Read macro info from .debug_macro section and use it for expression evaluation.

Summary:
DWARF 5 proposes a reinvented .debug_macro section. This change follows
that spec.

Currently, only GCC produces the .debug_macro section and hence
the added test is annottated with expectedFailureClang.

Reviewers: spyffe, clayborg, tberghammer

Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D15437

llvm-svn: 255729

1 files changed, 15 insertions, 0 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/expression_command/macros/main.cpp b/lldb/packages/Python/lldbsuite/test/expression_command/macros/main.cpp
new file mode 100644
index 00000000000..f2c2c101fa1
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/expression_command/macros/main.cpp
@@ -0,0 +1,15 @@
+#include "macro1.h"
+
+#define MACRO_1 100
+#define MACRO_2 200
+
+int
+main ()
+{
+  int a = ONE + TWO; // Break here
+
+  #undef MACRO_2
+  #undef FOUR
+
+  return Simple().Method();
+}