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, 2005
   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, 51 Franklin Street - Fifth Floor, Boston, MA
  20    02110-1301, 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 (fragS *);
  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 cons_fix_new_ns32k (fragS *, int, int, expressionS *);
  67
  68 /* The NS32x32 has a non 0 nop instruction which should be used in aligns.  */
  69 #define NOP_OPCODE 0xa2
  70
  71 #define md_operand(x)
  72
  73 extern const struct relax_type md_relax_table[];
  74 #define TC_GENERIC_RELAX_TABLE md_relax_table
  75
  76 #define TC_FRAG_TYPE                            \
  77   struct                                        \
  78     {                                           \
  79       fragS *      fr_opcode_fragP;             \
  80       unsigned int fr_opcode_offset;            \
  81       char         fr_bsr;                      \
  82     }
  83
  84 #define TC_FRAG_INIT(X)                         \
  85   do                                            \
  86      {                                          \
  87        frag_opcode_frag (X) = NULL;             \
  88        frag_opcode_offset (X) = 0;              \
  89        frag_bsr (X) = 0;                        \
  90      }                                          \
  91   while (0)
  92
  93 /* Accessor macros for things which may move around.  */
  94 #define frag_opcode_frag(X)   (X)->tc_frag_data.fr_opcode_fragP
  95 #define frag_opcode_offset(X) (X)->tc_frag_data.fr_opcode_offset
  96 #define frag_bsr(X)           (X)->tc_frag_data.fr_bsr
  97
  98 #define TC_FIX_TYPE                             \
  99   struct                                        \
 100     {                                           \
 101       fragS *      opcode_fragP;                \
 102       unsigned int opcode_offset;               \
 103       unsigned int bsr : 1;                     \
 104     }
 105
 106 /* Accessor macros for things which may move around.
 107    See comments in write.h.  */
 108 #define fix_im_disp(X)       (X)->fx_im_disp
 109 #define fix_bit_fixP(X)      (X)->fx_bit_fixP
 110 #define fix_opcode_frag(X)   (X)->tc_fix_data.opcode_fragP
 111 #define fix_opcode_offset(X) (X)->tc_fix_data.opcode_offset
 112 #define fix_bsr(X)           (X)->tc_fix_data.bsr
 113
 114 #define TC_INIT_FIX_DATA(X)                     \
 115   do                                            \
 116      {                                          \
 117        fix_opcode_frag(X) = NULL;               \
 118        fix_opcode_offset(X) = 0;                \
 119        fix_bsr(X) = 0;                          \
 120      }                                          \
 121   while (0)
 122
 123 #define TC_FIX_DATA_PRINT(FILE, FIX)                                    \
 124   do                                                                    \
 125     {                                                                   \
 126       fprintf ((FILE), "opcode_frag=%ld, operand offset=%d, bsr=%d\n",  \
 127               (unsigned long) fix_opcode_frag (FIX),                    \
 128               fix_opcode_offset (FIX),                                  \
 129               fix_bsr (FIX));                                           \
 130     }                                                                   \
 131   while (0)