1 /* BFD library support routines for architectures.
2 Copyright (C) 1990, 91-98, 1999 Free Software Foundation, Inc.
3 Hacked by John Gilmore and Steve Chamberlain of Cygnus Support.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
31 BFD keeps one atom in a BFD describing the
32 architecture of the data attached to the BFD: a pointer to a
33 <<bfd_arch_info_type>>.
35 Pointers to structures can be requested independently of a BFD
36 so that an architecture's information can be interrogated
37 without access to an open BFD.
39 The architecture information is provided by each architecture package.
40 The set of default architectures is selected by the macro
41 <<SELECT_ARCHITECTURES>>. This is normally set up in the
42 @file{config/@var{target}.mt} file of your choice. If the name is not
43 defined, then all the architectures supported are included.
45 When BFD starts up, all the architectures are called with an
46 initialize method. It is up to the architecture back end to
47 insert as many items into the list of architectures as it wants to;
48 generally this would be one for each machine and one for the
49 default case (an item with a machine field of 0).
51 BFD's idea of an architecture is implemented in @file{archures.c}.
60 This enum gives the object file's CPU architecture, in a
61 global sense---i.e., what processor family does it belong to?
62 Another field indicates which processor within
63 the family is in use. The machine gives a number which
64 distinguishes different versions of the architecture,
65 containing, for example, 2 and 3 for Intel i960 KA and i960 KB,
66 and 68020 and 68030 for Motorola 68020 and 68030.
68 .enum bfd_architecture
70 . bfd_arch_unknown, {* File arch not known *}
71 . bfd_arch_obscure, {* Arch known, not one of these *}
72 . bfd_arch_m68k, {* Motorola 68xxx *}
73 .#define bfd_mach_m68000 1
74 .#define bfd_mach_m68008 2
75 .#define bfd_mach_m68010 3
76 .#define bfd_mach_m68020 4
77 .#define bfd_mach_m68030 5
78 .#define bfd_mach_m68040 6
79 .#define bfd_mach_m68060 7
80 .#define bfd_mach_cpu32 8
81 . bfd_arch_vax, {* DEC Vax *}
82 . bfd_arch_i960, {* Intel 960 *}
83 . {* The order of the following is important.
84 . lower number indicates a machine type that
85 . only accepts a subset of the instructions
86 . available to machines with higher numbers.
87 . The exception is the "ca", which is
88 . incompatible with all other machines except
91 .#define bfd_mach_i960_core 1
92 .#define bfd_mach_i960_ka_sa 2
93 .#define bfd_mach_i960_kb_sb 3
94 .#define bfd_mach_i960_mc 4
95 .#define bfd_mach_i960_xa 5
96 .#define bfd_mach_i960_ca 6
97 .#define bfd_mach_i960_jx 7
98 .#define bfd_mach_i960_hx 8
100 . bfd_arch_a29k, {* AMD 29000 *}
101 . bfd_arch_sparc, {* SPARC *}
102 .#define bfd_mach_sparc 1
103 .{* The difference between v8plus and v9 is that v9 is a true 64 bit env. *}
104 .#define bfd_mach_sparc_sparclet 2
105 .#define bfd_mach_sparc_sparclite 3
106 .#define bfd_mach_sparc_v8plus 4
107 .#define bfd_mach_sparc_v8plusa 5 {* with ultrasparc add'ns *}
108 .#define bfd_mach_sparc_sparclite_le 6
109 .#define bfd_mach_sparc_v9 7
110 .#define bfd_mach_sparc_v9a 8 {* with ultrasparc add'ns *}
111 .{* Nonzero if MACH has the v9 instruction set. *}
112 .#define bfd_mach_sparc_v9_p(mach) \
113 . ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9a)
114 . bfd_arch_mips, {* MIPS Rxxxx *}
115 .#define bfd_mach_mips3000 3000
116 .#define bfd_mach_mips3900 3900
117 .#define bfd_mach_mips4000 4000
118 .#define bfd_mach_mips4010 4010
119 .#define bfd_mach_mips4100 4100
120 .#define bfd_mach_mips4111 4111
121 .#define bfd_mach_mips4300 4300
122 .#define bfd_mach_mips4400 4400
123 .#define bfd_mach_mips4600 4600
124 .#define bfd_mach_mips4650 4650
125 .#define bfd_mach_mips5000 5000
126 .#define bfd_mach_mips6000 6000
127 .#define bfd_mach_mips8000 8000
128 .#define bfd_mach_mips10000 10000
129 .#define bfd_mach_mips16 16
130 . bfd_arch_i386, {* Intel 386 *}
131 .#define bfd_mach_i386_i386 0
132 .#define bfd_mach_i386_i8086 1
133 .#define bfd_mach_i386_i386_intel_syntax 2
134 . bfd_arch_we32k, {* AT&T WE32xxx *}
135 . bfd_arch_tahoe, {* CCI/Harris Tahoe *}
136 . bfd_arch_i860, {* Intel 860 *}
137 . bfd_arch_romp, {* IBM ROMP PC/RT *}
138 . bfd_arch_alliant, {* Alliant *}
139 . bfd_arch_convex, {* Convex *}
140 . bfd_arch_m88k, {* Motorola 88xxx *}
141 . bfd_arch_pyramid, {* Pyramid Technology *}
142 . bfd_arch_h8300, {* Hitachi H8/300 *}
143 .#define bfd_mach_h8300 1
144 .#define bfd_mach_h8300h 2
145 .#define bfd_mach_h8300s 3
146 . bfd_arch_powerpc, {* PowerPC *}
147 . bfd_arch_rs6000, {* IBM RS/6000 *}
148 . bfd_arch_hppa, {* HP PA RISC *}
149 . bfd_arch_d10v, {* Mitsubishi D10V *}
150 .#define bfd_mach_d10v 0
151 .#define bfd_mach_d10v_ts2 2
152 .#define bfd_mach_d10v_ts3 3
153 . bfd_arch_d30v, {* Mitsubishi D30V *}
154 . bfd_arch_z8k, {* Zilog Z8000 *}
155 .#define bfd_mach_z8001 1
156 .#define bfd_mach_z8002 2
157 . bfd_arch_h8500, {* Hitachi H8/500 *}
158 . bfd_arch_sh, {* Hitachi SH *}
159 .#define bfd_mach_sh 0
160 .#define bfd_mach_sh3 0x30
161 .#define bfd_mach_sh3e 0x3e
162 . bfd_arch_alpha, {* Dec Alpha *}
163 .#define bfd_mach_alpha_ev4 0x10
164 .#define bfd_mach_alpha_ev5 0x20
165 .#define bfd_mach_alpha_ev6 0x30
166 . bfd_arch_arm, {* Advanced Risc Machines ARM *}
167 .#define bfd_mach_arm_2 1
168 .#define bfd_mach_arm_2a 2
169 .#define bfd_mach_arm_3 3
170 .#define bfd_mach_arm_3M 4
171 .#define bfd_mach_arm_4 5
172 .#define bfd_mach_arm_4T 6
173 .#define bfd_mach_arm_5 7
174 .#define bfd_mach_arm_5T 8
175 . bfd_arch_ns32k, {* National Semiconductors ns32000 *}
176 . bfd_arch_w65, {* WDC 65816 *}
177 . bfd_arch_tic30, {* Texas Instruments TMS320C30 *}
178 . bfd_arch_tic80, {* TI TMS320c80 (MVP) *}
179 . bfd_arch_v850, {* NEC V850 *}
180 .#define bfd_mach_v850 0
181 .#define bfd_mach_v850e 'E'
182 .#define bfd_mach_v850ea 'A'
183 . bfd_arch_arc, {* Argonaut RISC Core *}
184 .#define bfd_mach_arc_base 0
185 . bfd_arch_m32r, {* Mitsubishi M32R/D *}
186 .#define bfd_mach_m32r 0 {* backwards compatibility *}
187 .#define bfd_mach_m32rx 'x'
188 . bfd_arch_mn10200, {* Matsushita MN10200 *}
189 . bfd_arch_mn10300, {* Matsushita MN10300 *}
190 .#define bfd_mach_mn10300 300
192 .#define bfd_mach_fr30 0x46523330
207 This structure contains information on architectures for use
211 .typedef struct bfd_arch_info
214 . int bits_per_address;
216 . enum bfd_architecture arch;
217 . unsigned long mach;
218 . const char *arch_name;
219 . const char *printable_name;
220 . unsigned int section_align_power;
221 . {* true if this is the default machine for the architecture *}
222 . boolean the_default;
223 . const struct bfd_arch_info * (*compatible)
224 . PARAMS ((const struct bfd_arch_info *a,
225 . const struct bfd_arch_info *b));
227 . boolean (*scan) PARAMS ((const struct bfd_arch_info *, const char *));
229 . const struct bfd_arch_info *next;
230 .} bfd_arch_info_type;
233 extern const bfd_arch_info_type bfd_a29k_arch
;
234 extern const bfd_arch_info_type bfd_alpha_arch
;
235 extern const bfd_arch_info_type bfd_arc_arch
;
236 extern const bfd_arch_info_type bfd_arm_arch
;
237 extern const bfd_arch_info_type bfd_d10v_arch
;
238 extern const bfd_arch_info_type bfd_d30v_arch
;
239 extern const bfd_arch_info_type bfd_h8300_arch
;
240 extern const bfd_arch_info_type bfd_h8500_arch
;
241 extern const bfd_arch_info_type bfd_hppa_arch
;
242 extern const bfd_arch_info_type bfd_i386_arch
;
243 extern const bfd_arch_info_type bfd_i860_arch
;
244 extern const bfd_arch_info_type bfd_i960_arch
;
245 extern const bfd_arch_info_type bfd_m32r_arch
;
246 extern const bfd_arch_info_type bfd_m68k_arch
;
247 extern const bfd_arch_info_type bfd_m88k_arch
;
248 extern const bfd_arch_info_type bfd_mips_arch
;
249 extern const bfd_arch_info_type bfd_mn10200_arch
;
250 extern const bfd_arch_info_type bfd_mn10300_arch
;
251 extern const bfd_arch_info_type bfd_powerpc_arch
;
252 extern const bfd_arch_info_type bfd_rs6000_arch
;
253 extern const bfd_arch_info_type bfd_pj_arch
;
254 extern const bfd_arch_info_type bfd_sh_arch
;
255 extern const bfd_arch_info_type bfd_sparc_arch
;
256 extern const bfd_arch_info_type bfd_tic30_arch
;
257 extern const bfd_arch_info_type bfd_tic80_arch
;
258 extern const bfd_arch_info_type bfd_vax_arch
;
259 extern const bfd_arch_info_type bfd_we32k_arch
;
260 extern const bfd_arch_info_type bfd_z8k_arch
;
261 extern const bfd_arch_info_type bfd_ns32k_arch
;
262 extern const bfd_arch_info_type bfd_w65_arch
;
263 extern const bfd_arch_info_type bfd_v850_arch
;
264 extern const bfd_arch_info_type bfd_fr30_arch
;
265 extern const bfd_arch_info_type bfd_mcore_arch
;
267 static const bfd_arch_info_type
* const bfd_archures_list
[] =
269 #ifdef SELECT_ARCHITECTURES
270 SELECT_ARCHITECTURES
,
313 const char *bfd_printable_name(bfd *abfd);
316 Return a printable string representing the architecture and machine
317 from the pointer to the architecture info structure.
322 bfd_printable_name (abfd
)
325 return abfd
->arch_info
->printable_name
;
335 const bfd_arch_info_type *bfd_scan_arch(const char *string);
338 Figure out if BFD supports any cpu which could be described with
339 the name @var{string}. Return a pointer to an <<arch_info>>
340 structure if a machine is found, otherwise NULL.
344 const bfd_arch_info_type
*
345 bfd_scan_arch (string
)
348 const bfd_arch_info_type
* const *app
, *ap
;
350 /* Look through all the installed architectures */
351 for (app
= bfd_archures_list
; *app
!= NULL
; app
++)
353 for (ap
= *app
; ap
!= NULL
; ap
= ap
->next
)
355 if (ap
->scan (ap
, string
))
370 const char **bfd_arch_list(void);
373 Return a freshly malloced NULL-terminated vector of the names
374 of all the valid BFD architectures. Do not modify the names.
382 const char **name_ptr
;
383 const char **name_list
;
384 const bfd_arch_info_type
* const *app
;
386 /* Determine the number of architectures */
388 for (app
= bfd_archures_list
; *app
!= NULL
; app
++)
390 const bfd_arch_info_type
*ap
;
391 for (ap
= *app
; ap
!= NULL
; ap
= ap
->next
)
397 name_list
= (CONST
char **)
398 bfd_malloc ((vec_length
+ 1) * sizeof (char **));
399 if (name_list
== NULL
)
402 /* Point the list at each of the names */
403 name_ptr
= name_list
;
404 for (app
= bfd_archures_list
; *app
!= NULL
; app
++)
406 const bfd_arch_info_type
*ap
;
407 for (ap
= *app
; ap
!= NULL
; ap
= ap
->next
)
409 *name_ptr
= ap
->printable_name
;
422 bfd_arch_get_compatible
425 const bfd_arch_info_type *bfd_arch_get_compatible(
430 Determine whether two BFDs'
431 architectures and machine types are compatible. Calculates
432 the lowest common denominator between the two architectures
433 and machine types implied by the BFDs and returns a pointer to
434 an <<arch_info>> structure describing the compatible machine.
437 const bfd_arch_info_type
*
438 bfd_arch_get_compatible (abfd
, bbfd
)
442 /* If either architecture is unknown, then all we can do is assume
443 the user knows what he's doing. */
444 if (abfd
->arch_info
->arch
== bfd_arch_unknown
)
445 return bbfd
->arch_info
;
446 if (bbfd
->arch_info
->arch
== bfd_arch_unknown
)
447 return abfd
->arch_info
;
449 /* Otherwise architecture-specific code has to decide. */
450 return abfd
->arch_info
->compatible (abfd
->arch_info
, bbfd
->arch_info
);
456 bfd_default_arch_struct
459 The <<bfd_default_arch_struct>> is an item of
460 <<bfd_arch_info_type>> which has been initialized to a fairly
461 generic state. A BFD starts life by pointing to this
462 structure, until the correct back end has determined the real
463 architecture of the file.
465 .extern const bfd_arch_info_type bfd_default_arch_struct;
469 const bfd_arch_info_type bfd_default_arch_struct
=
471 32,32,8,bfd_arch_unknown
,0,"unknown","unknown",2,true,
472 bfd_default_compatible
,
482 void bfd_set_arch_info(bfd *abfd, const bfd_arch_info_type *arg);
485 Set the architecture info of @var{abfd} to @var{arg}.
489 bfd_set_arch_info (abfd
, arg
)
491 const bfd_arch_info_type
*arg
;
493 abfd
->arch_info
= arg
;
498 bfd_default_set_arch_mach
501 boolean bfd_default_set_arch_mach(bfd *abfd,
502 enum bfd_architecture arch,
506 Set the architecture and machine type in BFD @var{abfd}
507 to @var{arch} and @var{mach}. Find the correct
508 pointer to a structure and insert it into the <<arch_info>>
513 bfd_default_set_arch_mach (abfd
, arch
, mach
)
515 enum bfd_architecture arch
;
518 const bfd_arch_info_type
* const *app
, *ap
;
520 for (app
= bfd_archures_list
; *app
!= NULL
; app
++)
522 for (ap
= *app
; ap
!= NULL
; ap
= ap
->next
)
526 || (mach
== 0 && ap
->the_default
)))
528 abfd
->arch_info
= ap
;
534 abfd
->arch_info
= &bfd_default_arch_struct
;
535 bfd_set_error (bfd_error_bad_value
);
545 enum bfd_architecture bfd_get_arch(bfd *abfd);
548 Return the enumerated type which describes the BFD @var{abfd}'s
553 enum bfd_architecture
557 return abfd
->arch_info
->arch
;
565 unsigned long bfd_get_mach(bfd *abfd);
568 Return the long type which describes the BFD @var{abfd}'s
576 return abfd
->arch_info
->mach
;
581 bfd_arch_bits_per_byte
584 unsigned int bfd_arch_bits_per_byte(bfd *abfd);
587 Return the number of bits in one of the BFD @var{abfd}'s
588 architecture's bytes.
593 bfd_arch_bits_per_byte (abfd
)
596 return abfd
->arch_info
->bits_per_byte
;
601 bfd_arch_bits_per_address
604 unsigned int bfd_arch_bits_per_address(bfd *abfd);
607 Return the number of bits in one of the BFD @var{abfd}'s
608 architecture's addresses.
612 bfd_arch_bits_per_address (abfd
)
615 return abfd
->arch_info
->bits_per_address
;
621 bfd_default_compatible
624 const bfd_arch_info_type *bfd_default_compatible
625 (const bfd_arch_info_type *a,
626 const bfd_arch_info_type *b);
629 The default function for testing for compatibility.
632 const bfd_arch_info_type
*
633 bfd_default_compatible (a
,b
)
634 const bfd_arch_info_type
*a
;
635 const bfd_arch_info_type
*b
;
637 if (a
->arch
!= b
->arch
)
640 if (a
->mach
> b
->mach
)
643 if (b
->mach
> a
->mach
)
655 boolean bfd_default_scan(const struct bfd_arch_info *info, const char *string);
658 The default function for working out whether this is an
659 architecture hit and a machine hit.
663 bfd_default_scan (info
, string
)
664 const struct bfd_arch_info
*info
;
669 unsigned long number
;
670 enum bfd_architecture arch
;
671 const char *printable_name_colon
;
673 /* Exact match of the architecture name (ARCH_NAME) and also the
674 default architecture? */
675 if (strcasecmp (string
, info
->arch_name
) == 0
676 && info
->the_default
)
679 /* Exact match of the machine name (PRINTABLE_NAME)? */
680 if (strcasecmp (string
, info
->printable_name
) == 0)
683 /* Given that printable_name contains no colon, attempt to match:
684 ARCH_NAME [ ":" ] PRINTABLE_NAME? */
685 printable_name_colon
= strchr (info
->printable_name
, ':');
686 if (printable_name_colon
== NULL
)
688 int strlen_arch_name
= strlen (info
->arch_name
);
689 if (strncasecmp (string
, info
->arch_name
, strlen_arch_name
) == 0)
691 if (string
[strlen_arch_name
] == ':')
693 if (strcasecmp (string
+ strlen_arch_name
+ 1,
694 info
->printable_name
) == 0)
699 if (strcasecmp (string
+ strlen_arch_name
,
700 info
->printable_name
) == 0)
706 /* Given that PRINTABLE_NAME has the form: <arch> ":" <mach>;
707 Attempt to match: <arch> <mach>? */
708 if (printable_name_colon
!= NULL
)
710 int colon_index
= printable_name_colon
- info
->printable_name
;
711 if (strncasecmp (string
, info
->printable_name
, colon_index
) == 0
712 && strcasecmp (string
+ colon_index
,
713 info
->printable_name
+ colon_index
+ 1) == 0)
717 /* Given that PRINTABLE_NAME has the form: <arch> ":" <mach>; Do not
718 attempt to match just <mach>, it could be ambigious. This test
719 is left until later. */
721 /* NOTE: The below is retained for compatibility only. Please do not
724 /* See how much of the supplied string matches with the
725 architecture, eg the string m68k:68020 would match the 68k entry
726 up to the :, then we get left with the machine number */
728 for (ptr_src
= string
, ptr_tst
= info
->arch_name
;
729 *ptr_src
&& *ptr_tst
;
730 ptr_src
++, ptr_tst
++)
732 if (*ptr_src
!= *ptr_tst
) break;
735 /* Chewed up as much of the architecture as will match, skip any
742 /* nothing more, then only keep this one if it is the default
743 machine for this architecture */
744 return info
->the_default
;
748 while (isdigit ((unsigned char) *ptr_src
))
750 number
= number
* 10 + *ptr_src
- '0';
754 /* NOTE: The below is retained for compatibility only.
755 PLEASE DO NOT ADD TO THIS CODE. */
759 /* FIXME: These are needed to parse IEEE objects. */
761 arch
= bfd_arch_m68k
;
762 number
= bfd_mach_m68000
;
765 arch
= bfd_arch_m68k
;
766 number
= bfd_mach_m68010
;
769 arch
= bfd_arch_m68k
;
770 number
= bfd_mach_m68020
;
773 arch
= bfd_arch_m68k
;
774 number
= bfd_mach_m68030
;
777 arch
= bfd_arch_m68k
;
778 number
= bfd_mach_m68040
;
781 arch
= bfd_arch_m68k
;
782 number
= bfd_mach_m68060
;
785 arch
= bfd_arch_m68k
;
786 number
= bfd_mach_cpu32
;
790 arch
= bfd_arch_we32k
;
794 arch
= bfd_arch_mips
;
795 number
= bfd_mach_mips3000
;
799 arch
= bfd_arch_mips
;
800 number
= bfd_mach_mips4000
;
804 arch
= bfd_arch_rs6000
;
811 if (arch
!= info
->arch
)
814 if (number
!= info
->mach
)
826 const bfd_arch_info_type * bfd_get_arch_info(bfd *abfd);
829 Return the architecture info struct in @var{abfd}.
832 const bfd_arch_info_type
*
833 bfd_get_arch_info (abfd
)
836 return abfd
->arch_info
;
845 const bfd_arch_info_type *bfd_lookup_arch
846 (enum bfd_architecture
848 unsigned long machine);
851 Look for the architecure info structure which matches the
852 arguments @var{arch} and @var{machine}. A machine of 0 matches the
853 machine/architecture structure which marks itself as the
857 const bfd_arch_info_type
*
858 bfd_lookup_arch (arch
, machine
)
859 enum bfd_architecture arch
;
860 unsigned long machine
;
862 const bfd_arch_info_type
* const *app
, *ap
;
864 for (app
= bfd_archures_list
; *app
!= NULL
; app
++)
866 for (ap
= *app
; ap
!= NULL
; ap
= ap
->next
)
869 && (ap
->mach
== machine
870 || (machine
== 0 && ap
->the_default
)))
881 bfd_printable_arch_mach
884 const char *bfd_printable_arch_mach
885 (enum bfd_architecture arch, unsigned long machine);
888 Return a printable string representing the architecture and
891 This routine is depreciated.
895 bfd_printable_arch_mach (arch
, machine
)
896 enum bfd_architecture arch
;
897 unsigned long machine
;
899 const bfd_arch_info_type
*ap
= bfd_lookup_arch (arch
, machine
);
902 return ap
->printable_name
;