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

/* BFD library support routines for the Renesas / SuperH SH architecture.
   Copyright (C) 1993-2017 Free Software Foundation, Inc.
   Hacked 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"
#include "../opcodes/sh-opc.h"

#define SH_NEXT                            arch_info_struct + 0
#define SH2_NEXT                           arch_info_struct + 1
#define SH2E_NEXT                          arch_info_struct + 2
#define SH_DSP_NEXT                        arch_info_struct + 3
#define SH3_NEXT                           arch_info_struct + 4
#define SH3_NOMMU_NEXT                     arch_info_struct + 5
#define SH3_DSP_NEXT                       arch_info_struct + 6
#define SH3E_NEXT                          arch_info_struct + 7
#define SH4_NEXT                           arch_info_struct + 8
#define SH4A_NEXT                          arch_info_struct + 9
#define SH4AL_DSP_NEXT                     arch_info_struct + 10
#define SH4_NOFPU_NEXT                     arch_info_struct + 11
#define SH4_NOMMU_NOFPU_NEXT               arch_info_struct + 12
#define SH4A_NOFPU_NEXT                    arch_info_struct + 13
#define SH2A_NEXT                          arch_info_struct + 14
#define SH2A_NOFPU_NEXT                    arch_info_struct + 15
#define SH2A_NOFPU_OR_SH4_NOMMU_NOFPU_NEXT arch_info_struct + 16
#define SH2A_NOFPU_OR_SH3_NOMMU_NEXT       arch_info_struct + 17
#define SH2A_OR_SH4_NEXT                   arch_info_struct + 18
#define SH2A_OR_SH3E_NEXT                  arch_info_struct + 19
#define SH64_NEXT                          NULL

static const bfd_arch_info_type arch_info_struct[] =
{
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh2,
    "sh",			/* Architecture name.  */
    "sh2",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH2_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh2e,
    "sh",			/* Architecture name.  */
    "sh2e",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH2E_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh_dsp,
    "sh",			/* Architecture name.   */
    "sh-dsp",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH_DSP_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh3,
    "sh",			/* Architecture name.   */
    "sh3",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH3_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh3_nommu,
    "sh",			/* Architecture name.   */
    "sh3-nommu",		/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH3_NOMMU_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh3_dsp,
    "sh",			/* Architecture name.   */
    "sh3-dsp",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH3_DSP_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh3e,
    "sh",			/* Architecture name.   */
    "sh3e",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH3E_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh4,
    "sh",			/* Architecture name.   */
    "sh4",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH4_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh4a,
    "sh",			/* Architecture name.   */
    "sh4a",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH4A_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh4al_dsp,
    "sh",			/* Architecture name.   */
    "sh4al-dsp",		/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH4AL_DSP_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh4_nofpu,
    "sh",			/* Architecture name.   */
    "sh4-nofpu",		/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH4_NOFPU_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh4_nommu_nofpu,
    "sh",			/* Architecture name.   */
    "sh4-nommu-nofpu",		/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH4_NOMMU_NOFPU_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh4a_nofpu,
    "sh",			/* Architecture name.   */
    "sh4a-nofpu",		/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH4A_NOFPU_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh2a,
    "sh",			/* Architecture name.  */
    "sh2a",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH2A_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh2a_nofpu,
    "sh",			/* Architecture name.  */
    "sh2a-nofpu",		/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH2A_NOFPU_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu,
    "sh",			/* Architecture name.  */
    "sh2a-nofpu-or-sh4-nommu-nofpu",		/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH2A_NOFPU_OR_SH4_NOMMU_NOFPU_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh2a_nofpu_or_sh3_nommu,
    "sh",			/* Architecture name. .  */
    "sh2a-nofpu-or-sh3-nommu",	/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH2A_NOFPU_OR_SH3_NOMMU_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh2a_or_sh4,
    "sh",			/* Architecture name.  */
    "sh2a-or-sh4",		/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH2A_OR_SH4_NEXT
  },
  {
    32,				/* 32 bits in a word.  */
    32,				/* 32 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh2a_or_sh3e,
    "sh",			/* Architecture name.  */
    "sh2a-or-sh3e",		/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH2A_OR_SH3E_NEXT
  },
  {
    64,				/* 64 bits in a word.  */
    64,				/* 64 bits in an address.  */
    8,				/* 8 bits in a byte.  */
    bfd_arch_sh,
    bfd_mach_sh5,
    "sh",			/* Architecture name.   */
    "sh5",			/* Machine name.  */
    1,
    FALSE,			/* Not the default.  */
    bfd_default_compatible,
    bfd_default_scan,
    bfd_arch_default_fill,
    SH64_NEXT
  },
};

const bfd_arch_info_type bfd_sh_arch =
{
  32,				/* 32 bits in a word.  */
  32,				/* 32 bits in an address.  */
  8,				/* 8 bits in a byte.  */
  bfd_arch_sh,
  bfd_mach_sh,
  "sh",				/* Architecture name.   */
  "sh",				/* Machine name.  */
  1,
  TRUE,				/* The default machine.  */
  bfd_default_compatible,
  bfd_default_scan,
  bfd_arch_default_fill,
  SH_NEXT
};


/* This table defines the mappings from the BFD internal numbering
   system to the opcodes internal flags system.
   It is used by the functions defined below.
   The prototypes for these SH specific functions are found in
   sh-opc.h .  */

static struct { unsigned long bfd_mach, arch, arch_up; } bfd_to_arch_table[] =
{
  { bfd_mach_sh,              arch_sh1,             arch_sh_up },
  { bfd_mach_sh2,             arch_sh2,             arch_sh2_up },
  { bfd_mach_sh2e,            arch_sh2e,            arch_sh2e_up },
  { bfd_mach_sh_dsp,          arch_sh_dsp,          arch_sh_dsp_up },
  { bfd_mach_sh2a,            arch_sh2a,            arch_sh2a_up },
  { bfd_mach_sh2a_nofpu,      arch_sh2a_nofpu,      arch_sh2a_nofpu_up },

  { bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu,         arch_sh2a_nofpu_or_sh4_nommu_nofpu,   arch_sh2a_nofpu_or_sh4_nommu_nofpu_up },
  { bfd_mach_sh2a_nofpu_or_sh3_nommu,               arch_sh2a_nofpu_or_sh3_nommu,         arch_sh2a_nofpu_or_sh3_nommu_up },
  { bfd_mach_sh2a_or_sh4,     arch_sh2a_or_sh4,     arch_sh2a_or_sh4_up },
  { bfd_mach_sh2a_or_sh3e,    arch_sh2a_or_sh3e,    arch_sh2a_or_sh3e_up },

  { bfd_mach_sh3,             arch_sh3,             arch_sh3_up },
  { bfd_mach_sh3_nommu,       arch_sh3_nommu,       arch_sh3_nommu_up },
  { bfd_mach_sh3_dsp,         arch_sh3_dsp,         arch_sh3_dsp_up },
  { bfd_mach_sh3e,            arch_sh3e,            arch_sh3e_up },
  { bfd_mach_sh4,             arch_sh4,             arch_sh4_up },
  { bfd_mach_sh4a,            arch_sh4a,            arch_sh4a_up },
  { bfd_mach_sh4al_dsp,       arch_sh4al_dsp,       arch_sh4al_dsp_up },
  { bfd_mach_sh4_nofpu,       arch_sh4_nofpu,       arch_sh4_nofpu_up },
  { bfd_mach_sh4_nommu_nofpu, arch_sh4_nommu_nofpu, arch_sh4_nommu_nofpu_up },
  { bfd_mach_sh4a_nofpu,      arch_sh4a_nofpu,      arch_sh4a_nofpu_up },
  { 0, 0, 0 }   /* Terminator.  */
};


/* Convert a BFD mach number into the right opcodes arch flags
   using the table above.  */

unsigned int
sh_get_arch_from_bfd_mach (unsigned long mach)
{
  int i = 0;

  while (bfd_to_arch_table[i].bfd_mach != 0)
    if (bfd_to_arch_table[i].bfd_mach == mach)
      return bfd_to_arch_table[i].arch;
    else
      i++;

  /* Machine not found.   */
  BFD_FAIL();

  return SH_ARCH_UNKNOWN_ARCH;
}


/* Convert a BFD mach number into a set of opcodes arch flags
   describing all the compatible architectures (i.e. arch_up)
   using the table above.  */

unsigned int
sh_get_arch_up_from_bfd_mach (unsigned long mach)
{
  int i = 0;

  while (bfd_to_arch_table[i].bfd_mach != 0)
    if (bfd_to_arch_table[i].bfd_mach == mach)
      return bfd_to_arch_table[i].arch_up;
    else
      i++;

  /* Machine not found.  */
  BFD_FAIL();

  return SH_ARCH_UNKNOWN_ARCH;
}


/* Convert an arbitary arch_set - not necessarily corresponding
   directly to anything in the table above - to the most generic
   architecture which supports all the required features, and
   return the corresponding BFD mach.  */

unsigned long
sh_get_bfd_mach_from_arch_set (unsigned int arch_set)
{
  unsigned long result = 0;
  unsigned int best = ~arch_set;
  unsigned int co_mask = ~0;
  int i = 0;

  /* If arch_set permits variants with no coprocessor then do not allow
     the other irrelevant co-processor bits to influence the choice:
       e.g. if dsp is disallowed by arch_set, then the algorithm would
       prefer fpu variants over nofpu variants because they also disallow
       dsp - even though the nofpu would be the most correct choice.
     This assumes that EVERY fpu/dsp variant has a no-coprocessor
     counter-part, or their non-fpu/dsp instructions do not have the
     no co-processor bit set.  */
  if (arch_set & arch_sh_no_co)
    co_mask = ~(arch_sh_sp_fpu | arch_sh_dp_fpu | arch_sh_has_dsp);

  while (bfd_to_arch_table[i].bfd_mach != 0)
    {
      unsigned int try = bfd_to_arch_table[i].arch_up & co_mask;

      /* Conceptually: Find the architecture with the least number
	 of extra features or, if they have the same number, then
	 the greatest number of required features.  Disregard
         architectures where the required features alone do
	 not describe a valid architecture.  */
      if (((try & ~arch_set) < (best & ~arch_set)
	   || ((try & ~arch_set) == (best & ~arch_set)
	       && (~try & arch_set) < (~best & arch_set)))
	  && SH_MERGE_ARCH_SET_VALID (try, arch_set))
	{
	  result = bfd_to_arch_table[i].bfd_mach;
	  best = try;
	}

      i++;
    }

  /* This might happen if a new variant is added to sh-opc.h
     but no corresponding entry is added to the table above.  */
  BFD_ASSERT (result != 0);

  return result;
}
Commit	Line	Data
ef230218	1	/* BFD library support routines for the Renesas / SuperH SH architecture.
2571583a	2	Copyright (C) 1993-2017 Free Software Foundation, Inc.
252b5132 RH	3	Hacked by Steve Chamberlain of Cygnus Support.
252b5132 RH	4
5177500f	5	This file is part of BFD, the Binary File Descriptor library.
252b5132	6
5177500f NC	7	This program is free software; you can redistribute it and/or modify
5177500f NC	8	it under the terms of the GNU General Public License as published by
cd123cb7	9	the Free Software Foundation; either version 3 of the License, or
5177500f	10	(at your option) any later version.
252b5132	11
5177500f NC	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.
252b5132	16
5177500f NC	17	You should have received a copy of the GNU General Public License
5177500f NC	18	along with this program; if not, write to the Free Software
cd123cb7 NC	19	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
cd123cb7 NC	20	MA 02110-1301, USA. */
252b5132	21
252b5132	22	#include "sysdep.h"
3db64b00	23	#include "bfd.h"
252b5132	24	#include "libbfd.h"
f6f9408f	25	#include "../opcodes/sh-opc.h"
252b5132	26
e38bc3b5 NC	27	#define SH_NEXT arch_info_struct + 0
	28	#define SH2_NEXT arch_info_struct + 1
	29	#define SH2E_NEXT arch_info_struct + 2
	30	#define SH_DSP_NEXT arch_info_struct + 3
	31	#define SH3_NEXT arch_info_struct + 4
	32	#define SH3_NOMMU_NEXT arch_info_struct + 5
	33	#define SH3_DSP_NEXT arch_info_struct + 6
	34	#define SH3E_NEXT arch_info_struct + 7
	35	#define SH4_NEXT arch_info_struct + 8
	36	#define SH4A_NEXT arch_info_struct + 9
	37	#define SH4AL_DSP_NEXT arch_info_struct + 10
	38	#define SH4_NOFPU_NEXT arch_info_struct + 11
	39	#define SH4_NOMMU_NOFPU_NEXT arch_info_struct + 12
	40	#define SH4A_NOFPU_NEXT arch_info_struct + 13
	41	#define SH2A_NEXT arch_info_struct + 14
	42	#define SH2A_NOFPU_NEXT arch_info_struct + 15
	43	#define SH2A_NOFPU_OR_SH4_NOMMU_NOFPU_NEXT arch_info_struct + 16
	44	#define SH2A_NOFPU_OR_SH3_NOMMU_NEXT arch_info_struct + 17
	45	#define SH2A_OR_SH4_NEXT arch_info_struct + 18
	46	#define SH2A_OR_SH3E_NEXT arch_info_struct + 19
	47	#define SH64_NEXT NULL
252b5132	48
71f6b586	49	static const bfd_arch_info_type arch_info_struct[] =
252b5132	50	{
d4845d57	51	{
e38bc3b5 NC	52	32, /* 32 bits in a word. */
	53	32, /* 32 bits in an address. */
	54	8, /* 8 bits in a byte. */
d4845d57 JR	55	bfd_arch_sh,
d4845d57 JR	56	bfd_mach_sh2,
e38bc3b5 NC	57	"sh", /* Architecture name. */
e38bc3b5 NC	58	"sh2", /* Machine name. */
d4845d57	59	1,
e38bc3b5	60	FALSE, /* Not the default. */
d4845d57	61	bfd_default_compatible,
a44d7f9c	62	bfd_default_scan,
b7761f11	63	bfd_arch_default_fill,
d4845d57 JR	64	SH2_NEXT
d4845d57 JR	65	},
5177500f	66	{
e38bc3b5 NC	67	32, /* 32 bits in a word. */
	68	32, /* 32 bits in an address. */
	69	8, /* 8 bits in a byte. */
5177500f NC	70	bfd_arch_sh,
5177500f NC	71	bfd_mach_sh2e,
e38bc3b5 NC	72	"sh", /* Architecture name. */
e38bc3b5 NC	73	"sh2e", /* Machine name. */
5177500f	74	1,
e38bc3b5	75	FALSE, /* Not the default. */
5177500f NC	76	bfd_default_compatible,
5177500f NC	77	bfd_default_scan,
b7761f11	78	bfd_arch_default_fill,
5177500f NC	79	SH2E_NEXT
5177500f NC	80	},
d4845d57	81	{
e38bc3b5 NC	82	32, /* 32 bits in a word. */
	83	32, /* 32 bits in an address. */
	84	8, /* 8 bits in a byte. */
d4845d57 JR	85	bfd_arch_sh,
d4845d57 JR	86	bfd_mach_sh_dsp,
e38bc3b5 NC	87	"sh", /* Architecture name. */
e38bc3b5 NC	88	"sh-dsp", /* Machine name. */
d4845d57	89	1,
e38bc3b5	90	FALSE, /* Not the default. */
d4845d57	91	bfd_default_compatible,
a44d7f9c	92	bfd_default_scan,
b7761f11	93	bfd_arch_default_fill,
d4845d57 JR	94	SH_DSP_NEXT
d4845d57 JR	95	},
252b5132	96	{
e38bc3b5 NC	97	32, /* 32 bits in a word. */
	98	32, /* 32 bits in an address. */
	99	8, /* 8 bits in a byte. */
252b5132 RH	100	bfd_arch_sh,
252b5132 RH	101	bfd_mach_sh3,
e38bc3b5 NC	102	"sh", /* Architecture name. */
e38bc3b5 NC	103	"sh3", /* Machine name. */
252b5132	104	1,
e38bc3b5	105	FALSE, /* Not the default. */
252b5132	106	bfd_default_compatible,
a44d7f9c	107	bfd_default_scan,
b7761f11	108	bfd_arch_default_fill,
252b5132 RH	109	SH3_NEXT
252b5132 RH	110	},
f6f9408f	111	{
e38bc3b5 NC	112	32, /* 32 bits in a word. */
	113	32, /* 32 bits in an address. */
	114	8, /* 8 bits in a byte. */
f6f9408f JR	115	bfd_arch_sh,
f6f9408f JR	116	bfd_mach_sh3_nommu,
e38bc3b5 NC	117	"sh", /* Architecture name. */
e38bc3b5 NC	118	"sh3-nommu", /* Machine name. */
f6f9408f	119	1,
e38bc3b5	120	FALSE, /* Not the default. */
f6f9408f JR	121	bfd_default_compatible,
f6f9408f JR	122	bfd_default_scan,
b7761f11	123	bfd_arch_default_fill,
f6f9408f JR	124	SH3_NOMMU_NEXT
f6f9408f JR	125	},
d4845d57	126	{
e38bc3b5 NC	127	32, /* 32 bits in a word. */
	128	32, /* 32 bits in an address. */
	129	8, /* 8 bits in a byte. */
d4845d57 JR	130	bfd_arch_sh,
d4845d57 JR	131	bfd_mach_sh3_dsp,
e38bc3b5 NC	132	"sh", /* Architecture name. */
e38bc3b5 NC	133	"sh3-dsp", /* Machine name. */
d4845d57	134	1,
e38bc3b5	135	FALSE, /* Not the default. */
d4845d57	136	bfd_default_compatible,
a44d7f9c	137	bfd_default_scan,
b7761f11	138	bfd_arch_default_fill,
d4845d57 JR	139	SH3_DSP_NEXT
d4845d57 JR	140	},
252b5132	141	{
e38bc3b5 NC	142	32, /* 32 bits in a word. */
	143	32, /* 32 bits in an address. */
	144	8, /* 8 bits in a byte. */
252b5132 RH	145	bfd_arch_sh,
252b5132 RH	146	bfd_mach_sh3e,
e38bc3b5 NC	147	"sh", /* Architecture name. */
e38bc3b5 NC	148	"sh3e", /* Machine name. */
252b5132	149	1,
e38bc3b5	150	FALSE, /* Not the default. */
252b5132	151	bfd_default_compatible,
a44d7f9c	152	bfd_default_scan,
b7761f11	153	bfd_arch_default_fill,
252b5132 RH	154	SH3E_NEXT
252b5132 RH	155	},
d4845d57	156	{
e38bc3b5 NC	157	32, /* 32 bits in a word. */
	158	32, /* 32 bits in an address. */
	159	8, /* 8 bits in a byte. */
d4845d57 JR	160	bfd_arch_sh,
d4845d57 JR	161	bfd_mach_sh4,
e38bc3b5 NC	162	"sh", /* Architecture name. */
e38bc3b5 NC	163	"sh4", /* Machine name. */
d4845d57	164	1,
e38bc3b5	165	FALSE, /* Not the default. */
d4845d57	166	bfd_default_compatible,
a44d7f9c	167	bfd_default_scan,
b7761f11	168	bfd_arch_default_fill,
d4845d57 JR	169	SH4_NEXT
d4845d57 JR	170	},
af9ba621	171	{
e38bc3b5 NC	172	32, /* 32 bits in a word. */
	173	32, /* 32 bits in an address. */
	174	8, /* 8 bits in a byte. */
af9ba621 CV	175	bfd_arch_sh,
af9ba621 CV	176	bfd_mach_sh4a,
e38bc3b5 NC	177	"sh", /* Architecture name. */
e38bc3b5 NC	178	"sh4a", /* Machine name. */
af9ba621	179	1,
e38bc3b5	180	FALSE, /* Not the default. */
af9ba621 CV	181	bfd_default_compatible,
af9ba621 CV	182	bfd_default_scan,
b7761f11	183	bfd_arch_default_fill,
af9ba621 CV	184	SH4A_NEXT
	185	},
	186	{
e38bc3b5 NC	187	32, /* 32 bits in a word. */
	188	32, /* 32 bits in an address. */
	189	8, /* 8 bits in a byte. */
af9ba621 CV	190	bfd_arch_sh,
af9ba621 CV	191	bfd_mach_sh4al_dsp,
e38bc3b5 NC	192	"sh", /* Architecture name. */
e38bc3b5 NC	193	"sh4al-dsp", /* Machine name. */
af9ba621	194	1,
e38bc3b5	195	FALSE, /* Not the default. */
af9ba621 CV	196	bfd_default_compatible,
af9ba621 CV	197	bfd_default_scan,
b7761f11	198	bfd_arch_default_fill,
af9ba621 CV	199	SH4AL_DSP_NEXT
	200	},
	201	{
e38bc3b5 NC	202	32, /* 32 bits in a word. */
	203	32, /* 32 bits in an address. */
	204	8, /* 8 bits in a byte. */
af9ba621 CV	205	bfd_arch_sh,
af9ba621 CV	206	bfd_mach_sh4_nofpu,
e38bc3b5 NC	207	"sh", /* Architecture name. */
e38bc3b5 NC	208	"sh4-nofpu", /* Machine name. */
af9ba621	209	1,
e38bc3b5	210	FALSE, /* Not the default. */
af9ba621 CV	211	bfd_default_compatible,
af9ba621 CV	212	bfd_default_scan,
b7761f11	213	bfd_arch_default_fill,
af9ba621 CV	214	SH4_NOFPU_NEXT
af9ba621 CV	215	},
ae51a426	216	{
e38bc3b5 NC	217	32, /* 32 bits in a word. */
	218	32, /* 32 bits in an address. */
	219	8, /* 8 bits in a byte. */
ae51a426 JR	220	bfd_arch_sh,
ae51a426 JR	221	bfd_mach_sh4_nommu_nofpu,
e38bc3b5 NC	222	"sh", /* Architecture name. */
e38bc3b5 NC	223	"sh4-nommu-nofpu", /* Machine name. */
ae51a426	224	1,
e38bc3b5	225	FALSE, /* Not the default. */
ae51a426 JR	226	bfd_default_compatible,
ae51a426 JR	227	bfd_default_scan,
b7761f11	228	bfd_arch_default_fill,
ae51a426 JR	229	SH4_NOMMU_NOFPU_NEXT
ae51a426 JR	230	},
af9ba621	231	{
e38bc3b5 NC	232	32, /* 32 bits in a word. */
	233	32, /* 32 bits in an address. */
	234	8, /* 8 bits in a byte. */
af9ba621 CV	235	bfd_arch_sh,
af9ba621 CV	236	bfd_mach_sh4a_nofpu,
e38bc3b5 NC	237	"sh", /* Architecture name. */
e38bc3b5 NC	238	"sh4a-nofpu", /* Machine name. */
af9ba621	239	1,
e38bc3b5	240	FALSE, /* Not the default. */
af9ba621 CV	241	bfd_default_compatible,
af9ba621 CV	242	bfd_default_scan,
b7761f11	243	bfd_arch_default_fill,
af9ba621 CV	244	SH4A_NOFPU_NEXT
af9ba621 CV	245	},
1d70c7fb AO	246	{
	247	32, /* 32 bits in a word. */
	248	32, /* 32 bits in an address. */
	249	8, /* 8 bits in a byte. */
	250	bfd_arch_sh,
	251	bfd_mach_sh2a,
e38bc3b5 NC	252	"sh", /* Architecture name. */
e38bc3b5 NC	253	"sh2a", /* Machine name. */
1d70c7fb AO	254	1,
	255	FALSE, /* Not the default. */
	256	bfd_default_compatible,
	257	bfd_default_scan,
b7761f11	258	bfd_arch_default_fill,
1d70c7fb AO	259	SH2A_NEXT
	260	},
	261	{
	262	32, /* 32 bits in a word. */
	263	32, /* 32 bits in an address. */
	264	8, /* 8 bits in a byte. */
	265	bfd_arch_sh,
	266	bfd_mach_sh2a_nofpu,
e38bc3b5 NC	267	"sh", /* Architecture name. */
e38bc3b5 NC	268	"sh2a-nofpu", /* Machine name. */
1d70c7fb AO	269	1,
	270	FALSE, /* Not the default. */
	271	bfd_default_compatible,
	272	bfd_default_scan,
b7761f11	273	bfd_arch_default_fill,
1d70c7fb AO	274	SH2A_NOFPU_NEXT
1d70c7fb AO	275	},
fbca6ad9	276	{
e38bc3b5 NC	277	32, /* 32 bits in a word. */
	278	32, /* 32 bits in an address. */
	279	8, /* 8 bits in a byte. */
	280	bfd_arch_sh,
	281	bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu,
	282	"sh", /* Architecture name. */
	283	"sh2a-nofpu-or-sh4-nommu-nofpu", /* Machine name. */
	284	1,
	285	FALSE, /* Not the default. */
	286	bfd_default_compatible,
	287	bfd_default_scan,
b7761f11	288	bfd_arch_default_fill,
e38bc3b5 NC	289	SH2A_NOFPU_OR_SH4_NOMMU_NOFPU_NEXT
	290	},
	291	{
	292	32, /* 32 bits in a word. */
	293	32, /* 32 bits in an address. */
	294	8, /* 8 bits in a byte. */
	295	bfd_arch_sh,
	296	bfd_mach_sh2a_nofpu_or_sh3_nommu,
	297	"sh", /* Architecture name. . */
	298	"sh2a-nofpu-or-sh3-nommu", /* Machine name. */
	299	1,
	300	FALSE, /* Not the default. */
	301	bfd_default_compatible,
	302	bfd_default_scan,
b7761f11	303	bfd_arch_default_fill,
e38bc3b5 NC	304	SH2A_NOFPU_OR_SH3_NOMMU_NEXT
	305	},
	306	{
	307	32, /* 32 bits in a word. */
	308	32, /* 32 bits in an address. */
	309	8, /* 8 bits in a byte. */
	310	bfd_arch_sh,
	311	bfd_mach_sh2a_or_sh4,
	312	"sh", /* Architecture name. */
	313	"sh2a-or-sh4", /* Machine name. */
	314	1,
	315	FALSE, /* Not the default. */
	316	bfd_default_compatible,
	317	bfd_default_scan,
b7761f11	318	bfd_arch_default_fill,
e38bc3b5 NC	319	SH2A_OR_SH4_NEXT
	320	},
	321	{
	322	32, /* 32 bits in a word. */
	323	32, /* 32 bits in an address. */
	324	8, /* 8 bits in a byte. */
	325	bfd_arch_sh,
	326	bfd_mach_sh2a_or_sh3e,
	327	"sh", /* Architecture name. */
	328	"sh2a-or-sh3e", /* Machine name. */
	329	1,
	330	FALSE, /* Not the default. */
	331	bfd_default_compatible,
	332	bfd_default_scan,
b7761f11	333	bfd_arch_default_fill,
e38bc3b5 NC	334	SH2A_OR_SH3E_NEXT
	335	},
	336	{
	337	64, /* 64 bits in a word. */
	338	64, /* 64 bits in an address. */
	339	8, /* 8 bits in a byte. */
fbca6ad9 AO	340	bfd_arch_sh,
fbca6ad9 AO	341	bfd_mach_sh5,
e38bc3b5 NC	342	"sh", /* Architecture name. */
e38bc3b5 NC	343	"sh5", /* Machine name. */
fbca6ad9	344	1,
e38bc3b5	345	FALSE, /* Not the default. */
fbca6ad9	346	bfd_default_compatible,
a44d7f9c	347	bfd_default_scan,
b7761f11	348	bfd_arch_default_fill,
fbca6ad9 AO	349	SH64_NEXT
fbca6ad9 AO	350	},
252b5132 RH	351	};
	352
	353	const bfd_arch_info_type bfd_sh_arch =
	354	{
e38bc3b5 NC	355	32, /* 32 bits in a word. */
	356	32, /* 32 bits in an address. */
	357	8, /* 8 bits in a byte. */
252b5132 RH	358	bfd_arch_sh,
252b5132 RH	359	bfd_mach_sh,
e38bc3b5 NC	360	"sh", /* Architecture name. */
e38bc3b5 NC	361	"sh", /* Machine name. */
252b5132	362	1,
e38bc3b5	363	TRUE, /* The default machine. */
252b5132	364	bfd_default_compatible,
a44d7f9c	365	bfd_default_scan,
b7761f11	366	bfd_arch_default_fill,
252b5132 RH	367	SH_NEXT
252b5132 RH	368	};
f6f9408f JR	369
	370
	371	/* This table defines the mappings from the BFD internal numbering
	372	system to the opcodes internal flags system.
	373	It is used by the functions defined below.
	374	The prototypes for these SH specific functions are found in
	375	sh-opc.h . */
	376
	377	static struct { unsigned long bfd_mach, arch, arch_up; } bfd_to_arch_table[] =
	378	{
e38bc3b5	379	{ bfd_mach_sh, arch_sh1, arch_sh_up },
f6f9408f JR	380	{ bfd_mach_sh2, arch_sh2, arch_sh2_up },
	381	{ bfd_mach_sh2e, arch_sh2e, arch_sh2e_up },
	382	{ bfd_mach_sh_dsp, arch_sh_dsp, arch_sh_dsp_up },
1d70c7fb AO	383	{ bfd_mach_sh2a, arch_sh2a, arch_sh2a_up },
1d70c7fb AO	384	{ bfd_mach_sh2a_nofpu, arch_sh2a_nofpu, arch_sh2a_nofpu_up },
e38bc3b5 NC	385
	386	{ bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu, arch_sh2a_nofpu_or_sh4_nommu_nofpu, arch_sh2a_nofpu_or_sh4_nommu_nofpu_up },
	387	{ bfd_mach_sh2a_nofpu_or_sh3_nommu, arch_sh2a_nofpu_or_sh3_nommu, arch_sh2a_nofpu_or_sh3_nommu_up },
	388	{ bfd_mach_sh2a_or_sh4, arch_sh2a_or_sh4, arch_sh2a_or_sh4_up },
	389	{ bfd_mach_sh2a_or_sh3e, arch_sh2a_or_sh3e, arch_sh2a_or_sh3e_up },
68ffbac6	390
f6f9408f JR	391	{ bfd_mach_sh3, arch_sh3, arch_sh3_up },
	392	{ bfd_mach_sh3_nommu, arch_sh3_nommu, arch_sh3_nommu_up },
	393	{ bfd_mach_sh3_dsp, arch_sh3_dsp, arch_sh3_dsp_up },
	394	{ bfd_mach_sh3e, arch_sh3e, arch_sh3e_up },
	395	{ bfd_mach_sh4, arch_sh4, arch_sh4_up },
	396	{ bfd_mach_sh4a, arch_sh4a, arch_sh4a_up },
	397	{ bfd_mach_sh4al_dsp, arch_sh4al_dsp, arch_sh4al_dsp_up },
e38bc3b5	398	{ bfd_mach_sh4_nofpu, arch_sh4_nofpu, arch_sh4_nofpu_up },
f6f9408f	399	{ bfd_mach_sh4_nommu_nofpu, arch_sh4_nommu_nofpu, arch_sh4_nommu_nofpu_up },
e38bc3b5	400	{ bfd_mach_sh4a_nofpu, arch_sh4a_nofpu, arch_sh4a_nofpu_up },
f6f9408f JR	401	{ 0, 0, 0 } /* Terminator. */
	402	};
	403
	404
	405	/* Convert a BFD mach number into the right opcodes arch flags
	406	using the table above. */
	407
	408	unsigned int
	409	sh_get_arch_from_bfd_mach (unsigned long mach)
	410	{
	411	int i = 0;
e38bc3b5	412
f6f9408f JR	413	while (bfd_to_arch_table[i].bfd_mach != 0)
	414	if (bfd_to_arch_table[i].bfd_mach == mach)
	415	return bfd_to_arch_table[i].arch;
	416	else
	417	i++;
	418
e38bc3b5	419	/* Machine not found. */
f6f9408f JR	420	BFD_FAIL();
	421
	422	return SH_ARCH_UNKNOWN_ARCH;
	423	}
	424
	425
	426	/* Convert a BFD mach number into a set of opcodes arch flags
	427	describing all the compatible architectures (i.e. arch_up)
	428	using the table above. */
	429
	430	unsigned int
	431	sh_get_arch_up_from_bfd_mach (unsigned long mach)
	432	{
	433	int i = 0;
e38bc3b5	434
f6f9408f JR	435	while (bfd_to_arch_table[i].bfd_mach != 0)
	436	if (bfd_to_arch_table[i].bfd_mach == mach)
	437	return bfd_to_arch_table[i].arch_up;
	438	else
	439	i++;
	440
e38bc3b5	441	/* Machine not found. */
f6f9408f JR	442	BFD_FAIL();
	443
	444	return SH_ARCH_UNKNOWN_ARCH;
	445	}
	446
	447
	448	/* Convert an arbitary arch_set - not necessarily corresponding
	449	directly to anything in the table above - to the most generic
	450	architecture which supports all the required features, and
	451	return the corresponding BFD mach. */
	452
	453	unsigned long
	454	sh_get_bfd_mach_from_arch_set (unsigned int arch_set)
	455	{
	456	unsigned long result = 0;
	457	unsigned int best = ~arch_set;
	458	unsigned int co_mask = ~0;
	459	int i = 0;
	460
	461	/* If arch_set permits variants with no coprocessor then do not allow
	462	the other irrelevant co-processor bits to influence the choice:
	463	e.g. if dsp is disallowed by arch_set, then the algorithm would
	464	prefer fpu variants over nofpu variants because they also disallow
	465	dsp - even though the nofpu would be the most correct choice.
	466	This assumes that EVERY fpu/dsp variant has a no-coprocessor
	467	counter-part, or their non-fpu/dsp instructions do not have the
	468	no co-processor bit set. */
	469	if (arch_set & arch_sh_no_co)
	470	co_mask = ~(arch_sh_sp_fpu \| arch_sh_dp_fpu \| arch_sh_has_dsp);
	471
	472	while (bfd_to_arch_table[i].bfd_mach != 0)
	473	{
	474	unsigned int try = bfd_to_arch_table[i].arch_up & co_mask;
	475
	476	/* Conceptually: Find the architecture with the least number
	477	of extra features or, if they have the same number, then
	478	the greatest number of required features. Disregard
	479	architectures where the required features alone do
	480	not describe a valid architecture. */
	481	if (((try & ~arch_set) < (best & ~arch_set)
	482	\|\| ((try & ~arch_set) == (best & ~arch_set)
	483	&& (~try & arch_set) < (~best & arch_set)))
	484	&& SH_MERGE_ARCH_SET_VALID (try, arch_set))
	485	{
	486	result = bfd_to_arch_table[i].bfd_mach;
	487	best = try;
	488	}
	489
	490	i++;
	491	}
	492
	493	/* This might happen if a new variant is added to sh-opc.h
	494	but no corresponding entry is added to the table above. */
	495	BFD_ASSERT (result != 0);
	496
	497	return result;
	498	}