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

/* picoJava specific support for 32-bit ELF
   Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
   Contributed by Steve Chamberlan of Transmeta (sac@pobox.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 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */

#include "bfd.h"
#include "sysdep.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/pj.h"

static bfd_reloc_status_type pj_elf_reloc
  PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static reloc_howto_type *pj_elf_reloc_type_lookup
  PARAMS ((bfd *, bfd_reloc_code_real_type));
static void pj_elf_info_to_howto
  PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
static void pj_elf_final_write_processing
  PARAMS ((bfd *, bfd_boolean));

static reloc_howto_type pj_elf_howto_table[] =
{
  /* No relocation.  */
  HOWTO (R_PJ_NONE,		/* type */
	 0,			/* rightshift */
	 0,			/* size (0 = byte, 1 = short, 2 = long) */
	 0,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_dont, /* complain_on_overflow */
	 pj_elf_reloc,		/* special_function */
	 "R_PJ_NONE",		/* name */
	 FALSE,			/* partial_inplace */
	 0,			/* src_mask */
	 0,			/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* 32 bit absolute relocation.  Setting partial_inplace to TRUE and
     src_mask to a non-zero value is similar to the COFF toolchain.  */
  HOWTO (R_PJ_DATA_DIR32,		/* type */
	 0,			/* rightshift */
	 2,			/* size (0 = byte, 1 = short, 2 = long) */
	 32,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_bitfield, /* complain_on_overflow */
	 pj_elf_reloc,		/* special_function */
	 "R_PJ_DIR32",		/* name */
	 TRUE,			/* partial_inplace */
	 0xffffffff,		/* src_mask */
	 0xffffffff,		/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* 32 bit PC relative relocation.  */
  HOWTO (R_PJ_CODE_REL32,		/* type */
	 0,			/* rightshift */
	 2,			/* size (0 = byte, 1 = short, 2 = long) */
	 32,			/* bitsize */
	 TRUE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_signed, /* complain_on_overflow */
	 pj_elf_reloc,		/* special_function */
	 "R_PJ_REL32",		/* name */
	 FALSE,			/* partial_inplace */
	 0,			/* src_mask */
	 0xffffffff,		/* dst_mask */
	 TRUE),			/* pcrel_offset */

/* 16 bit PC relative relocation.  */
  HOWTO (R_PJ_CODE_REL16,		/* type */
	 0,			/* rightshift */
	 1,			/* size (0 = byte, 1 = short, 2 = long) */
	 16,			/* bitsize */
	 TRUE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_signed, /* complain_on_overf6w */
	 pj_elf_reloc,		/* special_function */
	 "R_PJ_REL16",		/* name */
	 FALSE,			/* partial_inplace */
	 0xffff,		/* src_mask */
	 0xffff,		/* dst_mask */
	 TRUE),			/* pcrel_offset */
  EMPTY_HOWTO (4),
  EMPTY_HOWTO (5),
  HOWTO (R_PJ_CODE_DIR32,	/* type */
	 0,			/* rightshift */
	 2,			/* size (0 = byte, 1 = short, 2 = long) */
	 32,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_bitfield, /* complain_on_overflow */
	 pj_elf_reloc,		/* special_function */
	 "R_PJ_CODE_DIR32",	/* name */
	 TRUE,			/* partial_inplace */
	 0xffffffff,		/* src_mask */
	 0xffffffff,		/* dst_mask */
	 FALSE),		/* pcrel_offset */

  EMPTY_HOWTO (7),
  EMPTY_HOWTO (8),
  EMPTY_HOWTO (9),
  EMPTY_HOWTO (10),
  EMPTY_HOWTO (11),
  EMPTY_HOWTO (12),

  HOWTO (R_PJ_CODE_LO16,	/* type */
	 0,			/* rightshift */
	 1,			/* size (0 = byte, 1 = short, 2 = long) */
	 16,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_unsigned, /* complain_on_overflow */
	 pj_elf_reloc,		/* special_function */
	 "R_PJ_LO16",		/* name */
	 FALSE,			/* partial_inplace */
	 0xffff,		/* src_mask */
	 0xffff,		/* dst_mask */
	 TRUE),			/* pcrel_offset */

    HOWTO (R_PJ_CODE_HI16,	/* type */
	 16,			/* rightshift */
	 1,			/* size (0 = byte, 1 = short, 2 = long) */
	 16,			/* bitsize */
	 FALSE,			/* pc_relative */
	 0,			/* bitpos */
	 complain_overflow_unsigned, /* complain_on_overflow */
	 pj_elf_reloc,		/* special_function */
	 "R_PJ_HI16",		/* name */
	 FALSE,			/* partial_inplace */
	 0xffff,		/* src_mask */
	 0xffff,		/* dst_mask */
	 TRUE),			/* pcrel_offset */

  /* GNU extension to record C++ vtable hierarchy */
  HOWTO (R_PJ_GNU_VTINHERIT,    /* type */
         0,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         0,                     /* bitsize */
         FALSE,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_dont, /* complain_on_overflow */
         NULL,                  /* special_function */
         "R_PJ_GNU_VTINHERIT",  /* name */
         FALSE,                 /* partial_inplace */
         0,                     /* src_mask */
         0,                     /* dst_mask */
         FALSE),                /* pcrel_offset */

  /* GNU extension to record C++ vtable member usage */
  HOWTO (R_PJ_GNU_VTENTRY,     /* type */
         0,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
         0,                     /* bitsize */
         FALSE,                 /* pc_relative */
         0,                     /* bitpos */
         complain_overflow_dont, /* complain_on_overflow */
         _bfd_elf_rel_vtable_reloc_fn,  /* special_function */
         "R_PJ_GNU_VTENTRY",   /* name */
         FALSE,                 /* partial_inplace */
         0,                     /* src_mask */
         0,                     /* dst_mask */
         FALSE),                /* pcrel_offset */
};

/* This function is used for normal relocs.  This is like the COFF
   function, and is almost certainly incorrect for other ELF targets.  */

static bfd_reloc_status_type
pj_elf_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
	  error_message)
     bfd *abfd;
     arelent *reloc_entry;
     asymbol *symbol_in;
     PTR data;
     asection *input_section;
     bfd *output_bfd;
     char **error_message ATTRIBUTE_UNUSED;
{
  unsigned long insn;
  bfd_vma sym_value;
  enum elf_pj_reloc_type r_type;
  bfd_vma addr = reloc_entry->address;
  bfd_byte *hit_data = addr + (bfd_byte *) data;

  r_type = (enum elf_pj_reloc_type) reloc_entry->howto->type;

  if (output_bfd != NULL)
    {
      /* Partial linking--do nothing.  */
      reloc_entry->address += input_section->output_offset;
      return bfd_reloc_ok;
    }

  if (symbol_in != NULL
      && bfd_is_und_section (symbol_in->section))
    return bfd_reloc_undefined;

  if (bfd_is_com_section (symbol_in->section))
    sym_value = 0;
  else
    sym_value = (symbol_in->value +
		 symbol_in->section->output_section->vma +
		 symbol_in->section->output_offset);

  switch (r_type)
    {
    case R_PJ_DATA_DIR32:
      insn = bfd_get_32 (abfd, hit_data);
      insn += sym_value + reloc_entry->addend;
      bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
      break;

      /* Relocations in code are always bigendian, no matter what the
	 data endianness is.  */

    case R_PJ_CODE_DIR32:
      insn = bfd_getb32 (hit_data);
      insn += sym_value + reloc_entry->addend;
      bfd_putb32 ((bfd_vma) insn, hit_data);
      break;

    case R_PJ_CODE_REL16:
      insn = bfd_getb16 (hit_data);
      insn += sym_value + reloc_entry->addend
        -  (input_section->output_section->vma
            + input_section->output_offset);
      bfd_putb16 ((bfd_vma) insn, hit_data);
      break;
    case R_PJ_CODE_LO16:
      insn = bfd_getb16 (hit_data);
      insn += sym_value + reloc_entry->addend;
      bfd_putb16 ((bfd_vma) insn, hit_data);
      break;

    case R_PJ_CODE_HI16:
      insn = bfd_getb16 (hit_data);
      insn += (sym_value + reloc_entry->addend) >> 16;
      bfd_putb16 ((bfd_vma) insn, hit_data);
      break;

    default:
      abort ();
      break;
    }

  return bfd_reloc_ok;
}

/* This structure is used to map BFD reloc codes to PJ ELF relocs.  */

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

/* An array mapping BFD reloc codes to PJ ELF relocs.  */

static const struct elf_reloc_map pj_reloc_map[] =
{
    { BFD_RELOC_NONE, 		R_PJ_NONE          },
    { BFD_RELOC_32, 		R_PJ_DATA_DIR32    },
    { BFD_RELOC_PJ_CODE_DIR16, 	R_PJ_CODE_DIR16    },
    { BFD_RELOC_PJ_CODE_DIR32, 	R_PJ_CODE_DIR32    },
    { BFD_RELOC_PJ_CODE_LO16, 	R_PJ_CODE_LO16     },
    { BFD_RELOC_PJ_CODE_HI16, 	R_PJ_CODE_HI16     },
    { BFD_RELOC_PJ_CODE_REL32,  R_PJ_CODE_REL32    },
    { BFD_RELOC_PJ_CODE_REL16,  R_PJ_CODE_REL16    },
    { BFD_RELOC_VTABLE_INHERIT, R_PJ_GNU_VTINHERIT },
    { BFD_RELOC_VTABLE_ENTRY,   R_PJ_GNU_VTENTRY   },
};

/* Given a BFD reloc code, return the howto structure for the
   corresponding PJ ELf reloc.  */

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

  for (i = 0; i < sizeof (pj_reloc_map) / sizeof (struct elf_reloc_map); i++)
    {
      if (pj_reloc_map[i].bfd_reloc_val == code)
	return &pj_elf_howto_table[(int) pj_reloc_map[i].elf_reloc_val];
    }

  return NULL;
}

/* Given an ELF reloc, fill in the howto field of a relent.  */

static void
pj_elf_info_to_howto (abfd, cache_ptr, dst)
     bfd *abfd ATTRIBUTE_UNUSED;
     arelent *cache_ptr;
     Elf_Internal_Rela *dst;
{
  unsigned int r;

  r = ELF32_R_TYPE (dst->r_info);

  BFD_ASSERT (r < (unsigned int) R_PJ_max);

  cache_ptr->howto = &pj_elf_howto_table[r];
}

/* Take this moment to fill in the special picoJava bits in the
   e_flags field.  */

static void
pj_elf_final_write_processing (abfd, linker)
     bfd *abfd;
     bfd_boolean linker ATTRIBUTE_UNUSED;
{
    elf_elfheader (abfd)->e_flags |= EF_PICOJAVA_ARCH;
    elf_elfheader (abfd)->e_flags |= EF_PICOJAVA_GNUCALLS;
}

#define TARGET_BIG_SYM		bfd_elf32_pj_vec
#define TARGET_BIG_NAME		"elf32-pj"
#define TARGET_LITTLE_SYM	bfd_elf32_pjl_vec
#define TARGET_LITTLE_NAME	"elf32-pjl"
#define ELF_ARCH		bfd_arch_pj
#define ELF_MACHINE_CODE	EM_PJ
#define ELF_MACHINE_ALT1	EM_PJ_OLD
#define ELF_MAXPAGESIZE		0x1000
#define bfd_elf32_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define bfd_elf32_bfd_reloc_type_lookup	             pj_elf_reloc_type_lookup
#define elf_backend_final_write_processing           pj_elf_final_write_processing
#define elf_info_to_howto		             pj_elf_info_to_howto
#include "elf32-target.h"
Commit	Line	Data
0bcb993b	1	/* picoJava specific support for 32-bit ELF
b34976b6	2	Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
0bcb993b ILT	3	Contributed by Steve Chamberlan of Transmeta (sac@pobox.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 2 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
3e110533	19	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
0bcb993b ILT	20
	21	#include "bfd.h"
	22	#include "sysdep.h"
	23	#include "bfdlink.h"
	24	#include "libbfd.h"
	25	#include "elf-bfd.h"
	26	#include "elf/pj.h"
	27
	28	static bfd_reloc_status_type pj_elf_reloc
	29	PARAMS ((bfd , arelent , asymbol , PTR, asection , bfd , char *));
	30	static reloc_howto_type *pj_elf_reloc_type_lookup
	31	PARAMS ((bfd *, bfd_reloc_code_real_type));
	32	static void pj_elf_info_to_howto
	33	PARAMS ((bfd , arelent , Elf_Internal_Rela *));
42ef282f	34	static void pj_elf_final_write_processing
b34976b6	35	PARAMS ((bfd *, bfd_boolean));
0bcb993b ILT	36
	37	static reloc_howto_type pj_elf_howto_table[] =
	38	{
	39	/* No relocation. */
	40	HOWTO (R_PJ_NONE, /* type */
	41	0, /* rightshift */
	42	0, /* size (0 = byte, 1 = short, 2 = long) */
	43	0, /* bitsize */
b34976b6	44	FALSE, /* pc_relative */
0bcb993b ILT	45	0, /* bitpos */
	46	complain_overflow_dont, /* complain_on_overflow */
	47	pj_elf_reloc, /* special_function */
	48	"R_PJ_NONE", /* name */
b34976b6	49	FALSE, /* partial_inplace */
0bcb993b ILT	50	0, /* src_mask */
0bcb993b ILT	51	0, /* dst_mask */
b34976b6	52	FALSE), /* pcrel_offset */
0bcb993b	53
b34976b6	54	/* 32 bit absolute relocation. Setting partial_inplace to TRUE and
0bcb993b ILT	55	src_mask to a non-zero value is similar to the COFF toolchain. */
	56	HOWTO (R_PJ_DATA_DIR32, /* type */
	57	0, /* rightshift */
	58	2, /* size (0 = byte, 1 = short, 2 = long) */
	59	32, /* bitsize */
b34976b6	60	FALSE, /* pc_relative */
0bcb993b ILT	61	0, /* bitpos */
	62	complain_overflow_bitfield, /* complain_on_overflow */
	63	pj_elf_reloc, /* special_function */
	64	"R_PJ_DIR32", /* name */
b34976b6	65	TRUE, /* partial_inplace */
0bcb993b ILT	66	0xffffffff, /* src_mask */
0bcb993b ILT	67	0xffffffff, /* dst_mask */
b34976b6	68	FALSE), /* pcrel_offset */
0bcb993b ILT	69
	70	/* 32 bit PC relative relocation. */
	71	HOWTO (R_PJ_CODE_REL32, /* type */
	72	0, /* rightshift */
	73	2, /* size (0 = byte, 1 = short, 2 = long) */
	74	32, /* bitsize */
b34976b6	75	TRUE, /* pc_relative */
0bcb993b ILT	76	0, /* bitpos */
	77	complain_overflow_signed, /* complain_on_overflow */
	78	pj_elf_reloc, /* special_function */
	79	"R_PJ_REL32", /* name */
b34976b6	80	FALSE, /* partial_inplace */
0bcb993b ILT	81	0, /* src_mask */
0bcb993b ILT	82	0xffffffff, /* dst_mask */
b34976b6	83	TRUE), /* pcrel_offset */
0bcb993b ILT	84
	85	/* 16 bit PC relative relocation. */
	86	HOWTO (R_PJ_CODE_REL16, /* type */
	87	0, /* rightshift */
	88	1, /* size (0 = byte, 1 = short, 2 = long) */
	89	16, /* bitsize */
b34976b6	90	TRUE, /* pc_relative */
0bcb993b ILT	91	0, /* bitpos */
	92	complain_overflow_signed, /* complain_on_overf6w */
	93	pj_elf_reloc, /* special_function */
	94	"R_PJ_REL16", /* name */
b34976b6	95	FALSE, /* partial_inplace */
0bcb993b ILT	96	0xffff, /* src_mask */
0bcb993b ILT	97	0xffff, /* dst_mask */
b34976b6	98	TRUE), /* pcrel_offset */
0bcb993b ILT	99	EMPTY_HOWTO (4),
	100	EMPTY_HOWTO (5),
	101	HOWTO (R_PJ_CODE_DIR32, /* type */
	102	0, /* rightshift */
	103	2, /* size (0 = byte, 1 = short, 2 = long) */
	104	32, /* bitsize */
b34976b6	105	FALSE, /* pc_relative */
0bcb993b ILT	106	0, /* bitpos */
	107	complain_overflow_bitfield, /* complain_on_overflow */
	108	pj_elf_reloc, /* special_function */
	109	"R_PJ_CODE_DIR32", /* name */
b34976b6	110	TRUE, /* partial_inplace */
0bcb993b ILT	111	0xffffffff, /* src_mask */
0bcb993b ILT	112	0xffffffff, /* dst_mask */
b34976b6	113	FALSE), /* pcrel_offset */
0bcb993b ILT	114
	115	EMPTY_HOWTO (7),
	116	EMPTY_HOWTO (8),
	117	EMPTY_HOWTO (9),
	118	EMPTY_HOWTO (10),
	119	EMPTY_HOWTO (11),
	120	EMPTY_HOWTO (12),
	121
	122	HOWTO (R_PJ_CODE_LO16, /* type */
	123	0, /* rightshift */
	124	1, /* size (0 = byte, 1 = short, 2 = long) */
	125	16, /* bitsize */
b34976b6	126	FALSE, /* pc_relative */
0bcb993b ILT	127	0, /* bitpos */
	128	complain_overflow_unsigned, /* complain_on_overflow */
	129	pj_elf_reloc, /* special_function */
	130	"R_PJ_LO16", /* name */
b34976b6	131	FALSE, /* partial_inplace */
0bcb993b ILT	132	0xffff, /* src_mask */
0bcb993b ILT	133	0xffff, /* dst_mask */
b34976b6	134	TRUE), /* pcrel_offset */
0bcb993b	135
0bcb993b ILT	136	HOWTO (R_PJ_CODE_HI16, /* type */
	137	16, /* rightshift */
	138	1, /* size (0 = byte, 1 = short, 2 = long) */
	139	16, /* bitsize */
b34976b6	140	FALSE, /* pc_relative */
0bcb993b ILT	141	0, /* bitpos */
	142	complain_overflow_unsigned, /* complain_on_overflow */
	143	pj_elf_reloc, /* special_function */
	144	"R_PJ_HI16", /* name */
b34976b6	145	FALSE, /* partial_inplace */
0bcb993b ILT	146	0xffff, /* src_mask */
0bcb993b ILT	147	0xffff, /* dst_mask */
b34976b6	148	TRUE), /* pcrel_offset */
0bcb993b ILT	149
	150	/* GNU extension to record C++ vtable hierarchy */
	151	HOWTO (R_PJ_GNU_VTINHERIT, /* type */
	152	0, /* rightshift */
	153	2, /* size (0 = byte, 1 = short, 2 = long) */
	154	0, /* bitsize */
b34976b6	155	FALSE, /* pc_relative */
0bcb993b ILT	156	0, /* bitpos */
	157	complain_overflow_dont, /* complain_on_overflow */
	158	NULL, /* special_function */
	159	"R_PJ_GNU_VTINHERIT", /* name */
b34976b6	160	FALSE, /* partial_inplace */
0bcb993b ILT	161	0, /* src_mask */
0bcb993b ILT	162	0, /* dst_mask */
b34976b6	163	FALSE), /* pcrel_offset */
0bcb993b ILT	164
	165	/* GNU extension to record C++ vtable member usage */
	166	HOWTO (R_PJ_GNU_VTENTRY, /* type */
	167	0, /* rightshift */
	168	2, /* size (0 = byte, 1 = short, 2 = long) */
	169	0, /* bitsize */
b34976b6	170	FALSE, /* pc_relative */
0bcb993b ILT	171	0, /* bitpos */
	172	complain_overflow_dont, /* complain_on_overflow */
	173	_bfd_elf_rel_vtable_reloc_fn, /* special_function */
	174	"R_PJ_GNU_VTENTRY", /* name */
b34976b6	175	FALSE, /* partial_inplace */
0bcb993b ILT	176	0, /* src_mask */
0bcb993b ILT	177	0, /* dst_mask */
b34976b6	178	FALSE), /* pcrel_offset */
0bcb993b ILT	179	};
	180
	181	/* This function is used for normal relocs. This is like the COFF
	182	function, and is almost certainly incorrect for other ELF targets. */
	183
	184	static bfd_reloc_status_type
	185	pj_elf_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
	186	error_message)
	187	bfd *abfd;
	188	arelent *reloc_entry;
	189	asymbol *symbol_in;
	190	PTR data;
	191	asection *input_section;
	192	bfd *output_bfd;
	193	char **error_message ATTRIBUTE_UNUSED;
	194	{
	195	unsigned long insn;
	196	bfd_vma sym_value;
	197	enum elf_pj_reloc_type r_type;
	198	bfd_vma addr = reloc_entry->address;
	199	bfd_byte hit_data = addr + (bfd_byte ) data;
	200
	201	r_type = (enum elf_pj_reloc_type) reloc_entry->howto->type;
	202
	203	if (output_bfd != NULL)
	204	{
	205	/* Partial linking--do nothing. */
	206	reloc_entry->address += input_section->output_offset;
	207	return bfd_reloc_ok;
	208	}
	209
	210	if (symbol_in != NULL
	211	&& bfd_is_und_section (symbol_in->section))
	212	return bfd_reloc_undefined;
	213
	214	if (bfd_is_com_section (symbol_in->section))
c3668558 KH	215	sym_value = 0;
c3668558 KH	216	else
0bcb993b ILT	217	sym_value = (symbol_in->value +
	218	symbol_in->section->output_section->vma +
	219	symbol_in->section->output_offset);
	220
	221	switch (r_type)
	222	{
	223	case R_PJ_DATA_DIR32:
	224	insn = bfd_get_32 (abfd, hit_data);
	225	insn += sym_value + reloc_entry->addend;
dc810e39	226	bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
0bcb993b ILT	227	break;
	228
	229	/* Relocations in code are always bigendian, no matter what the
c3668558	230	data endianness is. */
0bcb993b ILT	231
	232	case R_PJ_CODE_DIR32:
	233	insn = bfd_getb32 (hit_data);
	234	insn += sym_value + reloc_entry->addend;
dc810e39	235	bfd_putb32 ((bfd_vma) insn, hit_data);
0bcb993b ILT	236	break;
	237
	238	case R_PJ_CODE_REL16:
	239	insn = bfd_getb16 (hit_data);
	240	insn += sym_value + reloc_entry->addend
	241	- (input_section->output_section->vma
	242	+ input_section->output_offset);
dc810e39	243	bfd_putb16 ((bfd_vma) insn, hit_data);
0bcb993b ILT	244	break;
	245	case R_PJ_CODE_LO16:
	246	insn = bfd_getb16 (hit_data);
	247	insn += sym_value + reloc_entry->addend;
dc810e39	248	bfd_putb16 ((bfd_vma) insn, hit_data);
0bcb993b ILT	249	break;
	250
	251	case R_PJ_CODE_HI16:
	252	insn = bfd_getb16 (hit_data);
	253	insn += (sym_value + reloc_entry->addend) >> 16;
dc810e39	254	bfd_putb16 ((bfd_vma) insn, hit_data);
0bcb993b	255	break;
c3668558	256
0bcb993b ILT	257	default:
	258	abort ();
	259	break;
	260	}
	261
	262	return bfd_reloc_ok;
	263	}
	264
	265	/* This structure is used to map BFD reloc codes to PJ ELF relocs. */
	266
	267	struct elf_reloc_map
	268	{
	269	bfd_reloc_code_real_type bfd_reloc_val;
	270	unsigned char elf_reloc_val;
	271	};
	272
	273	/* An array mapping BFD reloc codes to PJ ELF relocs. */
	274
	275	static const struct elf_reloc_map pj_reloc_map[] =
	276	{
	277	{ BFD_RELOC_NONE, R_PJ_NONE },
	278	{ BFD_RELOC_32, R_PJ_DATA_DIR32 },
	279	{ BFD_RELOC_PJ_CODE_DIR16, R_PJ_CODE_DIR16 },
	280	{ BFD_RELOC_PJ_CODE_DIR32, R_PJ_CODE_DIR32 },
	281	{ BFD_RELOC_PJ_CODE_LO16, R_PJ_CODE_LO16 },
	282	{ BFD_RELOC_PJ_CODE_HI16, R_PJ_CODE_HI16 },
	283	{ BFD_RELOC_PJ_CODE_REL32, R_PJ_CODE_REL32 },
	284	{ BFD_RELOC_PJ_CODE_REL16, R_PJ_CODE_REL16 },
	285	{ BFD_RELOC_VTABLE_INHERIT, R_PJ_GNU_VTINHERIT },
	286	{ BFD_RELOC_VTABLE_ENTRY, R_PJ_GNU_VTENTRY },
	287	};
	288
	289	/* Given a BFD reloc code, return the howto structure for the
	290	corresponding PJ ELf reloc. */
	291
	292	static reloc_howto_type *
	293	pj_elf_reloc_type_lookup (abfd, code)
	294	bfd *abfd ATTRIBUTE_UNUSED;
	295	bfd_reloc_code_real_type code;
	296	{
	297	unsigned int i;
c3668558	298
0bcb993b ILT	299	for (i = 0; i < sizeof (pj_reloc_map) / sizeof (struct elf_reloc_map); i++)
	300	{
	301	if (pj_reloc_map[i].bfd_reloc_val == code)
	302	return &pj_elf_howto_table[(int) pj_reloc_map[i].elf_reloc_val];
	303	}
	304
	305	return NULL;
	306	}
	307
	308	/* Given an ELF reloc, fill in the howto field of a relent. */
	309
	310	static void
	311	pj_elf_info_to_howto (abfd, cache_ptr, dst)
	312	bfd *abfd ATTRIBUTE_UNUSED;
	313	arelent *cache_ptr;
	314	Elf_Internal_Rela *dst;
	315	{
	316	unsigned int r;
	317
	318	r = ELF32_R_TYPE (dst->r_info);
	319
	320	BFD_ASSERT (r < (unsigned int) R_PJ_max);
	321
	322	cache_ptr->howto = &pj_elf_howto_table[r];
	323	}
	324
	325	/* Take this moment to fill in the special picoJava bits in the
c3668558	326	e_flags field. */
0bcb993b ILT	327
	328	static void
	329	pj_elf_final_write_processing (abfd, linker)
	330	bfd *abfd;
b34976b6	331	bfd_boolean linker ATTRIBUTE_UNUSED;
0bcb993b ILT	332	{
	333	elf_elfheader (abfd)->e_flags \|= EF_PICOJAVA_ARCH;
	334	elf_elfheader (abfd)->e_flags \|= EF_PICOJAVA_GNUCALLS;
	335	}
	336
	337	#define TARGET_BIG_SYM bfd_elf32_pj_vec
	338	#define TARGET_BIG_NAME "elf32-pj"
	339	#define TARGET_LITTLE_SYM bfd_elf32_pjl_vec
	340	#define TARGET_LITTLE_NAME "elf32-pjl"
	341	#define ELF_ARCH bfd_arch_pj
	342	#define ELF_MACHINE_CODE EM_PJ
aa4f99bb	343	#define ELF_MACHINE_ALT1 EM_PJ_OLD
0bcb993b ILT	344	#define ELF_MAXPAGESIZE 0x1000
	345	#define bfd_elf32_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
	346	#define bfd_elf32_bfd_reloc_type_lookup pj_elf_reloc_type_lookup
	347	#define elf_backend_final_write_processing pj_elf_final_write_processing
	348	#define elf_info_to_howto pj_elf_info_to_howto
	349	#include "elf32-target.h"