#include "sysdep.h"
#include <ctype.h>
#include <stdio.h>
#include "ansidecl.h"
#include "bfd.h"
#include "symcat.h"
#include "fr30-desc.h"
#include "fr30-opc.h"
#include "opintl.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 int
parse_register_number (strp)
const char **strp;
{
int regno;
if (**strp < '0' || **strp > '9')
return -1;
regno = **strp - '0';
++*strp;
if (**strp >= '0' && **strp <= '9')
{
regno = regno * 10 + (**strp - '0');
++*strp;
}
return regno;
}
static const char *
parse_register_list (cd, strp, opindex, valuep, high_low, load_store)
CGEN_CPU_DESC cd;
const char **strp;
int opindex;
unsigned long *valuep;
int high_low;
int load_store;
{
int regno;
*valuep = 0;
while (**strp && **strp != ')')
{
if (**strp != 'R' && **strp != 'r')
break;
++*strp;
regno = parse_register_number (strp);
if (regno == -1)
return "Register number is not valid";
if (regno > 7 && !high_low)
return "Register must be between r0 and r7";
if (regno < 8 && high_low)
return "Register must be between r8 and r15";
if (high_low)
regno -= 8;
if (load_store)
*valuep |= 0x80 >> regno;
else
*valuep |= 1 << regno;
if (**strp == ',')
{
if (*(*strp + 1) == ')')
break;
++*strp;
}
}
if (!*strp || **strp != ')')
return "Register list is not valid";
return NULL;
}
static const char *
parse_low_register_list_ld (cd, strp, opindex, valuep)
CGEN_CPU_DESC cd;
const char **strp;
int opindex;
unsigned long *valuep;
{
return parse_register_list (cd, strp, opindex, valuep, 0, 0);
}
static const char *
parse_hi_register_list_ld (cd, strp, opindex, valuep)
CGEN_CPU_DESC cd;
const char **strp;
int opindex;
unsigned long *valuep;
{
return parse_register_list (cd, strp, opindex, valuep, 1, 0);
}
static const char *
parse_low_register_list_st (cd, strp, opindex, valuep)
CGEN_CPU_DESC cd;
const char **strp;
int opindex;
unsigned long *valuep;
{
return parse_register_list (cd, strp, opindex, valuep, 0, 1);
}
static const char *
parse_hi_register_list_st (cd, strp, opindex, valuep)
CGEN_CPU_DESC cd;
const char **strp;
int opindex;
unsigned long *valuep;
{
return parse_register_list (cd, strp, opindex, valuep, 1, 1);
}
const char *
fr30_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;
switch (opindex)
{
case FR30_OPERAND_CRI :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_cr_names, & fields->f_CRi);
break;
case FR30_OPERAND_CRJ :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_cr_names, & fields->f_CRj);
break;
case FR30_OPERAND_R13 :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_r13, & junk);
break;
case FR30_OPERAND_R14 :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_r14, & junk);
break;
case FR30_OPERAND_R15 :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_r15, & junk);
break;
case FR30_OPERAND_RI :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Ri);
break;
case FR30_OPERAND_RIC :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Ric);
break;
case FR30_OPERAND_RJ :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Rj);
break;
case FR30_OPERAND_RJC :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Rjc);
break;
case FR30_OPERAND_RS1 :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_dr_names, & fields->f_Rs1);
break;
case FR30_OPERAND_RS2 :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_dr_names, & fields->f_Rs2);
break;
case FR30_OPERAND_CC :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_CC, &fields->f_cc);
break;
case FR30_OPERAND_CCC :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_CCC, &fields->f_ccc);
break;
case FR30_OPERAND_DIR10 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_DIR10, &fields->f_dir10);
break;
case FR30_OPERAND_DIR8 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_DIR8, &fields->f_dir8);
break;
case FR30_OPERAND_DIR9 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_DIR9, &fields->f_dir9);
break;
case FR30_OPERAND_DISP10 :
errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_DISP10, &fields->f_disp10);
break;
case FR30_OPERAND_DISP8 :
errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_DISP8, &fields->f_disp8);
break;
case FR30_OPERAND_DISP9 :
errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_DISP9, &fields->f_disp9);
break;
case FR30_OPERAND_I20 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_I20, &fields->f_i20);
break;
case FR30_OPERAND_I32 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_I32, &fields->f_i32);
break;
case FR30_OPERAND_I8 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_I8, &fields->f_i8);
break;
case FR30_OPERAND_LABEL12 :
{
bfd_vma value;
errmsg = cgen_parse_address (cd, strp, FR30_OPERAND_LABEL12, 0, NULL, & value);
fields->f_rel12 = value;
}
break;
case FR30_OPERAND_LABEL9 :
{
bfd_vma value;
errmsg = cgen_parse_address (cd, strp, FR30_OPERAND_LABEL9, 0, NULL, & value);
fields->f_rel9 = value;
}
break;
case FR30_OPERAND_M4 :
errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_M4, &fields->f_m4);
break;
case FR30_OPERAND_PS :
errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_ps, & junk);
break;
case FR30_OPERAND_REGLIST_HI_LD :
errmsg = parse_hi_register_list_ld (cd, strp, FR30_OPERAND_REGLIST_HI_LD, &fields->f_reglist_hi_ld);
break;
case FR30_OPERAND_REGLIST_HI_ST :
errmsg = parse_hi_register_list_st (cd, strp, FR30_OPERAND_REGLIST_HI_ST, &fields->f_reglist_hi_st);
break;
case FR30_OPERAND_REGLIST_LOW_LD :
errmsg = parse_low_register_list_ld (cd, strp, FR30_OPERAND_REGLIST_LOW_LD, &fields->f_reglist_low_ld);
break;
case FR30_OPERAND_REGLIST_LOW_ST :
errmsg = parse_low_register_list_st (cd, strp, FR30_OPERAND_REGLIST_LOW_ST, &fields->f_reglist_low_st);
break;
case FR30_OPERAND_S10 :
errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_S10, &fields->f_s10);
break;
case FR30_OPERAND_U10 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U10, &fields->f_u10);
break;
case FR30_OPERAND_U4 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U4, &fields->f_u4);
break;
case FR30_OPERAND_U4C :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U4C, &fields->f_u4c);
break;
case FR30_OPERAND_U8 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U8, &fields->f_u8);
break;
case FR30_OPERAND_UDISP6 :
errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_UDISP6, &fields->f_udisp6);
break;
default :
fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
abort ();
}
return errmsg;
}
cgen_parse_fn * const fr30_cgen_parse_handlers[] =
{
parse_insn_normal,
};
void
fr30_cgen_init_asm (cd)
CGEN_CPU_DESC cd;
{
fr30_cgen_init_opcode_table (cd);
fr30_cgen_init_ibld_table (cd);
cd->parse_handlers = & fr30_cgen_parse_handlers[0];
cd->parse_operand = fr30_cgen_parse_operand;
}
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 unsigned char * 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 (* syn == ' ')
past_opcode_p = 1;
#endif
++ syn;
++ str;
}
else
{
static char msg [80];
sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
*syn, *str);
return msg;
}
continue;
}
errmsg = fr30_cgen_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 *
fr30_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 *tmp_errmsg = NULL;
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;
#ifdef CGEN_VALIDATE_INSN_SUPPORTED
if (! fr30_cgen_insn_supported (cd, insn))
continue;
#endif
if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAX) != 0)
continue;
str = start;
CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
tmp_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
if (tmp_errmsg != NULL)
continue;
tmp_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
(bfd_vma) 0);
if (tmp_errmsg != NULL)
continue;
return insn;
}
if (tmp_errmsg == NULL)
tmp_errmsg = "unknown mnemonic";
{
static char errbuf[150];
#ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
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
fr30_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 (! fr30_cgen_opval_supported (ke))
continue;
#endif
cgen_asm_record_register (cd, ke->name, ke->value);
}
}
#endif