gas/config/tc-mips.h

   1 /* tc-mips.c -- header file for tc-mips.c.
   2    Copyright (C) 1993 Free Software Foundation, Inc.
   3    Contributed by the OSF and Ralph Campbell.
   4    Written by Keith Knowles and Ralph Campbell, working independently.
   5    Modified for ECOFF support by Ian Lance Taylor of Cygnus Support.
   6
   7    This file is part of GAS.
   8
   9    GAS is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2, or (at your option)
  12    any later version.
  13
  14    GAS 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 GAS; see the file COPYING.  If not, write to
  21    the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  22
  23 #define TC_MIPS
  24
  25 #define TARGET_ARCH bfd_arch_mips
  26
  27 #define NO_LISTING
  28 #define ONLY_STANDARD_ESCAPES
  29 #define BACKSLASH_V
  30 #define WORKING_DOT_WORD        1
  31 #define OLD_FLOAT_READS
  32 #define LOCAL_LABELS_FB
  33
  34 #ifdef OBJ_ECOFF
  35 #define LOCAL_LABEL(name) ((name)[0] == '$' && (name)[1] == 'L')
  36 #endif
  37
  38 #define md_undefined_symbol(name)       (0)
  39 #define md_operand(x)
  40
  41 #define LITTLE_ENDIAN   1234
  42 #define BIG_ENDIAN      4321
  43
  44 /* If neither TARGET_BYTES_BIG_ENDIAN nor TARGET_BYTES_LITTLE_ENDIAN
  45    is specified, default to big endian.  */
  46 #ifndef TARGET_BYTES_BIG_ENDIAN
  47 #ifndef TARGET_BYTES_LITTLE_ENDIAN
  48 #define TARGET_BYTES_BIG_ENDIAN
  49 #endif
  50 #endif
  51
  52 #ifdef TARGET_BYTES_BIG_ENDIAN
  53 #define BYTE_ORDER      BIG_ENDIAN
  54 #else
  55 #define BYTE_ORDER      LITTLE_ENDIAN
  56 #endif
  57
  58 #ifndef TARGET_FORMAT
  59 #ifdef OBJ_AOUT
  60 #ifdef TARGET_BYTES_BIG_ENDIAN
  61 #define TARGET_FORMAT "aout-mips-big"
  62 #else
  63 #define TARGET_FORMAT "aout-mips-little"
  64 #endif
  65 #endif /* OBJ_AOUT */
  66 #ifdef OBJ_ECOFF
  67 #ifdef TARGET_BYTES_BIG_ENDIAN
  68 #define TARGET_FORMAT "ecoff-bigmips"
  69 #else
  70 #define TARGET_FORMAT "ecoff-littlemips"
  71 #endif
  72 #endif /* OBJ_ECOFF */
  73 #endif /* ! defined (TARGET_FORMAT) */
  74
  75 struct mips_opcode {
  76     const char *name;
  77     const char *args;
  78     unsigned long match;
  79     unsigned long mask;  /* used only for error checking */
  80     unsigned long pinfo; /* Information used for insn/pipeline scheduling. */
  81 };
  82
  83 struct mips_cl_insn {
  84     unsigned long               insn_opcode;
  85     const struct mips_opcode    *insn_mo;
  86 };
  87
  88 #ifndef BFD_ASSEMBLER
  89 #define md_convert_frag(h,f)            {as_fatal ("MIPS convert_frag\n");}
  90 #else
  91 #define md_convert_frag(b,s,f)          {as_fatal ("MIPS convert_frag\n");}
  92 #endif
  93
  94 extern int tc_get_register PARAMS ((void));