dist/opcodes/s390-dis.c

28 #include "opcode/s390.h"
34 /* Set up index table for first opcode byte.  */
39   const struct s390_opcode *opcode;
45   for (opcode = s390_opcodes; opcode < opcode_end; opcode++)
47       opc_index[(int) opcode->opcode[0]] = opcode - s390_opcodes;
48       while ((opcode < opcode_end) &&
49 	     (opcode[1].opcode[0] == opcode->opcode[0]))
50 	opcode++;
130   const struct s390_opcode *opcode;
171       /* Find the first match in the opcode table.  */
173       for (opcode = s390_opcodes + opc_index[(int) buffer[0]];
174 	   (opcode < opcode_end) && (buffer[0] == opcode->opcode[0]);
175 	   opcode++)
181 	  if (!(opcode->modes & current_arch_mask))
184 	  /* Check signature of the opcode.  */
185 	  if ((buffer[1] & opcode->mask[1]) != opcode->opcode[1]
186 	      || (buffer[2] & opcode->mask[2]) != opcode->opcode[2]
187 	      || (buffer[3] & opcode->mask[3]) != opcode->opcode[3]
188 	      || (buffer[4] & opcode->mask[4]) != opcode->opcode[4]
189 	      || (buffer[5] & opcode->mask[5]) != opcode->opcode[5])
192 	  /* Advance to an opcode with a more specific mask.  */
193 	  for (op = opcode + 1; op < opcode_end; op++)
195 	      if ((buffer[0] & op->mask[0]) != op->opcode[0])
198 	      if ((buffer[1] & op->mask[1]) != op->opcode[1]
199 		  || (buffer[2] & op->mask[2]) != op->opcode[2]
200 		  || (buffer[3] & op->mask[3]) != op->opcode[3]
201 		  || (buffer[4] & op->mask[4]) != op->opcode[4]
202 		  || (buffer[5] & op->mask[5]) != op->opcode[5])
205 	      if (((int)opcode->mask[0] + opcode->mask[1] +
206 		   opcode->mask[2] + opcode->mask[3] +
207 		   opcode->mask[4] + opcode->mask[5]) <
211 		opcode = op;
215 	  if (opcode->operands[0] != 0)
216 	    (*info->fprintf_func) (info->stream, "%s\t", opcode->name);
218 	    (*info->fprintf_func) (info->stream, "%s", opcode->name);
222 	  for (opindex = opcode->operands; *opindex != 0; opindex++)