1//===-- GDBRemote.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 "lldb/Utility/GDBRemote.h"
10
11#include "lldb/Utility/Flags.h"
12#include "lldb/Utility/Stream.h"
13
14#include <cstdio>
15
16using namespace lldb;
17using namespace lldb_private;
18using namespace llvm;
19
20StreamGDBRemote::StreamGDBRemote() : StreamString() {}
21
22StreamGDBRemote::StreamGDBRemote(uint32_t flags, uint32_t addr_size,
23 ByteOrder byte_order)
24 : StreamString(flags, addr_size, byte_order) {}
25
26StreamGDBRemote::~StreamGDBRemote() = default;
27
28int StreamGDBRemote::PutEscapedBytes(const void *s, size_t src_len) {
29 int bytes_written = 0;
30 const uint8_t *src = static_cast<const uint8_t *>(s);
31 bool binary_is_set = m_flags.Test(bit: eBinary);
32 m_flags.Clear(mask: eBinary);
33 while (src_len) {
34 uint8_t byte = *src;
35 src++;
36 src_len--;
37 if (byte == 0x23 || byte == 0x24 || byte == 0x7d || byte == 0x2a) {
38 bytes_written += PutChar(ch: 0x7d);
39 byte ^= 0x20;
40 }
41 bytes_written += PutChar(ch: byte);
42 };
43 if (binary_is_set)
44 m_flags.Set(eBinary);
45 return bytes_written;
46}
47
48llvm::StringRef GDBRemotePacket::GetTypeStr() const {
49 switch (type) {
50 case GDBRemotePacket::ePacketTypeSend:
51 return "send";
52 case GDBRemotePacket::ePacketTypeRecv:
53 return "read";
54 case GDBRemotePacket::ePacketTypeInvalid:
55 return "invalid";
56 }
57 llvm_unreachable("All enum cases should be handled");
58}
59
60void GDBRemotePacket::Dump(Stream &strm) const {
61 strm.Printf(format: "tid=0x%4.4" PRIx64 " <%4u> %s packet: %s\n", tid,
62 bytes_transmitted, GetTypeStr().data(), packet.data.c_str());
63}
64

source code of lldb/source/Utility/GDBRemote.cpp