Пример #1
0
int
print_insn_spu (bfd_vma memaddr, struct disassemble_info *info)
{
    bfd_byte buffer[4];
    int value;
    int hex_value;
    int status;
    unsigned int insn;
    const struct spu_opcode *index;
    enum spu_insns tag;

    status = (*info->read_memory_func) (memaddr, buffer, 4, info);
    if (status != 0)
    {
        (*info->memory_error_func) (status, memaddr, info);
        return -1;
    }

    insn = bfd_getb32 (buffer);

    index = get_index_for_opcode (insn);

    if (index == 0)
    {
        (*info->fprintf_func) (info->stream, ".long 0x%x", insn);
    }
    else
    {
        int i;
        int paren = 0;
        tag = (enum spu_insns)(index - spu_opcodes);
        (*info->fprintf_func) (info->stream, "%s", index->mnemonic);
        if (tag == M_BI || tag == M_BISL || tag == M_IRET || tag == M_BISLED
                || tag == M_BIHNZ || tag == M_BIHZ || tag == M_BINZ || tag == M_BIZ
                || tag == M_SYNC || tag == M_HBR)
        {
            int fb = (insn >> (32-18)) & 0x7f;
            if (fb & 0x40)
                (*info->fprintf_func) (info->stream, tag == M_SYNC ? "c" : "p");
            if (fb & 0x20)
                (*info->fprintf_func) (info->stream, "d");
            if (fb & 0x10)
                (*info->fprintf_func) (info->stream, "e");
        }
        if (index->arg[0] != 0)
            (*info->fprintf_func) (info->stream, "\t");
        hex_value = 0;
        for (i = 1;  i <= index->arg[0]; i++)
        {
            int arg = index->arg[i];
            if (arg != A_P && !paren && i > 1)
                (*info->fprintf_func) (info->stream, ",");

            switch (arg)
            {
            case A_T:
                (*info->fprintf_func) (info->stream, "$%d",
                                       DECODE_INSN_RT (insn));
                break;
            case A_A:
                (*info->fprintf_func) (info->stream, "$%d",
                                       DECODE_INSN_RA (insn));
                break;
            case A_B:
                (*info->fprintf_func) (info->stream, "$%d",
                                       DECODE_INSN_RB (insn));
                break;
            case A_C:
                (*info->fprintf_func) (info->stream, "$%d",
                                       DECODE_INSN_RC (insn));
                break;
            case A_S:
                (*info->fprintf_func) (info->stream, "$sp%d",
                                       DECODE_INSN_RA (insn));
                break;
            case A_H:
                (*info->fprintf_func) (info->stream, "$ch%d",
                                       DECODE_INSN_RA (insn));
                break;
            case A_P:
                paren++;
                (*info->fprintf_func) (info->stream, "(");
                break;
            case A_U7A:
                (*info->fprintf_func) (info->stream, "%d",
                                       173 - DECODE_INSN_U8 (insn));
                break;
            case A_U7B:
                (*info->fprintf_func) (info->stream, "%d",
                                       155 - DECODE_INSN_U8 (insn));
                break;
            case A_S3:
            case A_S6:
            case A_S7:
            case A_S7N:
            case A_U3:
            case A_U5:
            case A_U6:
            case A_U7:
                hex_value = DECODE_INSN_I7 (insn);
                (*info->fprintf_func) (info->stream, "%d", hex_value);
                break;
            case A_S11:
                (*info->print_address_func) (memaddr + DECODE_INSN_I9a (insn) * 4,
                                             info);
                break;
            case A_S11I:
                (*info->print_address_func) (memaddr + DECODE_INSN_I9b (insn) * 4,
                                             info);
                break;
            case A_S10:
            case A_S10B:
                hex_value = DECODE_INSN_I10 (insn);
                (*info->fprintf_func) (info->stream, "%d", hex_value);
                break;
            case A_S14:
                hex_value = DECODE_INSN_I10 (insn) * 16;
                (*info->fprintf_func) (info->stream, "%d", hex_value);
                break;
            case A_S16:
                hex_value = DECODE_INSN_I16 (insn);
                (*info->fprintf_func) (info->stream, "%d", hex_value);
                break;
            case A_X16:
                hex_value = DECODE_INSN_U16 (insn);
                (*info->fprintf_func) (info->stream, "%u", hex_value);
                break;
            case A_R18:
                value = DECODE_INSN_I16 (insn) * 4;
                if (value == 0)
                    (*info->fprintf_func) (info->stream, "%d", value);
                else
                {
                    hex_value = memaddr + value;
                    (*info->print_address_func) (hex_value & 0x3ffff, info);
                }
                break;
            case A_S18:
                value = DECODE_INSN_U16 (insn) * 4;
                if (value == 0)
                    (*info->fprintf_func) (info->stream, "%d", value);
                else
                    (*info->print_address_func) (value, info);
                break;
            case A_U18:
                value = DECODE_INSN_U18 (insn);
                if (value == 0 || !(*info->symbol_at_address_func)(0, info))
                {
                    hex_value = value;
                    (*info->fprintf_func) (info->stream, "%u", value);
                }
                else
                    (*info->print_address_func) (value, info);
                break;
            case A_U14:
                hex_value = DECODE_INSN_U14 (insn);
                (*info->fprintf_func) (info->stream, "%u", hex_value);
                break;
            }
            if (arg != A_P && paren)
            {
                (*info->fprintf_func) (info->stream, ")");
                paren--;
            }
        }
        if (hex_value > 16)
            (*info->fprintf_func) (info->stream, "\t# %x", hex_value);
    }
Пример #2
0
int
print_insn_spu (unsigned long insn, unsigned long memaddr)
{
  int value;
  int hex_value;
  const struct spu_opcode *index;
  enum spu_insns tag;

  index = get_index_for_opcode (insn);

  if (index == 0)
    {
      printf(".long 0x%lx", insn);
    }
  else
    {
      int i;
      int paren = 0;
      tag = (enum spu_insns)(index - spu_opcodes);
      printf("%s", index->mnemonic);
      if (tag == M_BI || tag == M_BISL || tag == M_IRET || tag == M_BISLED
	  || tag == M_BIHNZ || tag == M_BIHZ || tag == M_BINZ || tag == M_BIZ
          || tag == M_SYNC || tag == M_HBR)
	{
	  int fb = (insn >> (32-18)) & 0x7f;
	  if (fb & 0x40)
	    printf(tag == M_SYNC ? "c" : "p");
	  if (fb & 0x20)
	    printf("d");
	  if (fb & 0x10)
	    printf("e");
	}
      if (index->arg[0] != 0)
	printf("\t");
      hex_value = 0;
      for (i = 1;  i <= index->arg[0]; i++)
	{
	  int arg = index->arg[i];
	  if (arg != A_P && !paren && i > 1)
	    printf(",");

	  switch (arg)
	    {
	    case A_T:
	      printf("$%lu",
				     DECODE_INSN_RT (insn));
	      break;
	    case A_A:
	      printf("$%lu",
				     DECODE_INSN_RA (insn));
	      break;
	    case A_B:
	      printf("$%lu",
				     DECODE_INSN_RB (insn));
	      break;
	    case A_C:
	      printf("$%lu",
				     DECODE_INSN_RC (insn));
	      break;
	    case A_S:
	      printf("$sp%lu",
				     DECODE_INSN_RA (insn));
	      break;
	    case A_H:
	      printf("$ch%lu",
				     DECODE_INSN_RA (insn));
	      break;
	    case A_P:
	      paren++;
	      printf("(");
	      break;
	    case A_U7A:
	      printf("%lu",
				     173 - DECODE_INSN_U8 (insn));
	      break;
	    case A_U7B:
	      printf("%lu",
				     155 - DECODE_INSN_U8 (insn));
	      break;
	    case A_S3:
	    case A_S6:
	    case A_S7:
	    case A_S7N:
	    case A_U3:
	    case A_U5:
	    case A_U6:
	    case A_U7:
	      hex_value = DECODE_INSN_I7 (insn);
	      printf("%d", hex_value);
	      break;
	    case A_S11:
	      print_address(memaddr + DECODE_INSN_I9a (insn) * 4);
	      break;
	    case A_S11I:
	      print_address(memaddr + DECODE_INSN_I9b (insn) * 4);
	      break;
	    case A_S10:
	    case A_S10B:
	      hex_value = DECODE_INSN_I10 (insn);
	      printf("%d", hex_value);
	      break;
	    case A_S14:
	      hex_value = DECODE_INSN_I10 (insn) * 16;
	      printf("%d", hex_value);
	      break;
	    case A_S16:
	      hex_value = DECODE_INSN_I16 (insn);
	      printf("%d", hex_value);
	      break;
	    case A_X16:
	      hex_value = DECODE_INSN_U16 (insn);
	      printf("%u", hex_value);
	      break;
	    case A_R18:
	      value = DECODE_INSN_I16 (insn) * 4;
	      if (value == 0)
		printf("%d", value);
	      else
		{
		  hex_value = memaddr + value;
		  print_address(hex_value & 0x3ffff);
		}
	      break;
	    case A_S18:
	      value = DECODE_INSN_U16 (insn) * 4;
	      if (value == 0)
		printf("%d", value);
	      else
		print_address(value);
	      break;
	    case A_U18:
	      value = DECODE_INSN_U18 (insn);
	      if (value == 0 || 1)
		{
		  hex_value = value;
		  printf("%u", value);
		}
	      else
		print_address(value);
	      break;
	    case A_U14:
	      hex_value = DECODE_INSN_U14 (insn);
	      printf("%u", hex_value);
	      break;
	    }
	  if (arg != A_P && paren)
	    {
	      printf(")");
	      paren--;
	    }
	}
      if (hex_value > 16)
	printf("\t# %x", hex_value);
    }