nsz Git - libfirm/blob - ir/ir/irprintf.c

   1 /*
   2  * Project:     libFIRM
   3  * File name:   ir/ir/irprintf.c
   4  * Purpose:     A little printf helper unterstanding firm types
   5  * Author:      Sebastian Hack
   6  * Created:     29.11.2004
   7  * CVS-ID:      $Id$
   8  * Copyright:   (c) 1998-2004 Universität Karlsruhe
   9  * Licence:     This file protected by GPL -  GNU GENERAL PUBLIC LICENSE.
  10  */
  11
  12 /**
  13  * @file irprintf.c
  14  *
  15  * A little printf helper unterstanding firm types.
  16  * @author Sebastian Hack
  17  * @date 29.11.2004
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #ifdef HAVE_STRING_H
  25 #include <string.h>
  26 #endif
  27 #ifdef HAVE_INTTYPES_H
  28 #include <inttypes.h>
  29 #endif
  30
  31 #include <stdlib.h>
  32 #include <stdio.h>
  33 #include <stdarg.h>
  34
  35 #include <ctype.h>
  36
  37 #include "firm_config.h"
  38 #include "ident.h"
  39 #include "irmode_t.h"
  40 #include "irnode_t.h"
  41 #include "entity_t.h"
  42 #include "type_t.h"
  43 #include "tv_t.h"
  44 #include "irprintf.h"
  45 #include "obst.h"
  46 #include "pset.h"
  47 #include "iterator.h"
  48 #include "bitset.h"
  49 #include "dbginfo_t.h"
  50
  51 #define STRNIL "(nil)"
  52
  53 /**
  54  * Init the string.
  55  */
  56 static void str_init(void *object, size_t n)
  57 {
  58   strcpy(object, "");
  59 }
  60
  61 /**
  62  * append a char to a string buffer.
  63  */
  64 static void str_append_char(void *object, size_t n, char ch)
  65 {
  66   char buf[2];
  67
  68   buf[0] = ch;
  69   buf[1] = 0;
  70
  71   strncat(object, buf, n);
  72 }
  73
  74 /**
  75  * append a string to a string buffer.
  76  */
  77 static void str_append_str(void *object, size_t n, const char *str)
  78 {
  79   strncat(object, str, n);
  80 }
  81
  82
  83 /**
  84  * Init the file. i.e. do nothing.
  85  */
  86 static void file_init(void *object, size_t n)
  87 {
  88 }
  89
  90 /**
  91  * append a char to a file.
  92  */
  93 static void file_append_char(void *object, size_t n, char ch)
  94 {
  95   fputc(ch, object);
  96 }
  97
  98 /**
  99  * append a string to a file.
 100  */
 101 static void file_append_str(void *object, size_t n, const char *str)
 102 {
 103   fputs(str, object);
 104 }
 105
 106 /**
 107  * Init the obstack. i.e. do nothing.
 108  */
 109 static void obst_init(void *object, size_t n)
 110 {
 111 }
 112
 113 /**
 114  * append a char to a obstack.
 115  */
 116 static void obst_append_char(void *object, size_t n, char ch)
 117 {
 118   struct obstack *obst = object;
 119   obstack_1grow(obst, ch);
 120 }
 121
 122 /**
 123  * append a string to a obstack.
 124  */
 125 static void obst_append_str(void *object, size_t n, const char *str)
 126 {
 127   struct obstack *obst = object;
 128   obstack_grow(obst, str, strlen(str));
 129 }
 130
 131
 132 /**
 133  * the file appender
 134  */
 135 static const appender_t file_appender = {
 136   file_init,
 137   file_append_char,
 138   file_append_str
 139 };
 140
 141 /**
 142  * the string buffer appender
 143  */
 144 static const appender_t str_appender = {
 145   str_init,
 146   str_append_char,
 147   str_append_str
 148 };
 149
 150 /**
 151  * the obstack appender.
 152  */
 153 static const appender_t obst_appender = {
 154   obst_init,
 155   obst_append_char,
 156   obst_append_str
 157 };
 158
 159 #ifndef WITH_LIBCORE
 160
 161 static void ir_common_vprintf(const appender_t *app, void *object,
 162                 size_t limit, const char *fmt, va_list args);
 163
 164 static INLINE void ir_common_printf(const appender_t *app, void *object,
 165                 size_t limit, const char *fmt, ...)
 166 {
 167   va_list args;
 168
 169   va_start(args, fmt);
 170   ir_common_vprintf(app, object, limit, fmt, args);
 171   va_end(args);
 172 }
 173
 174 #if 0
 175 static int is_std_fmt(const char *fmt)
 176 {
 177   static const char *fmt_re_str =
 178           "^[0 -+#']?[1-9]*(\\.[1-9]*)?[hlLqjzt]?[diouxXeEfFgGaAc]";
 179
 180   static regex_t fmt_re;
 181   static int preapred_re = 0;
 182
 183   regmatch_t match[1];
 184   int res;
 185
 186   if(!preapred_re) {
 187     int res = regcomp(&fmt_re, fmt_re_str, REG_EXTENDED);
 188     assert(res == 0 && "Could not prepare regex");
 189     preapred_re = 1;
 190   }
 191
 192   res = regexec(&fmt_re, fmt, 1, &match[0], 0);
 193
 194 #if 0
 195   if(res != 0) {
 196     char buf[256];
 197     regerror(res, &fmt_re, buf, sizeof(buf));
 198     printf("%s ", buf);
 199   }
 200
 201   printf("res: %d, start: %d, end: %d\n",
 202           res, match[0].rm_so, match[0].rm_eo);
 203 #endif
 204
 205   return res == 0 ? match[0].rm_eo : -1;
 206 }
 207 #endif
 208
 209 struct settings {
 210   char flag_zero;
 211   int width;
 212   int flag_minus;
 213   int flag_plus;
 214   int flag_hash;
 215 };
 216
 217 /* Length specifiers. */
 218 enum {
 219   len_char,
 220   len_short,
 221   len_int,
 222   len_long,
 223   len_long_long
 224 };
 225
 226
 227 #define MIN(x,y) ((x) < (y) ? (x) : (y))
 228 #define MAX(x,y) ((x) > (y) ? (x) : (y))
 229
 230 static void dump_with_settings(const appender_t *app, void *object, size_t limit,
 231                 const struct settings *settings, const char *str)
 232 {
 233   if (settings->width >= 0) {
 234     int i;
 235     size_t n = strlen(str);
 236     int lim = MIN(settings->width, (int)limit);
 237     int to_print = MIN(lim, (int)n);
 238     int to_pad = to_print - lim;
 239
 240     if (!settings->flag_minus)
 241       for(i = 0; i < to_pad; ++i)
 242         app->append_char(object, lim, settings->flag_zero);
 243
 244     app->append_str(object, to_print, str);
 245
 246     if (!settings->flag_minus)
 247       for(i = 0; i < to_pad; ++i)
 248         app->append_char(object, lim, settings->flag_zero);
 249   }
 250
 251   else
 252     app->append_str(object, limit, str);
 253 }
 254
 255 /**
 256  * Beware: do not set the entity ld_name
 257  */
 258 static const char *get_entity_ld_name_ex(entity *ent) {
 259   if (ent->ld_name)
 260     return get_entity_ld_name(ent);
 261   return get_entity_name(ent);
 262 }
 263
 264 /**
 265  * emit a Firm object. Backported from irargs.
 266  */
 267 static void firm_emit(char *buf, int buflen, char conversion,
 268     const struct settings *occ, void *X)
 269 {
 270 #define A(s)    occ->flag_hash ? s " ": ""
 271
 272   firm_kind *obj = X;
 273   int i, n;
 274   ir_node *block;
 275   char add[64];
 276   char tv_buf[256];
 277   entity *ent;
 278
 279   buf[0] = '\0';
 280   add[0] = '\0';
 281
 282   if (! X)
 283     strncpy(buf, "(null)", buflen);
 284   else {
 285     switch (*obj) {
 286     case k_BAD:
 287       snprintf(buf, buflen, "BAD");
 288       snprintf(add, sizeof(add), "[%p]", X);
 289       break;
 290     case k_entity:
 291       snprintf(buf, buflen, "%s%s", A("ent"),
 292           isupper(conversion) ? get_entity_ld_name_ex(X): get_entity_name(X));
 293       snprintf(add, sizeof(add), "[%ld]", get_entity_nr(X));
 294       break;
 295     case k_type:
 296       snprintf(buf, buflen, "%s%s:%s", A("type"), get_type_tpop_name(X), get_type_name(X));
 297       snprintf(add, sizeof(add), "[%ld]", get_type_nr(X));
 298       break;
 299     case k_ir_graph:
 300       if (X == get_const_code_irg())
 301         snprintf(buf, buflen, "const_code_irg ");
 302       else
 303         snprintf(buf, buflen, "%s%s", A("irg"), get_entity_name(get_irg_entity(X)));
 304       snprintf(add, sizeof(add), "[%ld]", get_irg_graph_nr(X));
 305       break;
 306     case k_ir_node:
 307       switch (conversion) {
 308       case 'B':
 309         block = is_no_Block(X) ? get_nodes_block(X) : X;
 310         snprintf(buf, buflen, "%s%s%s", A("irn"), get_irn_opname(block),
 311             get_mode_name(get_irn_mode(block)));
 312         snprintf(add, sizeof(add), "[%ld]", get_irn_node_nr(block));
 313         break;
 314       case 'N':
 315         snprintf(buf, buflen, "%ld", get_irn_node_nr(X));
 316         break;
 317       default:
 318         if (is_Const(X)) {
 319           tarval *tv = get_Const_tarval(X);
 320
 321           if (tv)
 322             tarval_snprintf(tv_buf, sizeof(tv_buf), tv);
 323           snprintf(buf, buflen, "%s%s%s<%s>", A("irn"), get_irn_opname(X),
 324             get_mode_name(get_irn_mode(X)), tv ? tv_buf : ">NULL<");
 325         }
 326         else if (get_irn_op(X) == op_SymConst) {
 327           switch (get_SymConst_kind(X)) {
 328           case symconst_type_tag:    /* type tag */
 329             snprintf(tv_buf, sizeof(tv_buf), "<ID:%s>", get_type_name(get_SymConst_type(X)));
 330             break;
 331           case symconst_type_size:   /* type size */
 332             snprintf(tv_buf, sizeof(tv_buf), "<SIZE:%s>", get_type_name(get_SymConst_type(X)));
 333             break;
 334           case symconst_type_align:  /* type alignment */
 335             snprintf(tv_buf, sizeof(tv_buf), "<ALIGN:%s>", get_type_name(get_SymConst_type(X)));
 336             break;
 337           case symconst_addr_name:   /* linker name */
 338             snprintf(tv_buf, sizeof(tv_buf), "<EXT:%s>", get_id_str(get_SymConst_name(X)));
 339             break;
 340           case symconst_addr_ent:    /* entity name */
 341             snprintf(tv_buf, sizeof(tv_buf), "<%s>", get_entity_name(get_SymConst_entity(X)));
 342             break;
 343           default:
 344             tv_buf[0] = '\0';
 345           }
 346           snprintf(buf, buflen, "%s%s%s%s", A("irn"), get_irn_opname(X),
 347             get_mode_name(get_irn_mode(X)), tv_buf);
 348         }
 349         else
 350           snprintf(buf, buflen, "%s%s%s", A("irn"), get_irn_opname(X),
 351             get_mode_name(get_irn_mode(X)));
 352         snprintf(add, sizeof(add), "[%ld:%d]", get_irn_node_nr(X), get_irn_idx(X));
 353       }
 354       break;
 355     case k_ir_mode:
 356       snprintf(buf, buflen, "%s%s", A("mode"), get_mode_name(X));
 357       break;
 358     case k_tarval:
 359       tarval_snprintf(tv_buf, sizeof(tv_buf), X);
 360       snprintf(buf, buflen, "%s%s", A("tv"), tv_buf);
 361       break;
 362     case k_ir_loop:
 363       snprintf(buf, sizeof(buf), "loop[%d:%d]", get_loop_loop_nr(X), get_loop_depth(X));
 364       break;
 365     case k_ir_op:
 366       snprintf(buf, buflen, "%s%s", A("op"), get_op_name(X));
 367       break;
 368     case k_ir_compound_graph_path:
 369       n = get_compound_graph_path_length(X);
 370
 371       for (i = 0; i < n; ++i) {
 372         ent = get_compound_graph_path_node(X, i);
 373
 374         strncat(buf, ".", buflen);
 375         strncat(buf, get_entity_name(ent), buflen);
 376         if (is_Array_type(get_entity_owner(ent))) {
 377           snprintf(add, sizeof(add), "[%d]",
 378             get_compound_graph_path_array_index(X, i));
 379           strncat(buf, add, buflen);
 380         }
 381       }
 382       add[0] = '\0';
 383       break;
 384
 385     default:
 386       snprintf(buf, buflen, "UNKWN");
 387       snprintf(add, sizeof(add), "[%p]", X);
 388     }
 389   }
 390
 391   if (occ->flag_plus)
 392         strncat(buf, add, buflen);
 393
 394 #undef A
 395 }
 396
 397 /**
 398  * A small printf helper routine for ir nodes.
 399  * @param app An appender (this determines where the stuff is dumped to).
 400  * @param object A target passed to the appender.
 401  * @param limit The maximum number of characters to dump.
 402  * @param fmt The format string.
 403  * @param args A va_list.
 404  */
 405 static void ir_common_vprintf(const appender_t *app, void *object,
 406                 size_t limit, const char *fmt, va_list args)
 407 {
 408         const char *str;
 409         char buf[4096];
 410         int i, n;
 411
 412 #define DUMP_STR(s) app->append_str(object, limit, s)
 413 #define DUMP_CH(ch) app->append_char(object, limit, ch)
 414
 415         app->init(object, limit);
 416
 417         for (i = 0, n = strlen(fmt); i < n; ++i) {
 418                 char ch = fmt[i];
 419
 420                 if (ch == '%') {
 421                         int len;
 422                         const char *len_str = "";
 423
 424                         struct settings settings;
 425
 426                         settings.flag_hash = 0;
 427                         settings.flag_zero = ' ';
 428                         settings.width = -1;
 429                         settings.flag_minus = 0;
 430                         settings.flag_plus  = 0;
 431
 432                         ch = fmt[++i];
 433
 434                         /* Clear the temporary buffer */
 435                         buf[0] = '\0';
 436
 437                         /* Set the string to print to the buffer by default. */
 438                         str = buf;
 439
 440                         while (strchr("#0-+", ch)) {
 441                                 switch(ch) {
 442                                         case '#':
 443                                                 settings.flag_hash = 1;
 444                                                 break;
 445                                         case '0':
 446                                                 settings.flag_zero = '0';
 447                                                 break;
 448                                         case '-':
 449                                                 settings.flag_minus = 1;
 450                                                 break;
 451                                         case '+':
 452                                                 settings.flag_plus = 1;
 453                                                 break;
 454                                 }
 455
 456                                 ch = fmt[++i];
 457                         }
 458
 459
 460                         /* Read the field width */
 461                         {
 462                                 char *endptr;
 463                                 int increase;
 464
 465                                 settings.width = (int) strtol(&fmt[i], &endptr, 10);
 466                                 increase = (char *) endptr - &fmt[i];
 467                                 ch = fmt[i += increase];
 468                                 if(increase == 0)
 469                                         settings.width = -1;
 470                         }
 471
 472                         /* Ignore the precision */
 473                         if (ch == '.')
 474                                 while(isdigit(ch = fmt[++i]));
 475
 476                         /* read the length modifier. */
 477                         switch(ch) {
 478                                 case 'h':
 479                                         len_str = "h";
 480                                         len = len_short;
 481                                         if((ch = fmt[++i]) == 'h') {
 482                                                 len_str = "hh";
 483                                                 len = len_char;
 484                                         }
 485                                         break;
 486
 487                                 case 'l':
 488                                         len_str = "l";
 489                                         len = len_long;
 490                                         if((ch = fmt[++i]) == 'l') {
 491                                                 len_str = "ll";
 492                                                 len = len_long_long;
 493                                         }
 494                                         break;
 495
 496                                 default:
 497                                         len = len_int;
 498                         }
 499
 500                         /* Do the conversion specifier. */
 501                         switch (ch) {
 502
 503                                 /* The percent itself */
 504                                 case '%':
 505                                         buf[0] = '%';
 506                                         buf[1] = '\0';
 507                                         break;
 508
 509                                 /* Indent */
 510                                 case '>':
 511                                         {
 512                                                 int i, n = va_arg(args, int);
 513                                                 for(i = 0; i < n && i < sizeof(buf) - 1; ++i)
 514                                                         buf[i] = ' ';
 515
 516                                                 buf[i] = '\0';
 517                                         }
 518                                         break;
 519
 520                                 case 'c':
 521                                         buf[0] = va_arg(args, int);
 522                                         buf[1] = '\0';
 523                                         break;
 524
 525                                 case 's':
 526                                         str = va_arg(args, const char *);
 527                                         break;
 528
 529                                 case 'p':
 530                                         snprintf(buf, sizeof(buf), "%p", va_arg(args, void *));
 531                                         break;
 532
 533                                 case 'i':
 534                                 case 'd':
 535                                 case 'u':
 536                                 case 'x':
 537                                 case 'X':
 538                                 case 'o':
 539                                         {
 540                                                 char fmt_str[16];
 541                                                 snprintf(fmt_str, sizeof(fmt_str), "%%%s%c", len_str, ch);
 542
 543                                                 switch(len) {
 544                                                         case len_char:
 545                                                         case len_short:
 546                                                         case len_int:
 547                                                                 {
 548                                                                         int arg = va_arg(args, int);
 549                                                                         snprintf(buf, sizeof(buf), fmt_str, arg);
 550                                                                 }
 551                                                                 break;
 552
 553                                                         case len_long:
 554                                                                 {
 555                                                                         long arg = va_arg(args, long);
 556                                                                         snprintf(buf, sizeof(buf), fmt_str, arg);
 557                                                                 }
 558                                                                 break;
 559
 560                                                         case len_long_long:
 561                                                                 {
 562                                                                         int64_t arg = va_arg(args, int64_t);
 563                                                                         snprintf(buf, sizeof(buf), fmt_str, arg);
 564                                                                 }
 565                                                                 break;
 566                                                 }
 567                                         }
 568                                         break;
 569
 570                                 case 'I':
 571                                         str = get_id_str(va_arg(args, ident *));
 572                                         break;
 573
 574                                 case 't':
 575         case 'e':
 576         case 'E':
 577         case 'T':
 578         case 'n':
 579         case 'O':
 580         case 'm':
 581         case 'B':
 582         case 'P':
 583         case 'F':
 584         case 'f':
 585           firm_emit(buf, sizeof(buf), ch, &settings, va_arg(args, void *));
 586                                         break;
 587
 588                                 case 'b':
 589                                         {
 590                                                 const bitset_t *bs = va_arg(args, const bitset_t *);
 591                                                 const char *prefix = "";
 592                                                 unsigned long i;
 593
 594                                                 DUMP_CH('[');
 595                                                 for(i = bitset_next_set(bs, 0); i != -1; i = bitset_next_set(bs, i + 1)) {
 596                                                         snprintf(buf, sizeof(buf), "%ld", i);
 597                                                         DUMP_STR(prefix);
 598                                                         DUMP_STR(buf);
 599                                                         prefix = ", ";
 600                                                 }
 601                                                 DUMP_CH(']');
 602                                                 buf[0] = '\0';
 603                                         }
 604                                         break;
 605
 606                                 case '*':
 607                                         {
 608                                                 iterator_t *it = va_arg(args, iterator_t *);
 609                                                 void *collection = va_arg(args, void *);
 610                                                 void *curr;
 611                                                 const char *prefix = "";
 612                                                 char format = fmt[++i];
 613                                                 ir_printf_cb_t *cb = format == 'C' ? va_arg(args, ir_printf_cb_t *) : NULL;
 614
 615                                                 assert(is_iterator(it) && "Pass an iterator interface and the collection");
 616
 617                                                 snprintf(buf, sizeof(buf), "%%%c", format);
 618
 619                                                 DUMP_CH('[');
 620                                                 for(curr = it->start(collection); curr; curr = it->next(collection, curr)) {
 621                                                         DUMP_STR(prefix);
 622
 623                                                         if(cb)
 624                                                                 cb(app, object, limit, curr);
 625                                                         else
 626                                                                 ir_common_printf(app, object, limit, buf, curr);
 627
 628                                                         prefix = ", ";
 629                                                 }
 630                                                 it->finish(collection, curr);
 631
 632                                                 DUMP_CH(']');
 633                                         }
 634
 635                                         /* clean the buffer again */
 636                                         buf[0] = '\0';
 637                                         break;
 638
 639                                 case '=':
 640                                         str = get_pnc_string(va_arg(args, int));
 641                                         break;
 642                                 case 'G':
 643                                         {
 644                                                 ir_node *irn = va_arg(args, ir_node *);
 645                                                 dbg_info *dbg = get_irn_dbg_info(irn);
 646                                                 buf[0] = '\0';
 647                                                 if (dbg && __dbg_info_snprint) {
 648                                                         if (__dbg_info_snprint(buf, sizeof(buf), dbg) <= 0)
 649                                                                 buf[0] = '\0';
 650                                                 }
 651                                                 break;
 652                                         }
 653                         }
 654
 655                         dump_with_settings(app, object, limit, &settings, str);
 656                 }
 657                 else
 658                         DUMP_CH(ch);
 659         }
 660
 661 #undef DUMP_STR
 662 #undef DUMP_CH
 663 }
 664
 665 /**
 666  * Convenience for stdout dumping.
 667  */
 668 void ir_printf(const char *fmt, ...)
 669 {
 670         va_list args;
 671         va_start(args, fmt);
 672         ir_common_vprintf(&file_appender, stdout, 0, fmt, args);
 673         va_end(args);
 674 }
 675
 676 /**
 677  * Convenience for file dumping.
 678  */
 679 void ir_fprintf(FILE *f, const char *fmt, ...)
 680 {
 681         va_list args;
 682         va_start(args, fmt);
 683         ir_common_vprintf(&file_appender, f, 0, fmt, args);
 684         va_end(args);
 685 }
 686
 687 /**
 688  * Convenience for string dumping.
 689  */
 690 void ir_snprintf(char *buf, size_t len, const char *fmt, ...)
 691 {
 692         va_list args;
 693         va_start(args, fmt);
 694         ir_common_vprintf(&str_appender, buf, len, fmt, args);
 695         va_end(args);
 696 }
 697
 698 /**
 699  * Convenience for string dumping.
 700  */
 701 void ir_obst_printf(struct obstack *obst, const char *fmt, ...)
 702 {
 703         va_list args;
 704         va_start(args, fmt);
 705         ir_common_vprintf(&obst_appender, obst, 0, fmt, args);
 706         va_end(args);
 707 }
 708
 709 void ir_vprintf(const char *fmt, va_list args)
 710 {
 711         ir_common_vprintf(&file_appender, stdout, 0, fmt, args);
 712 }
 713
 714 void ir_vfprintf(FILE *f, const char *fmt, va_list args)
 715 {
 716         ir_common_vprintf(&file_appender, f, 0, fmt, args);
 717 }
 718
 719 void ir_vsnprintf(char *buf, size_t len, const char *fmt, va_list args)
 720 {
 721         ir_common_vprintf(&str_appender, buf, len, fmt, args);
 722 }
 723
 724 void ir_obst_vprintf(struct obstack *obst, const char *fmt, va_list args)
 725 {
 726         ir_common_vprintf(&obst_appender, obst, 0, fmt, args);
 727 }
 728
 729 #else /* WITH_LIBCORE */
 730
 731 #include "irargs_t.h"
 732
 733 void ir_printf(const char *fmt, ...)
 734 {
 735         va_list args;
 736
 737         va_start(args, fmt);
 738         lc_evprintf(firm_get_arg_env(), fmt, args);
 739         va_end(args);
 740 }
 741
 742 void ir_fprintf(FILE *f, const char *fmt, ...)
 743 {
 744         va_list args;
 745
 746         va_start(args, fmt);
 747         lc_evfprintf(firm_get_arg_env(), f, fmt, args);
 748         va_end(args);
 749 }
 750
 751 void ir_snprintf(char *buf, size_t n, const char *fmt, ...)
 752 {
 753         va_list args;
 754
 755         va_start(args, fmt);
 756         lc_evsnprintf(firm_get_arg_env(), buf, n, fmt, args);
 757         va_end(args);
 758 }
 759
 760 void ir_vprintf(const char *fmt, va_list args)
 761 {
 762         lc_evprintf(firm_get_arg_env(), fmt, args);
 763 }
 764
 765 void ir_vfprintf(FILE *f, const char *fmt, va_list args)
 766 {
 767         lc_evfprintf(firm_get_arg_env(), f, fmt, args);
 768 }
 769
 770 void ir_vsnprintf(char *buf, size_t len, const char *fmt, va_list args)
 771 {
 772         lc_evsnprintf(firm_get_arg_env(), buf, len, fmt, args);
 773 }
 774
 775 void ir_obst_vprintf(struct obstack *obst, const char *fmt, va_list args)
 776 {
 777         lc_evoprintf(firm_get_arg_env(), obst, fmt, args);
 778 }
 779
 780 #endif