bfd/coff-mips.c

   1 /* MIPS Extended-Coff back-end for BFD.
   2    Copyright (C) 1990-1991 Free Software Foundation, Inc.
   3    Written by Per Bothner.
   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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 #include "bfd.h"
  22 #include "sysdep.h"
  23 #include "libbfd.h"
  24 #include "coff-mips.h"
  25 #include "internalcoff.h"
  26 #include "libcoff.h"            /* to allow easier abstraction-breaking */
  27 #include "trad-core.h"
  28
  29 #define BADMAG(x) ECOFFBADMAG(x)
  30
  31 /* Can't read these relocs */
  32 #define RTYPE2HOWTO(a,b) ;
  33 /* Define NO_COFF_SYMBOLS and NO_COFF_LINENOS to avoid coffcode.h
  34    defining a mess of useless functions.  */
  35 #define NO_COFF_SYMBOLS
  36 #define NO_COFF_LINENOS
  37 /* Define MIPS to get MIPS magic numbers and such */
  38 #define MIPS 1
  39 /* Define additional MIPS section types */
  40 #define STYP_OTHER_LOAD 0x98000300
  41 #include "coffcode.h"
  42
  43 /* We do not implement symbols for ecoff. */
  44 #define coff_get_symtab_upper_bound (PROTO(unsigned int, (*),(bfd *)))bfd_false
  45 #define coff_get_symtab  (PROTO(unsigned int, (*), (bfd *, asymbol **)))bfd_0
  46 #define coff_print_symbol \
  47     (PROTO(void,(*),(bfd *, PTR, asymbol *, enum bfd_print_symbol))) bfd_void
  48 #define coff_swap_sym_in (PROTO(void,(*),(bfd *,PTR,PTR))) bfd_void
  49 #define coff_swap_aux_in (PROTO(void,(*),(bfd *,PTR,int,int,PTR))) bfd_void
  50 #define coff_swap_sym_out (PROTO(unsigned,(*),(bfd *,PTR,PTR))) bfd_void
  51 #define coff_swap_aux_out (PROTO(unsigned,(*),(bfd *,PTR,int,int,PTR))) bfd_void
  52
  53 /* We do not implement linenos for ecoff. */
  54 #define coff_get_lineno (struct lineno_cache_entry *(*)()) bfd_nullvoidptr
  55 #define coff_swap_lineno_in (PROTO(void,(*),(bfd *,PTR,PTR))) bfd_void
  56 #define coff_find_nearest_line (PROTO(boolean, (*),(bfd*,asection*,asymbol**,bfd_vma, CONST char**, CONST char**, unsigned int *))) bfd_false
  57 #define coff_swap_lineno_out  (PROTO(unsigned,(*),(bfd *,PTR,PTR))) bfd_void
  58
  59 bfd_target ecoff_little_vec =
  60     {"ecoff-littlemips",      /* name */
  61         bfd_target_coff_flavour,
  62         false,                  /* data byte order is little */
  63         false,                  /* header byte order is little */
  64
  65         (HAS_RELOC | EXEC_P |   /* object flags */
  66          HAS_LINENO | HAS_DEBUG |
  67          HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
  68
  69         (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect flags */
  70         '/',                    /* ar_pad_char */
  71         15,                     /* ar_max_namelen */
  72            3,                   /* minimum alignment power */
  73 _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
  74 _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
  75
  76         {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
  77           bfd_generic_archive_p, _bfd_dummy_target},
  78         {bfd_false, coff_mkobject, bfd_false, /* bfd_set_format */
  79           bfd_false},
  80         {bfd_false, coff_write_object_contents, bfd_false, bfd_false},
  81         JUMP_TABLE (coff)
  82 };
  83
  84 bfd_target ecoff_big_vec =
  85     {"ecoff-bigmips",      /* name */
  86         bfd_target_coff_flavour,
  87         true,                   /* data byte order is big */
  88         true,                   /* header byte order is big */
  89
  90         (HAS_RELOC | EXEC_P |   /* object flags */
  91          HAS_LINENO | HAS_DEBUG |
  92          HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
  93
  94         (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect flags */
  95         ' ',                    /* ar_pad_char */
  96         16,                     /* ar_max_namelen */
  97            3,                   /* minimum alignment power */
  98         _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16,
  99         _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16,
 100         {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
 101           bfd_generic_archive_p, _bfd_dummy_target},
 102         {bfd_false, coff_mkobject, bfd_false, /* bfd_set_format */
 103           bfd_false},
 104         {bfd_false, coff_write_object_contents, /* bfd_write_contents */
 105           bfd_false, bfd_false},
 106         JUMP_TABLE(coff),
 107           COFF_SWAP_TABLE
 108 };