#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"
#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
(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)
{
if (**strp == '#')
{
++*strp;
return NULL;
}
return _("Missing '#' prefix");
}
static const char *
parse_dot (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
const char **strp,
int opindex ATTRIBUTE_UNUSED,
long *valuep ATTRIBUTE_UNUSED)
{
if (**strp == '.')
{
++*strp;
return NULL;
}
return _("Missing '.' prefix");
}
static const char *
parse_pof (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
const char **strp,
int opindex ATTRIBUTE_UNUSED,
long *valuep ATTRIBUTE_UNUSED)
{
if (strncasecmp (*strp, "pof:", 4) == 0)
{
*strp += 4;
return NULL;
}
return _("Missing 'pof:' prefix");
}
static const char *
parse_pag (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
const char **strp,
int opindex ATTRIBUTE_UNUSED,
long *valuep ATTRIBUTE_UNUSED)
{
if (strncasecmp (*strp, "pag:", 4) == 0)
{
*strp += 4;
return NULL;
}
return _("Missing 'pag:' prefix");
}
static const char *
parse_sof (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
const char **strp,
int opindex ATTRIBUTE_UNUSED,
long *valuep ATTRIBUTE_UNUSED)
{
if (strncasecmp (*strp, "sof:", 4) == 0)
{
*strp += 4;
return NULL;
}
return _("Missing 'sof:' prefix");
}
static const char *
parse_seg (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
const char **strp,
int opindex ATTRIBUTE_UNUSED,
long *valuep ATTRIBUTE_UNUSED)
{
if (strncasecmp (*strp, "seg:", 4) == 0)
{
*strp += 4;
return NULL;
}
return _("Missing 'seg:' prefix");
}
const char * xc16x_cgen_parse_operand
(CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
const char *
xc16x_cgen_parse_operand (CGEN_CPU_DESC cd,
int opindex,
const char ** strp,
CGEN_FIELDS * fields)
{
const char * errmsg = NULL;
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 :
fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
abort ();
}
return errmsg;
}
cgen_parse_fn * const xc16x_cgen_parse_handlers[] =
{
parse_insn_normal,
};
void
xc16x_cgen_init_asm (CGEN_CPU_DESC cd)
{
xc16x_cgen_init_opcode_table (cd);
xc16x_cgen_init_ibld_table (cd);
cd->parse_handlers = & xc16x_cgen_parse_handlers[0];
cd->parse_operand = xc16x_cgen_parse_operand;
}
char *
xc16x_cgen_build_insn_regex (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));
if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
return _("missing mnemonic in syntax string");
++syn;
for (; *mnem; mnem++)
{
char c = *mnem;
if (ISALPHA (c))
{
*rx++ = '[';
*rx++ = TOLOWER (c);
*rx++ = TOUPPER (c);
*rx++ = ']';
}
else
*rx++ = c;
}
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)
{
case '.': case '[': case '\\':
case '*': case '^': case '$':
#ifdef CGEN_ESCAPE_EXTENDED_REGEX
case '?': case '{': case '}':
case '(': case ')': case '*':
case '|': case '+': case ']':
#endif
*rx++ = '\\';
*rx++ = c;
break;
default:
if (ISALPHA (c))
{
*rx++ = '[';
*rx++ = TOLOWER (c);
*rx++ = TOUPPER (c);
*rx++ = ']';
}
else
*rx++ = c;
break;
}
}
else
{
*rx++ = '.';
*rx++ = '*';
}
}
* rx++ = '[';
* rx++ = ' ';
* rx++ = '\t';
* rx++ = ']';
* rx++ = '*';
* rx++ = '$';
* 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;
}
}
static const char *
parse_insn_normal (CGEN_CPU_DESC cd,
const CGEN_INSN *insn,
const char **strp,
CGEN_FIELDS *fields)
{
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
int past_opcode_p;
#endif
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
syn = CGEN_SYNTAX_STRING (syntax);
if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
abort ();
++syn;
while (* syn != 0)
{
if (CGEN_SYNTAX_CHAR_P (* syn))
{
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)
{
static char msg [80];
sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
CGEN_SYNTAX_CHAR(*syn), *str);
return msg;
}
else
{
static char msg [80];
sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"),
CGEN_SYNTAX_CHAR(*syn));
return msg;
}
continue;
}
errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn),
&str, fields);
if (errmsg)
return errmsg;
++ syn;
}
if (* syn == 0)
{
while (ISSPACE (* str))
++ str;
if (* str != '\0')
return _("junk at end of line");
return NULL;
}
return _("unrecognized instruction");
}
const CGEN_INSN *
xc16x_cgen_assemble_insn (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;
while (ISSPACE (* str))
++ str;
ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
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
if (! xc16x_cgen_insn_supported (cd, insn))
continue;
#endif
if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
continue;
str = start;
if (CGEN_INSN_RX (insn) != NULL &&
regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH)
continue;
CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
if (parse_errmsg != NULL)
continue;
insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
(bfd_vma) 0);
if (insert_errmsg != NULL)
continue;
return insn;
}
{
static char errbuf[150];
#ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
const char *tmp_errmsg;
tmp_errmsg = (insert_errmsg ? insert_errmsg :
parse_errmsg ? parse_errmsg :
recognized_mnemonic ?
_("unrecognized form of instruction") :
_("unrecognized instruction"));
if (strlen (start) > 50)
sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start);
else
sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start);
#else
if (strlen (start) > 50)
sprintf (errbuf, _("bad instruction `%.50s...'"), start);
else
sprintf (errbuf, _("bad instruction `%.50s'"), start);
#endif
*errmsg = errbuf;
return NULL;
}
}