[deliverable/binutils-gdb.git] / bfd / coff-z8k.c

/* BFD back-end for Zilog Z800n COFF binaries.
   Copyright (C) 1992-2014 Free Software Foundation, Inc.
   Contributed by Cygnus Support.
   Written by Steve Chamberlain, <sac@cygnus.com>.

   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 "bfdlink.h"
#include "coff/z8k.h"
#include "coff/internal.h"
#include "libcoff.h"

#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)

static reloc_howto_type r_imm32 =
HOWTO (R_IMM32, 0, 2, 32, FALSE, 0,
       complain_overflow_bitfield, 0, "r_imm32", TRUE, 0xffffffff,
       0xffffffff, FALSE);

static reloc_howto_type r_imm4l =
HOWTO (R_IMM4L, 0, 0, 4, FALSE, 0,
       complain_overflow_bitfield, 0, "r_imm4l", TRUE, 0xf, 0xf, FALSE);

static reloc_howto_type r_da =
HOWTO (R_IMM16, 0, 1, 16, FALSE, 0,
       complain_overflow_bitfield, 0, "r_da", TRUE, 0x0000ffff, 0x0000ffff,
       FALSE);

static reloc_howto_type r_imm8 =
HOWTO (R_IMM8, 0, 0, 8, FALSE, 0,
       complain_overflow_bitfield, 0, "r_imm8", TRUE, 0x000000ff, 0x000000ff,
       FALSE);

static reloc_howto_type r_rel16 =
HOWTO (R_REL16, 0, 1, 16, FALSE, 0,
       complain_overflow_bitfield, 0, "r_rel16", TRUE, 0x0000ffff, 0x0000ffff,
       TRUE);

static reloc_howto_type r_jr =
HOWTO (R_JR, 1, 0, 8, TRUE, 0, complain_overflow_signed, 0,
       "r_jr", TRUE, 0xff, 0xff, TRUE);

static reloc_howto_type r_disp7 =
HOWTO (R_DISP7, 0, 0, 7, TRUE, 0, complain_overflow_bitfield, 0,
       "r_disp7", TRUE, 0x7f, 0x7f, TRUE);

static reloc_howto_type r_callr =
HOWTO (R_CALLR, 1, 1, 12, TRUE, 0, complain_overflow_signed, 0,
       "r_callr", TRUE, 0xfff, 0xfff, TRUE);

#define BADMAG(x) Z8KBADMAG(x)
#define Z8K 1			/* Customize coffcode.h.  */
#define __A_MAGIC_SET__

/* Code to swap in the reloc.  */
#define SWAP_IN_RELOC_OFFSET	H_GET_32
#define SWAP_OUT_RELOC_OFFSET	H_PUT_32
#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
  dst->r_stuff[0] = 'S'; \
  dst->r_stuff[1] = 'C';

/* Code to turn a r_type into a howto ptr, uses the above howto table.  */

static void
rtype2howto (arelent *internal, struct internal_reloc *dst)
{
  switch (dst->r_type)
    {
    default:
      abort ();
      break;
    case R_IMM8:
      internal->howto = &r_imm8;
      break;
     case R_IMM16:
      internal->howto = &r_da;
      break;
    case R_JR:
      internal->howto = &r_jr;
      break;
    case R_DISP7:
      internal->howto = &r_disp7;
      break;
    case R_CALLR:
      internal->howto = &r_callr;
      break;
    case R_REL16:
      internal->howto = &r_rel16;
      break;
    case R_IMM32:
      internal->howto = &r_imm32;
      break;
    case R_IMM4L:
      internal->howto = &r_imm4l;
      break;
    }
}

#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry)

static reloc_howto_type *
coff_z8k_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
                            bfd_reloc_code_real_type code)
{
  switch (code)
    {
    case BFD_RELOC_8:      	return & r_imm8;
    case BFD_RELOC_16:      	return & r_da;
    case BFD_RELOC_32:      	return & r_imm32;
    case BFD_RELOC_8_PCREL:     return & r_jr;
    case BFD_RELOC_16_PCREL:    return & r_rel16;
    case BFD_RELOC_Z8K_DISP7:   return & r_disp7;
    case BFD_RELOC_Z8K_CALLR:   return & r_callr;
    case BFD_RELOC_Z8K_IMM4L:   return & r_imm4l;
    default:			BFD_FAIL ();
      return 0;
    }
}

static reloc_howto_type *
coff_z8k_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
			    const char *r_name)
{
  if (strcasecmp (r_imm8.name, r_name) == 0)
    return &r_imm8;
  if (strcasecmp (r_da.name, r_name) == 0)
    return &r_da;
  if (strcasecmp (r_imm32.name, r_name) == 0)
    return &r_imm32;
  if (strcasecmp (r_jr.name, r_name) == 0)
    return &r_jr;
  if (strcasecmp (r_rel16.name, r_name) == 0)
    return &r_rel16;
  if (strcasecmp (r_disp7.name, r_name) == 0)
    return &r_disp7;
  if (strcasecmp (r_callr.name, r_name) == 0)
    return &r_callr;
  if (strcasecmp (r_imm4l.name, r_name) == 0)
    return &r_imm4l;

  return NULL;
}

/* Perform any necessary magic to the addend in a reloc entry.  */

#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
 cache_ptr->addend =  ext_reloc.r_offset;

#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
 reloc_processing(relent, reloc, symbols, abfd, section)

static void
reloc_processing (arelent *relent,
                  struct internal_reloc *reloc,
                  asymbol **symbols,
                  bfd *abfd,
                  asection *section)
{
  relent->address = reloc->r_vaddr;
  rtype2howto (relent, reloc);

  if (reloc->r_symndx > 0)
    relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
  else
    relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;

  relent->addend = reloc->r_offset;
  relent->address -= section->vma;
}

static void
extra_case (bfd *in_abfd,
            struct bfd_link_info *link_info,
            struct bfd_link_order *link_order,
            arelent *reloc,
            bfd_byte *data,
            unsigned int *src_ptr,
            unsigned int *dst_ptr)
{
  asection * input_section = link_order->u.indirect.section;

  switch (reloc->howto->type)
    {
    case R_IMM8:
      bfd_put_8 (in_abfd,
		 bfd_coff_reloc16_get_value (reloc, link_info, input_section),
		 data + *dst_ptr);
      (*dst_ptr) += 1;
      (*src_ptr) += 1;
      break;

    case R_IMM32:
      /* If no flags are set, assume immediate value.  */
      if (! (*reloc->sym_ptr_ptr)->section->flags)
	{
	  bfd_put_32 (in_abfd,
		      bfd_coff_reloc16_get_value (reloc, link_info,
						  input_section),
		      data + *dst_ptr);
	}
      else
	{
	  bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
						    input_section);
	  /* Addresses are 23 bit, and the layout of those in a 32-bit
	     value is as follows:
	       1AAAAAAA xxxxxxxx AAAAAAAA AAAAAAAA
	     (A - address bits,  x - ignore).  */
	  dst = (dst & 0xffff) | ((dst & 0xff0000) << 8) | 0x80000000;
	  bfd_put_32 (in_abfd, dst, data + *dst_ptr);
	}
      (*dst_ptr) += 4;
      (*src_ptr) += 4;
      break;

    case R_IMM4L:
      bfd_put_8 (in_abfd,
		 ((bfd_get_8 (in_abfd, data + *dst_ptr) & 0xf0)
		  | (0x0f
		     & bfd_coff_reloc16_get_value (reloc, link_info,
						   input_section))),
		 data + *dst_ptr);
      (*dst_ptr) += 1;
      (*src_ptr) += 1;
      break;

    case R_IMM16:
      bfd_put_16 (in_abfd,
		  bfd_coff_reloc16_get_value (reloc, link_info, input_section),
		  data + *dst_ptr);
      (*dst_ptr) += 2;
      (*src_ptr) += 2;
      break;

    case R_JR:
      {
	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
						  input_section);
	bfd_vma dot = (*dst_ptr
		       + input_section->output_offset
		       + input_section->output_section->vma);
	int gap = dst - dot - 1;  /* -1, since we're in the odd byte of the
                                     word and the pc's been incremented.  */

	if (gap & 1)
	  abort ();
	gap /= 2;
	if (gap > 128 || gap < -128)
	  {
	    if (! ((*link_info->callbacks->reloc_overflow)
		   (link_info, NULL,
		    bfd_asymbol_name (*reloc->sym_ptr_ptr),
		    reloc->howto->name, reloc->addend, input_section->owner,
		    input_section, reloc->address)))
	      abort ();
	  }
	bfd_put_8 (in_abfd, gap, data + *dst_ptr);
	(*dst_ptr)++;
	(*src_ptr)++;
	break;
      }

    case R_DISP7:
      {
	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
						  input_section);
	bfd_vma dot = (*dst_ptr
		       + input_section->output_offset
		       + input_section->output_section->vma);
	int gap = dst - dot - 1;  /* -1, since we're in the odd byte of the
                                     word and the pc's been incremented.  */

	if (gap & 1)
	  abort ();
	gap /= 2;

	if (gap > 0 || gap < -127)
	  {
	    if (! ((*link_info->callbacks->reloc_overflow)
		   (link_info, NULL,
		    bfd_asymbol_name (*reloc->sym_ptr_ptr),
		    reloc->howto->name, reloc->addend, input_section->owner,
		    input_section, reloc->address)))
	      abort ();
	  }
	bfd_put_8 (in_abfd,
                   (bfd_get_8 ( in_abfd, data + *dst_ptr) & 0x80) + (-gap & 0x7f),
                   data + *dst_ptr);
	(*dst_ptr)++;
	(*src_ptr)++;
	break;
      }

    case R_CALLR:
      {
	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
						  input_section);
	bfd_vma dot = (*dst_ptr
		       + input_section->output_offset
		       + input_section->output_section->vma);
	int gap = dst - dot - 2;

	if (gap & 1)
	  abort ();
	if (gap > 4096 || gap < -4095)
	  {
	    if (! ((*link_info->callbacks->reloc_overflow)
		   (link_info, NULL,
		    bfd_asymbol_name (*reloc->sym_ptr_ptr),
		    reloc->howto->name, reloc->addend, input_section->owner,
		    input_section, reloc->address)))
	      abort ();
	  }
	gap /= 2;
	bfd_put_16 (in_abfd,
                    (bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) | (-gap & 0x0fff),
                    data + *dst_ptr);
	(*dst_ptr) += 2;
	(*src_ptr) += 2;
	break;
      }

    case R_REL16:
      {
	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
						  input_section);
	bfd_vma dot = (*dst_ptr
		       + input_section->output_offset
		       + input_section->output_section->vma);
	int gap = dst - dot - 2;

	if (gap > 32767 || gap < -32768)
	  {
	    if (! ((*link_info->callbacks->reloc_overflow)
		   (link_info, NULL,
		    bfd_asymbol_name (*reloc->sym_ptr_ptr),
		    reloc->howto->name, reloc->addend, input_section->owner,
		    input_section, reloc->address)))
	      abort ();
	  }
	bfd_put_16 (in_abfd, (bfd_vma) gap, data + *dst_ptr);
	(*dst_ptr) += 2;
	(*src_ptr) += 2;
	break;
      }

    default:
      abort ();
    }
}

#define coff_reloc16_extra_cases    extra_case
#define coff_bfd_reloc_type_lookup  coff_z8k_reloc_type_lookup
#define coff_bfd_reloc_name_lookup coff_z8k_reloc_name_lookup

#ifndef bfd_pe_print_pdata
#define bfd_pe_print_pdata	NULL
#endif

#include "coffcode.h"

#undef  coff_bfd_get_relocated_section_contents
#define coff_bfd_get_relocated_section_contents \
  bfd_coff_reloc16_get_relocated_section_contents

#undef  coff_bfd_relax_section
#define coff_bfd_relax_section bfd_coff_reloc16_relax_section

CREATE_BIG_COFF_TARGET_VEC (z8k_coff_vec, "coff-z8k", 0, 0, '_', NULL, COFF_SWAP_TABLE)
Commit	Line	Data
252b5132	1	/* BFD back-end for Zilog Z800n COFF binaries.
4b95cf5c	2	Copyright (C) 1992-2014 Free Software Foundation, Inc.
252b5132 RH	3	Contributed by Cygnus Support.
	4	Written by Steve Chamberlain, <sac@cygnus.com>.
	5
c0524131	6	This file is part of BFD, the Binary File Descriptor library.
252b5132	7
c0524131 NC	8	This program is free software; you can redistribute it and/or modify
c0524131 NC	9	it under the terms of the GNU General Public License as published by
cd123cb7	10	the Free Software Foundation; either version 3 of the License, or
c0524131	11	(at your option) any later version.
252b5132	12
c0524131 NC	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
252b5132	17
c0524131 NC	18	You should have received a copy of the GNU General Public License
c0524131 NC	19	along with this program; if not, write to the Free Software
cd123cb7 NC	20	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
cd123cb7 NC	21	MA 02110-1301, USA. */
252b5132	22
252b5132	23	#include "sysdep.h"
3db64b00	24	#include "bfd.h"
252b5132 RH	25	#include "libbfd.h"
	26	#include "bfdlink.h"
	27	#include "coff/z8k.h"
	28	#include "coff/internal.h"
	29	#include "libcoff.h"
	30
	31	#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (1)
	32
	33	static reloc_howto_type r_imm32 =
b34976b6 AM	34	HOWTO (R_IMM32, 0, 2, 32, FALSE, 0,
	35	complain_overflow_bitfield, 0, "r_imm32", TRUE, 0xffffffff,
	36	0xffffffff, FALSE);
252b5132 RH	37
252b5132 RH	38	static reloc_howto_type r_imm4l =
b34976b6 AM	39	HOWTO (R_IMM4L, 0, 0, 4, FALSE, 0,
b34976b6 AM	40	complain_overflow_bitfield, 0, "r_imm4l", TRUE, 0xf, 0xf, FALSE);
252b5132 RH	41
252b5132 RH	42	static reloc_howto_type r_da =
b34976b6 AM	43	HOWTO (R_IMM16, 0, 1, 16, FALSE, 0,
	44	complain_overflow_bitfield, 0, "r_da", TRUE, 0x0000ffff, 0x0000ffff,
	45	FALSE);
252b5132 RH	46
252b5132 RH	47	static reloc_howto_type r_imm8 =
b34976b6 AM	48	HOWTO (R_IMM8, 0, 0, 8, FALSE, 0,
	49	complain_overflow_bitfield, 0, "r_imm8", TRUE, 0x000000ff, 0x000000ff,
	50	FALSE);
252b5132	51
6840198f	52	static reloc_howto_type r_rel16 =
b34976b6 AM	53	HOWTO (R_REL16, 0, 1, 16, FALSE, 0,
	54	complain_overflow_bitfield, 0, "r_rel16", TRUE, 0x0000ffff, 0x0000ffff,
	55	TRUE);
6840198f	56
252b5132	57	static reloc_howto_type r_jr =
c0524131 NC	58	HOWTO (R_JR, 1, 0, 8, TRUE, 0, complain_overflow_signed, 0,
c0524131 NC	59	"r_jr", TRUE, 0xff, 0xff, TRUE);
252b5132	60
6840198f	61	static reloc_howto_type r_disp7 =
b34976b6	62	HOWTO (R_DISP7, 0, 0, 7, TRUE, 0, complain_overflow_bitfield, 0,
c0524131	63	"r_disp7", TRUE, 0x7f, 0x7f, TRUE);
6840198f NC	64
6840198f NC	65	static reloc_howto_type r_callr =
c0524131	66	HOWTO (R_CALLR, 1, 1, 12, TRUE, 0, complain_overflow_signed, 0,
b34976b6	67	"r_callr", TRUE, 0xfff, 0xfff, TRUE);
6840198f	68
252b5132	69	#define BADMAG(x) Z8KBADMAG(x)
c0524131	70	#define Z8K 1 /* Customize coffcode.h. */
252b5132 RH	71	#define __A_MAGIC_SET__
252b5132 RH	72
f4ffd778	73	/* Code to swap in the reloc. */
dc810e39 AM	74	#define SWAP_IN_RELOC_OFFSET H_GET_32
dc810e39 AM	75	#define SWAP_OUT_RELOC_OFFSET H_PUT_32
252b5132 RH	76	#define SWAP_OUT_RELOC_EXTRA(abfd, src, dst) \
	77	dst->r_stuff[0] = 'S'; \
	78	dst->r_stuff[1] = 'C';
	79
f4ffd778	80	/* Code to turn a r_type into a howto ptr, uses the above howto table. */
252b5132 RH	81
252b5132 RH	82	static void
552585ed	83	rtype2howto (arelent internal, struct internal_reloc dst)
252b5132 RH	84	{
	85	switch (dst->r_type)
	86	{
	87	default:
	88	abort ();
	89	break;
	90	case R_IMM8:
	91	internal->howto = &r_imm8;
	92	break;
	93	case R_IMM16:
	94	internal->howto = &r_da;
	95	break;
	96	case R_JR:
	97	internal->howto = &r_jr;
	98	break;
6840198f NC	99	case R_DISP7:
	100	internal->howto = &r_disp7;
	101	break;
	102	case R_CALLR:
	103	internal->howto = &r_callr;
	104	break;
	105	case R_REL16:
	106	internal->howto = &r_rel16;
	107	break;
252b5132 RH	108	case R_IMM32:
	109	internal->howto = &r_imm32;
	110	break;
	111	case R_IMM4L:
	112	internal->howto = &r_imm4l;
	113	break;
	114	}
	115	}
	116
f4ffd778	117	#define RTYPE2HOWTO(internal, relocentry) rtype2howto (internal, relocentry)
252b5132	118
c0524131 NC	119	static reloc_howto_type *
	120	coff_z8k_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	121	bfd_reloc_code_real_type code)
	122	{
	123	switch (code)
	124	{
	125	case BFD_RELOC_8: return & r_imm8;
	126	case BFD_RELOC_16: return & r_da;
	127	case BFD_RELOC_32: return & r_imm32;
	128	case BFD_RELOC_8_PCREL: return & r_jr;
	129	case BFD_RELOC_16_PCREL: return & r_rel16;
	130	case BFD_RELOC_Z8K_DISP7: return & r_disp7;
	131	case BFD_RELOC_Z8K_CALLR: return & r_callr;
	132	case BFD_RELOC_Z8K_IMM4L: return & r_imm4l;
	133	default: BFD_FAIL ();
	134	return 0;
	135	}
	136	}
	137
157090f7 AM	138	static reloc_howto_type *
	139	coff_z8k_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	140	const char *r_name)
	141	{
	142	if (strcasecmp (r_imm8.name, r_name) == 0)
	143	return &r_imm8;
	144	if (strcasecmp (r_da.name, r_name) == 0)
	145	return &r_da;
	146	if (strcasecmp (r_imm32.name, r_name) == 0)
	147	return &r_imm32;
	148	if (strcasecmp (r_jr.name, r_name) == 0)
	149	return &r_jr;
	150	if (strcasecmp (r_rel16.name, r_name) == 0)
	151	return &r_rel16;
	152	if (strcasecmp (r_disp7.name, r_name) == 0)
	153	return &r_disp7;
	154	if (strcasecmp (r_callr.name, r_name) == 0)
	155	return &r_callr;
	156	if (strcasecmp (r_imm4l.name, r_name) == 0)
	157	return &r_imm4l;
	158
	159	return NULL;
	160	}
	161
f4ffd778	162	/* Perform any necessary magic to the addend in a reloc entry. */
252b5132	163
252b5132 RH	164	#define CALC_ADDEND(abfd, symbol, ext_reloc, cache_ptr) \
	165	cache_ptr->addend = ext_reloc.r_offset;
	166
252b5132 RH	167	#define RELOC_PROCESSING(relent,reloc,symbols,abfd,section) \
	168	reloc_processing(relent, reloc, symbols, abfd, section)
	169
cbfe05c4	170	static void
552585ed CG	171	reloc_processing (arelent *relent,
	172	struct internal_reloc *reloc,
	173	asymbol **symbols,
	174	bfd *abfd,
	175	asection *section)
252b5132 RH	176	{
	177	relent->address = reloc->r_vaddr;
	178	rtype2howto (relent, reloc);
	179
	180	if (reloc->r_symndx > 0)
879db8be	181	relent->sym_ptr_ptr = symbols + obj_convert (abfd)[reloc->r_symndx];
252b5132	182	else
879db8be	183	relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
252b5132	184
252b5132 RH	185	relent->addend = reloc->r_offset;
	186	relent->address -= section->vma;
	187	}
	188
	189	static void
552585ed CG	190	extra_case (bfd *in_abfd,
	191	struct bfd_link_info *link_info,
	192	struct bfd_link_order *link_order,
	193	arelent *reloc,
	194	bfd_byte *data,
	195	unsigned int *src_ptr,
	196	unsigned int *dst_ptr)
252b5132	197	{
879db8be	198	asection * input_section = link_order->u.indirect.section;
252b5132 RH	199
	200	switch (reloc->howto->type)
	201	{
	202	case R_IMM8:
	203	bfd_put_8 (in_abfd,
	204	bfd_coff_reloc16_get_value (reloc, link_info, input_section),
	205	data + *dst_ptr);
	206	(*dst_ptr) += 1;
	207	(*src_ptr) += 1;
	208	break;
	209
	210	case R_IMM32:
3c25c5f6 NC	211	/* If no flags are set, assume immediate value. */
	212	if (! (*reloc->sym_ptr_ptr)->section->flags)
	213	{
	214	bfd_put_32 (in_abfd,
	215	bfd_coff_reloc16_get_value (reloc, link_info,
	216	input_section),
	217	data + *dst_ptr);
	218	}
	219	else
	220	{
	221	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
	222	input_section);
5c4491d3	223	/* Addresses are 23 bit, and the layout of those in a 32-bit
3c25c5f6 NC	224	value is as follows:
	225	1AAAAAAA xxxxxxxx AAAAAAAA AAAAAAAA
	226	(A - address bits, x - ignore). */
	227	dst = (dst & 0xffff) \| ((dst & 0xff0000) << 8) \| 0x80000000;
	228	bfd_put_32 (in_abfd, dst, data + *dst_ptr);
	229	}
252b5132 RH	230	(*dst_ptr) += 4;
	231	(*src_ptr) += 4;
	232	break;
	233
	234	case R_IMM4L:
	235	bfd_put_8 (in_abfd,
cbfe05c4	236	((bfd_get_8 (in_abfd, data + *dst_ptr) & 0xf0)
252b5132 RH	237	\| (0x0f
	238	& bfd_coff_reloc16_get_value (reloc, link_info,
	239	input_section))),
	240	data + *dst_ptr);
	241	(*dst_ptr) += 1;
	242	(*src_ptr) += 1;
	243	break;
	244
	245	case R_IMM16:
	246	bfd_put_16 (in_abfd,
	247	bfd_coff_reloc16_get_value (reloc, link_info, input_section),
	248	data + *dst_ptr);
	249	(*dst_ptr) += 2;
	250	(*src_ptr) += 2;
	251	break;
	252
	253	case R_JR:
	254	{
	255	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
	256	input_section);
44da2da1 AM	257	bfd_vma dot = (*dst_ptr
44da2da1 AM	258	+ input_section->output_offset
252b5132	259	+ input_section->output_section->vma);
879db8be NC	260	int gap = dst - dot - 1; /* -1, since we're in the odd byte of the
879db8be NC	261	word and the pc's been incremented. */
252b5132 RH	262
	263	if (gap & 1)
	264	abort ();
	265	gap /= 2;
	266	if (gap > 128 \|\| gap < -128)
	267	{
	268	if (! ((*link_info->callbacks->reloc_overflow)
dfeffb9f L	269	(link_info, NULL,
dfeffb9f L	270	bfd_asymbol_name (*reloc->sym_ptr_ptr),
252b5132 RH	271	reloc->howto->name, reloc->addend, input_section->owner,
	272	input_section, reloc->address)))
	273	abort ();
	274	}
	275	bfd_put_8 (in_abfd, gap, data + *dst_ptr);
	276	(*dst_ptr)++;
	277	(*src_ptr)++;
	278	break;
	279	}
6840198f NC	280
	281	case R_DISP7:
	282	{
	283	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
	284	input_section);
44da2da1 AM	285	bfd_vma dot = (*dst_ptr
44da2da1 AM	286	+ input_section->output_offset
6840198f	287	+ input_section->output_section->vma);
879db8be NC	288	int gap = dst - dot - 1; /* -1, since we're in the odd byte of the
879db8be NC	289	word and the pc's been incremented. */
6840198f NC	290
	291	if (gap & 1)
	292	abort ();
	293	gap /= 2;
	294
8b7cf393	295	if (gap > 0 \|\| gap < -127)
6840198f NC	296	{
6840198f NC	297	if (! ((*link_info->callbacks->reloc_overflow)
dfeffb9f L	298	(link_info, NULL,
dfeffb9f L	299	bfd_asymbol_name (*reloc->sym_ptr_ptr),
6840198f NC	300	reloc->howto->name, reloc->addend, input_section->owner,
	301	input_section, reloc->address)))
	302	abort ();
	303	}
	304	bfd_put_8 (in_abfd,
	305	(bfd_get_8 ( in_abfd, data + *dst_ptr) & 0x80) + (-gap & 0x7f),
	306	data + *dst_ptr);
	307	(*dst_ptr)++;
	308	(*src_ptr)++;
	309	break;
	310	}
	311
	312	case R_CALLR:
	313	{
	314	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
	315	input_section);
44da2da1 AM	316	bfd_vma dot = (*dst_ptr
44da2da1 AM	317	+ input_section->output_offset
6840198f NC	318	+ input_section->output_section->vma);
	319	int gap = dst - dot - 2;
	320
	321	if (gap & 1)
	322	abort ();
8b7cf393	323	if (gap > 4096 \|\| gap < -4095)
6840198f NC	324	{
6840198f NC	325	if (! ((*link_info->callbacks->reloc_overflow)
dfeffb9f L	326	(link_info, NULL,
dfeffb9f L	327	bfd_asymbol_name (*reloc->sym_ptr_ptr),
6840198f NC	328	reloc->howto->name, reloc->addend, input_section->owner,
	329	input_section, reloc->address)))
	330	abort ();
	331	}
8b7cf393	332	gap /= 2;
6840198f NC	333	bfd_put_16 (in_abfd,
	334	(bfd_get_16 ( in_abfd, data + *dst_ptr) & 0xf000) \| (-gap & 0x0fff),
	335	data + *dst_ptr);
	336	(*dst_ptr) += 2;
	337	(*src_ptr) += 2;
	338	break;
	339	}
	340
	341	case R_REL16:
	342	{
	343	bfd_vma dst = bfd_coff_reloc16_get_value (reloc, link_info,
	344	input_section);
44da2da1 AM	345	bfd_vma dot = (*dst_ptr
44da2da1 AM	346	+ input_section->output_offset
6840198f NC	347	+ input_section->output_section->vma);
	348	int gap = dst - dot - 2;
	349
	350	if (gap > 32767 \|\| gap < -32768)
	351	{
	352	if (! ((*link_info->callbacks->reloc_overflow)
dfeffb9f L	353	(link_info, NULL,
dfeffb9f L	354	bfd_asymbol_name (*reloc->sym_ptr_ptr),
6840198f NC	355	reloc->howto->name, reloc->addend, input_section->owner,
	356	input_section, reloc->address)))
	357	abort ();
	358	}
dc810e39	359	bfd_put_16 (in_abfd, (bfd_vma) gap, data + *dst_ptr);
6840198f NC	360	(*dst_ptr) += 2;
	361	(*src_ptr) += 2;
	362	break;
	363	}
879db8be	364
252b5132 RH	365	default:
	366	abort ();
	367	}
	368	}
	369
c0524131 NC	370	#define coff_reloc16_extra_cases extra_case
c0524131 NC	371	#define coff_bfd_reloc_type_lookup coff_z8k_reloc_type_lookup
157090f7	372	#define coff_bfd_reloc_name_lookup coff_z8k_reloc_name_lookup
252b5132	373
2b5c217d NC	374	#ifndef bfd_pe_print_pdata
	375	#define bfd_pe_print_pdata NULL
	376	#endif
	377
252b5132 RH	378	#include "coffcode.h"
252b5132 RH	379
252b5132	380	#undef coff_bfd_get_relocated_section_contents
252b5132 RH	381	#define coff_bfd_get_relocated_section_contents \
252b5132 RH	382	bfd_coff_reloc16_get_relocated_section_contents
c0524131 NC	383
c0524131 NC	384	#undef coff_bfd_relax_section
252b5132 RH	385	#define coff_bfd_relax_section bfd_coff_reloc16_relax_section
252b5132 RH	386
6d00b590	387	CREATE_BIG_COFF_TARGET_VEC (z8k_coff_vec, "coff-z8k", 0, 0, '_', NULL, COFF_SWAP_TABLE)