1b946bf636
thread basic info state and not realize that a thread was already suspended or if a thread was starting up and not ready to be displayed to the user (in an uninterruptable state). If it is not user ready yet, we don't add it to our list of threads that can be played with. llvm-svn: 118866
129 lines
5.4 KiB
C++
129 lines
5.4 KiB
C++
//===-- MachThread.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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//
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// Created by Greg Clayton on 6/19/07.
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//
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//===----------------------------------------------------------------------===//
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#ifndef __MachThread_h__
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#define __MachThread_h__
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#include <string>
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#include <vector>
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#include <tr1/memory> // for std::tr1::shared_ptr
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#include <libproc.h>
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#include <mach/mach.h>
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#include <pthread.h>
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#include <sys/signal.h>
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#include "PThreadCondition.h"
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#include "PThreadMutex.h"
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#include "MachException.h"
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#include "DNBArch.h"
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#include "DNBRegisterInfo.h"
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class DNBBreakpoint;
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class MachProcess;
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class MachThread
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{
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public:
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MachThread (MachProcess *process, thread_t thread = 0);
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~MachThread ();
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MachProcess * Process() { return m_process; }
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const MachProcess *
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Process() const { return m_process; }
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nub_process_t ProcessID() const;
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void Dump(uint32_t index);
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thread_t ThreadID() const { return m_tid; }
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thread_t InferiorThreadID() const;
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uint32_t SequenceID() const { return m_seq_id; }
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static bool ThreadIDIsValid(thread_t thread);
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uint32_t Resume();
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uint32_t Suspend();
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uint32_t SuspendCount() const { return m_suspendCount; }
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bool RestoreSuspendCount();
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bool GetRegisterState(int flavor, bool force);
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bool SetRegisterState(int flavor);
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uint64_t GetPC(uint64_t failValue = INVALID_NUB_ADDRESS); // Get program counter
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bool SetPC(uint64_t value); // Set program counter
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uint64_t GetSP(uint64_t failValue = INVALID_NUB_ADDRESS); // Get stack pointer
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nub_break_t CurrentBreakpoint() const { return m_breakID; }
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void SetCurrentBreakpoint(nub_break_t breakID) { m_breakID = breakID; }
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uint32_t EnableHardwareBreakpoint (const DNBBreakpoint *breakpoint);
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uint32_t EnableHardwareWatchpoint (const DNBBreakpoint *watchpoint);
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bool DisableHardwareBreakpoint (const DNBBreakpoint *breakpoint);
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bool DisableHardwareWatchpoint (const DNBBreakpoint *watchpoint);
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nub_state_t GetState();
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void SetState(nub_state_t state);
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void ThreadWillResume (const DNBThreadResumeAction *thread_action);
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bool ShouldStop(bool &step_more);
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bool IsStepping();
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bool ThreadDidStop();
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bool NotifyException(MachException::Data& exc);
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const MachException::Data& GetStopException() { return m_stop_exception; }
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uint32_t GetNumRegistersInSet(int regSet) const;
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const char * GetRegisterSetName(int regSet) const;
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const DNBRegisterInfo *
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GetRegisterInfo(int regSet, int regIndex) const;
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void DumpRegisterState(int regSet);
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const DNBRegisterSetInfo *
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GetRegisterSetInfo(nub_size_t *num_reg_sets ) const;
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bool GetRegisterValue ( uint32_t reg_set_idx, uint32_t reg_idx, DNBRegisterValue *reg_value );
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bool SetRegisterValue ( uint32_t reg_set_idx, uint32_t reg_idx, const DNBRegisterValue *reg_value );
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nub_size_t GetRegisterContext (void *buf, nub_size_t buf_len);
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nub_size_t SetRegisterContext (const void *buf, nub_size_t buf_len);
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void NotifyBreakpointChanged (const DNBBreakpoint *bp);
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bool IsUserReady();
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struct thread_basic_info *
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GetBasicInfo ();
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const char * GetBasicInfoAsString () const;
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const char * GetName ();
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protected:
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static bool GetBasicInfo(thread_t threadID, struct thread_basic_info *basic_info);
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bool
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GetIdentifierInfo ();
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// const char *
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// GetDispatchQueueName();
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//
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MachProcess * m_process; // The process that owns this thread
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thread_t m_tid; // The thread port for this thread
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uint32_t m_seq_id; // A Sequential ID that increments with each new thread
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nub_state_t m_state; // The state of our process
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PThreadMutex m_state_mutex; // Multithreaded protection for m_state
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nub_break_t m_breakID; // Breakpoint that this thread is (stopped)/was(running) at (NULL for none)
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struct thread_basic_info m_basicInfo; // Basic information for a thread used to see if a thread is valid
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uint32_t m_suspendCount; // The current suspend count
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MachException::Data m_stop_exception; // The best exception that describes why this thread is stopped
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DNBArch m_arch; // Arch specific information for register state and more
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std::vector<DNBRegisterSetInfo> m_regSets; // Register set information for this thread
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#ifdef THREAD_IDENTIFIER_INFO_COUNT
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thread_identifier_info_data_t m_ident_info;
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struct proc_threadinfo m_proc_threadinfo;
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std::string m_dispatch_queue_name;
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#endif
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};
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typedef std::tr1::shared_ptr<MachThread> MachThreadSP;
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#endif
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