -shared -m elf64ppc -hash-style=gnu -o gnuhash.so.elf-ppc64 example-ppc64.o
+// $ cat example.s
+// .globl foo
+// foo:
+
+RUN: llvm-readobj -gnu-hash-table %p/Inputs/gnuhash.so.elf-i386 | FileCheck %s -check-prefix I386
+RUN: llvm-readobj -gnu-hash-table %p/Inputs/gnuhash.so.elf-x86_64 | FileCheck %s -check-prefix X86_64
+RUN: llvm-readobj -gnu-hash-table %p/Inputs/gnuhash.so.elf-ppc | FileCheck %s -check-prefix PPC
+RUN: llvm-readobj -gnu-hash-table %p/Inputs/gnuhash.so.elf-ppc64 | FileCheck %s -check-prefix PPC64
+
+I386: Arch: i386
+I386: GnuHashTable {
+I386-NEXT: Num Buckets: 3
+I386-NEXT: First Hashed Symbol Index: 1
+I386-NEXT: Num Mask Words: 1
+I386-NEXT: Shift Count: 5
+I386-NEXT: Bloom Filter: [0x39004608]
+I386-NEXT: Buckets: [1, 4, 0]
+I386-NEXT: Values: [0xB887388, 0xECD54542, 0x7C92E3BB, 0x1C5871D9]
+I386-NEXT: }
+
+X86_64: Arch: x86_64
+X86_64: GnuHashTable {
+X86_64-NEXT: Num Buckets: 3
+X86_64-NEXT: First Hashed Symbol Index: 1
+X86_64-NEXT: Num Mask Words: 1
+X86_64-NEXT: Shift Count: 6
+X86_64-NEXT: Bloom Filter: [0x800000001204288]
+X86_64-NEXT: Buckets: [1, 4, 0]
+X86_64-NEXT: Values: [0xB887388, 0xECD54542, 0x7C92E3BB, 0x1C5871D9]
+X86_64-NEXT: }
+
+PPC: Arch: powerpc
+PPC: GnuHashTable {
+PPC-NEXT: Num Buckets: 3
+PPC-NEXT: First Hashed Symbol Index: 1
+PPC-NEXT: Num Mask Words: 1
+PPC-NEXT: Shift Count: 5
+PPC-NEXT: Bloom Filter: [0x3D00460A]
+PPC-NEXT: Buckets: [1, 5, 0]
+PPC-NEXT: Values: [0xEEBEC3A, 0xB887388, 0xECD54542, 0x7C92E3BB, 0x1C5871D9]
+PPC-NEXT: }
+
+PPC64: Arch: powerpc64
+PPC64: GnuHashTable {
+PPC64-NEXT: Num Buckets: 3
+PPC64-NEXT: First Hashed Symbol Index: 1
+PPC64-NEXT: Num Mask Words: 1
+PPC64-NEXT: Shift Count: 6
+PPC64-NEXT: Bloom Filter: [0x800000001204288]
+PPC64-NEXT: Buckets: [1, 4, 0]
+PPC64-NEXT: Values: [0xB887388, 0xECD54542, 0x7C92E3BB, 0x1C5871D9]
+PPC64-NEXT: }
+