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| //===-- GDBRemote.cpp -----------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Utility/GDBRemote.h"
#include "lldb/Utility/Flags.h"
#include "lldb/Utility/Stream.h"
#include <stdio.h>
using namespace lldb;
using namespace lldb_private;
using namespace llvm;
StreamGDBRemote::StreamGDBRemote() : StreamString() {}
StreamGDBRemote::StreamGDBRemote(uint32_t flags, uint32_t addr_size,
ByteOrder byte_order)
: StreamString(flags, addr_size, byte_order) {}
StreamGDBRemote::~StreamGDBRemote() {}
int StreamGDBRemote::PutEscapedBytes(const void *s, size_t src_len) {
int bytes_written = 0;
const uint8_t *src = static_cast<const uint8_t *>(s);
bool binary_is_set = m_flags.Test(eBinary);
m_flags.Clear(eBinary);
while (src_len) {
uint8_t byte = *src;
src++;
src_len--;
if (byte == 0x23 || byte == 0x24 || byte == 0x7d || byte == 0x2a) {
bytes_written += PutChar(0x7d);
byte ^= 0x20;
}
bytes_written += PutChar(byte);
};
if (binary_is_set)
m_flags.Set(eBinary);
return bytes_written;
}
void GDBRemotePacket::Serialize(raw_ostream &strm) const {
yaml::Output yout(strm);
yout << const_cast<GDBRemotePacket &>(*this);
strm.flush();
}
llvm::StringRef GDBRemotePacket::GetTypeStr() const {
switch (type) {
case GDBRemotePacket::ePacketTypeSend:
return "send";
case GDBRemotePacket::ePacketTypeRecv:
return "read";
case GDBRemotePacket::ePacketTypeInvalid:
return "invalid";
}
llvm_unreachable("All enum cases should be handled");
}
void GDBRemotePacket::Dump(Stream &strm) const {
strm.Printf("tid=0x%4.4" PRIx64 " <%4u> %s packet: %s\n", tid,
bytes_transmitted, GetTypeStr().data(), packet.data.c_str());
}
void yaml::ScalarEnumerationTraits<GDBRemotePacket::Type>::enumeration(
IO &io, GDBRemotePacket::Type &value) {
io.enumCase(value, "Invalid", GDBRemotePacket::ePacketTypeInvalid);
io.enumCase(value, "Send", GDBRemotePacket::ePacketTypeSend);
io.enumCase(value, "Recv", GDBRemotePacket::ePacketTypeRecv);
}
void yaml::ScalarTraits<GDBRemotePacket::BinaryData>::output(
const GDBRemotePacket::BinaryData &Val, void *, raw_ostream &Out) {
Out << toHex(Val.data);
}
StringRef yaml::ScalarTraits<GDBRemotePacket::BinaryData>::input(
StringRef Scalar, void *, GDBRemotePacket::BinaryData &Val) {
Val.data = fromHex(Scalar);
return {};
}
void yaml::MappingTraits<GDBRemotePacket>::mapping(IO &io,
GDBRemotePacket &Packet) {
io.mapRequired("packet", Packet.packet);
io.mapRequired("type", Packet.type);
io.mapRequired("bytes", Packet.bytes_transmitted);
io.mapRequired("index", Packet.packet_idx);
io.mapRequired("tid", Packet.tid);
}
StringRef
yaml::MappingTraits<GDBRemotePacket>::validate(IO &io,
GDBRemotePacket &Packet) {
if (Packet.bytes_transmitted != Packet.packet.data.size())
return "BinaryData size doesn't match bytes transmitted";
return {};
}
|