forked from OSchip/llvm-project
537 lines
19 KiB
C++
537 lines
19 KiB
C++
//===-- GDBRemoteCommunicationClientTest.cpp --------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include <future>
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#include "GDBRemoteTestUtils.h"
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#include "Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Target/MemoryRegionInfo.h"
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#include "lldb/Utility/DataBuffer.h"
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#include "lldb/Utility/StructuredData.h"
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#include "lldb/Utility/TraceOptions.h"
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#include "lldb/lldb-enumerations.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/Testing/Support/Error.h"
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using namespace lldb_private::process_gdb_remote;
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using namespace lldb_private;
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using namespace lldb;
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using namespace llvm;
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namespace {
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typedef GDBRemoteCommunication::PacketResult PacketResult;
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struct TestClient : public GDBRemoteCommunicationClient {
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TestClient() { m_send_acks = false; }
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};
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void Handle_QThreadSuffixSupported(MockServer &server, bool supported) {
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StringExtractorGDBRemote request;
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ASSERT_EQ(PacketResult::Success, server.GetPacket(request));
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ASSERT_EQ("QThreadSuffixSupported", request.GetStringRef());
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if (supported)
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ASSERT_EQ(PacketResult::Success, server.SendOKResponse());
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else
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ASSERT_EQ(PacketResult::Success, server.SendUnimplementedResponse(nullptr));
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}
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void HandlePacket(MockServer &server, StringRef expected, StringRef response) {
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StringExtractorGDBRemote request;
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ASSERT_EQ(PacketResult::Success, server.GetPacket(request));
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ASSERT_EQ(expected, request.GetStringRef());
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ASSERT_EQ(PacketResult::Success, server.SendPacket(response));
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}
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uint8_t all_registers[] = {'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
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'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O'};
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std::string all_registers_hex = "404142434445464748494a4b4c4d4e4f";
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uint8_t one_register[] = {'A', 'B', 'C', 'D'};
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std::string one_register_hex = "41424344";
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} // end anonymous namespace
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class GDBRemoteCommunicationClientTest : public GDBRemoteTest {
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public:
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void SetUp() override {
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ASSERT_THAT_ERROR(Connect(client, server), llvm::Succeeded());
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}
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protected:
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TestClient client;
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MockServer server;
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};
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TEST_F(GDBRemoteCommunicationClientTest, WriteRegister) {
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const lldb::tid_t tid = 0x47;
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const uint32_t reg_num = 4;
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std::future<bool> write_result = std::async(std::launch::async, [&] {
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return client.WriteRegister(tid, reg_num, one_register);
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});
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Handle_QThreadSuffixSupported(server, true);
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HandlePacket(server, "P4=" + one_register_hex + ";thread:0047;", "OK");
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ASSERT_TRUE(write_result.get());
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write_result = std::async(std::launch::async, [&] {
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return client.WriteAllRegisters(tid, all_registers);
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});
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HandlePacket(server, "G" + all_registers_hex + ";thread:0047;", "OK");
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ASSERT_TRUE(write_result.get());
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}
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TEST_F(GDBRemoteCommunicationClientTest, WriteRegisterNoSuffix) {
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const lldb::tid_t tid = 0x47;
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const uint32_t reg_num = 4;
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std::future<bool> write_result = std::async(std::launch::async, [&] {
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return client.WriteRegister(tid, reg_num, one_register);
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});
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Handle_QThreadSuffixSupported(server, false);
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HandlePacket(server, "Hg47", "OK");
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HandlePacket(server, "P4=" + one_register_hex, "OK");
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ASSERT_TRUE(write_result.get());
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write_result = std::async(std::launch::async, [&] {
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return client.WriteAllRegisters(tid, all_registers);
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});
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HandlePacket(server, "G" + all_registers_hex, "OK");
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ASSERT_TRUE(write_result.get());
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}
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TEST_F(GDBRemoteCommunicationClientTest, ReadRegister) {
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const lldb::tid_t tid = 0x47;
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const uint32_t reg_num = 4;
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std::future<bool> async_result = std::async(
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std::launch::async, [&] { return client.GetpPacketSupported(tid); });
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Handle_QThreadSuffixSupported(server, true);
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HandlePacket(server, "p0;thread:0047;", one_register_hex);
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ASSERT_TRUE(async_result.get());
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std::future<DataBufferSP> read_result = std::async(
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std::launch::async, [&] { return client.ReadRegister(tid, reg_num); });
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HandlePacket(server, "p4;thread:0047;", "41424344");
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auto buffer_sp = read_result.get();
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ASSERT_TRUE(bool(buffer_sp));
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ASSERT_EQ(0,
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memcmp(buffer_sp->GetBytes(), one_register, sizeof one_register));
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read_result = std::async(std::launch::async,
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[&] { return client.ReadAllRegisters(tid); });
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HandlePacket(server, "g;thread:0047;", all_registers_hex);
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buffer_sp = read_result.get();
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ASSERT_TRUE(bool(buffer_sp));
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ASSERT_EQ(0,
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memcmp(buffer_sp->GetBytes(), all_registers, sizeof all_registers));
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}
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TEST_F(GDBRemoteCommunicationClientTest, SaveRestoreRegistersNoSuffix) {
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const lldb::tid_t tid = 0x47;
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uint32_t save_id;
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std::future<bool> async_result = std::async(std::launch::async, [&] {
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return client.SaveRegisterState(tid, save_id);
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});
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Handle_QThreadSuffixSupported(server, false);
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HandlePacket(server, "Hg47", "OK");
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HandlePacket(server, "QSaveRegisterState", "1");
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ASSERT_TRUE(async_result.get());
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EXPECT_EQ(1u, save_id);
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async_result = std::async(std::launch::async, [&] {
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return client.RestoreRegisterState(tid, save_id);
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});
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HandlePacket(server, "QRestoreRegisterState:1", "OK");
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ASSERT_TRUE(async_result.get());
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}
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TEST_F(GDBRemoteCommunicationClientTest, SyncThreadState) {
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const lldb::tid_t tid = 0x47;
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std::future<bool> async_result = std::async(
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std::launch::async, [&] { return client.SyncThreadState(tid); });
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HandlePacket(server, "qSyncThreadStateSupported", "OK");
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HandlePacket(server, "QSyncThreadState:0047;", "OK");
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ASSERT_TRUE(async_result.get());
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}
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TEST_F(GDBRemoteCommunicationClientTest, GetModulesInfo) {
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llvm::Triple triple("i386-pc-linux");
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FileSpec file_specs[] = {
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FileSpec("/foo/bar.so", false, FileSpec::ePathSyntaxPosix),
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FileSpec("/foo/baz.so", false, FileSpec::ePathSyntaxPosix),
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// This is a bit dodgy but we currently depend on GetModulesInfo not
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// performing denormalization. It can go away once the users
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// (DynamicLoaderPOSIXDYLD, at least) correctly set the path syntax for
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// the FileSpecs they create.
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FileSpec("/foo/baw.so", false, FileSpec::ePathSyntaxWindows),
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};
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std::future<llvm::Optional<std::vector<ModuleSpec>>> async_result =
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std::async(std::launch::async,
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[&] { return client.GetModulesInfo(file_specs, triple); });
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HandlePacket(
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server, "jModulesInfo:["
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R"({"file":"/foo/bar.so","triple":"i386-pc-linux"},)"
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R"({"file":"/foo/baz.so","triple":"i386-pc-linux"},)"
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R"({"file":"/foo/baw.so","triple":"i386-pc-linux"}])",
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R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)"
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R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])");
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auto result = async_result.get();
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ASSERT_TRUE(result.hasValue());
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ASSERT_EQ(1u, result->size());
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EXPECT_EQ("/foo/bar.so", result.getValue()[0].GetFileSpec().GetPath());
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EXPECT_EQ(triple, result.getValue()[0].GetArchitecture().GetTriple());
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EXPECT_EQ(UUID("@ABCDEFGHIJKLMNO", 16), result.getValue()[0].GetUUID());
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EXPECT_EQ(0u, result.getValue()[0].GetObjectOffset());
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EXPECT_EQ(1234u, result.getValue()[0].GetObjectSize());
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}
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TEST_F(GDBRemoteCommunicationClientTest, GetModulesInfo_UUID20) {
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llvm::Triple triple("i386-pc-linux");
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FileSpec file_spec("/foo/bar.so", false, FileSpec::ePathSyntaxPosix);
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std::future<llvm::Optional<std::vector<ModuleSpec>>> async_result =
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std::async(std::launch::async,
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[&] { return client.GetModulesInfo(file_spec, triple); });
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HandlePacket(
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server,
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"jModulesInfo:["
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R"({"file":"/foo/bar.so","triple":"i386-pc-linux"}])",
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R"([{"uuid":"404142434445464748494a4b4c4d4e4f50515253","triple":"i386-pc-linux",)"
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R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])");
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auto result = async_result.get();
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ASSERT_TRUE(result.hasValue());
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ASSERT_EQ(1u, result->size());
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EXPECT_EQ("/foo/bar.so", result.getValue()[0].GetFileSpec().GetPath());
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EXPECT_EQ(triple, result.getValue()[0].GetArchitecture().GetTriple());
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EXPECT_EQ(UUID("@ABCDEFGHIJKLMNOPQRS", 20), result.getValue()[0].GetUUID());
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EXPECT_EQ(0u, result.getValue()[0].GetObjectOffset());
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EXPECT_EQ(1234u, result.getValue()[0].GetObjectSize());
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}
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TEST_F(GDBRemoteCommunicationClientTest, GetModulesInfoInvalidResponse) {
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llvm::Triple triple("i386-pc-linux");
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FileSpec file_spec("/foo/bar.so", false, FileSpec::ePathSyntaxPosix);
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const char *invalid_responses[] = {
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// no UUID
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R"([{"triple":"i386-pc-linux",)"
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R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])",
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// invalid UUID
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R"([{"uuid":"XXXXXX","triple":"i386-pc-linux",)"
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R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])",
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// no triple
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R"([{"uuid":"404142434445464748494a4b4c4d4e4f",)"
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R"("file_path":"/foo/bar.so","file_offset":0,"file_size":1234}]])",
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// no file_path
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R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)"
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R"("file_offset":0,"file_size":1234}]])",
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// no file_offset
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R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)"
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R"("file_path":"/foo/bar.so","file_size":1234}]])",
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// no file_size
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R"([{"uuid":"404142434445464748494a4b4c4d4e4f","triple":"i386-pc-linux",)"
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R"("file_path":"/foo/bar.so","file_offset":0}]])",
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};
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for (const char *response : invalid_responses) {
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std::future<llvm::Optional<std::vector<ModuleSpec>>> async_result =
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std::async(std::launch::async,
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[&] { return client.GetModulesInfo(file_spec, triple); });
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HandlePacket(
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server,
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R"(jModulesInfo:[{"file":"/foo/bar.so","triple":"i386-pc-linux"}])",
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response);
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auto result = async_result.get();
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ASSERT_TRUE(result);
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ASSERT_EQ(0u, result->size()) << "response was: " << response;
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}
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}
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TEST_F(GDBRemoteCommunicationClientTest, TestPacketSpeedJSON) {
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std::thread server_thread([this] {
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for (;;) {
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StringExtractorGDBRemote request;
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PacketResult result = server.GetPacket(request);
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if (result == PacketResult::ErrorDisconnected)
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return;
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ASSERT_EQ(PacketResult::Success, result);
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StringRef ref = request.GetStringRef();
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ASSERT_TRUE(ref.consume_front("qSpeedTest:response_size:"));
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int size;
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ASSERT_FALSE(ref.consumeInteger(10, size)) << "ref: " << ref;
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std::string response(size, 'X');
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ASSERT_EQ(PacketResult::Success, server.SendPacket(response));
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}
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});
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StreamString ss;
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client.TestPacketSpeed(10, 32, 32, 4096, true, ss);
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client.Disconnect();
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server_thread.join();
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GTEST_LOG_(INFO) << "Formatted output: " << ss.GetData();
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auto object_sp = StructuredData::ParseJSON(ss.GetString());
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ASSERT_TRUE(bool(object_sp));
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auto dict_sp = object_sp->GetAsDictionary();
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ASSERT_TRUE(bool(dict_sp));
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object_sp = dict_sp->GetValueForKey("packet_speeds");
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ASSERT_TRUE(bool(object_sp));
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dict_sp = object_sp->GetAsDictionary();
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ASSERT_TRUE(bool(dict_sp));
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int num_packets;
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ASSERT_TRUE(dict_sp->GetValueForKeyAsInteger("num_packets", num_packets))
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<< ss.GetString();
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ASSERT_EQ(10, num_packets);
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}
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TEST_F(GDBRemoteCommunicationClientTest, SendSignalsToIgnore) {
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std::future<Status> result = std::async(std::launch::async, [&] {
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return client.SendSignalsToIgnore({2, 3, 5, 7, 0xB, 0xD, 0x11});
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});
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HandlePacket(server, "QPassSignals:02;03;05;07;0b;0d;11", "OK");
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EXPECT_TRUE(result.get().Success());
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result = std::async(std::launch::async, [&] {
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return client.SendSignalsToIgnore(std::vector<int32_t>());
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});
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HandlePacket(server, "QPassSignals:", "OK");
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EXPECT_TRUE(result.get().Success());
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}
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TEST_F(GDBRemoteCommunicationClientTest, GetMemoryRegionInfo) {
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const lldb::addr_t addr = 0xa000;
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MemoryRegionInfo region_info;
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std::future<Status> result = std::async(std::launch::async, [&] {
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return client.GetMemoryRegionInfo(addr, region_info);
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});
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// name is: /foo/bar.so
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HandlePacket(server,
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"qMemoryRegionInfo:a000",
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"start:a000;size:2000;permissions:rx;name:2f666f6f2f6261722e736f;");
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EXPECT_TRUE(result.get().Success());
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}
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TEST_F(GDBRemoteCommunicationClientTest, GetMemoryRegionInfoInvalidResponse) {
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const lldb::addr_t addr = 0x4000;
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MemoryRegionInfo region_info;
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std::future<Status> result = std::async(std::launch::async, [&] {
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return client.GetMemoryRegionInfo(addr, region_info);
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});
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HandlePacket(server, "qMemoryRegionInfo:4000", "start:4000;size:0000;");
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EXPECT_FALSE(result.get().Success());
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}
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TEST_F(GDBRemoteCommunicationClientTest, SendStartTracePacket) {
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TraceOptions options;
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Status error;
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options.setType(lldb::TraceType::eTraceTypeProcessorTrace);
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options.setMetaDataBufferSize(8192);
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options.setTraceBufferSize(8192);
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options.setThreadID(0x23);
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StructuredData::DictionarySP custom_params =
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std::make_shared<StructuredData::Dictionary>();
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custom_params->AddStringItem("tracetech", "intel-pt");
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custom_params->AddIntegerItem("psb", 0x01);
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options.setTraceParams(custom_params);
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std::future<lldb::user_id_t> result = std::async(std::launch::async, [&] {
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return client.SendStartTracePacket(options, error);
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});
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// Since the line is exceeding 80 characters.
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std::string expected_packet1 =
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R"(jTraceStart:{"buffersize" : 8192,"metabuffersize" : 8192,"params" :)";
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std::string expected_packet2 =
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R"( {"psb" : 1,"tracetech" : "intel-pt"},"threadid" : 35,"type" : 1})";
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HandlePacket(server, (expected_packet1 + expected_packet2), "1");
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ASSERT_TRUE(error.Success());
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ASSERT_EQ(result.get(), 1u);
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error.Clear();
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result = std::async(std::launch::async, [&] {
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return client.SendStartTracePacket(options, error);
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});
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HandlePacket(server, (expected_packet1 + expected_packet2), "E23");
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ASSERT_EQ(result.get(), LLDB_INVALID_UID);
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ASSERT_FALSE(error.Success());
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}
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TEST_F(GDBRemoteCommunicationClientTest, SendStopTracePacket) {
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lldb::tid_t thread_id = 0x23;
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lldb::user_id_t trace_id = 3;
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std::future<Status> result = std::async(std::launch::async, [&] {
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return client.SendStopTracePacket(trace_id, thread_id);
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});
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const char *expected_packet =
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R"(jTraceStop:{"threadid" : 35,"traceid" : 3})";
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HandlePacket(server, expected_packet, "OK");
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ASSERT_TRUE(result.get().Success());
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result = std::async(std::launch::async, [&] {
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return client.SendStopTracePacket(trace_id, thread_id);
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});
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HandlePacket(server, expected_packet, "E23");
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ASSERT_FALSE(result.get().Success());
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}
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TEST_F(GDBRemoteCommunicationClientTest, SendGetDataPacket) {
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lldb::tid_t thread_id = 0x23;
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lldb::user_id_t trace_id = 3;
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uint8_t buf[32] = {};
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llvm::MutableArrayRef<uint8_t> buffer(buf, 32);
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size_t offset = 0;
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std::future<Status> result = std::async(std::launch::async, [&] {
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return client.SendGetDataPacket(trace_id, thread_id, buffer, offset);
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});
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std::string expected_packet1 =
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R"(jTraceBufferRead:{"buffersize" : 32,"offset" : 0,"threadid" : 35,)";
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std::string expected_packet2 = R"("traceid" : 3})";
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HandlePacket(server, expected_packet1+expected_packet2, "123456");
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ASSERT_TRUE(result.get().Success());
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ASSERT_EQ(buffer.size(), 3u);
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ASSERT_EQ(buf[0], 0x12);
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ASSERT_EQ(buf[1], 0x34);
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ASSERT_EQ(buf[2], 0x56);
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llvm::MutableArrayRef<uint8_t> buffer2(buf, 32);
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result = std::async(std::launch::async, [&] {
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return client.SendGetDataPacket(trace_id, thread_id, buffer2, offset);
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});
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HandlePacket(server, expected_packet1+expected_packet2, "E23");
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ASSERT_FALSE(result.get().Success());
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ASSERT_EQ(buffer2.size(), 0u);
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}
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|
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TEST_F(GDBRemoteCommunicationClientTest, SendGetMetaDataPacket) {
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lldb::tid_t thread_id = 0x23;
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lldb::user_id_t trace_id = 3;
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|
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uint8_t buf[32] = {};
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llvm::MutableArrayRef<uint8_t> buffer(buf, 32);
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size_t offset = 0;
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|
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std::future<Status> result = std::async(std::launch::async, [&] {
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return client.SendGetMetaDataPacket(trace_id, thread_id, buffer, offset);
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});
|
|
|
|
std::string expected_packet1 =
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R"(jTraceMetaRead:{"buffersize" : 32,"offset" : 0,"threadid" : 35,)";
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std::string expected_packet2 = R"("traceid" : 3})";
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HandlePacket(server, expected_packet1+expected_packet2, "123456");
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ASSERT_TRUE(result.get().Success());
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|
ASSERT_EQ(buffer.size(), 3u);
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|
ASSERT_EQ(buf[0], 0x12);
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|
ASSERT_EQ(buf[1], 0x34);
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|
ASSERT_EQ(buf[2], 0x56);
|
|
|
|
llvm::MutableArrayRef<uint8_t> buffer2(buf, 32);
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|
result = std::async(std::launch::async, [&] {
|
|
return client.SendGetMetaDataPacket(trace_id, thread_id, buffer2, offset);
|
|
});
|
|
|
|
HandlePacket(server, expected_packet1+expected_packet2, "E23");
|
|
ASSERT_FALSE(result.get().Success());
|
|
ASSERT_EQ(buffer2.size(), 0u);
|
|
}
|
|
|
|
TEST_F(GDBRemoteCommunicationClientTest, SendGetTraceConfigPacket) {
|
|
lldb::tid_t thread_id = 0x23;
|
|
lldb::user_id_t trace_id = 3;
|
|
TraceOptions options;
|
|
options.setThreadID(thread_id);
|
|
|
|
std::future<Status> result = std::async(std::launch::async, [&] {
|
|
return client.SendGetTraceConfigPacket(trace_id, options);
|
|
});
|
|
|
|
const char *expected_packet =
|
|
R"(jTraceConfigRead:{"threadid" : 35,"traceid" : 3})";
|
|
std::string response1 =
|
|
R"({"buffersize" : 8192,"params" : {"psb" : 1,"tracetech" : "intel-pt"})";
|
|
std::string response2 =
|
|
R"(],"metabuffersize" : 8192,"threadid" : 35,"type" : 1}])";
|
|
HandlePacket(server, expected_packet, response1+response2);
|
|
ASSERT_TRUE(result.get().Success());
|
|
ASSERT_EQ(options.getTraceBufferSize(), 8192u);
|
|
ASSERT_EQ(options.getMetaDataBufferSize(), 8192u);
|
|
ASSERT_EQ(options.getType(), 1);
|
|
|
|
auto custom_params = options.getTraceParams();
|
|
|
|
uint64_t psb_value;
|
|
llvm::StringRef trace_tech_value;
|
|
|
|
ASSERT_TRUE(custom_params);
|
|
ASSERT_EQ(custom_params->GetType(), eStructuredDataTypeDictionary);
|
|
ASSERT_TRUE(custom_params->GetValueForKeyAsInteger("psb", psb_value));
|
|
ASSERT_EQ(psb_value, 1u);
|
|
ASSERT_TRUE(
|
|
custom_params->GetValueForKeyAsString("tracetech", trace_tech_value));
|
|
ASSERT_STREQ(trace_tech_value.data(), "intel-pt");
|
|
|
|
// Checking error response.
|
|
std::future<Status> result2 = std::async(std::launch::async, [&] {
|
|
return client.SendGetTraceConfigPacket(trace_id, options);
|
|
});
|
|
|
|
HandlePacket(server, expected_packet, "E23");
|
|
ASSERT_FALSE(result2.get().Success());
|
|
|
|
// Wrong JSON as response.
|
|
std::future<Status> result3 = std::async(std::launch::async, [&] {
|
|
return client.SendGetTraceConfigPacket(trace_id, options);
|
|
});
|
|
|
|
std::string incorrect_json1 =
|
|
R"("buffersize" : 8192,"params" : {"psb" : 1,"tracetech" : "intel-pt"})";
|
|
std::string incorrect_json2 =
|
|
R"(],"metabuffersize" : 8192,"threadid" : 35,"type" : 1}])";
|
|
HandlePacket(server, expected_packet, incorrect_json1+incorrect_json2);
|
|
ASSERT_FALSE(result3.get().Success());
|
|
|
|
// Wrong JSON as custom_params.
|
|
std::future<Status> result4 = std::async(std::launch::async, [&] {
|
|
return client.SendGetTraceConfigPacket(trace_id, options);
|
|
});
|
|
|
|
std::string incorrect_custom_params1 =
|
|
R"({"buffersize" : 8192,"params" : "psb" : 1,"tracetech" : "intel-pt"})";
|
|
std::string incorrect_custom_params2 =
|
|
R"(],"metabuffersize" : 8192,"threadid" : 35,"type" : 1}])";
|
|
HandlePacket(server, expected_packet, incorrect_custom_params1+
|
|
incorrect_custom_params2);
|
|
ASSERT_FALSE(result4.get().Success());
|
|
}
|