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