summaryrefslogtreecommitdiff
path: root/tools/debugserver/source/RNBContext.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tools/debugserver/source/RNBContext.cpp')
-rw-r--r--tools/debugserver/source/RNBContext.cpp297
1 files changed, 0 insertions, 297 deletions
diff --git a/tools/debugserver/source/RNBContext.cpp b/tools/debugserver/source/RNBContext.cpp
deleted file mode 100644
index c86511c6e226..000000000000
--- a/tools/debugserver/source/RNBContext.cpp
+++ /dev/null
@@ -1,297 +0,0 @@
-//===-- RNBContext.cpp ------------------------------------------*- 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 12/12/07.
-//
-//===----------------------------------------------------------------------===//
-
-#include "RNBContext.h"
-
-#include <sstream>
-#include <sys/stat.h>
-
-#if defined(__APPLE__)
-#include <pthread.h>
-#include <sched.h>
-#endif
-
-#include "CFString.h"
-#include "DNB.h"
-#include "DNBLog.h"
-#include "RNBRemote.h"
-
-//----------------------------------------------------------------------
-// Destructor
-//----------------------------------------------------------------------
-RNBContext::~RNBContext() { SetProcessID(INVALID_NUB_PROCESS); }
-
-//----------------------------------------------------------------------
-// RNBContext constructor
-//----------------------------------------------------------------------
-
-const char *RNBContext::EnvironmentAtIndex(size_t index) {
- if (index < m_env_vec.size())
- return m_env_vec[index].c_str();
- else
- return NULL;
-}
-
-static std::string GetEnvironmentKey(const std::string &env) {
- std::string key = env.substr(0, env.find('='));
- if (!key.empty() && key.back() == '=')
- key.pop_back();
- return key;
-}
-
-void RNBContext::PushEnvironmentIfNeeded(const char *arg) {
- if (!arg)
- return;
- std::string arg_key = GetEnvironmentKey(arg);
-
- for (const std::string &entry: m_env_vec) {
- if (arg_key == GetEnvironmentKey(entry))
- return;
- }
- m_env_vec.push_back(arg);
-}
-
-const char *RNBContext::ArgumentAtIndex(size_t index) {
- if (index < m_arg_vec.size())
- return m_arg_vec[index].c_str();
- else
- return NULL;
-}
-
-bool RNBContext::SetWorkingDirectory(const char *path) {
- struct stat working_directory_stat;
- if (::stat(path, &working_directory_stat) != 0) {
- m_working_directory.clear();
- return false;
- }
- m_working_directory.assign(path);
- return true;
-}
-
-void RNBContext::SetProcessID(nub_process_t pid) {
- // Delete and events we created
- if (m_pid != INVALID_NUB_PROCESS) {
- StopProcessStatusThread();
- // Unregister this context as a client of the process's events.
- }
- // Assign our new process ID
- m_pid = pid;
-
- if (pid != INVALID_NUB_PROCESS) {
- StartProcessStatusThread();
- }
-}
-
-void RNBContext::StartProcessStatusThread() {
- DNBLogThreadedIf(LOG_RNB_PROC, "RNBContext::%s called", __FUNCTION__);
- if ((m_events.GetEventBits() & event_proc_thread_running) == 0) {
- int err = ::pthread_create(&m_pid_pthread, NULL,
- ThreadFunctionProcessStatus, this);
- if (err == 0) {
- // Our thread was successfully kicked off, wait for it to
- // set the started event so we can safely continue
- m_events.WaitForSetEvents(event_proc_thread_running);
- DNBLogThreadedIf(LOG_RNB_PROC, "RNBContext::%s thread got started!",
- __FUNCTION__);
- } else {
- DNBLogThreadedIf(LOG_RNB_PROC,
- "RNBContext::%s thread failed to start: err = %i",
- __FUNCTION__, err);
- m_events.ResetEvents(event_proc_thread_running);
- m_events.SetEvents(event_proc_thread_exiting);
- }
- }
-}
-
-void RNBContext::StopProcessStatusThread() {
- DNBLogThreadedIf(LOG_RNB_PROC, "RNBContext::%s called", __FUNCTION__);
- if ((m_events.GetEventBits() & event_proc_thread_running) ==
- event_proc_thread_running) {
- struct timespec timeout_abstime;
- DNBTimer::OffsetTimeOfDay(&timeout_abstime, 2, 0);
- // Wait for 2 seconds for the rx thread to exit
- if (m_events.WaitForSetEvents(RNBContext::event_proc_thread_exiting,
- &timeout_abstime) ==
- RNBContext::event_proc_thread_exiting) {
- DNBLogThreadedIf(LOG_RNB_PROC,
- "RNBContext::%s thread stopped as requeseted",
- __FUNCTION__);
- } else {
- DNBLogThreadedIf(LOG_RNB_PROC,
- "RNBContext::%s thread did not stop in 2 seconds...",
- __FUNCTION__);
- // Kill the RX thread???
- }
- }
-}
-
-//----------------------------------------------------------------------
-// This thread's sole purpose is to watch for any status changes in the
-// child process.
-//----------------------------------------------------------------------
-void *RNBContext::ThreadFunctionProcessStatus(void *arg) {
- RNBRemoteSP remoteSP(g_remoteSP);
- RNBRemote *remote = remoteSP.get();
- if (remote == NULL)
- return NULL;
- RNBContext &ctx = remote->Context();
-
- nub_process_t pid = ctx.ProcessID();
- DNBLogThreadedIf(LOG_RNB_PROC,
- "RNBContext::%s (arg=%p, pid=%4.4x): thread starting...",
- __FUNCTION__, arg, pid);
- ctx.Events().SetEvents(RNBContext::event_proc_thread_running);
-
-#if defined(__APPLE__)
- pthread_setname_np("child process status watcher thread");
-#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
- struct sched_param thread_param;
- int thread_sched_policy;
- if (pthread_getschedparam(pthread_self(), &thread_sched_policy,
- &thread_param) == 0) {
- thread_param.sched_priority = 47;
- pthread_setschedparam(pthread_self(), thread_sched_policy, &thread_param);
- }
-#endif
-#endif
-
- bool done = false;
- while (!done) {
- DNBLogThreadedIf(LOG_RNB_PROC,
- "RNBContext::%s calling DNBProcessWaitForEvent(pid, "
- "eEventProcessRunningStateChanged | "
- "eEventProcessStoppedStateChanged | eEventStdioAvailable "
- "| eEventProfileDataAvailable, true)...",
- __FUNCTION__);
- nub_event_t pid_status_event = DNBProcessWaitForEvents(
- pid,
- eEventProcessRunningStateChanged | eEventProcessStoppedStateChanged |
- eEventStdioAvailable | eEventProfileDataAvailable,
- true, NULL);
- DNBLogThreadedIf(LOG_RNB_PROC,
- "RNBContext::%s calling DNBProcessWaitForEvent(pid, "
- "eEventProcessRunningStateChanged | "
- "eEventProcessStoppedStateChanged | eEventStdioAvailable "
- "| eEventProfileDataAvailable, true) => 0x%8.8x",
- __FUNCTION__, pid_status_event);
-
- if (pid_status_event == 0) {
- DNBLogThreadedIf(LOG_RNB_PROC, "RNBContext::%s (pid=%4.4x) got ZERO back "
- "from DNBProcessWaitForEvent....",
- __FUNCTION__, pid);
- // done = true;
- } else {
- if (pid_status_event & eEventStdioAvailable) {
- DNBLogThreadedIf(
- LOG_RNB_PROC,
- "RNBContext::%s (pid=%4.4x) got stdio available event....",
- __FUNCTION__, pid);
- ctx.Events().SetEvents(RNBContext::event_proc_stdio_available);
- // Wait for the main thread to consume this notification if it requested
- // we wait for it
- ctx.Events().WaitForResetAck(RNBContext::event_proc_stdio_available);
- }
-
- if (pid_status_event & eEventProfileDataAvailable) {
- DNBLogThreadedIf(
- LOG_RNB_PROC,
- "RNBContext::%s (pid=%4.4x) got profile data event....",
- __FUNCTION__, pid);
- ctx.Events().SetEvents(RNBContext::event_proc_profile_data);
- // Wait for the main thread to consume this notification if it requested
- // we wait for it
- ctx.Events().WaitForResetAck(RNBContext::event_proc_profile_data);
- }
-
- if (pid_status_event & (eEventProcessRunningStateChanged |
- eEventProcessStoppedStateChanged)) {
- nub_state_t pid_state = DNBProcessGetState(pid);
- DNBLogThreadedIf(
- LOG_RNB_PROC,
- "RNBContext::%s (pid=%4.4x) got process state change: %s",
- __FUNCTION__, pid, DNBStateAsString(pid_state));
-
- // Let the main thread know there is a process state change to see
- ctx.Events().SetEvents(RNBContext::event_proc_state_changed);
- // Wait for the main thread to consume this notification if it requested
- // we wait for it
- ctx.Events().WaitForResetAck(RNBContext::event_proc_state_changed);
-
- switch (pid_state) {
- case eStateStopped:
- break;
-
- case eStateInvalid:
- case eStateExited:
- case eStateDetached:
- done = true;
- break;
- default:
- break;
- }
- }
-
- // Reset any events that we consumed.
- DNBProcessResetEvents(pid, pid_status_event);
- }
- }
- DNBLogThreadedIf(LOG_RNB_PROC,
- "RNBContext::%s (arg=%p, pid=%4.4x): thread exiting...",
- __FUNCTION__, arg, pid);
- ctx.Events().ResetEvents(event_proc_thread_running);
- ctx.Events().SetEvents(event_proc_thread_exiting);
- return NULL;
-}
-
-const char *RNBContext::EventsAsString(nub_event_t events, std::string &s) {
- s.clear();
- if (events & event_proc_state_changed)
- s += "proc_state_changed ";
- if (events & event_proc_thread_running)
- s += "proc_thread_running ";
- if (events & event_proc_thread_exiting)
- s += "proc_thread_exiting ";
- if (events & event_proc_stdio_available)
- s += "proc_stdio_available ";
- if (events & event_proc_profile_data)
- s += "proc_profile_data ";
- if (events & event_darwin_log_data_available)
- s += "darwin_log_data_available ";
- if (events & event_read_packet_available)
- s += "read_packet_available ";
- if (events & event_read_thread_running)
- s += "read_thread_running ";
- if (events & event_read_thread_running)
- s += "read_thread_running ";
- return s.c_str();
-}
-
-const char *RNBContext::LaunchStatusAsString(std::string &s) {
- s.clear();
-
- const char *err_str = m_launch_status.AsString();
- if (err_str)
- s = err_str;
- else {
- char error_num_str[64];
- snprintf(error_num_str, sizeof(error_num_str), "%u",
- m_launch_status.Status());
- s = error_num_str;
- }
- return s.c_str();
-}
-
-bool RNBContext::ProcessStateRunning() const {
- nub_state_t pid_state = DNBProcessGetState(m_pid);
- return pid_state == eStateRunning || pid_state == eStateStepping;
-}