diff options
Diffstat (limited to 'gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl')
5 files changed, 274 insertions, 0 deletions
diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/Makefile b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/Makefile new file mode 100644 index 00000000000..a4b03ae0aab --- /dev/null +++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/Makefile @@ -0,0 +1,6 @@ +CXX_SOURCES := main.cpp +CFLAGS := -g -O0 + +clean: OBJECTS+=$(wildcard main.d.*) + +include Makefile.rules diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/TestSTL.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/TestSTL.py new file mode 100644 index 00000000000..341b205389f --- /dev/null +++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/TestSTL.py @@ -0,0 +1,122 @@ +""" +Test some expressions involving STL data types. +""" + + + +import unittest2 +import lldb +from lldbsuite.test.decorators import * +from lldbsuite.test.lldbtest import * +from lldbsuite.test import lldbutil + + +class STLTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + # Find the line number to break inside main(). + self.source = 'main.cpp' + self.line = line_number( + self.source, '// Set break point at this line.') + + @skipIf + @expectedFailureAll(bugnumber="llvm.org/PR36713") + def test(self): + """Test some expressions involving STL data types.""" + self.build() + exe = self.getBuildArtifact("a.out") + + # The following two lines, if uncommented, will enable loggings. + #self.ci.HandleCommand("log enable -f /tmp/lldb.log lldb default", res) + # self.assertTrue(res.Succeeded()) + + self.runCmd("file " + exe, 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) + + # Stop at 'std::string hello_world ("Hello World!");'. + self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, + substrs=['main.cpp:%d' % self.line, + 'stop reason = breakpoint']) + + # The breakpoint should have a hit count of 1. + self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE, + substrs=[' resolved, hit count = 1']) + + # Now try some expressions.... + + self.runCmd( + 'expr for (int i = 0; i < hello_world.length(); ++i) { (void)printf("%c\\n", hello_world[i]); }') + + self.expect('expr associative_array.size()', + substrs=[' = 3']) + self.expect('expr associative_array.count(hello_world)', + substrs=[' = 1']) + self.expect('expr associative_array[hello_world]', + substrs=[' = 1']) + self.expect('expr associative_array["hello"]', + substrs=[' = 2']) + + @expectedFailureAll( + compiler="icc", + bugnumber="ICC (13.1, 14-beta) do not emit DW_TAG_template_type_parameter.") + @add_test_categories(['pyapi']) + def test_SBType_template_aspects(self): + """Test APIs for getting template arguments from an SBType.""" + self.build() + exe = self.getBuildArtifact("a.out") + + # Create a target by the debugger. + target = self.dbg.CreateTarget(exe) + self.assertTrue(target, VALID_TARGET) + + # Create the breakpoint inside function 'main'. + breakpoint = target.BreakpointCreateByLocation(self.source, 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) + + # Get Frame #0. + self.assertTrue(process.GetState() == lldb.eStateStopped) + thread = lldbutil.get_stopped_thread( + process, lldb.eStopReasonBreakpoint) + self.assertTrue( + thread.IsValid(), + "There should be a thread stopped due to breakpoint condition") + frame0 = thread.GetFrameAtIndex(0) + + # Get the type for variable 'associative_array'. + associative_array = frame0.FindVariable('associative_array') + self.DebugSBValue(associative_array) + self.assertTrue(associative_array, VALID_VARIABLE) + map_type = associative_array.GetType() + self.DebugSBType(map_type) + self.assertTrue(map_type, VALID_TYPE) + num_template_args = map_type.GetNumberOfTemplateArguments() + self.assertTrue(num_template_args > 0) + + # We expect the template arguments to contain at least 'string' and + # 'int'. + expected_types = {'string': False, 'int': False} + for i in range(num_template_args): + t = map_type.GetTemplateArgumentType(i) + self.DebugSBType(t) + self.assertTrue(t, VALID_TYPE) + name = t.GetName() + if 'string' in name: + expected_types['string'] = True + elif 'int' == name: + expected_types['int'] = True + + # Check that both entries of the dictionary have 'True' as the value. + self.assertTrue(all(expected_types.values())) diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/TestStdCXXDisassembly.py b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/TestStdCXXDisassembly.py new file mode 100644 index 00000000000..49aa16ce106 --- /dev/null +++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/TestStdCXXDisassembly.py @@ -0,0 +1,114 @@ +""" +Test the lldb disassemble command on lib stdc++. +""" + +from __future__ import print_function + + +import unittest2 +import os +import lldb +from lldbsuite.test.lldbtest import * +import lldbsuite.test.lldbutil as lldbutil +from lldbsuite.test.decorators import * + +class StdCXXDisassembleTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + # Find the line number to break inside main(). + self.line = line_number('main.cpp', '// Set break point at this line.') + + @skipIfWindows + @expectedFailureNetBSD + def test_stdcxx_disasm(self): + """Do 'disassemble' on each and every 'Code' symbol entry from the std c++ lib.""" + self.build() + exe = self.getBuildArtifact("a.out") + self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET) + + # rdar://problem/8543077 + # test/stl: clang built binaries results in the breakpoint locations = 3, + # is this a problem with clang generated debug info? + # + # Break on line 13 of main.cpp. + 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) + + # Now let's get the target as well as the process objects. + target = self.dbg.GetSelectedTarget() + process = target.GetProcess() + + # The process should be in a 'stopped' state. + self.expect(str(process), STOPPED_DUE_TO_BREAKPOINT, exe=False, + substrs=["a.out", + "stopped"]) + + # Disassemble the functions on the call stack. + self.runCmd("thread backtrace") + thread = lldbutil.get_stopped_thread( + process, lldb.eStopReasonBreakpoint) + self.assertIsNotNone(thread) + depth = thread.GetNumFrames() + for i in range(depth - 1): + frame = thread.GetFrameAtIndex(i) + function = frame.GetFunction() + if function.GetName(): + self.runCmd("disassemble -n '%s'" % function.GetName()) + + lib_stdcxx = "FAILHORRIBLYHERE" + # Iterate through the available modules, looking for stdc++ library... + for i in range(target.GetNumModules()): + module = target.GetModuleAtIndex(i) + fs = module.GetFileSpec() + if (fs.GetFilename().startswith("libstdc++") + or fs.GetFilename().startswith("libc++")): + lib_stdcxx = str(fs) + break + + # At this point, lib_stdcxx is the full path to the stdc++ library and + # module is the corresponding SBModule. + + self.expect(lib_stdcxx, "Libraray StdC++ is located", exe=False, + substrs=["lib"]) + + self.runCmd("image dump symtab '%s'" % lib_stdcxx) + raw_output = self.res.GetOutput() + # Now, look for every 'Code' symbol and feed its load address into the + # command: 'disassemble -s load_address -e end_address', where the + # end_address is taken from the next consecutive 'Code' symbol entry's + # load address. + # + # The load address column comes after the file address column, with both + # looks like '0xhhhhhhhh', i.e., 8 hexadecimal digits. + codeRE = re.compile(r""" + \ Code\ {9} # ' Code' followed by 9 SPCs, + 0x[0-9a-f]{16} # the file address column, and + \ # a SPC, and + (0x[0-9a-f]{16}) # the load address column, and + .* # the rest. + """, re.VERBOSE) + # Maintain a start address variable; if we arrive at a consecutive Code + # entry, then the load address of the that entry is fed as the end + # address to the 'disassemble -s SA -e LA' command. + SA = None + for line in raw_output.split(os.linesep): + match = codeRE.search(line) + if match: + LA = match.group(1) + if self.TraceOn(): + print("line:", line) + print("load address:", LA) + print("SA:", SA) + if SA and LA: + if int(LA, 16) > int(SA, 16): + self.runCmd("disassemble -s %s -e %s" % (SA, LA)) + SA = LA + else: + # This entry is not a Code entry. Reset SA = None. + SA = None diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/cmds.txt b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/cmds.txt new file mode 100644 index 00000000000..9c9c2e3db57 --- /dev/null +++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/cmds.txt @@ -0,0 +1,3 @@ +b main.cpp:6 +continue +var diff --git a/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/main.cpp b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/main.cpp new file mode 100644 index 00000000000..89895196b15 --- /dev/null +++ b/gnu/llvm/lldb/packages/Python/lldbsuite/test/lang/cpp/stl/main.cpp @@ -0,0 +1,29 @@ +//===-- main.cpp ------------------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +#include <cstdio> +#include <iostream> +#include <string> +#include <map> +int main (int argc, char const *argv[]) +{ + std::string hello_world ("Hello World!"); + std::cout << hello_world << std::endl; + std::cout << hello_world.length() << std::endl; + std::cout << hello_world[11] << std::endl; + + std::map<std::string, int> associative_array; + std::cout << "size of upon construction associative_array: " << associative_array.size() << std::endl; + associative_array[hello_world] = 1; + associative_array["hello"] = 2; + associative_array["world"] = 3; + + std::cout << "size of associative_array: " << associative_array.size() << std::endl; + printf("associative_array[\"hello\"]=%d\n", associative_array["hello"]); + + printf("before returning....\n"); // Set break point at this line. +} |