179 lines
5.2 KiB
C++
179 lines
5.2 KiB
C++
//===-- NativeThreadDarwin.h ---------------------------------- -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef NativeThreadDarwin_H
|
|
#define NativeThreadDarwin_H
|
|
|
|
// C includes
|
|
#include <mach/mach_types.h>
|
|
#include <sched.h>
|
|
#include <sys/proc_info.h>
|
|
|
|
// C++ includes
|
|
#include <map>
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
// LLDB includes
|
|
#include "lldb/Host/common/NativeThreadProtocol.h"
|
|
#include "lldb/lldb-private-forward.h"
|
|
|
|
#include "MachException.h"
|
|
|
|
namespace lldb_private {
|
|
namespace process_darwin {
|
|
|
|
class NativeProcessDarwin;
|
|
using NativeProcessDarwinSP = std::shared_ptr<NativeProcessDarwin>;
|
|
|
|
class NativeThreadListDarwin;
|
|
|
|
class NativeThreadDarwin : public NativeThreadProtocol {
|
|
friend class NativeProcessDarwin;
|
|
friend class NativeThreadListDarwin;
|
|
|
|
public:
|
|
static uint64_t
|
|
GetGloballyUniqueThreadIDForMachPortID(::thread_t mach_port_id);
|
|
|
|
NativeThreadDarwin(NativeProcessDarwin *process, bool is_64_bit,
|
|
lldb::tid_t unique_thread_id = 0,
|
|
::thread_t mach_thread_port = 0);
|
|
|
|
// -----------------------------------------------------------------
|
|
// NativeThreadProtocol Interface
|
|
// -----------------------------------------------------------------
|
|
std::string GetName() override;
|
|
|
|
lldb::StateType GetState() override;
|
|
|
|
bool GetStopReason(ThreadStopInfo &stop_info,
|
|
std::string &description) override;
|
|
|
|
NativeRegisterContextSP GetRegisterContext() override;
|
|
|
|
Status SetWatchpoint(lldb::addr_t addr, size_t size, uint32_t watch_flags,
|
|
bool hardware) override;
|
|
|
|
Status RemoveWatchpoint(lldb::addr_t addr) override;
|
|
|
|
// -----------------------------------------------------------------
|
|
// New methods that are fine for others to call.
|
|
// -----------------------------------------------------------------
|
|
void Dump(Stream &stream) const;
|
|
|
|
private:
|
|
// -----------------------------------------------------------------
|
|
// Interface for friend classes
|
|
// -----------------------------------------------------------------
|
|
|
|
/// Resumes the thread. If @p signo is anything but
|
|
/// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the thread.
|
|
Status Resume(uint32_t signo);
|
|
|
|
/// Single steps the thread. If @p signo is anything but
|
|
/// LLDB_INVALID_SIGNAL_NUMBER, deliver that signal to the thread.
|
|
Status SingleStep(uint32_t signo);
|
|
|
|
bool NotifyException(MachException::Data &exc);
|
|
|
|
bool ShouldStop(bool &step_more) const;
|
|
|
|
void ThreadDidStop();
|
|
|
|
void SetStoppedBySignal(uint32_t signo, const siginfo_t *info = nullptr);
|
|
|
|
/// Return true if the thread is stopped.
|
|
/// If stopped by a signal, indicate the signo in the signo
|
|
/// argument. Otherwise, return LLDB_INVALID_SIGNAL_NUMBER.
|
|
bool IsStopped(int *signo);
|
|
|
|
const struct thread_basic_info *GetBasicInfo() const;
|
|
|
|
static bool GetBasicInfo(::thread_t thread,
|
|
struct thread_basic_info *basicInfoPtr);
|
|
|
|
bool IsUserReady() const;
|
|
|
|
void SetStoppedByExec();
|
|
|
|
void SetStoppedByBreakpoint();
|
|
|
|
void SetStoppedByWatchpoint(uint32_t wp_index);
|
|
|
|
bool IsStoppedAtBreakpoint();
|
|
|
|
bool IsStoppedAtWatchpoint();
|
|
|
|
void SetStoppedByTrace();
|
|
|
|
void SetStoppedWithNoReason();
|
|
|
|
void SetExited();
|
|
|
|
Status RequestStop();
|
|
|
|
// -------------------------------------------------------------------------
|
|
/// Return the mach thread port number for this thread.
|
|
///
|
|
/// @return
|
|
/// The mach port number for this thread. Returns NULL_THREAD
|
|
/// when the thread is invalid.
|
|
// -------------------------------------------------------------------------
|
|
thread_t GetMachPortNumber() const { return m_mach_thread_port; }
|
|
|
|
static bool MachPortNumberIsValid(::thread_t thread);
|
|
|
|
// ---------------------------------------------------------------------
|
|
// Private interface
|
|
// ---------------------------------------------------------------------
|
|
bool GetIdentifierInfo();
|
|
|
|
void MaybeLogStateChange(lldb::StateType new_state);
|
|
|
|
NativeProcessDarwinSP GetNativeProcessDarwinSP();
|
|
|
|
void SetStopped();
|
|
|
|
inline void MaybePrepareSingleStepWorkaround();
|
|
|
|
inline void MaybeCleanupSingleStepWorkaround();
|
|
|
|
// -----------------------------------------------------------------
|
|
// Member Variables
|
|
// -----------------------------------------------------------------
|
|
|
|
// The mach thread port for the thread.
|
|
::thread_t m_mach_thread_port;
|
|
|
|
// The most recently-retrieved thread basic info.
|
|
mutable ::thread_basic_info m_basic_info;
|
|
|
|
struct proc_threadinfo m_proc_threadinfo;
|
|
|
|
thread_identifier_info_data_t m_ident_info;
|
|
|
|
#if 0
|
|
lldb::StateType m_state;
|
|
ThreadStopInfo m_stop_info;
|
|
NativeRegisterContextSP m_reg_context_sp;
|
|
std::string m_stop_description;
|
|
using WatchpointIndexMap = std::map<lldb::addr_t, uint32_t>;
|
|
WatchpointIndexMap m_watchpoint_index_map;
|
|
// cpu_set_t m_original_cpu_set; // For single-step workaround.
|
|
#endif
|
|
};
|
|
|
|
typedef std::shared_ptr<NativeThreadDarwin> NativeThreadDarwinSP;
|
|
|
|
} // namespace process_darwin
|
|
} // namespace lldb_private
|
|
|
|
#endif // #ifndef NativeThreadDarwin_H
|