[deliverable/binutils-gdb.git] / bfd / nlm32-sparc.c

/* Support for 32-bit SPARC NLM (NetWare Loadable Module)
   Copyright 1993, 1994, 2000, 2001, 2002, 2003, 2004
   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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"

#define ARCH_SIZE 32

#include "nlm/sparc32-ext.h"
#define Nlm_External_Fixed_Header	Nlm32_sparc_External_Fixed_Header

#include "libnlm.h"

static bfd_boolean nlm_sparc_read_reloc
  PARAMS ((bfd *, nlmNAME(symbol_type) *, asection **, arelent *));
static bfd_boolean nlm_sparc_write_reloc
  PARAMS ((bfd *, asection *, arelent *));
static bfd_boolean nlm_sparc_mangle_relocs
  PARAMS ((bfd *, asection *, const PTR, bfd_vma, bfd_size_type));
static bfd_boolean nlm_sparc_read_import
  PARAMS ((bfd *, nlmNAME(symbol_type) *));
static bfd_boolean nlm_sparc_write_import
  PARAMS ((bfd *, asection *, arelent *));
static bfd_boolean nlm_sparc_write_external
  PARAMS ((bfd *, bfd_size_type, asymbol *, struct reloc_and_sec *));
static bfd_boolean nlm_sparc_write_export
  PARAMS ((bfd *, asymbol *, bfd_vma));

enum reloc_type
  {
    R_SPARC_NONE = 0,
    R_SPARC_8,		R_SPARC_16,		R_SPARC_32,
    R_SPARC_DISP8,	R_SPARC_DISP16,		R_SPARC_DISP32,
    R_SPARC_WDISP30,	R_SPARC_WDISP22,
    R_SPARC_HI22,	R_SPARC_22,
    R_SPARC_13,		R_SPARC_LO10,
    R_SPARC_GOT10,	R_SPARC_GOT13,		R_SPARC_GOT22,
    R_SPARC_PC10,	R_SPARC_PC22,
    R_SPARC_WPLT30,
    R_SPARC_COPY,
    R_SPARC_GLOB_DAT,	R_SPARC_JMP_SLOT,
    R_SPARC_RELATIVE,
    R_SPARC_UA32,
    R_SPARC_max
  };

#if 0
static const char *const reloc_type_names[] =
  {
    "R_SPARC_NONE",
    "R_SPARC_8",		"R_SPARC_16",		"R_SPARC_32",
    "R_SPARC_DISP8",	"R_SPARC_DISP16",	"R_SPARC_DISP32",
    "R_SPARC_WDISP30",	"R_SPARC_WDISP22",
    "R_SPARC_HI22",	"R_SPARC_22",
    "R_SPARC_13",		"R_SPARC_LO10",
    "R_SPARC_GOT10",	"R_SPARC_GOT13",	"R_SPARC_GOT22",
    "R_SPARC_PC10",	"R_SPARC_PC22",
    "R_SPARC_WPLT30",
    "R_SPARC_COPY",
    "R_SPARC_GLOB_DAT",	"R_SPARC_JMP_SLOT",
    "R_SPARC_RELATIVE",
    "R_SPARC_UA32",
  };
#endif

static reloc_howto_type nlm32_sparc_howto_table[] =
  {
    HOWTO (R_SPARC_NONE,    0,0, 0,FALSE,0,complain_overflow_dont,    0,"R_SPARC_NONE",    FALSE,0,0x00000000,TRUE),
    HOWTO (R_SPARC_8,       0,0, 8,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_8",       FALSE,0,0x000000ff,TRUE),
    HOWTO (R_SPARC_16,      0,1,16,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_16",      FALSE,0,0x0000ffff,TRUE),
    HOWTO (R_SPARC_32,      0,2,32,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_32",      FALSE,0,0xffffffff,TRUE),
    HOWTO (R_SPARC_DISP8,   0,0, 8,TRUE, 0,complain_overflow_signed,  0,"R_SPARC_DISP8",   FALSE,0,0x000000ff,TRUE),
    HOWTO (R_SPARC_DISP16,  0,1,16,TRUE, 0,complain_overflow_signed,  0,"R_SPARC_DISP16",  FALSE,0,0x0000ffff,TRUE),
    HOWTO (R_SPARC_DISP32,  0,2,32,TRUE, 0,complain_overflow_signed,  0,"R_SPARC_DISP32",  FALSE,0,0x00ffffff,TRUE),
    HOWTO (R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed,  0,"R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
    HOWTO (R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed,  0,"R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
    HOWTO (R_SPARC_HI22,   10,2,22,FALSE,0,complain_overflow_dont,    0,"R_SPARC_HI22",    FALSE,0,0x003fffff,TRUE),
    HOWTO (R_SPARC_22,      0,2,22,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_22",      FALSE,0,0x003fffff,TRUE),
    HOWTO (R_SPARC_13,      0,2,13,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_13",      FALSE,0,0x00001fff,TRUE),
    HOWTO (R_SPARC_LO10,    0,2,10,FALSE,0,complain_overflow_dont,    0,"R_SPARC_LO10",    FALSE,0,0x000003ff,TRUE),
    HOWTO (R_SPARC_GOT10,   0,2,10,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_GOT10",   FALSE,0,0x000003ff,TRUE),
    HOWTO (R_SPARC_GOT13,   0,2,13,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_GOT13",   FALSE,0,0x00001fff,TRUE),
    HOWTO (R_SPARC_GOT22,  10,2,22,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_GOT22",   FALSE,0,0x003fffff,TRUE),
    HOWTO (R_SPARC_PC10,    0,2,10,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_PC10",    FALSE,0,0x000003ff,TRUE),
    HOWTO (R_SPARC_PC22,    0,2,22,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_PC22",    FALSE,0,0x003fffff,TRUE),
    HOWTO (R_SPARC_WPLT30,  0,0,00,FALSE,0,complain_overflow_dont,    0,"R_SPARC_WPLT30",  FALSE,0,0x00000000,TRUE),
    HOWTO (R_SPARC_COPY,    0,0,00,FALSE,0,complain_overflow_dont,    0,"R_SPARC_COPY",    FALSE,0,0x00000000,TRUE),
    HOWTO (R_SPARC_GLOB_DAT,0,0,00,FALSE,0,complain_overflow_dont,    0,"R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
    HOWTO (R_SPARC_JMP_SLOT,0,0,00,FALSE,0,complain_overflow_dont,    0,"R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
    HOWTO (R_SPARC_RELATIVE,0,0,00,FALSE,0,complain_overflow_dont,    0,"R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
    HOWTO (R_SPARC_UA32,    0,0,00,FALSE,0,complain_overflow_dont,    0,"R_SPARC_UA32",    FALSE,0,0x00000000,TRUE),
};

/* Read a NetWare sparc reloc.  */

struct nlm32_sparc_reloc_ext
  {
    unsigned char offset[4];
    unsigned char addend[4];
    unsigned char type[1];
    unsigned char pad1[3];
  };

static bfd_boolean
nlm_sparc_read_reloc (abfd, sym, secp, rel)
     bfd *abfd;
     nlmNAME(symbol_type) *sym ATTRIBUTE_UNUSED;
     asection **secp;
     arelent *rel;
{
  bfd_vma val, addend;
  unsigned int index;
  unsigned int type;
  struct nlm32_sparc_reloc_ext tmp_reloc;
  asection *code_sec, *data_sec;

  if (bfd_bread (&tmp_reloc, (bfd_size_type) 12, abfd) != 12)
    return FALSE;

  code_sec = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
  data_sec = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);

  *secp = code_sec;

  val = bfd_get_32 (abfd, tmp_reloc.offset);
  addend = bfd_get_32 (abfd, tmp_reloc.addend);
  type = bfd_get_8 (abfd, tmp_reloc.type);

  rel->address = val;
  rel->addend = addend;
  rel->howto = NULL;

  for (index = 0;
       index < sizeof (nlm32_sparc_howto_table) / sizeof (reloc_howto_type);
       index++)
    if (nlm32_sparc_howto_table[index].type == type)
      {
	rel->howto = &nlm32_sparc_howto_table[index];
	break;
      }

#ifdef DEBUG
  fprintf (stderr, "%s:  address = %08lx, addend = %08lx, type = %d, howto = %08lx\n",
	   __FUNCTION__, rel->address, rel->addend, type, rel->howto);
#endif
  return TRUE;

}

/* Write a NetWare sparc reloc.  */

static bfd_boolean
nlm_sparc_write_reloc (abfd, sec, rel)
     bfd *abfd;
     asection *sec;
     arelent *rel;
{
  bfd_vma val;
  struct nlm32_sparc_reloc_ext tmp_reloc;
  unsigned int index;
  int type = -1;
  reloc_howto_type *tmp;

  for (index = 0;
       index < sizeof (nlm32_sparc_howto_table) / sizeof (reloc_howto_type);
       index++)
    {
      tmp = &nlm32_sparc_howto_table[index];

      if (tmp->rightshift == rel->howto->rightshift
	  && tmp->size == rel->howto->size
	  && tmp->bitsize == rel->howto->bitsize
	  && tmp->pc_relative == rel->howto->pc_relative
	  && tmp->bitpos == rel->howto->bitpos
	  && tmp->src_mask == rel->howto->src_mask
	  && tmp->dst_mask == rel->howto->dst_mask)
	{
	  type = tmp->type;
	  break;
	}
    }
  if (type == -1)
    abort ();

  /* Netware wants a list of relocs for each address.
     Format is:
    	long	offset
    	long	addend
    	char	type
     That should be it.  */

  /* The value we write out is the offset into the appropriate
     segment.  This offset is the section vma, adjusted by the vma of
     the lowest section in that segment, plus the address of the
     relocation.  */
#if 0
  val = bfd_get_section_vma (abfd, (*rel->sym_ptr_ptr)->section) + rel->address;
#else
  val = bfd_get_section_vma (abfd, sec) + rel->address;
#endif

#ifdef DEBUG
  fprintf (stderr, "%s:  val = %08lx, addend = %08lx, type = %d\n",
	   __FUNCTION__, val, rel->addend, rel->howto->type);
#endif
  bfd_put_32 (abfd, val, tmp_reloc.offset);
  bfd_put_32 (abfd, rel->addend, tmp_reloc.addend);
  bfd_put_8 (abfd, (short) (rel->howto->type), tmp_reloc.type);

  if (bfd_bwrite (&tmp_reloc, (bfd_size_type) 12, abfd) != 12)
    return FALSE;

  return TRUE;
}

/* Mangle relocs for SPARC NetWare.  We can just use the standard
   SPARC relocs.  */

static bfd_boolean
nlm_sparc_mangle_relocs (abfd, sec, data, offset, count)
     bfd *abfd ATTRIBUTE_UNUSED;
     asection *sec ATTRIBUTE_UNUSED;
     const PTR data ATTRIBUTE_UNUSED;
     bfd_vma offset ATTRIBUTE_UNUSED;
     bfd_size_type count ATTRIBUTE_UNUSED;
{
  return TRUE;
}

/* Read a NetWare sparc import record.  */

static bfd_boolean
nlm_sparc_read_import (abfd, sym)
     bfd *abfd;
     nlmNAME(symbol_type) *sym;
{
  struct nlm_relent *nlm_relocs;	/* Relocation records for symbol.  */
  bfd_size_type rcount;			/* Number of relocs.  */
  bfd_byte temp[NLM_TARGET_LONG_SIZE];	/* Temporary 32-bit value.  */
  unsigned char symlength;		/* Length of symbol name.  */
  char *name;

  /* First, read in the number of relocation
     entries for this symbol.  */
  if (bfd_bread ((PTR) temp, (bfd_size_type) 4, abfd) != 4)
    return FALSE;

  rcount = bfd_get_32 (abfd, temp);

  /* Next, read in the length of the symbol.  */

  if (bfd_bread ((PTR) &symlength, (bfd_size_type) sizeof (symlength), abfd)
      != sizeof (symlength))
    return FALSE;
  sym -> symbol.the_bfd = abfd;
  name = bfd_alloc (abfd, (bfd_size_type) symlength + 1);
  if (name == NULL)
    return FALSE;

  /* Then read in the symbol.  */

  if (bfd_bread (name, (bfd_size_type) symlength, abfd) != symlength)
    return FALSE;
  name[symlength] = '\0';
  sym -> symbol.name = name;
  sym -> symbol.flags = 0;
  sym -> symbol.value = 0;
  sym -> symbol.section = bfd_und_section_ptr;

  /* Next, start reading in the relocs.  */

  nlm_relocs = ((struct nlm_relent *)
		bfd_alloc (abfd, rcount * sizeof (struct nlm_relent)));
  if (!nlm_relocs)
    return FALSE;
  sym -> relocs = nlm_relocs;
  sym -> rcnt = 0;
  while (sym -> rcnt < rcount)
    {
      asection *section;

      if (! nlm_sparc_read_reloc (abfd, sym, &section, &nlm_relocs -> reloc))
	return FALSE;
      nlm_relocs -> section = section;
      nlm_relocs++;
      sym -> rcnt++;
    }

  return TRUE;
}

static bfd_boolean
nlm_sparc_write_import (abfd, sec, rel)
     bfd *abfd;
     asection *sec;
     arelent *rel;
{
  char temp[4];
  asection *code, *data, *bss, *symsec;
  bfd_vma base;

  code = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
  data = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
  bss = bfd_get_section_by_name (abfd, NLM_UNINITIALIZED_DATA_NAME);
  symsec = (*rel->sym_ptr_ptr)->section;

  if (symsec == code)
    base = 0;
  else if (symsec == data)
    base = code->size;
  else if (symsec == bss)
    base = code->size + data->size;
  else
    base = 0;

#ifdef DEBUG
  fprintf (stderr, "%s:  <%x, 1>\n\t",
	   __FUNCTION__, base + (*rel->sym_ptr_ptr)->value);
#endif
  bfd_put_32 (abfd, base + (*rel->sym_ptr_ptr)->value, temp);
  if (bfd_bwrite ((PTR) temp, (bfd_size_type) 4, abfd) != 4)
    return FALSE;
  bfd_put_32 (abfd, (bfd_vma) 1, temp);
  if (bfd_bwrite ((PTR) temp, (bfd_size_type) 4, abfd) != 4)
    return FALSE;
  if (! nlm_sparc_write_reloc (abfd, sec, rel))
    return FALSE;
  return TRUE;
}

/* Write out an external reference.  */

static bfd_boolean
nlm_sparc_write_external (abfd, count, sym, relocs)
     bfd *abfd;
     bfd_size_type count;
     asymbol *sym;
     struct reloc_and_sec *relocs;
{
  unsigned int i;
  bfd_byte len;
  unsigned char temp[NLM_TARGET_LONG_SIZE];

  bfd_put_32 (abfd, count, temp);
  if (bfd_bwrite (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
    return FALSE;

  len = strlen (sym->name);
  if ((bfd_bwrite (&len, (bfd_size_type) sizeof (bfd_byte), abfd)
       != sizeof (bfd_byte))
      || bfd_bwrite (sym->name, (bfd_size_type) len, abfd) != len)
    return FALSE;

  for (i = 0; i < count; i++)
    {
      if (! nlm_sparc_write_reloc (abfd, relocs[i].sec, relocs[i].rel))
	return FALSE;
    }

  return TRUE;
}

static bfd_boolean
nlm_sparc_write_export (abfd, sym, value)
     bfd *abfd;
     asymbol *sym;
     bfd_vma value;
{
  bfd_byte len;
  bfd_byte temp[4];

#ifdef DEBUG
  fprintf (stderr, "%s: <%x, %d, %s>\n",
	   __FUNCTION__, value, strlen (sym->name), sym->name);
#endif
  bfd_put_32 (abfd, value, temp);
  len = strlen (sym->name);

  if (bfd_bwrite (temp, (bfd_size_type) 4, abfd) != 4
      || bfd_bwrite (&len, (bfd_size_type) 1, abfd) != 1
      || bfd_bwrite (sym->name, (bfd_size_type) len, abfd) != len)
    return FALSE;

  return TRUE;
}

#undef nlm_swap_fixed_header_in
#undef nlm_swap_fixed_header_out

#include "nlmswap.h"

static const struct nlm_backend_data nlm32_sparc_backend =
  {
    "NetWare SPARC Module   \032",
    sizeof (Nlm32_sparc_External_Fixed_Header),
    0,	/* optional_prefix_size */
    bfd_arch_sparc,
    0,
    FALSE,
    0,	/* backend_object_p */
    0,	/* write_prefix_func */
    nlm_sparc_read_reloc,
    nlm_sparc_mangle_relocs,
    nlm_sparc_read_import,
    nlm_sparc_write_import,
    0,	/* set_public_section */
    0,	/* get_public_offset */
    nlm_swap_fixed_header_in,
    nlm_swap_fixed_header_out,
    nlm_sparc_write_external,
    nlm_sparc_write_export
  };

#define TARGET_BIG_NAME		"nlm32-sparc"
#define TARGET_BIG_SYM		nlmNAME(sparc_vec)
#define TARGET_BACKEND_DATA	& nlm32_sparc_backend

#include "nlm-target.h"
Commit	Line	Data
252b5132	1	/* Support for 32-bit SPARC NLM (NetWare Loadable Module)
eea6121a	2	Copyright 1993, 1994, 2000, 2001, 2002, 2003, 2004
0f867abe	3	Free Software Foundation, Inc.
252b5132	4
42ef282f	5	This file is part of BFD, the Binary File Descriptor library.
252b5132	6
42ef282f NC	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 2 of the License, or
	10	(at your option) any later version.
252b5132	11
42ef282f NC	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.
252b5132	16
42ef282f NC	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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
252b5132 RH	20
	21	#include "bfd.h"
	22	#include "sysdep.h"
	23	#include "libbfd.h"
	24
	25	#define ARCH_SIZE 32
	26
	27	#include "nlm/sparc32-ext.h"
	28	#define Nlm_External_Fixed_Header Nlm32_sparc_External_Fixed_Header
	29
	30	#include "libnlm.h"
	31
b34976b6	32	static bfd_boolean nlm_sparc_read_reloc
252b5132	33	PARAMS ((bfd , nlmNAME(symbol_type) , asection *, arelent ));
b34976b6	34	static bfd_boolean nlm_sparc_write_reloc
252b5132	35	PARAMS ((bfd , asection , arelent *));
b34976b6	36	static bfd_boolean nlm_sparc_mangle_relocs
0f867abe	37	PARAMS ((bfd , asection , const PTR, bfd_vma, bfd_size_type));
b34976b6	38	static bfd_boolean nlm_sparc_read_import
252b5132	39	PARAMS ((bfd , nlmNAME(symbol_type) ));
b34976b6	40	static bfd_boolean nlm_sparc_write_import
252b5132	41	PARAMS ((bfd , asection , arelent *));
b34976b6	42	static bfd_boolean nlm_sparc_write_external
252b5132	43	PARAMS ((bfd , bfd_size_type, asymbol , struct reloc_and_sec *));
b34976b6	44	static bfd_boolean nlm_sparc_write_export
42ef282f	45	PARAMS ((bfd , asymbol , bfd_vma));
252b5132 RH	46
	47	enum reloc_type
	48	{
	49	R_SPARC_NONE = 0,
1518639e KH	50	R_SPARC_8, R_SPARC_16, R_SPARC_32,
1518639e KH	51	R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32,
252b5132 RH	52	R_SPARC_WDISP30, R_SPARC_WDISP22,
	53	R_SPARC_HI22, R_SPARC_22,
	54	R_SPARC_13, R_SPARC_LO10,
	55	R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22,
	56	R_SPARC_PC10, R_SPARC_PC22,
	57	R_SPARC_WPLT30,
	58	R_SPARC_COPY,
	59	R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT,
	60	R_SPARC_RELATIVE,
	61	R_SPARC_UA32,
	62	R_SPARC_max
	63	};
	64
	65	#if 0
dc810e39	66	static const char *const reloc_type_names[] =
42ef282f NC	67	{
	68	"R_SPARC_NONE",
	69	"R_SPARC_8", "R_SPARC_16", "R_SPARC_32",
	70	"R_SPARC_DISP8", "R_SPARC_DISP16", "R_SPARC_DISP32",
	71	"R_SPARC_WDISP30", "R_SPARC_WDISP22",
	72	"R_SPARC_HI22", "R_SPARC_22",
	73	"R_SPARC_13", "R_SPARC_LO10",
	74	"R_SPARC_GOT10", "R_SPARC_GOT13", "R_SPARC_GOT22",
	75	"R_SPARC_PC10", "R_SPARC_PC22",
	76	"R_SPARC_WPLT30",
	77	"R_SPARC_COPY",
	78	"R_SPARC_GLOB_DAT", "R_SPARC_JMP_SLOT",
	79	"R_SPARC_RELATIVE",
	80	"R_SPARC_UA32",
	81	};
252b5132 RH	82	#endif
252b5132 RH	83
1518639e	84	static reloc_howto_type nlm32_sparc_howto_table[] =
42ef282f	85	{
b34976b6 AM	86	HOWTO (R_SPARC_NONE, 0,0, 0,FALSE,0,complain_overflow_dont, 0,"R_SPARC_NONE", FALSE,0,0x00000000,TRUE),
	87	HOWTO (R_SPARC_8, 0,0, 8,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_8", FALSE,0,0x000000ff,TRUE),
	88	HOWTO (R_SPARC_16, 0,1,16,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_16", FALSE,0,0x0000ffff,TRUE),
	89	HOWTO (R_SPARC_32, 0,2,32,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_32", FALSE,0,0xffffffff,TRUE),
	90	HOWTO (R_SPARC_DISP8, 0,0, 8,TRUE, 0,complain_overflow_signed, 0,"R_SPARC_DISP8", FALSE,0,0x000000ff,TRUE),
	91	HOWTO (R_SPARC_DISP16, 0,1,16,TRUE, 0,complain_overflow_signed, 0,"R_SPARC_DISP16", FALSE,0,0x0000ffff,TRUE),
	92	HOWTO (R_SPARC_DISP32, 0,2,32,TRUE, 0,complain_overflow_signed, 0,"R_SPARC_DISP32", FALSE,0,0x00ffffff,TRUE),
	93	HOWTO (R_SPARC_WDISP30, 2,2,30,TRUE, 0,complain_overflow_signed, 0,"R_SPARC_WDISP30", FALSE,0,0x3fffffff,TRUE),
	94	HOWTO (R_SPARC_WDISP22, 2,2,22,TRUE, 0,complain_overflow_signed, 0,"R_SPARC_WDISP22", FALSE,0,0x003fffff,TRUE),
	95	HOWTO (R_SPARC_HI22, 10,2,22,FALSE,0,complain_overflow_dont, 0,"R_SPARC_HI22", FALSE,0,0x003fffff,TRUE),
	96	HOWTO (R_SPARC_22, 0,2,22,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_22", FALSE,0,0x003fffff,TRUE),
	97	HOWTO (R_SPARC_13, 0,2,13,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_13", FALSE,0,0x00001fff,TRUE),
	98	HOWTO (R_SPARC_LO10, 0,2,10,FALSE,0,complain_overflow_dont, 0,"R_SPARC_LO10", FALSE,0,0x000003ff,TRUE),
	99	HOWTO (R_SPARC_GOT10, 0,2,10,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_GOT10", FALSE,0,0x000003ff,TRUE),
	100	HOWTO (R_SPARC_GOT13, 0,2,13,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_GOT13", FALSE,0,0x00001fff,TRUE),
	101	HOWTO (R_SPARC_GOT22, 10,2,22,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_GOT22", FALSE,0,0x003fffff,TRUE),
	102	HOWTO (R_SPARC_PC10, 0,2,10,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_PC10", FALSE,0,0x000003ff,TRUE),
	103	HOWTO (R_SPARC_PC22, 0,2,22,FALSE,0,complain_overflow_bitfield,0,"R_SPARC_PC22", FALSE,0,0x003fffff,TRUE),
	104	HOWTO (R_SPARC_WPLT30, 0,0,00,FALSE,0,complain_overflow_dont, 0,"R_SPARC_WPLT30", FALSE,0,0x00000000,TRUE),
	105	HOWTO (R_SPARC_COPY, 0,0,00,FALSE,0,complain_overflow_dont, 0,"R_SPARC_COPY", FALSE,0,0x00000000,TRUE),
	106	HOWTO (R_SPARC_GLOB_DAT,0,0,00,FALSE,0,complain_overflow_dont, 0,"R_SPARC_GLOB_DAT",FALSE,0,0x00000000,TRUE),
	107	HOWTO (R_SPARC_JMP_SLOT,0,0,00,FALSE,0,complain_overflow_dont, 0,"R_SPARC_JMP_SLOT",FALSE,0,0x00000000,TRUE),
	108	HOWTO (R_SPARC_RELATIVE,0,0,00,FALSE,0,complain_overflow_dont, 0,"R_SPARC_RELATIVE",FALSE,0,0x00000000,TRUE),
	109	HOWTO (R_SPARC_UA32, 0,0,00,FALSE,0,complain_overflow_dont, 0,"R_SPARC_UA32", FALSE,0,0x00000000,TRUE),
252b5132 RH	110	};
	111
	112	/* Read a NetWare sparc reloc. */
	113
42ef282f NC	114	struct nlm32_sparc_reloc_ext
	115	{
	116	unsigned char offset[4];
	117	unsigned char addend[4];
	118	unsigned char type[1];
	119	unsigned char pad1[3];
	120	};
252b5132	121
b34976b6	122	static bfd_boolean
252b5132 RH	123	nlm_sparc_read_reloc (abfd, sym, secp, rel)
252b5132 RH	124	bfd *abfd;
5f771d47	125	nlmNAME(symbol_type) *sym ATTRIBUTE_UNUSED;
252b5132 RH	126	asection **secp;
	127	arelent *rel;
	128	{
	129	bfd_vma val, addend;
	130	unsigned int index;
	131	unsigned int type;
	132	struct nlm32_sparc_reloc_ext tmp_reloc;
	133	asection code_sec, data_sec;
	134
dc810e39	135	if (bfd_bread (&tmp_reloc, (bfd_size_type) 12, abfd) != 12)
b34976b6	136	return FALSE;
252b5132 RH	137
	138	code_sec = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
	139	data_sec = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
	140
	141	*secp = code_sec;
	142
	143	val = bfd_get_32 (abfd, tmp_reloc.offset);
	144	addend = bfd_get_32 (abfd, tmp_reloc.addend);
	145	type = bfd_get_8 (abfd, tmp_reloc.type);
	146
	147	rel->address = val;
	148	rel->addend = addend;
	149	rel->howto = NULL;
	150
	151	for (index = 0;
1518639e	152	index < sizeof (nlm32_sparc_howto_table) / sizeof (reloc_howto_type);
252b5132	153	index++)
42ef282f NC	154	if (nlm32_sparc_howto_table[index].type == type)
	155	{
	156	rel->howto = &nlm32_sparc_howto_table[index];
	157	break;
	158	}
252b5132 RH	159
	160	#ifdef DEBUG
	161	fprintf (stderr, "%s: address = %08lx, addend = %08lx, type = %d, howto = %08lx\n",
	162	__FUNCTION__, rel->address, rel->addend, type, rel->howto);
	163	#endif
b34976b6	164	return TRUE;
252b5132 RH	165
	166	}
	167
	168	/* Write a NetWare sparc reloc. */
	169
b34976b6	170	static bfd_boolean
252b5132 RH	171	nlm_sparc_write_reloc (abfd, sec, rel)
	172	bfd *abfd;
	173	asection *sec;
	174	arelent *rel;
	175	{
	176	bfd_vma val;
	177	struct nlm32_sparc_reloc_ext tmp_reloc;
	178	unsigned int index;
	179	int type = -1;
	180	reloc_howto_type *tmp;
	181
252b5132	182	for (index = 0;
1518639e	183	index < sizeof (nlm32_sparc_howto_table) / sizeof (reloc_howto_type);
42ef282f NC	184	index++)
	185	{
	186	tmp = &nlm32_sparc_howto_table[index];
	187
	188	if (tmp->rightshift == rel->howto->rightshift
	189	&& tmp->size == rel->howto->size
	190	&& tmp->bitsize == rel->howto->bitsize
	191	&& tmp->pc_relative == rel->howto->pc_relative
	192	&& tmp->bitpos == rel->howto->bitpos
	193	&& tmp->src_mask == rel->howto->src_mask
	194	&& tmp->dst_mask == rel->howto->dst_mask)
	195	{
	196	type = tmp->type;
	197	break;
	198	}
252b5132	199	}
252b5132	200	if (type == -1)
1518639e	201	abort ();
252b5132	202
42ef282f NC	203	/* Netware wants a list of relocs for each address.
	204	Format is:
	205	long offset
	206	long addend
	207	char type
	208	That should be it. */
252b5132 RH	209
	210	/* The value we write out is the offset into the appropriate
	211	segment. This offset is the section vma, adjusted by the vma of
	212	the lowest section in that segment, plus the address of the
	213	relocation. */
	214	#if 0
	215	val = bfd_get_section_vma (abfd, (*rel->sym_ptr_ptr)->section) + rel->address;
	216	#else
	217	val = bfd_get_section_vma (abfd, sec) + rel->address;
	218	#endif
	219
	220	#ifdef DEBUG
	221	fprintf (stderr, "%s: val = %08lx, addend = %08lx, type = %d\n",
	222	__FUNCTION__, val, rel->addend, rel->howto->type);
	223	#endif
	224	bfd_put_32 (abfd, val, tmp_reloc.offset);
	225	bfd_put_32 (abfd, rel->addend, tmp_reloc.addend);
1518639e	226	bfd_put_8 (abfd, (short) (rel->howto->type), tmp_reloc.type);
252b5132	227
dc810e39	228	if (bfd_bwrite (&tmp_reloc, (bfd_size_type) 12, abfd) != 12)
b34976b6	229	return FALSE;
252b5132	230
b34976b6	231	return TRUE;
252b5132 RH	232	}
	233
	234	/* Mangle relocs for SPARC NetWare. We can just use the standard
	235	SPARC relocs. */
	236
b34976b6	237	static bfd_boolean
252b5132	238	nlm_sparc_mangle_relocs (abfd, sec, data, offset, count)
5f771d47 ILT	239	bfd *abfd ATTRIBUTE_UNUSED;
5f771d47 ILT	240	asection *sec ATTRIBUTE_UNUSED;
0f867abe	241	const PTR data ATTRIBUTE_UNUSED;
5f771d47 ILT	242	bfd_vma offset ATTRIBUTE_UNUSED;
5f771d47 ILT	243	bfd_size_type count ATTRIBUTE_UNUSED;
252b5132	244	{
b34976b6	245	return TRUE;
252b5132 RH	246	}
252b5132 RH	247
42ef282f NC	248	/* Read a NetWare sparc import record. */
42ef282f NC	249
b34976b6	250	static bfd_boolean
252b5132 RH	251	nlm_sparc_read_import (abfd, sym)
	252	bfd *abfd;
	253	nlmNAME(symbol_type) *sym;
	254	{
42ef282f NC	255	struct nlm_relent nlm_relocs; / Relocation records for symbol. */
	256	bfd_size_type rcount; /* Number of relocs. */
	257	bfd_byte temp[NLM_TARGET_LONG_SIZE]; /* Temporary 32-bit value. */
	258	unsigned char symlength; /* Length of symbol name. */
252b5132	259	char *name;
1518639e	260
42ef282f NC	261	/* First, read in the number of relocation
42ef282f NC	262	entries for this symbol. */
dc810e39	263	if (bfd_bread ((PTR) temp, (bfd_size_type) 4, abfd) != 4)
b34976b6	264	return FALSE;
1518639e	265
252b5132	266	rcount = bfd_get_32 (abfd, temp);
1518639e	267
42ef282f	268	/* Next, read in the length of the symbol. */
1518639e	269
dc810e39	270	if (bfd_bread ((PTR) &symlength, (bfd_size_type) sizeof (symlength), abfd)
252b5132	271	!= sizeof (symlength))
b34976b6	272	return FALSE;
252b5132	273	sym -> symbol.the_bfd = abfd;
dc810e39	274	name = bfd_alloc (abfd, (bfd_size_type) symlength + 1);
252b5132	275	if (name == NULL)
b34976b6	276	return FALSE;
1518639e	277
42ef282f	278	/* Then read in the symbol. */
1518639e	279
dc810e39	280	if (bfd_bread (name, (bfd_size_type) symlength, abfd) != symlength)
b34976b6	281	return FALSE;
252b5132 RH	282	name[symlength] = '\0';
	283	sym -> symbol.name = name;
	284	sym -> symbol.flags = 0;
	285	sym -> symbol.value = 0;
	286	sym -> symbol.section = bfd_und_section_ptr;
1518639e	287
42ef282f	288	/* Next, start reading in the relocs. */
1518639e	289
252b5132 RH	290	nlm_relocs = ((struct nlm_relent *)
	291	bfd_alloc (abfd, rcount * sizeof (struct nlm_relent)));
	292	if (!nlm_relocs)
b34976b6	293	return FALSE;
252b5132 RH	294	sym -> relocs = nlm_relocs;
	295	sym -> rcnt = 0;
	296	while (sym -> rcnt < rcount)
	297	{
	298	asection *section;
1518639e	299
82e51918	300	if (! nlm_sparc_read_reloc (abfd, sym, &section, &nlm_relocs -> reloc))
b34976b6	301	return FALSE;
252b5132 RH	302	nlm_relocs -> section = section;
	303	nlm_relocs++;
	304	sym -> rcnt++;
	305	}
42ef282f	306
b34976b6	307	return TRUE;
252b5132 RH	308	}
252b5132 RH	309
b34976b6	310	static bfd_boolean
252b5132 RH	311	nlm_sparc_write_import (abfd, sec, rel)
	312	bfd *abfd;
	313	asection *sec;
	314	arelent *rel;
	315	{
	316	char temp[4];
	317	asection code, data, bss, symsec;
	318	bfd_vma base;
	319
	320	code = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
	321	data = bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
	322	bss = bfd_get_section_by_name (abfd, NLM_UNINITIALIZED_DATA_NAME);
	323	symsec = (*rel->sym_ptr_ptr)->section;
	324
42ef282f	325	if (symsec == code)
252b5132	326	base = 0;
42ef282f	327	else if (symsec == data)
eea6121a	328	base = code->size;
42ef282f	329	else if (symsec == bss)
eea6121a	330	base = code->size + data->size;
42ef282f	331	else
252b5132 RH	332	base = 0;
	333
	334	#ifdef DEBUG
	335	fprintf (stderr, "%s: <%x, 1>\n\t",
	336	__FUNCTION__, base + (*rel->sym_ptr_ptr)->value);
	337	#endif
	338	bfd_put_32 (abfd, base + (*rel->sym_ptr_ptr)->value, temp);
dc810e39	339	if (bfd_bwrite ((PTR) temp, (bfd_size_type) 4, abfd) != 4)
b34976b6	340	return FALSE;
dc810e39 AM	341	bfd_put_32 (abfd, (bfd_vma) 1, temp);
dc810e39 AM	342	if (bfd_bwrite ((PTR) temp, (bfd_size_type) 4, abfd) != 4)
b34976b6	343	return FALSE;
82e51918	344	if (! nlm_sparc_write_reloc (abfd, sec, rel))
b34976b6 AM	345	return FALSE;
b34976b6 AM	346	return TRUE;
252b5132 RH	347	}
	348
	349	/* Write out an external reference. */
	350
b34976b6	351	static bfd_boolean
252b5132 RH	352	nlm_sparc_write_external (abfd, count, sym, relocs)
	353	bfd *abfd;
	354	bfd_size_type count;
	355	asymbol *sym;
	356	struct reloc_and_sec *relocs;
	357	{
	358	unsigned int i;
	359	bfd_byte len;
	360	unsigned char temp[NLM_TARGET_LONG_SIZE];
	361
	362	bfd_put_32 (abfd, count, temp);
dc810e39	363	if (bfd_bwrite (temp, (bfd_size_type) sizeof (temp), abfd) != sizeof (temp))
b34976b6	364	return FALSE;
252b5132 RH	365
252b5132 RH	366	len = strlen (sym->name);
dc810e39 AM	367	if ((bfd_bwrite (&len, (bfd_size_type) sizeof (bfd_byte), abfd)
	368	!= sizeof (bfd_byte))
	369	\|\| bfd_bwrite (sym->name, (bfd_size_type) len, abfd) != len)
b34976b6	370	return FALSE;
252b5132 RH	371
	372	for (i = 0; i < count; i++)
	373	{
82e51918	374	if (! nlm_sparc_write_reloc (abfd, relocs[i].sec, relocs[i].rel))
b34976b6	375	return FALSE;
252b5132 RH	376	}
252b5132 RH	377
b34976b6	378	return TRUE;
252b5132 RH	379	}
252b5132 RH	380
b34976b6	381	static bfd_boolean
252b5132 RH	382	nlm_sparc_write_export (abfd, sym, value)
	383	bfd *abfd;
	384	asymbol *sym;
	385	bfd_vma value;
	386	{
	387	bfd_byte len;
	388	bfd_byte temp[4];
	389
	390	#ifdef DEBUG
	391	fprintf (stderr, "%s: <%x, %d, %s>\n",
	392	__FUNCTION__, value, strlen (sym->name), sym->name);
	393	#endif
	394	bfd_put_32 (abfd, value, temp);
	395	len = strlen (sym->name);
	396
dc810e39 AM	397	if (bfd_bwrite (temp, (bfd_size_type) 4, abfd) != 4
	398	\|\| bfd_bwrite (&len, (bfd_size_type) 1, abfd) != 1
	399	\|\| bfd_bwrite (sym->name, (bfd_size_type) len, abfd) != len)
b34976b6	400	return FALSE;
252b5132	401
b34976b6	402	return TRUE;
252b5132 RH	403	}
	404
	405	#undef nlm_swap_fixed_header_in
	406	#undef nlm_swap_fixed_header_out
	407
	408	#include "nlmswap.h"
	409
	410	static const struct nlm_backend_data nlm32_sparc_backend =
42ef282f NC	411	{
	412	"NetWare SPARC Module \032",
	413	sizeof (Nlm32_sparc_External_Fixed_Header),
	414	0, /* optional_prefix_size */
	415	bfd_arch_sparc,
	416	0,
b34976b6	417	FALSE,
42ef282f NC	418	0, /* backend_object_p */
	419	0, /* write_prefix_func */
	420	nlm_sparc_read_reloc,
	421	nlm_sparc_mangle_relocs,
	422	nlm_sparc_read_import,
	423	nlm_sparc_write_import,
	424	0, /* set_public_section */
	425	0, /* get_public_offset */
	426	nlm_swap_fixed_header_in,
	427	nlm_swap_fixed_header_out,
	428	nlm_sparc_write_external,
	429	nlm_sparc_write_export
	430	};
252b5132 RH	431
	432	#define TARGET_BIG_NAME "nlm32-sparc"
	433	#define TARGET_BIG_SYM nlmNAME(sparc_vec)
42ef282f	434	#define TARGET_BACKEND_DATA & nlm32_sparc_backend
252b5132 RH	435
252b5132 RH	436	#include "nlm-target.h"