#include "sysdep.h"
#include <stdio.h>
#include "ansidecl.h"
#include "bfd.h"
#include "symcat.h"
#include "mep-desc.h"
#include "mep-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 *);
#define CGEN_VALIDATE_INSN_SUPPORTED
const char * parse_csrn (CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *);
const char * parse_tpreg (CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *);
const char * parse_spreg (CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *);
const char * parse_mep_align (CGEN_CPU_DESC, const char **, enum cgen_operand_type, long *);
const char * parse_mep_alignu (CGEN_CPU_DESC, const char **, enum cgen_operand_type, unsigned long *);
static const char * parse_signed16 (CGEN_CPU_DESC, const char **, int, long *);
static const char * parse_unsigned16 (CGEN_CPU_DESC, const char **, int, unsigned long *);
static const char * parse_lo16 (CGEN_CPU_DESC, const char **, int, long *, long);
static const char * parse_unsigned7 (CGEN_CPU_DESC, const char **, enum cgen_operand_type, unsigned long *);
static const char * parse_zero (CGEN_CPU_DESC, const char **, int, long *);
const char *
parse_csrn (CGEN_CPU_DESC cd, const char **strp,
CGEN_KEYWORD *keyword_table, long *field)
{
const char *err;
unsigned long value;
err = cgen_parse_keyword (cd, strp, keyword_table, field);
if (!err)
return NULL;
err = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CSRN_IDX, & value);
if (err)
return err;
*field = value;
return NULL;
}
static const char *
parse_fmax_cr (CGEN_CPU_DESC cd,
const char **strp,
CGEN_KEYWORD *keyword_table ATTRIBUTE_UNUSED,
long *field)
{
return cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr_fmax, field);
}
static const char *
parse_fmax_ccr (CGEN_CPU_DESC cd,
const char **strp,
CGEN_KEYWORD *keyword_table ATTRIBUTE_UNUSED,
long *field)
{
return cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_fmax, field);
}
const char *
parse_tpreg (CGEN_CPU_DESC cd, const char ** strp,
CGEN_KEYWORD *keyword_table, long *field)
{
const char *err;
err = cgen_parse_keyword (cd, strp, keyword_table, field);
if (err)
return err;
if (*field != 13)
return _("Only $tp or $13 allowed for this opcode");
return NULL;
}
const char *
parse_spreg (CGEN_CPU_DESC cd, const char ** strp,
CGEN_KEYWORD *keyword_table, long *field)
{
const char *err;
err = cgen_parse_keyword (cd, strp, keyword_table, field);
if (err)
return err;
if (*field != 15)
return _("Only $sp or $15 allowed for this opcode");
return NULL;
}
const char *
parse_mep_align (CGEN_CPU_DESC cd, const char ** strp,
enum cgen_operand_type type, long *field)
{
long lsbs = 0;
const char *err;
switch (type)
{
case MEP_OPERAND_PCREL8A2:
case MEP_OPERAND_PCREL12A2:
case MEP_OPERAND_PCREL17A2:
case MEP_OPERAND_PCREL24A2:
case MEP_OPERAND_CDISP8A2:
case MEP_OPERAND_CDISP8A4:
case MEP_OPERAND_CDISP8A8:
err = cgen_parse_signed_integer (cd, strp, type, field);
break;
case MEP_OPERAND_PCABS24A2:
case MEP_OPERAND_UDISP7:
case MEP_OPERAND_UDISP7A2:
case MEP_OPERAND_UDISP7A4:
case MEP_OPERAND_UIMM7A4:
case MEP_OPERAND_ADDR24A4:
err = cgen_parse_unsigned_integer (cd, strp, type, (unsigned long *) field);
break;
default:
abort();
}
if (err)
return err;
switch (type)
{
case MEP_OPERAND_UDISP7:
lsbs = 0;
break;
case MEP_OPERAND_PCREL8A2:
case MEP_OPERAND_PCREL12A2:
case MEP_OPERAND_PCREL17A2:
case MEP_OPERAND_PCREL24A2:
case MEP_OPERAND_PCABS24A2:
case MEP_OPERAND_UDISP7A2:
case MEP_OPERAND_CDISP8A2:
lsbs = *field & 1;
break;
case MEP_OPERAND_UDISP7A4:
case MEP_OPERAND_UIMM7A4:
case MEP_OPERAND_ADDR24A4:
case MEP_OPERAND_CDISP8A4:
lsbs = *field & 3;
break;
case MEP_OPERAND_CDISP8A8:
lsbs = *field & 7;
break;
default:
abort ();
}
if (lsbs)
return "Value is not aligned enough";
return NULL;
}
const char *
parse_mep_alignu (CGEN_CPU_DESC cd, const char ** strp,
enum cgen_operand_type type, unsigned long *field)
{
return parse_mep_align (cd, strp, type, (long *) field);
}
static const char *
parse_signed16 (CGEN_CPU_DESC cd,
const char **strp,
int opindex,
long *valuep)
{
return parse_lo16 (cd, strp, opindex, valuep, 1);
}
static const char *
parse_lo16 (CGEN_CPU_DESC cd,
const char **strp,
int opindex,
long *valuep,
long signedp)
{
const char *errmsg;
enum cgen_parse_operand_result result_type;
bfd_vma value;
if (strncasecmp (*strp, "%lo(", 4) == 0)
{
*strp += 4;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_LOW16,
& result_type, & value);
if (**strp != ')')
return _("missing `)'");
++*strp;
if (errmsg == NULL
&& result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
value &= 0xffff;
if (signedp)
*valuep = (long)(short) value;
else
*valuep = value;
return errmsg;
}
if (strncasecmp (*strp, "%hi(", 4) == 0)
{
*strp += 4;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16S,
& result_type, & value);
if (**strp != ')')
return _("missing `)'");
++*strp;
if (errmsg == NULL
&& result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
value = (value + 0x8000) >> 16;
*valuep = value;
return errmsg;
}
if (strncasecmp (*strp, "%uhi(", 5) == 0)
{
*strp += 5;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16U,
& result_type, & value);
if (**strp != ')')
return _("missing `)'");
++*strp;
if (errmsg == NULL
&& result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
value = value >> 16;
*valuep = value;
return errmsg;
}
if (strncasecmp (*strp, "%sdaoff(", 8) == 0)
{
*strp += 8;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_GPREL,
NULL, & value);
if (**strp != ')')
return _("missing `)'");
++*strp;
*valuep = value;
return errmsg;
}
if (strncasecmp (*strp, "%tpoff(", 7) == 0)
{
*strp += 7;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_TPREL,
NULL, & value);
if (**strp != ')')
return _("missing `)'");
++*strp;
*valuep = value;
return errmsg;
}
if (**strp == '%')
return _("invalid %function() here");
return cgen_parse_signed_integer (cd, strp, opindex, valuep);
}
static const char *
parse_unsigned16 (CGEN_CPU_DESC cd,
const char **strp,
int opindex,
unsigned long *valuep)
{
return parse_lo16 (cd, strp, opindex, (long *) valuep, 0);
}
static const char *
parse_zero (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 (strncmp (*strp, "($", 2) == 0)
return "not zero";
if (strncasecmp (*strp, "%lo(", 4) == 0)
{
*strp += 4;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_LOW16,
&result_type, &value);
if (**strp != ')')
return "missing `)'";
++*strp;
if (errmsg == NULL
&& (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
return "not zero";
*valuep = value;
return errmsg;
}
if (strncasecmp (*strp, "%hi(", 4) == 0)
{
*strp += 4;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16S,
&result_type, &value);
if (**strp != ')')
return "missing `)'";
++*strp;
if (errmsg == NULL
&& (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
return "not zero";
*valuep = value;
return errmsg;
}
if (strncasecmp (*strp, "%uhi(", 5) == 0)
{
*strp += 5;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16U,
&result_type, &value);
if (**strp != ')')
return "missing `)'";
++*strp;
if (errmsg == NULL
&& (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
return "not zero";
*valuep = value;
return errmsg;
}
if (strncasecmp (*strp, "%sdaoff(", 8) == 0)
{
*strp += 8;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_GPREL,
&result_type, &value);
if (**strp != ')')
return "missing `)'";
++*strp;
if (errmsg == NULL
&& (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
return "not zero";
*valuep = value;
return errmsg;
}
if (strncasecmp (*strp, "%tpoff(", 7) == 0)
{
*strp += 7;
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_TPREL,
&result_type, &value);
if (**strp != ')')
return "missing `)'";
++*strp;
if (errmsg == NULL
&& (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
return "not zero";
*valuep = value;
return errmsg;
}
if (**strp == '%')
return "invalid %function() here";
errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_NONE,
&result_type, &value);
if (errmsg == NULL
&& (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
return "not zero";
return errmsg;
}
static const char *
parse_unsigned7 (CGEN_CPU_DESC cd, const char **strp,
enum cgen_operand_type opindex, unsigned long *valuep)
{
const char *errmsg;
bfd_vma value;
if (strncasecmp (*strp, "%tpoff(", 7) == 0)
{
int reloc;
*strp += 7;
switch (opindex)
{
case MEP_OPERAND_UDISP7:
reloc = BFD_RELOC_MEP_TPREL7;
break;
case MEP_OPERAND_UDISP7A2:
reloc = BFD_RELOC_MEP_TPREL7A2;
break;
case MEP_OPERAND_UDISP7A4:
reloc = BFD_RELOC_MEP_TPREL7A4;
break;
default:
abort ();
}
errmsg = cgen_parse_address (cd, strp, opindex, reloc,
NULL, &value);
if (**strp != ')')
return "missing `)'";
++*strp;
*valuep = value;
return errmsg;
}
if (**strp == '%')
return _("invalid %function() here");
return parse_mep_alignu (cd, strp, opindex, valuep);
}
#define MAXARGS 9
typedef struct
{
char *name;
char *expansion;
} macro;
typedef struct
{
const char *start;
int len;
} arg;
macro macros[] =
{
{ "sizeof", "(`1.end + (- `1))"},
{ "startof", "(`1 | 0)" },
{ "align4", "(`1&(~3))"},
{ 0,0 }
};
static char * expand_string (const char *, int);
static const char *
mep_cgen_expand_macros_and_parse_operand
(CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
static char *
str_append (char *dest, const char *input, int len)
{
char *new_dest;
int oldlen;
if (len == 0)
return dest;
oldlen = (dest ? strlen(dest) : 0);
new_dest = realloc (dest, oldlen + len + 1);
memset (new_dest + oldlen, 0, len + 1);
return strncat (new_dest, input, len);
}
static macro *
lookup_macro (const char *name)
{
macro *m;
for (m = macros; m->name; ++m)
if (strncmp (m->name, name, strlen(m->name)) == 0)
return m;
return 0;
}
static char *
expand_macro (arg *args, int narg, macro *mac)
{
char *result = 0, *rescanned_result = 0;
char *e = mac->expansion;
char *mark = e;
int arg = 0;
while (*e)
{
if (*e == '`' &&
(*e+1) &&
((*(e + 1) - '1') <= MAXARGS) &&
((*(e + 1) - '1') <= narg))
{
result = str_append (result, mark, e - mark);
arg = (*(e + 1) - '1');
result = str_append (result, args[arg].start, args[arg].len);
++e;
mark = e+1;
}
++e;
}
if (mark != e)
result = str_append (result, mark, e - mark);
if (result)
{
rescanned_result = expand_string (result, 0);
free (result);
return rescanned_result;
}
else
return result;
}
#define IN_TEXT 0
#define IN_ARGS 1
static char *
expand_string (const char *in, int first_only)
{
int num_expansions = 0;
int depth = 0;
int narg = -1;
arg args[MAXARGS];
int state = IN_TEXT;
const char *mark = in;
macro *macro = 0;
char *expansion = 0;
char *result = 0;
while (*in)
{
switch (state)
{
case IN_TEXT:
if (*in == '%' && *(in + 1) && (!first_only || num_expansions == 0))
{
macro = lookup_macro (in + 1);
if (macro)
{
result = str_append (result, mark, in - mark);
mark = in;
in += 1 + strlen (macro->name);
while (*in == ' ') ++in;
if (*in != '(')
{
state = IN_TEXT;
macro = 0;
}
else
{
state = IN_ARGS;
narg = 0;
args[narg].start = in + 1;
args[narg].len = 0;
mark = in + 1;
}
}
}
break;
case IN_ARGS:
if (depth == 0)
{
switch (*in)
{
case ',':
narg++;
args[narg].start = (in + 1);
args[narg].len = 0;
break;
case ')':
state = IN_TEXT;
if (macro)
{
expansion = 0;
expansion = expand_macro (args, narg, macro);
num_expansions++;
if (expansion)
{
result = str_append (result, expansion, strlen (expansion));
free (expansion);
}
}
else
{
result = str_append (result, mark, in - mark);
}
macro = 0;
mark = in + 1;
break;
case '(':
depth++;
default:
args[narg].len++;
break;
}
}
else
{
if (*in == ')')
depth--;
if (narg > -1)
args[narg].len++;
}
}
++in;
}
if (mark != in)
result = str_append (result, mark, in - mark);
return result;
}
#undef IN_ARGS
#undef IN_TEXT
#undef MAXARGS
const char * mep_cgen_parse_operand
(CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
const char *
mep_cgen_expand_macros_and_parse_operand (CGEN_CPU_DESC cd, int opindex,
const char ** strp_in, CGEN_FIELDS * fields)
{
const char * errmsg = NULL;
char *str = 0, *hold = 0;
const char **strp = 0;
str = expand_string (*strp_in, 1);
hold = str;
strp = (const char **)(&str);
errmsg = mep_cgen_parse_operand (cd, opindex, strp, fields);
if (strlen (str) == 0)
*strp_in += strlen (*strp_in);
else
{
if (strstr (*strp_in, str))
*strp_in = strstr (*strp_in, str);
else
*strp_in += (str - hold);
}
if (hold)
free (hold);
return errmsg;
}
#define CGEN_ASM_INIT_HOOK (cd->parse_operand = mep_cgen_expand_macros_and_parse_operand);
const char * mep_cgen_parse_operand
(CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
const char *
mep_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 MEP_OPERAND_ADDR24A4 :
errmsg = parse_mep_alignu (cd, strp, MEP_OPERAND_ADDR24A4, (unsigned long *) (& fields->f_24u8a4n));
break;
case MEP_OPERAND_CALLNUM :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CALLNUM, (unsigned long *) (& fields->f_callnum));
break;
case MEP_OPERAND_CCCC :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CCCC, (unsigned long *) (& fields->f_rm));
break;
case MEP_OPERAND_CCRN :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr, & fields->f_ccrn);
break;
case MEP_OPERAND_CDISP8 :
errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_CDISP8, (long *) (& fields->f_8s24));
break;
case MEP_OPERAND_CDISP8A2 :
errmsg = parse_mep_align (cd, strp, MEP_OPERAND_CDISP8A2, (long *) (& fields->f_8s24a2));
break;
case MEP_OPERAND_CDISP8A4 :
errmsg = parse_mep_align (cd, strp, MEP_OPERAND_CDISP8A4, (long *) (& fields->f_8s24a4));
break;
case MEP_OPERAND_CDISP8A8 :
errmsg = parse_mep_align (cd, strp, MEP_OPERAND_CDISP8A8, (long *) (& fields->f_8s24a8));
break;
case MEP_OPERAND_CIMM4 :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CIMM4, (unsigned long *) (& fields->f_rn));
break;
case MEP_OPERAND_CIMM5 :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CIMM5, (unsigned long *) (& fields->f_5u24));
break;
case MEP_OPERAND_CODE16 :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CODE16, (unsigned long *) (& fields->f_16u16));
break;
case MEP_OPERAND_CODE24 :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CODE24, (unsigned long *) (& fields->f_24u4n));
break;
case MEP_OPERAND_CP_FLAG :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr, & junk);
break;
case MEP_OPERAND_CRN :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr, & fields->f_crn);
break;
case MEP_OPERAND_CRN64 :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_crn);
break;
case MEP_OPERAND_CRNX :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr, & fields->f_crnx);
break;
case MEP_OPERAND_CRNX64 :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_crnx);
break;
case MEP_OPERAND_CSRN :
errmsg = parse_csrn (cd, strp, & mep_cgen_opval_h_csr, & fields->f_csrn);
break;
case MEP_OPERAND_CSRN_IDX :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CSRN_IDX, (unsigned long *) (& fields->f_csrn));
break;
case MEP_OPERAND_DBG :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_DEPC :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_EPC :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_EXC :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_FMAX_CCRN :
errmsg = parse_fmax_ccr (cd, strp, & mep_cgen_opval_h_ccr, & fields->f_fmax_4_4);
break;
case MEP_OPERAND_FMAX_FRD :
errmsg = parse_fmax_cr (cd, strp, & mep_cgen_opval_h_cr, & fields->f_fmax_frd);
break;
case MEP_OPERAND_FMAX_FRD_INT :
errmsg = parse_fmax_cr (cd, strp, & mep_cgen_opval_h_cr, & fields->f_fmax_frd);
break;
case MEP_OPERAND_FMAX_FRM :
errmsg = parse_fmax_cr (cd, strp, & mep_cgen_opval_h_cr, & fields->f_fmax_frm);
break;
case MEP_OPERAND_FMAX_FRN :
errmsg = parse_fmax_cr (cd, strp, & mep_cgen_opval_h_cr, & fields->f_fmax_frn);
break;
case MEP_OPERAND_FMAX_FRN_INT :
errmsg = parse_fmax_cr (cd, strp, & mep_cgen_opval_h_cr, & fields->f_fmax_frn);
break;
case MEP_OPERAND_FMAX_RM :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_fmax_rm);
break;
case MEP_OPERAND_HI :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_LO :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_LP :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_MB0 :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_MB1 :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_ME0 :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_ME1 :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_NPC :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_OPT :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_PCABS24A2 :
errmsg = parse_mep_alignu (cd, strp, MEP_OPERAND_PCABS24A2, (unsigned long *) (& fields->f_24u5a2n));
break;
case MEP_OPERAND_PCREL12A2 :
errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL12A2, (long *) (& fields->f_12s4a2));
break;
case MEP_OPERAND_PCREL17A2 :
errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL17A2, (long *) (& fields->f_17s16a2));
break;
case MEP_OPERAND_PCREL24A2 :
errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL24A2, (long *) (& fields->f_24s5a2n));
break;
case MEP_OPERAND_PCREL8A2 :
errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL8A2, (long *) (& fields->f_8s8a2));
break;
case MEP_OPERAND_PSW :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_R0 :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
break;
case MEP_OPERAND_R1 :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
break;
case MEP_OPERAND_RL :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rl);
break;
case MEP_OPERAND_RM :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rm);
break;
case MEP_OPERAND_RMA :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rm);
break;
case MEP_OPERAND_RN :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
break;
case MEP_OPERAND_RN3 :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
break;
case MEP_OPERAND_RN3C :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
break;
case MEP_OPERAND_RN3L :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
break;
case MEP_OPERAND_RN3S :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
break;
case MEP_OPERAND_RN3UC :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
break;
case MEP_OPERAND_RN3UL :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
break;
case MEP_OPERAND_RN3US :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
break;
case MEP_OPERAND_RNC :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
break;
case MEP_OPERAND_RNL :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
break;
case MEP_OPERAND_RNS :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
break;
case MEP_OPERAND_RNUC :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
break;
case MEP_OPERAND_RNUL :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
break;
case MEP_OPERAND_RNUS :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
break;
case MEP_OPERAND_SAR :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
break;
case MEP_OPERAND_SDISP16 :
errmsg = parse_signed16 (cd, strp, MEP_OPERAND_SDISP16, (long *) (& fields->f_16s16));
break;
case MEP_OPERAND_SIMM16 :
errmsg = parse_signed16 (cd, strp, MEP_OPERAND_SIMM16, (long *) (& fields->f_16s16));
break;
case MEP_OPERAND_SIMM6 :
errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM6, (long *) (& fields->f_6s8));
break;
case MEP_OPERAND_SIMM8 :
errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM8, (long *) (& fields->f_8s8));
break;
case MEP_OPERAND_SP :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
break;
case MEP_OPERAND_SPR :
errmsg = parse_spreg (cd, strp, & mep_cgen_opval_h_gpr, & junk);
break;
case MEP_OPERAND_TP :
errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
break;
case MEP_OPERAND_TPR :
errmsg = parse_tpreg (cd, strp, & mep_cgen_opval_h_gpr, & junk);
break;
case MEP_OPERAND_UDISP2 :
errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_UDISP2, (long *) (& fields->f_2u6));
break;
case MEP_OPERAND_UDISP7 :
errmsg = parse_unsigned7 (cd, strp, MEP_OPERAND_UDISP7, (unsigned long *) (& fields->f_7u9));
break;
case MEP_OPERAND_UDISP7A2 :
errmsg = parse_unsigned7 (cd, strp, MEP_OPERAND_UDISP7A2, (unsigned long *) (& fields->f_7u9a2));
break;
case MEP_OPERAND_UDISP7A4 :
errmsg = parse_unsigned7 (cd, strp, MEP_OPERAND_UDISP7A4, (unsigned long *) (& fields->f_7u9a4));
break;
case MEP_OPERAND_UIMM16 :
errmsg = parse_unsigned16 (cd, strp, MEP_OPERAND_UIMM16, (unsigned long *) (& fields->f_16u16));
break;
case MEP_OPERAND_UIMM2 :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM2, (unsigned long *) (& fields->f_2u10));
break;
case MEP_OPERAND_UIMM24 :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM24, (unsigned long *) (& fields->f_24u8n));
break;
case MEP_OPERAND_UIMM3 :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM3, (unsigned long *) (& fields->f_3u5));
break;
case MEP_OPERAND_UIMM4 :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM4, (unsigned long *) (& fields->f_4u8));
break;
case MEP_OPERAND_UIMM5 :
errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM5, (unsigned long *) (& fields->f_5u8));
break;
case MEP_OPERAND_UIMM7A4 :
errmsg = parse_mep_alignu (cd, strp, MEP_OPERAND_UIMM7A4, (unsigned long *) (& fields->f_7u9a4));
break;
case MEP_OPERAND_ZERO :
errmsg = parse_zero (cd, strp, MEP_OPERAND_ZERO, (long *) (& junk));
break;
default :
fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
abort ();
}
return errmsg;
}
cgen_parse_fn * const mep_cgen_parse_handlers[] =
{
parse_insn_normal,
};
void
mep_cgen_init_asm (CGEN_CPU_DESC cd)
{
mep_cgen_init_opcode_table (cd);
mep_cgen_init_ibld_table (cd);
cd->parse_handlers = & mep_cgen_parse_handlers[0];
cd->parse_operand = mep_cgen_parse_operand;
#ifdef CGEN_ASM_INIT_HOOK
CGEN_ASM_INIT_HOOK
#endif
}
char *
mep_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 *
mep_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 (! mep_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;
}
}