| """Test variable with function ptr type and that break on the function works.""" |
| |
| import os, time |
| import unittest2 |
| import lldb |
| from lldbtest import * |
| |
| class FunctionTypesTestCase(TestBase): |
| |
| mydir = os.path.join("lang", "c", "function_types") |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| def test_with_dsym(self): |
| """Test 'callback' has function ptr type, then break on the function.""" |
| self.buildDsym() |
| self.function_types() |
| |
| @dwarf_test |
| def test_with_dwarf(self): |
| """Test 'callback' has function ptr type, then break on the function.""" |
| self.buildDwarf() |
| self.function_types() |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @dsym_test |
| def test_pointers_with_dsym(self): |
| """Test that a function pointer to 'printf' works and can be called.""" |
| self.buildDsym() |
| self.function_pointers() |
| |
| @dwarf_test |
| def test_pointers_with_dwarf(self): |
| """Test that a function pointer to 'printf' works and can be called.""" |
| self.buildDwarf() |
| self.function_pointers() |
| |
| 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 break point at this line.') |
| |
| def runToBreakpoint(self): |
| exe = os.path.join(os.getcwd(), "a.out") |
| self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) |
| |
| # Break inside the main. |
| self.expect("breakpoint set -f main.c -l %d" % self.line, |
| BREAKPOINT_CREATED, |
| startstr = "Breakpoint created: 1: file ='main.c', line = %d, locations = 1" % |
| self.line) |
| |
| 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 function_types(self): |
| """Test 'callback' has function ptr type, then break on the function.""" |
| |
| self.runToBreakpoint() |
| |
| # Check that the 'callback' variable display properly. |
| self.expect("frame variable -T callback", VARIABLES_DISPLAYED_CORRECTLY, |
| startstr = '(int (*)(const char *)) callback =') |
| |
| # And that we can break on the callback function. |
| self.runCmd("breakpoint set -n string_not_empty", BREAKPOINT_CREATED) |
| self.runCmd("continue") |
| |
| # Check that we do indeed stop on the string_not_empty function. |
| self.expect("process status", STOPPED_DUE_TO_BREAKPOINT, |
| substrs = ['a.out`string_not_empty', |
| 'stop reason = breakpoint']) |
| |
| def function_pointers(self): |
| """Test that a function pointer to 'printf' works and can be called.""" |
| |
| self.runToBreakpoint() |
| |
| self.expect("expr string_not_empty", |
| substrs = ['(int (*)(const char *)) $0 = ', '(a.out`']) |
| |
| if sys.platform.startswith("darwin"): |
| regexps = ['lib.*\.dylib`printf'] |
| else: |
| regexps = ['printf'] |
| self.expect("expr (int (*)(const char*, ...))printf", |
| substrs = ['(int (*)(const char *, ...)) $1 = '], |
| patterns = regexps) |
| |
| self.expect("expr $1(\"Hello world\\n\")", |
| startstr = '(int) $2 = 12') |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |
