gdb/i860-opcode.h

   1 /* Intel I860 opcde list for GDB, the GNU debugger.
   2    Copyright (C) 1992 Free Software Foundation, Inc.
   3    Contributed by Peggy Fieland (pfieland@stratus.com)
   4
   5 GDB is distributed in the hope that it will be useful, but WITHOUT ANY
   6 WARRANTY.  No author or distributor accepts responsibility to anyone
   7 for the consequences of using it or for whether it serves any
   8 particular purpose or works at all, unless he says so in writing.
   9 Refer to the GDB General Public License for full details.
  10
  11 Everyone is granted permission to copy, modify and redistribute GDB,
  12 but only under the conditions described in the GDB General Public
  13 License.  A copy of this license is supposed to have been given to you
  14 along with GDB so you can know your rights and responsibilities.  It
  15 should be in a file named COPYING.  Among other things, the copyright
  16 notice and this notice must be preserved on all copies.
  17
  18 In other words, go ahead and share GDB, but don't try to stop
  19 anyone else from sharing it farther.  Help stamp out software hoarding!
  20 */
  21
  22 #ifdef BIG_ENDIAN
  23 struct gen_fmt
  24 {
  25   unsigned op1 : 6;
  26   unsigned src2 : 5;
  27   unsigned dest : 5;
  28   unsigned src1 : 5;
  29   unsigned offset : 11;
  30 };
  31
  32 struct geni_fmt
  33 {
  34   unsigned op1 : 6;
  35   unsigned src2 : 5;
  36   unsigned dest : 5;
  37   unsigned offset : 16;
  38 };
  39
  40 struct esc_fmt
  41 {
  42   unsigned op1 : 6;
  43   unsigned res1 : 10;
  44   unsigned src1 : 5;
  45   unsigned res2 : 6;
  46   unsigned op2 : 5;
  47 };
  48 struct ctrl_fmt
  49 {
  50   unsigned op1 : 6;
  51   unsigned int offset : 26;
  52 };
  53
  54 struct fp_fmt
  55 {
  56   unsigned op1 : 6;
  57   unsigned src2 : 5;
  58   unsigned dest : 5;
  59   unsigned src1 : 5;
  60   unsigned p : 1;
  61   unsigned d : 1;
  62   unsigned s : 1;
  63   unsigned r : 1;
  64   unsigned op2 : 7;
  65 };
  66
  67 union insn_fmt
  68 {
  69   struct gen_fmt gen;
  70   struct geni_fmt geni;
  71   struct esc_fmt esc;
  72   struct ctrl_fmt ctrl;
  73   struct fp_fmt fp;
  74   long int_val;
  75 };
  76 #else
  77 struct gen_fmt
  78 {
  79   unsigned offset : 11;
  80   unsigned src1 : 5;
  81   unsigned dest : 5;
  82   unsigned src2 : 5;
  83   unsigned op1 : 6;
  84 };
  85
  86 struct geni_fmt
  87 {
  88   unsigned offset : 16;
  89   unsigned dest : 5;
  90   unsigned src2 : 5;
  91   unsigned op1 : 6;
  92 };
  93
  94 struct esc_fmt
  95 {
  96   unsigned op2 : 5;
  97   unsigned res2 : 6;
  98   unsigned src1 : 5;
  99   unsigned res1 : 10;
 100   unsigned op1 : 6;
 101 };
 102 struct ctrl_fmt
 103 {
 104   unsigned int offset : 26;
 105   unsigned op1 : 6;
 106 };
 107
 108 struct fp_fmt
 109 {
 110   unsigned op2 : 7;
 111   unsigned r : 1;
 112   unsigned s : 1;
 113   unsigned d : 1;
 114   unsigned p : 1;
 115   unsigned src1 : 5;
 116   unsigned dest : 5;
 117   unsigned src2 : 5;
 118   unsigned op1 : 6;
 119 };
 120
 121 union insn_fmt
 122 {
 123   struct gen_fmt gen;
 124   struct geni_fmt geni;
 125   struct esc_fmt esc;
 126   struct ctrl_fmt ctrl;
 127   struct fp_fmt fp;
 128   long int_val;
 129 };
 130 #endif
 131
 132 typedef enum
 133 {
 134   Error, not_branch, uncond, uncond_d, cond, cond_d
 135 } branch_type;
 136
 137