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 <sysdep.h>
  22 #define MIPS 1
  23 #include "bfd.h"
  24 #include "libbfd.h"
  25
  26 #include "ecoff.h"
  27 #include "internalcoff.h"
  28 #include "libcoff.h"            /* to allow easier abstraction-breaking */
  29 #include "trad-core.h"
  30
  31 #define BADMAG(x) ECOFFBADMAG(x)
  32
  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 #include "coffcode.h"
  38
  39 #if HOST_SYS==DEC3100_SYS
  40 /* If compiling on host, implement traditional Unix core files with upage */
  41 #undef  coff_core_file_failing_command
  42 #define coff_core_file_failing_command  trad_unix_core_file_failing_command
  43 #undef  coff_core_file_failing_signal
  44 #define coff_core_file_failing_signal   trad_unix_core_file_failing_signal
  45 #undef  coff_core_file_matches_executable_p
  46 #define coff_core_file_matches_executable_p     trad_unix_core_file_matches_executable_p
  47 #endif
  48
  49 /* We do not implement symbols for ecoff. */
  50 #define coff_get_symtab_upper_bound (PROTO(unsigned int, (*),(bfd *)))bfd_false
  51 #define coff_get_symtab  (PROTO(unsigned int, (*), (bfd *, asymbol **)))bfd_0
  52 #define coff_print_symbol \
  53     (PROTO(void,(*),(bfd *, PTR, asymbol *, enum bfd_print_symbol))) bfd_void
  54 #define coff_swap_sym_in (PROTO(void,(*),(bfd *,PTR,PTR))) bfd_void
  55 #define coff_swap_aux_in (PROTO(void,(*),(bfd *,PTR,PTR))) bfd_void
  56
  57 /* We do not implement linenos for ecoff. */
  58 #define coff_get_lineno (struct lineno_cache_entry *(*)()) bfd_nullvoidptr
  59 #define coff_swap_lineno_in (PROTO(void,(*),(bfd *,PTR,PTR))) bfd_void
  60 #define coff_find_nearest_line (PROTO(boolean, (*),(bfd*,asection*,asymbol**,bfd_vma, CONST char**, CONST char**, unsigned int *))) bfd_false
  61
  62 bfd_target ecoff_little_vec =
  63     {"ecoff-littlemips",      /* name */
  64         bfd_target_coff_flavour_enum,
  65         false,                  /* data byte order is little */
  66         false,                  /* header byte order is little */
  67
  68         (HAS_RELOC | EXEC_P |   /* object flags */
  69          HAS_LINENO | HAS_DEBUG |
  70          HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
  71
  72         (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect flags */
  73         '/',                    /* ar_pad_char */
  74         15,                     /* ar_max_namelen */
  75            3,                   /* minimum alignment power */
  76 _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
  77 _do_getl64, _do_putl64, _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
  78
  79         {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
  80           bfd_generic_archive_p, _bfd_dummy_target},
  81         {bfd_false, coff_mkobject, bfd_false, /* bfd_set_format */
  82           bfd_false},
  83         {bfd_false, coff_write_object_contents, bfd_false, bfd_false},
  84         JUMP_TABLE (coff)
  85 };
  86
  87 bfd_target ecoff_big_vec =
  88     {"ecoff-bigmips",      /* name */
  89         bfd_target_coff_flavour_enum,
  90         true,                   /* data byte order is big */
  91         true,                   /* header byte order is big */
  92
  93         (HAS_RELOC | EXEC_P |   /* object flags */
  94          HAS_LINENO | HAS_DEBUG |
  95          HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT),
  96
  97         (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect flags */
  98         ' ',                    /* ar_pad_char */
  99         16,                     /* ar_max_namelen */
 100            3,                   /* minimum alignment power */
 101 _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */
 102 _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */
 103         {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
 104           bfd_generic_archive_p,
 105 #if HOST_SYS==DEC3100_SYS
 106           trad_unix_core_file_p         /* On host, this works */
 107 #else
 108           _bfd_dummy_target             /* Other folks get no core support */
 109 #endif
 110         },
 111         {bfd_false, coff_mkobject, bfd_false, /* bfd_set_format */
 112           bfd_false},
 113         {bfd_false, coff_write_object_contents, /* bfd_write_contents */
 114           bfd_false, bfd_false},
 115         JUMP_TABLE(coff),
 116           COFF_SWAP_TABLE
 117 };