2002-06-18 Dave Brolley <brolley@redhat.com>

	* po/POTFILES.in: Add frv-*.[ch].
	* disassemble.c (ARCH_frv): New macro.
	(disassembler): Handle bfd_arch_frv.
	* configure.in: Support frv_bfd_arch.
	* Makefile.am (HFILES): Add frv-*.h.
	(CFILES): Add frv-*.c
	(ALL_MACHINES): Add frv-*.lo.
	(CLEANFILES): Add stamp-frv.
	(FRV_DEPS): New variable.
	(stamp-frv): New target.
	(frv-asm.lo): New target.
	(frv-desc.lo): New target.
	(frv-dis.lo): New target.
	(frv-ibld.lo): New target.
	(frv-opc.lo): New target.
	(frv-*.[ch]): New files.

1 files changed, 1023 insertions, 0 deletions

diff --git a/opcodes/frv-asm.c b/opcodes/frv-asm.c
new file mode 100644
index 0000000..538ed2d
--- /dev/null
+++ b/opcodes/frv-asm.c
@@ -0,0 +1,1023 @@
+/* Assembler interface for targets using CGEN. -*- C -*-
+   CGEN: Cpu tools GENerator
+
+THIS FILE IS MACHINE GENERATED WITH CGEN.
+- the resultant file is machine generated, cgen-asm.in isn't
+
+Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+
+This file is part of the GNU Binutils and GDB, the GNU debugger.
+
+This program 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.
+
+This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+/* ??? Eventually more and more of this stuff can go to cpu-independent files.
+   Keep that in mind.  */
+
+#include "sysdep.h"
+#include <stdio.h>
+#include "ansidecl.h"
+#include "bfd.h"
+#include "symcat.h"
+#include "frv-desc.h"
+#include "frv-opc.h"
+#include "opintl.h"
+#include "xregex.h"
+#include "libiberty.h"
+#include "safe-ctype.h"
+
+#undef  min
+#define min(a,b) ((a) < (b) ? (a) : (b))
+#undef  max
+#define max(a,b) ((a) > (b) ? (a) : (b))
+
+static const char * parse_insn_normal
+     PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *));
+
+/* -- assembler routines inserted here.  */
+
+/* -- asm.c */
+static const char * parse_ulo16
+  PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
+static const char * parse_uslo16
+  PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
+static const char * parse_uhi16
+  PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
+static long parse_register_number
+  PARAMS ((const char **));
+static const char * parse_spr
+  PARAMS ((CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *));
+static const char * parse_d12
+  PARAMS ((CGEN_CPU_DESC, const char **, int, long *));
+static const char * parse_s12
+  PARAMS ((CGEN_CPU_DESC, const char **, int, long *));
+static const char * parse_u12
+  PARAMS ((CGEN_CPU_DESC, const char **, int, long *));
+
+static const char *
+parse_ulo16 (cd, strp, opindex, valuep)
+     CGEN_CPU_DESC cd;
+     const char **strp;
+     int opindex;
+     unsigned long *valuep;
+{
+  const char *errmsg;
+  enum cgen_parse_operand_result result_type;
+  bfd_vma value;
+ 
+  if (**strp == '#' || **strp == '%')
+    {
+      if (strncasecmp (*strp + 1, "lo(", 3) == 0)
+	{
+	  *strp += 4;
+	  errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_LO16,
+				       &result_type, &value);
+	  if (**strp != ')')
+	    return "missing `)'";
+	  ++*strp;
+	  if (errmsg == NULL
+	      && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	    value &= 0xffff;
+	  *valuep = value;
+	  return errmsg;
+	}
+      if (strncasecmp (*strp + 1, "gprello(", 8) == 0)
+	{
+	  *strp += 9;
+	  errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPRELLO,
+				       &result_type, &value);
+	  if (**strp != ')')
+	    return "missing ')'";
+	  ++*strp;
+	  if (errmsg == NULL
+	      && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	    value >>= 16;
+	  *valuep = value;
+	  return errmsg;
+	}
+    }
+  return cgen_parse_signed_integer (cd, strp, opindex, valuep);
+}
+
+static const char *
+parse_uslo16 (cd, strp, opindex, valuep)
+     CGEN_CPU_DESC cd;
+     const char **strp;
+     int opindex;
+     unsigned long *valuep;
+{
+  const char *errmsg;
+  enum cgen_parse_operand_result result_type;
+  bfd_vma value;
+ 
+  if (**strp == '#' || **strp == '%')
+    {
+      if (strncasecmp (*strp + 1, "lo(", 3) == 0)
+	{
+	  *strp += 4;
+	  errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_LO16,
+				       &result_type, &value);
+	  if (**strp != ')')
+	    return "missing `)'";
+	  ++*strp;
+	  if (errmsg == NULL
+	      && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	    value &= 0xffff;
+	  *valuep = value;
+	  return errmsg;
+	}
+      else if (strncasecmp (*strp + 1, "gprello(", 8) == 0)
+	{
+	  *strp += 9;
+	  errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPRELLO,
+				       &result_type, &value);
+	  if (**strp != ')')
+	    return "missing ')'";
+	  ++*strp;
+	  if (errmsg == NULL
+	      && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	    value &= 0xffff;
+	  *valuep = value;
+	  return errmsg;
+	}
+    }
+  return cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
+}
+
+static const char *
+parse_uhi16 (cd, strp, opindex, valuep)
+     CGEN_CPU_DESC cd;
+     const char **strp;
+     int opindex;
+     unsigned long *valuep;
+{
+  const char *errmsg;
+  enum cgen_parse_operand_result result_type;
+  bfd_vma value;
+ 
+  if (**strp == '#' || **strp == '%')
+    {
+      if (strncasecmp (*strp + 1, "hi(", 3) == 0)
+	{
+	  *strp += 4;
+	  errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_HI16,
+				       &result_type, &value);
+	  if (**strp != ')')
+	    return "missing `)'";
+	  ++*strp;
+	  if (errmsg == NULL
+	      && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	    value >>= 16;
+	  *valuep = value;
+	  return errmsg;
+	}
+      else if (strncasecmp (*strp + 1, "gprelhi(", 8) == 0)
+	{
+	  *strp += 9;
+	  errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPRELHI,
+				       &result_type, &value);
+	  if (**strp != ')')
+	    return "missing ')'";
+	  ++*strp;
+	  if (errmsg == NULL
+	      && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
+	    value >>= 16;
+	  *valuep = value;
+	  return errmsg;
+	}
+    }
+  return cgen_parse_unsigned_integer (cd, strp, opindex, valuep);
+}
+
+static long
+parse_register_number (strp)
+     const char **strp;
+{
+  int regno;
+  if (**strp < '0' || **strp > '9')
+    return -1; /* error */
+
+  regno = **strp - '0';
+  for (++*strp; **strp >= '0' && **strp <= '9'; ++*strp)
+    regno = regno * 10 + (**strp - '0');
+
+  return regno;
+}
+
+static const char *
+parse_spr (cd, strp, table, valuep)
+     CGEN_CPU_DESC cd;
+     const char **strp;
+     CGEN_KEYWORD * table;
+     long *valuep;
+{
+  const char *save_strp;
+  long regno;
+
+  /* Check for spr index notation.  */
+  if (strncasecmp (*strp, "spr[", 4) == 0)
+    {
+      *strp += 4;
+      regno = parse_register_number (strp);
+      if (**strp != ']')
+        return "missing `]'";
+      ++*strp;
+      if (! spr_valid (regno))
+	return "Special purpose register number is out of range";
+      *valuep = regno;
+      return NULL;
+    }
+
+  save_strp = *strp;
+  regno = parse_register_number (strp);
+  if (regno != -1)
+    {
+      if (! spr_valid (regno))
+	return "Special purpose register number is out of range";
+      *valuep = regno;
+      return NULL;
+    }
+
+  *strp = save_strp;
+  return cgen_parse_keyword (cd, strp, table, valuep);
+}
+
+static const char *
+parse_d12 (cd, strp, opindex, valuep)
+     CGEN_CPU_DESC cd;
+     const char **strp;
+     int opindex;
+     long *valuep;
+{
+  const char *errmsg;
+  enum cgen_parse_operand_result result_type;
+  bfd_vma value;
+ 
+  /* Check for small data reference.  */
+  if (**strp == '#' || **strp == '%')
+    {
+      if (strncasecmp (*strp + 1, "gprel12(", 8) == 0)
+        {
+          *strp += 9;
+          errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPREL12,
+                                       &result_type, &value);
+          if (**strp != ')')
+            return "missing `)'";
+          ++*strp;
+          *valuep = value;
+          return errmsg;
+        }
+    }
+  return cgen_parse_signed_integer (cd, strp, opindex, valuep);
+}
+
+static const char *
+parse_s12 (cd, strp, opindex, valuep)
+     CGEN_CPU_DESC cd;
+     const char **strp;
+     int opindex;
+     long *valuep;
+{
+  const char *errmsg;
+  enum cgen_parse_operand_result result_type;
+  bfd_vma value;
+ 
+  /* Check for small data reference.  */
+  if ((**strp == '#' || **strp == '%')
+      && strncasecmp (*strp + 1, "gprel12(", 8) == 0)
+    {
+      *strp += 9;
+      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPREL12,
+                                    &result_type, &value);
+      if (**strp != ')')
+        return "missing `)'";
+      ++*strp;
+      *valuep = value;
+      return errmsg;
+    }
+  else
+    {
+      if (**strp == '#')
+        ++*strp;
+      return cgen_parse_signed_integer (cd, strp, opindex, valuep);
+    }
+}
+
+static const char *
+parse_u12 (cd, strp, opindex, valuep)
+     CGEN_CPU_DESC cd;
+     const char **strp;
+     int opindex;
+     long *valuep;
+{
+  const char *errmsg;
+  enum cgen_parse_operand_result result_type;
+  bfd_vma value;
+ 
+  /* Check for small data reference.  */
+  if ((**strp == '#' || **strp == '%')
+      && strncasecmp (*strp + 1, "gprel12(", 8) == 0)
+    {
+      *strp += 9;
+      errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPRELU12,
+                                    &result_type, &value);
+      if (**strp != ')')
+        return "missing `)'";
+      ++*strp;
+      *valuep = value;
+      return errmsg;
+    }
+  else
+    {
+      if (**strp == '#')
+        ++*strp;
+      return cgen_parse_signed_integer (cd, strp, opindex, valuep);
+    }
+}
+
+/* -- */
+
+const char * frv_cgen_parse_operand
+  PARAMS ((CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *));
+
+/* Main entry point for operand parsing.
+
+   This function is basically just a big switch statement.  Earlier versions
+   used tables to look up the function to use, but
+   - if the table contains both assembler and disassembler functions then
+     the disassembler contains much of the assembler and vice-versa,
+   - there's a lot of inlining possibilities as things grow,
+   - using a switch statement avoids the function call overhead.
+
+   This function could be moved into `parse_insn_normal', but keeping it
+   separate makes clear the interface between `parse_insn_normal' and each of
+   the handlers.  */
+
+const char *
+frv_cgen_parse_operand (cd, opindex, strp, fields)
+     CGEN_CPU_DESC cd;
+     int opindex;
+     const char ** strp;
+     CGEN_FIELDS * fields;
+{
+  const char * errmsg = NULL;
+  /* Used by scalar operands that still need to be parsed.  */
+  long junk ATTRIBUTE_UNUSED;
+
+  switch (opindex)
+    {
+    case FRV_OPERAND_A :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_A, &fields->f_A);
+      break;
+    case FRV_OPERAND_ACC40SI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Si);
+      break;
+    case FRV_OPERAND_ACC40SK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Sk);
+      break;
+    case FRV_OPERAND_ACC40UI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Ui);
+      break;
+    case FRV_OPERAND_ACC40UK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Uk);
+      break;
+    case FRV_OPERAND_ACCGI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_accg_names, & fields->f_ACCGi);
+      break;
+    case FRV_OPERAND_ACCGK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_accg_names, & fields->f_ACCGk);
+      break;
+    case FRV_OPERAND_CCI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CCi);
+      break;
+    case FRV_OPERAND_CPRDOUBLEK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRk);
+      break;
+    case FRV_OPERAND_CPRI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRi);
+      break;
+    case FRV_OPERAND_CPRJ :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRj);
+      break;
+    case FRV_OPERAND_CPRK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRk);
+      break;
+    case FRV_OPERAND_CRI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRi);
+      break;
+    case FRV_OPERAND_CRJ :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRj);
+      break;
+    case FRV_OPERAND_CRJ_FLOAT :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRj_float);
+      break;
+    case FRV_OPERAND_CRJ_INT :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRj_int);
+      break;
+    case FRV_OPERAND_CRK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRk);
+      break;
+    case FRV_OPERAND_FCCI_1 :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCi_1);
+      break;
+    case FRV_OPERAND_FCCI_2 :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCi_2);
+      break;
+    case FRV_OPERAND_FCCI_3 :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCi_3);
+      break;
+    case FRV_OPERAND_FCCK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCk);
+      break;
+    case FRV_OPERAND_FRDOUBLEI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi);
+      break;
+    case FRV_OPERAND_FRDOUBLEJ :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
+      break;
+    case FRV_OPERAND_FRDOUBLEK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
+      break;
+    case FRV_OPERAND_FRI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi);
+      break;
+    case FRV_OPERAND_FRINTI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi);
+      break;
+    case FRV_OPERAND_FRINTJ :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
+      break;
+    case FRV_OPERAND_FRINTK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
+      break;
+    case FRV_OPERAND_FRJ :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj);
+      break;
+    case FRV_OPERAND_FRK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
+      break;
+    case FRV_OPERAND_FRKHI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
+      break;
+    case FRV_OPERAND_FRKLO :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk);
+      break;
+    case FRV_OPERAND_GRDOUBLEK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk);
+      break;
+    case FRV_OPERAND_GRI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRi);
+      break;
+    case FRV_OPERAND_GRJ :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRj);
+      break;
+    case FRV_OPERAND_GRK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk);
+      break;
+    case FRV_OPERAND_GRKHI :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk);
+      break;
+    case FRV_OPERAND_GRKLO :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk);
+      break;
+    case FRV_OPERAND_ICCI_1 :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_iccr_names, & fields->f_ICCi_1);
+      break;
+    case FRV_OPERAND_ICCI_2 :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_iccr_names, & fields->f_ICCi_2);
+      break;
+    case FRV_OPERAND_ICCI_3 :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_iccr_names, & fields->f_ICCi_3);
+      break;
+    case FRV_OPERAND_LI :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LI, &fields->f_LI);
+      break;
+    case FRV_OPERAND_AE :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_AE, &fields->f_ae);
+      break;
+    case FRV_OPERAND_CCOND :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_CCOND, &fields->f_ccond);
+      break;
+    case FRV_OPERAND_COND :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_COND, &fields->f_cond);
+      break;
+    case FRV_OPERAND_D12 :
+      errmsg = parse_d12 (cd, strp, FRV_OPERAND_D12, &fields->f_d12);
+      break;
+    case FRV_OPERAND_DEBUG :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_DEBUG, &fields->f_debug);
+      break;
+    case FRV_OPERAND_EIR :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_EIR, &fields->f_eir);
+      break;
+    case FRV_OPERAND_HINT :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_HINT, &fields->f_hint);
+      break;
+    case FRV_OPERAND_HINT_NOT_TAKEN :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_h_hint_not_taken, & fields->f_hint);
+      break;
+    case FRV_OPERAND_HINT_TAKEN :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_h_hint_taken, & fields->f_hint);
+      break;
+    case FRV_OPERAND_LABEL16 :
+      {
+        bfd_vma value;
+        errmsg = cgen_parse_address (cd, strp, FRV_OPERAND_LABEL16, 0, NULL,  & value);
+        fields->f_label16 = value;
+      }
+      break;
+    case FRV_OPERAND_LABEL24 :
+      {
+        bfd_vma value;
+        errmsg = cgen_parse_address (cd, strp, FRV_OPERAND_LABEL24, 0, NULL,  & value);
+        fields->f_label24 = value;
+      }
+      break;
+    case FRV_OPERAND_LOCK :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LOCK, &fields->f_lock);
+      break;
+    case FRV_OPERAND_PACK :
+      errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_h_pack, & fields->f_pack);
+      break;
+    case FRV_OPERAND_S10 :
+      errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S10, &fields->f_s10);
+      break;
+    case FRV_OPERAND_S12 :
+      errmsg = parse_s12 (cd, strp, FRV_OPERAND_S12, &fields->f_d12);
+      break;
+    case FRV_OPERAND_S16 :
+      errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S16, &fields->f_s16);
+      break;
+    case FRV_OPERAND_S5 :
+      errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S5, &fields->f_s5);
+      break;
+    case FRV_OPERAND_S6 :
+      errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S6, &fields->f_s6);
+      break;
+    case FRV_OPERAND_S6_1 :
+      errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S6_1, &fields->f_s6_1);
+      break;
+    case FRV_OPERAND_SLO16 :
+      errmsg = parse_uslo16 (cd, strp, FRV_OPERAND_SLO16, &fields->f_s16);
+      break;
+    case FRV_OPERAND_SPR :
+      errmsg = parse_spr (cd, strp, & frv_cgen_opval_spr_names, & fields->f_spr);
+      break;
+    case FRV_OPERAND_U12 :
+      errmsg = parse_u12 (cd, strp, FRV_OPERAND_U12, &fields->f_u12);
+      break;
+    case FRV_OPERAND_U16 :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_U16, &fields->f_u16);
+      break;
+    case FRV_OPERAND_U6 :
+      errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_U6, &fields->f_u6);
+      break;
+    case FRV_OPERAND_UHI16 :
+      errmsg = parse_uhi16 (cd, strp, FRV_OPERAND_UHI16, &fields->f_u16);
+      break;
+    case FRV_OPERAND_ULO16 :
+      errmsg = parse_ulo16 (cd, strp, FRV_OPERAND_ULO16, &fields->f_u16);
+      break;
+
+    default :
+      /* xgettext:c-format */
+      fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
+      abort ();
+  }
+
+  return errmsg;
+}
+
+cgen_parse_fn * const frv_cgen_parse_handlers[] = 
+{
+  parse_insn_normal,
+};
+
+void
+frv_cgen_init_asm (cd)
+     CGEN_CPU_DESC cd;
+{
+  frv_cgen_init_opcode_table (cd);
+  frv_cgen_init_ibld_table (cd);
+  cd->parse_handlers = & frv_cgen_parse_handlers[0];
+  cd->parse_operand = frv_cgen_parse_operand;
+}
+
+
+
+/* Regex construction routine.
+
+   This translates an opcode syntax string into a regex string,
+   by replacing any non-character syntax element (such as an
+   opcode) with the pattern '.*'
+
+   It then compiles the regex and stores it in the opcode, for
+   later use by frv_cgen_assemble_insn
+
+   Returns NULL for success, an error message for failure.  */
+
+char * 
+frv_cgen_build_insn_regex (insn)
+     CGEN_INSN *insn;
+{  
+  CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
+  const char *mnem = CGEN_INSN_MNEMONIC (insn);
+  char rxbuf[CGEN_MAX_RX_ELEMENTS];
+  char *rx = rxbuf;
+  const CGEN_SYNTAX_CHAR_TYPE *syn;
+  int reg_err;
+
+  syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc));
+
+  /* Mnemonics come first in the syntax string.  */
+  if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
+    return _("missing mnemonic in syntax string");
+  ++syn;
+
+  /* Generate a case sensitive regular expression that emulates case
+     insensitive matching in the "C" locale.  We cannot generate a case
+     insensitive regular expression because in Turkish locales, 'i' and 'I'
+     are not equal modulo case conversion.  */
+
+  /* Copy the literal mnemonic out of the insn.  */
+  for (; *mnem; mnem++)
+    {
+      char c = *mnem;
+
+      if (ISALPHA (c))
+	{
+	  *rx++ = '[';
+	  *rx++ = TOLOWER (c);
+	  *rx++ = TOUPPER (c);
+	  *rx++ = ']';
+	}
+      else
+	*rx++ = c;
+    }
+
+  /* Copy any remaining literals from the syntax string into the rx.  */
+  for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn)
+    {
+      if (CGEN_SYNTAX_CHAR_P (* syn)) 
+	{
+	  char c = CGEN_SYNTAX_CHAR (* syn);
+
+	  switch (c) 
+	    {
+	      /* Escape any regex metacharacters in the syntax.  */
+	    case '.': case '[': case '\\': 
+	    case '*': case '^': case '$': 
+
+#ifdef CGEN_ESCAPE_EXTENDED_REGEX
+	    case '?': case '{': case '}': 
+	    case '(': case ')': case '*':
+	    case '|': case '+': case ']':
+#endif
+	      *rx++ = '\\';
+	      *rx++ = c;
+	      break;
+
+	    default:
+	      if (ISALPHA (c))
+		{
+		  *rx++ = '[';
+		  *rx++ = TOLOWER (c);
+		  *rx++ = TOUPPER (c);
+		  *rx++ = ']';
+		}
+	      else
+		*rx++ = c;
+	      break;
+	    }
+	}
+      else
+	{
+	  /* Replace non-syntax fields with globs.  */
+	  *rx++ = '.';
+	  *rx++ = '*';
+	}
+    }
+
+  /* Trailing whitespace ok.  */
+  * rx++ = '['; 
+  * rx++ = ' '; 
+  * rx++ = '\t'; 
+  * rx++ = ']'; 
+  * rx++ = '*'; 
+
+  /* But anchor it after that.  */
+  * rx++ = '$'; 
+  * rx = '\0';
+
+  CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t));
+  reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB);
+
+  if (reg_err == 0) 
+    return NULL;
+  else
+    {
+      static char msg[80];
+
+      regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80);
+      regfree ((regex_t *) CGEN_INSN_RX (insn));
+      free (CGEN_INSN_RX (insn));
+      (CGEN_INSN_RX (insn)) = NULL;
+      return msg;
+    }
+}
+
+
+/* Default insn parser.
+
+   The syntax string is scanned and operands are parsed and stored in FIELDS.
+   Relocs are queued as we go via other callbacks.
+
+   ??? Note that this is currently an all-or-nothing parser.  If we fail to
+   parse the instruction, we return 0 and the caller will start over from
+   the beginning.  Backtracking will be necessary in parsing subexpressions,
+   but that can be handled there.  Not handling backtracking here may get
+   expensive in the case of the m68k.  Deal with later.
+
+   Returns NULL for success, an error message for failure.  */
+
+static const char *
+parse_insn_normal (cd, insn, strp, fields)
+     CGEN_CPU_DESC cd;
+     const CGEN_INSN *insn;
+     const char **strp;
+     CGEN_FIELDS *fields;
+{
+  /* ??? Runtime added insns not handled yet.  */
+  const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
+  const char *str = *strp;
+  const char *errmsg;
+  const char *p;
+  const CGEN_SYNTAX_CHAR_TYPE * syn;
+#ifdef CGEN_MNEMONIC_OPERANDS
+  /* FIXME: wip */
+  int past_opcode_p;
+#endif
+
+  /* For now we assume the mnemonic is first (there are no leading operands).
+     We can parse it without needing to set up operand parsing.
+     GAS's input scrubber will ensure mnemonics are lowercase, but we may
+     not be called from GAS.  */
+  p = CGEN_INSN_MNEMONIC (insn);
+  while (*p && TOLOWER (*p) == TOLOWER (*str))
+    ++p, ++str;
+
+  if (* p)
+    return _("unrecognized instruction");
+
+#ifndef CGEN_MNEMONIC_OPERANDS
+  if (* str && ! ISSPACE (* str))
+    return _("unrecognized instruction");
+#endif
+
+  CGEN_INIT_PARSE (cd);
+  cgen_init_parse_operand (cd);
+#ifdef CGEN_MNEMONIC_OPERANDS
+  past_opcode_p = 0;
+#endif
+
+  /* We don't check for (*str != '\0') here because we want to parse
+     any trailing fake arguments in the syntax string.  */
+  syn = CGEN_SYNTAX_STRING (syntax);
+
+  /* Mnemonics come first for now, ensure valid string.  */
+  if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
+    abort ();
+
+  ++syn;
+
+  while (* syn != 0)
+    {
+      /* Non operand chars must match exactly.  */
+      if (CGEN_SYNTAX_CHAR_P (* syn))
+	{
+	  /* FIXME: While we allow for non-GAS callers above, we assume the
+	     first char after the mnemonic part is a space.  */
+	  /* FIXME: We also take inappropriate advantage of the fact that
+	     GAS's input scrubber will remove extraneous blanks.  */
+	  if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))
+	    {
+#ifdef CGEN_MNEMONIC_OPERANDS
+	      if (CGEN_SYNTAX_CHAR(* syn) == ' ')
+		past_opcode_p = 1;
+#endif
+	      ++ syn;
+	      ++ str;
+	    }
+	  else if (*str)
+	    {
+	      /* Syntax char didn't match.  Can't be this insn.  */
+	      static char msg [80];
+
+	      /* xgettext:c-format */
+	      sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
+		       CGEN_SYNTAX_CHAR(*syn), *str);
+	      return msg;
+	    }
+	  else
+	    {
+	      /* Ran out of input.  */
+	      static char msg [80];
+
+	      /* xgettext:c-format */
+	      sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"),
+		       CGEN_SYNTAX_CHAR(*syn));
+	      return msg;
+	    }
+	  continue;
+	}
+
+      /* We have an operand of some sort.  */
+      errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn),
+					  &str, fields);
+      if (errmsg)
+	return errmsg;
+
+      /* Done with this operand, continue with next one.  */
+      ++ syn;
+    }
+
+  /* If we're at the end of the syntax string, we're done.  */
+  if (* syn == 0)
+    {
+      /* FIXME: For the moment we assume a valid `str' can only contain
+	 blanks now.  IE: We needn't try again with a longer version of
+	 the insn and it is assumed that longer versions of insns appear
+	 before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3).  */
+      while (ISSPACE (* str))
+	++ str;
+
+      if (* str != '\0')
+	return _("junk at end of line"); /* FIXME: would like to include `str' */
+
+      return NULL;
+    }
+
+  /* We couldn't parse it.  */
+  return _("unrecognized instruction");
+}
+
+/* Main entry point.
+   This routine is called for each instruction to be assembled.
+   STR points to the insn to be assembled.
+   We assume all necessary tables have been initialized.
+   The assembled instruction, less any fixups, is stored in BUF.
+   Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value
+   still needs to be converted to target byte order, otherwise BUF is an array
+   of bytes in target byte order.
+   The result is a pointer to the insn's entry in the opcode table,
+   or NULL if an error occured (an error message will have already been
+   printed).
+
+   Note that when processing (non-alias) macro-insns,
+   this function recurses.
+
+   ??? It's possible to make this cpu-independent.
+   One would have to deal with a few minor things.
+   At this point in time doing so would be more of a curiosity than useful
+   [for example this file isn't _that_ big], but keeping the possibility in
+   mind helps keep the design clean.  */
+
+const CGEN_INSN *
+frv_cgen_assemble_insn (cd, str, fields, buf, errmsg)
+     CGEN_CPU_DESC cd;
+     const char *str;
+     CGEN_FIELDS *fields;
+     CGEN_INSN_BYTES_PTR buf;
+     char **errmsg;
+{
+  const char *start;
+  CGEN_INSN_LIST *ilist;
+  const char *parse_errmsg = NULL;
+  const char *insert_errmsg = NULL;
+  int recognized_mnemonic = 0;
+
+  /* Skip leading white space.  */
+  while (ISSPACE (* str))
+    ++ str;
+
+  /* The instructions are stored in hashed lists.
+     Get the first in the list.  */
+  ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
+
+  /* Keep looking until we find a match.  */
+  start = str;
+  for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist))
+    {
+      const CGEN_INSN *insn = ilist->insn;
+      recognized_mnemonic = 1;
+
+#ifdef CGEN_VALIDATE_INSN_SUPPORTED 
+      /* Not usually needed as unsupported opcodes
+	 shouldn't be in the hash lists.  */
+      /* Is this insn supported by the selected cpu?  */
+      if (! frv_cgen_insn_supported (cd, insn))
+	continue;
+#endif
+      /* If the RELAX attribute is set, this is an insn that shouldn't be
+	 chosen immediately.  Instead, it is used during assembler/linker
+	 relaxation if possible.  */
+      if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAX) != 0)
+	continue;
+
+      str = start;
+
+      /* Skip this insn if str doesn't look right lexically.  */
+      if (CGEN_INSN_RX (insn) != NULL &&
+	  regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH)
+	continue;
+
+      /* Allow parse/insert handlers to obtain length of insn.  */
+      CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
+
+      parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
+      if (parse_errmsg != NULL)
+	continue;
+
+      /* ??? 0 is passed for `pc'.  */
+      insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
+						 (bfd_vma) 0);
+      if (insert_errmsg != NULL)
+        continue;
+
+      /* It is up to the caller to actually output the insn and any
+         queued relocs.  */
+      return insn;
+    }
+
+  {
+    static char errbuf[150];
+#ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
+    const char *tmp_errmsg;
+
+    /* If requesting verbose error messages, use insert_errmsg.
+       Failing that, use parse_errmsg.  */
+    tmp_errmsg = (insert_errmsg ? insert_errmsg :
+		  parse_errmsg ? parse_errmsg :
+		  recognized_mnemonic ?
+		  _("unrecognized form of instruction") :
+		  _("unrecognized instruction"));
+
+    if (strlen (start) > 50)
+      /* xgettext:c-format */
+      sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start);
+    else 
+      /* xgettext:c-format */
+      sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start);
+#else
+    if (strlen (start) > 50)
+      /* xgettext:c-format */
+      sprintf (errbuf, _("bad instruction `%.50s...'"), start);
+    else 
+      /* xgettext:c-format */
+      sprintf (errbuf, _("bad instruction `%.50s'"), start);
+#endif
+      
+    *errmsg = errbuf;
+    return NULL;
+  }
+}
+
+#if 0 /* This calls back to GAS which we can't do without care.  */
+
+/* Record each member of OPVALS in the assembler's symbol table.
+   This lets GAS parse registers for us.
+   ??? Interesting idea but not currently used.  */
+
+/* Record each member of OPVALS in the assembler's symbol table.
+   FIXME: Not currently used.  */
+
+void
+frv_cgen_asm_hash_keywords (cd, opvals)
+     CGEN_CPU_DESC cd;
+     CGEN_KEYWORD *opvals;
+{
+  CGEN_KEYWORD_SEARCH search = cgen_keyword_search_init (opvals, NULL);
+  const CGEN_KEYWORD_ENTRY * ke;
+
+  while ((ke = cgen_keyword_search_next (& search)) != NULL)
+    {
+#if 0 /* Unnecessary, should be done in the search routine.  */
+      if (! frv_cgen_opval_supported (ke))
+	continue;
+#endif
+      cgen_asm_record_register (cd, ke->name, ke->value);
+    }
+}
+
+#endif /* 0 */