1 """ 2 Test SBSymbolContext APIs. 3 """ 4 5 import os, time 6 import re 7 import unittest2 8 import lldb, lldbutil 9 from lldbtest import * 10 11 class SymbolContextAPITestCase(TestBase): 12 13 mydir = os.path.join("python_api", "symbol-context") 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 SBSymbolContext API extensively.""" 20 self.buildDsym() 21 self.symbol_context() 22 23 @python_api_test 24 @dwarf_test 25 def test_with_dwarf(self): 26 """Exercise SBSymbolContext API extensively.""" 27 self.buildDwarf() 28 self.symbol_context() 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.line = line_number('main.c', '// Find the line number of function "c" here.') 35 36 def symbol_context(self): 37 """Get an SBSymbolContext object and call its many methods.""" 38 exe = os.path.join(os.getcwd(), "a.out") 39 40 # Create a target by the debugger. 41 target = self.dbg.CreateTarget(exe) 42 self.assertTrue(target, VALID_TARGET) 43 44 # Now create a breakpoint on main.c by name 'c'. 45 breakpoint = target.BreakpointCreateByName('c', 'a.out') 46 #print "breakpoint:", breakpoint 47 self.assertTrue(breakpoint and 48 breakpoint.GetNumLocations() == 1, 49 VALID_BREAKPOINT) 50 51 # Now launch the process, and do not stop at entry point. 52 process = target.LaunchSimple(None, None, os.getcwd()) 53 self.assertTrue(process, PROCESS_IS_VALID) 54 55 # Frame #0 should be on self.line. 56 from lldbutil import get_stopped_thread 57 thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint) 58 self.assertTrue(thread.IsValid(), "There should be a thread stopped due to breakpoint") 59 frame0 = thread.GetFrameAtIndex(0) 60 self.assertTrue(frame0.GetLineEntry().GetLine() == self.line) 61 62 # Now get the SBSymbolContext from this frame. We want everything. :-) 63 context = frame0.GetSymbolContext(lldb.eSymbolContextEverything) 64 self.assertTrue(context) 65 66 # Get the description of this module. 67 module = context.GetModule() 68 desc = lldbutil.get_description(module) 69 self.expect(desc, "The module should match", exe=False, 70 substrs = [os.path.join(self.mydir, 'a.out')]) 71 72 compileUnit = context.GetCompileUnit() 73 self.expect(str(compileUnit), "The compile unit should match", exe=False, 74 substrs = [os.path.join(self.mydir, 'main.c')]) 75 76 function = context.GetFunction() 77 self.assertTrue(function) 78 #print "function:", function 79 80 block = context.GetBlock() 81 self.assertTrue(block) 82 #print "block:", block 83 84 lineEntry = context.GetLineEntry() 85 #print "line entry:", lineEntry 86 self.expect(lineEntry.GetFileSpec().GetDirectory(), "The line entry should have the correct directory", 87 exe=False, 88 substrs = [self.mydir]) 89 self.expect(lineEntry.GetFileSpec().GetFilename(), "The line entry should have the correct filename", 90 exe=False, 91 substrs = ['main.c']) 92 self.assertTrue(lineEntry.GetLine() == self.line, 93 "The line entry's line number should match ") 94 95 symbol = context.GetSymbol() 96 self.assertTrue(function.GetName() == symbol.GetName() and symbol.GetName() == 'c', 97 "The symbol name should be 'c'") 98 99 100 if __name__ == '__main__': 101 import atexit 102 lldb.SBDebugger.Initialize() 103 atexit.register(lambda: lldb.SBDebugger.Terminate()) 104 unittest2.main() 105
