1 /* Assembler interface for targets using CGEN. -*- C -*-
2 CGEN: Cpu tools GENerator
4 THIS FILE IS MACHINE GENERATED WITH CGEN.
5 - the resultant file is machine generated, cgen-asm.in isn't
7 Copyright (C) 1996-2015 Free Software Foundation, Inc.
9 This file is part of libopcodes.
11 This library is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3, or (at your option)
16 It is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
18 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
19 License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software Foundation, Inc.,
23 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
26 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
38 #include "libiberty.h"
39 #include "safe-ctype.h"
42 #define min(a,b) ((a) < (b) ? (a) : (b))
44 #define max(a,b) ((a) > (b) ? (a) : (b))
46 static const char * parse_insn_normal
47 (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *);
49 /* -- assembler routines inserted here. */
55 #define CGEN_VALIDATE_INSN_SUPPORTED
56 #define mep_cgen_insn_supported mep_cgen_insn_supported_asm
58 const char * parse_csrn (CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *);
59 const char * parse_tpreg (CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *);
60 const char * parse_spreg (CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *);
61 const char * parse_mep_align (CGEN_CPU_DESC, const char **, enum cgen_operand_type, long *);
62 const char * parse_mep_alignu (CGEN_CPU_DESC, const char **, enum cgen_operand_type, unsigned long *);
63 static const char * parse_signed16 (CGEN_CPU_DESC, const char **, int, long *);
64 static const char * parse_signed16_range (CGEN_CPU_DESC, const char **, int, long *) ATTRIBUTE_UNUSED;
65 static const char * parse_unsigned16 (CGEN_CPU_DESC, const char **, int, unsigned long *);
66 static const char * parse_unsigned16_range (CGEN_CPU_DESC, const char **, int, unsigned long *) ATTRIBUTE_UNUSED;
67 static const char * parse_lo16 (CGEN_CPU_DESC, const char **, int, long *, long);
68 static const char * parse_unsigned7 (CGEN_CPU_DESC, const char **, enum cgen_operand_type, unsigned long *);
69 static const char * parse_zero (CGEN_CPU_DESC, const char **, int, long *);
72 parse_csrn (CGEN_CPU_DESC cd, const char **strp,
73 CGEN_KEYWORD *keyword_table, long *field)
78 err = cgen_parse_keyword (cd, strp, keyword_table, field);
82 err = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CSRN_IDX, & value);
89 /* begin-cop-ip-parse-handlers */
91 parse_ivc2_cr (CGEN_CPU_DESC,
94 long *) ATTRIBUTE_UNUSED;
96 parse_ivc2_cr (CGEN_CPU_DESC cd,
98 CGEN_KEYWORD *keyword_table ATTRIBUTE_UNUSED,
101 return cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr_ivc2, field);
104 parse_ivc2_ccr (CGEN_CPU_DESC,
107 long *) ATTRIBUTE_UNUSED;
109 parse_ivc2_ccr (CGEN_CPU_DESC cd,
111 CGEN_KEYWORD *keyword_table ATTRIBUTE_UNUSED,
114 return cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, field);
116 /* end-cop-ip-parse-handlers */
119 parse_tpreg (CGEN_CPU_DESC cd, const char ** strp,
120 CGEN_KEYWORD *keyword_table, long *field)
124 err = cgen_parse_keyword (cd, strp, keyword_table, field);
128 return _("Only $tp or $13 allowed for this opcode");
133 parse_spreg (CGEN_CPU_DESC cd, const char ** strp,
134 CGEN_KEYWORD *keyword_table, long *field)
138 err = cgen_parse_keyword (cd, strp, keyword_table, field);
142 return _("Only $sp or $15 allowed for this opcode");
147 parse_mep_align (CGEN_CPU_DESC cd, const char ** strp,
148 enum cgen_operand_type type, long *field)
155 case MEP_OPERAND_PCREL8A2:
156 case MEP_OPERAND_PCREL12A2:
157 case MEP_OPERAND_PCREL17A2:
158 case MEP_OPERAND_PCREL24A2:
159 err = cgen_parse_signed_integer (cd, strp, type, field);
161 case MEP_OPERAND_PCABS24A2:
162 case MEP_OPERAND_UDISP7:
163 case MEP_OPERAND_UDISP7A2:
164 case MEP_OPERAND_UDISP7A4:
165 case MEP_OPERAND_UIMM7A4:
166 case MEP_OPERAND_ADDR24A4:
167 err = cgen_parse_unsigned_integer (cd, strp, type, (unsigned long *) field);
176 case MEP_OPERAND_UDISP7:
179 case MEP_OPERAND_PCREL8A2:
180 case MEP_OPERAND_PCREL12A2:
181 case MEP_OPERAND_PCREL17A2:
182 case MEP_OPERAND_PCREL24A2:
183 case MEP_OPERAND_PCABS24A2:
184 case MEP_OPERAND_UDISP7A2:
187 case MEP_OPERAND_UDISP7A4:
188 case MEP_OPERAND_UIMM7A4:
189 case MEP_OPERAND_ADDR24A4:
195 /* Safe assumption? */
199 return "Value is not aligned enough";
204 parse_mep_alignu (CGEN_CPU_DESC cd, const char ** strp,
205 enum cgen_operand_type type, unsigned long *field)
207 return parse_mep_align (cd, strp, type, (long *) field);
211 /* Handle %lo(), %tpoff(), %sdaoff(), %hi(), and other signed
212 constants in a signed context. */
215 parse_signed16 (CGEN_CPU_DESC cd,
220 return parse_lo16 (cd, strp, opindex, valuep, 1);
224 parse_lo16 (CGEN_CPU_DESC cd,
231 enum cgen_parse_operand_result result_type;
234 if (strncasecmp (*strp, "%lo(", 4) == 0)
237 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_LOW16,
238 & result_type, & value);
240 return _("missing `)'");
243 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
246 *valuep = (long)(short) value;
252 if (strncasecmp (*strp, "%hi(", 4) == 0)
255 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16S,
256 & result_type, & value);
258 return _("missing `)'");
261 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
262 value = (value + 0x8000) >> 16;
267 if (strncasecmp (*strp, "%uhi(", 5) == 0)
270 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16U,
271 & result_type, & value);
273 return _("missing `)'");
276 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
282 if (strncasecmp (*strp, "%sdaoff(", 8) == 0)
285 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_GPREL,
288 return _("missing `)'");
294 if (strncasecmp (*strp, "%tpoff(", 7) == 0)
297 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_TPREL,
300 return _("missing `)'");
307 return _("invalid %function() here");
309 return cgen_parse_signed_integer (cd, strp, opindex, valuep);
313 parse_unsigned16 (CGEN_CPU_DESC cd,
316 unsigned long *valuep)
318 return parse_lo16 (cd, strp, opindex, (long *) valuep, 0);
322 parse_signed16_range (CGEN_CPU_DESC cd,
327 const char *errmsg = 0;
330 errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
334 if (value < -32768 || value > 32767)
335 return _("Immediate is out of range -32768 to 32767");
342 parse_unsigned16_range (CGEN_CPU_DESC cd,
345 unsigned long *valuep)
347 const char *errmsg = 0;
350 errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value);
355 return _("Immediate is out of range 0 to 65535");
361 /* A special case of parse_signed16 which accepts only the value zero. */
364 parse_zero (CGEN_CPU_DESC cd, const char **strp, int opindex, long *valuep)
367 enum cgen_parse_operand_result result_type;
370 /*fprintf(stderr, "dj: signed parse opindex `%s'\n", *strp);*/
372 /* Prevent ($ry) from being attempted as an expression on 'sw $rx,($ry)'.
373 It will fail and cause ry to be listed as an undefined symbol in the
375 if (strncmp (*strp, "($", 2) == 0)
376 return "not zero"; /* any string will do -- will never be seen. */
378 if (strncasecmp (*strp, "%lo(", 4) == 0)
381 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_LOW16,
382 &result_type, &value);
384 return "missing `)'";
387 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
388 return "not zero"; /* any string will do -- will never be seen. */
393 if (strncasecmp (*strp, "%hi(", 4) == 0)
396 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16S,
397 &result_type, &value);
399 return "missing `)'";
402 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
403 return "not zero"; /* any string will do -- will never be seen. */
408 if (strncasecmp (*strp, "%uhi(", 5) == 0)
411 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16U,
412 &result_type, &value);
414 return "missing `)'";
417 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
418 return "not zero"; /* any string will do -- will never be seen. */
423 if (strncasecmp (*strp, "%sdaoff(", 8) == 0)
426 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_GPREL,
427 &result_type, &value);
429 return "missing `)'";
432 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
433 return "not zero"; /* any string will do -- will never be seen. */
438 if (strncasecmp (*strp, "%tpoff(", 7) == 0)
441 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_TPREL,
442 &result_type, &value);
444 return "missing `)'";
447 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
448 return "not zero"; /* any string will do -- will never be seen. */
454 return "invalid %function() here";
456 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_NONE,
457 &result_type, &value);
459 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
460 return "not zero"; /* any string will do -- will never be seen. */
466 parse_unsigned7 (CGEN_CPU_DESC cd, const char **strp,
467 enum cgen_operand_type opindex, unsigned long *valuep)
472 /* fprintf(stderr, "dj: unsigned7 parse `%s'\n", *strp); */
474 if (strncasecmp (*strp, "%tpoff(", 7) == 0)
480 case MEP_OPERAND_UDISP7:
481 reloc = BFD_RELOC_MEP_TPREL7;
483 case MEP_OPERAND_UDISP7A2:
484 reloc = BFD_RELOC_MEP_TPREL7A2;
486 case MEP_OPERAND_UDISP7A4:
487 reloc = BFD_RELOC_MEP_TPREL7A4;
490 /* Safe assumption? */
493 errmsg = cgen_parse_address (cd, strp, opindex, reloc,
496 return "missing `)'";
503 return _("invalid %function() here");
505 return parse_mep_alignu (cd, strp, opindex, valuep);
508 static ATTRIBUTE_UNUSED const char *
509 parse_cdisp10 (CGEN_CPU_DESC cd,
514 const char *errmsg = 0;
522 case MEP_OPERAND_CDISP10A4:
525 case MEP_OPERAND_CDISP10A2:
528 case MEP_OPERAND_CDISP10:
534 if ((MEP_CPU & EF_MEP_CPU_MASK) == EF_MEP_CPU_C5)
537 if (strncmp (*strp, "0x0", 3) == 0
538 || (**strp == '0' && *(*strp + 1) != 'x'))
541 errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
547 if (value < -512 || value > 511)
548 return _("Immediate is out of range -512 to 511");
552 if (value < -128 || value > 127)
553 return _("Immediate is out of range -128 to 127");
556 if (value & ((1<<alignment)-1))
557 return _("Value is not aligned enough");
559 /* If this field may require a relocation then use larger dsp16. */
560 if (! have_zero && value == 0)
561 return (wide ? _("Immediate is out of range -512 to 511")
562 : _("Immediate is out of range -128 to 127"));
568 /* BEGIN LIGHTWEIGHT MACRO PROCESSOR. */
586 { "sizeof", "(`1.end + (- `1))"},
587 { "startof", "(`1 | 0)" },
588 { "align4", "(`1&(~3))"},
589 /*{ "hi", "(((`1+0x8000)>>16) & 0xffff)" }, */
590 /*{ "lo", "(`1 & 0xffff)" }, */
591 /*{ "sdaoff", "((`1-__sdabase) & 0x7f)"}, */
592 /*{ "tpoff", "((`1-__tpbase) & 0x7f)"}, */
596 static char * expand_string (const char *, int);
599 mep_cgen_expand_macros_and_parse_operand
600 (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
603 str_append (char *dest, const char *input, int len)
610 /* printf("str_append: <<%s>>, <<%s>>, %d\n", dest, input, len); */
611 oldlen = (dest ? strlen(dest) : 0);
612 new_dest = realloc (dest, oldlen + len + 1);
613 memset (new_dest + oldlen, 0, len + 1);
614 return strncat (new_dest, input, len);
618 lookup_macro (const char *name)
622 for (m = macros; m->name; ++m)
623 if (strncmp (m->name, name, strlen(m->name)) == 0)
630 expand_macro (arg *args, int narg, macro *mac)
632 char *result = 0, *rescanned_result = 0;
633 char *e = mac->expansion;
637 /* printf("expanding macro %s with %d args\n", mac->name, narg + 1); */
642 ((*(e + 1) - '1') <= MAXARGS) &&
643 ((*(e + 1) - '1') <= narg))
645 result = str_append (result, mark, e - mark);
646 mac_arg = (*(e + 1) - '1');
647 /* printf("replacing `%d with %s\n", mac_arg+1, args[mac_arg].start); */
648 result = str_append (result, args[mac_arg].start, args[mac_arg].len);
656 result = str_append (result, mark, e - mark);
660 rescanned_result = expand_string (result, 0);
662 return rescanned_result;
672 expand_string (const char *in, int first_only)
674 int num_expansions = 0;
679 const char *mark = in;
680 macro *pmacro = NULL;
689 if (*in == '%' && *(in + 1) && (!first_only || num_expansions == 0))
691 pmacro = lookup_macro (in + 1);
694 /* printf("entering state %d at '%s'...\n", state, in); */
695 result = str_append (result, mark, in - mark);
697 in += 1 + strlen (pmacro->name);
698 while (*in == ' ') ++in;
708 args[narg].start = in + 1;
722 args[narg].start = (in + 1);
727 /* printf("entering state %d at '%s'...\n", state, in); */
731 expansion = expand_macro (args, narg, pmacro);
735 result = str_append (result, expansion, strlen (expansion));
741 result = str_append (result, mark, in - mark);
766 result = str_append (result, mark, in - mark);
776 /* END LIGHTWEIGHT MACRO PROCESSOR. */
778 const char * mep_cgen_parse_operand
779 (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
782 mep_cgen_expand_macros_and_parse_operand (CGEN_CPU_DESC cd, int opindex,
783 const char ** strp_in, CGEN_FIELDS * fields)
785 const char * errmsg = NULL;
786 char *str = 0, *hold = 0;
787 const char **strp = 0;
789 /* Set up a new pointer to macro-expanded string. */
790 str = expand_string (*strp_in, 1);
791 /* fprintf (stderr, " expanded <<%s>> to <<%s>>\n", *strp_in, str); */
794 strp = (const char **)(&str);
796 errmsg = mep_cgen_parse_operand (cd, opindex, strp, fields);
798 /* Now work out the advance. */
799 if (strlen (str) == 0)
800 *strp_in += strlen (*strp_in);
804 if (strstr (*strp_in, str))
805 /* A macro-expansion was pulled off the front. */
806 *strp_in = strstr (*strp_in, str);
808 /* A non-macro-expansion was pulled off the front. */
809 *strp_in += (str - hold);
818 #define CGEN_ASM_INIT_HOOK (cd->parse_operand = mep_cgen_expand_macros_and_parse_operand);
822 const char * mep_cgen_parse_operand
823 (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
825 /* Main entry point for operand parsing.
827 This function is basically just a big switch statement. Earlier versions
828 used tables to look up the function to use, but
829 - if the table contains both assembler and disassembler functions then
830 the disassembler contains much of the assembler and vice-versa,
831 - there's a lot of inlining possibilities as things grow,
832 - using a switch statement avoids the function call overhead.
834 This function could be moved into `parse_insn_normal', but keeping it
835 separate makes clear the interface between `parse_insn_normal' and each of
839 mep_cgen_parse_operand (CGEN_CPU_DESC cd,
842 CGEN_FIELDS * fields)
844 const char * errmsg = NULL;
845 /* Used by scalar operands that still need to be parsed. */
846 long junk ATTRIBUTE_UNUSED;
850 case MEP_OPERAND_ADDR24A4 :
851 errmsg = parse_mep_alignu (cd, strp, MEP_OPERAND_ADDR24A4, (unsigned long *) (& fields->f_24u8a4n));
853 case MEP_OPERAND_C5RMUIMM20 :
854 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_C5RMUIMM20, (unsigned long *) (& fields->f_c5_rmuimm20));
856 case MEP_OPERAND_C5RNMUIMM24 :
857 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_C5RNMUIMM24, (unsigned long *) (& fields->f_c5_rnmuimm24));
859 case MEP_OPERAND_CALLNUM :
860 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CALLNUM, (unsigned long *) (& fields->f_callnum));
862 case MEP_OPERAND_CCCC :
863 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CCCC, (unsigned long *) (& fields->f_rm));
865 case MEP_OPERAND_CCRN :
866 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr, & fields->f_ccrn);
868 case MEP_OPERAND_CDISP10 :
869 errmsg = parse_cdisp10 (cd, strp, MEP_OPERAND_CDISP10, (long *) (& fields->f_cdisp10));
871 case MEP_OPERAND_CDISP10A2 :
872 errmsg = parse_cdisp10 (cd, strp, MEP_OPERAND_CDISP10A2, (long *) (& fields->f_cdisp10));
874 case MEP_OPERAND_CDISP10A4 :
875 errmsg = parse_cdisp10 (cd, strp, MEP_OPERAND_CDISP10A4, (long *) (& fields->f_cdisp10));
877 case MEP_OPERAND_CDISP10A8 :
878 errmsg = parse_cdisp10 (cd, strp, MEP_OPERAND_CDISP10A8, (long *) (& fields->f_cdisp10));
880 case MEP_OPERAND_CDISP12 :
881 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_CDISP12, (long *) (& fields->f_12s20));
883 case MEP_OPERAND_CIMM4 :
884 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CIMM4, (unsigned long *) (& fields->f_rn));
886 case MEP_OPERAND_CIMM5 :
887 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CIMM5, (unsigned long *) (& fields->f_5u24));
889 case MEP_OPERAND_CODE16 :
890 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CODE16, (unsigned long *) (& fields->f_16u16));
892 case MEP_OPERAND_CODE24 :
893 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CODE24, (unsigned long *) (& fields->f_24u4n));
895 case MEP_OPERAND_CP_FLAG :
896 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr, & junk);
898 case MEP_OPERAND_CRN :
899 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr, & fields->f_crn);
901 case MEP_OPERAND_CRN64 :
902 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_crn);
904 case MEP_OPERAND_CRNX :
905 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr, & fields->f_crnx);
907 case MEP_OPERAND_CRNX64 :
908 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_crnx);
910 case MEP_OPERAND_CROC :
911 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u7);
913 case MEP_OPERAND_CROP :
914 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u23);
916 case MEP_OPERAND_CRPC :
917 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u26);
919 case MEP_OPERAND_CRPP :
920 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u18);
922 case MEP_OPERAND_CRQC :
923 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u21);
925 case MEP_OPERAND_CRQP :
926 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u13);
928 case MEP_OPERAND_CSRN :
929 errmsg = parse_csrn (cd, strp, & mep_cgen_opval_h_csr, & fields->f_csrn);
931 case MEP_OPERAND_CSRN_IDX :
932 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CSRN_IDX, (unsigned long *) (& fields->f_csrn));
934 case MEP_OPERAND_DBG :
935 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
937 case MEP_OPERAND_DEPC :
938 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
940 case MEP_OPERAND_EPC :
941 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
943 case MEP_OPERAND_EXC :
944 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
946 case MEP_OPERAND_HI :
947 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
949 case MEP_OPERAND_IMM16P0 :
950 errmsg = parse_unsigned16_range (cd, strp, MEP_OPERAND_IMM16P0, (unsigned long *) (& fields->f_ivc2_imm16p0));
952 case MEP_OPERAND_IMM3P12 :
953 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P12, (unsigned long *) (& fields->f_ivc2_3u12));
955 case MEP_OPERAND_IMM3P25 :
956 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P25, (unsigned long *) (& fields->f_ivc2_3u25));
958 case MEP_OPERAND_IMM3P4 :
959 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P4, (unsigned long *) (& fields->f_ivc2_3u4));
961 case MEP_OPERAND_IMM3P5 :
962 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P5, (unsigned long *) (& fields->f_ivc2_3u5));
964 case MEP_OPERAND_IMM3P9 :
965 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P9, (unsigned long *) (& fields->f_ivc2_3u9));
967 case MEP_OPERAND_IMM4P10 :
968 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM4P10, (unsigned long *) (& fields->f_ivc2_4u10));
970 case MEP_OPERAND_IMM4P4 :
971 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM4P4, (unsigned long *) (& fields->f_ivc2_4u4));
973 case MEP_OPERAND_IMM4P8 :
974 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM4P8, (unsigned long *) (& fields->f_ivc2_4u8));
976 case MEP_OPERAND_IMM5P23 :
977 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM5P23, (unsigned long *) (& fields->f_ivc2_5u23));
979 case MEP_OPERAND_IMM5P3 :
980 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM5P3, (unsigned long *) (& fields->f_ivc2_5u3));
982 case MEP_OPERAND_IMM5P7 :
983 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM5P7, (unsigned long *) (& fields->f_ivc2_5u7));
985 case MEP_OPERAND_IMM5P8 :
986 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM5P8, (unsigned long *) (& fields->f_ivc2_5u8));
988 case MEP_OPERAND_IMM6P2 :
989 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM6P2, (unsigned long *) (& fields->f_ivc2_6u2));
991 case MEP_OPERAND_IMM6P6 :
992 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM6P6, (unsigned long *) (& fields->f_ivc2_6u6));
994 case MEP_OPERAND_IMM8P0 :
995 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM8P0, (unsigned long *) (& fields->f_ivc2_8u0));
997 case MEP_OPERAND_IMM8P20 :
998 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM8P20, (unsigned long *) (& fields->f_ivc2_8u20));
1000 case MEP_OPERAND_IMM8P4 :
1001 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM8P4, (unsigned long *) (& fields->f_ivc2_8u4));
1003 case MEP_OPERAND_IVC_X_0_2 :
1004 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_0_2, (unsigned long *) (& fields->f_ivc2_2u0));
1006 case MEP_OPERAND_IVC_X_0_3 :
1007 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_0_3, (unsigned long *) (& fields->f_ivc2_3u0));
1009 case MEP_OPERAND_IVC_X_0_4 :
1010 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_0_4, (unsigned long *) (& fields->f_ivc2_4u0));
1012 case MEP_OPERAND_IVC_X_0_5 :
1013 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_0_5, (unsigned long *) (& fields->f_ivc2_5u0));
1015 case MEP_OPERAND_IVC_X_6_1 :
1016 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_6_1, (unsigned long *) (& fields->f_ivc2_1u6));
1018 case MEP_OPERAND_IVC_X_6_2 :
1019 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_6_2, (unsigned long *) (& fields->f_ivc2_2u6));
1021 case MEP_OPERAND_IVC_X_6_3 :
1022 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_6_3, (unsigned long *) (& fields->f_ivc2_3u6));
1024 case MEP_OPERAND_IVC2_ACC0_0 :
1025 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1027 case MEP_OPERAND_IVC2_ACC0_1 :
1028 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1030 case MEP_OPERAND_IVC2_ACC0_2 :
1031 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1033 case MEP_OPERAND_IVC2_ACC0_3 :
1034 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1036 case MEP_OPERAND_IVC2_ACC0_4 :
1037 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1039 case MEP_OPERAND_IVC2_ACC0_5 :
1040 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1042 case MEP_OPERAND_IVC2_ACC0_6 :
1043 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1045 case MEP_OPERAND_IVC2_ACC0_7 :
1046 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1048 case MEP_OPERAND_IVC2_ACC1_0 :
1049 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1051 case MEP_OPERAND_IVC2_ACC1_1 :
1052 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1054 case MEP_OPERAND_IVC2_ACC1_2 :
1055 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1057 case MEP_OPERAND_IVC2_ACC1_3 :
1058 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1060 case MEP_OPERAND_IVC2_ACC1_4 :
1061 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1063 case MEP_OPERAND_IVC2_ACC1_5 :
1064 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1066 case MEP_OPERAND_IVC2_ACC1_6 :
1067 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1069 case MEP_OPERAND_IVC2_ACC1_7 :
1070 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1072 case MEP_OPERAND_IVC2_CC :
1073 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1075 case MEP_OPERAND_IVC2_COFA0 :
1076 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1078 case MEP_OPERAND_IVC2_COFA1 :
1079 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1081 case MEP_OPERAND_IVC2_COFR0 :
1082 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1084 case MEP_OPERAND_IVC2_COFR1 :
1085 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1087 case MEP_OPERAND_IVC2_CSAR0 :
1088 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1090 case MEP_OPERAND_IVC2_CSAR1 :
1091 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1093 case MEP_OPERAND_IVC2C3CCRN :
1094 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & fields->f_ivc2_ccrn_c3);
1096 case MEP_OPERAND_IVC2CCRN :
1097 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & fields->f_ivc2_ccrn);
1099 case MEP_OPERAND_IVC2CRN :
1100 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_crnx);
1102 case MEP_OPERAND_IVC2RM :
1103 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_ivc2_crm);
1105 case MEP_OPERAND_LO :
1106 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1108 case MEP_OPERAND_LP :
1109 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1111 case MEP_OPERAND_MB0 :
1112 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1114 case MEP_OPERAND_MB1 :
1115 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1117 case MEP_OPERAND_ME0 :
1118 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1120 case MEP_OPERAND_ME1 :
1121 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1123 case MEP_OPERAND_NPC :
1124 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1126 case MEP_OPERAND_OPT :
1127 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1129 case MEP_OPERAND_PCABS24A2 :
1130 errmsg = parse_mep_alignu (cd, strp, MEP_OPERAND_PCABS24A2, (unsigned long *) (& fields->f_24u5a2n));
1132 case MEP_OPERAND_PCREL12A2 :
1133 errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL12A2, (long *) (& fields->f_12s4a2));
1135 case MEP_OPERAND_PCREL17A2 :
1136 errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL17A2, (long *) (& fields->f_17s16a2));
1138 case MEP_OPERAND_PCREL24A2 :
1139 errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL24A2, (long *) (& fields->f_24s5a2n));
1141 case MEP_OPERAND_PCREL8A2 :
1142 errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL8A2, (long *) (& fields->f_8s8a2));
1144 case MEP_OPERAND_PSW :
1145 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1147 case MEP_OPERAND_R0 :
1148 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1150 case MEP_OPERAND_R1 :
1151 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1153 case MEP_OPERAND_RL :
1154 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rl);
1156 case MEP_OPERAND_RL5 :
1157 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rl5);
1159 case MEP_OPERAND_RM :
1160 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rm);
1162 case MEP_OPERAND_RMA :
1163 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rm);
1165 case MEP_OPERAND_RN :
1166 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1168 case MEP_OPERAND_RN3 :
1169 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1171 case MEP_OPERAND_RN3C :
1172 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1174 case MEP_OPERAND_RN3L :
1175 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1177 case MEP_OPERAND_RN3S :
1178 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1180 case MEP_OPERAND_RN3UC :
1181 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1183 case MEP_OPERAND_RN3UL :
1184 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1186 case MEP_OPERAND_RN3US :
1187 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1189 case MEP_OPERAND_RNC :
1190 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1192 case MEP_OPERAND_RNL :
1193 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1195 case MEP_OPERAND_RNS :
1196 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1198 case MEP_OPERAND_RNUC :
1199 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1201 case MEP_OPERAND_RNUL :
1202 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1204 case MEP_OPERAND_RNUS :
1205 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1207 case MEP_OPERAND_SAR :
1208 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1210 case MEP_OPERAND_SDISP16 :
1211 errmsg = parse_signed16 (cd, strp, MEP_OPERAND_SDISP16, (long *) (& fields->f_16s16));
1213 case MEP_OPERAND_SIMM16 :
1214 errmsg = parse_signed16 (cd, strp, MEP_OPERAND_SIMM16, (long *) (& fields->f_16s16));
1216 case MEP_OPERAND_SIMM16P0 :
1217 errmsg = parse_signed16_range (cd, strp, MEP_OPERAND_SIMM16P0, (long *) (& fields->f_ivc2_simm16p0));
1219 case MEP_OPERAND_SIMM6 :
1220 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM6, (long *) (& fields->f_6s8));
1222 case MEP_OPERAND_SIMM8 :
1223 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM8, (long *) (& fields->f_8s8));
1225 case MEP_OPERAND_SIMM8P0 :
1226 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM8P0, (long *) (& fields->f_ivc2_8s0));
1228 case MEP_OPERAND_SIMM8P20 :
1229 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM8P20, (long *) (& fields->f_ivc2_8s20));
1231 case MEP_OPERAND_SIMM8P4 :
1232 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM8P4, (long *) (& fields->f_ivc2_8s4));
1234 case MEP_OPERAND_SP :
1235 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1237 case MEP_OPERAND_SPR :
1238 errmsg = parse_spreg (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1240 case MEP_OPERAND_TP :
1241 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1243 case MEP_OPERAND_TPR :
1244 errmsg = parse_tpreg (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1246 case MEP_OPERAND_UDISP2 :
1247 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_UDISP2, (long *) (& fields->f_2u6));
1249 case MEP_OPERAND_UDISP7 :
1250 errmsg = parse_unsigned7 (cd, strp, MEP_OPERAND_UDISP7, (unsigned long *) (& fields->f_7u9));
1252 case MEP_OPERAND_UDISP7A2 :
1253 errmsg = parse_unsigned7 (cd, strp, MEP_OPERAND_UDISP7A2, (unsigned long *) (& fields->f_7u9a2));
1255 case MEP_OPERAND_UDISP7A4 :
1256 errmsg = parse_unsigned7 (cd, strp, MEP_OPERAND_UDISP7A4, (unsigned long *) (& fields->f_7u9a4));
1258 case MEP_OPERAND_UIMM16 :
1259 errmsg = parse_unsigned16 (cd, strp, MEP_OPERAND_UIMM16, (unsigned long *) (& fields->f_16u16));
1261 case MEP_OPERAND_UIMM2 :
1262 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM2, (unsigned long *) (& fields->f_2u10));
1264 case MEP_OPERAND_UIMM24 :
1265 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM24, (unsigned long *) (& fields->f_24u8n));
1267 case MEP_OPERAND_UIMM3 :
1268 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM3, (unsigned long *) (& fields->f_3u5));
1270 case MEP_OPERAND_UIMM4 :
1271 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM4, (unsigned long *) (& fields->f_4u8));
1273 case MEP_OPERAND_UIMM5 :
1274 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM5, (unsigned long *) (& fields->f_5u8));
1276 case MEP_OPERAND_UIMM7A4 :
1277 errmsg = parse_mep_alignu (cd, strp, MEP_OPERAND_UIMM7A4, (unsigned long *) (& fields->f_7u9a4));
1279 case MEP_OPERAND_ZERO :
1280 errmsg = parse_zero (cd, strp, MEP_OPERAND_ZERO, (long *) (& junk));
1284 /* xgettext:c-format */
1285 fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
1292 cgen_parse_fn * const mep_cgen_parse_handlers[] =
1298 mep_cgen_init_asm (CGEN_CPU_DESC cd)
1300 mep_cgen_init_opcode_table (cd);
1301 mep_cgen_init_ibld_table (cd);
1302 cd->parse_handlers = & mep_cgen_parse_handlers[0];
1303 cd->parse_operand = mep_cgen_parse_operand;
1304 #ifdef CGEN_ASM_INIT_HOOK
1311 /* Regex construction routine.
1313 This translates an opcode syntax string into a regex string,
1314 by replacing any non-character syntax element (such as an
1315 opcode) with the pattern '.*'
1317 It then compiles the regex and stores it in the opcode, for
1318 later use by mep_cgen_assemble_insn
1320 Returns NULL for success, an error message for failure. */
1323 mep_cgen_build_insn_regex (CGEN_INSN *insn)
1325 CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
1326 const char *mnem = CGEN_INSN_MNEMONIC (insn);
1327 char rxbuf[CGEN_MAX_RX_ELEMENTS];
1329 const CGEN_SYNTAX_CHAR_TYPE *syn;
1332 syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc));
1334 /* Mnemonics come first in the syntax string. */
1335 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
1336 return _("missing mnemonic in syntax string");
1339 /* Generate a case sensitive regular expression that emulates case
1340 insensitive matching in the "C" locale. We cannot generate a case
1341 insensitive regular expression because in Turkish locales, 'i' and 'I'
1342 are not equal modulo case conversion. */
1344 /* Copy the literal mnemonic out of the insn. */
1345 for (; *mnem; mnem++)
1352 *rx++ = TOLOWER (c);
1353 *rx++ = TOUPPER (c);
1360 /* Copy any remaining literals from the syntax string into the rx. */
1361 for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn)
1363 if (CGEN_SYNTAX_CHAR_P (* syn))
1365 char c = CGEN_SYNTAX_CHAR (* syn);
1369 /* Escape any regex metacharacters in the syntax. */
1370 case '.': case '[': case '\\':
1371 case '*': case '^': case '$':
1373 #ifdef CGEN_ESCAPE_EXTENDED_REGEX
1374 case '?': case '{': case '}':
1375 case '(': case ')': case '*':
1376 case '|': case '+': case ']':
1386 *rx++ = TOLOWER (c);
1387 *rx++ = TOUPPER (c);
1397 /* Replace non-syntax fields with globs. */
1403 /* Trailing whitespace ok. */
1410 /* But anchor it after that. */
1414 CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t));
1415 reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB);
1421 static char msg[80];
1423 regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80);
1424 regfree ((regex_t *) CGEN_INSN_RX (insn));
1425 free (CGEN_INSN_RX (insn));
1426 (CGEN_INSN_RX (insn)) = NULL;
1432 /* Default insn parser.
1434 The syntax string is scanned and operands are parsed and stored in FIELDS.
1435 Relocs are queued as we go via other callbacks.
1437 ??? Note that this is currently an all-or-nothing parser. If we fail to
1438 parse the instruction, we return 0 and the caller will start over from
1439 the beginning. Backtracking will be necessary in parsing subexpressions,
1440 but that can be handled there. Not handling backtracking here may get
1441 expensive in the case of the m68k. Deal with later.
1443 Returns NULL for success, an error message for failure. */
1446 parse_insn_normal (CGEN_CPU_DESC cd,
1447 const CGEN_INSN *insn,
1449 CGEN_FIELDS *fields)
1451 /* ??? Runtime added insns not handled yet. */
1452 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
1453 const char *str = *strp;
1456 const CGEN_SYNTAX_CHAR_TYPE * syn;
1457 #ifdef CGEN_MNEMONIC_OPERANDS
1462 /* For now we assume the mnemonic is first (there are no leading operands).
1463 We can parse it without needing to set up operand parsing.
1464 GAS's input scrubber will ensure mnemonics are lowercase, but we may
1465 not be called from GAS. */
1466 p = CGEN_INSN_MNEMONIC (insn);
1467 while (*p && TOLOWER (*p) == TOLOWER (*str))
1471 return _("unrecognized instruction");
1473 #ifndef CGEN_MNEMONIC_OPERANDS
1474 if (* str && ! ISSPACE (* str))
1475 return _("unrecognized instruction");
1478 CGEN_INIT_PARSE (cd);
1479 cgen_init_parse_operand (cd);
1480 #ifdef CGEN_MNEMONIC_OPERANDS
1484 /* We don't check for (*str != '\0') here because we want to parse
1485 any trailing fake arguments in the syntax string. */
1486 syn = CGEN_SYNTAX_STRING (syntax);
1488 /* Mnemonics come first for now, ensure valid string. */
1489 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
1496 /* Non operand chars must match exactly. */
1497 if (CGEN_SYNTAX_CHAR_P (* syn))
1499 /* FIXME: While we allow for non-GAS callers above, we assume the
1500 first char after the mnemonic part is a space. */
1501 /* FIXME: We also take inappropriate advantage of the fact that
1502 GAS's input scrubber will remove extraneous blanks. */
1503 if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))
1505 #ifdef CGEN_MNEMONIC_OPERANDS
1506 if (CGEN_SYNTAX_CHAR(* syn) == ' ')
1514 /* Syntax char didn't match. Can't be this insn. */
1515 static char msg [80];
1517 /* xgettext:c-format */
1518 sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
1519 CGEN_SYNTAX_CHAR(*syn), *str);
1524 /* Ran out of input. */
1525 static char msg [80];
1527 /* xgettext:c-format */
1528 sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"),
1529 CGEN_SYNTAX_CHAR(*syn));
1535 #ifdef CGEN_MNEMONIC_OPERANDS
1536 (void) past_opcode_p;
1538 /* We have an operand of some sort. */
1539 errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), &str, fields);
1543 /* Done with this operand, continue with next one. */
1547 /* If we're at the end of the syntax string, we're done. */
1550 /* FIXME: For the moment we assume a valid `str' can only contain
1551 blanks now. IE: We needn't try again with a longer version of
1552 the insn and it is assumed that longer versions of insns appear
1553 before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */
1554 while (ISSPACE (* str))
1558 return _("junk at end of line"); /* FIXME: would like to include `str' */
1563 /* We couldn't parse it. */
1564 return _("unrecognized instruction");
1567 /* Main entry point.
1568 This routine is called for each instruction to be assembled.
1569 STR points to the insn to be assembled.
1570 We assume all necessary tables have been initialized.
1571 The assembled instruction, less any fixups, is stored in BUF.
1572 Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value
1573 still needs to be converted to target byte order, otherwise BUF is an array
1574 of bytes in target byte order.
1575 The result is a pointer to the insn's entry in the opcode table,
1576 or NULL if an error occured (an error message will have already been
1579 Note that when processing (non-alias) macro-insns,
1580 this function recurses.
1582 ??? It's possible to make this cpu-independent.
1583 One would have to deal with a few minor things.
1584 At this point in time doing so would be more of a curiosity than useful
1585 [for example this file isn't _that_ big], but keeping the possibility in
1586 mind helps keep the design clean. */
1589 mep_cgen_assemble_insn (CGEN_CPU_DESC cd,
1591 CGEN_FIELDS *fields,
1592 CGEN_INSN_BYTES_PTR buf,
1596 CGEN_INSN_LIST *ilist;
1597 const char *parse_errmsg = NULL;
1598 const char *insert_errmsg = NULL;
1599 int recognized_mnemonic = 0;
1601 /* Skip leading white space. */
1602 while (ISSPACE (* str))
1605 /* The instructions are stored in hashed lists.
1606 Get the first in the list. */
1607 ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
1609 /* Keep looking until we find a match. */
1611 for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist))
1613 const CGEN_INSN *insn = ilist->insn;
1614 recognized_mnemonic = 1;
1616 #ifdef CGEN_VALIDATE_INSN_SUPPORTED
1617 /* Not usually needed as unsupported opcodes
1618 shouldn't be in the hash lists. */
1619 /* Is this insn supported by the selected cpu? */
1620 if (! mep_cgen_insn_supported (cd, insn))
1623 /* If the RELAXED attribute is set, this is an insn that shouldn't be
1624 chosen immediately. Instead, it is used during assembler/linker
1625 relaxation if possible. */
1626 if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
1631 /* Skip this insn if str doesn't look right lexically. */
1632 if (CGEN_INSN_RX (insn) != NULL &&
1633 regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH)
1636 /* Allow parse/insert handlers to obtain length of insn. */
1637 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
1639 parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
1640 if (parse_errmsg != NULL)
1643 /* ??? 0 is passed for `pc'. */
1644 insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
1646 if (insert_errmsg != NULL)
1649 /* It is up to the caller to actually output the insn and any
1655 static char errbuf[150];
1656 const char *tmp_errmsg;
1657 #ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
1658 #define be_verbose 1
1660 #define be_verbose 0
1665 /* If requesting verbose error messages, use insert_errmsg.
1666 Failing that, use parse_errmsg. */
1667 tmp_errmsg = (insert_errmsg ? insert_errmsg :
1668 parse_errmsg ? parse_errmsg :
1669 recognized_mnemonic ?
1670 _("unrecognized form of instruction") :
1671 _("unrecognized instruction"));
1673 if (strlen (start) > 50)
1674 /* xgettext:c-format */
1675 sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start);
1677 /* xgettext:c-format */
1678 sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start);
1682 if (strlen (start) > 50)
1683 /* xgettext:c-format */
1684 sprintf (errbuf, _("bad instruction `%.50s...'"), start);
1686 /* xgettext:c-format */
1687 sprintf (errbuf, _("bad instruction `%.50s'"), start);