vendor/lldb/lldb-trunk-r256945

1 files changed, 58 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/functionalities/dead-strip/TestDeadStrip.py b/packages/Python/lldbsuite/test/functionalities/dead-strip/TestDeadStrip.py
new file mode 100644
index 000000000000..f10736bd75c0
--- /dev/null
+++ b/packages/Python/lldbsuite/test/functionalities/dead-strip/TestDeadStrip.py
@@ -0,0 +1,58 @@
+"""
+Test that breakpoint works correctly in the presence of dead-code stripping.
+"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import lldb
+from lldbsuite.test.lldbtest import *
+import lldbsuite.test.lldbutil as lldbutil
+
+class DeadStripTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @expectedFailureWindows("llvm.org/pr24778")
+    @expectedFailureDwo("llvm.org/pr25087")
+    @skipIfFreeBSD # The -dead_strip linker option isn't supported on FreeBSD versions of ld.
+    def test(self):
+        """Test breakpoint works correctly with dead-code stripping."""
+        self.build()
+        exe = os.path.join(os.getcwd(), "a.out")
+        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
+
+        # Break by function name f1 (live code).
+        lldbutil.run_break_set_by_symbol (self, "f1", num_expected_locations=1, module_name="a.out")
+
+        # Break by function name f2 (dead code).
+        lldbutil.run_break_set_by_symbol (self, "f2", num_expected_locations=0, module_name="a.out")
+
+        # Break by function name f3 (live code).
+        lldbutil.run_break_set_by_symbol (self, "f3", num_expected_locations=1, module_name="a.out")
+
+        self.runCmd("run", RUN_SUCCEEDED)
+
+        # The stop reason of the thread should be breakpoint (breakpoint #1).
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+            substrs = ['stopped',
+                       'a.out`f1',
+                       'stop reason = breakpoint'])
+
+        # The breakpoint should have a hit count of 1.
+        self.expect("breakpoint list -f 1", BREAKPOINT_HIT_ONCE,
+            substrs = [' resolved, hit count = 1'])
+
+        self.runCmd("continue")
+
+        # The stop reason of the thread should be breakpoint (breakpoint #3).
+        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
+            substrs = ['stopped',
+                       'a.out`f3',
+                       'stop reason = breakpoint'])
+
+        # The breakpoint should have a hit count of 1.
+        self.expect("breakpoint list -f 3", BREAKPOINT_HIT_ONCE,
+            substrs = [' resolved, hit count = 1'])