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"""Test that conflicting symbols in different shared libraries work correctly"""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestConflictingSymbols(TestBase):
mydir = TestBase.compute_mydir(__file__)
NO_DEBUG_INFO_TESTCASE = True
def test_conflicting_symbols(self):
self.build()
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget("a.out")
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')
lldbutil.run_break_set_by_source_regexp(self, '// break here',
extra_options='-f Two.c')
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'])
self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
substrs=[' resolved, 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'])
self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
substrs=[' resolved, 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'])
self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
substrs=[' resolved, 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")
def test_shadowed(self):
self.build()
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget("a.out")
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"])
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