1 /* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */
2 /* Assembler interface for targets using CGEN. -*- C -*-
3 CGEN: Cpu tools GENerator
5 THIS FILE IS MACHINE GENERATED WITH CGEN.
6 - the resultant file is machine generated, cgen-asm.in isn't
8 Copyright (C) 1996-2018 Free Software Foundation, Inc.
10 This file is part of libopcodes.
12 This library is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3, or (at your option)
17 It is distributed in the hope that it will be useful, but WITHOUT
18 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
19 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
20 License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software Foundation, Inc.,
24 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
27 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
39 #include "libiberty.h"
40 #include "safe-ctype.h"
43 #define min(a,b) ((a) < (b) ? (a) : (b))
45 #define max(a,b) ((a) > (b) ? (a) : (b))
47 static const char * parse_insn_normal
48 (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *);
50 /* -- assembler routines inserted here. */
56 #define CGEN_VALIDATE_INSN_SUPPORTED
57 #define mep_cgen_insn_supported mep_cgen_insn_supported_asm
59 const char * parse_csrn (CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *);
60 const char * parse_tpreg (CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *);
61 const char * parse_spreg (CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *);
62 const char * parse_mep_align (CGEN_CPU_DESC, const char **, enum cgen_operand_type, long *);
63 const char * parse_mep_alignu (CGEN_CPU_DESC, const char **, enum cgen_operand_type, unsigned long *);
64 static const char * parse_signed16 (CGEN_CPU_DESC, const char **, int, long *);
65 static const char * parse_signed16_range (CGEN_CPU_DESC, const char **, int, long *) ATTRIBUTE_UNUSED;
66 static const char * parse_unsigned16 (CGEN_CPU_DESC, const char **, int, unsigned long *);
67 static const char * parse_unsigned16_range (CGEN_CPU_DESC, const char **, int, unsigned long *) ATTRIBUTE_UNUSED;
68 static const char * parse_lo16 (CGEN_CPU_DESC, const char **, int, long *, long);
69 static const char * parse_unsigned7 (CGEN_CPU_DESC, const char **, enum cgen_operand_type, unsigned long *);
70 static const char * parse_zero (CGEN_CPU_DESC, const char **, int, long *);
73 parse_csrn (CGEN_CPU_DESC cd, const char **strp,
74 CGEN_KEYWORD *keyword_table, long *field)
79 err = cgen_parse_keyword (cd, strp, keyword_table, field);
83 err = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CSRN_IDX, & value);
90 /* begin-cop-ip-parse-handlers */
92 parse_ivc2_cr (CGEN_CPU_DESC,
95 long *) ATTRIBUTE_UNUSED;
97 parse_ivc2_cr (CGEN_CPU_DESC cd,
99 CGEN_KEYWORD *keyword_table ATTRIBUTE_UNUSED,
102 return cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr_ivc2, field);
105 parse_ivc2_ccr (CGEN_CPU_DESC,
108 long *) ATTRIBUTE_UNUSED;
110 parse_ivc2_ccr (CGEN_CPU_DESC cd,
112 CGEN_KEYWORD *keyword_table ATTRIBUTE_UNUSED,
115 return cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, field);
117 /* end-cop-ip-parse-handlers */
120 parse_tpreg (CGEN_CPU_DESC cd, const char ** strp,
121 CGEN_KEYWORD *keyword_table, long *field)
125 err = cgen_parse_keyword (cd, strp, keyword_table, field);
129 return _("Only $tp or $13 allowed for this opcode");
134 parse_spreg (CGEN_CPU_DESC cd, const char ** strp,
135 CGEN_KEYWORD *keyword_table, long *field)
139 err = cgen_parse_keyword (cd, strp, keyword_table, field);
143 return _("Only $sp or $15 allowed for this opcode");
148 parse_mep_align (CGEN_CPU_DESC cd, const char ** strp,
149 enum cgen_operand_type type, long *field)
156 case MEP_OPERAND_PCREL8A2:
157 case MEP_OPERAND_PCREL12A2:
158 case MEP_OPERAND_PCREL17A2:
159 case MEP_OPERAND_PCREL24A2:
160 err = cgen_parse_signed_integer (cd, strp, type, field);
162 case MEP_OPERAND_PCABS24A2:
163 case MEP_OPERAND_UDISP7:
164 case MEP_OPERAND_UDISP7A2:
165 case MEP_OPERAND_UDISP7A4:
166 case MEP_OPERAND_UIMM7A4:
167 case MEP_OPERAND_ADDR24A4:
168 err = cgen_parse_unsigned_integer (cd, strp, type, (unsigned long *) field);
177 case MEP_OPERAND_UDISP7:
180 case MEP_OPERAND_PCREL8A2:
181 case MEP_OPERAND_PCREL12A2:
182 case MEP_OPERAND_PCREL17A2:
183 case MEP_OPERAND_PCREL24A2:
184 case MEP_OPERAND_PCABS24A2:
185 case MEP_OPERAND_UDISP7A2:
188 case MEP_OPERAND_UDISP7A4:
189 case MEP_OPERAND_UIMM7A4:
190 case MEP_OPERAND_ADDR24A4:
196 /* Safe assumption? */
200 return "Value is not aligned enough";
205 parse_mep_alignu (CGEN_CPU_DESC cd, const char ** strp,
206 enum cgen_operand_type type, unsigned long *field)
208 return parse_mep_align (cd, strp, type, (long *) field);
212 /* Handle %lo(), %tpoff(), %sdaoff(), %hi(), and other signed
213 constants in a signed context. */
216 parse_signed16 (CGEN_CPU_DESC cd,
221 return parse_lo16 (cd, strp, opindex, valuep, 1);
225 parse_lo16 (CGEN_CPU_DESC cd,
232 enum cgen_parse_operand_result result_type;
235 if (strncasecmp (*strp, "%lo(", 4) == 0)
238 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_LOW16,
239 & result_type, & value);
241 return _("missing `)'");
244 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
247 *valuep = (long)(short) value;
253 if (strncasecmp (*strp, "%hi(", 4) == 0)
256 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16S,
257 & result_type, & value);
259 return _("missing `)'");
262 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
263 value = (value + 0x8000) >> 16;
268 if (strncasecmp (*strp, "%uhi(", 5) == 0)
271 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16U,
272 & result_type, & value);
274 return _("missing `)'");
277 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
283 if (strncasecmp (*strp, "%sdaoff(", 8) == 0)
286 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_GPREL,
289 return _("missing `)'");
295 if (strncasecmp (*strp, "%tpoff(", 7) == 0)
298 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_TPREL,
301 return _("missing `)'");
308 return _("invalid %function() here");
310 return cgen_parse_signed_integer (cd, strp, opindex, valuep);
314 parse_unsigned16 (CGEN_CPU_DESC cd,
317 unsigned long *valuep)
319 return parse_lo16 (cd, strp, opindex, (long *) valuep, 0);
323 parse_signed16_range (CGEN_CPU_DESC cd,
328 const char *errmsg = 0;
331 errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
335 if (value < -32768 || value > 32767)
336 return _("Immediate is out of range -32768 to 32767");
343 parse_unsigned16_range (CGEN_CPU_DESC cd,
346 unsigned long *valuep)
348 const char *errmsg = 0;
351 errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value);
356 return _("Immediate is out of range 0 to 65535");
362 /* A special case of parse_signed16 which accepts only the value zero. */
365 parse_zero (CGEN_CPU_DESC cd, const char **strp, int opindex, long *valuep)
368 enum cgen_parse_operand_result result_type;
371 /*fprintf(stderr, "dj: signed parse opindex `%s'\n", *strp);*/
373 /* Prevent ($ry) from being attempted as an expression on 'sw $rx,($ry)'.
374 It will fail and cause ry to be listed as an undefined symbol in the
376 if (strncmp (*strp, "($", 2) == 0)
377 return "not zero"; /* any string will do -- will never be seen. */
379 if (strncasecmp (*strp, "%lo(", 4) == 0)
382 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_LOW16,
383 &result_type, &value);
385 return "missing `)'";
388 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
389 return "not zero"; /* any string will do -- will never be seen. */
394 if (strncasecmp (*strp, "%hi(", 4) == 0)
397 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16S,
398 &result_type, &value);
400 return "missing `)'";
403 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
404 return "not zero"; /* any string will do -- will never be seen. */
409 if (strncasecmp (*strp, "%uhi(", 5) == 0)
412 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_HI16U,
413 &result_type, &value);
415 return "missing `)'";
418 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
419 return "not zero"; /* any string will do -- will never be seen. */
424 if (strncasecmp (*strp, "%sdaoff(", 8) == 0)
427 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_GPREL,
428 &result_type, &value);
430 return "missing `)'";
433 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
434 return "not zero"; /* any string will do -- will never be seen. */
439 if (strncasecmp (*strp, "%tpoff(", 7) == 0)
442 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_MEP_TPREL,
443 &result_type, &value);
445 return "missing `)'";
448 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
449 return "not zero"; /* any string will do -- will never be seen. */
455 return "invalid %function() here";
457 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_NONE,
458 &result_type, &value);
460 && (result_type != CGEN_PARSE_OPERAND_RESULT_NUMBER || value != 0))
461 return "not zero"; /* any string will do -- will never be seen. */
467 parse_unsigned7 (CGEN_CPU_DESC cd, const char **strp,
468 enum cgen_operand_type opindex, unsigned long *valuep)
473 /* fprintf(stderr, "dj: unsigned7 parse `%s'\n", *strp); */
475 if (strncasecmp (*strp, "%tpoff(", 7) == 0)
481 case MEP_OPERAND_UDISP7:
482 reloc = BFD_RELOC_MEP_TPREL7;
484 case MEP_OPERAND_UDISP7A2:
485 reloc = BFD_RELOC_MEP_TPREL7A2;
487 case MEP_OPERAND_UDISP7A4:
488 reloc = BFD_RELOC_MEP_TPREL7A4;
491 /* Safe assumption? */
494 errmsg = cgen_parse_address (cd, strp, opindex, reloc,
497 return "missing `)'";
504 return _("invalid %function() here");
506 return parse_mep_alignu (cd, strp, opindex, valuep);
509 static ATTRIBUTE_UNUSED const char *
510 parse_cdisp10 (CGEN_CPU_DESC cd,
515 const char *errmsg = 0;
523 case MEP_OPERAND_CDISP10A4:
526 case MEP_OPERAND_CDISP10A2:
529 case MEP_OPERAND_CDISP10:
535 if ((MEP_CPU & EF_MEP_CPU_MASK) == EF_MEP_CPU_C5)
538 if (strncmp (*strp, "0x0", 3) == 0
539 || (**strp == '0' && *(*strp + 1) != 'x'))
542 errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
548 if (value < -512 || value > 511)
549 return _("Immediate is out of range -512 to 511");
553 if (value < -128 || value > 127)
554 return _("Immediate is out of range -128 to 127");
557 if (value & ((1<<alignment)-1))
558 return _("Value is not aligned enough");
560 /* If this field may require a relocation then use larger dsp16. */
561 if (! have_zero && value == 0)
562 return (wide ? _("Immediate is out of range -512 to 511")
563 : _("Immediate is out of range -128 to 127"));
569 /* BEGIN LIGHTWEIGHT MACRO PROCESSOR. */
587 { "sizeof", "(`1.end + (- `1))"},
588 { "startof", "(`1 | 0)" },
589 { "align4", "(`1&(~3))"},
590 /*{ "hi", "(((`1+0x8000)>>16) & 0xffff)" }, */
591 /*{ "lo", "(`1 & 0xffff)" }, */
592 /*{ "sdaoff", "((`1-__sdabase) & 0x7f)"}, */
593 /*{ "tpoff", "((`1-__tpbase) & 0x7f)"}, */
597 static char * expand_string (const char *, int);
600 mep_cgen_expand_macros_and_parse_operand
601 (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
604 str_append (char *dest, const char *input, int len)
611 /* printf("str_append: <<%s>>, <<%s>>, %d\n", dest, input, len); */
612 oldlen = (dest ? strlen(dest) : 0);
613 new_dest = realloc (dest, oldlen + len + 1);
614 memset (new_dest + oldlen, 0, len + 1);
615 return strncat (new_dest, input, len);
619 lookup_macro (const char *name)
623 for (m = macros; m->name; ++m)
624 if (strncmp (m->name, name, strlen(m->name)) == 0)
631 expand_macro (arg *args, int narg, macro *mac)
633 char *result = 0, *rescanned_result = 0;
634 char *e = mac->expansion;
638 /* printf("expanding macro %s with %d args\n", mac->name, narg + 1); */
643 ((*(e + 1) - '1') <= MAXARGS) &&
644 ((*(e + 1) - '1') <= narg))
646 result = str_append (result, mark, e - mark);
647 mac_arg = (*(e + 1) - '1');
648 /* printf("replacing `%d with %s\n", mac_arg+1, args[mac_arg].start); */
649 result = str_append (result, args[mac_arg].start, args[mac_arg].len);
657 result = str_append (result, mark, e - mark);
661 rescanned_result = expand_string (result, 0);
663 return rescanned_result;
673 expand_string (const char *in, int first_only)
675 int num_expansions = 0;
680 const char *mark = in;
681 macro *pmacro = NULL;
690 if (*in == '%' && *(in + 1) && (!first_only || num_expansions == 0))
692 pmacro = lookup_macro (in + 1);
695 /* printf("entering state %d at '%s'...\n", state, in); */
696 result = str_append (result, mark, in - mark);
698 in += 1 + strlen (pmacro->name);
699 while (*in == ' ') ++in;
709 args[narg].start = in + 1;
723 args[narg].start = (in + 1);
728 /* printf("entering state %d at '%s'...\n", state, in); */
732 expansion = expand_macro (args, narg, pmacro);
736 result = str_append (result, expansion, strlen (expansion));
742 result = str_append (result, mark, in - mark);
768 result = str_append (result, mark, in - mark);
778 /* END LIGHTWEIGHT MACRO PROCESSOR. */
780 const char * mep_cgen_parse_operand
781 (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
784 mep_cgen_expand_macros_and_parse_operand (CGEN_CPU_DESC cd, int opindex,
785 const char ** strp_in, CGEN_FIELDS * fields)
787 const char * errmsg = NULL;
788 char *str = 0, *hold = 0;
789 const char **strp = 0;
791 /* Set up a new pointer to macro-expanded string. */
792 str = expand_string (*strp_in, 1);
793 /* fprintf (stderr, " expanded <<%s>> to <<%s>>\n", *strp_in, str); */
796 strp = (const char **)(&str);
798 errmsg = mep_cgen_parse_operand (cd, opindex, strp, fields);
800 /* Now work out the advance. */
801 if (strlen (str) == 0)
802 *strp_in += strlen (*strp_in);
806 if (strstr (*strp_in, str))
807 /* A macro-expansion was pulled off the front. */
808 *strp_in = strstr (*strp_in, str);
810 /* A non-macro-expansion was pulled off the front. */
811 *strp_in += (str - hold);
820 #define CGEN_ASM_INIT_HOOK (cd->parse_operand = mep_cgen_expand_macros_and_parse_operand);
824 const char * mep_cgen_parse_operand
825 (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
827 /* Main entry point for operand parsing.
829 This function is basically just a big switch statement. Earlier versions
830 used tables to look up the function to use, but
831 - if the table contains both assembler and disassembler functions then
832 the disassembler contains much of the assembler and vice-versa,
833 - there's a lot of inlining possibilities as things grow,
834 - using a switch statement avoids the function call overhead.
836 This function could be moved into `parse_insn_normal', but keeping it
837 separate makes clear the interface between `parse_insn_normal' and each of
841 mep_cgen_parse_operand (CGEN_CPU_DESC cd,
844 CGEN_FIELDS * fields)
846 const char * errmsg = NULL;
847 /* Used by scalar operands that still need to be parsed. */
848 long junk ATTRIBUTE_UNUSED;
852 case MEP_OPERAND_ADDR24A4 :
853 errmsg = parse_mep_alignu (cd, strp, MEP_OPERAND_ADDR24A4, (unsigned long *) (& fields->f_24u8a4n));
855 case MEP_OPERAND_C5RMUIMM20 :
856 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_C5RMUIMM20, (unsigned long *) (& fields->f_c5_rmuimm20));
858 case MEP_OPERAND_C5RNMUIMM24 :
859 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_C5RNMUIMM24, (unsigned long *) (& fields->f_c5_rnmuimm24));
861 case MEP_OPERAND_CALLNUM :
862 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CALLNUM, (unsigned long *) (& fields->f_callnum));
864 case MEP_OPERAND_CCCC :
865 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CCCC, (unsigned long *) (& fields->f_rm));
867 case MEP_OPERAND_CCRN :
868 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr, & fields->f_ccrn);
870 case MEP_OPERAND_CDISP10 :
871 errmsg = parse_cdisp10 (cd, strp, MEP_OPERAND_CDISP10, (long *) (& fields->f_cdisp10));
873 case MEP_OPERAND_CDISP10A2 :
874 errmsg = parse_cdisp10 (cd, strp, MEP_OPERAND_CDISP10A2, (long *) (& fields->f_cdisp10));
876 case MEP_OPERAND_CDISP10A4 :
877 errmsg = parse_cdisp10 (cd, strp, MEP_OPERAND_CDISP10A4, (long *) (& fields->f_cdisp10));
879 case MEP_OPERAND_CDISP10A8 :
880 errmsg = parse_cdisp10 (cd, strp, MEP_OPERAND_CDISP10A8, (long *) (& fields->f_cdisp10));
882 case MEP_OPERAND_CDISP12 :
883 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_CDISP12, (long *) (& fields->f_12s20));
885 case MEP_OPERAND_CIMM4 :
886 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CIMM4, (unsigned long *) (& fields->f_rn));
888 case MEP_OPERAND_CIMM5 :
889 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CIMM5, (unsigned long *) (& fields->f_5u24));
891 case MEP_OPERAND_CODE16 :
892 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CODE16, (unsigned long *) (& fields->f_16u16));
894 case MEP_OPERAND_CODE24 :
895 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CODE24, (unsigned long *) (& fields->f_24u4n));
897 case MEP_OPERAND_CP_FLAG :
898 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr, & junk);
900 case MEP_OPERAND_CRN :
901 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr, & fields->f_crn);
903 case MEP_OPERAND_CRN64 :
904 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_crn);
906 case MEP_OPERAND_CRNX :
907 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr, & fields->f_crnx);
909 case MEP_OPERAND_CRNX64 :
910 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_crnx);
912 case MEP_OPERAND_CROC :
913 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u7);
915 case MEP_OPERAND_CROP :
916 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u23);
918 case MEP_OPERAND_CRPC :
919 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u26);
921 case MEP_OPERAND_CRPP :
922 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u18);
924 case MEP_OPERAND_CRQC :
925 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u21);
927 case MEP_OPERAND_CRQP :
928 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_5u13);
930 case MEP_OPERAND_CSRN :
931 errmsg = parse_csrn (cd, strp, & mep_cgen_opval_h_csr, & fields->f_csrn);
933 case MEP_OPERAND_CSRN_IDX :
934 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_CSRN_IDX, (unsigned long *) (& fields->f_csrn));
936 case MEP_OPERAND_DBG :
937 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
939 case MEP_OPERAND_DEPC :
940 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
942 case MEP_OPERAND_EPC :
943 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
945 case MEP_OPERAND_EXC :
946 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
948 case MEP_OPERAND_HI :
949 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
951 case MEP_OPERAND_IMM16P0 :
952 errmsg = parse_unsigned16_range (cd, strp, MEP_OPERAND_IMM16P0, (unsigned long *) (& fields->f_ivc2_imm16p0));
954 case MEP_OPERAND_IMM3P12 :
955 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P12, (unsigned long *) (& fields->f_ivc2_3u12));
957 case MEP_OPERAND_IMM3P25 :
958 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P25, (unsigned long *) (& fields->f_ivc2_3u25));
960 case MEP_OPERAND_IMM3P4 :
961 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P4, (unsigned long *) (& fields->f_ivc2_3u4));
963 case MEP_OPERAND_IMM3P5 :
964 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P5, (unsigned long *) (& fields->f_ivc2_3u5));
966 case MEP_OPERAND_IMM3P9 :
967 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM3P9, (unsigned long *) (& fields->f_ivc2_3u9));
969 case MEP_OPERAND_IMM4P10 :
970 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM4P10, (unsigned long *) (& fields->f_ivc2_4u10));
972 case MEP_OPERAND_IMM4P4 :
973 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM4P4, (unsigned long *) (& fields->f_ivc2_4u4));
975 case MEP_OPERAND_IMM4P8 :
976 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM4P8, (unsigned long *) (& fields->f_ivc2_4u8));
978 case MEP_OPERAND_IMM5P23 :
979 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM5P23, (unsigned long *) (& fields->f_ivc2_5u23));
981 case MEP_OPERAND_IMM5P3 :
982 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM5P3, (unsigned long *) (& fields->f_ivc2_5u3));
984 case MEP_OPERAND_IMM5P7 :
985 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM5P7, (unsigned long *) (& fields->f_ivc2_5u7));
987 case MEP_OPERAND_IMM5P8 :
988 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM5P8, (unsigned long *) (& fields->f_ivc2_5u8));
990 case MEP_OPERAND_IMM6P2 :
991 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM6P2, (unsigned long *) (& fields->f_ivc2_6u2));
993 case MEP_OPERAND_IMM6P6 :
994 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM6P6, (unsigned long *) (& fields->f_ivc2_6u6));
996 case MEP_OPERAND_IMM8P0 :
997 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM8P0, (unsigned long *) (& fields->f_ivc2_8u0));
999 case MEP_OPERAND_IMM8P20 :
1000 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM8P20, (unsigned long *) (& fields->f_ivc2_8u20));
1002 case MEP_OPERAND_IMM8P4 :
1003 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IMM8P4, (unsigned long *) (& fields->f_ivc2_8u4));
1005 case MEP_OPERAND_IVC_X_0_2 :
1006 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_0_2, (unsigned long *) (& fields->f_ivc2_2u0));
1008 case MEP_OPERAND_IVC_X_0_3 :
1009 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_0_3, (unsigned long *) (& fields->f_ivc2_3u0));
1011 case MEP_OPERAND_IVC_X_0_4 :
1012 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_0_4, (unsigned long *) (& fields->f_ivc2_4u0));
1014 case MEP_OPERAND_IVC_X_0_5 :
1015 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_0_5, (unsigned long *) (& fields->f_ivc2_5u0));
1017 case MEP_OPERAND_IVC_X_6_1 :
1018 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_6_1, (unsigned long *) (& fields->f_ivc2_1u6));
1020 case MEP_OPERAND_IVC_X_6_2 :
1021 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_6_2, (unsigned long *) (& fields->f_ivc2_2u6));
1023 case MEP_OPERAND_IVC_X_6_3 :
1024 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_IVC_X_6_3, (unsigned long *) (& fields->f_ivc2_3u6));
1026 case MEP_OPERAND_IVC2_ACC0_0 :
1027 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1029 case MEP_OPERAND_IVC2_ACC0_1 :
1030 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1032 case MEP_OPERAND_IVC2_ACC0_2 :
1033 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1035 case MEP_OPERAND_IVC2_ACC0_3 :
1036 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1038 case MEP_OPERAND_IVC2_ACC0_4 :
1039 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1041 case MEP_OPERAND_IVC2_ACC0_5 :
1042 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1044 case MEP_OPERAND_IVC2_ACC0_6 :
1045 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1047 case MEP_OPERAND_IVC2_ACC0_7 :
1048 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1050 case MEP_OPERAND_IVC2_ACC1_0 :
1051 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1053 case MEP_OPERAND_IVC2_ACC1_1 :
1054 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1056 case MEP_OPERAND_IVC2_ACC1_2 :
1057 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1059 case MEP_OPERAND_IVC2_ACC1_3 :
1060 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1062 case MEP_OPERAND_IVC2_ACC1_4 :
1063 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1065 case MEP_OPERAND_IVC2_ACC1_5 :
1066 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1068 case MEP_OPERAND_IVC2_ACC1_6 :
1069 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1071 case MEP_OPERAND_IVC2_ACC1_7 :
1072 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1074 case MEP_OPERAND_IVC2_CC :
1075 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1077 case MEP_OPERAND_IVC2_COFA0 :
1078 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1080 case MEP_OPERAND_IVC2_COFA1 :
1081 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1083 case MEP_OPERAND_IVC2_COFR0 :
1084 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1086 case MEP_OPERAND_IVC2_COFR1 :
1087 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1089 case MEP_OPERAND_IVC2_CSAR0 :
1090 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1092 case MEP_OPERAND_IVC2_CSAR1 :
1093 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & junk);
1095 case MEP_OPERAND_IVC2C3CCRN :
1096 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & fields->f_ivc2_ccrn_c3);
1098 case MEP_OPERAND_IVC2CCRN :
1099 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_ccr_ivc2, & fields->f_ivc2_ccrn);
1101 case MEP_OPERAND_IVC2CRN :
1102 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_cr64, & fields->f_ivc2_crnx);
1104 case MEP_OPERAND_IVC2RM :
1105 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_ivc2_crm);
1107 case MEP_OPERAND_LO :
1108 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1110 case MEP_OPERAND_LP :
1111 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1113 case MEP_OPERAND_MB0 :
1114 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1116 case MEP_OPERAND_MB1 :
1117 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1119 case MEP_OPERAND_ME0 :
1120 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1122 case MEP_OPERAND_ME1 :
1123 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1125 case MEP_OPERAND_NPC :
1126 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1128 case MEP_OPERAND_OPT :
1129 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1131 case MEP_OPERAND_PCABS24A2 :
1132 errmsg = parse_mep_alignu (cd, strp, MEP_OPERAND_PCABS24A2, (unsigned long *) (& fields->f_24u5a2n));
1134 case MEP_OPERAND_PCREL12A2 :
1135 errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL12A2, (long *) (& fields->f_12s4a2));
1137 case MEP_OPERAND_PCREL17A2 :
1138 errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL17A2, (long *) (& fields->f_17s16a2));
1140 case MEP_OPERAND_PCREL24A2 :
1141 errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL24A2, (long *) (& fields->f_24s5a2n));
1143 case MEP_OPERAND_PCREL8A2 :
1144 errmsg = parse_mep_align (cd, strp, MEP_OPERAND_PCREL8A2, (long *) (& fields->f_8s8a2));
1146 case MEP_OPERAND_PSW :
1147 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1149 case MEP_OPERAND_R0 :
1150 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1152 case MEP_OPERAND_R1 :
1153 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1155 case MEP_OPERAND_RL :
1156 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rl);
1158 case MEP_OPERAND_RL5 :
1159 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rl5);
1161 case MEP_OPERAND_RM :
1162 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rm);
1164 case MEP_OPERAND_RMA :
1165 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rm);
1167 case MEP_OPERAND_RN :
1168 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1170 case MEP_OPERAND_RN3 :
1171 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1173 case MEP_OPERAND_RN3C :
1174 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1176 case MEP_OPERAND_RN3L :
1177 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1179 case MEP_OPERAND_RN3S :
1180 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1182 case MEP_OPERAND_RN3UC :
1183 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1185 case MEP_OPERAND_RN3UL :
1186 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1188 case MEP_OPERAND_RN3US :
1189 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn3);
1191 case MEP_OPERAND_RNC :
1192 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1194 case MEP_OPERAND_RNL :
1195 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1197 case MEP_OPERAND_RNS :
1198 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1200 case MEP_OPERAND_RNUC :
1201 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1203 case MEP_OPERAND_RNUL :
1204 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1206 case MEP_OPERAND_RNUS :
1207 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & fields->f_rn);
1209 case MEP_OPERAND_SAR :
1210 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_csr, & junk);
1212 case MEP_OPERAND_SDISP16 :
1213 errmsg = parse_signed16 (cd, strp, MEP_OPERAND_SDISP16, (long *) (& fields->f_16s16));
1215 case MEP_OPERAND_SIMM16 :
1216 errmsg = parse_signed16 (cd, strp, MEP_OPERAND_SIMM16, (long *) (& fields->f_16s16));
1218 case MEP_OPERAND_SIMM16P0 :
1219 errmsg = parse_signed16_range (cd, strp, MEP_OPERAND_SIMM16P0, (long *) (& fields->f_ivc2_simm16p0));
1221 case MEP_OPERAND_SIMM6 :
1222 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM6, (long *) (& fields->f_6s8));
1224 case MEP_OPERAND_SIMM8 :
1225 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM8, (long *) (& fields->f_8s8));
1227 case MEP_OPERAND_SIMM8P0 :
1228 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM8P0, (long *) (& fields->f_ivc2_8s0));
1230 case MEP_OPERAND_SIMM8P20 :
1231 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM8P20, (long *) (& fields->f_ivc2_8s20));
1233 case MEP_OPERAND_SIMM8P4 :
1234 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_SIMM8P4, (long *) (& fields->f_ivc2_8s4));
1236 case MEP_OPERAND_SP :
1237 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1239 case MEP_OPERAND_SPR :
1240 errmsg = parse_spreg (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1242 case MEP_OPERAND_TP :
1243 errmsg = cgen_parse_keyword (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1245 case MEP_OPERAND_TPR :
1246 errmsg = parse_tpreg (cd, strp, & mep_cgen_opval_h_gpr, & junk);
1248 case MEP_OPERAND_UDISP2 :
1249 errmsg = cgen_parse_signed_integer (cd, strp, MEP_OPERAND_UDISP2, (long *) (& fields->f_2u6));
1251 case MEP_OPERAND_UDISP7 :
1252 errmsg = parse_unsigned7 (cd, strp, MEP_OPERAND_UDISP7, (unsigned long *) (& fields->f_7u9));
1254 case MEP_OPERAND_UDISP7A2 :
1255 errmsg = parse_unsigned7 (cd, strp, MEP_OPERAND_UDISP7A2, (unsigned long *) (& fields->f_7u9a2));
1257 case MEP_OPERAND_UDISP7A4 :
1258 errmsg = parse_unsigned7 (cd, strp, MEP_OPERAND_UDISP7A4, (unsigned long *) (& fields->f_7u9a4));
1260 case MEP_OPERAND_UIMM16 :
1261 errmsg = parse_unsigned16 (cd, strp, MEP_OPERAND_UIMM16, (unsigned long *) (& fields->f_16u16));
1263 case MEP_OPERAND_UIMM2 :
1264 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM2, (unsigned long *) (& fields->f_2u10));
1266 case MEP_OPERAND_UIMM24 :
1267 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM24, (unsigned long *) (& fields->f_24u8n));
1269 case MEP_OPERAND_UIMM3 :
1270 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM3, (unsigned long *) (& fields->f_3u5));
1272 case MEP_OPERAND_UIMM4 :
1273 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM4, (unsigned long *) (& fields->f_4u8));
1275 case MEP_OPERAND_UIMM5 :
1276 errmsg = cgen_parse_unsigned_integer (cd, strp, MEP_OPERAND_UIMM5, (unsigned long *) (& fields->f_5u8));
1278 case MEP_OPERAND_UIMM7A4 :
1279 errmsg = parse_mep_alignu (cd, strp, MEP_OPERAND_UIMM7A4, (unsigned long *) (& fields->f_7u9a4));
1281 case MEP_OPERAND_ZERO :
1282 errmsg = parse_zero (cd, strp, MEP_OPERAND_ZERO, (long *) (& junk));
1286 /* xgettext:c-format */
1287 opcodes_error_handler
1288 (_("internal error: unrecognized field %d while parsing"),
1296 cgen_parse_fn * const mep_cgen_parse_handlers[] =
1302 mep_cgen_init_asm (CGEN_CPU_DESC cd)
1304 mep_cgen_init_opcode_table (cd);
1305 mep_cgen_init_ibld_table (cd);
1306 cd->parse_handlers = & mep_cgen_parse_handlers[0];
1307 cd->parse_operand = mep_cgen_parse_operand;
1308 #ifdef CGEN_ASM_INIT_HOOK
1315 /* Regex construction routine.
1317 This translates an opcode syntax string into a regex string,
1318 by replacing any non-character syntax element (such as an
1319 opcode) with the pattern '.*'
1321 It then compiles the regex and stores it in the opcode, for
1322 later use by mep_cgen_assemble_insn
1324 Returns NULL for success, an error message for failure. */
1327 mep_cgen_build_insn_regex (CGEN_INSN *insn)
1329 CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
1330 const char *mnem = CGEN_INSN_MNEMONIC (insn);
1331 char rxbuf[CGEN_MAX_RX_ELEMENTS];
1333 const CGEN_SYNTAX_CHAR_TYPE *syn;
1336 syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc));
1338 /* Mnemonics come first in the syntax string. */
1339 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
1340 return _("missing mnemonic in syntax string");
1343 /* Generate a case sensitive regular expression that emulates case
1344 insensitive matching in the "C" locale. We cannot generate a case
1345 insensitive regular expression because in Turkish locales, 'i' and 'I'
1346 are not equal modulo case conversion. */
1348 /* Copy the literal mnemonic out of the insn. */
1349 for (; *mnem; mnem++)
1356 *rx++ = TOLOWER (c);
1357 *rx++ = TOUPPER (c);
1364 /* Copy any remaining literals from the syntax string into the rx. */
1365 for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn)
1367 if (CGEN_SYNTAX_CHAR_P (* syn))
1369 char c = CGEN_SYNTAX_CHAR (* syn);
1373 /* Escape any regex metacharacters in the syntax. */
1374 case '.': case '[': case '\\':
1375 case '*': case '^': case '$':
1377 #ifdef CGEN_ESCAPE_EXTENDED_REGEX
1378 case '?': case '{': case '}':
1379 case '(': case ')': case '*':
1380 case '|': case '+': case ']':
1390 *rx++ = TOLOWER (c);
1391 *rx++ = TOUPPER (c);
1401 /* Replace non-syntax fields with globs. */
1407 /* Trailing whitespace ok. */
1414 /* But anchor it after that. */
1418 CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t));
1419 reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB);
1425 static char msg[80];
1427 regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80);
1428 regfree ((regex_t *) CGEN_INSN_RX (insn));
1429 free (CGEN_INSN_RX (insn));
1430 (CGEN_INSN_RX (insn)) = NULL;
1436 /* Default insn parser.
1438 The syntax string is scanned and operands are parsed and stored in FIELDS.
1439 Relocs are queued as we go via other callbacks.
1441 ??? Note that this is currently an all-or-nothing parser. If we fail to
1442 parse the instruction, we return 0 and the caller will start over from
1443 the beginning. Backtracking will be necessary in parsing subexpressions,
1444 but that can be handled there. Not handling backtracking here may get
1445 expensive in the case of the m68k. Deal with later.
1447 Returns NULL for success, an error message for failure. */
1450 parse_insn_normal (CGEN_CPU_DESC cd,
1451 const CGEN_INSN *insn,
1453 CGEN_FIELDS *fields)
1455 /* ??? Runtime added insns not handled yet. */
1456 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
1457 const char *str = *strp;
1460 const CGEN_SYNTAX_CHAR_TYPE * syn;
1461 #ifdef CGEN_MNEMONIC_OPERANDS
1466 /* For now we assume the mnemonic is first (there are no leading operands).
1467 We can parse it without needing to set up operand parsing.
1468 GAS's input scrubber will ensure mnemonics are lowercase, but we may
1469 not be called from GAS. */
1470 p = CGEN_INSN_MNEMONIC (insn);
1471 while (*p && TOLOWER (*p) == TOLOWER (*str))
1475 return _("unrecognized instruction");
1477 #ifndef CGEN_MNEMONIC_OPERANDS
1478 if (* str && ! ISSPACE (* str))
1479 return _("unrecognized instruction");
1482 CGEN_INIT_PARSE (cd);
1483 cgen_init_parse_operand (cd);
1484 #ifdef CGEN_MNEMONIC_OPERANDS
1488 /* We don't check for (*str != '\0') here because we want to parse
1489 any trailing fake arguments in the syntax string. */
1490 syn = CGEN_SYNTAX_STRING (syntax);
1492 /* Mnemonics come first for now, ensure valid string. */
1493 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
1500 /* Non operand chars must match exactly. */
1501 if (CGEN_SYNTAX_CHAR_P (* syn))
1503 /* FIXME: While we allow for non-GAS callers above, we assume the
1504 first char after the mnemonic part is a space. */
1505 /* FIXME: We also take inappropriate advantage of the fact that
1506 GAS's input scrubber will remove extraneous blanks. */
1507 if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))
1509 #ifdef CGEN_MNEMONIC_OPERANDS
1510 if (CGEN_SYNTAX_CHAR(* syn) == ' ')
1518 /* Syntax char didn't match. Can't be this insn. */
1519 static char msg [80];
1521 /* xgettext:c-format */
1522 sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
1523 CGEN_SYNTAX_CHAR(*syn), *str);
1528 /* Ran out of input. */
1529 static char msg [80];
1531 /* xgettext:c-format */
1532 sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"),
1533 CGEN_SYNTAX_CHAR(*syn));
1539 #ifdef CGEN_MNEMONIC_OPERANDS
1540 (void) past_opcode_p;
1542 /* We have an operand of some sort. */
1543 errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), &str, fields);
1547 /* Done with this operand, continue with next one. */
1551 /* If we're at the end of the syntax string, we're done. */
1554 /* FIXME: For the moment we assume a valid `str' can only contain
1555 blanks now. IE: We needn't try again with a longer version of
1556 the insn and it is assumed that longer versions of insns appear
1557 before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */
1558 while (ISSPACE (* str))
1562 return _("junk at end of line"); /* FIXME: would like to include `str' */
1567 /* We couldn't parse it. */
1568 return _("unrecognized instruction");
1571 /* Main entry point.
1572 This routine is called for each instruction to be assembled.
1573 STR points to the insn to be assembled.
1574 We assume all necessary tables have been initialized.
1575 The assembled instruction, less any fixups, is stored in BUF.
1576 Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value
1577 still needs to be converted to target byte order, otherwise BUF is an array
1578 of bytes in target byte order.
1579 The result is a pointer to the insn's entry in the opcode table,
1580 or NULL if an error occured (an error message will have already been
1583 Note that when processing (non-alias) macro-insns,
1584 this function recurses.
1586 ??? It's possible to make this cpu-independent.
1587 One would have to deal with a few minor things.
1588 At this point in time doing so would be more of a curiosity than useful
1589 [for example this file isn't _that_ big], but keeping the possibility in
1590 mind helps keep the design clean. */
1593 mep_cgen_assemble_insn (CGEN_CPU_DESC cd,
1595 CGEN_FIELDS *fields,
1596 CGEN_INSN_BYTES_PTR buf,
1600 CGEN_INSN_LIST *ilist;
1601 const char *parse_errmsg = NULL;
1602 const char *insert_errmsg = NULL;
1603 int recognized_mnemonic = 0;
1605 /* Skip leading white space. */
1606 while (ISSPACE (* str))
1609 /* The instructions are stored in hashed lists.
1610 Get the first in the list. */
1611 ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
1613 /* Keep looking until we find a match. */
1615 for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist))
1617 const CGEN_INSN *insn = ilist->insn;
1618 recognized_mnemonic = 1;
1620 #ifdef CGEN_VALIDATE_INSN_SUPPORTED
1621 /* Not usually needed as unsupported opcodes
1622 shouldn't be in the hash lists. */
1623 /* Is this insn supported by the selected cpu? */
1624 if (! mep_cgen_insn_supported (cd, insn))
1627 /* If the RELAXED attribute is set, this is an insn that shouldn't be
1628 chosen immediately. Instead, it is used during assembler/linker
1629 relaxation if possible. */
1630 if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
1635 /* Skip this insn if str doesn't look right lexically. */
1636 if (CGEN_INSN_RX (insn) != NULL &&
1637 regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH)
1640 /* Allow parse/insert handlers to obtain length of insn. */
1641 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
1643 parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
1644 if (parse_errmsg != NULL)
1647 /* ??? 0 is passed for `pc'. */
1648 insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
1650 if (insert_errmsg != NULL)
1653 /* It is up to the caller to actually output the insn and any
1659 static char errbuf[150];
1660 const char *tmp_errmsg;
1661 #ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
1662 #define be_verbose 1
1664 #define be_verbose 0
1669 /* If requesting verbose error messages, use insert_errmsg.
1670 Failing that, use parse_errmsg. */
1671 tmp_errmsg = (insert_errmsg ? insert_errmsg :
1672 parse_errmsg ? parse_errmsg :
1673 recognized_mnemonic ?
1674 _("unrecognized form of instruction") :
1675 _("unrecognized instruction"));
1677 if (strlen (start) > 50)
1678 /* xgettext:c-format */
1679 sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start);
1681 /* xgettext:c-format */
1682 sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start);
1686 if (strlen (start) > 50)
1687 /* xgettext:c-format */
1688 sprintf (errbuf, _("bad instruction `%.50s...'"), start);
1690 /* xgettext:c-format */
1691 sprintf (errbuf, _("bad instruction `%.50s'"), start);