diff options
Diffstat (limited to 'lldb/test/python_api/process/TestProcessAPI.py')
-rw-r--r-- | lldb/test/python_api/process/TestProcessAPI.py | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/lldb/test/python_api/process/TestProcessAPI.py b/lldb/test/python_api/process/TestProcessAPI.py new file mode 100644 index 00000000000..be3c9669d83 --- /dev/null +++ b/lldb/test/python_api/process/TestProcessAPI.py @@ -0,0 +1,102 @@ +""" +Test symbol table access for main.m. +""" + +import os, time +import unittest2 +import lldb +from lldbtest import * + +@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") +class ProcessAPITestCase(TestBase): + + mydir = os.path.join("python_api", "process") + + symbols_list = ['main', + 'my_char' + ] + + @python_api_test + def test_with_dsym_and_python_api(self): + """Test Python process APIs.""" + self.buildDsym() + self.process_api() + + @python_api_test + def test_with_dwarf_and_python_api(self): + """Test Python process APIs.""" + self.buildDwarf() + self.process_api() + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + # Find the line number to break inside main(). + self.line = line_number("main.cpp", "// Set break point at this line and check variable 'my_char'.") + + def process_api(self): + """Test Python process APIs.""" + exe = os.path.join(os.getcwd(), "a.out") + self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) + + target = self.dbg.CreateTarget(exe) + self.assertTrue(target.IsValid(), VALID_TARGET) + + breakpoint = target.BreakpointCreateByLocation("main.cpp", self.line) + self.assertTrue(breakpoint.IsValid(), VALID_BREAKPOINT) + + # Launch the process, and do not stop at the entry point. + error = lldb.SBError() + self.process = target.Launch (self.dbg.GetListener(), None, None, os.ctermid(), os.ctermid(), os.ctermid(), None, 0, False, error) + + thread = self.process.GetThreadAtIndex(0); + frame = thread.GetFrameAtIndex(0); + + # Get the SBValue for the global variable 'my_char'. + val = frame.FindValue("my_char", lldb.eValueTypeVariableGlobal) + location = int(val.GetLocation(frame), 16) + self.DebugSBValue(frame, val) + + # Due to the typemap magic (see lldb.swig), we pass in 1 to ReadMemory and + # expect to get a Python string as the result object! + content = self.process.ReadMemory(location, 1, error) + print "content:", content + + self.expect(content, "Result from SBProcess.ReadMemory() matches our expected output: 'x'", + exe=False, + startstr = 'x') + + # + # Exercise Python APIs to access the symbol table entries. + # + + # Create the filespec by which to locate our a.out module. + filespec = lldb.SBFileSpec(exe, False) + + module = target.FindModule(filespec) + self.assertTrue(module.IsValid(), VALID_MODULE) + + # Create the set of known symbols. As we iterate through the symbol + # table, remove the symbol from the set if it is a known symbol. + expected_symbols = set(self.symbols_list) + from lldbutil import lldb_iter + for symbol in lldb_iter(module, 'GetNumSymbols', 'GetSymbolAtIndex'): + self.assertTrue(symbol.IsValid(), VALID_SYMBOL) + #print "symbol:", symbol + name = symbol.GetName() + if name in expected_symbols: + #print "Removing %s from known_symbols %s" % (name, expected_symbols) + expected_symbols.remove(name) + + # At this point, the known_symbols set should have become an empty set. + # If not, raise an error. + #print "symbols unaccounted for:", expected_symbols + self.assertTrue(len(expected_symbols) == 0, + "All the known symbols are accounted for") + + +if __name__ == '__main__': + import atexit + lldb.SBDebugger.Initialize() + atexit.register(lambda: lldb.SBDebugger.Terminate()) + unittest2.main() |