| """ |
| 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 |
| from lldbtest import * |
| |
| class Issue11581TestCase(TestBase): |
| |
| mydir = os.path.join("expression_command", "issue_11588") |
| |
| 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() |
| |
| self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) |
| |
| self.runCmd("breakpoint set --name main") |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| self.runCmd("next", RUN_SUCCEEDED) |
| self.runCmd("next", RUN_SUCCEEDED) |
| self.runCmd("next", RUN_SUCCEEDED) |
| self.runCmd("next", RUN_SUCCEEDED) |
| self.runCmd("next", RUN_SUCCEEDED) |
| |
| self.runCmd("command script import s11588.py") |
| self.runCmd("type synthetic add --python-class s11588.Issue11581SyntheticProvider StgClosure") |
| |
| self.expect("print *((StgClosure*)(r14-1))", |
| substrs = ["(StgClosure) $", |
| "(StgClosure *) &$","0x", |
| "(long) addr = ", |
| "(long) 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:]]) |
| self.expect("print *(StgClosure*)$r14", |
| substrs = ["(StgClosure) $", |
| "(StgClosure *) &$","0x", |
| "(long) addr = ", |
| "(long) load_address = ", |
| hex(addr)[2:], |
| str(addr)]) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
