[binutils.git] / bfd / elf64-nfp.c

/* NFP-specific support for 64-bit ELF
   Copyright (C) 2017-2022 Free Software Foundation, Inc.
   Contributed by Francois H. Theron <[email protected]>

   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/nfp.h"


static bfd_reloc_status_type
elf64_nfp_reloc (bfd * abfd ATTRIBUTE_UNUSED,
		 arelent * reloc_entry,
		 asymbol * symbol,
		 void *data ATTRIBUTE_UNUSED,
		 asection * input_section,
		 bfd * output_bfd,
		 char **error_message ATTRIBUTE_UNUSED);

/* We don't actually apply any relocations in this toolset
   so we make them all do nothing, but at least display useful
   names.
   Most of these are mainly used by the NFP toolchain to resolve things
   before the final ELF file is created.  */
static reloc_howto_type elf_nfp_howto_table[] =
{
  HOWTO (R_NFP_NOTYPE,		/* Type.  */
	 0,			/* Rightshift.  */
	 3,			/* Size.  */
	 0,			/* Bitsize.  */
	 false,			/* PC_relative.  */
	 0,			/* Bitpos.  */
	 complain_overflow_dont,/* Complain_on_overflow.  */
	 elf64_nfp_reloc,	/* Special_function.  */
	 "R_NFP_NOTYPE",	/* Name.  */
	 false,			/* Partial_inplace.  */
	 0,			/* Src_mask.  */
	 0,			/* Dst_mask.  */
	 false),		/* PCrel_offset.  */
  HOWTO (R_NFP_W32LE, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W32LE",
	 false, 0, 0, false),
  HOWTO (R_NFP_SRC8_A, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_SRC8_A",
	 false, 0, 0, false),
  HOWTO (R_NFP_SRC8_B, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_SRC8_B",
	 false, 0, 0, false),
  HOWTO (R_NFP_IMMED8_I, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_IMMED8_I",
	 false, 0, 0, false),
  HOWTO (R_NFP_SC, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_SC",
	 false, 0, 0, false),
  HOWTO (R_NFP_IMMED_LO16_I_A, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_IMMED_LO16_I_A",
	 false, 0, 0, false),
  HOWTO (R_NFP_IMMED_LO16_I_B, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_IMMED_LO16_I_B",
	 true, 0, 0, false),
  HOWTO (R_NFP_SRC7_B, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_SRC7_B",
	 false, 0, 0, false),
  HOWTO (R_NFP_SRC7_A, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_SRC7_A",
	 false, 0, 0, false),
  HOWTO (R_NFP_SRC8_I_B, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_SRC8_I_B",
	 false, 0, 0, false),
  HOWTO (R_NFP_SRC8_I_A, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_SRC8_I_A",
	 false, 0, 0, false),
  HOWTO (R_NFP_IMMED_HI16_I_A, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_IMMED_HI16_I_A",
	 false, 0, 0, false),
  HOWTO (R_NFP_IMMED_HI16_I_B, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_IMMED_HI16_I_B",
	 false, 0, 0, false),
  HOWTO (R_NFP_W64LE, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W64LE",
	 false, 0, 0, false),
  HOWTO (R_NFP_SH_INFO, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_SH_INFO",
	 false, 0, 0, false),
  HOWTO (R_NFP_W32BE, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W32BE",
	 false, 0, 0, false),
  HOWTO (R_NFP_W64BE, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W64BE",
	 false, 0, 0, false),
  HOWTO (R_NFP_W32_29_24, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W32_29_24",
	 false, 0, 0, false),
  HOWTO (R_NFP_W32LE_AND, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W32LE_AND",
	 false, 0, 0, false),
  HOWTO (R_NFP_W32BE_AND, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W32BE_AND",
	 false, 0, 0, false),
  HOWTO (R_NFP_W32LE_OR, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W32LE_OR",
	 false, 0, 0, false),
  HOWTO (R_NFP_W32BE_OR, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W32BE_OR",
	 false, 0, 0, false),
  HOWTO (R_NFP_W64LE_AND, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W64LE_AND",
	 false, 0, 0, false),
  HOWTO (R_NFP_W64BE_AND, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W64BE_AND",
	 false, 0, 0, false),
  HOWTO (R_NFP_W64LE_OR, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W64LE_OR",
	 false, 0, 0, false),
  HOWTO (R_NFP_W64BE_OR, 0, 3, 0, false, 0,
	 complain_overflow_dont, elf64_nfp_reloc,
	 "R_NFP_W64BE_OR",
	 false, 0, 0, false)
};

static bool
elf64_nfp_object_p (bfd * abfd)
{
  /* If the e_machine value is one of the unofficial ones, we convert
     it first and set e_flags accordingly for later consistency.  */
  if (elf_elfheader (abfd)->e_machine == E_NFP_MACH_3200)
    {
      elf_elfheader (abfd)->e_machine = EM_NFP;
      elf_elfheader (abfd)->e_flags &= ~EF_NFP_SET_MACH (~0);
      elf_elfheader (abfd)->e_flags |= EF_NFP_SET_MACH (E_NFP_MACH_3200);
    }
  else if (elf_elfheader (abfd)->e_machine == E_NFP_MACH_6000)
    {
      elf_elfheader (abfd)->e_machine = EM_NFP;
      elf_elfheader (abfd)->e_flags &= ~EF_NFP_SET_MACH (~0);
      elf_elfheader (abfd)->e_flags |= EF_NFP_SET_MACH (E_NFP_MACH_6000);
    }

  if (elf_elfheader (abfd)->e_machine == EM_NFP)
    {
      int e_mach = EF_NFP_MACH (elf_elfheader (abfd)->e_flags);

      switch (e_mach)
	{
	case E_NFP_MACH_3200:
	case E_NFP_MACH_6000:
	  if (!bfd_default_set_arch_mach (abfd, bfd_arch_nfp, e_mach))
	    return false;
	default:
	  break;
	}
    }

  return true;
}

static bool
elf64_nfp_section_from_shdr (bfd * abfd,
			     Elf_Internal_Shdr * hdr,
			     const char *name, int shindex)
{
  switch (hdr->sh_type)
    {
    case SHT_NFP_INITREG:
    case SHT_NFP_MECONFIG:
    case SHT_NFP_UDEBUG:
      return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex);
    default:
      return false;
    }
}

bfd_reloc_status_type
elf64_nfp_reloc (bfd * abfd ATTRIBUTE_UNUSED,
		 arelent * reloc_entry ATTRIBUTE_UNUSED,
		 asymbol * symbol ATTRIBUTE_UNUSED,
		 void *data ATTRIBUTE_UNUSED,
		 asection * input_section ATTRIBUTE_UNUSED,
		 bfd * output_bfd ATTRIBUTE_UNUSED,
		 char **error_message ATTRIBUTE_UNUSED)
{
  return bfd_reloc_ok;
}

static bool
elf64_nfp_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED,
			 arelent * cache_ptr, Elf_Internal_Rela * dst)
{
  unsigned int r_type;

  r_type = ELF64_R_TYPE (dst->r_info);
  if (r_type >= R_NFP_MAX)
    {
      /* xgettext:c-format */
      _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
			  abfd, r_type);
      bfd_set_error (bfd_error_bad_value);
      return false;
    }
  cache_ptr->howto = &elf_nfp_howto_table[r_type];
  return true;
}

static reloc_howto_type *
elf64_nfp_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
			     bfd_reloc_code_real_type code ATTRIBUTE_UNUSED)
{
  return NULL;
}

static reloc_howto_type *
elf64_nfp_reloc_name_lookup (bfd * abfd ATTRIBUTE_UNUSED,
			     const char *r_name ATTRIBUTE_UNUSED)
{
  return NULL;
}

#define ELF_ARCH		bfd_arch_nfp
#define ELF_MACHINE_CODE	EM_NFP
#define ELF_MACHINE_ALT1	E_NFP_MACH_6000
#define ELF_MACHINE_ALT2	E_NFP_MACH_3200
#define ELF_MAXPAGESIZE		1
#define TARGET_LITTLE_NAME	"elf64-nfp"
#define TARGET_LITTLE_SYM       nfp_elf64_vec

#define elf_backend_object_p		elf64_nfp_object_p
#define elf_backend_section_from_shdr   elf64_nfp_section_from_shdr
#define elf_info_to_howto		elf64_nfp_info_to_howto
#define bfd_elf64_bfd_reloc_type_lookup	     elf64_nfp_reloc_type_lookup
#define bfd_elf64_bfd_reloc_name_lookup      elf64_nfp_reloc_name_lookup

#include "elf64-target.h"
Commit	Line	Data
fe944acf	1	/* NFP-specific support for 64-bit ELF
a2c58332	2	Copyright (C) 2017-2022 Free Software Foundation, Inc.
fe944acf FT	3	Contributed by Francois H. Theron <[email protected]>
	4
	5	This file is part of BFD, the Binary File Descriptor library.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 3 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 51 Franklin Street - Fifth Floor,
	20	Boston, MA 02110-1301, USA. */
	21
	22	#include "sysdep.h"
	23	#include "bfd.h"
	24	#include "libbfd.h"
	25	#include "elf-bfd.h"
	26	#include "elf/nfp.h"
fe944acf FT	27
	28
	29	static bfd_reloc_status_type
	30	elf64_nfp_reloc (bfd * abfd ATTRIBUTE_UNUSED,
	31	arelent * reloc_entry,
	32	asymbol * symbol,
	33	void *data ATTRIBUTE_UNUSED,
	34	asection * input_section,
	35	bfd * output_bfd,
	36	char **error_message ATTRIBUTE_UNUSED);
	37
	38	/* We don't actually apply any relocations in this toolset
	39	so we make them all do nothing, but at least display useful
	40	names.
	41	Most of these are mainly used by the NFP toolchain to resolve things
	42	before the final ELF file is created. */
	43	static reloc_howto_type elf_nfp_howto_table[] =
	44	{
	45	HOWTO (R_NFP_NOTYPE, /* Type. */
	46	0, /* Rightshift. */
	47	3, /* Size. */
	48	0, /* Bitsize. */
0a1b45a2	49	false, /* PC_relative. */
fe944acf FT	50	0, /* Bitpos. */
	51	complain_overflow_dont,/* Complain_on_overflow. */
	52	elf64_nfp_reloc, /* Special_function. */
	53	"R_NFP_NOTYPE", /* Name. */
0a1b45a2	54	false, /* Partial_inplace. */
fe944acf FT	55	0, /* Src_mask. */
fe944acf FT	56	0, /* Dst_mask. */
0a1b45a2 AM	57	false), /* PCrel_offset. */
0a1b45a2 AM	58	HOWTO (R_NFP_W32LE, 0, 3, 0, false, 0,
fe944acf FT	59	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	60	"R_NFP_W32LE",
0a1b45a2 AM	61	false, 0, 0, false),
0a1b45a2 AM	62	HOWTO (R_NFP_SRC8_A, 0, 3, 0, false, 0,
fe944acf FT	63	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	64	"R_NFP_SRC8_A",
0a1b45a2 AM	65	false, 0, 0, false),
0a1b45a2 AM	66	HOWTO (R_NFP_SRC8_B, 0, 3, 0, false, 0,
fe944acf FT	67	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	68	"R_NFP_SRC8_B",
0a1b45a2 AM	69	false, 0, 0, false),
0a1b45a2 AM	70	HOWTO (R_NFP_IMMED8_I, 0, 3, 0, false, 0,
fe944acf FT	71	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	72	"R_NFP_IMMED8_I",
0a1b45a2 AM	73	false, 0, 0, false),
0a1b45a2 AM	74	HOWTO (R_NFP_SC, 0, 3, 0, false, 0,
fe944acf FT	75	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	76	"R_NFP_SC",
0a1b45a2 AM	77	false, 0, 0, false),
0a1b45a2 AM	78	HOWTO (R_NFP_IMMED_LO16_I_A, 0, 3, 0, false, 0,
fe944acf FT	79	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	80	"R_NFP_IMMED_LO16_I_A",
0a1b45a2 AM	81	false, 0, 0, false),
0a1b45a2 AM	82	HOWTO (R_NFP_IMMED_LO16_I_B, 0, 3, 0, false, 0,
fe944acf FT	83	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	84	"R_NFP_IMMED_LO16_I_B",
0a1b45a2 AM	85	true, 0, 0, false),
0a1b45a2 AM	86	HOWTO (R_NFP_SRC7_B, 0, 3, 0, false, 0,
fe944acf FT	87	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	88	"R_NFP_SRC7_B",
0a1b45a2 AM	89	false, 0, 0, false),
0a1b45a2 AM	90	HOWTO (R_NFP_SRC7_A, 0, 3, 0, false, 0,
fe944acf FT	91	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	92	"R_NFP_SRC7_A",
0a1b45a2 AM	93	false, 0, 0, false),
0a1b45a2 AM	94	HOWTO (R_NFP_SRC8_I_B, 0, 3, 0, false, 0,
fe944acf FT	95	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	96	"R_NFP_SRC8_I_B",
0a1b45a2 AM	97	false, 0, 0, false),
0a1b45a2 AM	98	HOWTO (R_NFP_SRC8_I_A, 0, 3, 0, false, 0,
fe944acf FT	99	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	100	"R_NFP_SRC8_I_A",
0a1b45a2 AM	101	false, 0, 0, false),
0a1b45a2 AM	102	HOWTO (R_NFP_IMMED_HI16_I_A, 0, 3, 0, false, 0,
fe944acf FT	103	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	104	"R_NFP_IMMED_HI16_I_A",
0a1b45a2 AM	105	false, 0, 0, false),
0a1b45a2 AM	106	HOWTO (R_NFP_IMMED_HI16_I_B, 0, 3, 0, false, 0,
fe944acf FT	107	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	108	"R_NFP_IMMED_HI16_I_B",
0a1b45a2 AM	109	false, 0, 0, false),
0a1b45a2 AM	110	HOWTO (R_NFP_W64LE, 0, 3, 0, false, 0,
fe944acf FT	111	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	112	"R_NFP_W64LE",
0a1b45a2 AM	113	false, 0, 0, false),
0a1b45a2 AM	114	HOWTO (R_NFP_SH_INFO, 0, 3, 0, false, 0,
fe944acf FT	115	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	116	"R_NFP_SH_INFO",
0a1b45a2 AM	117	false, 0, 0, false),
0a1b45a2 AM	118	HOWTO (R_NFP_W32BE, 0, 3, 0, false, 0,
fe944acf FT	119	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	120	"R_NFP_W32BE",
0a1b45a2 AM	121	false, 0, 0, false),
0a1b45a2 AM	122	HOWTO (R_NFP_W64BE, 0, 3, 0, false, 0,
fe944acf FT	123	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	124	"R_NFP_W64BE",
0a1b45a2 AM	125	false, 0, 0, false),
0a1b45a2 AM	126	HOWTO (R_NFP_W32_29_24, 0, 3, 0, false, 0,
fe944acf FT	127	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	128	"R_NFP_W32_29_24",
0a1b45a2 AM	129	false, 0, 0, false),
0a1b45a2 AM	130	HOWTO (R_NFP_W32LE_AND, 0, 3, 0, false, 0,
fe944acf FT	131	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	132	"R_NFP_W32LE_AND",
0a1b45a2 AM	133	false, 0, 0, false),
0a1b45a2 AM	134	HOWTO (R_NFP_W32BE_AND, 0, 3, 0, false, 0,
fe944acf FT	135	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	136	"R_NFP_W32BE_AND",
0a1b45a2 AM	137	false, 0, 0, false),
0a1b45a2 AM	138	HOWTO (R_NFP_W32LE_OR, 0, 3, 0, false, 0,
fe944acf FT	139	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	140	"R_NFP_W32LE_OR",
0a1b45a2 AM	141	false, 0, 0, false),
0a1b45a2 AM	142	HOWTO (R_NFP_W32BE_OR, 0, 3, 0, false, 0,
fe944acf FT	143	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	144	"R_NFP_W32BE_OR",
0a1b45a2 AM	145	false, 0, 0, false),
0a1b45a2 AM	146	HOWTO (R_NFP_W64LE_AND, 0, 3, 0, false, 0,
fe944acf FT	147	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	148	"R_NFP_W64LE_AND",
0a1b45a2 AM	149	false, 0, 0, false),
0a1b45a2 AM	150	HOWTO (R_NFP_W64BE_AND, 0, 3, 0, false, 0,
fe944acf FT	151	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	152	"R_NFP_W64BE_AND",
0a1b45a2 AM	153	false, 0, 0, false),
0a1b45a2 AM	154	HOWTO (R_NFP_W64LE_OR, 0, 3, 0, false, 0,
fe944acf FT	155	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	156	"R_NFP_W64LE_OR",
0a1b45a2 AM	157	false, 0, 0, false),
0a1b45a2 AM	158	HOWTO (R_NFP_W64BE_OR, 0, 3, 0, false, 0,
fe944acf FT	159	complain_overflow_dont, elf64_nfp_reloc,
fe944acf FT	160	"R_NFP_W64BE_OR",
0a1b45a2	161	false, 0, 0, false)
fe944acf FT	162	};
fe944acf FT	163
0a1b45a2	164	static bool
fe944acf FT	165	elf64_nfp_object_p (bfd * abfd)
	166	{
	167	/* If the e_machine value is one of the unofficial ones, we convert
	168	it first and set e_flags accordingly for later consistency. */
	169	if (elf_elfheader (abfd)->e_machine == E_NFP_MACH_3200)
	170	{
	171	elf_elfheader (abfd)->e_machine = EM_NFP;
	172	elf_elfheader (abfd)->e_flags &= ~EF_NFP_SET_MACH (~0);
	173	elf_elfheader (abfd)->e_flags \|= EF_NFP_SET_MACH (E_NFP_MACH_3200);
	174	}
	175	else if (elf_elfheader (abfd)->e_machine == E_NFP_MACH_6000)
	176	{
	177	elf_elfheader (abfd)->e_machine = EM_NFP;
	178	elf_elfheader (abfd)->e_flags &= ~EF_NFP_SET_MACH (~0);
	179	elf_elfheader (abfd)->e_flags \|= EF_NFP_SET_MACH (E_NFP_MACH_6000);
	180	}
	181
	182	if (elf_elfheader (abfd)->e_machine == EM_NFP)
	183	{
	184	int e_mach = EF_NFP_MACH (elf_elfheader (abfd)->e_flags);
	185
	186	switch (e_mach)
	187	{
	188	case E_NFP_MACH_3200:
	189	case E_NFP_MACH_6000:
	190	if (!bfd_default_set_arch_mach (abfd, bfd_arch_nfp, e_mach))
0a1b45a2	191	return false;
fe944acf FT	192	default:
	193	break;
	194	}
	195	}
	196
0a1b45a2	197	return true;
fe944acf FT	198	}
fe944acf FT	199
0a1b45a2	200	static bool
fe944acf FT	201	elf64_nfp_section_from_shdr (bfd * abfd,
	202	Elf_Internal_Shdr * hdr,
	203	const char *name, int shindex)
	204	{
	205	switch (hdr->sh_type)
	206	{
	207	case SHT_NFP_INITREG:
	208	case SHT_NFP_MECONFIG:
	209	case SHT_NFP_UDEBUG:
	210	return _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex);
	211	default:
0a1b45a2	212	return false;
fe944acf FT	213	}
	214	}
	215
	216	bfd_reloc_status_type
	217	elf64_nfp_reloc (bfd * abfd ATTRIBUTE_UNUSED,
	218	arelent * reloc_entry ATTRIBUTE_UNUSED,
	219	asymbol * symbol ATTRIBUTE_UNUSED,
	220	void *data ATTRIBUTE_UNUSED,
	221	asection * input_section ATTRIBUTE_UNUSED,
	222	bfd * output_bfd ATTRIBUTE_UNUSED,
	223	char **error_message ATTRIBUTE_UNUSED)
	224	{
	225	return bfd_reloc_ok;
	226	}
	227
0a1b45a2	228	static bool
fe944acf FT	229	elf64_nfp_info_to_howto (bfd * abfd ATTRIBUTE_UNUSED,
	230	arelent * cache_ptr, Elf_Internal_Rela * dst)
	231	{
	232	unsigned int r_type;
	233
	234	r_type = ELF64_R_TYPE (dst->r_info);
	235	if (r_type >= R_NFP_MAX)
	236	{
	237	/* xgettext:c-format */
	238	_bfd_error_handler (_("%pB: unsupported relocation type %#x"),
	239	abfd, r_type);
	240	bfd_set_error (bfd_error_bad_value);
0a1b45a2	241	return false;
fe944acf FT	242	}
fe944acf FT	243	cache_ptr->howto = &elf_nfp_howto_table[r_type];
0a1b45a2	244	return true;
fe944acf FT	245	}
	246
	247	static reloc_howto_type *
	248	elf64_nfp_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
	249	bfd_reloc_code_real_type code ATTRIBUTE_UNUSED)
	250	{
	251	return NULL;
	252	}
	253
	254	static reloc_howto_type *
	255	elf64_nfp_reloc_name_lookup (bfd * abfd ATTRIBUTE_UNUSED,
	256	const char *r_name ATTRIBUTE_UNUSED)
	257	{
	258	return NULL;
	259	}
	260
	261	#define ELF_ARCH bfd_arch_nfp
	262	#define ELF_MACHINE_CODE EM_NFP
	263	#define ELF_MACHINE_ALT1 E_NFP_MACH_6000
	264	#define ELF_MACHINE_ALT2 E_NFP_MACH_3200
	265	#define ELF_MAXPAGESIZE 1
	266	#define TARGET_LITTLE_NAME "elf64-nfp"
	267	#define TARGET_LITTLE_SYM nfp_elf64_vec
	268
	269	#define elf_backend_object_p elf64_nfp_object_p
	270	#define elf_backend_section_from_shdr elf64_nfp_section_from_shdr
	271	#define elf_info_to_howto elf64_nfp_info_to_howto
	272	#define bfd_elf64_bfd_reloc_type_lookup elf64_nfp_reloc_type_lookup
	273	#define bfd_elf64_bfd_reloc_name_lookup elf64_nfp_reloc_name_lookup
	274
	275	#include "elf64-target.h"