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/*
* \file       trc_etmv4_stack_elem.cpp
* \brief      OpenCSD : ETMv4 decoder
*
* \copyright  Copyright (c) 2017, 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 "opencsd/etmv4/trc_etmv4_stack_elem.h"

/* implementation of P0 element stack in ETM v4 trace*/
TrcStackElem *EtmV4P0Stack::createParamElemNoParam(const p0_elem_t p0_type, const bool isP0, const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, bool back /*= false*/)
{
    TrcStackElem *pElem = new (std::nothrow) TrcStackElem(p0_type, isP0, root_pkt, root_index);
    if (pElem)
    {
        if (back)
            push_back(pElem);
        else
            push_front(pElem);
    }
    return pElem;
}

TrcStackElemParam *EtmV4P0Stack::createParamElem(const p0_elem_t p0_type, const bool isP0, const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const std::vector<uint32_t> &params)
{
    TrcStackElemParam *pElem = new (std::nothrow) TrcStackElemParam(p0_type, isP0, root_pkt, root_index);
    if (pElem)
    {
        int param_idx = 0;
        int params_to_fill = params.size();
        while ((param_idx < 4) && params_to_fill)
        {
            pElem->setParam(params[param_idx], param_idx);
            param_idx++;
            params_to_fill--;
        }
        push_front(pElem);
    }
    return pElem;
}

TrcStackElemAtom *EtmV4P0Stack::createAtomElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const ocsd_pkt_atom &atom)
{
    TrcStackElemAtom *pElem = new (std::nothrow) TrcStackElemAtom(root_pkt, root_index);
    if (pElem)
    {
        pElem->setAtom(atom);
        push_front(pElem);
    }
    return pElem;
}

TrcStackElemExcept *EtmV4P0Stack::createExceptElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const bool bSame, const uint16_t excepNum)
{
    TrcStackElemExcept *pElem = new (std::nothrow) TrcStackElemExcept(root_pkt, root_index);
    if (pElem)
    {
        pElem->setExcepNum(excepNum);
        pElem->setPrevSame(bSame);
        push_front(pElem);
    }
    return pElem;
}

TrcStackElemCtxt *EtmV4P0Stack::createContextElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const etmv4_context_t &context, const uint8_t IS, const bool back /*= false*/)
{
    TrcStackElemCtxt *pElem = new (std::nothrow) TrcStackElemCtxt(root_pkt, root_index);
    if (pElem)
    {
        pElem->setContext(context);
        pElem->setIS(IS);
        if (back)
            push_back(pElem);
        else
            push_front(pElem);
    }
    return pElem;

}

TrcStackElemAddr *EtmV4P0Stack::createAddrElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const etmv4_addr_val_t &addr_val)
{
    TrcStackElemAddr *pElem = new (std::nothrow) TrcStackElemAddr(root_pkt, root_index);
    if (pElem)
    {
        pElem->setAddr(addr_val);
        push_front(pElem);
    }
    return pElem;
}

TrcStackQElem *EtmV4P0Stack::createQElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const int count)
{
    TrcStackQElem *pElem = new (std::nothrow) TrcStackQElem(root_pkt, root_index);
    if (pElem)
    {
        pElem->setInstrCount(count);
        push_front(pElem);
    }
    return pElem;
}

// iteration functions
void EtmV4P0Stack::from_front_init()
{
    m_iter = m_P0_stack.begin();
}

TrcStackElem *EtmV4P0Stack::from_front_next()
{
    TrcStackElem *pElem = 0;
    if (m_iter != m_P0_stack.end())
    {
        pElem = *m_iter++;
    }
    return pElem;
}

void EtmV4P0Stack::erase_curr_from_front()
{
    std::deque<TrcStackElem *>::iterator erase_iter;
    erase_iter = m_iter;
    erase_iter--;
    m_P0_stack.erase(erase_iter);
}


/* End of file trc_etmv4_stack_elem.cpp */