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1 //===-- GDBRemote.cpp -----------------------------------------------------===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8
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9 #include "lldb/Utility/GDBRemote.h"
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10
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11 #include "lldb/Utility/Flags.h"
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12 #include "lldb/Utility/Stream.h"
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13
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221
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14 #include <cstdio>
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150
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15
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16 using namespace lldb;
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17 using namespace lldb_private;
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18 using namespace llvm;
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19
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20 StreamGDBRemote::StreamGDBRemote() : StreamString() {}
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21
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22 StreamGDBRemote::StreamGDBRemote(uint32_t flags, uint32_t addr_size,
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23 ByteOrder byte_order)
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24 : StreamString(flags, addr_size, byte_order) {}
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25
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223
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26 StreamGDBRemote::~StreamGDBRemote() = default;
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150
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27
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28 int StreamGDBRemote::PutEscapedBytes(const void *s, size_t src_len) {
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29 int bytes_written = 0;
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30 const uint8_t *src = static_cast<const uint8_t *>(s);
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31 bool binary_is_set = m_flags.Test(eBinary);
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32 m_flags.Clear(eBinary);
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33 while (src_len) {
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34 uint8_t byte = *src;
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35 src++;
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36 src_len--;
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37 if (byte == 0x23 || byte == 0x24 || byte == 0x7d || byte == 0x2a) {
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38 bytes_written += PutChar(0x7d);
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39 byte ^= 0x20;
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40 }
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41 bytes_written += PutChar(byte);
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42 };
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43 if (binary_is_set)
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44 m_flags.Set(eBinary);
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45 return bytes_written;
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46 }
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47
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48 llvm::StringRef GDBRemotePacket::GetTypeStr() const {
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49 switch (type) {
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50 case GDBRemotePacket::ePacketTypeSend:
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51 return "send";
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52 case GDBRemotePacket::ePacketTypeRecv:
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53 return "read";
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54 case GDBRemotePacket::ePacketTypeInvalid:
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55 return "invalid";
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56 }
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57 llvm_unreachable("All enum cases should be handled");
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58 }
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59
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60 void GDBRemotePacket::Dump(Stream &strm) const {
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61 strm.Printf("tid=0x%4.4" PRIx64 " <%4u> %s packet: %s\n", tid,
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62 bytes_transmitted, GetTypeStr().data(), packet.data.c_str());
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63 }
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