c982c768d2
enabled LLVM make style building and made this compile LLDB on Mac OS X. We can now iterate on this to make the build work on both linux and macosx. llvm-svn: 108009
405 lines
12 KiB
C++
405 lines
12 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/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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//------------------------------------------------------------------
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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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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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lldb_private::ArchSpec&
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GetArchSpec()
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{
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return m_arch_spec;
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}
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const lldb_private::ArchSpec&
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GetArchSpec() const
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{
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return m_arch_spec;
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}
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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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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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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::Communication m_stdio_communication;
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lldb_private::Mutex m_stdio_mutex; // Multithreaded protection for stdio
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std::string m_stdout_data;
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lldb_private::ArchSpec m_arch_spec;
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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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uint32_t m_debugserver_monitor;
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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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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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