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, FIX) \ 132 do \ 133 { \ 134 fprintf ((FILE), "opcode_frag=%ld, operand offset=%d, bsr=%d\n", \ 135 (unsigned long) fix_opcode_frag (FIX), \ 136 fix_opcode_offset (FIX), \ 137 fix_bsr (FIX)); \ 138 } \ 139 while (0) 140