| //===-- MachThread.h --------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Created by Greg Clayton on 6/19/07. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef __MachThread_h__ |
| #define __MachThread_h__ |
| |
| #include <string> |
| #include <vector> |
| |
| #include <libproc.h> |
| #include <mach/mach.h> |
| #include <pthread.h> |
| #include <sys/signal.h> |
| |
| #include "PThreadCondition.h" |
| #include "PThreadMutex.h" |
| #include "MachException.h" |
| #include "DNBArch.h" |
| #include "DNBRegisterInfo.h" |
| |
| class DNBBreakpoint; |
| class MachProcess; |
| class MachThreadList; |
| |
| class MachThread |
| { |
| public: |
| |
| MachThread (MachProcess *process, thread_t thread = 0); |
| ~MachThread (); |
| |
| MachProcess * Process() { return m_process; } |
| const MachProcess * |
| Process() const { return m_process; } |
| nub_process_t ProcessID() const; |
| void Dump(uint32_t index); |
| thread_t ThreadID() const { return m_tid; } |
| thread_t InferiorThreadID() const; |
| |
| uint32_t SequenceID() const { return m_seq_id; } |
| static bool ThreadIDIsValid(thread_t thread); |
| void Resume(bool others_stopped); |
| void Suspend(); |
| bool SetSuspendCountBeforeResume(bool others_stopped); |
| bool RestoreSuspendCountAfterStop(); |
| |
| bool GetRegisterState(int flavor, bool force); |
| bool SetRegisterState(int flavor); |
| uint64_t GetPC(uint64_t failValue = INVALID_NUB_ADDRESS); // Get program counter |
| bool SetPC(uint64_t value); // Set program counter |
| uint64_t GetSP(uint64_t failValue = INVALID_NUB_ADDRESS); // Get stack pointer |
| |
| nub_break_t CurrentBreakpoint(); |
| uint32_t EnableHardwareBreakpoint (const DNBBreakpoint *breakpoint); |
| uint32_t EnableHardwareWatchpoint (const DNBBreakpoint *watchpoint); |
| bool DisableHardwareBreakpoint (const DNBBreakpoint *breakpoint); |
| bool DisableHardwareWatchpoint (const DNBBreakpoint *watchpoint); |
| |
| nub_state_t GetState(); |
| void SetState(nub_state_t state); |
| |
| void ThreadWillResume (const DNBThreadResumeAction *thread_action, bool others_stopped = false); |
| bool ShouldStop(bool &step_more); |
| bool IsStepping(); |
| bool ThreadDidStop(); |
| bool NotifyException(MachException::Data& exc); |
| const MachException::Data& GetStopException() { return m_stop_exception; } |
| |
| uint32_t GetNumRegistersInSet(int regSet) const; |
| const char * GetRegisterSetName(int regSet) const; |
| const DNBRegisterInfo * |
| GetRegisterInfo(int regSet, int regIndex) const; |
| void DumpRegisterState(int regSet); |
| const DNBRegisterSetInfo * |
| GetRegisterSetInfo(nub_size_t *num_reg_sets ) const; |
| bool GetRegisterValue ( uint32_t reg_set_idx, uint32_t reg_idx, DNBRegisterValue *reg_value ); |
| bool SetRegisterValue ( uint32_t reg_set_idx, uint32_t reg_idx, const DNBRegisterValue *reg_value ); |
| nub_size_t GetRegisterContext (void *buf, nub_size_t buf_len); |
| nub_size_t SetRegisterContext (const void *buf, nub_size_t buf_len); |
| void NotifyBreakpointChanged (const DNBBreakpoint *bp) |
| { |
| } |
| |
| bool IsUserReady(); |
| struct thread_basic_info * |
| GetBasicInfo (); |
| const char * GetBasicInfoAsString () const; |
| const char * GetName (); |
| |
| DNBArchProtocol* |
| GetArchProtocol() |
| { |
| return m_arch_ap.get(); |
| } |
| |
| protected: |
| static bool GetBasicInfo(thread_t threadID, struct thread_basic_info *basic_info); |
| |
| bool |
| GetIdentifierInfo (); |
| |
| // const char * |
| // GetDispatchQueueName(); |
| // |
| MachProcess * m_process; // The process that owns this thread |
| thread_t m_tid; // The thread port for this thread |
| uint32_t m_seq_id; // A Sequential ID that increments with each new thread |
| nub_state_t m_state; // The state of our process |
| PThreadMutex m_state_mutex; // Multithreaded protection for m_state |
| nub_break_t m_break_id; // Breakpoint that this thread is (stopped)/was(running) at (NULL for none) |
| struct thread_basic_info m_basic_info; // Basic information for a thread used to see if a thread is valid |
| int32_t m_suspend_count; // The current suspend count > 0 means we have suspended m_suspendCount times, |
| // < 0 means we have resumed it m_suspendCount times. |
| MachException::Data m_stop_exception; // The best exception that describes why this thread is stopped |
| std::auto_ptr<DNBArchProtocol> m_arch_ap; // Arch specific information for register state and more |
| const DNBRegisterSetInfo * m_reg_sets; // Register set information for this thread |
| nub_size_t m_num_reg_sets; |
| #ifdef THREAD_IDENTIFIER_INFO_COUNT |
| thread_identifier_info_data_t m_ident_info; |
| struct proc_threadinfo m_proc_threadinfo; |
| std::string m_dispatch_queue_name; |
| #endif |
| |
| private: |
| friend class MachThreadList; |
| void HardwareWatchpointStateChanged(); // Provide a chance to update the global view of the hardware watchpoint state |
| }; |
| |
| typedef STD_SHARED_PTR(MachThread) MachThreadSP; |
| |
| #endif |