TestSymbolAPI.py revision 919ee60577297be31eb69f14a5901e7c6170a9ca
1""" 2Test newly added SBSymbol and SBAddress APIs. 3""" 4 5import os, time 6import re 7import unittest2 8import lldb, lldbutil 9from lldbtest import * 10 11class 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 def test_with_dsym(self): 18 """Exercise some SBSymbol and SBAddress APIs.""" 19 self.buildDsym() 20 self.symbol_and_address_api() 21 22 @python_api_test 23 def test_with_dwarf(self): 24 """Exercise some SBSymbol and SBAddress APIs.""" 25 self.buildDwarf() 26 self.symbol_and_address_api() 27 28 def setUp(self): 29 # Call super's setUp(). 30 TestBase.setUp(self) 31 # Find the line number to of function 'c'. 32 self.line1 = line_number('main.c', '// Find the line number for breakpoint 1 here.') 33 self.line2 = line_number('main.c', '// Find the line number for breakpoint 2 here.') 34 35 def symbol_and_address_api(self): 36 """Exercise some SBSymbol and SBAddress APIs.""" 37 exe = os.path.join(os.getcwd(), "a.out") 38 39 # Create a target by the debugger. 40 target = self.dbg.CreateTarget(exe) 41 self.assertTrue(target.IsValid(), VALID_TARGET) 42 43 # Now create the two breakpoints inside function 'a'. 44 breakpoint1 = target.BreakpointCreateByLocation('main.c', self.line1) 45 breakpoint2 = target.BreakpointCreateByLocation('main.c', self.line2) 46 #print "breakpoint1:", breakpoint1 47 #print "breakpoint2:", breakpoint2 48 self.assertTrue(breakpoint1.IsValid() and 49 breakpoint1.GetNumLocations() == 1, 50 VALID_BREAKPOINT) 51 self.assertTrue(breakpoint2.IsValid() and 52 breakpoint2.GetNumLocations() == 1, 53 VALID_BREAKPOINT) 54 55 # Now launch the process, and do not stop at entry point. 56 error = lldb.SBError() 57 self.process = target.LaunchSimple (None, None, os.getcwd()) 58 59 self.process = target.GetProcess() 60 self.assertTrue(self.process.IsValid(), PROCESS_IS_VALID) 61 62 # Frame #0 should be on self.line1. 63 self.assertTrue(self.process.GetState() == lldb.eStateStopped) 64 thread = lldbutil.get_stopped_thread(self.process, lldb.eStopReasonBreakpoint) 65 self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition") 66 frame0 = thread.GetFrameAtIndex(0) 67 symbol_line1 = frame0.GetSymbol() 68 # We should have a symbol type of code. 69 self.assertTrue(symbol_line1.GetType() == lldb.eSymbolTypeCode) 70 addr_line1 = symbol_line1.GetStartAddress() 71 # And a section type of code, too. 72 self.assertTrue(addr_line1.GetSectionType() == lldb.eSectionTypeCode) 73 74 # Continue the inferior, the breakpoint 2 should be hit. 75 self.process.Continue() 76 self.assertTrue(self.process.GetState() == lldb.eStateStopped) 77 thread = lldbutil.get_stopped_thread(self.process, lldb.eStopReasonBreakpoint) 78 self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition") 79 frame0 = thread.GetFrameAtIndex(0) 80 symbol_line2 = frame0.GetSymbol() 81 # We should have a symbol type of code. 82 self.assertTrue(symbol_line2.GetType() == lldb.eSymbolTypeCode) 83 addr_line2 = symbol_line2.GetStartAddress() 84 # And a section type of code, too. 85 self.assertTrue(addr_line2.GetSectionType() == lldb.eSectionTypeCode) 86 87 # Now verify that both addresses point to the same module. 88 print "UUID:", addr_line1.GetModule().GetUUIDString() 89 self.assertTrue(addr_line1.GetModule().GetUUIDString() == addr_line2.GetModule().GetUUIDString()) 90 91 92if __name__ == '__main__': 93 import atexit 94 lldb.SBDebugger.Initialize() 95 atexit.register(lambda: lldb.SBDebugger.Terminate()) 96 unittest2.main() 97