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"""Test that types defined in shared libraries work correctly."""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
class SharedLibTestCase(TestBase):
mydir = os.path.join("lang", "c", "shared_lib")
@dsym_test
def test_expr_with_dsym(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
self.buildDsym()
self.expr()
@dwarf_test
def test_expr_with_dwarf(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
self.buildDwarf()
self.expr()
@dsym_test
def test_frame_variable_with_dsym(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
self.buildDsym()
self.frame_var()
@dwarf_test
def test_frame_variable_with_dwarf(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
self.buildDwarf()
self.frame_var()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number('main.c', '// Set breakpoint 0 here.')
if sys.platform.startswith("linux"):
self.runCmd("settings set target.env-vars " + self.dylibPath + "=" + os.getcwd())
self.addTearDownHook(lambda: self.runCmd("settings remove target.env-vars " + self.dylibPath))
def common_setup(self):
exe = os.path.join(os.getcwd(), "a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Break inside the foo function which takes a bar_ptr argument.
lldbutil.run_break_set_by_file_and_line (self, "main.c", self.line, num_expected_locations=1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
# The breakpoint should have a hit count of 1.
self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
substrs = [' resolved, hit count = 1'])
def expr(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
if "clang" in self.getCompiler() and "3.4" in self.getCompilerVersion():
self.skipTest("llvm.org/pr16214 -- clang emits partial DWARF for structures referenced via typedef")
self.common_setup()
# This should display correctly.
self.expect("expression --show-types -- *my_foo_ptr", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ["(foo)", "(sub_foo)", "other_element = 3"])
@unittest2.expectedFailure
# rdar://problem/10381325
def frame_var(self):
"""Test that types work when defined in a shared library and forward-declared in the main executable"""
self.common_setup()
# This should display correctly.
self.expect("frame variable --show-types -- *my_foo_ptr", VARIABLES_DISPLAYED_CORRECTLY,
substrs = ["(foo)", "(sub_foo)", "other_element = 3"])
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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