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 ONLY_STANDARD_ESCAPES
  28 #define BACKSLASH_V
  29 #define WORKING_DOT_WORD        1
  30 #define OLD_FLOAT_READS
  31 #define REPEAT_CONS_EXPRESSIONS
  32 #define RELOC_EXPANSION_POSSIBLE
  33 #define MAX_RELOC_EXPANSION 3
  34 #define LOCAL_LABELS_FB
  35
  36 #define LOCAL_LABEL(name) ((name)[0] == '$')
  37
  38 #define md_relax_frag(fragp, stretch)   (0)
  39 #define md_undefined_symbol(name)       (0)
  40 #define md_operand(x)
  41
  42 #define LITTLE_ENDIAN   1234
  43 #define BIG_ENDIAN      4321
  44
  45 /* If neither TARGET_BYTES_BIG_ENDIAN nor TARGET_BYTES_LITTLE_ENDIAN
  46    is specified, default to big endian.  */
  47 #ifndef TARGET_BYTES_BIG_ENDIAN
  48 #ifndef TARGET_BYTES_LITTLE_ENDIAN
  49 #define TARGET_BYTES_BIG_ENDIAN
  50 #endif
  51 #endif
  52
  53 #ifdef TARGET_BYTES_BIG_ENDIAN
  54 #define BYTE_ORDER      BIG_ENDIAN
  55 #else
  56 #define BYTE_ORDER      LITTLE_ENDIAN
  57 #endif
  58
  59 #ifndef TARGET_FORMAT
  60 #ifdef OBJ_AOUT
  61 #ifdef TARGET_BYTES_BIG_ENDIAN
  62 #define TARGET_FORMAT "a.out-mips-big"
  63 #else
  64 #define TARGET_FORMAT "a.out-mips-little"
  65 #endif
  66 #endif /* OBJ_AOUT */
  67 #ifdef OBJ_ECOFF
  68 #ifdef TARGET_BYTES_BIG_ENDIAN
  69 #define TARGET_FORMAT "ecoff-bigmips"
  70 #else
  71 #define TARGET_FORMAT "ecoff-littlemips"
  72 #endif
  73 #endif /* OBJ_ECOFF */
  74 #ifdef OBJ_ELF
  75 #ifdef TARGET_BYTES_BIG_ENDIAN
  76 #define TARGET_FORMAT "elf32-bigmips"
  77 #else
  78 #define TARGET_FORMAT "elf32-littlemips"
  79 #endif
  80 #endif /* OBJ_ELF */
  81 #endif /* ! defined (TARGET_FORMAT) */
  82
  83 struct mips_cl_insn {
  84     unsigned long               insn_opcode;
  85     const struct mips_opcode    *insn_mo;
  86 };
  87
  88 extern int tc_get_register PARAMS ((int frame));
  89
  90 #define tc_frob_label(sym) mips_define_label (sym)
  91 extern void mips_define_label PARAMS ((struct symbol *));
  92
  93 #define TC_CONS_FIX_NEW cons_fix_new_mips
  94 extern void cons_fix_new_mips ();
  95
  96 /* Register mask variables.  These are set by the MIPS assembly code
  97    and used by ECOFF and possibly other object file formats.  */
  98 extern unsigned long mips_gprmask;
  99 extern unsigned long mips_cprmask[4];
 100
 101 #ifdef OBJ_ELF
 102
 103 #define elf_tc_final_processing mips_elf_final_processing
 104 extern void mips_elf_final_processing PARAMS ((void));
 105
 106 #define ELF_TC_SPECIAL_SECTIONS \
 107   { ".sdata",   SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL  }, \
 108   { ".sbss",    SHT_NOBITS,     SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL  }, \
 109   { ".lit4",    SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL  }, \
 110   { ".lit8",    SHT_PROGBITS,   SHF_ALLOC + SHF_WRITE + SHF_MIPS_GPREL  }, \
 111   { ".ucode",   SHT_MIPS_UCODE, 0                                       }, \
 112   { ".mdebug",  SHT_MIPS_DEBUG, 0                                       },
 113 /* Other special sections not generated by the assembler: .reginfo,
 114    .liblist, .conflict, .gptab, .got, .dynamic, .rel.dyn.  */
 115
 116 #endif
 117
 118 extern void md_mips_end PARAMS ((void));
 119 #define md_end()        md_mips_end()