freebsd-dev/contrib/opencsd/decoder/source/ocsd_lib_dcd_register.cpp
2018-04-04 12:55:31 +00:00

216 lines
7.2 KiB
C++

/*
* \file ocsd_lib_dcd_register.cpp
* \brief OpenCSD : Library decoder register object
*
* \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved.
*/
/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "common/ocsd_lib_dcd_register.h"
// include built-in decode manager headers
#include "opencsd/etmv4/trc_dcd_mngr_etmv4i.h"
#include "opencsd/etmv3/trc_dcd_mngr_etmv3.h"
#include "opencsd/ptm/trc_dcd_mngr_ptm.h"
#include "opencsd/stm/trc_dcd_mngr_stm.h"
// create array of built-in decoders to register with library
static built_in_decoder_info_t sBuiltInArray[] = {
CREATE_BUILTIN_ENTRY(DecoderMngrEtmV4I,OCSD_BUILTIN_DCD_ETMV4I),
CREATE_BUILTIN_ENTRY(DecoderMngrEtmV3, OCSD_BUILTIN_DCD_ETMV3),
CREATE_BUILTIN_ENTRY(DecoderMngrPtm, OCSD_BUILTIN_DCD_PTM),
CREATE_BUILTIN_ENTRY(DecoderMngrStm, OCSD_BUILTIN_DCD_STM)
//{ 0, 0, 0}
};
#define NUM_BUILTINS sizeof(sBuiltInArray) / sizeof(built_in_decoder_info_t)
OcsdLibDcdRegister *OcsdLibDcdRegister::m_p_libMngr = 0;
bool OcsdLibDcdRegister::m_b_registeredBuiltins = false;
ocsd_trace_protocol_t OcsdLibDcdRegister::m_nextCustomProtocolID = OCSD_PROTOCOL_CUSTOM_0;
OcsdLibDcdRegister *OcsdLibDcdRegister::getDecoderRegister()
{
if(m_p_libMngr == 0)
m_p_libMngr = new (std::nothrow) OcsdLibDcdRegister();
return m_p_libMngr;
}
const ocsd_trace_protocol_t OcsdLibDcdRegister::getNextCustomProtocolID()
{
ocsd_trace_protocol_t ret = m_nextCustomProtocolID;
if(m_nextCustomProtocolID < OCSD_PROTOCOL_END)
m_nextCustomProtocolID = (ocsd_trace_protocol_t)(((int)m_nextCustomProtocolID)+1);
return ret;
}
void OcsdLibDcdRegister::releaseLastCustomProtocolID()
{
if(m_nextCustomProtocolID > OCSD_PROTOCOL_CUSTOM_0)
m_nextCustomProtocolID = (ocsd_trace_protocol_t)(((int)m_nextCustomProtocolID)-1);
}
OcsdLibDcdRegister::OcsdLibDcdRegister()
{
m_iter = m_decoder_mngrs.begin();
m_pLastTypedDecoderMngr = 0;
}
OcsdLibDcdRegister::~OcsdLibDcdRegister()
{
m_decoder_mngrs.clear();
m_typed_decoder_mngrs.clear();
m_pLastTypedDecoderMngr = 0;
}
const ocsd_err_t OcsdLibDcdRegister::registerDecoderTypeByName(const std::string &name, IDecoderMngr *p_decoder_fact)
{
if(isRegisteredDecoder(name))
return OCSD_ERR_DCDREG_NAME_REPEAT;
m_decoder_mngrs.emplace(std::pair<const std::string, IDecoderMngr *>(name,p_decoder_fact));
m_typed_decoder_mngrs.emplace(std::pair<const ocsd_trace_protocol_t, IDecoderMngr *>(p_decoder_fact->getProtocolType(),p_decoder_fact));
return OCSD_OK;
}
void OcsdLibDcdRegister::registerBuiltInDecoders()
{
bool memFail = false;
for(unsigned i = 0; i < NUM_BUILTINS; i++)
{
if(sBuiltInArray[i].PFn)
{
sBuiltInArray[i].pMngr = sBuiltInArray[i].PFn( sBuiltInArray[i].name);
if(!sBuiltInArray[i].pMngr)
memFail=true;
}
}
m_b_registeredBuiltins = !memFail;
}
void OcsdLibDcdRegister::deregisterAllDecoders()
{
if(m_b_registeredBuiltins)
{
for(unsigned i = 0; i < NUM_BUILTINS; i++)
delete sBuiltInArray[i].pMngr;
m_b_registeredBuiltins = false;
}
if(m_p_libMngr)
{
m_p_libMngr->deRegisterCustomDecoders();
delete m_p_libMngr;
m_p_libMngr = 0;
}
}
void OcsdLibDcdRegister::deRegisterCustomDecoders()
{
std::map<const ocsd_trace_protocol_t, IDecoderMngr *>::const_iterator iter = m_typed_decoder_mngrs.begin();
while(iter != m_typed_decoder_mngrs.end())
{
IDecoderMngr *pMngr = iter->second;
if(pMngr->getProtocolType() >= OCSD_PROTOCOL_CUSTOM_0)
delete pMngr;
iter++;
}
}
const ocsd_err_t OcsdLibDcdRegister::getDecoderMngrByName(const std::string &name, IDecoderMngr **p_decoder_mngr)
{
if(!m_b_registeredBuiltins)
{
registerBuiltInDecoders();
if(!m_b_registeredBuiltins)
return OCSD_ERR_MEM;
}
std::map<const std::string, IDecoderMngr *>::const_iterator iter = m_decoder_mngrs.find(name);
if(iter == m_decoder_mngrs.end())
return OCSD_ERR_DCDREG_NAME_UNKNOWN;
*p_decoder_mngr = iter->second;
return OCSD_OK;
}
const ocsd_err_t OcsdLibDcdRegister::getDecoderMngrByType(const ocsd_trace_protocol_t decoderType, IDecoderMngr **p_decoder_mngr)
{
if(!m_b_registeredBuiltins)
{
registerBuiltInDecoders();
if(!m_b_registeredBuiltins)
return OCSD_ERR_MEM;
}
if (m_pLastTypedDecoderMngr && (m_pLastTypedDecoderMngr->getProtocolType() == decoderType))
*p_decoder_mngr = m_pLastTypedDecoderMngr;
else
{
std::map<const ocsd_trace_protocol_t, IDecoderMngr *>::const_iterator iter = m_typed_decoder_mngrs.find(decoderType);
if (iter == m_typed_decoder_mngrs.end())
return OCSD_ERR_DCDREG_TYPE_UNKNOWN;
*p_decoder_mngr = m_pLastTypedDecoderMngr = iter->second;
}
return OCSD_OK;
}
const bool OcsdLibDcdRegister::isRegisteredDecoder(const std::string &name)
{
std::map<const std::string, IDecoderMngr *>::const_iterator iter = m_decoder_mngrs.find(name);
if(iter != m_decoder_mngrs.end())
return true;
return false;
}
const bool OcsdLibDcdRegister::isRegisteredDecoderType(const ocsd_trace_protocol_t decoderType)
{
std::map<const ocsd_trace_protocol_t, IDecoderMngr *>::const_iterator iter = m_typed_decoder_mngrs.find(decoderType);
if(iter != m_typed_decoder_mngrs.end())
return true;
return false;
}
const bool OcsdLibDcdRegister::getFirstNamedDecoder(std::string &name)
{
m_iter = m_decoder_mngrs.begin();
return getNextNamedDecoder(name);
}
const bool OcsdLibDcdRegister::getNextNamedDecoder(std::string &name)
{
if(m_iter == m_decoder_mngrs.end())
return false;
name = m_iter->first;
m_iter++;
return true;
}
/* End of File ocsd_lib_dcd_register.cpp */