tc-ia64.c

基于4个mips核的noc设计

    as_bad ("qualifying predicate not followed by instruction");
}

void
ia64_do_align (nbytes)
     int nbytes;
{
  char *saved_input_line_pointer = input_line_pointer;

  input_line_pointer = "";
  s_align_bytes (nbytes);
  input_line_pointer = saved_input_line_pointer;
}

void
ia64_cons_align (nbytes)
     int nbytes;
{
  if (md.auto_align)
    {
      char *saved_input_line_pointer = input_line_pointer;
      input_line_pointer = "";
      s_align_bytes (nbytes);
      input_line_pointer = saved_input_line_pointer;
    }
}

/* Output COUNT bytes to a memory location.  */
static unsigned char *vbyte_mem_ptr = NULL;

void
output_vbyte_mem (count, ptr, comment)
     int count;
     char *ptr;
     char *comment ATTRIBUTE_UNUSED;
{
  int x;
  if (vbyte_mem_ptr == NULL)
    abort ();

  if (count == 0)
    return;
  for (x = 0; x < count; x++)
    *(vbyte_mem_ptr++) = ptr[x];
}

/* Count the number of bytes required for records.  */
static int vbyte_count = 0;
void
count_output (count, ptr, comment)
     int count;
     char *ptr ATTRIBUTE_UNUSED;
     char *comment ATTRIBUTE_UNUSED;
{
  vbyte_count += count;
}

static void
output_R1_format (f, rtype, rlen)
     vbyte_func f;
     unw_record_type rtype;
     int rlen;
{
  int r = 0;
  char byte;
  if (rlen > 0x1f)
    {
      output_R3_format (f, rtype, rlen);
      return;
    }

  if (rtype == body)
    r = 1;
  else if (rtype != prologue)
    as_bad ("record type is not valid");

  byte = UNW_R1 | (r << 5) | (rlen & 0x1f);
  (*f) (1, &byte, NULL);
}

static void
output_R2_format (f, mask, grsave, rlen)
     vbyte_func f;
     int mask, grsave;
     unsigned long rlen;
{
  char bytes[20];
  int count = 2;
  mask = (mask & 0x0f);
  grsave = (grsave & 0x7f);

  bytes[0] = (UNW_R2 | (mask >> 1));
  bytes[1] = (((mask & 0x01) << 7) | grsave);
  count += output_leb128 (bytes + 2, rlen, 0);
  (*f) (count, bytes, NULL);
}

static void
output_R3_format (f, rtype, rlen)
     vbyte_func f;
     unw_record_type rtype;
     unsigned long rlen;
{
  int r = 0, count;
  char bytes[20];
  if (rlen <= 0x1f)
    {
      output_R1_format (f, rtype, rlen);
      return;
    }

  if (rtype == body)
    r = 1;
  else if (rtype != prologue)
    as_bad ("record type is not valid");
  bytes[0] = (UNW_R3 | r);
  count = output_leb128 (bytes + 1, rlen, 0);
  (*f) (count + 1, bytes, NULL);
}

static void
output_P1_format (f, brmask)
     vbyte_func f;
     int brmask;
{
  char byte;
  byte = UNW_P1 | (brmask & 0x1f);
  (*f) (1, &byte, NULL);
}

static void
output_P2_format (f, brmask, gr)
     vbyte_func f;
     int brmask;
     int gr;
{
  char bytes[2];
  brmask = (brmask & 0x1f);
  bytes[0] = UNW_P2 | (brmask >> 1);
  bytes[1] = (((brmask & 1) << 7) | gr);
  (*f) (2, bytes, NULL);
}

static void
output_P3_format (f, rtype, reg)
     vbyte_func f;
     unw_record_type rtype;
     int reg;
{
  char bytes[2];
  int r = 0;
  reg = (reg & 0x7f);
  switch (rtype)
    {
    case psp_gr:
      r = 0;
      break;
    case rp_gr:
      r = 1;
      break;
    case pfs_gr:
      r = 2;
      break;
    case preds_gr:
      r = 3;
      break;
    case unat_gr:
      r = 4;
      break;
    case lc_gr:
      r = 5;
      break;
    case rp_br:
      r = 6;
      break;
    case rnat_gr:
      r = 7;
      break;
    case bsp_gr:
      r = 8;
      break;
    case bspstore_gr:
      r = 9;
      break;
    case fpsr_gr:
      r = 10;
      break;
    case priunat_gr:
      r = 11;
      break;
    default:
      as_bad ("Invalid record type for P3 format.");
    }
  bytes[0] = (UNW_P3 | (r >> 1));
  bytes[1] = (((r & 1) << 7) | reg);
  (*f) (2, bytes, NULL);
}

static void
output_P4_format (f, imask, imask_size)
     vbyte_func f;
     unsigned char *imask;
     unsigned long imask_size;
{
  imask[0] = UNW_P4;
  (*f) (imask_size, imask, NULL);
}

static void
output_P5_format (f, grmask, frmask)
     vbyte_func f;
     int grmask;
     unsigned long frmask;
{
  char bytes[4];
  grmask = (grmask & 0x0f);

  bytes[0] = UNW_P5;
  bytes[1] = ((grmask << 4) | ((frmask & 0x000f0000) >> 16));
  bytes[2] = ((frmask & 0x0000ff00) >> 8);
  bytes[3] = (frmask & 0x000000ff);
  (*f) (4, bytes, NULL);
}

static void
output_P6_format (f, rtype, rmask)
     vbyte_func f;
     unw_record_type rtype;
     int rmask;
{
  char byte;
  int r = 0;

  if (rtype == gr_mem)
    r = 1;
  else if (rtype != fr_mem)
    as_bad ("Invalid record type for format P6");
  byte = (UNW_P6 | (r << 4) | (rmask & 0x0f));
  (*f) (1, &byte, NULL);
}

static void
output_P7_format (f, rtype, w1, w2)
     vbyte_func f;
     unw_record_type rtype;
     unsigned long w1;
     unsigned long w2;
{
  char bytes[20];
  int count = 1;
  int r = 0;
  count += output_leb128 (bytes + 1, w1, 0);
  switch (rtype)
    {
    case mem_stack_f:
      r = 0;
      count += output_leb128 (bytes + count, w2 >> 4, 0);
      break;
    case mem_stack_v:
      r = 1;
      break;
    case spill_base:
      r = 2;
      break;
    case psp_sprel:
      r = 3;
      break;
    case rp_when:
      r = 4;
      break;
    case rp_psprel:
      r = 5;
      break;
    case pfs_when:
      r = 6;
      break;
    case pfs_psprel:
      r = 7;
      break;
    case preds_when:
      r = 8;
      break;
    case preds_psprel:
      r = 9;
      break;
    case lc_when:
      r = 10;
      break;
    case lc_psprel:
      r = 11;
      break;
    case unat_when:
      r = 12;
      break;
    case unat_psprel:
      r = 13;
      break;
    case fpsr_when:
      r = 14;
      break;
    case fpsr_psprel:
      r = 15;
      break;
    default:
      break;
    }
  bytes[0] = (UNW_P7 | r);
  (*f) (count, bytes, NULL);
}

static void
output_P8_format (f, rtype, t)
     vbyte_func f;
     unw_record_type rtype;
     unsigned long t;
{
  char bytes[20];
  int r = 0;
  int count = 2;
  bytes[0] = UNW_P8;
  switch (rtype)
    {
    case rp_sprel:
      r = 1;
      break;
    case pfs_sprel:
      r = 2;
      break;
    case preds_sprel:
      r = 3;
      break;
    case lc_sprel:
      r = 4;
      break;
    case unat_sprel:
      r = 5;
      break;
    case fpsr_sprel:
      r = 6;
      break;
    case bsp_when:
      r = 7;
      break;
    case bsp_psprel:
      r = 8;
      break;
    case bsp_sprel:
      r = 9;
      break;
    case bspstore_when:
      r = 10;
      break;
    case bspstore_psprel:
      r = 11;
      break;
    case bspstore_sprel:
      r = 12;
      break;
    case rnat_when:
      r = 13;
      break;
    case rnat_psprel:
      r = 14;
      break;
    case rnat_sprel:
      r = 15;
      break;
    case priunat_when_gr:
      r = 16;
      break;
    case priunat_psprel:
      r = 17;
      break;
    case priunat_sprel:
      r = 18;
      break;
    case priunat_when_mem:
      r = 19;
      break;
    default:
      break;
    }
  bytes[1] = r;
  count += output_leb128 (bytes + 2, t, 0);
  (*f) (count, bytes, NULL);
}

static void
output_P9_format (f, grmask, gr)
     vbyte_func f;
     int grmask;
     int gr;
{
  char bytes[3];
  bytes[0] = UNW_P9;
  bytes[1] = (grmask & 0x0f);
  bytes[2] = (gr & 0x7f);
  (*f) (3, bytes, NULL);
}

static void
output_P10_format (f, abi, context)
     vbyte_func f;
     int abi;
     int context;
{
  char bytes[3];
  bytes[0] = UNW_P10;
  bytes[1] = (abi & 0xff);
  bytes[2] = (context & 0xff);
  (*f) (3, bytes, NULL);
}

static void
output_B1_format (f, rtype, label)
     vbyte_func f;
     unw_record_type rtype;
     unsigned long label;
{
  char byte;
  int r = 0;
  if (label > 0x1f)
    {
      output_B4_format (f, rtype, label);
      return;
    }
  if (rtype == copy_state)
    r = 1;
  else if (rtype != label_state)
    as_bad ("Invalid record type for format B1");

  byte = (UNW_B1 | (r << 5) | (label & 0x1f));
  (*f) (1, &byte, NULL);
}

static void
output_B2_format (f, ecount, t)
     vbyte_func f;
     unsigned long ecount;
     unsigned long t;
{
  char bytes[20];
  int count = 1;
  if (ecount > 0x1f)
    {
      output_B3_format (f, ecount, t);
      return;
    }
  bytes[0] = (UNW_B2 | (ecount & 0x1f));
  count += output_leb128 (bytes + 1, t, 0);
  (*f) (count, bytes, NULL);
}

static void
output_B3_format (f, ecount, t)
     vbyte_func f;
     unsigned long ecount;
     unsigned long t;
{
  char bytes[20];
  int count = 1;
  if (ecount <= 0x1f)
    {
      output_B2_format (f, ecount, t);
      return;
    }
  bytes[0] = UNW_B3;
  count += output_leb128 (bytes + 1, t, 0);
  count += output_leb128 (bytes + count, ecount, 0);
  (*f) (count, bytes, NULL);
}

static void
output_B4_format (f, rtype, label)
     vbyte_func f;
     unw_record_type rtype;
     unsigned long label;
{
  char bytes[20];
  int r = 0;
  int count = 1;
  if (label <= 0x1f)
    {
      output_B1_format (f, rtype, label);
      return;
    }

  if (rtype == copy_state)
    r = 1;
  else if (rtype != label_state)
    as_bad ("Invalid record type for format B1");

  bytes[0] = (UNW_B4 | (r << 3));
  count += output_leb128 (bytes + 1, label, 0);
  (*f) (count, bytes, NULL);
}

static char
format_ab_reg (ab, reg)
     int ab;
     int reg;
{