xref: /freebsd/contrib/opencsd/decoder/include/interfaces/trc_instr_decode_i.h (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
1 /*
2  * \file       trc_instr_decode_i.h
3  * \brief      OpenCSD : Interface for instruction decode.
4  *
5  * \copyright  Copyright (c) 2015, ARM Limited. All Rights Reserved.
6  */
7 
8 /*
9  * Redistribution and use in source and binary forms, with or without modification,
10  * are permitted provided that the following conditions are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright notice,
13  * this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright notice,
16  * this list of conditions and the following disclaimer in the documentation
17  * and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the copyright holder nor the names of its contributors
20  * may be used to endorse or promote products derived from this software without
21  * specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
30  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #ifndef ARM_TRC_INSTR_DECODE_I_H_INCLUDED
36 #define ARM_TRC_INSTR_DECODE_I_H_INCLUDED
37 
38 /*!
39  * @class IInstrDecode
40  * @ingroup ocsd_interfaces
41  * @brief Interface class to an instruction opcode decoder.
42  *
43  * The opcode decoder needs to be capable of limited decode required for trace
44  * execution flow determination.
45  *
46  */
47 class IInstrDecode
48 {
49 public:
50     IInstrDecode() {}; /**< Default constructor. */
51     virtual ~IInstrDecode() {}; /**< Default destructor. */
52 
53     /*!
54      * Instruction opcode decode for the packet trace decoder to follow the
55      * instruction execution flow.
56      *
57      * @param *instr_info : Structure to pass current opcode, and receive required decode information.
58      *
59      * @return ocsd_err_t  : OCSD_OK if successful.
60      */
61     virtual ocsd_err_t DecodeInstruction(ocsd_instr_info *instr_info) = 0;
62 };
63 
64 #endif // ARM_TRC_INSTR_DECODE_I_H_INCLUDED
65 
66 /* End of File trc_instr_decode_i.h */
67