1 //===-- StreamGDBRemote.cpp -------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Utility/StreamGDBRemote.h"
11 
12 #include "lldb/Utility/Flags.h"
13 #include "lldb/Utility/Stream.h"
14 
15 #include <stdio.h>
16 
17 using namespace lldb;
18 using namespace lldb_private;
19 
StreamGDBRemote()20 StreamGDBRemote::StreamGDBRemote() : StreamString() {}
21 
StreamGDBRemote(uint32_t flags,uint32_t addr_size,ByteOrder byte_order)22 StreamGDBRemote::StreamGDBRemote(uint32_t flags, uint32_t addr_size,
23                                  ByteOrder byte_order)
24     : StreamString(flags, addr_size, byte_order) {}
25 
~StreamGDBRemote()26 StreamGDBRemote::~StreamGDBRemote() {}
27 
PutEscapedBytes(const void * s,size_t src_len)28 int StreamGDBRemote::PutEscapedBytes(const void *s, size_t src_len) {
29   int bytes_written = 0;
30   const uint8_t *src = (const uint8_t *)s;
31   bool binary_is_set = m_flags.Test(eBinary);
32   m_flags.Clear(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(0x7d);
39       byte ^= 0x20;
40     }
41     bytes_written += PutChar(byte);
42   };
43   if (binary_is_set)
44     m_flags.Set(eBinary);
45   return bytes_written;
46 }
47