1 /*
2 * \file trc_printable_elem.cpp
3 * \brief OpenCSD :
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 #include "common/trc_printable_elem.h"
36 #include <cassert>
37 #include <cstring>
38 #include <cinttypes>
39
getValStr(std::string & valStr,const int valTotalBitSize,const int valValidBits,const uint64_t value,const bool asHex,const int updateBits)40 void trcPrintableElem::getValStr(std::string &valStr, const int valTotalBitSize, const int valValidBits, const uint64_t value, const bool asHex /* = true*/, const int updateBits /* = 0*/)
41 {
42 static char szStrBuffer[128];
43 static char szFormatBuffer[32];
44
45 assert((valTotalBitSize >= 4) && (valTotalBitSize <= 64));
46
47 valStr = "0x";
48
49 if(asHex)
50 {
51 int numHexChars = valTotalBitSize / 4;
52 numHexChars += ((valTotalBitSize % 4) > 0) ? 1 : 0;
53
54 int validChars = valValidBits / 4;
55 if((valValidBits % 4) > 0) validChars++;
56 if (validChars < numHexChars)
57 {
58 int QM = numHexChars - validChars;
59 while (QM)
60 {
61 QM--;
62 valStr += "?";
63 }
64 }
65 if(valValidBits > 32)
66 {
67 sprintf(szFormatBuffer,"%%0%dllX",validChars); // create the format
68 sprintf(szStrBuffer,szFormatBuffer,value); // fill the buffer
69 }
70 else
71 {
72 sprintf(szFormatBuffer,"%%0%dlX",validChars); // create the format
73 sprintf(szStrBuffer,szFormatBuffer,(uint32_t)value); // fill the buffer
74 }
75 valStr+=szStrBuffer;
76 if(valValidBits < valTotalBitSize)
77 {
78 sprintf(szStrBuffer," (%d:0)", valValidBits-1);
79 valStr+=szStrBuffer;
80 }
81
82 if(updateBits)
83 {
84 uint64_t updateMask = ~0ULL;
85 updateMask >>= 64-updateBits;
86 sprintf(szStrBuffer," ~[0x%" PRIX64 "]",value & updateMask);
87 valStr+=szStrBuffer;
88 }
89 }
90 else
91 {
92 valStr = "";
93 if(valValidBits < valTotalBitSize)
94 valStr += "??";
95 if(valValidBits > 32)
96 {
97 sprintf(szStrBuffer,"%" PRIu64 ,value);
98 }
99 else
100 {
101 sprintf(szStrBuffer,"%" PRIu32 ,(uint32_t)value);
102 }
103 valStr += szStrBuffer;
104 if(valValidBits < valTotalBitSize)
105 {
106 sprintf(szStrBuffer," (%d:0)", valValidBits-1);
107 valStr+=szStrBuffer;
108 }
109 }
110 }
111
112
113 /* End of File trc_printable_elem.cpp */
114