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

/* Intel x86-64 Mach-O support for BFD.
   Copyright (C) 2010-2016 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)
{
  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.
6f2750fe	2	Copyright (C) 2010-2016 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
bcb51645 TG	123	bfd_mach_o_x86_64_canonicalize_one_reloc (bfd *abfd,
	124	struct mach_o_reloc_info_external *raw,
	125	arelent res, asymbol *syms)
618b7301	126	{
bcb51645 TG	127	bfd_mach_o_reloc_info reloc;
	128
	129	if (!bfd_mach_o_pre_canonicalize_one_reloc (abfd, raw, &reloc, res, syms))
	130	return FALSE;
	131
618b7301	132	/* On x86-64, scattered relocs are not used. */
bcb51645	133	if (reloc.r_scattered)
618b7301 TG	134	return FALSE;
618b7301 TG	135
bcb51645	136	switch (reloc.r_type)
618b7301 TG	137	{
618b7301 TG	138	case BFD_MACH_O_X86_64_RELOC_UNSIGNED:
bcb51645	139	if (reloc.r_pcrel)
618b7301	140	return FALSE;
bcb51645	141	switch (reloc.r_length)
618b7301 TG	142	{
	143	case 2:
	144	res->howto = &x86_64_howto_table[1];
	145	return TRUE;
	146	case 3:
	147	res->howto = &x86_64_howto_table[0];
	148	return TRUE;
	149	default:
	150	return FALSE;
	151	}
	152	case BFD_MACH_O_X86_64_RELOC_SIGNED:
bcb51645	153	if (reloc.r_length == 2 && reloc.r_pcrel)
618b7301 TG	154	{
	155	res->howto = &x86_64_howto_table[2];
	156	return TRUE;
	157	}
	158	break;
	159	case BFD_MACH_O_X86_64_RELOC_BRANCH:
bcb51645	160	if (!reloc.r_pcrel)
618b7301	161	return FALSE;
bcb51645	162	switch (reloc.r_length)
618b7301 TG	163	{
	164	case 2:
	165	res->howto = &x86_64_howto_table[6];
	166	return TRUE;
	167	default:
	168	return FALSE;
	169	}
	170	break;
	171	case BFD_MACH_O_X86_64_RELOC_GOT_LOAD:
bcb51645	172	if (reloc.r_length == 2 && reloc.r_pcrel && reloc.r_extern)
618b7301 TG	173	{
	174	res->howto = &x86_64_howto_table[7];
	175	return TRUE;
	176	}
	177	break;
	178	case BFD_MACH_O_X86_64_RELOC_GOT:
bcb51645	179	if (reloc.r_length == 2 && reloc.r_pcrel && reloc.r_extern)
618b7301 TG	180	{
	181	res->howto = &x86_64_howto_table[10];
	182	return TRUE;
	183	}
	184	break;
	185	case BFD_MACH_O_X86_64_RELOC_SUBTRACTOR:
bcb51645	186	if (reloc.r_pcrel)
618b7301	187	return FALSE;
bcb51645	188	switch (reloc.r_length)
618b7301 TG	189	{
	190	case 2:
	191	res->howto = &x86_64_howto_table[8];
	192	return TRUE;
	193	case 3:
	194	res->howto = &x86_64_howto_table[9];
	195	return TRUE;
	196	default:
	197	return FALSE;
	198	}
	199	break;
	200	case BFD_MACH_O_X86_64_RELOC_SIGNED_1:
bcb51645	201	if (reloc.r_length == 2 && reloc.r_pcrel)
618b7301 TG	202	{
	203	res->howto = &x86_64_howto_table[3];
	204	return TRUE;
	205	}
	206	break;
	207	case BFD_MACH_O_X86_64_RELOC_SIGNED_2:
bcb51645	208	if (reloc.r_length == 2 && reloc.r_pcrel)
618b7301 TG	209	{
	210	res->howto = &x86_64_howto_table[4];
	211	return TRUE;
	212	}
	213	break;
	214	case BFD_MACH_O_X86_64_RELOC_SIGNED_4:
bcb51645	215	if (reloc.r_length == 2 && reloc.r_pcrel)
618b7301 TG	216	{
	217	res->howto = &x86_64_howto_table[5];
	218	return TRUE;
	219	}
	220	break;
	221	default:
	222	return FALSE;
	223	}
	224	return FALSE;
	225	}
	226
	227	static bfd_boolean
	228	bfd_mach_o_x86_64_swap_reloc_out (arelent rel, bfd_mach_o_reloc_info rinfo)
	229	{
	230	rinfo->r_address = rel->address;
fde33808	231	rinfo->r_scattered = 0;
618b7301 TG	232	switch (rel->howto->type)
618b7301 TG	233	{
71141310 TG	234	case BFD_RELOC_32:
	235	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_UNSIGNED;
	236	rinfo->r_pcrel = 0;
	237	rinfo->r_length = 2;
	238	break;
618b7301	239	case BFD_RELOC_64:
618b7301 TG	240	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_UNSIGNED;
618b7301 TG	241	rinfo->r_pcrel = 0;
fde33808 TG	242	rinfo->r_length = 3;
	243	break;
	244	case BFD_RELOC_32_PCREL:
71141310 TG	245	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED;
	246	rinfo->r_pcrel = 1;
	247	rinfo->r_length = 2;
	248	break;
	249	case BFD_RELOC_MACH_O_X86_64_PCREL32_1:
	250	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED_1;
	251	rinfo->r_pcrel = 1;
	252	rinfo->r_length = 2;
	253	break;
	254	case BFD_RELOC_MACH_O_X86_64_PCREL32_2:
	255	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED_2;
	256	rinfo->r_pcrel = 1;
	257	rinfo->r_length = 2;
	258	break;
	259	case BFD_RELOC_MACH_O_X86_64_PCREL32_4:
	260	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SIGNED_4;
	261	rinfo->r_pcrel = 1;
	262	rinfo->r_length = 2;
	263	break;
	264	case BFD_RELOC_MACH_O_X86_64_BRANCH32:
fde33808 TG	265	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_BRANCH;
	266	rinfo->r_pcrel = 1;
	267	rinfo->r_length = 2;
	268	break;
f075eb5e	269	case BFD_RELOC_MACH_O_SUBTRACTOR32:
71141310 TG	270	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SUBTRACTOR;
	271	rinfo->r_pcrel = 0;
	272	rinfo->r_length = 2;
	273	break;
f075eb5e	274	case BFD_RELOC_MACH_O_SUBTRACTOR64:
fde33808 TG	275	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_SUBTRACTOR;
	276	rinfo->r_pcrel = 0;
	277	rinfo->r_length = 3;
	278	break;
71141310 TG	279	case BFD_RELOC_MACH_O_X86_64_GOT:
	280	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_GOT;
	281	rinfo->r_pcrel = 1;
	282	rinfo->r_length = 2;
	283	break;
fde33808 TG	284	case BFD_RELOC_MACH_O_X86_64_GOT_LOAD:
	285	rinfo->r_type = BFD_MACH_O_X86_64_RELOC_GOT_LOAD;
	286	rinfo->r_pcrel = 1;
	287	rinfo->r_length = 2;
618b7301 TG	288	break;
	289	default:
	290	return FALSE;
	291	}
fde33808 TG	292	if ((*rel->sym_ptr_ptr)->flags & BSF_SECTION_SYM)
	293	{
	294	rinfo->r_extern = 0;
47c50932 TG	295	rinfo->r_value =
47c50932 TG	296	(*rel->sym_ptr_ptr)->section->output_section->target_index;
fde33808 TG	297	}
	298	else
	299	{
	300	rinfo->r_extern = 1;
	301	rinfo->r_value = (*rel->sym_ptr_ptr)->udata.i;
	302	}
618b7301 TG	303	return TRUE;
	304	}
	305
	306	static reloc_howto_type *
	307	bfd_mach_o_x86_64_bfd_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	308	bfd_reloc_code_real_type code)
	309	{
	310	unsigned int i;
	311
	312	for (i = 0;
	313	i < sizeof (x86_64_howto_table) / sizeof (*x86_64_howto_table);
	314	i++)
	315	if (code == x86_64_howto_table[i].type)
	316	return &x86_64_howto_table[i];
	317	return NULL;
	318	}
	319
	320	static reloc_howto_type *
	321	bfd_mach_o_x86_64_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	322	const char *name ATTRIBUTE_UNUSED)
	323	{
	324	return NULL;
	325	}
	326
ab76eeaf IS	327	static bfd_boolean
	328	bfd_mach_o_section_type_valid_for_x86_64 (unsigned long val)
	329	{
	330	if (val == BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS
	331	\|\| val == BFD_MACH_O_S_LAZY_SYMBOL_POINTERS
	332	\|\| val == BFD_MACH_O_S_SYMBOL_STUBS)
	333	return FALSE;
	334	return TRUE;
	335	}
	336
632039e0 IS	337	/* We want to bump the alignment of some sections. */
	338	static const mach_o_section_name_xlat text_section_names_xlat[] =
	339	{
	340	{ ".eh_frame", "__eh_frame",
	341	SEC_READONLY \| SEC_DATA \| SEC_LOAD, BFD_MACH_O_S_COALESCED,
	342	BFD_MACH_O_S_ATTR_LIVE_SUPPORT
	343	\| BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS
	344	\| BFD_MACH_O_S_ATTR_NO_TOC, 3},
	345	{ NULL, NULL, 0, 0, 0, 0}
	346	};
	347
	348	const mach_o_segment_name_xlat mach_o_x86_64_segsec_names_xlat[] =
	349	{
	350	{ "__TEXT", text_section_names_xlat },
	351	{ NULL, NULL }
	352	};
	353
bcb51645	354	#define bfd_mach_o_canonicalize_one_reloc bfd_mach_o_x86_64_canonicalize_one_reloc
618b7301 TG	355	#define bfd_mach_o_swap_reloc_out bfd_mach_o_x86_64_swap_reloc_out
	356
	357	#define bfd_mach_o_bfd_reloc_type_lookup bfd_mach_o_x86_64_bfd_reloc_type_lookup
	358	#define bfd_mach_o_bfd_reloc_name_lookup bfd_mach_o_x86_64_bfd_reloc_name_lookup
	359	#define bfd_mach_o_print_thread NULL
632039e0	360	#define bfd_mach_o_tgt_seg_table mach_o_x86_64_segsec_names_xlat
ab76eeaf	361	#define bfd_mach_o_section_type_valid_for_tgt bfd_mach_o_section_type_valid_for_x86_64
618b7301	362
6d00b590	363	#define TARGET_NAME x86_64_mach_o_vec
618b7301 TG	364	#define TARGET_STRING "mach-o-x86-64"
618b7301 TG	365	#define TARGET_ARCHITECTURE bfd_arch_i386
4384b284	366	#define TARGET_PAGESIZE 4096
618b7301 TG	367	#define TARGET_BIG_ENDIAN 0
618b7301 TG	368	#define TARGET_ARCHIVE 0
b93a1992	369	#define TARGET_PRIORITY 0
618b7301	370	#include "mach-o-target.c"