1 /* 2 * \file trc_etmv4_stack_elem.cpp 3 * \brief OpenCSD : ETMv4 decoder 4 * 5 * \copyright Copyright (c) 2017, ARM Limited. All Rights Reserved. 6 */ 7 8 9 /* 10 * Redistribution and use in source and binary forms, with or without modification, 11 * are permitted provided that the following conditions are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright notice, 14 * this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright notice, 17 * this list of conditions and the following disclaimer in the documentation 18 * and/or other materials provided with the distribution. 19 * 20 * 3. Neither the name of the copyright holder nor the names of its contributors 21 * may be used to endorse or promote products derived from this software without 22 * specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #include "opencsd/etmv4/trc_etmv4_stack_elem.h" 37 38 /* implementation of P0 element stack in ETM v4 trace*/ 39 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*/) 40 { 41 TrcStackElem *pElem = new (std::nothrow) TrcStackElem(p0_type, isP0, root_pkt, root_index); 42 if (pElem) 43 { 44 if (back) 45 push_back(pElem); 46 else 47 push_front(pElem); 48 } 49 return pElem; 50 } 51 52 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> ¶ms) 53 { 54 TrcStackElemParam *pElem = new (std::nothrow) TrcStackElemParam(p0_type, isP0, root_pkt, root_index); 55 if (pElem) 56 { 57 int param_idx = 0; 58 int params_to_fill = params.size(); 59 while ((param_idx < 4) && params_to_fill) 60 { 61 pElem->setParam(params[param_idx], param_idx); 62 param_idx++; 63 params_to_fill--; 64 } 65 push_front(pElem); 66 } 67 return pElem; 68 } 69 70 TrcStackElemAtom *EtmV4P0Stack::createAtomElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const ocsd_pkt_atom &atom) 71 { 72 TrcStackElemAtom *pElem = new (std::nothrow) TrcStackElemAtom(root_pkt, root_index); 73 if (pElem) 74 { 75 pElem->setAtom(atom); 76 push_front(pElem); 77 } 78 return pElem; 79 } 80 81 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) 82 { 83 TrcStackElemExcept *pElem = new (std::nothrow) TrcStackElemExcept(root_pkt, root_index); 84 if (pElem) 85 { 86 pElem->setExcepNum(excepNum); 87 pElem->setPrevSame(bSame); 88 push_front(pElem); 89 } 90 return pElem; 91 } 92 93 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*/) 94 { 95 TrcStackElemCtxt *pElem = new (std::nothrow) TrcStackElemCtxt(root_pkt, root_index); 96 if (pElem) 97 { 98 pElem->setContext(context); 99 pElem->setIS(IS); 100 if (back) 101 push_back(pElem); 102 else 103 push_front(pElem); 104 } 105 return pElem; 106 107 } 108 109 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) 110 { 111 TrcStackElemAddr *pElem = new (std::nothrow) TrcStackElemAddr(root_pkt, root_index); 112 if (pElem) 113 { 114 pElem->setAddr(addr_val); 115 push_front(pElem); 116 } 117 return pElem; 118 } 119 120 TrcStackQElem *EtmV4P0Stack::createQElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const int count) 121 { 122 TrcStackQElem *pElem = new (std::nothrow) TrcStackQElem(root_pkt, root_index); 123 if (pElem) 124 { 125 pElem->setInstrCount(count); 126 push_front(pElem); 127 } 128 return pElem; 129 } 130 131 TrcStackElemMarker *EtmV4P0Stack::createMarkerElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const trace_marker_payload_t &marker) 132 { 133 TrcStackElemMarker *pElem = new (std::nothrow) TrcStackElemMarker(root_pkt, root_index); 134 if (pElem) 135 { 136 pElem->setMarker(marker); 137 push_front(pElem); 138 } 139 return pElem; 140 } 141 142 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) 143 { 144 TrcStackElemAddr *pElem = new (std::nothrow) TrcStackElemAddr(root_pkt, root_index, true); 145 if (pElem) 146 { 147 pElem->setAddr(addr_val); 148 push_front(pElem); 149 } 150 return pElem; 151 } 152 153 TrcStackElemITE *EtmV4P0Stack::createITEElem(const ocsd_etmv4_i_pkt_type root_pkt, const ocsd_trc_index_t root_index, const trace_sw_ite_t &ite) 154 { 155 TrcStackElemITE *pElem = new (std::nothrow) TrcStackElemITE(root_pkt, root_index); 156 if (pElem) 157 { 158 pElem->setITE(ite); 159 push_front(pElem); 160 } 161 return pElem; 162 } 163 164 165 // iteration functions 166 void EtmV4P0Stack::from_front_init() 167 { 168 m_iter = m_P0_stack.begin(); 169 } 170 171 TrcStackElem *EtmV4P0Stack::from_front_next() 172 { 173 TrcStackElem *pElem = 0; 174 if (m_iter != m_P0_stack.end()) 175 { 176 pElem = *m_iter++; 177 } 178 return pElem; 179 } 180 181 void EtmV4P0Stack::erase_curr_from_front() 182 { 183 std::deque<TrcStackElem *>::iterator erase_iter; 184 erase_iter = m_iter; 185 erase_iter--; 186 m_P0_stack.erase(erase_iter); 187 188 // explicitly delete the item here as the caller can no longer reference it. 189 // fixes memory leak from github issue #52 190 delete *erase_iter; 191 } 192 193 194 /* End of file trc_etmv4_stack_elem.cpp */ 195