dwarflint: Be lazy when looking into CU headers for check_debug_abbrev

- And so don't complain that we have no headers in cases where we have
  no abbrevs either.
- Also consider no abbrevs a message, not an error
- Add a test case for the same

2 files changed, 10 insertions, 2 deletions

diff --git a/dwarflint/tests/null.o.bz2 b/dwarflint/tests/null.o.bz2
new file mode 100644
index 00000000..f272d5a7
--- /dev/null
+++ b/dwarflint/tests/null.o.bz2
diff --git a/dwarflint/tests/run-nodebug.sh b/dwarflint/tests/run-nodebug.sh
index 5bfc2c55..049bf570 100755
--- a/dwarflint/tests/run-nodebug.sh
+++ b/dwarflint/tests/run-nodebug.sh
@@ -1,5 +1,5 @@
 #! /bin/sh
-# Copyright (C) 2010 Red Hat, Inc.
+# Copyright (C) 2010, 2011 Red Hat, Inc.
 # This file is part of Red Hat elfutils.
 #
 # Red Hat elfutils is free software; you can redistribute it and/or modify
@@ -27,7 +27,7 @@
 
 srcdir=$srcdir/tests
 
-testfiles nodebug
+testfiles nodebug null.o
 
 testrun_compare ./dwarflint nodebug <<EOF
 error: .debug_abbrev: data not found.
@@ -69,3 +69,11 @@ nodebug:
 nodebug:
 warning: the rule \`oentuh' never matched.
 EOF
+
+testrun_compare ./dwarflint null.o <<EOF
+error: .debug_info: data not found.
+EOF
+
+testrun_compare ./dwarflint --nodebug:ignore null.o <<EOF
+No errors
+EOF