gdb/i860-opcode.h

   1 /* Intel I860 opcde list for GDB, the GNU debugger.
   2    Copyright (C) 1986, 1987 Free Software Foundation, Inc.
   3
   4 GDB is distributed in the hope that it will be useful, but WITHOUT ANY
   5 WARRANTY.  No author or distributor accepts responsibility to anyone
   6 for the consequences of using it or for whether it serves any
   7 particular purpose or works at all, unless he says so in writing.
   8 Refer to the GDB General Public License for full details.
   9
  10 Everyone is granted permission to copy, modify and redistribute GDB,
  11 but only under the conditions described in the GDB General Public
  12 License.  A copy of this license is supposed to have been given to you
  13 along with GDB so you can know your rights and responsibilities.  It
  14 should be in a file named COPYING.  Among other things, the copyright
  15 notice and this notice must be preserved on all copies.
  16
  17 In other words, go ahead and share GDB, but don't try to stop
  18 anyone else from sharing it farther.  Help stamp out software hoarding!
  19 */
  20
  21 #ifdef BIG_ENDIAN
  22 struct gen_fmt
  23 {
  24   unsigned op1 : 6;
  25   unsigned src2 : 5;
  26   unsigned dest : 5;
  27   unsigned src1 : 5;
  28   unsigned offset : 11;
  29 };
  30
  31 struct geni_fmt
  32 {
  33   unsigned op1 : 6;
  34   unsigned src2 : 5;
  35   unsigned dest : 5;
  36   unsigned offset : 16;
  37 };
  38
  39 struct esc_fmt
  40 {
  41   unsigned op1 : 6;
  42   unsigned res1 : 10;
  43   unsigned src1 : 5;
  44   unsigned res2 : 6;
  45   unsigned op2 : 5;
  46 };
  47 struct ctrl_fmt
  48 {
  49   unsigned op1 : 6;
  50   unsigned int offset : 26;
  51 };
  52
  53 struct fp_fmt
  54 {
  55   unsigned op1 : 6;
  56   unsigned src2 : 5;
  57   unsigned dest : 5;
  58   unsigned src1 : 5;
  59   unsigned p : 1;
  60   unsigned d : 1;
  61   unsigned s : 1;
  62   unsigned r : 1;
  63   unsigned op2 : 7;
  64 };
  65
  66 union insn_fmt
  67 {
  68   struct gen_fmt gen;
  69   struct geni_fmt geni;
  70   struct esc_fmt esc;
  71   struct ctrl_fmt ctrl;
  72   struct fp_fmt fp;
  73   long int_val;
  74 };
  75 #else
  76 struct gen_fmt
  77 {
  78   unsigned offset : 11;
  79   unsigned src1 : 5;
  80   unsigned dest : 5;
  81   unsigned src2 : 5;
  82   unsigned op1 : 6;
  83 };
  84
  85 struct geni_fmt
  86 {
  87   unsigned offset : 16;
  88   unsigned dest : 5;
  89   unsigned src2 : 5;
  90   unsigned op1 : 6;
  91 };
  92
  93 struct esc_fmt
  94 {
  95   unsigned op2 : 5;
  96   unsigned res2 : 6;
  97   unsigned src1 : 5;
  98   unsigned res1 : 10;
  99   unsigned op1 : 6;
 100 };
 101 struct ctrl_fmt
 102 {
 103   unsigned int offset : 26;
 104   unsigned op1 : 6;
 105 };
 106
 107 struct fp_fmt
 108 {
 109   unsigned op2 : 7;
 110   unsigned r : 1;
 111   unsigned s : 1;
 112   unsigned d : 1;
 113   unsigned p : 1;
 114   unsigned src1 : 5;
 115   unsigned dest : 5;
 116   unsigned src2 : 5;
 117   unsigned op1 : 6;
 118 };
 119
 120 union insn_fmt
 121 {
 122   struct gen_fmt gen;
 123   struct geni_fmt geni;
 124   struct esc_fmt esc;
 125   struct ctrl_fmt ctrl;
 126   struct fp_fmt fp;
 127   long int_val;
 128 };
 129 #endif
 130
 131 typedef enum
 132 {
 133   Error, not_branch, uncond, uncond_d, cond, cond_d
 134 } branch_type;