Restore tests for lldb-server and lldb-vscode removed at rL366590

Summary: This was removed here rL366590 by accident.

Reviewers: xiaobai, jfb

Reviewed By: xiaobai

Subscribers: dexonsmith, srhines, krytarowski, jfb, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D65123

llvm-svn: 366766

1 files changed, 153 insertions, 0 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-server/register-reading/TestGdbRemoteGPacket.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/register-reading/TestGdbRemoteGPacket.py
new file mode 100644
index 00000000000..e13daeb6d9a
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-server/register-reading/TestGdbRemoteGPacket.py
@@ -0,0 +1,153 @@
+from __future__ import print_function
+
+
+import gdbremote_testcase
+import textwrap
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+def _extract_register_value(reg_info, reg_bank, byte_order, bytes_per_entry=8):
+    reg_offset = int(reg_info["offset"])*2
+    reg_byte_size = int(2 * int(reg_info["bitsize"]) / 8)
+    # Create slice with the contents of the register.
+    reg_slice = reg_bank[reg_offset:reg_offset+reg_byte_size]
+
+    reg_value = []
+    # Wrap slice according to bytes_per_entry.
+    for entry in textwrap.wrap(reg_slice, 2 * bytes_per_entry):
+        # Invert the bytes order if target uses little-endian.
+        if byte_order == lldb.eByteOrderLittle:
+            entry = "".join(reversed([entry[i:i+2] for i in range(0,
+                                          len(entry),2)]))
+        reg_value.append("0x" + entry)
+
+    return reg_value
+
+
+class TestGdbRemoteGPacket(gdbremote_testcase.GdbRemoteTestCaseBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def run_test_g_packet(self):
+        self.build()
+        self.prep_debug_monitor_and_inferior()
+        self.test_sequence.add_log_lines(
+            ["read packet: $g#67",
+             {"direction": "send", "regex": r"^\$(.+)#[0-9a-fA-F]{2}$",
+              "capture": {1: "register_bank"}}],
+            True)
+        self.connect_to_debug_monitor()
+        context = self.expect_gdbremote_sequence()
+        register_bank = context.get("register_bank")
+        self.assertTrue(register_bank[0] != 'E')
+
+        self.test_sequence.add_log_lines(
+            ["read packet: $G" + register_bank + "#00",
+             {"direction": "send", "regex": r"^\$(.+)#[0-9a-fA-F]{2}$",
+              "capture": {1: "G_reply"}}],
+            True)
+        context = self.expect_gdbremote_sequence()
+        self.assertTrue(context.get("G_reply")[0] != 'E')
+
+    @skipIfOutOfTreeDebugserver
+    @debugserver_test
+    @skipIfDarwinEmbedded
+    def test_g_packet_debugserver(self):
+        self.init_debugserver_test()
+        self.run_test_g_packet()
+
+    @skipIf(archs=no_match(["x86_64"]))
+    def g_returns_correct_data(self, with_suffix):
+        procs = self.prep_debug_monitor_and_inferior()
+
+        self.add_register_info_collection_packets()
+        if with_suffix:
+            self.add_thread_suffix_request_packets()
+        self.add_threadinfo_collection_packets()
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+
+        # Gather register info.
+        reg_infos = self.parse_register_info_packets(context)
+        self.assertIsNotNone(reg_infos)
+        self.add_lldb_register_index(reg_infos)
+        # Index register info entries by name.
+        reg_infos = {info['name']: info for info in reg_infos}
+
+        # Gather thread info.
+        if with_suffix:
+            threads = self.parse_threadinfo_packets(context)
+            self.assertIsNotNone(threads)
+            thread_id = threads[0]
+            self.assertIsNotNone(thread_id)
+        else:
+            thread_id = None
+
+        # Send vCont packet to resume the inferior.
+        self.test_sequence.add_log_lines(["read packet: $vCont;c#a8",
+                                          {"direction": "send",
+                                           "regex": r"^\$T([0-9a-fA-F]{2}).*#[0-9a-fA-F]{2}$",
+                                           "capture": {1: "hex_exit_code"}},
+                                          ],
+                                         True)
+
+        # Send g packet to retrieve the register bank
+        if thread_id:
+            g_request = "read packet: $g;thread:{:x}#00".format(thread_id)
+        else:
+            g_request = "read packet: $g#00"
+        self.test_sequence.add_log_lines(
+            [g_request,
+             {"direction": "send", "regex": r"^\$(.+)#[0-9a-fA-F]{2}$",
+              "capture": {1: "register_bank"}}],
+            True)
+        context = self.expect_gdbremote_sequence()
+        self.assertIsNotNone(context)
+        reg_bank = context.get("register_bank")
+        self.assertTrue(reg_bank[0] != 'E')
+
+        byte_order = self.get_target_byte_order()
+        get_reg_value = lambda reg_name : _extract_register_value(
+            reg_infos[reg_name], reg_bank, byte_order)
+
+        self.assertEqual(['0x0102030405060708'], get_reg_value('r8'))
+        self.assertEqual(['0x1112131415161718'], get_reg_value('r9'))
+        self.assertEqual(['0x2122232425262728'], get_reg_value('r10'))
+        self.assertEqual(['0x3132333435363738'], get_reg_value('r11'))
+        self.assertEqual(['0x4142434445464748'], get_reg_value('r12'))
+        self.assertEqual(['0x5152535455565758'], get_reg_value('r13'))
+        self.assertEqual(['0x6162636465666768'], get_reg_value('r14'))
+        self.assertEqual(['0x7172737475767778'], get_reg_value('r15'))
+
+        self.assertEqual(
+            ['0x020406080a0c0e01', '0x030507090b0d0f00'], get_reg_value('xmm8'))
+        self.assertEqual(
+            ['0x121416181a1c1e11', '0x131517191b1d1f10'], get_reg_value('xmm9'))
+        self.assertEqual(
+            ['0x222426282a2c2e21', '0x232527292b2d2f20'], get_reg_value('xmm10'))
+        self.assertEqual(
+            ['0x323436383a3c3e31', '0x333537393b3d3f30'], get_reg_value('xmm11'))
+        self.assertEqual(
+            ['0x424446484a4c4e41', '0x434547494b4d4f40'], get_reg_value('xmm12'))
+        self.assertEqual(
+            ['0x525456585a5c5e51', '0x535557595b5d5f50'], get_reg_value('xmm13'))
+        self.assertEqual(
+            ['0x626466686a6c6e61', '0x636567696b6d6f60'], get_reg_value('xmm14'))
+        self.assertEqual(
+            ['0x727476787a7c7e71', '0x737577797b7d7f70'], get_reg_value('xmm15'))
+
+    @llgs_test
+    def test_g_returns_correct_data_with_suffix_llgs(self):
+        self.init_llgs_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.g_returns_correct_data(True)
+
+    @llgs_test
+    def test_g_returns_correct_data_no_suffix_llgs(self):
+        self.init_llgs_test()
+        self.build()
+        self.set_inferior_startup_launch()
+        self.g_returns_correct_data(False)