diff options
Diffstat (limited to 'packages/Python/lldbsuite/test/lang/cpp/class_static')
3 files changed, 178 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/lang/cpp/class_static/Makefile b/packages/Python/lldbsuite/test/lang/cpp/class_static/Makefile new file mode 100644 index 0000000..314f1cb --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/cpp/class_static/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../../make + +CXX_SOURCES := main.cpp + +include $(LEVEL)/Makefile.rules diff --git a/packages/Python/lldbsuite/test/lang/cpp/class_static/TestStaticVariables.py b/packages/Python/lldbsuite/test/lang/cpp/class_static/TestStaticVariables.py new file mode 100644 index 0000000..d47d1b7 --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/cpp/class_static/TestStaticVariables.py @@ -0,0 +1,120 @@ +""" +Test display and Python APIs on file and class static variables. +""" + +from __future__ import print_function + + + +import os, time +import lldb +from lldbsuite.test.lldbtest import * +import lldbsuite.test.lldbutil as lldbutil + +class StaticVariableTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + # Find the line number to break at. + self.line = line_number('main.cpp', '// Set break point at this line.') + + @expectedFailureWindows("llvm.org/pr24764") + def test_with_run_command(self): + """Test that file and class static variables display correctly.""" + self.build() + self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) + + lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True) + + self.runCmd("run", RUN_SUCCEEDED) + + # The stop reason of the thread should be breakpoint. + self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, + substrs = ['stopped', + 'stop reason = breakpoint']) + + # global variables are no longer displayed with the "frame variable" command. + self.expect('target variable A::g_points', VARIABLES_DISPLAYED_CORRECTLY, + patterns=['\(PointType \[[1-9]*\]\) A::g_points = {.*}']) + self.expect('target variable g_points', VARIABLES_DISPLAYED_CORRECTLY, + substrs = ['(PointType [2]) g_points']) + + # On Mac OS X, gcc 4.2 emits the wrong debug info for A::g_points. + # A::g_points is an array of two elements. + if self.platformIsDarwin() or self.getPlatform() == "linux": + self.expect("target variable A::g_points[1].x", VARIABLES_DISPLAYED_CORRECTLY, + startstr = "(int) A::g_points[1].x = 11") + + @expectedFailureDarwin(9980907) + @expectedFailureClang('Clang emits incomplete debug info.') + @expectedFailureFreeBSD('llvm.org/pr20550 failing on FreeBSD-11') + @expectedFailureGcc('GCC emits incomplete debug info.') + @add_test_categories(['pyapi']) + def test_with_python_api(self): + """Test Python APIs on file and class static variables.""" + self.build() + exe = os.path.join(os.getcwd(), "a.out") + + target = self.dbg.CreateTarget(exe) + self.assertTrue(target, VALID_TARGET) + + breakpoint = target.BreakpointCreateByLocation("main.cpp", self.line) + self.assertTrue(breakpoint, VALID_BREAKPOINT) + + # Now launch the process, and do not stop at entry point. + process = target.LaunchSimple (None, None, self.get_process_working_directory()) + self.assertTrue(process, PROCESS_IS_VALID) + + # The stop reason of the thread should be breakpoint. + thread = process.GetThreadAtIndex(0) + if thread.GetStopReason() != lldb.eStopReasonBreakpoint: + from lldbsuite.test.lldbutil import stop_reason_to_str + self.fail(STOPPED_DUE_TO_BREAKPOINT_WITH_STOP_REASON_AS % + stop_reason_to_str(thread.GetStopReason())) + + # Get the SBValue of 'A::g_points' and 'g_points'. + frame = thread.GetFrameAtIndex(0) + + # arguments => False + # locals => False + # statics => True + # in_scope_only => False + valList = frame.GetVariables(False, False, True, False) + + for val in valList: + self.DebugSBValue(val) + name = val.GetName() + self.assertTrue(name in ['g_points', 'A::g_points']) + if name == 'g_points': + self.assertTrue(val.GetValueType() == lldb.eValueTypeVariableStatic) + self.assertTrue(val.GetNumChildren() == 2) + elif name == 'A::g_points': + self.assertTrue(val.GetValueType() == lldb.eValueTypeVariableGlobal) + self.assertTrue(val.GetNumChildren() == 2) + child1 = val.GetChildAtIndex(1) + self.DebugSBValue(child1) + child1_x = child1.GetChildAtIndex(0) + self.DebugSBValue(child1_x) + self.assertTrue(child1_x.GetTypeName() == 'int' and + child1_x.GetValue() == '11') + + # SBFrame.FindValue() should also work. + val = frame.FindValue("A::g_points", lldb.eValueTypeVariableGlobal) + self.DebugSBValue(val) + self.assertTrue(val.GetName() == 'A::g_points') + + # Also exercise the "parameter" and "local" scopes while we are at it. + val = frame.FindValue("argc", lldb.eValueTypeVariableArgument) + self.DebugSBValue(val) + self.assertTrue(val.GetName() == 'argc') + + val = frame.FindValue("argv", lldb.eValueTypeVariableArgument) + self.DebugSBValue(val) + self.assertTrue(val.GetName() == 'argv') + + val = frame.FindValue("hello_world", lldb.eValueTypeVariableLocal) + self.DebugSBValue(val) + self.assertTrue(val.GetName() == 'hello_world') diff --git a/packages/Python/lldbsuite/test/lang/cpp/class_static/main.cpp b/packages/Python/lldbsuite/test/lang/cpp/class_static/main.cpp new file mode 100644 index 0000000..2068ead --- /dev/null +++ b/packages/Python/lldbsuite/test/lang/cpp/class_static/main.cpp @@ -0,0 +1,53 @@ +//===-- main.cpp ------------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// I made this example after noting that I was unable to display an unsized +// static class array. It turns out that gcc 4.2 will emit DWARF that correctly +// describes the PointType, but it will incorrectly emit debug info for the +// "g_points" array where the following things are wrong: +// - the DW_TAG_array_type won't have a subrange info +// - the DW_TAG_variable for "g_points" won't have a valid byte size, so even +// though we know the size of PointType, we can't infer the actual size +// of the array by dividing the size of the variable by the number of +// elements. + +#include <stdio.h> + +typedef struct PointType +{ + int x, y; +} PointType; + +class A +{ +public: + static PointType g_points[]; +}; + +PointType A::g_points[] = +{ + { 1, 2 }, + { 11, 22 } +}; + +static PointType g_points[] = +{ + { 3, 4 }, + { 33, 44 } +}; + +int +main (int argc, char const *argv[]) +{ + const char *hello_world = "Hello, world!"; + printf ("A::g_points[1].x = %i\n", A::g_points[1].x); // Set break point at this line. + printf ("::g_points[1].x = %i\n", g_points[1].x); + printf ("%s\n", hello_world); + return 0; +} |
