bfd/coff-mips.c

   1 /* BFD back-end for MIPS Extended-Coff files.
   2    Copyright 1990, 1991, 1992 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 "coff/internal.h"
  26 #include "libcoff.h"            /* to allow easier abstraction-breaking */
  27
  28 #define BADMAG(x) ECOFFBADMAG(x)
  29
  30 /* Can't read these relocs */
  31 #define RTYPE2HOWTO(a,b) ;
  32 /* Define NO_COFF_SYMBOLS and NO_COFF_LINENOS to avoid coffcode.h
  33    defining a mess of useless functions.  */
  34 #define NO_COFF_SYMBOLS
  35 #define NO_COFF_LINENOS
  36 /* Define MIPS to get MIPS magic numbers and such */
  37 #define MIPS 1
  38 /* Define additional MIPS section types */
  39 #define STYP_OTHER_LOAD 0x98000300
  40 #include "coffcode.h"
  41
  42 /* We do not implement symbols for ecoff. */
  43 #define coff_get_symtab_upper_bound (PROTO(unsigned int, (*),(bfd *)))bfd_false
  44 #define coff_get_symtab  (PROTO(unsigned int, (*), (bfd *, asymbol **)))bfd_0
  45 #define coff_print_symbol \
  46     (PROTO(void,(*),(bfd *, PTR, asymbol *, enum bfd_print_symbol))) bfd_void
  47 #define coff_swap_sym_in (PROTO(void,(*),(bfd *,PTR,PTR))) bfd_void
  48 #define coff_swap_aux_in (PROTO(void,(*),(bfd *,PTR,int,int,PTR))) bfd_void
  49 #define coff_swap_sym_out (PROTO(unsigned,(*),(bfd *,PTR,PTR))) bfd_void
  50 #define coff_swap_aux_out (PROTO(unsigned,(*),(bfd *,PTR,int,int,PTR))) bfd_void
  51
  52 /* We do not implement linenos for ecoff. */
  53 #define coff_get_lineno (struct lineno_cache_entry *(*)()) bfd_nullvoidptr
  54 #define coff_swap_lineno_in (PROTO(void,(*),(bfd *,PTR,PTR))) bfd_void
  55 #define coff_find_nearest_line (PROTO(boolean, (*),(bfd*,asection*,asymbol**,bfd_vma, CONST char**, CONST char**, unsigned int *))) bfd_false
  56 #define coff_swap_lineno_out  (PROTO(unsigned,(*),(bfd *,PTR,PTR))) bfd_void
  57
  58 bfd_target ecoff_little_vec =
  59 {
  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
  70                                                             flags */
  71   0,                            /* leading underscore */
  72   '/',                          /* ar_pad_char */
  73   15,                           /* ar_max_namelen */
  74   3,                            /* minimum alignment power */
  75   _do_getl64, _do_putl64,       _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* data */
  76   _do_getl64, _do_putl64,       _do_getl32, _do_putl32, _do_getl16, _do_putl16, /* hdrs */
  77
  78  {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
  79    bfd_generic_archive_p, _bfd_dummy_target},
  80  {bfd_false, coff_mkobject, bfd_false, /* bfd_set_format */
  81    bfd_false},
  82  {bfd_false, coff_write_object_contents, bfd_false, bfd_false},
  83   JUMP_TABLE (coff)
  84  };
  85
  86 bfd_target ecoff_big_vec =
  87 {
  88   "ecoff-bigmips",              /* name */
  89   bfd_target_coff_flavour,
  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   0,                            /* leading underscore */
  99   ' ',                          /* ar_pad_char */
 100   16,                           /* ar_max_namelen */
 101   3,                            /* minimum alignment power */
 102   _do_getb64, _do_putb64,       _do_getb32, _do_putb32, _do_getb16, _do_putb16,
 103   _do_getb64, _do_putb64,       _do_getb32, _do_putb32, _do_getb16, _do_putb16,
 104  {_bfd_dummy_target, coff_object_p, /* bfd_check_format */
 105    bfd_generic_archive_p, _bfd_dummy_target},
 106  {bfd_false, coff_mkobject, bfd_false, /* bfd_set_format */
 107    bfd_false},
 108  {bfd_false, coff_write_object_contents, /* bfd_write_contents */
 109    bfd_false, bfd_false},
 110   JUMP_TABLE(coff),
 111   COFF_SWAP_TABLE
 112  };