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//===-- NativeThreadOpenBSD.cpp -------------------------------- -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "NativeThreadOpenBSD.h"
#include "NativeRegisterContextOpenBSD.h"
#include "NativeProcessOpenBSD.h"
#include "Plugins/Process/POSIX/CrashReason.h"
#include "Plugins/Process/POSIX/ProcessPOSIXLog.h"
#include "lldb/Utility/LLDBAssert.h"
#include "lldb/Utility/RegisterValue.h"
#include "lldb/Utility/State.h"
#include <sstream>
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::process_openbsd;
NativeThreadOpenBSD::NativeThreadOpenBSD(NativeProcessOpenBSD &process,
lldb::tid_t tid)
: NativeThreadProtocol(process, tid), m_state(StateType::eStateInvalid),
m_stop_info(), m_stop_description() {
m_reg_context_up = NativeRegisterContextOpenBSD::CreateHostNativeRegisterContextOpenBSD(process.GetArchitecture(), *this);
if (!m_reg_context_up)
llvm_unreachable("This architecture does not support debugging running processes.");
}
void NativeThreadOpenBSD::SetStoppedBySignal(uint32_t signo,
const siginfo_t *info) {
Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD));
LLDB_LOG(log, "tid = {0} in called with signal {1}", GetID(), signo);
SetStopped();
m_stop_info.reason = StopReason::eStopReasonSignal;
m_stop_info.details.signal.signo = signo;
m_stop_description.clear();
if (info) {
switch (signo) {
case SIGSEGV:
case SIGBUS:
case SIGFPE:
case SIGILL:
const auto reason = GetCrashReason(*info);
m_stop_description = GetCrashReasonString(reason, *info);
break;
}
}
}
void NativeThreadOpenBSD::SetStoppedByBreakpoint() {
SetStopped();
m_stop_info.reason = StopReason::eStopReasonBreakpoint;
m_stop_info.details.signal.signo = SIGTRAP;
}
void NativeThreadOpenBSD::SetStoppedByTrace() {
SetStopped();
m_stop_info.reason = StopReason::eStopReasonTrace;
m_stop_info.details.signal.signo = SIGTRAP;
}
void NativeThreadOpenBSD::SetStoppedByExec() {
SetStopped();
m_stop_info.reason = StopReason::eStopReasonExec;
m_stop_info.details.signal.signo = SIGTRAP;
}
void NativeThreadOpenBSD::SetStopped() {
const StateType new_state = StateType::eStateStopped;
m_state = new_state;
m_stop_description.clear();
}
void NativeThreadOpenBSD::SetRunning() {
m_state = StateType::eStateRunning;
m_stop_info.reason = StopReason::eStopReasonNone;
}
void NativeThreadOpenBSD::SetStepping() {
m_state = StateType::eStateStepping;
m_stop_info.reason = StopReason::eStopReasonNone;
}
std::string NativeThreadOpenBSD::GetName() { return std::string(""); }
lldb::StateType NativeThreadOpenBSD::GetState() { return m_state; }
bool NativeThreadOpenBSD::GetStopReason(ThreadStopInfo &stop_info,
std::string &description) {
Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD));
description.clear();
switch (m_state) {
case eStateStopped:
case eStateCrashed:
case eStateExited:
case eStateSuspended:
case eStateUnloaded:
stop_info = m_stop_info;
description = m_stop_description;
return true;
case eStateInvalid:
case eStateConnected:
case eStateAttaching:
case eStateLaunching:
case eStateRunning:
case eStateStepping:
case eStateDetached:
LLDB_LOG(log, "tid = {0} in state {1} cannot answer stop reason", GetID(),
StateAsCString(m_state));
return false;
}
llvm_unreachable("unhandled StateType!");
}
NativeRegisterContext& NativeThreadOpenBSD::GetRegisterContext() {
assert(m_reg_context_up);
return *m_reg_context_up;
}
Status NativeThreadOpenBSD::SetWatchpoint(lldb::addr_t addr, size_t size,
uint32_t watch_flags, bool hardware) {
if (hardware)
return Status("Not Aailable");
return Status("Software watchpoints not implemented");
}
Status NativeThreadOpenBSD::RemoveWatchpoint(lldb::addr_t addr) {
return Status("Software watchpoints not implemented");
}
Status NativeThreadOpenBSD::SetHardwareBreakpoint(lldb::addr_t addr,
size_t size) {
return Status("Not Available");
}
Status NativeThreadOpenBSD::RemoveHardwareBreakpoint(lldb::addr_t addr) {
return Status("Not Available");
}
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