#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 *));
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;
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;
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;
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;
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;
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 *));
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;
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 :
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;
}
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));
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 (cd, insn, strp, fields)
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 *
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;
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 (! frv_cgen_insn_supported (cd, insn))
continue;
#endif
if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAX) != 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;
}
}
#if 0
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
if (! frv_cgen_opval_supported (ke))
continue;
#endif
cgen_asm_record_register (cd, ke->name, ke->value);
}
}
#endif