1 //===-- GDBRemoteCommunicationClient.h --------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_GDBRemoteCommunicationClient_h_
11 #define liblldb_GDBRemoteCommunicationClient_h_
17 // Other libraries and framework includes
19 #include "lldb/Core/ArchSpec.h"
20 #include "lldb/Target/Process.h"
22 #include "GDBRemoteCommunication.h"
26 eBreakpointSoftware = 0,
33 class GDBRemoteCommunicationClient : public GDBRemoteCommunication
36 //------------------------------------------------------------------
37 // Constructors and Destructors
38 //------------------------------------------------------------------
39 GDBRemoteCommunicationClient(bool is_platform);
42 ~GDBRemoteCommunicationClient();
44 //------------------------------------------------------------------
45 // After connecting, send the handshake to the server to make sure
46 // we are communicating with it.
47 //------------------------------------------------------------------
49 HandshakeWithServer (lldb_private::Error *error_ptr);
52 SendPacketAndWaitForResponse (const char *send_payload,
53 StringExtractorGDBRemote &response,
57 SendPacketAndWaitForResponse (const char *send_payload,
59 StringExtractorGDBRemote &response,
63 SendContinuePacketAndWaitForResponse (ProcessGDBRemote *process,
64 const char *packet_payload,
66 StringExtractorGDBRemote &response);
69 GetThreadSuffixSupported ();
72 QueryNoAckModeSupported ();
75 GetListThreadsInStopReplySupported ();
78 SendAsyncSignal (int signo);
81 SendInterrupt (lldb_private::Mutex::Locker &locker,
82 uint32_t seconds_to_wait_for_stop,
86 GetCurrentProcessID ();
89 GetLaunchSuccess (std::string &error_str);
92 LaunchGDBserverAndGetPort (lldb::pid_t &pid);
95 KillSpawnedProcess (lldb::pid_t pid);
97 //------------------------------------------------------------------
98 /// Sends a GDB remote protocol 'A' packet that delivers program
99 /// arguments to the remote server.
102 /// A NULL terminated array of const C strings to use as the
106 /// Zero if the response was "OK", a positive value if the
107 /// the response was "Exx" where xx are two hex digits, or
108 /// -1 if the call is unsupported or any other unexpected
109 /// response was received.
110 //------------------------------------------------------------------
112 SendArgumentsPacket (char const *argv[]);
114 //------------------------------------------------------------------
115 /// Sends a "QEnvironment:NAME=VALUE" packet that will build up the
116 /// environment that will get used when launching an application
117 /// in conjunction with the 'A' packet. This function can be called
118 /// multiple times in a row in order to pass on the desired
119 /// environment that the inferior should be launched with.
121 /// @param[in] name_equal_value
122 /// A NULL terminated C string that contains a single environment
123 /// in the format "NAME=VALUE".
126 /// Zero if the response was "OK", a positive value if the
127 /// the response was "Exx" where xx are two hex digits, or
128 /// -1 if the call is unsupported or any other unexpected
129 /// response was received.
130 //------------------------------------------------------------------
132 SendEnvironmentPacket (char const *name_equal_value);
135 SendLaunchArchPacket (const char *arch);
136 //------------------------------------------------------------------
137 /// Sends a "vAttach:PID" where PID is in hex.
140 /// A process ID for the remote gdb server to attach to.
142 /// @param[out] response
143 /// The response received from the gdb server. If the return
144 /// value is zero, \a response will contain a stop reply
148 /// Zero if the attach was successful, or an error indicating
150 //------------------------------------------------------------------
152 SendAttach (lldb::pid_t pid,
153 StringExtractorGDBRemote& response);
156 //------------------------------------------------------------------
157 /// Sets the path to use for stdin/out/err for a process
158 /// that will be launched with the 'A' packet.
161 /// The path to use for stdin/out/err
164 /// Zero if the for success, or an error code for failure.
165 //------------------------------------------------------------------
167 SetSTDIN (char const *path);
169 SetSTDOUT (char const *path);
171 SetSTDERR (char const *path);
173 //------------------------------------------------------------------
174 /// Sets the disable ASLR flag to \a enable for a process that will
175 /// be launched with the 'A' packet.
177 /// @param[in] enable
178 /// A boolean value indicating wether to disable ASLR or not.
181 /// Zero if the for success, or an error code for failure.
182 //------------------------------------------------------------------
184 SetDisableASLR (bool enable);
186 //------------------------------------------------------------------
187 /// Sets the working directory to \a path for a process that will
188 /// be launched with the 'A' packet.
191 /// The path to a directory to use when launching our processs
194 /// Zero if the for success, or an error code for failure.
195 //------------------------------------------------------------------
197 SetWorkingDir (char const *path);
200 AllocateMemory (size_t size, uint32_t permissions);
203 DeallocateMemory (lldb::addr_t addr);
206 Detach (bool keep_stopped);
209 GetMemoryRegionInfo (lldb::addr_t addr,
210 lldb_private::MemoryRegionInfo &range_info);
213 GetWatchpointSupportInfo (uint32_t &num);
216 GetWatchpointSupportInfo (uint32_t &num, bool& after);
219 GetWatchpointsTriggerAfterInstruction (bool &after);
221 const lldb_private::ArchSpec &
222 GetHostArchitecture ();
225 GetHostDefaultPacketTimeout();
227 const lldb_private::ArchSpec &
228 GetProcessArchitecture ();
231 GetVContSupported (char flavor);
234 GetpPacketSupported (lldb::tid_t tid);
237 GetVAttachOrWaitSupported ();
240 GetSyncThreadStateSupported();
243 ResetDiscoverableSettings();
246 GetHostInfo (bool force = false);
249 GetOSVersion (uint32_t &major,
254 GetOSBuildString (std::string &s);
257 GetOSKernelDescription (std::string &s);
259 lldb_private::ArchSpec
260 GetSystemArchitecture ();
263 GetHostname (std::string &s);
269 GetSupportsThreadSuffix ();
272 GetProcessInfo (lldb::pid_t pid,
273 lldb_private::ProcessInstanceInfo &process_info);
276 FindProcesses (const lldb_private::ProcessInstanceInfoMatch &process_match_info,
277 lldb_private::ProcessInstanceInfoList &process_infos);
280 GetUserName (uint32_t uid, std::string &name);
283 GetGroupName (uint32_t gid, std::string &name);
286 HasFullVContSupport ()
288 return GetVContSupported ('A');
292 HasAnyVContSupport ()
294 return GetVContSupported ('a');
298 GetStopReply (StringExtractorGDBRemote &response);
301 GetThreadStopInfo (lldb::tid_t tid,
302 StringExtractorGDBRemote &response);
305 SupportsGDBStoppointPacket (GDBStoppointType type)
309 case eBreakpointSoftware: return m_supports_z0;
310 case eBreakpointHardware: return m_supports_z1;
311 case eWatchpointWrite: return m_supports_z2;
312 case eWatchpointRead: return m_supports_z3;
313 case eWatchpointReadWrite: return m_supports_z4;
318 SendGDBStoppointTypePacket (GDBStoppointType type, // Type of breakpoint or watchpoint
319 bool insert, // Insert or remove?
320 lldb::addr_t addr, // Address of breakpoint or watchpoint
321 uint32_t length); // Byte Size of breakpoint or watchpoint
324 TestPacketSpeed (const uint32_t num_packets);
326 // This packet is for testing the speed of the interface only. Both
327 // the client and server need to support it, but this allows us to
328 // measure the packet speed without any other work being done on the
329 // other end and avoids any of that work affecting the packet send
330 // and response times.
332 SendSpeedTestPacket (uint32_t send_size,
336 SetCurrentThread (uint64_t tid);
339 SetCurrentThreadForRun (uint64_t tid);
341 lldb_private::LazyBool
342 SupportsAllocDeallocMemory () // const
344 // Uncomment this to have lldb pretend the debug server doesn't respond to alloc/dealloc memory packets.
345 // m_supports_alloc_dealloc_memory = lldb_private::eLazyBoolNo;
346 return m_supports_alloc_dealloc_memory;
350 GetCurrentThreadIDs (std::vector<lldb::tid_t> &thread_ids,
351 bool &sequence_mutex_unavailable);
354 GetInterruptWasSent () const
356 return m_interrupt_sent;
359 virtual lldb::user_id_t
360 OpenFile (const lldb_private::FileSpec& file_spec,
363 lldb_private::Error &error);
366 CloseFile (lldb::user_id_t fd,
367 lldb_private::Error &error);
369 virtual lldb::user_id_t
370 GetFileSize (const lldb_private::FileSpec& file_spec);
373 GetFilePermissions(const lldb_private::FileSpec& file_spec,
374 lldb_private::Error &error);
377 ReadFile (lldb::user_id_t fd,
381 lldb_private::Error &error);
384 WriteFile (lldb::user_id_t fd,
388 lldb_private::Error &error);
391 MakeDirectory (const std::string &path,
395 GetFileExists (const lldb_private::FileSpec& file_spec);
397 virtual lldb_private::Error
398 RunShellCommand (const char *command, // Shouldn't be NULL
399 const char *working_dir, // Pass NULL to use the current working directory
400 int *status_ptr, // Pass NULL if you don't want the process exit status
401 int *signo_ptr, // Pass NULL if you don't want the signal that caused the process to exit
402 std::string *command_output, // Pass NULL if you don't want the command output
403 uint32_t timeout_sec); // Timeout in seconds to wait for shell program to finish
406 CalculateMD5 (const lldb_private::FileSpec& file_spec,
411 HarmonizeThreadIdsForProfileData (ProcessGDBRemote *process,
412 StringExtractorGDBRemote &inputStringExtractor);
417 GetCurrentProcessInfo ();
419 //------------------------------------------------------------------
420 // Classes that inherit from GDBRemoteCommunicationClient can see and modify these
421 //------------------------------------------------------------------
422 lldb_private::LazyBool m_supports_not_sending_acks;
423 lldb_private::LazyBool m_supports_thread_suffix;
424 lldb_private::LazyBool m_supports_threads_in_stop_reply;
425 lldb_private::LazyBool m_supports_vCont_all;
426 lldb_private::LazyBool m_supports_vCont_any;
427 lldb_private::LazyBool m_supports_vCont_c;
428 lldb_private::LazyBool m_supports_vCont_C;
429 lldb_private::LazyBool m_supports_vCont_s;
430 lldb_private::LazyBool m_supports_vCont_S;
431 lldb_private::LazyBool m_qHostInfo_is_valid;
432 lldb_private::LazyBool m_qProcessInfo_is_valid;
433 lldb_private::LazyBool m_supports_alloc_dealloc_memory;
434 lldb_private::LazyBool m_supports_memory_region_info;
435 lldb_private::LazyBool m_supports_watchpoint_support_info;
436 lldb_private::LazyBool m_supports_detach_stay_stopped;
437 lldb_private::LazyBool m_watchpoints_trigger_after_instruction;
438 lldb_private::LazyBool m_attach_or_wait_reply;
439 lldb_private::LazyBool m_prepare_for_reg_writing_reply;
440 lldb_private::LazyBool m_supports_p;
443 m_supports_qProcessInfoPID:1,
444 m_supports_qfProcessInfo:1,
445 m_supports_qUserName:1,
446 m_supports_qGroupName:1,
447 m_supports_qThreadStopInfo:1,
453 m_supports_QEnvironment:1,
454 m_supports_QEnvironmentHexEncoded:1;
457 lldb::tid_t m_curr_tid; // Current gdb remote protocol thread index for all other operations
458 lldb::tid_t m_curr_tid_run; // Current gdb remote protocol thread index for continue, step, etc
461 uint32_t m_num_supported_hardware_watchpoints;
463 // If we need to send a packet while the target is running, the m_async_XXX
464 // member variables take care of making this happen.
465 lldb_private::Mutex m_async_mutex;
466 lldb_private::Predicate<bool> m_async_packet_predicate;
467 std::string m_async_packet;
468 StringExtractorGDBRemote m_async_response;
469 int m_async_signal; // We were asked to deliver a signal to the inferior process.
470 bool m_interrupt_sent;
471 std::string m_partial_profile_data;
472 std::map<uint64_t, uint32_t> m_thread_id_to_used_usec_map;
474 lldb_private::ArchSpec m_host_arch;
475 lldb_private::ArchSpec m_process_arch;
476 uint32_t m_os_version_major;
477 uint32_t m_os_version_minor;
478 uint32_t m_os_version_update;
479 std::string m_os_build;
480 std::string m_os_kernel;
481 std::string m_hostname;
482 uint32_t m_default_packet_timeout;
485 DecodeProcessInfoResponse (StringExtractorGDBRemote &response,
486 lldb_private::ProcessInstanceInfo &process_info);
488 //------------------------------------------------------------------
489 // For GDBRemoteCommunicationClient only
490 //------------------------------------------------------------------
491 DISALLOW_COPY_AND_ASSIGN (GDBRemoteCommunicationClient);
494 #endif // liblldb_GDBRemoteCommunicationClient_h_