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) 1996-2017 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.
35 #include "iq2000-desc.h"
36 #include "iq2000-opc.h"
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. */
54 #include "safe-ctype.h"
56 static const char * MISSING_CLOSING_PARENTHESIS = N_("missing `)'");
58 /* Special check to ensure that instruction exists for given machine. */
61 iq2000_cgen_insn_supported (CGEN_CPU_DESC cd, const CGEN_INSN *insn)
63 int machs = cd->machs;
65 return (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH) & machs) != 0;
69 iq2000_cgen_isa_register (const char **strp)
74 if (**strp == 'r' || **strp == 'R')
80 if ('0' <= ch1 && ch1 <= '9')
87 if (('1' <= ch1 && ch1 <= '2') && ('0' <= ch2 && ch2 <= '9'))
89 if ('3' == ch1 && (ch2 == '0' || ch2 == '1'))
94 && TOLOWER ((*strp)[1]) != 'l'
95 && TOLOWER ((*strp)[1]) != 'h')
100 /* Handle negated literal. */
103 parse_mimm (CGEN_CPU_DESC cd,
106 unsigned long *valuep)
110 /* Verify this isn't a register. */
111 if (iq2000_cgen_isa_register (strp))
112 errmsg = _("immediate value cannot be register");
117 errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
120 long x = (-value) & 0xFFFF0000;
122 if (x != 0 && x != (long) 0xFFFF0000)
123 errmsg = _("immediate value out of range");
125 *valuep = (-value & 0xFFFF);
131 /* Handle signed/unsigned literal. */
134 parse_imm (CGEN_CPU_DESC cd,
137 unsigned long *valuep)
141 if (iq2000_cgen_isa_register (strp))
142 errmsg = _("immediate value cannot be register");
147 errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value);
150 long x = value & 0xFFFF0000;
152 if (x != 0 && x != (long) 0xFFFF0000)
153 errmsg = _("immediate value out of range");
155 *valuep = (value & 0xFFFF);
161 /* Handle iq10 21-bit jmp offset. */
164 parse_jtargq10 (CGEN_CPU_DESC cd,
167 int reloc ATTRIBUTE_UNUSED,
168 enum cgen_parse_operand_result *type_addr ATTRIBUTE_UNUSED,
173 enum cgen_parse_operand_result result_type = CGEN_PARSE_OPERAND_RESULT_NUMBER;
175 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IQ2000_OFFSET_21,
176 & result_type, & value);
177 if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
179 /* Check value is within 23-bits
180 (remembering that 2-bit shift right will occur). */
181 if (value > 0x7fffff)
182 return _("21-bit offset out of range");
184 *valuep = (value & 0x7FFFFF);
191 parse_hi16 (CGEN_CPU_DESC cd,
194 unsigned long *valuep)
196 if (strncasecmp (*strp, "%hi(", 4) == 0)
198 enum cgen_parse_operand_result result_type;
203 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16,
204 & result_type, & value);
206 return MISSING_CLOSING_PARENTHESIS;
210 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
212 /* If value has top-bit of %lo on, then it will
213 sign-propagate and so we compensate by adding
214 1 to the resultant %hi value. */
225 /* We add %uhi in case a user just wants the high 16-bits or is using
226 an insn like ori for %lo which does not sign-propagate. */
227 if (strncasecmp (*strp, "%uhi(", 5) == 0)
229 enum cgen_parse_operand_result result_type;
234 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_IQ2000_UHI16,
235 & result_type, & value);
237 return MISSING_CLOSING_PARENTHESIS;
241 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
250 return parse_imm (cd, strp, opindex, valuep);
253 /* Handle %lo in a signed context.
254 The signedness of the value doesn't matter to %lo(), but this also
255 handles the case where %lo() isn't present. */
258 parse_lo16 (CGEN_CPU_DESC cd,
261 unsigned long *valuep)
263 if (strncasecmp (*strp, "%lo(", 4) == 0)
266 enum cgen_parse_operand_result result_type;
270 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16,
271 & result_type, & value);
273 return MISSING_CLOSING_PARENTHESIS;
276 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
282 return parse_imm (cd, strp, opindex, valuep);
285 /* Handle %lo in a negated signed context.
286 The signedness of the value doesn't matter to %lo(), but this also
287 handles the case where %lo() isn't present. */
290 parse_mlo16 (CGEN_CPU_DESC cd,
293 unsigned long *valuep)
295 if (strncasecmp (*strp, "%lo(", 4) == 0)
298 enum cgen_parse_operand_result result_type;
302 errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16,
303 & result_type, & value);
305 return MISSING_CLOSING_PARENTHESIS;
308 && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER)
309 value = (-value) & 0xffff;
314 return parse_mimm (cd, strp, opindex, valuep);
319 const char * iq2000_cgen_parse_operand
320 (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *);
322 /* Main entry point for operand parsing.
324 This function is basically just a big switch statement. Earlier versions
325 used tables to look up the function to use, but
326 - if the table contains both assembler and disassembler functions then
327 the disassembler contains much of the assembler and vice-versa,
328 - there's a lot of inlining possibilities as things grow,
329 - using a switch statement avoids the function call overhead.
331 This function could be moved into `parse_insn_normal', but keeping it
332 separate makes clear the interface between `parse_insn_normal' and each of
336 iq2000_cgen_parse_operand (CGEN_CPU_DESC cd,
339 CGEN_FIELDS * fields)
341 const char * errmsg = NULL;
342 /* Used by scalar operands that still need to be parsed. */
343 long junk ATTRIBUTE_UNUSED;
347 case IQ2000_OPERAND__INDEX :
348 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND__INDEX, (unsigned long *) (& fields->f_index));
350 case IQ2000_OPERAND_BASE :
351 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rs);
353 case IQ2000_OPERAND_BASEOFF :
356 errmsg = cgen_parse_address (cd, strp, IQ2000_OPERAND_BASEOFF, 0, NULL, & value);
357 fields->f_imm = value;
360 case IQ2000_OPERAND_BITNUM :
361 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_BITNUM, (unsigned long *) (& fields->f_rt));
363 case IQ2000_OPERAND_BYTECOUNT :
364 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_BYTECOUNT, (unsigned long *) (& fields->f_bytecount));
366 case IQ2000_OPERAND_CAM_Y :
367 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CAM_Y, (unsigned long *) (& fields->f_cam_y));
369 case IQ2000_OPERAND_CAM_Z :
370 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CAM_Z, (unsigned long *) (& fields->f_cam_z));
372 case IQ2000_OPERAND_CM_3FUNC :
373 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CM_3FUNC, (unsigned long *) (& fields->f_cm_3func));
375 case IQ2000_OPERAND_CM_3Z :
376 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CM_3Z, (unsigned long *) (& fields->f_cm_3z));
378 case IQ2000_OPERAND_CM_4FUNC :
379 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CM_4FUNC, (unsigned long *) (& fields->f_cm_4func));
381 case IQ2000_OPERAND_CM_4Z :
382 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_CM_4Z, (unsigned long *) (& fields->f_cm_4z));
384 case IQ2000_OPERAND_COUNT :
385 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_COUNT, (unsigned long *) (& fields->f_count));
387 case IQ2000_OPERAND_EXECODE :
388 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_EXECODE, (unsigned long *) (& fields->f_excode));
390 case IQ2000_OPERAND_HI16 :
391 errmsg = parse_hi16 (cd, strp, IQ2000_OPERAND_HI16, (unsigned long *) (& fields->f_imm));
393 case IQ2000_OPERAND_IMM :
394 errmsg = parse_imm (cd, strp, IQ2000_OPERAND_IMM, (unsigned long *) (& fields->f_imm));
396 case IQ2000_OPERAND_JMPTARG :
399 errmsg = cgen_parse_address (cd, strp, IQ2000_OPERAND_JMPTARG, 0, NULL, & value);
400 fields->f_jtarg = value;
403 case IQ2000_OPERAND_JMPTARGQ10 :
406 errmsg = parse_jtargq10 (cd, strp, IQ2000_OPERAND_JMPTARGQ10, 0, NULL, & value);
407 fields->f_jtargq10 = value;
410 case IQ2000_OPERAND_LO16 :
411 errmsg = parse_lo16 (cd, strp, IQ2000_OPERAND_LO16, (unsigned long *) (& fields->f_imm));
413 case IQ2000_OPERAND_MASK :
414 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_MASK, (unsigned long *) (& fields->f_mask));
416 case IQ2000_OPERAND_MASKL :
417 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_MASKL, (unsigned long *) (& fields->f_maskl));
419 case IQ2000_OPERAND_MASKQ10 :
420 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_MASKQ10, (unsigned long *) (& fields->f_maskq10));
422 case IQ2000_OPERAND_MASKR :
423 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_MASKR, (unsigned long *) (& fields->f_rs));
425 case IQ2000_OPERAND_MLO16 :
426 errmsg = parse_mlo16 (cd, strp, IQ2000_OPERAND_MLO16, (unsigned long *) (& fields->f_imm));
428 case IQ2000_OPERAND_OFFSET :
431 errmsg = cgen_parse_address (cd, strp, IQ2000_OPERAND_OFFSET, 0, NULL, & value);
432 fields->f_offset = value;
435 case IQ2000_OPERAND_RD :
436 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rd);
438 case IQ2000_OPERAND_RD_RS :
439 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rd_rs);
441 case IQ2000_OPERAND_RD_RT :
442 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rd_rt);
444 case IQ2000_OPERAND_RS :
445 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rs);
447 case IQ2000_OPERAND_RT :
448 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rt);
450 case IQ2000_OPERAND_RT_RS :
451 errmsg = cgen_parse_keyword (cd, strp, & iq2000_cgen_opval_gr_names, & fields->f_rt_rs);
453 case IQ2000_OPERAND_SHAMT :
454 errmsg = cgen_parse_unsigned_integer (cd, strp, IQ2000_OPERAND_SHAMT, (unsigned long *) (& fields->f_shamt));
458 /* xgettext:c-format */
459 fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex);
466 cgen_parse_fn * const iq2000_cgen_parse_handlers[] =
472 iq2000_cgen_init_asm (CGEN_CPU_DESC cd)
474 iq2000_cgen_init_opcode_table (cd);
475 iq2000_cgen_init_ibld_table (cd);
476 cd->parse_handlers = & iq2000_cgen_parse_handlers[0];
477 cd->parse_operand = iq2000_cgen_parse_operand;
478 #ifdef CGEN_ASM_INIT_HOOK
485 /* Regex construction routine.
487 This translates an opcode syntax string into a regex string,
488 by replacing any non-character syntax element (such as an
489 opcode) with the pattern '.*'
491 It then compiles the regex and stores it in the opcode, for
492 later use by iq2000_cgen_assemble_insn
494 Returns NULL for success, an error message for failure. */
497 iq2000_cgen_build_insn_regex (CGEN_INSN *insn)
499 CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn);
500 const char *mnem = CGEN_INSN_MNEMONIC (insn);
501 char rxbuf[CGEN_MAX_RX_ELEMENTS];
503 const CGEN_SYNTAX_CHAR_TYPE *syn;
506 syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc));
508 /* Mnemonics come first in the syntax string. */
509 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
510 return _("missing mnemonic in syntax string");
513 /* Generate a case sensitive regular expression that emulates case
514 insensitive matching in the "C" locale. We cannot generate a case
515 insensitive regular expression because in Turkish locales, 'i' and 'I'
516 are not equal modulo case conversion. */
518 /* Copy the literal mnemonic out of the insn. */
519 for (; *mnem; mnem++)
534 /* Copy any remaining literals from the syntax string into the rx. */
535 for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn)
537 if (CGEN_SYNTAX_CHAR_P (* syn))
539 char c = CGEN_SYNTAX_CHAR (* syn);
543 /* Escape any regex metacharacters in the syntax. */
544 case '.': case '[': case '\\':
545 case '*': case '^': case '$':
547 #ifdef CGEN_ESCAPE_EXTENDED_REGEX
548 case '?': case '{': case '}':
549 case '(': case ')': case '*':
550 case '|': case '+': case ']':
571 /* Replace non-syntax fields with globs. */
577 /* Trailing whitespace ok. */
584 /* But anchor it after that. */
588 CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t));
589 reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB);
597 regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80);
598 regfree ((regex_t *) CGEN_INSN_RX (insn));
599 free (CGEN_INSN_RX (insn));
600 (CGEN_INSN_RX (insn)) = NULL;
606 /* Default insn parser.
608 The syntax string is scanned and operands are parsed and stored in FIELDS.
609 Relocs are queued as we go via other callbacks.
611 ??? Note that this is currently an all-or-nothing parser. If we fail to
612 parse the instruction, we return 0 and the caller will start over from
613 the beginning. Backtracking will be necessary in parsing subexpressions,
614 but that can be handled there. Not handling backtracking here may get
615 expensive in the case of the m68k. Deal with later.
617 Returns NULL for success, an error message for failure. */
620 parse_insn_normal (CGEN_CPU_DESC cd,
621 const CGEN_INSN *insn,
625 /* ??? Runtime added insns not handled yet. */
626 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
627 const char *str = *strp;
630 const CGEN_SYNTAX_CHAR_TYPE * syn;
631 #ifdef CGEN_MNEMONIC_OPERANDS
636 /* For now we assume the mnemonic is first (there are no leading operands).
637 We can parse it without needing to set up operand parsing.
638 GAS's input scrubber will ensure mnemonics are lowercase, but we may
639 not be called from GAS. */
640 p = CGEN_INSN_MNEMONIC (insn);
641 while (*p && TOLOWER (*p) == TOLOWER (*str))
645 return _("unrecognized instruction");
647 #ifndef CGEN_MNEMONIC_OPERANDS
648 if (* str && ! ISSPACE (* str))
649 return _("unrecognized instruction");
652 CGEN_INIT_PARSE (cd);
653 cgen_init_parse_operand (cd);
654 #ifdef CGEN_MNEMONIC_OPERANDS
658 /* We don't check for (*str != '\0') here because we want to parse
659 any trailing fake arguments in the syntax string. */
660 syn = CGEN_SYNTAX_STRING (syntax);
662 /* Mnemonics come first for now, ensure valid string. */
663 if (! CGEN_SYNTAX_MNEMONIC_P (* syn))
670 /* Non operand chars must match exactly. */
671 if (CGEN_SYNTAX_CHAR_P (* syn))
673 /* FIXME: While we allow for non-GAS callers above, we assume the
674 first char after the mnemonic part is a space. */
675 /* FIXME: We also take inappropriate advantage of the fact that
676 GAS's input scrubber will remove extraneous blanks. */
677 if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn)))
679 #ifdef CGEN_MNEMONIC_OPERANDS
680 if (CGEN_SYNTAX_CHAR(* syn) == ' ')
688 /* Syntax char didn't match. Can't be this insn. */
689 static char msg [80];
691 /* xgettext:c-format */
692 sprintf (msg, _("syntax error (expected char `%c', found `%c')"),
693 CGEN_SYNTAX_CHAR(*syn), *str);
698 /* Ran out of input. */
699 static char msg [80];
701 /* xgettext:c-format */
702 sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"),
703 CGEN_SYNTAX_CHAR(*syn));
709 #ifdef CGEN_MNEMONIC_OPERANDS
710 (void) past_opcode_p;
712 /* We have an operand of some sort. */
713 errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), &str, fields);
717 /* Done with this operand, continue with next one. */
721 /* If we're at the end of the syntax string, we're done. */
724 /* FIXME: For the moment we assume a valid `str' can only contain
725 blanks now. IE: We needn't try again with a longer version of
726 the insn and it is assumed that longer versions of insns appear
727 before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */
728 while (ISSPACE (* str))
732 return _("junk at end of line"); /* FIXME: would like to include `str' */
737 /* We couldn't parse it. */
738 return _("unrecognized instruction");
742 This routine is called for each instruction to be assembled.
743 STR points to the insn to be assembled.
744 We assume all necessary tables have been initialized.
745 The assembled instruction, less any fixups, is stored in BUF.
746 Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value
747 still needs to be converted to target byte order, otherwise BUF is an array
748 of bytes in target byte order.
749 The result is a pointer to the insn's entry in the opcode table,
750 or NULL if an error occured (an error message will have already been
753 Note that when processing (non-alias) macro-insns,
754 this function recurses.
756 ??? It's possible to make this cpu-independent.
757 One would have to deal with a few minor things.
758 At this point in time doing so would be more of a curiosity than useful
759 [for example this file isn't _that_ big], but keeping the possibility in
760 mind helps keep the design clean. */
763 iq2000_cgen_assemble_insn (CGEN_CPU_DESC cd,
766 CGEN_INSN_BYTES_PTR buf,
770 CGEN_INSN_LIST *ilist;
771 const char *parse_errmsg = NULL;
772 const char *insert_errmsg = NULL;
773 int recognized_mnemonic = 0;
775 /* Skip leading white space. */
776 while (ISSPACE (* str))
779 /* The instructions are stored in hashed lists.
780 Get the first in the list. */
781 ilist = CGEN_ASM_LOOKUP_INSN (cd, str);
783 /* Keep looking until we find a match. */
785 for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist))
787 const CGEN_INSN *insn = ilist->insn;
788 recognized_mnemonic = 1;
790 #ifdef CGEN_VALIDATE_INSN_SUPPORTED
791 /* Not usually needed as unsupported opcodes
792 shouldn't be in the hash lists. */
793 /* Is this insn supported by the selected cpu? */
794 if (! iq2000_cgen_insn_supported (cd, insn))
797 /* If the RELAXED attribute is set, this is an insn that shouldn't be
798 chosen immediately. Instead, it is used during assembler/linker
799 relaxation if possible. */
800 if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0)
805 /* Skip this insn if str doesn't look right lexically. */
806 if (CGEN_INSN_RX (insn) != NULL &&
807 regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH)
810 /* Allow parse/insert handlers to obtain length of insn. */
811 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
813 parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields);
814 if (parse_errmsg != NULL)
817 /* ??? 0 is passed for `pc'. */
818 insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf,
820 if (insert_errmsg != NULL)
823 /* It is up to the caller to actually output the insn and any
829 static char errbuf[150];
830 const char *tmp_errmsg;
831 #ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS
839 /* If requesting verbose error messages, use insert_errmsg.
840 Failing that, use parse_errmsg. */
841 tmp_errmsg = (insert_errmsg ? insert_errmsg :
842 parse_errmsg ? parse_errmsg :
843 recognized_mnemonic ?
844 _("unrecognized form of instruction") :
845 _("unrecognized instruction"));
847 if (strlen (start) > 50)
848 /* xgettext:c-format */
849 sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start);
851 /* xgettext:c-format */
852 sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start);
856 if (strlen (start) > 50)
857 /* xgettext:c-format */
858 sprintf (errbuf, _("bad instruction `%.50s...'"), start);
860 /* xgettext:c-format */
861 sprintf (errbuf, _("bad instruction `%.50s'"), start);