* config/arm/nm-nbsd.h: Use <> for include of config/nm-nbsd.h.

[deliverable/binutils-gdb.git] / opcodes / m32r-asm.c

diff --git a/opcodes/m32r-asm.c b/opcodes/m32r-asm.c
index 2d3bd96e72838571ebb5fb0dbb638f0648efb09e..718dd994ce166f6bcc890082aca24eb65092e80c 100644 (file)
--- a/opcodes/m32r-asm.c
+++ b/opcodes/m32r-asm.c
@@ -4,7 +4,7 @@
 THIS FILE IS MACHINE GENERATED WITH CGEN.
 - the resultant file is machine generated, cgen-asm.in isn't
 
 THIS FILE IS MACHINE GENERATED WITH CGEN.
 - the resultant file is machine generated, cgen-asm.in isn't
 

-Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
+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 file is part of the GNU Binutils and GDB, the GNU debugger.
 


@@ -26,7 +26,6 @@ along with this program; if not, write to the Free Software Foundation, Inc.,
    Keep that in mind.  */
 
 #include "sysdep.h"
    Keep that in mind.  */
 
 #include "sysdep.h"

-#include <ctype.h>

 #include <stdio.h>
 #include "ansidecl.h"
 #include "bfd.h"
 #include <stdio.h>
 #include "ansidecl.h"
 #include "bfd.h"


@@ -34,27 +33,38 @@ along with this program; if not, write to the Free Software Foundation, Inc.,
 #include "m32r-desc.h"
 #include "m32r-opc.h"
 #include "opintl.h"
 #include "m32r-desc.h"
 #include "m32r-opc.h"
 #include "opintl.h"

+#include "xregex.h"
+#include "libiberty.h"
+#include "safe-ctype.h"

 
 

-#undef min
+#undef  min

 #define min(a,b) ((a) < (b) ? (a) : (b))
 #define min(a,b) ((a) < (b) ? (a) : (b))

-#undef max
+#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 *));
 \f
 #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 *));
 \f

-/* -- assembler routines inserted here */
+/* -- assembler routines inserted here.  */

 
 /* -- asm.c */
 
 /* -- asm.c */

+static const char * parse_hash
+  PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
+static const char * parse_hi16
+  PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));
+static const char * parse_slo16
+  PARAMS ((CGEN_CPU_DESC, const char **, int, long *));
+static const char * parse_ulo16
+  PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *));

 
 /* Handle '#' prefixes (i.e. skip over them).  */
 
 static const char *
 parse_hash (cd, strp, opindex, valuep)
 
 /* Handle '#' prefixes (i.e. skip over them).  */
 
 static const char *
 parse_hash (cd, strp, opindex, valuep)

-     CGEN_CPU_DESC cd;
+     CGEN_CPU_DESC cd ATTRIBUTE_UNUSED;

      const char **strp;
      const char **strp;

-     int opindex;
-     unsigned long *valuep;
+     int opindex ATTRIBUTE_UNUSED;
+     unsigned long *valuep ATTRIBUTE_UNUSED;

 {
   if (**strp == '#')
     ++*strp;
 {
   if (**strp == '#')
     ++*strp;


@@ -195,6 +205,9 @@ parse_ulo16 (cd, strp, opindex, valuep)
 
 /* -- */
 
 
 /* -- */
 

+const char * m32r_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
 /* Main entry point for operand parsing.
 
    This function is basically just a big switch statement.  Earlier versions


@@ -206,8 +219,7 @@ parse_ulo16 (cd, strp, opindex, valuep)
 
    This function could be moved into `parse_insn_normal', but keeping it
    separate makes clear the interface between `parse_insn_normal' and each of
 
    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.
-*/
+   the handlers.  */

 
 const char *
 m32r_cgen_parse_operand (cd, opindex, strp, fields)
 
 const char *
 m32r_cgen_parse_operand (cd, opindex, strp, fields)


@@ -218,7 +230,7 @@ m32r_cgen_parse_operand (cd, opindex, strp, fields)
 {
   const char * errmsg = NULL;
   /* Used by scalar operands that still need to be parsed.  */
 {
   const char * errmsg = NULL;
   /* Used by scalar operands that still need to be parsed.  */

-  long junk;
+  long junk ATTRIBUTE_UNUSED;

 
   switch (opindex)
     {
 
   switch (opindex)
     {


@@ -332,6 +344,129 @@ m32r_cgen_init_asm (cd)
   cd->parse_operand = m32r_cgen_parse_operand;
 }
 
   cd->parse_operand = m32r_cgen_parse_operand;
 }
 

+\f
+
+/* 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 m32r_cgen_assemble_insn
+
+   Returns NULL for success, an error message for failure.  */
+
+char * 
+m32r_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;
+    }
+}
+

 \f
 /* Default insn parser.
 
 \f
 /* Default insn parser.
 


@@ -344,8 +479,7 @@ m32r_cgen_init_asm (cd)
    but that can be handled there.  Not handling backtracking here may get
    expensive in the case of the m68k.  Deal with later.
 
    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.
-*/
+   Returns NULL for success, an error message for failure.  */

 
 static const char *
 parse_insn_normal (cd, insn, strp, fields)
 
 static const char *
 parse_insn_normal (cd, insn, strp, fields)


@@ -359,7 +493,7 @@ parse_insn_normal (cd, insn, strp, fields)
   const char *str = *strp;
   const char *errmsg;
   const char *p;
   const char *str = *strp;
   const char *errmsg;
   const char *p;

-  const unsigned char * syn;
+  const CGEN_SYNTAX_CHAR_TYPE * syn;

 #ifdef CGEN_MNEMONIC_OPERANDS
   /* FIXME: wip */
   int past_opcode_p;
 #ifdef CGEN_MNEMONIC_OPERANDS
   /* FIXME: wip */
   int past_opcode_p;


@@ -370,14 +504,14 @@ parse_insn_normal (cd, insn, strp, fields)
      GAS's input scrubber will ensure mnemonics are lowercase, but we may
      not be called from GAS.  */
   p = CGEN_INSN_MNEMONIC (insn);
      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))
+  while (*p && TOLOWER (*p) == TOLOWER (*str))

     ++p, ++str;
 
   if (* p)
     return _("unrecognized instruction");
 
 #ifndef CGEN_MNEMONIC_OPERANDS
     ++p, ++str;
 
   if (* p)
     return _("unrecognized instruction");
 
 #ifndef CGEN_MNEMONIC_OPERANDS

-  if (* str && !isspace (* str))
+  if (* str && ! ISSPACE (* str))

     return _("unrecognized instruction");
 #endif
 
     return _("unrecognized instruction");
 #endif
 


@@ -406,21 +540,34 @@ parse_insn_normal (cd, insn, strp, fields)
             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.  */
             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 (*str == CGEN_SYNTAX_CHAR (* syn))
+         if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))

            {
 #ifdef CGEN_MNEMONIC_OPERANDS
            {
 #ifdef CGEN_MNEMONIC_OPERANDS

-             if (* syn == ' ')
+             if (CGEN_SYNTAX_CHAR(* syn) == ' ')

                past_opcode_p = 1;
 #endif
              ++ syn;
              ++ str;
            }
                past_opcode_p = 1;
 #endif
              ++ syn;
              ++ str;
            }

-         else
+         else if (*str)

            {
              /* Syntax char didn't match.  Can't be this insn.  */
            {
              /* Syntax char didn't match.  Can't be this insn.  */

-             /* FIXME: would like to return something like
-                "expected char `c'" */
-             return _("syntax error");
+             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;
        }
            }
          continue;
        }


@@ -436,13 +583,13 @@ parse_insn_normal (cd, insn, strp, fields)
     }
 
   /* If we're at the end of the syntax string, we're done.  */
     }
 
   /* If we're at the end of the syntax string, we're done.  */

-  if (* syn == '\0')
+  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).  */
     {
       /* 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))
+      while (ISSPACE (* str))

        ++ str;
 
       if (* str != '\0')
        ++ str;
 
       if (* str != '\0')


@@ -486,9 +633,12 @@ m32r_cgen_assemble_insn (cd, str, fields, buf, errmsg)
 {
   const char *start;
   CGEN_INSN_LIST *ilist;
 {
   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.  */
 
   /* Skip leading white space.  */

-  while (isspace (* str))
+  while (ISSPACE (* str))

     ++ str;
 
   /* The instructions are stored in hashed lists.
     ++ str;
 
   /* The instructions are stored in hashed lists.


@@ -496,18 +646,19 @@ m32r_cgen_assemble_insn (cd, str, fields, buf, errmsg)
   ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
 
   /* Keep looking until we find a match.  */
   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;
   start = str;
   for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist))
     {
       const CGEN_INSN *insn = ilist->insn;

+      recognized_mnemonic = 1;

 
 

-#if 0 /* not needed as unsupported opcodes shouldn't be in the hash lists */
+#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 (! m32r_cgen_insn_supported (cd, insn))
        continue;
 #endif
       /* Is this insn supported by the selected cpu?  */
       if (! m32r_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 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.  */


@@ -516,33 +667,56 @@ m32r_cgen_assemble_insn (cd, str, fields, buf, errmsg)
 
       str = start;
 
 
       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);
 
       /* Allow parse/insert handlers to obtain length of insn.  */
       CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
 

-      if (! CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields))
-       {
-         /* ??? 0 is passed for `pc' */
-         if (CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf, (bfd_vma) 0)
-             != NULL)
-           continue;
-         /* It is up to the caller to actually output the insn and any
-            queued relocs.  */
-         return insn;
-       }
+      parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
+      if (parse_errmsg != NULL)
+       continue;

 
 

-      /* Try the next entry.  */
+      /* ??? 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;

     }
 
     }
 

-  /* FIXME: We can return a better error message than this.
-     Need to track why it failed and pick the right one.  */

   {
   {

-    static char errbuf[100];
+    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);
     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;
       
     *errmsg = errbuf;
     return NULL;