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*/
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)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
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)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
createAtomElem(const ocsd_etmv4_i_pkt_type root_pkt,const ocsd_trc_index_t root_index,const ocsd_pkt_atom & atom)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
createExceptElem(const ocsd_etmv4_i_pkt_type root_pkt,const ocsd_trc_index_t root_index,const bool bSame,const uint16_t excepNum)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
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)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
createAddrElem(const ocsd_etmv4_i_pkt_type root_pkt,const ocsd_trc_index_t root_index,const etmv4_addr_val_t & addr_val)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
createQElem(const ocsd_etmv4_i_pkt_type root_pkt,const ocsd_trc_index_t root_index,const int count)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 // iteration functions
from_front_init()132 void EtmV4P0Stack::from_front_init()
133 {
134 m_iter = m_P0_stack.begin();
135 }
136
from_front_next()137 TrcStackElem *EtmV4P0Stack::from_front_next()
138 {
139 TrcStackElem *pElem = 0;
140 if (m_iter != m_P0_stack.end())
141 {
142 pElem = *m_iter++;
143 }
144 return pElem;
145 }
146
erase_curr_from_front()147 void EtmV4P0Stack::erase_curr_from_front()
148 {
149 std::deque<TrcStackElem *>::iterator erase_iter;
150 erase_iter = m_iter;
151 erase_iter--;
152 m_P0_stack.erase(erase_iter);
153 }
154
155
156 /* End of file trc_etmv4_stack_elem.cpp */
157