19990502 sourceware importbinu_ss_19990502

1 files changed, 1633 insertions, 0 deletions

diff --git a/gas/config/tc-h8500.c b/gas/config/tc-h8500.c
new file mode 100644
index 0000000..9dec3e2
--- /dev/null
+++ b/gas/config/tc-h8500.c
@@ -0,0 +1,1633 @@
+/* tc-h8500.c -- Assemble code for the Hitachi H8/500
+   Copyright (C) 1993, 94, 95, 1998 Free Software Foundation.
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   GAS is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+   02111-1307, USA.  */
+
+/*
+  Written By Steve Chamberlain
+  sac@cygnus.com
+  */
+
+#include <stdio.h>
+#include "as.h"
+#include "bfd.h"
+#include "subsegs.h"
+#define DEFINE_TABLE
+#define ASSEMBLER_TABLE
+#include "opcodes/h8500-opc.h"
+#include <ctype.h>
+
+const char comment_chars[] = "!";
+const char line_separator_chars[] = ";";
+const char line_comment_chars[] = "!#";
+
+/* This table describes all the machine specific pseudo-ops the assembler
+   has to support.  The fields are:
+   pseudo-op name without dot
+   function to call to execute this pseudo-op
+   Integer arg to pass to the function
+   */
+
+void cons ();
+
+const pseudo_typeS md_pseudo_table[] =
+{
+  {"int", cons, 2},
+  {"data.b", cons, 1},
+  {"data.w", cons, 2},
+  {"data.l", cons, 4},
+  {"form", listing_psize, 0},
+  {"heading", listing_title, 0},
+  {"import", s_ignore, 0},
+  {"page", listing_eject, 0},
+  {"program", s_ignore, 0},
+  {0, 0, 0}
+};
+
+const int md_reloc_size;
+
+const char EXP_CHARS[] = "eE";
+
+/* Chars that mean this number is a floating point constant */
+/* As in 0f12.456 */
+/* or    0d1.2345e12 */
+const char FLT_CHARS[] = "rRsSfFdDxXpP";
+
+#define C(a,b) ENCODE_RELAX(a,b)
+#define ENCODE_RELAX(what,length) (((what) << 2) + (length))
+
+#define GET_WHAT(x) ((x>>2))
+
+#define BYTE_DISP 1
+#define WORD_DISP 2
+#define UNDEF_BYTE_DISP 0
+#define UNDEF_WORD_DISP 3
+
+#define BRANCH  1
+#define SCB_F   2
+#define SCB_TST 3
+#define END 4
+
+#define BYTE_F 127
+#define BYTE_B -126
+#define WORD_F 32767
+#define WORD_B 32768
+
+relax_typeS md_relax_table[C (END, 0)];
+
+static struct hash_control *opcode_hash_control;	/* Opcode mnemonics */
+
+/*
+  This function is called once, at assembler startup time.  This should
+  set up all the tables, etc that the MD part of the assembler needs
+  */
+
+void
+md_begin ()
+{
+  h8500_opcode_info *opcode;
+  char prev_buffer[100];
+  int idx = 0;
+  register relax_typeS *table;
+
+  opcode_hash_control = hash_new ();
+  prev_buffer[0] = 0;
+
+  /* Insert unique names into hash table */
+  for (opcode = h8500_table; opcode->name; opcode++)
+    {
+      if (idx != opcode->idx)
+	{
+	  hash_insert (opcode_hash_control, opcode->name, (char *) opcode);
+	  idx++;
+	}
+    }
+
+  /* Initialize the relax table.  We use a local variable to avoid
+     warnings about modifying a supposedly const data structure.  */
+  table = (relax_typeS *) md_relax_table;
+  table[C (BRANCH, BYTE_DISP)].rlx_forward = BYTE_F;
+  table[C (BRANCH, BYTE_DISP)].rlx_backward = BYTE_B;
+  table[C (BRANCH, BYTE_DISP)].rlx_length = 2;
+  table[C (BRANCH, BYTE_DISP)].rlx_more = C (BRANCH, WORD_DISP);
+
+  table[C (BRANCH, WORD_DISP)].rlx_forward = WORD_F;
+  table[C (BRANCH, WORD_DISP)].rlx_backward = WORD_B;
+  table[C (BRANCH, WORD_DISP)].rlx_length = 3;
+  table[C (BRANCH, WORD_DISP)].rlx_more = 0;
+
+  table[C (SCB_F, BYTE_DISP)].rlx_forward = BYTE_F;
+  table[C (SCB_F, BYTE_DISP)].rlx_backward = BYTE_B;
+  table[C (SCB_F, BYTE_DISP)].rlx_length = 3;
+  table[C (SCB_F, BYTE_DISP)].rlx_more = C (SCB_F, WORD_DISP);
+
+  table[C (SCB_F, WORD_DISP)].rlx_forward = WORD_F;
+  table[C (SCB_F, WORD_DISP)].rlx_backward = WORD_B;
+  table[C (SCB_F, WORD_DISP)].rlx_length = 8;
+  table[C (SCB_F, WORD_DISP)].rlx_more = 0;
+
+  table[C (SCB_TST, BYTE_DISP)].rlx_forward = BYTE_F;
+  table[C (SCB_TST, BYTE_DISP)].rlx_backward = BYTE_B;
+  table[C (SCB_TST, BYTE_DISP)].rlx_length = 3;
+  table[C (SCB_TST, BYTE_DISP)].rlx_more = C (SCB_TST, WORD_DISP);
+
+  table[C (SCB_TST, WORD_DISP)].rlx_forward = WORD_F;
+  table[C (SCB_TST, WORD_DISP)].rlx_backward = WORD_B;
+  table[C (SCB_TST, WORD_DISP)].rlx_length = 10;
+  table[C (SCB_TST, WORD_DISP)].rlx_more = 0;
+
+}
+
+static int rn;			/* register number used by RN */
+static int rs;			/* register number used by RS */
+static int rd;			/* register number used by RD */
+static int crb;			/* byte size cr */
+static int crw;			/* word sized cr */
+static int cr;			/* unknown size cr */
+
+static expressionS displacement;/* displacement expression */
+static int displacement_size;	/* and size if given */
+
+static int immediate_inpage;
+static expressionS immediate;	/* immediate expression */
+static int immediate_size;	/* and size if given */
+
+static expressionS absolute;	/* absolute expression */
+static int absolute_size;	/* and size if given */
+
+typedef struct
+{
+  int type;
+  int reg;
+  expressionS exp;
+  int page;
+}
+
+h8500_operand_info;
+
+/* try and parse a reg name, returns number of chars consumed */
+static int
+parse_reg (src, mode, reg)
+     char *src;
+     int *mode;
+     int *reg;
+{
+  char *end;
+  int len;
+
+  /* Cribbed from get_symbol_end().  */
+  if (!is_name_beginner (*src) || *src == '\001')
+    return 0;
+  end = src+1;
+  while (is_part_of_name (*end) || *end == '\001')
+    end++;
+  len = end - src;
+
+  if (len == 2 && src[0] == 'r')
+    {
+      if (src[1] >= '0' && src[1] <= '7')
+	{
+	  *mode = RN;
+	  *reg = (src[1] - '0');
+	  return len;
+	}
+    }
+  if (len == 2 && src[0] == 's' && src[1] == 'p')
+    {
+      *mode = RN;
+      *reg = 7;
+      return len;
+    }
+  if (len == 3 && src[0] == 'c' && src[1] == 'c' && src[2] == 'r')
+    {
+      *mode = CRB;
+      *reg = 1;
+      return len;
+    }
+  if (len == 2 && src[0] == 's' && src[1] == 'r')
+    {
+      *mode = CRW;
+      *reg = 0;
+      return len;
+    }
+  if (len == 2 && src[0] == 'b' && src[1] == 'r')
+    {
+      *mode = CRB;
+      *reg = 3;
+      return len;
+    }
+  if (len == 2 && src[0] == 'e' && src[1] == 'p')
+    {
+      *mode = CRB;
+      *reg = 4;
+      return len;
+    }
+  if (len == 2 && src[0] == 'd' && src[1] == 'p')
+    {
+      *mode = CRB;
+      *reg = 5;
+      return len;
+    }
+  if (len == 2 && src[0] == 't' && src[1] == 'p')
+    {
+      *mode = CRB;
+      *reg = 7;
+      return len;
+    }
+  if (len == 2 && src[0] == 'f' && src[1] == 'p')
+    {
+      *mode = RN;
+      *reg = 6;
+      return len;
+    }
+  return 0;
+}
+
+static
+char *
+parse_exp (s, op, page)
+     char *s;
+     expressionS *op;
+     int *page;
+{
+  char *save;
+  char *new;
+
+  save = input_line_pointer;
+
+  *page = 0;
+  if (s[0] == '%')
+    {
+      if (s[1] == 'p' && s[2] == 'a' && s[3] == 'g' && s[4] == 'e')
+	{
+	  s += 5;
+	  *page = 'p';
+	}
+      if (s[1] == 'h' && s[2] == 'i' && s[3] == '1' && s[4] == '6')
+	{
+	  s += 5;
+	  *page = 'h';
+	}
+      else if (s[1] == 'o' && s[2] == 'f' && s[3] == 'f')
+	{
+	  s += 4;
+	  *page = 'o';
+	}
+    }
+
+  input_line_pointer = s;
+
+  expression (op);
+  if (op->X_op == O_absent)
+    as_bad (_("missing operand"));
+  new = input_line_pointer;
+  input_line_pointer = save;
+  return new;
+}
+
+typedef enum
+  {
+    exp_signed, exp_unsigned, exp_sandu
+  } sign_type;
+
+
+static char *
+skip_colonthing (sign, ptr, exp, def, size8, size16, size24)
+     sign_type sign;
+     char *ptr;
+     h8500_operand_info *exp;
+     int def;
+     int size8;
+     int size16;
+     int size24;
+{
+  ptr = parse_exp (ptr, &exp->exp, &exp->page);
+  if (*ptr == ':')
+    {
+      ptr++;
+      if (*ptr == '8')
+	{
+	  ptr++;
+	  exp->type = size8;
+	}
+      else if (ptr[0] == '1' & ptr[1] == '6')
+	{
+	  ptr += 2;
+	  exp->type = size16;
+	}
+      else if (ptr[0] == '2' & ptr[1] == '4')
+	{
+	  if (!size24)
+	    {
+	      as_bad (_(":24 not valid for this opcode"));
+	    }
+	  ptr += 2;
+	  exp->type = size24;
+	}
+      else
+	{
+	  as_bad (_("expect :8,:16 or :24"));
+	  exp->type = size16;
+	}
+    }
+  else
+    {
+      if (exp->page == 'p')
+	{
+	  exp->type = IMM8;
+	}
+      else if (exp->page == 'h')
+	{
+	  exp->type = IMM16;
+	}
+      else
+	{
+	  /* Let's work out the size from the context */
+	  int n = exp->exp.X_add_number;
+	  if (size8
+	      && exp->exp.X_op == O_constant
+	      && ((sign == exp_signed && (n >= -128 && n <= 127))
+		  || (sign == exp_unsigned && (n >= 0 && (n <= 255)))
+		  || (sign == exp_sandu && (n >= -128 && (n <= 255)))))
+	    {
+	      exp->type = size8;
+	    }
+	  else
+	    {
+	      exp->type = def;
+	    }
+	}
+    }
+  return ptr;
+}
+
+static int
+parse_reglist (src, op)
+     char *src;
+     h8500_operand_info *op;
+{
+  int mode;
+  int rn;
+  int mask = 0;
+  int rm;
+  int idx = 1;			/* skip ( */
+
+  while (src[idx] && src[idx] != ')')
+    {
+      int done = parse_reg (src + idx, &mode, &rn);
+
+      if (done)
+	{
+	  idx += done;
+	  mask |= 1 << rn;
+	}
+      else
+	{
+	  as_bad (_("syntax error in reg list"));
+	  return 0;
+	}
+      if (src[idx] == '-')
+	{
+	  idx++;
+	  done = parse_reg (src + idx, &mode, &rm);
+	  if (done)
+	    {
+	      idx += done;
+	      while (rn <= rm)
+		{
+		  mask |= 1 << rn;
+		  rn++;
+		}
+	    }
+	  else
+	    {
+	      as_bad (_("missing final register in range"));
+	    }
+	}
+      if (src[idx] == ',')
+	idx++;
+    }
+  idx++;
+  op->exp.X_add_symbol = 0;
+  op->exp.X_op_symbol = 0;
+  op->exp.X_add_number = mask;
+  op->exp.X_op = O_constant;
+  op->exp.X_unsigned = 1;
+  op->type = IMM8;
+  return idx;
+
+}
+
+/* The many forms of operand:
+
+   Rn			Register direct
+   @Rn			Register indirect
+   @(disp[:size], Rn)	Register indirect with displacement
+   @Rn+
+   @-Rn
+   @aa[:size]		absolute
+   #xx[:size]		immediate data
+
+   */
+
+static void
+get_operand (ptr, op, ispage)
+     char **ptr;
+     h8500_operand_info *op;
+     char ispage;
+{
+  char *src = *ptr;
+  int mode;
+  unsigned int num;
+  unsigned int len;
+  op->page = 0;
+  if (src[0] == '(' && src[1] == 'r')
+    {
+      /* This is a register list */
+      *ptr = src + parse_reglist (src, op);
+      return;
+    }
+
+  len = parse_reg (src, &op->type, &op->reg);
+
+  if (len)
+    {
+      *ptr = src + len;
+      return;
+    }
+
+  if (*src == '@')
+    {
+      src++;
+      if (*src == '-')
+	{
+	  src++;
+	  len = parse_reg (src, &mode, &num);
+	  if (len == 0)
+	    {
+	      /* Oops, not a reg after all, must be ordinary exp */
+	      src--;
+	      /* must be a symbol */
+	      *ptr = skip_colonthing (exp_unsigned, src,
+				      op, ABS16, ABS8, ABS16, ABS24);
+	      return;
+	    }
+
+	  op->type = RNDEC;
+	  op->reg = num;
+	  *ptr = src + len;
+	  return;
+	}
+      if (*src == '(')
+	{
+	  /* Disp */
+	  src++;
+
+	  src = skip_colonthing (exp_signed, src, 
+				 op, RNIND_D16, RNIND_D8, RNIND_D16, 0);
+
+	  if (*src != ',')
+	    {
+	      as_bad (_("expected @(exp, Rn)"));
+	      return;
+	    }
+	  src++;
+	  len = parse_reg (src, &mode, &op->reg);
+	  if (len == 0 || mode != RN)
+	    {
+	      as_bad (_("expected @(exp, Rn)"));
+	      return;
+	    }
+	  src += len;
+	  if (*src != ')')
+	    {
+	      as_bad (_("expected @(exp, Rn)"));
+	      return;
+	    }
+	  *ptr = src + 1;
+	  return;
+	}
+      len = parse_reg (src, &mode, &num);
+
+      if (len)
+	{
+	  src += len;
+	  if (*src == '+')
+	    {
+	      src++;
+	      if (mode != RN)
+		{
+		  as_bad (_("@Rn+ needs word register"));
+		  return;
+		}
+	      op->type = RNINC;
+	      op->reg = num;
+	      *ptr = src;
+	      return;
+	    }
+	  if (mode != RN)
+	    {
+	      as_bad (_("@Rn needs word register"));
+	      return;
+	    }
+	  op->type = RNIND;
+	  op->reg = num;
+	  *ptr = src;
+	  return;
+	}
+      else
+	{
+	  /* must be a symbol */
+	  *ptr =
+	    skip_colonthing (exp_unsigned, src, op,
+			     ispage ? ABS24 : ABS16, ABS8, ABS16, ABS24);
+	  return;
+	}
+    }
+
+  if (*src == '#')
+    {
+      src++;
+      *ptr = skip_colonthing (exp_sandu, src, op, IMM16, IMM8, IMM16, ABS24);
+      return;
+    }
+  else
+    {
+      *ptr = skip_colonthing (exp_signed, src, op,
+			      ispage ? ABS24 : PCREL8, PCREL8, PCREL16, ABS24);
+    }
+}
+
+static
+char *
+get_operands (info, args, operand)
+     h8500_opcode_info *info;
+     char *args;
+     h8500_operand_info *operand;
+
+{
+  char *ptr = args;
+
+  switch (info->nargs)
+    {
+    case 0:
+      operand[0].type = 0;
+      operand[1].type = 0;
+      break;
+
+    case 1:
+      ptr++;
+      get_operand (&ptr, operand + 0, info->name[0] == 'p');
+      operand[1].type = 0;
+      break;
+
+    case 2:
+      ptr++;
+      get_operand (&ptr, operand + 0, 0);
+      if (*ptr == ',')
+	ptr++;
+      get_operand (&ptr, operand + 1, 0);
+      break;
+
+    default:
+      abort ();
+    }
+
+  return ptr;
+}
+
+/* Passed a pointer to a list of opcodes which use different
+   addressing modes, return the opcode which matches the opcodes
+   provided
+   */
+
+int pcrel8;			/* Set when we've seen a pcrel operand */
+
+static
+h8500_opcode_info *
+get_specific (opcode, operands)
+     h8500_opcode_info *opcode;
+     h8500_operand_info *operands;
+{
+  h8500_opcode_info *this_try = opcode;
+  int found = 0;
+  unsigned int noperands = opcode->nargs;
+
+  unsigned int this_index = opcode->idx;
+
+  while (this_index == opcode->idx && !found)
+    {
+      unsigned int i;
+
+      this_try = opcode++;
+
+      /* look at both operands needed by the opcodes and provided by
+       the user*/
+      for (i = 0; i < noperands; i++)
+	{
+	  h8500_operand_info *user = operands + i;
+
+	  switch (this_try->arg_type[i])
+	    {
+	    case FPIND_D8:
+	      /* Opcode needs (disp:8,fp) */
+	      if (user->type == RNIND_D8 && user->reg == 6)
+		{
+		  displacement = user->exp;
+		  continue;
+		}
+	      break;
+	    case RDIND_D16:
+	      if (user->type == RNIND_D16)
+		{
+		  displacement = user->exp;
+		  rd = user->reg;
+		  continue;
+		}
+	      break;
+	    case RDIND_D8:
+	      if (user->type == RNIND_D8)
+		{
+		  displacement = user->exp;
+		  rd = user->reg;
+		  continue;
+		}
+	      break;
+	    case RNIND_D16:
+	    case RNIND_D8:
+	      if (user->type == this_try->arg_type[i])
+		{
+		  displacement = user->exp;
+		  rn = user->reg;
+		  continue;
+		}
+	      break;
+
+	    case SPDEC:
+	      if (user->type == RNDEC && user->reg == 7)
+		{
+		  continue;
+		}
+	      break;
+	    case SPINC:
+	      if (user->type == RNINC && user->reg == 7)
+		{
+		  continue;
+		}
+	      break;
+	    case ABS16:
+	      if (user->type == ABS16)
+		{
+		  absolute = user->exp;
+		  continue;
+		}
+	      break;
+	    case ABS8:
+	      if (user->type == ABS8)
+		{
+		  absolute = user->exp;
+		  continue;
+		}
+	      break;
+	    case ABS24:
+	      if (user->type == ABS24)
+		{
+		  absolute = user->exp;
+		  continue;
+		}
+	      break;
+
+	    case CRB:
+	      if ((user->type == CRB || user->type == CR) && user->reg != 0)
+		{
+		  crb = user->reg;
+		  continue;
+		}
+	      break;
+	    case CRW:
+	      if ((user->type == CRW || user->type == CR) && user->reg == 0)
+		{
+		  crw = user->reg;
+		  continue;
+		}
+	      break;
+	    case DISP16:
+	      if (user->type == DISP16)
+		{
+		  displacement = user->exp;
+		  continue;
+		}
+	      break;
+	    case DISP8:
+	      if (user->type == DISP8)
+		{
+		  displacement = user->exp;
+		  continue;
+		}
+	      break;
+	    case FP:
+	      if (user->type == RN && user->reg == 6)
+		{
+		  continue;
+		}
+	      break;
+	    case PCREL16:
+	      if (user->type == PCREL16)
+		{
+		  displacement = user->exp;
+		  continue;
+		}
+	      break;
+	    case PCREL8:
+	      if (user->type == PCREL8)
+		{
+		  displacement = user->exp;
+		  pcrel8 = 1;
+		  continue;
+		}
+	      break;
+
+	    case IMM16:
+	      if (user->type == IMM16
+		  || user->type == IMM8)
+		{
+		  immediate_inpage = user->page;
+		  immediate = user->exp;
+		  continue;
+		}
+	      break;
+	    case RLIST:
+	    case IMM8:
+	      if (user->type == IMM8)
+		{
+		  immediate_inpage = user->page;
+		  immediate = user->exp;
+		  continue;
+		}
+	      break;
+	    case IMM4:
+	      if (user->type == IMM8)
+		{
+		  immediate_inpage = user->page;
+		  immediate = user->exp;
+		  continue;
+		}
+	      break;
+	    case QIM:
+	      if (user->type == IMM8
+		  && user->exp.X_op == O_constant
+		  &&
+		  (user->exp.X_add_number == -2
+		   || user->exp.X_add_number == -1
+		   || user->exp.X_add_number == 1
+		   || user->exp.X_add_number == 2))
+		{
+		  immediate_inpage = user->page;
+		  immediate = user->exp;
+		  continue;
+		}
+	      break;
+	    case RD:
+	      if (user->type == RN)
+		{
+		  rd = user->reg;
+		  continue;
+		}
+	      break;
+	    case RS:
+	      if (user->type == RN)
+		{
+		  rs = user->reg;
+		  continue;
+		}
+	      break;
+	    case RDIND:
+	      if (user->type == RNIND)
+		{
+		  rd = user->reg;
+		  continue;
+
+		}
+	      break;
+	    case RNINC:
+	    case RNIND:
+	    case RNDEC:
+	    case RN:
+
+	      if (user->type == this_try->arg_type[i])
+		{
+		  rn = user->reg;
+		  continue;
+		}
+	      break;
+	    case SP:
+	      if (user->type == RN && user->reg == 7)
+		{
+		  continue;
+		}
+	      break;
+	    default:
+	      printf (_("unhandled %d\n"), this_try->arg_type[i]);
+	      break;
+	    }
+
+	  /* If we get here this didn't work out */
+	  goto fail;
+	}
+      found = 1;
+    fail:;
+
+    }
+
+  if (found)
+    return this_try;
+  else
+    return 0;
+}
+
+int
+check (operand, low, high)
+     expressionS *operand;
+     int low;
+     int high;
+{
+  if (operand->X_op != O_constant
+      || operand->X_add_number < low
+      || operand->X_add_number > high)
+    {
+      as_bad (_("operand must be absolute in range %d..%d"), low, high);
+    }
+  return operand->X_add_number;
+}
+
+static
+void
+insert (output, index, exp, reloc, pcrel)
+     char *output;
+     int index;
+     expressionS *exp;
+     int reloc;
+     int pcrel;
+{
+  fix_new_exp (frag_now,
+	       output - frag_now->fr_literal + index,
+	       4,	       	/* always say size is 4, but we know better */
+	       exp,
+	       pcrel,
+	       reloc);
+}
+
+void
+build_relaxable_instruction (opcode, operand)
+     h8500_opcode_info *opcode;
+     h8500_operand_info *operand;
+{
+  /* All relaxable instructions start life as two bytes but can become
+     three bytes long if a lonely branch and up to 9 bytes if long scb
+     */
+  char *p;
+  int len;
+  int type;
+
+  if (opcode->bytes[0].contents == 0x01)
+    {
+      type = SCB_F;
+    }
+  else if (opcode->bytes[0].contents == 0x06
+	   || opcode->bytes[0].contents == 0x07)
+    {
+      type = SCB_TST;
+    }
+  else
+    {
+      type = BRANCH;
+    }
+
+  p = frag_var (rs_machine_dependent,
+		md_relax_table[C (type, WORD_DISP)].rlx_length,
+		len = md_relax_table[C (type, BYTE_DISP)].rlx_length,
+		C (type, UNDEF_BYTE_DISP),
+		displacement.X_add_symbol,
+		displacement.X_add_number,
+		0);
+
+  p[0] = opcode->bytes[0].contents;
+  if (type != BRANCH)
+    {
+      p[1] = opcode->bytes[1].contents | rs;
+    }
+}
+
+/* Now we know what sort of opcodes it is, lets build the bytes -
+ */
+static void
+build_bytes (opcode, operand)
+     h8500_opcode_info *opcode;
+     h8500_operand_info *operand;
+
+{
+  int index;
+
+  if (pcrel8)
+    {
+      pcrel8 = 0;
+      build_relaxable_instruction (opcode, operand);
+    }
+  else
+    {
+      char *output = frag_more (opcode->length);
+
+      memset (output, 0, opcode->length);
+      for (index = 0; index < opcode->length; index++)
+	{
+	  output[index] = opcode->bytes[index].contents;
+
+	  switch (opcode->bytes[index].insert)
+	    {
+	    default:
+	      printf (_("failed for %d\n"), opcode->bytes[index].insert);
+	      break;
+	    case 0:
+	      break;
+	    case RN:
+	      output[index] |= rn;
+	      break;
+	    case RD:
+	    case RDIND:
+	      
+	      output[index] |= rd;
+	      break;
+	    case RS:
+	      output[index] |= rs;
+	      break;
+	    case DISP16:
+	      insert (output, index, &displacement, R_H8500_IMM16, 0);
+	      index++;
+	      break;
+	    case DISP8:
+	    case FPIND_D8:
+	      insert (output, index, &displacement, R_H8500_IMM8, 0);
+	      break;
+
+	    case IMM16:
+	      {
+		int p;
+		switch (immediate_inpage) {
+		case 'p':
+		  p = R_H8500_HIGH16;
+		  break;
+		case 'h':		
+		  p = R_H8500_HIGH16;
+		  break;
+		default:
+		  p = R_H8500_IMM16;
+		  break;
+		}
+		
+		insert (output, index, &immediate,p, 0);
+	      }
+		
+	      index++;
+	      break;
+	    case RLIST:
+	    case IMM8:
+	      if (immediate_inpage)
+		{
+		  insert (output, index, &immediate, R_H8500_HIGH8, 0);
+		}
+	      else
+		{
+		  insert (output, index, &immediate, R_H8500_IMM8, 0);
+		}
+	      break;
+	    case PCREL16:
+	      insert (output, index, &displacement, R_H8500_PCREL16, 1);
+	      index++;
+	      break;
+	    case PCREL8:
+	      insert (output, index, &displacement, R_H8500_PCREL8, 1);
+	      break;
+	    case IMM4:
+	      output[index] |= check (&immediate, 0, 15);
+	      break;
+	    case CR:
+
+	      output[index] |= cr;
+	      if (cr == 0)
+		{
+		  output[0] |= 0x8;
+		}
+	      else
+		{
+		  output[0] &= ~0x8;
+		}
+
+	      break;
+
+	    case CRB:
+	      output[index] |= crb;
+	      output[0] &= ~0x8;
+	      break;
+	    case CRW:
+	      output[index] |= crw;
+	      output[0] |= 0x8;
+	      break;
+	    case ABS24:
+	      insert (output, index, &absolute, R_H8500_IMM24, 0);
+	      index += 2;
+	      break;
+	    case ABS16:
+	      insert (output, index, &absolute, R_H8500_IMM16, 0);
+	      index++;
+	      break;
+	    case ABS8:
+	      insert (output, index, &absolute, R_H8500_IMM8, 0);
+	      break;
+	    case QIM:
+	      switch (immediate.X_add_number)
+		{
+		case -2:
+		  output[index] |= 0x5;
+		  break;
+		case -1:
+		  output[index] |= 0x4;
+		  break;
+		case 1:
+		  output[index] |= 0;
+		  break;
+		case 2:
+		  output[index] |= 1;
+		  break;
+		}
+	      break;
+	    }
+	}
+    }
+}
+
+/* This is the guts of the machine-dependent assembler.  STR points to a
+   machine dependent instruction.  This funciton is supposed to emit
+   the frags/bytes it assembles to.
+   */
+
+void
+DEFUN (md_assemble, (str),
+       char *str)
+{
+  char *op_start;
+  char *op_end;
+  h8500_operand_info operand[2];
+  h8500_opcode_info *opcode;
+  h8500_opcode_info *prev_opcode;
+  char name[11];
+
+  int nlen = 0;
+
+  /* Drop leading whitespace */
+  while (*str == ' ')
+    str++;
+
+  /* find the op code end */
+  for (op_start = op_end = str;
+       *op_end &&
+       !is_end_of_line[*op_end] && *op_end != ' ';
+       op_end++)
+    {
+      if (			/**op_end != '.'
+	  && *op_end != ':'
+	   	   	   	  && */ nlen < 10)
+	{
+	  name[nlen++] = *op_end;
+	}
+    }
+  name[nlen] = 0;
+
+  if (op_end == op_start)
+    {
+      as_bad (_("can't find opcode "));
+    }
+
+  opcode = (h8500_opcode_info *) hash_find (opcode_hash_control, name);
+
+  if (opcode == NULL)
+    {
+      as_bad (_("unknown opcode"));
+      return;
+    }
+
+  get_operands (opcode, op_end, operand);
+  prev_opcode = opcode;
+
+  opcode = get_specific (opcode, operand);
+
+  if (opcode == 0)
+    {
+      /* Couldn't find an opcode which matched the operands */
+      char *where = frag_more (2);
+
+      where[0] = 0x0;
+      where[1] = 0x0;
+      as_bad (_("invalid operands for opcode"));
+      return;
+    }
+
+  build_bytes (opcode, operand);
+
+}
+
+void
+DEFUN (tc_crawl_symbol_chain, (headers),
+       object_headers * headers)
+{
+  printf (_("call to tc_crawl_symbol_chain \n"));
+}
+
+symbolS *
+DEFUN (md_undefined_symbol, (name),
+       char *name)
+{
+  return 0;
+}
+
+void
+DEFUN (tc_headers_hook, (headers),
+       object_headers * headers)
+{
+  printf (_("call to tc_headers_hook \n"));
+}
+
+/* Various routines to kill one day */
+/* Equal to MAX_PRECISION in atof-ieee.c */
+#define MAX_LITTLENUMS 6
+
+/* Turn a string in input_line_pointer into a floating point constant of type
+   type, and store the appropriate bytes in *litP.  The number of LITTLENUMS
+   emitted is stored in *sizeP .  An error message is returned, or NULL on OK.
+   */
+char *
+md_atof (type, litP, sizeP)
+     char type;
+     char *litP;
+     int *sizeP;
+{
+  int prec;
+  LITTLENUM_TYPE words[MAX_LITTLENUMS];
+  LITTLENUM_TYPE *wordP;
+  char *t;
+  char *atof_ieee ();
+
+  switch (type)
+    {
+    case 'f':
+    case 'F':
+    case 's':
+    case 'S':
+      prec = 2;
+      break;
+
+    case 'd':
+    case 'D':
+    case 'r':
+    case 'R':
+      prec = 4;
+      break;
+
+    case 'x':
+    case 'X':
+      prec = 6;
+      break;
+
+    case 'p':
+    case 'P':
+      prec = 6;
+      break;
+
+    default:
+      *sizeP = 0;
+      return _("Bad call to MD_ATOF()");
+    }
+  t = atof_ieee (input_line_pointer, type, words);
+  if (t)
+    input_line_pointer = t;
+
+  *sizeP = prec * sizeof (LITTLENUM_TYPE);
+  for (wordP = words; prec--;)
+    {
+      md_number_to_chars (litP, (long) (*wordP++), sizeof (LITTLENUM_TYPE));
+      litP += sizeof (LITTLENUM_TYPE);
+    }
+  return 0;
+}
+
+CONST char *md_shortopts = "";
+struct option md_longopts[] = {
+  {NULL, no_argument, NULL, 0}
+};
+size_t md_longopts_size = sizeof(md_longopts);
+
+int
+md_parse_option (c, arg)
+     int c;
+     char *arg;
+{
+  return 0;
+}
+
+void
+md_show_usage (stream)
+     FILE *stream;
+{
+}
+
+void
+tc_aout_fix_to_chars ()
+{
+  printf (_("call to tc_aout_fix_to_chars \n"));
+  abort ();
+}
+
+static
+void
+wordify_scb (buffer, disp_size, inst_size)
+     char *buffer;
+     int *disp_size;
+     int *inst_size;
+{
+  int rn = buffer[1] & 0x7;
+
+  switch (buffer[0])
+    {
+    case 0x0e:			/* BSR */
+    case 0x20:
+    case 0x21:
+    case 0x22:
+    case 0x23:
+    case 0x24:
+    case 0x25:
+    case 0x26:
+    case 0x27:
+    case 0x28:
+    case 0x29:
+    case 0x2a:
+    case 0x2b:
+    case 0x2c:
+    case 0x2d:
+    case 0x2e:
+    case 0x2f:
+      buffer[0] |= 0x10;
+      buffer[1] = 0;
+      buffer[2] = 0;
+      *disp_size = 2;
+      *inst_size = 1;
+      return;
+    default:
+      abort ();
+
+    case 0x01:
+      *inst_size = 6;
+      *disp_size = 2;
+      break;
+    case 0x06:
+      *inst_size = 8;
+      *disp_size = 2;
+
+      *buffer++ = 0x26;		/* bne + 8 */
+      *buffer++ = 0x08;
+      break;
+    case 0x07:
+      *inst_size = 8;
+      *disp_size = 2;
+      *buffer++ = 0x27;		/* bne + 8 */
+      *buffer++ = 0x08;
+      break;
+
+    }
+  *buffer++ = 0xa8 | rn;	/* addq -1,rn */
+  *buffer++ = 0x0c;
+  *buffer++ = 0x04;		/* cmp #0xff:8, rn */
+  *buffer++ = 0xff;
+  *buffer++ = 0x70 | rn;
+  *buffer++ = 0x36;		/* bne ... */
+  *buffer++ = 0;
+  *buffer++ = 0;
+}
+
+/*
+called after relaxing, change the frags so they know how big they are
+*/
+void
+md_convert_frag (headers, seg, fragP)
+     object_headers *headers;
+     segT seg;
+     fragS *fragP;
+{
+  int disp_size = 0;
+  int inst_size = 0;
+  char *buffer = fragP->fr_fix + fragP->fr_literal;
+
+  switch (fragP->fr_subtype)
+    {
+    case C (BRANCH, BYTE_DISP):
+      disp_size = 1;
+      inst_size = 1;
+      break;
+
+    case C (SCB_F, BYTE_DISP):
+    case C (SCB_TST, BYTE_DISP):
+      disp_size = 1;
+      inst_size = 2;
+      break;
+
+      /* Branches to a known 16 bit displacement */
+
+      /* Turn on the 16bit bit */
+    case C (BRANCH, WORD_DISP):
+    case C (SCB_F, WORD_DISP):
+    case C (SCB_TST, WORD_DISP):
+      wordify_scb (buffer, &disp_size, &inst_size);
+      break;
+
+    case C (BRANCH, UNDEF_WORD_DISP):
+    case C (SCB_F, UNDEF_WORD_DISP):
+    case C (SCB_TST, UNDEF_WORD_DISP):
+      /* This tried to be relaxed, but didn't manage it, it now needs a
+	 fix */
+      wordify_scb (buffer, &disp_size, &inst_size);
+
+      /* Make a reloc */
+      fix_new (fragP,
+	       fragP->fr_fix + inst_size,
+	       4,
+	       fragP->fr_symbol,
+	       fragP->fr_offset,
+	       0,
+	       R_H8500_PCREL16);
+
+      fragP->fr_fix += disp_size + inst_size;
+      fragP->fr_var = 0;
+      return;
+      break;
+    default:
+      abort ();
+    }
+  if (inst_size)
+    {
+      /* Get the address of the end of the instruction */
+      int next_inst = fragP->fr_fix + fragP->fr_address + disp_size + inst_size;
+      int targ_addr = (S_GET_VALUE (fragP->fr_symbol) +
+		       fragP->fr_offset);
+      int disp = targ_addr - next_inst;
+
+      md_number_to_chars (buffer + inst_size, disp, disp_size);
+      fragP->fr_fix += disp_size + inst_size;
+      fragP->fr_var = 0;
+    }
+}
+
+valueT
+md_section_align (seg, size)
+     segT seg ;
+     valueT size;
+{
+  return ((size + (1 << section_alignment[(int) seg]) - 1) 
+	  & (-1 << section_alignment[(int) seg]));
+
+}
+
+void
+md_apply_fix (fixP, val)
+     fixS *fixP;
+     long val;
+{
+  char *buf = fixP->fx_where + fixP->fx_frag->fr_literal;
+
+  if (fixP->fx_r_type == 0)
+    {
+      fixP->fx_r_type = fixP->fx_size == 4 ? R_H8500_IMM32 : R_H8500_IMM16;
+    }
+
+  switch (fixP->fx_r_type)
+    {
+
+    case R_H8500_IMM8:
+    case R_H8500_PCREL8:
+      *buf++ = val;
+      break;
+    case R_H8500_IMM16:
+    case R_H8500_LOW16:
+    case R_H8500_PCREL16:
+      *buf++ = (val >> 8);
+      *buf++ = val;
+      break;
+    case R_H8500_HIGH8:
+      *buf++ = val >> 16;
+      break;
+    case R_H8500_HIGH16:
+      *buf++ = val >> 24;
+      *buf++ = val >> 16;
+      break;
+    case R_H8500_IMM24:
+      *buf++ = (val >> 16);
+      *buf++ = (val >> 8);
+      *buf++ = val;
+      break;
+    case R_H8500_IMM32:
+      *buf++ = (val >> 24);
+      *buf++ = (val >> 16);
+      *buf++ = (val >> 8);
+      *buf++ = val;
+      break;
+    default:
+      abort ();
+
+    }
+}
+
+/*
+called just before address relaxation, return the length
+by which a fragment must grow to reach it's destination
+*/
+int
+md_estimate_size_before_relax (fragP, segment_type)
+     register fragS *fragP;
+     register segT segment_type;
+{
+  int what = GET_WHAT (fragP->fr_subtype);
+
+  switch (fragP->fr_subtype)
+    {
+    default:
+      abort ();
+    case C (BRANCH, UNDEF_BYTE_DISP):
+    case C (SCB_F, UNDEF_BYTE_DISP):
+    case C (SCB_TST, UNDEF_BYTE_DISP):
+      /* used to be a branch to somewhere which was unknown */
+      if (S_GET_SEGMENT (fragP->fr_symbol) == segment_type)
+	{
+	  /* Got a symbol and it's defined in this segment, become byte
+	 sized - maybe it will fix up */
+	  fragP->fr_subtype = C (what, BYTE_DISP);
+	  fragP->fr_var = md_relax_table[C (what, BYTE_DISP)].rlx_length;
+	}
+      else
+	{
+	  /* Its got a segment, but its not ours, so it will always be long */
+	  fragP->fr_subtype = C (what, UNDEF_WORD_DISP);
+	  fragP->fr_var = md_relax_table[C (what, WORD_DISP)].rlx_length;
+	  return md_relax_table[C (what, WORD_DISP)].rlx_length;
+	}
+    }
+  return fragP->fr_var;
+}
+
+/* Put number into target byte order */
+
+void
+md_number_to_chars (ptr, use, nbytes)
+     char *ptr;
+     valueT use;
+     int nbytes;
+{
+  number_to_chars_bigendian (ptr, use, nbytes);
+}
+
+long
+md_pcrel_from (fixP)
+     fixS *fixP;
+{
+  return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address;
+}
+
+/*ARGSUSED*/
+void
+tc_coff_symbol_emit_hook (ignore)
+     symbolS *ignore;
+{
+}
+
+short
+tc_coff_fix2rtype (fix_ptr)
+     fixS *fix_ptr;
+{
+  if (fix_ptr->fx_r_type == RELOC_32)
+    {
+      /* cons likes to create reloc32's whatever the size of the reloc..
+     */
+      switch (fix_ptr->fx_size)
+	{
+	case 2:
+	  return R_H8500_IMM16;
+	  break;
+	case 1:
+	  return R_H8500_IMM8;
+	  break;
+	default:
+	  abort ();
+	}
+    }
+  return fix_ptr->fx_r_type;
+}
+
+void
+tc_reloc_mangle (fix_ptr, intr, base)
+     fixS *fix_ptr;
+     struct internal_reloc *intr;
+     bfd_vma base;
+
+{
+  symbolS *symbol_ptr;
+
+  symbol_ptr = fix_ptr->fx_addsy;
+
+  /* If this relocation is attached to a symbol then it's ok
+     to output it */
+  if (fix_ptr->fx_r_type == RELOC_32)
+    {
+      /* cons likes to create reloc32's whatever the size of the reloc..
+       */
+      switch (fix_ptr->fx_size)
+	{
+	case 2:
+	  intr->r_type = R_IMM16;
+	  break;
+	case 1:
+	  intr->r_type = R_IMM8;
+	  break;
+	default:
+	  abort ();
+	}
+    }
+  else
+    {
+      intr->r_type = fix_ptr->fx_r_type;
+    }
+
+  intr->r_vaddr = fix_ptr->fx_frag->fr_address + fix_ptr->fx_where + base;
+  intr->r_offset = fix_ptr->fx_offset;
+
+  /* Turn the segment of the symbol into an offset.  */
+  if (symbol_ptr)
+    {
+      symbolS *dot;
+
+      dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot;
+      if (dot)
+	{
+	  /*	  intr->r_offset -=
+	    segment_info[S_GET_SEGMENT(symbol_ptr)].scnhdr.s_paddr;*/
+	  intr->r_offset += S_GET_VALUE (symbol_ptr);
+	  intr->r_symndx = dot->sy_number;
+	}
+      else
+	{
+	  intr->r_symndx = symbol_ptr->sy_number;
+	}
+
+    }
+  else
+    {
+      intr->r_symndx = -1;
+    }
+
+}
+
+
+
+int
+start_label (ptr)
+     char *ptr;
+{
+  /* Check for :s.w */
+  if (isalpha (ptr[1]) && ptr[2] == '.')
+    return 0;
+  /* Check for :s */
+  if (isalpha (ptr[1]) && !isalpha (ptr[2]))
+    return 0;
+  return 1;
+}
+
+
+int
+tc_coff_sizemachdep (frag)
+     fragS *frag;
+{
+  return md_relax_table[frag->fr_subtype].rlx_length;
+}
+
+/* end of tc-h8500.c */
+