| """ |
| Test the solution to issue 11581. |
| valobj.AddressOf() returns None when an address is |
| expected in a SyntheticChildrenProvider |
| """ |
| |
| import os, time |
| import unittest2 |
| import lldb |
| import lldbutil |
| from lldbtest import * |
| |
| class Issue11581TestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| 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.buildDefault() |
| |
| 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 = "]) |
| |
| |
| target = lldb.debugger.GetSelectedTarget() |
| process = target.GetProcess() |
| # register r14 does not exist on 32-bit architectures, it is an x86_64 extension |
| # let's skip this part of the test if we are in 32-bit mode |
| if process.GetAddressByteSize() == 8: |
| 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)]) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
