[binutils.git] / bfd / coff-tic4x.c

/* BFD back-end for TMS320C4X coff binaries.
   Copyright 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2005, 2007,
   2008, 2012  Free Software Foundation, Inc.

   Contributed by Michael Hayes ([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 "bfdlink.h"
#include "coff/tic4x.h"
#include "coff/internal.h"
#include "libcoff.h"

#undef  F_LSYMS
#define	F_LSYMS		F_LSYMS_TICOFF

static reloc_howto_type *
coff_tic4x_rtype_to_howto (bfd *, asection *, struct internal_reloc *,
			   struct coff_link_hash_entry *,
			   struct internal_syment *,  bfd_vma *);
static void
tic4x_reloc_processing (arelent *, struct internal_reloc *,
			asymbol **, bfd *, asection *);

/* Replace the stock _bfd_coff_is_local_label_name to recognize TI COFF local
   labels.  */
static bfd_boolean
ticoff_bfd_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED,
				const char *name)
{
  if (TICOFF_LOCAL_LABEL_P(name))
    return TRUE;
  return FALSE;
}

#define coff_bfd_is_local_label_name ticoff_bfd_is_local_label_name

#define RELOC_PROCESSING(RELENT,RELOC,SYMS,ABFD,SECT)\
 tic4x_reloc_processing (RELENT,RELOC,SYMS,ABFD,SECT)

/* Customize coffcode.h; the default coff_ functions are set up to use
   COFF2; coff_bad_format_hook uses BADMAG, so set that for COFF2.
   The COFF1 and COFF0 vectors use custom _bad_format_hook procs
   instead of setting BADMAG.  */
#define BADMAG(x) COFF2_BADMAG(x)

#undef  coff_rtype_to_howto
#define coff_rtype_to_howto	coff_tic4x_rtype_to_howto

#ifndef bfd_pe_print_pdata
#define bfd_pe_print_pdata	NULL
#endif

#include "coffcode.h"

static bfd_reloc_status_type
tic4x_relocation (bfd *abfd ATTRIBUTE_UNUSED,
		  arelent *reloc_entry,
		  asymbol *symbol ATTRIBUTE_UNUSED,
		  void * data ATTRIBUTE_UNUSED,
		  asection *input_section,
		  bfd *output_bfd,
		  char **error_message ATTRIBUTE_UNUSED)
{
  if (output_bfd != (bfd *) NULL)
    {
      /* This is a partial relocation, and we want to apply the
 	 relocation to the reloc entry rather than the raw data.
 	 Modify the reloc inplace to reflect what we now know.  */
      reloc_entry->address += input_section->output_offset;
      return bfd_reloc_ok;
    }
  return bfd_reloc_continue;
}

reloc_howto_type tic4x_howto_table[] =
{
    HOWTO(R_RELWORD,	 0,  2, 16, FALSE, 0, complain_overflow_signed,   tic4x_relocation, "RELWORD",   TRUE, 0x0000ffff, 0x0000ffff, FALSE),
    HOWTO(R_REL24,	 0,  2, 24, FALSE, 0, complain_overflow_bitfield, tic4x_relocation, "REL24",     TRUE, 0x00ffffff, 0x00ffffff, FALSE),
    HOWTO(R_RELLONG,	 0,  2, 32, FALSE, 0, complain_overflow_dont,     tic4x_relocation, "RELLONG",   TRUE, 0xffffffff, 0xffffffff, FALSE),
    HOWTO(R_PCRWORD,	 0,  2, 16, TRUE,  0, complain_overflow_signed,   tic4x_relocation, "PCRWORD",   TRUE, 0x0000ffff, 0x0000ffff, FALSE),
    HOWTO(R_PCR24,	 0,  2, 24, TRUE,  0, complain_overflow_signed,   tic4x_relocation, "PCR24",     TRUE, 0x00ffffff, 0x00ffffff, FALSE),
    HOWTO(R_PARTLS16,	 0,  2, 16, FALSE, 0, complain_overflow_dont,     tic4x_relocation, "PARTLS16",  TRUE, 0x0000ffff, 0x0000ffff, FALSE),
    HOWTO(R_PARTMS8,	16,  2, 16, FALSE, 0, complain_overflow_dont,     tic4x_relocation, "PARTMS8",   TRUE, 0x0000ffff, 0x0000ffff, FALSE),
    HOWTO(R_RELWORD,	 0,  2, 16, FALSE, 0, complain_overflow_signed,   tic4x_relocation, "ARELWORD",  TRUE, 0x0000ffff, 0x0000ffff, FALSE),
    HOWTO(R_REL24,	 0,  2, 24, FALSE, 0, complain_overflow_signed,   tic4x_relocation, "AREL24",    TRUE, 0x00ffffff, 0x00ffffff, FALSE),
    HOWTO(R_RELLONG,	 0,  2, 32, FALSE, 0, complain_overflow_signed,   tic4x_relocation, "ARELLONG",  TRUE, 0xffffffff, 0xffffffff, FALSE),
    HOWTO(R_PCRWORD,	 0,  2, 16, TRUE,  0, complain_overflow_signed,   tic4x_relocation, "APCRWORD",  TRUE, 0x0000ffff, 0x0000ffff, FALSE),
    HOWTO(R_PCR24,	 0,  2, 24, TRUE,  0, complain_overflow_signed,   tic4x_relocation, "APCR24",    TRUE, 0x00ffffff, 0x00ffffff, FALSE),
    HOWTO(R_PARTLS16,	 0,  2, 16, FALSE, 0, complain_overflow_dont,     tic4x_relocation, "APARTLS16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
    HOWTO(R_PARTMS8,	16,  2, 16, FALSE, 0, complain_overflow_dont,     tic4x_relocation, "APARTMS8",  TRUE, 0x0000ffff, 0x0000ffff, FALSE),
};
#define HOWTO_SIZE (sizeof(tic4x_howto_table) / sizeof(tic4x_howto_table[0]))

#undef coff_bfd_reloc_type_lookup
#define coff_bfd_reloc_type_lookup tic4x_coff_reloc_type_lookup
#undef coff_bfd_reloc_name_lookup
#define coff_bfd_reloc_name_lookup tic4x_coff_reloc_name_lookup

/* For the case statement use the code values used tc_gen_reloc (defined in
   bfd/reloc.c) to map to the howto table entries.  */

static reloc_howto_type *
tic4x_coff_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
			      bfd_reloc_code_real_type code)
{
  unsigned int type;
  unsigned int i;

  switch (code)
    {
    case BFD_RELOC_32:		type = R_RELLONG; break;
    case BFD_RELOC_24:		type = R_REL24; break;
    case BFD_RELOC_16:		type = R_RELWORD; break;
    case BFD_RELOC_24_PCREL:	type = R_PCR24; break;
    case BFD_RELOC_16_PCREL:	type = R_PCRWORD; break;
    case BFD_RELOC_HI16:	type = R_PARTMS8; break;
    case BFD_RELOC_LO16:	type = R_PARTLS16; break;
    default:
      return NULL;
    }

  for (i = 0; i < HOWTO_SIZE; i++)
    {
      if (tic4x_howto_table[i].type == type)
	return tic4x_howto_table + i;
    }
  return NULL;
}

static reloc_howto_type *
tic4x_coff_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
			      const char *r_name)
{
  unsigned int i;

  for (i = 0;
       i < sizeof (tic4x_howto_table) / sizeof (tic4x_howto_table[0]);
       i++)
    if (tic4x_howto_table[i].name != NULL
	&& strcasecmp (tic4x_howto_table[i].name, r_name) == 0)
      return &tic4x_howto_table[i];

  return NULL;
}

/* Code to turn a r_type into a howto ptr, uses the above howto table.
   Called after some initial checking by the tic4x_rtype_to_howto fn
   below.  */
static void
tic4x_lookup_howto (arelent *internal,
		    struct internal_reloc *dst)
{
  unsigned int i;
  int bank = (dst->r_symndx == -1) ? HOWTO_BANK : 0;

  for (i = 0; i < HOWTO_SIZE; i++)
    {
      if (tic4x_howto_table[i].type == dst->r_type)
	{
	  internal->howto = tic4x_howto_table + i + bank;
	  return;
	}
    }

  (*_bfd_error_handler) (_("Unrecognized reloc type 0x%x"),
			 (unsigned int) dst->r_type);
  abort();
}

static reloc_howto_type *
coff_tic4x_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
			   asection *sec,
			   struct internal_reloc *rel,
			   struct coff_link_hash_entry *h ATTRIBUTE_UNUSED,
			   struct internal_syment *sym ATTRIBUTE_UNUSED,
			   bfd_vma *addendp)
{
  arelent genrel;

  if (rel->r_symndx == -1 && addendp != NULL)
    /* This is a TI "internal relocation", which means that the relocation
       amount is the amount by which the current section is being relocated
       in the output section.  */
    *addendp = (sec->output_section->vma + sec->output_offset) - sec->vma;

  tic4x_lookup_howto (&genrel, rel);

  return genrel.howto;
}


static void
tic4x_reloc_processing (arelent *relent,
			struct internal_reloc *reloc,
			asymbol **symbols,
			bfd *abfd,
			asection *section)
{
  asymbol *ptr;

  relent->address = reloc->r_vaddr;

  if (reloc->r_symndx != -1)
    {
      if (reloc->r_symndx < 0 || reloc->r_symndx >= obj_conv_table_size (abfd))
        {
          (*_bfd_error_handler)
            (_("%s: warning: illegal symbol index %ld in relocs"),
             bfd_get_filename (abfd), reloc->r_symndx);
          relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
          ptr = NULL;
        }
      else
        {
          relent->sym_ptr_ptr = (symbols
                                 + obj_convert (abfd)[reloc->r_symndx]);
          ptr = *(relent->sym_ptr_ptr);
        }
    }
  else
    {
      relent->sym_ptr_ptr = section->symbol_ptr_ptr;
      ptr = *(relent->sym_ptr_ptr);
    }

  /* The symbols definitions that we have read in have been relocated
     as if their sections started at 0.  But the offsets refering to
     the symbols in the raw data have not been modified, so we have to
     have a negative addend to compensate.

     Note that symbols which used to be common must be left alone.  */

  /* Calculate any reloc addend by looking at the symbol.  */
  CALC_ADDEND (abfd, ptr, *reloc, relent);

  relent->address -= section->vma;
  /* !!     relent->section = (asection *) NULL;  */

  /* Fill in the relent->howto field from reloc->r_type.  */
  tic4x_lookup_howto (relent, reloc);
}


/* TI COFF v0, DOS tools (little-endian headers).  */
CREATE_LITTLE_COFF_TARGET_VEC(tic4x_coff0_vec, "coff0-tic4x", HAS_LOAD_PAGE, 0, '_', NULL, & ticoff0_swap_table);

/* TI COFF v0, SPARC tools (big-endian headers).  */
CREATE_BIGHDR_COFF_TARGET_VEC(tic4x_coff0_beh_vec, "coff0-beh-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff0_vec, & ticoff0_swap_table);

/* TI COFF v1, DOS tools (little-endian headers).  */
CREATE_LITTLE_COFF_TARGET_VEC(tic4x_coff1_vec, "coff1-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff0_beh_vec, & ticoff1_swap_table);

/* TI COFF v1, SPARC tools (big-endian headers).  */
CREATE_BIGHDR_COFF_TARGET_VEC(tic4x_coff1_beh_vec, "coff1-beh-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff1_vec, & ticoff1_swap_table);

/* TI COFF v2, TI DOS tools output (little-endian headers).  */
CREATE_LITTLE_COFF_TARGET_VEC(tic4x_coff2_vec, "coff2-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff1_beh_vec, COFF_SWAP_TABLE);

/* TI COFF v2, TI SPARC tools output (big-endian headers).  */
CREATE_BIGHDR_COFF_TARGET_VEC(tic4x_coff2_beh_vec, "coff2-beh-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff2_vec, COFF_SWAP_TABLE);
Commit	Line	Data
026df7c5	1	/* BFD back-end for TMS320C4X coff binaries.
2b5c217d	2	Copyright 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2005, 2007,
2c3fc389	3	2008, 2012 Free Software Foundation, Inc.
be33c5dd	4
026df7c5 NC	5	Contributed by Michael Hayes ([email protected])
	6
	7	This file is part of BFD, the Binary File Descriptor library.
	8
	9	This program is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
cd123cb7	11	the Free Software Foundation; either version 3 of the License, or
026df7c5 NC	12	(at your option) any later version.
	13
	14	This program is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with this program; if not, write to the Free Software
3e110533	21	Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
53e09e0a	22	02110-1301, USA. */
026df7c5	23
026df7c5	24	#include "sysdep.h"
3db64b00	25	#include "bfd.h"
026df7c5 NC	26	#include "libbfd.h"
	27	#include "bfdlink.h"
	28	#include "coff/tic4x.h"
	29	#include "coff/internal.h"
	30	#include "libcoff.h"
	31
	32	#undef F_LSYMS
	33	#define F_LSYMS F_LSYMS_TICOFF
	34
2c3fc389 NC	35	static reloc_howto_type *
	36	coff_tic4x_rtype_to_howto (bfd , asection , struct internal_reloc *,
	37	struct coff_link_hash_entry *,
	38	struct internal_syment , bfd_vma );
	39	static void
	40	tic4x_reloc_processing (arelent , struct internal_reloc ,
	41	asymbol *, bfd , asection *);
5af6ead6	42
026df7c5 NC	43	/* Replace the stock _bfd_coff_is_local_label_name to recognize TI COFF local
026df7c5 NC	44	labels. */
b34976b6	45	static bfd_boolean
2c3fc389 NC	46	ticoff_bfd_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED,
2c3fc389 NC	47	const char *name)
026df7c5 NC	48	{
026df7c5 NC	49	if (TICOFF_LOCAL_LABEL_P(name))
b34976b6 AM	50	return TRUE;
b34976b6 AM	51	return FALSE;
026df7c5 NC	52	}
	53
	54	#define coff_bfd_is_local_label_name ticoff_bfd_is_local_label_name
	55
026df7c5 NC	56	#define RELOC_PROCESSING(RELENT,RELOC,SYMS,ABFD,SECT)\
	57	tic4x_reloc_processing (RELENT,RELOC,SYMS,ABFD,SECT)
	58
	59	/* Customize coffcode.h; the default coff_ functions are set up to use
	60	COFF2; coff_bad_format_hook uses BADMAG, so set that for COFF2.
	61	The COFF1 and COFF0 vectors use custom _bad_format_hook procs
	62	instead of setting BADMAG. */
	63	#define BADMAG(x) COFF2_BADMAG(x)
3e25964f	64
2b5c217d NC	65	#undef coff_rtype_to_howto
	66	#define coff_rtype_to_howto coff_tic4x_rtype_to_howto
	67
	68	#ifndef bfd_pe_print_pdata
	69	#define bfd_pe_print_pdata NULL
	70	#endif
3e25964f	71
026df7c5 NC	72	#include "coffcode.h"
	73
	74	static bfd_reloc_status_type
2c3fc389 NC	75	tic4x_relocation (bfd *abfd ATTRIBUTE_UNUSED,
	76	arelent *reloc_entry,
	77	asymbol *symbol ATTRIBUTE_UNUSED,
	78	void * data ATTRIBUTE_UNUSED,
	79	asection *input_section,
	80	bfd *output_bfd,
	81	char **error_message ATTRIBUTE_UNUSED)
b34976b6	82	{
026df7c5 NC	83	if (output_bfd != (bfd *) NULL)
	84	{
	85	/* This is a partial relocation, and we want to apply the
	86	relocation to the reloc entry rather than the raw data.
	87	Modify the reloc inplace to reflect what we now know. */
	88	reloc_entry->address += input_section->output_offset;
	89	return bfd_reloc_ok;
	90	}
	91	return bfd_reloc_continue;
	92	}
	93
b34976b6	94	reloc_howto_type tic4x_howto_table[] =
026df7c5	95	{
b34976b6 AM	96	HOWTO(R_RELWORD, 0, 2, 16, FALSE, 0, complain_overflow_signed, tic4x_relocation, "RELWORD", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
	97	HOWTO(R_REL24, 0, 2, 24, FALSE, 0, complain_overflow_bitfield, tic4x_relocation, "REL24", TRUE, 0x00ffffff, 0x00ffffff, FALSE),
	98	HOWTO(R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_dont, tic4x_relocation, "RELLONG", TRUE, 0xffffffff, 0xffffffff, FALSE),
	99	HOWTO(R_PCRWORD, 0, 2, 16, TRUE, 0, complain_overflow_signed, tic4x_relocation, "PCRWORD", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
	100	HOWTO(R_PCR24, 0, 2, 24, TRUE, 0, complain_overflow_signed, tic4x_relocation, "PCR24", TRUE, 0x00ffffff, 0x00ffffff, FALSE),
	101	HOWTO(R_PARTLS16, 0, 2, 16, FALSE, 0, complain_overflow_dont, tic4x_relocation, "PARTLS16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
	102	HOWTO(R_PARTMS8, 16, 2, 16, FALSE, 0, complain_overflow_dont, tic4x_relocation, "PARTMS8", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
	103	HOWTO(R_RELWORD, 0, 2, 16, FALSE, 0, complain_overflow_signed, tic4x_relocation, "ARELWORD", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
	104	HOWTO(R_REL24, 0, 2, 24, FALSE, 0, complain_overflow_signed, tic4x_relocation, "AREL24", TRUE, 0x00ffffff, 0x00ffffff, FALSE),
	105	HOWTO(R_RELLONG, 0, 2, 32, FALSE, 0, complain_overflow_signed, tic4x_relocation, "ARELLONG", TRUE, 0xffffffff, 0xffffffff, FALSE),
	106	HOWTO(R_PCRWORD, 0, 2, 16, TRUE, 0, complain_overflow_signed, tic4x_relocation, "APCRWORD", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
	107	HOWTO(R_PCR24, 0, 2, 24, TRUE, 0, complain_overflow_signed, tic4x_relocation, "APCR24", TRUE, 0x00ffffff, 0x00ffffff, FALSE),
	108	HOWTO(R_PARTLS16, 0, 2, 16, FALSE, 0, complain_overflow_dont, tic4x_relocation, "APARTLS16", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
	109	HOWTO(R_PARTMS8, 16, 2, 16, FALSE, 0, complain_overflow_dont, tic4x_relocation, "APARTMS8", TRUE, 0x0000ffff, 0x0000ffff, FALSE),
026df7c5 NC	110	};
	111	#define HOWTO_SIZE (sizeof(tic4x_howto_table) / sizeof(tic4x_howto_table[0]))
	112
	113	#undef coff_bfd_reloc_type_lookup
	114	#define coff_bfd_reloc_type_lookup tic4x_coff_reloc_type_lookup
157090f7 AM	115	#undef coff_bfd_reloc_name_lookup
157090f7 AM	116	#define coff_bfd_reloc_name_lookup tic4x_coff_reloc_name_lookup
026df7c5 NC	117
	118	/* For the case statement use the code values used tc_gen_reloc (defined in
	119	bfd/reloc.c) to map to the howto table entries. */
	120
	121	static reloc_howto_type *
2c3fc389 NC	122	tic4x_coff_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
2c3fc389 NC	123	bfd_reloc_code_real_type code)
026df7c5 NC	124	{
	125	unsigned int type;
	126	unsigned int i;
b34976b6	127
026df7c5 NC	128	switch (code)
	129	{
	130	case BFD_RELOC_32: type = R_RELLONG; break;
	131	case BFD_RELOC_24: type = R_REL24; break;
	132	case BFD_RELOC_16: type = R_RELWORD; break;
	133	case BFD_RELOC_24_PCREL: type = R_PCR24; break;
	134	case BFD_RELOC_16_PCREL: type = R_PCRWORD; break;
	135	case BFD_RELOC_HI16: type = R_PARTMS8; break;
	136	case BFD_RELOC_LO16: type = R_PARTLS16; break;
	137	default:
	138	return NULL;
	139	}
b34976b6	140
026df7c5 NC	141	for (i = 0; i < HOWTO_SIZE; i++)
	142	{
	143	if (tic4x_howto_table[i].type == type)
	144	return tic4x_howto_table + i;
	145	}
	146	return NULL;
	147	}
	148
157090f7 AM	149	static reloc_howto_type *
	150	tic4x_coff_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
	151	const char *r_name)
	152	{
	153	unsigned int i;
	154
	155	for (i = 0;
	156	i < sizeof (tic4x_howto_table) / sizeof (tic4x_howto_table[0]);
	157	i++)
	158	if (tic4x_howto_table[i].name != NULL
	159	&& strcasecmp (tic4x_howto_table[i].name, r_name) == 0)
	160	return &tic4x_howto_table[i];
	161
	162	return NULL;
	163	}
026df7c5 NC	164
	165	/* Code to turn a r_type into a howto ptr, uses the above howto table.
	166	Called after some initial checking by the tic4x_rtype_to_howto fn
	167	below. */
	168	static void
2c3fc389 NC	169	tic4x_lookup_howto (arelent *internal,
2c3fc389 NC	170	struct internal_reloc *dst)
026df7c5 NC	171	{
	172	unsigned int i;
	173	int bank = (dst->r_symndx == -1) ? HOWTO_BANK : 0;
	174
	175	for (i = 0; i < HOWTO_SIZE; i++)
	176	{
	177	if (tic4x_howto_table[i].type == dst->r_type)
	178	{
	179	internal->howto = tic4x_howto_table + i + bank;
	180	return;
	181	}
	182	}
	183
	184	(*_bfd_error_handler) (_("Unrecognized reloc type 0x%x"),
	185	(unsigned int) dst->r_type);
	186	abort();
	187	}
	188
026df7c5	189	static reloc_howto_type *
2c3fc389 NC	190	coff_tic4x_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
	191	asection *sec,
	192	struct internal_reloc *rel,
	193	struct coff_link_hash_entry *h ATTRIBUTE_UNUSED,
	194	struct internal_syment *sym ATTRIBUTE_UNUSED,
	195	bfd_vma *addendp)
026df7c5 NC	196	{
	197	arelent genrel;
	198
	199	if (rel->r_symndx == -1 && addendp != NULL)
	200	/* This is a TI "internal relocation", which means that the relocation
	201	amount is the amount by which the current section is being relocated
	202	in the output section. */
	203	*addendp = (sec->output_section->vma + sec->output_offset) - sec->vma;
	204
	205	tic4x_lookup_howto (&genrel, rel);
	206
	207	return genrel.howto;
	208	}
	209
	210
	211	static void
2c3fc389 NC	212	tic4x_reloc_processing (arelent *relent,
	213	struct internal_reloc *reloc,
	214	asymbol **symbols,
	215	bfd *abfd,
	216	asection *section)
026df7c5 NC	217	{
	218	asymbol *ptr;
	219
	220	relent->address = reloc->r_vaddr;
b34976b6	221
026df7c5 NC	222	if (reloc->r_symndx != -1)
	223	{
	224	if (reloc->r_symndx < 0 \|\| reloc->r_symndx >= obj_conv_table_size (abfd))
	225	{
	226	(*_bfd_error_handler)
	227	(_("%s: warning: illegal symbol index %ld in relocs"),
	228	bfd_get_filename (abfd), reloc->r_symndx);
	229	relent->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
	230	ptr = NULL;
	231	}
	232	else
	233	{
	234	relent->sym_ptr_ptr = (symbols
	235	+ obj_convert (abfd)[reloc->r_symndx]);
	236	ptr = *(relent->sym_ptr_ptr);
	237	}
	238	}
	239	else
	240	{
	241	relent->sym_ptr_ptr = section->symbol_ptr_ptr;
	242	ptr = *(relent->sym_ptr_ptr);
	243	}
b34976b6	244
026df7c5 NC	245	/* The symbols definitions that we have read in have been relocated
	246	as if their sections started at 0. But the offsets refering to
	247	the symbols in the raw data have not been modified, so we have to
	248	have a negative addend to compensate.
b34976b6	249
026df7c5	250	Note that symbols which used to be common must be left alone. */
b34976b6	251
026df7c5 NC	252	/* Calculate any reloc addend by looking at the symbol. */
026df7c5 NC	253	CALC_ADDEND (abfd, ptr, *reloc, relent);
b34976b6	254
026df7c5 NC	255	relent->address -= section->vma;
026df7c5 NC	256	/* !! relent->section = (asection ) NULL; /
b34976b6	257
026df7c5 NC	258	/* Fill in the relent->howto field from reloc->r_type. */
	259	tic4x_lookup_howto (relent, reloc);
	260	}
	261
	262
026df7c5	263	/* TI COFF v0, DOS tools (little-endian headers). */
2c3fc389	264	CREATE_LITTLE_COFF_TARGET_VEC(tic4x_coff0_vec, "coff0-tic4x", HAS_LOAD_PAGE, 0, '_', NULL, & ticoff0_swap_table);
026df7c5 NC	265
026df7c5 NC	266	/* TI COFF v0, SPARC tools (big-endian headers). */
2c3fc389	267	CREATE_BIGHDR_COFF_TARGET_VEC(tic4x_coff0_beh_vec, "coff0-beh-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff0_vec, & ticoff0_swap_table);
026df7c5 NC	268
026df7c5 NC	269	/* TI COFF v1, DOS tools (little-endian headers). */
2c3fc389	270	CREATE_LITTLE_COFF_TARGET_VEC(tic4x_coff1_vec, "coff1-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff0_beh_vec, & ticoff1_swap_table);
026df7c5 NC	271
026df7c5 NC	272	/* TI COFF v1, SPARC tools (big-endian headers). */
2c3fc389	273	CREATE_BIGHDR_COFF_TARGET_VEC(tic4x_coff1_beh_vec, "coff1-beh-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff1_vec, & ticoff1_swap_table);
026df7c5 NC	274
026df7c5 NC	275	/* TI COFF v2, TI DOS tools output (little-endian headers). */
3fa78519	276	CREATE_LITTLE_COFF_TARGET_VEC(tic4x_coff2_vec, "coff2-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff1_beh_vec, COFF_SWAP_TABLE);
026df7c5 NC	277
026df7c5 NC	278	/* TI COFF v2, TI SPARC tools output (big-endian headers). */
3fa78519	279	CREATE_BIGHDR_COFF_TARGET_VEC(tic4x_coff2_beh_vec, "coff2-beh-tic4x", HAS_LOAD_PAGE, 0, '_', &tic4x_coff2_vec, COFF_SWAP_TABLE);