""" 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 import time import lldb from lldbsuite.test.decorators import * from lldbsuite.test.lldbtest import * from lldbsuite.test import lldbutil class Issue11581TestCase(TestBase): mydir = TestBase.compute_mydir(__file__) @expectedFailureAll(oslist=["windows"], bugnumber="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)])