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

/* moxie-specific support for 32-bit ELF.
   Copyright 2009, 2010, 2012 Free Software Foundation, Inc.

   Copied from elf32-fr30.c which is..
   Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
   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 */
	 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_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 ATTRIBUTE_UNUSED,
			  arelent *cache_ptr,
			  Elf_Internal_Rela *dst)
{
  unsigned int r_type;

  r_type = ELF32_R_TYPE (dst->r_info);
  BFD_ASSERT (r_type < (unsigned int) R_MOXIE_max);
  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;

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

	  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 (info->relocatable)
	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:
	      r = 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:
	      r = 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)
	    r = info->callbacks->warning
	      (info, msg, name, input_bfd, input_section, rel->r_offset);

	  if (! r)
	    return FALSE;
	}
    }

  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 (info->relocatable)
    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;

	  /* PR15323, ref flags aren't set for references in the same
	     object.  */
	  h->root.non_ir_ref = 1;
	}
    }

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

#define TARGET_BIG_SYM          bfd_elf32_bigmoxie_vec
#define TARGET_BIG_NAME		"elf32-bigmoxie"
#define TARGET_LITTLE_SYM       bfd_elf32_littlemoxie_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.
dbaa2011	2	Copyright 2009, 2010, 2012 Free Software Foundation, Inc.
20135e4c NC	3
	4	Copied from elf32-fr30.c which is..
	5	Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
	6	Free Software Foundation, Inc.
	7
	8	This file is part of BFD, the Binary File Descriptor library.
	9
	10	This program is free software; you can redistribute it and/or modify
	11	it under the terms of the GNU General Public License as published by
	12	the Free Software Foundation; either version 3 of the License, or
	13	(at your option) any later version.
	14
	15	This program is distributed in the hope that it will be useful,
	16	but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	GNU General Public License for more details.
	19
	20	You should have received a copy of the GNU General Public License
	21	along with this program; if not, write to the Free Software
	22	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	23	MA 02110-1301, USA. */
	24
	25	#include "sysdep.h"
	26	#include "bfd.h"
	27	#include "libbfd.h"
	28	#include "elf-bfd.h"
	29	#include "elf/moxie.h"
	30
	31	/* Forward declarations. */
	32
	33	static reloc_howto_type moxie_elf_howto_table [] =
	34	{
	35	/* This reloc does nothing. */
	36	HOWTO (R_MOXIE_NONE, /* type */
	37	0, /* rightshift */
	38	2, /* size (0 = byte, 1 = short, 2 = long) */
	39	32, /* bitsize */
	40	FALSE, /* pc_relative */
	41	0, /* bitpos */
	42	complain_overflow_bitfield, /* complain_on_overflow */
	43	bfd_elf_generic_reloc, /* special_function */
	44	"R_MOXIE_NONE", /* name */
	45	FALSE, /* partial_inplace */
	46	0, /* src_mask */
	47	0, /* dst_mask */
	48	FALSE), /* pcrel_offset */
	49
	50	/* A 32 bit absolute relocation. */
	51	HOWTO (R_MOXIE_32, /* type */
	52	0, /* rightshift */
	53	2, /* size (0 = byte, 1 = short, 2 = long) */
	54	32, /* bitsize */
	55	FALSE, /* pc_relative */
	56	0, /* bitpos */
	57	complain_overflow_bitfield, /* complain_on_overflow */
	58	bfd_elf_generic_reloc, /* special_function */
	59	"R_MOXIE_32", /* name */
	60	FALSE, /* partial_inplace */
	61	0x00000000, /* src_mask */
	62	0xffffffff, /* dst_mask */
	63	FALSE), /* pcrel_offset */
f865a31d AG	64
	65	/* A 10 bit PC-relative relocation. */
	66	HOWTO (R_MOXIE_PCREL10, /* type. */
	67	1, /* rightshift. */
	68	1, /* size (0 = byte, 1 = short, 2 = long). */
	69	10, /* bitsize. */
	70	TRUE, /* pc_relative. */
	71	0, /* bitpos. */
	72	complain_overflow_signed, /* complain_on_overflow. */
	73	bfd_elf_generic_reloc, /* special_function. */
	74	"R_MOXIE_PCREL10", /* name. */
	75	FALSE, /* partial_inplace. */
	76	0, /* src_mask. */
	77	0x000003FF, /* dst_mask. */
	78	TRUE), /* pcrel_offset. */
20135e4c NC	79	};
	80	\f
	81	/* Map BFD reloc types to MOXIE ELF reloc types. */
	82
	83	struct moxie_reloc_map
	84	{
	85	bfd_reloc_code_real_type bfd_reloc_val;
	86	unsigned int moxie_reloc_val;
	87	};
	88
	89	static const struct moxie_reloc_map moxie_reloc_map [] =
	90	{
f865a31d AG	91	{ BFD_RELOC_NONE, R_MOXIE_NONE },
	92	{ BFD_RELOC_32, R_MOXIE_32 },
	93	{ BFD_RELOC_MOXIE_10_PCREL, R_MOXIE_PCREL10 },
20135e4c NC	94	};
	95
	96	static reloc_howto_type *
	97	moxie_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	98	bfd_reloc_code_real_type code)
	99	{
	100	unsigned int i;
	101
	102	for (i = sizeof (moxie_reloc_map) / sizeof (moxie_reloc_map[0]);
	103	--i;)
	104	if (moxie_reloc_map [i].bfd_reloc_val == code)
	105	return & moxie_elf_howto_table [moxie_reloc_map[i].moxie_reloc_val];
	106
	107	return NULL;
	108	}
	109
	110	static reloc_howto_type *
	111	moxie_reloc_name_lookup (bfd abfd ATTRIBUTE_UNUSED, const char r_name)
	112	{
	113	unsigned int i;
	114
	115	for (i = 0;
	116	i < sizeof (moxie_elf_howto_table) / sizeof (moxie_elf_howto_table[0]);
	117	i++)
	118	if (moxie_elf_howto_table[i].name != NULL
	119	&& strcasecmp (moxie_elf_howto_table[i].name, r_name) == 0)
	120	return &moxie_elf_howto_table[i];
	121
	122	return NULL;
	123	}
	124
	125	/* Set the howto pointer for an MOXIE ELF reloc. */
	126
	127	static void
	128	moxie_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
	129	arelent *cache_ptr,
	130	Elf_Internal_Rela *dst)
	131	{
	132	unsigned int r_type;
	133
	134	r_type = ELF32_R_TYPE (dst->r_info);
	135	BFD_ASSERT (r_type < (unsigned int) R_MOXIE_max);
	136	cache_ptr->howto = & moxie_elf_howto_table [r_type];
	137	}
	138	\f
	139	/* Perform a single relocation. By default we use the standard BFD
	140	routines, but a few relocs, we have to do them ourselves. */
	141
	142	static bfd_reloc_status_type
	143	moxie_final_link_relocate (reloc_howto_type *howto,
	144	bfd *input_bfd,
	145	asection *input_section,
	146	bfd_byte *contents,
	147	Elf_Internal_Rela *rel,
	148	bfd_vma relocation)
	149	{
	150	bfd_reloc_status_type r = bfd_reloc_ok;
	151
	152	switch (howto->type)
	153	{
	154	default:
	155	r = _bfd_final_link_relocate (howto, input_bfd, input_section,
	156	contents, rel->r_offset,
	157	relocation, rel->r_addend);
158	}
159
160	return r;
161	}
162	\f
163	/* Relocate an MOXIE ELF section.
164
165	The RELOCATE_SECTION function is called by the new ELF backend linker
166	to handle the relocations for a section.
167
168	The relocs are always passed as Rela structures; if the section
169	actually uses Rel structures, the r_addend field will always be
170	zero.
171
172	This function is responsible for adjusting the section contents as
173	necessary, and (if using Rela relocs and generating a relocatable
174	output file) adjusting the reloc addend as necessary.
175
176	This function does not have to worry about setting the reloc
177	address or the reloc symbol index.
178
179	LOCAL_SYMS is a pointer to the swapped in local symbols.
180
181	LOCAL_SECTIONS is an array giving the section in the input file
182	corresponding to the st_shndx field of each local symbol.
183
184	The global hash table entry for the global symbols can be found
185	via elf_sym_hashes (input_bfd).
186
187	When generating relocatable output, this function must handle
188	STB_LOCAL/STT_SECTION symbols specially. The output symbol is
189	going to be the section symbol corresponding to the output
190	section, which means that the addend must be adjusted
191	accordingly. */
192
193	static bfd_boolean
194	moxie_elf_relocate_section (bfd *output_bfd,
195	struct bfd_link_info *info,
196	bfd *input_bfd,
197	asection *input_section,
198	bfd_byte *contents,
199	Elf_Internal_Rela *relocs,
200	Elf_Internal_Sym *local_syms,
201	asection **local_sections)
202	{
203	Elf_Internal_Shdr *symtab_hdr;
204	struct elf_link_hash_entry **sym_hashes;
205	Elf_Internal_Rela *rel;
206	Elf_Internal_Rela *relend;
207
208	symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
209	sym_hashes = elf_sym_hashes (input_bfd);
210	relend = relocs + input_section->reloc_count;
211
212	for (rel = relocs; rel < relend; rel ++)
213	{
214	reloc_howto_type *howto;
215	unsigned long r_symndx;
216	Elf_Internal_Sym *sym;
217	asection *sec;
218	struct elf_link_hash_entry *h;
219	bfd_vma relocation;
220	bfd_reloc_status_type r;
221	const char *name;
222	int r_type;
223
224	r_type = ELF32_R_TYPE (rel->r_info);
20135e4c	225	r_symndx = ELF32_R_SYM (rel->r_info);
c7e2358a	226	howto = moxie_elf_howto_table + r_type;
20135e4c NC	227	h = NULL;
	228	sym = NULL;
	229	sec = NULL;
	230
	231	if (r_symndx < symtab_hdr->sh_info)
	232	{
	233	sym = local_syms + r_symndx;
	234	sec = local_sections [r_symndx];
	235	relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
	236
	237	name = bfd_elf_string_from_elf_section
	238	(input_bfd, symtab_hdr->sh_link, sym->st_name);
	239	name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
	240	}
	241	else
	242	{
	243	bfd_boolean unresolved_reloc, warned;
	244
	245	RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
	246	r_symndx, symtab_hdr, sym_hashes,
	247	h, sec, relocation,
	248	unresolved_reloc, warned);
	249
	250	name = h->root.root.string;
	251	}
	252
dbaa2011	253	if (sec != NULL && discarded_section (sec))
e4067dbb	254	RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
545fd46b	255	rel, 1, relend, howto, 0, contents);
20135e4c NC	256
	257	if (info->relocatable)
	258	continue;
	259
	260	r = moxie_final_link_relocate (howto, input_bfd, input_section,
	261	contents, rel, relocation);
	262
	263	if (r != bfd_reloc_ok)
	264	{
	265	const char * msg = NULL;
	266
	267	switch (r)
	268	{
	269	case bfd_reloc_overflow:
	270	r = info->callbacks->reloc_overflow
	271	(info, (h ? &h->root : NULL), name, howto->name,
	272	(bfd_vma) 0, input_bfd, input_section, rel->r_offset);
	273	break;
	274
	275	case bfd_reloc_undefined:
	276	r = info->callbacks->undefined_symbol
	277	(info, name, input_bfd, input_section, rel->r_offset,
	278	TRUE);
	279	break;
	280
	281	case bfd_reloc_outofrange:
	282	msg = _("internal error: out of range error");
	283	break;
	284
	285	case bfd_reloc_notsupported:
	286	msg = _("internal error: unsupported relocation error");
	287	break;
	288
	289	case bfd_reloc_dangerous:
	290	msg = _("internal error: dangerous relocation");
	291	break;
	292
	293	default:
	294	msg = _("internal error: unknown error");
	295	break;
	296	}
	297
	298	if (msg)
	299	r = info->callbacks->warning
	300	(info, msg, name, input_bfd, input_section, rel->r_offset);
	301
	302	if (! r)
	303	return FALSE;
	304	}
	305	}
	306
	307	return TRUE;
	308	}
	309	\f
	310	/* Return the section that should be marked against GC for a given
	311	relocation. */
	312
	313	static asection *
	314	moxie_elf_gc_mark_hook (asection *sec,
	315	struct bfd_link_info *info,
	316	Elf_Internal_Rela *rel,
	317	struct elf_link_hash_entry *h,
	318	Elf_Internal_Sym *sym)
	319	{
320	return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
321	}
322
323	/* Look through the relocs for a section during the first phase.
324	Since we don't do .gots or .plts, we just need to consider the
325	virtual table relocs for gc. */
326
327	static bfd_boolean
328	moxie_elf_check_relocs (bfd *abfd,
329	struct bfd_link_info *info,
330	asection *sec,
331	const Elf_Internal_Rela *relocs)
332	{
333	Elf_Internal_Shdr *symtab_hdr;
334	struct elf_link_hash_entry **sym_hashes;
335	const Elf_Internal_Rela *rel;
336	const Elf_Internal_Rela *rel_end;
337
338	if (info->relocatable)
339	return TRUE;
340
341	symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
342	sym_hashes = elf_sym_hashes (abfd);
343
344	rel_end = relocs + sec->reloc_count;
345	for (rel = relocs; rel < rel_end; rel++)
346	{
347	struct elf_link_hash_entry *h;
348	unsigned long r_symndx;
349
350	r_symndx = ELF32_R_SYM (rel->r_info);
351	if (r_symndx < symtab_hdr->sh_info)
352	h = NULL;
353	else
354	{
355	h = sym_hashes[r_symndx - symtab_hdr->sh_info];
356	while (h->root.type == bfd_link_hash_indirect
357	\|\| h->root.type == bfd_link_hash_warning)
358	h = (struct elf_link_hash_entry *) h->root.u.i.link;
81fbe831 AM	359
	360	/* PR15323, ref flags aren't set for references in the same
	361	object. */
	362	h->root.non_ir_ref = 1;
20135e4c NC	363	}
	364	}
	365
	366	return TRUE;
	367	}
	368	\f
	369	#define ELF_ARCH bfd_arch_moxie
	370	#define ELF_MACHINE_CODE EM_MOXIE
	371	#define ELF_MAXPAGESIZE 0x1
	372
e202fa84 AG	373	#define TARGET_BIG_SYM bfd_elf32_bigmoxie_vec
	374	#define TARGET_BIG_NAME "elf32-bigmoxie"
	375	#define TARGET_LITTLE_SYM bfd_elf32_littlemoxie_vec
	376	#define TARGET_LITTLE_NAME "elf32-littlemoxie"
20135e4c NC	377
	378	#define elf_info_to_howto_rel NULL
	379	#define elf_info_to_howto moxie_info_to_howto_rela
	380	#define elf_backend_relocate_section moxie_elf_relocate_section
	381	#define elf_backend_gc_mark_hook moxie_elf_gc_mark_hook
	382	#define elf_backend_check_relocs moxie_elf_check_relocs
	383
	384	#define elf_backend_can_gc_sections 1
	385	#define elf_backend_rela_normal 1
	386
	387	#define bfd_elf32_bfd_reloc_type_lookup moxie_reloc_type_lookup
	388	#define bfd_elf32_bfd_reloc_name_lookup moxie_reloc_name_lookup
	389
	390	#include "elf32-target.h"