gas/config/tc-ns32k.h

   1 /* tc-ns32k.h -- Opcode table for National Semi 32k processor
   2    Copyright (C) 1987-2021 Free Software Foundation, Inc.
   3
   4    This file is part of GAS, the GNU Assembler.
   5
   6    GAS is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    GAS is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GAS; see the file COPYING.  If not, write to the Free
  18    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  19    02110-1301, USA.  */
  20
  21 #define TC_NS32K
  22
  23 #define TARGET_BYTES_BIG_ENDIAN 0
  24
  25 #define TC_PCREL_ADJUST(F) md_pcrel_adjust(F)
  26 extern int md_pcrel_adjust (fragS *);
  27
  28 #define NO_RELOC BFD_RELOC_NONE
  29
  30 #define TARGET_ARCH             bfd_arch_ns32k
  31
  32 #ifndef TARGET_FORMAT           /* Maybe defined in te-*.h.  */
  33 #define TARGET_FORMAT           "a.out-pc532-mach"
  34 #endif
  35
  36 #define LOCAL_LABELS_FB 1
  37
  38 #include "bit_fix.h"
  39
  40 #ifdef SEQUENT_COMPATABILITY
  41 #define DEF_MODEC 20
  42 #define DEF_MODEL 21
  43 #endif
  44
  45 #ifndef DEF_MODEC
  46 #define DEF_MODEC 20
  47 #endif
  48
  49 #ifndef DEF_MODEL
  50 #define DEF_MODEL 20
  51 #endif
  52
  53 #define MAX_ARGS 4
  54 #define ARG_LEN 50
  55
  56 #define TC_CONS_FIX_NEW cons_fix_new_ns32k
  57 extern void cons_fix_new_ns32k (fragS *, int, int, expressionS *,
  58                                 bfd_reloc_code_real_type);
  59
  60 /* The NS32x32 has a non 0 nop instruction which should be used in aligns.  */
  61 #define NOP_OPCODE 0xa2
  62
  63 #define md_operand(x)
  64
  65 extern const struct relax_type md_relax_table[];
  66 #define TC_GENERIC_RELAX_TABLE md_relax_table
  67
  68 #define TC_FRAG_TYPE                            \
  69   struct                                        \
  70     {                                           \
  71       fragS *      fr_opcode_fragP;             \
  72       unsigned int fr_opcode_offset;            \
  73       char         fr_bsr;                      \
  74     }
  75
  76 #define TC_FRAG_INIT(X, MAX_BYTES)              \
  77   do                                            \
  78      {                                          \
  79        frag_opcode_frag (X) = NULL;             \
  80        frag_opcode_offset (X) = 0;              \
  81        frag_bsr (X) = 0;                        \
  82      }                                          \
  83   while (0)
  84
  85 /* Accessor macros for things which may move around.  */
  86 #define frag_opcode_frag(X)   (X)->tc_frag_data.fr_opcode_fragP
  87 #define frag_opcode_offset(X) (X)->tc_frag_data.fr_opcode_offset
  88 #define frag_bsr(X)           (X)->tc_frag_data.fr_bsr
  89
  90 #define TC_FIX_TYPE                             \
  91   struct                                        \
  92     {                                           \
  93       fragS *      opcode_fragP;                \
  94       bit_fixS *   fx_bit_fixP;                 \
  95       unsigned int opcode_offset;               \
  96       unsigned int bsr : 1;                     \
  97       unsigned int fx_im_disp : 2;              \
  98     }
  99
 100 /* Accessor macros for things which may move around.
 101    See comments in write.h.  */
 102 #define fix_im_disp(X)       (X)->tc_fix_data.fx_im_disp
 103 #define fix_bit_fixP(X)      (X)->tc_fix_data.fx_bit_fixP
 104 #define fix_opcode_frag(X)   (X)->tc_fix_data.opcode_fragP
 105 #define fix_opcode_offset(X) (X)->tc_fix_data.opcode_offset
 106 #define fix_bsr(X)           (X)->tc_fix_data.bsr
 107
 108 #define TC_INIT_FIX_DATA(X)                     \
 109   do                                            \
 110      {                                          \
 111        fix_opcode_frag(X) = NULL;               \
 112        fix_opcode_offset(X) = 0;                \
 113        fix_bit_fixP(X) = NULL;                  \
 114        fix_bsr(X) = 0;                          \
 115        fix_im_disp(X) = 0;                      \
 116      }                                          \
 117   while (0)
 118
 119 #define TC_FIX_DATA_PRINT(FILE, FIX)                                    \
 120   do                                                                    \
 121     {                                                                   \
 122       fprintf ((FILE), "opcode_frag=%ld, operand offset=%d, bsr=%d, "   \
 123                "im_disp=%d\n",                                          \
 124                (unsigned long) fix_opcode_frag (FIX),                   \
 125                fix_opcode_offset (FIX),                                 \
 126                fix_bsr (FIX),                                           \
 127                fix_im_disp (FIX));                                      \
 128     }                                                                   \
 129   while (0)