+/* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */
/* Assembler interface for targets using CGEN. -*- C -*-
CGEN: Cpu tools GENerator
-THIS FILE IS USED TO GENERATE fr30-asm.c.
+ THIS FILE IS MACHINE GENERATED WITH CGEN.
+ - the resultant file is machine generated, cgen-asm.in isn't
-Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1996-2020 Free Software Foundation, Inc.
-This file is part of the GNU Binutils and GDB, the GNU debugger.
+ This file is part of libopcodes.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+ This library is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ It is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software Foundation, Inc.,
-59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+
+
+/* ??? Eventually more and more of this stuff can go to cpu-independent files.
+ Keep that in mind. */
#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"
+#include "xregex.h"
+#include "libiberty.h"
+#include "safe-ctype.h"
-#undef min
+#undef min
#define min(a,b) ((a) < (b) ? (a) : (b))
-#undef max
+#undef max
#define max(a,b) ((a) > (b) ? (a) : (b))
-#undef INLINE
-#ifdef __GNUC__
-#define INLINE __inline__
-#else
-#define INLINE
-#endif
-
-/* Used by the ifield rtx function. */
-#define FLD(f) (fields->f)
-
-static const char * insert_normal
- PARAMS ((CGEN_OPCODE_DESC, long, unsigned int, unsigned int, unsigned int,
- unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR));
static const char * parse_insn_normal
- PARAMS ((CGEN_OPCODE_DESC, const CGEN_INSN *,
- const char **, CGEN_FIELDS *));
-static const char * insert_insn_normal
- PARAMS ((CGEN_OPCODE_DESC, const CGEN_INSN *,
- CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma));
+ (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *);
\f
-/* -- assembler routines inserted here */
+/* -- assembler routines inserted here. */
+
/* -- asm.c */
-/* Handle register lists for LDMx and STMx */
+/* Handle register lists for LDMx and STMx. */
+
+static int
+parse_register_number (const char **strp)
+{
+ int regno;
+
+ if (**strp < '0' || **strp > '9')
+ return -1; /* Error. */
+ regno = **strp - '0';
+ ++*strp;
+
+ if (**strp >= '0' && **strp <= '9')
+ {
+ regno = regno * 10 + (**strp - '0');
+ ++*strp;
+ }
+
+ return regno;
+}
static const char *
-parse_low_register_list (od, strp, opindex, valuep)
- CGEN_OPCODE_DESC od;
- const char **strp;
- int opindex;
- unsigned long *valuep;
+parse_register_list (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
+ const char **strp,
+ int opindex ATTRIBUTE_UNUSED,
+ unsigned long *valuep,
+ int high_low, /* 0 == high, 1 == low. */
+ int load_store) /* 0 == load, 1 == store. */
{
*valuep = 0;
while (**strp && **strp != ')')
{
+ int regno;
+
+ 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) /* Mask is reversed for store. */
+ *valuep |= 0x80 >> regno;
+ else
+ *valuep |= 1 << regno;
+
+ if (**strp == ',')
+ {
+ if (*(*strp + 1) == ')')
+ break;
+ ++*strp;
+ }
}
- if (!*strp)
- return "Register list is not valid";
+ if (!*strp || **strp != ')')
+ return _("Register list is not valid");
return NULL;
}
static const char *
-parse_hi_register_list (od, strp, opindex, valuep)
- CGEN_OPCODE_DESC od;
- const char **strp;
- int opindex;
- unsigned long *valuep;
+parse_low_register_list_ld (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ unsigned long *valuep)
+{
+ return parse_register_list (cd, strp, opindex, valuep,
+ 0 /* Low. */, 0 /* Load. */);
+}
+
+static const char *
+parse_hi_register_list_ld (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ unsigned long *valuep)
+{
+ return parse_register_list (cd, strp, opindex, valuep,
+ 1 /* High. */, 0 /* Load. */);
+}
+
+static const char *
+parse_low_register_list_st (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ unsigned long *valuep)
+{
+ return parse_register_list (cd, strp, opindex, valuep,
+ 0 /* Low. */, 1 /* Store. */);
+}
+
+static const char *
+parse_hi_register_list_st (CGEN_CPU_DESC cd,
+ const char **strp,
+ int opindex,
+ unsigned long *valuep)
{
- return parse_low_register_list (od, strp, opindex, valuep);
+ return parse_register_list (cd, strp, opindex, valuep,
+ 1 /* High. */, 1 /* Store. */);
}
/* -- */
+const char * fr30_cgen_parse_operand
+ (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
+
/* Main entry point for operand parsing.
This function is basically just a big switch statement. Earlier versions
This function could be moved into `parse_insn_normal', but keeping it
separate makes clear the interface between `parse_insn_normal' and each of
- the handlers.
-*/
+ the handlers. */
const char *
-fr30_cgen_parse_operand (od, opindex, strp, fields)
- CGEN_OPCODE_DESC od;
- int opindex;
- const char ** strp;
- CGEN_FIELDS * fields;
+fr30_cgen_parse_operand (CGEN_CPU_DESC cd,
+ int opindex,
+ const char ** strp,
+ CGEN_FIELDS * fields)
{
- const char * errmsg;
+ const char * errmsg = NULL;
+ /* Used by scalar operands that still need to be parsed. */
+ long junk ATTRIBUTE_UNUSED;
switch (opindex)
{
- case FR30_OPERAND_RI :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_gr, & fields->f_Ri);
- break;
- case FR30_OPERAND_RJ :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_gr, & fields->f_Rj);
- break;
- case FR30_OPERAND_RIC :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_gr, & fields->f_Ric);
- break;
- case FR30_OPERAND_RJC :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_gr, & fields->f_Rjc);
- break;
case FR30_OPERAND_CRI :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_cr, & fields->f_CRi);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_cr_names, & fields->f_CRi);
break;
case FR30_OPERAND_CRJ :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_cr, & fields->f_CRj);
- break;
- case FR30_OPERAND_RS1 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_dr, & fields->f_Rs1);
- break;
- case FR30_OPERAND_RS2 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_dr, & fields->f_Rs2);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_cr_names, & fields->f_CRj);
break;
case FR30_OPERAND_R13 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_r13, & fields->f_nil);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_r13, & junk);
break;
case FR30_OPERAND_R14 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_r14, & fields->f_nil);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_r14, & junk);
break;
case FR30_OPERAND_R15 :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_r15, & fields->f_nil);
- break;
- case FR30_OPERAND_PS :
- errmsg = cgen_parse_keyword (od, strp, & fr30_cgen_opval_h_ps, & fields->f_nil);
- break;
- case FR30_OPERAND_U4 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_U4, &fields->f_u4);
- break;
- case FR30_OPERAND_U4C :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_U4C, &fields->f_u4c);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_r15, & junk);
break;
- case FR30_OPERAND_U8 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_U8, &fields->f_u8);
- break;
- case FR30_OPERAND_I8 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_I8, &fields->f_i8);
- break;
- case FR30_OPERAND_UDISP6 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_UDISP6, &fields->f_udisp6);
- break;
- case FR30_OPERAND_DISP8 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_DISP8, &fields->f_disp8);
- break;
- case FR30_OPERAND_DISP9 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_DISP9, &fields->f_disp9);
- break;
- case FR30_OPERAND_DISP10 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_DISP10, &fields->f_disp10);
- break;
- case FR30_OPERAND_S10 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_S10, &fields->f_s10);
- break;
- case FR30_OPERAND_U10 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_U10, &fields->f_u10);
- break;
- case FR30_OPERAND_I32 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_I32, &fields->f_i32);
- break;
- case FR30_OPERAND_M4 :
- errmsg = cgen_parse_signed_integer (od, strp, FR30_OPERAND_M4, &fields->f_m4);
- break;
- case FR30_OPERAND_I20 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_I20, &fields->f_i20);
- break;
- case FR30_OPERAND_DIR8 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_DIR8, &fields->f_dir8);
- break;
- case FR30_OPERAND_DIR9 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_DIR9, &fields->f_dir9);
- break;
- case FR30_OPERAND_DIR10 :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_DIR10, &fields->f_dir10);
- break;
- case FR30_OPERAND_LABEL9 :
- {
- bfd_vma value;
- errmsg = cgen_parse_address (od, strp, FR30_OPERAND_LABEL9, 0, NULL, & value);
- fields->f_rel9 = value;
- }
- break;
- case FR30_OPERAND_LABEL12 :
- {
- bfd_vma value;
- errmsg = cgen_parse_address (od, strp, FR30_OPERAND_LABEL12, 0, NULL, & value);
- fields->f_rel12 = value;
- }
- break;
- case FR30_OPERAND_REGLIST_LOW :
- errmsg = parse_low_register_list (od, strp, FR30_OPERAND_REGLIST_LOW, &fields->f_reglist_low);
- break;
- case FR30_OPERAND_REGLIST_HI :
- errmsg = parse_hi_register_list (od, strp, FR30_OPERAND_REGLIST_HI, &fields->f_reglist_hi);
- break;
- case FR30_OPERAND_CC :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_CC, &fields->f_cc);
- break;
- case FR30_OPERAND_CCC :
- errmsg = cgen_parse_unsigned_integer (od, strp, FR30_OPERAND_CCC, &fields->f_ccc);
- break;
-
- default :
- /* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
- abort ();
- }
-
- return errmsg;
-}
-
-/* Main entry point for operand insertion.
-
- This function is basically just a big switch statement. Earlier versions
- used tables to look up the function to use, but
- - if the table contains both assembler and disassembler functions then
- the disassembler contains much of the assembler and vice-versa,
- - there's a lot of inlining possibilities as things grow,
- - using a switch statement avoids the function call overhead.
-
- This function could be moved into `parse_insn_normal', but keeping it
- separate makes clear the interface between `parse_insn_normal' and each of
- the handlers. It's also needed by GAS to insert operands that couldn't be
- resolved during parsing.
-*/
-
-const char *
-fr30_cgen_insert_operand (od, opindex, fields, buffer, pc)
- CGEN_OPCODE_DESC od;
- int opindex;
- CGEN_FIELDS * fields;
- CGEN_INSN_BYTES_PTR buffer;
- bfd_vma pc;
-{
- const char * errmsg;
- unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
-
- switch (opindex)
- {
case FR30_OPERAND_RI :
- errmsg = insert_normal (od, fields->f_Ri, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 16, total_length, buffer);
- break;
- case FR30_OPERAND_RJ :
- errmsg = insert_normal (od, fields->f_Rj, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, buffer);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Ri);
break;
case FR30_OPERAND_RIC :
- errmsg = insert_normal (od, fields->f_Ric, 0|(1<<CGEN_OPERAND_UNSIGNED), 16, 12, 4, 16, total_length, buffer);
- break;
- case FR30_OPERAND_RJC :
- errmsg = insert_normal (od, fields->f_Rjc, 0|(1<<CGEN_OPERAND_UNSIGNED), 16, 8, 4, 16, total_length, buffer);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Ric);
break;
- case FR30_OPERAND_CRI :
- errmsg = insert_normal (od, fields->f_CRi, 0|(1<<CGEN_OPERAND_UNSIGNED), 16, 12, 4, 16, total_length, buffer);
+ case FR30_OPERAND_RJ :
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Rj);
break;
- case FR30_OPERAND_CRJ :
- errmsg = insert_normal (od, fields->f_CRj, 0|(1<<CGEN_OPERAND_UNSIGNED), 16, 8, 4, 16, total_length, buffer);
+ case FR30_OPERAND_RJC :
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_gr_names, & fields->f_Rjc);
break;
case FR30_OPERAND_RS1 :
- errmsg = insert_normal (od, fields->f_Rs1, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, buffer);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_dr_names, & fields->f_Rs1);
break;
case FR30_OPERAND_RS2 :
- errmsg = insert_normal (od, fields->f_Rs2, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 16, total_length, buffer);
- break;
- case FR30_OPERAND_R13 :
- errmsg = insert_normal (od, fields->f_nil, 0, 0, 0, 0, 0, total_length, buffer);
- break;
- case FR30_OPERAND_R14 :
- errmsg = insert_normal (od, fields->f_nil, 0, 0, 0, 0, 0, total_length, buffer);
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_dr_names, & fields->f_Rs2);
break;
- case FR30_OPERAND_R15 :
- errmsg = insert_normal (od, fields->f_nil, 0, 0, 0, 0, 0, total_length, buffer);
- break;
- case FR30_OPERAND_PS :
- errmsg = insert_normal (od, fields->f_nil, 0, 0, 0, 0, 0, total_length, buffer);
+ case FR30_OPERAND_CC :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_CC, (unsigned long *) (& fields->f_cc));
break;
- case FR30_OPERAND_U4 :
- errmsg = insert_normal (od, fields->f_u4, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, buffer);
+ case FR30_OPERAND_CCC :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_CCC, (unsigned long *) (& fields->f_ccc));
break;
- case FR30_OPERAND_U4C :
- errmsg = insert_normal (od, fields->f_u4c, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 16, total_length, buffer);
+ case FR30_OPERAND_DIR10 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_DIR10, (unsigned long *) (& fields->f_dir10));
break;
- case FR30_OPERAND_U8 :
- errmsg = insert_normal (od, fields->f_u8, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, buffer);
+ case FR30_OPERAND_DIR8 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_DIR8, (unsigned long *) (& fields->f_dir8));
break;
- case FR30_OPERAND_I8 :
- errmsg = insert_normal (od, fields->f_i8, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 4, 8, 16, total_length, buffer);
+ case FR30_OPERAND_DIR9 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_DIR9, (unsigned long *) (& fields->f_dir9));
break;
- case FR30_OPERAND_UDISP6 :
- {
- long value = fields->f_udisp6;
- value = ((unsigned int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, buffer);
- }
+ case FR30_OPERAND_DISP10 :
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_DISP10, (long *) (& fields->f_disp10));
break;
case FR30_OPERAND_DISP8 :
- errmsg = insert_normal (od, fields->f_disp8, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGNED), 0, 4, 8, 16, total_length, buffer);
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_DISP8, (long *) (& fields->f_disp8));
break;
case FR30_OPERAND_DISP9 :
- {
- long value = fields->f_disp9;
- value = ((int) (value) >> (1));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGNED), 0, 4, 8, 16, total_length, buffer);
- }
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_DISP9, (long *) (& fields->f_disp9));
break;
- case FR30_OPERAND_DISP10 :
- {
- long value = fields->f_disp10;
- value = ((int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGNED), 0, 4, 8, 16, total_length, buffer);
- }
+ case FR30_OPERAND_I20 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_I20, (unsigned long *) (& fields->f_i20));
break;
- case FR30_OPERAND_S10 :
+ case FR30_OPERAND_I32 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_I32, (unsigned long *) (& fields->f_i32));
+ break;
+ case FR30_OPERAND_I8 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_I8, (unsigned long *) (& fields->f_i8));
+ break;
+ case FR30_OPERAND_LABEL12 :
{
- long value = fields->f_s10;
- value = ((int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGNED), 0, 8, 8, 16, total_length, buffer);
+ bfd_vma value = 0;
+ errmsg = cgen_parse_address (cd, strp, FR30_OPERAND_LABEL12, 0, NULL, & value);
+ fields->f_rel12 = value;
}
break;
- case FR30_OPERAND_U10 :
+ case FR30_OPERAND_LABEL9 :
{
- long value = fields->f_u10;
- value = ((unsigned int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, buffer);
+ bfd_vma value = 0;
+ errmsg = cgen_parse_address (cd, strp, FR30_OPERAND_LABEL9, 0, NULL, & value);
+ fields->f_rel9 = value;
}
break;
- case FR30_OPERAND_I32 :
- errmsg = insert_normal (od, fields->f_i32, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_SIGN_OPT)|(1<<CGEN_OPERAND_UNSIGNED), 16, 0, 32, 32, total_length, buffer);
- break;
case FR30_OPERAND_M4 :
- {
- long value = fields->f_m4;
- value = ((value) & (15));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 4, 16, total_length, buffer);
- }
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_M4, (long *) (& fields->f_m4));
break;
- case FR30_OPERAND_I20 :
- {
-do {
- FLD (f_i20_4) = ((unsigned int) (FLD (f_i20)) >> (16));
- FLD (f_i20_16) = ((FLD (f_i20)) & (65535));
-} while (0);
- errmsg = insert_normal (od, fields->f_i20_4, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED)|(1<<CGEN_OPERAND_VIRTUAL), 0, 8, 4, 16, total_length, buffer);
- if (errmsg)
- break;
- errmsg = insert_normal (od, fields->f_i20_16, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED)|(1<<CGEN_OPERAND_VIRTUAL), 16, 0, 16, 16, total_length, buffer);
- if (errmsg)
- break;
- }
+ case FR30_OPERAND_PS :
+ errmsg = cgen_parse_keyword (cd, strp, & fr30_cgen_opval_h_ps, & junk);
break;
- case FR30_OPERAND_DIR8 :
- errmsg = insert_normal (od, fields->f_dir8, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, buffer);
+ case FR30_OPERAND_REGLIST_HI_LD :
+ errmsg = parse_hi_register_list_ld (cd, strp, FR30_OPERAND_REGLIST_HI_LD, (unsigned long *) (& fields->f_reglist_hi_ld));
break;
- case FR30_OPERAND_DIR9 :
- {
- long value = fields->f_dir9;
- value = ((unsigned int) (value) >> (1));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, buffer);
- }
+ case FR30_OPERAND_REGLIST_HI_ST :
+ errmsg = parse_hi_register_list_st (cd, strp, FR30_OPERAND_REGLIST_HI_ST, (unsigned long *) (& fields->f_reglist_hi_st));
break;
- case FR30_OPERAND_DIR10 :
- {
- long value = fields->f_dir10;
- value = ((unsigned int) (value) >> (2));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, buffer);
- }
+ case FR30_OPERAND_REGLIST_LOW_LD :
+ errmsg = parse_low_register_list_ld (cd, strp, FR30_OPERAND_REGLIST_LOW_LD, (unsigned long *) (& fields->f_reglist_low_ld));
break;
- case FR30_OPERAND_LABEL9 :
- {
- long value = fields->f_rel9;
- value = ((int) (((value) - (((pc) + (2))))) >> (1));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_PCREL_ADDR)|(1<<CGEN_OPERAND_SIGNED), 0, 8, 8, 16, total_length, buffer);
- }
+ case FR30_OPERAND_REGLIST_LOW_ST :
+ errmsg = parse_low_register_list_st (cd, strp, FR30_OPERAND_REGLIST_LOW_ST, (unsigned long *) (& fields->f_reglist_low_st));
break;
- case FR30_OPERAND_LABEL12 :
- {
- long value = fields->f_rel12;
- value = ((int) (((value) - (((pc) + (2))))) >> (1));
- errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_PCREL_ADDR)|(1<<CGEN_OPERAND_SIGNED), 0, 5, 11, 16, total_length, buffer);
- }
+ case FR30_OPERAND_S10 :
+ errmsg = cgen_parse_signed_integer (cd, strp, FR30_OPERAND_S10, (long *) (& fields->f_s10));
break;
- case FR30_OPERAND_REGLIST_LOW :
- errmsg = insert_normal (od, fields->f_reglist_low, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, buffer);
+ case FR30_OPERAND_U10 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U10, (unsigned long *) (& fields->f_u10));
break;
- case FR30_OPERAND_REGLIST_HI :
- errmsg = insert_normal (od, fields->f_reglist_hi, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 8, 16, total_length, buffer);
+ case FR30_OPERAND_U4 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U4, (unsigned long *) (& fields->f_u4));
break;
- case FR30_OPERAND_CC :
- errmsg = insert_normal (od, fields->f_cc, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 4, 4, 16, total_length, buffer);
+ case FR30_OPERAND_U4C :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U4C, (unsigned long *) (& fields->f_u4c));
break;
- case FR30_OPERAND_CCC :
- errmsg = insert_normal (od, fields->f_ccc, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 16, 0, 8, 16, total_length, buffer);
+ case FR30_OPERAND_U8 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_U8, (unsigned long *) (& fields->f_u8));
+ break;
+ case FR30_OPERAND_UDISP6 :
+ errmsg = cgen_parse_unsigned_integer (cd, strp, FR30_OPERAND_UDISP6, (unsigned long *) (& fields->f_udisp6));
break;
default :
/* xgettext:c-format */
- fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
- opindex);
+ opcodes_error_handler
+ (_("internal error: unrecognized field %d while parsing"),
+ opindex);
abort ();
}
return errmsg;
}
-cgen_parse_fn * const fr30_cgen_parse_handlers[] =
+cgen_parse_fn * const fr30_cgen_parse_handlers[] =
{
- 0, /* default */
parse_insn_normal,
};
-cgen_insert_fn * const fr30_cgen_insert_handlers[] =
-{
- 0, /* default */
- insert_insn_normal,
-};
-
void
-fr30_cgen_init_asm (od)
- CGEN_OPCODE_DESC od;
+fr30_cgen_init_asm (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;
+#ifdef CGEN_ASM_INIT_HOOK
+CGEN_ASM_INIT_HOOK
+#endif
}
\f
-#if ! CGEN_INT_INSN_P
-/* Subroutine of insert_normal. */
+/* Regex construction routine.
-static INLINE void
-insert_1 (od, value, start, length, word_length, bufp)
- CGEN_OPCODE_DESC od;
- unsigned long value;
- int start,length,word_length;
- unsigned char *bufp;
-{
- unsigned long x,mask;
- int shift;
- int big_p = CGEN_OPCODE_INSN_ENDIAN (od) == CGEN_ENDIAN_BIG;
+ This translates an opcode syntax string into a regex string,
+ by replacing any non-character syntax element (such as an
+ opcode) with the pattern '.*'
- switch (word_length)
- {
- case 8:
- x = *bufp;
- break;
- case 16:
- if (big_p)
- x = bfd_getb16 (bufp);
- else
- x = bfd_getl16 (bufp);
- break;
- case 24:
- /* ??? This may need reworking as these cases don't necessarily
- want the first byte and the last two bytes handled like this. */
- if (big_p)
- x = (bufp[0] << 16) | bfd_getb16 (bufp + 1);
- else
- x = bfd_getl16 (bufp) | (bufp[2] << 16);
- break;
- case 32:
- if (big_p)
- x = bfd_getb32 (bufp);
- else
- x = bfd_getl32 (bufp);
- break;
- default :
- abort ();
- }
+ It then compiles the regex and stores it in the opcode, for
+ later use by fr30_cgen_assemble_insn
- /* Written this way to avoid undefined behaviour. */
- mask = (((1L << (length - 1)) - 1) << 1) | 1;
- if (CGEN_INSN_LSB0_P)
- shift = (start + 1) - length;
- else
- shift = (word_length - (start + length));
- x = (x & ~(mask << shift)) | ((value & mask) << shift);
+ Returns NULL for success, an error message for failure. */
- switch (word_length)
- {
- case 8:
- *bufp = x;
- break;
- case 16:
- if (big_p)
- bfd_putb16 (x, bufp);
- else
- bfd_putl16 (x, bufp);
- break;
- case 24:
- /* ??? This may need reworking as these cases don't necessarily
- want the first byte and the last two bytes handled like this. */
- if (big_p)
- {
- bufp[0] = x >> 16;
- bfd_putb16 (x, bufp + 1);
- }
- else
- {
- bfd_putl16 (x, bufp);
- bufp[2] = x >> 16;
- }
- break;
- case 32:
- if (big_p)
- bfd_putb32 (x, bufp);
- else
- bfd_putl32 (x, bufp);
- break;
- default :
- abort ();
- }
-}
-
-#endif /* ! CGEN_INT_INSN_P */
-
-/* Default insertion routine.
-
- ATTRS is a mask of the boolean attributes.
- WORD_OFFSET is the offset in bits from the start of the insn of the value.
- WORD_LENGTH is the length of the word in bits in which the value resides.
- START is the starting bit number in the word, architecture origin.
- LENGTH is the length of VALUE in bits.
- TOTAL_LENGTH is the total length of the insn in bits.
-
- The result is an error message or NULL if success. */
-
-/* ??? This duplicates functionality with bfd's howto table and
- bfd_install_relocation. */
-/* ??? This doesn't handle bfd_vma's. Create another function when
- necessary. */
-
-static const char *
-insert_normal (od, value, attrs, word_offset, start, length, word_length,
- total_length, buffer)
- CGEN_OPCODE_DESC od;
- long value;
- unsigned int attrs;
- unsigned int word_offset, start, length, word_length, total_length;
- CGEN_INSN_BYTES_PTR buffer;
+char *
+fr30_cgen_build_insn_regex (CGEN_INSN *insn)
{
- static char errbuf[100];
- /* Written this way to avoid undefined behaviour. */
- unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
+ 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;
- /* If LENGTH is zero, this operand doesn't contribute to the value. */
- if (length == 0)
- return NULL;
+ syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc));
- if (CGEN_INT_INSN_P
- && word_offset != 0)
- abort ();
-
- if (word_length > 32)
- abort ();
+ /* Mnemonics come first in the syntax string. */
+ if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
+ return _("missing mnemonic in syntax string");
+ ++syn;
- /* For architectures with insns smaller than the insn-base-bitsize,
- word_length may be too big. */
-#if CGEN_MIN_INSN_BITSIZE < CGEN_BASE_INSN_BITSIZE
- if (word_offset == 0
- && word_length > total_length)
- word_length = total_length;
-#endif
+ /* 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. */
- /* Ensure VALUE will fit. */
- if ((attrs & CGEN_ATTR_MASK (CGEN_OPERAND_UNSIGNED)) != 0)
+ /* Copy the literal mnemonic out of the insn. */
+ for (; *mnem; mnem++)
{
- unsigned long maxval = mask;
- if ((unsigned long) value > maxval)
+ char c = *mnem;
+
+ if (ISALPHA (c))
{
- /* xgettext:c-format */
- sprintf (errbuf,
- _("operand out of range (%lu not between 0 and %lu)"),
- value, maxval);
- return errbuf;
+ *rx++ = '[';
+ *rx++ = TOLOWER (c);
+ *rx++ = TOUPPER (c);
+ *rx++ = ']';
}
+ else
+ *rx++ = c;
}
- else
+
+ /* Copy any remaining literals from the syntax string into the rx. */
+ for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn)
{
- long minval = - (1L << (length - 1));
- long maxval = (1L << (length - 1)) - 1;
- if (value < minval || value > maxval)
+ 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 '$':
+
+#ifdef CGEN_ESCAPE_EXTENDED_REGEX
+ case '?': case '{': case '}':
+ case '(': case ')': case '*':
+ case '|': case '+': case ']':
+#endif
+ *rx++ = '\\';
+ *rx++ = c;
+ break;
+
+ default:
+ if (ISALPHA (c))
+ {
+ *rx++ = '[';
+ *rx++ = TOLOWER (c);
+ *rx++ = TOUPPER (c);
+ *rx++ = ']';
+ }
+ else
+ *rx++ = c;
+ break;
+ }
+ }
+ else
{
- sprintf
- /* xgettext:c-format */
- (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
- value, minval, maxval);
- return errbuf;
+ /* Replace non-syntax fields with globs. */
+ *rx++ = '.';
+ *rx++ = '*';
}
}
-#if CGEN_INT_INSN_P
+ /* Trailing whitespace ok. */
+ * rx++ = '[';
+ * rx++ = ' ';
+ * rx++ = '\t';
+ * rx++ = ']';
+ * rx++ = '*';
- {
- int shift;
+ /* But anchor it after that. */
+ * rx++ = '$';
+ * rx = '\0';
- if (CGEN_INSN_LSB0_P)
- shift = (start + 1) - length;
- else
- shift = word_length - (start + length);
- *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
- }
-
-#else /* ! CGEN_INT_INSN_P */
-
- {
- unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
-
- insert_1 (od, value, start, length, word_length, bufp);
- }
+ CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t));
+ reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB);
-#endif /* ! CGEN_INT_INSN_P */
+ if (reg_err == 0)
+ return NULL;
+ else
+ {
+ static char msg[80];
- return NULL;
+ 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;
+ }
}
+
\f
/* Default insn parser.
but that can be handled there. Not handling backtracking here may get
expensive in the case of the m68k. Deal with later.
- Returns NULL for success, an error message for failure.
-*/
+ Returns NULL for success, an error message for failure. */
static const char *
-parse_insn_normal (od, insn, strp, fields)
- CGEN_OPCODE_DESC od;
- const CGEN_INSN * insn;
- const char ** strp;
- CGEN_FIELDS * fields;
+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 unsigned char * syn;
+ /* ??? 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;
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))
+ while (*p && TOLOWER (*p) == TOLOWER (*str))
++p, ++str;
-
- if (* p || (* str && !isspace (* str)))
+
+ if (* p)
+ return _("unrecognized instruction");
+
+#ifndef CGEN_MNEMONIC_OPERANDS
+ if (* str && ! ISSPACE (* str))
return _("unrecognized instruction");
+#endif
- CGEN_INIT_PARSE (od);
- cgen_init_parse_operand (od);
+ CGEN_INIT_PARSE (cd);
+ cgen_init_parse_operand (cd);
#ifdef CGEN_MNEMONIC_OPERANDS
past_opcode_p = 0;
#endif
/* Non operand chars must match exactly. */
if (CGEN_SYNTAX_CHAR_P (* syn))
{
- if (*str == CGEN_SYNTAX_CHAR (* 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 (* syn == ' ')
+ if (CGEN_SYNTAX_CHAR(* syn) == ' ')
past_opcode_p = 1;
#endif
++ syn;
++ str;
}
- else
+ else if (*str)
{
/* Syntax char didn't match. Can't be this insn. */
- /* FIXME: would like to return something like
- "expected char `c'" */
- return _("syntax error");
+ 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;
}
+#ifdef CGEN_MNEMONIC_OPERANDS
+ (void) past_opcode_p;
+#endif
/* We have an operand of some sort. */
- errmsg = fr30_cgen_parse_operand (od, CGEN_SYNTAX_FIELD (*syn),
- &str, fields);
+ errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), &str, fields);
if (errmsg)
return errmsg;
}
/* If we're at the end of the syntax string, we're done. */
- if (* syn == '\0')
+ 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))
+ while (ISSPACE (* str))
++ str;
if (* str != '\0')
/* We couldn't parse it. */
return _("unrecognized instruction");
}
-
-/* Default insn builder (insert handler).
- The instruction is recorded in CGEN_INT_INSN_P byte order
- (meaning that if CGEN_INT_INSN_P BUFFER is an int * and thus the value is
- recorded in host byte order, otherwise BUFFER is an array of bytes and the
- value is recorded in target byte order).
- The result is an error message or NULL if success. */
-
-static const char *
-insert_insn_normal (od, insn, fields, buffer, pc)
- CGEN_OPCODE_DESC od;
- const CGEN_INSN * insn;
- CGEN_FIELDS * fields;
- CGEN_INSN_BYTES_PTR buffer;
- bfd_vma pc;
-{
- const CGEN_SYNTAX * syntax = CGEN_INSN_SYNTAX (insn);
- unsigned long value;
- const unsigned char * syn;
-
- CGEN_INIT_INSERT (od);
- value = CGEN_INSN_BASE_VALUE (insn);
-
- /* If we're recording insns as numbers (rather than a string of bytes),
- target byte order handling is deferred until later. */
-
-#if CGEN_INT_INSN_P
-
- *buffer = value;
-
-#else
-
- cgen_put_insn_value (od, buffer, min (CGEN_BASE_INSN_BITSIZE,
- CGEN_FIELDS_BITSIZE (fields)),
- value);
-
-#endif /* ! CGEN_INT_INSN_P */
-
- /* ??? It would be better to scan the format's fields.
- Still need to be able to insert a value based on the operand though;
- e.g. storing a branch displacement that got resolved later.
- Needs more thought first. */
-
- for (syn = CGEN_SYNTAX_STRING (syntax); * syn != '\0'; ++ syn)
- {
- const char *errmsg;
-
- if (CGEN_SYNTAX_CHAR_P (* syn))
- continue;
-
- errmsg = fr30_cgen_insert_operand (od, CGEN_SYNTAX_FIELD (*syn),
- fields, buffer, pc);
- if (errmsg)
- return errmsg;
- }
-
- return NULL;
-}
\f
/* Main entry point.
This routine is called for each instruction to be assembled.
printed).
Note that when processing (non-alias) macro-insns,
- this function recurses. */
+ this function recurses.
+
+ ??? It's possible to make this cpu-independent.
+ One would have to deal with a few minor things.
+ At this point in time doing so would be more of a curiosity than useful
+ [for example this file isn't _that_ big], but keeping the possibility in
+ mind helps keep the design clean. */
const CGEN_INSN *
-fr30_cgen_assemble_insn (od, str, fields, buf, errmsg)
- CGEN_OPCODE_DESC od;
- const char * str;
- CGEN_FIELDS * fields;
- CGEN_INSN_BYTES_PTR buf;
- char ** errmsg;
+fr30_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 *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))
+ while (ISSPACE (* str))
++ str;
/* The instructions are stored in hashed lists.
Get the first in the list. */
- ilist = CGEN_ASM_LOOKUP_INSN (od, str);
+ 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;
-#if 0 /* not needed as unsupported opcodes shouldn't be in the hash lists */
+#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 (! fr30_cgen_insn_supported (od, insn))
+ if (! fr30_cgen_insn_supported (cd, insn))
continue;
#endif
-
- /* If the RELAX attribute is set, this is an insn that shouldn't be
+ /* 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 (insn, CGEN_INSN_RELAX) != 0)
+ 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);
- if (! CGEN_PARSE_FN (insn) (od, insn, & str, fields))
- {
- /* ??? 0 is passed for `pc' */
- if (CGEN_INSERT_FN (insn) (od, insn, fields, buf, (bfd_vma) 0) != NULL)
- continue;
- /* It is up to the caller to actually output the insn and any
- queued relocs. */
- return insn;
- }
+ parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
+ if (parse_errmsg != NULL)
+ continue;
- /* Try the next entry. */
+ /* ??? 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;
}
- /* FIXME: We can return a better error message than this.
- Need to track why it failed and pick the right one. */
{
- static char errbuf[100];
- if (strlen (start) > 50)
- /* xgettext:c-format */
- sprintf (errbuf, _("bad instruction `%.50s...'"), start);
- else
- /* xgettext:c-format */
- sprintf (errbuf, _("bad instruction `%.50s'"), start);
-
+ static char errbuf[150];
+ const char *tmp_errmsg;
+#ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
+#define be_verbose 1
+#else
+#define be_verbose 0
+#endif
+
+ if (be_verbose)
+ {
+ /* 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);
+ }
+
*errmsg = errbuf;
return NULL;
}
}
-\f
-#if 0 /* This calls back to GAS which we can't do without care. */
-
-/* Record each member of OPVALS in the assembler's symbol table.
- This lets GAS parse registers for us.
- ??? Interesting idea but not currently used. */
-
-/* Record each member of OPVALS in the assembler's symbol table.
- FIXME: Not currently used. */
-
-void
-fr30_cgen_asm_hash_keywords (od, opvals)
- CGEN_OPCODE_DESC od;
- 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 /* Unnecessary, should be done in the search routine. */
- if (! fr30_cgen_opval_supported (ke))
- continue;
-#endif
- cgen_asm_record_register (od, ke->name, ke->value);
- }
-}
-
-#endif /* 0 */
projects / deliverable / binutils-gdb.git / blobdiff