summaryrefslogtreecommitdiffstats
path: root/src/coff/base/coff_object.cpp
blob: 6a9a1824ff7e58510716a8c53ba589b844034402 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
/***************************************************************************
 *   Copyright (C) 2006 Nicolas Hadacek <hadacek@kde.org>                  *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 ***************************************************************************/
#include "coff_object.h"

#include "common/common/misc.h"
#include "devices/list/device_list.h"
#include "devices/base/device_group.h"
#include "devices/pic/base/pic_register.h"
#include "coff_data.h"
#include "common/global/pfile.h"

//----------------------------------------------------------------------------
bool Coff::getName(const TQByteArray &data, uint &offset, uint nbChars, uint stringTableOffset,
                   Log::Base &log, TQString &name)
{
  TQ_UINT32 v;
  if ( !getULong(data, offset, 4, log, v) ) return false;
  if ( v!=0 ) { // name is not in string table
    offset -= 4;
    return getString(data, offset, nbChars, log, name);
  }
  if ( !getULong(data, offset, 4, log, v) ) return false;
  // ### do a sanity check here
  name = TQString(data.data()+stringTableOffset+v);
  return true;
}

const Coff::OptHeaderFormat::Data Coff::OptHeaderFormat::DATA[Nb_Types] = {
  { 0, I18N_NOOP("Old Microchip") },
  { 0, I18N_NOOP("New Microchip") },
  { 0, I18N_NOOP("PICC Compiler") },
  { 0, I18N_NOOP("CCS Compiler")  }
};

const Coff::OptHeaderData Coff::OPT_HEADER_DATA[] = {
  { 0x5678, OptHeaderFormat::OldMicrochip, true  },
  { 0x0000, OptHeaderFormat::NewMicrochip, true  },
  { 0x0001, OptHeaderFormat::NewMicrochip, true  }, // PIC30 with debug
  { 0x1388, OptHeaderFormat::Picc,         false }, // PICC
  { 0x1B78, OptHeaderFormat::Ccsc,         false }, // CCSC
  { 0x0000, OptHeaderFormat::Nb_Types,     false }
};

//----------------------------------------------------------------------------
const Coff::AuxSymbolType::Data Coff::AuxSymbolType::DATA[Nb_Types] = {
  { 0, I18N_NOOP("Direct") },
  { 0, I18N_NOOP("File") },
  { 0, I18N_NOOP("Indentifier") },
  { 0, I18N_NOOP("Section") }
};

Coff::AuxSymbol *Coff::AuxSymbol::factory(const Object &object, AuxSymbolType type, const TQByteArray &data, uint offset, uint stringTableOffset, Log::Base &log)
{
  switch (type.type()) {
    case AuxSymbolType::Direct:     return new AuxSymbolDirect(object, data, offset, stringTableOffset, log);
    case AuxSymbolType::File:       return new AuxSymbolFile(object, data, offset, stringTableOffset, log);
    case AuxSymbolType::Identifier: return new AuxSymbolIdentifier(object, data, offset, stringTableOffset, log);
    case AuxSymbolType::Section:    return new AuxSymbolSection(object, data, offset, stringTableOffset, log);
    case AuxSymbolType::Nb_Types:   return new AuxSymbolUnknown(object);
  }
  Q_ASSERT(false);
  return 0;
}

Coff::AuxSymbolDirect::AuxSymbolDirect(const Object &object, const TQByteArray &data, uint start, uint stringTableOffset, Log::Base &log)
  : AuxSymbol(object)
{
  uint offset = start;
  TQ_UINT32 v;
  if ( !getULong(data, offset, 1, log, v) ) return;
  _command = v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  _string = TQString(data.data()+stringTableOffset+v);
}

Coff::AuxSymbolFile::AuxSymbolFile(const Object &object, const TQByteArray &data, uint start, uint stringTableOffset, Log::Base &log)
  : AuxSymbol(object)
{
  uint offset = start;
  TQ_UINT32 v;
  if ( object.format()==Format::PIC30 ) {
    if ( !getName(data, offset, 14, stringTableOffset, log, _filename) ) return;
    _line = 0;
  } else {
    if ( !getULong(data, offset, 4, log, v) ) return;
    _filename = TQString(data.data()+stringTableOffset+v);
    if ( !getULong(data, offset, 4, log, v) ) return;
    _line = v;
  }
}

Coff::AuxSymbolIdentifier::AuxSymbolIdentifier(const Object &object, const TQByteArray &data, uint start, uint stringTableOffset, Log::Base &log)
  : AuxSymbol(object)
{
  uint offset = start;
  TQ_UINT32 v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  _string = TQString(data.data()+stringTableOffset+v);
}

Coff::AuxSymbolSection::AuxSymbolSection(const Object &object, const TQByteArray &data, uint start, uint, Log::Base &log)
  : AuxSymbol(object)
{
  uint offset = start;
  TQ_UINT32 v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  _length = v;
  if ( !getULong(data, offset, 2, log, v) ) return;
  _nbRelocations = v;
  if ( !getULong(data, offset, 2, log, v) ) return;
  _nbLineNumbers = v;
}

//----------------------------------------------------------------------------
const Coff::SymbolSectionType::Data Coff::SymbolSectionType::DATA[Nb_Types] = {
  { 0, I18N_NOOP("Inside Section") },
  { 0, I18N_NOOP("Undefined Section") },
  { 0, I18N_NOOP("Absolute Value") },
  { 0, I18N_NOOP("Debug Symbol") }
};

const Coff::SymbolClass::Data Coff::SymbolClass::DATA[Nb_Types] = {
  { 0, I18N_NOOP("Automatic Variable"), 1 },
  { 0, I18N_NOOP("External Symbol"), 2 },
  { 0, I18N_NOOP("Static Symbol"), 3 },
  { 0, I18N_NOOP("Register Variable"), 4 },
  { 0, I18N_NOOP("External Definition"), 5 },
  { 0, I18N_NOOP("Label"), 6 },
  { 0, I18N_NOOP("Undefined Label"), 7 },
  { 0, I18N_NOOP("Member of Structure"), 8 },
  { 0, I18N_NOOP("Function Argument"), 9 },
  { 0, I18N_NOOP("Structure Tag"), 10 },
  { 0, I18N_NOOP("Member of Union"), 11 },
  { 0, I18N_NOOP("Union Tag"), 12 },
  { 0, I18N_NOOP("Type Definition"), 13 },
  { 0, I18N_NOOP("Undefined Static"), 14 },
  { 0, I18N_NOOP("Enumeration Tag"), 15 },
  { 0, I18N_NOOP("Member of Enumeration"), 16 },
  { 0, I18N_NOOP("Register Parameter"), 17 },
  { 0, I18N_NOOP("Bit Field"), 18 },
  { 0, I18N_NOOP("Auto Argument"), 19 },
  { 0, I18N_NOOP("Dummy Entry (end of block)"), 20 },
  { 0, I18N_NOOP("Beginning or End of Block"), 100 },
  { 0, I18N_NOOP("Beginning or End of Function"), 101 },
  { 0, I18N_NOOP("End of Structure"), 102 },
  { 0, I18N_NOOP("Filename"), 103 },
  { 0, I18N_NOOP("Line Number"), 104 },
  { 0, I18N_NOOP("Duplicate Tag"), 105 },
  { 0, I18N_NOOP("Section"), 109 }
};

const Coff::SymbolType::Data Coff::SymbolType::DATA[Nb_Types] = {
  { 0, I18N_NOOP("Void"), 0x0001 },
  { 0, I18N_NOOP("Char"), 0x0010 },
  { 0, I18N_NOOP("Short"), 0x0011 },
  { 0, I18N_NOOP("Int"), 0x0100 },
  { 0, I18N_NOOP("Long"), 0x0101 },
  { 0, I18N_NOOP("Float"), 0x0110 },
  { 0, I18N_NOOP("Double"), 0x0111 },
  { 0, I18N_NOOP("Structure"), 0x1000 },
  { 0, I18N_NOOP("Union"), 0x1001 },
  { 0, I18N_NOOP("Enumeration"), 0x1010 },
  { 0, I18N_NOOP("Member Of Enumeration"), 0x1011 },
  { 0, I18N_NOOP("Unsigned Char"), 0x1100 },
  { 0, I18N_NOOP("Unsigned Short"), 0x1101 },
  { 0, I18N_NOOP("Unsigned Int"), 0x1110 },
  { 0, I18N_NOOP("Unsigned Long"), 0x1111 },
  { 0, I18N_NOOP("Long Double"), 0x10000 }
};

const Coff::SymbolDerivedType::Data Coff::SymbolDerivedType::DATA[Nb_Types] = {
  { 0, I18N_NOOP("Pointer"),     0x010000 },
  { 0, I18N_NOOP("Function"),    0x100000 },
  { 0, I18N_NOOP("Array"),       0x110000 }
};

Coff::Symbol::Symbol(const Object &object, const TQByteArray &data, uint start,
                     uint stringTableOffset, const TQString &lastFilename, Log::Base &log)
  : BaseSymbol(object)
{
  uint offset = start;
  TQ_UINT32 v;
  if ( !getName(data, offset, 8, stringTableOffset, log, _name) ) return;
  if ( !getULong(data, offset, 4, log, v) ) return;
  _value = v;
  if ( !getULong(data, offset, 2, log, v) ) return;
  _section = v;
  uint nb = (object.format()==Format::NewMicrochip ? 4 : 2);
  if ( !getULong(data, offset, nb, log, v) ) return;
  _type = SymbolType::Nb_Types;
  FOR_EACH(SymbolType, type)
    if ( (v & 0x001111)==type.data().id ) { _type = type; break; }
  _dtype = SymbolDerivedType::Nb_Types;
  FOR_EACH(SymbolDerivedType, dtype)
    if ( (v & 0x110000)==dtype.data().id ) { _dtype = dtype; break; }
  if ( !getULong(data, offset, 1, log, v) ) return;
  _sclass = SymbolClass::Nb_Types;
  FOR_EACH(SymbolClass, sclass)
    if ( v==sclass.data().id ) { _sclass = sclass; break; }
  if ( !getULong(data, offset, 1, log, v) ) return;
  uint nbAux = v;
  //qDebug("symbol: %s value=%s type=%i dtype=%i class=%i nbAux=%i section=%i", _name.latin1(), toHexLabel(_value, 4).latin1(), _type, _dtype, _class, nbAux, _section);

  AuxSymbolType auxType = AuxSymbolType::Nb_Types;
  if ( _name==".direct" ) auxType = AuxSymbolType::Direct;
  else if ( _name==".ident" ) auxType = AuxSymbolType::Identifier;
  else if ( _sclass==SymbolClass::Filename ) auxType = AuxSymbolType::File;
  else if ( _sclass==SymbolClass::Section ) auxType = AuxSymbolType::Section;
  if ( auxType!=AuxSymbolType::Nb_Types && nbAux==0 ) log.log(Log::LineType::Warning, i18n("Symbol without needed auxilliary symbol (type=%1)").tqarg(auxType.type()));
  Q_ASSERT( (offset-start)==object.size(SymbolSize) );
  _aux.resize(nbAux);
  for (uint i=0; i<nbAux; i++) {
    _aux[i] = AuxSymbol::factory(object, auxType, data, offset, stringTableOffset, log);
    offset += object.size(SymbolSize);
    if ( log.hasError() ) return;
  }

  _filename = lastFilename;
  for (uint i=0; i<uint(_aux.count()); i++)
    if ( _aux[i]->type()==AuxSymbolType::File ) _filename = static_cast<AuxSymbolFile *>(_aux[i])->filename();
}

Coff::SymbolSectionType Coff::Symbol::sectionType() const
{
  switch (_section) {
    case 0x0000: return SymbolSectionType::UndefinedSection;
    case 0xFFFF: return SymbolSectionType::AbsoluteValue;
    case 0xFFFE: return SymbolSectionType::DebugSymbol;
  }
  return SymbolSectionType::InsideSection;
}

//----------------------------------------------------------------------------
Coff::Relocation::Relocation(const Object &object, const Section &section,
                             const TQByteArray &data, uint start, Log::Base &log)
  : Element(object), _symbol(0)
{
  uint offset = start;
  TQ_UINT32 v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  _address = v;
  if ( _address>section.size() ) log.log(Log::LineType::Warning, i18n("Relocation address beyong section size: %1/%2").tqarg(v).tqarg(section.size()));
  if ( !getULong(data, offset, 4, log, v) ) return;
  if ( v>=object.nbSymbols() ) {
    log.log(Log::LineType::Error, i18n("Relocation has unknown symbol: %1").tqarg(v));
    return;
  }
  if ( object.symbol(v)->isAuxSymbol() ) {
    log.log(Log::LineType::Error, i18n("Relocation is an auxiliary symbol: %1").tqarg(v));
    return;
  }
  _symbol = static_cast<const Symbol *>(object.symbol(v));
  if ( object.format()!=Format::PIC30 ) {
    if ( !getULong(data, offset, 2, log, v) ) return;
    _offset = short(v);
  }
  if ( !getULong(data, offset, 2, log, v) ) return;
  _type = v;
  //qDebug("reloc %s: address=%s offset=%i type=%i", _symbol->_name.latin1(), toHexLabel(_address, 4).latin1(), _offset, _type);
}

//----------------------------------------------------------------------------
Coff::CodeLine::CodeLine(const Object &object, const Section &section,
                         const TQByteArray &data, uint start, const TQString &lastFilename, Log::Base &log)
  : Element(object), _section(section), _symbol(0)
{
  uint offset = start;
  TQ_UINT32 v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  uint tmp = v;
  if ( object.format()==Format::PIC30 ) {
    if ( !getULong(data, offset, 4, log, v) ) return;
    _line = v;
    if ( _line!=0 ) {
      _address = tmp;
      _filename = lastFilename;
      //qDebug("code line %i: %s", _line, toHexLabel(_address, nbChars(_address)).latin1());
    } else {
      if ( tmp>=object.nbSymbols() ) {
        log.log(Log::LineType::Error, i18n("Codeline has unknown symbol: %1").tqarg(tmp));
        return;
      }
      if ( object.symbol(tmp)->isAuxSymbol() ) {
        log.log(Log::LineType::Error, i18n("Codeline is an auxiliary symbol: %1").tqarg(tmp));
        return;
      }
      _symbol = static_cast<const Symbol *>(object.symbol(tmp));
      _filename = _symbol->filename();
      //qDebug("code line %i: %s", _line, _symbol->_name.latin1());
    }
  } else {
    if ( tmp>=object.nbSymbols() ) {
      log.log(Log::LineType::Error, i18n("Codeline has unknown symbol: %1").tqarg(tmp));
      return;
    }
    if ( object.symbol(tmp)->isAuxSymbol() ) {
      log.log(Log::LineType::Error, i18n("Codeline is an auxiliary symbol: %1").tqarg(tmp));
      return;
    }
    _symbol = static_cast<const Symbol *>(object.symbol(tmp));
    _filename = _symbol->filename();
    if ( !getULong(data, offset, 2, log, v) ) return;
    _line = v;
    if ( object.optHeaderFormat()==OptHeaderFormat::Picc && _line>=2 ) _line -= 2; // #### ??
    if ( !getULong(data, offset, 4, log, v) ) return;
    _address = v;
    if ( !getULong(data, offset, 2, log, v) ) return;
    // flags
    if ( !getULong(data, offset, 4, log, v) ) return;
    // function index
    //qDebug("code line %i: %s", _line, toHexLabel(_address, nbChars(_address)).latin1());
  }
//  if ( _symbol && _symbol->_class!=Symbol::CFile )
//    log.log(Log::LineType::Warning, i18n("Line without file symbol associated (%1:%2 %3).")
//                         .tqarg(_section._name).tqarg(toHexLabel(_address, nbChars(_address))).tqarg(_symbol->_class));
}

//----------------------------------------------------------------------------
const Coff::SectionType::Data Coff::SectionType::DATA[Nb_Types] = {
  { 0, I18N_NOOP("Config") },
  { 0, I18N_NOOP("Device ID") },
  { 0, I18N_NOOP("User IDs") },
  { 0, I18N_NOOP("Uninitialized Data") },
  { 0, I18N_NOOP("Initialized Data") },
  { 0, I18N_NOOP("Rom Data") },
  { 0, I18N_NOOP("Code") }
};

Coff::Section::Section(const Device::Data &device, const Object &object,
                       const TQByteArray &data, uint start, uint stringTableOffset, Log::Base &log)
  : Element(object)
{
  uint offset = start;
  TQ_UINT32 v;
  if ( !getName(data, offset, 8, stringTableOffset, log, _name) ) return;
  if ( !getULong(data, offset, 4, log, v) ) return;
  _address = v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  //if ( _address!=v ) log.log(Log::LineType::Warning, i18n("Virtual address (%1) does not match physical address (%2) in %3.")
  //                                         .tqarg(toHexLabel(v, 4)).tqarg(toHexLabel(_address, 4)).tqarg(_name));
  if ( !getULong(data, offset, 4, log, v) ) return;
  _size = v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  uint dataOffset = v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  uint relocationOffset = v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  uint lineNumberOffset = v;
  if ( !getULong(data, offset, 2, log, v) ) return;
  uint nbRelocations = v;
  if ( !getULong(data, offset, 2, log, v) ) return;
  uint nbLineNumbers = v;
  if ( !getULong(data, offset, 4, log, v) ) return;
  _flags = v;

  // read data
  Q_ASSERT ( device.group().name()=="pic" );
  const Pic::Data &pdata = static_cast<const Pic::Data &>(device);
  //qDebug("section %s: address=%s size=%i flags=%i", _name.data(), toHexLabel(_address, 4).latin1(), _size, int(_flags));
  if ( _size!=0 && dataOffset!=0 ) {
    uint inc = 1;
    uint nbWords = _size;
    uint nbBytesWord = 1;
    bool b = ( (_flags & FText) || (_flags & FDataRom) );
    if (b) {
      nbBytesWord = pdata.nbBytesWord(Pic::MemoryRangeType::Code);
      nbWords /= nbBytesWord;
      inc = pdata.addressIncrement(Pic::MemoryRangeType::Code);
    }
    for (uint i=0; i<nbWords; i++) {
      Address address = _address + inc*i;
      if ( !getULong(data, dataOffset, nbBytesWord, log, v) ) return;
      _instructions[address].value = v;
    }
    for (uint i=0; i<nbWords; i++) {
      Address address = _address + inc*i;
      BitValue op = _instructions[address].value;
      if ( _flags & FText ) {
        char buffer[512];
        buffer[0] = 0;
        BitValue op2 = ((i+1)<nbWords ? _instructions[address+inc].value : 0);
        uint nbop = disassemble(op.toUInt(), op2.toUInt(), address.toUInt()/inc, pdata.architecture(), buffer, 512);
        _instructions[address].disasm = TQString(buffer);
        _instructions[address].opcode = toHex(op, pdata.nbCharsWord(Pic::MemoryRangeType::Code));
        if ( nbop==2 ) {
          _instructions[address+inc].opcode = toHex(op2, pdata.nbCharsWord(Pic::MemoryRangeType::Code));
          i++;
        }
        //qDebug("  %s: %s (%s %s)", toHex(address, 4).data(), _data[address].disasm.data(), _data[address].opcode.data(), (nbop==2 ? _data[address+inc].opcode.data() : ""));
      } else if ( _flags & FDataRom ) _instructions[address].opcode = toHex(op, 4);
      else if ( _flags & FData ) _instructions[address].opcode = toHex(op.maskWith(0xFF), 2);
    }
  }

  // read relocations
  if ( relocationOffset!=0 ) {
    _relocations.resize(nbRelocations);
    for (uint i=0; i<nbRelocations; i++) {
      _relocations[i] = new Relocation(object, *this, data, relocationOffset, log);
      relocationOffset += object.size(RelocationSize);
      if ( log.hasError() ) return;
    }
  }

  // read line numbers
  if ( lineNumberOffset!=0 ) {
    TQString lastFilename;
    _lines.resize(nbLineNumbers);
    for (uint i=0; i<nbLineNumbers; i++) {
      _lines[i] = new CodeLine(object, *this, data, lineNumberOffset, lastFilename, log);
      lastFilename = _lines[i]->filename();
      lineNumberOffset += object.size(LineNumberSize);
      if ( log.hasError() ) return;
    }
  }
}

Coff::Section::~Section()
{
  for (uint i=0; i<uint(_relocations.count()); i++) delete _relocations[i];
  for (uint i=0; i<uint(_lines.count()); i++) delete _lines[i];
}

Coff::SectionType Coff::Section::type() const
{
  if ( _name==".config" ) return SectionType::Config;
  if ( _name==".devid" ) return SectionType::DeviceId;
  if ( _name==".idlocs" ) return SectionType::UserIds;
  if ( _flags & FText ) return SectionType::Code;
  if ( _flags & FData ) return SectionType::InitializedData;
  if ( _flags & FBSS ) return SectionType::UninitializedData;
  if ( _flags & FDataRom ) return SectionType::DataRom;
  return SectionType::Nb_Types;
}

//----------------------------------------------------------------------------
Coff::Object::Object(const Device::Data *device, const PURL::Url &url)
  : Base(url), _device(device)
{}

bool Coff::Object::parse(Log::Base &log)
{
  // header
  TQByteArray data;
  uint offset = 0;
  if ( !initParse(CoffType::Object, data, offset, log) ) return false;
  if ( _format==Format::Nb_Types ) {
    log.log(Log::LineType::Error, i18n("COFF format not supported: magic number is %1.").tqarg(toHexLabel(_magic, 4)));
    return false;
  }
  log.log(Log::DebugLevel::Extra, TQString("COFF format: %1").tqarg(toHexLabel(_magic, 4)));
  if ( !parseHeader(data, offset, log) ) return false;

  // optionnal header
  Q_ASSERT( offset==size(HeaderSize) );
  if ( !getULong(data, offset, 2, log, _optHeaderMagic) ) return false;
  log.log(Log::DebugLevel::Extra, TQString("COFF optionnal header format: %1").tqarg(toHexLabel(_optHeaderMagic, 4)));
  _optHeaderFormat = OptHeaderFormat::Nb_Types;
  uint i = 0;
  for (; OPT_HEADER_DATA[i].optHeaderFormat!=OptHeaderFormat::Nb_Types; i++) if ( _optHeaderMagic==OPT_HEADER_DATA[i].magic ) break;
  _optHeaderFormat = OPT_HEADER_DATA[i].optHeaderFormat;
  if ( _optHeaderFormat==OptHeaderFormat::Nb_Types ) {
    log.log(Log::LineType::Warning, i18n("Optional header format not supported: magic number is %1.").tqarg(toHexLabel(_optHeaderMagic, 4)));
    offset += size(OptHeaderSize)-2;
  } else if ( !OPT_HEADER_DATA[i].parsed ) {
    log.log(Log::DebugLevel::Normal, TQString("Optional header not parsed: magic number is %1.").tqarg(toHexLabel(_optHeaderMagic, 4)));
    offset += size(OptHeaderSize)-2;
  } else if ( !parseOptionnalHeader(data, offset, log) ) return false;

  // parse symbol table
  uint stringTableOffset = _symbolOffset + _nbSymbols*size(SymbolSize);
  TQString lastFilename;
  _symbols.resize(_nbSymbols);
  for (uint i=0; i<_nbSymbols; i++) {
    Symbol *s = new Symbol(*this, data, _symbolOffset, stringTableOffset, lastFilename, log);
    if ( log.hasError() ) return false;
    if ( !s->filename().isEmpty() ) lastFilename = s->filename();
    _symbols[i] = s;
    _msymbols[s->name()] = s;
    _symbolOffset += size(SymbolSize);
    for (uint k=0; k<uint(s->auxSymbols().count()); k++) {
      i++;
      _symbols[i] = s->auxSymbols()[k];
      _symbolOffset += size(SymbolSize);
    }
  }

  // parse sections
  Q_ASSERT( offset==(size(HeaderSize) + size(OptHeaderSize)) );
  _sections.resize(_nbSections);
  for (uint i=0; i<_nbSections; i++) {
    _sections[i] = new Section(*_device, *this, data, offset, stringTableOffset, log);
    offset += size(SectionHeaderSize);
    if ( log.hasError() ) return false;
  }

  // extract filenames
  for (uint i=0; i<_nbSymbols; i++) {
    if ( _symbols[i]==0 || _symbols[i]->isAuxSymbol() ) continue;
    TQString s = static_cast<const Symbol *>(_symbols[i])->filename();
    if ( s.isEmpty() || s=="fake" || _filenames.contains(s) ) continue;
    _filenames.append(s);
  }

  // extract variables
  for (uint i=0; i<nbSymbols(); i++) {
    if ( _symbols[i]==0 || _symbols[i]->isAuxSymbol() ) continue;
    const Symbol *sym = static_cast<const Symbol *>(_symbols[i]);
    if ( sym->symbolClass()!=SymbolClass::Static ) continue;
    if ( sym->sectionType()!=SymbolSectionType::InsideSection ) continue;
    TQString name = sym->name();
    if ( name.startsWith("_$_") || name.startsWith("__") || name.startsWith(".") ) continue; // special variables (?)
    _variables[name] = sym->value() & 0xFFF; // #### ??
  }

  return true;
}

bool Coff::Object::parseHeader(const TQByteArray &data, uint &offset, Log::Base &log)
{
  TQ_UINT32 v;
  if ( !getULong(data, offset, 2, log, v) ) return false;
  _nbSections = v;
  if ( !getULong(data, offset, 4, log, v) ) return false;
//  time_t time = v;
  if ( !getULong(data, offset, 4, log, v) ) return false;
  _symbolOffset = v;
  if ( !getULong(data, offset, 4, log, v) ) return false;
  _nbSymbols = v;
  if ( !getULong(data, offset, 2, log, v) ) return false;
  if ( v!=size(OptHeaderSize) ) {
    log.log(Log::LineType::Error, i18n("Optionnal header size is not %1: %2").tqarg(size(OptHeaderSize)).tqarg(v));
    return false;
  }
  if ( !getULong(data, offset, 2, log, v) ) return false;
  _flags = Flags(v);
  return true;
}

bool Coff::Object::parseOptionnalHeader(const TQByteArray &data, uint &offset, Log::Base &log)
{
  TQ_UINT32 v;
  int nb = (_format==Format::NewMicrochip ? 4 : 2);
  if ( !getULong(data, offset, nb, log, v) ) return false; // version stamp
  if ( _format==Format::PIC30 ) {
    if ( !getULong(data, offset, 4, log, v) ) return false; // text               size in bytes, padded to firmware boundary
    if ( !getULong(data, offset, 4, log, v) ) return false; // initialized data   "
    if ( !getULong(data, offset, 4, log, v) ) return false; // uninitialized data "
    if ( !getULong(data, offset, 4, log, v) ) return false; // entry point
    if ( !getULong(data, offset, 4, log, v) ) return false; // offset of text
    if ( !getULong(data, offset, 4, log, v) ) return false; // offset of data
    if ( _device==0 ) _device = Device::lister().data("30F2010"); // for e.g.
  } else {
    if ( !getULong(data, offset, 4, log, v) ) return false;
    // #### at least for C18 compiler, it can be compiled for generic processor: in such case
    // the pic type will be 18C452 in non-extended mode and 18F4620 for extended mode...
    TQString name = Coff::findId(v);
    log.log(Log::DebugLevel::Normal, TQString("Device name: \"%1\"").tqarg(name));
    if ( name.isEmpty() ) {
      log.log(Log::DebugLevel::Normal, TQString("Unknown processor type: %1").tqarg(toHexLabel(v, 4)));
      log.log(Log::LineType::Error, i18n("Could not determine processor (%1).").tqarg(toHexLabel(v, 4)));
      return false;
    } else if ( _device==0 ) _device = Device::lister().data(name);
    else if ( name!=_device->name() ) log.log(Log::DebugLevel::Normal, TQString("Different processor name: %1").tqarg(name));
    if ( !getULong(data, offset, 4, log, v) ) return false;
    const Pic::Data *pdata = static_cast<const Pic::Data *>(_device);
    if (pdata) {
      uint nbBits = pdata->nbBitsWord(Pic::MemoryRangeType::Code) / pdata->addressIncrement(Pic::MemoryRangeType::Code);
      if ( v!=nbBits ) log.log(Log::DebugLevel::Normal, TQString("Rom width is not %1: %2").tqarg(nbBits).tqarg(v));
    }
    if ( !getULong(data, offset, 4, log, v) ) return false;
    if (pdata) {
      uint nbBits = pdata->registersData().nbBits();
      if ( v!=nbBits ) log.log(Log::DebugLevel::Normal, TQString("Ram width is not %1: %2").tqarg(nbBits).tqarg(v));
    }
  }
  return true;
}

Coff::Object::~Object()
{
  for (uint i=0; i<nbSymbols(); i++) delete _symbols[i];
  for (uint i=0; i<nbSections(); i++) delete _sections[i];
}

TQString Coff::Object::variableName(Address address) const
{
  TQMap<TQString, Address>::const_iterator it;
  for (it=_variables.begin(); it!=_variables.end(); ++it)
    if ( it.data()==address ) return it.key();
  return TQString();
}

//----------------------------------------------------------------------------
TQValueVector<Pic::RegisterNameData> Pic::sfrList(const Pic::Data &data)
{
  TQValueVector<Pic::RegisterNameData> list;
  const Pic::RegistersData &rdata = data.registersData();
  for (uint i=0; i<rdata.nbRegisters(); i++) {
    uint address = rdata.nbBytes() * i;
    Pic::RegisterType type = rdata.type(address);
    Device::RegisterProperties rp = rdata.properties(address);
    if ( !(rp & Device::Readable) ) continue;
    Register::TypeData rtd(address, rdata.nbChars());
    if ( type==Pic::Sfr ) list.append(Pic::RegisterNameData(rdata.label(address), rtd));
  }
  TQMap<TQString, Pic::CombinedData>::const_iterator it;
  for (it=rdata.combined.begin(); it!=rdata.combined.end(); ++it) {
    Register::TypeData td(it.key(), it.data().address, it.data().nbChars);
    list.append(Pic::RegisterNameData(it.key(), td));
  }
  if ( data.architecture()==Pic::Architecture::P16X )
    list.append(Pic::RegisterNameData("WREG", Register::TypeData("WREG", rdata.nbChars())));
  qHeapSort(list);
  return list;
}

TQValueVector<Pic::RegisterNameData> Pic::gprList(const Pic::Data &data, const Coff::Object *coff)
{
  TQValueVector<Pic::RegisterNameData> list;
  const Pic::RegistersData &rdata = data.registersData();
  for (uint i=0; i<rdata.nbRegisters(); i++) {
    uint address = rdata.nbBytes() * i;
    Pic::RegisterType type = rdata.type(address);
    Device::RegisterProperties rp = rdata.properties(address);
    if ( !(rp & Device::Readable) ) continue;
    if (type==Pic::Gpr ) {
      TQString s = toHexLabel(address, rdata.nbCharsAddress());
      if (coff) {
        TQString name = coff->variableName(address);
        if ( !name.isEmpty() ) s += " (" + name + ")";
      }
      Register::TypeData rtd(address, rdata.nbChars());
      list.append(Pic::RegisterNameData(s, rtd));
    }
  }
  return list;
}

TQValueVector<Pic::RegisterNameData> Pic::variableList(const Pic::Data &data, const Coff::Object &coff)
{
  TQValueVector<Pic::RegisterNameData> list;
  const Pic::RegistersData &rdata = data.registersData();
  TQMap<TQString, Address> variables = coff.variables();
  TQMap<TQString, Address>::const_iterator vit;
  for (vit=variables.begin(); vit!=variables.end(); ++vit) {
    Register::TypeData rtd(vit.data(), rdata.nbChars());
    list.append(Pic::RegisterNameData(vit.key() + " (" + toHexLabel(vit.data(), rdata.nbCharsAddress()) + ")", rtd));
  }
  qHeapSort(list);
  return list;
}