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

/* moxie-specific support for 32-bit ELF.
   Copyright (C) 2009-2018 Free Software Foundation, Inc.

   Copied from elf32-fr30.c which is..
   Copyright (C) 1998-2018 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 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 "libbfd.h"
#include "elf-bfd.h"
#include "elf/moxie.h"

/* Forward declarations.  */

static reloc_howto_type moxie_elf_howto_table [] =
{
  /* This reloc does nothing.  */
  HOWTO (R_MOXIE_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_MOXIE_NONE",		/* name */
	 FALSE,			/* partial_inplace */
	 0,			/* src_mask */
	 0,			/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* A 32 bit absolute relocation.  */
  HOWTO (R_MOXIE_32,		/* 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_MOXIE_32",		/* name */
	 FALSE,			/* partial_inplace */
	 0x00000000,		/* src_mask */
	 0xffffffff,		/* dst_mask */
	 FALSE),		/* pcrel_offset */

  /* A 10 bit PC-relative relocation.  */
  HOWTO (R_MOXIE_PCREL10,	/* type.  */
	 1,			/* rightshift.  */
	 1,			/* size (0 = byte, 1 = short, 2 = long).  */
	 10,			/* bitsize.  */
	 TRUE,			/* pc_relative.  */
	 0,			/* bitpos.  */
	 complain_overflow_signed, /* complain_on_overflow.  */
	 bfd_elf_generic_reloc,	/* special_function.  */
	 "R_MOXIE_PCREL10",		/* name.  */
	 FALSE,			/* partial_inplace.  */
	 0,			/* src_mask.  */
	 0x000003FF,		/* dst_mask.  */
	 TRUE),			/* pcrel_offset.  */
};
\f
/* Map BFD reloc types to MOXIE ELF reloc types.  */

struct moxie_reloc_map
{
  bfd_reloc_code_real_type bfd_reloc_val;
  unsigned int moxie_reloc_val;
};

static const struct moxie_reloc_map moxie_reloc_map [] =
{
  { BFD_RELOC_NONE,	       R_MOXIE_NONE },
  { BFD_RELOC_32,	       R_MOXIE_32 },
  { BFD_RELOC_MOXIE_10_PCREL,  R_MOXIE_PCREL10 },
};

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

  for (i = sizeof (moxie_reloc_map) / sizeof (moxie_reloc_map[0]);
       i--;)
    if (moxie_reloc_map [i].bfd_reloc_val == code)
      return & moxie_elf_howto_table [moxie_reloc_map[i].moxie_reloc_val];

  return NULL;
}

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

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

  return NULL;
}

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

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

  r_type = ELF32_R_TYPE (dst->r_info);
  if (r_type >= (unsigned int) R_MOXIE_max)
    {
      /* xgettext:c-format */
      _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
			  abfd, r_type);
      r_type = 0;
    }
  cache_ptr->howto = & moxie_elf_howto_table [r_type];
}
\f
/* Perform a single relocation.  By default we use the standard BFD
   routines, but a few relocs, we have to do them ourselves.  */

static bfd_reloc_status_type
moxie_final_link_relocate (reloc_howto_type *howto,
			   bfd *input_bfd,
			   asection *input_section,
			   bfd_byte *contents,
			   Elf_Internal_Rela *rel,
			   bfd_vma relocation)
{
  bfd_reloc_status_type r = bfd_reloc_ok;

  switch (howto->type)
    {
    default:
      r = _bfd_final_link_relocate (howto, input_bfd, input_section,
				    contents, rel->r_offset,
				    relocation, rel->r_addend);
    }

  return r;
}
\f
/* Relocate an MOXIE ELF section.

   The RELOCATE_SECTION function is called by the new ELF backend linker
   to handle the relocations for a section.

   The relocs are always passed as Rela structures; if the section
   actually uses Rel structures, the r_addend field will always be
   zero.

   This function is responsible for adjusting the section contents as
   necessary, and (if using Rela relocs and generating a relocatable
   output file) adjusting the reloc addend as necessary.

   This function does not have to worry about setting the reloc
   address or the reloc symbol index.

   LOCAL_SYMS is a pointer to the swapped in local symbols.

   LOCAL_SECTIONS is an array giving the section in the input file
   corresponding to the st_shndx field of each local symbol.

   The global hash table entry for the global symbols can be found
   via elf_sym_hashes (input_bfd).

   When generating relocatable output, this function must handle
   STB_LOCAL/STT_SECTION symbols specially.  The output symbol is
   going to be the section symbol corresponding to the output
   section, which means that the addend must be adjusted
   accordingly.  */

static bfd_boolean
moxie_elf_relocate_section (bfd *output_bfd,
			    struct bfd_link_info *info,
			    bfd *input_bfd,
			    asection *input_section,
			    bfd_byte *contents,
			    Elf_Internal_Rela *relocs,
			    Elf_Internal_Sym *local_syms,
			    asection **local_sections)
{
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  Elf_Internal_Rela *rel;
  Elf_Internal_Rela *relend;

  symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (input_bfd);
  relend     = relocs + input_section->reloc_count;

  for (rel = relocs; rel < relend; rel ++)
    {
      reloc_howto_type *howto;
      unsigned long r_symndx;
      Elf_Internal_Sym *sym;
      asection *sec;
      struct elf_link_hash_entry *h;
      bfd_vma relocation;
      bfd_reloc_status_type r;
      const char *name;
      int r_type;

      r_type = ELF32_R_TYPE (rel->r_info);
      r_symndx = ELF32_R_SYM (rel->r_info);
      howto  = moxie_elf_howto_table + r_type;
      h      = NULL;
      sym    = NULL;
      sec    = NULL;

      if (r_symndx < symtab_hdr->sh_info)
	{
	  sym = local_syms + r_symndx;
	  sec = local_sections [r_symndx];
	  relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);

	  name = bfd_elf_string_from_elf_section
	    (input_bfd, symtab_hdr->sh_link, sym->st_name);
	  name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
	}
      else
	{
	  bfd_boolean unresolved_reloc, warned, ignored;

	  RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
				   r_symndx, symtab_hdr, sym_hashes,
				   h, sec, relocation,
				   unresolved_reloc, warned, ignored);

	  name = h->root.root.string;
	}

      if (sec != NULL && discarded_section (sec))
	RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
					 rel, 1, relend, howto, 0, contents);

      if (bfd_link_relocatable (info))
	continue;

      r = moxie_final_link_relocate (howto, input_bfd, input_section,
				     contents, rel, relocation);

      if (r != bfd_reloc_ok)
	{
	  const char * msg = NULL;

	  switch (r)
	    {
	    case bfd_reloc_overflow:
	      (*info->callbacks->reloc_overflow)
		(info, (h ? &h->root : NULL), name, howto->name,
		 (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
	      break;

	    case bfd_reloc_undefined:
	      (*info->callbacks->undefined_symbol)
		(info, name, input_bfd, input_section, rel->r_offset, TRUE);
	      break;

	    case bfd_reloc_outofrange:
	      msg = _("internal error: out of range error");
	      break;

	    case bfd_reloc_notsupported:
	      msg = _("internal error: unsupported relocation error");
	      break;

	    case bfd_reloc_dangerous:
	      msg = _("internal error: dangerous relocation");
	      break;

	    default:
	      msg = _("internal error: unknown error");
	      break;
	    }

	  if (msg)
	    (*info->callbacks->warning) (info, msg, name, input_bfd,
					 input_section, rel->r_offset);
	}
    }

  return TRUE;
}
\f
/* Return the section that should be marked against GC for a given
   relocation.  */

static asection *
moxie_elf_gc_mark_hook (asection *sec,
			struct bfd_link_info *info,
			Elf_Internal_Rela *rel,
			struct elf_link_hash_entry *h,
			Elf_Internal_Sym *sym)
{
  return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}

/* Look through the relocs for a section during the first phase.
   Since we don't do .gots or .plts, we just need to consider the
   virtual table relocs for gc.  */

static bfd_boolean
moxie_elf_check_relocs (bfd *abfd,
			struct bfd_link_info *info,
			asection *sec,
			const Elf_Internal_Rela *relocs)
{
  Elf_Internal_Shdr *symtab_hdr;
  struct elf_link_hash_entry **sym_hashes;
  const Elf_Internal_Rela *rel;
  const Elf_Internal_Rela *rel_end;

  if (bfd_link_relocatable (info))
    return TRUE;

  symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
  sym_hashes = elf_sym_hashes (abfd);

  rel_end = relocs + sec->reloc_count;
  for (rel = relocs; rel < rel_end; rel++)
    {
      struct elf_link_hash_entry *h;
      unsigned long r_symndx;

      r_symndx = ELF32_R_SYM (rel->r_info);
      if (r_symndx < symtab_hdr->sh_info)
	h = NULL;
      else
	{
	  h = sym_hashes[r_symndx - symtab_hdr->sh_info];
	  while (h->root.type == bfd_link_hash_indirect
		 || h->root.type == bfd_link_hash_warning)
	    h = (struct elf_link_hash_entry *) h->root.u.i.link;
	}
    }

  return TRUE;
}
\f
#define ELF_ARCH		bfd_arch_moxie
#define ELF_MACHINE_CODE	EM_MOXIE
#define ELF_MACHINE_ALT1	EM_MOXIE_OLD
#define ELF_MAXPAGESIZE		0x1

#define TARGET_BIG_SYM		moxie_elf32_be_vec
#define TARGET_BIG_NAME		"elf32-bigmoxie"
#define TARGET_LITTLE_SYM	moxie_elf32_le_vec
#define TARGET_LITTLE_NAME	"elf32-littlemoxie"

#define elf_info_to_howto_rel			NULL
#define elf_info_to_howto			moxie_info_to_howto_rela
#define elf_backend_relocate_section		moxie_elf_relocate_section
#define elf_backend_gc_mark_hook		moxie_elf_gc_mark_hook
#define elf_backend_check_relocs		moxie_elf_check_relocs

#define elf_backend_can_gc_sections		1
#define elf_backend_rela_normal			1

#define bfd_elf32_bfd_reloc_type_lookup		moxie_reloc_type_lookup
#define bfd_elf32_bfd_reloc_name_lookup		moxie_reloc_name_lookup

#include "elf32-target.h"
Commit	Line	Data
20135e4c	1	/* moxie-specific support for 32-bit ELF.
219d1afa	2	Copyright (C) 2009-2018 Free Software Foundation, Inc.
20135e4c NC	3
20135e4c NC	4	Copied from elf32-fr30.c which is..
219d1afa	5	Copyright (C) 1998-2018 Free Software Foundation, Inc.
20135e4c NC	6
	7	This file is part of BFD, the Binary File Descriptor library.
	8
	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
	11	the Free Software Foundation; either version 3 of the License, or
	12	(at your option) any later version.
	13
	14	This program is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with this program; if not, write to the Free Software
	21	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	22	MA 02110-1301, USA. */
	23
	24	#include "sysdep.h"
	25	#include "bfd.h"
	26	#include "libbfd.h"
	27	#include "elf-bfd.h"
	28	#include "elf/moxie.h"
	29
	30	/* Forward declarations. */
	31
	32	static reloc_howto_type moxie_elf_howto_table [] =
	33	{
	34	/* This reloc does nothing. */
	35	HOWTO (R_MOXIE_NONE, /* type */
	36	0, /* rightshift */
6346d5ca AM	37	3, /* size (0 = byte, 1 = short, 2 = long) */
6346d5ca AM	38	0, /* bitsize */
20135e4c NC	39	FALSE, /* pc_relative */
20135e4c NC	40	0, /* bitpos */
6346d5ca	41	complain_overflow_dont, /* complain_on_overflow */
20135e4c NC	42	bfd_elf_generic_reloc, /* special_function */
	43	"R_MOXIE_NONE", /* name */
	44	FALSE, /* partial_inplace */
	45	0, /* src_mask */
	46	0, /* dst_mask */
	47	FALSE), /* pcrel_offset */
	48
	49	/* A 32 bit absolute relocation. */
	50	HOWTO (R_MOXIE_32, /* type */
	51	0, /* rightshift */
	52	2, /* size (0 = byte, 1 = short, 2 = long) */
	53	32, /* bitsize */
	54	FALSE, /* pc_relative */
	55	0, /* bitpos */
	56	complain_overflow_bitfield, /* complain_on_overflow */
	57	bfd_elf_generic_reloc, /* special_function */
	58	"R_MOXIE_32", /* name */
	59	FALSE, /* partial_inplace */
	60	0x00000000, /* src_mask */
	61	0xffffffff, /* dst_mask */
	62	FALSE), /* pcrel_offset */
f865a31d AG	63
	64	/* A 10 bit PC-relative relocation. */
	65	HOWTO (R_MOXIE_PCREL10, /* type. */
	66	1, /* rightshift. */
	67	1, /* size (0 = byte, 1 = short, 2 = long). */
	68	10, /* bitsize. */
	69	TRUE, /* pc_relative. */
	70	0, /* bitpos. */
	71	complain_overflow_signed, /* complain_on_overflow. */
	72	bfd_elf_generic_reloc, /* special_function. */
	73	"R_MOXIE_PCREL10", /* name. */
	74	FALSE, /* partial_inplace. */
	75	0, /* src_mask. */
	76	0x000003FF, /* dst_mask. */
	77	TRUE), /* pcrel_offset. */
20135e4c NC	78	};
	79	\f
	80	/* Map BFD reloc types to MOXIE ELF reloc types. */
	81
	82	struct moxie_reloc_map
	83	{
	84	bfd_reloc_code_real_type bfd_reloc_val;
	85	unsigned int moxie_reloc_val;
	86	};
	87
	88	static const struct moxie_reloc_map moxie_reloc_map [] =
	89	{
07d6d2b8 AM	90	{ BFD_RELOC_NONE, R_MOXIE_NONE },
07d6d2b8 AM	91	{ BFD_RELOC_32, R_MOXIE_32 },
f865a31d	92	{ BFD_RELOC_MOXIE_10_PCREL, R_MOXIE_PCREL10 },
20135e4c NC	93	};
	94
	95	static reloc_howto_type *
	96	moxie_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	97	bfd_reloc_code_real_type code)
	98	{
	99	unsigned int i;
	100
	101	for (i = sizeof (moxie_reloc_map) / sizeof (moxie_reloc_map[0]);
0ba38529	102	i--;)
20135e4c NC	103	if (moxie_reloc_map [i].bfd_reloc_val == code)
	104	return & moxie_elf_howto_table [moxie_reloc_map[i].moxie_reloc_val];
	105
	106	return NULL;
	107	}
	108
	109	static reloc_howto_type *
	110	moxie_reloc_name_lookup (bfd abfd ATTRIBUTE_UNUSED, const char r_name)
	111	{
	112	unsigned int i;
	113
	114	for (i = 0;
	115	i < sizeof (moxie_elf_howto_table) / sizeof (moxie_elf_howto_table[0]);
	116	i++)
	117	if (moxie_elf_howto_table[i].name != NULL
	118	&& strcasecmp (moxie_elf_howto_table[i].name, r_name) == 0)
	119	return &moxie_elf_howto_table[i];
	120
	121	return NULL;
	122	}
	123
	124	/* Set the howto pointer for an MOXIE ELF reloc. */
	125
	126	static void
0aa13fee	127	moxie_info_to_howto_rela (bfd *abfd,
20135e4c NC	128	arelent *cache_ptr,
	129	Elf_Internal_Rela *dst)
	130	{
	131	unsigned int r_type;
	132
	133	r_type = ELF32_R_TYPE (dst->r_info);
5860e3f8 NC	134	if (r_type >= (unsigned int) R_MOXIE_max)
5860e3f8 NC	135	{
695344c0	136	/* xgettext:c-format */
0aa13fee AM	137	_bfd_error_handler (_("%pB: unsupported relocation type %#x"),
0aa13fee AM	138	abfd, r_type);
5860e3f8 NC	139	r_type = 0;
5860e3f8 NC	140	}
20135e4c NC	141	cache_ptr->howto = & moxie_elf_howto_table [r_type];
	142	}
	143	\f
	144	/* Perform a single relocation. By default we use the standard BFD
	145	routines, but a few relocs, we have to do them ourselves. */
	146
	147	static bfd_reloc_status_type
	148	moxie_final_link_relocate (reloc_howto_type *howto,
	149	bfd *input_bfd,
	150	asection *input_section,
	151	bfd_byte *contents,
	152	Elf_Internal_Rela *rel,
	153	bfd_vma relocation)
	154	{
	155	bfd_reloc_status_type r = bfd_reloc_ok;
	156
	157	switch (howto->type)
	158	{
	159	default:
	160	r = _bfd_final_link_relocate (howto, input_bfd, input_section,
	161	contents, rel->r_offset,
	162	relocation, rel->r_addend);
	163	}
	164
	165	return r;
	166	}
	167	\f
	168	/* Relocate an MOXIE ELF section.
	169
	170	The RELOCATE_SECTION function is called by the new ELF backend linker
	171	to handle the relocations for a section.
	172
	173	The relocs are always passed as Rela structures; if the section
	174	actually uses Rel structures, the r_addend field will always be
	175	zero.
	176
	177	This function is responsible for adjusting the section contents as
	178	necessary, and (if using Rela relocs and generating a relocatable
	179	output file) adjusting the reloc addend as necessary.
	180
	181	This function does not have to worry about setting the reloc
	182	address or the reloc symbol index.
	183
	184	LOCAL_SYMS is a pointer to the swapped in local symbols.
	185
	186	LOCAL_SECTIONS is an array giving the section in the input file
	187	corresponding to the st_shndx field of each local symbol.
	188
	189	The global hash table entry for the global symbols can be found
	190	via elf_sym_hashes (input_bfd).
	191
	192	When generating relocatable output, this function must handle
	193	STB_LOCAL/STT_SECTION symbols specially. The output symbol is
	194	going to be the section symbol corresponding to the output
	195	section, which means that the addend must be adjusted
	196	accordingly. */
	197
	198	static bfd_boolean
	199	moxie_elf_relocate_section (bfd *output_bfd,
	200	struct bfd_link_info *info,
	201	bfd *input_bfd,
	202	asection *input_section,
	203	bfd_byte *contents,
	204	Elf_Internal_Rela *relocs,
205	Elf_Internal_Sym *local_syms,
206	asection **local_sections)
207	{
208	Elf_Internal_Shdr *symtab_hdr;
209	struct elf_link_hash_entry **sym_hashes;
210	Elf_Internal_Rela *rel;
211	Elf_Internal_Rela *relend;
212
213	symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
214	sym_hashes = elf_sym_hashes (input_bfd);
215	relend = relocs + input_section->reloc_count;
216
217	for (rel = relocs; rel < relend; rel ++)
218	{
219	reloc_howto_type *howto;
220	unsigned long r_symndx;
221	Elf_Internal_Sym *sym;
222	asection *sec;
223	struct elf_link_hash_entry *h;
224	bfd_vma relocation;
225	bfd_reloc_status_type r;
226	const char *name;
227	int r_type;
228
229	r_type = ELF32_R_TYPE (rel->r_info);
20135e4c	230	r_symndx = ELF32_R_SYM (rel->r_info);
c7e2358a	231	howto = moxie_elf_howto_table + r_type;
20135e4c NC	232	h = NULL;
	233	sym = NULL;
	234	sec = NULL;
	235
	236	if (r_symndx < symtab_hdr->sh_info)
	237	{
	238	sym = local_syms + r_symndx;
	239	sec = local_sections [r_symndx];
	240	relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
	241
	242	name = bfd_elf_string_from_elf_section
	243	(input_bfd, symtab_hdr->sh_link, sym->st_name);
	244	name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
	245	}
	246	else
	247	{
62d887d4	248	bfd_boolean unresolved_reloc, warned, ignored;
20135e4c NC	249
	250	RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
	251	r_symndx, symtab_hdr, sym_hashes,
	252	h, sec, relocation,
62d887d4	253	unresolved_reloc, warned, ignored);
20135e4c NC	254
	255	name = h->root.root.string;
	256	}
	257
dbaa2011	258	if (sec != NULL && discarded_section (sec))
e4067dbb	259	RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b	260	rel, 1, relend, howto, 0, contents);
20135e4c	261
0e1862bb	262	if (bfd_link_relocatable (info))
20135e4c NC	263	continue;
	264
	265	r = moxie_final_link_relocate (howto, input_bfd, input_section,
	266	contents, rel, relocation);
	267
	268	if (r != bfd_reloc_ok)
	269	{
	270	const char * msg = NULL;
	271
	272	switch (r)
	273	{
	274	case bfd_reloc_overflow:
1a72702b	275	(*info->callbacks->reloc_overflow)
20135e4c NC	276	(info, (h ? &h->root : NULL), name, howto->name,
	277	(bfd_vma) 0, input_bfd, input_section, rel->r_offset);
	278	break;
	279
	280	case bfd_reloc_undefined:
1a72702b AM	281	(*info->callbacks->undefined_symbol)
1a72702b AM	282	(info, name, input_bfd, input_section, rel->r_offset, TRUE);
20135e4c NC	283	break;
	284
	285	case bfd_reloc_outofrange:
	286	msg = _("internal error: out of range error");
	287	break;
	288
	289	case bfd_reloc_notsupported:
	290	msg = _("internal error: unsupported relocation error");
	291	break;
	292
	293	case bfd_reloc_dangerous:
	294	msg = _("internal error: dangerous relocation");
	295	break;
	296
	297	default:
	298	msg = _("internal error: unknown error");
	299	break;
	300	}
	301
	302	if (msg)
1a72702b AM	303	(*info->callbacks->warning) (info, msg, name, input_bfd,
1a72702b AM	304	input_section, rel->r_offset);
20135e4c NC	305	}
	306	}
	307
	308	return TRUE;
	309	}
	310	\f
	311	/* Return the section that should be marked against GC for a given
	312	relocation. */
	313
	314	static asection *
	315	moxie_elf_gc_mark_hook (asection *sec,
	316	struct bfd_link_info *info,
	317	Elf_Internal_Rela *rel,
	318	struct elf_link_hash_entry *h,
	319	Elf_Internal_Sym *sym)
	320	{
	321	return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
	322	}
	323
	324	/* Look through the relocs for a section during the first phase.
	325	Since we don't do .gots or .plts, we just need to consider the
	326	virtual table relocs for gc. */
	327
	328	static bfd_boolean
	329	moxie_elf_check_relocs (bfd *abfd,
	330	struct bfd_link_info *info,
	331	asection *sec,
	332	const Elf_Internal_Rela *relocs)
	333	{
	334	Elf_Internal_Shdr *symtab_hdr;
	335	struct elf_link_hash_entry **sym_hashes;
	336	const Elf_Internal_Rela *rel;
	337	const Elf_Internal_Rela *rel_end;
	338
0e1862bb	339	if (bfd_link_relocatable (info))
20135e4c NC	340	return TRUE;
	341
	342	symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
	343	sym_hashes = elf_sym_hashes (abfd);
	344
	345	rel_end = relocs + sec->reloc_count;
	346	for (rel = relocs; rel < rel_end; rel++)
	347	{
	348	struct elf_link_hash_entry *h;
	349	unsigned long r_symndx;
	350
	351	r_symndx = ELF32_R_SYM (rel->r_info);
	352	if (r_symndx < symtab_hdr->sh_info)
07d6d2b8	353	h = NULL;
20135e4c NC	354	else
	355	{
	356	h = sym_hashes[r_symndx - symtab_hdr->sh_info];
	357	while (h->root.type == bfd_link_hash_indirect
	358	\|\| h->root.type == bfd_link_hash_warning)
	359	h = (struct elf_link_hash_entry *) h->root.u.i.link;
	360	}
	361	}
	362
	363	return TRUE;
	364	}
	365	\f
	366	#define ELF_ARCH bfd_arch_moxie
	367	#define ELF_MACHINE_CODE EM_MOXIE
07d6d2b8	368	#define ELF_MACHINE_ALT1 EM_MOXIE_OLD
20135e4c NC	369	#define ELF_MAXPAGESIZE 0x1
20135e4c NC	370
07d6d2b8	371	#define TARGET_BIG_SYM moxie_elf32_be_vec
e202fa84	372	#define TARGET_BIG_NAME "elf32-bigmoxie"
07d6d2b8	373	#define TARGET_LITTLE_SYM moxie_elf32_le_vec
e202fa84	374	#define TARGET_LITTLE_NAME "elf32-littlemoxie"
20135e4c NC	375
	376	#define elf_info_to_howto_rel NULL
	377	#define elf_info_to_howto moxie_info_to_howto_rela
	378	#define elf_backend_relocate_section moxie_elf_relocate_section
	379	#define elf_backend_gc_mark_hook moxie_elf_gc_mark_hook
07d6d2b8	380	#define elf_backend_check_relocs moxie_elf_check_relocs
20135e4c NC	381
	382	#define elf_backend_can_gc_sections 1
	383	#define elf_backend_rela_normal 1
	384
	385	#define bfd_elf32_bfd_reloc_type_lookup moxie_reloc_type_lookup
	386	#define bfd_elf32_bfd_reloc_name_lookup moxie_reloc_name_lookup
	387
	388	#include "elf32-target.h"