lldb/test/API/tools/lldb-server/registers-target-xml-reading/TestGdbRemoteTargetXmlPacket.py

   1 import gdbremote_testcase
   2 import textwrap
   3 from lldbsuite.test.decorators import *
   4 from lldbsuite.test.lldbtest import *
   5 from lldbsuite.test import lldbutil
   6 import re
   7 import xml.etree.ElementTree as ET
   8
   9
  10 class TestGdbRemoteTargetXmlPacket(gdbremote_testcase.GdbRemoteTestCaseBase):
  11     @llgs_test
  12     def test_g_target_xml_returns_correct_data(self):
  13         self.build()
  14         self.set_inferior_startup_launch()
  15
  16         procs = self.prep_debug_monitor_and_inferior()
  17
  18         OFFSET = 0
  19         LENGTH = 0x1FFFF0
  20         self.test_sequence.add_log_lines(
  21             [
  22                 "read packet: $qXfer:features:read:target.xml:{:x},{:x}#00".format(
  23                     OFFSET, LENGTH
  24                 ),
  25                 {
  26                     "direction": "send",
  27                     "regex": re.compile("^\$l(.+)#[0-9a-fA-F]{2}$", flags=re.DOTALL),
  28                     "capture": {1: "target_xml"},
  29                 },
  30             ],
  31             True,
  32         )
  33         context = self.expect_gdbremote_sequence()
  34
  35         target_xml = context.get("target_xml")
  36
  37         root = ET.fromstring(target_xml)
  38         self.assertIsNotNone(root)
  39         self.assertEqual(root.tag, "target")
  40
  41         architecture = root.find("architecture")
  42         self.assertIsNotNone(architecture)
  43         self.assertIn(self.getArchitecture(), architecture.text)
  44
  45         feature = root.find("feature")
  46         self.assertIsNotNone(feature)
  47
  48         target_xml_registers = feature.findall("reg")
  49         self.assertGreater(len(target_xml_registers), 0)
  50
  51         # registers info collected by qRegisterInfo
  52         self.add_register_info_collection_packets()
  53         context = self.expect_gdbremote_sequence()
  54         self.assertIsNotNone(context)
  55         q_info_registers = self.parse_register_info_packets(context)
  56
  57         self.assertEqual(len(target_xml_registers), len(q_info_registers))
  58         for register in zip(target_xml_registers, q_info_registers):
  59             xml_info_reg = register[0]
  60             q_info_reg = register[1]
  61             self.assertEqual(q_info_reg["name"], xml_info_reg.get("name"))
  62             self.assertEqual(q_info_reg["set"], xml_info_reg.get("group"))
  63             self.assertEqual(q_info_reg["format"], xml_info_reg.get("format"))
  64             self.assertEqual(q_info_reg["bitsize"], xml_info_reg.get("bitsize"))
  65
  66             if not self.isAArch64():
  67                 self.assertEqual(q_info_reg["offset"], xml_info_reg.get("offset"))
  68
  69             self.assertEqual(q_info_reg["encoding"], xml_info_reg.get("encoding"))