| """ |
| Test retrieval of SBAddress from function/symbol, disassembly, and SBAddress APIs. |
| """ |
| |
| import os, time |
| import re |
| import unittest2 |
| import lldb, lldbutil |
| from lldbtest import * |
| |
| class DisasmAPITestCase(TestBase): |
| |
| mydir = os.path.join("python_api", "function_symbol") |
| |
| @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") |
| @python_api_test |
| def test_with_dsym(self): |
| """Exercise getting SBAddress objects, disassembly, and SBAddress APIs.""" |
| self.buildDsym() |
| self.disasm_and_address_api() |
| |
| @python_api_test |
| def test_with_dwarf(self): |
| """Exercise getting SBAddress objects, disassembly, and SBAddress APIs.""" |
| self.buildDwarf() |
| self.disasm_and_address_api() |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # Find the line number to of function 'c'. |
| self.line1 = line_number('main.c', '// Find the line number for breakpoint 1 here.') |
| self.line2 = line_number('main.c', '// Find the line number for breakpoint 2 here.') |
| |
| def disasm_and_address_api(self): |
| """Exercise getting SBAddress objects, disassembly, and SBAddress APIs.""" |
| exe = os.path.join(os.getcwd(), "a.out") |
| |
| # Create a target by the debugger. |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target.IsValid(), VALID_TARGET) |
| |
| # Now create the two breakpoints inside function 'a'. |
| breakpoint1 = target.BreakpointCreateByLocation('main.c', self.line1) |
| breakpoint2 = target.BreakpointCreateByLocation('main.c', self.line2) |
| #print "breakpoint1:", breakpoint1 |
| #print "breakpoint2:", breakpoint2 |
| self.assertTrue(breakpoint1.IsValid() and |
| breakpoint1.GetNumLocations() == 1, |
| VALID_BREAKPOINT) |
| self.assertTrue(breakpoint2.IsValid() and |
| breakpoint2.GetNumLocations() == 1, |
| VALID_BREAKPOINT) |
| |
| # Now launch the process, and do not stop at entry point. |
| error = lldb.SBError() |
| self.process = target.Launch (self.dbg.GetListener(), None, None, os.ctermid(), os.ctermid(), os.ctermid(), None, 0, False, error) |
| |
| self.process = target.GetProcess() |
| self.assertTrue(self.process.IsValid(), PROCESS_IS_VALID) |
| |
| # Frame #0 should be on self.line1. |
| self.assertTrue(self.process.GetState() == lldb.eStateStopped) |
| thread = lldbutil.get_stopped_thread(self.process, lldb.eStopReasonBreakpoint) |
| self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition") |
| frame0 = thread.GetFrameAtIndex(0) |
| lineEntry = frame0.GetLineEntry() |
| self.assertTrue(lineEntry.GetLine() == self.line1) |
| |
| address1 = lineEntry.GetStartAddress() |
| #print "address1:", address1 |
| |
| # Now call SBTarget.ResolveSymbolContextForAddress() with address1. |
| context1 = target.ResolveSymbolContextForAddress(address1, lldb.eSymbolContextEverything) |
| |
| self.assertTrue(context1.IsValid()) |
| print "context1:", context1 |
| |
| # Continue the inferior, the breakpoint 2 should be hit. |
| self.process.Continue() |
| self.assertTrue(self.process.GetState() == lldb.eStateStopped) |
| thread = lldbutil.get_stopped_thread(self.process, lldb.eStopReasonBreakpoint) |
| self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition") |
| frame0 = thread.GetFrameAtIndex(0) |
| lineEntry = frame0.GetLineEntry() |
| self.assertTrue(lineEntry.GetLine() == self.line2) |
| |
| # Verify that the symbol and the function has the same address range per function 'a'. |
| symbol = context1.GetSymbol() |
| function = frame0.GetFunction() |
| self.assertTrue(symbol.IsValid() and function.IsValid()) |
| |
| print "symbol:", symbol |
| print "disassembly=>\n", lldbutil.disassemble(target, symbol) |
| |
| print "function:", function |
| print "disassembly=>\n", lldbutil.disassemble(target, function) |
| |
| sa1 = symbol.GetStartAddress() |
| #print "sa1:", sa1 |
| #ea1 = symbol.GetEndAddress() |
| #print "ea1:", ea1 |
| sa2 = function.GetStartAddress() |
| #print "sa2:", sa2 |
| #ea2 = function.GetEndAddress() |
| #print "ea2:", ea2 |
| |
| stream1 = lldb.SBStream() |
| sa1.GetDescription(stream1) |
| stream2 = lldb.SBStream() |
| sa2.GetDescription(stream2) |
| |
| self.expect(stream1.GetData(), "The two starting addresses should be the same", exe=False, |
| startstr = stream2.GetData()) |
| |
| |
| if __name__ == '__main__': |
| import atexit |
| lldb.SBDebugger.Initialize() |
| atexit.register(lambda: lldb.SBDebugger.Terminate()) |
| unittest2.main() |