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# lldb test suite imports
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import TestBase
# gdb-remote-specific imports
import lldbgdbserverutils
from gdbremote_testcase import GdbRemoteTestCaseBase
class TestGdbRemoteHostInfo(GdbRemoteTestCaseBase):
KNOWN_HOST_INFO_KEYS = set(
[
"addressing_bits",
"arch",
"cpusubtype",
"cputype",
"default_packet_timeout",
"distribution_id",
"endian",
"hostname",
"maccatalyst_version",
"os_build",
"os_kernel",
"os_version",
"ostype",
"ptrsize",
"triple",
"vendor",
"vm-page-size",
"watchpoint_exceptions_received",
]
)
DARWIN_REQUIRED_HOST_INFO_KEYS = set(
[
"cputype",
"cpusubtype",
"endian",
"ostype",
"ptrsize",
"vendor",
"watchpoint_exceptions_received",
]
)
def add_host_info_collection_packets(self):
self.test_sequence.add_log_lines(
[
"read packet: $qHostInfo#9b",
{
"direction": "send",
"regex": r"^\$(.+)#[0-9a-fA-F]{2}$",
"capture": {1: "host_info_raw"},
},
],
True,
)
def parse_host_info_response(self, context):
# Ensure we have a host info response.
self.assertIsNotNone(context)
host_info_raw = context.get("host_info_raw")
self.assertIsNotNone(host_info_raw)
# Pull out key:value; pairs.
host_info_dict = {
match.group(1): match.group(2)
for match in re.finditer(r"([^:]+):([^;]+);", host_info_raw)
}
import pprint
print("\nqHostInfo response:")
pprint.pprint(host_info_dict)
# Validate keys are known.
for key, val in list(host_info_dict.items()):
self.assertIn(
key, self.KNOWN_HOST_INFO_KEYS, "unknown qHostInfo key: " + key
)
self.assertIsNotNone(val)
# Return the key:val pairs.
return host_info_dict
def get_qHostInfo_response(self):
# Launch the debug monitor stub, attaching to the inferior.
server = self.connect_to_debug_monitor()
self.assertIsNotNone(server)
self.do_handshake()
# Request qHostInfo and get response
self.add_host_info_collection_packets()
context = self.expect_gdbremote_sequence()
self.assertIsNotNone(context)
# Parse qHostInfo response.
host_info = self.parse_host_info_response(context)
self.assertIsNotNone(host_info)
self.assertGreater(
len(host_info),
0,
"qHostInfo should have returned " "at least one key:val pair.",
)
return host_info
def validate_darwin_minimum_host_info_keys(self, host_info_dict):
self.assertIsNotNone(host_info_dict)
missing_keys = [
key
for key in self.DARWIN_REQUIRED_HOST_INFO_KEYS
if key not in host_info_dict
]
self.assertEqual(
0,
len(missing_keys),
"qHostInfo is missing the following required " "keys: " + str(missing_keys),
)
def test_qHostInfo_returns_at_least_one_key_val_pair(self):
self.build()
self.get_qHostInfo_response()
@skipUnlessDarwin
def test_qHostInfo_contains_darwin_required_keys(self):
self.build()
host_info_dict = self.get_qHostInfo_response()
self.validate_darwin_minimum_host_info_keys(host_info_dict)
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