forked from OSchip/llvm-project
102 lines
3.6 KiB
C++
102 lines
3.6 KiB
C++
//===-- GDBRemoteCommunicationHistory.cpp ---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "GDBRemoteCommunicationHistory.h"
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// Other libraries and framework includes
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#include "lldb/Core/StreamFile.h"
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#include "lldb/Utility/ConstString.h"
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#include "lldb/Utility/Log.h"
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using namespace llvm;
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using namespace lldb;
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using namespace lldb_private;
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using namespace lldb_private::process_gdb_remote;
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GDBRemoteCommunicationHistory::GDBRemoteCommunicationHistory(uint32_t size)
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: m_packets(), m_curr_idx(0), m_total_packet_count(0),
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m_dumped_to_log(false) {
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if (size)
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m_packets.resize(size);
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}
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GDBRemoteCommunicationHistory::~GDBRemoteCommunicationHistory() {}
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void GDBRemoteCommunicationHistory::AddPacket(char packet_char,
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GDBRemotePacket::Type type,
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uint32_t bytes_transmitted) {
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const size_t size = m_packets.size();
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if (size == 0)
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return;
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const uint32_t idx = GetNextIndex();
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m_packets[idx].packet.data.assign(1, packet_char);
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m_packets[idx].type = type;
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m_packets[idx].bytes_transmitted = bytes_transmitted;
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m_packets[idx].packet_idx = m_total_packet_count;
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m_packets[idx].tid = llvm::get_threadid();
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if (m_recorder)
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m_recorder->Record(m_packets[idx]);
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}
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void GDBRemoteCommunicationHistory::AddPacket(const std::string &src,
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uint32_t src_len,
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GDBRemotePacket::Type type,
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uint32_t bytes_transmitted) {
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const size_t size = m_packets.size();
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if (size == 0)
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return;
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const uint32_t idx = GetNextIndex();
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m_packets[idx].packet.data.assign(src, 0, src_len);
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m_packets[idx].type = type;
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m_packets[idx].bytes_transmitted = bytes_transmitted;
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m_packets[idx].packet_idx = m_total_packet_count;
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m_packets[idx].tid = llvm::get_threadid();
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if (m_recorder)
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m_recorder->Record(m_packets[idx]);
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}
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void GDBRemoteCommunicationHistory::Dump(Stream &strm) const {
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const uint32_t size = GetNumPacketsInHistory();
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const uint32_t first_idx = GetFirstSavedPacketIndex();
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const uint32_t stop_idx = m_curr_idx + size;
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for (uint32_t i = first_idx; i < stop_idx; ++i) {
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const uint32_t idx = NormalizeIndex(i);
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const GDBRemotePacket &entry = m_packets[idx];
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if (entry.type == GDBRemotePacket::ePacketTypeInvalid ||
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entry.packet.data.empty())
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break;
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strm.Printf("history[%u] ", entry.packet_idx);
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entry.Dump(strm);
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}
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}
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void GDBRemoteCommunicationHistory::Dump(Log *log) const {
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if (!log || m_dumped_to_log)
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return;
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m_dumped_to_log = true;
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const uint32_t size = GetNumPacketsInHistory();
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const uint32_t first_idx = GetFirstSavedPacketIndex();
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const uint32_t stop_idx = m_curr_idx + size;
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for (uint32_t i = first_idx; i < stop_idx; ++i) {
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const uint32_t idx = NormalizeIndex(i);
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const GDBRemotePacket &entry = m_packets[idx];
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if (entry.type == GDBRemotePacket::ePacketTypeInvalid ||
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entry.packet.data.empty())
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break;
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LLDB_LOGF(log, "history[%u] tid=0x%4.4" PRIx64 " <%4u> %s packet: %s",
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entry.packet_idx, entry.tid, entry.bytes_transmitted,
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(entry.type == GDBRemotePacket::ePacketTypeSend) ? "send"
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: "read",
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entry.packet.data.c_str());
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}
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}
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