gas/config/tc-ns32k.h

   1 /* tc-ns32k.h -- Opcode table for National Semi 32k processor
   2    Copyright 1987, 1992, 1993, 1994, 1995, 1997, 2000, 2002
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GAS, the GNU Assembler.
   6
   7    GAS 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, or (at your option)
  10    any later version.
  11
  12    GAS 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 GAS; see the file COPYING.  If not, write to the Free
  19    Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  20    02111-1307, USA.  */
  21
  22 #define TC_NS32K
  23
  24 #define TARGET_BYTES_BIG_ENDIAN 0
  25
  26 #define TC_PCREL_ADJUST(F) md_pcrel_adjust(F)
  27 extern int md_pcrel_adjust PARAMS((fragS *fragP));
  28
  29 #ifdef BFD_ASSEMBLER
  30 #define NO_RELOC BFD_RELOC_NONE
  31
  32 #define TARGET_ARCH             bfd_arch_ns32k
  33
  34 #ifndef TARGET_FORMAT           /* Maybe defined in te-*.h */
  35 #define TARGET_FORMAT           "a.out-pc532-mach"
  36 #endif
  37 #else
  38 #define NO_RELOC 0
  39 #endif
  40
  41 #define LOCAL_LABELS_FB 1
  42
  43 #include "bit_fix.h"
  44
  45 #define tc_aout_pre_write_hook(x)       {;}     /* not used */
  46 #define tc_crawl_symbol_chain(a)        {;}     /* not used */
  47 #define tc_headers_hook(a)              {;}     /* not used */
  48
  49 #ifdef SEQUENT_COMPATABILITY
  50 #define DEF_MODEC 20
  51 #define DEF_MODEL 21
  52 #endif
  53
  54 #ifndef DEF_MODEC
  55 #define DEF_MODEC 20
  56 #endif
  57
  58 #ifndef DEF_MODEL
  59 #define DEF_MODEL 20
  60 #endif
  61
  62 #define MAX_ARGS 4
  63 #define ARG_LEN 50
  64
  65 #define TC_CONS_FIX_NEW cons_fix_new_ns32k
  66 extern void fix_new_ns32k_exp PARAMS ((fragS *, int, int, expressionS *,
  67                                        int, int, bit_fixS *, int, fragS *,
  68                                        unsigned int));
  69
  70 extern void fix_new_ns32k PARAMS ((fragS *, int, int, symbolS *, long,
  71                                    int, int, bit_fixS *, int, fragS *,
  72                                    unsigned int));
  73
  74 extern void cons_fix_new_ns32k PARAMS ((fragS *, int, int, expressionS *));
  75
  76 /* The NS32x32 has a non 0 nop instruction which should be used in aligns.  */
  77 #define NOP_OPCODE 0xa2
  78
  79 #define md_operand(x)
  80
  81 extern const struct relax_type md_relax_table[];
  82 #define TC_GENERIC_RELAX_TABLE md_relax_table
  83
  84 #define TC_FRAG_TYPE                            \
  85   struct                                        \
  86     {                                           \
  87       fragS *      fr_opcode_fragP;             \
  88       unsigned int fr_opcode_offset;            \
  89       char         fr_bsr;                      \
  90     }
  91
  92 #define TC_FRAG_INIT(X)                         \
  93   do                                            \
  94      {                                          \
  95        frag_opcode_frag (X) = NULL;             \
  96        frag_opcode_offset (X) = 0;              \
  97        frag_bsr (X) = 0;                        \
  98      }                                          \
  99   while (0)
 100
 101 /* Accessor macros for things which may move around.  */
 102 #define frag_opcode_frag(X)   (X)->tc_frag_data.fr_opcode_fragP
 103 #define frag_opcode_offset(X) (X)->tc_frag_data.fr_opcode_offset
 104 #define frag_bsr(X)           (X)->tc_frag_data.fr_bsr
 105
 106 #define TC_FIX_TYPE                             \
 107   struct                                        \
 108     {                                           \
 109       fragS *      opcode_fragP;                \
 110       unsigned int opcode_offset;               \
 111       unsigned int bsr : 1;                     \
 112     }
 113
 114 /* Accessor macros for things which may move around.
 115    See comments in write.h.  */
 116 #define fix_im_disp(X)       (X)->fx_im_disp
 117 #define fix_bit_fixP(X)      (X)->fx_bit_fixP
 118 #define fix_opcode_frag(X)   (X)->tc_fix_data.opcode_fragP
 119 #define fix_opcode_offset(X) (X)->tc_fix_data.opcode_offset
 120 #define fix_bsr(X)           (X)->tc_fix_data.bsr
 121
 122 #define TC_INIT_FIX_DATA(X)                     \
 123   do                                            \
 124      {                                          \
 125        fix_opcode_frag(X) = NULL;               \
 126        fix_opcode_offset(X) = 0;                \
 127        fix_bsr(X) = 0;                          \
 128      }                                          \
 129   while (0)
 130
 131 #define TC_FIX_DATA_PRINT(FILE, FIXP)                                   \
 132   do                                                                    \
 133     {                                                                   \
 134       fprintf ((FILE), "opcode_frag=%ld, operand offset=%d, bsr=%d\n",  \
 135               (unsigned long) fix_opcode_frag (FIXP),                   \
 136               fix_opcode_offset (FIXP),                                 \
 137               fix_bsr (FIXP));                                          \
 138     }                                                                   \
 139   while (0)