This revision was automatically updated to reflect the committed changes.
Closed by commit rL255379: Add some tests for stack and local variable
inspection for mini dumps. (authored by amccarth).
Changed prior to commit:
http://reviews.llvm.org/D15435?vs=42575&id=42585#toc
Repository:
rL LLVM
http://reviews.llvm.org/D15435
Files:
lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/Makefile
lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/TestMiniDump.py
lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/main.cpp
Index: lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/Makefile
===================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/Makefile
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/Makefile
@@ -0,0 +1,6 @@
+LEVEL = ../../../make
+
+CXX_SOURCES := main.cpp
+
+include $(LEVEL)/Makefile.rules
+
Index: lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/TestMiniDump.py
===================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/TestMiniDump.py
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/TestMiniDump.py
@@ -10,31 +10,45 @@
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
-@skipUnlessWindows # for now mini-dump debugging is limited to Windows hosts
class MiniDumpTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
+ @skipUnlessWindows # for now mini-dump debugging is limited to Windows hosts
@no_debug_info_test
def test_process_info_in_mini_dump(self):
"""Test that lldb can read the process information from the minidump."""
+ # target create -c fizzbuzz_no_heap.dmp
+ self.dbg.CreateTarget("")
+ self.target = self.dbg.GetSelectedTarget()
+ self.process = self.target.LoadCore("fizzbuzz_no_heap.dmp")
self.assertTrue(self.process, PROCESS_IS_VALID)
self.assertEqual(self.process.GetNumThreads(), 1)
self.assertEqual(self.process.GetProcessID(), 4440)
+ @skipUnlessWindows # for now mini-dump debugging is limited to Windows hosts
@no_debug_info_test
def test_thread_info_in_mini_dump(self):
"""Test that lldb can read the thread information from the minidump."""
+ # target create -c fizzbuzz_no_heap.dmp
+ self.dbg.CreateTarget("")
+ self.target = self.dbg.GetSelectedTarget()
+ self.process = self.target.LoadCore("fizzbuzz_no_heap.dmp")
# This process crashed due to an access violation (0xc0000005) in its one and only thread.
self.assertEqual(self.process.GetNumThreads(), 1)
thread = self.process.GetThreadAtIndex(0)
self.assertEqual(thread.GetStopReason(), lldb.eStopReasonException)
stop_description = thread.GetStopDescription(256);
self.assertTrue("0xc0000005" in stop_description);
+ @skipUnlessWindows # for now mini-dump debugging is limited to Windows hosts
@no_debug_info_test
def test_stack_info_in_mini_dump(self):
- """Test that we can see the stack."""
+ """Test that we can see a trivial stack in a VS-generate mini dump."""
+ # target create -c fizzbuzz_no_heap.dmp
+ self.dbg.CreateTarget("")
+ self.target = self.dbg.GetSelectedTarget()
+ self.process = self.target.LoadCore("fizzbuzz_no_heap.dmp")
self.assertEqual(self.process.GetNumThreads(), 1)
thread = self.process.GetThreadAtIndex(0)
# The crash is in main, so there should be one frame on the stack.
@@ -46,10 +60,69 @@
self.assertTrue(eip.IsValid())
self.assertEqual(pc, eip.GetValueAsUnsigned())
- def setUp(self):
- # Call super's setUp().
- TestBase.setUp(self)
- # target create -c fizzbuzz_no_heap.dmp
- self.dbg.CreateTarget("")
- self.target = self.dbg.GetSelectedTarget()
- self.process = self.target.LoadCore("fizzbuzz_no_heap.dmp")
+ @skipUnlessWindows
+ @not_remote_testsuite_ready
+ def test_deeper_stack_in_mini_dump(self):
+ """Test that we can examine a more interesting stack in a mini dump."""
+ self.build()
+ exe = os.path.join(os.getcwd(), "a.out")
+ core = os.path.join(os.getcwd(), "core.dmp")
+ try:
+ # Set a breakpoint and capture a mini dump.
+ target = self.dbg.CreateTarget(exe)
+ breakpoint = target.BreakpointCreateByName("bar")
+ process = target.LaunchSimple(None, None, self.get_process_working_directory())
+ self.assertEqual(process.GetState(), lldb.eStateStopped)
+ self.assertTrue(process.SaveCore(core))
+ self.assertTrue(os.path.isfile(core))
+ self.assertTrue(process.Kill().Success())
+
+ # Launch with the mini dump, and inspect the stack.
+ target = self.dbg.CreateTarget(None)
+ process = target.LoadCore(core)
+ thread = process.GetThreadAtIndex(0)
+
+ expected_stack = { 0: 'bar', 1: 'foo', 2: 'main' }
+ self.assertEqual(thread.GetNumFrames(), len(expected_stack))
+ for index, name in expected_stack.iteritems():
+ frame = thread.GetFrameAtIndex(index)
+ self.assertTrue(frame.IsValid())
+ function_name = frame.GetFunctionName()
+ self.assertTrue(name in function_name)
+
+ finally:
+ # Clean up the mini dump file.
+ self.assertTrue(self.dbg.DeleteTarget(target))
+ if (os.path.isfile(core)):
+ os.unlink(core)
+
+ @skipUnlessWindows
+ @not_remote_testsuite_ready
+ def test_local_variables_in_mini_dump(self):
+ """Test that we can examine local variables in a mini dump."""
+ self.build()
+ exe = os.path.join(os.getcwd(), "a.out")
+ core = os.path.join(os.getcwd(), "core.dmp")
+ try:
+ # Set a breakpoint and capture a mini dump.
+ target = self.dbg.CreateTarget(exe)
+ breakpoint = target.BreakpointCreateByName("bar")
+ process = target.LaunchSimple(None, None, self.get_process_working_directory())
+ self.assertEqual(process.GetState(), lldb.eStateStopped)
+ self.assertTrue(process.SaveCore(core))
+ self.assertTrue(os.path.isfile(core))
+ self.assertTrue(process.Kill().Success())
+
+ # Launch with the mini dump, and inspect a local variable.
+ target = self.dbg.CreateTarget(None)
+ process = target.LoadCore(core)
+ thread = process.GetThreadAtIndex(0)
+ frame = thread.GetFrameAtIndex(0)
+ value = frame.EvaluateExpression('x')
+ self.assertEqual(value.GetValueAsSigned(), 3)
+
+ finally:
+ # Clean up the mini dump file.
+ self.assertTrue(self.dbg.DeleteTarget(target))
+ if (os.path.isfile(core)):
+ os.unlink(core)
Index: lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/main.cpp
===================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/main.cpp
+++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/postmortem/minidump/main.cpp
@@ -0,0 +1,21 @@
+int global = 42;
+
+int
+bar(int x)
+{
+ int y = 4*x + global;
+ return y;
+}
+
+int
+foo(int x)
+{
+ int y = 2*bar(3*x);
+ return y;
+}
+
+int
+main()
+{
+ return 0 * foo(1);
+}
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