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-rw-r--r--lldb/test/cpp/dynamic-value/Makefile5
-rw-r--r--lldb/test/cpp/dynamic-value/TestDynamicValue.py226
-rw-r--r--lldb/test/cpp/dynamic-value/pass-to-base.cpp62
-rw-r--r--lldb/test/lldbutil.py27
-rw-r--r--lldb/test/python_api/process/TestProcessAPI.py8
5 files changed, 327 insertions, 1 deletions
diff --git a/lldb/test/cpp/dynamic-value/Makefile b/lldb/test/cpp/dynamic-value/Makefile
new file mode 100644
index 00000000000..ceb406ee2ea
--- /dev/null
+++ b/lldb/test/cpp/dynamic-value/Makefile
@@ -0,0 +1,5 @@
+LEVEL = ../../make
+
+CXX_SOURCES := pass-to-base.cpp
+
+include $(LEVEL)/Makefile.rules
diff --git a/lldb/test/cpp/dynamic-value/TestDynamicValue.py b/lldb/test/cpp/dynamic-value/TestDynamicValue.py
new file mode 100644
index 00000000000..78b2f22208f
--- /dev/null
+++ b/lldb/test/cpp/dynamic-value/TestDynamicValue.py
@@ -0,0 +1,226 @@
+"""
+Use lldb Python API to test dynamic values in C++
+"""
+
+import os, time
+import re
+import unittest2
+import lldb, lldbutil
+from lldbtest import *
+
+class DynamicValueTestCase(TestBase):
+
+ mydir = os.path.join("cpp", "dynamic-value")
+
+ @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+ @python_api_test
+ def test_get_dynamic_vals_with_dsym(self):
+ """Test fetching C++ dynamic values from pointers & references."""
+ self.buildDsym()
+ self.do_get_dynamic_vals()
+
+ @python_api_test
+ def test_get_dynamic_vals_with_dwarf(self):
+ """Test fetching C++ dynamic values from pointers & references."""
+ self.buildDwarf()
+ self.do_get_dynamic_vals()
+
+ def setUp(self):
+ # Call super's setUp().
+ TestBase.setUp(self)
+
+ # Find the line number to break for main.c.
+
+ self.do_something_line = line_number('pass-to-base.cpp', '// Break here in doSomething.')
+ self.main_first_call_line = line_number('pass-to-base.cpp',
+ '// Break here and get real addresses of myB and otherB.')
+ self.main_second_call_line = line_number('pass-to-base.cpp',
+ '// Break here and get real address of reallyA.')
+
+ def examine_value_object_of_this_ptr (self, this_static, this_dynamic, dynamic_location):
+
+ # Get "this" as its static value
+
+ self.assertTrue (this_static.IsValid())
+ this_static_loc = int (this_static.GetValue(), 16)
+
+ # Get "this" as its dynamic value
+
+ self.assertTrue (this_dynamic.IsValid())
+ this_dynamic_typename = this_dynamic.GetTypeName()
+ self.assertTrue (this_dynamic_typename.find('B') != -1)
+ this_dynamic_loc = int (this_dynamic.GetValue(), 16)
+
+ # Make sure we got the right address for "this"
+
+ self.assertTrue (this_dynamic_loc == dynamic_location)
+
+ # And that the static address is greater than the dynamic one
+
+ self.assertTrue (this_static_loc > this_dynamic_loc)
+
+ # Now read m_b_value which is only in the dynamic value:
+
+ this_dynamic_m_b_value = this_dynamic.GetChildMemberWithName('m_b_value', True)
+ self.assertTrue (this_dynamic_m_b_value.IsValid())
+
+ m_b_value = int (this_dynamic_m_b_value.GetValue(), 0)
+ self.assertTrue (m_b_value == 10)
+
+ # Make sure it is not in the static version
+
+ this_static_m_b_value = this_static.GetChildMemberWithName('m_b_value', False)
+ self.assertTrue (this_static_m_b_value.IsValid() == False)
+
+ # Okay, now let's make sure that we can get the dynamic type of a child element:
+
+ contained_auto_ptr = this_dynamic.GetChildMemberWithName ('m_client_A', True)
+ self.assertTrue (contained_auto_ptr.IsValid())
+ contained_b = contained_auto_ptr.GetChildMemberWithName ('_M_ptr', True)
+ self.assertTrue (contained_b.IsValid())
+
+ contained_b_static = contained_auto_ptr.GetChildMemberWithName ('_M_ptr', False)
+ self.assertTrue (contained_b_static.IsValid())
+
+ contained_b_addr = int (contained_b.GetValue(), 16)
+ contained_b_static_addr = int (contained_b_static.GetValue(), 16)
+
+ self.assertTrue (contained_b_addr < contained_b_static_addr)
+
+ def do_get_dynamic_vals(self):
+ """Get argument vals for the call stack when stopped on a breakpoint."""
+ exe = os.path.join(os.getcwd(), "a.out")
+
+ # Create a target from the debugger.
+
+ target = self.dbg.CreateTargetWithFileAndArch (exe, lldb.LLDB_ARCH_DEFAULT)
+ self.assertTrue(target.IsValid(), VALID_TARGET)
+
+ # Set up our breakpoints:
+
+ do_something_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.do_something_line)
+ self.assertTrue(do_something_bpt.IsValid() and
+ do_something_bpt.GetNumLocations() == 1,
+ VALID_BREAKPOINT)
+
+ first_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_first_call_line)
+ self.assertTrue(first_call_bpt.IsValid() and
+ first_call_bpt.GetNumLocations() == 1,
+ VALID_BREAKPOINT)
+
+ second_call_bpt = target.BreakpointCreateByLocation('pass-to-base.cpp', self.main_second_call_line)
+ self.assertTrue(second_call_bpt.IsValid() and
+ second_call_bpt.GetNumLocations() == 1,
+ VALID_BREAKPOINT)
+
+ # Now launch the process, and do not stop at the entry point.
+
+ error = lldb.SBError()
+ self.process = target.Launch (self.dbg.GetListener(), None, None, os.ctermid(), os.ctermid(), os.ctermid(), None, 0, False, error)
+
+ self.assertTrue(self.process.GetState() == lldb.eStateStopped,
+ PROCESS_STOPPED)
+
+ threads = lldbutil.GetThreadsStoppedAtBreakpoint (self.process, first_call_bpt)
+ self.assertTrue (len(threads) == 1)
+ thread = threads[0]
+
+ frame = thread.GetFrameAtIndex(0)
+
+ # Now find the dynamic addresses of myB and otherB so we can compare them
+ # with the dynamic values we get in doSomething:
+
+ noDynamic = False
+ useDynamic = True
+
+ myB = frame.FindVariable ('myB', noDynamic);
+ self.assertTrue (myB.IsValid())
+ myB_loc = int (myB.GetLocation(), 16)
+
+ otherB = frame.FindVariable('otherB', noDynamic)
+ self.assertTrue (otherB.IsValid())
+ otherB_loc = int (otherB.GetLocation(), 16)
+
+ # Okay now run to doSomething:
+
+ threads = lldbutil.ContinueToBreakpoint (self.process, do_something_bpt)
+ self.assertTrue (len(threads) == 1)
+ thread = threads[0]
+
+ frame = thread.GetFrameAtIndex(0)
+
+ # Get "this" using FindVariable:
+
+ this_static = frame.FindVariable ('this', noDynamic)
+ this_dynamic = frame.FindVariable ('this', useDynamic)
+ self.examine_value_object_of_this_ptr (this_static, this_dynamic, myB_loc)
+
+ # Get "this" using FindValue, make sure that works too:
+ this_static = frame.FindValue ('this', lldb.eValueTypeVariableArgument, noDynamic)
+ this_dynamic = frame.FindValue ('this', lldb.eValueTypeVariableArgument, useDynamic)
+ self.examine_value_object_of_this_ptr (this_static, this_dynamic, myB_loc)
+
+ # Get "this" using the EvaluateExpression:
+ # These tests fail for now because EvaluateExpression doesn't currently support dynamic typing...
+ #this_static = frame.EvaluateExpression ('this', False)
+ #this_dynamic = frame.EvaluateExpression ('this', True)
+ #self.examine_value_object_of_this_ptr (this_static, this_dynamic, myB_loc)
+
+ # The "frame var" code uses another path to get into children, so let's
+ # make sure that works as well:
+
+ self.expect('frame var -d 1 anotherA.m_client_A._M_ptr', 'frame var finds its way into a child member',
+ patterns = ['\(.* B \*\)'])
+
+ # Now make sure we also get it right for a reference as well:
+
+ anotherA_static = frame.FindVariable ('anotherA', False)
+ self.assertTrue (anotherA_static.IsValid())
+ anotherA_static_addr = int (anotherA_static.GetValue(), 16)
+
+ anotherA_dynamic = frame.FindVariable ('anotherA', True)
+ self.assertTrue (anotherA_dynamic.IsValid())
+ anotherA_dynamic_addr = int (anotherA_dynamic.GetValue(), 16)
+ anotherA_dynamic_typename = anotherA_dynamic.GetTypeName()
+ self.assertTrue (anotherA_dynamic_typename.find('B') != -1)
+
+ self.assertTrue(anotherA_dynamic_addr < anotherA_static_addr)
+
+ anotherA_m_b_value_dynamic = anotherA_dynamic.GetChildMemberWithName('m_b_value', True)
+ self.assertTrue (anotherA_m_b_value_dynamic.IsValid())
+ anotherA_m_b_val = int (anotherA_m_b_value_dynamic.GetValue(), 10)
+ self.assertTrue (anotherA_m_b_val == 300)
+
+ anotherA_m_b_value_static = anotherA_static.GetChildMemberWithName('m_b_value', True)
+ self.assertTrue (anotherA_m_b_value_static.IsValid() == False)
+
+ # Okay, now continue again, and when we hit the second breakpoint in main
+
+ threads = lldbutil.ContinueToBreakpoint (self.process, second_call_bpt)
+ self.assertTrue (len(threads) == 1)
+ thread = threads[0]
+
+ frame = thread.GetFrameAtIndex(0)
+ reallyA_value = frame.FindVariable ('reallyA', False)
+ self.assertTrue(reallyA_value.IsValid())
+ reallyA_loc = int (reallyA_value.GetLocation(), 16)
+
+ # Finally continue to doSomething again, and make sure we get the right value for anotherA,
+ # which this time around is just an "A".
+
+ threads = lldbutil.ContinueToBreakpoint (self.process, do_something_bpt)
+ self.assertTrue(len(threads) == 1)
+ thread = threads[0]
+
+ frame = thread.GetFrameAtIndex(0)
+ anotherA_value = frame.FindVariable ('anotherA', True)
+ self.assertTrue(anotherA_value.IsValid())
+ anotherA_loc = int (anotherA_value.GetValue(), 16)
+ self.assertTrue (anotherA_loc == reallyA_loc)
+ self.assertTrue (anotherA_value.GetTypeName().find ('B') == -1)
+
+if __name__ == '__main__':
+ import atexit
+ lldb.SBDebugger.Initialize()
+ atexit.register(lambda: lldb.SBDebugger.Terminate())
+ unittest2.main()
diff --git a/lldb/test/cpp/dynamic-value/pass-to-base.cpp b/lldb/test/cpp/dynamic-value/pass-to-base.cpp
new file mode 100644
index 00000000000..83ab1617f71
--- /dev/null
+++ b/lldb/test/cpp/dynamic-value/pass-to-base.cpp
@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <memory>
+
+class Extra
+{
+public:
+ Extra (int in_one, int in_two) : m_extra_one(in_one), m_extra_two(in_two) {}
+
+private:
+ int m_extra_one;
+ int m_extra_two;
+};
+
+class A
+{
+public:
+ A(int value) : m_a_value (value) {}
+ A(int value, A* client_A) : m_a_value (value), m_client_A (client_A) {}
+
+ virtual void
+ doSomething (A &anotherA)
+ {
+ printf ("In A %p doing something with %d.\n", this, m_a_value);
+ printf ("Also have another A at %p: %d.\n", &anotherA, anotherA.Value()); // Break here in doSomething.
+ }
+
+ int
+ Value()
+ {
+ return m_a_value;
+ }
+
+private:
+ int m_a_value;
+ std::auto_ptr<A> m_client_A;
+};
+
+class B : public Extra, public virtual A
+{
+public:
+ B (int b_value, int a_value) : Extra(b_value, a_value), A(a_value), m_b_value(b_value) {}
+ B (int b_value, int a_value, A *client_A) : Extra(b_value, a_value), A(a_value, client_A), m_b_value(b_value) {}
+private:
+ int m_b_value;
+};
+
+static A* my_global_A_ptr;
+
+int
+main (int argc, char **argv)
+{
+ my_global_A_ptr = new B (100, 200);
+ B myB (10, 20, my_global_A_ptr);
+ B otherB (300, 400, my_global_A_ptr);
+
+ myB.doSomething(otherB); // Break here and get real addresses of myB and otherB.
+
+ A reallyA (500);
+ myB.doSomething (reallyA); // Break here and get real address of reallyA.
+
+ return 0;
+}
diff --git a/lldb/test/lldbutil.py b/lldb/test/lldbutil.py
index 05813665e0a..998e68dbac9 100644
--- a/lldb/test/lldbutil.py
+++ b/lldb/test/lldbutil.py
@@ -383,3 +383,30 @@ def PrintStackTraces(process, string_buffer = False):
if string_buffer:
return output.getvalue()
+
+def GetThreadsStoppedAtBreakpoint (process, bkpt):
+ """ For a stopped process returns the thread stopped at the breakpoint passed in in bkpt"""
+ stopped_threads = []
+ threads = []
+
+ stopped_threads = get_stopped_threads (process, lldb.eStopReasonBreakpoint)
+
+ if len(stopped_threads) == 0:
+ return threads
+
+ for thread in stopped_threads:
+ # Make sure we've hit our breakpoint...
+ break_id = thread.GetStopReasonDataAtIndex (0)
+ if break_id == bkpt.GetID():
+ threads.append(thread)
+
+ return threads
+
+def ContinueToBreakpoint (process, bkpt):
+ """ Continues the process, when it stops, if there is a thread stopped at bkpt, returns that thread"""
+ process.Continue()
+ if process.GetState() != lldb.eStateStopped:
+ return None
+ else:
+ return GetThreadsStoppedAtBreakpoint (process, bkpt)
+
diff --git a/lldb/test/python_api/process/TestProcessAPI.py b/lldb/test/python_api/process/TestProcessAPI.py
index d00ad19ca09..02dff3c0078 100644
--- a/lldb/test/python_api/process/TestProcessAPI.py
+++ b/lldb/test/python_api/process/TestProcessAPI.py
@@ -209,7 +209,13 @@ class ProcessAPITestCase(TestBase):
if not error.Success() or result != byteSize:
self.fail("SBProcess.WriteMemory() failed")
- # Get the SBValue for the global variable 'my_int' again, with its updated value.
+ # Make sure that the val we got originally updates itself to notice the change:
+ self.expect(val.GetValue(frame),
+ "SBProcess.ReadMemory() successfully writes (int)256 to the memory location for 'my_int'",
+ exe=False,
+ startstr = '256')
+
+ # And for grins, get the SBValue for the global variable 'my_int' again, to make sure that also tracks the new value:
val = frame.FindValue("my_int", lldb.eValueTypeVariableGlobal)
self.expect(val.GetValue(frame),
"SBProcess.ReadMemory() successfully writes (int)256 to the memory location for 'my_int'",
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