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https://github.com/Gericom/teak-llvm.git
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ef5c6d02f5
ReadThread stuff into the main Process class (out of the Process Plugins). This has the (intended) side effect of disabling the command line tool from reading input/commands while the process is running (the input is directed to the running process rather than to the command interpreter). llvm-svn: 119329
399 lines
13 KiB
C++
399 lines
13 KiB
C++
//===-- ProcessGDBRemote.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_ProcessGDBRemote_h_
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#define liblldb_ProcessGDBRemote_h_
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// C Includes
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// C++ Includes
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#include <list>
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// Other libraries and framework includes
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#include "lldb/Core/ArchSpec.h"
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#include "lldb/Core/Broadcaster.h"
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#include "lldb/Core/Error.h"
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#include "lldb/Core/InputReader.h"
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#include "lldb/Core/StreamString.h"
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#include "lldb/Core/StringList.h"
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#include "lldb/Core/ThreadSafeValue.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Thread.h"
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#include "GDBRemoteCommunication.h"
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#include "Utility/StringExtractor.h"
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#include "GDBRemoteRegisterContext.h"
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#include "libunwind/include/libunwind.h"
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class ThreadGDBRemote;
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class ProcessGDBRemote : public lldb_private::Process
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{
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public:
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//------------------------------------------------------------------
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// Constructors and Destructors
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//------------------------------------------------------------------
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static Process*
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CreateInstance (lldb_private::Target& target, lldb_private::Listener &listener);
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static void
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Initialize();
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static void
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Terminate();
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static const char *
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GetPluginNameStatic();
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static const char *
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GetPluginDescriptionStatic();
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//------------------------------------------------------------------
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// Constructors and Destructors
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//------------------------------------------------------------------
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ProcessGDBRemote(lldb_private::Target& target, lldb_private::Listener &listener);
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virtual
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~ProcessGDBRemote();
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//------------------------------------------------------------------
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// Check if a given Process
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//------------------------------------------------------------------
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virtual bool
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CanDebug (lldb_private::Target &target);
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virtual uint32_t
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ListProcessesMatchingName (const char *name, lldb_private::StringList &matches, std::vector<lldb::pid_t> &pids);
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//------------------------------------------------------------------
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// Creating a new process, or attaching to an existing one
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//------------------------------------------------------------------
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virtual lldb_private::Error
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WillLaunch (lldb_private::Module* module);
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virtual lldb_private::Error
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DoLaunch (lldb_private::Module* module,
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char const *argv[], // Can be NULL
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char const *envp[], // Can be NULL
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uint32_t flags,
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const char *stdin_path, // Can be NULL
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const char *stdout_path, // Can be NULL
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const char *stderr_path); // Can be NULL
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virtual void
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DidLaunch ();
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virtual lldb_private::Error
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WillAttach (lldb::pid_t pid);
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virtual lldb_private::Error
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WillAttach (const char *process_name, bool wait_for_launch);
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lldb_private::Error
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WillLaunchOrAttach ();
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virtual lldb_private::Error
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DoAttachToProcessWithID (lldb::pid_t pid);
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virtual lldb_private::Error
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DoAttachToProcessWithName (const char *process_name, bool wait_for_launch);
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virtual void
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DidAttach ();
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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virtual const char *
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GetPluginName();
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virtual const char *
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GetShortPluginName();
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virtual uint32_t
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GetPluginVersion();
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virtual void
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GetPluginCommandHelp (const char *command, lldb_private::Stream *strm);
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virtual lldb_private::Error
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ExecutePluginCommand (lldb_private::Args &command, lldb_private::Stream *strm);
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virtual lldb_private::Log *
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EnablePluginLogging (lldb_private::Stream *strm, lldb_private::Args &command);
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//------------------------------------------------------------------
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// Process Control
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//------------------------------------------------------------------
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virtual lldb_private::Error
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WillResume ();
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virtual lldb_private::Error
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DoResume ();
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virtual lldb_private::Error
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DoHalt ();
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virtual lldb_private::Error
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WillDetach ();
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virtual lldb_private::Error
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DoDetach ();
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virtual lldb_private::Error
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DoSignal (int signal);
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virtual lldb_private::Error
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DoDestroy ();
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virtual void
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RefreshStateAfterStop();
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//------------------------------------------------------------------
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// Process Queries
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//------------------------------------------------------------------
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virtual bool
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IsAlive ();
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virtual lldb::addr_t
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GetImageInfoAddress();
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//------------------------------------------------------------------
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// Process Memory
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//------------------------------------------------------------------
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virtual size_t
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DoReadMemory (lldb::addr_t addr, void *buf, size_t size, lldb_private::Error &error);
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virtual size_t
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DoWriteMemory (lldb::addr_t addr, const void *buf, size_t size, lldb_private::Error &error);
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virtual lldb::addr_t
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DoAllocateMemory (size_t size, uint32_t permissions, lldb_private::Error &error);
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virtual lldb_private::Error
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DoDeallocateMemory (lldb::addr_t ptr);
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//------------------------------------------------------------------
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// Process STDIO
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//------------------------------------------------------------------
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virtual size_t
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GetSTDOUT (char *buf, size_t buf_size, lldb_private::Error &error);
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virtual size_t
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GetSTDERR (char *buf, size_t buf_size, lldb_private::Error &error);
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virtual size_t
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PutSTDIN (const char *buf, size_t buf_size, lldb_private::Error &error);
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//----------------------------------------------------------------------
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// Process Breakpoints
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//----------------------------------------------------------------------
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virtual size_t
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GetSoftwareBreakpointTrapOpcode (lldb_private::BreakpointSite *bp_site);
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//----------------------------------------------------------------------
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// Process Breakpoints
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//----------------------------------------------------------------------
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virtual lldb_private::Error
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EnableBreakpoint (lldb_private::BreakpointSite *bp_site);
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virtual lldb_private::Error
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DisableBreakpoint (lldb_private::BreakpointSite *bp_site);
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//----------------------------------------------------------------------
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// Process Watchpoints
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//----------------------------------------------------------------------
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virtual lldb_private::Error
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EnableWatchpoint (lldb_private::WatchpointLocation *wp_loc);
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virtual lldb_private::Error
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DisableWatchpoint (lldb_private::WatchpointLocation *wp_loc);
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virtual lldb::ByteOrder
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GetByteOrder () const;
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virtual lldb_private::DynamicLoader *
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GetDynamicLoader ();
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protected:
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friend class ThreadGDBRemote;
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friend class GDBRemoteCommunication;
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friend class GDBRemoteRegisterContext;
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bool
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SetCurrentGDBRemoteThread (int tid);
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bool
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SetCurrentGDBRemoteThreadForRun (int tid);
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//----------------------------------------------------------------------
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// Accessors
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//----------------------------------------------------------------------
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bool
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IsRunning ( lldb::StateType state )
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{
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return state == lldb::eStateRunning || IsStepping(state);
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}
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bool
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IsStepping ( lldb::StateType state)
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{
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return state == lldb::eStateStepping;
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}
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bool
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CanResume ( lldb::StateType state)
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{
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return state == lldb::eStateStopped;
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}
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bool
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HasExited (lldb::StateType state)
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{
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return state == lldb::eStateExited;
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}
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bool
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ProcessIDIsValid ( ) const;
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// static void
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// STDIOReadThreadBytesReceived (void *baton, const void *src, size_t src_len);
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// void
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// AppendSTDOUT (const char* s, size_t len);
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void
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Clear ( );
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lldb_private::Flags &
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GetFlags ()
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{
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return m_flags;
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}
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const lldb_private::Flags &
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GetFlags () const
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{
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return m_flags;
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}
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uint32_t
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UpdateThreadListIfNeeded ();
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lldb_private::Error
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StartDebugserverProcess (const char *debugserver_url, // The connection string to use in the spawned debugserver ("localhost:1234" or "/dev/tty...")
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char const *inferior_argv[],
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char const *inferior_envp[],
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const char *stdin_path,
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bool launch_process, // Set to true if we are going to be launching a the process
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lldb::pid_t attach_pid, // If inferior inferior_argv == NULL, then attach to this pid
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const char *attach_pid_name, // Wait for the next process to launch whose basename matches "attach_wait_name"
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bool wait_for_launch, // Wait for the process named "attach_wait_name" to launch
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bool disable_aslr, // Disable ASLR
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lldb_private::ArchSpec& arch_spec);
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void
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KillDebugserverProcess ();
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void
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BuildDynamicRegisterInfo ();
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GDBRemoteCommunication &
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GetGDBRemote()
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{
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return m_gdb_comm;
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}
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//------------------------------------------------------------------
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/// Broadcaster event bits definitions.
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//------------------------------------------------------------------
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enum
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{
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eBroadcastBitAsyncContinue = (1 << 0),
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eBroadcastBitAsyncThreadShouldExit = (1 << 1)
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};
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std::auto_ptr<lldb_private::DynamicLoader> m_dynamic_loader_ap;
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lldb_private::Flags m_flags; // Process specific flags (see eFlags enums)
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lldb_private::Mutex m_stdio_mutex; // Multithreaded protection for stdio
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lldb::ByteOrder m_byte_order;
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GDBRemoteCommunication m_gdb_comm;
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lldb::pid_t m_debugserver_pid;
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lldb::thread_t m_debugserver_thread;
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StringExtractor m_last_stop_packet;
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GDBRemoteDynamicRegisterInfo m_register_info;
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lldb_private::Broadcaster m_async_broadcaster;
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lldb::thread_t m_async_thread;
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// Current GDB remote state. Any members added here need to be reset to
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// proper default values in ResetGDBRemoteState ().
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lldb::tid_t m_curr_tid; // Current gdb remote protocol thread index for all other operations
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lldb::tid_t m_curr_tid_run; // Current gdb remote protocol thread index for continue, step, etc
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uint32_t m_z0_supported:1; // Set to non-zero if Z0 and z0 packets are supported
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lldb_private::StreamString m_continue_packet;
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lldb::addr_t m_dispatch_queue_offsets_addr;
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uint32_t m_packet_timeout;
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size_t m_max_memory_size; // The maximum number of bytes to read/write when reading and writing memory
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lldb_private::unw_targettype_t m_libunwind_target_type;
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lldb_private::unw_addr_space_t m_libunwind_addr_space; // libunwind address space object for this process.
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bool m_waiting_for_attach;
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bool m_local_debugserver; // Is the debugserver process we are talking to local or on another machine.
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void
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ResetGDBRemoteState ();
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bool
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StartAsyncThread ();
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void
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StopAsyncThread ();
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static void *
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AsyncThread (void *arg);
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static bool
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MonitorDebugserverProcess (void *callback_baton,
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lldb::pid_t pid,
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int signo, // Zero for no signal
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int exit_status); // Exit value of process if signal is zero
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lldb::StateType
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SetThreadStopInfo (StringExtractor& stop_packet);
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void
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DidLaunchOrAttach ();
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lldb_private::Error
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ConnectToDebugserver (const char *host_port);
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const char *
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GetDispatchQueueNameForThread (lldb::addr_t thread_dispatch_qaddr,
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std::string &dispatch_queue_name);
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static size_t
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AttachInputReaderCallback (void *baton,
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lldb_private::InputReader *reader,
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lldb::InputReaderAction notification,
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const char *bytes,
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size_t bytes_len);
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private:
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//------------------------------------------------------------------
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// For ProcessGDBRemote only
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//------------------------------------------------------------------
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DISALLOW_COPY_AND_ASSIGN (ProcessGDBRemote);
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lldb_private::unw_addr_space_t
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GetLibUnwindAddressSpace ();
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void
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DestoryLibUnwindAddressSpace ();
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};
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#endif // liblldb_ProcessGDBRemote_h_
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