4ebd019b97
those lldb objects which implement the IsValid() method, let's change the rest of the test suite to use the more compact truth value testing pattern (the Python way). llvm-svn: 131970
207 lines
8.0 KiB
Python
207 lines
8.0 KiB
Python
"""
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Test SBTarget APIs.
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"""
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import os, time
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import re
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import unittest2
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import lldb, lldbutil
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from lldbtest import *
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class TargetAPITestCase(TestBase):
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mydir = os.path.join("python_api", "target")
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@python_api_test
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def test_get_description_with_dsym(self):
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"""Exercise SBTaget.GetDescription() API."""
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self.buildDsym()
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self.get_description()
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@python_api_test
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def test_get_description_with_dwarf(self):
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"""Exercise SBTarget.GetDescription() API."""
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self.buildDwarf()
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self.get_description()
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@python_api_test
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def test_launch_new_process_and_redirect_stdout_with_dsym(self):
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"""Exercise SBTaget.Launch() API."""
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self.buildDsym()
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self.launch_new_process_and_redirect_stdout()
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@python_api_test
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def test_launch_new_process_and_redirect_stdout_with_dwarf(self):
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"""Exercise SBTarget.Launch() API."""
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self.buildDwarf()
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self.launch_new_process_and_redirect_stdout()
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@python_api_test
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def test_resolve_symbol_context_with_address_with_dsym(self):
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"""Exercise SBTaget.ResolveSymbolContextForAddress() API."""
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self.buildDsym()
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self.resolve_symbol_context_with_address()
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@python_api_test
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def test_resolve_symbol_context_with_address_with_dwarf(self):
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"""Exercise SBTarget.ResolveSymbolContextForAddress() API."""
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self.buildDwarf()
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self.resolve_symbol_context_with_address()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to of function 'c'.
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self.line1 = line_number('main.c', '// Find the line number for breakpoint 1 here.')
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self.line2 = line_number('main.c', '// Find the line number for breakpoint 2 here.')
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def get_description(self):
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"""Exercise SBTaget.GetDescription() API."""
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exe = os.path.join(os.getcwd(), "a.out")
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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from lldbutil import get_description
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# get_description() allows no option to mean lldb.eDescriptionLevelBrief.
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desc = get_description(target)
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#desc = get_description(target, option=lldb.eDescriptionLevelBrief)
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if not desc:
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self.fail("SBTarget.GetDescription() failed")
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self.expect(desc, exe=False,
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substrs = ['a.out'])
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self.expect(desc, exe=False, matching=False,
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substrs = ['Target', 'Module', 'Breakpoint'])
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desc = get_description(target, option=lldb.eDescriptionLevelFull)
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if not desc:
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self.fail("SBTarget.GetDescription() failed")
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self.expect(desc, exe=False,
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substrs = ['a.out', 'Target', 'Module', 'Breakpoint'])
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def launch_new_process_and_redirect_stdout(self):
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"""Exercise SBTaget.Launch() API with redirected stdout."""
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exe = os.path.join(os.getcwd(), "a.out")
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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# Add an extra twist of stopping the inferior in a breakpoint, and then continue till it's done.
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# We should still see the entire stdout redirected once the process is finished.
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line = line_number('main.c', '// a(3) -> c(3)')
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breakpoint = target.BreakpointCreateByLocation('main.c', line)
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# Now launch the process, do not stop at entry point, and redirect stdout to "stdout.txt" file.
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# The inferior should run to completion after "process.Continue()" call, so there's no need
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# to assign to self.process to have the inferior kiiled during test teardown.
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error = lldb.SBError()
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process = target.Launch (self.dbg.GetListener(), None, None, None, "stdout.txt", None, None, 0, False, error)
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process.Continue()
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#self.runCmd("process status")
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# The 'stdout.txt' file should now exist.
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self.assertTrue(os.path.isfile("stdout.txt"),
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"'stdout.txt' exists due to redirected stdout via SBTarget.Launch() API.")
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# Read the output file produced by running the program.
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with open('stdout.txt', 'r') as f:
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output = f.read()
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# Let's delete the 'stdout.txt' file as a cleanup step.
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try:
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os.remove("stdout.txt")
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pass
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except OSError:
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pass
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self.expect(output, exe=False,
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substrs = ["a(1)", "b(2)", "a(3)"])
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def resolve_symbol_context_with_address(self):
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"""Exercise SBTaget.ResolveSymbolContextForAddress() API."""
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exe = os.path.join(os.getcwd(), "a.out")
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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# Now create the two breakpoints inside function 'a'.
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breakpoint1 = target.BreakpointCreateByLocation('main.c', self.line1)
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breakpoint2 = target.BreakpointCreateByLocation('main.c', self.line2)
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#print "breakpoint1:", breakpoint1
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#print "breakpoint2:", breakpoint2
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self.assertTrue(breakpoint1 and
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breakpoint1.GetNumLocations() == 1,
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VALID_BREAKPOINT)
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self.assertTrue(breakpoint2 and
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breakpoint2.GetNumLocations() == 1,
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VALID_BREAKPOINT)
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# Now launch the process, and do not stop at entry point.
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self.process = target.LaunchSimple(None, None, os.getcwd())
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self.process = target.GetProcess()
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self.assertTrue(self.process, PROCESS_IS_VALID)
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# Frame #0 should be on self.line1.
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self.assertTrue(self.process.GetState() == lldb.eStateStopped)
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thread = lldbutil.get_stopped_thread(self.process, lldb.eStopReasonBreakpoint)
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self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition")
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#self.runCmd("process status")
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frame0 = thread.GetFrameAtIndex(0)
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lineEntry = frame0.GetLineEntry()
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self.assertTrue(lineEntry.GetLine() == self.line1)
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address1 = lineEntry.GetStartAddress()
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# Continue the inferior, the breakpoint 2 should be hit.
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self.process.Continue()
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self.assertTrue(self.process.GetState() == lldb.eStateStopped)
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thread = lldbutil.get_stopped_thread(self.process, lldb.eStopReasonBreakpoint)
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self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint condition")
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#self.runCmd("process status")
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frame0 = thread.GetFrameAtIndex(0)
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lineEntry = frame0.GetLineEntry()
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self.assertTrue(lineEntry.GetLine() == self.line2)
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address2 = lineEntry.GetStartAddress()
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#print "address1:", address1
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#print "address2:", address2
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# Now call SBTarget.ResolveSymbolContextForAddress() with the addresses from our line entry.
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context1 = target.ResolveSymbolContextForAddress(address1, lldb.eSymbolContextEverything)
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context2 = target.ResolveSymbolContextForAddress(address2, lldb.eSymbolContextEverything)
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self.assertTrue(context1 and context2)
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#print "context1:", context1
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#print "context2:", context2
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# Verify that the context point to the same function 'a'.
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symbol1 = context1.GetSymbol()
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symbol2 = context2.GetSymbol()
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self.assertTrue(symbol1 and symbol2)
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#print "symbol1:", symbol1
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#print "symbol2:", symbol2
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from lldbutil import get_description
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desc1 = get_description(symbol1)
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desc2 = get_description(symbol2)
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self.assertTrue(desc1 and desc2 and desc1 == desc2,
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"The two addresses should resolve to the same symbol")
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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