| """ |
| Test calling user defined functions using expression evaluation. |
| |
| Note: |
| LLDBs current first choice of evaluating functions is using the IR interpreter, |
| which is only supported on Hexagon. Otherwise JIT is used for the evaluation. |
| |
| """ |
| |
| import unittest2 |
| import lldb |
| import lldbutil |
| from lldbtest import * |
| |
| class ExprCommandCallUserDefinedFunction(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to break for main.c. |
| self.line = line_number('main.cpp', |
| '// Please test these expressions while stopped at this line:') |
| @skipUnlessDarwin |
| @dsym_test |
| @expectedFailureDarwin("llvm.org/pr20274") # intermittent failure on MacOSX |
| def test_with_dsym(self): |
| """Test return values of user defined function calls.""" |
| self.buildDsym() |
| self.call_function() |
| |
| @dwarf_test |
| @expectedFailureFreeBSD("llvm.org/pr20274") # intermittent failure |
| def test_with_dwarf(self): |
| """Test return values of user defined function calls.""" |
| self.buildDwarf() |
| self.call_functions() |
| |
| def call_functions(self): |
| """Test return values of user defined function calls.""" |
| |
| # Set breakpoint in main and run exe |
| self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) |
| lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=True) |
| |
| self.runCmd("run", RUN_SUCCEEDED) |
| |
| # Test recursive function call. |
| self.expect("expr fib(5)", substrs = ['$0 = 5']) |
| |
| # Test function with more than one paramter |
| self.expect("expr add(4,8)", substrs = ['$1 = 12']) |
| |
| # Test nesting function calls in function paramters |
| self.expect("expr add(add(5,2),add(3,4))", substrs = ['$2 = 14']) |
| self.expect("expr add(add(5,2),fib(5))", substrs = ['$3 = 12']) |
| |
| # Test function with pointer paramter |
| self.expect("exp stringCompare((const char*) \"Hello world\")", substrs = ['$4 = true']) |
| self.expect("exp stringCompare((const char*) \"Hellworld\")", substrs = ['$5 = false']) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |