Esempi in C++ (Cpp) per MD_OP_FORMAT

Esempio n. 1

File: alpha.c Progetto: palmerc/lab

/* disassemble an Alpha instruction */
void
md_print_insn(md_inst_t inst,		/* instruction to disassemble */
	      md_addr_t pc,		/* addr of inst, used for PC-rels */
	      FILE *stream)		/* output stream */
{
  enum md_opcode op;

  /* use stderr as default output stream */
  if (!stream)
    stream = stderr;

  /* decode the instruction, assumes predecoded text segment */
  MD_SET_OPCODE(op, inst);

  /* disassemble the instruction */
  if (op <= OP_NA || op >= OP_MAX)
    {
      /* bogus instruction */
      fprintf(stream, "<invalid inst: 0x%08x>", inst);
    }
  else
    {
      char *s;

      fprintf(stream, "%-10s", MD_OP_NAME(op));

      s = MD_OP_FORMAT(op);
      while (*s) {
	switch (*s) {
	case 'a':
	  fprintf(stream, "r%d", RA);
	  break;
	case 'b':
	  fprintf(stream, "r%d", RB);
	  break;
	case 'c':
	  fprintf(stream, "r%d", RC);
	  break;
	case 'A':
	  fprintf(stream, "f%d", RA);
	  break;
	case 'B':
	  fprintf(stream, "f%d", RB);
	  break;
	case 'C':
	  fprintf(stream, "f%d", RC);
	  break;
	case 'o':
	  fprintf(stream, "%d", (sword_t)SEXT(OFS));
	  break;
	case 'j':
	  myfprintf(stream, "0x%p", pc + (SEXT(OFS) << 2) + 4);
	  break;
	case 'J':
	  myfprintf(stream, "0x%p", pc + (SEXT21(TARG) << 2) + 4);
	  break;
	case 'i':
	  fprintf(stream, "%d", (word_t)IMM);
	  break;
	default:
	  /* anything unrecognized, e.g., '.' is just passed through */
	  fputc(*s, stream);
	}
	s++;
      }
    }
}

Esempio n. 2

File: machine.c Progetto: plessl/zippy

/* disassemble a SimpleScalar instruction */
void
md_print_insn(md_inst_t inst,		/* instruction to disassemble */
	      md_addr_t pc,		/* addr of inst, used for PC-rels */
	      FILE *stream)		/* output stream */
{
  enum md_opcode op;

  /* use stderr as default output stream */
  if (!stream)
    stream = stderr;

  /* decode the instruction, assumes predecoded text segment */
  MD_SET_OPCODE(op, inst);

  /* disassemble the instruction */
  if (op == OP_NA || op >= OP_MAX)
    {
      /* bogus instruction */
      fprintf(stream, "<invalid inst: 0x%08x:%08x>", inst.a, inst.b);
    }
  else
    {
      char *s;

      fprintf(stream, "%-10s", MD_OP_NAME(op));

      s = MD_OP_FORMAT(op);
      while (*s) {
	switch (*s) {
	case 'd':
	  fprintf(stream, "r%d", RD);
	  break;
	case 's':
	  fprintf(stream, "r%d", RS);
	  break;
	case 't':
	  fprintf(stream, "r%d", RT);
	  break;
	case 'b':
	  fprintf(stream, "r%d", BS);
	  break;
	case 'D':
	  fprintf(stream, "f%d", FD);
	  break;
	case 'S':
	  fprintf(stream, "f%d", FS);
	  break;
	case 'T':
	  fprintf(stream, "f%d", FT);
	  break;
	case 'j':
	  fprintf(stream, "0x%x", (pc + 8 + (OFS << 2)));
	  break;
	case 'o':
	case 'i':
	  fprintf(stream, "%d", IMM);
	  break;
	case 'H':
	  fprintf(stream, "%d", SHAMT);
	  break;
	case 'u':
	  fprintf(stream, "%u", UIMM);
	  break;
	case 'U':
	  fprintf(stream, "0x%x", UIMM);
	  break;
	case 'J':
	  fprintf(stream, "0x%x", ((pc & 036000000000) | (TARG << 2)));
	  break;
	case 'B':
	  fprintf(stream, "0x%x", BCODE);
	  break;
#if 0 /* FIXME: obsolete... */
	case ')':
	  /* handle pre- or post-inc/dec */
	  if (SS_COMP_OP == SS_COMP_NOP)
	    fprintf(stream, ")");
	  else if (SS_COMP_OP == SS_COMP_POST_INC)
	    fprintf(stream, ")+");
	  else if (SS_COMP_OP == SS_COMP_POST_DEC)
	    fprintf(stream, ")-");
	  else if (SS_COMP_OP == SS_COMP_PRE_INC)
	    fprintf(stream, ")^+");
	  else if (SS_COMP_OP == SS_COMP_PRE_DEC)
	    fprintf(stream, ")^-");
	  else if (SS_COMP_OP == SS_COMP_POST_DBL_INC)
	    fprintf(stream, ")++");
	  else if (SS_COMP_OP == SS_COMP_POST_DBL_DEC)
	    fprintf(stream, ")--");
	  else if (SS_COMP_OP == SS_COMP_PRE_DBL_INC)
	    fprintf(stream, ")^++");
	  else if (SS_COMP_OP == SS_COMP_PRE_DBL_DEC)
	    fprintf(stream, ")^--");
	  else
	    panic("bogus SS_COMP_OP");
	  break;
#endif
	default:
	  /* anything unrecognized, e.g., '.' is just passed through */
	  fputc(*s, stream);
	}
	s++;
      }
    }
}