130 lines · python
1import xml.etree.ElementTree as ET2import gdbremote_testcase3from lldbsuite.test.decorators import *4from lldbsuite.test.lldbtest import *5 6 7# Windows does not allow quotes in file names.8@skipIf(hostoslist=["windows"])9@skipIfRemote10class TestGdbRemoteLibrariesSvr4Support(gdbremote_testcase.GdbRemoteTestCaseBase):11 FEATURE_NAME = "qXfer:libraries-svr4:read"12 13 def setup_test(self):14 self.build()15 self.set_inferior_startup_launch()16 env = {}17 env[self.dylibPath] = self.getBuildDir()18 self.prep_debug_monitor_and_inferior(inferior_env=env)19 self.continue_process_and_wait_for_stop()20 21 def get_expected_libs(self):22 return ["libsvr4lib_a.so", 'libsvr4lib_b".so']23 24 def has_libraries_svr4_support(self):25 self.add_qSupported_packets()26 context = self.expect_gdbremote_sequence()27 self.assertIsNotNone(context)28 features = self.parse_qSupported_response(context)29 return self.FEATURE_NAME in features and features[self.FEATURE_NAME] == "+"30 31 def get_libraries_svr4_data(self):32 # Start up llgs and inferior, and check for libraries-svr4 support.33 if not self.has_libraries_svr4_support():34 self.skipTest("libraries-svr4 not supported")35 36 # Grab the libraries-svr4 data.37 self.reset_test_sequence()38 self.test_sequence.add_log_lines(39 [40 "read packet: $qXfer:libraries-svr4:read::0,ffff:#00",41 {42 "direction": "send",43 "regex": re.compile(44 r"^\$([^E])(.*)#[0-9a-fA-F]{2}$", re.MULTILINE | re.DOTALL45 ),46 "capture": {1: "response_type", 2: "content_raw"},47 },48 ],49 True,50 )51 52 context = self.expect_gdbremote_sequence()53 self.assertIsNotNone(context)54 55 # Ensure we end up with all libraries-svr4 data in one packet.56 self.assertEqual(context.get("response_type"), "l")57 58 # Decode binary data.59 content_raw = context.get("content_raw")60 self.assertIsNotNone(content_raw)61 return content_raw62 63 def get_libraries_svr4_xml(self):64 libraries_svr4 = self.get_libraries_svr4_data()65 xml_root = None66 try:67 xml_root = ET.fromstring(libraries_svr4)68 except xml.etree.ElementTree.ParseError:69 pass70 self.assertIsNotNone(xml_root, "Malformed libraries-svr4 XML")71 return xml_root72 73 def libraries_svr4_well_formed(self):74 xml_root = self.get_libraries_svr4_xml()75 self.assertEqual(xml_root.tag, "library-list-svr4")76 for child in xml_root:77 self.assertEqual(child.tag, "library")78 self.assertCountEqual(child.attrib.keys(), ["name", "lm", "l_addr", "l_ld"])79 80 def libraries_svr4_has_correct_load_addr(self):81 xml_root = self.get_libraries_svr4_xml()82 for child in xml_root:83 name = child.attrib.get("name")84 base_name = os.path.basename(name)85 if os.path.basename(name) not in self.get_expected_libs():86 continue87 load_addr = int(child.attrib.get("l_addr"), 16)88 self.reset_test_sequence()89 self.add_query_memory_region_packets(load_addr)90 context = self.expect_gdbremote_sequence()91 mem_region = self.parse_memory_region_packet(context)92 self.assertEqual(load_addr, int(mem_region.get("start", 0), 16))93 self.assertEqual(94 os.path.realpath(name), os.path.realpath(mem_region.get("name", ""))95 )96 97 def libraries_svr4_libs_present(self):98 xml_root = self.get_libraries_svr4_xml()99 libraries_svr4_names = []100 for child in xml_root:101 name = child.attrib.get("name")102 libraries_svr4_names.append(os.path.realpath(name))103 for lib in self.get_expected_libs():104 self.assertIn(105 os.path.realpath(self.getBuildDir() + "/" + lib), libraries_svr4_names106 )107 108 @skipUnlessPlatform(["linux", "android", "freebsd", "netbsd"])109 def test_supports_libraries_svr4(self):110 self.setup_test()111 self.assertTrue(self.has_libraries_svr4_support())112 113 @skipUnlessPlatform(["linux", "android", "freebsd", "netbsd"])114 @expectedFailureNetBSD115 def test_libraries_svr4_well_formed(self):116 self.setup_test()117 self.libraries_svr4_well_formed()118 119 @skipUnlessPlatform(["linux", "android", "freebsd", "netbsd"])120 @expectedFailureNetBSD121 def test_libraries_svr4_load_addr(self):122 self.setup_test()123 self.libraries_svr4_has_correct_load_addr()124 125 @skipUnlessPlatform(["linux", "android", "freebsd", "netbsd"])126 @expectedFailureNetBSD127 def test_libraries_svr4_libs_present(self):128 self.setup_test()129 self.libraries_svr4_libs_present()130