bolt/deps/llvm-18.1.8/lldb/test/API/lang/c/conflicting-symbol/TestConflictingSymbol.py

"""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"],
        )