libzypp  17.16.0
Arch.cc
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1 /*---------------------------------------------------------------------\
2 | ____ _ __ __ ___ |
3 | |__ / \ / / . \ . \ |
4 | / / \ V /| _/ _/ |
5 | / /__ | | | | | | |
6 | /_____||_| |_| |_| |
7 | |
8 \---------------------------------------------------------------------*/
12 #include <iostream>
13 #include <list>
14 #include <inttypes.h>
15 
16 #include "zypp/base/Logger.h"
17 #include "zypp/base/Exception.h"
18 #include "zypp/base/NonCopyable.h"
19 #include "zypp/base/Hash.h"
20 #include "zypp/Arch.h"
21 #include "zypp/Bit.h"
22 
23 using std::endl;
24 
26 namespace zypp
27 {
28 
30  //
31  // CLASS NAME : Arch::CompatEntry
32  //
39  {
45 
46  CompatEntry( const std::string & archStr_r,
47  CompatBits::IntT idBit_r = 1 )
48  : _idStr( archStr_r )
49  , _archStr( archStr_r )
50  , _idBit( idBit_r )
51  , _compatBits( idBit_r )
52  {}
53 
54  CompatEntry( IdString archStr_r,
55  CompatBits::IntT idBit_r = 1 )
56  : _idStr( archStr_r )
57  , _archStr( archStr_r.asString() )
58  , _idBit( idBit_r )
59  , _compatBits( idBit_r )
60  {}
61 
62  void addCompatBit( const CompatBits & idBit_r ) const
63  {
64  if ( idBit_r && ! (_compatBits & idBit_r) )
65  {
66  _compatBits |= idBit_r;
67  }
68  }
69 
71  bool compatibleWith( const CompatEntry & targetEntry_r ) const
72  {
73  switch ( _idBit.value() )
74  {
75  case 0:
76  // this is noarch and always comatible
77  return true;
78  break;
79  case 1:
80  // this is a non builtin: self compatible only
81  return _archStr == targetEntry_r._archStr;
82  break;
83  }
84  // This is a builtin: compatible if mentioned in targetEntry_r
85  return bool( targetEntry_r._compatBits & _idBit );
86  }
87 
89  int compare( const CompatEntry & rhs ) const
90  {
91  if ( _idBit.value() != rhs. _idBit.value() )
92  return( _idBit.value() < rhs. _idBit.value() ? -1 : 1 );
93  return _archStr.compare( rhs._archStr ); // Id 1: non builtin
94  }
95 
96  bool isBuiltIn() const
97  { return( _idBit != CompatBits(1) ); }
98 
100  { return _idStr.id(); }
101 
103  std::string _archStr; // frequently used by the UI so we keep a reference
106  };
108 
110  inline std::ostream & operator<<( std::ostream & str, const Arch::CompatEntry & obj )
111  {
113  unsigned bitnum = 0;
114  while ( bit )
115  {
116  ++bitnum;
117  bit >>= 1;
118  }
119  return str << str::form( "%-15s ", obj._archStr.c_str() ) << str::numstring(bitnum,2) << ' '
120  << obj._compatBits << ' ' << obj._compatBits.value();
121  }
122 
124  inline bool operator==( const Arch::CompatEntry & lhs, const Arch::CompatEntry & rhs )
125  { return lhs._idStr == rhs._idStr; }
127  inline bool operator!=( const Arch::CompatEntry & lhs, const Arch::CompatEntry & rhs )
128  { return ! ( lhs == rhs ); }
129 
131 } // namespace zypp
133 
135 
137 namespace zypp
138 {
139 
140  // Builtin architecture STRING VALUES to be
141  // used in defCompatibleWith below!
142  //
143  // const IdString _foo( "foo" );
144  // const Arch Arch_foo( _foo() );
145  //
146  // NOTE: Builtin CLASS Arch CONSTANTS are defined below.
147  // You have to change them accordingly in Arch.h.
148  //
149  // NOTE: Thake care CompatBits::IntT is able to provide one
150  // bit for each architecture.
151  //
152  #define DEF_BUILTIN(A) \
153  namespace { static inline const IdString & a_##A () { static IdString _str(#A); return _str; } } \
154  const Arch Arch_##A( a_##A() )
155 
156  DEF_BUILTIN( noarch );
157 
158  DEF_BUILTIN( i386 );
159  DEF_BUILTIN( i486 );
160  DEF_BUILTIN( i586 );
161  DEF_BUILTIN( i686 );
162  DEF_BUILTIN( athlon );
163  DEF_BUILTIN( x86_64 );
164 
165  DEF_BUILTIN( pentium3 );
166  DEF_BUILTIN( pentium4 );
167 
168  DEF_BUILTIN( s390 );
169  DEF_BUILTIN( s390x );
170 
171  DEF_BUILTIN( ppc );
172  DEF_BUILTIN( ppc64 );
173  DEF_BUILTIN( ppc64p7 );
174 
175  DEF_BUILTIN( ppc64le );
176 
177  DEF_BUILTIN( ia64 );
178 
179  DEF_BUILTIN( alphaev67 );
180  DEF_BUILTIN( alphaev6 );
181  DEF_BUILTIN( alphapca56 );
182  DEF_BUILTIN( alphaev56 );
183  DEF_BUILTIN( alphaev5 );
184  DEF_BUILTIN( alpha );
185 
186  DEF_BUILTIN( sparc64v );
187  DEF_BUILTIN( sparcv9v );
188  DEF_BUILTIN( sparc64 );
189  DEF_BUILTIN( sparcv9 );
190  DEF_BUILTIN( sparcv8 );
191  DEF_BUILTIN( sparc );
192 
193  DEF_BUILTIN( aarch64 );
194 
195  DEF_BUILTIN( armv7tnhl ); /* exists? */
196  DEF_BUILTIN( armv7thl ); /* exists? */
197 
198  DEF_BUILTIN( armv7hnl ); /* legacy: */DEF_BUILTIN( armv7nhl );
199  DEF_BUILTIN( armv7hl );
200  DEF_BUILTIN( armv6hl );
201 
202  DEF_BUILTIN( armv7l );
203  DEF_BUILTIN( armv6l );
204  DEF_BUILTIN( armv5tejl );
205  DEF_BUILTIN( armv5tel );
206  DEF_BUILTIN( armv5tl );
207  DEF_BUILTIN( armv5l );
208  DEF_BUILTIN( armv4tl );
209  DEF_BUILTIN( armv4l );
210  DEF_BUILTIN( armv3l );
211 
212  DEF_BUILTIN( riscv64 );
213 
214  DEF_BUILTIN( sh3 );
215 
216  DEF_BUILTIN( sh4 );
217  DEF_BUILTIN( sh4a );
218 
219  DEF_BUILTIN( m68k );
220 
221  DEF_BUILTIN( mips );
222  DEF_BUILTIN( mipsel );
223  DEF_BUILTIN( mips64 );
224  DEF_BUILTIN( mips64el );
225 #undef DEF_BUILTIN
226 
228  namespace
229  {
230 
232  //
233  // CLASS NAME : CompatSet
234  //
242  struct ArchCompatSet : private base::NonCopyable
243  {
244  typedef Arch::CompatEntry CompatEntry;
245  typedef CompatEntry::CompatBits CompatBits;
246 
247  typedef std::unordered_set<CompatEntry> Set;
248  typedef Set::iterator iterator;
249  typedef Set::const_iterator const_iterator;
250 
252  static ArchCompatSet & instance()
253  {
254  static ArchCompatSet _instance;
255  return _instance;
256  }
257 
261  const Arch::CompatEntry & assertDef( const std::string & archStr_r )
262  { return *_compatSet.insert( Arch::CompatEntry( archStr_r ) ).first; }
264  const Arch::CompatEntry & assertDef( IdString archStr_r )
265  { return *_compatSet.insert( Arch::CompatEntry( archStr_r ) ).first; }
266 
267  const_iterator begin() const
268  { return _compatSet.begin(); }
269 
270  const_iterator end() const
271  { return _compatSet.end(); }
272 
273  struct DumpOnCompare
274  {
275  int operator()( const CompatEntry & lhs, const CompatEntry & rhs ) const
276  { return lhs._idBit.value() < rhs._idBit.value(); }
277  };
278 
279  std::ostream & dumpOn( std::ostream & str ) const
280  {
281  str << "ArchCompatSet:";
282  std::list<CompatEntry> ov( _compatSet.begin(), _compatSet.end() );
283  ov.sort( DumpOnCompare() );
284  for_( it, ov.begin(), ov.end() )
285  {
286  str << endl << ' ' << *it;
287  }
288  return str;
289  }
290 
291  private:
293  ArchCompatSet()
294  {
295  // _noarch must have _idBit 0.
296  // Other builtins have 1-bit set
297  // and are initialized done on the fly.
298  _compatSet.insert( Arch::CompatEntry( a_noarch(), 0 ) );
300  // Define the CompatibleWith relation:
301  //
302  // NOTE: Order of definition is significant! (Arch::compare)
303  // - define compatible (less) architectures first!
304  //
305  defCompatibleWith( a_i386(), a_noarch() );
306  defCompatibleWith( a_i486(), a_noarch(),a_i386() );
307  defCompatibleWith( a_i586(), a_noarch(),a_i386(),a_i486() );
308  defCompatibleWith( a_i686(), a_noarch(),a_i386(),a_i486(),a_i586() );
309  defCompatibleWith( a_athlon(), a_noarch(),a_i386(),a_i486(),a_i586(),a_i686() );
310  defCompatibleWith( a_x86_64(), a_noarch(),a_i386(),a_i486(),a_i586(),a_i686(),a_athlon() );
311 
312  defCompatibleWith( a_pentium3(), a_noarch(),a_i386(),a_i486(),a_i586(),a_i686() );
313  defCompatibleWith( a_pentium4(), a_noarch(),a_i386(),a_i486(),a_i586(),a_i686(),a_pentium3() );
314 
315  defCompatibleWith( a_ia64(), a_noarch(),a_i386(),a_i486(),a_i586(),a_i686() );
316  //
317  defCompatibleWith( a_s390(), a_noarch() );
318  defCompatibleWith( a_s390x(), a_noarch(),a_s390() );
319  //
320  defCompatibleWith( a_ppc(), a_noarch() );
321  defCompatibleWith( a_ppc64(), a_noarch(),a_ppc() );
322  defCompatibleWith( a_ppc64p7(), a_noarch(),a_ppc(),a_ppc64() );
323  //
324  defCompatibleWith( a_ppc64le(), a_noarch() );
325  //
326  defCompatibleWith( a_alpha(), a_noarch() );
327  defCompatibleWith( a_alphaev5(), a_noarch(),a_alpha() );
328  defCompatibleWith( a_alphaev56(), a_noarch(),a_alpha(),a_alphaev5() );
329  defCompatibleWith( a_alphapca56(), a_noarch(),a_alpha(),a_alphaev5(),a_alphaev56() );
330  defCompatibleWith( a_alphaev6(), a_noarch(),a_alpha(),a_alphaev5(),a_alphaev56(),a_alphapca56() );
331  defCompatibleWith( a_alphaev67(), a_noarch(),a_alpha(),a_alphaev5(),a_alphaev56(),a_alphapca56(),a_alphaev6() );
332  //
333  defCompatibleWith( a_sparc(), a_noarch() );
334  defCompatibleWith( a_sparcv8(), a_noarch(),a_sparc() );
335  defCompatibleWith( a_sparcv9(), a_noarch(),a_sparc(),a_sparcv8() );
336  defCompatibleWith( a_sparcv9v(), a_noarch(),a_sparc(),a_sparcv8(),a_sparcv9() );
337  //
338  defCompatibleWith( a_sparc64(), a_noarch(),a_sparc(),a_sparcv8(),a_sparcv9() );
339  defCompatibleWith( a_sparc64v(), a_noarch(),a_sparc(),a_sparcv8(),a_sparcv9(),a_sparcv9v(),a_sparc64() );
340  //
341  defCompatibleWith( a_armv3l(), a_noarch() );
342  defCompatibleWith( a_armv4l(), a_noarch(),a_armv3l() );
343  defCompatibleWith( a_armv4tl(), a_noarch(),a_armv3l(),a_armv4l() );
344  defCompatibleWith( a_armv5l(), a_noarch(),a_armv3l(),a_armv4l(),a_armv4tl() );
345  defCompatibleWith( a_armv5tl(), a_noarch(),a_armv3l(),a_armv4l(),a_armv4tl(),a_armv5l() );
346  defCompatibleWith( a_armv5tel(), a_noarch(),a_armv3l(),a_armv4l(),a_armv4tl(),a_armv5l(),a_armv5tl() );
347  defCompatibleWith( a_armv5tejl(), a_noarch(),a_armv3l(),a_armv4l(),a_armv4tl(),a_armv5l(),a_armv5tl(),a_armv5tel() );
348  defCompatibleWith( a_armv6l(), a_noarch(),a_armv3l(),a_armv4l(),a_armv4tl(),a_armv5l(),a_armv5tl(),a_armv5tel(),a_armv5tejl() );
349  defCompatibleWith( a_armv7l(), a_noarch(),a_armv3l(),a_armv4l(),a_armv4tl(),a_armv5l(),a_armv5tl(),a_armv5tel(),a_armv5tejl(),a_armv6l() );
350 
351  defCompatibleWith( a_armv6hl(), a_noarch() );
352  defCompatibleWith( a_armv7hl(), a_noarch(),a_armv6hl() );
353  defCompatibleWith( a_armv7hnl(), a_noarch(),a_armv7hl(),a_armv6hl() );
354  /*legacy: rpm uses v7hnl */
355  defCompatibleWith( a_armv7nhl(), a_noarch(),a_armv7hnl(),a_armv7hl(),a_armv6hl() );
356 
357  /*?*/defCompatibleWith( a_armv7thl(), a_noarch(),a_armv7hl() );
358  /*?*/defCompatibleWith( a_armv7tnhl(), a_noarch(),a_armv7hl(),a_armv7nhl(),a_armv7thl() );
359 
360  defCompatibleWith( a_aarch64(), a_noarch() );
361  //
362  defCompatibleWith( a_riscv64(), a_noarch() );
363  //
364  defCompatibleWith( a_sh3(), a_noarch() );
365  //
366  defCompatibleWith( a_sh4(), a_noarch() );
367  defCompatibleWith( a_sh4a(), a_noarch(),a_sh4() );
368 
369  defCompatibleWith( a_m68k(), a_noarch() );
370 
371  defCompatibleWith( a_mips(), a_noarch() );
372  defCompatibleWith( a_mipsel(), a_noarch() );
373  defCompatibleWith( a_mips64(), a_noarch() );
374  defCompatibleWith( a_mips64el(), a_noarch() );
375  //
377  // dumpOn( USR ) << endl;
378  }
379 
380  private:
386  CompatBits::IntT nextIdBit() const
387  {
388  if ( CompatBits::size == _compatSet.size() )
389  {
390  // Provide more bits in CompatBits::IntT
391  INT << "Need more than " << CompatBits::size << " bits to encode architectures." << endl;
392  ZYPP_THROW( Exception("Need more bits to encode architectures.") );
393  }
394  CompatBits::IntT nextBit = CompatBits::IntT(1) << (_compatSet.size());
395  return nextBit;
396  }
397 
401  const CompatEntry & assertCompatSetEntry( IdString archStr_r )
402  { return *_compatSet.insert( Arch::CompatEntry( archStr_r, nextIdBit() ) ).first; }
403 
406  void defCompatibleWith( IdString targetArch_r,
407  IdString arch0_r,
408  IdString arch1_r = IdString(),
409  IdString arch2_r = IdString(),
410  IdString arch3_r = IdString(),
411  IdString arch4_r = IdString(),
412  IdString arch5_r = IdString(),
413  IdString arch6_r = IdString(),
414  IdString arch7_r = IdString(),
415  IdString arch8_r = IdString(),
416  IdString arch9_r = IdString() )
417  {
418  const CompatEntry & target( assertCompatSetEntry( targetArch_r ) );
419  target.addCompatBit( assertCompatSetEntry( arch0_r )._idBit );
420 #define SETARG(N) if ( arch##N##_r.empty() ) return; target.addCompatBit( assertCompatSetEntry( arch##N##_r )._idBit )
421  SETARG(1); SETARG(2); SETARG(3); SETARG(4);
422  SETARG(5); SETARG(6); SETARG(7); SETARG(8); SETARG(9);
423 #undef SETARG
424  }
425 
426  private:
428  };
429 
431  } // namespace
433 
435  //
436  // CLASS NAME : Arch
437  //
439 
440  const Arch Arch_empty ( IdString::Empty );
441  // remaining Arch_* constants are defined by DEF_BUILTIN above.
442 
444  //
445  // METHOD NAME : Arch::Arch
446  // METHOD TYPE : Ctor
447  //
449  : _entry( &ArchCompatSet::instance().assertDef( a_noarch() ) )
450  {}
451 
453  : _entry( &ArchCompatSet::instance().assertDef( IdString(id_r) ) )
454  {}
455 
456  Arch::Arch( const IdString & idstr_r )
457  : _entry( &ArchCompatSet::instance().assertDef( idstr_r ) )
458  {}
459 
460  Arch::Arch( const std::string & str_r )
461  : _entry( &ArchCompatSet::instance().assertDef( str_r ) )
462  {}
463 
464  Arch::Arch( const char * cstr_r )
465  : _entry( &ArchCompatSet::instance().assertDef( cstr_r ) )
466  {}
467 
468  Arch::Arch( const CompatEntry & rhs )
469  : _entry( &rhs )
470  {}
471 
473  //
474  // METHOD NAME : Arch::idStr
475  // METHOD TYPE : IdString
476  //
478  { return _entry->_idStr; }
479 
481  //
482  // METHOD NAME : Arch::asString
483  // METHOD TYPE : const std::string &
484  //
485  const std::string & Arch::asString() const
486  { return _entry->_archStr; }
487 
489  //
490  // METHOD NAME : Arch::isBuiltIn
491  // METHOD TYPE : bool
492  //
493  bool Arch::isBuiltIn() const
494  { return _entry->isBuiltIn(); }
495 
497  //
498  // METHOD NAME : Arch::compatibleWith
499  // METHOD TYPE : bool
500  //
501  bool Arch::compatibleWith( const Arch & targetArch_r ) const
502  { return _entry->compatibleWith( *targetArch_r._entry ); }
503 
505  //
506  // METHOD NAME : Arch::baseArch
507  // METHOD TYPE : Arch
508  //
510  {
511  // check the multilib archs:
512  if (Arch_x86_64.compatibleWith(*this))
513  {
514  return Arch_x86_64;
515  }
516  if (Arch_sparc64v.compatibleWith(*this))
517  {
518  return Arch_sparc64v;
519  }
520  if (Arch_sparc64.compatibleWith(*this))
521  {
522  return Arch_sparc64;
523  }
524  if (Arch_ppc64.compatibleWith(*this))
525  {
526  return Arch_ppc64;
527  }
528  if (Arch_s390x.compatibleWith(*this))
529  {
530  return Arch_s390x;
531  }
532  // Here: no multilib; return arch before noarch
533  CompatSet cset( compatSet( *this ) );
534  if ( cset.size() > 2 ) // systemArchitecture, ..., basearch, noarch
535  {
536  return *(++cset.rbegin());
537  }
538  return *this;
539  }
540 
542  //
543  // METHOD NAME : Arch::compare
544  // METHOD TYPE : bool
545  //
546  int Arch::compare( const Arch & rhs ) const
547  { return _entry->compare( *rhs._entry ); }
548 
550  //
551  // METHOD NAME : Arch::compatSet
552  // METHOD TYPE : Arch::CompatSet
553  //
554  Arch::CompatSet Arch::compatSet( const Arch & targetArch_r )
555  {
556  Arch::CompatSet ret;
557 
558  for ( ArchCompatSet::const_iterator it = ArchCompatSet::instance().begin();
559  it != ArchCompatSet::instance().end(); ++it )
560  {
561  if ( it->compatibleWith( *targetArch_r._entry ) )
562  {
563  ret.insert( Arch(*it) );
564  }
565  }
566 
567  return ret;
568  }
569 
571 } // namespace zypp
const Arch Arch_sparc64
Definition: Arch.h:219
#define ZYPP_THROW(EXCPT)
Drops a logline and throws the Exception.
Definition: Exception.h:392
Architecture.
Definition: Arch.h:36
std::set< Arch, CompareByGT< Arch > > CompatSet
Reversed arch order, best Arch first.
Definition: Arch.h:117
IdType id() const
Expert backdoor.
Definition: IdString.h:115
#define INT
Definition: Logger.h:83
TInt value() const
Return the value.
Definition: Bit.h:179
const Arch Arch_empty(IdString::Empty)
String related utilities and Regular expression matching.
Access to the sat-pools string space.
Definition: IdString.h:41
const Arch Arch_s390x
Definition: Arch.h:186
#define for_(IT, BEG, END)
Convenient for-loops using iterator.
Definition: Easy.h:28
int compare(const Arch &rhs) const
Arch comparison.
Definition: Arch.cc:546
CompatEntry(const std::string &archStr_r, CompatBits::IntT idBit_r=1)
Definition: Arch.cc:46
std::string form(const char *format,...) __attribute__((format(printf
Printf style construction of std::string.
Definition: String.cc:36
#define SETARG(N)
IdString::IdType id() const
Definition: Arch.cc:99
bool compatibleWith(const Arch &targetArch_r) const
Compatibility relation.
Definition: Arch.cc:501
Set _compatSet
Definition: Arch.cc:427
const CompatEntry * _entry
Definition: Arch.h:145
boost::noncopyable NonCopyable
Ensure derived classes cannot be copied.
Definition: NonCopyable.h:26
static const IdString Empty
Empty string.
Definition: IdString.h:70
bool compatibleWith(const CompatEntry &targetEntry_r) const
Return whether this is compatible with targetEntry_r.
Definition: Arch.cc:71
sat::detail::IdType IdType
Definition: IdString.h:44
std::ostream & operator<<(std::ostream &str, const Arch::CompatEntry &obj)
Definition: Arch.cc:110
Arch baseArch() const
Definition: Arch.cc:509
DEF_BUILTIN(noarch)
std::ostream & dumpOn(std::ostream &str, const Capability &obj)
Definition: Capability.cc:444
bit::BitField< uint64_t > CompatBits
Bitfield for architecture IDs and compatBits relation.
Definition: Arch.cc:44
std::string numstring(char n, int w=0)
Definition: String.h:288
static CompatSet compatSet(const Arch &targetArch_r)
Return a set of all Arch's compatibleWith a targetArch_r.
Definition: Arch.cc:554
const Arch Arch_x86_64
Definition: Arch.h:173
const Arch Arch_ppc64
Definition: Arch.h:196
bool operator!=(const Arch::CompatEntry &lhs, const Arch::CompatEntry &rhs)
Definition: Arch.cc:127
const Arch Arch_sparc64v
Definition: Arch.h:217
void addCompatBit(const CompatBits &idBit_r) const
Definition: Arch.cc:62
IdString idStr() const
String representation of Arch.
Definition: Arch.cc:477
Arch()
Default ctor Arc_noarch.
Definition: Arch.cc:448
ZYPP_DEFINE_ID_HASHABLE(zypp::Arch::CompatEntry)
CompatBits _compatBits
Definition: Arch.cc:105
std::string _archStr
Definition: Arch.cc:103
bool isBuiltIn() const
Whether this is a buitin (or known) architecture.
Definition: Arch.cc:493
const std::string & asString() const
Definition: Arch.cc:485
bool operator==(const Arch::CompatEntry &lhs, const Arch::CompatEntry &rhs)
Definition: Arch.cc:124
Easy-to use interface to the ZYPP dependency resolver.
Definition: CodePitfalls.doc:1
CompatEntry(IdString archStr_r, CompatBits::IntT idBit_r=1)
Definition: Arch.cc:54
bool isBuiltIn() const
Definition: Arch.cc:96
int compare(const CompatEntry &rhs) const
compare by score, then archStr.
Definition: Arch.cc:89
CompatBits _idBit
Definition: Arch.cc:104
Holds an architecture ID and it's compatible relation.
Definition: Arch.cc:38