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1314 lines
46 KiB
1314 lines
46 KiB
4 months ago
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//===-- GDBRemoteCommunicationServerCommon.cpp ----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "GDBRemoteCommunicationServerCommon.h"
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#include <errno.h>
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#ifdef __APPLE__
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#include <TargetConditionals.h>
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#endif
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#include <chrono>
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#include <cstring>
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Host/Config.h"
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#include "lldb/Host/File.h"
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#include "lldb/Host/FileAction.h"
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#include "lldb/Host/FileSystem.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Host/HostInfo.h"
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#include "lldb/Host/SafeMachO.h"
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#include "lldb/Interpreter/OptionArgParser.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Target/Platform.h"
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#include "lldb/Utility/Endian.h"
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#include "lldb/Utility/GDBRemote.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/StreamString.h"
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#include "lldb/Utility/StructuredData.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/JSON.h"
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#include "ProcessGDBRemoteLog.h"
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#include "lldb/Utility/StringExtractorGDBRemote.h"
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#ifdef __ANDROID__
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#include "lldb/Host/android/HostInfoAndroid.h"
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#endif
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using namespace lldb;
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using namespace lldb_private::process_gdb_remote;
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using namespace lldb_private;
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#ifdef __ANDROID__
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const static uint32_t g_default_packet_timeout_sec = 20; // seconds
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#else
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const static uint32_t g_default_packet_timeout_sec = 0; // not specified
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#endif
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// GDBRemoteCommunicationServerCommon constructor
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GDBRemoteCommunicationServerCommon::GDBRemoteCommunicationServerCommon(
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const char *comm_name, const char *listener_name)
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: GDBRemoteCommunicationServer(comm_name, listener_name),
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m_process_launch_info(), m_process_launch_error(), m_proc_infos(),
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m_proc_infos_index(0), m_thread_suffix_supported(false),
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m_list_threads_in_stop_reply(false) {
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RegisterMemberFunctionHandler(StringExtractorGDBRemote::eServerPacketType_A,
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&GDBRemoteCommunicationServerCommon::Handle_A);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QEnvironment,
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&GDBRemoteCommunicationServerCommon::Handle_QEnvironment);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QEnvironmentHexEncoded,
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&GDBRemoteCommunicationServerCommon::Handle_QEnvironmentHexEncoded);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qfProcessInfo,
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&GDBRemoteCommunicationServerCommon::Handle_qfProcessInfo);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qGroupName,
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&GDBRemoteCommunicationServerCommon::Handle_qGroupName);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qHostInfo,
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&GDBRemoteCommunicationServerCommon::Handle_qHostInfo);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QLaunchArch,
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&GDBRemoteCommunicationServerCommon::Handle_QLaunchArch);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qLaunchSuccess,
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&GDBRemoteCommunicationServerCommon::Handle_qLaunchSuccess);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QListThreadsInStopReply,
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&GDBRemoteCommunicationServerCommon::Handle_QListThreadsInStopReply);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qEcho,
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&GDBRemoteCommunicationServerCommon::Handle_qEcho);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qModuleInfo,
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&GDBRemoteCommunicationServerCommon::Handle_qModuleInfo);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_jModulesInfo,
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&GDBRemoteCommunicationServerCommon::Handle_jModulesInfo);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qPlatform_chmod,
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&GDBRemoteCommunicationServerCommon::Handle_qPlatform_chmod);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qPlatform_mkdir,
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&GDBRemoteCommunicationServerCommon::Handle_qPlatform_mkdir);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qPlatform_shell,
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&GDBRemoteCommunicationServerCommon::Handle_qPlatform_shell);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qProcessInfoPID,
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&GDBRemoteCommunicationServerCommon::Handle_qProcessInfoPID);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QSetDetachOnError,
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&GDBRemoteCommunicationServerCommon::Handle_QSetDetachOnError);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QSetSTDERR,
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&GDBRemoteCommunicationServerCommon::Handle_QSetSTDERR);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QSetSTDIN,
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&GDBRemoteCommunicationServerCommon::Handle_QSetSTDIN);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QSetSTDOUT,
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&GDBRemoteCommunicationServerCommon::Handle_QSetSTDOUT);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qSpeedTest,
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&GDBRemoteCommunicationServerCommon::Handle_qSpeedTest);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qsProcessInfo,
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&GDBRemoteCommunicationServerCommon::Handle_qsProcessInfo);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QStartNoAckMode,
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&GDBRemoteCommunicationServerCommon::Handle_QStartNoAckMode);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qSupported,
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&GDBRemoteCommunicationServerCommon::Handle_qSupported);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_QThreadSuffixSupported,
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&GDBRemoteCommunicationServerCommon::Handle_QThreadSuffixSupported);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_qUserName,
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&GDBRemoteCommunicationServerCommon::Handle_qUserName);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_close,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_Close);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_exists,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_Exists);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_md5,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_MD5);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_mode,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_Mode);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_open,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_Open);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_pread,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_pRead);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_pwrite,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_size,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_Size);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_stat,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_Stat);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_symlink,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_symlink);
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RegisterMemberFunctionHandler(
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StringExtractorGDBRemote::eServerPacketType_vFile_unlink,
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&GDBRemoteCommunicationServerCommon::Handle_vFile_unlink);
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}
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// Destructor
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GDBRemoteCommunicationServerCommon::~GDBRemoteCommunicationServerCommon() {}
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GDBRemoteCommunication::PacketResult
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GDBRemoteCommunicationServerCommon::Handle_qHostInfo(
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StringExtractorGDBRemote &packet) {
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StreamString response;
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// $cputype:16777223;cpusubtype:3;ostype:Darwin;vendor:apple;endian:little;ptrsize:8;#00
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ArchSpec host_arch(HostInfo::GetArchitecture());
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const llvm::Triple &host_triple = host_arch.GetTriple();
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response.PutCString("triple:");
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response.PutStringAsRawHex8(host_triple.getTriple());
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response.Printf(";ptrsize:%u;", host_arch.GetAddressByteSize());
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const char *distribution_id = host_arch.GetDistributionId().AsCString();
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if (distribution_id) {
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response.PutCString("distribution_id:");
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response.PutStringAsRawHex8(distribution_id);
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response.PutCString(";");
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}
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#if defined(__APPLE__)
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// For parity with debugserver, we'll include the vendor key.
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response.PutCString("vendor:apple;");
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// Send out MachO info.
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uint32_t cpu = host_arch.GetMachOCPUType();
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uint32_t sub = host_arch.GetMachOCPUSubType();
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if (cpu != LLDB_INVALID_CPUTYPE)
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response.Printf("cputype:%u;", cpu);
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if (sub != LLDB_INVALID_CPUTYPE)
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response.Printf("cpusubtype:%u;", sub);
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if (cpu == llvm::MachO::CPU_TYPE_ARM || cpu == llvm::MachO::CPU_TYPE_ARM64) {
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// Indicate the OS type.
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#if defined(TARGET_OS_TV) && TARGET_OS_TV == 1
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response.PutCString("ostype:tvos;");
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#elif defined(TARGET_OS_WATCH) && TARGET_OS_WATCH == 1
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response.PutCString("ostype:watchos;");
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#elif defined(TARGET_OS_BRIDGE) && TARGET_OS_BRIDGE == 1
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response.PutCString("ostype:bridgeos;");
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#else
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response.PutCString("ostype:ios;");
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#endif
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// On arm, we use "synchronous" watchpoints which means the exception is
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// delivered before the instruction executes.
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response.PutCString("watchpoint_exceptions_received:before;");
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} else {
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response.PutCString("ostype:macosx;");
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response.Printf("watchpoint_exceptions_received:after;");
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}
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#else
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if (host_arch.GetMachine() == llvm::Triple::aarch64 ||
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host_arch.GetMachine() == llvm::Triple::aarch64_32 ||
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host_arch.GetMachine() == llvm::Triple::aarch64_be ||
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host_arch.GetMachine() == llvm::Triple::arm ||
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host_arch.GetMachine() == llvm::Triple::armeb || host_arch.IsMIPS())
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response.Printf("watchpoint_exceptions_received:before;");
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else
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response.Printf("watchpoint_exceptions_received:after;");
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#endif
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switch (endian::InlHostByteOrder()) {
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case eByteOrderBig:
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response.PutCString("endian:big;");
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break;
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case eByteOrderLittle:
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response.PutCString("endian:little;");
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break;
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case eByteOrderPDP:
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response.PutCString("endian:pdp;");
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break;
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default:
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response.PutCString("endian:unknown;");
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break;
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}
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llvm::VersionTuple version = HostInfo::GetOSVersion();
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if (!version.empty()) {
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response.Format("os_version:{0}", version.getAsString());
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response.PutChar(';');
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}
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#if defined(__APPLE__)
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llvm::VersionTuple maccatalyst_version = HostInfo::GetMacCatalystVersion();
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if (!maccatalyst_version.empty()) {
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response.Format("maccatalyst_version:{0}",
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maccatalyst_version.getAsString());
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response.PutChar(';');
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}
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#endif
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std::string s;
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if (HostInfo::GetOSBuildString(s)) {
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response.PutCString("os_build:");
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response.PutStringAsRawHex8(s);
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response.PutChar(';');
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}
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if (HostInfo::GetOSKernelDescription(s)) {
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response.PutCString("os_kernel:");
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response.PutStringAsRawHex8(s);
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response.PutChar(';');
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}
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#if defined(__APPLE__)
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#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
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// For iOS devices, we are connected through a USB Mux so we never pretend to
|
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// actually have a hostname as far as the remote lldb that is connecting to
|
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// this lldb-platform is concerned
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response.PutCString("hostname:");
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response.PutStringAsRawHex8("127.0.0.1");
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response.PutChar(';');
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#else // #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
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if (HostInfo::GetHostname(s)) {
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response.PutCString("hostname:");
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response.PutStringAsRawHex8(s);
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response.PutChar(';');
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}
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#endif // #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
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#else // #if defined(__APPLE__)
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if (HostInfo::GetHostname(s)) {
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response.PutCString("hostname:");
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response.PutStringAsRawHex8(s);
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response.PutChar(';');
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||
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}
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||
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#endif // #if defined(__APPLE__)
|
||
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||
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if (g_default_packet_timeout_sec > 0)
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||
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response.Printf("default_packet_timeout:%u;", g_default_packet_timeout_sec);
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return SendPacketNoLock(response.GetString());
|
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}
|
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||
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GDBRemoteCommunication::PacketResult
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GDBRemoteCommunicationServerCommon::Handle_qProcessInfoPID(
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StringExtractorGDBRemote &packet) {
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||
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// Packet format: "qProcessInfoPID:%i" where %i is the pid
|
||
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packet.SetFilePos(::strlen("qProcessInfoPID:"));
|
||
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lldb::pid_t pid = packet.GetU32(LLDB_INVALID_PROCESS_ID);
|
||
|
if (pid != LLDB_INVALID_PROCESS_ID) {
|
||
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ProcessInstanceInfo proc_info;
|
||
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if (Host::GetProcessInfo(pid, proc_info)) {
|
||
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StreamString response;
|
||
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CreateProcessInfoResponse(proc_info, response);
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||
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return SendPacketNoLock(response.GetString());
|
||
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}
|
||
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}
|
||
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return SendErrorResponse(1);
|
||
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}
|
||
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|
||
|
GDBRemoteCommunication::PacketResult
|
||
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GDBRemoteCommunicationServerCommon::Handle_qfProcessInfo(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
m_proc_infos_index = 0;
|
||
|
m_proc_infos.clear();
|
||
|
|
||
|
ProcessInstanceInfoMatch match_info;
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||
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packet.SetFilePos(::strlen("qfProcessInfo"));
|
||
|
if (packet.GetChar() == ':') {
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||
|
llvm::StringRef key;
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||
|
llvm::StringRef value;
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||
|
while (packet.GetNameColonValue(key, value)) {
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||
|
bool success = true;
|
||
|
if (key.equals("name")) {
|
||
|
StringExtractor extractor(value);
|
||
|
std::string file;
|
||
|
extractor.GetHexByteString(file);
|
||
|
match_info.GetProcessInfo().GetExecutableFile().SetFile(
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|
file, FileSpec::Style::native);
|
||
|
} else if (key.equals("name_match")) {
|
||
|
NameMatch name_match = llvm::StringSwitch<NameMatch>(value)
|
||
|
.Case("equals", NameMatch::Equals)
|
||
|
.Case("starts_with", NameMatch::StartsWith)
|
||
|
.Case("ends_with", NameMatch::EndsWith)
|
||
|
.Case("contains", NameMatch::Contains)
|
||
|
.Case("regex", NameMatch::RegularExpression)
|
||
|
.Default(NameMatch::Ignore);
|
||
|
match_info.SetNameMatchType(name_match);
|
||
|
if (name_match == NameMatch::Ignore)
|
||
|
return SendErrorResponse(2);
|
||
|
} else if (key.equals("pid")) {
|
||
|
lldb::pid_t pid = LLDB_INVALID_PROCESS_ID;
|
||
|
if (value.getAsInteger(0, pid))
|
||
|
return SendErrorResponse(2);
|
||
|
match_info.GetProcessInfo().SetProcessID(pid);
|
||
|
} else if (key.equals("parent_pid")) {
|
||
|
lldb::pid_t pid = LLDB_INVALID_PROCESS_ID;
|
||
|
if (value.getAsInteger(0, pid))
|
||
|
return SendErrorResponse(2);
|
||
|
match_info.GetProcessInfo().SetParentProcessID(pid);
|
||
|
} else if (key.equals("uid")) {
|
||
|
uint32_t uid = UINT32_MAX;
|
||
|
if (value.getAsInteger(0, uid))
|
||
|
return SendErrorResponse(2);
|
||
|
match_info.GetProcessInfo().SetUserID(uid);
|
||
|
} else if (key.equals("gid")) {
|
||
|
uint32_t gid = UINT32_MAX;
|
||
|
if (value.getAsInteger(0, gid))
|
||
|
return SendErrorResponse(2);
|
||
|
match_info.GetProcessInfo().SetGroupID(gid);
|
||
|
} else if (key.equals("euid")) {
|
||
|
uint32_t uid = UINT32_MAX;
|
||
|
if (value.getAsInteger(0, uid))
|
||
|
return SendErrorResponse(2);
|
||
|
match_info.GetProcessInfo().SetEffectiveUserID(uid);
|
||
|
} else if (key.equals("egid")) {
|
||
|
uint32_t gid = UINT32_MAX;
|
||
|
if (value.getAsInteger(0, gid))
|
||
|
return SendErrorResponse(2);
|
||
|
match_info.GetProcessInfo().SetEffectiveGroupID(gid);
|
||
|
} else if (key.equals("all_users")) {
|
||
|
match_info.SetMatchAllUsers(
|
||
|
OptionArgParser::ToBoolean(value, false, &success));
|
||
|
} else if (key.equals("triple")) {
|
||
|
match_info.GetProcessInfo().GetArchitecture() =
|
||
|
HostInfo::GetAugmentedArchSpec(value);
|
||
|
} else {
|
||
|
success = false;
|
||
|
}
|
||
|
|
||
|
if (!success)
|
||
|
return SendErrorResponse(2);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (Host::FindProcesses(match_info, m_proc_infos)) {
|
||
|
// We found something, return the first item by calling the get subsequent
|
||
|
// process info packet handler...
|
||
|
return Handle_qsProcessInfo(packet);
|
||
|
}
|
||
|
return SendErrorResponse(3);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qsProcessInfo(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
if (m_proc_infos_index < m_proc_infos.size()) {
|
||
|
StreamString response;
|
||
|
CreateProcessInfoResponse(m_proc_infos[m_proc_infos_index], response);
|
||
|
++m_proc_infos_index;
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
return SendErrorResponse(4);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qUserName(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
#if LLDB_ENABLE_POSIX
|
||
|
Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
|
||
|
LLDB_LOGF(log, "GDBRemoteCommunicationServerCommon::%s begin", __FUNCTION__);
|
||
|
|
||
|
// Packet format: "qUserName:%i" where %i is the uid
|
||
|
packet.SetFilePos(::strlen("qUserName:"));
|
||
|
uint32_t uid = packet.GetU32(UINT32_MAX);
|
||
|
if (uid != UINT32_MAX) {
|
||
|
if (llvm::Optional<llvm::StringRef> name =
|
||
|
HostInfo::GetUserIDResolver().GetUserName(uid)) {
|
||
|
StreamString response;
|
||
|
response.PutStringAsRawHex8(*name);
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
}
|
||
|
LLDB_LOGF(log, "GDBRemoteCommunicationServerCommon::%s end", __FUNCTION__);
|
||
|
#endif
|
||
|
return SendErrorResponse(5);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qGroupName(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
#if LLDB_ENABLE_POSIX
|
||
|
// Packet format: "qGroupName:%i" where %i is the gid
|
||
|
packet.SetFilePos(::strlen("qGroupName:"));
|
||
|
uint32_t gid = packet.GetU32(UINT32_MAX);
|
||
|
if (gid != UINT32_MAX) {
|
||
|
if (llvm::Optional<llvm::StringRef> name =
|
||
|
HostInfo::GetUserIDResolver().GetGroupName(gid)) {
|
||
|
StreamString response;
|
||
|
response.PutStringAsRawHex8(*name);
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
}
|
||
|
#endif
|
||
|
return SendErrorResponse(6);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qSpeedTest(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("qSpeedTest:"));
|
||
|
|
||
|
llvm::StringRef key;
|
||
|
llvm::StringRef value;
|
||
|
bool success = packet.GetNameColonValue(key, value);
|
||
|
if (success && key.equals("response_size")) {
|
||
|
uint32_t response_size = 0;
|
||
|
if (!value.getAsInteger(0, response_size)) {
|
||
|
if (response_size == 0)
|
||
|
return SendOKResponse();
|
||
|
StreamString response;
|
||
|
uint32_t bytes_left = response_size;
|
||
|
response.PutCString("data:");
|
||
|
while (bytes_left > 0) {
|
||
|
if (bytes_left >= 26) {
|
||
|
response.PutCString("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
|
||
|
bytes_left -= 26;
|
||
|
} else {
|
||
|
response.Printf("%*.*s;", bytes_left, bytes_left,
|
||
|
"ABCDEFGHIJKLMNOPQRSTUVWXYZ");
|
||
|
bytes_left = 0;
|
||
|
}
|
||
|
}
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
}
|
||
|
return SendErrorResponse(7);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_Open(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("vFile:open:"));
|
||
|
std::string path;
|
||
|
packet.GetHexByteStringTerminatedBy(path, ',');
|
||
|
if (!path.empty()) {
|
||
|
if (packet.GetChar() == ',') {
|
||
|
// FIXME
|
||
|
// The flag values for OpenOptions do not match the values used by GDB
|
||
|
// * https://sourceware.org/gdb/onlinedocs/gdb/Open-Flags.html#Open-Flags
|
||
|
// * rdar://problem/46788934
|
||
|
auto flags = File::OpenOptions(packet.GetHexMaxU32(false, 0));
|
||
|
if (packet.GetChar() == ',') {
|
||
|
mode_t mode = packet.GetHexMaxU32(false, 0600);
|
||
|
FileSpec path_spec(path);
|
||
|
FileSystem::Instance().Resolve(path_spec);
|
||
|
// Do not close fd.
|
||
|
auto file = FileSystem::Instance().Open(path_spec, flags, mode, false);
|
||
|
|
||
|
int save_errno = 0;
|
||
|
int descriptor = File::kInvalidDescriptor;
|
||
|
if (file) {
|
||
|
descriptor = file.get()->GetDescriptor();
|
||
|
} else {
|
||
|
std::error_code code = errorToErrorCode(file.takeError());
|
||
|
if (code.category() == std::system_category()) {
|
||
|
save_errno = code.value();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
StreamString response;
|
||
|
response.PutChar('F');
|
||
|
response.Printf("%i", descriptor);
|
||
|
if (save_errno)
|
||
|
response.Printf(",%i", save_errno);
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return SendErrorResponse(18);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_Close(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("vFile:close:"));
|
||
|
int fd = packet.GetS32(-1);
|
||
|
int err = -1;
|
||
|
int save_errno = 0;
|
||
|
if (fd >= 0) {
|
||
|
NativeFile file(fd, File::OpenOptions(0), true);
|
||
|
Status error = file.Close();
|
||
|
err = 0;
|
||
|
save_errno = error.GetError();
|
||
|
} else {
|
||
|
save_errno = EINVAL;
|
||
|
}
|
||
|
StreamString response;
|
||
|
response.PutChar('F');
|
||
|
response.Printf("%i", err);
|
||
|
if (save_errno)
|
||
|
response.Printf(",%i", save_errno);
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_pRead(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
StreamGDBRemote response;
|
||
|
packet.SetFilePos(::strlen("vFile:pread:"));
|
||
|
int fd = packet.GetS32(-1);
|
||
|
if (packet.GetChar() == ',') {
|
||
|
size_t count = packet.GetU64(SIZE_MAX);
|
||
|
if (packet.GetChar() == ',') {
|
||
|
off_t offset = packet.GetU64(UINT32_MAX);
|
||
|
if (count == SIZE_MAX) {
|
||
|
response.Printf("F-1:%i", EINVAL);
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
|
||
|
std::string buffer(count, 0);
|
||
|
NativeFile file(fd, File::eOpenOptionRead, false);
|
||
|
Status error = file.Read(static_cast<void *>(&buffer[0]), count, offset);
|
||
|
const ssize_t bytes_read = error.Success() ? count : -1;
|
||
|
const int save_errno = error.GetError();
|
||
|
response.PutChar('F');
|
||
|
response.Printf("%zi", bytes_read);
|
||
|
if (save_errno)
|
||
|
response.Printf(",%i", save_errno);
|
||
|
else {
|
||
|
response.PutChar(';');
|
||
|
response.PutEscapedBytes(&buffer[0], bytes_read);
|
||
|
}
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
}
|
||
|
return SendErrorResponse(21);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("vFile:pwrite:"));
|
||
|
|
||
|
StreamGDBRemote response;
|
||
|
response.PutChar('F');
|
||
|
|
||
|
int fd = packet.GetU32(UINT32_MAX);
|
||
|
if (packet.GetChar() == ',') {
|
||
|
off_t offset = packet.GetU64(UINT32_MAX);
|
||
|
if (packet.GetChar() == ',') {
|
||
|
std::string buffer;
|
||
|
if (packet.GetEscapedBinaryData(buffer)) {
|
||
|
NativeFile file(fd, File::eOpenOptionWrite, false);
|
||
|
size_t count = buffer.size();
|
||
|
Status error =
|
||
|
file.Write(static_cast<const void *>(&buffer[0]), count, offset);
|
||
|
const ssize_t bytes_written = error.Success() ? count : -1;
|
||
|
const int save_errno = error.GetError();
|
||
|
response.Printf("%zi", bytes_written);
|
||
|
if (save_errno)
|
||
|
response.Printf(",%i", save_errno);
|
||
|
} else {
|
||
|
response.Printf("-1,%i", EINVAL);
|
||
|
}
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
}
|
||
|
return SendErrorResponse(27);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_Size(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("vFile:size:"));
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
if (!path.empty()) {
|
||
|
uint64_t Size;
|
||
|
if (llvm::sys::fs::file_size(path, Size))
|
||
|
return SendErrorResponse(5);
|
||
|
StreamString response;
|
||
|
response.PutChar('F');
|
||
|
response.PutHex64(Size);
|
||
|
if (Size == UINT64_MAX) {
|
||
|
response.PutChar(',');
|
||
|
response.PutHex64(Size); // TODO: replace with Host::GetSyswideErrorCode()
|
||
|
}
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
return SendErrorResponse(22);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_Mode(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("vFile:mode:"));
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
if (!path.empty()) {
|
||
|
FileSpec file_spec(path);
|
||
|
FileSystem::Instance().Resolve(file_spec);
|
||
|
std::error_code ec;
|
||
|
const uint32_t mode = FileSystem::Instance().GetPermissions(file_spec, ec);
|
||
|
StreamString response;
|
||
|
response.Printf("F%u", mode);
|
||
|
if (mode == 0 || ec)
|
||
|
response.Printf(",%i", (int)Status(ec).GetError());
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
return SendErrorResponse(23);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_Exists(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("vFile:exists:"));
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
if (!path.empty()) {
|
||
|
bool retcode = llvm::sys::fs::exists(path);
|
||
|
StreamString response;
|
||
|
response.PutChar('F');
|
||
|
response.PutChar(',');
|
||
|
if (retcode)
|
||
|
response.PutChar('1');
|
||
|
else
|
||
|
response.PutChar('0');
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
return SendErrorResponse(24);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_symlink(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("vFile:symlink:"));
|
||
|
std::string dst, src;
|
||
|
packet.GetHexByteStringTerminatedBy(dst, ',');
|
||
|
packet.GetChar(); // Skip ',' char
|
||
|
packet.GetHexByteString(src);
|
||
|
|
||
|
FileSpec src_spec(src);
|
||
|
FileSystem::Instance().Resolve(src_spec);
|
||
|
Status error = FileSystem::Instance().Symlink(src_spec, FileSpec(dst));
|
||
|
|
||
|
StreamString response;
|
||
|
response.Printf("F%u,%u", error.GetError(), error.GetError());
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_unlink(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("vFile:unlink:"));
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
Status error(llvm::sys::fs::remove(path));
|
||
|
StreamString response;
|
||
|
response.Printf("F%u,%u", error.GetError(), error.GetError());
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qPlatform_shell(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("qPlatform_shell:"));
|
||
|
std::string path;
|
||
|
std::string working_dir;
|
||
|
packet.GetHexByteStringTerminatedBy(path, ',');
|
||
|
if (!path.empty()) {
|
||
|
if (packet.GetChar() == ',') {
|
||
|
// FIXME: add timeout to qPlatform_shell packet
|
||
|
// uint32_t timeout = packet.GetHexMaxU32(false, 32);
|
||
|
if (packet.GetChar() == ',')
|
||
|
packet.GetHexByteString(working_dir);
|
||
|
int status, signo;
|
||
|
std::string output;
|
||
|
FileSpec working_spec(working_dir);
|
||
|
FileSystem::Instance().Resolve(working_spec);
|
||
|
Status err =
|
||
|
Host::RunShellCommand(path.c_str(), working_spec, &status, &signo,
|
||
|
&output, std::chrono::seconds(10));
|
||
|
StreamGDBRemote response;
|
||
|
if (err.Fail()) {
|
||
|
response.PutCString("F,");
|
||
|
response.PutHex32(UINT32_MAX);
|
||
|
} else {
|
||
|
response.PutCString("F,");
|
||
|
response.PutHex32(status);
|
||
|
response.PutChar(',');
|
||
|
response.PutHex32(signo);
|
||
|
response.PutChar(',');
|
||
|
response.PutEscapedBytes(output.c_str(), output.size());
|
||
|
}
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
}
|
||
|
return SendErrorResponse(24);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_Stat(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
return SendUnimplementedResponse(
|
||
|
"GDBRemoteCommunicationServerCommon::Handle_vFile_Stat() unimplemented");
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_vFile_MD5(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("vFile:MD5:"));
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
if (!path.empty()) {
|
||
|
StreamGDBRemote response;
|
||
|
auto Result = llvm::sys::fs::md5_contents(path);
|
||
|
if (!Result) {
|
||
|
response.PutCString("F,");
|
||
|
response.PutCString("x");
|
||
|
} else {
|
||
|
response.PutCString("F,");
|
||
|
response.PutHex64(Result->low());
|
||
|
response.PutHex64(Result->high());
|
||
|
}
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
return SendErrorResponse(25);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qPlatform_mkdir(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("qPlatform_mkdir:"));
|
||
|
mode_t mode = packet.GetHexMaxU32(false, UINT32_MAX);
|
||
|
if (packet.GetChar() == ',') {
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
Status error(llvm::sys::fs::create_directory(path, mode));
|
||
|
|
||
|
StreamGDBRemote response;
|
||
|
response.Printf("F%u", error.GetError());
|
||
|
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
return SendErrorResponse(20);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qPlatform_chmod(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("qPlatform_chmod:"));
|
||
|
|
||
|
auto perms =
|
||
|
static_cast<llvm::sys::fs::perms>(packet.GetHexMaxU32(false, UINT32_MAX));
|
||
|
if (packet.GetChar() == ',') {
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
Status error(llvm::sys::fs::setPermissions(path, perms));
|
||
|
|
||
|
StreamGDBRemote response;
|
||
|
response.Printf("F%u", error.GetError());
|
||
|
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
return SendErrorResponse(19);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qSupported(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
StreamGDBRemote response;
|
||
|
|
||
|
// Features common to lldb-platform and llgs.
|
||
|
uint32_t max_packet_size = 128 * 1024; // 128KBytes is a reasonable max packet
|
||
|
// size--debugger can always use less
|
||
|
response.Printf("PacketSize=%x", max_packet_size);
|
||
|
|
||
|
response.PutCString(";QStartNoAckMode+");
|
||
|
response.PutCString(";QThreadSuffixSupported+");
|
||
|
response.PutCString(";QListThreadsInStopReply+");
|
||
|
response.PutCString(";qEcho+");
|
||
|
response.PutCString(";qXfer:features:read+");
|
||
|
#if defined(__linux__) || defined(__NetBSD__) || defined(__FreeBSD__)
|
||
|
response.PutCString(";QPassSignals+");
|
||
|
response.PutCString(";qXfer:auxv:read+");
|
||
|
response.PutCString(";qXfer:libraries-svr4:read+");
|
||
|
#endif
|
||
|
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QThreadSuffixSupported(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
m_thread_suffix_supported = true;
|
||
|
return SendOKResponse();
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QListThreadsInStopReply(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
m_list_threads_in_stop_reply = true;
|
||
|
return SendOKResponse();
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QSetDetachOnError(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("QSetDetachOnError:"));
|
||
|
if (packet.GetU32(0))
|
||
|
m_process_launch_info.GetFlags().Set(eLaunchFlagDetachOnError);
|
||
|
else
|
||
|
m_process_launch_info.GetFlags().Clear(eLaunchFlagDetachOnError);
|
||
|
return SendOKResponse();
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QStartNoAckMode(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
// Send response first before changing m_send_acks to we ack this packet
|
||
|
PacketResult packet_result = SendOKResponse();
|
||
|
m_send_acks = false;
|
||
|
return packet_result;
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QSetSTDIN(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("QSetSTDIN:"));
|
||
|
FileAction file_action;
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
const bool read = true;
|
||
|
const bool write = false;
|
||
|
if (file_action.Open(STDIN_FILENO, FileSpec(path), read, write)) {
|
||
|
m_process_launch_info.AppendFileAction(file_action);
|
||
|
return SendOKResponse();
|
||
|
}
|
||
|
return SendErrorResponse(15);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QSetSTDOUT(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("QSetSTDOUT:"));
|
||
|
FileAction file_action;
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
const bool read = false;
|
||
|
const bool write = true;
|
||
|
if (file_action.Open(STDOUT_FILENO, FileSpec(path), read, write)) {
|
||
|
m_process_launch_info.AppendFileAction(file_action);
|
||
|
return SendOKResponse();
|
||
|
}
|
||
|
return SendErrorResponse(16);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QSetSTDERR(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("QSetSTDERR:"));
|
||
|
FileAction file_action;
|
||
|
std::string path;
|
||
|
packet.GetHexByteString(path);
|
||
|
const bool read = false;
|
||
|
const bool write = true;
|
||
|
if (file_action.Open(STDERR_FILENO, FileSpec(path), read, write)) {
|
||
|
m_process_launch_info.AppendFileAction(file_action);
|
||
|
return SendOKResponse();
|
||
|
}
|
||
|
return SendErrorResponse(17);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qLaunchSuccess(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
if (m_process_launch_error.Success())
|
||
|
return SendOKResponse();
|
||
|
StreamString response;
|
||
|
response.PutChar('E');
|
||
|
response.PutCString(m_process_launch_error.AsCString("<unknown error>"));
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QEnvironment(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("QEnvironment:"));
|
||
|
const uint32_t bytes_left = packet.GetBytesLeft();
|
||
|
if (bytes_left > 0) {
|
||
|
m_process_launch_info.GetEnvironment().insert(packet.Peek());
|
||
|
return SendOKResponse();
|
||
|
}
|
||
|
return SendErrorResponse(12);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QEnvironmentHexEncoded(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("QEnvironmentHexEncoded:"));
|
||
|
const uint32_t bytes_left = packet.GetBytesLeft();
|
||
|
if (bytes_left > 0) {
|
||
|
std::string str;
|
||
|
packet.GetHexByteString(str);
|
||
|
m_process_launch_info.GetEnvironment().insert(str);
|
||
|
return SendOKResponse();
|
||
|
}
|
||
|
return SendErrorResponse(12);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_QLaunchArch(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("QLaunchArch:"));
|
||
|
const uint32_t bytes_left = packet.GetBytesLeft();
|
||
|
if (bytes_left > 0) {
|
||
|
const char *arch_triple = packet.Peek();
|
||
|
m_process_launch_info.SetArchitecture(
|
||
|
HostInfo::GetAugmentedArchSpec(arch_triple));
|
||
|
return SendOKResponse();
|
||
|
}
|
||
|
return SendErrorResponse(13);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_A(StringExtractorGDBRemote &packet) {
|
||
|
// The 'A' packet is the most over designed packet ever here with redundant
|
||
|
// argument indexes, redundant argument lengths and needed hex encoded
|
||
|
// argument string values. Really all that is needed is a comma separated hex
|
||
|
// encoded argument value list, but we will stay true to the documented
|
||
|
// version of the 'A' packet here...
|
||
|
|
||
|
Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS));
|
||
|
int actual_arg_index = 0;
|
||
|
|
||
|
packet.SetFilePos(1); // Skip the 'A'
|
||
|
bool success = true;
|
||
|
while (success && packet.GetBytesLeft() > 0) {
|
||
|
// Decode the decimal argument string length. This length is the number of
|
||
|
// hex nibbles in the argument string value.
|
||
|
const uint32_t arg_len = packet.GetU32(UINT32_MAX);
|
||
|
if (arg_len == UINT32_MAX)
|
||
|
success = false;
|
||
|
else {
|
||
|
// Make sure the argument hex string length is followed by a comma
|
||
|
if (packet.GetChar() != ',')
|
||
|
success = false;
|
||
|
else {
|
||
|
// Decode the argument index. We ignore this really because who would
|
||
|
// really send down the arguments in a random order???
|
||
|
const uint32_t arg_idx = packet.GetU32(UINT32_MAX);
|
||
|
if (arg_idx == UINT32_MAX)
|
||
|
success = false;
|
||
|
else {
|
||
|
// Make sure the argument index is followed by a comma
|
||
|
if (packet.GetChar() != ',')
|
||
|
success = false;
|
||
|
else {
|
||
|
// Decode the argument string value from hex bytes back into a UTF8
|
||
|
// string and make sure the length matches the one supplied in the
|
||
|
// packet
|
||
|
std::string arg;
|
||
|
if (packet.GetHexByteStringFixedLength(arg, arg_len) !=
|
||
|
(arg_len / 2))
|
||
|
success = false;
|
||
|
else {
|
||
|
// If there are any bytes left
|
||
|
if (packet.GetBytesLeft()) {
|
||
|
if (packet.GetChar() != ',')
|
||
|
success = false;
|
||
|
}
|
||
|
|
||
|
if (success) {
|
||
|
if (arg_idx == 0)
|
||
|
m_process_launch_info.GetExecutableFile().SetFile(
|
||
|
arg, FileSpec::Style::native);
|
||
|
m_process_launch_info.GetArguments().AppendArgument(arg);
|
||
|
LLDB_LOGF(log, "LLGSPacketHandler::%s added arg %d: \"%s\"",
|
||
|
__FUNCTION__, actual_arg_index, arg.c_str());
|
||
|
++actual_arg_index;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (success) {
|
||
|
m_process_launch_error = LaunchProcess();
|
||
|
if (m_process_launch_error.Success())
|
||
|
return SendOKResponse();
|
||
|
LLDB_LOG(log, "failed to launch exe: {0}", m_process_launch_error);
|
||
|
}
|
||
|
return SendErrorResponse(8);
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qEcho(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
// Just echo back the exact same packet for qEcho...
|
||
|
return SendPacketNoLock(packet.GetStringRef());
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_qModuleInfo(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
packet.SetFilePos(::strlen("qModuleInfo:"));
|
||
|
|
||
|
std::string module_path;
|
||
|
packet.GetHexByteStringTerminatedBy(module_path, ';');
|
||
|
if (module_path.empty())
|
||
|
return SendErrorResponse(1);
|
||
|
|
||
|
if (packet.GetChar() != ';')
|
||
|
return SendErrorResponse(2);
|
||
|
|
||
|
std::string triple;
|
||
|
packet.GetHexByteString(triple);
|
||
|
|
||
|
ModuleSpec matched_module_spec = GetModuleInfo(module_path, triple);
|
||
|
if (!matched_module_spec.GetFileSpec())
|
||
|
return SendErrorResponse(3);
|
||
|
|
||
|
const auto file_offset = matched_module_spec.GetObjectOffset();
|
||
|
const auto file_size = matched_module_spec.GetObjectSize();
|
||
|
const auto uuid_str = matched_module_spec.GetUUID().GetAsString("");
|
||
|
|
||
|
StreamGDBRemote response;
|
||
|
|
||
|
if (uuid_str.empty()) {
|
||
|
auto Result = llvm::sys::fs::md5_contents(
|
||
|
matched_module_spec.GetFileSpec().GetPath());
|
||
|
if (!Result)
|
||
|
return SendErrorResponse(5);
|
||
|
response.PutCString("md5:");
|
||
|
response.PutStringAsRawHex8(Result->digest());
|
||
|
} else {
|
||
|
response.PutCString("uuid:");
|
||
|
response.PutStringAsRawHex8(uuid_str);
|
||
|
}
|
||
|
response.PutChar(';');
|
||
|
|
||
|
const auto &module_arch = matched_module_spec.GetArchitecture();
|
||
|
response.PutCString("triple:");
|
||
|
response.PutStringAsRawHex8(module_arch.GetTriple().getTriple());
|
||
|
response.PutChar(';');
|
||
|
|
||
|
response.PutCString("file_path:");
|
||
|
response.PutStringAsRawHex8(matched_module_spec.GetFileSpec().GetCString());
|
||
|
response.PutChar(';');
|
||
|
response.PutCString("file_offset:");
|
||
|
response.PutHex64(file_offset);
|
||
|
response.PutChar(';');
|
||
|
response.PutCString("file_size:");
|
||
|
response.PutHex64(file_size);
|
||
|
response.PutChar(';');
|
||
|
|
||
|
return SendPacketNoLock(response.GetString());
|
||
|
}
|
||
|
|
||
|
GDBRemoteCommunication::PacketResult
|
||
|
GDBRemoteCommunicationServerCommon::Handle_jModulesInfo(
|
||
|
StringExtractorGDBRemote &packet) {
|
||
|
namespace json = llvm::json;
|
||
|
|
||
|
packet.SetFilePos(::strlen("jModulesInfo:"));
|
||
|
|
||
|
StructuredData::ObjectSP object_sp = StructuredData::ParseJSON(packet.Peek());
|
||
|
if (!object_sp)
|
||
|
return SendErrorResponse(1);
|
||
|
|
||
|
StructuredData::Array *packet_array = object_sp->GetAsArray();
|
||
|
if (!packet_array)
|
||
|
return SendErrorResponse(2);
|
||
|
|
||
|
json::Array response_array;
|
||
|
for (size_t i = 0; i < packet_array->GetSize(); ++i) {
|
||
|
StructuredData::Dictionary *query =
|
||
|
packet_array->GetItemAtIndex(i)->GetAsDictionary();
|
||
|
if (!query)
|
||
|
continue;
|
||
|
llvm::StringRef file, triple;
|
||
|
if (!query->GetValueForKeyAsString("file", file) ||
|
||
|
!query->GetValueForKeyAsString("triple", triple))
|
||
|
continue;
|
||
|
|
||
|
ModuleSpec matched_module_spec = GetModuleInfo(file, triple);
|
||
|
if (!matched_module_spec.GetFileSpec())
|
||
|
continue;
|
||
|
|
||
|
const auto file_offset = matched_module_spec.GetObjectOffset();
|
||
|
const auto file_size = matched_module_spec.GetObjectSize();
|
||
|
const auto uuid_str = matched_module_spec.GetUUID().GetAsString("");
|
||
|
if (uuid_str.empty())
|
||
|
continue;
|
||
|
const auto triple_str =
|
||
|
matched_module_spec.GetArchitecture().GetTriple().getTriple();
|
||
|
const auto file_path = matched_module_spec.GetFileSpec().GetPath();
|
||
|
|
||
|
json::Object response{{"uuid", uuid_str},
|
||
|
{"triple", triple_str},
|
||
|
{"file_path", file_path},
|
||
|
{"file_offset", static_cast<int64_t>(file_offset)},
|
||
|
{"file_size", static_cast<int64_t>(file_size)}};
|
||
|
response_array.push_back(std::move(response));
|
||
|
}
|
||
|
|
||
|
StreamString response;
|
||
|
response.AsRawOstream() << std::move(response_array);
|
||
|
StreamGDBRemote escaped_response;
|
||
|
escaped_response.PutEscapedBytes(response.GetString().data(),
|
||
|
response.GetSize());
|
||
|
return SendPacketNoLock(escaped_response.GetString());
|
||
|
}
|
||
|
|
||
|
void GDBRemoteCommunicationServerCommon::CreateProcessInfoResponse(
|
||
|
const ProcessInstanceInfo &proc_info, StreamString &response) {
|
||
|
response.Printf(
|
||
|
"pid:%" PRIu64 ";ppid:%" PRIu64 ";uid:%i;gid:%i;euid:%i;egid:%i;",
|
||
|
proc_info.GetProcessID(), proc_info.GetParentProcessID(),
|
||
|
proc_info.GetUserID(), proc_info.GetGroupID(),
|
||
|
proc_info.GetEffectiveUserID(), proc_info.GetEffectiveGroupID());
|
||
|
response.PutCString("name:");
|
||
|
response.PutStringAsRawHex8(proc_info.GetExecutableFile().GetCString());
|
||
|
|
||
|
response.PutChar(';');
|
||
|
response.PutCString("args:");
|
||
|
response.PutStringAsRawHex8(proc_info.GetArg0());
|
||
|
for (auto &arg : proc_info.GetArguments()) {
|
||
|
response.PutChar('-');
|
||
|
response.PutStringAsRawHex8(arg.ref());
|
||
|
}
|
||
|
|
||
|
response.PutChar(';');
|
||
|
const ArchSpec &proc_arch = proc_info.GetArchitecture();
|
||
|
if (proc_arch.IsValid()) {
|
||
|
const llvm::Triple &proc_triple = proc_arch.GetTriple();
|
||
|
response.PutCString("triple:");
|
||
|
response.PutStringAsRawHex8(proc_triple.getTriple());
|
||
|
response.PutChar(';');
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void GDBRemoteCommunicationServerCommon::
|
||
|
CreateProcessInfoResponse_DebugServerStyle(
|
||
|
const ProcessInstanceInfo &proc_info, StreamString &response) {
|
||
|
response.Printf("pid:%" PRIx64 ";parent-pid:%" PRIx64
|
||
|
";real-uid:%x;real-gid:%x;effective-uid:%x;effective-gid:%x;",
|
||
|
proc_info.GetProcessID(), proc_info.GetParentProcessID(),
|
||
|
proc_info.GetUserID(), proc_info.GetGroupID(),
|
||
|
proc_info.GetEffectiveUserID(),
|
||
|
proc_info.GetEffectiveGroupID());
|
||
|
|
||
|
const ArchSpec &proc_arch = proc_info.GetArchitecture();
|
||
|
if (proc_arch.IsValid()) {
|
||
|
const llvm::Triple &proc_triple = proc_arch.GetTriple();
|
||
|
#if defined(__APPLE__)
|
||
|
// We'll send cputype/cpusubtype.
|
||
|
const uint32_t cpu_type = proc_arch.GetMachOCPUType();
|
||
|
if (cpu_type != 0)
|
||
|
response.Printf("cputype:%" PRIx32 ";", cpu_type);
|
||
|
|
||
|
const uint32_t cpu_subtype = proc_arch.GetMachOCPUSubType();
|
||
|
if (cpu_subtype != 0)
|
||
|
response.Printf("cpusubtype:%" PRIx32 ";", cpu_subtype);
|
||
|
|
||
|
const std::string vendor = proc_triple.getVendorName().str();
|
||
|
if (!vendor.empty())
|
||
|
response.Printf("vendor:%s;", vendor.c_str());
|
||
|
#else
|
||
|
// We'll send the triple.
|
||
|
response.PutCString("triple:");
|
||
|
response.PutStringAsRawHex8(proc_triple.getTriple());
|
||
|
response.PutChar(';');
|
||
|
#endif
|
||
|
std::string ostype = std::string(proc_triple.getOSName());
|
||
|
// Adjust so ostype reports ios for Apple/ARM and Apple/ARM64.
|
||
|
if (proc_triple.getVendor() == llvm::Triple::Apple) {
|
||
|
switch (proc_triple.getArch()) {
|
||
|
case llvm::Triple::arm:
|
||
|
case llvm::Triple::thumb:
|
||
|
case llvm::Triple::aarch64:
|
||
|
case llvm::Triple::aarch64_32:
|
||
|
ostype = "ios";
|
||
|
break;
|
||
|
default:
|
||
|
// No change.
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
response.Printf("ostype:%s;", ostype.c_str());
|
||
|
|
||
|
switch (proc_arch.GetByteOrder()) {
|
||
|
case lldb::eByteOrderLittle:
|
||
|
response.PutCString("endian:little;");
|
||
|
break;
|
||
|
case lldb::eByteOrderBig:
|
||
|
response.PutCString("endian:big;");
|
||
|
break;
|
||
|
case lldb::eByteOrderPDP:
|
||
|
response.PutCString("endian:pdp;");
|
||
|
break;
|
||
|
default:
|
||
|
// Nothing.
|
||
|
break;
|
||
|
}
|
||
|
// In case of MIPS64, pointer size is depend on ELF ABI For N32 the pointer
|
||
|
// size is 4 and for N64 it is 8
|
||
|
std::string abi = proc_arch.GetTargetABI();
|
||
|
if (!abi.empty())
|
||
|
response.Printf("elf_abi:%s;", abi.c_str());
|
||
|
response.Printf("ptrsize:%d;", proc_arch.GetAddressByteSize());
|
||
|
}
|
||
|
}
|
||
|
|
||
|
FileSpec GDBRemoteCommunicationServerCommon::FindModuleFile(
|
||
|
const std::string &module_path, const ArchSpec &arch) {
|
||
|
#ifdef __ANDROID__
|
||
|
return HostInfoAndroid::ResolveLibraryPath(module_path, arch);
|
||
|
#else
|
||
|
FileSpec file_spec(module_path);
|
||
|
FileSystem::Instance().Resolve(file_spec);
|
||
|
return file_spec;
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
ModuleSpec
|
||
|
GDBRemoteCommunicationServerCommon::GetModuleInfo(llvm::StringRef module_path,
|
||
|
llvm::StringRef triple) {
|
||
|
ArchSpec arch(triple);
|
||
|
|
||
|
FileSpec req_module_path_spec(module_path);
|
||
|
FileSystem::Instance().Resolve(req_module_path_spec);
|
||
|
|
||
|
const FileSpec module_path_spec =
|
||
|
FindModuleFile(req_module_path_spec.GetPath(), arch);
|
||
|
const ModuleSpec module_spec(module_path_spec, arch);
|
||
|
|
||
|
ModuleSpecList module_specs;
|
||
|
if (!ObjectFile::GetModuleSpecifications(module_path_spec, 0, 0,
|
||
|
module_specs))
|
||
|
return ModuleSpec();
|
||
|
|
||
|
ModuleSpec matched_module_spec;
|
||
|
if (!module_specs.FindMatchingModuleSpec(module_spec, matched_module_spec))
|
||
|
return ModuleSpec();
|
||
|
|
||
|
return matched_module_spec;
|
||
|
}
|