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https://github.com/Gericom/teak-llvm.git
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9b1e1cdf23
GDBRemoteCommunicationServer classes. This involved adding a new packet named "qSpeedTest" which can test the speed of a packet send/response pairs using a wide variety of send/recv packet sizes. Added a few new connection classes: one for shared memory, and one for using mach messages (Apple only). The mach message stuff is experimental and not working yet, but added so I don't lose the code. The shared memory stuff uses pretty standard calls to setup shared memory. llvm-svn: 128837
141 lines
3.7 KiB
C++
141 lines
3.7 KiB
C++
//===-- StringExtractorGDBRemote.cpp ----------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// C Includes
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#include <string.h>
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "Utility/StringExtractorGDBRemote.h"
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StringExtractorGDBRemote::ResponseType
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StringExtractorGDBRemote::GetResponseType () const
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{
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if (m_packet.empty())
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return eUnsupported;
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switch (m_packet[0])
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{
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case 'E':
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if (m_packet.size() == 3 &&
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isxdigit(m_packet[1]) &&
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isxdigit(m_packet[2]))
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return eError;
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break;
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case 'O':
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if (m_packet.size() == 2 && m_packet[1] == 'K')
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return eOK;
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break;
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case '+':
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if (m_packet.size() == 1)
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return eAck;
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break;
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case '-':
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if (m_packet.size() == 1)
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return eNack;
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break;
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}
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return eResponse;
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}
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StringExtractorGDBRemote::ServerPacketType
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StringExtractorGDBRemote::GetServerPacketType () const
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{
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// Empty is not a supported packet...
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if (m_packet.empty())
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return eServerPacketType_invalid;
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const char *packet_cstr = m_packet.c_str();
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switch (m_packet[0])
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{
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case '\x03':
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if (m_packet.size() == 1)
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return eServerPacketType_interrupt;
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break;
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case '-':
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if (m_packet.size() == 1)
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return eServerPacketType_nack;
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break;
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case '+':
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if (m_packet.size() == 1)
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return eServerPacketType_ack;
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break;
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case 'Q':
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if (strcmp (packet_cstr, "QStartNoAckMode") == 0)
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return eServerPacketType_QStartNoAckMode;
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break;
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case 'q':
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if (packet_cstr[1] == 'S' && 0 == ::strncmp(packet_cstr, "qSpeedTest:", strlen("qSpeedTest:")))
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return eServerPacketType_qSpeedTest;
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else if (packet_cstr[1] == 'H' && 0 == ::strcmp (packet_cstr, "qHostInfo"))
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return eServerPacketType_qHostInfo;
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else if (packet_cstr[1] == 'P' && 0 == ::strncmp(packet_cstr, "qProcessInfoPID:", strlen("qProcessInfoPID:")))
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return eServerPacketType_qProcessInfoPID;
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else if (packet_cstr[1] == 'f' && 0 == ::strncmp(packet_cstr, "qfProcessInfo", strlen("qfProcessInfo")))
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return eServerPacketType_qfProcessInfo;
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else if (packet_cstr[1] == 'U' && 0 == ::strncmp(packet_cstr, "qUserName:", strlen("qUserName:")))
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return eServerPacketType_qUserName;
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else if (packet_cstr[1] == 'G' && 0 == ::strncmp(packet_cstr, "qGroupName:", strlen("qGroupName:")))
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return eServerPacketType_qGroupName;
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else if (packet_cstr[1] == 's' && 0 == ::strcmp (packet_cstr, "qsProcessInfo"))
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return eServerPacketType_qsProcessInfo;
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break;
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}
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return eServerPacketType_unimplemented;
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}
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bool
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StringExtractorGDBRemote::IsOKResponse() const
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{
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return GetResponseType () == eOK;
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}
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bool
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StringExtractorGDBRemote::IsUnsupportedResponse() const
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{
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return GetResponseType () == eUnsupported;
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}
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bool
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StringExtractorGDBRemote::IsNormalResponse() const
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{
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return GetResponseType () == eResponse;
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}
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bool
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StringExtractorGDBRemote::IsErrorResponse() const
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{
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return GetResponseType () == eError &&
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m_packet.size() == 3 &&
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isxdigit(m_packet[1]) &&
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isxdigit(m_packet[2]);
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}
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uint8_t
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StringExtractorGDBRemote::GetError ()
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{
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if (GetResponseType() == eError)
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{
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SetFilePos(1);
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return GetHexU8(255);
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}
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return 0;
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}
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