/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationHistory.cpp
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1 | | //===-- GDBRemoteCommunicationHistory.cpp ---------------------------------===// |
2 | | // |
3 | | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | | // See https://llvm.org/LICENSE.txt for license information. |
5 | | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | | // |
7 | | //===----------------------------------------------------------------------===// |
8 | | |
9 | | #include "GDBRemoteCommunicationHistory.h" |
10 | | |
11 | | // Other libraries and framework includes |
12 | | #include "lldb/Utility/ConstString.h" |
13 | | #include "lldb/Utility/Log.h" |
14 | | |
15 | | using namespace llvm; |
16 | | using namespace lldb; |
17 | | using namespace lldb_private; |
18 | | using namespace lldb_private::process_gdb_remote; |
19 | | |
20 | | GDBRemoteCommunicationHistory::GDBRemoteCommunicationHistory(uint32_t size) |
21 | 2.34k | : m_packets() { |
22 | 2.34k | if (size) |
23 | 2.34k | m_packets.resize(size); |
24 | 2.34k | } |
25 | | |
26 | 2.24k | GDBRemoteCommunicationHistory::~GDBRemoteCommunicationHistory() = default; |
27 | | |
28 | | void GDBRemoteCommunicationHistory::AddPacket(char packet_char, |
29 | | GDBRemotePacket::Type type, |
30 | 4.57k | uint32_t bytes_transmitted) { |
31 | 4.57k | const size_t size = m_packets.size(); |
32 | 4.57k | if (size == 0) |
33 | 0 | return; |
34 | | |
35 | 4.57k | const uint32_t idx = GetNextIndex(); |
36 | 4.57k | m_packets[idx].packet.data.assign(1, packet_char); |
37 | 4.57k | m_packets[idx].type = type; |
38 | 4.57k | m_packets[idx].bytes_transmitted = bytes_transmitted; |
39 | 4.57k | m_packets[idx].packet_idx = m_total_packet_count; |
40 | 4.57k | m_packets[idx].tid = llvm::get_threadid(); |
41 | 4.57k | } |
42 | | |
43 | | void GDBRemoteCommunicationHistory::AddPacket(const std::string &src, |
44 | | uint32_t src_len, |
45 | | GDBRemotePacket::Type type, |
46 | 884k | uint32_t bytes_transmitted) { |
47 | 884k | const size_t size = m_packets.size(); |
48 | 884k | if (size == 0) |
49 | 0 | return; |
50 | | |
51 | 884k | const uint32_t idx = GetNextIndex(); |
52 | 884k | m_packets[idx].packet.data.assign(src, 0, src_len); |
53 | 884k | m_packets[idx].type = type; |
54 | 884k | m_packets[idx].bytes_transmitted = bytes_transmitted; |
55 | 884k | m_packets[idx].packet_idx = m_total_packet_count; |
56 | 884k | m_packets[idx].tid = llvm::get_threadid(); |
57 | 884k | } |
58 | | |
59 | 0 | void GDBRemoteCommunicationHistory::Dump(Stream &strm) const { |
60 | 0 | const uint32_t size = GetNumPacketsInHistory(); |
61 | 0 | const uint32_t first_idx = GetFirstSavedPacketIndex(); |
62 | 0 | const uint32_t stop_idx = m_curr_idx + size; |
63 | 0 | for (uint32_t i = first_idx; i < stop_idx; ++i) { |
64 | 0 | const uint32_t idx = NormalizeIndex(i); |
65 | 0 | const GDBRemotePacket &entry = m_packets[idx]; |
66 | 0 | if (entry.type == GDBRemotePacket::ePacketTypeInvalid || |
67 | 0 | entry.packet.data.empty()) |
68 | 0 | break; |
69 | 0 | strm.Printf("history[%u] ", entry.packet_idx); |
70 | 0 | entry.Dump(strm); |
71 | 0 | } |
72 | 0 | } |
73 | | |
74 | 57 | void GDBRemoteCommunicationHistory::Dump(Log *log) const { |
75 | 57 | if (!log || m_dumped_to_log) |
76 | 0 | return; |
77 | | |
78 | 57 | m_dumped_to_log = true; |
79 | 57 | const uint32_t size = GetNumPacketsInHistory(); |
80 | 57 | const uint32_t first_idx = GetFirstSavedPacketIndex(); |
81 | 57 | const uint32_t stop_idx = m_curr_idx + size; |
82 | 114 | for (uint32_t i = first_idx; i < stop_idx; ++i57 ) { |
83 | 114 | const uint32_t idx = NormalizeIndex(i); |
84 | 114 | const GDBRemotePacket &entry = m_packets[idx]; |
85 | 114 | if (entry.type == GDBRemotePacket::ePacketTypeInvalid || |
86 | 114 | entry.packet.data.empty()57 ) |
87 | 57 | break; |
88 | 57 | LLDB_LOGF(log, "history[%u] tid=0x%4.4" PRIx64 " <%4u> %s packet: %s", |
89 | 57 | entry.packet_idx, entry.tid, entry.bytes_transmitted, |
90 | 57 | (entry.type == GDBRemotePacket::ePacketTypeSend) ? "send" |
91 | 57 | : "read", |
92 | 57 | entry.packet.data.c_str()); |
93 | 57 | } |
94 | 57 | } |
95 | | |