dwarfdump: First piece of support for DWP dumping

Just a tiny piece of index dumping - the header in this instance.

llvm-svn: 252781

2 files changed, 19 insertions, 0 deletions

diff --git a/llvm/test/DebugInfo/Inputs/dwarfdump-dwp.x86_64.o b/llvm/test/DebugInfo/Inputs/dwarfdump-dwp.x86_64.o
new file mode 100644
index 00000000000..3588369af47
--- /dev/null
+++ b/llvm/test/DebugInfo/Inputs/dwarfdump-dwp.x86_64.o
diff --git a/llvm/test/DebugInfo/dwarfdump-dwp.test b/llvm/test/DebugInfo/dwarfdump-dwp.test
new file mode 100644
index 00000000000..38630f6bb78
--- /dev/null
+++ b/llvm/test/DebugInfo/dwarfdump-dwp.test
@@ -0,0 +1,19 @@
+RUN: llvm-dwarfdump %p/Inputs/dwarfdump-dwp.x86_64.o | FileCheck %s
+
+; Testing the following simple dwp file:
+; a.cpp:
+;   struct foo { };
+;   foo a;
+; b.cpp:
+;   struct foo { };
+;   foo b;
+
+; CHECK: .debug_cu_index contents:
+; CHECK: version: 2
+; CHECK: columns: 4
+; CHECK:   units: 2
+; CHECK: buckets: 16
+
+; TODO: debug_tu_index
+; TODO: dump the index contents
+; TODO: use the index section offset info to correctly dump debug_info