xref: /llvm-project/lldb/test/API/functionalities/gdb_remote_client/TestDynamicLoaderDarwin.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53) 
1import lldb
2from lldbsuite.test.lldbtest import *
3from lldbsuite.test.decorators import *
4from lldbsuite.test.gdbclientutils import *
5from lldbsuite.test.lldbgdbclient import *
6
7images = """
8{"images":[
9    {"load_address":4370792448,
10     "mod_date":0,
11     "pathname":"/usr/lib/dyld",
12     "uuid":"75627683-A780-32AD-AE34-CF86DD23A26B",
13     "min_version_os_name":"macosx",
14     "min_version_os_sdk":"12.5",
15     "mach_header":{
16         "magic":4277009103,
17         "cputype":16777228,
18         "cpusubtype":2,
19         "filetype":7,
20         "flags":133},
21    "segments":[
22        {"name":"__TEXT",
23         "vmaddr":0,
24         "vmsize":393216,
25         "fileoff":0,
26         "filesize":393216,
27         "maxprot":5},
28        {"name":"__DATA_CONST",
29         "vmaddr":393216,
30         "vmsize":98304,
31         "fileoff":393216,
32         "filesize":98304,
33         "maxprot":3},
34        {"name":"__DATA",
35         "vmaddr":491520,
36         "vmsize":16384,
37         "fileoff":491520,
38         "filesize":16384,
39         "maxprot":3},
40        {"name":"__LINKEDIT",
41         "vmaddr":507904,
42         "vmsize":229376,
43         "fileoff":507904,
44         "filesize":227520,
45         "maxprot":1}
46    ]
47    },
48    {"load_address":4369842176,
49     "mod_date":0,
50     "pathname":"/tmp/a.out",
51     "uuid":"536A0A09-792A-377C-BEBA-FFB00A787C38",
52     "min_version_os_name":"macosx",
53     "min_version_os_sdk":"12.0",
54     "mach_header":{
55         "magic":4277009103,
56         "cputype":16777228,
57         "cpusubtype":%s,
58         "filetype":2,
59         "flags":2097285
60     },
61     "segments":[
62         {"name":"__PAGEZERO",
63          "vmaddr":0,
64          "vmsize":4294967296,
65          "fileoff":0,
66          "filesize":0,
67          "maxprot":0},
68         {"name":"__TEXT",
69          "vmaddr":4294967296,
70          "vmsize":16384,
71          "fileoff":0,
72          "filesize":16384,
73          "maxprot":5},
74         {"name":"__DATA_CONST",
75          "vmaddr":4294983680,
76          "vmsize":16384,
77          "fileoff":16384,
78          "filesize":16384,
79          "maxprot":3},
80         {"name":"__LINKEDIT",
81          "vmaddr":4295000064,
82          "vmsize":32768,
83          "fileoff":32768,
84          "filesize":19488,
85          "maxprot":1}]
86    }
87]
88}
89"""
90
91arm64_binary = "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"
92
93
94class TestDynamicLoaderDarwin(GDBRemoteTestBase):
95    NO_DEBUG_INFO_TESTCASE = True
96
97    class MyResponder(MockGDBServerResponder):
98        def __init__(self, cpusubtype):
99            self.cpusubtype = cpusubtype
100            MockGDBServerResponder.__init__(self)
101
102        def respond(self, packet):
103            if packet == "qProcessInfo":
104                return self.qProcessInfo()
105            return MockGDBServerResponder.respond(self, packet)
106
107        def qHostInfo(self):
108            return "cputype:16777223;cpusubtype:2;ostype:macosx;vendor:apple;os_version:10.15.4;maccatalyst_version:13.4;endian:little;ptrsize:8;"
109
110        def qProcessInfo(self):
111            return "pid:a860;parent-pid:d2a0;real-uid:1f5;real-gid:14;effective-uid:1f5;effective-gid:14;cputype:100000c;cpusubtype:2;ptrsize:8;ostype:macosx;vendor:apple;endian:little;"
112
113        def jGetLoadedDynamicLibrariesInfos(self, packet):
114            if "fetch_all_solibs" in packet:
115                return escape_binary(images % self.cpusubtype)
116            return "OK"
117
118        def vCont(self):
119            return "vCont;"
120
121        def readMemory(self, addr, length):
122            vm_addr = 4369842176
123            file_offset = addr - vm_addr
124            if file_offset < 0:
125                return None
126            # arm64_binary is just a hex-encoded (hence the 2*) Mach-O
127            # header, pad out the rest with NUL characters, it doesn't
128            # matter for this test.
129            memory = arm64_binary + "00" * (length - len(arm64_binary) << 1)
130            return memory[2 * file_offset :]
131
132        def setBreakpoint(self, packet):
133            return ""
134
135    @skipIfRemote
136    def test(self):
137        """Test that when attaching to an arm64 binary on an arm64e
138        host, the target's arch is set to arm64, even though
139        debugserver reports the process as being arm64e.
140        """
141        subtype_arm64e = 2
142        self.server.responder = self.MyResponder(subtype_arm64e)
143        if self.TraceOn():
144            self.runCmd("log enable gdb-remote packets")
145            self.addTearDownHook(lambda: self.runCmd("log disable gdb-remote packets"))
146
147        target = self.dbg.CreateTargetWithFileAndArch(None, None)
148        process = self.connect(target)
149
150        self.assertEqual(target.GetTriple(), "arm64-apple-macosx-")
151