diff options
Diffstat (limited to 'lldb/source/Plugins/Process/Darwin/NativeThreadDarwin.cpp')
| -rw-r--r-- | lldb/source/Plugins/Process/Darwin/NativeThreadDarwin.cpp | 281 | 
1 files changed, 0 insertions, 281 deletions
| diff --git a/lldb/source/Plugins/Process/Darwin/NativeThreadDarwin.cpp b/lldb/source/Plugins/Process/Darwin/NativeThreadDarwin.cpp deleted file mode 100644 index bcd6d8c2c4c1..000000000000 --- a/lldb/source/Plugins/Process/Darwin/NativeThreadDarwin.cpp +++ /dev/null @@ -1,281 +0,0 @@ -//===-- NativeThreadDarwin.cpp -------------------------------- -*- C++ -*-===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#include "NativeThreadDarwin.h" - -// C includes -#include <libproc.h> - -// LLDB includes -#include "lldb/Utility/Stream.h" - -#include "NativeProcessDarwin.h" - -using namespace lldb; -using namespace lldb_private; -using namespace lldb_private::process_darwin; - -uint64_t NativeThreadDarwin::GetGloballyUniqueThreadIDForMachPortID( -    ::thread_t mach_port_id) { -  thread_identifier_info_data_t tident; -  mach_msg_type_number_t tident_count = THREAD_IDENTIFIER_INFO_COUNT; - -  auto mach_err = ::thread_info(mach_port_id, THREAD_IDENTIFIER_INFO, -                                (thread_info_t)&tident, &tident_count); -  if (mach_err != KERN_SUCCESS) { -    // When we fail to get thread info for the supposed port, assume it is -    // really a globally unique thread id already, or return the best thing we -    // can, which is the thread port. -    return mach_port_id; -  } -  return tident.thread_id; -} - -NativeThreadDarwin::NativeThreadDarwin(NativeProcessDarwin *process, -                                       bool is_64_bit, -                                       lldb::tid_t unique_thread_id, -                                       ::thread_t mach_thread_port) -    : NativeThreadProtocol(process, unique_thread_id), -      m_mach_thread_port(mach_thread_port), m_basic_info(), -      m_proc_threadinfo() {} - -bool NativeThreadDarwin::GetIdentifierInfo() { -  // Don't try to get the thread info once and cache it for the life of the -  // thread.  It changes over time, for instance if the thread name changes, -  // then the thread_handle also changes...  So you have to refetch it every -  // time. -  mach_msg_type_number_t count = THREAD_IDENTIFIER_INFO_COUNT; -  kern_return_t kret = ::thread_info(m_mach_thread_port, THREAD_IDENTIFIER_INFO, -                                     (thread_info_t)&m_ident_info, &count); -  return kret == KERN_SUCCESS; - -  return false; -} - -std::string NativeThreadDarwin::GetName() { -  std::string name; - -  if (GetIdentifierInfo()) { -    auto process_sp = GetProcess(); -    if (!process_sp) { -      name = "<unavailable>"; -      return name; -    } - -    int len = ::proc_pidinfo(process_sp->GetID(), PROC_PIDTHREADINFO, -                             m_ident_info.thread_handle, &m_proc_threadinfo, -                             sizeof(m_proc_threadinfo)); - -    if (len && m_proc_threadinfo.pth_name[0]) -      name = m_proc_threadinfo.pth_name; -  } -  return name; -} - -lldb::StateType NativeThreadDarwin::GetState() { -  // TODO implement -  return eStateInvalid; -} - -bool NativeThreadDarwin::GetStopReason(ThreadStopInfo &stop_info, -                                       std::string &description) { -  // TODO implement -  return false; -} - -NativeRegisterContextSP NativeThreadDarwin::GetRegisterContext() { -  // TODO implement -  return NativeRegisterContextSP(); -} - -Status NativeThreadDarwin::SetWatchpoint(lldb::addr_t addr, size_t size, -                                         uint32_t watch_flags, bool hardware) { -  Status error; -  error.SetErrorString("not yet implemented"); -  return error; -} - -Status NativeThreadDarwin::RemoveWatchpoint(lldb::addr_t addr) { -  Status error; -  error.SetErrorString("not yet implemented"); -  return error; -} - -void NativeThreadDarwin::Dump(Stream &stream) const { -// This is what we really want once we have the thread class wired up. -#if 0 -    DNBLogThreaded("[%3u] #%3u tid: 0x%8.8" PRIx64 ", pc: 0x%16.16" PRIx64 ", sp: 0x%16.16" PRIx64 ", user: %d.%6.6d, system: %d.%6.6d, cpu: %2d, policy: %2d, run_state: %2d (%s), flags: %2d, suspend_count: %2d (current %2d), sleep_time: %d", -                   index, -                   m_seq_id, -                   m_unique_id, -                   GetPC(INVALID_NUB_ADDRESS), -                   GetSP(INVALID_NUB_ADDRESS), -                   m_basic_info.user_time.seconds,      m_basic_info.user_time.microseconds, -                   m_basic_info.system_time.seconds,    m_basic_info.system_time.microseconds, -                   m_basic_info.cpu_usage, -                   m_basic_info.policy, -                   m_basic_info.run_state, -                   thread_run_state, -                   m_basic_info.flags, -                   m_basic_info.suspend_count, m_suspend_count, -                   m_basic_info.sleep_time); - -#else -  // Here's all we have right now. -  stream.Printf("tid: 0x%8.8" PRIx64 ", thread port: 0x%4.4x", GetID(), -                m_mach_thread_port); -#endif -} - -bool NativeThreadDarwin::NotifyException(MachException::Data &exc) { -// TODO implement this. -#if 0 -    // Allow the arch specific protocol to process (MachException::Data &)exc -    // first before possible reassignment of m_stop_exception with exc. See -    // also MachThread::GetStopException(). -    bool handled = m_arch_up->NotifyException(exc); - -    if (m_stop_exception.IsValid()) -    { -        // We may have more than one exception for a thread, but we need to -        // only remember the one that we will say is the reason we stopped. We -        // may have been single stepping and also gotten a signal exception, so -        // just remember the most pertinent one. -        if (m_stop_exception.IsBreakpoint()) -            m_stop_exception = exc; -    } -    else -    { -        m_stop_exception = exc; -    } - -    return handled; -#else -  // Pretend we handled it. -  return true; -#endif -} - -bool NativeThreadDarwin::ShouldStop(bool &step_more) const { -// TODO: implement this -#if 0 -    // See if this thread is at a breakpoint? -    DNBBreakpoint *bp = CurrentBreakpoint(); - -    if (bp) -    { -        // This thread is sitting at a breakpoint, ask the breakpoint if we -        // should be stopping here. -        return true; -    } -    else -    { -        if (m_arch_up->StepNotComplete()) -        { -            step_more = true; -            return false; -        } -        // The thread state is used to let us know what the thread was trying -        // to do. MachThread::ThreadWillResume() will set the thread state to -        // various values depending if the thread was the current thread and if -        // it was to be single stepped, or resumed. -        if (GetState() == eStateRunning) -        { -            // If our state is running, then we should continue as we are in -            // the process of stepping over a breakpoint. -            return false; -        } -        else -        { -            // Stop if we have any kind of valid exception for this thread. -            if (GetStopException().IsValid()) -                return true; -        } -    } -    return false; -#else -  return false; -#endif -} - -void NativeThreadDarwin::ThreadDidStop() { -// TODO implement this. -#if 0 -    // This thread has existed prior to resuming under debug nub control, and -    // has just been stopped. Do any cleanup that needs to be done after -    // running. - -    // The thread state and breakpoint will still have the same values as they -    // had prior to resuming the thread, so it makes it easy to check if we -    // were trying to step a thread, or we tried to resume while being at a -    // breakpoint. - -    // When this method gets called, the process state is still in the state it -    // was in while running so we can act accordingly. -    m_arch_up->ThreadDidStop(); - - -    // We may have suspended this thread so the primary thread could step -    // without worrying about race conditions, so lets restore our suspend -    // count. -    RestoreSuspendCountAfterStop(); - -    // Update the basic information for a thread -    MachThread::GetBasicInfo(m_mach_port_number, &m_basic_info); - -    if (m_basic_info.suspend_count > 0) -        SetState(eStateSuspended); -    else -        SetState(eStateStopped); -#endif -} - -bool NativeThreadDarwin::MachPortNumberIsValid(::thread_t thread) { -  return thread != (::thread_t)(0); -} - -const struct thread_basic_info *NativeThreadDarwin::GetBasicInfo() const { -  if (GetBasicInfo(m_mach_thread_port, &m_basic_info)) -    return &m_basic_info; -  return NULL; -} - -bool NativeThreadDarwin::GetBasicInfo(::thread_t thread, -                                      struct thread_basic_info *basicInfoPtr) { -  if (MachPortNumberIsValid(thread)) { -    unsigned int info_count = THREAD_BASIC_INFO_COUNT; -    kern_return_t err = ::thread_info(thread, THREAD_BASIC_INFO, -                                      (thread_info_t)basicInfoPtr, &info_count); -    if (err == KERN_SUCCESS) -      return true; -  } -  ::memset(basicInfoPtr, 0, sizeof(struct thread_basic_info)); -  return false; -} - -bool NativeThreadDarwin::IsUserReady() const { -  if (m_basic_info.run_state == 0) -    GetBasicInfo(); - -  switch (m_basic_info.run_state) { -  default: -  case TH_STATE_UNINTERRUPTIBLE: -    break; - -  case TH_STATE_RUNNING: -  case TH_STATE_STOPPED: -  case TH_STATE_WAITING: -  case TH_STATE_HALTED: -    return true; -  } -  return false; -} - -NativeProcessDarwinSP NativeThreadDarwin::GetNativeProcessDarwinSP() { -  return std::static_pointer_cast<NativeProcessDarwin>(GetProcess()); -} | 
