sim/common/ChangeLog

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