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-rw-r--r--source/Utility/GDBRemote.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/source/Utility/GDBRemote.cpp b/source/Utility/GDBRemote.cpp
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+++ b/source/Utility/GDBRemote.cpp
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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 {};
+}