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

/* picoJava specific support for 32-bit ELF
   Copyright 1999, 2000, 2001 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 *, 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;
     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
dc810e39	2	Copyright 1999, 2000, 2001 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
	19	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
	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 NC	34	static void pj_elf_final_write_processing
42ef282f NC	35	PARAMS ((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 */
	44	false, /* pc_relative */
	45	0, /* bitpos */
	46	complain_overflow_dont, /* complain_on_overflow */
	47	pj_elf_reloc, /* special_function */
	48	"R_PJ_NONE", /* name */
	49	false, /* partial_inplace */
	50	0, /* src_mask */
	51	0, /* dst_mask */
	52	false), /* pcrel_offset */
	53
	54	/* 32 bit absolute relocation. Setting partial_inplace to true and
	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 */
	60	false, /* pc_relative */
	61	0, /* bitpos */
	62	complain_overflow_bitfield, /* complain_on_overflow */
	63	pj_elf_reloc, /* special_function */
	64	"R_PJ_DIR32", /* name */
	65	true, /* partial_inplace */
	66	0xffffffff, /* src_mask */
	67	0xffffffff, /* dst_mask */
	68	false), /* pcrel_offset */
	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 */
	75	true, /* pc_relative */
	76	0, /* bitpos */
	77	complain_overflow_signed, /* complain_on_overflow */
	78	pj_elf_reloc, /* special_function */
	79	"R_PJ_REL32", /* name */
	80	false, /* partial_inplace */
	81	0, /* src_mask */
	82	0xffffffff, /* dst_mask */
	83	true), /* pcrel_offset */
	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 */
	90	true, /* pc_relative */
	91	0, /* bitpos */
	92	complain_overflow_signed, /* complain_on_overf6w */
	93	pj_elf_reloc, /* special_function */
	94	"R_PJ_REL16", /* name */
	95	false, /* partial_inplace */
	96	0xffff, /* src_mask */
	97	0xffff, /* dst_mask */
	98	true), /* pcrel_offset */
	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 */
105	false, /* pc_relative */
106	0, /* bitpos */
107	complain_overflow_bitfield, /* complain_on_overflow */
108	pj_elf_reloc, /* special_function */
109	"R_PJ_CODE_DIR32", /* name */
110	true, /* partial_inplace */
111	0xffffffff, /* src_mask */
112	0xffffffff, /* dst_mask */
113	false), /* pcrel_offset */
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 */
126	false, /* pc_relative */
127	0, /* bitpos */
128	complain_overflow_unsigned, /* complain_on_overflow */
129	pj_elf_reloc, /* special_function */
130	"R_PJ_LO16", /* name */
131	false, /* partial_inplace */
132	0xffff, /* src_mask */
133	0xffff, /* dst_mask */
134	true), /* pcrel_offset */
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 */
	140	false, /* pc_relative */
	141	0, /* bitpos */
	142	complain_overflow_unsigned, /* complain_on_overflow */
	143	pj_elf_reloc, /* special_function */
	144	"R_PJ_HI16", /* name */
	145	false, /* partial_inplace */
	146	0xffff, /* src_mask */
	147	0xffff, /* dst_mask */
	148	true), /* pcrel_offset */
	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 */
	155	false, /* pc_relative */
	156	0, /* bitpos */
	157	complain_overflow_dont, /* complain_on_overflow */
	158	NULL, /* special_function */
	159	"R_PJ_GNU_VTINHERIT", /* name */
	160	false, /* partial_inplace */
	161	0, /* src_mask */
	162	0, /* dst_mask */
	163	false), /* pcrel_offset */
	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 */
	170	false, /* pc_relative */
	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 */
	175	false, /* partial_inplace */
	176	0, /* src_mask */
	177	0, /* dst_mask */
	178	false), /* pcrel_offset */
	179
0bcb993b ILT	180	};
	181
	182	/* This function is used for normal relocs. This is like the COFF
	183	function, and is almost certainly incorrect for other ELF targets. */
	184
	185	static bfd_reloc_status_type
	186	pj_elf_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
	187	error_message)
	188	bfd *abfd;
	189	arelent *reloc_entry;
	190	asymbol *symbol_in;
	191	PTR data;
	192	asection *input_section;
	193	bfd *output_bfd;
	194	char **error_message ATTRIBUTE_UNUSED;
	195	{
	196	unsigned long insn;
	197	bfd_vma sym_value;
	198	enum elf_pj_reloc_type r_type;
	199	bfd_vma addr = reloc_entry->address;
	200	bfd_byte hit_data = addr + (bfd_byte ) data;
	201
	202	r_type = (enum elf_pj_reloc_type) reloc_entry->howto->type;
	203
	204	if (output_bfd != NULL)
	205	{
	206	/* Partial linking--do nothing. */
	207	reloc_entry->address += input_section->output_offset;
	208	return bfd_reloc_ok;
	209	}
	210
	211	if (symbol_in != NULL
	212	&& bfd_is_und_section (symbol_in->section))
	213	return bfd_reloc_undefined;
	214
	215	if (bfd_is_com_section (symbol_in->section))
c3668558 KH	216	sym_value = 0;
c3668558 KH	217	else
0bcb993b ILT	218	sym_value = (symbol_in->value +
	219	symbol_in->section->output_section->vma +
	220	symbol_in->section->output_offset);
	221
	222	switch (r_type)
	223	{
	224	case R_PJ_DATA_DIR32:
	225	insn = bfd_get_32 (abfd, hit_data);
	226	insn += sym_value + reloc_entry->addend;
dc810e39	227	bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
0bcb993b ILT	228	break;
	229
	230	/* Relocations in code are always bigendian, no matter what the
c3668558	231	data endianness is. */
0bcb993b ILT	232
	233	case R_PJ_CODE_DIR32:
	234	insn = bfd_getb32 (hit_data);
	235	insn += sym_value + reloc_entry->addend;
dc810e39	236	bfd_putb32 ((bfd_vma) insn, hit_data);
0bcb993b ILT	237	break;
	238
	239	case R_PJ_CODE_REL16:
	240	insn = bfd_getb16 (hit_data);
	241	insn += sym_value + reloc_entry->addend
	242	- (input_section->output_section->vma
	243	+ input_section->output_offset);
dc810e39	244	bfd_putb16 ((bfd_vma) insn, hit_data);
0bcb993b ILT	245	break;
	246	case R_PJ_CODE_LO16:
	247	insn = bfd_getb16 (hit_data);
	248	insn += sym_value + reloc_entry->addend;
dc810e39	249	bfd_putb16 ((bfd_vma) insn, hit_data);
0bcb993b ILT	250	break;
	251
	252	case R_PJ_CODE_HI16:
	253	insn = bfd_getb16 (hit_data);
	254	insn += (sym_value + reloc_entry->addend) >> 16;
dc810e39	255	bfd_putb16 ((bfd_vma) insn, hit_data);
0bcb993b	256	break;
c3668558	257
0bcb993b ILT	258	default:
	259	abort ();
	260	break;
	261	}
	262
	263	return bfd_reloc_ok;
	264	}
	265
	266	/* This structure is used to map BFD reloc codes to PJ ELF relocs. */
	267
	268	struct elf_reloc_map
	269	{
	270	bfd_reloc_code_real_type bfd_reloc_val;
	271	unsigned char elf_reloc_val;
	272	};
	273
	274	/* An array mapping BFD reloc codes to PJ ELF relocs. */
	275
	276	static const struct elf_reloc_map pj_reloc_map[] =
	277	{
	278	{ BFD_RELOC_NONE, R_PJ_NONE },
	279	{ BFD_RELOC_32, R_PJ_DATA_DIR32 },
	280	{ BFD_RELOC_PJ_CODE_DIR16, R_PJ_CODE_DIR16 },
	281	{ BFD_RELOC_PJ_CODE_DIR32, R_PJ_CODE_DIR32 },
	282	{ BFD_RELOC_PJ_CODE_LO16, R_PJ_CODE_LO16 },
	283	{ BFD_RELOC_PJ_CODE_HI16, R_PJ_CODE_HI16 },
	284	{ BFD_RELOC_PJ_CODE_REL32, R_PJ_CODE_REL32 },
	285	{ BFD_RELOC_PJ_CODE_REL16, R_PJ_CODE_REL16 },
	286	{ BFD_RELOC_VTABLE_INHERIT, R_PJ_GNU_VTINHERIT },
	287	{ BFD_RELOC_VTABLE_ENTRY, R_PJ_GNU_VTENTRY },
	288	};
	289
	290	/* Given a BFD reloc code, return the howto structure for the
	291	corresponding PJ ELf reloc. */
	292
	293	static reloc_howto_type *
	294	pj_elf_reloc_type_lookup (abfd, code)
	295	bfd *abfd ATTRIBUTE_UNUSED;
	296	bfd_reloc_code_real_type code;
	297	{
	298	unsigned int i;
c3668558	299
0bcb993b ILT	300	for (i = 0; i < sizeof (pj_reloc_map) / sizeof (struct elf_reloc_map); i++)
	301	{
	302	if (pj_reloc_map[i].bfd_reloc_val == code)
	303	return &pj_elf_howto_table[(int) pj_reloc_map[i].elf_reloc_val];
	304	}
	305
	306	return NULL;
	307	}
	308
	309	/* Given an ELF reloc, fill in the howto field of a relent. */
	310
	311	static void
	312	pj_elf_info_to_howto (abfd, cache_ptr, dst)
	313	bfd *abfd ATTRIBUTE_UNUSED;
	314	arelent *cache_ptr;
	315	Elf_Internal_Rela *dst;
	316	{
	317	unsigned int r;
	318
	319	r = ELF32_R_TYPE (dst->r_info);
	320
	321	BFD_ASSERT (r < (unsigned int) R_PJ_max);
	322
	323	cache_ptr->howto = &pj_elf_howto_table[r];
	324	}
	325
	326	/* Take this moment to fill in the special picoJava bits in the
c3668558	327	e_flags field. */
0bcb993b ILT	328
	329	static void
	330	pj_elf_final_write_processing (abfd, linker)
	331	bfd *abfd;
	332	boolean linker ATTRIBUTE_UNUSED;
	333	{
	334	elf_elfheader (abfd)->e_flags \|= EF_PICOJAVA_ARCH;
	335	elf_elfheader (abfd)->e_flags \|= EF_PICOJAVA_GNUCALLS;
	336	}
	337
	338	#define TARGET_BIG_SYM bfd_elf32_pj_vec
	339	#define TARGET_BIG_NAME "elf32-pj"
	340	#define TARGET_LITTLE_SYM bfd_elf32_pjl_vec
	341	#define TARGET_LITTLE_NAME "elf32-pjl"
	342	#define ELF_ARCH bfd_arch_pj
	343	#define ELF_MACHINE_CODE EM_PJ
aa4f99bb	344	#define ELF_MACHINE_ALT1 EM_PJ_OLD
0bcb993b ILT	345	#define ELF_MAXPAGESIZE 0x1000
	346	#define bfd_elf32_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
	347	#define bfd_elf32_bfd_reloc_type_lookup pj_elf_reloc_type_lookup
	348	#define elf_backend_final_write_processing pj_elf_final_write_processing
	349	#define elf_info_to_howto pj_elf_info_to_howto
	350	#include "elf32-target.h"