[thirdparty/binutils-gdb.git] / bfd / mach-o-x86-64.c

/* Intel x86-64 Mach-O support for BFD.
   Copyright (C) 2010-2017 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 "mach-o.h"
#include "bfd.h"
#include "libbfd.h"
#include "libiberty.h"
#include "mach-o/x86-64.h"

#define bfd_mach_o_object_p bfd_mach_o_x86_64_object_p
#define bfd_mach_o_core_p bfd_mach_o_x86_64_core_p
#define bfd_mach_o_mkobject bfd_mach_o_x86_64_mkobject

static const bfd_target *
bfd_mach_o_x86_64_object_p (bfd *abfd)
{
  return bfd_mach_o_header_p (abfd, 0, 0, BFD_MACH_O_CPU_TYPE_X86_64);
}

static const bfd_target *
bfd_mach_o_x86_64_core_p (bfd *abfd)
{
  return bfd_mach_o_header_p (abfd, 0,
                              BFD_MACH_O_MH_CORE, BFD_MACH_O_CPU_TYPE_X86_64);
}

static bfd_boolean
bfd_mach_o_x86_64_mkobject (bfd *abfd)
{
  bfd_mach_o_data_struct *mdata;

  if (!bfd_mach_o_mkobject_init (abfd))
    return FALSE;

  mdata = bfd_mach_o_get_data (abfd);
  mdata->header.magic = BFD_MACH_O_MH_MAGIC_64;
  mdata->header.cputype = BFD_MACH_O_CPU_TYPE_X86_64;
  mdata->header.cpusubtype =
    BFD_MACH_O_CPU_SUBTYPE_X86_ALL | BFD_MACH_O_CPU_SUBTYPE_LIB64;
  mdata->header.byteorder = BFD_ENDIAN_LITTLE;
  mdata->header.version = 2;

  return TRUE;
}

/* In case we're on a 32-bit machine, construct a 64-bit "-1" value.  */
#define MINUS_ONE (~ (bfd_vma) 0)

static reloc_howto_type x86_64_howto_table[]=
{
  /* 0 */
  HOWTO(BFD_RELOC_64, 0, 4, 64, FALSE, 0,
	complain_overflow_bitfield,
	NULL, "64",
	FALSE, MINUS_ONE, MINUS_ONE, FALSE),
  HOWTO(BFD_RELOC_32, 0, 2, 32, FALSE, 0,
	complain_overflow_bitfield,
	NULL, "32",
	FALSE, 0xffffffff, 0xffffffff, FALSE),
  HOWTO(BFD_RELOC_32_PCREL, 0, 2, 32, TRUE, 0,
	complain_overflow_bitfield,
	NULL, "DISP32",
	FALSE, 0xffffffff, 0xffffffff, TRUE),
  HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_1, 0, 2, 32, TRUE, 0,
	complain_overflow_bitfield,
	NULL, "DISP32_1",
	FALSE, 0xffffffff, 0xffffffff, TRUE),
  /* 4 */
  HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_2, 0, 2, 32, TRUE, 0,
	complain_overflow_bitfield,
	NULL, "DISP32_2",
	FALSE, 0xffffffff, 0xffffffff, TRUE),
  HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_4, 0, 2, 32, TRUE, 0,
	complain_overflow_bitfield,
	NULL, "DISP32_4",
	FALSE, 0xffffffff, 0xffffffff, TRUE),
  HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH32, 0, 2, 32, TRUE, 0,
	complain_overflow_bitfield,
	NULL, "BRANCH32",
	FALSE, 0xffffffff, 0xffffffff, TRUE),
  HOWTO(BFD_RELOC_MACH_O_X86_64_GOT_LOAD, 0, 2, 32, TRUE, 0,
	complain_overflow_bitfield,
	NULL, "GOT_LOAD",
	FALSE, 0xffffffff, 0xffffffff, TRUE),
  /* 8 */
  HOWTO(BFD_RELOC_MACH_O_SUBTRACTOR32, 0, 2, 32, FALSE, 0,
	complain_overflow_bitfield,
	NULL, "SUBTRACTOR32",
	FALSE, 0xffffffff, 0xffffffff, FALSE),
  HOWTO(BFD_RELOC_MACH_O_SUBTRACTOR64, 0, 4, 64, FALSE, 0,
	complain_overflow_bitfield,
	NULL, "SUBTRACTOR64",
	FALSE, MINUS_ONE, MINUS_ONE, FALSE),
  HOWTO(BFD_RELOC_MACH_O_X86_64_GOT, 0, 2, 32, TRUE, 0,
	complain_overflow_bitfield,
	NULL, "GOT",
	FALSE, 0xffffffff, 0xffffffff, TRUE),
  HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH8, 0, 0, 8, TRUE, 0,
	complain_overflow_bitfield,
	NULL, "BRANCH8",
	FALSE, 0xff, 0xff, TRUE),
};

static bfd_boolean
bfd_mach_o_x86_64_canonicalize_one_reloc (bfd *       abfd,
					  struct mach_o_reloc_info_external * raw,
					  arelent *   res,
					  asymbol **  syms,
					  arelent *   res_base ATTRIBUTE_UNUSED)
{
  bfd_mach_o_reloc_info reloc;

  if (!bfd_mach_o_pre_canonicalize_one_reloc (abfd, raw, &reloc, res, syms))
    return FALSE;

  /* On x86-64, scattered relocs are not used.  */
  if (reloc.r_scattered)
    return FALSE;

  switch (reloc.r_type)
    {
    case BFD_MACH_O_X86_64_RELOC_UNSIGNED:
      if (reloc.r_pcrel)
        return FALSE;
      switch (reloc.r_length)
        {
        case 2:
          res->howto = &x86_64_howto_table[1];
          return TRUE;
        case 3:
          res->howto = &x86_64_howto_table[0];
          return TRUE;
        default:
          return FALSE;
        }
    case BFD_MACH_O_X86_64_RELOC_SIGNED:
      if (reloc.r_length == 2 && reloc.r_pcrel)
        {
          res->howto = &x86_64_howto_table[2];
          return TRUE;
        }
      break;
    case BFD_MACH_O_X86_64_RELOC_BRANCH:
      if (!reloc.r_pcrel)
        return FALSE;
      switch (reloc.r_length)
        {
        case 2:
          res->howto = &x86_64_howto_table[6];
          return TRUE;
        default:
          return FALSE;
        }
      break;
    case BFD_MACH_O_X86_64_RELOC_GOT_LOAD:
      if (reloc.r_length == 2 && reloc.r_pcrel && reloc.r_extern)
        {
          res->howto = &x86_64_howto_table[7];
          return TRUE;
        }
      break;
    case BFD_MACH_O_X86_64_RELOC_GOT:
      if (reloc.r_length == 2 && reloc.r_pcrel && reloc.r_extern)
        {
          res->howto = &x86_64_howto_table[10];
          return TRUE;
        }
      break;
    case BFD_MACH_O_X86_64_RELOC_SUBTRACTOR:
      if (reloc.r_pcrel)
        return FALSE;
      switch (reloc.r_length)
        {
        case 2:
          res->howto = &x86_64_howto_table[8];
          return TRUE;
        case 3:
          res->howto = &x86_64_howto_table[9];
          return TRUE;
        default:
          return FALSE;
        }
      break;
    case BFD_MACH_O_X86_64_RELOC_SIGNED_1:
      if (reloc.r_length == 2 && reloc.r_pcrel)
        {
          res->howto = &x86_64_howto_table[3];
          return TRUE;
        }
      break;
    case BFD_MACH_O_X86_64_RELOC_SIGNED_2:
      if (reloc.r_length == 2 && reloc.r_pcrel)
        {
          res->howto = &x86_64_howto_table[4];
          return TRUE;
        }
      break;
    case BFD_MACH_O_X86_64_RELOC_SIGNED_4:
      if (reloc.r_length == 2 && reloc.r_pcrel)
        {
          res->howto = &x86_64_howto_table[5];
          return TRUE;
        }
      break;
    default:
      return FALSE;
    }
  return FALSE;
}

static bfd_boolean
bfd_mach_o_x86_64_swap_reloc_out (arelent *rel, bfd_mach_o_reloc_info *rinfo)
{
  rinfo->r_address = rel->address;
  rinfo->r_scattered = 0;
  switch (rel->howto->type)
    {
    case BFD_RELOC_32:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_UNSIGNED;
      rinfo->r_pcrel = 0;
      rinfo->r_length = 2;
      break;
    case BFD_RELOC_64:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_UNSIGNED;
      rinfo->r_pcrel = 0;
      rinfo->r_length = 3;
      break;
    case BFD_RELOC_32_PCREL:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED;
      rinfo->r_pcrel = 1;
      rinfo->r_length = 2;
      break;
    case BFD_RELOC_MACH_O_X86_64_PCREL32_1:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED_1;
      rinfo->r_pcrel = 1;
      rinfo->r_length = 2;
      break;
    case BFD_RELOC_MACH_O_X86_64_PCREL32_2:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED_2;
      rinfo->r_pcrel = 1;
      rinfo->r_length = 2;
      break;
    case BFD_RELOC_MACH_O_X86_64_PCREL32_4:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED_4;
      rinfo->r_pcrel = 1;
      rinfo->r_length = 2;
      break;
    case BFD_RELOC_MACH_O_X86_64_BRANCH32:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_BRANCH;
      rinfo->r_pcrel = 1;
      rinfo->r_length = 2;
      break;
    case BFD_RELOC_MACH_O_SUBTRACTOR32:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SUBTRACTOR;
      rinfo->r_pcrel = 0;
      rinfo->r_length = 2;
      break;
    case BFD_RELOC_MACH_O_SUBTRACTOR64:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SUBTRACTOR;
      rinfo->r_pcrel = 0;
      rinfo->r_length = 3;
      break;
    case BFD_RELOC_MACH_O_X86_64_GOT:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_GOT;
      rinfo->r_pcrel = 1;
      rinfo->r_length = 2;
      break;
    case BFD_RELOC_MACH_O_X86_64_GOT_LOAD:
      rinfo->r_type = BFD_MACH_O_X86_64_RELOC_GOT_LOAD;
      rinfo->r_pcrel = 1;
      rinfo->r_length = 2;
      break;
    default:
      return FALSE;
    }
  if ((*rel->sym_ptr_ptr)->flags & BSF_SECTION_SYM)
    {
      rinfo->r_extern = 0;
      rinfo->r_value =
	(*rel->sym_ptr_ptr)->section->output_section->target_index;
    }
  else
    {
      rinfo->r_extern = 1;
      rinfo->r_value = (*rel->sym_ptr_ptr)->udata.i;
    }
  return TRUE;
}

static reloc_howto_type *
bfd_mach_o_x86_64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
                                         bfd_reloc_code_real_type code)
{
  unsigned int i;

  for (i = 0;
       i < sizeof (x86_64_howto_table) / sizeof (*x86_64_howto_table);
       i++)
    if (code == x86_64_howto_table[i].type)
      return &x86_64_howto_table[i];
  return NULL;
}

static reloc_howto_type *
bfd_mach_o_x86_64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
                                         const char *name ATTRIBUTE_UNUSED)
{
  return NULL;
}

static bfd_boolean
bfd_mach_o_section_type_valid_for_x86_64 (unsigned long val)
{
  if (val == BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS
      || val == BFD_MACH_O_S_LAZY_SYMBOL_POINTERS
      || val == BFD_MACH_O_S_SYMBOL_STUBS)
    return FALSE;
  return TRUE;
}

/* We want to bump the alignment of some sections.  */
static const mach_o_section_name_xlat text_section_names_xlat[] =
  {
    {	".eh_frame",				"__eh_frame",
	SEC_READONLY | SEC_DATA | SEC_LOAD,	BFD_MACH_O_S_COALESCED,
	BFD_MACH_O_S_ATTR_LIVE_SUPPORT
	| BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS
	| BFD_MACH_O_S_ATTR_NO_TOC,		3},
    { NULL, NULL, 0, 0, 0, 0}
  };

const mach_o_segment_name_xlat mach_o_x86_64_segsec_names_xlat[] =
  {
    { "__TEXT", text_section_names_xlat },
    { NULL, NULL }
  };

#define bfd_mach_o_canonicalize_one_reloc bfd_mach_o_x86_64_canonicalize_one_reloc
#define bfd_mach_o_swap_reloc_out bfd_mach_o_x86_64_swap_reloc_out

#define bfd_mach_o_bfd_reloc_type_lookup bfd_mach_o_x86_64_bfd_reloc_type_lookup
#define bfd_mach_o_bfd_reloc_name_lookup bfd_mach_o_x86_64_bfd_reloc_name_lookup
#define bfd_mach_o_print_thread NULL
#define bfd_mach_o_tgt_seg_table mach_o_x86_64_segsec_names_xlat
#define bfd_mach_o_section_type_valid_for_tgt bfd_mach_o_section_type_valid_for_x86_64

#define TARGET_NAME 		x86_64_mach_o_vec
#define TARGET_STRING 		"mach-o-x86-64"
#define TARGET_ARCHITECTURE	bfd_arch_i386
#define TARGET_PAGESIZE		4096
#define TARGET_BIG_ENDIAN 	0
#define TARGET_ARCHIVE 		0
#define TARGET_PRIORITY		0
#include "mach-o-target.c"
Commit	Line	Data
618b7301	1	/* Intel x86-64 Mach-O support for BFD.
2571583a	2	Copyright (C) 2010-2017 Free Software Foundation, Inc.
618b7301 TG	3
	4	This file is part of BFD, the Binary File Descriptor library.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 3 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	19	MA 02110-1301, USA. */
	20
	21	#include "sysdep.h"
	22	#include "mach-o.h"
	23	#include "bfd.h"
	24	#include "libbfd.h"
	25	#include "libiberty.h"
46d1c23b	26	#include "mach-o/x86-64.h"
618b7301 TG	27
	28	#define bfd_mach_o_object_p bfd_mach_o_x86_64_object_p
	29	#define bfd_mach_o_core_p bfd_mach_o_x86_64_core_p
	30	#define bfd_mach_o_mkobject bfd_mach_o_x86_64_mkobject
	31
	32	static const bfd_target *
	33	bfd_mach_o_x86_64_object_p (bfd *abfd)
	34	{
47daa70f	35	return bfd_mach_o_header_p (abfd, 0, 0, BFD_MACH_O_CPU_TYPE_X86_64);
618b7301 TG	36	}
	37
	38	static const bfd_target *
	39	bfd_mach_o_x86_64_core_p (bfd *abfd)
	40	{
47daa70f	41	return bfd_mach_o_header_p (abfd, 0,
618b7301 TG	42	BFD_MACH_O_MH_CORE, BFD_MACH_O_CPU_TYPE_X86_64);
	43	}
	44
	45	static bfd_boolean
	46	bfd_mach_o_x86_64_mkobject (bfd *abfd)
	47	{
	48	bfd_mach_o_data_struct *mdata;
	49
	50	if (!bfd_mach_o_mkobject_init (abfd))
	51	return FALSE;
	52
	53	mdata = bfd_mach_o_get_data (abfd);
fde33808	54	mdata->header.magic = BFD_MACH_O_MH_MAGIC_64;
618b7301	55	mdata->header.cputype = BFD_MACH_O_CPU_TYPE_X86_64;
12241a34 TG	56	mdata->header.cpusubtype =
12241a34 TG	57	BFD_MACH_O_CPU_SUBTYPE_X86_ALL \| BFD_MACH_O_CPU_SUBTYPE_LIB64;
618b7301	58	mdata->header.byteorder = BFD_ENDIAN_LITTLE;
fde33808	59	mdata->header.version = 2;
618b7301 TG	60
	61	return TRUE;
	62	}
	63
	64	/* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
	65	#define MINUS_ONE (~ (bfd_vma) 0)
	66
	67	static reloc_howto_type x86_64_howto_table[]=
	68	{
	69	/* 0 */
	70	HOWTO(BFD_RELOC_64, 0, 4, 64, FALSE, 0,
	71	complain_overflow_bitfield,
	72	NULL, "64",
	73	FALSE, MINUS_ONE, MINUS_ONE, FALSE),
	74	HOWTO(BFD_RELOC_32, 0, 2, 32, FALSE, 0,
	75	complain_overflow_bitfield,
	76	NULL, "32",
	77	FALSE, 0xffffffff, 0xffffffff, FALSE),
	78	HOWTO(BFD_RELOC_32_PCREL, 0, 2, 32, TRUE, 0,
	79	complain_overflow_bitfield,
	80	NULL, "DISP32",
	81	FALSE, 0xffffffff, 0xffffffff, TRUE),
	82	HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_1, 0, 2, 32, TRUE, 0,
	83	complain_overflow_bitfield,
	84	NULL, "DISP32_1",
	85	FALSE, 0xffffffff, 0xffffffff, TRUE),
	86	/* 4 */
	87	HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_2, 0, 2, 32, TRUE, 0,
	88	complain_overflow_bitfield,
	89	NULL, "DISP32_2",
	90	FALSE, 0xffffffff, 0xffffffff, TRUE),
	91	HOWTO(BFD_RELOC_MACH_O_X86_64_PCREL32_4, 0, 2, 32, TRUE, 0,
	92	complain_overflow_bitfield,
	93	NULL, "DISP32_4",
	94	FALSE, 0xffffffff, 0xffffffff, TRUE),
	95	HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH32, 0, 2, 32, TRUE, 0,
	96	complain_overflow_bitfield,
	97	NULL, "BRANCH32",
	98	FALSE, 0xffffffff, 0xffffffff, TRUE),
	99	HOWTO(BFD_RELOC_MACH_O_X86_64_GOT_LOAD, 0, 2, 32, TRUE, 0,
	100	complain_overflow_bitfield,
	101	NULL, "GOT_LOAD",
	102	FALSE, 0xffffffff, 0xffffffff, TRUE),
	103	/* 8 */
9b334a2c	104	HOWTO(BFD_RELOC_MACH_O_SUBTRACTOR32, 0, 2, 32, FALSE, 0,
618b7301 TG	105	complain_overflow_bitfield,
	106	NULL, "SUBTRACTOR32",
	107	FALSE, 0xffffffff, 0xffffffff, FALSE),
9b334a2c	108	HOWTO(BFD_RELOC_MACH_O_SUBTRACTOR64, 0, 4, 64, FALSE, 0,
618b7301 TG	109	complain_overflow_bitfield,
	110	NULL, "SUBTRACTOR64",
	111	FALSE, MINUS_ONE, MINUS_ONE, FALSE),
	112	HOWTO(BFD_RELOC_MACH_O_X86_64_GOT, 0, 2, 32, TRUE, 0,
	113	complain_overflow_bitfield,
	114	NULL, "GOT",
	115	FALSE, 0xffffffff, 0xffffffff, TRUE),
	116	HOWTO(BFD_RELOC_MACH_O_X86_64_BRANCH8, 0, 0, 8, TRUE, 0,
	117	complain_overflow_bitfield,
	118	NULL, "BRANCH8",
	119	FALSE, 0xff, 0xff, TRUE),
	120	};
	121
	122	static bfd_boolean
ca4cf9b9 NC	123	bfd_mach_o_x86_64_canonicalize_one_reloc (bfd * abfd,
	124	struct mach_o_reloc_info_external * raw,
	125	arelent * res,
	126	asymbol ** syms,
	127	arelent * res_base ATTRIBUTE_UNUSED)
618b7301	128	{
bcb51645 TG	129	bfd_mach_o_reloc_info reloc;
	130
	131	if (!bfd_mach_o_pre_canonicalize_one_reloc (abfd, raw, &reloc, res, syms))
	132	return FALSE;
	133
618b7301	134	/* On x86-64, scattered relocs are not used. */
bcb51645	135	if (reloc.r_scattered)
618b7301 TG	136	return FALSE;
618b7301 TG	137
bcb51645	138	switch (reloc.r_type)
618b7301 TG	139	{
618b7301 TG	140	case BFD_MACH_O_X86_64_RELOC_UNSIGNED:
bcb51645	141	if (reloc.r_pcrel)
618b7301	142	return FALSE;
bcb51645	143	switch (reloc.r_length)
618b7301 TG	144	{
	145	case 2:
	146	res->howto = &x86_64_howto_table[1];
	147	return TRUE;
	148	case 3:
	149	res->howto = &x86_64_howto_table[0];
	150	return TRUE;
	151	default:
	152	return FALSE;
	153	}
	154	case BFD_MACH_O_X86_64_RELOC_SIGNED:
bcb51645	155	if (reloc.r_length == 2 && reloc.r_pcrel)
618b7301 TG	156	{
	157	res->howto = &x86_64_howto_table[2];
	158	return TRUE;
	159	}
	160	break;
	161	case BFD_MACH_O_X86_64_RELOC_BRANCH:
bcb51645	162	if (!reloc.r_pcrel)
618b7301	163	return FALSE;
bcb51645	164	switch (reloc.r_length)
618b7301 TG	165	{
	166	case 2:
	167	res->howto = &x86_64_howto_table[6];
	168	return TRUE;
	169	default:
	170	return FALSE;
	171	}
	172	break;
	173	case BFD_MACH_O_X86_64_RELOC_GOT_LOAD:
bcb51645	174	if (reloc.r_length == 2 && reloc.r_pcrel && reloc.r_extern)
618b7301 TG	175	{
	176	res->howto = &x86_64_howto_table[7];
	177	return TRUE;
	178	}
	179	break;
	180	case BFD_MACH_O_X86_64_RELOC_GOT:
bcb51645	181	if (reloc.r_length == 2 && reloc.r_pcrel && reloc.r_extern)
618b7301 TG	182	{
	183	res->howto = &x86_64_howto_table[10];
	184	return TRUE;
	185	}
	186	break;
	187	case BFD_MACH_O_X86_64_RELOC_SUBTRACTOR:
bcb51645	188	if (reloc.r_pcrel)
618b7301	189	return FALSE;
bcb51645	190	switch (reloc.r_length)
618b7301 TG	191	{
	192	case 2:
	193	res->howto = &x86_64_howto_table[8];
	194	return TRUE;
	195	case 3:
	196	res->howto = &x86_64_howto_table[9];
	197	return TRUE;
	198	default:
	199	return FALSE;
	200	}
	201	break;
	202	case BFD_MACH_O_X86_64_RELOC_SIGNED_1:
bcb51645	203	if (reloc.r_length == 2 && reloc.r_pcrel)
618b7301 TG	204	{
	205	res->howto = &x86_64_howto_table[3];
	206	return TRUE;
	207	}
	208	break;
	209	case BFD_MACH_O_X86_64_RELOC_SIGNED_2:
bcb51645	210	if (reloc.r_length == 2 && reloc.r_pcrel)
618b7301 TG	211	{
	212	res->howto = &x86_64_howto_table[4];
	213	return TRUE;
	214	}
	215	break;
	216	case BFD_MACH_O_X86_64_RELOC_SIGNED_4:
bcb51645	217	if (reloc.r_length == 2 && reloc.r_pcrel)
618b7301 TG	218	{
	219	res->howto = &x86_64_howto_table[5];
	220	return TRUE;
	221	}
	222	break;
	223	default:
	224	return FALSE;
	225	}
	226	return FALSE;
	227	}
	228
	229	static bfd_boolean
	230	bfd_mach_o_x86_64_swap_reloc_out (arelent rel, bfd_mach_o_reloc_info rinfo)
	231	{
	232	rinfo->r_address = rel->address;
fde33808	233	rinfo->r_scattered = 0;
618b7301 TG	234	switch (rel->howto->type)
618b7301 TG	235	{
71141310 TG	236	case BFD_RELOC_32:
	237	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_UNSIGNED;
	238	rinfo->r_pcrel = 0;
	239	rinfo->r_length = 2;
	240	break;
618b7301	241	case BFD_RELOC_64:
618b7301 TG	242	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_UNSIGNED;
618b7301 TG	243	rinfo->r_pcrel = 0;
fde33808 TG	244	rinfo->r_length = 3;
	245	break;
	246	case BFD_RELOC_32_PCREL:
71141310 TG	247	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED;
	248	rinfo->r_pcrel = 1;
	249	rinfo->r_length = 2;
	250	break;
	251	case BFD_RELOC_MACH_O_X86_64_PCREL32_1:
	252	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED_1;
	253	rinfo->r_pcrel = 1;
	254	rinfo->r_length = 2;
	255	break;
	256	case BFD_RELOC_MACH_O_X86_64_PCREL32_2:
	257	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED_2;
	258	rinfo->r_pcrel = 1;
	259	rinfo->r_length = 2;
	260	break;
	261	case BFD_RELOC_MACH_O_X86_64_PCREL32_4:
	262	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED_4;
	263	rinfo->r_pcrel = 1;
	264	rinfo->r_length = 2;
	265	break;
	266	case BFD_RELOC_MACH_O_X86_64_BRANCH32:
fde33808 TG	267	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_BRANCH;
	268	rinfo->r_pcrel = 1;
	269	rinfo->r_length = 2;
	270	break;
f075eb5e	271	case BFD_RELOC_MACH_O_SUBTRACTOR32:
71141310 TG	272	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SUBTRACTOR;
	273	rinfo->r_pcrel = 0;
	274	rinfo->r_length = 2;
	275	break;
f075eb5e	276	case BFD_RELOC_MACH_O_SUBTRACTOR64:
fde33808 TG	277	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SUBTRACTOR;
	278	rinfo->r_pcrel = 0;
	279	rinfo->r_length = 3;
	280	break;
71141310 TG	281	case BFD_RELOC_MACH_O_X86_64_GOT:
	282	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_GOT;
	283	rinfo->r_pcrel = 1;
	284	rinfo->r_length = 2;
	285	break;
fde33808 TG	286	case BFD_RELOC_MACH_O_X86_64_GOT_LOAD:
	287	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_GOT_LOAD;
	288	rinfo->r_pcrel = 1;
	289	rinfo->r_length = 2;
618b7301 TG	290	break;
	291	default:
	292	return FALSE;
	293	}
fde33808 TG	294	if ((*rel->sym_ptr_ptr)->flags & BSF_SECTION_SYM)
	295	{
	296	rinfo->r_extern = 0;
47c50932 TG	297	rinfo->r_value =
47c50932 TG	298	(*rel->sym_ptr_ptr)->section->output_section->target_index;
fde33808 TG	299	}
	300	else
	301	{
	302	rinfo->r_extern = 1;
	303	rinfo->r_value = (*rel->sym_ptr_ptr)->udata.i;
	304	}
618b7301 TG	305	return TRUE;
	306	}
	307
	308	static reloc_howto_type *
	309	bfd_mach_o_x86_64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	310	bfd_reloc_code_real_type code)
	311	{
	312	unsigned int i;
	313
	314	for (i = 0;
	315	i < sizeof (x86_64_howto_table) / sizeof (*x86_64_howto_table);
	316	i++)
	317	if (code == x86_64_howto_table[i].type)
	318	return &x86_64_howto_table[i];
	319	return NULL;
	320	}
	321
	322	static reloc_howto_type *
	323	bfd_mach_o_x86_64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	324	const char *name ATTRIBUTE_UNUSED)
	325	{
	326	return NULL;
	327	}
	328
ab76eeaf IS	329	static bfd_boolean
	330	bfd_mach_o_section_type_valid_for_x86_64 (unsigned long val)
	331	{
	332	if (val == BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS
	333	\|\| val == BFD_MACH_O_S_LAZY_SYMBOL_POINTERS
	334	\|\| val == BFD_MACH_O_S_SYMBOL_STUBS)
	335	return FALSE;
	336	return TRUE;
	337	}
	338
632039e0 IS	339	/* We want to bump the alignment of some sections. */
	340	static const mach_o_section_name_xlat text_section_names_xlat[] =
	341	{
	342	{ ".eh_frame", "__eh_frame",
	343	SEC_READONLY \| SEC_DATA \| SEC_LOAD, BFD_MACH_O_S_COALESCED,
	344	BFD_MACH_O_S_ATTR_LIVE_SUPPORT
	345	\| BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS
	346	\| BFD_MACH_O_S_ATTR_NO_TOC, 3},
	347	{ NULL, NULL, 0, 0, 0, 0}
	348	};
	349
	350	const mach_o_segment_name_xlat mach_o_x86_64_segsec_names_xlat[] =
	351	{
	352	{ "__TEXT", text_section_names_xlat },
	353	{ NULL, NULL }
	354	};
	355
bcb51645	356	#define bfd_mach_o_canonicalize_one_reloc bfd_mach_o_x86_64_canonicalize_one_reloc
618b7301 TG	357	#define bfd_mach_o_swap_reloc_out bfd_mach_o_x86_64_swap_reloc_out
	358
	359	#define bfd_mach_o_bfd_reloc_type_lookup bfd_mach_o_x86_64_bfd_reloc_type_lookup
	360	#define bfd_mach_o_bfd_reloc_name_lookup bfd_mach_o_x86_64_bfd_reloc_name_lookup
	361	#define bfd_mach_o_print_thread NULL
632039e0	362	#define bfd_mach_o_tgt_seg_table mach_o_x86_64_segsec_names_xlat
ab76eeaf	363	#define bfd_mach_o_section_type_valid_for_tgt bfd_mach_o_section_type_valid_for_x86_64
618b7301	364
6d00b590	365	#define TARGET_NAME x86_64_mach_o_vec
618b7301 TG	366	#define TARGET_STRING "mach-o-x86-64"
618b7301 TG	367	#define TARGET_ARCHITECTURE bfd_arch_i386
4384b284	368	#define TARGET_PAGESIZE 4096
618b7301 TG	369	#define TARGET_BIG_ENDIAN 0
618b7301 TG	370	#define TARGET_ARCHIVE 0
b93a1992	371	#define TARGET_PRIORITY 0
618b7301	372	#include "mach-o-target.c"