source: rtems-tools/tester/covoar/CoverageMapBase.cc @ fb987e8

5
Last change on this file since fb987e8 was fb987e8, checked in by Chris Johns <chrisj@…>, on 05/08/18 at 05:09:39

covoar: Use DWARF to map addresses to source files and lines.

  • Property mode set to 100644
File size: 8.0 KB
RevLine 
[100f517]1
2/*! @file CoverageMapBase.cc
3 *  @brief CoverageMapBase Implementation
4 *
[fb987e8]5 *  This file contains the implementation of the functions
[100f517]6 *  which provide a base level of functionality of a CoverageMap.
7 */
8
9#include <limits.h>
10#include <stdio.h>
11#include <stdlib.h>
12
13#include "CoverageMapBase.h"
14
15namespace Coverage {
16
17  CoverageMapBase::CoverageMapBase(
[cb018bc]18    const std::string& exefileName,
19    uint32_t           low,
20    uint32_t           high
[100f517]21  )
22  {
23    uint32_t       a;
24    AddressRange_t range;
25
[cb018bc]26    range.fileName    = exefileName;
[100f517]27    range.lowAddress  = low;
28    range.highAddress = high;
29    RangeList.push_back( range );
30
31    Size = high - low + 1;
32
33    Info = new perAddressInfo_t[ Size ];
34
35    for (a=0; a<Size; a++) {
36
37      perAddressInfo_t *i = &Info[ a ];
38
39      i->isStartOfInstruction = false;
40      i->wasExecuted          = 0;
41      i->isBranch             = false;
42      i->isNop                = false;
43      i->wasTaken             = 0;
44      i->wasNotTaken          = 0;
45    }
46  }
47
48  CoverageMapBase::~CoverageMapBase()
49  {
50    if (Info)
51      delete Info;
52  }
[fb987e8]53
[100f517]54  void  CoverageMapBase::Add( uint32_t low, uint32_t high )
55  {
56    AddressRange_t range;
57
58    range.lowAddress  = low;
59    range.highAddress = high;
60    RangeList.push_back( range );
61  }
[fb987e8]62
63  bool CoverageMapBase::determineOffset(
64    uint32_t  address,
[100f517]65    uint32_t *offset
66  )const
67  {
68    AddressRange::const_iterator  itr;
69
70    for ( itr = RangeList.begin(); itr != RangeList.end(); itr++ ) {
71      if ((address >= itr->lowAddress) && (address <= itr->highAddress)){
72        *offset = address - itr->lowAddress;
73        return true;
74      }
75    }
76    *offset = 0;
77    return false;
78  }
79
80
81  void CoverageMapBase::dump( void ) const {
82
83    uint32_t          a;
84    perAddressInfo_t* entry;
85
86    fprintf( stderr, "Coverage Map Contents:\n" );
87
88    /*
89     * XXX - Dump is only marking the first Address Range.
90     */
91
92    for (a = 0; a < Size; a++) {
93
94      entry = &Info[ a ];
95
96      fprintf(
97        stderr,
98        "0x%x - isStartOfInstruction = %s, wasExecuted = %s\n",
99        a + RangeList.front().lowAddress,
100        entry->isStartOfInstruction ? "TRUE" : "FALSE",
101        entry->wasExecuted ? "TRUE" : "FALSE"
102      );
103      fprintf(
104        stderr,
105        "           isBranch = %s, wasTaken = %s, wasNotTaken = %s\n",
106        entry->isBranch ? "TRUE" : "FALSE",
107        entry->wasTaken ? "TRUE" : "FALSE",
108        entry->wasNotTaken ? "TRUE" : "FALSE"
109      );
110    }
111  }
112
113  bool CoverageMapBase::getBeginningOfInstruction(
114    uint32_t  address,
115    uint32_t* beginning
116  ) const
117  {
118    bool           status = false;
119    uint32_t       start;
120    AddressRange_t range;
121
122
123    status = getRange( address, &range );
124    if ( status != true )
125      return status;
126
127    start = address;
128
129    while (start >= range.lowAddress ) {
130      if (Info[ start - range.lowAddress ].isStartOfInstruction) {
131        *beginning = start;
132        status = true;
133        break;
134      }
135      else
136        start--;
137    }
138
139    return status;
140  }
141
142  int32_t CoverageMapBase::getFirstLowAddress() const
143  {
144    return RangeList.front().lowAddress;
145  }
146
147  bool CoverageMapBase::getRange( uint32_t address, AddressRange_t *range ) const
148  {
149    AddressRange::const_iterator  itr;
150
151    for ( itr = RangeList.begin(); itr != RangeList.end(); itr++ ) {
152      if ((address >= itr->lowAddress) && (address <= itr->highAddress)){
153        range->lowAddress = itr->lowAddress;
154        range->highAddress = itr->highAddress;
155        return true;
156      }
157    }
158
159    range->lowAddress  = 0;
160    range->highAddress = 0;
161
162    return false;
163
164  }
165
166  uint32_t CoverageMapBase::getSize() const
167  {
168    return Size;
169  }
170
171  void CoverageMapBase::setIsStartOfInstruction(
172    uint32_t    address
173  )
174  {
175    uint32_t offset;
[fb987e8]176
[100f517]177    if (determineOffset( address, &offset ) != true)
178      return;
179
180    Info[ offset ].isStartOfInstruction = true;
181  }
182
183  bool CoverageMapBase::isStartOfInstruction( uint32_t address ) const
184  {
185    uint32_t offset;
[fb987e8]186
[100f517]187    if (determineOffset( address, &offset ) != true)
188      return false;
189
190    return Info[ offset ].isStartOfInstruction;
191  }
192
193  void CoverageMapBase::setWasExecuted( uint32_t address )
194  {
195    uint32_t offset;
[fb987e8]196
[100f517]197    if (determineOffset( address, &offset ) != true)
198      return;
199
200    Info[ offset ].wasExecuted += 1;
201  }
202
203  void CoverageMapBase::sumWasExecuted( uint32_t address, uint32_t addition)
204  {
205    uint32_t offset;
[fb987e8]206
[100f517]207    if (determineOffset( address, &offset ) != true)
208      return;
209
210    Info[ offset ].wasExecuted += addition;
211  }
212
213  bool CoverageMapBase::wasExecuted( uint32_t address ) const
214  {
215    uint32_t offset;
216    bool     result;
[fb987e8]217
[100f517]218    result = true;
219
220    if (determineOffset( address, &offset ) != true)
221      result = false;
222
223    if (Info[ offset ].wasExecuted <= 0)
224      result = false;
225
226    return result;
227  }
228
229  uint32_t CoverageMapBase::getWasExecuted( uint32_t address ) const
230  {
231    uint32_t offset;
232
233    if (determineOffset( address, &offset ) != true)
234      return 0;
235
[fb987e8]236    return Info[ offset ].wasExecuted;
[100f517]237  }
238
239  void CoverageMapBase::setIsBranch(
240    uint32_t    address
241  )
242  {
243    uint32_t offset;
[fb987e8]244
[100f517]245    if (determineOffset( address, &offset ) != true)
246      return;
247
248    Info[ offset ].isBranch = true;
249  }
250
251  bool CoverageMapBase::isNop( uint32_t address ) const
252  {
253    uint32_t offset;
[fb987e8]254
[100f517]255    if (determineOffset( address, &offset ) != true)
256      return false;
257
258    return Info[ offset ].isNop;
259  }
260
261  void CoverageMapBase::setIsNop(
262    uint32_t    address
263  )
264  {
265    uint32_t offset;
[fb987e8]266
[100f517]267    if (determineOffset( address, &offset ) != true)
268      return;
269
270    Info[ offset ].isNop = true;
271  }
272
273  bool CoverageMapBase::isBranch( uint32_t address ) const
274  {
275    uint32_t offset;
[fb987e8]276
[100f517]277    if (determineOffset( address, &offset ) != true)
278      return false;
279
280    return Info[ offset ].isBranch;
281  }
282
283  void CoverageMapBase::setWasTaken(
284    uint32_t    address
285  )
286  {
287    uint32_t offset;
[fb987e8]288
[100f517]289    if (determineOffset( address, &offset ) != true)
290      return;
291
292    Info[ offset ].wasTaken += 1;
293  }
294
295  void CoverageMapBase::setWasNotTaken(
296    uint32_t    address
297  )
298  {
299    uint32_t offset;
[fb987e8]300
[100f517]301    if (determineOffset( address, &offset ) != true)
302      return;
303
304    Info[ offset ].wasNotTaken += 1;
305  }
306
307  bool CoverageMapBase::wasAlwaysTaken( uint32_t address ) const
308  {
309    uint32_t offset;
[fb987e8]310
[100f517]311    if (determineOffset( address, &offset ) != true)
312      return false;
313
314    return (Info[ offset ].wasTaken &&
315            !Info[ offset ].wasNotTaken);
316  }
317
318  bool CoverageMapBase::wasNeverTaken( uint32_t address ) const
319  {
320    uint32_t offset;
[fb987e8]321
[100f517]322    if (determineOffset( address, &offset ) != true)
323      return false;
324
325    return (!Info[ offset ].wasTaken &&
326            Info[ offset ].wasNotTaken);
327  }
328
329  bool CoverageMapBase::wasNotTaken( uint32_t address ) const
330  {
331            uint32_t offset;
332            bool     result;
333
334            result = true;
335
336            if (determineOffset( address, &offset ) != true)
337              result = false;
338
339            if (Info[ offset ].wasNotTaken <= 0)
340              result = false;
341
342            return result;
343  }
344
345  void CoverageMapBase::sumWasNotTaken( uint32_t address, uint32_t addition)
346  {
347    uint32_t offset;
348
349    if (determineOffset( address, &offset ) != true)
350      return;
351
352    Info[ offset ].wasNotTaken += addition;
353  }
354
355  uint32_t CoverageMapBase::getWasNotTaken( uint32_t address ) const
356  {
357    uint32_t offset;
358
359    if (determineOffset( address, &offset ) != true)
360      return 0;
361
362    return Info[ offset ].wasNotTaken;
363  }
364
365  bool CoverageMapBase::wasTaken( uint32_t address ) const
366  {
367    uint32_t offset;
368    bool     result;
369
370    result = true;
[fb987e8]371
[100f517]372    if (determineOffset( address, &offset ) != true)
373      result = false;
374
375    if (Info[ offset ].wasTaken <= 0)
376      result = false;
377
378    return result;
379  }
380
381  void CoverageMapBase::sumWasTaken( uint32_t address, uint32_t addition)
382  {
383    uint32_t offset;
384
385    if (determineOffset( address, &offset ) != true)
386      return;
387
388    Info[ offset ].wasTaken += addition;
389  }
390
391  uint32_t CoverageMapBase::getWasTaken( uint32_t address ) const
392  {
393    uint32_t offset;
394
395    if (determineOffset( address, &offset ) != true)
396      return 0;
397
398    return Info[ offset ].wasTaken;
399  }
400}
Note: See TracBrowser for help on using the repository browser.