sim/common/sim-trace.c

   1 /* Simulator tracing/debugging support.
   2    Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   3    Contributed by Cygnus Support.
   4
   5 This file is part of GDB, the GNU debugger.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License along
  18 with this program; if not, write to the Free Software Foundation, Inc.,
  19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #include "sim-main.h"
  22 #include "sim-io.h"
  23 #include "sim-options.h"
  24 #include "sim-fpu.h"
  25
  26 #include "bfd.h"
  27 #include "libiberty.h"
  28
  29 #include "sim-assert.h"
  30
  31 #ifdef HAVE_STRING_H
  32 #include <string.h>
  33 #else
  34 #ifdef HAVE_STRINGS_H
  35 #include <strings.h>
  36 #endif
  37 #endif
  38
  39 #ifndef SIZE_PHASE
  40 #define SIZE_PHASE 8
  41 #endif
  42
  43 #ifndef SIZE_LOCATION
  44 #define SIZE_LOCATION 20
  45 #endif
  46
  47 #ifndef SIZE_PC
  48 #define SIZE_PC 6
  49 #endif
  50
  51 #ifndef SIZE_LINE_NUMBER
  52 #define SIZE_LINE_NUMBER 4
  53 #endif
  54
  55 static MODULE_INIT_FN trace_init;
  56 static MODULE_UNINSTALL_FN trace_uninstall;
  57
  58 static DECLARE_OPTION_HANDLER (trace_option_handler);
  59
  60 enum {
  61   OPTION_TRACE_INSN     = OPTION_START,
  62   OPTION_TRACE_DECODE,
  63   OPTION_TRACE_EXTRACT,
  64   OPTION_TRACE_LINENUM,
  65   OPTION_TRACE_MEMORY,
  66   OPTION_TRACE_MODEL,
  67   OPTION_TRACE_ALU,
  68   OPTION_TRACE_CORE,
  69   OPTION_TRACE_EVENTS,
  70   OPTION_TRACE_FPU,
  71   OPTION_TRACE_BRANCH,
  72   OPTION_TRACE_SEMANTICS,
  73   OPTION_TRACE_RANGE,
  74   OPTION_TRACE_FUNCTION,
  75   OPTION_TRACE_DEBUG,
  76   OPTION_TRACE_FILE
  77 };
  78
  79 static const OPTION trace_options[] =
  80 {
  81   /* This table is organized to group related instructions together.  */
  82   { {"trace", optional_argument, NULL, 't'},
  83       't', "on|off", "Trace useful things",
  84       trace_option_handler },
  85   { {"trace-insn", optional_argument, NULL, OPTION_TRACE_INSN},
  86       '\0', "on|off", "Perform instruction tracing",
  87       trace_option_handler },
  88   { {"trace-decode", optional_argument, NULL, OPTION_TRACE_DECODE},
  89       '\0', "on|off", "Trace instruction decoding",
  90       trace_option_handler },
  91   { {"trace-extract", optional_argument, NULL, OPTION_TRACE_EXTRACT},
  92       '\0', "on|off", "Trace instruction extraction",
  93       trace_option_handler },
  94   { {"trace-linenum", optional_argument, NULL, OPTION_TRACE_LINENUM},
  95       '\0', "on|off", "Perform line number tracing (implies --trace-insn)",
  96       trace_option_handler },
  97   { {"trace-memory", optional_argument, NULL, OPTION_TRACE_MEMORY},
  98       '\0', "on|off", "Trace memory operations",
  99       trace_option_handler },
 100   { {"trace-alu", optional_argument, NULL, OPTION_TRACE_ALU},
 101       '\0', "on|off", "Trace ALU operations",
 102       trace_option_handler },
 103   { {"trace-fpu", optional_argument, NULL, OPTION_TRACE_FPU},
 104       '\0', "on|off", "Trace FPU operations",
 105       trace_option_handler },
 106   { {"trace-branch", optional_argument, NULL, OPTION_TRACE_BRANCH},
 107       '\0', "on|off", "Trace branching",
 108       trace_option_handler },
 109   { {"trace-semantics", optional_argument, NULL, OPTION_TRACE_SEMANTICS},
 110       '\0', "on|off", "Perform ALU, FPU, MEMORY, and BRANCH tracing",
 111       trace_option_handler },
 112   { {"trace-model", optional_argument, NULL, OPTION_TRACE_MODEL},
 113       '\0', "on|off", "Include model performance data",
 114       trace_option_handler },
 115   { {"trace-core", optional_argument, NULL, OPTION_TRACE_CORE},
 116       '\0', "on|off", "Trace core operations",
 117       trace_option_handler },
 118   { {"trace-events", optional_argument, NULL, OPTION_TRACE_EVENTS},
 119       '\0', "on|off", "Trace events",
 120       trace_option_handler },
 121 #ifdef SIM_HAVE_ADDR_RANGE
 122   { {"trace-range", required_argument, NULL, OPTION_TRACE_RANGE},
 123       '\0', "START,END", "Specify range of addresses for instruction tracing",
 124       trace_option_handler },
 125 #if 0 /*wip*/
 126   { {"trace-function", required_argument, NULL, OPTION_TRACE_FUNCTION},
 127       '\0', "FUNCTION", "Specify function to trace",
 128       trace_option_handler },
 129 #endif
 130 #endif
 131   { {"trace-debug", optional_argument, NULL, OPTION_TRACE_DEBUG},
 132       '\0', "on|off", "Add information useful for debugging the simulator to the tracing output",
 133       trace_option_handler },
 134   { {"trace-file", required_argument, NULL, OPTION_TRACE_FILE},
 135       '\0', "FILE NAME", "Specify tracing output file",
 136       trace_option_handler },
 137   { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
 138 };
 139
 140 /* Set/reset the trace options indicated in MASK.  */
 141
 142 static SIM_RC
 143 set_trace_option_mask (sd, name, mask, arg)
 144      SIM_DESC sd;
 145      const char *name;
 146      int mask;
 147      const char *arg;
 148 {
 149   int trace_nr;
 150   int cpu_nr;
 151   int trace_val = 1;
 152
 153   if (arg != NULL)
 154     {
 155       if (strcmp (arg, "yes") == 0
 156           || strcmp (arg, "on") == 0
 157           || strcmp (arg, "1") == 0)
 158         trace_val = 1;
 159       else if (strcmp (arg, "no") == 0
 160                || strcmp (arg, "off") == 0
 161                || strcmp (arg, "0") == 0)
 162         trace_val = 0;
 163       else
 164         {
 165           sim_io_eprintf (sd, "Argument `%s' for `--trace%s' invalid, one of `on', `off', `yes', `no' expected\n", arg, name);
 166           return SIM_RC_FAIL;
 167         }
 168     }
 169
 170   /* update applicable trace bits */
 171   for (trace_nr = 0; trace_nr < MAX_TRACE_VALUES; ++trace_nr)
 172     {
 173       if ((mask & (1 << trace_nr)) == 0)
 174         continue;
 175
 176       /* Set non-cpu specific values.  */
 177       switch (trace_nr)
 178         {
 179         case TRACE_EVENTS_IDX:
 180           STATE_EVENTS (sd)->trace = trace_val;
 181           break;
 182         case TRACE_DEBUG_IDX:
 183           STATE_TRACE_FLAGS (sd)[trace_nr] = trace_val;
 184           break;
 185         }
 186
 187       /* Set cpu values.  */
 188       for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
 189         {
 190           CPU_TRACE_FLAGS (STATE_CPU (sd, cpu_nr))[trace_nr] = trace_val;
 191         }
 192     }
 193
 194   /* Re-compute the cpu trace summary.  */
 195   if (trace_val)
 196     {
 197       for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
 198         CPU_TRACE_DATA (STATE_CPU (sd, cpu_nr))->trace_any_p = 1;
 199     }
 200   else
 201     {
 202       for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; cpu_nr++)
 203         {
 204           CPU_TRACE_DATA (STATE_CPU (sd, cpu_nr))->trace_any_p = 0;
 205           for (trace_nr = 0; trace_nr < MAX_TRACE_VALUES; ++trace_nr)
 206             {
 207               if (CPU_TRACE_FLAGS (STATE_CPU (sd, cpu_nr))[trace_nr])
 208                 {
 209                   CPU_TRACE_DATA (STATE_CPU (sd, cpu_nr))->trace_any_p = 1;
 210                   break;
 211                 }
 212             }
 213         }
 214     }
 215
 216   return SIM_RC_OK;
 217 }
 218
 219 /* Set one trace option based on its IDX value.  */
 220
 221 static SIM_RC
 222 set_trace_option (sd, name, idx, arg)
 223      SIM_DESC sd;
 224      const char *name;
 225      int idx;
 226      const char *arg;
 227 {
 228   return set_trace_option_mask (sd, name, 1 << idx, arg);
 229 }
 230
 231
 232 static SIM_RC
 233 trace_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt,
 234                       char *arg, int is_command)
 235 {
 236   int n;
 237   int cpu_nr;
 238
 239   switch (opt)
 240     {
 241     case 't' :
 242       if (! WITH_TRACE)
 243         sim_io_eprintf (sd, "Tracing not compiled in, `-t' ignored\n");
 244       else
 245         return set_trace_option_mask (sd, "trace", TRACE_USEFUL_MASK, arg);
 246       break;
 247
 248     case OPTION_TRACE_INSN :
 249       if (WITH_TRACE_INSN_P)
 250         return set_trace_option (sd, "-insn", TRACE_INSN_IDX, arg);
 251       else
 252         sim_io_eprintf (sd, "Instruction tracing not compiled in, `--trace-insn' ignored\n");
 253       break;
 254
 255     case OPTION_TRACE_DECODE :
 256       if (WITH_TRACE_DECODE_P)
 257         return set_trace_option (sd, "-decode", TRACE_DECODE_IDX, arg);
 258       else
 259         sim_io_eprintf (sd, "Decode tracing not compiled in, `--trace-decode' ignored\n");
 260       break;
 261
 262     case OPTION_TRACE_EXTRACT :
 263       if (WITH_TRACE_EXTRACT_P)
 264         return set_trace_option (sd, "-extract", TRACE_EXTRACT_IDX, arg);
 265       else
 266         sim_io_eprintf (sd, "Extract tracing not compiled in, `--trace-extract' ignored\n");
 267       break;
 268
 269     case OPTION_TRACE_LINENUM :
 270       if (WITH_TRACE_LINENUM_P && WITH_TRACE_INSN_P)
 271         {
 272           if (set_trace_option (sd, "-linenum", TRACE_LINENUM_IDX, arg) != SIM_RC_OK
 273               || set_trace_option (sd, "-linenum", TRACE_INSN_IDX, arg) != SIM_RC_OK)
 274             return SIM_RC_FAIL;
 275         }
 276       else
 277         sim_io_eprintf (sd, "Line number or instruction tracing not compiled in, `--trace-linenum' ignored\n");
 278       break;
 279
 280     case OPTION_TRACE_MEMORY :
 281       if (WITH_TRACE_MEMORY_P)
 282         return set_trace_option (sd, "-memory", TRACE_MEMORY_IDX, arg);
 283       else
 284         sim_io_eprintf (sd, "Memory tracing not compiled in, `--trace-memory' ignored\n");
 285       break;
 286
 287     case OPTION_TRACE_MODEL :
 288       if (WITH_TRACE_MODEL_P)
 289         return set_trace_option (sd, "-model", TRACE_MODEL_IDX, arg);
 290       else
 291         sim_io_eprintf (sd, "Model tracing not compiled in, `--trace-model' ignored\n");
 292       break;
 293
 294     case OPTION_TRACE_ALU :
 295       if (WITH_TRACE_ALU_P)
 296         return set_trace_option (sd, "-alu", TRACE_ALU_IDX, arg);
 297       else
 298         sim_io_eprintf (sd, "ALU tracing not compiled in, `--trace-alu' ignored\n");
 299       break;
 300
 301     case OPTION_TRACE_CORE :
 302       if (WITH_TRACE_CORE_P)
 303         return set_trace_option (sd, "-core", TRACE_CORE_IDX, arg);
 304       else
 305         sim_io_eprintf (sd, "CORE tracing not compiled in, `--trace-core' ignored\n");
 306       break;
 307
 308     case OPTION_TRACE_EVENTS :
 309       if (WITH_TRACE_EVENTS_P)
 310         return set_trace_option (sd, "-events", TRACE_EVENTS_IDX, arg);
 311       else
 312         sim_io_eprintf (sd, "EVENTS tracing not compiled in, `--trace-events' ignored\n");
 313       break;
 314
 315     case OPTION_TRACE_FPU :
 316       if (WITH_TRACE_FPU_P)
 317         return set_trace_option (sd, "-fpu", TRACE_FPU_IDX, arg);
 318       else
 319         sim_io_eprintf (sd, "FPU tracing not compiled in, `--trace-fpu' ignored\n");
 320       break;
 321
 322     case OPTION_TRACE_BRANCH :
 323       if (WITH_TRACE_BRANCH_P)
 324         return set_trace_option (sd, "-branch", TRACE_BRANCH_IDX, arg);
 325       else
 326         sim_io_eprintf (sd, "Branch tracing not compiled in, `--trace-branch' ignored\n");
 327       break;
 328
 329     case OPTION_TRACE_SEMANTICS :
 330       if (WITH_TRACE_ALU_P
 331           && WITH_TRACE_FPU_P
 332           && WITH_TRACE_MEMORY_P
 333           && WITH_TRACE_BRANCH_P)
 334         {
 335           if (set_trace_option (sd, "-semantics", TRACE_ALU_IDX, arg) != SIM_RC_OK
 336               || set_trace_option (sd, "-semantics", TRACE_FPU_IDX, arg) != SIM_RC_OK
 337               || set_trace_option (sd, "-semantics", TRACE_MEMORY_IDX, arg) != SIM_RC_OK
 338               || set_trace_option (sd, "-semantics", TRACE_BRANCH_IDX, arg) != SIM_RC_OK)
 339             return SIM_RC_FAIL;
 340         }
 341       else
 342         sim_io_eprintf (sd, "Alu, fpu, memory, and/or branch tracing not compiled in, `--trace-semantics' ignored\n");
 343       break;
 344
 345 #ifdef SIM_HAVE_ADDR_RANGE
 346     case OPTION_TRACE_RANGE :
 347       if (WITH_TRACE)
 348         {
 349           char *chp = arg;
 350           unsigned long start,end;
 351           start = strtoul (chp, &chp, 0);
 352           if (*chp != ',')
 353             {
 354               sim_io_eprintf (sd, "--trace-range missing END argument\n");
 355               return SIM_RC_FAIL;
 356             }
 357           end = strtoul (chp + 1, NULL, 0);
 358           /* FIXME: Argument validation.  */
 359           if (cpu != NULL)
 360             sim_addr_range_add (TRACE_RANGE (CPU_PROFILE_DATA (cpu)),
 361                                 start, end);
 362           else
 363             for (cpu_nr = 0; cpu_nr < MAX_NR_PROCESSORS; ++cpu_nr)
 364               sim_addr_range_add (TRACE_RANGE (CPU_TRACE_DATA (STATE_CPU (sd, cpu_nr))),
 365                                   start, end);
 366         }
 367       else
 368         sim_io_eprintf (sd, "Tracing not compiled in, `--trace-range' ignored\n");
 369       break;
 370
 371     case OPTION_TRACE_FUNCTION :
 372       if (WITH_TRACE)
 373         {
 374           /*wip: need to compute function range given name*/
 375         }
 376       else
 377         sim_io_eprintf (sd, "Tracing not compiled in, `--trace-function' ignored\n");
 378       break;
 379 #endif /* SIM_HAVE_ADDR_RANGE */
 380
 381     case OPTION_TRACE_DEBUG :
 382       if (WITH_TRACE_DEBUG_P)
 383         return set_trace_option (sd, "-debug", TRACE_DEBUG_IDX, arg);
 384       else
 385         sim_io_eprintf (sd, "Tracing debug support not compiled in, `--trace-debug' ignored\n");
 386       break;
 387
 388     case OPTION_TRACE_FILE :
 389       if (! WITH_TRACE)
 390         sim_io_eprintf (sd, "Tracing not compiled in, `--trace-file' ignored\n");
 391       else
 392         {
 393           FILE *f = fopen (arg, "w");
 394
 395           if (f == NULL)
 396             {
 397               sim_io_eprintf (sd, "Unable to open trace output file `%s'\n", arg);
 398               return SIM_RC_FAIL;
 399             }
 400           for (n = 0; n < MAX_NR_PROCESSORS; ++n)
 401             TRACE_FILE (CPU_TRACE_DATA (STATE_CPU (sd, n))) = f;
 402           TRACE_FILE (STATE_TRACE_DATA (sd)) = f;
 403         }
 404       break;
 405     }
 406
 407   return SIM_RC_OK;
 408 }
 409 \f
 410 /* Install tracing support.  */
 411
 412 SIM_RC
 413 trace_install (SIM_DESC sd)
 414 {
 415   int i;
 416
 417   SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
 418
 419   sim_add_option_table (sd, NULL, trace_options);
 420   memset (STATE_TRACE_DATA (sd), 0, sizeof (* STATE_TRACE_DATA (sd)));
 421   for (i = 0; i < MAX_NR_PROCESSORS; ++i)
 422     memset (CPU_TRACE_DATA (STATE_CPU (sd, i)), 0,
 423             sizeof (* CPU_TRACE_DATA (STATE_CPU (sd, i))));
 424   sim_module_add_init_fn (sd, trace_init);
 425   sim_module_add_uninstall_fn (sd, trace_uninstall);
 426   return SIM_RC_OK;
 427 }
 428
 429 static SIM_RC
 430 trace_init (SIM_DESC sd)
 431 {
 432 #ifdef SIM_HAVE_ADDR_RANGE
 433   /* Check if a range has been specified without specifying what to
 434      collect.  */
 435   {
 436     int i;
 437
 438     for (i = 0; i < MAX_NR_PROCESSORS; ++i)
 439       {
 440         sim_cpu *cpu = STATE_CPU (sd, i);
 441
 442         if (ADDR_RANGE_RANGES (TRACE_RANGE (CPU_TRACE_DATA (cpu)))
 443             && ! TRACE_INSN_P (cpu))
 444           {
 445             sim_io_eprintf_cpu (cpu, "Tracing address range specified without --trace-insn.\n");
 446             sim_io_eprintf_cpu (cpu, "Address range ignored.\n");
 447             sim_addr_range_delete (TRACE_RANGE (CPU_TRACE_DATA (cpu)),
 448                                    0, ~ (address_word) 0);
 449           }
 450       }
 451   }
 452 #endif
 453
 454   return SIM_RC_OK;
 455 }
 456
 457 static void
 458 trace_uninstall (SIM_DESC sd)
 459 {
 460   int i,j;
 461   FILE *sfile = TRACE_FILE (STATE_TRACE_DATA (sd));
 462
 463   if (sfile != NULL)
 464     fclose (sfile);
 465
 466   for (i = 0; i < MAX_NR_PROCESSORS; ++i)
 467     {
 468       FILE *cfile = TRACE_FILE (CPU_TRACE_DATA (STATE_CPU (sd, i)));
 469       if (cfile != NULL && cfile != sfile)
 470         {
 471           /* If output from different cpus is going to the same file,
 472              avoid closing the file twice.  */
 473           for (j = 0; j < i; ++j)
 474             if (TRACE_FILE (CPU_TRACE_DATA (STATE_CPU (sd, j))) == cfile)
 475               break;
 476           if (i == j)
 477             fclose (cfile);
 478         }
 479     }
 480 }
 481 \f
 482 typedef enum {
 483   trace_fmt_invalid,
 484   trace_fmt_word,
 485   trace_fmt_fp,
 486   trace_fmt_fpu,
 487   trace_fmt_string,
 488   trace_fmt_bool,
 489   trace_fmt_addr,
 490   trace_fmt_instruction_incomplete,
 491 } data_fmt;
 492
 493 /* compute the nr of trace data units consumed by data */
 494 static int
 495 save_data_size (TRACE_DATA *data,
 496                 long size)
 497 {
 498   return ((size + sizeof (TRACE_INPUT_DATA (data) [0]) - 1)
 499           / sizeof (TRACE_INPUT_DATA (data) [0]));
 500 }
 501
 502
 503 /* Archive DATA into the trace buffer */
 504 static void
 505 save_data (SIM_DESC sd,
 506            TRACE_DATA *data,
 507            data_fmt fmt,
 508            long size,
 509            void *buf)
 510 {
 511   int i = TRACE_INPUT_IDX (data);
 512   if (i == sizeof (TRACE_INPUT_FMT (data)))
 513     sim_io_error (sd, "trace buffer overflow");
 514   TRACE_INPUT_FMT (data) [i] = fmt;
 515   TRACE_INPUT_SIZE (data) [i] = size;
 516   memcpy (&TRACE_INPUT_DATA (data) [i], buf, size);
 517   i += save_data_size (data, size);
 518   TRACE_INPUT_IDX (data) = i;
 519 }
 520
 521 static void
 522 print_data (SIM_DESC sd,
 523             sim_cpu *cpu,
 524             data_fmt fmt,
 525             long size,
 526             void *data)
 527 {
 528   switch (fmt)
 529     {
 530     case trace_fmt_instruction_incomplete:
 531       trace_printf (sd, cpu, " (instruction incomplete)");
 532       break;
 533     case trace_fmt_word:
 534     case trace_fmt_addr:
 535       {
 536         switch (size)
 537           {
 538           case sizeof (unsigned32):
 539             trace_printf (sd, cpu, " 0x%08lx", (long) * (unsigned32*) data);
 540             break;
 541           case sizeof (unsigned64):
 542             trace_printf (sd, cpu, " 0x%08lx%08lx",
 543                           (long) ((* (unsigned64*) data) >> 32),
 544                           (long) * (unsigned64*) data);
 545             break;
 546           default:
 547             abort ();
 548           }
 549         break;
 550       }
 551     case trace_fmt_bool:
 552       {
 553         SIM_ASSERT (size == sizeof (int));
 554         trace_printf (sd, cpu, " %-8s",
 555                       (* (int*) data) ? "true" : "false");
 556         break;
 557       }
 558     case trace_fmt_fp:
 559       {
 560         sim_fpu fp;
 561         switch (size)
 562           {
 563             /* FIXME: Assumes sizeof float == 4; sizeof double == 8 */
 564           case 4:
 565             sim_fpu_32to (&fp, *(unsigned32*)data);
 566             break;
 567           case 8:
 568             sim_fpu_64to (&fp, *(unsigned64*)data);
 569             break;
 570           default:
 571             abort ();
 572           }
 573         trace_printf (sd, cpu, " %8g", sim_fpu_2d (&fp));
 574         switch (size)
 575           {
 576           case 4:
 577             trace_printf (sd, cpu, " (0x%08lx)",
 578                           (long) *(unsigned32*)data);
 579             break;
 580           case 8:
 581             trace_printf (sd, cpu, " (0x%08lx%08lx)",
 582                           (long) (*(unsigned64*)data >> 32),
 583                           (long) (*(unsigned64*)data));
 584             break;
 585           default:
 586             abort ();
 587           }
 588         break;
 589       }
 590     case trace_fmt_fpu:
 591       /* FIXME: At present sim_fpu data is stored as a double */
 592       trace_printf (sd, cpu, " %8g", * (double*) data);
 593       break;
 594     case trace_fmt_string:
 595       trace_printf (sd, cpu, " %-8s", (char*) data);
 596       break;
 597     default:
 598       abort ();
 599     }
 600 }
 601
 602 static const char *
 603 trace_idx_to_str (int trace_idx)
 604 {
 605   static char num[8];
 606   switch (trace_idx)
 607     {
 608     case TRACE_ALU_IDX:     return "alu:     ";
 609     case TRACE_INSN_IDX:    return "insn:    ";
 610     case TRACE_DECODE_IDX:  return "decode:  ";
 611     case TRACE_EXTRACT_IDX: return "extract: ";
 612     case TRACE_MEMORY_IDX:  return "memory:  ";
 613     case TRACE_CORE_IDX:    return "core:    ";
 614     case TRACE_EVENTS_IDX:  return "events:  ";
 615     case TRACE_FPU_IDX:     return "fpu:     ";
 616     case TRACE_BRANCH_IDX:  return "branch:  ";
 617     default:
 618       sprintf (num, "?%d?", trace_idx);
 619       return num;
 620     }
 621 }
 622
 623 static void
 624 trace_results (SIM_DESC sd,
 625                sim_cpu *cpu,
 626                int trace_idx,
 627                int last_input)
 628 {
 629   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 630   int nr_out;
 631   int i;
 632
 633   /* cross check trace_idx against TRACE_IDX (data)? */
 634
 635   /* prefix */
 636   trace_printf (sd, cpu, "%s %s",
 637                 trace_idx_to_str (TRACE_IDX (data)),
 638                 TRACE_PREFIX (data));
 639   TRACE_IDX (data) = 0;
 640
 641   for (i = 0, nr_out = 0;
 642        i < TRACE_INPUT_IDX (data);
 643        i += save_data_size (data, TRACE_INPUT_SIZE (data) [i]), nr_out++)
 644     {
 645       if (i == last_input)
 646         {
 647           int pad = (strlen (" 0x") + sizeof (unsigned_word) * 2);
 648           int padding = pad * (3 - nr_out);
 649           if (padding < 0)
 650             padding = 0;
 651           padding += strlen (" ::");
 652           trace_printf (sd, cpu, "%*s", padding, " ::");
 653         }
 654       print_data (sd, cpu,
 655                   TRACE_INPUT_FMT (data) [i],
 656                   TRACE_INPUT_SIZE (data) [i],
 657                   &TRACE_INPUT_DATA (data) [i]);
 658     }
 659   trace_printf (sd, cpu, "\n");
 660 }
 661
 662 void
 663 trace_prefix (SIM_DESC sd,
 664               sim_cpu *cpu,
 665               sim_cia cia,
 666               address_word pc,
 667               int line_p,
 668               const char *filename,
 669               int linenum,
 670               const char *fmt,
 671               ...)
 672 {
 673   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 674   va_list ap;
 675   char *prefix = TRACE_PREFIX (data);
 676   char *chp;
 677  /* FIXME: The TRACE_PREFIX_WIDTH should be determined at build time using
 678     known information about the disassembled instructions. */
 679 #ifndef TRACE_PREFIX_WIDTH
 680 #define TRACE_PREFIX_WIDTH 48
 681 #endif
 682   int width = TRACE_PREFIX_WIDTH;
 683
 684   /* if the previous trace data wasn't flushed, flush it now with a
 685      note indicating that the trace was incomplete. */
 686   if (TRACE_IDX (data) != 0)
 687     {
 688       int last_input = TRACE_INPUT_IDX (data);
 689       save_data (sd, data, trace_fmt_instruction_incomplete, 1, "");
 690       trace_results (sd, cpu, TRACE_IDX (data), last_input);
 691     }
 692   TRACE_IDX (data) = 0;
 693   TRACE_INPUT_IDX (data) = 0;
 694
 695   /* Create the text prefix for this new instruction: */
 696   if (!line_p)
 697     {
 698       if (filename)
 699         {
 700           sprintf (prefix, "%s:%-*d 0x%.*lx ",
 701                    filename,
 702                    SIZE_LINE_NUMBER, linenum,
 703                    SIZE_PC, (long) pc);
 704         }
 705       else
 706         {
 707           sprintf (prefix, "0x%.*lx ",
 708                    SIZE_PC, (long) pc);
 709           /* Shrink the width by the amount that we didn't print.  */
 710           width -= SIZE_LINE_NUMBER + SIZE_PC + 8;
 711         }
 712       chp = strchr (prefix, '\0');
 713       va_start (ap, fmt);
 714       vsprintf (chp, fmt, ap);
 715       va_end (ap);
 716     }
 717   else
 718     {
 719       char buf[256];
 720       buf[0] = 0;
 721       if (STATE_TEXT_SECTION (CPU_STATE (cpu))
 722           && pc >= STATE_TEXT_START (CPU_STATE (cpu))
 723           && pc < STATE_TEXT_END (CPU_STATE (cpu)))
 724         {
 725           const char *pc_filename = (const char *)0;
 726           const char *pc_function = (const char *)0;
 727           unsigned int pc_linenum = 0;
 728           bfd *abfd;
 729           asymbol **asymbols;
 730
 731           abfd = STATE_PROG_BFD (CPU_STATE (cpu));
 732           asymbols = STATE_PROG_SYMS (CPU_STATE (cpu));
 733           if (asymbols == NULL)
 734             {
 735               long symsize;
 736               long symbol_count;
 737
 738               symsize = bfd_get_symtab_upper_bound (abfd);
 739               if (symsize < 0)
 740                 {
 741                   sim_engine_abort (sd, cpu, cia, "could not read symbols");
 742                 }
 743               asymbols = (asymbol **) xmalloc (symsize);
 744               symbol_count = bfd_canonicalize_symtab (abfd, asymbols);
 745               if (symbol_count < 0)
 746                 {
 747                   sim_engine_abort (sd, cpu, cia, "could not canonicalize symbols");
 748                 }
 749               STATE_PROG_SYMS (CPU_STATE (cpu)) = asymbols;
 750             }
 751
 752           if (bfd_find_nearest_line (abfd,
 753                                      STATE_TEXT_SECTION (CPU_STATE (cpu)),
 754                                      asymbols,
 755                                      pc - STATE_TEXT_START (CPU_STATE (cpu)),
 756                                      &pc_filename, &pc_function, &pc_linenum))
 757             {
 758               char *p = buf;
 759               if (pc_linenum)
 760                 {
 761                   sprintf (p, "#%-*d ", SIZE_LINE_NUMBER, pc_linenum);
 762                   p += strlen (p);
 763                 }
 764               else
 765                 {
 766                   sprintf (p, "%-*s ", SIZE_LINE_NUMBER+1, "---");
 767                   p += SIZE_LINE_NUMBER+2;
 768                 }
 769
 770               if (pc_function)
 771                 {
 772                   sprintf (p, "%s ", pc_function);
 773                   p += strlen (p);
 774                 }
 775               else if (pc_filename)
 776                 {
 777                   char *q = (char *) strrchr (pc_filename, '/');
 778                   sprintf (p, "%s ", (q) ? q+1 : pc_filename);
 779                   p += strlen (p);
 780                 }
 781
 782               if (*p == ' ')
 783                 *p = '\0';
 784             }
 785         }
 786
 787       sprintf (prefix, "0x%.*x %-*.*s ",
 788                SIZE_PC, (unsigned) pc,
 789                SIZE_LOCATION, SIZE_LOCATION, buf);
 790       chp = strchr (prefix, '\0');
 791       va_start (ap, fmt);
 792       vsprintf (chp, fmt, ap);
 793       va_end (ap);
 794     }
 795
 796   /* Pad it out to TRACE_PREFIX_WIDTH.  */
 797   chp = strchr (prefix, '\0');
 798   if (chp - prefix < width)
 799     {
 800       memset (chp, ' ', width - (chp - prefix));
 801       chp = &prefix [width];
 802       *chp = '\0';
 803     }
 804   strcpy (chp, " -");
 805
 806   /* check that we've not over flowed the prefix buffer */
 807   if (strlen (prefix) >= sizeof (TRACE_PREFIX (data)))
 808     abort ();
 809 }
 810
 811 void
 812 trace_generic (SIM_DESC sd,
 813                sim_cpu *cpu,
 814                int trace_idx,
 815                char *fmt,
 816                ...)
 817 {
 818   va_list ap;
 819   trace_printf (sd, cpu, "%s %s",
 820                 trace_idx_to_str (trace_idx),
 821                 TRACE_PREFIX (CPU_TRACE_DATA (cpu)));
 822   va_start (ap, fmt);
 823   trace_vprintf (sd, cpu, fmt, ap);
 824   va_end (ap);
 825   trace_printf (sd, cpu, "\n");
 826 }
 827
 828 void
 829 trace_input0 (SIM_DESC sd,
 830               sim_cpu *cpu,
 831               int trace_idx)
 832 {
 833   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 834   TRACE_IDX (data) = trace_idx;
 835 }
 836
 837 void
 838 trace_input_word1 (SIM_DESC sd,
 839                    sim_cpu *cpu,
 840                    int trace_idx,
 841                    unsigned_word d0)
 842 {
 843   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 844   TRACE_IDX (data) = trace_idx;
 845   save_data (sd, data, trace_fmt_word, sizeof (unsigned_word), &d0);
 846 }
 847
 848 void
 849 trace_input_word2 (SIM_DESC sd,
 850                    sim_cpu *cpu,
 851                    int trace_idx,
 852                    unsigned_word d0,
 853                    unsigned_word d1)
 854 {
 855   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 856   TRACE_IDX (data) = trace_idx;
 857   save_data (sd, data, trace_fmt_word, sizeof (unsigned_word), &d0);
 858   save_data (sd, data, trace_fmt_word, sizeof (unsigned_word), &d1);
 859 }
 860
 861 void
 862 trace_input_word3 (SIM_DESC sd,
 863                    sim_cpu *cpu,
 864                    int trace_idx,
 865                    unsigned_word d0,
 866                    unsigned_word d1,
 867                    unsigned_word d2)
 868 {
 869   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 870   TRACE_IDX (data) = trace_idx;
 871   save_data (sd, data, trace_fmt_word, sizeof (unsigned_word), &d0);
 872   save_data (sd, data, trace_fmt_word, sizeof (unsigned_word), &d1);
 873   save_data (sd, data, trace_fmt_word, sizeof (unsigned_word), &d2);
 874 }
 875
 876 void
 877 trace_input_word4 (SIM_DESC sd,
 878                    sim_cpu *cpu,
 879                    int trace_idx,
 880                    unsigned_word d0,
 881                    unsigned_word d1,
 882                    unsigned_word d2,
 883                    unsigned_word d3)
 884 {
 885   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 886   TRACE_IDX (data) = trace_idx;
 887   save_data (sd, data, trace_fmt_word, sizeof (d0), &d0);
 888   save_data (sd, data, trace_fmt_word, sizeof (d1), &d1);
 889   save_data (sd, data, trace_fmt_word, sizeof (d2), &d2);
 890   save_data (sd, data, trace_fmt_word, sizeof (d3), &d3);
 891 }
 892
 893 void
 894 trace_input_bool1 (SIM_DESC sd,
 895                    sim_cpu *cpu,
 896                    int trace_idx,
 897                    int d0)
 898 {
 899   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 900   TRACE_IDX (data) = trace_idx;
 901   save_data (sd, data, trace_fmt_bool, sizeof (d0), &d0);
 902 }
 903
 904 void
 905 trace_input_addr1 (SIM_DESC sd,
 906                    sim_cpu *cpu,
 907                    int trace_idx,
 908                    address_word d0)
 909 {
 910   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 911   TRACE_IDX (data) = trace_idx;
 912   save_data (sd, data, trace_fmt_addr, sizeof (d0), &d0);
 913 }
 914
 915 void
 916 trace_input_fp1 (SIM_DESC sd,
 917                  sim_cpu *cpu,
 918                  int trace_idx,
 919                  fp_word f0)
 920 {
 921   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 922   TRACE_IDX (data) = trace_idx;
 923   save_data (sd, data, trace_fmt_fp, sizeof (fp_word), &f0);
 924 }
 925
 926 void
 927 trace_input_fp2 (SIM_DESC sd,
 928                  sim_cpu *cpu,
 929                  int trace_idx,
 930                  fp_word f0,
 931                  fp_word f1)
 932 {
 933   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 934   TRACE_IDX (data) = trace_idx;
 935   save_data (sd, data, trace_fmt_fp, sizeof (fp_word), &f0);
 936   save_data (sd, data, trace_fmt_fp, sizeof (fp_word), &f1);
 937 }
 938
 939 void
 940 trace_input_fp3 (SIM_DESC sd,
 941                  sim_cpu *cpu,
 942                  int trace_idx,
 943                  fp_word f0,
 944                  fp_word f1,
 945                  fp_word f2)
 946 {
 947   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 948   TRACE_IDX (data) = trace_idx;
 949   save_data (sd, data, trace_fmt_fp, sizeof (fp_word), &f0);
 950   save_data (sd, data, trace_fmt_fp, sizeof (fp_word), &f1);
 951   save_data (sd, data, trace_fmt_fp, sizeof (fp_word), &f2);
 952 }
 953
 954 void
 955 trace_input_fpu1 (SIM_DESC sd,
 956                   sim_cpu *cpu,
 957                   int trace_idx,
 958                   sim_fpu *f0)
 959 {
 960   double d;
 961   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 962   TRACE_IDX (data) = trace_idx;
 963   d = sim_fpu_2d (f0);
 964   save_data (sd, data, trace_fmt_fp, sizeof (double), &d);
 965 }
 966
 967 void
 968 trace_input_fpu2 (SIM_DESC sd,
 969                   sim_cpu *cpu,
 970                   int trace_idx,
 971                   sim_fpu *f0,
 972                   sim_fpu *f1)
 973 {
 974   double d;
 975   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 976   TRACE_IDX (data) = trace_idx;
 977   d = sim_fpu_2d (f0);
 978   save_data (sd, data, trace_fmt_fp, sizeof (double), &d);
 979   d = sim_fpu_2d (f1);
 980   save_data (sd, data, trace_fmt_fp, sizeof (double), &d);
 981 }
 982
 983 void
 984 trace_input_fpu3 (SIM_DESC sd,
 985                   sim_cpu *cpu,
 986                   int trace_idx,
 987                   sim_fpu *f0,
 988                   sim_fpu *f1,
 989                   sim_fpu *f2)
 990 {
 991   double d;
 992   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
 993   TRACE_IDX (data) = trace_idx;
 994   d = sim_fpu_2d (f0);
 995   save_data (sd, data, trace_fmt_fp, sizeof (double), &d);
 996   d = sim_fpu_2d (f1);
 997   save_data (sd, data, trace_fmt_fp, sizeof (double), &d);
 998   d = sim_fpu_2d (f2);
 999   save_data (sd, data, trace_fmt_fp, sizeof (double), &d);
1000 }
1001
1002 void
1003 trace_result_word1 (SIM_DESC sd,
1004                     sim_cpu *cpu,
1005                     int trace_idx,
1006                     unsigned_word r0)
1007 {
1008   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1009   int last_input;
1010
1011   /* Append any results to the end of the inputs */
1012   last_input = TRACE_INPUT_IDX (data);
1013   save_data (sd, data, trace_fmt_word, sizeof (unsigned_word), &r0);
1014
1015   trace_results (sd, cpu, trace_idx, last_input);
1016 }
1017
1018 void
1019 trace_result0 (SIM_DESC sd,
1020                sim_cpu *cpu,
1021                int trace_idx)
1022 {
1023   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1024   int last_input;
1025
1026   /* Append any results to the end of the inputs */
1027   last_input = TRACE_INPUT_IDX (data);
1028
1029   trace_results (sd, cpu, trace_idx, last_input);
1030 }
1031
1032 void
1033 trace_result_word2 (SIM_DESC sd,
1034                     sim_cpu *cpu,
1035                     int trace_idx,
1036                     unsigned_word r0,
1037                     unsigned_word r1)
1038 {
1039   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1040   int last_input;
1041
1042   /* Append any results to the end of the inputs */
1043   last_input = TRACE_INPUT_IDX (data);
1044   save_data (sd, data, trace_fmt_word, sizeof (r0), &r0);
1045   save_data (sd, data, trace_fmt_word, sizeof (r1), &r1);
1046
1047   trace_results (sd, cpu, trace_idx, last_input);
1048 }
1049
1050 void
1051 trace_result_word4 (SIM_DESC sd,
1052                     sim_cpu *cpu,
1053                     int trace_idx,
1054                     unsigned_word r0,
1055                     unsigned_word r1,
1056                     unsigned_word r2,
1057                     unsigned_word r3)
1058 {
1059   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1060   int last_input;
1061
1062   /* Append any results to the end of the inputs */
1063   last_input = TRACE_INPUT_IDX (data);
1064   save_data (sd, data, trace_fmt_word, sizeof (r0), &r0);
1065   save_data (sd, data, trace_fmt_word, sizeof (r1), &r1);
1066   save_data (sd, data, trace_fmt_word, sizeof (r2), &r2);
1067   save_data (sd, data, trace_fmt_word, sizeof (r3), &r3);
1068
1069   trace_results (sd, cpu, trace_idx, last_input);
1070 }
1071
1072 void
1073 trace_result_bool1 (SIM_DESC sd,
1074                     sim_cpu *cpu,
1075                     int trace_idx,
1076                     int r0)
1077 {
1078   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1079   int last_input;
1080
1081   /* Append any results to the end of the inputs */
1082   last_input = TRACE_INPUT_IDX (data);
1083   save_data (sd, data, trace_fmt_bool, sizeof (r0), &r0);
1084
1085   trace_results (sd, cpu, trace_idx, last_input);
1086 }
1087
1088 void
1089 trace_result_addr1 (SIM_DESC sd,
1090                     sim_cpu *cpu,
1091                     int trace_idx,
1092                     address_word r0)
1093 {
1094   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1095   int last_input;
1096
1097   /* Append any results to the end of the inputs */
1098   last_input = TRACE_INPUT_IDX (data);
1099   save_data (sd, data, trace_fmt_addr, sizeof (r0), &r0);
1100
1101   trace_results (sd, cpu, trace_idx, last_input);
1102 }
1103
1104 void
1105 trace_result_fp1 (SIM_DESC sd,
1106                   sim_cpu *cpu,
1107                   int trace_idx,
1108                   fp_word f0)
1109 {
1110   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1111   int last_input;
1112
1113   /* Append any results to the end of the inputs */
1114   last_input = TRACE_INPUT_IDX (data);
1115   save_data (sd, data, trace_fmt_fp, sizeof (fp_word), &f0);
1116
1117   trace_results (sd, cpu, trace_idx, last_input);
1118 }
1119
1120 void
1121 trace_result_fp2 (SIM_DESC sd,
1122                   sim_cpu *cpu,
1123                   int trace_idx,
1124                   fp_word f0,
1125                   fp_word f1)
1126 {
1127   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1128   int last_input;
1129
1130   /* Append any results to the end of the inputs */
1131   last_input = TRACE_INPUT_IDX (data);
1132   save_data (sd, data, trace_fmt_fp, sizeof (f0), &f0);
1133   save_data (sd, data, trace_fmt_fp, sizeof (f1), &f1);
1134
1135   trace_results (sd, cpu, trace_idx, last_input);
1136 }
1137
1138 void
1139 trace_result_fpu1 (SIM_DESC sd,
1140                    sim_cpu *cpu,
1141                    int trace_idx,
1142                    sim_fpu *f0)
1143 {
1144   double d;
1145   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1146   int last_input;
1147
1148   /* Append any results to the end of the inputs */
1149   last_input = TRACE_INPUT_IDX (data);
1150   d = sim_fpu_2d (f0);
1151   save_data (sd, data, trace_fmt_fp, sizeof (double), &d);
1152
1153   trace_results (sd, cpu, trace_idx, last_input);
1154 }
1155
1156 void
1157 trace_result_string1 (SIM_DESC sd,
1158                       sim_cpu *cpu,
1159                       int trace_idx,
1160                       char *s0)
1161 {
1162   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1163   int last_input;
1164
1165   /* Append any results to the end of the inputs */
1166   last_input = TRACE_INPUT_IDX (data);
1167   save_data (sd, data, trace_fmt_string, strlen (s0) + 1, s0);
1168
1169   trace_results (sd, cpu, trace_idx, last_input);
1170 }
1171
1172 void
1173 trace_result_word1_string1 (SIM_DESC sd,
1174                             sim_cpu *cpu,
1175                             int trace_idx,
1176                             unsigned_word r0,
1177                             char *s0)
1178 {
1179   TRACE_DATA *data = CPU_TRACE_DATA (cpu);
1180   int last_input;
1181
1182   /* Append any results to the end of the inputs */
1183   last_input = TRACE_INPUT_IDX (data);
1184   save_data (sd, data, trace_fmt_word, sizeof (unsigned_word), &r0);
1185   save_data (sd, data, trace_fmt_string, strlen (s0) + 1, s0);
1186
1187   trace_results (sd, cpu, trace_idx, last_input);
1188 }
1189 \f
1190 void
1191 trace_vprintf (SIM_DESC sd, sim_cpu *cpu, const char *fmt, va_list ap)
1192 {
1193   if (cpu != NULL)
1194     {
1195       if (TRACE_FILE (CPU_TRACE_DATA (cpu)) != NULL)
1196         vfprintf (TRACE_FILE (CPU_TRACE_DATA (cpu)), fmt, ap);
1197       else
1198         sim_io_evprintf (sd, fmt, ap);
1199     }
1200   else
1201     {
1202       if (TRACE_FILE (STATE_TRACE_DATA (sd)) != NULL)
1203         vfprintf (TRACE_FILE (STATE_TRACE_DATA (sd)), fmt, ap);
1204       else
1205         sim_io_evprintf (sd, fmt, ap);
1206     }
1207 }
1208
1209 /* The function trace_one_insn has been replaced by the function pair
1210    trace_prefix() + trace_generic().  It is still used. */
1211 void
1212 trace_one_insn (SIM_DESC sd, sim_cpu *cpu, address_word pc,
1213                 int line_p, const char *filename, int linenum,
1214                 const char *phase_wo_colon, const char *fmt,
1215                 ...)
1216 {
1217   va_list ap;
1218   char phase[SIZE_PHASE+2];
1219
1220   strncpy (phase, phase_wo_colon, SIZE_PHASE);
1221   strcat (phase, ":");
1222
1223   if (!line_p)
1224     {
1225       trace_printf (sd, cpu, "%-*s %s:%-*d 0x%.*lx ",
1226                     SIZE_PHASE+1, phase,
1227                     filename,
1228                     SIZE_LINE_NUMBER, linenum,
1229                     SIZE_PC, (long)pc);
1230       va_start (ap, fmt);
1231       trace_vprintf (sd, cpu, fmt, ap);
1232       va_end (ap);
1233       trace_printf (sd, cpu, "\n");
1234     }
1235   else
1236     {
1237       char buf[256];
1238
1239       buf[0] = 0;
1240       if (STATE_TEXT_SECTION (CPU_STATE (cpu))
1241           && pc >= STATE_TEXT_START (CPU_STATE (cpu))
1242           && pc < STATE_TEXT_END (CPU_STATE (cpu)))
1243         {
1244           const char *pc_filename = (const char *)0;
1245           const char *pc_function = (const char *)0;
1246           unsigned int pc_linenum = 0;
1247
1248           if (bfd_find_nearest_line (STATE_PROG_BFD (CPU_STATE (cpu)),
1249                                      STATE_TEXT_SECTION (CPU_STATE (cpu)),
1250                                      (struct symbol_cache_entry **) 0,
1251                                      pc - STATE_TEXT_START (CPU_STATE (cpu)),
1252                                      &pc_filename, &pc_function, &pc_linenum))
1253             {
1254               char *p = buf;
1255               if (pc_linenum)
1256                 {
1257                   sprintf (p, "#%-*d ", SIZE_LINE_NUMBER, pc_linenum);
1258                   p += strlen (p);
1259                 }
1260               else
1261                 {
1262                   sprintf (p, "%-*s ", SIZE_LINE_NUMBER+1, "---");
1263                   p += SIZE_LINE_NUMBER+2;
1264                 }
1265
1266               if (pc_function)
1267                 {
1268                   sprintf (p, "%s ", pc_function);
1269                   p += strlen (p);
1270                 }
1271               else if (pc_filename)
1272                 {
1273                   char *q = (char *) strrchr (pc_filename, '/');
1274                   sprintf (p, "%s ", (q) ? q+1 : pc_filename);
1275                   p += strlen (p);
1276                 }
1277
1278               if (*p == ' ')
1279                 *p = '\0';
1280             }
1281         }
1282
1283       trace_printf (sd, cpu, "%-*s 0x%.*x %-*.*s ",
1284                     SIZE_PHASE+1, phase,
1285                     SIZE_PC, (unsigned) pc,
1286                     SIZE_LOCATION, SIZE_LOCATION, buf);
1287       va_start (ap, fmt);
1288       trace_vprintf (sd, cpu, fmt, ap);
1289       va_end (ap);
1290       trace_printf (sd, cpu, "\n");
1291     }
1292 }
1293
1294 void
1295 trace_printf VPARAMS ((SIM_DESC sd, sim_cpu *cpu, const char *fmt, ...))
1296 {
1297 #if !defined __STDC__ && !defined ALMOST_STDC
1298   SIM_DESC sd;
1299   sim_cpu *cpu;
1300   const char *fmt;
1301 #endif
1302   va_list ap;
1303
1304   VA_START (ap, fmt);
1305 #if !defined __STDC__ && !defined ALMOST_STDC
1306   sd = va_arg (ap, SIM_DESC);
1307   cpu = va_arg (ap, sim_cpu *);
1308   fmt = va_arg (ap, const char *);
1309 #endif
1310
1311   trace_vprintf (sd, cpu, fmt, ap);
1312
1313   va_end (ap);
1314 }
1315
1316 void
1317 debug_printf VPARAMS ((sim_cpu *cpu, const char *fmt, ...))
1318 {
1319 #if !defined __STDC__ && !defined ALMOST_STDC
1320   sim_cpu *cpu;
1321   const char *fmt;
1322 #endif
1323   va_list ap;
1324
1325   VA_START (ap, fmt);
1326 #if !defined __STDC__ && !defined ALMOST_STDC
1327   cpu = va_arg (ap, sim_cpu *);
1328   fmt = va_arg (ap, const char *);
1329 #endif
1330
1331   if (CPU_DEBUG_FILE (cpu) == NULL)
1332     (* STATE_CALLBACK (CPU_STATE (cpu))->evprintf_filtered)
1333       (STATE_CALLBACK (CPU_STATE (cpu)), fmt, ap);
1334   else
1335     vfprintf (CPU_DEBUG_FILE (cpu), fmt, ap);
1336
1337   va_end (ap);
1338 }