[thirdparty/binutils-gdb.git] / bfd / elf32-s12z.c

/* Freescale S12Z-specific support for 32-bit ELF
   Copyright (C) 1999-2019 Free Software Foundation, Inc.
   (Heavily copied from the D10V port by Martin Hunt (hunt@cygnus.com))

   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 "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"

#include "elf/s12z.h"

/* Relocation functions.  */
static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
  (bfd *, bfd_reloc_code_real_type);
static bfd_boolean s12z_info_to_howto_rel
  (bfd *, arelent *, Elf_Internal_Rela *);

static bfd_reloc_status_type
opru18_reloc (bfd *abfd, arelent *reloc_entry, struct bfd_symbol *symbol,
		    void *data, asection *input_section ATTRIBUTE_UNUSED,
		    bfd *output ATTRIBUTE_UNUSED, char **msg ATTRIBUTE_UNUSED)
{
  /* This reloc is used for 18 bit General Operand Addressing Postbyte in the
     INST opru18 form.  This is an 18 bit reloc, but the most significant bit
     is shifted one place to the left of where it would normally be.  See
     Appendix A.4 of the S12Z reference manual.  */

  bfd_size_type octets = reloc_entry->address * bfd_octets_per_byte (abfd);
  bfd_vma result = bfd_get_24 (abfd, (unsigned char *) data + octets);
  bfd_vma val = bfd_asymbol_value (symbol);

  /* Keep the wanted bits and discard the rest.  */
  result &= 0xFA0000;

  val += symbol->section->output_section->vma;
  val += symbol->section->output_offset;

  /* The lowest 17 bits are copied verbatim.  */
  result |= val & 0x1FFFF;

  /* The 18th bit is put into the 19th position.  */
  result |= (val & 0x020000) << 1;

  bfd_put_24 (abfd, result, (unsigned char *) data + octets);

  return bfd_reloc_ok;
}


static bfd_reloc_status_type
shift_addend_reloc (bfd *abfd, arelent *reloc_entry, struct bfd_symbol *symbol ATTRIBUTE_UNUSED,
		    void *data ATTRIBUTE_UNUSED, asection *input_section ATTRIBUTE_UNUSED,
		    bfd *output ATTRIBUTE_UNUSED, char **msg ATTRIBUTE_UNUSED)
{
  /* This is a really peculiar reloc, which is done for compatibility
     with the Freescale toolchain.

     That toolchain appears to (ab)use the lowest 15 bits of the addend for
     the purpose of holding flags.  The purpose of these flags are unknown.
     So in this function, when writing the bfd we left shift the addend by
     15, and when reading we right shift it by 15 (discarding the lower bits).

     This allows the linker to work with object files generated by Freescale,
     as well as by Gas.  */

  if (abfd->is_linker_input)
    reloc_entry->addend >>= 15;
  else
    reloc_entry->addend <<= 15;

  return bfd_reloc_continue;
}

#define USE_REL	0

static reloc_howto_type elf_s12z_howto_table[] =
{
  /* This reloc does nothing.  */
  HOWTO (R_S12Z_NONE,	/* type */
	 0,			/* rightshift */
	 3,			/* size (0 = byte, 1 = short, 2 = long) */
	 0,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_dont,/* complain_on_overflow */
	 bfd_elf_generic_reloc,	/* special_function */
	 "R_S12Z_NONE",	/* name */
	 FALSE,			/* partial_inplace */
	 0,			/* src_mask */
	 0,			/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* A 24 bit absolute relocation emitted by the OPR mode operands  */
  HOWTO (R_S12Z_OPR,        /* type */
	 0,			/* rightshift */
	 5,			/* size (0 = byte, 1 = short, 2 = long) */
	 24,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_bitfield,	/* complain_on_overflow */
	 shift_addend_reloc,
	 "R_S12Z_OPR",	/* name */
	 FALSE,			/* partial_inplace */
	 0x00ffffff,            /* src_mask */
	 0x00ffffff,		/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* The purpose of this reloc is not known */
  HOWTO (R_S12Z_UKNWN_2,	/* type */
	 0,			/* rightshift */
	 3,			/* size (0 = byte, 1 = short, 2 = long) */
	 0,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_dont,/* complain_on_overflow */
	 bfd_elf_generic_reloc,	/* special_function */
	 "R_S12Z_UKNWN_2",	/* name */
	 FALSE,			/* partial_inplace */
	 0,			/* src_mask */
	 0,			/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* A 15 bit PC-rel relocation */
  HOWTO (R_S12Z_PCREL_7_15,	/* type */
	 0,			/* rightshift */
	 1,			/* size (0 = byte, 1 = short, 2 = long) */
	 15,			/* bitsize */
	 TRUE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_bitfield,	/* complain_on_overflow */
	 shift_addend_reloc,
	 "R_S12Z_PCREL_7_15",	/* name */
	 FALSE,			/* partial_inplace */
	 0x00,                  /* src_mask */
	 0x007fff,		/* dst_mask */
	 TRUE),		/* pcrel_offset */

  /* A 24 bit absolute relocation emitted by EXT24 mode operands */
  HOWTO (R_S12Z_EXT24,        /* type */
	 0,			/* rightshift */
	 5,			/* size (0 = byte, 1 = short, 2 = long) */
	 24,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_bitfield,	/* complain_on_overflow */
	 bfd_elf_generic_reloc,	/* special_function */
	 "R_S12Z_EXT24",	/* name */
	 FALSE,			/* partial_inplace */
	 0x00000000,            /* src_mask */
	 0x00ffffff,		/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* An 18 bit absolute relocation */
  HOWTO (R_S12Z_EXT18,        /* type */
	 0,			/* rightshift */
	 5,			/* size (0 = byte, 1 = short, 2 = long) */
	 18,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_bitfield,	/* complain_on_overflow */
	 opru18_reloc,	        /* special_function */
	 "R_S12Z_EXT18",	/* name */
	 FALSE,			/* partial_inplace */
	 0x00000000,            /* src_mask */
	 0x0005ffff,		/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* A 32 bit absolute relocation.   This kind of relocation is
     schizophrenic - Although they appear in sections named .rela.debug.*
     in some sections they behave as RELA relocs, but in others they have
     an added of zero and behave as REL.

     It is not recommended that new code  emits this reloc.   It is here
     only to support existing elf files generated by third party
     applications.  */

  HOWTO (R_S12Z_CW32,        /* type */
	 0,			/* rightshift */
	 2,			/* size (0 = byte, 1 = short, 2 = long) */
	 32,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_bitfield,	/* complain_on_overflow */
	 bfd_elf_generic_reloc,	/* special_function */
	 "R_S12Z_CW32",	/* name */
	 FALSE,			/* partial_inplace */
	 0xffffffff,            /* src_mask */
	 0xffffffff,		/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* A 32 bit absolute relocation  */
  HOWTO (R_S12Z_EXT32,        /* type */
	 0,			/* rightshift */
	 2,			/* size (0 = byte, 1 = short, 2 = long) */
	 32,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_bitfield,	/* complain_on_overflow */
	 bfd_elf_generic_reloc,	/* special_function */
	 "R_S12Z_EXT32",	/* name */
	 FALSE,			/* partial_inplace */
	 0x00000000,            /* src_mask */
	 0xffffffff,		/* dst_mask */
	 FALSE),		/* pcrel_offset */
};

/* Map BFD reloc types to S12Z ELF reloc types.  */

struct s12z_reloc_map
{
  bfd_reloc_code_real_type bfd_reloc_val;
  unsigned char elf_reloc_val;
};

static const struct s12z_reloc_map s12z_reloc_map[] =
{
  /* bfd reloc val */  /* elf reloc val */
  {BFD_RELOC_NONE,     R_S12Z_NONE},
  {BFD_RELOC_32,       R_S12Z_EXT32},
  {BFD_RELOC_24,       R_S12Z_EXT24},
  {BFD_RELOC_16_PCREL, R_S12Z_PCREL_7_15},
  {BFD_RELOC_S12Z_OPR, R_S12Z_OPR}
};

static reloc_howto_type *
bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
				 bfd_reloc_code_real_type code)
{
  unsigned int i;

  for (i = 0;
       i < sizeof (s12z_reloc_map) / sizeof (struct s12z_reloc_map);
       i++)
    {
      if (s12z_reloc_map[i].bfd_reloc_val == code)
	{
	  return &elf_s12z_howto_table[s12z_reloc_map[i].elf_reloc_val];
	}
    }

  printf ("%s:%d Not found type %d\n", __FILE__, __LINE__, code);

  return NULL;
}

static reloc_howto_type *
bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
				 const char *r_name)
{
  unsigned int i;

  for (i = 0;
       i < (sizeof (elf_s12z_howto_table)
	    / sizeof (elf_s12z_howto_table[0]));
       i++)
    if (elf_s12z_howto_table[i].name != NULL
	&& strcasecmp (elf_s12z_howto_table[i].name, r_name) == 0)
      return &elf_s12z_howto_table[i];

  return NULL;
}

/* Set the howto pointer for an S12Z ELF reloc.  */

static bfd_boolean
s12z_info_to_howto_rel (bfd *abfd,
			  arelent *cache_ptr, Elf_Internal_Rela *dst)
{
  unsigned int  r_type = ELF32_R_TYPE (dst->r_info);

  if (r_type >= (unsigned int) R_S12Z_max)
    {
      /* xgettext:c-format */
      _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
			  abfd, r_type);
      bfd_set_error (bfd_error_bad_value);
      return FALSE;
    }

  cache_ptr->howto = &elf_s12z_howto_table[r_type];
  return TRUE;
}

static bfd_boolean
s12z_elf_set_mach_from_flags (bfd *abfd)
{
  bfd_default_set_arch_mach (abfd, bfd_arch_s12z, 0);

  return TRUE;
}

#define ELF_ARCH		bfd_arch_s12z
#define ELF_MACHINE_CODE	EM_S12Z
#define ELF_MAXPAGESIZE		0x1000

#define TARGET_BIG_SYM		s12z_elf32_vec
#define TARGET_BIG_NAME		"elf32-s12z"

#define elf_info_to_howto			NULL
#define elf_info_to_howto_rel			s12z_info_to_howto_rel
#define elf_backend_object_p			s12z_elf_set_mach_from_flags

#include "elf32-target.h"
Commit	Line	Data
7b4ae824	1	/* Freescale S12Z-specific support for 32-bit ELF
82704155	2	Copyright (C) 1999-2019 Free Software Foundation, Inc.
7b4ae824 JD	3	(Heavily copied from the D10V port by Martin Hunt (hunt@cygnus.com))
	4
	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. */
	21
	22	#include "sysdep.h"
	23	#include "bfd.h"
	24	#include "bfdlink.h"
	25	#include "libbfd.h"
	26	#include "elf-bfd.h"
	27
	28	#include "elf/s12z.h"
	29
	30	/* Relocation functions. */
	31	static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
	32	(bfd *, bfd_reloc_code_real_type);
	33	static bfd_boolean s12z_info_to_howto_rel
	34	(bfd , arelent , Elf_Internal_Rela *);
	35
4e57b456 JD	36	static bfd_reloc_status_type
	37	opru18_reloc (bfd abfd, arelent reloc_entry, struct bfd_symbol *symbol,
	38	void data, asection input_section ATTRIBUTE_UNUSED,
	39	bfd output ATTRIBUTE_UNUSED, char *msg ATTRIBUTE_UNUSED)
	40	{
	41	/* This reloc is used for 18 bit General Operand Addressing Postbyte in the
	42	INST opru18 form. This is an 18 bit reloc, but the most significant bit
	43	is shifted one place to the left of where it would normally be. See
	44	Appendix A.4 of the S12Z reference manual. */
	45
	46	bfd_size_type octets = reloc_entry->address * bfd_octets_per_byte (abfd);
	47	bfd_vma result = bfd_get_24 (abfd, (unsigned char *) data + octets);
	48	bfd_vma val = bfd_asymbol_value (symbol);
	49
	50	/* Keep the wanted bits and discard the rest. */
	51	result &= 0xFA0000;
	52
	53	val += symbol->section->output_section->vma;
	54	val += symbol->section->output_offset;
	55
	56	/* The lowest 17 bits are copied verbatim. */
	57	result \|= val & 0x1FFFF;
	58
	59	/* The 18th bit is put into the 19th position. */
	60	result \|= (val & 0x020000) << 1;
	61
	62	bfd_put_24 (abfd, result, (unsigned char *) data + octets);
	63
	64	return bfd_reloc_ok;
	65	}
	66
	67
7b4ae824 JD	68	static bfd_reloc_status_type
	69	shift_addend_reloc (bfd abfd, arelent reloc_entry, struct bfd_symbol *symbol ATTRIBUTE_UNUSED,
	70	void data ATTRIBUTE_UNUSED, asection input_section ATTRIBUTE_UNUSED,
	71	bfd output ATTRIBUTE_UNUSED, char *msg ATTRIBUTE_UNUSED)
	72	{
	73	/* This is a really peculiar reloc, which is done for compatibility
	74	with the Freescale toolchain.
	75
	76	That toolchain appears to (ab)use the lowest 15 bits of the addend for
	77	the purpose of holding flags. The purpose of these flags are unknown.
	78	So in this function, when writing the bfd we left shift the addend by
	79	15, and when reading we right shift it by 15 (discarding the lower bits).
	80
	81	This allows the linker to work with object files generated by Freescale,
	82	as well as by Gas. */
	83
	84	if (abfd->is_linker_input)
	85	reloc_entry->addend >>= 15;
	86	else
	87	reloc_entry->addend <<= 15;
	88
	89	return bfd_reloc_continue;
	90	}
	91
	92	#define USE_REL 0
	93
	94	static reloc_howto_type elf_s12z_howto_table[] =
	95	{
	96	/* This reloc does nothing. */
	97	HOWTO (R_S12Z_NONE, /* type */
	98	0, /* rightshift */
	99	3, /* size (0 = byte, 1 = short, 2 = long) */
	100	0, /* bitsize */
	101	FALSE, /* pc_relative */
	102	0, /* bitpos */
	103	complain_overflow_dont,/* complain_on_overflow */
	104	bfd_elf_generic_reloc, /* special_function */
	105	"R_S12Z_NONE", /* name */
	106	FALSE, /* partial_inplace */
	107	0, /* src_mask */
	108	0, /* dst_mask */
	109	FALSE), /* pcrel_offset */
	110
	111	/* A 24 bit absolute relocation emitted by the OPR mode operands */
	112	HOWTO (R_S12Z_OPR, /* type */
	113	0, /* rightshift */
	114	5, /* size (0 = byte, 1 = short, 2 = long) */
	115	24, /* bitsize */
	116	FALSE, /* pc_relative */
	117	0, /* bitpos */
	118	complain_overflow_bitfield, /* complain_on_overflow */
	119	shift_addend_reloc,
	120	"R_S12Z_OPR", /* name */
	121	FALSE, /* partial_inplace */
d5dcaf1b	122	0x00ffffff, /* src_mask */
7b4ae824 JD	123	0x00ffffff, /* dst_mask */
	124	FALSE), /* pcrel_offset */
	125
	126	/* The purpose of this reloc is not known */
	127	HOWTO (R_S12Z_UKNWN_2, /* type */
	128	0, /* rightshift */
	129	3, /* size (0 = byte, 1 = short, 2 = long) */
	130	0, /* bitsize */
	131	FALSE, /* pc_relative */
	132	0, /* bitpos */
	133	complain_overflow_dont,/* complain_on_overflow */
	134	bfd_elf_generic_reloc, /* special_function */
	135	"R_S12Z_UKNWN_2", /* name */
	136	FALSE, /* partial_inplace */
	137	0, /* src_mask */
	138	0, /* dst_mask */
	139	FALSE), /* pcrel_offset */
	140
	141	/* A 15 bit PC-rel relocation */
	142	HOWTO (R_S12Z_PCREL_7_15, /* type */
	143	0, /* rightshift */
	144	1, /* size (0 = byte, 1 = short, 2 = long) */
	145	15, /* bitsize */
	146	TRUE, /* pc_relative */
	147	0, /* bitpos */
	148	complain_overflow_bitfield, /* complain_on_overflow */
	149	shift_addend_reloc,
	150	"R_S12Z_PCREL_7_15", /* name */
	151	FALSE, /* partial_inplace */
	152	0x00, /* src_mask */
	153	0x007fff, /* dst_mask */
	154	TRUE), /* pcrel_offset */
	155
	156	/* A 24 bit absolute relocation emitted by EXT24 mode operands */
	157	HOWTO (R_S12Z_EXT24, /* type */
	158	0, /* rightshift */
	159	5, /* size (0 = byte, 1 = short, 2 = long) */
	160	24, /* bitsize */
	161	FALSE, /* pc_relative */
	162	0, /* bitpos */
	163	complain_overflow_bitfield, /* complain_on_overflow */
	164	bfd_elf_generic_reloc, /* special_function */
	165	"R_S12Z_EXT24", /* name */
	166	FALSE, /* partial_inplace */
808325d2	167	0x00000000, /* src_mask */
7b4ae824 JD	168	0x00ffffff, /* dst_mask */
	169	FALSE), /* pcrel_offset */
	170
4e57b456 JD	171	/* An 18 bit absolute relocation */
4e57b456 JD	172	HOWTO (R_S12Z_EXT18, /* type */
7b4ae824	173	0, /* rightshift */
4e57b456 JD	174	5, /* size (0 = byte, 1 = short, 2 = long) */
4e57b456 JD	175	18, /* bitsize */
7b4ae824 JD	176	FALSE, /* pc_relative */
7b4ae824 JD	177	0, /* bitpos */
4e57b456 JD	178	complain_overflow_bitfield, /* complain_on_overflow */
	179	opru18_reloc, /* special_function */
	180	"R_S12Z_EXT18", /* name */
7b4ae824	181	FALSE, /* partial_inplace */
808325d2	182	0x00000000, /* src_mask */
4e57b456	183	0x0005ffff, /* dst_mask */
7b4ae824 JD	184	FALSE), /* pcrel_offset */
7b4ae824 JD	185
2849d19f JD	186	/* A 32 bit absolute relocation. This kind of relocation is
	187	schizophrenic - Although they appear in sections named .rela.debug.*
	188	in some sections they behave as RELA relocs, but in others they have
	189	an added of zero and behave as REL.
	190
	191	It is not recommended that new code emits this reloc. It is here
	192	only to support existing elf files generated by third party
	193	applications. */
	194
	195	HOWTO (R_S12Z_CW32, /* type */
	196	0, /* rightshift */
	197	2, /* size (0 = byte, 1 = short, 2 = long) */
	198	32, /* bitsize */
	199	FALSE, /* pc_relative */
	200	0, /* bitpos */
	201	complain_overflow_bitfield, /* complain_on_overflow */
	202	bfd_elf_generic_reloc, /* special_function */
	203	"R_S12Z_CW32", /* name */
	204	FALSE, /* partial_inplace */
	205	0xffffffff, /* src_mask */
	206	0xffffffff, /* dst_mask */
	207	FALSE), /* pcrel_offset */
	208
7b4ae824 JD	209	/* A 32 bit absolute relocation */
	210	HOWTO (R_S12Z_EXT32, /* type */
	211	0, /* rightshift */
	212	2, /* size (0 = byte, 1 = short, 2 = long) */
	213	32, /* bitsize */
	214	FALSE, /* pc_relative */
	215	0, /* bitpos */
	216	complain_overflow_bitfield, /* complain_on_overflow */
	217	bfd_elf_generic_reloc, /* special_function */
	218	"R_S12Z_EXT32", /* name */
	219	FALSE, /* partial_inplace */
808325d2	220	0x00000000, /* src_mask */
7b4ae824 JD	221	0xffffffff, /* dst_mask */
	222	FALSE), /* pcrel_offset */
	223	};
	224
	225	/* Map BFD reloc types to S12Z ELF reloc types. */
	226
	227	struct s12z_reloc_map
	228	{
	229	bfd_reloc_code_real_type bfd_reloc_val;
	230	unsigned char elf_reloc_val;
	231	};
	232
	233	static const struct s12z_reloc_map s12z_reloc_map[] =
	234	{
d5dcaf1b JD	235	/* bfd reloc val / / elf reloc val */
	236	{BFD_RELOC_NONE, R_S12Z_NONE},
	237	{BFD_RELOC_32, R_S12Z_EXT32},
	238	{BFD_RELOC_24, R_S12Z_EXT24},
	239	{BFD_RELOC_16_PCREL, R_S12Z_PCREL_7_15},
	240	{BFD_RELOC_S12Z_OPR, R_S12Z_OPR}
7b4ae824 JD	241	};
	242
	243	static reloc_howto_type *
	244	bfd_elf32_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	245	bfd_reloc_code_real_type code)
	246	{
	247	unsigned int i;
	248
	249	for (i = 0;
	250	i < sizeof (s12z_reloc_map) / sizeof (struct s12z_reloc_map);
	251	i++)
	252	{
	253	if (s12z_reloc_map[i].bfd_reloc_val == code)
	254	{
	255	return &elf_s12z_howto_table[s12z_reloc_map[i].elf_reloc_val];
	256	}
	257	}
	258
	259	printf ("%s:%d Not found type %d\n", __FILE__, __LINE__, code);
	260
	261	return NULL;
	262	}
	263
	264	static reloc_howto_type *
	265	bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	266	const char *r_name)
	267	{
	268	unsigned int i;
	269
7b4ae824 JD	270	for (i = 0;
	271	i < (sizeof (elf_s12z_howto_table)
	272	/ sizeof (elf_s12z_howto_table[0]));
	273	i++)
	274	if (elf_s12z_howto_table[i].name != NULL
	275	&& strcasecmp (elf_s12z_howto_table[i].name, r_name) == 0)
	276	return &elf_s12z_howto_table[i];
	277
	278	return NULL;
	279	}
	280
	281	/* Set the howto pointer for an S12Z ELF reloc. */
	282
	283	static bfd_boolean
	284	s12z_info_to_howto_rel (bfd *abfd,
	285	arelent cache_ptr, Elf_Internal_Rela dst)
	286	{
	287	unsigned int r_type = ELF32_R_TYPE (dst->r_info);
	288
	289	if (r_type >= (unsigned int) R_S12Z_max)
	290	{
	291	/* xgettext:c-format */
	292	_bfd_error_handler (_("%pB: unsupported relocation type %#x"),
	293	abfd, r_type);
	294	bfd_set_error (bfd_error_bad_value);
	295	return FALSE;
	296	}
	297
	298	cache_ptr->howto = &elf_s12z_howto_table[r_type];
	299	return TRUE;
	300	}
	301
	302	static bfd_boolean
	303	s12z_elf_set_mach_from_flags (bfd *abfd)
	304	{
cd4d353f	305	bfd_default_set_arch_mach (abfd, bfd_arch_s12z, 0);
7b4ae824 JD	306
	307	return TRUE;
	308	}
	309
	310	#define ELF_ARCH bfd_arch_s12z
7b4ae824 JD	311	#define ELF_MACHINE_CODE EM_S12Z
	312	#define ELF_MAXPAGESIZE 0x1000
	313
	314	#define TARGET_BIG_SYM s12z_elf32_vec
	315	#define TARGET_BIG_NAME "elf32-s12z"
	316
	317	#define elf_info_to_howto NULL
	318	#define elf_info_to_howto_rel s12z_info_to_howto_rel
	319	#define elf_backend_object_p s12z_elf_set_mach_from_flags
7b4ae824 JD	320
7b4ae824 JD	321	#include "elf32-target.h"