diff options
Diffstat (limited to 'source/Plugins/Process/MacOSX-Kernel/ThreadKDP.cpp')
| -rw-r--r-- | source/Plugins/Process/MacOSX-Kernel/ThreadKDP.cpp | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/source/Plugins/Process/MacOSX-Kernel/ThreadKDP.cpp b/source/Plugins/Process/MacOSX-Kernel/ThreadKDP.cpp deleted file mode 100644 index 6f26acd0b8aa..000000000000 --- a/source/Plugins/Process/MacOSX-Kernel/ThreadKDP.cpp +++ /dev/null @@ -1,170 +0,0 @@ -//===-- ThreadKDP.cpp -------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "ThreadKDP.h" - -#include "lldb/Host/SafeMachO.h" - -#include "lldb/Breakpoint/Watchpoint.h" -#include "lldb/Target/Process.h" -#include "lldb/Target/RegisterContext.h" -#include "lldb/Target/StopInfo.h" -#include "lldb/Target/Target.h" -#include "lldb/Target/Unwind.h" -#include "lldb/Utility/ArchSpec.h" -#include "lldb/Utility/DataExtractor.h" -#include "lldb/Utility/State.h" -#include "lldb/Utility/StreamString.h" - -#include "Plugins/Process/Utility/StopInfoMachException.h" -#include "ProcessKDP.h" -#include "ProcessKDPLog.h" -#include "RegisterContextKDP_arm.h" -#include "RegisterContextKDP_arm64.h" -#include "RegisterContextKDP_i386.h" -#include "RegisterContextKDP_x86_64.h" - -using namespace lldb; -using namespace lldb_private; - -//---------------------------------------------------------------------- -// Thread Registers -//---------------------------------------------------------------------- - -ThreadKDP::ThreadKDP(Process &process, lldb::tid_t tid) - : Thread(process, tid), m_thread_name(), m_dispatch_queue_name(), - m_thread_dispatch_qaddr(LLDB_INVALID_ADDRESS) { - Log *log = ProcessKDPLog::GetLogIfAllCategoriesSet(KDP_LOG_THREAD); - LLDB_LOG(log, "this = {0}, tid = {1:x}", this, GetID()); -} - -ThreadKDP::~ThreadKDP() { - Log *log = ProcessKDPLog::GetLogIfAllCategoriesSet(KDP_LOG_THREAD); - LLDB_LOG(log, "this = {0}, tid = {1:x}", this, GetID()); - DestroyThread(); -} - -const char *ThreadKDP::GetName() { - if (m_thread_name.empty()) - return nullptr; - return m_thread_name.c_str(); -} - -const char *ThreadKDP::GetQueueName() { return nullptr; } - -void ThreadKDP::RefreshStateAfterStop() { - // Invalidate all registers in our register context. We don't set "force" to - // true because the stop reply packet might have had some register values - // that were expedited and these will already be copied into the register - // context by the time this function gets called. The KDPRegisterContext - // class has been made smart enough to detect when it needs to invalidate - // which registers are valid by putting hooks in the register read and - // register supply functions where they check the process stop ID and do the - // right thing. - const bool force = false; - lldb::RegisterContextSP reg_ctx_sp(GetRegisterContext()); - if (reg_ctx_sp) - reg_ctx_sp->InvalidateIfNeeded(force); -} - -bool ThreadKDP::ThreadIDIsValid(lldb::tid_t thread) { return thread != 0; } - -void ThreadKDP::Dump(Log *log, uint32_t index) {} - -bool ThreadKDP::ShouldStop(bool &step_more) { return true; } -lldb::RegisterContextSP ThreadKDP::GetRegisterContext() { - if (!m_reg_context_sp) - m_reg_context_sp = CreateRegisterContextForFrame(nullptr); - return m_reg_context_sp; -} - -lldb::RegisterContextSP -ThreadKDP::CreateRegisterContextForFrame(StackFrame *frame) { - lldb::RegisterContextSP reg_ctx_sp; - uint32_t concrete_frame_idx = 0; - - if (frame) - concrete_frame_idx = frame->GetConcreteFrameIndex(); - - if (concrete_frame_idx == 0) { - ProcessSP process_sp(CalculateProcess()); - if (process_sp) { - switch (static_cast<ProcessKDP *>(process_sp.get()) - ->GetCommunication() - .GetCPUType()) { - case llvm::MachO::CPU_TYPE_ARM: - reg_ctx_sp.reset(new RegisterContextKDP_arm(*this, concrete_frame_idx)); - break; - case llvm::MachO::CPU_TYPE_ARM64: - reg_ctx_sp.reset( - new RegisterContextKDP_arm64(*this, concrete_frame_idx)); - break; - case llvm::MachO::CPU_TYPE_I386: - reg_ctx_sp.reset( - new RegisterContextKDP_i386(*this, concrete_frame_idx)); - break; - case llvm::MachO::CPU_TYPE_X86_64: - reg_ctx_sp.reset( - new RegisterContextKDP_x86_64(*this, concrete_frame_idx)); - break; - default: - llvm_unreachable("Add CPU type support in KDP"); - } - } - } else { - Unwind *unwinder = GetUnwinder(); - if (unwinder != nullptr) - reg_ctx_sp = unwinder->CreateRegisterContextForFrame(frame); - } - return reg_ctx_sp; -} - -bool ThreadKDP::CalculateStopInfo() { - ProcessSP process_sp(GetProcess()); - if (process_sp) { - if (m_cached_stop_info_sp) { - SetStopInfo(m_cached_stop_info_sp); - } else { - SetStopInfo(StopInfo::CreateStopReasonWithSignal(*this, SIGSTOP)); - } - return true; - } - return false; -} - -void ThreadKDP::SetStopInfoFrom_KDP_EXCEPTION( - const DataExtractor &exc_reply_packet) { - lldb::offset_t offset = 0; - uint8_t reply_command = exc_reply_packet.GetU8(&offset); - if (reply_command == CommunicationKDP::KDP_EXCEPTION) { - offset = 8; - const uint32_t count = exc_reply_packet.GetU32(&offset); - if (count >= 1) { - // const uint32_t cpu = exc_reply_packet.GetU32 (&offset); - offset += 4; // Skip the useless CPU field - const uint32_t exc_type = exc_reply_packet.GetU32(&offset); - const uint32_t exc_code = exc_reply_packet.GetU32(&offset); - const uint32_t exc_subcode = exc_reply_packet.GetU32(&offset); - // We have to make a copy of the stop info because the thread list will - // iterate through the threads and clear all stop infos.. - - // Let the StopInfoMachException::CreateStopReasonWithMachException() - // function update the PC if needed as we might hit a software breakpoint - // and need to decrement the PC (i386 and x86_64 need this) and KDP - // doesn't do this for us. - const bool pc_already_adjusted = false; - const bool adjust_pc_if_needed = true; - - m_cached_stop_info_sp = - StopInfoMachException::CreateStopReasonWithMachException( - *this, exc_type, 2, exc_code, exc_subcode, 0, pc_already_adjusted, - adjust_pc_if_needed); - } - } -} |