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"""Test that conflicting symbols in different shared libraries work correctly"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestConflictingSymbols(TestBase):
NO_DEBUG_INFO_TESTCASE = True
def setUp(self):
TestBase.setUp(self)
lldbutil.mkdir_p(self.getBuildArtifact("One"))
lldbutil.mkdir_p(self.getBuildArtifact("Two"))
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24489")
def test_conflicting_symbols(self):
self.build()
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Register our shared libraries for remote targets so they get
# automatically uploaded
environment = self.registerSharedLibrariesWithTarget(target, ["One", "Two"])
lldbutil.run_break_set_by_source_regexp(
self, "// break here", extra_options="-f One.c", num_expected_locations=-2
)
lldbutil.run_break_set_by_source_regexp(
self, "// break here", extra_options="-f Two.c", num_expected_locations=-2
)
lldbutil.run_break_set_by_source_regexp(
self, "// break here", extra_options="-f main.c", num_expected_locations=1
)
process = target.LaunchSimple(
None, environment, self.get_process_working_directory()
)
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# This should display correctly.
self.expect(
"expr (unsigned long long)conflicting_symbol",
"Symbol from One should be found",
substrs=["11111"],
)
self.runCmd("continue", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.expect(
"expr (unsigned long long)conflicting_symbol",
"Symbol from Two should be found",
substrs=["22222"],
)
self.runCmd("continue", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
self.expect(
"expr (unsigned long long)conflicting_symbol",
"An error should be printed when symbols can't be ordered",
error=True,
substrs=["Multiple internal symbols"],
)
@expectedFailureAll(bugnumber="llvm.org/pr35043")
@skipIfWindows # This test is "passing" on Windows, but it is a false positive.
def test_shadowed(self):
self.build()
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Register our shared libraries for remote targets so they get
# automatically uploaded
environment = self.registerSharedLibrariesWithTarget(target, ["One", "Two"])
lldbutil.run_break_set_by_source_regexp(
self, "// break here", extra_options="-f main.c", num_expected_locations=1
)
process = target.LaunchSimple(
None, environment, self.get_process_working_directory()
)
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# As we are shadowing the conflicting symbol, there should be no
# ambiguity in this expression.
self.expect(
"expr int conflicting_symbol = 474747; conflicting_symbol",
substrs=["474747"],
)
|
