sim/common/ChangeLog

   1 Thu Sep  4 09:27:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * sim-utils.c (sim_elapsed_time_get): Never return zero.
   4
   5         * sim-core.c (sim_core_detach): New function.
   6         (sim_core_map_detach): New function. Perform the actual detach.
   7         (sim_core_init): Move initialization code from here.
   8         (sim_core_install): To here.
   9         (sim_core_uninstall): And here.
  10
  11         * sim-module.c: Add memopt module.
  12
  13         * sim-base.h (STATE_MEMOPT, STATE_MEMOPT_P): Add memopt to
  14         simulator base type.
  15
  16         * Make-common.in (sim_main_headers): Add sim-memopt.h
  17         (sim-memopt.o): New target.
  18
  19         * sim-core.c (sim_core_install): Add core_options to the option
  20         table.
  21
  22         * sim-watch.c (watch_options): Make --delete-watch a synonym for
  23         --watch-delete.
  24
  25         * sim-config.h (WITH_MODULO_MEMORY): Define as 0.  Update
  26         comments.
  27
  28         * sim-core.h (struct _sim_core_mapping): Change nr_bytes to type
  29         address_word, add mask member.
  30
  31         * sim-core.h, sim-core.c (sim_core_attach): Make nr_bytes of type
  32         address_word, allow for 64bit targets in 32bit host. Add modulo
  33         argument.
  34         (sim_core_map_attach): Ditto.
  35         (new_sim_core_mapping): Ditto.
  36         (sim_core_translate): Mask address when modulo memory.
  37
  38 Wed Sep  3 17:32:54 1997  Doug Evans  <dje@seba.cygnus.com>
  39
  40         * sim-hload.c (sim_load): Add assert for SIM_MAGIC_NUMBER.
  41
  42         * gdbinit.in: New file.
  43         * aclocal.m4 (SIM_AC_OUTPUT): Build .gdbinit.
  44         * Make-common.in (distclean): Delete .gdbinit.
  45         (.gdbinit): Add rule for.
  46         * configure: Regenerated to track ../common/aclocal.m4 changes.
  47
  48         * Make-common.in (cgen-run.o): Add rule for.
  49
  50 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  51
  52         * sim-resume.c (sim_resume): Suspend/resume the simulator.
  53
  54         * sim-events.c (sim_watch_valid): Compute total elapsed time from
  55         both resumed and previous elapsed time.
  56         (sim_events_init): Set initial_wallclock and current_wallclock to
  57         zero.
  58         (sim_events_install): Install sim_events_suspend and
  59         sim_events_resume.
  60         (sim_events_watch_clock): Allow for suspended simulator when
  61         computing the time of the clock event.
  62
  63         * sim-events.h (struct _sim_event): Add resume_wallclock, rename
  64         initial_wallclock to elapsed_wallclock, set both to zero.
  65         (sim_events_init, sim_events_uninstall): Delete prototypes.
  66
  67         * sim-module.h (MODULE_SUSPEND_FN, MODULE_RESUME_FN): Define types.
  68
  69         * sim-module.c(sim_module_resume, sim_module_suspend): New
  70         functions.
  71
  72 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  73
  74         * sim-core.c (sim_core_map_attach): Clarify memory overlap error
  75         message.
  76
  77 Tue Sep  2 14:57:06 1997  Doug Evans  <dje@canuck.cygnus.com>
  78
  79         * Makefile.in (TAGS): Add support for "/* TAGS: foo */" marker.
  80         * Make-common.in (TAGS): Likewise.
  81         * sim-n-bits.h: Add TAGS comments for all functions.
  82         * sim-n-core.h: Likewise.
  83         * sim-n-endian.h: Likewise.
  84
  85 Mon Sep  1 10:50:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  86
  87         * sim-utils.c (sim_state_alloc): Set CPU backlinks, callback and
  88         kind.
  89
  90         * sim-base.h (sim_state_alloc): Add callback and kind arguments.
  91
  92         * sim-base.h (INVALID_INSTRUCTION_ADDRESS): Add default
  93         definition.
  94
  95 Sat Aug 30 09:47:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  96
  97         * sim-fpu.c (DP_GARDMSB, ...): Make unsigned.
  98         (DP_FRACHIGH, DP_FRACHIGH2, ..): Use MSMASK to avoid LL.
  99
 100 Fri Aug 29 13:37:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 101
 102         * sim-core.c (sim_core_map_attach): Cast attach enum to int.
 103         (sim_core_xor_read_buffer, sim_core_xor_write_buffer): Make
 104         nr_transfered and nr_this_transfer unsigned.
 105
 106         * sim-events.c (sim_events_tickn): N is signed, as limited to
 107         MAXINT.
 108
 109         * sim-n-endian.h (offset_N): Change size to unsigned.
 110
 111         * callback.c (os_poll_quit): Add prototypes for kbhit and getkey.
 112
 113 Fri Aug 29 10:10:53 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 114
 115         * sim-utils.c (sim_copy_argv): Delete, replaced by dupargv.
 116
 117         * sim-options.c (sim_parse_args): Use dupargv.
 118
 119 Thu Aug 28 10:36:34 1997  Doug Evans  <dje@canuck.cygnus.com>
 120
 121         * sim-options.c (standard_option_handler): Use xstrdup, not strdup.
 122
 123 Thu Aug 28 12:09:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 124
 125         * sim-base.h (STATE_ARCHITECTURE, STATE_TARGET): Add to simulator
 126         base type.
 127
 128         * sim-options.c (standard_options): Add --architecture=MACHINE and
 129         --target=TARGET options.
 130         (OPTION_ARCHITECTURE, OPTION_TARGET): Define.
 131         (standard_option_handler): Handle architecture and target options.
 132         (bfd.h): Include.
 133
 134         * sim-utils.c (sim_analyze_program): Pass STATE_TARGET to
 135         bfd_openr.
 136         (sim_analyze_program): Set prog_bfd architecture from
 137         STATE_ARCHITECTURE if known.
 138
 139 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 140
 141         * configure: Regenerated to track ../common/aclocal.m4 changes.
 142         * config.in: Ditto.
 143
 144 Wed Aug 27 18:11:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 145
 146         * aclocal.m4 (enable-sim-warnings): Remove comment stating
 147         that option does not apply to certain files.
 148
 149 Wed Aug 27 15:13:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 150
 151         * sim-bits.h (LSBIT8, LSBIT16, LSBIT32, LSBIT64, LSBIT, MSBIT8,
 152         MSBIT16, MSBIT32, MSBIT64, MSBIT): New macros - single bit as
 153         offset from MSB/LSB.
 154
 155         * sim-endian.h (A1_8, A2_8, A4_8, A1_4, A2_4, A1_2): New macro,
 156         access address of sub word quantity of a hosts 16, 32, 64 bit word
 157         type.
 158         (V1_2, V1_4, V2_4, V1_8, V2_8, V4_8): Ditto for values.
 159         (U8_1, U8_2, U8_4, U4_1, U4_2, U2_1): Ditto for set of values.
 160         (V2_H1, V2_L1, V4_H2, V4_L2, V8_L4, V8_H4): Given N byte argument,
 161         return N*2 byte value with argument in Hi/Lo word.  Renamed from
 162         V1_H2, V1_L2, V2_H4, V2_L4, V4_H8, V4_L8.
 163
 164         * sim-alu.h (ALU32_HAD_OVERFLOW): Use 64 bit mask not 32bit.
 165         (ALU16_HAD_CARRY, ALU32_HAD_CARRY, ALU16_HAD_OVERFLOW): Use MSBIT
 166         so that bit offset is explicit.
 167
 168 Wed Aug 27 11:55:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 169
 170         * sim-utils.c (sim_analyze_program): Add prog_name argument.
 171         Update STATE_PROG_BFD when needed with a dup'd copy of the
 172         program.
 173
 174         * sim-config.c (sim_config): Delete ABFD argument, use
 175         STATE_PROG_BFD directly.
 176
 177 Tue Aug 26 12:55:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 178
 179         * run.c (main): Pass the open ABFD to sim_create_inferior.
 180
 181         * nrun.c (main): Determine prog_bfd.  Pass to sim_create_inferior
 182         and sim_load.
 183         (bfd.h): Include.
 184
 185         * sim-hload.c (sim_load): New file. Implement generic sim_load for
 186         hardware only simulator targets.
 187
 188         * Make-common.in (sim-hload.o): Add rule.
 189
 190 Wed Aug 27 09:51:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 191
 192         * sim-utils.c (sim_copy_argv): Rewrite to match malloc strategy
 193         used by copyargv and freeargv.
 194
 195         * sim-options.c (sim_parse_args): Save a copy of PROG-ARGS in
 196         STATE_PROG_ARGV, not just a pointer.
 197
 198 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 199
 200         * configure: Regenerated to track ../common/aclocal.m4 changes.
 201         * config.in: Ditto.
 202
 203 Mon Aug 25 12:11:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 204
 205         * aclocal.m4 (sim-endian): Add second argument to
 206         SIM_AC_OPTION_ENDIAN.  First is hardwired endian, second is
 207         default endian when not hardwired.
 208
 209         * sim-config.h (WITH_DEFAULT_TARGET_BYTE_ORDER): New macro, if all
 210         else failes value for target byte order.
 211
 212         * sim-config.c (sim_config): Add abfd arguments. Set
 213         STATE_PROG_BFD accordingly.  Determine prefered_target_byte_order
 214         from same.
 215         (sim_config): Return SIM_RC, don't abort.
 216         (bfd.h): Include.
 217
 218         * run.c (main): Update call to sim_open - add ABFD argument.
 219         * nrun.c (main): Add NULL ABFD argument.
 220
 221 Thu Aug 14 12:48:57 1997  Doug Evans  <dje@canuck.cygnus.com>
 222
 223         * callback.c (os_poll_quit): Make static.
 224         Call sim_cb_eprintf, not p->eprintf.
 225         (sim_cb_printf, sim_cb_eprintf): New functions.
 226         * sim-utils.h (sim_cb_printf, sim_cb_eprintf): Declare.
 227
 228         * sim-basics.h (zalloc,zfree,sim_add_commas,SIM_ELAPSED_TIME,
 229         sim_elapsed_time_get,sim_elapsed_time_since): Move decls to
 230         sim-utils.h. #include sim-utils.h.
 231         * sim-utils.h: Above decls moved here.
 232         (sim_analyze_program,sim_load_file): Use `struct _bfd', not `bfd'.
 233
 234         * sim-watch.c (action_watchpoint): Fix thinkos.
 235
 236 Thu Jul 24 08:48:05 1997  Stu Grossman  (grossman@critters.cygnus.com)
 237
 238         * sim-types.h:  Fix defs of 64 bit data types for MSVC.
 239
 240 Tue Jul 22 10:35:37 1997  Doug Evans  <dje@canuck.cygnus.com>
 241
 242         * sim-n-core.h (sim_core_write_unaligned_N): Add missing break
 243         to FORCED_ALIGNMENT case.
 244
 245 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 246
 247         * callback.c (target_to_host_open): Handle hosts with O_BINARY.
 248
 249 Thu Jun  5 08:47:10 1997  Jeffrey A Law  (law@cygnus.com)
 250
 251         * Make-common.in (libsim.a): Fix typo.
 252
 253 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 254
 255         * nrun.c (main): Verify the structure returned before using it.
 256
 257 Wed Jun  4 11:44:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 258
 259         * sim-config.h (WITH_ENGINE): Enable the sim-engine module by
 260         default.
 261
 262         * sim-engine.c (sim_engine_install): New function.  Install the
 263         engine init functions.
 264         (sim_engine_init): [Re]initialize the simulator engine.
 265
 266         * sim-module.c: Add sim_engine to list of modules that always
 267         install.
 268
 269 Tue Jun  3 04:52:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 270
 271         * sim-watch.c (schedule_watchpoint): Use sim_unschedule_watchpoint
 272         to remove the old watchpoint, not delete_watchpoint.
 273         (watch_option_handler): Action the correct watchpoint, not just
 274         cycles.
 275
 276 Wed May 28 14:47:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 277
 278         * sim-n-core.h (sim_core_write_aligned_N): For 8byte reads, output
 279         both low and high word.
 280         (sim_core_write_aligned_N): Ditto.
 281
 282         * sim-trace.c (set_trace_options): Delete code explicitly setting
 283         core->trace.
 284
 285         * sim-options.c (sim_print_help): Call the list commands if not a
 286         standalone simulator.
 287         (sim_print_help): Advise that some options may not be applicable.
 288
 289         * sim-trace.c (set_trace_options): Assume core present.
 290
 291         * sim-events.c (sim_events_schedule_after_signal): Overflow signal
 292         buffer when full not almost full.
 293
 294 Tue May 27 14:32:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 295
 296         * sim-events.c (sim_events_process): Don't blat the event queue
 297         when processing watchpoints.
 298
 299         * sim-watch.h: Make arg unsigned long - stop sign extension.
 300
 301         * sim-events.c (sim_watch_valid): rewrite so debugable.
 302
 303         * sim-config.h (WITH_XOR_ENDIAN): Default to zero.
 304
 305         * sim-watch.c (schedule_watchpoint): Add is_within option so that
 306         inequality test is possible.
 307         (handle_watchpoint): Re-pass is_within arg.
 308         (watch_option_handler): When `!' prefix to pc-watchpoint arg pass
 309         0 to schedule_watchpoint's is_within arg.
 310         (sim_watchpoint_init): Re-pass is_within arg.
 311
 312         * sim-options.c (sim_print_help): Add is_command argument.  Don't
 313         include -- prefix when called from the command line interpreter.
 314
 315         * sim-watch.c (schedule_watchpoint): Pass true is_within argument.
 316
 317         * sim-events.c (sim_events_watch_sim): Add is_within argument,
 318         zero indicates that the test should be reversed.
 319         (sim_events_watch_core): Ditto.
 320         (WATCH_CORE): Compare range against is_within.
 321         (WATCH_SIM): Ditto.
 322
 323 Tue May 27 12:48:03 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 324
 325         * sim-events.c (WATCH_CORE): Pass NULL cpu argument to
 326         sim_core_read_buffer.  Check nr-bytes transfered.
 327
 328         * sim-core.h (sim_core_common): Define a new struct that contains
 329         the common data.  to sd and cpu structures.
 330         * sim-core.c (sim_core_attach): Update.
 331         (sim_core_init): Update. Remember to copy initialized data to each
 332         cpu.
 333         (sim_core_find_mapping): Ditto.
 334
 335         * sim-core.c (sim_core_read_buffer): Add cpu argument.
 336         (sim_core_write_buffer): Ditto.
 337
 338         * sim-n-core.h (sim_core_read_unaligned_N): When mis-aligned
 339         transfer use xor version of read buffer.
 340         (sim_core_write_unaligned_N): Ditto for write.
 341
 342         * sim-core.c (sim_core_xor_read_buffer): New function implement
 343         xor-endian data read breaking transfer up into xor-endian sized
 344         blocks.
 345         (sim_core_xor_write_buffer): Ditto for write.
 346         (reverse_n): Reverse order of arbitrary number of bytes in buffer
 347         - needed for xor-endian transfers.
 348
 349 Fri May 23 14:24:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 350
 351         * sim-inline.h: Review description.
 352
 353         * sim-core.h, sim-core.c: Reduce number of functions being inlined
 354         to just those involved in data transfers and configuration.
 355
 356         * sim-xcat.h (XSTRING): New macro, map macro definition onto
 357         string.
 358         * sim-n-core.h (sim_core_read_aligned_N): Use.
 359         (sim_core_read_unaligned_N): Ditto.
 360         (sim_core_read_unaligned_N): Ditto..
 361         (sim_core_write_unaligned_N): Ditto.
 362
 363         * sim-core.h: Add xor endian bitmap to main structure.  *
 364
 365         sim-n-core.h (sim_core_write_aligned_N): Add suport for xor
 366         endian.
 367         (sim_core_read_aligned_N): Ditto.
 368
 369         * sim-core.c (sim_core_set_xor_endian): New function.
 370         (sim_core_attach): Don't overwrite the per-cpu xor map when
 371         cloning the global core.
 372
 373 Fri May 23 10:53:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 374
 375         * sim-engine.h: Update below so that it is using an enumerated
 376         type.
 377
 378 Thu May 22 09:12:16 1997  Gavin Koch  <gavin@cygnus.com>
 379
 380         * sim-engine.c (sim_engine_restart):
 381         * sim-resume.c (sim_resume): Change longjmp param/setjmp
 382         return value used for simulator restart from 0 to 2.
 383
 384 Wed May 21 08:47:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 385
 386         * cgen-scache.c (scache_option_handler): Add is_command arg.
 387
 388         * sim-model.c (model_option_handler): Add is_command argument.
 389
 390         * sim-profile.c (profile_option_handler): Add is_command arg.
 391
 392         * sim-events.c (sim_watch_valid): Use ub64, lb64 when 64bit value
 393         involved.
 394
 395         * sim-module.c (sim_module_add_init_fn): Call init fn in the same
 396         order that they are registered.
 397
 398         * sim-options.h (OPTION_HANDLER): Add argument to differentiate
 399         between option and command line processing.
 400
 401         * sim-options.c: Include stdlib.h, ctype.h.
 402
 403         * Make-common.in (sim-watch.o): Add rule.
 404         (sim_main_headers): Assume sim-assert.h included.
 405         (sim-*.o): Simplify make rule.
 406
 407         * sim-module.c: Add sim_watch_install to module list.
 408
 409 Tue May 20 14:15:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 410
 411         * sim-base.h (STATE_LOADED_P): New predicate. Set once everything
 412         has been loaded.
 413
 414         * sim-trace.c (trace_install): Check magic. Include sim-assert.h.
 415         * sim-events.c (sim_events_install): Ditto.
 416         * sim-core.c (sim_core_install): Ditto.
 417         * sim-model.c (model_install): Ditto.
 418         * sim-options.c (standard_install): Ditto.
 419         * sim-profile.c (profile_install): Ditto.
 420         * sim-reason.c (sim_stop_reason): Ditto.
 421         * sim-run.c (sim_engine_run): Ditto.
 422         * sim-utils.c (sim_analyze_program): Ditto.
 423
 424         * sim-module.c (modules): Make profile_install and trace_install
 425         optional.
 426
 427         * sim-base.h (STATE_MEM_BASE): Define for flat memory systems.
 428
 429         * sim-options.c (standard_option_handler): Set the byte order.
 430
 431         * sim-events.c (sim_events_process): Allow multi tick processing.
 432         (sim_events_tickn): New function - multi cycle tick.
 433
 434         * sim-events.h (sim_events_tickn, sim_events_timewarp): Add
 435         prototypes.  Under development.
 436         (sim_events): Replace processing with nr_ticks_to_process.
 437
 438 Tue May 20 09:39:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 439
 440         * nrun.c (main): Pass callbacks to sim_open instead of using
 441         sim_set_callbacks.
 442
 443         * run.c (main): Ditto.
 444
 445 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 446
 447         * sim-events.c (sim_events_zalloc): Signal save memory allocator -
 448         stop tk interrupting malloc calls.
 449         (sim_events_zalloc): Converse.
 450
 451         * Make-common.in (sim_main_headers): Add sim-events.h.
 452
 453         * sim-events.c (sim_events_schedule_after_signal): Change return
 454         type to void - signal events are strictly internal.
 455         (sim_events_init): Allocate a finite buffer for signal events.
 456         (sim_events_schedule_after_signal): Enter signal events into the
 457         signal buffer.
 458
 459         * sim-engine.c (sim_engine_halt): Check SIM_DESC magic.
 460         (sim_engine_restart): Ditto.
 461         (sim_engine_abort): Ditto.
 462         * sim-stop.c (sim_stop): Ditto.
 463         (control_c_simulation): Ditto.
 464         * sim-resume.c (sim_resume): Ditto.
 465         (has_stepped): Ditto.
 466         * sim-abort.c (sim_engine_abort): Ditto.
 467
 468         * sim-basics.h (transfer_type): New type.
 469
 470         * sim-core.c (sim_core_signal): New function. Print core signal
 471         information.
 472         (sim_core_find_mapping): Add transfer argument.
 473
 474         * sim-n-core.h (sim_core_{write,write}_unaligned_N): Call
 475         SIM_CORE_SIGNAL if a recoverable abort.
 476         * sim-core.c (sim_core_find_mapping): Ditto.
 477
 478 Fri May 16 15:13:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 479
 480         * sim-core.c (sim_core_find_mapping): Replace calls to
 481         sim_io_error to more resiliant sim_engine_abort.
 482
 483         * sim-n-core.h (sim_core_read_unaligned_N): Ditto.
 484         (sim_core_write_unaligned_N): Ditto.
 485
 486 Tue May 13 13:50:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 487
 488         * sim-module.c: Add sim_events_install to list.
 489
 490         * sim-events.c (sim_events_install, sim_events_uninstall): Clonse
 491         from sim_core_*.
 492         (sim_events_init): Now returns SIG_RC.
 493
 494         * sim-run.c: New file. Generic sim_engine_run.
 495         * sim-reason.c: New file. Generic sim_stop_reason.
 496         * sim-stop.c: New file. Generic sim_stop.
 497         * sim-resume.c: New file. Generic sim_resume.
 498
 499         * Make-common.in (sim-engine.o): Add rule.
 500         (sim-run.o, sim-reason.o, sim-stop.o, sim-resume.o): Ditto.
 501
 502         * sim-engine.h, sim-engine.c: New file. Provide generic
 503         implementation of sim_engine_halt, sim_engine_error. et.al.
 504
 505         * sim-base.h (sim_state_base): Add member halt.
 506         (sim-engine.h): Include.
 507
 508         * sim-events.h (sim_event_handler): Always pass SIM_DESC to event
 509         handlers.
 510         * sim-events.c (sim_events_poll): Update event handler.
 511
 512 Tue May 13 09:57:49 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 513
 514         * sim-events.h, sim-events.c (sim_events_watch_clock): New
 515         function.
 516         (sim_events_watch_sim): New function.
 517         (sim_events_watch_core): New function.
 518         (sim_watch_valid): New function.
 519         (sim_events_preprocess): New function.
 520         (sim_events_process): Process the watchpoints as well as the timer
 521         queue.
 522         (sim_events_tick): Check WORK_PENDING instead of the hold queue.
 523         (sim_events_deschedule): Check all the queues when removing an
 524         event.
 525         (sim_events_init): Ditto for cleaning.
 526
 527 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 528
 529         * sim-fpu.c (is_ufpu_number): Comment out - currently unused.
 530
 531 Mon May 19 11:23:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 532
 533         * callback.c (os_open): Type of arg flags is int.
 534
 535 Fri May 16 22:26:43 1997  Michael Meissner  <meissner@cygnus.com>
 536
 537         * sim-fpu.c (sim_fpu_is_{eq,ne,lt,le,gt,ge}): Compare Infinities
 538         just like normal numbers as per IEEE rules.
 539
 540 Wed May 14 21:20:38 1997  Bob Manson  <manson@charmed.cygnus.com>
 541
 542         * callback.c (os_close): Mark the descriptor as being
 543         available if the close succeeded.
 544         (os_open): Pass 0644 as the mode of the file being created.
 545
 546 Thu May 15 10:58:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 547
 548         * sim-fpu.c (pack_fpu, unpack_fpu): New functions - decode a
 549         float.
 550
 551         * sim-inline.c (SIM_INLINE_C): Rename from _SIM_INLINE_C_.
 552         * sim-lnline.h: Update.
 553
 554         * sim-fpu.h, sim-fpu.c (sim_fpu_[iu]{32,64}to): New int2fp
 555         conversion functions.
 556         (sim_fpu_to{32,64}[iu]): New fp2int functions.
 557
 558         * sim-fpu.h, sim-fpu.c (sim_fpu_is_{lt,le,eq,ne,ge,gt}): New fp
 559         compare functions.  Replacing.
 560         (sim_fpu_cmp): This. Delete.
 561
 562 Mon May 12 14:49:05 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 563
 564         * sim-core.c (sim_core_find_mapping): Call engine_error not
 565         sim_io_error when possible.
 566
 567 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 568
 569         * sim-endian.h (V1_H2): Add macro's to insert a word into a
 570         high/low double word.
 571
 572         * sim-trace.h: Remove definition of attribute - defined in
 573         sim_basics.h.
 574
 575 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 576
 577         * sim-options.h (struct OPTION): Add doc_opt as the documenting
 578         name of the option - or family of options.
 579
 580         * sim-options.c (sim_args_command): Match command `a-b c' with
 581         option `--a-b-c' from option table.
 582
 583 Thu May  8 12:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 584
 585         * sim-options.c (sim_print_help): For optional arguments, wrap
 586         them in [].
 587
 588         * sim-trace.c (set_trace_options): New function, handle optional
 589         argument and multiple assignment.
 590         (trace_option_handler): Update.
 591
 592         * sim-trace.c (trace_option_handler): Trace branch and not fpu
 593         when branch tracing selected.
 594
 595 Wed May  7 15:19:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 596
 597         * sim-trace.c (trace_one_insn): Make a va-args function.
 598
 599         * sim-trace.c (trace_vprintf): New function, va-arg version of
 600         trace_printf.
 601
 602 Tue May  6 16:38:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 603
 604         * sim-trace.c (trace_uninstall): Don't close a file twice.
 605         * sim-profile.c (profile_uninstall): Likewise.
 606
 607 Tue May  6 06:14:01 1997  Mike Meissner  <meissner@cygnus.com>
 608
 609         * sim-trace.c (toplevel): Include bfd.h.
 610         (trace_options): Note that --trace-linenum also turns on
 611         --trace-insn.  Add --trace-{branch,semantics}.
 612         (trace_option_handler): If --trace-linenum, also turn on
 613         --trace-insn.  Add --trace-branch support.  If --trace-semantics,
 614         turn on ALU, FPU, branch, and memory tracing.
 615         (trace_one_insn): New function to trace an instruction.  Support
 616         --trace-linenum.
 617         (OPTION_TRACE_*): Use an enum, rather than lots of defines.
 618
 619         * sim-trace.h (TRACE_{SEMANTICS,BRANCH}_IDX): Add new macros.
 620         (MAX_TRACE_VALUES): Use 32, not 12 by default.
 621         (TRACE_branch): Add new mask.
 622         (TRACE_*_P): Define all possible trace_p macros.
 623         (trace_one_insn): Declare function.
 624
 625 Mon May  5 14:08:34 1997  Mike Meissner  <meissner@cygnus.com>
 626
 627         * sim-trace.h (__attribute__): Define as nothing if not GNU C or
 628         GNU C doesn't support __attributes__.
 629         ({trace,debug}_printf): Add attribute's so -Wformat can check the
 630         format strings.
 631
 632 Mon May  5 11:16:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 633
 634         * sim-config.h (FORCED_ALIGNMENT): New alignment option -
 635         addresses are masked forcing them to be correctly aligned.
 636         (WITH_ALIGNMENT): Make NONSTRICT_ALIGNMENT the default.
 637         * sim-config.c (config_alignment_to_a): Update.
 638
 639         * sim-core.h (sim_cpu_core): New data type contains cpu specific
 640         core data.
 641         * sim-base.h (CPU_CORE): Add cpu specific core data to cpu base
 642         type.
 643         * sim-core.c (sim_core_attach): Add CPU argument.  Ready for
 644         processor specific core maps.
 645         (sim_core_map_attach): Copy the core map data to each of the
 646         processor specific core data structures.
 647         * sim-core.c (sim_core_find_mapping): Update.
 648
 649         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Rename.
 650         (sim_core_write_aligned_N, sim_core_write_aligned_N): New names.
 651         (sim_core_write_unaligned_N, sim_core_write_unaligned_N): New
 652         alternatives that handle unaligned addresses.
 653         (sim_core_{read,write}_{,un}aligned_N): Drop SIM_DESC arg, replace
 654         with just CPU arg.
 655         * cgen-utils.c (sim_disassemble_insn): Update.
 656
 657 Mon May  5 13:19:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 658
 659         * sim-trace.h (TRACE_FPU_IDX): Add Floating-point specific
 660         tracing.
 661
 662         * sim-fpu.h, sim-fpu.c: New files - prototype for generic target
 663         fpu support.
 664
 665         * sim-inline.h, sim-inline.c: Add support for SIM_FPU.
 666
 667 Fri May  2 17:59:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 668
 669         * sim-core.c (sim_core_map_to_str): New function ascii equivalent
 670         to map type.
 671
 672         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Use in trace
 673         statement.
 674
 675 Fri May  2 17:28:02 1997  Andrew Cagney  <cagney@b2.cygnus.com>
 676
 677         * cgen-trace.c: Prepend additional trace_printf argument.
 678
 679         * cgen-utils.c (sim_disassemble_insn): Add additional core
 680         arguments.
 681
 682 Fri May  2 11:40:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 683
 684         * nrun.c (main): Catch/report errorenous simulator states.
 685
 686         * sim-module.c: #include "libiberty.h" so that xmalloc is defined.
 687         * sim-trace.c: #include string.h/strings.h so that memset is
 688         defined.
 689         * sim-utils.c: Ditto.
 690         * sim-profile.c: Ditto. And stdlib.h.
 691         (print_bar): Only define when used by instruction or memory profiler.
 692
 693         * sim-options.c (standard_option_handler): Make ul more local.
 694
 695         * sim-load.c (sim_load_file): Make the name constant.
 696         (sim_load_file): Passify gcc.
 697
 698         * sim-utils.h: New file, pre-declare utilites in corresponding .c
 699         file.
 700         * sim-utils.c, sim-load.c: Include sim-utils.h.
 701
 702         * sim-base.h (sim_cpu): Pre define here so available to all.
 703
 704         * sim-core.h (DECLARE_SIM_CORE_WRITE_N, DECLARE_SIM_CORE_READ_N):
 705         Restore the sim_cpu and instruction_address arguments so that full
 706         information is available to the abort function.
 707         * sim-core.c (sim_core_find_mapping, sim_core_write_buffer): Ditto.
 708         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
 709
 710         * sim-trace.h, sim-trace.c (trace_option_handler): Add interim
 711         tracing support for sim-events and sim-core.
 712         (trace_option_handler): Convert #if to if where possible so always
 713         compiled/checked by C compiler.
 714         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
 715
 716         * sim-base.h: Adjust comment documenting how to define the cpu
 717         structure.
 718         (sim_state_base): Add sim_core and sim_events to simulator base
 719         object.
 720
 721         * sim-trace.h, sim-trace.c (trace_printf): Add SIM_DESC argument.
 722         * sim-core.c (sim_core_init, sim_core_attach,
 723         sim_core_find_mapping): Update.
 724         * sim-events.c (ETRACE, sim_events_init, sim_events_time,
 725         update_time_from_event, insert_sim_event,
 726         sim_events_schedule_after_signal, sim_events_deschedule,
 727         sim_events_tick): Ditto.
 728
 729         * sim-basics.h (sim-module.h, sim-trace.h, sim-profile.h,
 730         sim-model.h): Move #includes from here.
 731         * sim-base.h: To here.
 732         (sim-core.h, sim-events.h, sim-io.h): Include also
 733
 734 Wed Apr 30 15:37:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 735
 736         * callback.c (default_callback): Missing initialisers.
 737
 738 Thu May  1 10:40:47 1997  Doug Evans  <dje@canuck.cygnus.com>
 739
 740         * sim-utils.c (sim_add_commas): New function.
 741         * sim-basics.h (sim_add_commas): Add prototype.
 742         * cgen-scache.c (scache_print_profile): Print commas in numbers.
 743         * sim-profile.c (COMMAS): New macro.
 744         (print_*): Use it to print commas in numbers.
 745
 746         * configure: Regenerated.
 747
 748         * cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
 749         (cgen_state): New member run_fast_p.
 750         (cgen_init): Add prototype.
 751         (sim_disassemble_insn): New arg `cpu'.
 752         * cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
 753         * cgen-utils.c (cgen_init): New function.
 754         (sim_disassemble_insn): New arg `cpu'.  Rewrite fetching of insn.
 755         * genmloop.sh: Call engine_halt if loop exits.
 756
 757         * Makefile.in (sim-options_h): Define.
 758         (sim-{module,options,trace,profile,utils}.o): Clean up dependencies.
 759         (sim-model.o): Add new rule.
 760         (cgen-{scache,trace,utils}.o): Add new rules.
 761         * aclocal.m4 (SIM_AC_OPTION_{SCACHE,DEFAULT_MODEL}): Add.
 762         * cgen-scache.c (scache_print_profile): Change `sd' arg to `cpu'.
 763         Indent output by 2 spaces.
 764         * cgen-scache.h (scache_print_profile): Update.
 765         * cgen-trace.c (trace_insn_fini): Indent output by 2 spaces.
 766         Use trace_printf, not fprintf.
 767         (trace_extract): Use trace_printf, not cgen_trace_printf.
 768         * genmloop.sh (!FAST case): Increment `insn_count'.
 769         * sim-base.h (sim_state_base): Only include scache_size if WITH_SCACHE.
 770         (sim_cpu_base): Rename member `sd' to `state' to be consistent with
 771         access macro's name.
 772         * sim-core.c (sim_core_init): Use EXTERN_SIM_CORE to define it.
 773         Change return type to SIM_RC.
 774         (sim_core_{install,uninstall}): New functions.
 775         * sim-core.h (sim_core_{install,uninstall}): Declare.
 776         (sim_core_init): Use EXTERN_SIM_CORE to define it.
 777         Change return type to SIM_RC.
 778         * sim-model.h (models,machs,model_install): Declare.
 779         * sim-module.c (modules): Add scache_install, model_install.
 780         (sim_post_argv_init): Set cpu->state backlinks.
 781         * sim-options.c (standard_options): Delete --simcache-size,--max-insns.
 782         (standard_option_handler): Likewise.
 783         * sim-profile.c (PROFILE_{HISTOGRAM,LABEL}_WIDTH): Move to
 784         sim-profile.h.
 785         (*): Assume ANSI C.
 786         (profile_options): Delete --profile-simcache.
 787         (profile_option_handler): Likewise.
 788         (profile_print_insn): Change `sd' arg to `cpu'.  Indent output 2
 789         spaces.
 790         (profile_print_{memory,model}): Likewise.
 791         (profile_print_simcache): Delete.
 792         (profile_print_speed): New function.
 793         (profile_print): Rewrite.
 794         * sim-profile.h (PROFILE_scache): Renamed from PROFILE_simcache.
 795         (WITH_PROFILE_SCACHE_P): Renamed from WITH_PROFILE_SIMCACHE_P.
 796         (PROFILE_DATA): Delete members simcache_{hits,misses}.
 797         (PROFILE_COUNT_SIMCACHE_{HIT,MISS}): Delete.
 798         (PROFILE_{CALLBACK,CPU_CALLBACK}): New types.
 799         (profile_print): Update prototype.
 800
 801 Wed Apr 30 11:34:14 1997  Doug Evans  <dje@canuck.cygnus.com>
 802
 803         * cgen-scache.[ch], cgen-sim.h: New files.
 804         * cgen-trace.[ch], cgen-types.h, cgen-utils.c, genmloop.sh: New files.
 805         * sim-model.c: New file.
 806
 807         * Make-common.in (clean targets): Undo patch of Apr. 22.
 808
 809 Fri Apr 25 15:28:32 1997  Mike Meissner  <meissner@cygnus.com>
 810
 811         * sim-n-bits.h (signed): If we have a standard compiler, undef
 812         signed, so that signedN is defined correctly.
 813
 814 Thu Apr 24 00:00:07 1997  Doug Evans  <dje@canuck.cygnus.com>
 815
 816         * sim-module.h, sim-model.h, sim-profile.h: New files.
 817         * sim-module.c, sim-profile.c: New files.
 818         * Make-common.in (SIM_PROFILE): Define
 819         (CONFIG_CFLAGS): Add $(SIM_PROFILE).
 820         (sim_main_headers): Add sim-module.h, sim-model.h, sim-profile.h.
 821         (sim_module.o,sim-profile.o): Add rules for.
 822         * aclocal.m4 (--enable-sim-trace): Allow symbolic arguments.
 823         (--enable-sim-profile): Add.
 824         * configure: Regenerated.
 825         * sim-base.h (sim_state_base): New members init_list, uninstall_list,
 826         model.  Move trace and profile support to sim-{trace,profile}.h.
 827         New members trace_data, profile_data.
 828         * sim-basics.h: #include sim-module.h, sim-model.h, sim-profile.h.
 829         * sim-config.h: Provide default definition of WITH_PROFILE.
 830         (WITH_TRACE): Change default to -1.
 831         (MAX_NR_PROCESSORS): Always define.
 832         * sim-options.c: Move trace and profile support to
 833         sim-{trace,profile}.h.
 834         (sim_pre_argv_init): Moved to sim-model.c.
 835         (standard_install): New function.
 836         * sim-options.h (sim_pre_argv_init): Move decl to sim-model.c.
 837         (standard_install): Declare.
 838         * sim-trace.c: Tracing option handling moved here from sim-options.c.
 839         (trace_install, trace_uninstall): New functions.
 840         (trace_printf): Update reference to TRACE_FILE.
 841         * sim-trace.h (TRACE_FOO_IDX): Moved here from sim-base.h.
 842         (TRACE_foo): Bit masks for symbolic arguments to --enable-sim-trace.
 843         (WITH_TRACE_FOO_P): Define.
 844         (trace_install): Declare.
 845         (TRACE_DATA): New struct.
 846
 847 Wed Apr 23 17:23:15 1997  Doug Evans  <dje@canuck.cygnus.com>
 848
 849         * run.c: Undo last exec_bfd patch.
 850         (main): Only pass -E ifdef SIM_HAVE_BIENDIAN.
 851
 852 Wed Apr 23 17:54:27 1997  Mike Meissner  <meissner@cygnus.com>
 853
 854         * run.c (exec_bfd): Add back in.
 855         (main): Set exec_bfd.
 856
 857 Tue Apr 22 14:43:46 1997  Doug Evans  <dje@canuck.cygnus.com>
 858
 859         * sim-load.c (sim_load_file): #include <stdio.h> for NULL.
 860
 861 Wed Apr 23 02:55:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 862
 863         * sim-events.c (insert_sim_event): Call sim_io_error instead of
 864         less well defined engine_error.
 865         * sim-core.c: Ditto.
 866
 867 Tue Apr 22 08:48:16 1997  Stu Grossman  (grossman@critters.cygnus.com)
 868
 869         * Make-common.in:  Change clean targets to use :: so that other
 870         Makefiles can have their own clean targets.
 871         * sim-load.c (xprintf eprintf):  Use ANSI_PROTOTYPES instead of
 872         __STDC__ to control use of stdarg vs. varargs syntax.  Some
 873         systems can't use __STDC__, but require stdarg.
 874
 875 Fri Apr 18 11:14:43 1997  Doug Evans  <dje@canuck.cygnus.com>
 876
 877         * sim-options.c (standard_options): Add --endian.
 878         (standard_option_handler): Likewise.
 879
 880         * nrun.c: #include <signal.h>.
 881         (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
 882         handler that calls sim_stop ().
 883
 884 Fri Apr 18 13:11:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 885
 886         * run.c (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
 887         handler that calls sim_stop ().  Simulators may still be
 888         establishing their own handler.
 889
 890         * sim-events.c (sim_events_poll): Rename from
 891         sim_events_at_large_int.  Poll IO.
 892
 893         * sim-io.c (sim_io_poll_quit): New function - pass on a polling
 894         request.
 895
 896         * callback.c (os_poll_quit): New function poll for quit signal
 897         where needed.
 898         (default_callback): Include magic number.
 899
 900 Thu Apr 17 02:25:11 1997  Doug Evans  <dje@canuck.cygnus.com>
 901
 902         * aclocal.m4: Check for headers time.h, sys/time.h, sys/resource.h.
 903         Check for functions getrusage, time.
 904         * sim-basics.h (SIM_ELAPSED_TIME): New typedef.
 905         (sim_elapsed_time_get, sim_elapsed_time_since): Add prototypes.
 906         * sim-utils.c: #include time.h, sys/time.h, sys/resource.h if able.
 907         (sim_elapsed_time_get, sim_elapsed_time_since): New functions.
 908
 909         * sim-utils.c (sim_copy_argv, sim_analyze_program): New functions.
 910
 911         * sim-options.c, sim-options.h: New files.
 912         * sim-config.h (WITH_DEBUG): Provide default value of zero.
 913         * Make-common.in (nrun.o): Add rules for.
 914         * nrun.c: New file.
 915
 916         * run.c (main): Check return value of sim_open.
 917
 918         * Make-common.in (sim-options.o, sim-load.o, sim-trace.o): Add rules.
 919         (sim_main_headers): Add sim-trace.h.
 920         * run.c (exec_bfd, target_byte_order): Delete.
 921         (main): Pass -E <endian> to sim_open.  Delete code to load sections,
 922         call sim_load instead.  Check return code of sim_create_inferior.
 923         * sim-base.h (CURRENT_STATE): Define.
 924         (sim_state_base): Make typedef.  New members options, prog_argv,
 925         prog_bfd, text_{section,start,end}, start_addr, simcache_size,
 926         mem_size, memory [+ corresponding access macros].
 927         (sim_cpu_base): New typedef.
 928         * sim-trace.h: New file.
 929         * sim-trace.c: New file.
 930         * sim-basics.h: #include it.
 931         * sim-load.c: New file.
 932
 933 Tue Apr 15 15:10:13 1997  Ian Lance Taylor  <ian@cygnus.com>
 934
 935         * Make-common.in (INSTALL): Set to @INSTALL@.
 936         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
 937         (install-common): Depend upon installdirs.  Use
 938         $(program_transform_name) directly, rather than using
 939         $(INSTALL_XFORM).
 940         (installdirs): New target.
 941         * Makefile.in (INSTALL): Set to @INSTALL@.
 942         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
 943         (install-man): Depend upon installdirs.  Use
 944         $(program_transform_name) directly, rather than using
 945         $(INSTALL_XFORM).
 946         (installdirs): New target.
 947
 948 Tue Apr 15 15:08:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 949
 950         * sim-assert.h (SIM_ASSERT, ASSERT): Allow these macros to
 951         be overriden.
 952
 953 Wed Apr  9 16:06:44 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 954
 955         * sim-basics.h: Only bring in config.h and tconfig.h if
 956         HAVE_CONFIG_H.
 957
 958 Mon Apr  7 11:39:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 959
 960         * sim-config.h (WITH_TARGET_WORD_MSB): New Macro. Define the bit
 961         numbering convention of the target.
 962         * sim-config.c (print_sim_config): Print WITH_TARGET_WORD_BITSIZE
 963         and WITH_TARGET_WORD_MSB.
 964         (sim_config): When possible, check for consistency with bitsize
 965         and msb.
 966
 967         * sim-bits.h: Allow MSB to be other than zero.
 968         * sim-bits.c: Ditto.
 969         * sim-n-bits.h: Ditto.
 970
 971         * sim-bits.h (MSMASK*): New macros - converce to LSMASK*.
 972         * sim-n-bits.h (MSMASKEDn): Ditto.
 973
 974 Mon Apr 14 16:29:21 1997  Ian Lance Taylor  <ian@cygnus.com>
 975
 976         * Makefile.in (INSTALL): Change install.sh to install-sh.
 977
 978 Mon Apr  7 10:46:38 1997  Doug Evans  <dje@canuck.cygnus.com>
 979
 980         * sim-base.h (sim_state_base): Move `magic' to end of struct.
 981
 982 Mon Apr  7 15:53:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 983
 984         * run.c (main): Check that a program to run was specified.
 985
 986 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 987
 988         * aclocal.m4 (AC_TYPE_SIGNAL): Add check.
 989
 990         * configure: Regenerated to track ../common/aclocal.m4 changes.
 991         * config.in: Ditto.
 992
 993 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 994
 995         * sim-endian.h: Move host {LITTLE,BIG}_ENDIAN support from here,
 996         * sim-config.h: To here.
 997
 998         * Make-common.in (SIM_EXTRA_DEPS): New config var.
 999         (sim_main_headers): Define.
1000         (sim-*.o): Depend on $(SIM_EXTRA_DEPS).
1001         (BUILT_SRC_FROM_COMMON): Move here from ../d30v/Makefile.in.
1002         (clean): Use it.
1003         (sim-utils.o): Add rule for.
1004         * sim-utils.o: New file.
1005         * sim-basics.h: #include sim-base.h.
1006         (zalloc): Make argument unsigned long.
1007         * sim-base.h: New file.
1008         * sim-inline.h (SIM_IO support): Delete.
1009         * sim-io.h: Delete inline support.
1010         * sim-io.c: Likewise.  sim-state.h renamed to sim-main.h.
1011         * sim-config.c: sim-state.h renamed to sim-main.h.
1012         * sim-core.c: Likewise.
1013         * sim-events.c: Likewise.
1014
1015         * run.c (main): Pass SIM_OPEN_STANDALONE to sim_open.
1016
1017         * aclocal.m4: Check for stdlib.h, string.h, strings.h, unistd.h.
1018         (sim-debug): Allow arguments.  Define WITH_DEBUG in addition to
1019         -DDEBUG.
1020         * configure: Regenerated to track ../common/aclocal.m4 changes.
1021
1022 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1023
1024         * configure: Regenerated to track ../common/aclocal.m4 changes.
1025
1026 Wed Apr  2 11:08:11 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1027
1028         * sim-config.h (WITH_ALIGNMENT, WITH_FLOATING_POINT,
1029         WITH_XOR_ENDIAN, WITH_SMP, WITH_RESERVED_BITS): Assume that these
1030         are defined by the configure.
1031
1032         * aclocal.m4 (sim-stdio): Add option stdio from ../ppc configure.
1033
1034         * aclocal.m4 (floating-point, xor-endian, alignment, smp,
1035         reserved-bits): Always define.
1036
1037         * sim-config.h, sim-config.c (sim_config): New function - and new
1038         file - co-ordinate the setting/checking of the common simulator
1039         configuration options.
1040
1041         * Make-common.in (sim-config.o): Add rule.
1042
1043 Fri Mar 28 15:32:00 1997  Mike Meissner  <meissner@cygnus.com>
1044
1045         * callback.c (os_{,e}vprintf_filtered): Change stdarg type to
1046         va_list from void *, since va_list might not be a pointer type.
1047
1048 Mon Mar 24 15:27:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1049
1050         * sim-n-endian.h (offset_N): Correct assertion - word and sub word
1051         in wrong order.
1052         (offset_N): Correct computation of LE offset.
1053
1054         * sim-io.c (sim_io_error): Include a new line when reporting
1055         errors.
1056
1057         * sim-assert.h (SIM_FILTER_PATH): Out by one when locating last
1058         `/'.
1059
1060 Thu Mar 20 22:31:06 1997  Jeffrey A Law  (law@cygnus.com)
1061
1062         * run.c: Include alloca-conf.h.
1063
1064         * callback.c (os_evprintf_filtered): Fix typo.
1065
1066 Fri Mar 21 13:36:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1067
1068         * run.c (string.h, strings.h, stdlib.h): Include.
1069
1070         * sim-events.c (sim_events_tick): Recent cleanup failed to return
1071         0 when nothing pending.
1072
1073         * run.c (sim_size, sim_trace): Plicate GCC - these two functions
1074         will soon be going away.
1075         (getopt): Plicate GCC.
1076
1077         * sim-endian.c (sim-io.h): Plicate GCC.
1078         * sim-bits.c (sim-io.h): Ditto.
1079         * sim-n-bits.h (ROTn): Ditto.
1080
1081         * sim-io.c (sim_io_error): Correct check for NULL.
1082
1083         * sim-assert.h (SIM_FILTER_PATH): Separate out the code filtering
1084         the __FILE__.
1085         * sim-events.c: Use SIM_FILTER_PATH to filter out the filename
1086         path.
1087
1088 Wed Mar 19 01:12:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1089
1090         * aclocal.m4 (SIM_AC_OPTION_*: Move so that they are outside of
1091         SIM_AC_COMMON - SIM_AC_COMMON was gobling arguments.
1092
1093 Tue Mar 18 20:48:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1094
1095         * sim-alu.h: Include sim-xcat.h.
1096
1097 Tue Mar 18 13:58:18 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1098
1099         * Make-common.in (sim-bits.c, sim-core.c, sim-endian.c,
1100         sim-events.c, sim-inline.c, sim-io.c): Define rules for building
1101         these.
1102
1103         * sim-events.c (sim_events_at_large_int): New function.  Just
1104         schedules an event every large-int ticks.
1105         (sim_events_init): Call.
1106         (sim_events_tick, sim_events_process): Move async handing to
1107         sim_events_process.  Move timer decrement so that it occures after
1108         events have been processed.
1109
1110         * sim-basics.h (struct _engine): Remove declaration.
1111
1112         * sim-events.h, sim-events.c: Rename type to sim_events.  Prefix
1113         everything with same.  Rename global struct to SIM_DESC.
1114         * sim-core.h, sim-core.c, sim-n-core.c: Ditto for sim_core.
1115         * sim-io.h, sim-io.c: Ditto.
1116
1117         * sim-assert.h: New file. Optional assertion checking macros.
1118         * sim-io.c (sim_io_error): Make just this function tolerant to
1119         null pointers.
1120
1121         * sim-xcat.h: New file. Define concatenate macros.
1122         * sim-basics.h (XCONCAT*): Move to sim-xcat.h.
1123         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Explicitly include
1124         concat macros.
1125
1126
1127 Tue Mar 18 12:44:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1128
1129         * sim-bits.h (LSMASK): New macro. Create mask of LS bits.
1130
1131 Mon Mar 17 18:10:05 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1132
1133         * sim-inline.h: Add definitions for sim-types.
1134         (ALL_BY_MODULE): New macro, encapsulate full inlining by the
1135         module.
1136
1137 Mon Mar 17 15:38:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1138
1139         * sim-events.h: Remove defunct reference to callback struct.
1140
1141 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1142
1143         * configure: Re-generate.
1144
1145 Mon Mar 17 15:04:47 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1146
1147         * Make-common.in (CSEARCH): Do not include the gdb directory in
1148         the search path.
1149
1150 Mon Mar 17 13:16:26 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1151
1152         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
1153         SIM_WARNING): Drop, requiring the simulator specific Makefile.in
1154         to explicitly incorporate these.
1155
1156         * aclocal.m4 (--enable-sim-alignment); New option. Strongly
1157         specify the alignment restrictions of the target architecture -
1158         without this option all alignment restrictions are accomodated.
1159         (--enable-sim-assert): New option.  Conditionally compile in
1160         assertion statements.
1161         (--enable-sim-float): New option. Strongly specify the target's
1162         floating point support.
1163         (--enable-sim-hardware): New option.  Specify the hardware devices
1164         included in the simulation.
1165         (--enable-sim-packages): New option.  Specify the hardware
1166         packages included in the simulation.
1167         (--enable-sim-regparm): New option.  Specify that parameters be
1168         passed in registers instead of on the stack.
1169         (--enable-sim-reserved-bits): New option. Specify that reserved
1170         bits within an instruction are are correctly set.
1171         (--enable-sim-smp): New option. Specify the level of SMP support
1172         to be included in the simulator.
1173         (--enable-sim-stdcall): New option.  Specify an alternative
1174         function call convention.
1175         (--enable-sim-xor-endian): New option.  Configure xor-endian
1176         support used by some targets to implement bi-endian support.
1177
1178 Fri Mar 14 19:51:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1179
1180         * aclocal.m4 (--enable-sim-hostendian): New option.  Allow the
1181         host endianness to be overridden.
1182         (--enable-sim-endian): Allow the target platform's byte order
1183         to be overridden.
1184         (--enable-sim-inline): Control the inlining of common components.
1185         (--enable-sim-bswap): For compatibility, also define WITH_BSWAP.
1186         (--enable-sim-warnings): Enable additional GCC compiler checks.
1187         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
1188         SIM_WARNINGS): Add.
1189
1190         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Rename from
1191         sim-*-n.h so that the names are uniq on dos machines
1192         * sim-core.c, sim-bits.c, sim-endian.c: Update.
1193
1194 Thu Mar 13 12:32:42 1997  Doug Evans  <dje@canuck.cygnus.com>
1195
1196         * run.c: #include "libiberty.h".
1197         (main): New locals sd,no_args,sim_argv.
1198         Run buildargv on -a option.  Pass argv to sim_open, argv[0]
1199         is program name.  Update call to sim_set_callbacks.
1200         Record result of sim_open, pass to other sim_foo routines.
1201
1202 Thu Mar 13 10:24:05 1997  Michael Meissner  <meissner@cygnus.com>
1203
1204         * callback.c (os_printf_filtered): Do not call exit(1) or print a
1205         final newline.
1206
1207 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1208
1209         * callback.c: Add os_flush_stdout and vprintf_filtered callbacks.
1210         Route stdout through buffered IO.
1211
1212         * callback.c: Add os_flush_stderr, os_write_stderr,
1213         os_evprintf_filtered functions to route error output through
1214         stderr.
1215
1216         * sim-io.h, sim-io.c (sim_io_flush_stderr, sim_io_flush_stdout):
1217         Correct return type - should be void.
1218
1219 Fri Mar  7 20:14:37 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1220
1221         * sim-basics.h: Clean up.  Many macro's moved to sim-inline.h.
1222
1223         * sim-config.h: Ditto.  For some options - eg WITH_DEVICES - do
1224         not provide a default value as undefined indicates disable code.
1225
1226 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1227
1228         * sim-core.h, sim-core-n.h, sim-core.c: Borrow code from ppc
1229         directory.
1230         * sim-events.h, sim-events.c: Ditto.
1231         * sim-io.h, sim-io.c: Ditto.
1232
1233 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1234
1235         * sim-alu.h (ALU_SUB_CA, ALU*_SUB_CA): New alu operation.
1236
1237         * sim-bits.h, sim-bits-n.h, sim-bits.c (LSMASKED*): New macro's
1238         extract the tail or least signifiant bits from an integer of the
1239         specified size.
1240
1241         * sim-bits.h, sim-bits.c: Clean up conditionally compiled #if
1242         WITH_TARGET_BITSIZE so that the compilation will fail when an
1243         unsupported bitsize value is defined.
1244
1245         (INSERTED*): Convert to functions.
1246         (EXTRACTED*): Ditto.
1247
1248         (SIGN_EXTEND, SEXT): Change to more terse name.
1249
1250 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1251
1252         * sim-inline.h: Allow explicit control over which .c files will be
1253         included by their header.
1254
1255         * sim-inline.h: Allow explicit control over which .c files use the
1256         alternative - REGPARM - parameter passing mechanism.
1257
1258         * sim-inline.h, sim-inline.c: Don't attempt to include any of
1259         icache.c, idecode.c, semantics.c or support.c.  Those names are
1260         not generally applicable.
1261
1262 Thu Feb 27 10:17:23 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1263
1264         * sim-bits.c, sim-bits-n.h (new): Split sim-bits.c into two parts
1265         in a fashion similar to sim-endian-n.
1266
1267         * sim-endian.h: (H_word, L_word, AL_*, VL_*): Extend to include
1268         both value and address macro's.
1269
1270 Tue Feb 25 18:51:57 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1271
1272         * sim-alu.h (ALU16_BEGIN, ALU16_SET, ...): Fill in.
1273
1274         * sim-endian.h (L_word, H_word): Replace MS2W_4, LS2W_4 with more
1275         generic L_word, H_word macro's.
1276
1277 Thu Feb 20 18:36:55 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1278
1279         * sim-basics.h: Borrow code from ppc directory.
1280         * sim-bits.c: Ditto.
1281         * sim-bits.h: Ditto.
1282         * sim-config.h: Ditto.
1283         * sim-endian-n.h: Ditto.
1284         * sim-endian.c: Ditto.
1285         * sim-endian.h: Ditto.
1286         * sim-inline.c: Ditto.
1287         * sim-inline.h: Ditto.
1288         * sim-types.h: Ditto.
1289
1290 Wed Feb 19 12:40:50 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1291
1292         * sim-alu.h (ALU_SET16, ALU_SET32, ALU_SET64, etc): Make available
1293         all the ALU size alternatives and then auto-configure a default.
1294
1295         * sim-alu.h: Copy ppc/idecode_expression.h.
1296
1297 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
1298
1299         * bits.h, bits.c (SIGN_EXTEND32, SIGN_EXTEND64): New functions,
1300         sign extend a bit within a value.
1301
1302         * sim-endian.h, sim-endian-n.h (offset_N): New functions - return
1303         a pointer into the middle of a host word.
1304         * sim-endian.h (MS2W_4, LS2W_4): Use this function.
1305
1306 Tue Feb 11 13:46:49 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
1307
1308         * callback.c: If HAVE_CONFIG_H is defined, include config.h from
1309         autoconf.  If HAVE_UNISTD_H is defined, include unistd.h to get
1310         appropriate definitions of read, write, etc.  Add prototype for
1311         system.
1312
1313 Tue Feb  4 13:24:44 1997  Doug Evans  <dje@canuck.cygnus.com>
1314
1315         * Makefile.in (libcommon.a): Delete.
1316         (callback.o,targ-map.o): Delete, moved to Make-common.in.
1317         (gentmap,targ-vals.h,targ-map.c): Likewise.
1318         (run-autoconf): Delete.
1319         * aclocal.m4 (SIM_AC_OUTPUT): Redo creation of Makefile.
1320         (common makefile fragment): Moved back into ...
1321         * Make-common.in: Resurrect.
1322         * configure.in (AC_LINK_FILES): Delete, unnecessary now.
1323         * configure: Regenerated.
1324
1325 Fri Jan 31 07:16:49 1997  Doug Evans  <dje@canuck.cygnus.com>
1326
1327         * aclocal.m4 (SIM_AC_COMMON): Move COMMON_MAKEFILE_FRAG from here.
1328         (SIM_AC_OUTPUT): To here.
1329
1330 Fri Jan 24 10:37:17 1997  Stu Grossman  (grossman@critters.cygnus.com)
1331
1332         * aclocal.m4 (COMMON_MAKEFILE_FRAG):  Quote a couple of $'s in
1333         comments and single quotes.  Fixes a problem found on hpux.
1334
1335 Thu Jan 23 13:35:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
1336
1337         * aclocal.m4:  Remove Make-common.in from dependencies.
1338         * (distclean):  Remove targ-vals.def.
1339
1340         * aclocal.m4 (SIM_AC_COMMON):  Move contents of Make-common.in
1341         into here.  Makes insertion into makefiles easier.  Also, change
1342         the way that callback.o, gentmap, targ-vals.h, targ-map.c,
1343         targ-map.o, and run are built.  They are now built in the
1344         individual simulator directories, taking sources from ../common as
1345         necessary.  This replaces the merging of libcommon.a into
1346         linsim.a, which was problematic for the WinGDB build process.
1347         * run.c:  Include config.h from . instead of ../common.
1348         * Make-common.in:  Remove.  It's no longer necessary.
1349
1350 Mon Dec 16 15:02:33 1996  Ian Lance Taylor  <ian@cygnus.com>
1351
1352         * Make-common.in (ALL_CLAGS): Put CFLAGS at the end.
1353         (.c.o): Put $(ALL_CFLAGS) before the file being compiled.
1354
1355 Wed Dec 11 11:30:58 1996  Jim Wilson  <wilson@cygnus.com>
1356
1357         * run.c (main): Set target_byte_order before call to sim_open.
1358
1359 Sun Dec  8 18:22:06 1996  Doug Evans  <dje@canuck.cygnus.com>
1360
1361         * callback.c: #include <stdlib.h>
1362         (os_error): New function.
1363         (default_callback): Add os_error.
1364
1365 Mon Nov 25 19:44:35 1996  Doug Evans  <dje@canuck.cygnus.com>
1366
1367         * Make-common.in (Makefile): Set CONFIG_HEADERS="".
1368         * aclocal.m4: Mark the fact that --enable-sim-bswap isn't host
1369         specific.
1370         (SIM_AC_OUTPUT): Don't build Makefile if CONFIG_FILES="".
1371
1372 Wed Nov 20 01:11:04 1996  Doug Evans  <dje@canuck.cygnus.com>
1373
1374         * run.c: #include ../common/config.h, tconfig.h.
1375         (myname): New static global.
1376         (main): Recognize new options -a, -c.  Also recognize -h if h8/300.
1377         Only process -c ifdef SIM_HAVE_SIMCACHE.
1378         Only process -p/-s ifdef SIM_HAVE_PROFILE.
1379         Parse program name from argv[0] and use in error messages.
1380         Pass sim_args to sim_open.  Pass prog_args to sim_create_inferior.
1381         Add support for incomplete h8/300 termination indicators.
1382         (usage): Make more verbose.
1383         * aclocal.m4,config.in,tconfig.in,configure.in,configure: New files.
1384         * Makefile.in,Make-common.in,callback.c: New files.
1385         * nltvals.def,gentmap.c,gentvals.sh: New files.
1386
1387 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
1388
1389         * run.c: Include stdarg.h if __STDC__.
1390
1391 Tue Oct 15 11:16:31 1996  Jeffrey A Law  (law@cygnus.com)
1392
1393         * run.c (main): Don't print out anything if the signal
1394         number is zero (ie no signal).
1395
1396 Tue Oct 15 11:20:44 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1397
1398         * run.c (main): Print out if the program raised a signal.
1399
1400 Wed Sep 18 09:52:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1401
1402         * run.c (exec_bfd): Rename from sim_bfd, to use the gdb name.
1403         (main): Ditto.
1404
1405 Tue Sep 17 11:04:50 1996  James G. Smith  <jsmith@cygnus.co.uk>
1406
1407         * run.c (main): Explicitly cast malloc() parameter.
1408
1409 Thu Sep 12 11:27:21 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
1410
1411         * run.c (sim_bfd): New global to hold the bfd pointer for the
1412         executable.
1413         (main): Initialize sim_bfd.
1414
1415 Fri Dec 15 16:27:49 1995  Ian Lance Taylor  <ian@cygnus.com>
1416
1417         * run.c (main): Use new bfd_big_endian macro.
1418
1419 Wed Nov  8 15:49:49 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
1420
1421         * run.c (main): Removed SH specific comments, so source is
1422         generic. Also updated to only load relevant sections. Moved
1423         sim_open() to after callback attach (to match GDB).
1424
1425         * run.1: Removed SH specific comments.
1426
1427 Sat Oct 21 12:31:01 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1428
1429         * run.c (main): Always return sigrc at end.
1430
1431 Tue Oct 10 12:03:13 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1432
1433         * run.c (main): Print error diagnostic and exit if bfd_openr() or
1434         bfd_check_format() fails.
1435
1436 Thu Sep 28 15:40:36 1995  steve chamberlain  <sac@slash.cygnus.com>
1437
1438         * run.c, run.1: From sh directory.
1439
1440