sim/common/ChangeLog

   1 Wed Dec  3 17:56:02 1997  Doug Evans  <devans@canuck.cygnus.com>
   2
   3         * Make-common.in (SIM_ENVIRONMENT): New variable.
   4         (CONFIG_CFLAGS): Add it.
   5         * aclocal.m4 (SIM_AC_OPTION_ENVIRONMENT): Handle
   6         --enable-sim-environment option.
   7         * configure: Regenerated.
   8         * sim-config.h (environment support): Rewrite.
   9         * sim-config.c (current_environment): Define as enum, unconditionally.
  10         (current_alignment): Define unconditionally.
  11         (config_environment_to_a): Update.
  12         (config_alignment_to_a): Fix type of argument.  Define unconditionally.
  13         (sim_config): Handle environment and alignment determination
  14         unconditionally.  Delete sanity checks of current_environment,
  15         unnecessary.
  16         (print_sim_config): Update.
  17         * sim-options.c (STANDARD_OPTIONS enum): Add OPTION_ENVIRONMENT.
  18         (standard_options): Add --environment.
  19         (standard_option_handler): Likewise.
  20
  21 Fri Nov 28 12:21:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  22
  23         * sim-alu.h: Add notes on carry vs borrow for subtraction.
  24         (ALU{,8,16,32,64}ADD): Redefine ADD macro as add overflowing.
  25         (ALU{,8,16,32,64}ADDC): Define - add carrying.
  26         (ALU{,8,16,32,64}SUB): Redefine SUB macro as subtract overflowing.
  27         (ALU{,8,16,32,64}SUBB): Define - subtract borrowing.
  28         (ALU{,8,16,32,64}SUBC): Define - tract carrying.
  29         (ALU{,8,16,32,64}ADD_CA, ALU{,8,16,32,64}ADDC_C): Replace single
  30         argument ADD_CA macro with two argument ADDC_C - add carrying with
  31         carry in.
  32         (ALU{,8,16,32,64}SUB_CA, ALU{,8,16,32,64}SUBC_X): Replace single
  33         argument SUB_CA macro with two argument SUBC_X - subtract
  34         carrying, extended.
  35         (ALU{,8,16,32,64}SUBB_B): Define - subtract borrowing with
  36         borrow-in.
  37         (ALU{,8,16,32,64}NEGC, ALU{,8,16,32,64}NEGB): Define.
  38
  39 Sun Nov 30 17:40:57 1997  Michael Meissner  <meissner@cygnus.com>
  40
  41         * sim-io.c (sim_io_{syscalls,getstring}): Delete.  No longer used.
  42         * sim-io.h (sim_io_syscalls): Delete.
  43
  44 Fri Nov 28 20:10:09 1997  Michael Meissner  <meissner@cygnus.com>
  45
  46         * syscall.c (cb_syscall): Add missing else, so write to stdout
  47         isn't doubled.
  48
  49         * sim-alu.h (ALU{,8,16,32,64}_SET_CARRY): Provide macros to import
  50         the carry bit from the CPU's psw.
  51
  52 Fri Nov 28 11:15:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  53
  54         * gennltvals.sh: Redo syscall support to allow sanitization.
  55         * nltvals.def: Regenerated.
  56
  57 Wed Nov 26 16:49:38 1997  Michael Meissner  <meissner@cygnus.com>
  58
  59         * syscall.c (cb_syscall): If writing to stdout or stderr, flush
  60         the stream immediately.
  61
  62 Wed Nov 26 12:32:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  63
  64         * sim-io.c (sim_io_getstring): Delete unused len2.
  65         (sim_io_syscalls): Ditto for sys_errno.
  66
  67 Wed Nov 26 11:18:40 1997  Doug Evans  <devans@canuck.cygnus.com>
  68
  69         * syscall.c (cb_syscall): Test CB_SYSCALL struct magic number.
  70
  71         * Make-common.in (run.o): Depend on remote-sim.h.
  72         (nrun.o,sim-hload.o,sim-hrw.o): Likewise.
  73         (sim-io.o,sim-reason.o,sim-resume.o): Likewise.
  74
  75 Tue Nov 25 20:12:46 1997  Michael Meissner  <meissner@cygnus.com>
  76
  77         * sim-io.c (sim_io_syscalls): Disable lseek.
  78
  79 Tue Nov 25 00:12:38 1997  Doug Evans  <devans@seba.cygnus.com>
  80
  81 start-sanitize-d30v
  82         * gennltvals.sh: Generate syscall values for d30v.
  83 end-sanitize-d30v
  84         * gennltvals.sh: Use libgloss/syscall.h for sparc.
  85         * nltvals.def: Regenerate.
  86
  87         * callback.c (os_stat): Make 3rd arg a host struct stat ptr.
  88         (os_fstat): Likewise.  Validate fd argument.
  89         (cb_host_to_target_stat): Delete big_p arg.  If HS arg is NULL,
  90         just compute target stat struct length.
  91         * syscall.c: #include "libiberty.h", <sys/types.h>, <sys/stat.h>.
  92         (ENOSYS,ENAMETOOLONG): Provide definitions if missing.
  93         (get_string): Return host errno values so they can be properly
  94         translated later.
  95         (cb_syscall): Likewise.
  96         (cb_syscall, cases open,unlink): Use get_path instead of get_string.
  97         (cb_syscall, case read): Use read_stdin for file descriptor 0.
  98         (cb_syscall, case write): Use write_stderr for file descriptor 2.
  99         (cb_syscall): Add cases for lseek, unlink, stat, fstat, time.
 100         (get_path): New function.
 101
 102 Mon Nov 24 18:56:07 1997  Michael Meissner  <meissner@cygnus.com>
 103
 104         * sim-io.c (sim_io_syscalls): New function to provide system call
 105         emulation.  Provide exit, open, close, read, write, lseek, and
 106         unlink.
 107         (sim_io_getstring): New function to return a string from a
 108         simulated memory location.
 109
 110         * sim-io.h (sim_io_syscalls): Add declaration.
 111
 112 Mon Nov 24 12:09:59 1997  Doug Evans  <devans@seba.cygnus.com>
 113
 114         * sim-core.c (sim_core_signal): Fix spelling error in message.
 115
 116         * sim-hrw.c (sim_read): Use read map, not write map.
 117
 118         * Make-common.in (all): Add .gdbinit.
 119         * gdbinit.in: Add dump command.
 120
 121         * sim-model.c (model_options): Use '\0' for `shortopt'.
 122
 123         * sim-trace.c (trace_option_handler): Set state trace file
 124         for --trace-file in addition to cpu's values.
 125         (trace_vprintf): If cpu == NULL, try state's trace file.
 126         (trace_options): Reorganize table, reword some descriptions.
 127
 128 Sun Nov 23 10:57:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 129
 130         * sim-fpu.c (sim_fpu_abs, sim_fpu_neg, sim_fpu_inv), sim-fpu.h:
 131         New functions.
 132
 133 Sat Nov 22 19:16:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 134
 135         * sim-reason.c (sim_stop_reason): For sim_signalled, return the
 136         signal untranslated, document problem with this.
 137
 138         * nrun.c (main): Check for a prog name of `*step'.  If present,
 139         step the simulator instead of allowing it to run free.
 140
 141         * sim-signal.c (SIGQUIT): Define on _MSC_VER hosts.
 142
 143         * Make-common.in (sim_main_headers): Add sim-signal.h.
 144
 145 Fri Nov 21 09:32:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 146
 147         * sim-signal.c (sim_signal_to_host): Return 0 for SIM_SIGNONE.
 148
 149 Thu Nov 20 20:35:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 150
 151         * sim-signal.h: Start simulator signals at 64 so that host signal
 152         numbers can be detected and reported.
 153
 154         * sim-signal.h (SIM_SIGFPE), sim-signal.h: Add signal.
 155
 156 Wed Nov 19 12:02:41 1997  Doug Evans  <devans@seba.cygnus.com>
 157
 158         * callback.c (cb_host_to_target_stat): Fix return values.
 159
 160         * cgen-sim.h (enum_signal_type): Delete.
 161         (engine_signal): Update prototype.
 162         * cgen-utils.c: Don't include <signal.h>.
 163         (sim_signal_to_host): Delete, lives in sim-signal.c now.
 164         (engine_signal): Update.
 165
 166         * sim-utils.c (sim_state_alloc): Call SIM_STATE_ALLOC if defined.
 167         (sim_state_free): Call SIM_STATE_FREE if defined.
 168
 169         * sim-module.c (sim_module_install): Don't leave any modules
 170         installed if one fails to install.
 171
 172 Wed Nov 19 13:25:48 1997  Michael Meissner  <meissner@cygnus.com>
 173
 174         * sim-options.c: Don't include ../libiberty/alloca-conf.h any
 175         more, since alloca is not used in this file.
 176
 177         * sim-alu.h (ALU{32,64}_*): Rewrite 32 and 64 bit ALU support to
 178         correctly set the carry and overflow bits for those types.
 179         (ALU{8,16,32,64}_{ADD,SUB}_CA): Take VAL argument to add along
 180         with carry, so carry is correct after doing both adds.
 181         (ALU*): Space out '\' to make it easier to read.
 182
 183 Tue Nov 18 15:53:45 1997  Doug Evans  <devans@canuck.cygnus.com>
 184
 185         * sim-core.c (sim_core_signal): Use sim_stopped instead of
 186         sim_signalled.
 187
 188         * sim-signal.c, sim-signal.h: New files.
 189         * Make-common.in (sim-signal.o): Add rule for.
 190         (SIM_NEW_COMMON_OBJS): Add sim-signal.o.
 191         * sim-abort.c: Don't include <signal.h>.
 192         * sim-basics.h: #include "sim-signal.h".
 193         * sim-break.c: Don't include <signal.h>.
 194         (sim_handle_breakpoint): Replace SIGTRAP with SIM_SIGTRAP.
 195         * sim-core.c: Don't include <signal.h>.
 196         (SIGBUS): Delete definition.
 197         (sim_core_signal): Replace SIGSEGV,SIGBUS with SIM_SIGSEGV,SIM_SIGBUS.
 198         * sim-engine.c: Don't include <signal.h>.
 199         (sim_engine_abort): Replace SIGABRT with SIM_SIGABRT.
 200         * sim-reason.c (sim_stop_reason): Call sim_signal_to_host.
 201         * sim-resume.c: Don't include <signal.h>.
 202         (SIGTRAP): Delete definition.
 203         (has_stepped): Replace SIGTRAP with SIM_SIGTRAP.
 204         * sim-stop.c: Don't include <signal.h>.
 205         (control_c_simulation): Replace SIGINT with SIM_SIGINT.
 206         * sim-watch.c: Don't include <signal.h>.
 207         (handle_watchpoint): Replace SIGINT with SIM_SIGINT.
 208
 209         * Make-common.in (SIM_NEW_COMMON_OBJS): New variable.
 210
 211         * sim-base.h (CIA_ADDR): Provide default definition.
 212         * sim-core.c (sim_core_signal): Use CIA_ADDR to fetch value.
 213         * sim-break.c (sim_handle_breakpoint): Likewise.
 214
 215 Mon Nov 17 14:15:31 1997  Doug Evans  <devans@seba.cygnus.com>
 216
 217         * Make-common.in (srccom): New variable.
 218
 219         * Make-common.in (DEP, COMMON_DEP_CFLAGS): Define.
 220         (LIB_OBJS): Add syscall.o.
 221         (gentmap): Pass $(NL_TARGET) to $(CC).
 222         (syscall.o): Add rule for.
 223         (sim_main_headers): Add $(SIM_EXTRA_DEPS).
 224         (sim-bits.o): Depend on $(sim-n-bits_h).
 225         (sim-load.o): Depend on callback.h.
 226
 227         * Make-common.in (cgen-*.o): Update dependencies, mem-ops.h renamed to
 228         cgen-mem.h, sem-ops.h renamed to cgen-ops.h.
 229         * cgen-mem.h, cgen-ops.h: New files.
 230
 231         * aclocal.m4 (--enable-sim-scache): Pass -DWITH_SCACHE=0 for "=no".
 232
 233         * Makefile.in (nltvals.def): Depend on gennltvals.sh.
 234         Rewrite build rule.
 235         * callback.c: #include string.h or strings.h.
 236         #include sys/types.h and sys/stat.h.
 237         (cb_init_syscall_map,cb_init_errno_map,cb_init_open_map): Declare.
 238         (os_get_errno,os_open): Update.
 239         (os_stat,os_fstat): New functions.
 240         (os_init): Initialize syscall_map, errno_map, open_map.
 241         (default_callback): Add entries for os_stat, os_fstat, syscall_map,
 242         errno_map, open_map, signal_map, stat_map.
 243         (cb_read_target_syscall_maps): New function.
 244         (cb_target_to_host_syscall): New function.
 245         (cb_host_to_target_errno): Renamed from host_to_target_errno.
 246         (cb_target_to_host_open): Renamed from target_to_host_open.
 247         (store): New function.
 248         (cb_host_to_target_stat): New function.
 249         * syscall.c: New file.
 250         * gentmap.c (sys_tdefs): New global.
 251         (gen_targ_vals_h): Output target syscall numbers.
 252         (gen_targ_map_c): Update.  Output target syscall translation map.
 253         * gentvals.sh: New first argument `target'.  Preface table with
 254         #ifdef NL_TARGET_$target if non-null target passed.
 255         * gennltvals.sh: New file.
 256         * nltvals.def: Regenerated.
 257
 258 Fri Nov 14 11:33:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 259
 260         * sim-n-core.h (sim_core_read_unaligned_N): Return static
 261         sim_core_dummy_M.
 262         (sim_core_dummy_M): Declare.
 263
 264 Wed Nov 12 18:16:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 265
 266         * sim-core.c (sim_core_signal): Print the address of the
 267         instruction.
 268
 269 Thu Nov 13 11:49:41 1997  Doug Evans  <devans@seba.cygnus.com>
 270
 271         * sim-base.h (sim_state_base): Move `magic' to end of struct.
 272
 273         * sim-base.h (sim_state_base): Add member trace_data.
 274         (STATE_TRACE_DATA): New macro.
 275         * sim-trace.h (TRACE_DEBUG_IDX,TRACE_debug): New macros.
 276         ({WITH_,}TRACE_DEBUG_P): New macros.
 277         (STATE_TRACE_FLAGS,STRACE_P,STRACE_DEBUG_P): New macros.
 278         (_sim_cpu): Delete forward reference.
 279         (debug_printf): Update.
 280         * sim-trace.c (OPTION_TRACE_DEBUG): Define.
 281         (trace_options): Add --trace-debug.
 282         (set_trace_options): Handle it.
 283         (trace_option_handler): Likewise.
 284         (trace_install): Init state trace_data struct.
 285         (trace_uninstall): Close state trace file.
 286         * sim-events.c (ETRACE): Only print source file and line number if
 287         --trace-debug.
 288         * sim-n-core.h (sim_core_trace_M): Likewise.
 289
 290         * sim-core.c (sim_core_signal): Add missing "\n" in message.
 291
 292 1997-11-13  Felix Lee  <flee@cygnus.com>
 293
 294         * sim-n-core.h (sim_core_read_unaligned_N): illegal empty
 295         initializer.
 296         * sim-types.h (unsigned128,signed128): fix typo for MSVC.
 297
 298 Wed Nov 12 12:18:08 1997  Doug Evans  <devans@canuck.cygnus.com>
 299
 300         * aclocal.m4 (SIM_AC_OPTION_SCACHE): Fix typo.
 301
 302         * Make-common.in (BUILT_SRC_FROM_COMMON): Remove files no longer
 303         built this way.
 304         (sim-config.o): Remove non-existent $(sim-nconfig_h) dependency.
 305         (clean): Don't delete $(BUILT_SRC_FROM_COMMON) if building in
 306         source tree.
 307
 308 Tue Nov 11 13:28:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 309
 310         * sim-events.c (sim_events_process): Re-compute the time -
 311         update_time_from_event - as each event is processed. Reverses
 312         previous change.
 313
 314 Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 315
 316         * callback.c (os_poll_quit): Replace _WIN32 with _MSC_VER.
 317
 318 Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 319
 320         * sim-events.c (sim_events_process): Delete redundant call to
 321         update_time_from_event.
 322         (sim_events_slip): Always decrement time_from_event.
 323         (sim_events_tick, sim_events_deschedule, update_time_from_event):
 324         Delete assertion that time_from_event >=0 when work in queue, no
 325         longer applicable.
 326
 327 Thu Nov  6 12:06:46 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 328
 329         * sim-options.c (STANDARD_OPTIONS): Change OPTION_* to an enum.
 330         (standard_option_handler): Update.
 331
 332         * sim-options.h: Clarify documentation.
 333         (OPTION_LONG_ONLY_P): Delete definition.
 334         (OPTION_VALID_P): Define.
 335
 336         * sim-options.c (sim_print_help): Allow short only options.
 337         (sim_parse_args): Ditto.
 338         (sim_args_command): Skip short only options.
 339         (sim_parse_args): Allocate space for NUM_OPTS not just 256. Make
 340         separate entries for short and long options in the HANDLERS and
 341         ORIG_VAL tables.
 342         (sim_parse_args): Disable argument permutation.
 343
 344 Wed Nov  5 13:40:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 345
 346         * sim-core.h (DECLARE_SIM_CORE_WRITE_N. DECLARE_SIM_CORE_READ_N):
 347         Add argument M, size of data type.
 348         (sim_core_read_misaligned_3, sim_core_write_misaligned_3):
 349         Declare, ditto for 5, 6 & 7 byte transfers.
 350         (sim_core_write_unaligned_1, sim_core_write_unaligned_1): Define
 351         as aligned variant.
 352
 353         * sim-n-core.h (sim_core_trace_M): Rename from
 354         sim_core_trace_N. Add nr_bytes argument. Replace transfer argument
 355         with transfer type. Print transfer direction.  Handle 1 and 2 byte
 356         transfers.
 357         (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Trace
 358         unaligned accesses.
 359         (unsigned_M, T2H_M, H2T_M): Rename from unsigned_N, T2H_N, H2T_N.
 360         Update all functions.
 361
 362         * sim-core.c: Generate functions starting with 16 not 1.
 363         (sim_core_read_unaligned_3): Generate. Ditto for 3 byte write and
 364         all 5, 6 & 7 byte transfers.
 365
 366         * sim-n-core.h (sim_core_read_misaligned_N,
 367         sim_core_write_misaligned_N): Implement.
 368
 369 Mon Nov  3 15:03:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 370
 371         * sim-endian.h (U16_8): Implement
 372
 373         * sim-endian.c (sim_endian_split_16, sim_endian_join_16): New functions
 374
 375         * sim-endian.h (VL8_16, VH8_16): Implement.
 376
 377         * sim-memopt.c (memory_option_handler): Typecast 64bit value to
 378         long in printf.
 379         (memory_option_handler): Only zalloc modulo bytes when non-zero.
 380         (memory_option_handler): Skip comma in alias address list
 381
 382 Fri Oct 31 13:03:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 383
 384         * sim-memopt.c (do_memopt_add, do_memopt_delete): Add level and
 385         space params.
 386         (parse_size, parse_addr): New functions
 387         (memory_option_handler, memory_options): Parse address & size
 388         using new functions. Pass level, space, modulo to do_memopt_add &
 389         do_memopt_del.
 390
 391         * sim-memopt.h (struct _sim_memopt): Add level & space fields.
 392
 393         * sim-core.h (sim_core_arrach, sim_core_detach): Replace
 394         `attach_type attach' argument with `unsigned level' argument.
 395         Document.
 396
 397         * sim-core.c (new_sim_core_mapping, sim_core_map_attach,
 398         sim_core_attach): Replace argument attach with level.  Update
 399         verification of arguments.
 400         (sim_core_map_detach, sim_core_detach): Replace argument attach
 401         with level.
 402
 403         * sim-basics.h (enum _attach_type): Delete.
 404
 405 Thu Oct 30 13:45:00 1997  Doug Evans  <devans@seba.cygnus.com>
 406
 407         * sim-core.h (sim_core_write_8): Define.
 408
 409 Tue Oct 28 12:29:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 410
 411         * sim-bits.h: Document ROTn macro.
 412
 413         * sim-endian.h (H2T): Handle 16 byte variables.
 414
 415         * sim-n-core.h (sim_core_read_unaligned_N): Return a dummy when an
 416         error.
 417
 418         * sim-core.c: Do not generate sim_core_*_word.
 419
 420         * sim-n-core.h (sim_core_trace_N): Add line_nr argument.
 421         (sim_core_write_aligned_N, sim_core_read_aligned_N): Update.
 422
 423         * sim-core.h (sim_core_read_unaligned_word,
 424         sim_core_read_aligned_word, sim_core_read_word,
 425         sim_core_write_unaligned_word, sim_core_write_aligned_word,
 426         sim_core_write_word): Change to macros that map onto sim_core_*_N.
 427
 428 Mon Oct 27 11:25:10 1997  Doug Evans  <devans@canuck.cygnus.com>
 429
 430         * sim-n-endian.h: Add TAGS entrys for 16 byte versions.
 431
 432         * sim-endian.h: Disable 16 byte support.
 433
 434 Mon Oct 27 12:00:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 435
 436         * sim-endian.c (_SWAP_16): Define.  Generate 126 bit swap code.
 437
 438         * sim-n-core.h (sim_core_trace_N): New function.
 439         (sim_core_read_aligned_N, sim_core_write_aligned_N): Use,
 440         (sim_core_read_unaligned_N): Do not retyrn bogus value wden error.
 441
 442         * sim-endian.h:  Add 128 bit variant.
 443
 444         * sim-core.h, sim-core.c: Add 128 bit variant.
 445
 446         * sim-types.h: Add signed128 and unsigned128 types using a struct.
 447
 448 Fri Oct 24 11:33:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 449
 450         * sim-events.c (sim_events_process): Clear events->work_pending.
 451         (sim_events_tickn, sim_events_tick): Accumulate, instead of
 452         setting, nr_ticks_to_process.
 453         (sim_events_preprocess): Allow nr_ticks_to_process to be non-zero
 454         when the event queue isn't next.
 455
 456         * sim-events.h, sim-events.c (sim_events_slip): New function.
 457
 458 Wed Oct 22 14:18:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 459
 460         * sim-hload.c (sim_load): Pass lma_p==0 and do_load=sim_load.
 461
 462         * sim-utils.h, sim-load.c (sim_load_file): Add lma_p and do_load
 463         arguments.
 464
 465 Tue Oct 21 18:37:57 1997  Doug Evans  <devans@canuck.cygnus.com>
 466
 467         * nrun.c (main): Remove useless test of name != NULL.
 468         Exit if bfd_openr fails.  Call bfd_check_format after bfd_openr.
 469
 470 Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 471
 472         * sim-fpu.c (EXPMAX): Type is unsigned.
 473         (MIN_INT, MAX_INT): Type is signed64.
 474         (i2fpu): Type of val is signed64.
 475
 476 Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 477
 478         * sim-profile.h (PROFILE_PC_BUCKET_SIZE): Treat a shift of zero as
 479         a bucket size of zero.
 480
 481         * sim-profile.c (OPTION_PROFILE_PC_GRANULARITY,
 482         OPTION_PROFILE_PC): Define.
 483         (profile_option_handler): Add support for --profile-pc and
 484         --profile-pc-granularity options.
 485         (profile_pc_init): When possible, compute nr buckets from bucket
 486         size.
 487
 488         * sim-profile.c (profile_pc_init): Align the profile-pc end
 489         address with the profile-pc bucket size.
 490
 491         * sim-profile.h (PROFILE_PC_NR_BUCKETS): Rename PROFILE_PC_SIZE to
 492         something less ambiguous.
 493         (PROFILE_PC_BUCKET_SIZE): Ditto for PROFILE_PC_SAMPLE_SIZE.
 494
 495         * sim-profile.c (profile_pc_cleanup): New function. Move
 496         profile_pc_uninstall code to here.
 497         (profile_pc_uninstall): Call.
 498         (profile_pc_init): Call.
 499
 500 Mon Oct 20 17:23:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 501
 502         * sim-profile.c (profile_print_pc): Dump pc profile to dmon.out
 503         file using BSD gprof format.
 504
 505         * sim-bits.h (LSBIT, MSBIT, BIT): Force result to type
 506         unsigned_word.
 507         (LSBIT8, LSBIT16, LSBIT32, LSBIT64, MSBIT8, MSBIT16, MSBIT32,
 508         MSBIT64): Force result to unsignedN.
 509
 510 Thu Oct 16 11:38:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 511
 512         * sim-alu.h (ALU16_BEGIN, ALU32_BEGIN, ALU64_BEGIN): Drop opening
 513         brace from macro.
 514         (ALU8_BEGIN, ALU8_SET, ALU8_ADD, ALU8_SUB, ALU8_NEGATE): Define.
 515         (ALU16_ADD, ALU16_SUB, ALU16_NEGATE): Simplify arrithmetic.
 516         (ALU32_ADD, ALU32_SUB, ALU32_NEGATE): Simplify arrithmetic.
 517         (ALU64_ADD, ALU64_SUB, ALU64_NEGATE): Simplify arrithmetic.
 518
 519 Wed Oct 15 09:24:19 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 520
 521         * sim-core.h (struct _sim_core_mapping): Change free_buffer to
 522         type void*.
 523
 524         * sim-core.c (sim_core_uninstall, new_sim_core_mapping,
 525         sim_core_map_attach, sim_core_map_detach): Change free_buffer to
 526         type void*.
 527         (sim_core_attach): Rename buffer_freed to free_buffer, type
 528         void*. Ensure that allocated buffer is alligned according to
 529         region's address.
 530
 531 Mon Oct 13 11:34:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 532
 533         * sim-alu.h (ALU64_HAD_OVERFLOW): Define.
 534         (ALU64_SUB): Define.
 535
 536         * Make-common.in (all): Build SIM_EXTRA_ALL first.
 537         (.gdbinit): Remove dependencies, generate once per build.
 538
 539 Tue Oct 14 19:20:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 540
 541         * sim-n-core.h (sim_core_read_aligned_N,
 542         sim_core_write_aligned_N): Make xaddr param type address_word not
 543         unsigned_word.
 544
 545 Fri Oct  3 09:49:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 546
 547         * sim-fpu.h, sim-fpu.c: Rewrite.  Change sim_fpu object to an
 548         unpacked floating point struct.  Pass sim_fpu object by reference.
 549         Add preliminary support for rounding modes.
 550
 551 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 552
 553         * configure: Regenerated to track ../common/aclocal.m4 changes.
 554
 555 Thu Oct  2 19:43:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 556
 557         * aclocal.m4 (sim-bitsize): Fix typo, WITH_TARGET_WORD_BITSIZE not
 558         WITH_TARGET_BITSIZE.
 559
 560 Thu Sep 25 23:20:20 1997  Felix Lee  <flee@yin.cygnus.com>
 561
 562         * sim-profile.c (profile_print_core): label needs empty statement.
 563
 564 Thu Sep 25 11:20:47 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 565
 566         * sim-break.c (sim_set_breakpoint sim_clear_breakpoint):  Use ZALLOC
 567         and zfree instead of xmalloc and free.  Prevents warnings.
 568
 569 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 570
 571         * configure: Regenerated to track ../common/aclocal.m4 changes.
 572
 573 Wed Sep 24 17:23:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 574
 575         * Make-common.in (SIM_BITSIZE): Assign from configured value.
 576         (CONFIG_CFLAGS): Add SIM_BITSIZE.
 577
 578         * aclocal.m4 (--enable-sim-bitsize): Developer option for
 579         controling the bitsize/msb of the target.
 580
 581 Wed Sep 24 17:41:40 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 582
 583         * Make-common.in:  New files sim-break.c, sim-break.h.
 584         * sim-base.h:  Add point to breakpoint list to sim_state_base.
 585         * sim-break.c sim-break.h:  New modules that implement intrinsic
 586         breakpoint support.
 587         * sim-module.c:  Add breakpoint module.
 588
 589 Tue Sep 23 00:26:39 1997  Felix Lee  <flee@yin.cygnus.com>
 590
 591         * sim-events.c (SIM_EVENTS_POLL_RATE): poll more often than once
 592         an hour.
 593         * sim-n-core.h (WITH_XOR_ENDIAN): MSVC barfs on
 594         if (0) { 1 % 0; }
 595         * sim-core.c (sim_core_xor_write_buffer): WITH_XOR_ENDIAN + 1.
 596         (SIGBUS) define for Windows.
 597         * sim-trace.c (trace_printf,debug_printf): added ALMOST_STDC.
 598         * sim-resume.c: define SIGTRAP for windows.
 599         * sim-xcat.h: use token pasting if ALMOST_STDC.
 600
 601 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 602
 603         * Make-common.in (SIM_SCACHE, SIM_DEFAULT_MODEL): Assign
 604         configured values.
 605         (CONFIG_CFLAGS): Add same.
 606
 607 Mon Sep 22 17:20:27 1997  Felix Lee  <flee@cygnus.com>
 608
 609         * sim-types.h (SIGNED64): ##i64 when _MSC_VER, not _WIN32.
 610         (SIGNED32): use ##i32.
 611
 612 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 613
 614         * configure: Regenerated to track ../common/aclocal.m4 changes.
 615
 616 Tue Sep 23 10:07:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 617
 618         * aclocal.m4 (sim-endian): Simplify logic determining [default]
 619         endian of target.
 620
 621         * Make-common.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 622         SIM_HOSTENDIAN, SIM_RESERVED_BITS, SIM_ASSERT, SIM_FLOAT,
 623         SIM_HARDWARE, SIM_INLINE, SIM_PACKAGES, SIM_REGPARM, SIM_SMP,
 624         SIM_STDCALL, SIM_XOR_ENDIAN): Assign configured values.
 625         (CONFIG_CFLAGS): Add same.
 626
 627         * aclocal.m4: Perform AC_SUBST on optional options.
 628
 629 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 630
 631         * sim-config.h (WITH_DEFAULT_ALIGNMENT): Don't hardwire any alignment.
 632
 633         * sim-options.c (standard_option_handler): Typo in warning message.
 634
 635         * sim-base.h (STATE_MODEL): Make conditional on SIM_HAVE_MODEL.
 636
 637         * sim-profile.c (profile_print_insn): Check 0 .. MAX_INSN for any
 638         insn count.  Make count conditional on there being a valid
 639         INSN_NAME.
 640         (profile_pc_init): Make default PC profile frequency an arbitrary
 641         256.
 642
 643         * sim-base.h: Ditto.
 644
 645         * sim-profile.h (WITH_PROFILE_MODEL_P): Only enable modeling when
 646         SIM_HAVE_MODEL.
 647
 648         * sim-model.h (struct MACH): Depreciate, to be replaced by bfd
 649         archure struct.
 650
 651 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 652
 653         * configure: Regenerated to track ../common/aclocal.m4 changes.
 654
 655 Mon Sep 22 11:45:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 656
 657         * aclocal.m4 (sim_alignment): Simplify logic for selecting the
 658         configured alignment.
 659
 660 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 661
 662         * configure: Regenerated to track ../common/aclocal.m4 changes.
 663
 664 Fri Sep 19 17:26:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 665
 666         * sim-config.c (sim_config): Check for default alignment.
 667
 668         * sim-options.c (standard_option_handler): Add alignment option.
 669
 670         * aclocal.m4 (sim_alignment): Allow configuration of hardwired and
 671         default alignment requirements on memory accesses.
 672
 673 Fri Sep 19 11:51:35 1997  Jeffrey A Law  (law@cygnus.com)
 674
 675         * sim-load.c (sim_load_file): Return failure if the executable
 676         had no loadable sections.
 677
 678 Wed Sep 17 13:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 679
 680         * sim-events.c (ETRACE): Use trace_printf not sim_io_printf for
 681         trace output.
 682
 683         * sim-core.c (sim_core_signal): When bad access halt simulator
 684         SIGSEGV / SIGBUS instead of aborting.
 685         (signal.h): Include.
 686
 687         * sim-watch.c (sim_watchpoint_install): Handler for watchpoint
 688         options was missing.
 689
 690         * sim-bits.h (MOVED): Define
 691
 692 Wed Sep 17 10:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 693
 694         * sim-alu.h (ALU32_HAD_OVERFLOW): Pacify GCC, Use MSBIT instead of
 695         BIT.
 696
 697         * sim-bits.h (LSBIT, MSBIT): Check for overflow of shift value.
 698
 699         * sim-bits.c: Add 8 bit versions of bit macros.
 700
 701         * sim-bits.h: Ditto.
 702
 703 Tue Sep 16 16:15:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 704
 705         * sim-bits.c (LSSEXT, MSSEXT): Replace SEXT.
 706         (LSINSERTED, MSINSERTED): Ditto for INSERTED.
 707
 708         * sim-n-bits.h (MSSEXTn, LSSEXTn): Replace SEXTn.
 709         (LSINSERTDn, MSINSERTEDN): Ditto for INSERTEDn.
 710
 711         * sim-bits.h (SEXT*): Define as MSEXT/LSEXT.
 712         (INSERTED*): Ditto for LSINSERTED/MSINSERTED.
 713
 714 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 715
 716         * aclocal.m4 (SIM_AC_COMMON): Add optional config.h file argument.
 717         configure.in: Output to cconfig.h instead of config.h.
 718
 719         * configure: Regenerated to track ../common/aclocal.m4 changes.
 720
 721 Mon Sep 15 15:39:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 722
 723         * sim-utils.c (sim_analyze_program): Set STATE_ARCHITECTURE from
 724         BFD if known.
 725
 726 Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>
 727
 728         * callback.c (os_write): divert stdout and stderr to their
 729         respective hooks.
 730
 731 Thu Sep 11 10:08:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 732
 733         * sim-profile.c (profile_print_speed): Call
 734         sim_events_elapsed_time instead of PROFILE_EXEC_TIME for moment.
 735
 736         * sim-events.c (sim_events_elapsed_time): New function return nr
 737         host MS consumed by the simulator.
 738         (sim_watch_valid): Use.
 739
 740         * sim-module.c (modules): Install sim_events very very early.
 741
 742         * sim-profile.c (profile_print): Call profile_print_pc.
 743         (print_bar):
 744         (profile_pc_init): New function, set up processor for PC
 745         profiling.
 746         (profile_print_pc): New function, print a PC profile.
 747         (profile_pc_event): New function, sample PC.
 748
 749         * sim-profile.h (PROFILE_PC_COUNT, PROFILE_PC_START,
 750         PROFILE_PC_END, PROFILE_PC_SHIFT, PROFILE_PC_SAMPLE_SIZE): Add to
 751         profile struct.
 752
 753         * sim-options.c (sim_print_help): Pacify GCC.
 754
 755         * sim-n-core.h (sim_core_read_aligned_N,
 756         sim_core_write_aligned_N): Add un-conditional profile call.
 757         (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Add
 758         profile call when aligned read/write isn't used.
 759
 760         * sim-base.h: Include sim-profile, sim-model after sim-core &
 761         sim-events allow sim-core to define useful values.
 762
 763         * sim-profile.c (OPTION_PROFILE_CORE): Define.
 764         (profile_option_handler, profile_options): Add support for
 765         --profile-core option.
 766         (print_bar): Include when core profiling.
 767         (profile_print_core): New function, print core profile.
 768
 769         * sim-config.c (print_sim_config): Print profile status.
 770
 771         * sim-profile.h (PROFILE_NEXT_IDX, PROFILE_core,
 772         WITH_PROFILE_PC_P): Define.
 773         (PROFILE_CORE_COUNT): Count each core-map/size separatly.
 774         (PROFILE_COUNT_CORE): Define.
 775
 776 Thu Sep 11 08:44:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 777
 778         * sim-watch.c (handle_watchpoint): Pass a char** index into the
 779         interrupt_names array as the data.
 780         (sim-watch.h): Document.
 781
 782 Wed Sep 10 16:15:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 783
 784         * sim-options.c (sim_print_help): When the doc string is to long
 785         word wrap it.
 786
 787         * sim-watch.c (sim_watchpoint_install): Use option.doc_name so
 788         that only the first few the watch options are listed.  Generate
 789         meanginful usage messages.
 790
 791         * sim-options.h (struct OPTION): Clarify use of doc_name field
 792
 793 Wed Sep 10 13:23:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 794
 795         * sim-options.c (OPTION_ARCHITECTURE_INFO): New option.
 796         (standard_option_handler): Handle --architecture-info.
 797
 798 Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>
 799
 800         * sim-core.h (sim_cpu_core): [WITH_XOR_ENDIAN + 1], to avoid
 801         illegal zero-sized array.
 802         * sim-core.c (sim_core_xor_read_buffer): same.
 803
 804 Tue Sep  9 11:20:35 1997  Doug Evans  <dje@canuck.cygnus.com>
 805
 806         * nltvals.def: Regenerate.
 807
 808 Tue Sep  9 02:10:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 809
 810         * sim-fpu.c (DP_FRACHIGH2): Define LL using SIGNED64.
 811
 812 Mon Sep  8 12:22:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 813
 814         * sim-bits.c (MASKED): Delete.
 815         (EXTRACTED): Delete.
 816         (LSEXTRACTED, MSEXTRACTED): New functions.
 817
 818         * sim-n-bits.h (MASKEDn): Delete, define as MSMASKED or LSMASKED.
 819         (MSMASKEDn, LSMASKEDn): Add last argument.
 820         (MSMASK*): Ditto.
 821
 822         * sim-bits.h (EXTEND8, EXTEND16): Define.
 823         (EXTRACTED64): Define as 64 bit extract, not 32 bit.
 824
 825         * sim-run.c (sim_engine_run): Use CPU_CIA macro.
 826
 827         * sim-engine.h (SIM_ENGINE_HALT_HOOK): Use CPU_CIA to get at
 828         current instruction address.
 829
 830         * sim-inline.h (*_ENGINE): Define.
 831
 832 Fri Sep  5 08:39:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 833
 834         * sim-core.c (sim_core_attach): Fix checks of modulo/mask.
 835
 836         * sim-watch.c (delete_watchpoint): Delete by ident and type.
 837         (watch_option_handler): Call delete_watchpoint with ident or type.
 838         (sim_watchpoint_install): Create interrupt specific watchpoint
 839         commands on the fly.
 840         (do_watchpoint_create): New function, create a watch point using
 841         type/int-nr info encoded in the option nr.
 842         (do_watchpoint_info): New function.  List active watchpoints.
 843
 844         * sim-watch.h: Change data structure to a list.
 845
 846         * sim-memopt.c (memory_option_handler): Require explicit "all"
 847         before deleting all memory regions.
 848
 849         * sim-utils.c (sim_do_commandf): New function, printf version of
 850         sim_do_command.
 851
 852         * sim-basics.h (asprintf, vasprintf): Hack, define for CYGWIN32.
 853
 854         * sim-alu.h (ALU64_ADD): Use explicit MSEXTRACTED64, do not assume
 855         bit endianness.
 856         (SIGNED64, UNSIGNED64): Delete.
 857         (ALU64_ADD): Don't rely on bit endianness.
 858         (ALU64_BEGIN): Define.
 859
 860         * sim-n-bits.h (MSEXTRACTEDn, LSEXTRACTED): New functions.
 861         (EXTRACTEDn): Delete, define as either LSEXTRACTED or MSEXTRACTED.
 862
 863         * sim-types.h (SIGNED64, UNSIGNED64): New macros, attach relevant
 864         suffix - u64, LL - to 64 bit constants.
 865
 866 Thu Sep  4 09:27:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 867
 868         * sim-config.c (sim_config): Add assert for SIM_MAGIC_NUMBER.
 869
 870         * sim-utils.h (NZALLOC): Define - zalloc * N.
 871
 872         * sim-hrw.c (sim_read, sim_write): New file.  Provide generic
 873         implementation of read/write functions.
 874
 875         * Make-common.in (sim-hrw.o): New target.
 876
 877         * sim-base.h (STATE_MEMOPT_P): Delete, simulators _always_ add
 878         memory.
 879
 880         * sim-memopt.c (memory_option_handler): Implement memory-size
 881         command. Implement memory-alias command.  Let memory-delete delete
 882         all memory regions.
 883         (add_memopt): New function.  Add a memory region.
 884         (do_memopt_delete): New function. Delete a memory region.
 885
 886         * sim-utils.c (sim_elapsed_time_get): Never return zero.
 887
 888         * sim-core.c (sim_core_detach): New function.
 889         (sim_core_map_detach): New function. Perform the actual detach.
 890         (sim_core_init): Move initialization code from here.
 891         (sim_core_install): To here.
 892         (sim_core_uninstall): And here.
 893
 894         * sim-module.c: Add memopt module.
 895
 896         * sim-base.h (STATE_MEMOPT, STATE_MEMOPT_P): Add memopt to
 897         simulator base type.
 898
 899         * Make-common.in (sim_main_headers): Add sim-memopt.h
 900         (sim-memopt.o): New target.
 901
 902         * sim-core.c (sim_core_install): Add core_options to the option
 903         table.
 904
 905         * sim-watch.c (watch_options): Make --delete-watch a synonym for
 906         --watch-delete.
 907
 908         * sim-config.h (WITH_MODULO_MEMORY): Define as 0.  Update
 909         comments.
 910
 911         * sim-core.h (struct _sim_core_mapping): Change nr_bytes to type
 912         address_word, add mask member.
 913
 914         * sim-core.h, sim-core.c (sim_core_attach): Make nr_bytes of type
 915         address_word, allow for 64bit targets in 32bit host. Add modulo
 916         argument.
 917         (sim_core_map_attach): Ditto.
 918         (new_sim_core_mapping): Ditto.
 919         (sim_core_translate): Mask address when modulo memory.
 920
 921 Wed Sep  3 17:32:54 1997  Doug Evans  <dje@seba.cygnus.com>
 922
 923         * sim-hload.c (sim_load): Add assert for SIM_MAGIC_NUMBER.
 924
 925         * gdbinit.in: New file.
 926         * aclocal.m4 (SIM_AC_OUTPUT): Build .gdbinit.
 927         * Make-common.in (distclean): Delete .gdbinit.
 928         (.gdbinit): Add rule for.
 929         * configure: Regenerated to track ../common/aclocal.m4 changes.
 930
 931         * Make-common.in (cgen-run.o): Add rule for.
 932
 933 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 934
 935         * sim-resume.c (sim_resume): Suspend/resume the simulator.
 936
 937         * sim-events.c (sim_watch_valid): Compute total elapsed time from
 938         both resumed and previous elapsed time.
 939         (sim_events_init): Set initial_wallclock and current_wallclock to
 940         zero.
 941         (sim_events_install): Install sim_events_suspend and
 942         sim_events_resume.
 943         (sim_events_watch_clock): Allow for suspended simulator when
 944         computing the time of the clock event.
 945
 946         * sim-events.h (struct _sim_event): Add resume_wallclock, rename
 947         initial_wallclock to elapsed_wallclock, set both to zero.
 948         (sim_events_init, sim_events_uninstall): Delete prototypes.
 949
 950         * sim-module.h (MODULE_SUSPEND_FN, MODULE_RESUME_FN): Define types.
 951
 952         * sim-module.c(sim_module_resume, sim_module_suspend): New
 953         functions.
 954
 955 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 956
 957         * sim-core.c (sim_core_map_attach): Clarify memory overlap error
 958         message.
 959
 960 Tue Sep  2 14:57:06 1997  Doug Evans  <dje@canuck.cygnus.com>
 961
 962         * Makefile.in (TAGS): Add support for "/* TAGS: foo */" marker.
 963         * Make-common.in (TAGS): Likewise.
 964         * sim-n-bits.h: Add TAGS comments for all functions.
 965         * sim-n-core.h: Likewise.
 966         * sim-n-endian.h: Likewise.
 967
 968 Mon Sep  1 10:50:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 969
 970         * sim-utils.c (sim_state_alloc): Set CPU backlinks, callback and
 971         kind.
 972
 973         * sim-base.h (sim_state_alloc): Add callback and kind arguments.
 974
 975         * sim-base.h (INVALID_INSTRUCTION_ADDRESS): Add default
 976         definition.
 977
 978 Sat Aug 30 09:47:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 979
 980         * sim-fpu.c (DP_GARDMSB, ...): Make unsigned.
 981         (DP_FRACHIGH, DP_FRACHIGH2, ..): Use MSMASK to avoid LL.
 982
 983 Fri Aug 29 13:37:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 984
 985         * sim-core.c (sim_core_map_attach): Cast attach enum to int.
 986         (sim_core_xor_read_buffer, sim_core_xor_write_buffer): Make
 987         nr_transfered and nr_this_transfer unsigned.
 988
 989         * sim-events.c (sim_events_tickn): N is signed, as limited to
 990         MAXINT.
 991
 992         * sim-n-endian.h (offset_N): Change size to unsigned.
 993
 994         * callback.c (os_poll_quit): Add prototypes for kbhit and getkey.
 995
 996 Fri Aug 29 10:10:53 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 997
 998         * sim-utils.c (sim_copy_argv): Delete, replaced by dupargv.
 999
1000         * sim-options.c (sim_parse_args): Use dupargv.
1001
1002 Thu Aug 28 10:36:34 1997  Doug Evans  <dje@canuck.cygnus.com>
1003
1004         * sim-options.c (standard_option_handler): Use xstrdup, not strdup.
1005
1006 Thu Aug 28 12:09:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1007
1008         * sim-base.h (STATE_ARCHITECTURE, STATE_TARGET): Add to simulator
1009         base type.
1010
1011         * sim-options.c (standard_options): Add --architecture=MACHINE and
1012         --target=TARGET options.
1013         (OPTION_ARCHITECTURE, OPTION_TARGET): Define.
1014         (standard_option_handler): Handle architecture and target options.
1015         (bfd.h): Include.
1016
1017         * sim-utils.c (sim_analyze_program): Pass STATE_TARGET to
1018         bfd_openr.
1019         (sim_analyze_program): Set prog_bfd architecture from
1020         STATE_ARCHITECTURE if known.
1021
1022 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1023
1024         * configure: Regenerated to track ../common/aclocal.m4 changes.
1025         * config.in: Ditto.
1026
1027 Wed Aug 27 18:11:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1028
1029         * aclocal.m4 (enable-sim-warnings): Remove comment stating
1030         that option does not apply to certain files.
1031
1032 Wed Aug 27 15:13:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1033
1034         * sim-bits.h (LSBIT8, LSBIT16, LSBIT32, LSBIT64, LSBIT, MSBIT8,
1035         MSBIT16, MSBIT32, MSBIT64, MSBIT): New macros - single bit as
1036         offset from MSB/LSB.
1037
1038         * sim-endian.h (A1_8, A2_8, A4_8, A1_4, A2_4, A1_2): New macro,
1039         access address of sub word quantity of a hosts 16, 32, 64 bit word
1040         type.
1041         (V1_2, V1_4, V2_4, V1_8, V2_8, V4_8): Ditto for values.
1042         (U8_1, U8_2, U8_4, U4_1, U4_2, U2_1): Ditto for set of values.
1043         (V2_H1, V2_L1, V4_H2, V4_L2, V8_L4, V8_H4): Given N byte argument,
1044         return N*2 byte value with argument in Hi/Lo word.  Renamed from
1045         V1_H2, V1_L2, V2_H4, V2_L4, V4_H8, V4_L8.
1046
1047         * sim-alu.h (ALU32_HAD_OVERFLOW): Use 64 bit mask not 32bit.
1048         (ALU16_HAD_CARRY, ALU32_HAD_CARRY, ALU16_HAD_OVERFLOW): Use MSBIT
1049         so that bit offset is explicit.
1050
1051 Wed Aug 27 11:55:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1052
1053         * sim-utils.c (sim_analyze_program): Add prog_name argument.
1054         Update STATE_PROG_BFD when needed with a dup'd copy of the
1055         program.
1056
1057         * sim-config.c (sim_config): Delete ABFD argument, use
1058         STATE_PROG_BFD directly.
1059
1060 Tue Aug 26 12:55:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1061
1062         * run.c (main): Pass the open ABFD to sim_create_inferior.
1063
1064         * nrun.c (main): Determine prog_bfd.  Pass to sim_create_inferior
1065         and sim_load.
1066         (bfd.h): Include.
1067
1068         * sim-hload.c (sim_load): New file. Implement generic sim_load for
1069         hardware only simulator targets.
1070
1071         * Make-common.in (sim-hload.o): Add rule.
1072
1073 Wed Aug 27 09:51:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1074
1075         * sim-utils.c (sim_copy_argv): Rewrite to match malloc strategy
1076         used by copyargv and freeargv.
1077
1078         * sim-options.c (sim_parse_args): Save a copy of PROG-ARGS in
1079         STATE_PROG_ARGV, not just a pointer.
1080
1081 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1082
1083         * configure: Regenerated to track ../common/aclocal.m4 changes.
1084         * config.in: Ditto.
1085
1086 Mon Aug 25 12:11:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1087
1088         * aclocal.m4 (sim-endian): Add second argument to
1089         SIM_AC_OPTION_ENDIAN.  First is hardwired endian, second is
1090         default endian when not hardwired.
1091
1092         * sim-config.h (WITH_DEFAULT_TARGET_BYTE_ORDER): New macro, if all
1093         else failes value for target byte order.
1094
1095         * sim-config.c (sim_config): Add abfd arguments. Set
1096         STATE_PROG_BFD accordingly.  Determine prefered_target_byte_order
1097         from same.
1098         (sim_config): Return SIM_RC, don't abort.
1099         (bfd.h): Include.
1100
1101         * run.c (main): Update call to sim_open - add ABFD argument.
1102         * nrun.c (main): Add NULL ABFD argument.
1103
1104 Thu Aug 14 12:48:57 1997  Doug Evans  <dje@canuck.cygnus.com>
1105
1106         * callback.c (os_poll_quit): Make static.
1107         Call sim_cb_eprintf, not p->eprintf.
1108         (sim_cb_printf, sim_cb_eprintf): New functions.
1109         * sim-utils.h (sim_cb_printf, sim_cb_eprintf): Declare.
1110
1111         * sim-basics.h (zalloc,zfree,sim_add_commas,SIM_ELAPSED_TIME,
1112         sim_elapsed_time_get,sim_elapsed_time_since): Move decls to
1113         sim-utils.h. #include sim-utils.h.
1114         * sim-utils.h: Above decls moved here.
1115         (sim_analyze_program,sim_load_file): Use `struct _bfd', not `bfd'.
1116
1117         * sim-watch.c (action_watchpoint): Fix thinkos.
1118
1119 Thu Jul 24 08:48:05 1997  Stu Grossman  (grossman@critters.cygnus.com)
1120
1121         * sim-types.h:  Fix defs of 64 bit data types for MSVC.
1122
1123 Tue Jul 22 10:35:37 1997  Doug Evans  <dje@canuck.cygnus.com>
1124
1125         * sim-n-core.h (sim_core_write_unaligned_N): Add missing break
1126         to FORCED_ALIGNMENT case.
1127
1128 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1129
1130         * callback.c (target_to_host_open): Handle hosts with O_BINARY.
1131
1132 Thu Jun  5 08:47:10 1997  Jeffrey A Law  (law@cygnus.com)
1133
1134         * Make-common.in (libsim.a): Fix typo.
1135
1136 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1137
1138         * nrun.c (main): Verify the structure returned before using it.
1139
1140 Wed Jun  4 11:44:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1141
1142         * sim-config.h (WITH_ENGINE): Enable the sim-engine module by
1143         default.
1144
1145         * sim-engine.c (sim_engine_install): New function.  Install the
1146         engine init functions.
1147         (sim_engine_init): [Re]initialize the simulator engine.
1148
1149         * sim-module.c: Add sim_engine to list of modules that always
1150         install.
1151
1152 Tue Jun  3 04:52:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1153
1154         * sim-watch.c (schedule_watchpoint): Use sim_unschedule_watchpoint
1155         to remove the old watchpoint, not delete_watchpoint.
1156         (watch_option_handler): Action the correct watchpoint, not just
1157         cycles.
1158
1159 Wed May 28 14:47:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1160
1161         * sim-n-core.h (sim_core_write_aligned_N): For 8byte reads, output
1162         both low and high word.
1163         (sim_core_write_aligned_N): Ditto.
1164
1165         * sim-trace.c (set_trace_options): Delete code explicitly setting
1166         core->trace.
1167
1168         * sim-options.c (sim_print_help): Call the list commands if not a
1169         standalone simulator.
1170         (sim_print_help): Advise that some options may not be applicable.
1171
1172         * sim-trace.c (set_trace_options): Assume core present.
1173
1174         * sim-events.c (sim_events_schedule_after_signal): Overflow signal
1175         buffer when full not almost full.
1176
1177 Tue May 27 14:32:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1178
1179         * sim-events.c (sim_events_process): Don't blat the event queue
1180         when processing watchpoints.
1181
1182         * sim-watch.h: Make arg unsigned long - stop sign extension.
1183
1184         * sim-events.c (sim_watch_valid): rewrite so debugable.
1185
1186         * sim-config.h (WITH_XOR_ENDIAN): Default to zero.
1187
1188         * sim-watch.c (schedule_watchpoint): Add is_within option so that
1189         inequality test is possible.
1190         (handle_watchpoint): Re-pass is_within arg.
1191         (watch_option_handler): When `!' prefix to pc-watchpoint arg pass
1192         0 to schedule_watchpoint's is_within arg.
1193         (sim_watchpoint_init): Re-pass is_within arg.
1194
1195         * sim-options.c (sim_print_help): Add is_command argument.  Don't
1196         include -- prefix when called from the command line interpreter.
1197
1198         * sim-watch.c (schedule_watchpoint): Pass true is_within argument.
1199
1200         * sim-events.c (sim_events_watch_sim): Add is_within argument,
1201         zero indicates that the test should be reversed.
1202         (sim_events_watch_core): Ditto.
1203         (WATCH_CORE): Compare range against is_within.
1204         (WATCH_SIM): Ditto.
1205
1206 Tue May 27 12:48:03 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1207
1208         * sim-events.c (WATCH_CORE): Pass NULL cpu argument to
1209         sim_core_read_buffer.  Check nr-bytes transfered.
1210
1211         * sim-core.h (sim_core_common): Define a new struct that contains
1212         the common data.  to sd and cpu structures.
1213         * sim-core.c (sim_core_attach): Update.
1214         (sim_core_init): Update. Remember to copy initialized data to each
1215         cpu.
1216         (sim_core_find_mapping): Ditto.
1217
1218         * sim-core.c (sim_core_read_buffer): Add cpu argument.
1219         (sim_core_write_buffer): Ditto.
1220
1221         * sim-n-core.h (sim_core_read_unaligned_N): When mis-aligned
1222         transfer use xor version of read buffer.
1223         (sim_core_write_unaligned_N): Ditto for write.
1224
1225         * sim-core.c (sim_core_xor_read_buffer): New function implement
1226         xor-endian data read breaking transfer up into xor-endian sized
1227         blocks.
1228         (sim_core_xor_write_buffer): Ditto for write.
1229         (reverse_n): Reverse order of arbitrary number of bytes in buffer
1230         - needed for xor-endian transfers.
1231
1232 Fri May 23 14:24:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1233
1234         * sim-inline.h: Review description.
1235
1236         * sim-core.h, sim-core.c: Reduce number of functions being inlined
1237         to just those involved in data transfers and configuration.
1238
1239         * sim-xcat.h (XSTRING): New macro, map macro definition onto
1240         string.
1241         * sim-n-core.h (sim_core_read_aligned_N): Use.
1242         (sim_core_read_unaligned_N): Ditto.
1243         (sim_core_read_unaligned_N): Ditto..
1244         (sim_core_write_unaligned_N): Ditto.
1245
1246         * sim-core.h: Add xor endian bitmap to main structure.  *
1247
1248         sim-n-core.h (sim_core_write_aligned_N): Add suport for xor
1249         endian.
1250         (sim_core_read_aligned_N): Ditto.
1251
1252         * sim-core.c (sim_core_set_xor_endian): New function.
1253         (sim_core_attach): Don't overwrite the per-cpu xor map when
1254         cloning the global core.
1255
1256 Fri May 23 10:53:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1257
1258         * sim-engine.h: Update below so that it is using an enumerated
1259         type.
1260
1261 Thu May 22 09:12:16 1997  Gavin Koch  <gavin@cygnus.com>
1262
1263         * sim-engine.c (sim_engine_restart):
1264         * sim-resume.c (sim_resume): Change longjmp param/setjmp
1265         return value used for simulator restart from 0 to 2.
1266
1267 Wed May 21 08:47:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1268
1269         * cgen-scache.c (scache_option_handler): Add is_command arg.
1270
1271         * sim-model.c (model_option_handler): Add is_command argument.
1272
1273         * sim-profile.c (profile_option_handler): Add is_command arg.
1274
1275         * sim-events.c (sim_watch_valid): Use ub64, lb64 when 64bit value
1276         involved.
1277
1278         * sim-module.c (sim_module_add_init_fn): Call init fn in the same
1279         order that they are registered.
1280
1281         * sim-options.h (OPTION_HANDLER): Add argument to differentiate
1282         between option and command line processing.
1283
1284         * sim-options.c: Include stdlib.h, ctype.h.
1285
1286         * Make-common.in (sim-watch.o): Add rule.
1287         (sim_main_headers): Assume sim-assert.h included.
1288         (sim-*.o): Simplify make rule.
1289
1290         * sim-module.c: Add sim_watch_install to module list.
1291
1292 Tue May 20 14:15:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1293
1294         * sim-base.h (STATE_LOADED_P): New predicate. Set once everything
1295         has been loaded.
1296
1297         * sim-trace.c (trace_install): Check magic. Include sim-assert.h.
1298         * sim-events.c (sim_events_install): Ditto.
1299         * sim-core.c (sim_core_install): Ditto.
1300         * sim-model.c (model_install): Ditto.
1301         * sim-options.c (standard_install): Ditto.
1302         * sim-profile.c (profile_install): Ditto.
1303         * sim-reason.c (sim_stop_reason): Ditto.
1304         * sim-run.c (sim_engine_run): Ditto.
1305         * sim-utils.c (sim_analyze_program): Ditto.
1306
1307         * sim-module.c (modules): Make profile_install and trace_install
1308         optional.
1309
1310         * sim-base.h (STATE_MEM_BASE): Define for flat memory systems.
1311
1312         * sim-options.c (standard_option_handler): Set the byte order.
1313
1314         * sim-events.c (sim_events_process): Allow multi tick processing.
1315         (sim_events_tickn): New function - multi cycle tick.
1316
1317         * sim-events.h (sim_events_tickn, sim_events_timewarp): Add
1318         prototypes.  Under development.
1319         (sim_events): Replace processing with nr_ticks_to_process.
1320
1321 Tue May 20 09:39:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1322
1323         * nrun.c (main): Pass callbacks to sim_open instead of using
1324         sim_set_callbacks.
1325
1326         * run.c (main): Ditto.
1327
1328 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1329
1330         * sim-events.c (sim_events_zalloc): Signal save memory allocator -
1331         stop tk interrupting malloc calls.
1332         (sim_events_zalloc): Converse.
1333
1334         * Make-common.in (sim_main_headers): Add sim-events.h.
1335
1336         * sim-events.c (sim_events_schedule_after_signal): Change return
1337         type to void - signal events are strictly internal.
1338         (sim_events_init): Allocate a finite buffer for signal events.
1339         (sim_events_schedule_after_signal): Enter signal events into the
1340         signal buffer.
1341
1342         * sim-engine.c (sim_engine_halt): Check SIM_DESC magic.
1343         (sim_engine_restart): Ditto.
1344         (sim_engine_abort): Ditto.
1345         * sim-stop.c (sim_stop): Ditto.
1346         (control_c_simulation): Ditto.
1347         * sim-resume.c (sim_resume): Ditto.
1348         (has_stepped): Ditto.
1349         * sim-abort.c (sim_engine_abort): Ditto.
1350
1351         * sim-basics.h (transfer_type): New type.
1352
1353         * sim-core.c (sim_core_signal): New function. Print core signal
1354         information.
1355         (sim_core_find_mapping): Add transfer argument.
1356
1357         * sim-n-core.h (sim_core_{write,write}_unaligned_N): Call
1358         SIM_CORE_SIGNAL if a recoverable abort.
1359         * sim-core.c (sim_core_find_mapping): Ditto.
1360
1361 Fri May 16 15:13:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1362
1363         * sim-core.c (sim_core_find_mapping): Replace calls to
1364         sim_io_error to more resiliant sim_engine_abort.
1365
1366         * sim-n-core.h (sim_core_read_unaligned_N): Ditto.
1367         (sim_core_write_unaligned_N): Ditto.
1368
1369 Tue May 13 13:50:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1370
1371         * sim-module.c: Add sim_events_install to list.
1372
1373         * sim-events.c (sim_events_install, sim_events_uninstall): Clonse
1374         from sim_core_*.
1375         (sim_events_init): Now returns SIG_RC.
1376
1377         * sim-run.c: New file. Generic sim_engine_run.
1378         * sim-reason.c: New file. Generic sim_stop_reason.
1379         * sim-stop.c: New file. Generic sim_stop.
1380         * sim-resume.c: New file. Generic sim_resume.
1381
1382         * Make-common.in (sim-engine.o): Add rule.
1383         (sim-run.o, sim-reason.o, sim-stop.o, sim-resume.o): Ditto.
1384
1385         * sim-engine.h, sim-engine.c: New file. Provide generic
1386         implementation of sim_engine_halt, sim_engine_error. et.al.
1387
1388         * sim-base.h (sim_state_base): Add member halt.
1389         (sim-engine.h): Include.
1390
1391         * sim-events.h (sim_event_handler): Always pass SIM_DESC to event
1392         handlers.
1393         * sim-events.c (sim_events_poll): Update event handler.
1394
1395 Tue May 13 09:57:49 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1396
1397         * sim-events.h, sim-events.c (sim_events_watch_clock): New
1398         function.
1399         (sim_events_watch_sim): New function.
1400         (sim_events_watch_core): New function.
1401         (sim_watch_valid): New function.
1402         (sim_events_preprocess): New function.
1403         (sim_events_process): Process the watchpoints as well as the timer
1404         queue.
1405         (sim_events_tick): Check WORK_PENDING instead of the hold queue.
1406         (sim_events_deschedule): Check all the queues when removing an
1407         event.
1408         (sim_events_init): Ditto for cleaning.
1409
1410 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1411
1412         * sim-fpu.c (is_ufpu_number): Comment out - currently unused.
1413
1414 Mon May 19 11:23:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1415
1416         * callback.c (os_open): Type of arg flags is int.
1417
1418 Fri May 16 22:26:43 1997  Michael Meissner  <meissner@cygnus.com>
1419
1420         * sim-fpu.c (sim_fpu_is_{eq,ne,lt,le,gt,ge}): Compare Infinities
1421         just like normal numbers as per IEEE rules.
1422
1423 Wed May 14 21:20:38 1997  Bob Manson  <manson@charmed.cygnus.com>
1424
1425         * callback.c (os_close): Mark the descriptor as being
1426         available if the close succeeded.
1427         (os_open): Pass 0644 as the mode of the file being created.
1428
1429 Thu May 15 10:58:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1430
1431         * sim-fpu.c (pack_fpu, unpack_fpu): New functions - decode a
1432         float.
1433
1434         * sim-inline.c (SIM_INLINE_C): Rename from _SIM_INLINE_C_.
1435         * sim-lnline.h: Update.
1436
1437         * sim-fpu.h, sim-fpu.c (sim_fpu_[iu]{32,64}to): New int2fp
1438         conversion functions.
1439         (sim_fpu_to{32,64}[iu]): New fp2int functions.
1440
1441         * sim-fpu.h, sim-fpu.c (sim_fpu_is_{lt,le,eq,ne,ge,gt}): New fp
1442         compare functions.  Replacing.
1443         (sim_fpu_cmp): This. Delete.
1444
1445 Mon May 12 14:49:05 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1446
1447         * sim-core.c (sim_core_find_mapping): Call engine_error not
1448         sim_io_error when possible.
1449
1450 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1451
1452         * sim-endian.h (V1_H2): Add macro's to insert a word into a
1453         high/low double word.
1454
1455         * sim-trace.h: Remove definition of attribute - defined in
1456         sim_basics.h.
1457
1458 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1459
1460         * sim-options.h (struct OPTION): Add doc_opt as the documenting
1461         name of the option - or family of options.
1462
1463         * sim-options.c (sim_args_command): Match command `a-b c' with
1464         option `--a-b-c' from option table.
1465
1466 Thu May  8 12:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1467
1468         * sim-options.c (sim_print_help): For optional arguments, wrap
1469         them in [].
1470
1471         * sim-trace.c (set_trace_options): New function, handle optional
1472         argument and multiple assignment.
1473         (trace_option_handler): Update.
1474
1475         * sim-trace.c (trace_option_handler): Trace branch and not fpu
1476         when branch tracing selected.
1477
1478 Wed May  7 15:19:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1479
1480         * sim-trace.c (trace_one_insn): Make a va-args function.
1481
1482         * sim-trace.c (trace_vprintf): New function, va-arg version of
1483         trace_printf.
1484
1485 Tue May  6 16:38:16 1997  Doug Evans  <dje@canuck.cygnus.com>
1486
1487         * sim-trace.c (trace_uninstall): Don't close a file twice.
1488         * sim-profile.c (profile_uninstall): Likewise.
1489
1490 Tue May  6 06:14:01 1997  Mike Meissner  <meissner@cygnus.com>
1491
1492         * sim-trace.c (toplevel): Include bfd.h.
1493         (trace_options): Note that --trace-linenum also turns on
1494         --trace-insn.  Add --trace-{branch,semantics}.
1495         (trace_option_handler): If --trace-linenum, also turn on
1496         --trace-insn.  Add --trace-branch support.  If --trace-semantics,
1497         turn on ALU, FPU, branch, and memory tracing.
1498         (trace_one_insn): New function to trace an instruction.  Support
1499         --trace-linenum.
1500         (OPTION_TRACE_*): Use an enum, rather than lots of defines.
1501
1502         * sim-trace.h (TRACE_{SEMANTICS,BRANCH}_IDX): Add new macros.
1503         (MAX_TRACE_VALUES): Use 32, not 12 by default.
1504         (TRACE_branch): Add new mask.
1505         (TRACE_*_P): Define all possible trace_p macros.
1506         (trace_one_insn): Declare function.
1507
1508 Mon May  5 14:08:34 1997  Mike Meissner  <meissner@cygnus.com>
1509
1510         * sim-trace.h (__attribute__): Define as nothing if not GNU C or
1511         GNU C doesn't support __attributes__.
1512         ({trace,debug}_printf): Add attribute's so -Wformat can check the
1513         format strings.
1514
1515 Mon May  5 11:16:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1516
1517         * sim-config.h (FORCED_ALIGNMENT): New alignment option -
1518         addresses are masked forcing them to be correctly aligned.
1519         (WITH_ALIGNMENT): Make NONSTRICT_ALIGNMENT the default.
1520         * sim-config.c (config_alignment_to_a): Update.
1521
1522         * sim-core.h (sim_cpu_core): New data type contains cpu specific
1523         core data.
1524         * sim-base.h (CPU_CORE): Add cpu specific core data to cpu base
1525         type.
1526         * sim-core.c (sim_core_attach): Add CPU argument.  Ready for
1527         processor specific core maps.
1528         (sim_core_map_attach): Copy the core map data to each of the
1529         processor specific core data structures.
1530         * sim-core.c (sim_core_find_mapping): Update.
1531
1532         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Rename.
1533         (sim_core_write_aligned_N, sim_core_write_aligned_N): New names.
1534         (sim_core_write_unaligned_N, sim_core_write_unaligned_N): New
1535         alternatives that handle unaligned addresses.
1536         (sim_core_{read,write}_{,un}aligned_N): Drop SIM_DESC arg, replace
1537         with just CPU arg.
1538         * cgen-utils.c (sim_disassemble_insn): Update.
1539
1540 Mon May  5 13:19:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1541
1542         * sim-trace.h (TRACE_FPU_IDX): Add Floating-point specific
1543         tracing.
1544
1545         * sim-fpu.h, sim-fpu.c: New files - prototype for generic target
1546         fpu support.
1547
1548         * sim-inline.h, sim-inline.c: Add support for SIM_FPU.
1549
1550 Fri May  2 17:59:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1551
1552         * sim-core.c (sim_core_map_to_str): New function ascii equivalent
1553         to map type.
1554
1555         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Use in trace
1556         statement.
1557
1558 Fri May  2 17:28:02 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1559
1560         * cgen-trace.c: Prepend additional trace_printf argument.
1561
1562         * cgen-utils.c (sim_disassemble_insn): Add additional core
1563         arguments.
1564
1565 Fri May  2 11:40:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1566
1567         * nrun.c (main): Catch/report errorenous simulator states.
1568
1569         * sim-module.c: #include "libiberty.h" so that xmalloc is defined.
1570         * sim-trace.c: #include string.h/strings.h so that memset is
1571         defined.
1572         * sim-utils.c: Ditto.
1573         * sim-profile.c: Ditto. And stdlib.h.
1574         (print_bar): Only define when used by instruction or memory profiler.
1575
1576         * sim-options.c (standard_option_handler): Make ul more local.
1577
1578         * sim-load.c (sim_load_file): Make the name constant.
1579         (sim_load_file): Passify gcc.
1580
1581         * sim-utils.h: New file, pre-declare utilites in corresponding .c
1582         file.
1583         * sim-utils.c, sim-load.c: Include sim-utils.h.
1584
1585         * sim-base.h (sim_cpu): Pre define here so available to all.
1586
1587         * sim-core.h (DECLARE_SIM_CORE_WRITE_N, DECLARE_SIM_CORE_READ_N):
1588         Restore the sim_cpu and instruction_address arguments so that full
1589         information is available to the abort function.
1590         * sim-core.c (sim_core_find_mapping, sim_core_write_buffer): Ditto.
1591         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1592
1593         * sim-trace.h, sim-trace.c (trace_option_handler): Add interim
1594         tracing support for sim-events and sim-core.
1595         (trace_option_handler): Convert #if to if where possible so always
1596         compiled/checked by C compiler.
1597         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1598
1599         * sim-base.h: Adjust comment documenting how to define the cpu
1600         structure.
1601         (sim_state_base): Add sim_core and sim_events to simulator base
1602         object.
1603
1604         * sim-trace.h, sim-trace.c (trace_printf): Add SIM_DESC argument.
1605         * sim-core.c (sim_core_init, sim_core_attach,
1606         sim_core_find_mapping): Update.
1607         * sim-events.c (ETRACE, sim_events_init, sim_events_time,
1608         update_time_from_event, insert_sim_event,
1609         sim_events_schedule_after_signal, sim_events_deschedule,
1610         sim_events_tick): Ditto.
1611
1612         * sim-basics.h (sim-module.h, sim-trace.h, sim-profile.h,
1613         sim-model.h): Move #includes from here.
1614         * sim-base.h: To here.
1615         (sim-core.h, sim-events.h, sim-io.h): Include also
1616
1617 Wed Apr 30 15:37:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1618
1619         * callback.c (default_callback): Missing initialisers.
1620
1621 Thu May  1 10:40:47 1997  Doug Evans  <dje@canuck.cygnus.com>
1622
1623         * sim-utils.c (sim_add_commas): New function.
1624         * sim-basics.h (sim_add_commas): Add prototype.
1625         * cgen-scache.c (scache_print_profile): Print commas in numbers.
1626         * sim-profile.c (COMMAS): New macro.
1627         (print_*): Use it to print commas in numbers.
1628
1629         * configure: Regenerated.
1630
1631         * cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
1632         (cgen_state): New member run_fast_p.
1633         (cgen_init): Add prototype.
1634         (sim_disassemble_insn): New arg `cpu'.
1635         * cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
1636         * cgen-utils.c (cgen_init): New function.
1637         (sim_disassemble_insn): New arg `cpu'.  Rewrite fetching of insn.
1638         * genmloop.sh: Call engine_halt if loop exits.
1639
1640         * Makefile.in (sim-options_h): Define.
1641         (sim-{module,options,trace,profile,utils}.o): Clean up dependencies.
1642         (sim-model.o): Add new rule.
1643         (cgen-{scache,trace,utils}.o): Add new rules.
1644         * aclocal.m4 (SIM_AC_OPTION_{SCACHE,DEFAULT_MODEL}): Add.
1645         * cgen-scache.c (scache_print_profile): Change `sd' arg to `cpu'.
1646         Indent output by 2 spaces.
1647         * cgen-scache.h (scache_print_profile): Update.
1648         * cgen-trace.c (trace_insn_fini): Indent output by 2 spaces.
1649         Use trace_printf, not fprintf.
1650         (trace_extract): Use trace_printf, not cgen_trace_printf.
1651         * genmloop.sh (!FAST case): Increment `insn_count'.
1652         * sim-base.h (sim_state_base): Only include scache_size if WITH_SCACHE.
1653         (sim_cpu_base): Rename member `sd' to `state' to be consistent with
1654         access macro's name.
1655         * sim-core.c (sim_core_init): Use EXTERN_SIM_CORE to define it.
1656         Change return type to SIM_RC.
1657         (sim_core_{install,uninstall}): New functions.
1658         * sim-core.h (sim_core_{install,uninstall}): Declare.
1659         (sim_core_init): Use EXTERN_SIM_CORE to define it.
1660         Change return type to SIM_RC.
1661         * sim-model.h (models,machs,model_install): Declare.
1662         * sim-module.c (modules): Add scache_install, model_install.
1663         (sim_post_argv_init): Set cpu->state backlinks.
1664         * sim-options.c (standard_options): Delete --simcache-size,--max-insns.
1665         (standard_option_handler): Likewise.
1666         * sim-profile.c (PROFILE_{HISTOGRAM,LABEL}_WIDTH): Move to
1667         sim-profile.h.
1668         (*): Assume ANSI C.
1669         (profile_options): Delete --profile-simcache.
1670         (profile_option_handler): Likewise.
1671         (profile_print_insn): Change `sd' arg to `cpu'.  Indent output 2
1672         spaces.
1673         (profile_print_{memory,model}): Likewise.
1674         (profile_print_simcache): Delete.
1675         (profile_print_speed): New function.
1676         (profile_print): Rewrite.
1677         * sim-profile.h (PROFILE_scache): Renamed from PROFILE_simcache.
1678         (WITH_PROFILE_SCACHE_P): Renamed from WITH_PROFILE_SIMCACHE_P.
1679         (PROFILE_DATA): Delete members simcache_{hits,misses}.
1680         (PROFILE_COUNT_SIMCACHE_{HIT,MISS}): Delete.
1681         (PROFILE_{CALLBACK,CPU_CALLBACK}): New types.
1682         (profile_print): Update prototype.
1683
1684 Wed Apr 30 11:34:14 1997  Doug Evans  <dje@canuck.cygnus.com>
1685
1686         * cgen-scache.[ch], cgen-sim.h: New files.
1687         * cgen-trace.[ch], cgen-types.h, cgen-utils.c, genmloop.sh: New files.
1688         * sim-model.c: New file.
1689
1690         * Make-common.in (clean targets): Undo patch of Apr. 22.
1691
1692 Fri Apr 25 15:28:32 1997  Mike Meissner  <meissner@cygnus.com>
1693
1694         * sim-n-bits.h (signed): If we have a standard compiler, undef
1695         signed, so that signedN is defined correctly.
1696
1697 Thu Apr 24 00:00:07 1997  Doug Evans  <dje@canuck.cygnus.com>
1698
1699         * sim-module.h, sim-model.h, sim-profile.h: New files.
1700         * sim-module.c, sim-profile.c: New files.
1701         * Make-common.in (SIM_PROFILE): Define
1702         (CONFIG_CFLAGS): Add $(SIM_PROFILE).
1703         (sim_main_headers): Add sim-module.h, sim-model.h, sim-profile.h.
1704         (sim_module.o,sim-profile.o): Add rules for.
1705         * aclocal.m4 (--enable-sim-trace): Allow symbolic arguments.
1706         (--enable-sim-profile): Add.
1707         * configure: Regenerated.
1708         * sim-base.h (sim_state_base): New members init_list, uninstall_list,
1709         model.  Move trace and profile support to sim-{trace,profile}.h.
1710         New members trace_data, profile_data.
1711         * sim-basics.h: #include sim-module.h, sim-model.h, sim-profile.h.
1712         * sim-config.h: Provide default definition of WITH_PROFILE.
1713         (WITH_TRACE): Change default to -1.
1714         (MAX_NR_PROCESSORS): Always define.
1715         * sim-options.c: Move trace and profile support to
1716         sim-{trace,profile}.h.
1717         (sim_pre_argv_init): Moved to sim-model.c.
1718         (standard_install): New function.
1719         * sim-options.h (sim_pre_argv_init): Move decl to sim-model.c.
1720         (standard_install): Declare.
1721         * sim-trace.c: Tracing option handling moved here from sim-options.c.
1722         (trace_install, trace_uninstall): New functions.
1723         (trace_printf): Update reference to TRACE_FILE.
1724         * sim-trace.h (TRACE_FOO_IDX): Moved here from sim-base.h.
1725         (TRACE_foo): Bit masks for symbolic arguments to --enable-sim-trace.
1726         (WITH_TRACE_FOO_P): Define.
1727         (trace_install): Declare.
1728         (TRACE_DATA): New struct.
1729
1730 Wed Apr 23 17:23:15 1997  Doug Evans  <dje@canuck.cygnus.com>
1731
1732         * run.c: Undo last exec_bfd patch.
1733         (main): Only pass -E ifdef SIM_HAVE_BIENDIAN.
1734
1735 Wed Apr 23 17:54:27 1997  Mike Meissner  <meissner@cygnus.com>
1736
1737         * run.c (exec_bfd): Add back in.
1738         (main): Set exec_bfd.
1739
1740 Tue Apr 22 14:43:46 1997  Doug Evans  <dje@canuck.cygnus.com>
1741
1742         * sim-load.c (sim_load_file): #include <stdio.h> for NULL.
1743
1744 Wed Apr 23 02:55:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1745
1746         * sim-events.c (insert_sim_event): Call sim_io_error instead of
1747         less well defined engine_error.
1748         * sim-core.c: Ditto.
1749
1750 Tue Apr 22 08:48:16 1997  Stu Grossman  (grossman@critters.cygnus.com)
1751
1752         * Make-common.in:  Change clean targets to use :: so that other
1753         Makefiles can have their own clean targets.
1754         * sim-load.c (xprintf eprintf):  Use ANSI_PROTOTYPES instead of
1755         __STDC__ to control use of stdarg vs. varargs syntax.  Some
1756         systems can't use __STDC__, but require stdarg.
1757
1758 Fri Apr 18 11:14:43 1997  Doug Evans  <dje@canuck.cygnus.com>
1759
1760         * sim-options.c (standard_options): Add --endian.
1761         (standard_option_handler): Likewise.
1762
1763         * nrun.c: #include <signal.h>.
1764         (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1765         handler that calls sim_stop ().
1766
1767 Fri Apr 18 13:11:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1768
1769         * run.c (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1770         handler that calls sim_stop ().  Simulators may still be
1771         establishing their own handler.
1772
1773         * sim-events.c (sim_events_poll): Rename from
1774         sim_events_at_large_int.  Poll IO.
1775
1776         * sim-io.c (sim_io_poll_quit): New function - pass on a polling
1777         request.
1778
1779         * callback.c (os_poll_quit): New function poll for quit signal
1780         where needed.
1781         (default_callback): Include magic number.
1782
1783 Thu Apr 17 02:25:11 1997  Doug Evans  <dje@canuck.cygnus.com>
1784
1785         * aclocal.m4: Check for headers time.h, sys/time.h, sys/resource.h.
1786         Check for functions getrusage, time.
1787         * sim-basics.h (SIM_ELAPSED_TIME): New typedef.
1788         (sim_elapsed_time_get, sim_elapsed_time_since): Add prototypes.
1789         * sim-utils.c: #include time.h, sys/time.h, sys/resource.h if able.
1790         (sim_elapsed_time_get, sim_elapsed_time_since): New functions.
1791
1792         * sim-utils.c (sim_copy_argv, sim_analyze_program): New functions.
1793
1794         * sim-options.c, sim-options.h: New files.
1795         * sim-config.h (WITH_DEBUG): Provide default value of zero.
1796         * Make-common.in (nrun.o): Add rules for.
1797         * nrun.c: New file.
1798
1799         * run.c (main): Check return value of sim_open.
1800
1801         * Make-common.in (sim-options.o, sim-load.o, sim-trace.o): Add rules.
1802         (sim_main_headers): Add sim-trace.h.
1803         * run.c (exec_bfd, target_byte_order): Delete.
1804         (main): Pass -E <endian> to sim_open.  Delete code to load sections,
1805         call sim_load instead.  Check return code of sim_create_inferior.
1806         * sim-base.h (CURRENT_STATE): Define.
1807         (sim_state_base): Make typedef.  New members options, prog_argv,
1808         prog_bfd, text_{section,start,end}, start_addr, simcache_size,
1809         mem_size, memory [+ corresponding access macros].
1810         (sim_cpu_base): New typedef.
1811         * sim-trace.h: New file.
1812         * sim-trace.c: New file.
1813         * sim-basics.h: #include it.
1814         * sim-load.c: New file.
1815
1816 Tue Apr 15 15:10:13 1997  Ian Lance Taylor  <ian@cygnus.com>
1817
1818         * Make-common.in (INSTALL): Set to @INSTALL@.
1819         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1820         (install-common): Depend upon installdirs.  Use
1821         $(program_transform_name) directly, rather than using
1822         $(INSTALL_XFORM).
1823         (installdirs): New target.
1824         * Makefile.in (INSTALL): Set to @INSTALL@.
1825         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1826         (install-man): Depend upon installdirs.  Use
1827         $(program_transform_name) directly, rather than using
1828         $(INSTALL_XFORM).
1829         (installdirs): New target.
1830
1831 Tue Apr 15 15:08:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1832
1833         * sim-assert.h (SIM_ASSERT, ASSERT): Allow these macros to
1834         be overriden.
1835
1836 Wed Apr  9 16:06:44 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1837
1838         * sim-basics.h: Only bring in config.h and tconfig.h if
1839         HAVE_CONFIG_H.
1840
1841 Mon Apr  7 11:39:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1842
1843         * sim-config.h (WITH_TARGET_WORD_MSB): New Macro. Define the bit
1844         numbering convention of the target.
1845         * sim-config.c (print_sim_config): Print WITH_TARGET_WORD_BITSIZE
1846         and WITH_TARGET_WORD_MSB.
1847         (sim_config): When possible, check for consistency with bitsize
1848         and msb.
1849
1850         * sim-bits.h: Allow MSB to be other than zero.
1851         * sim-bits.c: Ditto.
1852         * sim-n-bits.h: Ditto.
1853
1854         * sim-bits.h (MSMASK*): New macros - converce to LSMASK*.
1855         * sim-n-bits.h (MSMASKEDn): Ditto.
1856
1857 Mon Apr 14 16:29:21 1997  Ian Lance Taylor  <ian@cygnus.com>
1858
1859         * Makefile.in (INSTALL): Change install.sh to install-sh.
1860
1861 Mon Apr  7 10:46:38 1997  Doug Evans  <dje@canuck.cygnus.com>
1862
1863         * sim-base.h (sim_state_base): Move `magic' to end of struct.
1864
1865 Mon Apr  7 15:53:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1866
1867         * run.c (main): Check that a program to run was specified.
1868
1869 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1870
1871         * aclocal.m4 (AC_TYPE_SIGNAL): Add check.
1872
1873         * configure: Regenerated to track ../common/aclocal.m4 changes.
1874         * config.in: Ditto.
1875
1876 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
1877
1878         * sim-endian.h: Move host {LITTLE,BIG}_ENDIAN support from here,
1879         * sim-config.h: To here.
1880
1881         * Make-common.in (SIM_EXTRA_DEPS): New config var.
1882         (sim_main_headers): Define.
1883         (sim-*.o): Depend on $(SIM_EXTRA_DEPS).
1884         (BUILT_SRC_FROM_COMMON): Move here from ../d30v/Makefile.in.
1885         (clean): Use it.
1886         (sim-utils.o): Add rule for.
1887         * sim-utils.o: New file.
1888         * sim-basics.h: #include sim-base.h.
1889         (zalloc): Make argument unsigned long.
1890         * sim-base.h: New file.
1891         * sim-inline.h (SIM_IO support): Delete.
1892         * sim-io.h: Delete inline support.
1893         * sim-io.c: Likewise.  sim-state.h renamed to sim-main.h.
1894         * sim-config.c: sim-state.h renamed to sim-main.h.
1895         * sim-core.c: Likewise.
1896         * sim-events.c: Likewise.
1897
1898         * run.c (main): Pass SIM_OPEN_STANDALONE to sim_open.
1899
1900         * aclocal.m4: Check for stdlib.h, string.h, strings.h, unistd.h.
1901         (sim-debug): Allow arguments.  Define WITH_DEBUG in addition to
1902         -DDEBUG.
1903         * configure: Regenerated to track ../common/aclocal.m4 changes.
1904
1905 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1906
1907         * configure: Regenerated to track ../common/aclocal.m4 changes.
1908
1909 Wed Apr  2 11:08:11 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1910
1911         * sim-config.h (WITH_ALIGNMENT, WITH_FLOATING_POINT,
1912         WITH_XOR_ENDIAN, WITH_SMP, WITH_RESERVED_BITS): Assume that these
1913         are defined by the configure.
1914
1915         * aclocal.m4 (sim-stdio): Add option stdio from ../ppc configure.
1916
1917         * aclocal.m4 (floating-point, xor-endian, alignment, smp,
1918         reserved-bits): Always define.
1919
1920         * sim-config.h, sim-config.c (sim_config): New function - and new
1921         file - co-ordinate the setting/checking of the common simulator
1922         configuration options.
1923
1924         * Make-common.in (sim-config.o): Add rule.
1925
1926 Fri Mar 28 15:32:00 1997  Mike Meissner  <meissner@cygnus.com>
1927
1928         * callback.c (os_{,e}vprintf_filtered): Change stdarg type to
1929         va_list from void *, since va_list might not be a pointer type.
1930
1931 Mon Mar 24 15:27:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1932
1933         * sim-n-endian.h (offset_N): Correct assertion - word and sub word
1934         in wrong order.
1935         (offset_N): Correct computation of LE offset.
1936
1937         * sim-io.c (sim_io_error): Include a new line when reporting
1938         errors.
1939
1940         * sim-assert.h (SIM_FILTER_PATH): Out by one when locating last
1941         `/'.
1942
1943 Thu Mar 20 22:31:06 1997  Jeffrey A Law  (law@cygnus.com)
1944
1945         * run.c: Include alloca-conf.h.
1946
1947         * callback.c (os_evprintf_filtered): Fix typo.
1948
1949 Fri Mar 21 13:36:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1950
1951         * run.c (string.h, strings.h, stdlib.h): Include.
1952
1953         * sim-events.c (sim_events_tick): Recent cleanup failed to return
1954         0 when nothing pending.
1955
1956         * run.c (sim_size, sim_trace): Plicate GCC - these two functions
1957         will soon be going away.
1958         (getopt): Plicate GCC.
1959
1960         * sim-endian.c (sim-io.h): Plicate GCC.
1961         * sim-bits.c (sim-io.h): Ditto.
1962         * sim-n-bits.h (ROTn): Ditto.
1963
1964         * sim-io.c (sim_io_error): Correct check for NULL.
1965
1966         * sim-assert.h (SIM_FILTER_PATH): Separate out the code filtering
1967         the __FILE__.
1968         * sim-events.c: Use SIM_FILTER_PATH to filter out the filename
1969         path.
1970
1971 Wed Mar 19 01:12:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1972
1973         * aclocal.m4 (SIM_AC_OPTION_*: Move so that they are outside of
1974         SIM_AC_COMMON - SIM_AC_COMMON was gobling arguments.
1975
1976 Tue Mar 18 20:48:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1977
1978         * sim-alu.h: Include sim-xcat.h.
1979
1980 Tue Mar 18 13:58:18 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1981
1982         * Make-common.in (sim-bits.c, sim-core.c, sim-endian.c,
1983         sim-events.c, sim-inline.c, sim-io.c): Define rules for building
1984         these.
1985
1986         * sim-events.c (sim_events_at_large_int): New function.  Just
1987         schedules an event every large-int ticks.
1988         (sim_events_init): Call.
1989         (sim_events_tick, sim_events_process): Move async handing to
1990         sim_events_process.  Move timer decrement so that it occures after
1991         events have been processed.
1992
1993         * sim-basics.h (struct _engine): Remove declaration.
1994
1995         * sim-events.h, sim-events.c: Rename type to sim_events.  Prefix
1996         everything with same.  Rename global struct to SIM_DESC.
1997         * sim-core.h, sim-core.c, sim-n-core.c: Ditto for sim_core.
1998         * sim-io.h, sim-io.c: Ditto.
1999
2000         * sim-assert.h: New file. Optional assertion checking macros.
2001         * sim-io.c (sim_io_error): Make just this function tolerant to
2002         null pointers.
2003
2004         * sim-xcat.h: New file. Define concatenate macros.
2005         * sim-basics.h (XCONCAT*): Move to sim-xcat.h.
2006         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Explicitly include
2007         concat macros.
2008
2009
2010 Tue Mar 18 12:44:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2011
2012         * sim-bits.h (LSMASK): New macro. Create mask of LS bits.
2013
2014 Mon Mar 17 18:10:05 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2015
2016         * sim-inline.h: Add definitions for sim-types.
2017         (ALL_BY_MODULE): New macro, encapsulate full inlining by the
2018         module.
2019
2020 Mon Mar 17 15:38:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2021
2022         * sim-events.h: Remove defunct reference to callback struct.
2023
2024 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2025
2026         * configure: Re-generate.
2027
2028 Mon Mar 17 15:04:47 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2029
2030         * Make-common.in (CSEARCH): Do not include the gdb directory in
2031         the search path.
2032
2033 Mon Mar 17 13:16:26 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2034
2035         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
2036         SIM_WARNING): Drop, requiring the simulator specific Makefile.in
2037         to explicitly incorporate these.
2038
2039         * aclocal.m4 (--enable-sim-alignment); New option. Strongly
2040         specify the alignment restrictions of the target architecture -
2041         without this option all alignment restrictions are accomodated.
2042         (--enable-sim-assert): New option.  Conditionally compile in
2043         assertion statements.
2044         (--enable-sim-float): New option. Strongly specify the target's
2045         floating point support.
2046         (--enable-sim-hardware): New option.  Specify the hardware devices
2047         included in the simulation.
2048         (--enable-sim-packages): New option.  Specify the hardware
2049         packages included in the simulation.
2050         (--enable-sim-regparm): New option.  Specify that parameters be
2051         passed in registers instead of on the stack.
2052         (--enable-sim-reserved-bits): New option. Specify that reserved
2053         bits within an instruction are are correctly set.
2054         (--enable-sim-smp): New option. Specify the level of SMP support
2055         to be included in the simulator.
2056         (--enable-sim-stdcall): New option.  Specify an alternative
2057         function call convention.
2058         (--enable-sim-xor-endian): New option.  Configure xor-endian
2059         support used by some targets to implement bi-endian support.
2060
2061 Fri Mar 14 19:51:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2062
2063         * aclocal.m4 (--enable-sim-hostendian): New option.  Allow the
2064         host endianness to be overridden.
2065         (--enable-sim-endian): Allow the target platform's byte order
2066         to be overridden.
2067         (--enable-sim-inline): Control the inlining of common components.
2068         (--enable-sim-bswap): For compatibility, also define WITH_BSWAP.
2069         (--enable-sim-warnings): Enable additional GCC compiler checks.
2070         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
2071         SIM_WARNINGS): Add.
2072
2073         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Rename from
2074         sim-*-n.h so that the names are uniq on dos machines
2075         * sim-core.c, sim-bits.c, sim-endian.c: Update.
2076
2077 Thu Mar 13 12:32:42 1997  Doug Evans  <dje@canuck.cygnus.com>
2078
2079         * run.c: #include "libiberty.h".
2080         (main): New locals sd,no_args,sim_argv.
2081         Run buildargv on -a option.  Pass argv to sim_open, argv[0]
2082         is program name.  Update call to sim_set_callbacks.
2083         Record result of sim_open, pass to other sim_foo routines.
2084
2085 Thu Mar 13 10:24:05 1997  Michael Meissner  <meissner@cygnus.com>
2086
2087         * callback.c (os_printf_filtered): Do not call exit(1) or print a
2088         final newline.
2089
2090 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2091
2092         * callback.c: Add os_flush_stdout and vprintf_filtered callbacks.
2093         Route stdout through buffered IO.
2094
2095         * callback.c: Add os_flush_stderr, os_write_stderr,
2096         os_evprintf_filtered functions to route error output through
2097         stderr.
2098
2099         * sim-io.h, sim-io.c (sim_io_flush_stderr, sim_io_flush_stdout):
2100         Correct return type - should be void.
2101
2102 Fri Mar  7 20:14:37 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2103
2104         * sim-basics.h: Clean up.  Many macro's moved to sim-inline.h.
2105
2106         * sim-config.h: Ditto.  For some options - eg WITH_DEVICES - do
2107         not provide a default value as undefined indicates disable code.
2108
2109 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2110
2111         * sim-core.h, sim-core-n.h, sim-core.c: Borrow code from ppc
2112         directory.
2113         * sim-events.h, sim-events.c: Ditto.
2114         * sim-io.h, sim-io.c: Ditto.
2115
2116 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2117
2118         * sim-alu.h (ALU_SUB_CA, ALU*_SUB_CA): New alu operation.
2119
2120         * sim-bits.h, sim-bits-n.h, sim-bits.c (LSMASKED*): New macro's
2121         extract the tail or least signifiant bits from an integer of the
2122         specified size.
2123
2124         * sim-bits.h, sim-bits.c: Clean up conditionally compiled #if
2125         WITH_TARGET_BITSIZE so that the compilation will fail when an
2126         unsupported bitsize value is defined.
2127
2128         (INSERTED*): Convert to functions.
2129         (EXTRACTED*): Ditto.
2130
2131         (SIGN_EXTEND, SEXT): Change to more terse name.
2132
2133 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2134
2135         * sim-inline.h: Allow explicit control over which .c files will be
2136         included by their header.
2137
2138         * sim-inline.h: Allow explicit control over which .c files use the
2139         alternative - REGPARM - parameter passing mechanism.
2140
2141         * sim-inline.h, sim-inline.c: Don't attempt to include any of
2142         icache.c, idecode.c, semantics.c or support.c.  Those names are
2143         not generally applicable.
2144
2145 Thu Feb 27 10:17:23 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2146
2147         * sim-bits.c, sim-bits-n.h (new): Split sim-bits.c into two parts
2148         in a fashion similar to sim-endian-n.
2149
2150         * sim-endian.h: (H_word, L_word, AL_*, VL_*): Extend to include
2151         both value and address macro's.
2152
2153 Tue Feb 25 18:51:57 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2154
2155         * sim-alu.h (ALU16_BEGIN, ALU16_SET, ...): Fill in.
2156
2157         * sim-endian.h (L_word, H_word): Replace MS2W_4, LS2W_4 with more
2158         generic L_word, H_word macro's.
2159
2160 Thu Feb 20 18:36:55 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2161
2162         * sim-basics.h: Borrow code from ppc directory.
2163         * sim-bits.c: Ditto.
2164         * sim-bits.h: Ditto.
2165         * sim-config.h: Ditto.
2166         * sim-endian-n.h: Ditto.
2167         * sim-endian.c: Ditto.
2168         * sim-endian.h: Ditto.
2169         * sim-inline.c: Ditto.
2170         * sim-inline.h: Ditto.
2171         * sim-types.h: Ditto.
2172
2173 Wed Feb 19 12:40:50 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2174
2175         * sim-alu.h (ALU_SET16, ALU_SET32, ALU_SET64, etc): Make available
2176         all the ALU size alternatives and then auto-configure a default.
2177
2178         * sim-alu.h: Copy ppc/idecode_expression.h.
2179
2180 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2181
2182         * bits.h, bits.c (SIGN_EXTEND32, SIGN_EXTEND64): New functions,
2183         sign extend a bit within a value.
2184
2185         * sim-endian.h, sim-endian-n.h (offset_N): New functions - return
2186         a pointer into the middle of a host word.
2187         * sim-endian.h (MS2W_4, LS2W_4): Use this function.
2188
2189 Tue Feb 11 13:46:49 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
2190
2191         * callback.c: If HAVE_CONFIG_H is defined, include config.h from
2192         autoconf.  If HAVE_UNISTD_H is defined, include unistd.h to get
2193         appropriate definitions of read, write, etc.  Add prototype for
2194         system.
2195
2196 Tue Feb  4 13:24:44 1997  Doug Evans  <dje@canuck.cygnus.com>
2197
2198         * Makefile.in (libcommon.a): Delete.
2199         (callback.o,targ-map.o): Delete, moved to Make-common.in.
2200         (gentmap,targ-vals.h,targ-map.c): Likewise.
2201         (run-autoconf): Delete.
2202         * aclocal.m4 (SIM_AC_OUTPUT): Redo creation of Makefile.
2203         (common makefile fragment): Moved back into ...
2204         * Make-common.in: Resurrect.
2205         * configure.in (AC_LINK_FILES): Delete, unnecessary now.
2206         * configure: Regenerated.
2207
2208 Fri Jan 31 07:16:49 1997  Doug Evans  <dje@canuck.cygnus.com>
2209
2210         * aclocal.m4 (SIM_AC_COMMON): Move COMMON_MAKEFILE_FRAG from here.
2211         (SIM_AC_OUTPUT): To here.
2212
2213 Fri Jan 24 10:37:17 1997  Stu Grossman  (grossman@critters.cygnus.com)
2214
2215         * aclocal.m4 (COMMON_MAKEFILE_FRAG):  Quote a couple of $'s in
2216         comments and single quotes.  Fixes a problem found on hpux.
2217
2218 Thu Jan 23 13:35:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
2219
2220         * aclocal.m4:  Remove Make-common.in from dependencies.
2221         * (distclean):  Remove targ-vals.def.
2222
2223         * aclocal.m4 (SIM_AC_COMMON):  Move contents of Make-common.in
2224         into here.  Makes insertion into makefiles easier.  Also, change
2225         the way that callback.o, gentmap, targ-vals.h, targ-map.c,
2226         targ-map.o, and run are built.  They are now built in the
2227         individual simulator directories, taking sources from ../common as
2228         necessary.  This replaces the merging of libcommon.a into
2229         linsim.a, which was problematic for the WinGDB build process.
2230         * run.c:  Include config.h from . instead of ../common.
2231         * Make-common.in:  Remove.  It's no longer necessary.
2232
2233 Mon Dec 16 15:02:33 1996  Ian Lance Taylor  <ian@cygnus.com>
2234
2235         * Make-common.in (ALL_CLAGS): Put CFLAGS at the end.
2236         (.c.o): Put $(ALL_CFLAGS) before the file being compiled.
2237
2238 Wed Dec 11 11:30:58 1996  Jim Wilson  <wilson@cygnus.com>
2239
2240         * run.c (main): Set target_byte_order before call to sim_open.
2241
2242 Sun Dec  8 18:22:06 1996  Doug Evans  <dje@canuck.cygnus.com>
2243
2244         * callback.c: #include <stdlib.h>
2245         (os_error): New function.
2246         (default_callback): Add os_error.
2247
2248 Mon Nov 25 19:44:35 1996  Doug Evans  <dje@canuck.cygnus.com>
2249
2250         * Make-common.in (Makefile): Set CONFIG_HEADERS="".
2251         * aclocal.m4: Mark the fact that --enable-sim-bswap isn't host
2252         specific.
2253         (SIM_AC_OUTPUT): Don't build Makefile if CONFIG_FILES="".
2254
2255 Wed Nov 20 01:11:04 1996  Doug Evans  <dje@canuck.cygnus.com>
2256
2257         * run.c: #include ../common/config.h, tconfig.h.
2258         (myname): New static global.
2259         (main): Recognize new options -a, -c.  Also recognize -h if h8/300.
2260         Only process -c ifdef SIM_HAVE_SIMCACHE.
2261         Only process -p/-s ifdef SIM_HAVE_PROFILE.
2262         Parse program name from argv[0] and use in error messages.
2263         Pass sim_args to sim_open.  Pass prog_args to sim_create_inferior.
2264         Add support for incomplete h8/300 termination indicators.
2265         (usage): Make more verbose.
2266         * aclocal.m4,config.in,tconfig.in,configure.in,configure: New files.
2267         * Makefile.in,Make-common.in,callback.c: New files.
2268         * nltvals.def,gentmap.c,gentvals.sh: New files.
2269
2270 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
2271
2272         * run.c: Include stdarg.h if __STDC__.
2273
2274 Tue Oct 15 11:16:31 1996  Jeffrey A Law  (law@cygnus.com)
2275
2276         * run.c (main): Don't print out anything if the signal
2277         number is zero (ie no signal).
2278
2279 Tue Oct 15 11:20:44 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2280
2281         * run.c (main): Print out if the program raised a signal.
2282
2283 Wed Sep 18 09:52:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2284
2285         * run.c (exec_bfd): Rename from sim_bfd, to use the gdb name.
2286         (main): Ditto.
2287
2288 Tue Sep 17 11:04:50 1996  James G. Smith  <jsmith@cygnus.co.uk>
2289
2290         * run.c (main): Explicitly cast malloc() parameter.
2291
2292 Thu Sep 12 11:27:21 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2293
2294         * run.c (sim_bfd): New global to hold the bfd pointer for the
2295         executable.
2296         (main): Initialize sim_bfd.
2297
2298 Fri Dec 15 16:27:49 1995  Ian Lance Taylor  <ian@cygnus.com>
2299
2300         * run.c (main): Use new bfd_big_endian macro.
2301
2302 Wed Nov  8 15:49:49 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
2303
2304         * run.c (main): Removed SH specific comments, so source is
2305         generic. Also updated to only load relevant sections. Moved
2306         sim_open() to after callback attach (to match GDB).
2307
2308         * run.1: Removed SH specific comments.
2309
2310 Sat Oct 21 12:31:01 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
2311
2312         * run.c (main): Always return sigrc at end.
2313
2314 Tue Oct 10 12:03:13 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
2315
2316         * run.c (main): Print error diagnostic and exit if bfd_openr() or
2317         bfd_check_format() fails.
2318
2319 Thu Sep 28 15:40:36 1995  steve chamberlain  <sac@slash.cygnus.com>
2320
2321         * run.c, run.1: From sh directory.
2322
2323