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https://github.com/capstone-engine/llvm-capstone.git
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f17635375a
Summary: This removes the last usage of Platform plugins in lldb-server -- it was used for launching child processes, where it can be trivially replaced by Host::LaunchProces (as lldb-server is always running on the host). Removing platform plugins enables us to remove a lot of other unused code, which was pulled in as a transitive dependency, and it reduces lldb-server size by 4%--9% (depending on build type and architecture). Reviewers: clayborg Subscribers: tberghammer, danalbert, srhines, lldb-commits Differential Revision: http://reviews.llvm.org/D20440 llvm-svn: 274125
137 lines
3.7 KiB
C++
137 lines
3.7 KiB
C++
//===-- GDBRemoteCommunicationServerPlatform.h ------------------*- 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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#ifndef liblldb_GDBRemoteCommunicationServerPlatform_h_
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#define liblldb_GDBRemoteCommunicationServerPlatform_h_
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// C Includes
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// C++ Includes
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#include <map>
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#include <mutex>
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#include <set>
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// Other libraries and framework includes
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// Project includes
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#include "GDBRemoteCommunicationServerCommon.h"
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#include "lldb/Host/Socket.h"
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namespace lldb_private {
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namespace process_gdb_remote {
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class GDBRemoteCommunicationServerPlatform :
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public GDBRemoteCommunicationServerCommon
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{
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public:
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typedef std::map<uint16_t, lldb::pid_t> PortMap;
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GDBRemoteCommunicationServerPlatform(const Socket::SocketProtocol socket_protocol,
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const char* socket_scheme);
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~GDBRemoteCommunicationServerPlatform() override;
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Error
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LaunchProcess () override;
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// Set both ports to zero to let the platform automatically bind to
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// a port chosen by the OS.
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void
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SetPortMap (PortMap &&port_map);
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//----------------------------------------------------------------------
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// If we are using a port map where we can only use certain ports,
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// get the next available port.
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//
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// If we are using a port map and we are out of ports, return UINT16_MAX
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//
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// If we aren't using a port map, return 0 to indicate we should bind to
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// port 0 and then figure out which port we used.
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//----------------------------------------------------------------------
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uint16_t
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GetNextAvailablePort ();
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bool
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AssociatePortWithProcess (uint16_t port, lldb::pid_t pid);
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bool
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FreePort (uint16_t port);
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bool
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FreePortForProcess (lldb::pid_t pid);
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void
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SetPortOffset (uint16_t port_offset);
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void
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SetInferiorArguments (const lldb_private::Args& args);
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Error
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LaunchGDBServer(const lldb_private::Args& args,
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std::string hostname,
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lldb::pid_t& pid,
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uint16_t& port,
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std::string& socket_name);
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void
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SetPendingGdbServer(lldb::pid_t pid, uint16_t port, const std::string& socket_name);
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protected:
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const Socket::SocketProtocol m_socket_protocol;
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const std::string m_socket_scheme;
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std::recursive_mutex m_spawned_pids_mutex;
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std::set<lldb::pid_t> m_spawned_pids;
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PortMap m_port_map;
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uint16_t m_port_offset;
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struct { lldb::pid_t pid; uint16_t port; std::string socket_name; } m_pending_gdb_server;
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PacketResult
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Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet);
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PacketResult
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Handle_qQueryGDBServer (StringExtractorGDBRemote &packet);
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PacketResult
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Handle_qKillSpawnedProcess (StringExtractorGDBRemote &packet);
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PacketResult
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Handle_qProcessInfo (StringExtractorGDBRemote &packet);
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PacketResult
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Handle_qGetWorkingDir (StringExtractorGDBRemote &packet);
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PacketResult
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Handle_QSetWorkingDir (StringExtractorGDBRemote &packet);
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PacketResult
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Handle_qC (StringExtractorGDBRemote &packet);
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PacketResult
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Handle_jSignalsInfo(StringExtractorGDBRemote &packet);
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private:
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bool
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KillSpawnedProcess (lldb::pid_t pid);
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bool
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DebugserverProcessReaped (lldb::pid_t pid);
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static const FileSpec&
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GetDomainSocketDir();
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static FileSpec
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GetDomainSocketPath(const char* prefix);
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DISALLOW_COPY_AND_ASSIGN (GDBRemoteCommunicationServerPlatform);
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};
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} // namespace process_gdb_remote
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} // namespace lldb_private
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#endif // liblldb_GDBRemoteCommunicationServerPlatform_h_
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