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cell-binutils  2.17cvs20070401
Defines | Functions | Variables
xc16x-asm.c File Reference
#include "sysdep.h"
#include <stdio.h>
#include "ansidecl.h"
#include "bfd.h"
#include "symcat.h"
#include "xc16x-desc.h"
#include "xc16x-opc.h"
#include "opintl.h"
#include "xregex.h"
#include "libiberty.h"
#include "safe-ctype.h"

Go to the source code of this file.

Defines

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

Functions

static const char * parse_insn_normal (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *)
static const char * parse_hash (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, int opindex ATTRIBUTE_UNUSED, long *valuep ATTRIBUTE_UNUSED)
static const char * parse_dot (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, int opindex ATTRIBUTE_UNUSED, long *valuep ATTRIBUTE_UNUSED)
static const char * parse_pof (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, int opindex ATTRIBUTE_UNUSED, long *valuep ATTRIBUTE_UNUSED)
static const char * parse_pag (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, int opindex ATTRIBUTE_UNUSED, long *valuep ATTRIBUTE_UNUSED)
static const char * parse_sof (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, int opindex ATTRIBUTE_UNUSED, long *valuep ATTRIBUTE_UNUSED)
static const char * parse_seg (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, int opindex ATTRIBUTE_UNUSED, long *valuep ATTRIBUTE_UNUSED)
const char * xc16x_cgen_parse_operand (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *)
void xc16x_cgen_init_asm (CGEN_CPU_DESC cd)
char * xc16x_cgen_build_insn_regex (CGEN_INSN *insn)
const CGEN_INSN * xc16x_cgen_assemble_insn (CGEN_CPU_DESC cd, const char *str, CGEN_FIELDS *fields, CGEN_INSN_BYTES_PTR buf, char **errmsg)

Variables

cgen_parse_fn *const xc16x_cgen_parse_handlers []

Define Documentation

#define max (   a,
  b 
)    ((a) > (b) ? (a) : (b))

Definition at line 44 of file xc16x-asm.c.

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

Definition at line 42 of file xc16x-asm.c.


Function Documentation

static const char* parse_dot ( CGEN_CPU_DESC cd  ATTRIBUTE_UNUSED,
const char **  strp,
int opindex  ATTRIBUTE_UNUSED,
long *valuep  ATTRIBUTE_UNUSED 
) [static]

Definition at line 71 of file xc16x-asm.c.

{
  if (**strp == '.')
    {
      ++*strp;
      return NULL;
    }
  return _("Missing '.' prefix");
}

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static const char* parse_hash ( CGEN_CPU_DESC cd  ATTRIBUTE_UNUSED,
const char **  strp,
int opindex  ATTRIBUTE_UNUSED,
long *valuep  ATTRIBUTE_UNUSED 
) [static]

Definition at line 55 of file xc16x-asm.c.

{
  if (**strp == '#')
    {
      ++*strp;
      return NULL;
    }
  return _("Missing '#' prefix");
}

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static const char * parse_insn_normal ( CGEN_CPU_DESC  cd,
const CGEN_INSN *  insn,
const char **  strp,
CGEN_FIELDS *  fields 
) [static]

Definition at line 536 of file xc16x-asm.c.

{
  /* ??? 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");
}

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static const char* parse_pag ( CGEN_CPU_DESC cd  ATTRIBUTE_UNUSED,
const char **  strp,
int opindex  ATTRIBUTE_UNUSED,
long *valuep  ATTRIBUTE_UNUSED 
) [static]

Definition at line 103 of file xc16x-asm.c.

{
  if (strncasecmp (*strp, "pag:", 4) == 0)
    {
      *strp += 4;
      return NULL;
    }
  return _("Missing 'pag:' prefix");
}

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static const char* parse_pof ( CGEN_CPU_DESC cd  ATTRIBUTE_UNUSED,
const char **  strp,
int opindex  ATTRIBUTE_UNUSED,
long *valuep  ATTRIBUTE_UNUSED 
) [static]

Definition at line 87 of file xc16x-asm.c.

{
  if (strncasecmp (*strp, "pof:", 4) == 0)
    {
      *strp += 4;
      return NULL;
    }
  return _("Missing 'pof:' prefix");  
}

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static const char* parse_seg ( CGEN_CPU_DESC cd  ATTRIBUTE_UNUSED,
const char **  strp,
int opindex  ATTRIBUTE_UNUSED,
long *valuep  ATTRIBUTE_UNUSED 
) [static]

Definition at line 135 of file xc16x-asm.c.

{
  if (strncasecmp (*strp, "seg:", 4) == 0)
    {
      *strp += 4;
      return NULL;
    }
  return _("Missing 'seg:' prefix");
}

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static const char* parse_sof ( CGEN_CPU_DESC cd  ATTRIBUTE_UNUSED,
const char **  strp,
int opindex  ATTRIBUTE_UNUSED,
long *valuep  ATTRIBUTE_UNUSED 
) [static]

Definition at line 119 of file xc16x-asm.c.

{
  if (strncasecmp (*strp, "sof:", 4) == 0)
    {
      *strp += 4;
      return NULL;
    }
  return _("Missing 'sof:' prefix");
}

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const CGEN_INSN* xc16x_cgen_assemble_insn ( CGEN_CPU_DESC  cd,
const char *  str,
CGEN_FIELDS *  fields,
CGEN_INSN_BYTES_PTR  buf,
char **  errmsg 
)

Definition at line 677 of file xc16x-asm.c.

{
  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 (! xc16x_cgen_insn_supported (cd, insn))
       continue;
#endif
      /* If the RELAXED 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_RELAXED) != 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;
  }
}

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char* xc16x_cgen_build_insn_regex ( CGEN_INSN *  insn)

Definition at line 413 of file xc16x-asm.c.

{  
  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;
    }
}

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Definition at line 388 of file xc16x-asm.c.

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const char * xc16x_cgen_parse_operand ( CGEN_CPU_DESC  cd,
int  opindex,
const char **  strp,
CGEN_FIELDS *  fields 
)

Definition at line 166 of file xc16x-asm.c.

{
  const char * errmsg = NULL;
  /* Used by scalar operands that still need to be parsed.  */
  long junk ATTRIBUTE_UNUSED;

  switch (opindex)
    {
    case XC16X_OPERAND_REGNAM :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_psw_names, & fields->f_reg8);
      break;
    case XC16X_OPERAND_BIT01 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_BIT01, (unsigned long *) (& fields->f_op_1bit));
      break;
    case XC16X_OPERAND_BIT1 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_BIT1, (unsigned long *) (& fields->f_op_bit1));
      break;
    case XC16X_OPERAND_BIT2 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_BIT2, (unsigned long *) (& fields->f_op_bit2));
      break;
    case XC16X_OPERAND_BIT4 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_BIT4, (unsigned long *) (& fields->f_op_bit4));
      break;
    case XC16X_OPERAND_BIT8 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_BIT8, (unsigned long *) (& fields->f_op_bit8));
      break;
    case XC16X_OPERAND_BITONE :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_BITONE, (unsigned long *) (& fields->f_op_onebit));
      break;
    case XC16X_OPERAND_CADDR :
      {
        bfd_vma value = 0;
        errmsg = cgen_parse_address (cd, strp, XC16X_OPERAND_CADDR, 0, NULL,  & value);
        fields->f_offset16 = value;
      }
      break;
    case XC16X_OPERAND_COND :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_conditioncode_names, & fields->f_condcode);
      break;
    case XC16X_OPERAND_DATA8 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_DATA8, (unsigned long *) (& fields->f_data8));
      break;
    case XC16X_OPERAND_DATAHI8 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_DATAHI8, (unsigned long *) (& fields->f_datahi8));
      break;
    case XC16X_OPERAND_DOT :
      errmsg = parse_dot (cd, strp, XC16X_OPERAND_DOT, (long *) (& junk));
      break;
    case XC16X_OPERAND_DR :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_gr_names, & fields->f_r1);
      break;
    case XC16X_OPERAND_DRB :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_grb_names, & fields->f_r1);
      break;
    case XC16X_OPERAND_DRI :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_gr_names, & fields->f_r4);
      break;
    case XC16X_OPERAND_EXTCOND :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_extconditioncode_names, & fields->f_extccode);
      break;
    case XC16X_OPERAND_GENREG :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_r8_names, & fields->f_regb8);
      break;
    case XC16X_OPERAND_HASH :
      errmsg = parse_hash (cd, strp, XC16X_OPERAND_HASH, (long *) (& junk));
      break;
    case XC16X_OPERAND_ICOND :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_conditioncode_names, & fields->f_icondcode);
      break;
    case XC16X_OPERAND_LBIT2 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_LBIT2, (unsigned long *) (& fields->f_op_lbit2));
      break;
    case XC16X_OPERAND_LBIT4 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_LBIT4, (unsigned long *) (& fields->f_op_lbit4));
      break;
    case XC16X_OPERAND_MASK8 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_MASK8, (unsigned long *) (& fields->f_mask8));
      break;
    case XC16X_OPERAND_MASKLO8 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_MASKLO8, (unsigned long *) (& fields->f_datahi8));
      break;
    case XC16X_OPERAND_MEMGR8 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_memgr8_names, & fields->f_memgr8);
      break;
    case XC16X_OPERAND_MEMORY :
      {
        bfd_vma value = 0;
        errmsg = cgen_parse_address (cd, strp, XC16X_OPERAND_MEMORY, 0, NULL,  & value);
        fields->f_memory = value;
      }
      break;
    case XC16X_OPERAND_PAG :
      errmsg = parse_pag (cd, strp, XC16X_OPERAND_PAG, (long *) (& junk));
      break;
    case XC16X_OPERAND_PAGENUM :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_PAGENUM, (unsigned long *) (& fields->f_pagenum));
      break;
    case XC16X_OPERAND_POF :
      errmsg = parse_pof (cd, strp, XC16X_OPERAND_POF, (long *) (& junk));
      break;
    case XC16X_OPERAND_QBIT :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_QBIT, (unsigned long *) (& fields->f_qbit));
      break;
    case XC16X_OPERAND_QHIBIT :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_QHIBIT, (unsigned long *) (& fields->f_qhibit));
      break;
    case XC16X_OPERAND_QLOBIT :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_QLOBIT, (unsigned long *) (& fields->f_qlobit));
      break;
    case XC16X_OPERAND_REG8 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_r8_names, & fields->f_reg8);
      break;
    case XC16X_OPERAND_REGB8 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_grb8_names, & fields->f_regb8);
      break;
    case XC16X_OPERAND_REGBMEM8 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_regbmem8_names, & fields->f_regmem8);
      break;
    case XC16X_OPERAND_REGHI8 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_r8_names, & fields->f_reghi8);
      break;
    case XC16X_OPERAND_REGMEM8 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_regmem8_names, & fields->f_regmem8);
      break;
    case XC16X_OPERAND_REGOFF8 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_r8_names, & fields->f_regoff8);
      break;
    case XC16X_OPERAND_REL :
      errmsg = cgen_parse_signed_integer (cd, strp, XC16X_OPERAND_REL, (long *) (& fields->f_rel8));
      break;
    case XC16X_OPERAND_RELHI :
      errmsg = cgen_parse_signed_integer (cd, strp, XC16X_OPERAND_RELHI, (long *) (& fields->f_relhi8));
      break;
    case XC16X_OPERAND_SEG :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_SEG, (unsigned long *) (& fields->f_seg8));
      break;
    case XC16X_OPERAND_SEGHI8 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_SEGHI8, (unsigned long *) (& fields->f_segnum8));
      break;
    case XC16X_OPERAND_SEGM :
      errmsg = parse_seg (cd, strp, XC16X_OPERAND_SEGM, (long *) (& junk));
      break;
    case XC16X_OPERAND_SOF :
      errmsg = parse_sof (cd, strp, XC16X_OPERAND_SOF, (long *) (& junk));
      break;
    case XC16X_OPERAND_SR :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_gr_names, & fields->f_r2);
      break;
    case XC16X_OPERAND_SR2 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_gr_names, & fields->f_r0);
      break;
    case XC16X_OPERAND_SRB :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_grb_names, & fields->f_r2);
      break;
    case XC16X_OPERAND_SRC1 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_gr_names, & fields->f_r1);
      break;
    case XC16X_OPERAND_SRC2 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_gr_names, & fields->f_r2);
      break;
    case XC16X_OPERAND_SRDIV :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_regdiv8_names, & fields->f_reg8);
      break;
    case XC16X_OPERAND_U4 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_reg0_name, & fields->f_uimm4);
      break;
    case XC16X_OPERAND_UIMM16 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_UIMM16, (unsigned long *) (& fields->f_uimm16));
      break;
    case XC16X_OPERAND_UIMM2 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_ext_names, & fields->f_uimm2);
      break;
    case XC16X_OPERAND_UIMM3 :
      errmsg = cgen_parse_keyword (cd, strp, & xc16x_cgen_opval_reg0_name1, & fields->f_uimm3);
      break;
    case XC16X_OPERAND_UIMM4 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_UIMM4, (unsigned long *) (& fields->f_uimm4));
      break;
    case XC16X_OPERAND_UIMM7 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_UIMM7, (unsigned long *) (& fields->f_uimm7));
      break;
    case XC16X_OPERAND_UIMM8 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_UIMM8, (unsigned long *) (& fields->f_uimm8));
      break;
    case XC16X_OPERAND_UPAG16 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_UPAG16, (unsigned long *) (& fields->f_uimm16));
      break;
    case XC16X_OPERAND_UPOF16 :
      {
        bfd_vma value = 0;
        errmsg = cgen_parse_address (cd, strp, XC16X_OPERAND_UPOF16, 0, NULL,  & value);
        fields->f_memory = value;
      }
      break;
    case XC16X_OPERAND_USEG16 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_USEG16, (unsigned long *) (& fields->f_offset16));
      break;
    case XC16X_OPERAND_USEG8 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_USEG8, (unsigned long *) (& fields->f_seg8));
      break;
    case XC16X_OPERAND_USOF16 :
      errmsg = cgen_parse_unsigned_integer (cd, strp, XC16X_OPERAND_USOF16, (unsigned long *) (& fields->f_offset16));
      break;

    default :
      /* xgettext:c-format */
      fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
      abort ();
  }

  return errmsg;
}

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Variable Documentation

Initial value:

Definition at line 382 of file xc16x-asm.c.