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"""
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):
NO_DEBUG_INFO_TESTCASE = True
@skipIfRemote
@skipIfWindows # The Windows platform doesn't implement DoLoadImage.
@skipIf(oslist=["linux"], archs=["arm"]) # Fails on arm/linux
# 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.assertEqual(val.GetValueAsSigned(-1), 5)
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