bfd/archures.c

   1 /* BFD library support routines for architectures.
   2    Copyright (C) 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999, 2000, 2001
   3    Free Software Foundation, Inc.
   4    Hacked by John Gilmore and Steve Chamberlain of Cygnus Support.
   5
   6 This file is part of BFD, the Binary File Descriptor library.
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  21
  22 #include "bfd.h"
  23 #include "sysdep.h"
  24 #include "libbfd.h"
  25 #include <ctype.h>
  26
  27 /*
  28
  29 SECTION
  30         Architectures
  31
  32         BFD keeps one atom in a BFD describing the
  33         architecture of the data attached to the BFD: a pointer to a
  34         <<bfd_arch_info_type>>.
  35
  36         Pointers to structures can be requested independently of a BFD
  37         so that an architecture's information can be interrogated
  38         without access to an open BFD.
  39
  40         The architecture information is provided by each architecture package.
  41         The set of default architectures is selected by the macro
  42         <<SELECT_ARCHITECTURES>>.  This is normally set up in the
  43         @file{config/@var{target}.mt} file of your choice.  If the name is not
  44         defined, then all the architectures supported are included.
  45
  46         When BFD starts up, all the architectures are called with an
  47         initialize method.  It is up to the architecture back end to
  48         insert as many items into the list of architectures as it wants to;
  49         generally this would be one for each machine and one for the
  50         default case (an item with a machine field of 0).
  51
  52         BFD's idea of an architecture is implemented in @file{archures.c}.
  53 */
  54
  55 /*
  56
  57 SUBSECTION
  58         bfd_architecture
  59
  60 DESCRIPTION
  61         This enum gives the object file's CPU architecture, in a
  62         global sense---i.e., what processor family does it belong to?
  63         Another field indicates which processor within
  64         the family is in use.  The machine gives a number which
  65         distinguishes different versions of the architecture,
  66         containing, for example, 2 and 3 for Intel i960 KA and i960 KB,
  67         and 68020 and 68030 for Motorola 68020 and 68030.
  68
  69 .enum bfd_architecture
  70 .{
  71 .  bfd_arch_unknown,   {* File arch not known *}
  72 .  bfd_arch_obscure,   {* Arch known, not one of these *}
  73 .  bfd_arch_m68k,      {* Motorola 68xxx *}
  74 .#define bfd_mach_m68000 1
  75 .#define bfd_mach_m68008 2
  76 .#define bfd_mach_m68010 3
  77 .#define bfd_mach_m68020 4
  78 .#define bfd_mach_m68030 5
  79 .#define bfd_mach_m68040 6
  80 .#define bfd_mach_m68060 7
  81 .#define bfd_mach_cpu32  8
  82 .#define bfd_mach_mcf5200  9
  83 .#define bfd_mach_mcf5206e 10
  84 .#define bfd_mach_mcf5307  11
  85 .#define bfd_mach_mcf5407  12
  86 .  bfd_arch_vax,       {* DEC Vax *}
  87 .  bfd_arch_i960,      {* Intel 960 *}
  88 .    {* The order of the following is important.
  89 .       lower number indicates a machine type that
  90 .       only accepts a subset of the instructions
  91 .       available to machines with higher numbers.
  92 .       The exception is the "ca", which is
  93 .       incompatible with all other machines except
  94 .       "core". *}
  95 .
  96 .#define bfd_mach_i960_core      1
  97 .#define bfd_mach_i960_ka_sa     2
  98 .#define bfd_mach_i960_kb_sb     3
  99 .#define bfd_mach_i960_mc        4
 100 .#define bfd_mach_i960_xa        5
 101 .#define bfd_mach_i960_ca        6
 102 .#define bfd_mach_i960_jx        7
 103 .#define bfd_mach_i960_hx        8
 104 .
 105 .  bfd_arch_a29k,      {* AMD 29000 *}
 106 .  bfd_arch_sparc,     {* SPARC *}
 107 .#define bfd_mach_sparc                 1
 108 .{* The difference between v8plus and v9 is that v9 is a true 64 bit env.  *}
 109 .#define bfd_mach_sparc_sparclet        2
 110 .#define bfd_mach_sparc_sparclite       3
 111 .#define bfd_mach_sparc_v8plus          4
 112 .#define bfd_mach_sparc_v8plusa         5 {* with ultrasparc add'ns *}
 113 .#define bfd_mach_sparc_sparclite_le    6
 114 .#define bfd_mach_sparc_v9              7
 115 .#define bfd_mach_sparc_v9a             8 {* with ultrasparc add'ns *}
 116 .#define bfd_mach_sparc_v8plusb         9 {* with cheetah add'ns *}
 117 .#define bfd_mach_sparc_v9b             10 {* with cheetah add'ns *}
 118 .{* Nonzero if MACH has the v9 instruction set.  *}
 119 .#define bfd_mach_sparc_v9_p(mach) \
 120 .  ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \
 121 .   && (mach) != bfd_mach_sparc_sparclite_le)
 122 .  bfd_arch_mips,      {* MIPS Rxxxx *}
 123 .#define bfd_mach_mips3000              3000
 124 .#define bfd_mach_mips3900              3900
 125 .#define bfd_mach_mips4000              4000
 126 .#define bfd_mach_mips4010              4010
 127 .#define bfd_mach_mips4100              4100
 128 .#define bfd_mach_mips4111              4111
 129 .#define bfd_mach_mips4300              4300
 130 .#define bfd_mach_mips4400              4400
 131 .#define bfd_mach_mips4600              4600
 132 .#define bfd_mach_mips4650              4650
 133 .#define bfd_mach_mips5000              5000
 134 .#define bfd_mach_mips6000              6000
 135 .#define bfd_mach_mips8000              8000
 136 .#define bfd_mach_mips10000             10000
 137 .#define bfd_mach_mips16                16
 138 .#define bfd_mach_mips32                32
 139 .#define bfd_mach_mips32_4k             3204113 {* 32, 04, octal 'K' *}
 140 .#define bfd_mach_mips5                 5
 141 .#define bfd_mach_mips64                64
 142 .#define bfd_mach_mips_sb1              12310201 {* octal 'SB', 01 *}
 143 .  bfd_arch_i386,      {* Intel 386 *}
 144 .#define bfd_mach_i386_i386 0
 145 .#define bfd_mach_i386_i8086 1
 146 .#define bfd_mach_i386_i386_intel_syntax 2
 147 .#define bfd_mach_x86_64 3
 148 .#define bfd_mach_x86_64_intel_syntax 4
 149 .  bfd_arch_we32k,     {* AT&T WE32xxx *}
 150 .  bfd_arch_tahoe,     {* CCI/Harris Tahoe *}
 151 .  bfd_arch_i860,      {* Intel 860 *}
 152 .  bfd_arch_i370,      {* IBM 360/370 Mainframes *}
 153 .  bfd_arch_romp,      {* IBM ROMP PC/RT *}
 154 .  bfd_arch_alliant,   {* Alliant *}
 155 .  bfd_arch_convex,    {* Convex *}
 156 .  bfd_arch_m88k,      {* Motorola 88xxx *}
 157 .  bfd_arch_pyramid,   {* Pyramid Technology *}
 158 .  bfd_arch_h8300,     {* Hitachi H8/300 *}
 159 .#define bfd_mach_h8300   1
 160 .#define bfd_mach_h8300h  2
 161 .#define bfd_mach_h8300s  3
 162 .  bfd_arch_pdp11,     {* DEC PDP-11 *}
 163 .  bfd_arch_powerpc,   {* PowerPC *}
 164 .#define bfd_mach_ppc           0
 165 .#define bfd_mach_ppc_403       403
 166 .#define bfd_mach_ppc_403gc     4030
 167 .#define bfd_mach_ppc_505       505
 168 .#define bfd_mach_ppc_601       601
 169 .#define bfd_mach_ppc_602       602
 170 .#define bfd_mach_ppc_603       603
 171 .#define bfd_mach_ppc_ec603e    6031
 172 .#define bfd_mach_ppc_604       604
 173 .#define bfd_mach_ppc_620       620
 174 .#define bfd_mach_ppc_630       630
 175 .#define bfd_mach_ppc_750       750
 176 .#define bfd_mach_ppc_860       860
 177 .#define bfd_mach_ppc_a35       35
 178 .#define bfd_mach_ppc_rs64ii    642
 179 .#define bfd_mach_ppc_rs64iii   643
 180 .#define bfd_mach_ppc_7400      7400
 181 .  bfd_arch_rs6000,    {* IBM RS/6000 *}
 182 .#define bfd_mach_rs6k          0
 183 .#define bfd_mach_rs6k_rs1      6001
 184 .#define bfd_mach_rs6k_rsc      6003
 185 .#define bfd_mach_rs6k_rs2      6002
 186 .  bfd_arch_hppa,      {* HP PA RISC *}
 187 .  bfd_arch_d10v,      {* Mitsubishi D10V *}
 188 .#define bfd_mach_d10v          0
 189 .#define bfd_mach_d10v_ts2      2
 190 .#define bfd_mach_d10v_ts3      3
 191 .  bfd_arch_d30v,      {* Mitsubishi D30V *}
 192 .  bfd_arch_m68hc11,   {* Motorola 68HC11 *}
 193 .  bfd_arch_m68hc12,   {* Motorola 68HC12 *}
 194 .  bfd_arch_z8k,       {* Zilog Z8000 *}
 195 .#define bfd_mach_z8001         1
 196 .#define bfd_mach_z8002         2
 197 .  bfd_arch_h8500,     {* Hitachi H8/500 *}
 198 .  bfd_arch_sh,        {* Hitachi SH *}
 199 .#define bfd_mach_sh            0
 200 .#define bfd_mach_sh2        0x20
 201 .#define bfd_mach_sh_dsp     0x2d
 202 .#define bfd_mach_sh3        0x30
 203 .#define bfd_mach_sh3_dsp    0x3d
 204 .#define bfd_mach_sh3e       0x3e
 205 .#define bfd_mach_sh4        0x40
 206 .  bfd_arch_alpha,     {* Dec Alpha *}
 207 .#define bfd_mach_alpha_ev4  0x10
 208 .#define bfd_mach_alpha_ev5  0x20
 209 .#define bfd_mach_alpha_ev6  0x30
 210 .  bfd_arch_arm,       {* Advanced Risc Machines ARM *}
 211 .#define bfd_mach_arm_2         1
 212 .#define bfd_mach_arm_2a        2
 213 .#define bfd_mach_arm_3         3
 214 .#define bfd_mach_arm_3M        4
 215 .#define bfd_mach_arm_4         5
 216 .#define bfd_mach_arm_4T        6
 217 .#define bfd_mach_arm_5         7
 218 .#define bfd_mach_arm_5T        8
 219 .#define bfd_mach_arm_5TE       9
 220 .#define bfd_mach_arm_XScale    10
 221 .  bfd_arch_ns32k,     {* National Semiconductors ns32000 *}
 222 .  bfd_arch_w65,       {* WDC 65816 *}
 223 .  bfd_arch_tic30,     {* Texas Instruments TMS320C30 *}
 224 .  bfd_arch_tic54x,    {* Texas Instruments TMS320C54X *}
 225 .  bfd_arch_tic80,     {* TI TMS320c80 (MVP) *}
 226 .  bfd_arch_v850,      {* NEC V850 *}
 227 .#define bfd_mach_v850          0
 228 .#define bfd_mach_v850e         'E'
 229 .#define bfd_mach_v850ea        'A'
 230 .  bfd_arch_arc,       {* ARC Cores *}
 231 .#define bfd_mach_arc_5         0
 232 .#define bfd_mach_arc_6         1
 233 .#define bfd_mach_arc_7         2
 234 .#define bfd_mach_arc_8         3
 235 .  bfd_arch_m32r,      {* Mitsubishi M32R/D *}
 236 .#define bfd_mach_m32r          0 {* backwards compatibility *}
 237 .#define bfd_mach_m32rx         'x'
 238 .  bfd_arch_mn10200,   {* Matsushita MN10200 *}
 239 .  bfd_arch_mn10300,   {* Matsushita MN10300 *}
 240 .#define bfd_mach_mn10300               300
 241 .#define bfd_mach_am33          330
 242 .  bfd_arch_fr30,
 243 .#define bfd_mach_fr30          0x46523330
 244 .  bfd_arch_mcore,
 245 .  bfd_arch_ia64,      {* HP/Intel ia64 *}
 246 .#define bfd_mach_ia64_elf64    0
 247 .#define bfd_mach_ia64_elf32    1
 248 .  bfd_arch_pj,
 249 .  bfd_arch_avr,       {* Atmel AVR microcontrollers *}
 250 .#define bfd_mach_avr1          1
 251 .#define bfd_mach_avr2          2
 252 .#define bfd_mach_avr3          3
 253 .#define bfd_mach_avr4          4
 254 .#define bfd_mach_avr5          5
 255 .  bfd_arch_cris,      {* Axis CRIS *}
 256 .  bfd_arch_s390,      {* IBM s390 *}
 257 .#define bfd_mach_s390_esa      0
 258 .#define bfd_mach_s390_esame    1
 259 .  bfd_arch_last
 260 .  };
 261 */
 262
 263 /*
 264 SUBSECTION
 265         bfd_arch_info
 266
 267 DESCRIPTION
 268         This structure contains information on architectures for use
 269         within BFD.
 270
 271 .
 272 .typedef struct bfd_arch_info
 273 .{
 274 .  int bits_per_word;
 275 .  int bits_per_address;
 276 .  int bits_per_byte;
 277 .  enum bfd_architecture arch;
 278 .  unsigned long mach;
 279 .  const char *arch_name;
 280 .  const char *printable_name;
 281 .  unsigned int section_align_power;
 282 .  {* True if this is the default machine for the architecture.  *}
 283 .  boolean the_default;
 284 .  const struct bfd_arch_info * (*compatible)
 285 .       PARAMS ((const struct bfd_arch_info *a,
 286 .                const struct bfd_arch_info *b));
 287 .
 288 .  boolean (*scan) PARAMS ((const struct bfd_arch_info *, const char *));
 289 .
 290 .  const struct bfd_arch_info *next;
 291 .} bfd_arch_info_type;
 292 */
 293
 294 extern const bfd_arch_info_type bfd_a29k_arch;
 295 extern const bfd_arch_info_type bfd_alpha_arch;
 296 extern const bfd_arch_info_type bfd_arc_arch;
 297 extern const bfd_arch_info_type bfd_arm_arch;
 298 extern const bfd_arch_info_type bfd_cris_arch;
 299 extern const bfd_arch_info_type bfd_d10v_arch;
 300 extern const bfd_arch_info_type bfd_d30v_arch;
 301 extern const bfd_arch_info_type bfd_h8300_arch;
 302 extern const bfd_arch_info_type bfd_h8500_arch;
 303 extern const bfd_arch_info_type bfd_hppa_arch;
 304 extern const bfd_arch_info_type bfd_i370_arch;
 305 extern const bfd_arch_info_type bfd_i386_arch;
 306 extern const bfd_arch_info_type bfd_i860_arch;
 307 extern const bfd_arch_info_type bfd_i960_arch;
 308 extern const bfd_arch_info_type bfd_m32r_arch;
 309 extern const bfd_arch_info_type bfd_m68hc11_arch;
 310 extern const bfd_arch_info_type bfd_m68hc12_arch;
 311 extern const bfd_arch_info_type bfd_m68k_arch;
 312 extern const bfd_arch_info_type bfd_m88k_arch;
 313 extern const bfd_arch_info_type bfd_mips_arch;
 314 extern const bfd_arch_info_type bfd_mn10200_arch;
 315 extern const bfd_arch_info_type bfd_mn10300_arch;
 316 extern const bfd_arch_info_type bfd_pdp11_arch;
 317 extern const bfd_arch_info_type bfd_powerpc_arch;
 318 extern const bfd_arch_info_type bfd_rs6000_arch;
 319 extern const bfd_arch_info_type bfd_pj_arch;
 320 extern const bfd_arch_info_type bfd_sh_arch;
 321 extern const bfd_arch_info_type bfd_sparc_arch;
 322 extern const bfd_arch_info_type bfd_tic30_arch;
 323 extern const bfd_arch_info_type bfd_tic54x_arch;
 324 extern const bfd_arch_info_type bfd_tic80_arch;
 325 extern const bfd_arch_info_type bfd_vax_arch;
 326 extern const bfd_arch_info_type bfd_we32k_arch;
 327 extern const bfd_arch_info_type bfd_z8k_arch;
 328 extern const bfd_arch_info_type bfd_ns32k_arch;
 329 extern const bfd_arch_info_type bfd_w65_arch;
 330 extern const bfd_arch_info_type bfd_v850_arch;
 331 extern const bfd_arch_info_type bfd_fr30_arch;
 332 extern const bfd_arch_info_type bfd_mcore_arch;
 333 extern const bfd_arch_info_type bfd_avr_arch;
 334 extern const bfd_arch_info_type bfd_ia64_arch;
 335 extern const bfd_arch_info_type bfd_s390_arch;
 336
 337 static const bfd_arch_info_type * const bfd_archures_list[] = {
 338 #ifdef SELECT_ARCHITECTURES
 339   SELECT_ARCHITECTURES,
 340 #else
 341   &bfd_a29k_arch,
 342   &bfd_alpha_arch,
 343   &bfd_arc_arch,
 344   &bfd_arm_arch,
 345   &bfd_cris_arch,
 346   &bfd_d10v_arch,
 347   &bfd_d30v_arch,
 348   &bfd_h8300_arch,
 349   &bfd_h8500_arch,
 350   &bfd_hppa_arch,
 351   &bfd_i370_arch,
 352   &bfd_i386_arch,
 353   &bfd_i860_arch,
 354   &bfd_i960_arch,
 355   &bfd_m32r_arch,
 356   &bfd_m68hc11_arch,
 357   &bfd_m68hc12_arch,
 358   &bfd_m68k_arch,
 359   &bfd_m88k_arch,
 360   &bfd_mips_arch,
 361   &bfd_mn10200_arch,
 362   &bfd_mn10300_arch,
 363   &bfd_pdp11_arch,
 364   &bfd_powerpc_arch,
 365   &bfd_rs6000_arch,
 366   &bfd_sh_arch,
 367   &bfd_sparc_arch,
 368   &bfd_tic30_arch,
 369   &bfd_tic54x_arch,
 370   &bfd_tic80_arch,
 371   &bfd_vax_arch,
 372   &bfd_we32k_arch,
 373   &bfd_z8k_arch,
 374   &bfd_ns32k_arch,
 375   &bfd_w65_arch,
 376   &bfd_v850_arch,
 377   &bfd_fr30_arch,
 378   &bfd_mcore_arch,
 379   &bfd_avr_arch,
 380   &bfd_ia64_arch,
 381   &bfd_s390_arch,
 382 #endif
 383   0
 384 };
 385
 386 /*
 387 FUNCTION
 388         bfd_printable_name
 389
 390 SYNOPSIS
 391         const char *bfd_printable_name(bfd *abfd);
 392
 393 DESCRIPTION
 394         Return a printable string representing the architecture and machine
 395         from the pointer to the architecture info structure.
 396
 397 */
 398
 399 const char *
 400 bfd_printable_name (abfd)
 401      bfd *abfd;
 402 {
 403   return abfd->arch_info->printable_name;
 404 }
 405
 406 /*
 407 FUNCTION
 408         bfd_scan_arch
 409
 410 SYNOPSIS
 411         const bfd_arch_info_type *bfd_scan_arch(const char *string);
 412
 413 DESCRIPTION
 414         Figure out if BFD supports any cpu which could be described with
 415         the name @var{string}.  Return a pointer to an <<arch_info>>
 416         structure if a machine is found, otherwise NULL.
 417 */
 418
 419 const bfd_arch_info_type *
 420 bfd_scan_arch (string)
 421      const char *string;
 422 {
 423   const bfd_arch_info_type * const *app, *ap;
 424
 425   /* Look through all the installed architectures.  */
 426   for (app = bfd_archures_list; *app != NULL; app++)
 427     {
 428       for (ap = *app; ap != NULL; ap = ap->next)
 429         {
 430           if (ap->scan (ap, string))
 431             return ap;
 432         }
 433     }
 434
 435   return NULL;
 436 }
 437
 438 /*
 439 FUNCTION
 440         bfd_arch_list
 441
 442 SYNOPSIS
 443         const char **bfd_arch_list(void);
 444
 445 DESCRIPTION
 446         Return a freshly malloced NULL-terminated vector of the names
 447         of all the valid BFD architectures.  Do not modify the names.
 448 */
 449
 450 const char **
 451 bfd_arch_list ()
 452 {
 453   int vec_length = 0;
 454   const char **name_ptr;
 455   const char **name_list;
 456   const bfd_arch_info_type * const *app;
 457
 458   /* Determine the number of architectures.  */
 459   vec_length = 0;
 460   for (app = bfd_archures_list; *app != NULL; app++)
 461     {
 462       const bfd_arch_info_type *ap;
 463       for (ap = *app; ap != NULL; ap = ap->next)
 464         {
 465           vec_length++;
 466         }
 467     }
 468
 469   name_list = (const char **)
 470     bfd_malloc ((vec_length + 1) * sizeof (char **));
 471   if (name_list == NULL)
 472     return NULL;
 473
 474   /* Point the list at each of the names.  */
 475   name_ptr = name_list;
 476   for (app = bfd_archures_list; *app != NULL; app++)
 477     {
 478       const bfd_arch_info_type *ap;
 479       for (ap = *app; ap != NULL; ap = ap->next)
 480         {
 481           *name_ptr = ap->printable_name;
 482           name_ptr++;
 483         }
 484     }
 485   *name_ptr = NULL;
 486
 487   return name_list;
 488 }
 489
 490 /*
 491 FUNCTION
 492         bfd_arch_get_compatible
 493
 494 SYNOPSIS
 495         const bfd_arch_info_type *bfd_arch_get_compatible(
 496                 const bfd *abfd,
 497                 const bfd *bbfd);
 498
 499 DESCRIPTION
 500         Determine whether two BFDs'
 501         architectures and machine types are compatible.  Calculates
 502         the lowest common denominator between the two architectures
 503         and machine types implied by the BFDs and returns a pointer to
 504         an <<arch_info>> structure describing the compatible machine.
 505 */
 506
 507 const bfd_arch_info_type *
 508 bfd_arch_get_compatible (abfd, bbfd)
 509      const bfd *abfd;
 510      const bfd *bbfd;
 511 {
 512   /* If either architecture is unknown, then all we can do is assume
 513      the user knows what he's doing.  */
 514   if (abfd->arch_info->arch == bfd_arch_unknown)
 515     return bbfd->arch_info;
 516   if (bbfd->arch_info->arch == bfd_arch_unknown)
 517     return abfd->arch_info;
 518
 519   /* Otherwise architecture-specific code has to decide.  */
 520   return abfd->arch_info->compatible (abfd->arch_info, bbfd->arch_info);
 521 }
 522
 523 /*
 524 INTERNAL_DEFINITION
 525         bfd_default_arch_struct
 526
 527 DESCRIPTION
 528         The <<bfd_default_arch_struct>> is an item of
 529         <<bfd_arch_info_type>> which has been initialized to a fairly
 530         generic state.  A BFD starts life by pointing to this
 531         structure, until the correct back end has determined the real
 532         architecture of the file.
 533
 534 .extern const bfd_arch_info_type bfd_default_arch_struct;
 535 */
 536
 537 const bfd_arch_info_type bfd_default_arch_struct = {
 538   32, 32, 8, bfd_arch_unknown, 0, "unknown", "unknown", 2, true,
 539   bfd_default_compatible,
 540   bfd_default_scan,
 541   0,
 542 };
 543
 544 /*
 545 FUNCTION
 546         bfd_set_arch_info
 547
 548 SYNOPSIS
 549         void bfd_set_arch_info(bfd *abfd, const bfd_arch_info_type *arg);
 550
 551 DESCRIPTION
 552         Set the architecture info of @var{abfd} to @var{arg}.
 553 */
 554
 555 void
 556 bfd_set_arch_info (abfd, arg)
 557      bfd *abfd;
 558      const bfd_arch_info_type *arg;
 559 {
 560   abfd->arch_info = arg;
 561 }
 562
 563 /*
 564 INTERNAL_FUNCTION
 565         bfd_default_set_arch_mach
 566
 567 SYNOPSIS
 568         boolean bfd_default_set_arch_mach(bfd *abfd,
 569                 enum bfd_architecture arch,
 570                 unsigned long mach);
 571
 572 DESCRIPTION
 573         Set the architecture and machine type in BFD @var{abfd}
 574         to @var{arch} and @var{mach}.  Find the correct
 575         pointer to a structure and insert it into the <<arch_info>>
 576         pointer.
 577 */
 578
 579 boolean
 580 bfd_default_set_arch_mach (abfd, arch, mach)
 581      bfd *abfd;
 582      enum bfd_architecture arch;
 583      unsigned long mach;
 584 {
 585   const bfd_arch_info_type * const *app, *ap;
 586
 587   for (app = bfd_archures_list; *app != NULL; app++)
 588     {
 589       for (ap = *app; ap != NULL; ap = ap->next)
 590         {
 591           if (ap->arch == arch
 592               && (ap->mach == mach
 593                   || (mach == 0 && ap->the_default)))
 594             {
 595               abfd->arch_info = ap;
 596               return true;
 597             }
 598         }
 599     }
 600
 601   abfd->arch_info = &bfd_default_arch_struct;
 602   bfd_set_error (bfd_error_bad_value);
 603   return false;
 604 }
 605
 606 /*
 607 FUNCTION
 608         bfd_get_arch
 609
 610 SYNOPSIS
 611         enum bfd_architecture bfd_get_arch(bfd *abfd);
 612
 613 DESCRIPTION
 614         Return the enumerated type which describes the BFD @var{abfd}'s
 615         architecture.
 616 */
 617
 618 enum bfd_architecture
 619 bfd_get_arch (abfd)
 620      bfd *abfd;
 621 {
 622   return abfd->arch_info->arch;
 623 }
 624
 625 /*
 626 FUNCTION
 627         bfd_get_mach
 628
 629 SYNOPSIS
 630         unsigned long bfd_get_mach(bfd *abfd);
 631
 632 DESCRIPTION
 633         Return the long type which describes the BFD @var{abfd}'s
 634         machine.
 635 */
 636
 637 unsigned long
 638 bfd_get_mach (abfd)
 639      bfd *abfd;
 640 {
 641   return abfd->arch_info->mach;
 642 }
 643
 644 /*
 645 FUNCTION
 646         bfd_arch_bits_per_byte
 647
 648 SYNOPSIS
 649         unsigned int bfd_arch_bits_per_byte(bfd *abfd);
 650
 651 DESCRIPTION
 652         Return the number of bits in one of the BFD @var{abfd}'s
 653         architecture's bytes.
 654 */
 655
 656 unsigned int
 657 bfd_arch_bits_per_byte (abfd)
 658      bfd *abfd;
 659 {
 660   return abfd->arch_info->bits_per_byte;
 661 }
 662
 663 /*
 664 FUNCTION
 665         bfd_arch_bits_per_address
 666
 667 SYNOPSIS
 668         unsigned int bfd_arch_bits_per_address(bfd *abfd);
 669
 670 DESCRIPTION
 671         Return the number of bits in one of the BFD @var{abfd}'s
 672         architecture's addresses.
 673 */
 674
 675 unsigned int
 676 bfd_arch_bits_per_address (abfd)
 677      bfd *abfd;
 678 {
 679   return abfd->arch_info->bits_per_address;
 680 }
 681
 682 /*
 683 INTERNAL_FUNCTION
 684         bfd_default_compatible
 685
 686 SYNOPSIS
 687         const bfd_arch_info_type *bfd_default_compatible
 688         (const bfd_arch_info_type *a,
 689         const bfd_arch_info_type *b);
 690
 691 DESCRIPTION
 692         The default function for testing for compatibility.
 693 */
 694
 695 const bfd_arch_info_type *
 696 bfd_default_compatible (a, b)
 697      const bfd_arch_info_type *a;
 698      const bfd_arch_info_type *b;
 699 {
 700   if (a->arch != b->arch)
 701     return NULL;
 702
 703   if (a->mach > b->mach)
 704     return a;
 705
 706   if (b->mach > a->mach)
 707     return b;
 708
 709   return a;
 710 }
 711
 712 /*
 713 INTERNAL_FUNCTION
 714         bfd_default_scan
 715
 716 SYNOPSIS
 717         boolean bfd_default_scan(const struct bfd_arch_info *info, const char *string);
 718
 719 DESCRIPTION
 720         The default function for working out whether this is an
 721         architecture hit and a machine hit.
 722 */
 723
 724 boolean
 725 bfd_default_scan (info, string)
 726      const struct bfd_arch_info *info;
 727      const char *string;
 728 {
 729   const char *ptr_src;
 730   const char *ptr_tst;
 731   unsigned long number;
 732   enum bfd_architecture arch;
 733   const char *printable_name_colon;
 734
 735   /* Exact match of the architecture name (ARCH_NAME) and also the
 736      default architecture?  */
 737   if (strcasecmp (string, info->arch_name) == 0
 738       && info->the_default)
 739     return true;
 740
 741   /* Exact match of the machine name (PRINTABLE_NAME)?  */
 742   if (strcasecmp (string, info->printable_name) == 0)
 743     return true;
 744
 745   /* Given that printable_name contains no colon, attempt to match:
 746      ARCH_NAME [ ":" ] PRINTABLE_NAME?  */
 747   printable_name_colon = strchr (info->printable_name, ':');
 748   if (printable_name_colon == NULL)
 749     {
 750       int strlen_arch_name = strlen (info->arch_name);
 751       if (strncasecmp (string, info->arch_name, strlen_arch_name) == 0)
 752         {
 753           if (string[strlen_arch_name] == ':')
 754             {
 755               if (strcasecmp (string + strlen_arch_name + 1,
 756                               info->printable_name) == 0)
 757                 return true;
 758             }
 759           else
 760             {
 761               if (strcasecmp (string + strlen_arch_name,
 762                               info->printable_name) == 0)
 763                 return true;
 764             }
 765         }
 766     }
 767
 768   /* Given that PRINTABLE_NAME has the form: <arch> ":" <mach>;
 769      Attempt to match: <arch> <mach>?  */
 770   if (printable_name_colon != NULL)
 771     {
 772       int colon_index = printable_name_colon - info->printable_name;
 773       if (strncasecmp (string, info->printable_name, colon_index) == 0
 774           && strcasecmp (string + colon_index,
 775                          info->printable_name + colon_index + 1) == 0)
 776         return true;
 777     }
 778
 779   /* Given that PRINTABLE_NAME has the form: <arch> ":" <mach>; Do not
 780      attempt to match just <mach>, it could be ambigious.  This test
 781      is left until later.  */
 782
 783   /* NOTE: The below is retained for compatibility only.  Please do
 784      not add to this code.  */
 785
 786   /* See how much of the supplied string matches with the
 787      architecture, eg the string m68k:68020 would match the 68k entry
 788      up to the :, then we get left with the machine number.  */
 789
 790   for (ptr_src = string, ptr_tst = info->arch_name;
 791        *ptr_src && *ptr_tst;
 792        ptr_src++, ptr_tst++)
 793     {
 794       if (*ptr_src != *ptr_tst)
 795         break;
 796     }
 797
 798   /* Chewed up as much of the architecture as will match, skip any
 799      colons.  */
 800   if (*ptr_src == ':')
 801     ptr_src++;
 802
 803   if (*ptr_src == 0)
 804     {
 805       /* Nothing more, then only keep this one if it is the default
 806          machine for this architecture.  */
 807       return info->the_default;
 808     }
 809
 810   number = 0;
 811   while (isdigit ((unsigned char) *ptr_src))
 812     {
 813       number = number * 10 + *ptr_src - '0';
 814       ptr_src++;
 815     }
 816
 817   /* NOTE: The below is retained for compatibility only.
 818      PLEASE DO NOT ADD TO THIS CODE.  */
 819
 820   switch (number)
 821     {
 822       /* FIXME: These are needed to parse IEEE objects.  */
 823       /* The following seven case's are here only for compatibility with
 824          older binutils (at least IEEE objects from binutils 2.9.1 require
 825          them).  */
 826     case bfd_mach_m68000:
 827     case bfd_mach_m68010:
 828     case bfd_mach_m68020:
 829     case bfd_mach_m68030:
 830     case bfd_mach_m68040:
 831     case bfd_mach_m68060:
 832     case bfd_mach_cpu32:
 833       arch = bfd_arch_m68k;
 834       break;
 835     case 68000:
 836       arch = bfd_arch_m68k;
 837       number = bfd_mach_m68000;
 838       break;
 839     case 68010:
 840       arch = bfd_arch_m68k;
 841       number = bfd_mach_m68010;
 842       break;
 843     case 68020:
 844       arch = bfd_arch_m68k;
 845       number = bfd_mach_m68020;
 846       break;
 847     case 68030:
 848       arch = bfd_arch_m68k;
 849       number = bfd_mach_m68030;
 850       break;
 851     case 68040:
 852       arch = bfd_arch_m68k;
 853       number = bfd_mach_m68040;
 854       break;
 855     case 68060:
 856       arch = bfd_arch_m68k;
 857       number = bfd_mach_m68060;
 858       break;
 859     case 68332:
 860       arch = bfd_arch_m68k;
 861       number = bfd_mach_cpu32;
 862       break;
 863     case 5200:
 864       arch = bfd_arch_m68k;
 865       number = bfd_mach_mcf5200;
 866       break;
 867     case 5206:
 868       arch = bfd_arch_m68k;
 869       number = bfd_mach_mcf5206e;
 870       break;
 871     case 5307:
 872       arch = bfd_arch_m68k;
 873       number = bfd_mach_mcf5307;
 874       break;
 875     case 5407:
 876       arch = bfd_arch_m68k;
 877       number = bfd_mach_mcf5407;
 878       break;
 879
 880     case 32000:
 881       arch = bfd_arch_we32k;
 882       break;
 883
 884     case 3000:
 885       arch = bfd_arch_mips;
 886       number = bfd_mach_mips3000;
 887       break;
 888
 889     case 4000:
 890       arch = bfd_arch_mips;
 891       number = bfd_mach_mips4000;
 892       break;
 893
 894     case 6000:
 895       arch = bfd_arch_rs6000;
 896       break;
 897
 898     case 7410:
 899       arch = bfd_arch_sh;
 900       number = bfd_mach_sh_dsp;
 901       break;
 902
 903     case 7708:
 904       arch = bfd_arch_sh;
 905       number = bfd_mach_sh3;
 906       break;
 907
 908     case 7729:
 909       arch = bfd_arch_sh;
 910       number = bfd_mach_sh3_dsp;
 911       break;
 912
 913     case 7750:
 914       arch = bfd_arch_sh;
 915       number = bfd_mach_sh4;
 916       break;
 917
 918     default:
 919       return false;
 920     }
 921
 922   if (arch != info->arch)
 923     return false;
 924
 925   if (number != info->mach)
 926     return false;
 927
 928   return true;
 929 }
 930
 931 /*
 932 FUNCTION
 933         bfd_get_arch_info
 934
 935 SYNOPSIS
 936         const bfd_arch_info_type * bfd_get_arch_info(bfd *abfd);
 937
 938 DESCRIPTION
 939         Return the architecture info struct in @var{abfd}.
 940 */
 941
 942 const bfd_arch_info_type *
 943 bfd_get_arch_info (abfd)
 944      bfd *abfd;
 945 {
 946   return abfd->arch_info;
 947 }
 948
 949 /*
 950 FUNCTION
 951         bfd_lookup_arch
 952
 953 SYNOPSIS
 954         const bfd_arch_info_type *bfd_lookup_arch
 955                 (enum bfd_architecture
 956                 arch,
 957                 unsigned long machine);
 958
 959 DESCRIPTION
 960         Look for the architecure info structure which matches the
 961         arguments @var{arch} and @var{machine}. A machine of 0 matches the
 962         machine/architecture structure which marks itself as the
 963         default.
 964 */
 965
 966 const bfd_arch_info_type *
 967 bfd_lookup_arch (arch, machine)
 968      enum bfd_architecture arch;
 969      unsigned long machine;
 970 {
 971   const bfd_arch_info_type * const *app, *ap;
 972
 973   for (app = bfd_archures_list; *app != NULL; app++)
 974     {
 975       for (ap = *app; ap != NULL; ap = ap->next)
 976         {
 977           if (ap->arch == arch
 978               && (ap->mach == machine
 979                   || (machine == 0 && ap->the_default)))
 980             return ap;
 981         }
 982     }
 983
 984   return NULL;
 985 }
 986
 987 /*
 988 FUNCTION
 989         bfd_printable_arch_mach
 990
 991 SYNOPSIS
 992         const char *bfd_printable_arch_mach
 993                 (enum bfd_architecture arch, unsigned long machine);
 994
 995 DESCRIPTION
 996         Return a printable string representing the architecture and
 997         machine type.
 998
 999         This routine is depreciated.
1000 */
1001
1002 const char *
1003 bfd_printable_arch_mach (arch, machine)
1004      enum bfd_architecture arch;
1005      unsigned long machine;
1006 {
1007   const bfd_arch_info_type *ap = bfd_lookup_arch (arch, machine);
1008
1009   if (ap)
1010     return ap->printable_name;
1011   return "UNKNOWN!";
1012 }
1013
1014 /*
1015 FUNCTION
1016         bfd_octets_per_byte
1017
1018 SYNOPSIS
1019         unsigned int bfd_octets_per_byte(bfd *abfd);
1020
1021 DESCRIPTION
1022         Return the number of octets (8-bit quantities) per target byte
1023         (minimum addressable unit).  In most cases, this will be one, but some
1024         DSP targets have 16, 32, or even 48 bits per byte.
1025 */
1026
1027 unsigned int
1028 bfd_octets_per_byte (abfd)
1029      bfd *abfd;
1030 {
1031   return bfd_arch_mach_octets_per_byte (bfd_get_arch (abfd),
1032                                         bfd_get_mach (abfd));
1033 }
1034
1035 /*
1036 FUNCTION
1037         bfd_arch_mach_octets_per_byte
1038
1039 SYNOPSIS
1040         unsigned int bfd_arch_mach_octets_per_byte(enum bfd_architecture arch,
1041                                                    unsigned long machine);
1042
1043 DESCRIPTION
1044         See bfd_octets_per_byte.
1045
1046         This routine is provided for those cases where a bfd * is not
1047         available
1048 */
1049
1050 unsigned int
1051 bfd_arch_mach_octets_per_byte (arch, mach)
1052      enum bfd_architecture arch;
1053      unsigned long mach;
1054 {
1055   const bfd_arch_info_type *ap = bfd_lookup_arch (arch, mach);
1056
1057   if (ap)
1058     return ap->bits_per_byte / 8;
1059   return 1;
1060 }