1 files changed, 63 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Utility/GDBRemote.cpp b/contrib/llvm-project/lldb/source/Utility/GDBRemote.cpp
new file mode 100644
index 000000000000..276b1276f4e6
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Utility/GDBRemote.cpp
@@ -0,0 +1,63 @@
+//===-- 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 <cstdio>
+
+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() = default;
+
+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;
+}
+
+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());
+}