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"""
Test that breakpoint works correctly in the presence of dead-code stripping.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class DeadStripTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureWindows("llvm.org/pr24778")
@expectedFailureDwo("llvm.org/pr25087")
@skipIfFreeBSD # The -dead_strip linker option isn't supported on FreeBSD versions of ld.
def test(self):
"""Test breakpoint works correctly with dead-code stripping."""
self.build()
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break by function name f1 (live code).
lldbutil.run_break_set_by_symbol (self, "f1", num_expected_locations=1, module_name="a.out")
# Break by function name f2 (dead code).
lldbutil.run_break_set_by_symbol (self, "f2", num_expected_locations=0, module_name="a.out")
# Break by function name f3 (live code).
lldbutil.run_break_set_by_symbol (self, "f3", num_expected_locations=1, module_name="a.out")
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint (breakpoint #1).
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'a.out`f1',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
self.expect("breakpoint list -f 1", BREAKPOINT_HIT_ONCE,
substrs = [' resolved, hit count = 1'])
self.runCmd("continue")
# The stop reason of the thread should be breakpoint (breakpoint #3).
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'a.out`f3',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
self.expect("breakpoint list -f 3", BREAKPOINT_HIT_ONCE,
substrs = [' resolved, hit count = 1'])
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