/* * \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 ¶ms) { 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; } TrcStackElemMarker *EtmV4P0Stack::createMarkerElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const trace_marker_payload_t &marker) { TrcStackElemMarker *pElem = new (std::nothrow) TrcStackElemMarker(root_pkt, root_index); if (pElem) { pElem->setMarker(marker); push_front(pElem); } return pElem; } TrcStackElemAddr *EtmV4P0Stack::createSrcAddrElem(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, true); if (pElem) { pElem->setAddr(addr_val); push_front(pElem); } return pElem; } TrcStackElemITE *EtmV4P0Stack::createITEElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const trace_sw_ite_t &ite) { TrcStackElemITE *pElem = new (std::nothrow) TrcStackElemITE(root_pkt, root_index); if (pElem) { pElem->setITE(ite); 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::iterator erase_iter; erase_iter = m_iter; erase_iter--; TrcStackElem* pElem = *erase_iter; // prevent overrun if we are erasing the last element // - end() returned if no elements after the erased one. m_iter = m_P0_stack.erase(erase_iter); // explicitly delete the item here as the caller can no longer reference it. // fixes memory leak from github issue #52 delete pElem; } /* End of file trc_etmv4_stack_elem.cpp */