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"""Test the go DWARF type parsing.""" |
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import os, time |
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import unittest2 |
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import lldb |
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import lldbutil |
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from lldbtest import * |
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class TestGoASTContext(TestBase): |
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mydir = TestBase.compute_mydir(__file__) |
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@python_api_test |
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@skipUnlessGoInstalled |
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def test_with_dsym_and_python_api(self): |
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"""Test GoASTContext dwarf parsing.""" |
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self.buildGo() |
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self.launchProcess() |
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self.go_builtin_types() |
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self.check_main_vars() |
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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 numbers to break inside main(). |
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self.main_source = "main.go" |
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self.break_line = line_number(self.main_source, '// Set breakpoint here.') |
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def check_builtin(self, name, size=0, typeclass=lldb.eTypeClassBuiltin): |
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tl = self.target().FindTypes(name) |
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self.assertEqual(1, len(tl)) |
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t = list(tl)[0] |
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self.assertEqual(name, t.name) |
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self.assertEqual(typeclass, t.type) |
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if size > 0: |
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self.assertEqual(size, t.size) |
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def launchProcess(self): |
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exe = os.path.join(os.getcwd(), "a.out") |
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target = self.dbg.CreateTarget(exe) |
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self.assertTrue(target, VALID_TARGET) |
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bpt = target.BreakpointCreateByLocation(self.main_source, self.break_line) |
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self.assertTrue(bpt, VALID_BREAKPOINT) |
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# Now launch the process, and do not stop at entry point. |
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process = target.LaunchSimple (None, None, self.get_process_working_directory()) |
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self.assertTrue(process, PROCESS_IS_VALID) |
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# The stop reason of the thread should be breakpoint. |
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thread_list = lldbutil.get_threads_stopped_at_breakpoint (process, bpt) |
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# Make sure we stopped at the first breakpoint. |
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self.assertTrue (len(thread_list) != 0, "No thread stopped at our breakpoint.") |
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self.assertTrue (len(thread_list) == 1, "More than one thread stopped at our breakpoint.") |
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frame = thread_list[0].GetFrameAtIndex(0) |
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self.assertTrue (frame, "Got a valid frame 0 frame.") |
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def go_builtin_types(self): |
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address_size = self.target().GetAddressByteSize() |
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self.check_builtin('bool') |
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self.check_builtin('uint8', 1) |
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self.check_builtin('int8', 1) |
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self.check_builtin('uint16', 2) |
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self.check_builtin('int16', 2) |
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self.check_builtin('uint32', 4) |
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self.check_builtin('int32', 4) |
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self.check_builtin('uint64', 8) |
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self.check_builtin('int64', 8) |
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self.check_builtin('uintptr', address_size) |
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self.check_builtin('int', address_size) |
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self.check_builtin('uint', address_size) |
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self.check_builtin('float32', 4) |
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self.check_builtin('float64', 8) |
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self.check_builtin('complex64', 8, lldb.eTypeClassComplexFloat) |
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self.check_builtin('complex128', 16, lldb.eTypeClassComplexFloat) |
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def var(self, name): |
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var = self.frame().FindVariable(name) |
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self.assertTrue(var.IsValid(), "%s %s" % (VALID_VARIABLE, name)) |
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return var |
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def check_main_vars(self): |
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v = self.var('theBool') |
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self.assertEqual('true', v.value) |
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v = self.var('theInt') |
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self.assertEqual('-7', v.value) |
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v = self.var('theComplex') |
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self.assertEqual('1 + 2i', v.value) |
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v = self.var('thePointer') |
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self.assertTrue(v.TypeIsPointerType()) |
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self.assertEqual('-10', v.Dereference().value) |
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self.assertEqual(1, v.GetNumChildren()) |
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self.assertEqual('-10', v.GetChildAtIndex(0).value) |
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# print |
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# print os.getpid() |
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# time.sleep(60) |
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v = self.var('theStruct') |
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if v.TypeIsPointerType(): |
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v = v.Dereference() |
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self.assertEqual(2, v.GetNumChildren()) |
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self.assertEqual('7', v.GetChildAtIndex(0).value) |
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self.assertEqual('7', v.GetChildMemberWithName('myInt').value) |
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self.assertEqual(v.load_addr, v.GetChildAtIndex(1).GetValueAsUnsigned()) |
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self.assertEqual(v.load_addr, v.GetChildMemberWithName('myPointer').GetValueAsUnsigned()) |
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# Test accessing struct fields through pointers. |
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v = v.GetChildMemberWithName('myPointer') |
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self.assertTrue(v.TypeIsPointerType()) |
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self.assertEqual(2, v.GetNumChildren()) |
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self.assertEqual('7', v.GetChildAtIndex(0).value) |
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c = v.GetChildMemberWithName('myPointer') |
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self.assertTrue(c.TypeIsPointerType()) |
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self.assertEqual(2, c.GetNumChildren()) |
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self.assertEqual('7', c.GetChildAtIndex(0).value) |
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v = self.var('theArray') |
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self.assertEqual(5, v.GetNumChildren()) |
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for i in xrange(5): |
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self.assertEqual(str(i + 1), v.GetChildAtIndex(i).value) |
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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() |