source: trunk/src/binutils/bfd/archures.c@ 636

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1/* BFD library support routines for architectures.
2 Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
3 2000, 2001, 2002, 2003
4 Free Software Foundation, Inc.
5 Hacked by John Gilmore and Steve Chamberlain of Cygnus Support.
6
7 This file is part of BFD, the Binary File Descriptor library.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22
23#include "bfd.h"
24#include "sysdep.h"
25#include "libbfd.h"
26#include "safe-ctype.h"
27
28/*
29
30SECTION
31 Architectures
32
33 BFD keeps one atom in a BFD describing the
34 architecture of the data attached to the BFD: a pointer to a
35 <<bfd_arch_info_type>>.
36
37 Pointers to structures can be requested independently of a BFD
38 so that an architecture's information can be interrogated
39 without access to an open BFD.
40
41 The architecture information is provided by each architecture package.
42 The set of default architectures is selected by the macro
43 <<SELECT_ARCHITECTURES>>. This is normally set up in the
44 @file{config/@var{target}.mt} file of your choice. If the name is not
45 defined, then all the architectures supported are included.
46
47 When BFD starts up, all the architectures are called with an
48 initialize method. It is up to the architecture back end to
49 insert as many items into the list of architectures as it wants to;
50 generally this would be one for each machine and one for the
51 default case (an item with a machine field of 0).
52
53 BFD's idea of an architecture is implemented in @file{archures.c}.
54*/
55
56/*
57
58SUBSECTION
59 bfd_architecture
60
61DESCRIPTION
62 This enum gives the object file's CPU architecture, in a
63 global sense---i.e., what processor family does it belong to?
64 Another field indicates which processor within
65 the family is in use. The machine gives a number which
66 distinguishes different versions of the architecture,
67 containing, for example, 2 and 3 for Intel i960 KA and i960 KB,
68 and 68020 and 68030 for Motorola 68020 and 68030.
69
70.enum bfd_architecture
71.{
72. bfd_arch_unknown, {* File arch not known. *}
73. bfd_arch_obscure, {* Arch known, not one of these. *}
74. bfd_arch_m68k, {* Motorola 68xxx *}
75.#define bfd_mach_m68000 1
76.#define bfd_mach_m68008 2
77.#define bfd_mach_m68010 3
78.#define bfd_mach_m68020 4
79.#define bfd_mach_m68030 5
80.#define bfd_mach_m68040 6
81.#define bfd_mach_m68060 7
82.#define bfd_mach_cpu32 8
83.#define bfd_mach_mcf5200 9
84.#define bfd_mach_mcf5206e 10
85.#define bfd_mach_mcf5307 11
86.#define bfd_mach_mcf5407 12
87. bfd_arch_vax, {* DEC Vax *}
88. bfd_arch_i960, {* Intel 960 *}
89. {* The order of the following is important.
90. lower number indicates a machine type that
91. only accepts a subset of the instructions
92. available to machines with higher numbers.
93. The exception is the "ca", which is
94. incompatible with all other machines except
95. "core". *}
96.
97.#define bfd_mach_i960_core 1
98.#define bfd_mach_i960_ka_sa 2
99.#define bfd_mach_i960_kb_sb 3
100.#define bfd_mach_i960_mc 4
101.#define bfd_mach_i960_xa 5
102.#define bfd_mach_i960_ca 6
103.#define bfd_mach_i960_jx 7
104.#define bfd_mach_i960_hx 8
105.
106. bfd_arch_or32, {* OpenRISC 32 *}
107.
108. bfd_arch_a29k, {* AMD 29000 *}
109. bfd_arch_sparc, {* SPARC *}
110.#define bfd_mach_sparc 1
111.{* The difference between v8plus and v9 is that v9 is a true 64 bit env. *}
112.#define bfd_mach_sparc_sparclet 2
113.#define bfd_mach_sparc_sparclite 3
114.#define bfd_mach_sparc_v8plus 4
115.#define bfd_mach_sparc_v8plusa 5 {* with ultrasparc add'ns. *}
116.#define bfd_mach_sparc_sparclite_le 6
117.#define bfd_mach_sparc_v9 7
118.#define bfd_mach_sparc_v9a 8 {* with ultrasparc add'ns. *}
119.#define bfd_mach_sparc_v8plusb 9 {* with cheetah add'ns. *}
120.#define bfd_mach_sparc_v9b 10 {* with cheetah add'ns. *}
121.{* Nonzero if MACH has the v9 instruction set. *}
122.#define bfd_mach_sparc_v9_p(mach) \
123. ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \
124. && (mach) != bfd_mach_sparc_sparclite_le)
125. bfd_arch_mips, {* MIPS Rxxxx *}
126.#define bfd_mach_mips3000 3000
127.#define bfd_mach_mips3900 3900
128.#define bfd_mach_mips4000 4000
129.#define bfd_mach_mips4010 4010
130.#define bfd_mach_mips4100 4100
131.#define bfd_mach_mips4111 4111
132.#define bfd_mach_mips4120 4120
133.#define bfd_mach_mips4300 4300
134.#define bfd_mach_mips4400 4400
135.#define bfd_mach_mips4600 4600
136.#define bfd_mach_mips4650 4650
137.#define bfd_mach_mips5000 5000
138.#define bfd_mach_mips5400 5400
139.#define bfd_mach_mips5500 5500
140.#define bfd_mach_mips6000 6000
141.#define bfd_mach_mips8000 8000
142.#define bfd_mach_mips10000 10000
143.#define bfd_mach_mips12000 12000
144.#define bfd_mach_mips16 16
145.#define bfd_mach_mips5 5
146.#define bfd_mach_mips_sb1 12310201 {* octal 'SB', 01 *}
147.#define bfd_mach_mipsisa32 32
148.#define bfd_mach_mipsisa32r2 33
149.#define bfd_mach_mipsisa64 64
150. bfd_arch_i386, {* Intel 386 *}
151.#define bfd_mach_i386_i386 1
152.#define bfd_mach_i386_i8086 2
153.#define bfd_mach_i386_i386_intel_syntax 3
154.#define bfd_mach_x86_64 64
155.#define bfd_mach_x86_64_intel_syntax 65
156. bfd_arch_we32k, {* AT&T WE32xxx *}
157. bfd_arch_tahoe, {* CCI/Harris Tahoe *}
158. bfd_arch_i860, {* Intel 860 *}
159. bfd_arch_i370, {* IBM 360/370 Mainframes *}
160. bfd_arch_romp, {* IBM ROMP PC/RT *}
161. bfd_arch_alliant, {* Alliant *}
162. bfd_arch_convex, {* Convex *}
163. bfd_arch_m88k, {* Motorola 88xxx *}
164. bfd_arch_m98k, {* Motorola 98xxx *}
165. bfd_arch_pyramid, {* Pyramid Technology *}
166. bfd_arch_h8300, {* Renesas H8/300 (formerly Hitachi H8/300) *}
167.#define bfd_mach_h8300 1
168.#define bfd_mach_h8300h 2
169.#define bfd_mach_h8300s 3
170.#define bfd_mach_h8300hn 4
171.#define bfd_mach_h8300sn 5
172. bfd_arch_pdp11, {* DEC PDP-11 *}
173. bfd_arch_powerpc, {* PowerPC *}
174.#define bfd_mach_ppc 32
175.#define bfd_mach_ppc64 64
176.#define bfd_mach_ppc_403 403
177.#define bfd_mach_ppc_403gc 4030
178.#define bfd_mach_ppc_505 505
179.#define bfd_mach_ppc_601 601
180.#define bfd_mach_ppc_602 602
181.#define bfd_mach_ppc_603 603
182.#define bfd_mach_ppc_ec603e 6031
183.#define bfd_mach_ppc_604 604
184.#define bfd_mach_ppc_620 620
185.#define bfd_mach_ppc_630 630
186.#define bfd_mach_ppc_750 750
187.#define bfd_mach_ppc_860 860
188.#define bfd_mach_ppc_a35 35
189.#define bfd_mach_ppc_rs64ii 642
190.#define bfd_mach_ppc_rs64iii 643
191.#define bfd_mach_ppc_7400 7400
192.#define bfd_mach_ppc_e500 500
193. bfd_arch_rs6000, {* IBM RS/6000 *}
194.#define bfd_mach_rs6k 6000
195.#define bfd_mach_rs6k_rs1 6001
196.#define bfd_mach_rs6k_rsc 6003
197.#define bfd_mach_rs6k_rs2 6002
198. bfd_arch_hppa, {* HP PA RISC *}
199. bfd_arch_d10v, {* Mitsubishi D10V *}
200.#define bfd_mach_d10v 1
201.#define bfd_mach_d10v_ts2 2
202.#define bfd_mach_d10v_ts3 3
203. bfd_arch_d30v, {* Mitsubishi D30V *}
204. bfd_arch_dlx, {* DLX *}
205. bfd_arch_m68hc11, {* Motorola 68HC11 *}
206. bfd_arch_m68hc12, {* Motorola 68HC12 *}
207.#define bfd_mach_m6812_default 0
208.#define bfd_mach_m6812 1
209.#define bfd_mach_m6812s 2
210. bfd_arch_z8k, {* Zilog Z8000 *}
211.#define bfd_mach_z8001 1
212.#define bfd_mach_z8002 2
213. bfd_arch_h8500, {* Renesas H8/500 (formerly Hitachi H8/500) *}
214. bfd_arch_sh, {* Renesas / SuperH SH (formerly Hitachi SH) *}
215.#define bfd_mach_sh 1
216.#define bfd_mach_sh2 0x20
217.#define bfd_mach_sh_dsp 0x2d
218.#define bfd_mach_sh2e 0x2e
219.#define bfd_mach_sh3 0x30
220.#define bfd_mach_sh3_dsp 0x3d
221.#define bfd_mach_sh3e 0x3e
222.#define bfd_mach_sh4 0x40
223.#define bfd_mach_sh5 0x50
224. bfd_arch_alpha, {* Dec Alpha *}
225.#define bfd_mach_alpha_ev4 0x10
226.#define bfd_mach_alpha_ev5 0x20
227.#define bfd_mach_alpha_ev6 0x30
228. bfd_arch_arm, {* Advanced Risc Machines ARM. *}
229.#define bfd_mach_arm_unknown 0
230.#define bfd_mach_arm_2 1
231.#define bfd_mach_arm_2a 2
232.#define bfd_mach_arm_3 3
233.#define bfd_mach_arm_3M 4
234.#define bfd_mach_arm_4 5
235.#define bfd_mach_arm_4T 6
236.#define bfd_mach_arm_5 7
237.#define bfd_mach_arm_5T 8
238.#define bfd_mach_arm_5TE 9
239.#define bfd_mach_arm_XScale 10
240.#define bfd_mach_arm_ep9312 11
241.#define bfd_mach_arm_iWMMXt 12
242. bfd_arch_ns32k, {* National Semiconductors ns32000 *}
243. bfd_arch_w65, {* WDC 65816 *}
244. bfd_arch_tic30, {* Texas Instruments TMS320C30 *}
245. bfd_arch_tic4x, {* Texas Instruments TMS320C3X/4X *}
246.#define bfd_mach_tic3x 30
247.#define bfd_mach_tic4x 40
248. bfd_arch_tic54x, {* Texas Instruments TMS320C54X *}
249. bfd_arch_tic80, {* TI TMS320c80 (MVP) *}
250. bfd_arch_v850, {* NEC V850 *}
251.#define bfd_mach_v850 1
252.#define bfd_mach_v850e 'E'
253. bfd_arch_arc, {* ARC Cores *}
254.#define bfd_mach_arc_5 5
255.#define bfd_mach_arc_6 6
256.#define bfd_mach_arc_7 7
257.#define bfd_mach_arc_8 8
258. bfd_arch_m32r, {* Renesas M32R (formerly Mitsubishi M32R/D) *}
259.#define bfd_mach_m32r 1 {* For backwards compatibility. *}
260.#define bfd_mach_m32rx 'x'
261. bfd_arch_mn10200, {* Matsushita MN10200 *}
262. bfd_arch_mn10300, {* Matsushita MN10300 *}
263.#define bfd_mach_mn10300 300
264.#define bfd_mach_am33 330
265. bfd_arch_fr30,
266.#define bfd_mach_fr30 0x46523330
267. bfd_arch_frv,
268.#define bfd_mach_frv 1
269.#define bfd_mach_frvsimple 2
270.#define bfd_mach_fr300 300
271.#define bfd_mach_fr400 400
272.#define bfd_mach_frvtomcat 499 {* fr500 prototype *}
273.#define bfd_mach_fr500 500
274. bfd_arch_mcore,
275. bfd_arch_ia64, {* HP/Intel ia64 *}
276.#define bfd_mach_ia64_elf64 64
277.#define bfd_mach_ia64_elf32 32
278. bfd_arch_ip2k, {* Ubicom IP2K microcontrollers. *}
279.#define bfd_mach_ip2022 1
280.#define bfd_mach_ip2022ext 2
281. bfd_arch_iq2000, {* Vitesse IQ2000. *}
282.#define bfd_mach_iq2000 1
283.#define bfd_mach_iq10 2
284. bfd_arch_pj,
285. bfd_arch_avr, {* Atmel AVR microcontrollers. *}
286.#define bfd_mach_avr1 1
287.#define bfd_mach_avr2 2
288.#define bfd_mach_avr3 3
289.#define bfd_mach_avr4 4
290.#define bfd_mach_avr5 5
291. bfd_arch_cris, {* Axis CRIS *}
292. bfd_arch_s390, {* IBM s390 *}
293.#define bfd_mach_s390_31 31
294.#define bfd_mach_s390_64 64
295. bfd_arch_openrisc, {* OpenRISC *}
296. bfd_arch_mmix, {* Donald Knuth's educational processor. *}
297. bfd_arch_xstormy16,
298.#define bfd_mach_xstormy16 1
299. bfd_arch_msp430, {* Texas Instruments MSP430 architecture. *}
300.#define bfd_mach_msp110 110
301.#define bfd_mach_msp11 11
302.#define bfd_mach_msp12 12
303.#define bfd_mach_msp13 13
304.#define bfd_mach_msp14 14
305.#define bfd_mach_msp41 41
306.#define bfd_mach_msp31 31
307.#define bfd_mach_msp32 32
308.#define bfd_mach_msp33 33
309.#define bfd_mach_msp43 43
310.#define bfd_mach_msp44 44
311.#define bfd_mach_msp15 15
312.#define bfd_mach_msp16 16
313. bfd_arch_xtensa, {* Tensilica's Xtensa cores. *}
314.#define bfd_mach_xtensa 1
315. bfd_arch_last
316. };
317*/
318
319/*
320SUBSECTION
321 bfd_arch_info
322
323DESCRIPTION
324 This structure contains information on architectures for use
325 within BFD.
326
327.
328.typedef struct bfd_arch_info
329.{
330. int bits_per_word;
331. int bits_per_address;
332. int bits_per_byte;
333. enum bfd_architecture arch;
334. unsigned long mach;
335. const char *arch_name;
336. const char *printable_name;
337. unsigned int section_align_power;
338. {* TRUE if this is the default machine for the architecture.
339. The default arch should be the first entry for an arch so that
340. all the entries for that arch can be accessed via <<next>>. *}
341. bfd_boolean the_default;
342. const struct bfd_arch_info * (*compatible)
343. PARAMS ((const struct bfd_arch_info *a,
344. const struct bfd_arch_info *b));
345.
346. bfd_boolean (*scan) PARAMS ((const struct bfd_arch_info *, const char *));
347.
348. const struct bfd_arch_info *next;
349.}
350.bfd_arch_info_type;
351.
352*/
353
354extern const bfd_arch_info_type bfd_a29k_arch;
355extern const bfd_arch_info_type bfd_alpha_arch;
356extern const bfd_arch_info_type bfd_arc_arch;
357extern const bfd_arch_info_type bfd_arm_arch;
358extern const bfd_arch_info_type bfd_avr_arch;
359extern const bfd_arch_info_type bfd_cris_arch;
360extern const bfd_arch_info_type bfd_d10v_arch;
361extern const bfd_arch_info_type bfd_d30v_arch;
362extern const bfd_arch_info_type bfd_dlx_arch;
363extern const bfd_arch_info_type bfd_fr30_arch;
364extern const bfd_arch_info_type bfd_frv_arch;
365extern const bfd_arch_info_type bfd_h8300_arch;
366extern const bfd_arch_info_type bfd_h8500_arch;
367extern const bfd_arch_info_type bfd_hppa_arch;
368extern const bfd_arch_info_type bfd_i370_arch;
369extern const bfd_arch_info_type bfd_i386_arch;
370extern const bfd_arch_info_type bfd_i860_arch;
371extern const bfd_arch_info_type bfd_i960_arch;
372extern const bfd_arch_info_type bfd_ia64_arch;
373extern const bfd_arch_info_type bfd_ip2k_arch;
374extern const bfd_arch_info_type bfd_iq2000_arch;
375extern const bfd_arch_info_type bfd_m32r_arch;
376extern const bfd_arch_info_type bfd_m68hc11_arch;
377extern const bfd_arch_info_type bfd_m68hc12_arch;
378extern const bfd_arch_info_type bfd_m68k_arch;
379extern const bfd_arch_info_type bfd_m88k_arch;
380extern const bfd_arch_info_type bfd_mcore_arch;
381extern const bfd_arch_info_type bfd_mips_arch;
382extern const bfd_arch_info_type bfd_mmix_arch;
383extern const bfd_arch_info_type bfd_mn10200_arch;
384extern const bfd_arch_info_type bfd_mn10300_arch;
385extern const bfd_arch_info_type bfd_msp430_arch;
386extern const bfd_arch_info_type bfd_ns32k_arch;
387extern const bfd_arch_info_type bfd_openrisc_arch;
388extern const bfd_arch_info_type bfd_or32_arch;
389extern const bfd_arch_info_type bfd_pdp11_arch;
390extern const bfd_arch_info_type bfd_pj_arch;
391extern const bfd_arch_info_type bfd_powerpc_archs[];
392#define bfd_powerpc_arch bfd_powerpc_archs[0]
393extern const bfd_arch_info_type bfd_rs6000_arch;
394extern const bfd_arch_info_type bfd_s390_arch;
395extern const bfd_arch_info_type bfd_sh_arch;
396extern const bfd_arch_info_type bfd_sparc_arch;
397extern const bfd_arch_info_type bfd_tic30_arch;
398extern const bfd_arch_info_type bfd_tic4x_arch;
399extern const bfd_arch_info_type bfd_tic54x_arch;
400extern const bfd_arch_info_type bfd_tic80_arch;
401extern const bfd_arch_info_type bfd_v850_arch;
402extern const bfd_arch_info_type bfd_vax_arch;
403extern const bfd_arch_info_type bfd_we32k_arch;
404extern const bfd_arch_info_type bfd_w65_arch;
405extern const bfd_arch_info_type bfd_xstormy16_arch;
406extern const bfd_arch_info_type bfd_xtensa_arch;
407extern const bfd_arch_info_type bfd_z8k_arch;
408
409static const bfd_arch_info_type * const bfd_archures_list[] =
410 {
411#ifdef SELECT_ARCHITECTURES
412 SELECT_ARCHITECTURES,
413#else
414 &bfd_a29k_arch,
415 &bfd_alpha_arch,
416 &bfd_arc_arch,
417 &bfd_arm_arch,
418 &bfd_avr_arch,
419 &bfd_cris_arch,
420 &bfd_d10v_arch,
421 &bfd_d30v_arch,
422 &bfd_dlx_arch,
423 &bfd_fr30_arch,
424 &bfd_frv_arch,
425 &bfd_h8300_arch,
426 &bfd_h8500_arch,
427 &bfd_hppa_arch,
428 &bfd_i370_arch,
429 &bfd_i386_arch,
430 &bfd_i860_arch,
431 &bfd_i960_arch,
432 &bfd_ia64_arch,
433 &bfd_ip2k_arch,
434 &bfd_iq2000_arch,
435 &bfd_m32r_arch,
436 &bfd_m68hc11_arch,
437 &bfd_m68hc12_arch,
438 &bfd_m68k_arch,
439 &bfd_m88k_arch,
440 &bfd_mcore_arch,
441 &bfd_mips_arch,
442 &bfd_mmix_arch,
443 &bfd_mn10200_arch,
444 &bfd_mn10300_arch,
445 &bfd_msp430_arch,
446 &bfd_ns32k_arch,
447 &bfd_openrisc_arch,
448 &bfd_or32_arch,
449 &bfd_pdp11_arch,
450 &bfd_powerpc_arch,
451 &bfd_rs6000_arch,
452 &bfd_s390_arch,
453 &bfd_sh_arch,
454 &bfd_sparc_arch,
455 &bfd_tic30_arch,
456 &bfd_tic4x_arch,
457 &bfd_tic54x_arch,
458 &bfd_tic80_arch,
459 &bfd_v850_arch,
460 &bfd_vax_arch,
461 &bfd_w65_arch,
462 &bfd_we32k_arch,
463 &bfd_xstormy16_arch,
464 &bfd_xtensa_arch,
465 &bfd_z8k_arch,
466#endif
467 0
468};
469
470/*
471FUNCTION
472 bfd_printable_name
473
474SYNOPSIS
475 const char *bfd_printable_name(bfd *abfd);
476
477DESCRIPTION
478 Return a printable string representing the architecture and machine
479 from the pointer to the architecture info structure.
480
481*/
482
483const char *
484bfd_printable_name (abfd)
485 bfd *abfd;
486{
487 return abfd->arch_info->printable_name;
488}
489
490/*
491FUNCTION
492 bfd_scan_arch
493
494SYNOPSIS
495 const bfd_arch_info_type *bfd_scan_arch(const char *string);
496
497DESCRIPTION
498 Figure out if BFD supports any cpu which could be described with
499 the name @var{string}. Return a pointer to an <<arch_info>>
500 structure if a machine is found, otherwise NULL.
501*/
502
503const bfd_arch_info_type *
504bfd_scan_arch (string)
505 const char *string;
506{
507 const bfd_arch_info_type * const *app, *ap;
508
509 /* Look through all the installed architectures. */
510 for (app = bfd_archures_list; *app != NULL; app++)
511 {
512 for (ap = *app; ap != NULL; ap = ap->next)
513 {
514 if (ap->scan (ap, string))
515 return ap;
516 }
517 }
518
519 return NULL;
520}
521
522/*
523FUNCTION
524 bfd_arch_list
525
526SYNOPSIS
527 const char **bfd_arch_list(void);
528
529DESCRIPTION
530 Return a freshly malloced NULL-terminated vector of the names
531 of all the valid BFD architectures. Do not modify the names.
532*/
533
534const char **
535bfd_arch_list ()
536{
537 int vec_length = 0;
538 const char **name_ptr;
539 const char **name_list;
540 const bfd_arch_info_type * const *app;
541 bfd_size_type amt;
542
543 /* Determine the number of architectures. */
544 vec_length = 0;
545 for (app = bfd_archures_list; *app != NULL; app++)
546 {
547 const bfd_arch_info_type *ap;
548 for (ap = *app; ap != NULL; ap = ap->next)
549 {
550 vec_length++;
551 }
552 }
553
554 amt = (vec_length + 1) * sizeof (char **);
555 name_list = (const char **) bfd_malloc (amt);
556 if (name_list == NULL)
557 return NULL;
558
559 /* Point the list at each of the names. */
560 name_ptr = name_list;
561 for (app = bfd_archures_list; *app != NULL; app++)
562 {
563 const bfd_arch_info_type *ap;
564 for (ap = *app; ap != NULL; ap = ap->next)
565 {
566 *name_ptr = ap->printable_name;
567 name_ptr++;
568 }
569 }
570 *name_ptr = NULL;
571
572 return name_list;
573}
574
575/*
576FUNCTION
577 bfd_arch_get_compatible
578
579SYNOPSIS
580 const bfd_arch_info_type *bfd_arch_get_compatible(
581 const bfd *abfd,
582 const bfd *bbfd,
583 bfd_boolean accept_unknowns);
584
585DESCRIPTION
586 Determine whether two BFDs' architectures and machine types
587 are compatible. Calculates the lowest common denominator
588 between the two architectures and machine types implied by
589 the BFDs and returns a pointer to an <<arch_info>> structure
590 describing the compatible machine.
591*/
592
593const bfd_arch_info_type *
594bfd_arch_get_compatible (abfd, bbfd, accept_unknowns)
595 const bfd *abfd;
596 const bfd *bbfd;
597 bfd_boolean accept_unknowns;
598{
599 const bfd * ubfd = NULL;
600
601 /* Look for an unknown architecture. */
602 if (((ubfd = abfd) && ubfd->arch_info->arch == bfd_arch_unknown)
603 || ((ubfd = bbfd) && ubfd->arch_info->arch == bfd_arch_unknown))
604 {
605 /* We can allow an unknown architecture if accept_unknowns
606 is true, or if the target is the "binary" format, which
607 has an unknown architecture. Since the binary format can
608 only be set by explicit request from the user, it is safe
609 to assume that they know what they are doing. */
610 if (accept_unknowns
611 || strcmp (bfd_get_target (ubfd), "binary") == 0)
612 return ubfd->arch_info;
613 return NULL;
614 }
615
616 /* Otherwise architecture-specific code has to decide. */
617 return abfd->arch_info->compatible (abfd->arch_info, bbfd->arch_info);
618}
619
620/*
621INTERNAL_DEFINITION
622 bfd_default_arch_struct
623
624DESCRIPTION
625 The <<bfd_default_arch_struct>> is an item of
626 <<bfd_arch_info_type>> which has been initialized to a fairly
627 generic state. A BFD starts life by pointing to this
628 structure, until the correct back end has determined the real
629 architecture of the file.
630
631.extern const bfd_arch_info_type bfd_default_arch_struct;
632*/
633
634const bfd_arch_info_type bfd_default_arch_struct = {
635 32, 32, 8, bfd_arch_unknown, 0, "unknown", "unknown", 2, TRUE,
636 bfd_default_compatible,
637 bfd_default_scan,
638 0,
639};
640
641/*
642FUNCTION
643 bfd_set_arch_info
644
645SYNOPSIS
646 void bfd_set_arch_info(bfd *abfd, const bfd_arch_info_type *arg);
647
648DESCRIPTION
649 Set the architecture info of @var{abfd} to @var{arg}.
650*/
651
652void
653bfd_set_arch_info (abfd, arg)
654 bfd *abfd;
655 const bfd_arch_info_type *arg;
656{
657 abfd->arch_info = arg;
658}
659
660/*
661INTERNAL_FUNCTION
662 bfd_default_set_arch_mach
663
664SYNOPSIS
665 bfd_boolean bfd_default_set_arch_mach(bfd *abfd,
666 enum bfd_architecture arch,
667 unsigned long mach);
668
669DESCRIPTION
670 Set the architecture and machine type in BFD @var{abfd}
671 to @var{arch} and @var{mach}. Find the correct
672 pointer to a structure and insert it into the <<arch_info>>
673 pointer.
674*/
675
676bfd_boolean
677bfd_default_set_arch_mach (abfd, arch, mach)
678 bfd *abfd;
679 enum bfd_architecture arch;
680 unsigned long mach;
681{
682 abfd->arch_info = bfd_lookup_arch (arch, mach);
683 if (abfd->arch_info != NULL)
684 return TRUE;
685
686 abfd->arch_info = &bfd_default_arch_struct;
687 bfd_set_error (bfd_error_bad_value);
688 return FALSE;
689}
690
691/*
692FUNCTION
693 bfd_get_arch
694
695SYNOPSIS
696 enum bfd_architecture bfd_get_arch(bfd *abfd);
697
698DESCRIPTION
699 Return the enumerated type which describes the BFD @var{abfd}'s
700 architecture.
701*/
702
703enum bfd_architecture
704bfd_get_arch (abfd)
705 bfd *abfd;
706{
707 return abfd->arch_info->arch;
708}
709
710/*
711FUNCTION
712 bfd_get_mach
713
714SYNOPSIS
715 unsigned long bfd_get_mach(bfd *abfd);
716
717DESCRIPTION
718 Return the long type which describes the BFD @var{abfd}'s
719 machine.
720*/
721
722unsigned long
723bfd_get_mach (abfd)
724 bfd *abfd;
725{
726 return abfd->arch_info->mach;
727}
728
729/*
730FUNCTION
731 bfd_arch_bits_per_byte
732
733SYNOPSIS
734 unsigned int bfd_arch_bits_per_byte(bfd *abfd);
735
736DESCRIPTION
737 Return the number of bits in one of the BFD @var{abfd}'s
738 architecture's bytes.
739*/
740
741unsigned int
742bfd_arch_bits_per_byte (abfd)
743 bfd *abfd;
744{
745 return abfd->arch_info->bits_per_byte;
746}
747
748/*
749FUNCTION
750 bfd_arch_bits_per_address
751
752SYNOPSIS
753 unsigned int bfd_arch_bits_per_address(bfd *abfd);
754
755DESCRIPTION
756 Return the number of bits in one of the BFD @var{abfd}'s
757 architecture's addresses.
758*/
759
760unsigned int
761bfd_arch_bits_per_address (abfd)
762 bfd *abfd;
763{
764 return abfd->arch_info->bits_per_address;
765}
766
767/*
768INTERNAL_FUNCTION
769 bfd_default_compatible
770
771SYNOPSIS
772 const bfd_arch_info_type *bfd_default_compatible
773 (const bfd_arch_info_type *a,
774 const bfd_arch_info_type *b);
775
776DESCRIPTION
777 The default function for testing for compatibility.
778*/
779
780const bfd_arch_info_type *
781bfd_default_compatible (a, b)
782 const bfd_arch_info_type *a;
783 const bfd_arch_info_type *b;
784{
785 if (a->arch != b->arch)
786 return NULL;
787
788 if (a->bits_per_word != b->bits_per_word)
789 return NULL;
790
791 if (a->mach > b->mach)
792 return a;
793
794 if (b->mach > a->mach)
795 return b;
796
797 return a;
798}
799
800/*
801INTERNAL_FUNCTION
802 bfd_default_scan
803
804SYNOPSIS
805 bfd_boolean bfd_default_scan(const struct bfd_arch_info *info, const char *string);
806
807DESCRIPTION
808 The default function for working out whether this is an
809 architecture hit and a machine hit.
810*/
811
812bfd_boolean
813bfd_default_scan (info, string)
814 const bfd_arch_info_type *info;
815 const char *string;
816{
817 const char *ptr_src;
818 const char *ptr_tst;
819 unsigned long number;
820 enum bfd_architecture arch;
821 const char *printable_name_colon;
822
823 /* Exact match of the architecture name (ARCH_NAME) and also the
824 default architecture? */
825 if (strcasecmp (string, info->arch_name) == 0
826 && info->the_default)
827 return TRUE;
828
829 /* Exact match of the machine name (PRINTABLE_NAME)? */
830 if (strcasecmp (string, info->printable_name) == 0)
831 return TRUE;
832
833 /* Given that printable_name contains no colon, attempt to match:
834 ARCH_NAME [ ":" ] PRINTABLE_NAME? */
835 printable_name_colon = strchr (info->printable_name, ':');
836 if (printable_name_colon == NULL)
837 {
838 size_t strlen_arch_name = strlen (info->arch_name);
839 if (strncasecmp (string, info->arch_name, strlen_arch_name) == 0)
840 {
841 if (string[strlen_arch_name] == ':')
842 {
843 if (strcasecmp (string + strlen_arch_name + 1,
844 info->printable_name) == 0)
845 return TRUE;
846 }
847 else
848 {
849 if (strcasecmp (string + strlen_arch_name,
850 info->printable_name) == 0)
851 return TRUE;
852 }
853 }
854 }
855
856 /* Given that PRINTABLE_NAME has the form: <arch> ":" <mach>;
857 Attempt to match: <arch> <mach>? */
858 if (printable_name_colon != NULL)
859 {
860 size_t colon_index = printable_name_colon - info->printable_name;
861 if (strncasecmp (string, info->printable_name, colon_index) == 0
862 && strcasecmp (string + colon_index,
863 info->printable_name + colon_index + 1) == 0)
864 return TRUE;
865 }
866
867 /* Given that PRINTABLE_NAME has the form: <arch> ":" <mach>; Do not
868 attempt to match just <mach>, it could be ambigious. This test
869 is left until later. */
870
871 /* NOTE: The below is retained for compatibility only. Please do
872 not add to this code. */
873
874 /* See how much of the supplied string matches with the
875 architecture, eg the string m68k:68020 would match the 68k entry
876 up to the :, then we get left with the machine number. */
877
878 for (ptr_src = string, ptr_tst = info->arch_name;
879 *ptr_src && *ptr_tst;
880 ptr_src++, ptr_tst++)
881 {
882 if (*ptr_src != *ptr_tst)
883 break;
884 }
885
886 /* Chewed up as much of the architecture as will match, skip any
887 colons. */
888 if (*ptr_src == ':')
889 ptr_src++;
890
891 if (*ptr_src == 0)
892 {
893 /* Nothing more, then only keep this one if it is the default
894 machine for this architecture. */
895 return info->the_default;
896 }
897
898 number = 0;
899 while (ISDIGIT (*ptr_src))
900 {
901 number = number * 10 + *ptr_src - '0';
902 ptr_src++;
903 }
904
905 /* NOTE: The below is retained for compatibility only.
906 PLEASE DO NOT ADD TO THIS CODE. */
907
908 switch (number)
909 {
910 /* FIXME: These are needed to parse IEEE objects. */
911 /* The following seven case's are here only for compatibility with
912 older binutils (at least IEEE objects from binutils 2.9.1 require
913 them). */
914 case bfd_mach_m68000:
915 case bfd_mach_m68010:
916 case bfd_mach_m68020:
917 case bfd_mach_m68030:
918 case bfd_mach_m68040:
919 case bfd_mach_m68060:
920 case bfd_mach_cpu32:
921 arch = bfd_arch_m68k;
922 break;
923 case 68000:
924 arch = bfd_arch_m68k;
925 number = bfd_mach_m68000;
926 break;
927 case 68010:
928 arch = bfd_arch_m68k;
929 number = bfd_mach_m68010;
930 break;
931 case 68020:
932 arch = bfd_arch_m68k;
933 number = bfd_mach_m68020;
934 break;
935 case 68030:
936 arch = bfd_arch_m68k;
937 number = bfd_mach_m68030;
938 break;
939 case 68040:
940 arch = bfd_arch_m68k;
941 number = bfd_mach_m68040;
942 break;
943 case 68060:
944 arch = bfd_arch_m68k;
945 number = bfd_mach_m68060;
946 break;
947 case 68332:
948 arch = bfd_arch_m68k;
949 number = bfd_mach_cpu32;
950 break;
951 case 5200:
952 arch = bfd_arch_m68k;
953 number = bfd_mach_mcf5200;
954 break;
955 case 5206:
956 arch = bfd_arch_m68k;
957 number = bfd_mach_mcf5206e;
958 break;
959 case 5307:
960 arch = bfd_arch_m68k;
961 number = bfd_mach_mcf5307;
962 break;
963 case 5407:
964 arch = bfd_arch_m68k;
965 number = bfd_mach_mcf5407;
966 break;
967
968 case 32000:
969 arch = bfd_arch_we32k;
970 break;
971
972 case 3000:
973 arch = bfd_arch_mips;
974 number = bfd_mach_mips3000;
975 break;
976
977 case 4000:
978 arch = bfd_arch_mips;
979 number = bfd_mach_mips4000;
980 break;
981
982 case 6000:
983 arch = bfd_arch_rs6000;
984 break;
985
986 case 7410:
987 arch = bfd_arch_sh;
988 number = bfd_mach_sh_dsp;
989 break;
990
991 case 7708:
992 arch = bfd_arch_sh;
993 number = bfd_mach_sh3;
994 break;
995
996 case 7729:
997 arch = bfd_arch_sh;
998 number = bfd_mach_sh3_dsp;
999 break;
1000
1001 case 7750:
1002 arch = bfd_arch_sh;
1003 number = bfd_mach_sh4;
1004 break;
1005
1006 default:
1007 return FALSE;
1008 }
1009
1010 if (arch != info->arch)
1011 return FALSE;
1012
1013 if (number != info->mach)
1014 return FALSE;
1015
1016 return TRUE;
1017}
1018
1019/*
1020FUNCTION
1021 bfd_get_arch_info
1022
1023SYNOPSIS
1024 const bfd_arch_info_type * bfd_get_arch_info(bfd *abfd);
1025
1026DESCRIPTION
1027 Return the architecture info struct in @var{abfd}.
1028*/
1029
1030const bfd_arch_info_type *
1031bfd_get_arch_info (abfd)
1032 bfd *abfd;
1033{
1034 return abfd->arch_info;
1035}
1036
1037/*
1038FUNCTION
1039 bfd_lookup_arch
1040
1041SYNOPSIS
1042 const bfd_arch_info_type *bfd_lookup_arch
1043 (enum bfd_architecture
1044 arch,
1045 unsigned long machine);
1046
1047DESCRIPTION
1048 Look for the architecure info structure which matches the
1049 arguments @var{arch} and @var{machine}. A machine of 0 matches the
1050 machine/architecture structure which marks itself as the
1051 default.
1052*/
1053
1054const bfd_arch_info_type *
1055bfd_lookup_arch (arch, machine)
1056 enum bfd_architecture arch;
1057 unsigned long machine;
1058{
1059 const bfd_arch_info_type * const *app, *ap;
1060
1061 for (app = bfd_archures_list; *app != NULL; app++)
1062 {
1063 for (ap = *app; ap != NULL; ap = ap->next)
1064 {
1065 if (ap->arch == arch
1066 && (ap->mach == machine
1067 || (machine == 0 && ap->the_default)))
1068 return ap;
1069 }
1070 }
1071
1072 return NULL;
1073}
1074
1075/*
1076FUNCTION
1077 bfd_printable_arch_mach
1078
1079SYNOPSIS
1080 const char *bfd_printable_arch_mach
1081 (enum bfd_architecture arch, unsigned long machine);
1082
1083DESCRIPTION
1084 Return a printable string representing the architecture and
1085 machine type.
1086
1087 This routine is depreciated.
1088*/
1089
1090const char *
1091bfd_printable_arch_mach (arch, machine)
1092 enum bfd_architecture arch;
1093 unsigned long machine;
1094{
1095 const bfd_arch_info_type *ap = bfd_lookup_arch (arch, machine);
1096
1097 if (ap)
1098 return ap->printable_name;
1099 return "UNKNOWN!";
1100}
1101
1102/*
1103FUNCTION
1104 bfd_octets_per_byte
1105
1106SYNOPSIS
1107 unsigned int bfd_octets_per_byte(bfd *abfd);
1108
1109DESCRIPTION
1110 Return the number of octets (8-bit quantities) per target byte
1111 (minimum addressable unit). In most cases, this will be one, but some
1112 DSP targets have 16, 32, or even 48 bits per byte.
1113*/
1114
1115unsigned int
1116bfd_octets_per_byte (abfd)
1117 bfd *abfd;
1118{
1119 return bfd_arch_mach_octets_per_byte (bfd_get_arch (abfd),
1120 bfd_get_mach (abfd));
1121}
1122
1123/*
1124FUNCTION
1125 bfd_arch_mach_octets_per_byte
1126
1127SYNOPSIS
1128 unsigned int bfd_arch_mach_octets_per_byte(enum bfd_architecture arch,
1129 unsigned long machine);
1130
1131DESCRIPTION
1132 See bfd_octets_per_byte.
1133
1134 This routine is provided for those cases where a bfd * is not
1135 available
1136*/
1137
1138unsigned int
1139bfd_arch_mach_octets_per_byte (arch, mach)
1140 enum bfd_architecture arch;
1141 unsigned long mach;
1142{
1143 const bfd_arch_info_type *ap = bfd_lookup_arch (arch, mach);
1144
1145 if (ap)
1146 return ap->bits_per_byte / 8;
1147 return 1;
1148}
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