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https://github.com/Gericom/teak-llvm.git
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f17b5ac6e1
Update the debugserver "qProcessInfo" implementation to return the cpu type, cpu subtype, OS and vendor information just like qHostInfo does so lldb can create an ArchSpec based on the returned values. Add a new GetProcessArchitecture to GDBRemoteCommunicationClient akin to GetHostArchitecture. If the qProcessInfo packet is supported, GetProcessArchitecture will return the cpu type / subtype of the process -- e.g. a 32-bit user process running on a 64-bit x86_64 Mac system. Have ProcessGDBRemote set the Target's architecture based on the GetProcessArchitecture when we've completed an attach/launch/connect. llvm-svn: 170491
431 lines
14 KiB
C++
431 lines
14 KiB
C++
//===-- GDBRemoteCommunicationClient.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_GDBRemoteCommunicationClient_h_
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#define liblldb_GDBRemoteCommunicationClient_h_
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// C Includes
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// C++ Includes
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#include <vector>
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Core/ArchSpec.h"
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#include "lldb/Target/Process.h"
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#include "GDBRemoteCommunication.h"
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typedef enum
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{
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eBreakpointSoftware = 0,
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eBreakpointHardware,
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eWatchpointWrite,
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eWatchpointRead,
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eWatchpointReadWrite
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} GDBStoppointType;
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class GDBRemoteCommunicationClient : public GDBRemoteCommunication
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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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GDBRemoteCommunicationClient(bool is_platform);
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virtual
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~GDBRemoteCommunicationClient();
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//------------------------------------------------------------------
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// After connecting, send the handshake to the server to make sure
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// we are communicating with it.
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//------------------------------------------------------------------
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bool
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HandshakeWithServer (lldb_private::Error *error_ptr);
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size_t
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SendPacketAndWaitForResponse (const char *send_payload,
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StringExtractorGDBRemote &response,
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bool send_async);
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size_t
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SendPacketAndWaitForResponse (const char *send_payload,
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size_t send_length,
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StringExtractorGDBRemote &response,
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bool send_async);
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lldb::StateType
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SendContinuePacketAndWaitForResponse (ProcessGDBRemote *process,
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const char *packet_payload,
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size_t packet_length,
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StringExtractorGDBRemote &response);
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virtual bool
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GetThreadSuffixSupported ();
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void
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QueryNoAckModeSupported ();
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void
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GetListThreadsInStopReplySupported ();
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bool
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SendAsyncSignal (int signo);
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bool
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SendInterrupt (lldb_private::Mutex::Locker &locker,
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uint32_t seconds_to_wait_for_stop,
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bool &timed_out);
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lldb::pid_t
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GetCurrentProcessID ();
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bool
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GetLaunchSuccess (std::string &error_str);
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uint16_t
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LaunchGDBserverAndGetPort ();
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//------------------------------------------------------------------
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/// Sends a GDB remote protocol 'A' packet that delivers program
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/// arguments to the remote server.
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///
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/// @param[in] argv
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/// A NULL terminated array of const C strings to use as the
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/// arguments.
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///
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/// @return
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/// Zero if the response was "OK", a positive value if the
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/// the response was "Exx" where xx are two hex digits, or
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/// -1 if the call is unsupported or any other unexpected
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/// response was received.
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//------------------------------------------------------------------
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int
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SendArgumentsPacket (char const *argv[]);
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//------------------------------------------------------------------
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/// Sends a "QEnvironment:NAME=VALUE" packet that will build up the
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/// environment that will get used when launching an application
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/// in conjunction with the 'A' packet. This function can be called
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/// multiple times in a row in order to pass on the desired
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/// environment that the inferior should be launched with.
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///
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/// @param[in] name_equal_value
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/// A NULL terminated C string that contains a single environment
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/// in the format "NAME=VALUE".
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///
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/// @return
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/// Zero if the response was "OK", a positive value if the
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/// the response was "Exx" where xx are two hex digits, or
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/// -1 if the call is unsupported or any other unexpected
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/// response was received.
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//------------------------------------------------------------------
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int
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SendEnvironmentPacket (char const *name_equal_value);
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int
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SendLaunchArchPacket (const char *arch);
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//------------------------------------------------------------------
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/// Sends a "vAttach:PID" where PID is in hex.
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///
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/// @param[in] pid
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/// A process ID for the remote gdb server to attach to.
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///
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/// @param[out] response
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/// The response received from the gdb server. If the return
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/// value is zero, \a response will contain a stop reply
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/// packet.
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///
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/// @return
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/// Zero if the attach was successful, or an error indicating
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/// an error code.
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//------------------------------------------------------------------
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int
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SendAttach (lldb::pid_t pid,
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StringExtractorGDBRemote& response);
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//------------------------------------------------------------------
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/// Sets the path to use for stdin/out/err for a process
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/// that will be launched with the 'A' packet.
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///
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/// @param[in] path
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/// The path to use for stdin/out/err
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///
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/// @return
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/// Zero if the for success, or an error code for failure.
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//------------------------------------------------------------------
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int
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SetSTDIN (char const *path);
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int
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SetSTDOUT (char const *path);
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int
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SetSTDERR (char const *path);
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//------------------------------------------------------------------
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/// Sets the disable ASLR flag to \a enable for a process that will
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/// be launched with the 'A' packet.
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///
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/// @param[in] enable
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/// A boolean value indicating wether to disable ASLR or not.
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///
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/// @return
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/// Zero if the for success, or an error code for failure.
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//------------------------------------------------------------------
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int
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SetDisableASLR (bool enable);
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//------------------------------------------------------------------
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/// Sets the working directory to \a path for a process that will
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/// be launched with the 'A' packet.
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///
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/// @param[in] path
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/// The path to a directory to use when launching our processs
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///
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/// @return
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/// Zero if the for success, or an error code for failure.
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//------------------------------------------------------------------
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int
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SetWorkingDir (char const *path);
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lldb::addr_t
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AllocateMemory (size_t size, uint32_t permissions);
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bool
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DeallocateMemory (lldb::addr_t addr);
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bool
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Detach ();
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lldb_private::Error
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GetMemoryRegionInfo (lldb::addr_t addr,
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lldb_private::MemoryRegionInfo &range_info);
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lldb_private::Error
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GetWatchpointSupportInfo (uint32_t &num);
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lldb_private::Error
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GetWatchpointSupportInfo (uint32_t &num, bool& after);
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lldb_private::Error
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GetWatchpointsTriggerAfterInstruction (bool &after);
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const lldb_private::ArchSpec &
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GetHostArchitecture ();
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const lldb_private::ArchSpec &
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GetProcessArchitecture ();
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bool
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GetVContSupported (char flavor);
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bool
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GetVAttachOrWaitSupported ();
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bool
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GetSyncThreadStateSupported();
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void
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ResetDiscoverableSettings();
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bool
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GetHostInfo (bool force = false);
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bool
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GetOSVersion (uint32_t &major,
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uint32_t &minor,
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uint32_t &update);
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bool
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GetOSBuildString (std::string &s);
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bool
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GetOSKernelDescription (std::string &s);
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lldb_private::ArchSpec
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GetSystemArchitecture ();
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bool
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GetHostname (std::string &s);
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lldb::addr_t
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GetShlibInfoAddr();
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bool
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GetSupportsThreadSuffix ();
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bool
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GetProcessInfo (lldb::pid_t pid,
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lldb_private::ProcessInstanceInfo &process_info);
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uint32_t
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FindProcesses (const lldb_private::ProcessInstanceInfoMatch &process_match_info,
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lldb_private::ProcessInstanceInfoList &process_infos);
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bool
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GetUserName (uint32_t uid, std::string &name);
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bool
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GetGroupName (uint32_t gid, std::string &name);
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bool
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HasFullVContSupport ()
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{
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return GetVContSupported ('A');
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}
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bool
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HasAnyVContSupport ()
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{
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return GetVContSupported ('a');
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}
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uint32_t
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SetPacketTimeout (uint32_t packet_timeout)
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{
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const uint32_t old_packet_timeout = m_packet_timeout;
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m_packet_timeout = packet_timeout;
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return old_packet_timeout;
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}
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bool
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GetStopReply (StringExtractorGDBRemote &response);
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bool
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GetThreadStopInfo (lldb::tid_t tid,
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StringExtractorGDBRemote &response);
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bool
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SupportsGDBStoppointPacket (GDBStoppointType type)
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{
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switch (type)
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{
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case eBreakpointSoftware: return m_supports_z0;
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case eBreakpointHardware: return m_supports_z1;
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case eWatchpointWrite: return m_supports_z2;
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case eWatchpointRead: return m_supports_z3;
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case eWatchpointReadWrite: return m_supports_z4;
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}
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return false;
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}
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uint8_t
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SendGDBStoppointTypePacket (GDBStoppointType type, // Type of breakpoint or watchpoint
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bool insert, // Insert or remove?
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lldb::addr_t addr, // Address of breakpoint or watchpoint
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uint32_t length); // Byte Size of breakpoint or watchpoint
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void
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TestPacketSpeed (const uint32_t num_packets);
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// This packet is for testing the speed of the interface only. Both
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// the client and server need to support it, but this allows us to
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// measure the packet speed without any other work being done on the
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// other end and avoids any of that work affecting the packet send
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// and response times.
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bool
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SendSpeedTestPacket (uint32_t send_size,
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uint32_t recv_size);
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bool
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SetCurrentThread (int tid);
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bool
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SetCurrentThreadForRun (int tid);
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lldb_private::LazyBool
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SupportsAllocDeallocMemory () // const
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{
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// Uncomment this to have lldb pretend the debug server doesn't respond to alloc/dealloc memory packets.
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// m_supports_alloc_dealloc_memory = lldb_private::eLazyBoolNo;
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return m_supports_alloc_dealloc_memory;
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}
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size_t
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GetCurrentThreadIDs (std::vector<lldb::tid_t> &thread_ids,
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bool &sequence_mutex_unavailable);
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bool
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GetInterruptWasSent () const
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{
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return m_interrupt_sent;
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}
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protected:
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bool
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GetCurrentProcessInfo ();
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//------------------------------------------------------------------
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// Classes that inherit from GDBRemoteCommunicationClient can see and modify these
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//------------------------------------------------------------------
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lldb_private::LazyBool m_supports_not_sending_acks;
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lldb_private::LazyBool m_supports_thread_suffix;
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lldb_private::LazyBool m_supports_threads_in_stop_reply;
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lldb_private::LazyBool m_supports_vCont_all;
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lldb_private::LazyBool m_supports_vCont_any;
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lldb_private::LazyBool m_supports_vCont_c;
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lldb_private::LazyBool m_supports_vCont_C;
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lldb_private::LazyBool m_supports_vCont_s;
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lldb_private::LazyBool m_supports_vCont_S;
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lldb_private::LazyBool m_qHostInfo_is_valid;
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lldb_private::LazyBool m_qProcessInfo_is_valid;
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lldb_private::LazyBool m_supports_alloc_dealloc_memory;
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lldb_private::LazyBool m_supports_memory_region_info;
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lldb_private::LazyBool m_supports_watchpoint_support_info;
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lldb_private::LazyBool m_watchpoints_trigger_after_instruction;
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lldb_private::LazyBool m_attach_or_wait_reply;
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lldb_private::LazyBool m_prepare_for_reg_writing_reply;
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bool
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m_supports_qProcessInfoPID:1,
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m_supports_qfProcessInfo:1,
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m_supports_qUserName:1,
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m_supports_qGroupName:1,
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m_supports_qThreadStopInfo:1,
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m_supports_z0:1,
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m_supports_z1:1,
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m_supports_z2:1,
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m_supports_z3:1,
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m_supports_z4:1;
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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_num_supported_hardware_watchpoints;
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// If we need to send a packet while the target is running, the m_async_XXX
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// member variables take care of making this happen.
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lldb_private::Mutex m_async_mutex;
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lldb_private::Predicate<bool> m_async_packet_predicate;
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std::string m_async_packet;
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StringExtractorGDBRemote m_async_response;
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int m_async_signal; // We were asked to deliver a signal to the inferior process.
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bool m_interrupt_sent;
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lldb_private::ArchSpec m_host_arch;
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lldb_private::ArchSpec m_process_arch;
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uint32_t m_os_version_major;
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uint32_t m_os_version_minor;
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uint32_t m_os_version_update;
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std::string m_os_build;
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std::string m_os_kernel;
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std::string m_hostname;
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bool
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DecodeProcessInfoResponse (StringExtractorGDBRemote &response,
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lldb_private::ProcessInstanceInfo &process_info);
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private:
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//------------------------------------------------------------------
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// For GDBRemoteCommunicationClient only
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//------------------------------------------------------------------
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DISALLOW_COPY_AND_ASSIGN (GDBRemoteCommunicationClient);
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};
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#endif // liblldb_GDBRemoteCommunicationClient_h_
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