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      1 """
      2 Test newly added SBSymbol and SBAddress APIs.
      3 """
      4 
      5 import os, time
      6 import re
      7 import unittest2
      8 import lldb, lldbutil
      9 from lldbtest import *
     10 
     11 class SymbolAPITestCase(TestBase):
     12 
     13     mydir = os.path.join("python_api", "function_symbol")
     14 
     15     @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
     16     @python_api_test
     17     @dsym_test
     18     def test_with_dsym(self):
     19         """Exercise some SBSymbol and SBAddress APIs."""
     20         self.buildDsym()
     21         self.symbol_and_address_api()
     22 
     23     @python_api_test
     24     @dwarf_test
     25     def test_with_dwarf(self):
     26         """Exercise some SBSymbol and SBAddress APIs."""
     27         self.buildDwarf()
     28         self.symbol_and_address_api()
     29 
     30     def setUp(self):
     31         # Call super's setUp().
     32         TestBase.setUp(self)
     33         # Find the line number to of function 'c'.
     34         self.line1 = line_number('main.c', '// Find the line number for breakpoint 1 here.')
     35         self.line2 = line_number('main.c', '// Find the line number for breakpoint 2 here.')
     36 
     37     def symbol_and_address_api(self):
     38         """Exercise some SBSymbol and SBAddress APIs."""
     39         exe = os.path.join(os.getcwd(), "a.out")
     40 
     41         # Create a target by the debugger.
     42         target = self.dbg.CreateTarget(exe)
     43         self.assertTrue(target, VALID_TARGET)
     44 
     45         # Now create the two breakpoints inside function 'a'.
     46         breakpoint1 = target.BreakpointCreateByLocation('main.c', self.line1)
     47         breakpoint2 = target.BreakpointCreateByLocation('main.c', self.line2)
     48         #print "breakpoint1:", breakpoint1
     49         #print "breakpoint2:", breakpoint2
     50         self.assertTrue(breakpoint1 and
     51                         breakpoint1.GetNumLocations() == 1,
     52                         VALID_BREAKPOINT)
     53         self.assertTrue(breakpoint2 and
     54                         breakpoint2.GetNumLocations() == 1,
     55                         VALID_BREAKPOINT)
     56 
     57         # Now launch the process, and do not stop at entry point.
     58         process = target.LaunchSimple(None, None, os.getcwd())
     59         self.assertTrue(process, PROCESS_IS_VALID)
     60 
     61         # Frame #0 should be on self.line1.
     62         self.assertTrue(process.GetState() == lldb.eStateStopped)
     63         thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
     64         self.assertTrue(thread.IsValid(), "There should be a thread stopped due to breakpoint condition")
     65         frame0 = thread.GetFrameAtIndex(0)
     66         symbol_line1 = frame0.GetSymbol()
     67         # We should have a symbol type of code.
     68         self.assertTrue(symbol_line1.GetType() == lldb.eSymbolTypeCode)
     69         addr_line1 = symbol_line1.GetStartAddress()
     70         # And a section type of code, too.
     71         self.assertTrue(addr_line1.GetSection().GetSectionType() == lldb.eSectionTypeCode)
     72 
     73         # Continue the inferior, the breakpoint 2 should be hit.
     74         process.Continue()
     75         self.assertTrue(process.GetState() == lldb.eStateStopped)
     76         thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
     77         self.assertTrue(thread.IsValid(), "There should be a thread stopped due to breakpoint condition")
     78         frame0 = thread.GetFrameAtIndex(0)
     79         symbol_line2 = frame0.GetSymbol()
     80         # We should have a symbol type of code.
     81         self.assertTrue(symbol_line2.GetType() == lldb.eSymbolTypeCode)
     82         addr_line2 = symbol_line2.GetStartAddress()
     83         # And a section type of code, too.
     84         self.assertTrue(addr_line2.GetSection().GetSectionType() == lldb.eSectionTypeCode)
     85 
     86         # Now verify that both addresses point to the same module.
     87         if self.TraceOn():
     88             print "UUID:", addr_line1.GetModule().GetUUIDString()
     89         self.assertTrue(addr_line1.GetModule().GetUUIDString() == addr_line2.GetModule().GetUUIDString())
     90 
     91         
     92 if __name__ == '__main__':
     93     import atexit
     94     lldb.SBDebugger.Initialize()
     95     atexit.register(lambda: lldb.SBDebugger.Terminate())
     96     unittest2.main()
     97