| """ |
| 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() |
| |
| (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self, |
| 'Set breakpoint here.', |
| lldb.SBFileSpec("main.cpp", False)) |
| 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)]) |
