| """ |
| Test getting return-values correctly when stepping out |
| """ |
| |
| from __future__ import print_function |
| |
| |
| import os |
| import time |
| import re |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ReturnValueTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def affected_by_pr33042(self): |
| return ("clang" in self.getCompiler() and self.getArchitecture() == |
| "aarch64" and self.getPlatform() == "linux") |
| |
| # ABIMacOSX_arm can't fetch simple values inside a structure |
| def affected_by_radar_34562999(self): |
| return (self.getArchitecture() == 'armv7' or self.getArchitecture() == 'armv7k') and self.platformIsDarwin() |
| |
| @expectedFailureAll(oslist=["freebsd"], archs=["i386"]) |
| @expectedFailureAll(oslist=["macosx"], archs=["i386"], bugnumber="<rdar://problem/28719652>") |
| @expectedFailureAll( |
| oslist=["linux"], |
| compiler="clang", |
| compiler_version=[ |
| "<=", |
| "3.6"], |
| archs=["i386"]) |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778") |
| @add_test_categories(['pyapi']) |
| def test_with_python(self): |
| """Test getting return values from stepping out.""" |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| (self.target, self.process, thread, inner_sint_bkpt) = lldbutil.run_to_name_breakpoint(self, "inner_sint", exe_name = exe) |
| |
| error = lldb.SBError() |
| |
| # inner_sint returns the variable value, so capture that here: |
| in_int = thread.GetFrameAtIndex(0).FindVariable( |
| "value").GetValueAsSigned(error) |
| self.assertTrue(error.Success()) |
| |
| thread.StepOut() |
| |
| self.assertTrue(self.process.GetState() == lldb.eStateStopped) |
| self.assertTrue(thread.GetStopReason() == lldb.eStopReasonPlanComplete) |
| |
| frame = thread.GetFrameAtIndex(0) |
| fun_name = frame.GetFunctionName() |
| self.assertTrue(fun_name == "outer_sint") |
| |
| return_value = thread.GetStopReturnValue() |
| self.assertTrue(return_value.IsValid()) |
| |
| ret_int = return_value.GetValueAsSigned(error) |
| self.assertTrue(error.Success()) |
| self.assertTrue(in_int == ret_int) |
| |
| # Run again and we will stop in inner_sint the second time outer_sint is called. |
| # Then test stepping out two frames at once: |
| |
| thread_list = lldbutil.continue_to_breakpoint(self.process, inner_sint_bkpt) |
| self.assertTrue(len(thread_list) == 1) |
| thread = thread_list[0] |
| |
| # We are done with the inner_sint breakpoint: |
| self.target.BreakpointDelete(inner_sint_bkpt.GetID()) |
| |
| frame = thread.GetFrameAtIndex(1) |
| fun_name = frame.GetFunctionName() |
| self.assertTrue(fun_name == "outer_sint") |
| in_int = frame.FindVariable("value").GetValueAsSigned(error) |
| self.assertTrue(error.Success()) |
| |
| thread.StepOutOfFrame(frame) |
| |
| self.assertTrue(self.process.GetState() == lldb.eStateStopped) |
| self.assertTrue(thread.GetStopReason() == lldb.eStopReasonPlanComplete) |
| frame = thread.GetFrameAtIndex(0) |
| fun_name = frame.GetFunctionName() |
| self.assertTrue(fun_name == "main") |
| |
| ret_value = thread.GetStopReturnValue() |
| self.assertTrue(return_value.IsValid()) |
| ret_int = ret_value.GetValueAsSigned(error) |
| self.assertTrue(error.Success()) |
| self.assertTrue(2 * in_int == ret_int) |
| |
| # Now try some simple returns that have different types: |
| inner_float_bkpt = self.target.BreakpointCreateByName( |
| "inner_float", exe) |
| self.assertTrue(inner_float_bkpt, VALID_BREAKPOINT) |
| self.process.Continue() |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint( |
| self.process, inner_float_bkpt) |
| self.assertTrue(len(thread_list) == 1) |
| thread = thread_list[0] |
| |
| self.target.BreakpointDelete(inner_float_bkpt.GetID()) |
| |
| frame = thread.GetFrameAtIndex(0) |
| in_value = frame.FindVariable("value") |
| in_float = float(in_value.GetValue()) |
| thread.StepOut() |
| |
| self.assertTrue(self.process.GetState() == lldb.eStateStopped) |
| self.assertTrue(thread.GetStopReason() == lldb.eStopReasonPlanComplete) |
| |
| frame = thread.GetFrameAtIndex(0) |
| fun_name = frame.GetFunctionName() |
| self.assertTrue(fun_name == "outer_float") |
| |
| #return_value = thread.GetStopReturnValue() |
| #self.assertTrue(return_value.IsValid()) |
| #return_float = float(return_value.GetValue()) |
| |
| #self.assertTrue(in_float == return_float) |
| |
| if not self.affected_by_radar_34562999(): |
| self.return_and_test_struct_value("return_one_int") |
| self.return_and_test_struct_value("return_two_int") |
| self.return_and_test_struct_value("return_three_int") |
| self.return_and_test_struct_value("return_four_int") |
| if not self.affected_by_pr33042(): |
| self.return_and_test_struct_value("return_five_int") |
| |
| self.return_and_test_struct_value("return_two_double") |
| self.return_and_test_struct_value("return_one_double_two_float") |
| self.return_and_test_struct_value("return_one_int_one_float_one_int") |
| |
| self.return_and_test_struct_value("return_one_pointer") |
| self.return_and_test_struct_value("return_two_pointer") |
| self.return_and_test_struct_value("return_one_float_one_pointer") |
| self.return_and_test_struct_value("return_one_int_one_pointer") |
| self.return_and_test_struct_value("return_three_short_one_float") |
| |
| self.return_and_test_struct_value("return_one_int_one_double") |
| self.return_and_test_struct_value("return_one_int_one_double_one_int") |
| self.return_and_test_struct_value( |
| "return_one_short_one_double_one_short") |
| self.return_and_test_struct_value("return_one_float_one_int_one_float") |
| self.return_and_test_struct_value("return_two_float") |
| # I am leaving out the packed test until we have a way to tell CLANG |
| # about alignment when reading DWARF for packed types. |
| #self.return_and_test_struct_value ("return_one_int_one_double_packed") |
| self.return_and_test_struct_value("return_one_int_one_long") |
| |
| @expectedFailureAll(oslist=["freebsd"], archs=["i386"]) |
| @expectedFailureAll(oslist=["macosx"], archs=["i386"], bugnumber="<rdar://problem/28719652>") |
| @expectedFailureAll( |
| oslist=["linux"], |
| compiler="clang", |
| compiler_version=[ |
| "<=", |
| "3.6"], |
| archs=["i386"]) |
| @expectedFailureAll(compiler=["gcc"], archs=["x86_64", "i386"]) |
| @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778") |
| @skipIfDarwinEmbedded # <rdar://problem/33976032> ABIMacOSX_arm64 doesn't get structs this big correctly |
| def test_vector_values(self): |
| self.build() |
| exe = self.getBuildArtifact("a.out") |
| error = lldb.SBError() |
| |
| self.target = self.dbg.CreateTarget(exe) |
| self.assertTrue(self.target, VALID_TARGET) |
| |
| main_bktp = self.target.BreakpointCreateByName("main", exe) |
| self.assertTrue(main_bktp, VALID_BREAKPOINT) |
| |
| self.process = self.target.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| self.assertEqual(len(lldbutil.get_threads_stopped_at_breakpoint( |
| self.process, main_bktp)), 1) |
| |
| self.return_and_test_struct_value("return_vector_size_float32_8") |
| self.return_and_test_struct_value("return_vector_size_float32_16") |
| self.return_and_test_struct_value("return_vector_size_float32_32") |
| self.return_and_test_struct_value("return_ext_vector_size_float32_2") |
| self.return_and_test_struct_value("return_ext_vector_size_float32_4") |
| self.return_and_test_struct_value("return_ext_vector_size_float32_8") |
| |
| def return_and_test_struct_value(self, func_name): |
| """Pass in the name of the function to return from - takes in value, returns value.""" |
| |
| # Set the breakpoint, run to it, finish out. |
| bkpt = self.target.BreakpointCreateByName(func_name) |
| self.assertTrue(bkpt.GetNumResolvedLocations() > 0) |
| |
| self.process.Continue() |
| |
| thread_list = lldbutil.get_threads_stopped_at_breakpoint( |
| self.process, bkpt) |
| |
| self.assertTrue(len(thread_list) == 1) |
| thread = thread_list[0] |
| |
| self.target.BreakpointDelete(bkpt.GetID()) |
| |
| in_value = thread.GetFrameAtIndex(0).FindVariable("value") |
| |
| self.assertTrue(in_value.IsValid()) |
| num_in_children = in_value.GetNumChildren() |
| |
| # This is a little hokey, but if we don't get all the children now, then |
| # once we've stepped we won't be able to get them? |
| |
| for idx in range(0, num_in_children): |
| in_child = in_value.GetChildAtIndex(idx) |
| in_child_str = in_child.GetValue() |
| |
| thread.StepOut() |
| |
| self.assertTrue(self.process.GetState() == lldb.eStateStopped) |
| self.assertTrue(thread.GetStopReason() == lldb.eStopReasonPlanComplete) |
| |
| # Assuming all these functions step out to main. Could figure out the caller dynamically |
| # if that would add something to the test. |
| frame = thread.GetFrameAtIndex(0) |
| fun_name = frame.GetFunctionName() |
| self.assertTrue(fun_name == "main") |
| |
| frame = thread.GetFrameAtIndex(0) |
| ret_value = thread.GetStopReturnValue() |
| |
| self.assertTrue(ret_value.IsValid()) |
| |
| num_ret_children = ret_value.GetNumChildren() |
| self.assertTrue(num_in_children == num_ret_children) |
| for idx in range(0, num_ret_children): |
| in_child = in_value.GetChildAtIndex(idx) |
| ret_child = ret_value.GetChildAtIndex(idx) |
| in_child_str = in_child.GetValue() |
| ret_child_str = ret_child.GetValue() |
| |
| self.assertEqual(in_child_str, ret_child_str) |
