[deliverable/binutils-gdb.git] / bfd / elf32-v850.c

/* V850-specific support for 32-bit ELF
   Copyright (C) 1994, 1995 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 v850_info_to_howto_rel
  PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *));
static bfd_reloc_status_type bfd_elf32_v850_reloc
  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));


/* Try to minimize the amount of space occupied by relocation tables
   on the ROM (not that the ROM won't be swamped by other ELF overhead).  */
#define USE_REL

enum reloc_type
{
  R_V850_NONE = 0,
  R_V850_9_PCREL,
  R_V850_22_PCREL,
  R_V850_HI16_S,
  R_V850_HI16,
  R_V850_LO16,
  R_V850_32,
  R_V850_16,
  R_V850_8,
  R_V850_max
};

static reloc_howto_type elf_v850_howto_table[] =
{
  /* This reloc does nothing.  */
  HOWTO (R_V850_NONE,		/* 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_V850_NONE",		/* name */
	 false,			/* partial_inplace */
	 0,			/* src_mask */
	 0,			/* dst_mask */
	 false),		/* pcrel_offset */

  /* A PC relative 9 bit branch. */
  HOWTO (R_V850_9_PCREL,	/* type */
	 2,			/* rightshift */
	 2,			/* size (0 = byte, 1 = short, 2 = long) */
	 26,			/* bitsize */
	 true,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_bitfield, /* complain_on_overflow */
	 bfd_elf32_v850_reloc,	/* special_function */
	 "R_V850_9_PCREL",	/* name */
	 false,			/* partial_inplace */
	 0x00ffffff,		/* src_mask */
	 0x00ffffff,		/* dst_mask */
	 true),			/* pcrel_offset */

  /* A PC relative 22 bit branch. */
  HOWTO (R_V850_22_PCREL,	/* type */
	 2,			/* rightshift */
	 2,			/* size (0 = byte, 1 = short, 2 = long) */
	 22,			/* bitsize */
	 true,			/* pc_relative */
	 7,			/* bitpos */
	 complain_overflow_signed, /* complain_on_overflow */
	 bfd_elf32_v850_reloc,	/* special_function */
	 "R_V850_22_PCREL",	/* name */
	 false,			/* partial_inplace */
	 0x07ffff80,		/* src_mask */
	 0x07ffff80,		/* dst_mask */
	 true),			/* pcrel_offset */

  /* High 16 bits of symbol value.  */
  HOWTO (R_V850_HI16_S,         /* type */
         0,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
         false,                 /* pc_relative */
         0,                    /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf32_v850_reloc, /* special_function */
         "R_V850_HI16_S",       /* name */
         true,                  /* partial_inplace */
         0xffff,                /* src_mask */
         0xffff,                /* dst_mask */
         false),                /* pcrel_offset */

  /* High 16 bits of symbol value.  */
  HOWTO (R_V850_HI16,           /* type */
         0,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
         false,                 /* pc_relative */
         0,                    /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf32_v850_reloc, /* special_function */
         "R_V850_HI16",         /* name */
         true,                  /* partial_inplace */
         0xffff,                /* src_mask */
         0xffff,                /* dst_mask */
         false),                /* pcrel_offset */

  /* Low 16 bits of symbol value.  */
  HOWTO (R_V850_LO16,           /* type */
         0,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_V850_LO16",         /* name */
         true,                  /* partial_inplace */
         0xffff,                /* src_mask */
         0xffff,                /* dst_mask */
         false),                /* pcrel_offset */

  /* Simple 32bit reloc.  */
  HOWTO (R_V850_32,           /* type */
         0,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         32,                    /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_V850_32",         /* name */
         true,                  /* partial_inplace */
         0xffffffff,                /* src_mask */
         0xffffffff,                /* dst_mask */
         false),                /* pcrel_offset */

  /* Simple 16bit reloc.  */
  HOWTO (R_V850_16,           /* type */
         0,                     /* rightshift */
         1,                     /* size (0 = byte, 1 = short, 2 = long) */
         16,                    /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_V850_16",         /* name */
         true,                  /* partial_inplace */
         0xffff,                /* src_mask */
         0xffff,                /* dst_mask */
         false),                /* pcrel_offset */

  /* Simple 8bit reloc.  */
  HOWTO (R_V850_8,           /* type */
         0,                     /* rightshift */
         0,                     /* size (0 = byte, 1 = short, 2 = long) */
         8,                    /* bitsize */
         false,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_dont,/* complain_on_overflow */
         bfd_elf_generic_reloc, /* special_function */
         "R_V850_8",         /* name */
         true,                  /* partial_inplace */
         0xff,                /* src_mask */
         0xff,                /* dst_mask */
         false),                /* pcrel_offset */
};

/* Map BFD reloc types to V850 ELF reloc types.  */

struct v850_reloc_map
{
  unsigned char bfd_reloc_val;
  unsigned char elf_reloc_val;
};

static const struct v850_reloc_map v850_reloc_map[] =
{
  { BFD_RELOC_NONE, R_V850_NONE, },
  { BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL, },
  { BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL, },
  { BFD_RELOC_HI16_S, R_V850_HI16_S, },
  { BFD_RELOC_HI16, R_V850_HI16, },
  { BFD_RELOC_LO16, R_V850_LO16, },
  { BFD_RELOC_32, R_V850_32, },
  { BFD_RELOC_16, R_V850_16, },
  { BFD_RELOC_8, R_V850_8, },
};

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 (v850_reloc_map) / sizeof (struct v850_reloc_map);
       i++)
    {
      if (v850_reloc_map[i].bfd_reloc_val == code)
	return &elf_v850_howto_table[v850_reloc_map[i].elf_reloc_val];
    }

  return NULL;
}

/* Set the howto pointer for an V850 ELF reloc.  */

static void
v850_info_to_howto_rel (abfd, cache_ptr, dst)
     bfd *abfd;
     arelent *cache_ptr;
     Elf32_Internal_Rel *dst;
{
  unsigned int r_type;

  r_type = ELF32_R_TYPE (dst->r_info);
  BFD_ASSERT (r_type < (unsigned int) R_V850_max);
  cache_ptr->howto = &elf_v850_howto_table[r_type];
}

static bfd_reloc_status_type
bfd_elf32_v850_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, insn;

      /* 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;
	}

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

      if (reloc->howto->type == R_V850_22_PCREL)
	{
	  if (relocation > 0x1ffff || relocation < -0x200000)
	    return bfd_reloc_overflow;

	  if ((relocation % 2) != 0)
	    return bfd_reloc_dangerous;

	  insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc->address);
	  insn &= ~0xfffe003f;
	  insn |= (((relocation & 0xfffe) << 16)
		   | ((relocation & 0x3f0000) >> 16));
	  bfd_put_32 (abfd, insn, (bfd_byte *)data + reloc->address);
	  return bfd_reloc_ok;
	}
      else if (reloc->howto->type == R_V850_9_PCREL)
	{
	  if (relocation > 0xff || relocation < -0x100)
	    return bfd_reloc_overflow;

	  if ((relocation % 2) != 0)
	    return bfd_reloc_dangerous;

	  insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
	  insn &= 0xf870;
	  insn |= ((relocation & 0x1f0) << 7) | ((relocation & 0x0e) << 3);
	  bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address);
	  return bfd_reloc_ok;
	}
      else if (reloc->howto->type == R_V850_HI16_S)
	{
	  relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
	  relocation = (relocation >> 16) + ((relocation & 0x8000) != 0);
	  bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address);
	  return bfd_reloc_ok;
	}
      else if (reloc->howto->type == R_V850_HI16)
	{
	  relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
	  relocation = (relocation >> 16);
	  bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address);
	  return bfd_reloc_ok;
	}
    }

  return bfd_reloc_continue;
}

static boolean bfd_elf32_v850_is_local_label PARAMS ((bfd *, asymbol *));

/*ARGSUSED*/
static boolean
bfd_elf32_v850_is_local_label (abfd, symbol)
     bfd *abfd;
     asymbol *symbol;
{
  return ((symbol->name[0] == '.' && (symbol->name[1] == 'L' || symbol->name[1] == '.'))
	  || (symbol->name[0] == '_' && symbol->name[1] == '.' && symbol->name[2] == 'L'
	      && symbol->name[3] == '_'));
}

#define bfd_elf32_bfd_is_local_label	bfd_elf32_v850_is_local_label

#define TARGET_LITTLE_SYM		bfd_elf32_v850_vec
#define TARGET_LITTLE_NAME		"elf32-v850"
#define ELF_ARCH		bfd_arch_v850
#define ELF_MACHINE_CODE	EM_CYGNUS_V850
#define ELF_MAXPAGESIZE		0x1000

#define elf_info_to_howto	0
#define elf_info_to_howto_rel	v850_info_to_howto_rel

#define elf_symbol_leading_char '_'

#include "elf32-target.h"
Commit	Line	Data
01b49cb3 C	1	/* V850-specific support for 32-bit ELF
	2	Copyright (C) 1994, 1995 Free Software Foundation, Inc.
	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));
	27	static void v850_info_to_howto_rel
	28	PARAMS ((bfd , arelent , Elf32_Internal_Rel *));
e73b6ae6 JL	29	static bfd_reloc_status_type bfd_elf32_v850_reloc
	30	PARAMS ((bfd , arelent , asymbol , PTR, asection , bfd , char *));
	31
01b49cb3 C	32
	33
	34	/* Try to minimize the amount of space occupied by relocation tables
	35	on the ROM (not that the ROM won't be swamped by other ELF overhead). */
	36	#define USE_REL
	37
	38	enum reloc_type
	39	{
	40	R_V850_NONE = 0,
	41	R_V850_9_PCREL,
	42	R_V850_22_PCREL,
	43	R_V850_HI16_S,
	44	R_V850_HI16,
	45	R_V850_LO16,
237b5c4c JL	46	R_V850_32,
	47	R_V850_16,
	48	R_V850_8,
01b49cb3 C	49	R_V850_max
	50	};
	51
	52	static reloc_howto_type elf_v850_howto_table[] =
	53	{
	54	/* This reloc does nothing. */
	55	HOWTO (R_V850_NONE, /* type */
	56	0, /* rightshift */
	57	2, /* size (0 = byte, 1 = short, 2 = long) */
	58	32, /* bitsize */
	59	false, /* pc_relative */
	60	0, /* bitpos */
	61	complain_overflow_bitfield, /* complain_on_overflow */
	62	bfd_elf_generic_reloc, /* special_function */
	63	"R_V850_NONE", /* name */
	64	false, /* partial_inplace */
	65	0, /* src_mask */
	66	0, /* dst_mask */
	67	false), /* pcrel_offset */
	68
	69	/* A PC relative 9 bit branch. */
	70	HOWTO (R_V850_9_PCREL, /* type */
	71	2, /* rightshift */
	72	2, /* size (0 = byte, 1 = short, 2 = long) */
	73	26, /* bitsize */
	74	true, /* pc_relative */
	75	0, /* bitpos */
	76	complain_overflow_bitfield, /* complain_on_overflow */
e73b6ae6	77	bfd_elf32_v850_reloc, /* special_function */
01b49cb3 C	78	"R_V850_9_PCREL", /* name */
	79	false, /* partial_inplace */
	80	0x00ffffff, /* src_mask */
	81	0x00ffffff, /* dst_mask */
	82	true), /* pcrel_offset */
	83
	84	/* A PC relative 22 bit branch. */
	85	HOWTO (R_V850_22_PCREL, /* type */
	86	2, /* rightshift */
	87	2, /* size (0 = byte, 1 = short, 2 = long) */
	88	22, /* bitsize */
	89	true, /* pc_relative */
	90	7, /* bitpos */
	91	complain_overflow_signed, /* complain_on_overflow */
e73b6ae6	92	bfd_elf32_v850_reloc, /* special_function */
01b49cb3 C	93	"R_V850_22_PCREL", /* name */
	94	false, /* partial_inplace */
	95	0x07ffff80, /* src_mask */
	96	0x07ffff80, /* dst_mask */
	97	true), /* pcrel_offset */
	98
	99	/* High 16 bits of symbol value. */
	100	HOWTO (R_V850_HI16_S, /* type */
	101	0, /* rightshift */
	102	1, /* size (0 = byte, 1 = short, 2 = long) */
	103	16, /* bitsize */
	104	false, /* pc_relative */
e73b6ae6	105	0, /* bitpos */
01b49cb3	106	complain_overflow_dont,/* complain_on_overflow */
e73b6ae6	107	bfd_elf32_v850_reloc, /* special_function */
01b49cb3 C	108	"R_V850_HI16_S", /* name */
	109	true, /* partial_inplace */
	110	0xffff, /* src_mask */
	111	0xffff, /* dst_mask */
	112	false), /* pcrel_offset */
	113
	114	/* High 16 bits of symbol value. */
	115	HOWTO (R_V850_HI16, /* type */
	116	0, /* rightshift */
	117	1, /* size (0 = byte, 1 = short, 2 = long) */
	118	16, /* bitsize */
	119	false, /* pc_relative */
e73b6ae6	120	0, /* bitpos */
01b49cb3	121	complain_overflow_dont,/* complain_on_overflow */
e73b6ae6	122	bfd_elf32_v850_reloc, /* special_function */
01b49cb3 C	123	"R_V850_HI16", /* name */
	124	true, /* partial_inplace */
	125	0xffff, /* src_mask */
	126	0xffff, /* dst_mask */
	127	false), /* pcrel_offset */
	128
	129	/* Low 16 bits of symbol value. */
	130	HOWTO (R_V850_LO16, /* type */
	131	0, /* rightshift */
	132	1, /* size (0 = byte, 1 = short, 2 = long) */
	133	16, /* bitsize */
	134	false, /* pc_relative */
e73b6ae6	135	0, /* bitpos */
01b49cb3 C	136	complain_overflow_dont,/* complain_on_overflow */
	137	bfd_elf_generic_reloc, /* special_function */
	138	"R_V850_LO16", /* name */
	139	true, /* partial_inplace */
	140	0xffff, /* src_mask */
	141	0xffff, /* dst_mask */
	142	false), /* pcrel_offset */
237b5c4c JL	143
	144	/* Simple 32bit reloc. */
	145	HOWTO (R_V850_32, /* type */
	146	0, /* rightshift */
	147	2, /* size (0 = byte, 1 = short, 2 = long) */
	148	32, /* bitsize */
	149	false, /* pc_relative */
	150	0, /* bitpos */
	151	complain_overflow_dont,/* complain_on_overflow */
	152	bfd_elf_generic_reloc, /* special_function */
	153	"R_V850_32", /* name */
e73b6ae6 JL	154	true, /* partial_inplace */
e73b6ae6 JL	155	0xffffffff, /* src_mask */
237b5c4c JL	156	0xffffffff, /* dst_mask */
	157	false), /* pcrel_offset */
	158
	159	/* Simple 16bit reloc. */
	160	HOWTO (R_V850_16, /* type */
	161	0, /* rightshift */
	162	1, /* size (0 = byte, 1 = short, 2 = long) */
	163	16, /* bitsize */
	164	false, /* pc_relative */
	165	0, /* bitpos */
	166	complain_overflow_dont,/* complain_on_overflow */
	167	bfd_elf_generic_reloc, /* special_function */
	168	"R_V850_16", /* name */
e73b6ae6 JL	169	true, /* partial_inplace */
e73b6ae6 JL	170	0xffff, /* src_mask */
237b5c4c JL	171	0xffff, /* dst_mask */
	172	false), /* pcrel_offset */
	173
	174	/* Simple 8bit reloc. */
	175	HOWTO (R_V850_8, /* type */
	176	0, /* rightshift */
	177	0, /* size (0 = byte, 1 = short, 2 = long) */
	178	8, /* bitsize */
	179	false, /* pc_relative */
	180	0, /* bitpos */
	181	complain_overflow_dont,/* complain_on_overflow */
	182	bfd_elf_generic_reloc, /* special_function */
	183	"R_V850_8", /* name */
e73b6ae6 JL	184	true, /* partial_inplace */
e73b6ae6 JL	185	0xff, /* src_mask */
237b5c4c JL	186	0xff, /* dst_mask */
237b5c4c JL	187	false), /* pcrel_offset */
01b49cb3 C	188	};
	189
	190	/* Map BFD reloc types to V850 ELF reloc types. */
	191
	192	struct v850_reloc_map
	193	{
	194	unsigned char bfd_reloc_val;
	195	unsigned char elf_reloc_val;
	196	};
	197
	198	static const struct v850_reloc_map v850_reloc_map[] =
	199	{
	200	{ BFD_RELOC_NONE, R_V850_NONE, },
	201	{ BFD_RELOC_V850_9_PCREL, R_V850_9_PCREL, },
	202	{ BFD_RELOC_V850_22_PCREL, R_V850_22_PCREL, },
	203	{ BFD_RELOC_HI16_S, R_V850_HI16_S, },
	204	{ BFD_RELOC_HI16, R_V850_HI16, },
	205	{ BFD_RELOC_LO16, R_V850_LO16, },
237b5c4c JL	206	{ BFD_RELOC_32, R_V850_32, },
	207	{ BFD_RELOC_16, R_V850_16, },
	208	{ BFD_RELOC_8, R_V850_8, },
01b49cb3 C	209	};
	210
	211	static reloc_howto_type *
	212	bfd_elf32_bfd_reloc_type_lookup (abfd, code)
	213	bfd *abfd;
	214	bfd_reloc_code_real_type code;
	215	{
	216	unsigned int i;
	217
	218	for (i = 0;
	219	i < sizeof (v850_reloc_map) / sizeof (struct v850_reloc_map);
	220	i++)
	221	{
	222	if (v850_reloc_map[i].bfd_reloc_val == code)
	223	return &elf_v850_howto_table[v850_reloc_map[i].elf_reloc_val];
	224	}
	225
	226	return NULL;
	227	}
	228
	229	/* Set the howto pointer for an V850 ELF reloc. */
	230
	231	static void
	232	v850_info_to_howto_rel (abfd, cache_ptr, dst)
	233	bfd *abfd;
	234	arelent *cache_ptr;
	235	Elf32_Internal_Rel *dst;
	236	{
	237	unsigned int r_type;
	238
	239	r_type = ELF32_R_TYPE (dst->r_info);
	240	BFD_ASSERT (r_type < (unsigned int) R_V850_max);
	241	cache_ptr->howto = &elf_v850_howto_table[r_type];
	242	}
	243
e73b6ae6 JL	244	static bfd_reloc_status_type
	245	bfd_elf32_v850_reloc (abfd, reloc, symbol, data, isection, obfd, err)
	246	bfd *abfd;
	247	arelent *reloc;
	248	asymbol *symbol;
	249	PTR data;
	250	asection *isection;
	251	bfd *obfd;
	252	char **err;
	253	{
	254	if (obfd != (bfd *) NULL
	255	&& (symbol->flags & BSF_SECTION_SYM) == 0
	256	&& (! reloc->howto->partial_inplace
	257	\|\| reloc->addend == 0))
	258	{
	259	reloc->address += isection->output_offset;
	260	return bfd_reloc_ok;
	261	}
	262	else if (obfd != NULL)
	263	{
	264	return bfd_reloc_continue;
	265	}
	266
05f1baaa JL	267	/* Catch relocs involving undefined symbols. */
	268	if (bfd_is_und_section (symbol->section)
	269	&& (symbol->flags & BSF_WEAK) == 0
	270	&& obfd == NULL)
	271	return bfd_reloc_undefined;
	272
e73b6ae6 JL	273	/* We handle final linking of some relocs ourselves. */
	274	{
	275	long relocation, insn;
	276
	277	/* Is the address of the relocation really within the section? */
	278	if (reloc->address > isection->_cooked_size)
	279	return bfd_reloc_outofrange;
	280
	281	/* Work out which section the relocation is targetted at and the
	282	initial relocation command value. */
	283
	284	/* Get symbol value. (Common symbols are special.) */
	285	if (bfd_is_com_section (symbol->section))
	286	relocation = 0;
	287	else
	288	relocation = symbol->value;
	289
	290	/* Convert input-section-relative symbol value to absolute + addend. */
	291	relocation += symbol->section->output_section->vma;
	292	relocation += symbol->section->output_offset;
	293	relocation += reloc->addend;
	294
	295	if (reloc->howto->pc_relative == true)
	296	{
	297	/* Here the variable relocation holds the final address of the
	298	symbol we are relocating against, plus any addend. */
	299	relocation -= isection->output_section->vma + isection->output_offset;
	300
	301	/* Deal with pcrel_offset */
	302	relocation -= reloc->address;
	303	}
	304
	305	/* I've got no clue... */
	306	reloc->addend = 0;
	307
	308	if (reloc->howto->type == R_V850_22_PCREL)
	309	{
	310	if (relocation > 0x1ffff \|\| relocation < -0x200000)
	311	return bfd_reloc_overflow;
	312
	313	if ((relocation % 2) != 0)
	314	return bfd_reloc_dangerous;
	315
	316	insn = bfd_get_32 (abfd, (bfd_byte *) data + reloc->address);
e1d98a0a	317	insn &= ~0xfffe003f;
e73b6ae6 JL	318	insn \|= (((relocation & 0xfffe) << 16)
	319	\| ((relocation & 0x3f0000) >> 16));
	320	bfd_put_32 (abfd, insn, (bfd_byte *)data + reloc->address);
	321	return bfd_reloc_ok;
	322	}
	323	else if (reloc->howto->type == R_V850_9_PCREL)
	324	{
	325	if (relocation > 0xff \|\| relocation < -0x100)
	326	return bfd_reloc_overflow;
	327
	328	if ((relocation % 2) != 0)
	329	return bfd_reloc_dangerous;
	330
	331	insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
e1d98a0a	332	insn &= 0xf870;
e73b6ae6 JL	333	insn \|= ((relocation & 0x1f0) << 7) \| ((relocation & 0x0e) << 3);
	334	bfd_put_16 (abfd, insn, (bfd_byte *)data + reloc->address);
	335	return bfd_reloc_ok;
	336	}
	337	else if (reloc->howto->type == R_V850_HI16_S)
	338	{
1336da39	339	relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
e73b6ae6 JL	340	relocation = (relocation >> 16) + ((relocation & 0x8000) != 0);
	341	bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address);
	342	return bfd_reloc_ok;
	343	}
	344	else if (reloc->howto->type == R_V850_HI16)
	345	{
1336da39	346	relocation += bfd_get_16 (abfd, (bfd_byte *) data + reloc->address);
e73b6ae6 JL	347	relocation = (relocation >> 16);
	348	bfd_put_16 (abfd, relocation, (bfd_byte *)data + reloc->address);
	349	return bfd_reloc_ok;
	350	}
	351	}
	352
	353	return bfd_reloc_continue;
	354	}
	355
1336da39 SG	356	static boolean bfd_elf32_v850_is_local_label PARAMS ((bfd , asymbol ));
	357
	358	/ARGSUSED/
	359	static boolean
	360	bfd_elf32_v850_is_local_label (abfd, symbol)
	361	bfd *abfd;
	362	asymbol *symbol;
	363	{
	364	return ((symbol->name[0] == '.' && (symbol->name[1] == 'L' \|\| symbol->name[1] == '.'))
	365	\|\| (symbol->name[0] == '_' && symbol->name[1] == '.' && symbol->name[2] == 'L'
	366	&& symbol->name[3] == '_'));
	367	}
	368
	369	#define bfd_elf32_bfd_is_local_label bfd_elf32_v850_is_local_label
	370
e73b6ae6 JL	371	#define TARGET_LITTLE_SYM bfd_elf32_v850_vec
e73b6ae6 JL	372	#define TARGET_LITTLE_NAME "elf32-v850"
01b49cb3 C	373	#define ELF_ARCH bfd_arch_v850
	374	#define ELF_MACHINE_CODE EM_CYGNUS_V850
	375	#define ELF_MAXPAGESIZE 0x1000
	376
	377	#define elf_info_to_howto 0
	378	#define elf_info_to_howto_rel v850_info_to_howto_rel
	379
1336da39 SG	380	#define elf_symbol_leading_char '_'
1336da39 SG	381
01b49cb3	382	#include "elf32-target.h"