debuginfo-tests: Add support for an lldb wrapper script

to be used on darwin in lieu of gdb.

llvm-svn: 190186

1 files changed, 18 insertions, 1 deletions

diff --git a/llvm/utils/test_debuginfo.pl b/llvm/utils/test_debuginfo.pl
index 0832a330f4a..a6b6137c1cd 100755
--- a/llvm/utils/test_debuginfo.pl
+++ b/llvm/utils/test_debuginfo.pl
@@ -11,8 +11,13 @@
 # and run the script generated from source program comments. Finally,
 # the debugger output is checked, using FileCheck, to validate 
 # debugging information.
+#
+# On Darwin the default is to use the llgdb.py wrapper script which
+# translates gdb commands into their lldb equivalents.
 
 use File::Basename;
+use Config;
+use Cwd;
 
 my $testcase_file = $ARGV[0];
 my $executable_file = $ARGV[1];
@@ -23,6 +28,11 @@ my $output_dir = dirname $executable_file;
 my $debugger_script_file = "$output_dir/$input_filename.debugger.script";
 my $output_file = "$output_dir/$input_filename.gdb.output";
 
+my %cmd_map = ();
+# Assume lldb to be the debugger on Darwin.
+my $use_lldb = 0;
+$use_lldb = 1 if ($Config{osname} eq "darwin");
+
 # Extract debugger commands from testcase. They are marked with DEBUGGER: 
 # at the beginning of a comment line.
 open(INPUT, $testcase_file);
@@ -44,8 +54,15 @@ close(OUTPUT);
 # setup debugger and debugger options to run a script.
 my $my_debugger = $ENV{'DEBUGGER'};
 if (!$my_debugger) {
-    $my_debugger = "gdb";
+    if ($use_lldb) {
+        my $path = dirname(Cwd::abs_path($0));
+        $my_debugger = "/usr/bin/env python $path/../tools/clang/test/debuginfo-tests/llgdb.py";
+    } else {
+        $my_debugger = "gdb";
+    }
 }
+
+# quiet / exit after cmdline / no init file / execute script
 my $debugger_options = "-q -batch -n -x";
 
 # run debugger and capture output.