[deliverable/binutils-gdb.git] / bfd / elf32-mn10300.c

/* Matsushita 10300 specific support for 32-bit ELF
   Copyright (C) 1996 Free Software Foundation, Inc.

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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

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

static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
  PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
static void mn10300_info_to_howto
  PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *));
static bfd_reloc_status_type bfd_elf32_mn10300_reloc
  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));


/* We have to use RELA instructions since md_apply_fix3 in the assembler
   does absolutely nothing.  */
#define USE_RELA

enum reloc_type
{
  R_MN10300_NONE = 0,
  R_MN10300_32,
  R_MN10300_16,
  R_MN10300_8,
  R_MN10300_32B,
  R_MN10300_16B,
  R_MN10300_PCREL32_1BYTE,
  R_MN10300_PCREL16_1BYTE,
  R_MN10300_PCREL8_1BYTE,
  R_MN10300_PCREL32_2BYTE,
  R_MN10300_PCREL16_2BYTE,
  R_MN10300_MAX
};

static reloc_howto_type elf_mn10300_howto_table[] =
{
  /* Dummy relocation.  Does nothing.  */
  HOWTO (R_MN10300_NONE,
	 0,
	 2,
	 16,
	 false,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf_generic_reloc,
	 "R_MN10300_NONE",
	 false,
	 0,
	 0,
	 false),
  /* Standard 32 bit reloc.  */
  HOWTO (R_MN10300_32,
	 0,
	 2,
	 32,
	 false,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf_generic_reloc,
	 "R_MN10300_32",
	 false,
	 0xffffffff,
	 0xffffffff,
	 false),
  /* Standard 16 bit reloc.  */
  HOWTO (R_MN10300_16,
	 0,
	 1,
	 16,
	 false,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf_generic_reloc,
	 "R_MN10300_16",
	 false,
	 0xffff,
	 0xffff,
	 false),
  /* Standard 8 bit reloc.  */
  HOWTO (R_MN10300_8,
	 0,
	 0,
	 8,
	 false,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf_generic_reloc,
	 "R_MN10300_8",
	 false,
	 0xff,
	 0xff,
	 false),
  /* Standard 32 bit reloc, except it explicitly writes big-endian format.  */
  HOWTO (R_MN10300_32B,
	 0,
	 2,
	 32,
	 false,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf32_mn10300_reloc,
	 "R_MN10300_32B",
	 false,
	 0xffffffff,
	 0xffffffff,
	 false),
  /* Standard 16 bit reloc, except it explicitly writes big-endian format.  */
  HOWTO (R_MN10300_16B,
	 0,
	 1,
	 16,
	 false,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf32_mn10300_reloc,
	 "R_MN10300_16B",
	 false,
	 0xffff,
	 0xffff,
	 false),
  /* Simple 32bit pc-relative reloc with a 1 byte adjustment
     to get the pc-relative offset correct.  */
  HOWTO (R_MN10300_PCREL32_1BYTE,
	 0,
	 2,
	 32,
	 true,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf32_mn10300_reloc,
	 "R_MN10300_PCREL32_1BYTE",
	 true,
	 0xffffffff,
	 0xffffffff,
	 false),
  /* Simple 16bit pc-relative reloc with a 1 byte adjustment
     to get the pc-relative offset correct.  */
  HOWTO (R_MN10300_PCREL16_1BYTE,
	 0,
	 1,
	 16,
	 true,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf32_mn10300_reloc,
	 "R_MN10300_PCREL16_1BYTE",
	 true,
	 0xffff,
	 0xffff,
	 false),
  /* Simple 8 pc-relative reloc with a 1 byte adjustment
     to get the pc-relative offset correct.  */
  HOWTO (R_MN10300_PCREL8_1BYTE,
	 0,
	 0,
	 8,
	 true,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf32_mn10300_reloc,
	 "R_MN10300_PCREL8_1BYTE",
	 true,
	 0xff,
	 0xff,
	 true),
  /* Simple 32 pc-relative reloc with a 2 byte adjustment
     to get the pc-relative offset correct.  */
  HOWTO (R_MN10300_PCREL32_2BYTE,
	 0,
	 2,
	 32,
	 true,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf32_mn10300_reloc,
	 "R_MN10300_PCREL32_2BYTE",
	 true,
	 0xffffffff,
	 0xffffffff,
	 true),
  /* Simple 16 pc-relative reloc with a 2 byte adjustment
     to get the pc-relative offset correct.  */
  HOWTO (R_MN10300_PCREL16_2BYTE,
	 0,
	 1,
	 16,
	 true,
	 0,
	 complain_overflow_bitfield,
	 bfd_elf32_mn10300_reloc,
	 "R_MN10300_PCREL16_2BYTE",
	 true,
	 0xffff,
	 0xffff,
	 true),
};

struct mn10300_reloc_map
{
  unsigned char bfd_reloc_val;
  unsigned char elf_reloc_val;
};

static const struct mn10300_reloc_map mn10300_reloc_map[] =
{
  { BFD_RELOC_NONE, R_MN10300_NONE, },
  { BFD_RELOC_32, R_MN10300_32, },
  { BFD_RELOC_16, R_MN10300_16, },
  { BFD_RELOC_8, R_MN10300_8, },
  { BFD_RELOC_MN10300_32B, R_MN10300_32B, },
  { BFD_RELOC_MN10300_16B, R_MN10300_16B, },
  { BFD_RELOC_32_PCREL, R_MN10300_PCREL32_1BYTE, },
  { BFD_RELOC_16_PCREL, R_MN10300_PCREL16_1BYTE, },
  { BFD_RELOC_8_PCREL, R_MN10300_PCREL8_1BYTE, },
  { BFD_RELOC_MN10300_32_PCREL, R_MN10300_PCREL32_2BYTE, },
  { BFD_RELOC_MN10300_16_PCREL, R_MN10300_PCREL16_2BYTE, },
};

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

  for (i = 0;
       i < sizeof (mn10300_reloc_map) / sizeof (struct mn10300_reloc_map);
       i++)
    {
      if (mn10300_reloc_map[i].bfd_reloc_val == code)
	return &elf_mn10300_howto_table[mn10300_reloc_map[i].elf_reloc_val];
    }

  return NULL;
}

/* Set the howto pointer for an MN10300 ELF reloc.  */

static void
mn10300_info_to_howto (abfd, cache_ptr, dst)
     bfd *abfd;
     arelent *cache_ptr;
     Elf32_Internal_Rela *dst;
{
  unsigned int r_type;

  r_type = ELF32_R_TYPE (dst->r_info);
  BFD_ASSERT (r_type < (unsigned int) R_MN10300_MAX);
  cache_ptr->howto = &elf_mn10300_howto_table[r_type];
}

static bfd_reloc_status_type
bfd_elf32_mn10300_reloc (abfd, reloc, symbol, data, isection, obfd, err)
     bfd *abfd;
     arelent *reloc;
     asymbol *symbol;
     PTR data;
     asection *isection;
     bfd *obfd;
     char **err;
{
  if (obfd != (bfd *) NULL
      && (symbol->flags & BSF_SECTION_SYM) == 0
      && (! reloc->howto->partial_inplace
	  || reloc->addend == 0))
    {
      reloc->address += isection->output_offset;
      return bfd_reloc_ok;
    }
  else if (obfd != NULL)
    {
      return bfd_reloc_continue;
    }

  /* Catch relocs involving undefined symbols.  */
  if (bfd_is_und_section (symbol->section)
      && (symbol->flags & BSF_WEAK) == 0
      && obfd == NULL)
    return bfd_reloc_undefined;

  /* We handle final linking of some relocs ourselves.  */
    {
      long relocation;

      /* Is the address of the relocation really within the section?  */
      if (reloc->address > isection->_cooked_size)
	return bfd_reloc_outofrange;

      /* Work out which section the relocation is targetted at and the
	 initial relocation command value.  */

      /* Get symbol value.  (Common symbols are special.)  */
      if (bfd_is_com_section (symbol->section))
	relocation = 0;
      else
	relocation = symbol->value;

      /* Convert input-section-relative symbol value to absolute + addend.  */
      relocation += symbol->section->output_section->vma;
      relocation += symbol->section->output_offset;
      relocation += reloc->addend;

      if (reloc->howto->pc_relative == true)
	{
	  /* Here the variable relocation holds the final address of the
	     symbol we are relocating against, plus any addend.  */
	  relocation -= isection->output_section->vma + isection->output_offset;

	  /* Deal with pcrel_offset */
	  relocation -= reloc->address;

	  if (reloc->howto->type == R_MN10300_PCREL32_1BYTE
	      || reloc->howto->type == R_MN10300_PCREL16_1BYTE
	      || reloc->howto->type == R_MN10300_PCREL8_1BYTE)
            relocation += 1;
	  else if (reloc->howto->type == R_MN10300_PCREL32_2BYTE
	      || reloc->howto->type == R_MN10300_PCREL16_2BYTE)
            relocation += 2;
	}

      /* I've got no clue... */
      reloc->addend = 0;	

      if (reloc->howto->size == 0)
	{
	  if (relocation > 0x7f || relocation < -0x80)
	    return bfd_reloc_overflow;

	  bfd_put_8 (abfd, relocation & 0xff,
		     (bfd_byte *)data + reloc->address);
	}
      else if (reloc->howto->size == 1)
	{
	  if (relocation > 0x7fff || relocation < -0x8000)
	    return bfd_reloc_overflow;

	  bfd_putb16 (relocation & 0xffff, (bfd_byte *)data + reloc->address);
 	}
      else if (reloc->howto->size == 2)
	bfd_putb32 (relocation, (bfd_byte *)data + reloc->address);
      return bfd_reloc_ok;
    }

  return bfd_reloc_continue;
}

#define TARGET_LITTLE_SYM	bfd_elf32_mn10300_vec
#define TARGET_LITTLE_NAME	"elf32-mn10300"
#define ELF_ARCH		bfd_arch_mn10300
#define ELF_MACHINE_CODE	EM_CYGNUS_MN10300
#define ELF_MAXPAGESIZE		0x1000

#define elf_info_to_howto	mn10300_info_to_howto
#define elf_info_to_howto_rel	0

#define elf_symbol_leading_char '_'

#include "elf32-target.h"
Commit	Line	Data
ae1b99e4 JL	1	/* Matsushita 10300 specific support for 32-bit ELF
ae1b99e4 JL	2	Copyright (C) 1996 Free Software Foundation, Inc.
efc2b064 JL	3
	4	This file is part of BFD, the Binary File Descriptor library.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	19
	20	#include "bfd.h"
	21	#include "sysdep.h"
	22	#include "libbfd.h"
	23	#include "elf-bfd.h"
	24
	25	static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup
	26	PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
943686fa JL	27	static void mn10300_info_to_howto
943686fa JL	28	PARAMS ((bfd , arelent , Elf32_Internal_Rela *));
12fdaaf8 JL	29	static bfd_reloc_status_type bfd_elf32_mn10300_reloc
	30	PARAMS ((bfd , arelent , asymbol , PTR, asection , bfd , char *));
	31
efc2b064	32
943686fa JL	33	/* We have to use RELA instructions since md_apply_fix3 in the assembler
	34	does absolutely nothing. */
	35	#define USE_RELA
efc2b064 JL	36
	37	enum reloc_type
	38	{
ae1b99e4	39	R_MN10300_NONE = 0,
c3239e66 JL	40	R_MN10300_32,
	41	R_MN10300_16,
	42	R_MN10300_8,
12fdaaf8 JL	43	R_MN10300_32B,
	44	R_MN10300_16B,
	45	R_MN10300_PCREL32_1BYTE,
	46	R_MN10300_PCREL16_1BYTE,
	47	R_MN10300_PCREL8_1BYTE,
	48	R_MN10300_PCREL32_2BYTE,
	49	R_MN10300_PCREL16_2BYTE,
ae1b99e4	50	R_MN10300_MAX
efc2b064 JL	51	};
efc2b064 JL	52
ae1b99e4	53	static reloc_howto_type elf_mn10300_howto_table[] =
efc2b064	54	{
207e944c	55	/* Dummy relocation. Does nothing. */
ae1b99e4	56	HOWTO (R_MN10300_NONE,
efc2b064 JL	57	0,
	58	2,
	59	16,
	60	false,
	61	0,
	62	complain_overflow_bitfield,
	63	bfd_elf_generic_reloc,
ae1b99e4	64	"R_MN10300_NONE",
efc2b064 JL	65	false,
	66	0,
	67	0,
	68	false),
207e944c	69	/* Standard 32 bit reloc. */
c3239e66 JL	70	HOWTO (R_MN10300_32,
	71	0,
	72	2,
	73	32,
	74	false,
	75	0,
	76	complain_overflow_bitfield,
	77	bfd_elf_generic_reloc,
	78	"R_MN10300_32",
d28f058e	79	false,
c3239e66 JL	80	0xffffffff,
	81	0xffffffff,
	82	false),
207e944c	83	/* Standard 16 bit reloc. */
c3239e66 JL	84	HOWTO (R_MN10300_16,
	85	0,
	86	1,
	87	16,
	88	false,
	89	0,
	90	complain_overflow_bitfield,
	91	bfd_elf_generic_reloc,
	92	"R_MN10300_16",
d28f058e	93	false,
c3239e66 JL	94	0xffff,
	95	0xffff,
	96	false),
207e944c	97	/* Standard 8 bit reloc. */
c3239e66 JL	98	HOWTO (R_MN10300_8,
	99	0,
	100	0,
	101	8,
	102	false,
	103	0,
	104	complain_overflow_bitfield,
	105	bfd_elf_generic_reloc,
	106	"R_MN10300_8",
d28f058e	107	false,
c3239e66 JL	108	0xff,
	109	0xff,
	110	false),
207e944c	111	/* Standard 32 bit reloc, except it explicitly writes big-endian format. */
12fdaaf8	112	HOWTO (R_MN10300_32B,
c3239e66 JL	113	0,
	114	2,
	115	32,
12fdaaf8 JL	116	false,
	117	0,
	118	complain_overflow_bitfield,
	119	bfd_elf32_mn10300_reloc,
	120	"R_MN10300_32B",
d28f058e	121	false,
12fdaaf8 JL	122	0xffffffff,
	123	0xffffffff,
	124	false),
207e944c	125	/* Standard 16 bit reloc, except it explicitly writes big-endian format. */
12fdaaf8 JL	126	HOWTO (R_MN10300_16B,
	127	0,
	128	1,
	129	16,
	130	false,
c3239e66 JL	131	0,
c3239e66 JL	132	complain_overflow_bitfield,
12fdaaf8 JL	133	bfd_elf32_mn10300_reloc,
12fdaaf8 JL	134	"R_MN10300_16B",
d28f058e	135	false,
12fdaaf8 JL	136	0xffff,
	137	0xffff,
	138	false),
207e944c JL	139	/* Simple 32bit pc-relative reloc with a 1 byte adjustment
207e944c JL	140	to get the pc-relative offset correct. */
12fdaaf8 JL	141	HOWTO (R_MN10300_PCREL32_1BYTE,
	142	0,
	143	2,
	144	32,
	145	true,
	146	0,
	147	complain_overflow_bitfield,
	148	bfd_elf32_mn10300_reloc,
	149	"R_MN10300_PCREL32_1BYTE",
c3239e66 JL	150	true,
	151	0xffffffff,
	152	0xffffffff,
	153	false),
207e944c JL	154	/* Simple 16bit pc-relative reloc with a 1 byte adjustment
207e944c JL	155	to get the pc-relative offset correct. */
12fdaaf8	156	HOWTO (R_MN10300_PCREL16_1BYTE,
c3239e66 JL	157	0,
	158	1,
	159	16,
	160	true,
	161	0,
	162	complain_overflow_bitfield,
12fdaaf8 JL	163	bfd_elf32_mn10300_reloc,
12fdaaf8 JL	164	"R_MN10300_PCREL16_1BYTE",
c3239e66 JL	165	true,
	166	0xffff,
	167	0xffff,
	168	false),
207e944c JL	169	/* Simple 8 pc-relative reloc with a 1 byte adjustment
207e944c JL	170	to get the pc-relative offset correct. */
12fdaaf8	171	HOWTO (R_MN10300_PCREL8_1BYTE,
c3239e66 JL	172	0,
	173	0,
	174	8,
	175	true,
	176	0,
	177	complain_overflow_bitfield,
12fdaaf8 JL	178	bfd_elf32_mn10300_reloc,
12fdaaf8 JL	179	"R_MN10300_PCREL8_1BYTE",
c3239e66 JL	180	true,
	181	0xff,
	182	0xff,
12fdaaf8	183	true),
207e944c JL	184	/* Simple 32 pc-relative reloc with a 2 byte adjustment
207e944c JL	185	to get the pc-relative offset correct. */
12fdaaf8 JL	186	HOWTO (R_MN10300_PCREL32_2BYTE,
	187	0,
	188	2,
	189	32,
	190	true,
	191	0,
	192	complain_overflow_bitfield,
	193	bfd_elf32_mn10300_reloc,
	194	"R_MN10300_PCREL32_2BYTE",
	195	true,
	196	0xffffffff,
	197	0xffffffff,
	198	true),
207e944c JL	199	/* Simple 16 pc-relative reloc with a 2 byte adjustment
207e944c JL	200	to get the pc-relative offset correct. */
12fdaaf8 JL	201	HOWTO (R_MN10300_PCREL16_2BYTE,
	202	0,
	203	1,
	204	16,
	205	true,
	206	0,
	207	complain_overflow_bitfield,
	208	bfd_elf32_mn10300_reloc,
	209	"R_MN10300_PCREL16_2BYTE",
	210	true,
	211	0xffff,
	212	0xffff,
	213	true),
efc2b064 JL	214	};
efc2b064 JL	215
ae1b99e4	216	struct mn10300_reloc_map
efc2b064 JL	217	{
	218	unsigned char bfd_reloc_val;
	219	unsigned char elf_reloc_val;
	220	};
	221
ae1b99e4	222	static const struct mn10300_reloc_map mn10300_reloc_map[] =
efc2b064	223	{
ae1b99e4	224	{ BFD_RELOC_NONE, R_MN10300_NONE, },
c3239e66 JL	225	{ BFD_RELOC_32, R_MN10300_32, },
	226	{ BFD_RELOC_16, R_MN10300_16, },
	227	{ BFD_RELOC_8, R_MN10300_8, },
12fdaaf8 JL	228	{ BFD_RELOC_MN10300_32B, R_MN10300_32B, },
	229	{ BFD_RELOC_MN10300_16B, R_MN10300_16B, },
	230	{ BFD_RELOC_32_PCREL, R_MN10300_PCREL32_1BYTE, },
	231	{ BFD_RELOC_16_PCREL, R_MN10300_PCREL16_1BYTE, },
	232	{ BFD_RELOC_8_PCREL, R_MN10300_PCREL8_1BYTE, },
	233	{ BFD_RELOC_MN10300_32_PCREL, R_MN10300_PCREL32_2BYTE, },
	234	{ BFD_RELOC_MN10300_16_PCREL, R_MN10300_PCREL16_2BYTE, },
efc2b064 JL	235	};
	236
	237	static reloc_howto_type *
	238	bfd_elf32_bfd_reloc_type_lookup (abfd, code)
	239	bfd *abfd;
	240	bfd_reloc_code_real_type code;
	241	{
	242	unsigned int i;
	243
	244	for (i = 0;
ae1b99e4	245	i < sizeof (mn10300_reloc_map) / sizeof (struct mn10300_reloc_map);
efc2b064 JL	246	i++)
efc2b064 JL	247	{
ae1b99e4 JL	248	if (mn10300_reloc_map[i].bfd_reloc_val == code)
ae1b99e4 JL	249	return &elf_mn10300_howto_table[mn10300_reloc_map[i].elf_reloc_val];
efc2b064 JL	250	}
	251
	252	return NULL;
	253	}
	254
12fdaaf8	255	/* Set the howto pointer for an MN10300 ELF reloc. */
efc2b064 JL	256
efc2b064 JL	257	static void
943686fa	258	mn10300_info_to_howto (abfd, cache_ptr, dst)
efc2b064 JL	259	bfd *abfd;
efc2b064 JL	260	arelent *cache_ptr;
943686fa	261	Elf32_Internal_Rela *dst;
efc2b064 JL	262	{
	263	unsigned int r_type;
	264
	265	r_type = ELF32_R_TYPE (dst->r_info);
ae1b99e4 JL	266	BFD_ASSERT (r_type < (unsigned int) R_MN10300_MAX);
ae1b99e4 JL	267	cache_ptr->howto = &elf_mn10300_howto_table[r_type];
efc2b064 JL	268	}
efc2b064 JL	269
12fdaaf8 JL	270	static bfd_reloc_status_type
	271	bfd_elf32_mn10300_reloc (abfd, reloc, symbol, data, isection, obfd, err)
	272	bfd *abfd;
	273	arelent *reloc;
	274	asymbol *symbol;
	275	PTR data;
	276	asection *isection;
	277	bfd *obfd;
	278	char **err;
	279	{
	280	if (obfd != (bfd *) NULL
	281	&& (symbol->flags & BSF_SECTION_SYM) == 0
	282	&& (! reloc->howto->partial_inplace
	283	\|\| reloc->addend == 0))
	284	{
	285	reloc->address += isection->output_offset;
	286	return bfd_reloc_ok;
	287	}
	288	else if (obfd != NULL)
	289	{
	290	return bfd_reloc_continue;
	291	}
	292
	293	/* Catch relocs involving undefined symbols. */
	294	if (bfd_is_und_section (symbol->section)
	295	&& (symbol->flags & BSF_WEAK) == 0
	296	&& obfd == NULL)
	297	return bfd_reloc_undefined;
	298
	299	/* We handle final linking of some relocs ourselves. */
	300	{
207e944c	301	long relocation;
12fdaaf8 JL	302
	303	/* Is the address of the relocation really within the section? */
	304	if (reloc->address > isection->_cooked_size)
	305	return bfd_reloc_outofrange;
	306
	307	/* Work out which section the relocation is targetted at and the
	308	initial relocation command value. */
	309
	310	/* Get symbol value. (Common symbols are special.) */
	311	if (bfd_is_com_section (symbol->section))
	312	relocation = 0;
	313	else
	314	relocation = symbol->value;
	315
	316	/* Convert input-section-relative symbol value to absolute + addend. */
	317	relocation += symbol->section->output_section->vma;
	318	relocation += symbol->section->output_offset;
	319	relocation += reloc->addend;
	320
	321	if (reloc->howto->pc_relative == true)
	322	{
	323	/* Here the variable relocation holds the final address of the
	324	symbol we are relocating against, plus any addend. */
	325	relocation -= isection->output_section->vma + isection->output_offset;
	326
	327	/* Deal with pcrel_offset */
	328	relocation -= reloc->address;
	329
	330	if (reloc->howto->type == R_MN10300_PCREL32_1BYTE
	331	\|\| reloc->howto->type == R_MN10300_PCREL16_1BYTE
	332	\|\| reloc->howto->type == R_MN10300_PCREL8_1BYTE)
	333	relocation += 1;
	334	else if (reloc->howto->type == R_MN10300_PCREL32_2BYTE
	335	\|\| reloc->howto->type == R_MN10300_PCREL16_2BYTE)
	336	relocation += 2;
	337	}
	338
	339	/* I've got no clue... */
	340	reloc->addend = 0;
	341
	342	if (reloc->howto->size == 0)
	343	{
	344	if (relocation > 0x7f \|\| relocation < -0x80)
	345	return bfd_reloc_overflow;
	346
	347	bfd_put_8 (abfd, relocation & 0xff,
	348	(bfd_byte *)data + reloc->address);
	349	}
	350	else if (reloc->howto->size == 1)
	351	{
	352	if (relocation > 0x7fff \|\| relocation < -0x8000)
	353	return bfd_reloc_overflow;
	354
	355	bfd_putb16 (relocation & 0xffff, (bfd_byte *)data + reloc->address);
	356	}
	357	else if (reloc->howto->size == 2)
	358	bfd_putb32 (relocation, (bfd_byte *)data + reloc->address);
	359	return bfd_reloc_ok;
	360	}
	361
	362	return bfd_reloc_continue;
	363	}
	364
ae1b99e4 JL	365	#define TARGET_LITTLE_SYM bfd_elf32_mn10300_vec
	366	#define TARGET_LITTLE_NAME "elf32-mn10300"
	367	#define ELF_ARCH bfd_arch_mn10300
	368	#define ELF_MACHINE_CODE EM_CYGNUS_MN10300
efc2b064 JL	369	#define ELF_MAXPAGESIZE 0x1000
efc2b064 JL	370
943686fa JL	371	#define elf_info_to_howto mn10300_info_to_howto
943686fa JL	372	#define elf_info_to_howto_rel 0
efc2b064	373
31cffd2e JL	374	#define elf_symbol_leading_char '_'
31cffd2e JL	375
efc2b064	376	#include "elf32-target.h"