| """ |
| Test that SBProcess.LoadImageUsingPaths uses RTLD_LAZY |
| """ |
| |
| |
| |
| import os |
| import shutil |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class LoadUsingLazyBind(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| NO_DEBUG_INFO_TESTCASE = True |
| |
| @skipIfRemote |
| @skipIfWindows # The Windows platform doesn't implement DoLoadImage. |
| # Failing for unknown reasons on Linux, see |
| # https://bugs.llvm.org/show_bug.cgi?id=49656. |
| def test_load_using_lazy_bind(self): |
| """Test that we load using RTLD_LAZY""" |
| |
| self.build() |
| wd = os.path.realpath(self.getBuildDir()) |
| |
| def make_lib_name(name): |
| return (self.platformContext.shlib_prefix + name + "." + |
| self.platformContext.shlib_extension) |
| |
| def make_lib_path(name): |
| libpath = os.path.join(wd, make_lib_name(name)) |
| self.assertTrue(os.path.exists(libpath)) |
| return libpath |
| |
| libt2_0 = make_lib_path('t2_0') |
| libt2_1 = make_lib_path('t2_1') |
| |
| # Overwrite t2_0 with t2_1 to delete the definition of `use`. |
| shutil.copy(libt2_1, libt2_0) |
| |
| # Launch a process and break |
| (target, process, thread, _) = lldbutil.run_to_source_breakpoint(self, |
| "break here", |
| lldb.SBFileSpec("main.cpp"), |
| extra_images=["t1"]) |
| |
| # Load libt1; should fail unless we use RTLD_LAZY |
| error = lldb.SBError() |
| lib_spec = lldb.SBFileSpec(make_lib_name('t1')) |
| paths = lldb.SBStringList() |
| paths.AppendString(wd) |
| out_spec = lldb.SBFileSpec() |
| token = process.LoadImageUsingPaths(lib_spec, paths, out_spec, error) |
| self.assertNotEqual(token, lldb.LLDB_INVALID_IMAGE_TOKEN, "Got a valid token") |
| |
| # Calling `f1()` should return 5. |
| frame = thread.GetFrameAtIndex(0) |
| val = frame.EvaluateExpression("f1()") |
| self.assertTrue(val.IsValid()) |
| self.assertEquals(val.GetValueAsSigned(-1), 5) |
