[deliverable/binutils-gdb.git] / bfd / cpu-mips.c

/* bfd back-end for mips support
   Copyright (C) 1990-2020 Free Software Foundation, Inc.
   Written by Steve Chamberlain of Cygnus Support.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#include "sysdep.h"
#include "bfd.h"
#include "libbfd.h"

static const bfd_arch_info_type *mips_compatible
  (const bfd_arch_info_type *, const bfd_arch_info_type *);

/* The default routine tests bits_per_word, which is wrong on mips as
   mips word size doesn't correlate with reloc size.  */

static const bfd_arch_info_type *
mips_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
{
  if (a->arch != b->arch)
    return NULL;

  /* Machine compatibility is checked in
     _bfd_mips_elf_merge_private_bfd_data.  */

  return a;
}

#define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT)		\
  {							\
    BITS_WORD,  /* Bits in a word.  */			\
    BITS_ADDR,  /* Bits in an address.  */		\
    8,	        /* Bits in a byte.  */			\
    bfd_arch_mips,					\
    NUMBER,						\
    "mips",						\
    PRINT,						\
    3,							\
    DEFAULT,						\
    mips_compatible,					\
    bfd_default_scan,					\
    bfd_arch_default_fill,				\
    NEXT,						\
    0 /* Maximum offset of a reloc from the start of an insn.  */ \
  }

enum
{
  I_mips3000,
  I_mips3900,
  I_mips4000,
  I_mips4010,
  I_mips4100,
  I_mips4111,
  I_mips4120,
  I_mips4300,
  I_mips4400,
  I_mips4600,
  I_mips4650,
  I_mips5000,
  I_mips5400,
  I_mips5500,
  I_mips5900,
  I_mips6000,
  I_mips7000,
  I_mips8000,
  I_mips9000,
  I_mips10000,
  I_mips12000,
  I_mips14000,
  I_mips16000,
  I_mips16,
  I_mips5,
  I_mipsisa32,
  I_mipsisa32r2,
  I_mipsisa32r3,
  I_mipsisa32r5,
  I_mipsisa32r6,
  I_mipsisa64,
  I_mipsisa64r2,
  I_mipsisa64r3,
  I_mipsisa64r5,
  I_mipsisa64r6,
  I_sb1,
  I_loongson_2e,
  I_loongson_2f,
  I_gs464,
  I_gs464e,
  I_gs264e,
  I_mipsocteon,
  I_mipsocteonp,
  I_mipsocteon2,
  I_mipsocteon3,
  I_xlr,
  I_interaptiv_mr2,
  I_micromips
};

#define NN(index) (&arch_info_struct[(index) + 1])

static const bfd_arch_info_type arch_info_struct[] =
{
  N (32, 32, bfd_mach_mips3000, "mips:3000",	  FALSE, NN(I_mips3000)),
  N (32, 32, bfd_mach_mips3900, "mips:3900",	  FALSE, NN(I_mips3900)),
  N (64, 64, bfd_mach_mips4000, "mips:4000",	  FALSE, NN(I_mips4000)),
  N (32, 32, bfd_mach_mips4010, "mips:4010",	  FALSE, NN(I_mips4010)),
  N (64, 64, bfd_mach_mips4100, "mips:4100",	  FALSE, NN(I_mips4100)),
  N (64, 64, bfd_mach_mips4111, "mips:4111",	  FALSE, NN(I_mips4111)),
  N (64, 64, bfd_mach_mips4120, "mips:4120",	  FALSE, NN(I_mips4120)),
  N (64, 64, bfd_mach_mips4300, "mips:4300",	  FALSE, NN(I_mips4300)),
  N (64, 64, bfd_mach_mips4400, "mips:4400",	  FALSE, NN(I_mips4400)),
  N (64, 64, bfd_mach_mips4600, "mips:4600",	  FALSE, NN(I_mips4600)),
  N (64, 64, bfd_mach_mips4650, "mips:4650",	  FALSE, NN(I_mips4650)),
  N (64, 64, bfd_mach_mips5000, "mips:5000",	  FALSE, NN(I_mips5000)),
  N (64, 64, bfd_mach_mips5400, "mips:5400",	  FALSE, NN(I_mips5400)),
  N (64, 64, bfd_mach_mips5500, "mips:5500",	  FALSE, NN(I_mips5500)),
  N (64, 32, bfd_mach_mips5900, "mips:5900",	  FALSE, NN(I_mips5900)),
  N (32, 32, bfd_mach_mips6000, "mips:6000",	  FALSE, NN(I_mips6000)),
  N (64, 64, bfd_mach_mips7000, "mips:7000",	  FALSE, NN(I_mips7000)),
  N (64, 64, bfd_mach_mips8000, "mips:8000",	  FALSE, NN(I_mips8000)),
  N (64, 64, bfd_mach_mips9000, "mips:9000",	  FALSE, NN(I_mips9000)),
  N (64, 64, bfd_mach_mips10000,"mips:10000",	  FALSE, NN(I_mips10000)),
  N (64, 64, bfd_mach_mips12000,"mips:12000",	  FALSE, NN(I_mips12000)),
  N (64, 64, bfd_mach_mips14000,"mips:14000",	  FALSE, NN(I_mips14000)),
  N (64, 64, bfd_mach_mips16000,"mips:16000",	  FALSE, NN(I_mips16000)),
  N (64, 64, bfd_mach_mips16,	"mips:16",	  FALSE, NN(I_mips16)),
  N (64, 64, bfd_mach_mips5,	"mips:mips5",	  FALSE, NN(I_mips5)),
  N (32, 32, bfd_mach_mipsisa32,  "mips:isa32",	  FALSE, NN(I_mipsisa32)),
  N (32, 32, bfd_mach_mipsisa32r2,"mips:isa32r2", FALSE, NN(I_mipsisa32r2)),
  N (32, 32, bfd_mach_mipsisa32r3,"mips:isa32r3", FALSE, NN(I_mipsisa32r3)),
  N (32, 32, bfd_mach_mipsisa32r5,"mips:isa32r5", FALSE, NN(I_mipsisa32r5)),
  N (32, 32, bfd_mach_mipsisa32r6,"mips:isa32r6", FALSE, NN(I_mipsisa32r6)),
  N (64, 64, bfd_mach_mipsisa64,  "mips:isa64",	  FALSE, NN(I_mipsisa64)),
  N (64, 64, bfd_mach_mipsisa64r2,"mips:isa64r2", FALSE, NN(I_mipsisa64r2)),
  N (64, 64, bfd_mach_mipsisa64r3,"mips:isa64r3", FALSE, NN(I_mipsisa64r3)),
  N (64, 64, bfd_mach_mipsisa64r5,"mips:isa64r5", FALSE, NN(I_mipsisa64r5)),
  N (64, 64, bfd_mach_mipsisa64r6,"mips:isa64r6", FALSE, NN(I_mipsisa64r6)),
  N (64, 64, bfd_mach_mips_sb1, "mips:sb1",	  FALSE, NN(I_sb1)),
  N (64, 64, bfd_mach_mips_loongson_2e, "mips:loongson_2e", FALSE, NN(I_loongson_2e)),
  N (64, 64, bfd_mach_mips_loongson_2f, "mips:loongson_2f", FALSE, NN(I_loongson_2f)),
  N (64, 64, bfd_mach_mips_gs464, "mips:gs464",	  FALSE, NN(I_gs464)),
  N (64, 64, bfd_mach_mips_gs464e, "mips:gs464e", FALSE, NN(I_gs464e)),
  N (64, 64, bfd_mach_mips_gs264e, "mips:gs264e", FALSE, NN(I_gs264e)),
  N (64, 64, bfd_mach_mips_octeon,"mips:octeon",  FALSE, NN(I_mipsocteon)),
  N (64, 64, bfd_mach_mips_octeonp,"mips:octeon+", FALSE, NN(I_mipsocteonp)),
  N (64, 64, bfd_mach_mips_octeon2,"mips:octeon2", FALSE, NN(I_mipsocteon2)),
  N (64, 64, bfd_mach_mips_octeon3, "mips:octeon3", FALSE, NN(I_mipsocteon3)),
  N (64, 64, bfd_mach_mips_xlr, "mips:xlr",	   FALSE, NN(I_xlr)),
  N (32, 32, bfd_mach_mips_interaptiv_mr2, "mips:interaptiv-mr2", FALSE,
     NN(I_interaptiv_mr2)),
  N (64, 64, bfd_mach_mips_micromips, "mips:micromips", FALSE, NULL)
};

/* The default architecture is mips:3000, but with a machine number of
   zero.  This lets the linker distinguish between a default setting
   of mips, and an explicit setting of mips:3000.  */

const bfd_arch_info_type bfd_mips_arch =
N (32, 32, 0, "mips", TRUE, &arch_info_struct[0]);
Commit	Line	Data
252b5132	1	/* bfd back-end for mips support
b3adc24a	2	Copyright (C) 1990-2020 Free Software Foundation, Inc.
252b5132 RH	3	Written by Steve Chamberlain of Cygnus Support.
252b5132 RH	4
cd123cb7 NC	5	This file is part of BFD, the Binary File Descriptor library.
	6
	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 3 of the License, or
	10	(at your option) any later version.
	11
	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.
	16
	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., 51 Franklin Street - Fifth Floor, Boston,
	20	MA 02110-1301, USA. */
252b5132	21
252b5132	22	#include "sysdep.h"
3db64b00	23	#include "bfd.h"
252b5132 RH	24	#include "libbfd.h"
252b5132 RH	25
e92d460e	26	static const bfd_arch_info_type *mips_compatible
9719ad41	27	(const bfd_arch_info_type , const bfd_arch_info_type );
e92d460e	28
c119f9b8 AM	29	/* The default routine tests bits_per_word, which is wrong on mips as
	30	mips word size doesn't correlate with reloc size. */
	31
e92d460e	32	static const bfd_arch_info_type *
9719ad41	33	mips_compatible (const bfd_arch_info_type a, const bfd_arch_info_type b)
c119f9b8 AM	34	{
	35	if (a->arch != b->arch)
	36	return NULL;
	37
6dd14845 TS	38	/* Machine compatibility is checked in
6dd14845 TS	39	_bfd_mips_elf_merge_private_bfd_data. */
c119f9b8 AM	40
	41	return a;
	42	}
	43
252b5132 RH	44	#define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT) \
252b5132 RH	45	{ \
aebcfb76 NC	46	BITS_WORD, /* Bits in a word. */ \
	47	BITS_ADDR, /* Bits in an address. */ \
	48	8, /* Bits in a byte. */ \
252b5132 RH	49	bfd_arch_mips, \
	50	NUMBER, \
	51	"mips", \
	52	PRINT, \
	53	3, \
	54	DEFAULT, \
830629ab	55	mips_compatible, \
252b5132	56	bfd_default_scan, \
b7761f11	57	bfd_arch_default_fill, \
252b5132	58	NEXT, \
aebcfb76	59	0 /* Maximum offset of a reloc from the start of an insn. */ \
252b5132 RH	60	}
252b5132 RH	61
e7af610e NC	62	enum
	63	{
	64	I_mips3000,
	65	I_mips3900,
	66	I_mips4000,
	67	I_mips4010,
	68	I_mips4100,
	69	I_mips4111,
00707a0e	70	I_mips4120,
e7af610e NC	71	I_mips4300,
	72	I_mips4400,
	73	I_mips4600,
	74	I_mips4650,
	75	I_mips5000,
00707a0e RS	76	I_mips5400,
00707a0e RS	77	I_mips5500,
e407c74b	78	I_mips5900,
e7af610e	79	I_mips6000,
5a7ea749	80	I_mips7000,
e7af610e	81	I_mips8000,
0d2e43ed	82	I_mips9000,
e7af610e	83	I_mips10000,
d1cf510e	84	I_mips12000,
3aa3176b TS	85	I_mips14000,
3aa3176b TS	86	I_mips16000,
e7af610e	87	I_mips16,
84ea6cf2	88	I_mips5,
a1cd6a8f	89	I_mipsisa32,
af7ee8bf	90	I_mipsisa32r2,
ae52f483 AB	91	I_mipsisa32r3,
ae52f483 AB	92	I_mipsisa32r5,
7361da2c	93	I_mipsisa32r6,
a1cd6a8f	94	I_mipsisa64,
5f74bc13	95	I_mipsisa64r2,
ae52f483 AB	96	I_mipsisa64r3,
ae52f483 AB	97	I_mipsisa64r5,
7361da2c	98	I_mipsisa64r6,
c6c98b38	99	I_sb1,
350cc38d	100	I_loongson_2e,
6f179bd0	101	I_loongson_2f,
ac8cb70f	102	I_gs464,
bd782c07	103	I_gs464e,
9108bc33	104	I_gs264e,
52b6b6b9	105	I_mipsocteon,
dd6a37e7	106	I_mipsocteonp,
432233b3	107	I_mipsocteon2,
2c629856	108	I_mipsocteon3,
df58fc94	109	I_xlr,
38bf472a	110	I_interaptiv_mr2,
df58fc94	111	I_micromips
252b5132 RH	112	};
252b5132 RH	113
e7af610e	114	#define NN(index) (&arch_info_struct[(index) + 1])
252b5132	115
71f6b586	116	static const bfd_arch_info_type arch_info_struct[] =
252b5132	117	{
07d6d2b8 AM	118	N (32, 32, bfd_mach_mips3000, "mips:3000", FALSE, NN(I_mips3000)),
	119	N (32, 32, bfd_mach_mips3900, "mips:3900", FALSE, NN(I_mips3900)),
	120	N (64, 64, bfd_mach_mips4000, "mips:4000", FALSE, NN(I_mips4000)),
	121	N (32, 32, bfd_mach_mips4010, "mips:4010", FALSE, NN(I_mips4010)),
	122	N (64, 64, bfd_mach_mips4100, "mips:4100", FALSE, NN(I_mips4100)),
	123	N (64, 64, bfd_mach_mips4111, "mips:4111", FALSE, NN(I_mips4111)),
	124	N (64, 64, bfd_mach_mips4120, "mips:4120", FALSE, NN(I_mips4120)),
	125	N (64, 64, bfd_mach_mips4300, "mips:4300", FALSE, NN(I_mips4300)),
	126	N (64, 64, bfd_mach_mips4400, "mips:4400", FALSE, NN(I_mips4400)),
	127	N (64, 64, bfd_mach_mips4600, "mips:4600", FALSE, NN(I_mips4600)),
	128	N (64, 64, bfd_mach_mips4650, "mips:4650", FALSE, NN(I_mips4650)),
	129	N (64, 64, bfd_mach_mips5000, "mips:5000", FALSE, NN(I_mips5000)),
	130	N (64, 64, bfd_mach_mips5400, "mips:5400", FALSE, NN(I_mips5400)),
	131	N (64, 64, bfd_mach_mips5500, "mips:5500", FALSE, NN(I_mips5500)),
	132	N (64, 32, bfd_mach_mips5900, "mips:5900", FALSE, NN(I_mips5900)),
	133	N (32, 32, bfd_mach_mips6000, "mips:6000", FALSE, NN(I_mips6000)),
	134	N (64, 64, bfd_mach_mips7000, "mips:7000", FALSE, NN(I_mips7000)),
	135	N (64, 64, bfd_mach_mips8000, "mips:8000", FALSE, NN(I_mips8000)),
	136	N (64, 64, bfd_mach_mips9000, "mips:9000", FALSE, NN(I_mips9000)),
	137	N (64, 64, bfd_mach_mips10000,"mips:10000", FALSE, NN(I_mips10000)),
	138	N (64, 64, bfd_mach_mips12000,"mips:12000", FALSE, NN(I_mips12000)),
	139	N (64, 64, bfd_mach_mips14000,"mips:14000", FALSE, NN(I_mips14000)),
	140	N (64, 64, bfd_mach_mips16000,"mips:16000", FALSE, NN(I_mips16000)),
	141	N (64, 64, bfd_mach_mips16, "mips:16", FALSE, NN(I_mips16)),
	142	N (64, 64, bfd_mach_mips5, "mips:mips5", FALSE, NN(I_mips5)),
	143	N (32, 32, bfd_mach_mipsisa32, "mips:isa32", FALSE, NN(I_mipsisa32)),
af7ee8bf	144	N (32, 32, bfd_mach_mipsisa32r2,"mips:isa32r2", FALSE, NN(I_mipsisa32r2)),
ae52f483 AB	145	N (32, 32, bfd_mach_mipsisa32r3,"mips:isa32r3", FALSE, NN(I_mipsisa32r3)),
ae52f483 AB	146	N (32, 32, bfd_mach_mipsisa32r5,"mips:isa32r5", FALSE, NN(I_mipsisa32r5)),
7361da2c	147	N (32, 32, bfd_mach_mipsisa32r6,"mips:isa32r6", FALSE, NN(I_mipsisa32r6)),
07d6d2b8	148	N (64, 64, bfd_mach_mipsisa64, "mips:isa64", FALSE, NN(I_mipsisa64)),
5f74bc13	149	N (64, 64, bfd_mach_mipsisa64r2,"mips:isa64r2", FALSE, NN(I_mipsisa64r2)),
ae52f483 AB	150	N (64, 64, bfd_mach_mipsisa64r3,"mips:isa64r3", FALSE, NN(I_mipsisa64r3)),
ae52f483 AB	151	N (64, 64, bfd_mach_mipsisa64r5,"mips:isa64r5", FALSE, NN(I_mipsisa64r5)),
7361da2c	152	N (64, 64, bfd_mach_mipsisa64r6,"mips:isa64r6", FALSE, NN(I_mipsisa64r6)),
07d6d2b8	153	N (64, 64, bfd_mach_mips_sb1, "mips:sb1", FALSE, NN(I_sb1)),
aebcfb76 NC	154	N (64, 64, bfd_mach_mips_loongson_2e, "mips:loongson_2e", FALSE, NN(I_loongson_2e)),
aebcfb76 NC	155	N (64, 64, bfd_mach_mips_loongson_2f, "mips:loongson_2f", FALSE, NN(I_loongson_2f)),
ac8cb70f	156	N (64, 64, bfd_mach_mips_gs464, "mips:gs464", FALSE, NN(I_gs464)),
aebcfb76 NC	157	N (64, 64, bfd_mach_mips_gs464e, "mips:gs464e", FALSE, NN(I_gs464e)),
aebcfb76 NC	158	N (64, 64, bfd_mach_mips_gs264e, "mips:gs264e", FALSE, NN(I_gs264e)),
52b6b6b9	159	N (64, 64, bfd_mach_mips_octeon,"mips:octeon", FALSE, NN(I_mipsocteon)),
aebcfb76 NC	160	N (64, 64, bfd_mach_mips_octeonp,"mips:octeon+", FALSE, NN(I_mipsocteonp)),
	161	N (64, 64, bfd_mach_mips_octeon2,"mips:octeon2", FALSE, NN(I_mipsocteon2)),
	162	N (64, 64, bfd_mach_mips_octeon3, "mips:octeon3", FALSE, NN(I_mipsocteon3)),
	163	N (64, 64, bfd_mach_mips_xlr, "mips:xlr", FALSE, NN(I_xlr)),
38bf472a MR	164	N (32, 32, bfd_mach_mips_interaptiv_mr2, "mips:interaptiv-mr2", FALSE,
38bf472a MR	165	NN(I_interaptiv_mr2)),
aebcfb76	166	N (64, 64, bfd_mach_mips_micromips, "mips:micromips", FALSE, NULL)
252b5132 RH	167	};
	168
	169	/* The default architecture is mips:3000, but with a machine number of
	170	zero. This lets the linker distinguish between a default setting
	171	of mips, and an explicit setting of mips:3000. */
	172
	173	const bfd_arch_info_type bfd_mips_arch =
b34976b6	174	N (32, 32, 0, "mips", TRUE, &arch_info_struct[0]);