sim/common/ChangeLog

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