Vendor import of lldb trunk r256945:

https://llvm.org/svn/llvm-project/lldb/trunk@256945

1 files changed, 77 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/expression_command/issue_11588/Test11588.py b/packages/Python/lldbsuite/test/expression_command/issue_11588/Test11588.py
new file mode 100644
index 0000000..fdc981e
--- /dev/null
+++ b/packages/Python/lldbsuite/test/expression_command/issue_11588/Test11588.py
@@ -0,0 +1,77 @@
+"""
+Test the solution to issue 11581.
+valobj.AddressOf() returns None when an address is
+expected in a SyntheticChildrenProvider
+"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+
+class Issue11581TestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @expectedFailureWindows("llvm.org/pr24778")
+    def test_11581_commands(self):
+        # This is the function to remove the custom commands in order to have a
+        # clean slate for the next test case.
+        def cleanup():
+            self.runCmd('type synthetic clear', check=False)
+
+
+        # Execute the cleanup function during test case tear down.
+        self.addTearDownHook(cleanup)
+
+        """valobj.AddressOf() should return correct values."""
+        self.build()
+        
+        exe = os.path.join(os.getcwd(), "a.out")
+        
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        breakpoint = target.BreakpointCreateBySourceRegex('Set breakpoint here.',lldb.SBFileSpec ("main.cpp", False))
+        
+        process = target.LaunchSimple (None, None, self.get_process_working_directory())
+        self.assertTrue (process, "Created a process.")
+        self.assertTrue (process.GetState() == lldb.eStateStopped, "Stopped it too.")
+
+        thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, breakpoint)
+        self.assertTrue (len(thread_list) == 1)
+        thread = thread_list[0]
+
+        self.runCmd("command script import --allow-reload s11588.py")
+        self.runCmd("type synthetic add --python-class s11588.Issue11581SyntheticProvider StgClosure")
+
+        self.expect("expr --show-types -- *((StgClosure*)(r14-1))",
+            substrs = ["(StgClosure) $",
+            "(StgClosure *) &$","0x",
+            "addr = ",
+            "load_address = "])
+
+        # register r14 is an x86_64 extension let's skip this part of the test
+        # if we are on a different architecture
+        if self.getArchitecture() == 'x86_64':
+                target = lldb.debugger.GetSelectedTarget()
+                process = target.GetProcess()
+                frame = process.GetSelectedThread().GetSelectedFrame()
+                pointer = frame.FindVariable("r14")
+                addr = pointer.GetValueAsUnsigned(0)
+                self.assertTrue(addr != 0, "could not read pointer to StgClosure")
+                addr = addr - 1
+                self.runCmd("register write r14 %d" % addr)
+                self.expect("register read r14",
+                    substrs = ["0x",hex(addr)[2:].rstrip("L")])  # Remove trailing 'L' if it exists
+                self.expect("expr --show-types -- *(StgClosure*)$r14",
+                    substrs = ["(StgClosure) $",
+                    "(StgClosure *) &$","0x",
+                    "addr = ",
+                    "load_address = ",
+                    hex(addr)[2:].rstrip("L"),
+                    str(addr)])