sim/common/ChangeLog

   1 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4         * aclocal.m4: Recognize --enable-maintainer-mode.
   5
   6 Mon Jan 19 12:45:45 1998  Doug Evans  <devans@seba.cygnus.com>
   7
   8 start-sanitize-cygnus
   9         * Make-common.in (cgen-{arch,cpu,decode}): New targets.
  10         * cgen.sh: New file.
  11 end-sanitize-cygnus
  12         * cgen-scache.h: Deleted.
  13         * Make-common.in (cgen-run.o,cgen-scache.o): Delete cgen-scache.h dep.
  14         (CGEN_CPU_SCM): Add sim-model.scm.
  15         * cgen-scache.c: Only compile contents if WITH_SCACHE.
  16         (scache_init): Use runtime computed size of SCACHE.
  17         (scache_flush): Likewise.
  18         * cgen-mem.h (GETIMEMU[QHSD]I): Declare.
  19         ([GS]ETT{QI,UQI,HI,UHI,SI,USI,DI,UDI}): Declare.
  20         * cgen-sim.h: Scache support moved here.
  21         (PC): Redo definition.
  22         (ARGBUF,SCACHE,PARALLEL_EXEC): Provide forward decls.
  23         (DECODE): Add parallel execution support.
  24         Only include semantic label members if using switch.
  25         (SWITCH,CASE,BREAK,DEFAULT,ENDSWITCH): Portable computed goto support.
  26         (CGEN_CPU): Delete members exec_state, halt_sigrc, halt_jmp_buf.
  27         (IADDR,CIA,SEM_ARG,EX_FN_NAME,SEM_FN_NAME,RECORD_IADDR,SEM_ARGBUF,
  28         SEM_NEXT_PC,SEM_BRANCH_VIA_{CACHE,ADDR},SEM_NEW_PC_ADDR): Moved here
  29         from cgen-types.h.
  30         (engine_{stop,run,resume,halt,signal}): Delete decls.
  31         * cgen-types.h (CGEN_{XCAT3,CAT3}): Delete.
  32         (argbuf,scache): Delete forward decls.
  33         (STATE): Delete decl.
  34         * cgen-utils.c: Don't include decode.h, mem-ops.h, sem-ops.h.
  35         Include cgen-mem.h, cgen-ops.h.
  36         (engine_halt,engine_signal): Delete.
  37         ({ex,exc,sem,semc}_illegal): Delete.
  38         (sim_disassemble_insn): Result of extract fn is in bits.
  39         * genmloop.sh: Rewrite.
  40
  41         * cgen-trace.c (trace_insn): Set printed_result_p=0 if not tracing
  42         line numbers.
  43
  44         * sim-base.h (sim_state_base): Delete member `model'.
  45         (sim_cpu_base): Add member `model'.
  46         * sim-model.h (IMP_PROPERTIES): New type.
  47         (MACH): New members imp_props, models.
  48         (models): Delete decl.
  49         * sim-model.c (set_model): Update.
  50         * sim-profile.c (profile_print_model): Update.
  51
  52         * sim-utils.c (sim_state_alloc): Delete setting of cpu backlink here.
  53
  54 Fri Jan 16 12:33:09 1998  Nick Clifton  <nickc@cygnus.com>
  55
  56         * cgen-trace.c (trace_insn): Call CGEN_INSN_MNEMONIC() rather than
  57         CGEN_INSN_SYNTAX().
  58
  59 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  60
  61         * configure: Regenerated to track ../common/aclocal.m4 changes.
  62         * config.in: Ditto.
  63
  64 Mon Dec 15 23:16:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  65
  66         * aclocal.m4 (AR): Check for sigaction.
  67
  68 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  69
  70         * Make-common.in (sim-core.o): Depend on $(sim_main_headers).
  71
  72         * sim-config.h (WITH_TREE_PROPERTIES): Define as 0.
  73         * sim-config.c (sim_config): Replace WITH_DEVICES with
  74         WITH_TREE_PROPERTIES.
  75
  76         * configure: Regenerated to track ../common/aclocal.m4 changes.
  77
  78 Wed Dec  3 17:56:02 1997  Doug Evans  <devans@canuck.cygnus.com>
  79
  80         * Make-common.in (SIM_ENVIRONMENT): New variable.
  81         (CONFIG_CFLAGS): Add it.
  82         * aclocal.m4 (SIM_AC_OPTION_ENVIRONMENT): Handle
  83         --enable-sim-environment option.
  84         * configure: Regenerated.
  85         * sim-config.h (environment support): Rewrite.
  86         * sim-config.c (current_environment): Define as enum, unconditionally.
  87         (current_alignment): Define unconditionally.
  88         (config_environment_to_a): Update.
  89         (config_alignment_to_a): Fix type of argument.  Define unconditionally.
  90         (sim_config): Handle environment and alignment determination
  91         unconditionally.  Delete sanity checks of current_environment,
  92         unnecessary.
  93         (print_sim_config): Update.
  94         * sim-options.c (STANDARD_OPTIONS enum): Add OPTION_ENVIRONMENT.
  95         (standard_options): Add --environment.
  96         (standard_option_handler): Likewise.
  97
  98 Fri Nov 28 12:21:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  99
 100         * sim-alu.h: Add notes on carry vs borrow for subtraction.
 101         (ALU{,8,16,32,64}ADD): Redefine ADD macro as add overflowing.
 102         (ALU{,8,16,32,64}ADDC): Define - add carrying.
 103         (ALU{,8,16,32,64}SUB): Redefine SUB macro as subtract overflowing.
 104         (ALU{,8,16,32,64}SUBB): Define - subtract borrowing.
 105         (ALU{,8,16,32,64}SUBC): Define - tract carrying.
 106         (ALU{,8,16,32,64}ADD_CA, ALU{,8,16,32,64}ADDC_C): Replace single
 107         argument ADD_CA macro with two argument ADDC_C - add carrying with
 108         carry in.
 109         (ALU{,8,16,32,64}SUB_CA, ALU{,8,16,32,64}SUBC_X): Replace single
 110         argument SUB_CA macro with two argument SUBC_X - subtract
 111         carrying, extended.
 112         (ALU{,8,16,32,64}SUBB_B): Define - subtract borrowing with
 113         borrow-in.
 114         (ALU{,8,16,32,64}NEGC, ALU{,8,16,32,64}NEGB): Define.
 115
 116 Sun Nov 30 17:40:57 1997  Michael Meissner  <meissner@cygnus.com>
 117
 118         * sim-io.c (sim_io_{syscalls,getstring}): Delete.  No longer used.
 119         * sim-io.h (sim_io_syscalls): Delete.
 120
 121 Fri Nov 28 20:10:09 1997  Michael Meissner  <meissner@cygnus.com>
 122
 123         * syscall.c (cb_syscall): Add missing else, so write to stdout
 124         isn't doubled.
 125
 126         * sim-alu.h (ALU{,8,16,32,64}_SET_CARRY): Provide macros to import
 127         the carry bit from the CPU's psw.
 128
 129 Fri Nov 28 11:15:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 130
 131         * gennltvals.sh: Redo syscall support.
 132         * nltvals.def: Regenerated.
 133
 134 Wed Nov 26 16:49:38 1997  Michael Meissner  <meissner@cygnus.com>
 135
 136         * syscall.c (cb_syscall): If writing to stdout or stderr, flush
 137         the stream immediately.
 138
 139 Wed Nov 26 12:32:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 140
 141         * sim-io.c (sim_io_getstring): Delete unused len2.
 142         (sim_io_syscalls): Ditto for sys_errno.
 143
 144 Wed Nov 26 11:18:40 1997  Doug Evans  <devans@canuck.cygnus.com>
 145
 146         * syscall.c (cb_syscall): Test CB_SYSCALL struct magic number.
 147
 148         * Make-common.in (run.o): Depend on remote-sim.h.
 149         (nrun.o,sim-hload.o,sim-hrw.o): Likewise.
 150         (sim-io.o,sim-reason.o,sim-resume.o): Likewise.
 151
 152 Tue Nov 25 20:12:46 1997  Michael Meissner  <meissner@cygnus.com>
 153
 154         * sim-io.c (sim_io_syscalls): Disable lseek.
 155
 156 Tue Nov 25 00:12:38 1997  Doug Evans  <devans@seba.cygnus.com>
 157
 158 start-sanitize-d30v
 159         * gennltvals.sh: Generate syscall values for d30v.
 160 end-sanitize-d30v
 161         * gennltvals.sh: Use libgloss/syscall.h for sparc.
 162         * nltvals.def: Regenerate.
 163
 164         * callback.c (os_stat): Make 3rd arg a host struct stat ptr.
 165         (os_fstat): Likewise.  Validate fd argument.
 166         (cb_host_to_target_stat): Delete big_p arg.  If HS arg is NULL,
 167         just compute target stat struct length.
 168         * syscall.c: #include "libiberty.h", <sys/types.h>, <sys/stat.h>.
 169         (ENOSYS,ENAMETOOLONG): Provide definitions if missing.
 170         (get_string): Return host errno values so they can be properly
 171         translated later.
 172         (cb_syscall): Likewise.
 173         (cb_syscall, cases open,unlink): Use get_path instead of get_string.
 174         (cb_syscall, case read): Use read_stdin for file descriptor 0.
 175         (cb_syscall, case write): Use write_stderr for file descriptor 2.
 176         (cb_syscall): Add cases for lseek, unlink, stat, fstat, time.
 177         (get_path): New function.
 178
 179 Mon Nov 24 18:56:07 1997  Michael Meissner  <meissner@cygnus.com>
 180
 181         * sim-io.c (sim_io_syscalls): New function to provide system call
 182         emulation.  Provide exit, open, close, read, write, lseek, and
 183         unlink.
 184         (sim_io_getstring): New function to return a string from a
 185         simulated memory location.
 186
 187         * sim-io.h (sim_io_syscalls): Add declaration.
 188
 189 Mon Nov 24 12:09:59 1997  Doug Evans  <devans@seba.cygnus.com>
 190
 191         * sim-core.c (sim_core_signal): Fix spelling error in message.
 192
 193         * sim-hrw.c (sim_read): Use read map, not write map.
 194
 195         * Make-common.in (all): Add .gdbinit.
 196         * gdbinit.in: Add dump command.
 197
 198         * sim-model.c (model_options): Use '\0' for `shortopt'.
 199
 200         * sim-trace.c (trace_option_handler): Set state trace file
 201         for --trace-file in addition to cpu's values.
 202         (trace_vprintf): If cpu == NULL, try state's trace file.
 203         (trace_options): Reorganize table, reword some descriptions.
 204
 205 Sun Nov 23 10:57:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 206
 207         * sim-fpu.c (sim_fpu_abs, sim_fpu_neg, sim_fpu_inv), sim-fpu.h:
 208         New functions.
 209
 210 Sat Nov 22 19:16:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 211
 212         * sim-reason.c (sim_stop_reason): For sim_signalled, return the
 213         signal untranslated, document problem with this.
 214
 215         * nrun.c (main): Check for a prog name of `*step'.  If present,
 216         step the simulator instead of allowing it to run free.
 217
 218         * sim-signal.c (SIGQUIT): Define on _MSC_VER hosts.
 219
 220         * Make-common.in (sim_main_headers): Add sim-signal.h.
 221
 222 Fri Nov 21 09:32:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 223
 224         * sim-signal.c (sim_signal_to_host): Return 0 for SIM_SIGNONE.
 225
 226 Thu Nov 20 20:35:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 227
 228         * sim-signal.h: Start simulator signals at 64 so that host signal
 229         numbers can be detected and reported.
 230
 231         * sim-signal.h (SIM_SIGFPE), sim-signal.h: Add signal.
 232
 233 Wed Nov 19 12:02:41 1997  Doug Evans  <devans@seba.cygnus.com>
 234
 235         * callback.c (cb_host_to_target_stat): Fix return values.
 236
 237         * cgen-sim.h (enum_signal_type): Delete.
 238         (engine_signal): Update prototype.
 239         * cgen-utils.c: Don't include <signal.h>.
 240         (sim_signal_to_host): Delete, lives in sim-signal.c now.
 241         (engine_signal): Update.
 242
 243         * sim-utils.c (sim_state_alloc): Call SIM_STATE_ALLOC if defined.
 244         (sim_state_free): Call SIM_STATE_FREE if defined.
 245
 246         * sim-module.c (sim_module_install): Don't leave any modules
 247         installed if one fails to install.
 248
 249 Wed Nov 19 13:25:48 1997  Michael Meissner  <meissner@cygnus.com>
 250
 251         * sim-options.c: Don't include ../libiberty/alloca-conf.h any
 252         more, since alloca is not used in this file.
 253
 254         * sim-alu.h (ALU{32,64}_*): Rewrite 32 and 64 bit ALU support to
 255         correctly set the carry and overflow bits for those types.
 256         (ALU{8,16,32,64}_{ADD,SUB}_CA): Take VAL argument to add along
 257         with carry, so carry is correct after doing both adds.
 258         (ALU*): Space out '\' to make it easier to read.
 259
 260 Tue Nov 18 15:53:45 1997  Doug Evans  <devans@canuck.cygnus.com>
 261
 262         * sim-core.c (sim_core_signal): Use sim_stopped instead of
 263         sim_signalled.
 264
 265         * sim-signal.c, sim-signal.h: New files.
 266         * Make-common.in (sim-signal.o): Add rule for.
 267         (SIM_NEW_COMMON_OBJS): Add sim-signal.o.
 268         * sim-abort.c: Don't include <signal.h>.
 269         * sim-basics.h: #include "sim-signal.h".
 270         * sim-break.c: Don't include <signal.h>.
 271         (sim_handle_breakpoint): Replace SIGTRAP with SIM_SIGTRAP.
 272         * sim-core.c: Don't include <signal.h>.
 273         (SIGBUS): Delete definition.
 274         (sim_core_signal): Replace SIGSEGV,SIGBUS with SIM_SIGSEGV,SIM_SIGBUS.
 275         * sim-engine.c: Don't include <signal.h>.
 276         (sim_engine_abort): Replace SIGABRT with SIM_SIGABRT.
 277         * sim-reason.c (sim_stop_reason): Call sim_signal_to_host.
 278         * sim-resume.c: Don't include <signal.h>.
 279         (SIGTRAP): Delete definition.
 280         (has_stepped): Replace SIGTRAP with SIM_SIGTRAP.
 281         * sim-stop.c: Don't include <signal.h>.
 282         (control_c_simulation): Replace SIGINT with SIM_SIGINT.
 283         * sim-watch.c: Don't include <signal.h>.
 284         (handle_watchpoint): Replace SIGINT with SIM_SIGINT.
 285
 286         * Make-common.in (SIM_NEW_COMMON_OBJS): New variable.
 287
 288         * sim-base.h (CIA_ADDR): Provide default definition.
 289         * sim-core.c (sim_core_signal): Use CIA_ADDR to fetch value.
 290         * sim-break.c (sim_handle_breakpoint): Likewise.
 291
 292 Mon Nov 17 14:15:31 1997  Doug Evans  <devans@seba.cygnus.com>
 293
 294         * Make-common.in (srccom): New variable.
 295
 296         * Make-common.in (DEP, COMMON_DEP_CFLAGS): Define.
 297         (LIB_OBJS): Add syscall.o.
 298         (gentmap): Pass $(NL_TARGET) to $(CC).
 299         (syscall.o): Add rule for.
 300         (sim_main_headers): Add $(SIM_EXTRA_DEPS).
 301         (sim-bits.o): Depend on $(sim-n-bits_h).
 302         (sim-load.o): Depend on callback.h.
 303
 304         * Make-common.in (cgen-*.o): Update dependencies, mem-ops.h renamed to
 305         cgen-mem.h, sem-ops.h renamed to cgen-ops.h.
 306         * cgen-mem.h, cgen-ops.h: New files.
 307
 308         * aclocal.m4 (--enable-sim-scache): Pass -DWITH_SCACHE=0 for "=no".
 309
 310         * Makefile.in (nltvals.def): Depend on gennltvals.sh.
 311         Rewrite build rule.
 312         * callback.c: #include string.h or strings.h.
 313         #include sys/types.h and sys/stat.h.
 314         (cb_init_syscall_map,cb_init_errno_map,cb_init_open_map): Declare.
 315         (os_get_errno,os_open): Update.
 316         (os_stat,os_fstat): New functions.
 317         (os_init): Initialize syscall_map, errno_map, open_map.
 318         (default_callback): Add entries for os_stat, os_fstat, syscall_map,
 319         errno_map, open_map, signal_map, stat_map.
 320         (cb_read_target_syscall_maps): New function.
 321         (cb_target_to_host_syscall): New function.
 322         (cb_host_to_target_errno): Renamed from host_to_target_errno.
 323         (cb_target_to_host_open): Renamed from target_to_host_open.
 324         (store): New function.
 325         (cb_host_to_target_stat): New function.
 326         * syscall.c: New file.
 327         * gentmap.c (sys_tdefs): New global.
 328         (gen_targ_vals_h): Output target syscall numbers.
 329         (gen_targ_map_c): Update.  Output target syscall translation map.
 330         * gentvals.sh: New first argument `target'.  Preface table with
 331         #ifdef NL_TARGET_$target if non-null target passed.
 332         * gennltvals.sh: New file.
 333         * nltvals.def: Regenerated.
 334
 335 Fri Nov 14 11:33:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 336
 337         * sim-n-core.h (sim_core_read_unaligned_N): Return static
 338         sim_core_dummy_M.
 339         (sim_core_dummy_M): Declare.
 340
 341 Wed Nov 12 18:16:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 342
 343         * sim-core.c (sim_core_signal): Print the address of the
 344         instruction.
 345
 346 Thu Nov 13 11:49:41 1997  Doug Evans  <devans@seba.cygnus.com>
 347
 348         * sim-base.h (sim_state_base): Move `magic' to end of struct.
 349
 350         * sim-base.h (sim_state_base): Add member trace_data.
 351         (STATE_TRACE_DATA): New macro.
 352         * sim-trace.h (TRACE_DEBUG_IDX,TRACE_debug): New macros.
 353         ({WITH_,}TRACE_DEBUG_P): New macros.
 354         (STATE_TRACE_FLAGS,STRACE_P,STRACE_DEBUG_P): New macros.
 355         (_sim_cpu): Delete forward reference.
 356         (debug_printf): Update.
 357         * sim-trace.c (OPTION_TRACE_DEBUG): Define.
 358         (trace_options): Add --trace-debug.
 359         (set_trace_options): Handle it.
 360         (trace_option_handler): Likewise.
 361         (trace_install): Init state trace_data struct.
 362         (trace_uninstall): Close state trace file.
 363         * sim-events.c (ETRACE): Only print source file and line number if
 364         --trace-debug.
 365         * sim-n-core.h (sim_core_trace_M): Likewise.
 366
 367         * sim-core.c (sim_core_signal): Add missing "\n" in message.
 368
 369 1997-11-13  Felix Lee  <flee@cygnus.com>
 370
 371         * sim-n-core.h (sim_core_read_unaligned_N): illegal empty
 372         initializer.
 373         * sim-types.h (unsigned128,signed128): fix typo for MSVC.
 374
 375 Wed Nov 12 12:18:08 1997  Doug Evans  <devans@canuck.cygnus.com>
 376
 377         * aclocal.m4 (SIM_AC_OPTION_SCACHE): Fix typo.
 378
 379         * Make-common.in (BUILT_SRC_FROM_COMMON): Remove files no longer
 380         built this way.
 381         (sim-config.o): Remove non-existent $(sim-nconfig_h) dependency.
 382         (clean): Don't delete $(BUILT_SRC_FROM_COMMON) if building in
 383         source tree.
 384
 385 Tue Nov 11 13:28:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 386
 387         * sim-events.c (sim_events_process): Re-compute the time -
 388         update_time_from_event - as each event is processed. Reverses
 389         previous change.
 390
 391 Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 392
 393         * callback.c (os_poll_quit): Replace _WIN32 with _MSC_VER.
 394
 395 Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 396
 397         * sim-events.c (sim_events_process): Delete redundant call to
 398         update_time_from_event.
 399         (sim_events_slip): Always decrement time_from_event.
 400         (sim_events_tick, sim_events_deschedule, update_time_from_event):
 401         Delete assertion that time_from_event >=0 when work in queue, no
 402         longer applicable.
 403
 404 Thu Nov  6 12:06:46 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 405
 406         * sim-options.c (STANDARD_OPTIONS): Change OPTION_* to an enum.
 407         (standard_option_handler): Update.
 408
 409         * sim-options.h: Clarify documentation.
 410         (OPTION_LONG_ONLY_P): Delete definition.
 411         (OPTION_VALID_P): Define.
 412
 413         * sim-options.c (sim_print_help): Allow short only options.
 414         (sim_parse_args): Ditto.
 415         (sim_args_command): Skip short only options.
 416         (sim_parse_args): Allocate space for NUM_OPTS not just 256. Make
 417         separate entries for short and long options in the HANDLERS and
 418         ORIG_VAL tables.
 419         (sim_parse_args): Disable argument permutation.
 420
 421 Wed Nov  5 13:40:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 422
 423         * sim-core.h (DECLARE_SIM_CORE_WRITE_N. DECLARE_SIM_CORE_READ_N):
 424         Add argument M, size of data type.
 425         (sim_core_read_misaligned_3, sim_core_write_misaligned_3):
 426         Declare, ditto for 5, 6 & 7 byte transfers.
 427         (sim_core_write_unaligned_1, sim_core_write_unaligned_1): Define
 428         as aligned variant.
 429
 430         * sim-n-core.h (sim_core_trace_M): Rename from
 431         sim_core_trace_N. Add nr_bytes argument. Replace transfer argument
 432         with transfer type. Print transfer direction.  Handle 1 and 2 byte
 433         transfers.
 434         (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Trace
 435         unaligned accesses.
 436         (unsigned_M, T2H_M, H2T_M): Rename from unsigned_N, T2H_N, H2T_N.
 437         Update all functions.
 438
 439         * sim-core.c: Generate functions starting with 16 not 1.
 440         (sim_core_read_unaligned_3): Generate. Ditto for 3 byte write and
 441         all 5, 6 & 7 byte transfers.
 442
 443         * sim-n-core.h (sim_core_read_misaligned_N,
 444         sim_core_write_misaligned_N): Implement.
 445
 446 Mon Nov  3 15:03:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 447
 448         * sim-endian.h (U16_8): Implement
 449
 450         * sim-endian.c (sim_endian_split_16, sim_endian_join_16): New functions
 451
 452         * sim-endian.h (VL8_16, VH8_16): Implement.
 453
 454         * sim-memopt.c (memory_option_handler): Typecast 64bit value to
 455         long in printf.
 456         (memory_option_handler): Only zalloc modulo bytes when non-zero.
 457         (memory_option_handler): Skip comma in alias address list
 458
 459 Fri Oct 31 13:03:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 460
 461         * sim-memopt.c (do_memopt_add, do_memopt_delete): Add level and
 462         space params.
 463         (parse_size, parse_addr): New functions
 464         (memory_option_handler, memory_options): Parse address & size
 465         using new functions. Pass level, space, modulo to do_memopt_add &
 466         do_memopt_del.
 467
 468         * sim-memopt.h (struct _sim_memopt): Add level & space fields.
 469
 470         * sim-core.h (sim_core_arrach, sim_core_detach): Replace
 471         `attach_type attach' argument with `unsigned level' argument.
 472         Document.
 473
 474         * sim-core.c (new_sim_core_mapping, sim_core_map_attach,
 475         sim_core_attach): Replace argument attach with level.  Update
 476         verification of arguments.
 477         (sim_core_map_detach, sim_core_detach): Replace argument attach
 478         with level.
 479
 480         * sim-basics.h (enum _attach_type): Delete.
 481
 482 Thu Oct 30 13:45:00 1997  Doug Evans  <devans@seba.cygnus.com>
 483
 484         * sim-core.h (sim_core_write_8): Define.
 485
 486 Tue Oct 28 12:29:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 487
 488         * sim-bits.h: Document ROTn macro.
 489
 490         * sim-endian.h (H2T): Handle 16 byte variables.
 491
 492         * sim-n-core.h (sim_core_read_unaligned_N): Return a dummy when an
 493         error.
 494
 495         * sim-core.c: Do not generate sim_core_*_word.
 496
 497         * sim-n-core.h (sim_core_trace_N): Add line_nr argument.
 498         (sim_core_write_aligned_N, sim_core_read_aligned_N): Update.
 499
 500         * sim-core.h (sim_core_read_unaligned_word,
 501         sim_core_read_aligned_word, sim_core_read_word,
 502         sim_core_write_unaligned_word, sim_core_write_aligned_word,
 503         sim_core_write_word): Change to macros that map onto sim_core_*_N.
 504
 505 Mon Oct 27 11:25:10 1997  Doug Evans  <devans@canuck.cygnus.com>
 506
 507         * sim-n-endian.h: Add TAGS entrys for 16 byte versions.
 508
 509         * sim-endian.h: Disable 16 byte support.
 510
 511 Mon Oct 27 12:00:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 512
 513         * sim-endian.c (_SWAP_16): Define.  Generate 126 bit swap code.
 514
 515         * sim-n-core.h (sim_core_trace_N): New function.
 516         (sim_core_read_aligned_N, sim_core_write_aligned_N): Use,
 517         (sim_core_read_unaligned_N): Do not retyrn bogus value wden error.
 518
 519         * sim-endian.h:  Add 128 bit variant.
 520
 521         * sim-core.h, sim-core.c: Add 128 bit variant.
 522
 523         * sim-types.h: Add signed128 and unsigned128 types using a struct.
 524
 525 Fri Oct 24 11:33:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 526
 527         * sim-events.c (sim_events_process): Clear events->work_pending.
 528         (sim_events_tickn, sim_events_tick): Accumulate, instead of
 529         setting, nr_ticks_to_process.
 530         (sim_events_preprocess): Allow nr_ticks_to_process to be non-zero
 531         when the event queue isn't next.
 532
 533         * sim-events.h, sim-events.c (sim_events_slip): New function.
 534
 535 Wed Oct 22 14:18:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 536
 537         * sim-hload.c (sim_load): Pass lma_p==0 and do_load=sim_load.
 538
 539         * sim-utils.h, sim-load.c (sim_load_file): Add lma_p and do_load
 540         arguments.
 541
 542 Tue Oct 21 18:37:57 1997  Doug Evans  <devans@canuck.cygnus.com>
 543
 544         * nrun.c (main): Remove useless test of name != NULL.
 545         Exit if bfd_openr fails.  Call bfd_check_format after bfd_openr.
 546
 547 Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 548
 549         * sim-fpu.c (EXPMAX): Type is unsigned.
 550         (MIN_INT, MAX_INT): Type is signed64.
 551         (i2fpu): Type of val is signed64.
 552
 553 Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 554
 555         * sim-profile.h (PROFILE_PC_BUCKET_SIZE): Treat a shift of zero as
 556         a bucket size of zero.
 557
 558         * sim-profile.c (OPTION_PROFILE_PC_GRANULARITY,
 559         OPTION_PROFILE_PC): Define.
 560         (profile_option_handler): Add support for --profile-pc and
 561         --profile-pc-granularity options.
 562         (profile_pc_init): When possible, compute nr buckets from bucket
 563         size.
 564
 565         * sim-profile.c (profile_pc_init): Align the profile-pc end
 566         address with the profile-pc bucket size.
 567
 568         * sim-profile.h (PROFILE_PC_NR_BUCKETS): Rename PROFILE_PC_SIZE to
 569         something less ambiguous.
 570         (PROFILE_PC_BUCKET_SIZE): Ditto for PROFILE_PC_SAMPLE_SIZE.
 571
 572         * sim-profile.c (profile_pc_cleanup): New function. Move
 573         profile_pc_uninstall code to here.
 574         (profile_pc_uninstall): Call.
 575         (profile_pc_init): Call.
 576
 577 Mon Oct 20 17:23:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 578
 579         * sim-profile.c (profile_print_pc): Dump pc profile to dmon.out
 580         file using BSD gprof format.
 581
 582         * sim-bits.h (LSBIT, MSBIT, BIT): Force result to type
 583         unsigned_word.
 584         (LSBIT8, LSBIT16, LSBIT32, LSBIT64, MSBIT8, MSBIT16, MSBIT32,
 585         MSBIT64): Force result to unsignedN.
 586
 587 Thu Oct 16 11:38:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 588
 589         * sim-alu.h (ALU16_BEGIN, ALU32_BEGIN, ALU64_BEGIN): Drop opening
 590         brace from macro.
 591         (ALU8_BEGIN, ALU8_SET, ALU8_ADD, ALU8_SUB, ALU8_NEGATE): Define.
 592         (ALU16_ADD, ALU16_SUB, ALU16_NEGATE): Simplify arrithmetic.
 593         (ALU32_ADD, ALU32_SUB, ALU32_NEGATE): Simplify arrithmetic.
 594         (ALU64_ADD, ALU64_SUB, ALU64_NEGATE): Simplify arrithmetic.
 595
 596 Wed Oct 15 09:24:19 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 597
 598         * sim-core.h (struct _sim_core_mapping): Change free_buffer to
 599         type void*.
 600
 601         * sim-core.c (sim_core_uninstall, new_sim_core_mapping,
 602         sim_core_map_attach, sim_core_map_detach): Change free_buffer to
 603         type void*.
 604         (sim_core_attach): Rename buffer_freed to free_buffer, type
 605         void*. Ensure that allocated buffer is alligned according to
 606         region's address.
 607
 608 Mon Oct 13 11:34:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 609
 610         * sim-alu.h (ALU64_HAD_OVERFLOW): Define.
 611         (ALU64_SUB): Define.
 612
 613         * Make-common.in (all): Build SIM_EXTRA_ALL first.
 614         (.gdbinit): Remove dependencies, generate once per build.
 615
 616 Tue Oct 14 19:20:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 617
 618         * sim-n-core.h (sim_core_read_aligned_N,
 619         sim_core_write_aligned_N): Make xaddr param type address_word not
 620         unsigned_word.
 621
 622 Fri Oct  3 09:49:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 623
 624         * sim-fpu.h, sim-fpu.c: Rewrite.  Change sim_fpu object to an
 625         unpacked floating point struct.  Pass sim_fpu object by reference.
 626         Add preliminary support for rounding modes.
 627
 628 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 629
 630         * configure: Regenerated to track ../common/aclocal.m4 changes.
 631
 632 Thu Oct  2 19:43:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 633
 634         * aclocal.m4 (sim-bitsize): Fix typo, WITH_TARGET_WORD_BITSIZE not
 635         WITH_TARGET_BITSIZE.
 636
 637 Thu Sep 25 23:20:20 1997  Felix Lee  <flee@yin.cygnus.com>
 638
 639         * sim-profile.c (profile_print_core): label needs empty statement.
 640
 641 Thu Sep 25 11:20:47 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 642
 643         * sim-break.c (sim_set_breakpoint sim_clear_breakpoint):  Use ZALLOC
 644         and zfree instead of xmalloc and free.  Prevents warnings.
 645
 646 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 647
 648         * configure: Regenerated to track ../common/aclocal.m4 changes.
 649
 650 Wed Sep 24 17:23:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 651
 652         * Make-common.in (SIM_BITSIZE): Assign from configured value.
 653         (CONFIG_CFLAGS): Add SIM_BITSIZE.
 654
 655         * aclocal.m4 (--enable-sim-bitsize): Developer option for
 656         controling the bitsize/msb of the target.
 657
 658 Wed Sep 24 17:41:40 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 659
 660         * Make-common.in:  New files sim-break.c, sim-break.h.
 661         * sim-base.h:  Add point to breakpoint list to sim_state_base.
 662         * sim-break.c sim-break.h:  New modules that implement intrinsic
 663         breakpoint support.
 664         * sim-module.c:  Add breakpoint module.
 665
 666 Tue Sep 23 00:26:39 1997  Felix Lee  <flee@yin.cygnus.com>
 667
 668         * sim-events.c (SIM_EVENTS_POLL_RATE): poll more often than once
 669         an hour.
 670         * sim-n-core.h (WITH_XOR_ENDIAN): MSVC barfs on
 671         if (0) { 1 % 0; }
 672         * sim-core.c (sim_core_xor_write_buffer): WITH_XOR_ENDIAN + 1.
 673         (SIGBUS) define for Windows.
 674         * sim-trace.c (trace_printf,debug_printf): added ALMOST_STDC.
 675         * sim-resume.c: define SIGTRAP for windows.
 676         * sim-xcat.h: use token pasting if ALMOST_STDC.
 677
 678 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 679
 680         * Make-common.in (SIM_SCACHE, SIM_DEFAULT_MODEL): Assign
 681         configured values.
 682         (CONFIG_CFLAGS): Add same.
 683
 684 Mon Sep 22 17:20:27 1997  Felix Lee  <flee@cygnus.com>
 685
 686         * sim-types.h (SIGNED64): ##i64 when _MSC_VER, not _WIN32.
 687         (SIGNED32): use ##i32.
 688
 689 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 690
 691         * configure: Regenerated to track ../common/aclocal.m4 changes.
 692
 693 Tue Sep 23 10:07:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 694
 695         * aclocal.m4 (sim-endian): Simplify logic determining [default]
 696         endian of target.
 697
 698         * Make-common.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 699         SIM_HOSTENDIAN, SIM_RESERVED_BITS, SIM_ASSERT, SIM_FLOAT,
 700         SIM_HARDWARE, SIM_INLINE, SIM_PACKAGES, SIM_REGPARM, SIM_SMP,
 701         SIM_STDCALL, SIM_XOR_ENDIAN): Assign configured values.
 702         (CONFIG_CFLAGS): Add same.
 703
 704         * aclocal.m4: Perform AC_SUBST on optional options.
 705
 706 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 707
 708         * sim-config.h (WITH_DEFAULT_ALIGNMENT): Don't hardwire any alignment.
 709
 710         * sim-options.c (standard_option_handler): Typo in warning message.
 711
 712         * sim-base.h (STATE_MODEL): Make conditional on SIM_HAVE_MODEL.
 713
 714         * sim-profile.c (profile_print_insn): Check 0 .. MAX_INSN for any
 715         insn count.  Make count conditional on there being a valid
 716         INSN_NAME.
 717         (profile_pc_init): Make default PC profile frequency an arbitrary
 718         256.
 719
 720         * sim-base.h: Ditto.
 721
 722         * sim-profile.h (WITH_PROFILE_MODEL_P): Only enable modeling when
 723         SIM_HAVE_MODEL.
 724
 725         * sim-model.h (struct MACH): Depreciate, to be replaced by bfd
 726         archure struct.
 727
 728 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 729
 730         * configure: Regenerated to track ../common/aclocal.m4 changes.
 731
 732 Mon Sep 22 11:45:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 733
 734         * aclocal.m4 (sim_alignment): Simplify logic for selecting the
 735         configured alignment.
 736
 737 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 738
 739         * configure: Regenerated to track ../common/aclocal.m4 changes.
 740
 741 Fri Sep 19 17:26:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 742
 743         * sim-config.c (sim_config): Check for default alignment.
 744
 745         * sim-options.c (standard_option_handler): Add alignment option.
 746
 747         * aclocal.m4 (sim_alignment): Allow configuration of hardwired and
 748         default alignment requirements on memory accesses.
 749
 750 Fri Sep 19 11:51:35 1997  Jeffrey A Law  (law@cygnus.com)
 751
 752         * sim-load.c (sim_load_file): Return failure if the executable
 753         had no loadable sections.
 754
 755 Wed Sep 17 13:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 756
 757         * sim-events.c (ETRACE): Use trace_printf not sim_io_printf for
 758         trace output.
 759
 760         * sim-core.c (sim_core_signal): When bad access halt simulator
 761         SIGSEGV / SIGBUS instead of aborting.
 762         (signal.h): Include.
 763
 764         * sim-watch.c (sim_watchpoint_install): Handler for watchpoint
 765         options was missing.
 766
 767         * sim-bits.h (MOVED): Define
 768
 769 Wed Sep 17 10:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 770
 771         * sim-alu.h (ALU32_HAD_OVERFLOW): Pacify GCC, Use MSBIT instead of
 772         BIT.
 773
 774         * sim-bits.h (LSBIT, MSBIT): Check for overflow of shift value.
 775
 776         * sim-bits.c: Add 8 bit versions of bit macros.
 777
 778         * sim-bits.h: Ditto.
 779
 780 Tue Sep 16 16:15:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 781
 782         * sim-bits.c (LSSEXT, MSSEXT): Replace SEXT.
 783         (LSINSERTED, MSINSERTED): Ditto for INSERTED.
 784
 785         * sim-n-bits.h (MSSEXTn, LSSEXTn): Replace SEXTn.
 786         (LSINSERTDn, MSINSERTEDN): Ditto for INSERTEDn.
 787
 788         * sim-bits.h (SEXT*): Define as MSEXT/LSEXT.
 789         (INSERTED*): Ditto for LSINSERTED/MSINSERTED.
 790
 791 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 792
 793         * aclocal.m4 (SIM_AC_COMMON): Add optional config.h file argument.
 794         configure.in: Output to cconfig.h instead of config.h.
 795
 796         * configure: Regenerated to track ../common/aclocal.m4 changes.
 797
 798 Mon Sep 15 15:39:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 799
 800         * sim-utils.c (sim_analyze_program): Set STATE_ARCHITECTURE from
 801         BFD if known.
 802
 803 Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>
 804
 805         * callback.c (os_write): divert stdout and stderr to their
 806         respective hooks.
 807
 808 Thu Sep 11 10:08:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 809
 810         * sim-profile.c (profile_print_speed): Call
 811         sim_events_elapsed_time instead of PROFILE_EXEC_TIME for moment.
 812
 813         * sim-events.c (sim_events_elapsed_time): New function return nr
 814         host MS consumed by the simulator.
 815         (sim_watch_valid): Use.
 816
 817         * sim-module.c (modules): Install sim_events very very early.
 818
 819         * sim-profile.c (profile_print): Call profile_print_pc.
 820         (print_bar):
 821         (profile_pc_init): New function, set up processor for PC
 822         profiling.
 823         (profile_print_pc): New function, print a PC profile.
 824         (profile_pc_event): New function, sample PC.
 825
 826         * sim-profile.h (PROFILE_PC_COUNT, PROFILE_PC_START,
 827         PROFILE_PC_END, PROFILE_PC_SHIFT, PROFILE_PC_SAMPLE_SIZE): Add to
 828         profile struct.
 829
 830         * sim-options.c (sim_print_help): Pacify GCC.
 831
 832         * sim-n-core.h (sim_core_read_aligned_N,
 833         sim_core_write_aligned_N): Add un-conditional profile call.
 834         (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Add
 835         profile call when aligned read/write isn't used.
 836
 837         * sim-base.h: Include sim-profile, sim-model after sim-core &
 838         sim-events allow sim-core to define useful values.
 839
 840         * sim-profile.c (OPTION_PROFILE_CORE): Define.
 841         (profile_option_handler, profile_options): Add support for
 842         --profile-core option.
 843         (print_bar): Include when core profiling.
 844         (profile_print_core): New function, print core profile.
 845
 846         * sim-config.c (print_sim_config): Print profile status.
 847
 848         * sim-profile.h (PROFILE_NEXT_IDX, PROFILE_core,
 849         WITH_PROFILE_PC_P): Define.
 850         (PROFILE_CORE_COUNT): Count each core-map/size separatly.
 851         (PROFILE_COUNT_CORE): Define.
 852
 853 Thu Sep 11 08:44:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 854
 855         * sim-watch.c (handle_watchpoint): Pass a char** index into the
 856         interrupt_names array as the data.
 857         (sim-watch.h): Document.
 858
 859 Wed Sep 10 16:15:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 860
 861         * sim-options.c (sim_print_help): When the doc string is to long
 862         word wrap it.
 863
 864         * sim-watch.c (sim_watchpoint_install): Use option.doc_name so
 865         that only the first few the watch options are listed.  Generate
 866         meanginful usage messages.
 867
 868         * sim-options.h (struct OPTION): Clarify use of doc_name field
 869
 870 Wed Sep 10 13:23:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 871
 872         * sim-options.c (OPTION_ARCHITECTURE_INFO): New option.
 873         (standard_option_handler): Handle --architecture-info.
 874
 875 Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>
 876
 877         * sim-core.h (sim_cpu_core): [WITH_XOR_ENDIAN + 1], to avoid
 878         illegal zero-sized array.
 879         * sim-core.c (sim_core_xor_read_buffer): same.
 880
 881 Tue Sep  9 11:20:35 1997  Doug Evans  <dje@canuck.cygnus.com>
 882
 883         * nltvals.def: Regenerate.
 884
 885 Tue Sep  9 02:10:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 886
 887         * sim-fpu.c (DP_FRACHIGH2): Define LL using SIGNED64.
 888
 889 Mon Sep  8 12:22:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 890
 891         * sim-bits.c (MASKED): Delete.
 892         (EXTRACTED): Delete.
 893         (LSEXTRACTED, MSEXTRACTED): New functions.
 894
 895         * sim-n-bits.h (MASKEDn): Delete, define as MSMASKED or LSMASKED.
 896         (MSMASKEDn, LSMASKEDn): Add last argument.
 897         (MSMASK*): Ditto.
 898
 899         * sim-bits.h (EXTEND8, EXTEND16): Define.
 900         (EXTRACTED64): Define as 64 bit extract, not 32 bit.
 901
 902         * sim-run.c (sim_engine_run): Use CPU_CIA macro.
 903
 904         * sim-engine.h (SIM_ENGINE_HALT_HOOK): Use CPU_CIA to get at
 905         current instruction address.
 906
 907         * sim-inline.h (*_ENGINE): Define.
 908
 909 Fri Sep  5 08:39:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 910
 911         * sim-core.c (sim_core_attach): Fix checks of modulo/mask.
 912
 913         * sim-watch.c (delete_watchpoint): Delete by ident and type.
 914         (watch_option_handler): Call delete_watchpoint with ident or type.
 915         (sim_watchpoint_install): Create interrupt specific watchpoint
 916         commands on the fly.
 917         (do_watchpoint_create): New function, create a watch point using
 918         type/int-nr info encoded in the option nr.
 919         (do_watchpoint_info): New function.  List active watchpoints.
 920
 921         * sim-watch.h: Change data structure to a list.
 922
 923         * sim-memopt.c (memory_option_handler): Require explicit "all"
 924         before deleting all memory regions.
 925
 926         * sim-utils.c (sim_do_commandf): New function, printf version of
 927         sim_do_command.
 928
 929         * sim-basics.h (asprintf, vasprintf): Hack, define for CYGWIN32.
 930
 931         * sim-alu.h (ALU64_ADD): Use explicit MSEXTRACTED64, do not assume
 932         bit endianness.
 933         (SIGNED64, UNSIGNED64): Delete.
 934         (ALU64_ADD): Don't rely on bit endianness.
 935         (ALU64_BEGIN): Define.
 936
 937         * sim-n-bits.h (MSEXTRACTEDn, LSEXTRACTED): New functions.
 938         (EXTRACTEDn): Delete, define as either LSEXTRACTED or MSEXTRACTED.
 939
 940         * sim-types.h (SIGNED64, UNSIGNED64): New macros, attach relevant
 941         suffix - u64, LL - to 64 bit constants.
 942
 943 Thu Sep  4 09:27:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 944
 945         * sim-config.c (sim_config): Add assert for SIM_MAGIC_NUMBER.
 946
 947         * sim-utils.h (NZALLOC): Define - zalloc * N.
 948
 949         * sim-hrw.c (sim_read, sim_write): New file.  Provide generic
 950         implementation of read/write functions.
 951
 952         * Make-common.in (sim-hrw.o): New target.
 953
 954         * sim-base.h (STATE_MEMOPT_P): Delete, simulators _always_ add
 955         memory.
 956
 957         * sim-memopt.c (memory_option_handler): Implement memory-size
 958         command. Implement memory-alias command.  Let memory-delete delete
 959         all memory regions.
 960         (add_memopt): New function.  Add a memory region.
 961         (do_memopt_delete): New function. Delete a memory region.
 962
 963         * sim-utils.c (sim_elapsed_time_get): Never return zero.
 964
 965         * sim-core.c (sim_core_detach): New function.
 966         (sim_core_map_detach): New function. Perform the actual detach.
 967         (sim_core_init): Move initialization code from here.
 968         (sim_core_install): To here.
 969         (sim_core_uninstall): And here.
 970
 971         * sim-module.c: Add memopt module.
 972
 973         * sim-base.h (STATE_MEMOPT, STATE_MEMOPT_P): Add memopt to
 974         simulator base type.
 975
 976         * Make-common.in (sim_main_headers): Add sim-memopt.h
 977         (sim-memopt.o): New target.
 978
 979         * sim-core.c (sim_core_install): Add core_options to the option
 980         table.
 981
 982         * sim-watch.c (watch_options): Make --delete-watch a synonym for
 983         --watch-delete.
 984
 985         * sim-config.h (WITH_MODULO_MEMORY): Define as 0.  Update
 986         comments.
 987
 988         * sim-core.h (struct _sim_core_mapping): Change nr_bytes to type
 989         address_word, add mask member.
 990
 991         * sim-core.h, sim-core.c (sim_core_attach): Make nr_bytes of type
 992         address_word, allow for 64bit targets in 32bit host. Add modulo
 993         argument.
 994         (sim_core_map_attach): Ditto.
 995         (new_sim_core_mapping): Ditto.
 996         (sim_core_translate): Mask address when modulo memory.
 997
 998 Wed Sep  3 17:32:54 1997  Doug Evans  <dje@seba.cygnus.com>
 999
1000         * sim-hload.c (sim_load): Add assert for SIM_MAGIC_NUMBER.
1001
1002         * gdbinit.in: New file.
1003         * aclocal.m4 (SIM_AC_OUTPUT): Build .gdbinit.
1004         * Make-common.in (distclean): Delete .gdbinit.
1005         (.gdbinit): Add rule for.
1006         * configure: Regenerated to track ../common/aclocal.m4 changes.
1007
1008         * Make-common.in (cgen-run.o): Add rule for.
1009
1010 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1011
1012         * sim-resume.c (sim_resume): Suspend/resume the simulator.
1013
1014         * sim-events.c (sim_watch_valid): Compute total elapsed time from
1015         both resumed and previous elapsed time.
1016         (sim_events_init): Set initial_wallclock and current_wallclock to
1017         zero.
1018         (sim_events_install): Install sim_events_suspend and
1019         sim_events_resume.
1020         (sim_events_watch_clock): Allow for suspended simulator when
1021         computing the time of the clock event.
1022
1023         * sim-events.h (struct _sim_event): Add resume_wallclock, rename
1024         initial_wallclock to elapsed_wallclock, set both to zero.
1025         (sim_events_init, sim_events_uninstall): Delete prototypes.
1026
1027         * sim-module.h (MODULE_SUSPEND_FN, MODULE_RESUME_FN): Define types.
1028
1029         * sim-module.c(sim_module_resume, sim_module_suspend): New
1030         functions.
1031
1032 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1033
1034         * sim-core.c (sim_core_map_attach): Clarify memory overlap error
1035         message.
1036
1037 Tue Sep  2 14:57:06 1997  Doug Evans  <dje@canuck.cygnus.com>
1038
1039         * Makefile.in (TAGS): Add support for "/* TAGS: foo */" marker.
1040         * Make-common.in (TAGS): Likewise.
1041         * sim-n-bits.h: Add TAGS comments for all functions.
1042         * sim-n-core.h: Likewise.
1043         * sim-n-endian.h: Likewise.
1044
1045 Mon Sep  1 10:50:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1046
1047         * sim-utils.c (sim_state_alloc): Set CPU backlinks, callback and
1048         kind.
1049
1050         * sim-base.h (sim_state_alloc): Add callback and kind arguments.
1051
1052         * sim-base.h (INVALID_INSTRUCTION_ADDRESS): Add default
1053         definition.
1054
1055 Sat Aug 30 09:47:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1056
1057         * sim-fpu.c (DP_GARDMSB, ...): Make unsigned.
1058         (DP_FRACHIGH, DP_FRACHIGH2, ..): Use MSMASK to avoid LL.
1059
1060 Fri Aug 29 13:37:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1061
1062         * sim-core.c (sim_core_map_attach): Cast attach enum to int.
1063         (sim_core_xor_read_buffer, sim_core_xor_write_buffer): Make
1064         nr_transfered and nr_this_transfer unsigned.
1065
1066         * sim-events.c (sim_events_tickn): N is signed, as limited to
1067         MAXINT.
1068
1069         * sim-n-endian.h (offset_N): Change size to unsigned.
1070
1071         * callback.c (os_poll_quit): Add prototypes for kbhit and getkey.
1072
1073 Fri Aug 29 10:10:53 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1074
1075         * sim-utils.c (sim_copy_argv): Delete, replaced by dupargv.
1076
1077         * sim-options.c (sim_parse_args): Use dupargv.
1078
1079 Thu Aug 28 10:36:34 1997  Doug Evans  <dje@canuck.cygnus.com>
1080
1081         * sim-options.c (standard_option_handler): Use xstrdup, not strdup.
1082
1083 Thu Aug 28 12:09:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1084
1085         * sim-base.h (STATE_ARCHITECTURE, STATE_TARGET): Add to simulator
1086         base type.
1087
1088         * sim-options.c (standard_options): Add --architecture=MACHINE and
1089         --target=TARGET options.
1090         (OPTION_ARCHITECTURE, OPTION_TARGET): Define.
1091         (standard_option_handler): Handle architecture and target options.
1092         (bfd.h): Include.
1093
1094         * sim-utils.c (sim_analyze_program): Pass STATE_TARGET to
1095         bfd_openr.
1096         (sim_analyze_program): Set prog_bfd architecture from
1097         STATE_ARCHITECTURE if known.
1098
1099 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1100
1101         * configure: Regenerated to track ../common/aclocal.m4 changes.
1102         * config.in: Ditto.
1103
1104 Wed Aug 27 18:11:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1105
1106         * aclocal.m4 (enable-sim-warnings): Remove comment stating
1107         that option does not apply to certain files.
1108
1109 Wed Aug 27 15:13:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1110
1111         * sim-bits.h (LSBIT8, LSBIT16, LSBIT32, LSBIT64, LSBIT, MSBIT8,
1112         MSBIT16, MSBIT32, MSBIT64, MSBIT): New macros - single bit as
1113         offset from MSB/LSB.
1114
1115         * sim-endian.h (A1_8, A2_8, A4_8, A1_4, A2_4, A1_2): New macro,
1116         access address of sub word quantity of a hosts 16, 32, 64 bit word
1117         type.
1118         (V1_2, V1_4, V2_4, V1_8, V2_8, V4_8): Ditto for values.
1119         (U8_1, U8_2, U8_4, U4_1, U4_2, U2_1): Ditto for set of values.
1120         (V2_H1, V2_L1, V4_H2, V4_L2, V8_L4, V8_H4): Given N byte argument,
1121         return N*2 byte value with argument in Hi/Lo word.  Renamed from
1122         V1_H2, V1_L2, V2_H4, V2_L4, V4_H8, V4_L8.
1123
1124         * sim-alu.h (ALU32_HAD_OVERFLOW): Use 64 bit mask not 32bit.
1125         (ALU16_HAD_CARRY, ALU32_HAD_CARRY, ALU16_HAD_OVERFLOW): Use MSBIT
1126         so that bit offset is explicit.
1127
1128 Wed Aug 27 11:55:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1129
1130         * sim-utils.c (sim_analyze_program): Add prog_name argument.
1131         Update STATE_PROG_BFD when needed with a dup'd copy of the
1132         program.
1133
1134         * sim-config.c (sim_config): Delete ABFD argument, use
1135         STATE_PROG_BFD directly.
1136
1137 Tue Aug 26 12:55:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1138
1139         * run.c (main): Pass the open ABFD to sim_create_inferior.
1140
1141         * nrun.c (main): Determine prog_bfd.  Pass to sim_create_inferior
1142         and sim_load.
1143         (bfd.h): Include.
1144
1145         * sim-hload.c (sim_load): New file. Implement generic sim_load for
1146         hardware only simulator targets.
1147
1148         * Make-common.in (sim-hload.o): Add rule.
1149
1150 Wed Aug 27 09:51:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1151
1152         * sim-utils.c (sim_copy_argv): Rewrite to match malloc strategy
1153         used by copyargv and freeargv.
1154
1155         * sim-options.c (sim_parse_args): Save a copy of PROG-ARGS in
1156         STATE_PROG_ARGV, not just a pointer.
1157
1158 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1159
1160         * configure: Regenerated to track ../common/aclocal.m4 changes.
1161         * config.in: Ditto.
1162
1163 Mon Aug 25 12:11:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1164
1165         * aclocal.m4 (sim-endian): Add second argument to
1166         SIM_AC_OPTION_ENDIAN.  First is hardwired endian, second is
1167         default endian when not hardwired.
1168
1169         * sim-config.h (WITH_DEFAULT_TARGET_BYTE_ORDER): New macro, if all
1170         else failes value for target byte order.
1171
1172         * sim-config.c (sim_config): Add abfd arguments. Set
1173         STATE_PROG_BFD accordingly.  Determine prefered_target_byte_order
1174         from same.
1175         (sim_config): Return SIM_RC, don't abort.
1176         (bfd.h): Include.
1177
1178         * run.c (main): Update call to sim_open - add ABFD argument.
1179         * nrun.c (main): Add NULL ABFD argument.
1180
1181 Thu Aug 14 12:48:57 1997  Doug Evans  <dje@canuck.cygnus.com>
1182
1183         * callback.c (os_poll_quit): Make static.
1184         Call sim_cb_eprintf, not p->eprintf.
1185         (sim_cb_printf, sim_cb_eprintf): New functions.
1186         * sim-utils.h (sim_cb_printf, sim_cb_eprintf): Declare.
1187
1188         * sim-basics.h (zalloc,zfree,sim_add_commas,SIM_ELAPSED_TIME,
1189         sim_elapsed_time_get,sim_elapsed_time_since): Move decls to
1190         sim-utils.h. #include sim-utils.h.
1191         * sim-utils.h: Above decls moved here.
1192         (sim_analyze_program,sim_load_file): Use `struct _bfd', not `bfd'.
1193
1194         * sim-watch.c (action_watchpoint): Fix thinkos.
1195
1196 Thu Jul 24 08:48:05 1997  Stu Grossman  (grossman@critters.cygnus.com)
1197
1198         * sim-types.h:  Fix defs of 64 bit data types for MSVC.
1199
1200 Tue Jul 22 10:35:37 1997  Doug Evans  <dje@canuck.cygnus.com>
1201
1202         * sim-n-core.h (sim_core_write_unaligned_N): Add missing break
1203         to FORCED_ALIGNMENT case.
1204
1205 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1206
1207         * callback.c (target_to_host_open): Handle hosts with O_BINARY.
1208
1209 Thu Jun  5 08:47:10 1997  Jeffrey A Law  (law@cygnus.com)
1210
1211         * Make-common.in (libsim.a): Fix typo.
1212
1213 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1214
1215         * nrun.c (main): Verify the structure returned before using it.
1216
1217 Wed Jun  4 11:44:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1218
1219         * sim-config.h (WITH_ENGINE): Enable the sim-engine module by
1220         default.
1221
1222         * sim-engine.c (sim_engine_install): New function.  Install the
1223         engine init functions.
1224         (sim_engine_init): [Re]initialize the simulator engine.
1225
1226         * sim-module.c: Add sim_engine to list of modules that always
1227         install.
1228
1229 Tue Jun  3 04:52:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1230
1231         * sim-watch.c (schedule_watchpoint): Use sim_unschedule_watchpoint
1232         to remove the old watchpoint, not delete_watchpoint.
1233         (watch_option_handler): Action the correct watchpoint, not just
1234         cycles.
1235
1236 Wed May 28 14:47:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1237
1238         * sim-n-core.h (sim_core_write_aligned_N): For 8byte reads, output
1239         both low and high word.
1240         (sim_core_write_aligned_N): Ditto.
1241
1242         * sim-trace.c (set_trace_options): Delete code explicitly setting
1243         core->trace.
1244
1245         * sim-options.c (sim_print_help): Call the list commands if not a
1246         standalone simulator.
1247         (sim_print_help): Advise that some options may not be applicable.
1248
1249         * sim-trace.c (set_trace_options): Assume core present.
1250
1251         * sim-events.c (sim_events_schedule_after_signal): Overflow signal
1252         buffer when full not almost full.
1253
1254 Tue May 27 14:32:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1255
1256         * sim-events.c (sim_events_process): Don't blat the event queue
1257         when processing watchpoints.
1258
1259         * sim-watch.h: Make arg unsigned long - stop sign extension.
1260
1261         * sim-events.c (sim_watch_valid): rewrite so debugable.
1262
1263         * sim-config.h (WITH_XOR_ENDIAN): Default to zero.
1264
1265         * sim-watch.c (schedule_watchpoint): Add is_within option so that
1266         inequality test is possible.
1267         (handle_watchpoint): Re-pass is_within arg.
1268         (watch_option_handler): When `!' prefix to pc-watchpoint arg pass
1269         0 to schedule_watchpoint's is_within arg.
1270         (sim_watchpoint_init): Re-pass is_within arg.
1271
1272         * sim-options.c (sim_print_help): Add is_command argument.  Don't
1273         include -- prefix when called from the command line interpreter.
1274
1275         * sim-watch.c (schedule_watchpoint): Pass true is_within argument.
1276
1277         * sim-events.c (sim_events_watch_sim): Add is_within argument,
1278         zero indicates that the test should be reversed.
1279         (sim_events_watch_core): Ditto.
1280         (WATCH_CORE): Compare range against is_within.
1281         (WATCH_SIM): Ditto.
1282
1283 Tue May 27 12:48:03 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1284
1285         * sim-events.c (WATCH_CORE): Pass NULL cpu argument to
1286         sim_core_read_buffer.  Check nr-bytes transfered.
1287
1288         * sim-core.h (sim_core_common): Define a new struct that contains
1289         the common data.  to sd and cpu structures.
1290         * sim-core.c (sim_core_attach): Update.
1291         (sim_core_init): Update. Remember to copy initialized data to each
1292         cpu.
1293         (sim_core_find_mapping): Ditto.
1294
1295         * sim-core.c (sim_core_read_buffer): Add cpu argument.
1296         (sim_core_write_buffer): Ditto.
1297
1298         * sim-n-core.h (sim_core_read_unaligned_N): When mis-aligned
1299         transfer use xor version of read buffer.
1300         (sim_core_write_unaligned_N): Ditto for write.
1301
1302         * sim-core.c (sim_core_xor_read_buffer): New function implement
1303         xor-endian data read breaking transfer up into xor-endian sized
1304         blocks.
1305         (sim_core_xor_write_buffer): Ditto for write.
1306         (reverse_n): Reverse order of arbitrary number of bytes in buffer
1307         - needed for xor-endian transfers.
1308
1309 Fri May 23 14:24:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1310
1311         * sim-inline.h: Review description.
1312
1313         * sim-core.h, sim-core.c: Reduce number of functions being inlined
1314         to just those involved in data transfers and configuration.
1315
1316         * sim-xcat.h (XSTRING): New macro, map macro definition onto
1317         string.
1318         * sim-n-core.h (sim_core_read_aligned_N): Use.
1319         (sim_core_read_unaligned_N): Ditto.
1320         (sim_core_read_unaligned_N): Ditto..
1321         (sim_core_write_unaligned_N): Ditto.
1322
1323         * sim-core.h: Add xor endian bitmap to main structure.  *
1324
1325         sim-n-core.h (sim_core_write_aligned_N): Add suport for xor
1326         endian.
1327         (sim_core_read_aligned_N): Ditto.
1328
1329         * sim-core.c (sim_core_set_xor_endian): New function.
1330         (sim_core_attach): Don't overwrite the per-cpu xor map when
1331         cloning the global core.
1332
1333 Fri May 23 10:53:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1334
1335         * sim-engine.h: Update below so that it is using an enumerated
1336         type.
1337
1338 Thu May 22 09:12:16 1997  Gavin Koch  <gavin@cygnus.com>
1339
1340         * sim-engine.c (sim_engine_restart):
1341         * sim-resume.c (sim_resume): Change longjmp param/setjmp
1342         return value used for simulator restart from 0 to 2.
1343
1344 Wed May 21 08:47:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1345
1346         * cgen-scache.c (scache_option_handler): Add is_command arg.
1347
1348         * sim-model.c (model_option_handler): Add is_command argument.
1349
1350         * sim-profile.c (profile_option_handler): Add is_command arg.
1351
1352         * sim-events.c (sim_watch_valid): Use ub64, lb64 when 64bit value
1353         involved.
1354
1355         * sim-module.c (sim_module_add_init_fn): Call init fn in the same
1356         order that they are registered.
1357
1358         * sim-options.h (OPTION_HANDLER): Add argument to differentiate
1359         between option and command line processing.
1360
1361         * sim-options.c: Include stdlib.h, ctype.h.
1362
1363         * Make-common.in (sim-watch.o): Add rule.
1364         (sim_main_headers): Assume sim-assert.h included.
1365         (sim-*.o): Simplify make rule.
1366
1367         * sim-module.c: Add sim_watch_install to module list.
1368
1369 Tue May 20 14:15:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1370
1371         * sim-base.h (STATE_LOADED_P): New predicate. Set once everything
1372         has been loaded.
1373
1374         * sim-trace.c (trace_install): Check magic. Include sim-assert.h.
1375         * sim-events.c (sim_events_install): Ditto.
1376         * sim-core.c (sim_core_install): Ditto.
1377         * sim-model.c (model_install): Ditto.
1378         * sim-options.c (standard_install): Ditto.
1379         * sim-profile.c (profile_install): Ditto.
1380         * sim-reason.c (sim_stop_reason): Ditto.
1381         * sim-run.c (sim_engine_run): Ditto.
1382         * sim-utils.c (sim_analyze_program): Ditto.
1383
1384         * sim-module.c (modules): Make profile_install and trace_install
1385         optional.
1386
1387         * sim-base.h (STATE_MEM_BASE): Define for flat memory systems.
1388
1389         * sim-options.c (standard_option_handler): Set the byte order.
1390
1391         * sim-events.c (sim_events_process): Allow multi tick processing.
1392         (sim_events_tickn): New function - multi cycle tick.
1393
1394         * sim-events.h (sim_events_tickn, sim_events_timewarp): Add
1395         prototypes.  Under development.
1396         (sim_events): Replace processing with nr_ticks_to_process.
1397
1398 Tue May 20 09:39:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1399
1400         * nrun.c (main): Pass callbacks to sim_open instead of using
1401         sim_set_callbacks.
1402
1403         * run.c (main): Ditto.
1404
1405 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1406
1407         * sim-events.c (sim_events_zalloc): Signal save memory allocator -
1408         stop tk interrupting malloc calls.
1409         (sim_events_zalloc): Converse.
1410
1411         * Make-common.in (sim_main_headers): Add sim-events.h.
1412
1413         * sim-events.c (sim_events_schedule_after_signal): Change return
1414         type to void - signal events are strictly internal.
1415         (sim_events_init): Allocate a finite buffer for signal events.
1416         (sim_events_schedule_after_signal): Enter signal events into the
1417         signal buffer.
1418
1419         * sim-engine.c (sim_engine_halt): Check SIM_DESC magic.
1420         (sim_engine_restart): Ditto.
1421         (sim_engine_abort): Ditto.
1422         * sim-stop.c (sim_stop): Ditto.
1423         (control_c_simulation): Ditto.
1424         * sim-resume.c (sim_resume): Ditto.
1425         (has_stepped): Ditto.
1426         * sim-abort.c (sim_engine_abort): Ditto.
1427
1428         * sim-basics.h (transfer_type): New type.
1429
1430         * sim-core.c (sim_core_signal): New function. Print core signal
1431         information.
1432         (sim_core_find_mapping): Add transfer argument.
1433
1434         * sim-n-core.h (sim_core_{write,write}_unaligned_N): Call
1435         SIM_CORE_SIGNAL if a recoverable abort.
1436         * sim-core.c (sim_core_find_mapping): Ditto.
1437
1438 Fri May 16 15:13:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1439
1440         * sim-core.c (sim_core_find_mapping): Replace calls to
1441         sim_io_error to more resiliant sim_engine_abort.
1442
1443         * sim-n-core.h (sim_core_read_unaligned_N): Ditto.
1444         (sim_core_write_unaligned_N): Ditto.
1445
1446 Tue May 13 13:50:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1447
1448         * sim-module.c: Add sim_events_install to list.
1449
1450         * sim-events.c (sim_events_install, sim_events_uninstall): Clonse
1451         from sim_core_*.
1452         (sim_events_init): Now returns SIG_RC.
1453
1454         * sim-run.c: New file. Generic sim_engine_run.
1455         * sim-reason.c: New file. Generic sim_stop_reason.
1456         * sim-stop.c: New file. Generic sim_stop.
1457         * sim-resume.c: New file. Generic sim_resume.
1458
1459         * Make-common.in (sim-engine.o): Add rule.
1460         (sim-run.o, sim-reason.o, sim-stop.o, sim-resume.o): Ditto.
1461
1462         * sim-engine.h, sim-engine.c: New file. Provide generic
1463         implementation of sim_engine_halt, sim_engine_error. et.al.
1464
1465         * sim-base.h (sim_state_base): Add member halt.
1466         (sim-engine.h): Include.
1467
1468         * sim-events.h (sim_event_handler): Always pass SIM_DESC to event
1469         handlers.
1470         * sim-events.c (sim_events_poll): Update event handler.
1471
1472 Tue May 13 09:57:49 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1473
1474         * sim-events.h, sim-events.c (sim_events_watch_clock): New
1475         function.
1476         (sim_events_watch_sim): New function.
1477         (sim_events_watch_core): New function.
1478         (sim_watch_valid): New function.
1479         (sim_events_preprocess): New function.
1480         (sim_events_process): Process the watchpoints as well as the timer
1481         queue.
1482         (sim_events_tick): Check WORK_PENDING instead of the hold queue.
1483         (sim_events_deschedule): Check all the queues when removing an
1484         event.
1485         (sim_events_init): Ditto for cleaning.
1486
1487 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1488
1489         * sim-fpu.c (is_ufpu_number): Comment out - currently unused.
1490
1491 Mon May 19 11:23:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1492
1493         * callback.c (os_open): Type of arg flags is int.
1494
1495 Fri May 16 22:26:43 1997  Michael Meissner  <meissner@cygnus.com>
1496
1497         * sim-fpu.c (sim_fpu_is_{eq,ne,lt,le,gt,ge}): Compare Infinities
1498         just like normal numbers as per IEEE rules.
1499
1500 Wed May 14 21:20:38 1997  Bob Manson  <manson@charmed.cygnus.com>
1501
1502         * callback.c (os_close): Mark the descriptor as being
1503         available if the close succeeded.
1504         (os_open): Pass 0644 as the mode of the file being created.
1505
1506 Thu May 15 10:58:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1507
1508         * sim-fpu.c (pack_fpu, unpack_fpu): New functions - decode a
1509         float.
1510
1511         * sim-inline.c (SIM_INLINE_C): Rename from _SIM_INLINE_C_.
1512         * sim-lnline.h: Update.
1513
1514         * sim-fpu.h, sim-fpu.c (sim_fpu_[iu]{32,64}to): New int2fp
1515         conversion functions.
1516         (sim_fpu_to{32,64}[iu]): New fp2int functions.
1517
1518         * sim-fpu.h, sim-fpu.c (sim_fpu_is_{lt,le,eq,ne,ge,gt}): New fp
1519         compare functions.  Replacing.
1520         (sim_fpu_cmp): This. Delete.
1521
1522 Mon May 12 14:49:05 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1523
1524         * sim-core.c (sim_core_find_mapping): Call engine_error not
1525         sim_io_error when possible.
1526
1527 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1528
1529         * sim-endian.h (V1_H2): Add macro's to insert a word into a
1530         high/low double word.
1531
1532         * sim-trace.h: Remove definition of attribute - defined in
1533         sim_basics.h.
1534
1535 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1536
1537         * sim-options.h (struct OPTION): Add doc_opt as the documenting
1538         name of the option - or family of options.
1539
1540         * sim-options.c (sim_args_command): Match command `a-b c' with
1541         option `--a-b-c' from option table.
1542
1543 Thu May  8 12:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1544
1545         * sim-options.c (sim_print_help): For optional arguments, wrap
1546         them in [].
1547
1548         * sim-trace.c (set_trace_options): New function, handle optional
1549         argument and multiple assignment.
1550         (trace_option_handler): Update.
1551
1552         * sim-trace.c (trace_option_handler): Trace branch and not fpu
1553         when branch tracing selected.
1554
1555 Wed May  7 15:19:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1556
1557         * sim-trace.c (trace_one_insn): Make a va-args function.
1558
1559         * sim-trace.c (trace_vprintf): New function, va-arg version of
1560         trace_printf.
1561
1562 Tue May  6 16:38:16 1997  Doug Evans  <dje@canuck.cygnus.com>
1563
1564         * sim-trace.c (trace_uninstall): Don't close a file twice.
1565         * sim-profile.c (profile_uninstall): Likewise.
1566
1567 Tue May  6 06:14:01 1997  Mike Meissner  <meissner@cygnus.com>
1568
1569         * sim-trace.c (toplevel): Include bfd.h.
1570         (trace_options): Note that --trace-linenum also turns on
1571         --trace-insn.  Add --trace-{branch,semantics}.
1572         (trace_option_handler): If --trace-linenum, also turn on
1573         --trace-insn.  Add --trace-branch support.  If --trace-semantics,
1574         turn on ALU, FPU, branch, and memory tracing.
1575         (trace_one_insn): New function to trace an instruction.  Support
1576         --trace-linenum.
1577         (OPTION_TRACE_*): Use an enum, rather than lots of defines.
1578
1579         * sim-trace.h (TRACE_{SEMANTICS,BRANCH}_IDX): Add new macros.
1580         (MAX_TRACE_VALUES): Use 32, not 12 by default.
1581         (TRACE_branch): Add new mask.
1582         (TRACE_*_P): Define all possible trace_p macros.
1583         (trace_one_insn): Declare function.
1584
1585 Mon May  5 14:08:34 1997  Mike Meissner  <meissner@cygnus.com>
1586
1587         * sim-trace.h (__attribute__): Define as nothing if not GNU C or
1588         GNU C doesn't support __attributes__.
1589         ({trace,debug}_printf): Add attribute's so -Wformat can check the
1590         format strings.
1591
1592 Mon May  5 11:16:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1593
1594         * sim-config.h (FORCED_ALIGNMENT): New alignment option -
1595         addresses are masked forcing them to be correctly aligned.
1596         (WITH_ALIGNMENT): Make NONSTRICT_ALIGNMENT the default.
1597         * sim-config.c (config_alignment_to_a): Update.
1598
1599         * sim-core.h (sim_cpu_core): New data type contains cpu specific
1600         core data.
1601         * sim-base.h (CPU_CORE): Add cpu specific core data to cpu base
1602         type.
1603         * sim-core.c (sim_core_attach): Add CPU argument.  Ready for
1604         processor specific core maps.
1605         (sim_core_map_attach): Copy the core map data to each of the
1606         processor specific core data structures.
1607         * sim-core.c (sim_core_find_mapping): Update.
1608
1609         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Rename.
1610         (sim_core_write_aligned_N, sim_core_write_aligned_N): New names.
1611         (sim_core_write_unaligned_N, sim_core_write_unaligned_N): New
1612         alternatives that handle unaligned addresses.
1613         (sim_core_{read,write}_{,un}aligned_N): Drop SIM_DESC arg, replace
1614         with just CPU arg.
1615         * cgen-utils.c (sim_disassemble_insn): Update.
1616
1617 Mon May  5 13:19:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1618
1619         * sim-trace.h (TRACE_FPU_IDX): Add Floating-point specific
1620         tracing.
1621
1622         * sim-fpu.h, sim-fpu.c: New files - prototype for generic target
1623         fpu support.
1624
1625         * sim-inline.h, sim-inline.c: Add support for SIM_FPU.
1626
1627 Fri May  2 17:59:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1628
1629         * sim-core.c (sim_core_map_to_str): New function ascii equivalent
1630         to map type.
1631
1632         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Use in trace
1633         statement.
1634
1635 Fri May  2 17:28:02 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1636
1637         * cgen-trace.c: Prepend additional trace_printf argument.
1638
1639         * cgen-utils.c (sim_disassemble_insn): Add additional core
1640         arguments.
1641
1642 Fri May  2 11:40:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1643
1644         * nrun.c (main): Catch/report errorenous simulator states.
1645
1646         * sim-module.c: #include "libiberty.h" so that xmalloc is defined.
1647         * sim-trace.c: #include string.h/strings.h so that memset is
1648         defined.
1649         * sim-utils.c: Ditto.
1650         * sim-profile.c: Ditto. And stdlib.h.
1651         (print_bar): Only define when used by instruction or memory profiler.
1652
1653         * sim-options.c (standard_option_handler): Make ul more local.
1654
1655         * sim-load.c (sim_load_file): Make the name constant.
1656         (sim_load_file): Passify gcc.
1657
1658         * sim-utils.h: New file, pre-declare utilites in corresponding .c
1659         file.
1660         * sim-utils.c, sim-load.c: Include sim-utils.h.
1661
1662         * sim-base.h (sim_cpu): Pre define here so available to all.
1663
1664         * sim-core.h (DECLARE_SIM_CORE_WRITE_N, DECLARE_SIM_CORE_READ_N):
1665         Restore the sim_cpu and instruction_address arguments so that full
1666         information is available to the abort function.
1667         * sim-core.c (sim_core_find_mapping, sim_core_write_buffer): Ditto.
1668         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1669
1670         * sim-trace.h, sim-trace.c (trace_option_handler): Add interim
1671         tracing support for sim-events and sim-core.
1672         (trace_option_handler): Convert #if to if where possible so always
1673         compiled/checked by C compiler.
1674         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1675
1676         * sim-base.h: Adjust comment documenting how to define the cpu
1677         structure.
1678         (sim_state_base): Add sim_core and sim_events to simulator base
1679         object.
1680
1681         * sim-trace.h, sim-trace.c (trace_printf): Add SIM_DESC argument.
1682         * sim-core.c (sim_core_init, sim_core_attach,
1683         sim_core_find_mapping): Update.
1684         * sim-events.c (ETRACE, sim_events_init, sim_events_time,
1685         update_time_from_event, insert_sim_event,
1686         sim_events_schedule_after_signal, sim_events_deschedule,
1687         sim_events_tick): Ditto.
1688
1689         * sim-basics.h (sim-module.h, sim-trace.h, sim-profile.h,
1690         sim-model.h): Move #includes from here.
1691         * sim-base.h: To here.
1692         (sim-core.h, sim-events.h, sim-io.h): Include also
1693
1694 Wed Apr 30 15:37:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1695
1696         * callback.c (default_callback): Missing initialisers.
1697
1698 Thu May  1 10:40:47 1997  Doug Evans  <dje@canuck.cygnus.com>
1699
1700         * sim-utils.c (sim_add_commas): New function.
1701         * sim-basics.h (sim_add_commas): Add prototype.
1702         * cgen-scache.c (scache_print_profile): Print commas in numbers.
1703         * sim-profile.c (COMMAS): New macro.
1704         (print_*): Use it to print commas in numbers.
1705
1706         * configure: Regenerated.
1707
1708         * cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
1709         (cgen_state): New member run_fast_p.
1710         (cgen_init): Add prototype.
1711         (sim_disassemble_insn): New arg `cpu'.
1712         * cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
1713         * cgen-utils.c (cgen_init): New function.
1714         (sim_disassemble_insn): New arg `cpu'.  Rewrite fetching of insn.
1715         * genmloop.sh: Call engine_halt if loop exits.
1716
1717         * Makefile.in (sim-options_h): Define.
1718         (sim-{module,options,trace,profile,utils}.o): Clean up dependencies.
1719         (sim-model.o): Add new rule.
1720         (cgen-{scache,trace,utils}.o): Add new rules.
1721         * aclocal.m4 (SIM_AC_OPTION_{SCACHE,DEFAULT_MODEL}): Add.
1722         * cgen-scache.c (scache_print_profile): Change `sd' arg to `cpu'.
1723         Indent output by 2 spaces.
1724         * cgen-scache.h (scache_print_profile): Update.
1725         * cgen-trace.c (trace_insn_fini): Indent output by 2 spaces.
1726         Use trace_printf, not fprintf.
1727         (trace_extract): Use trace_printf, not cgen_trace_printf.
1728         * genmloop.sh (!FAST case): Increment `insn_count'.
1729         * sim-base.h (sim_state_base): Only include scache_size if WITH_SCACHE.
1730         (sim_cpu_base): Rename member `sd' to `state' to be consistent with
1731         access macro's name.
1732         * sim-core.c (sim_core_init): Use EXTERN_SIM_CORE to define it.
1733         Change return type to SIM_RC.
1734         (sim_core_{install,uninstall}): New functions.
1735         * sim-core.h (sim_core_{install,uninstall}): Declare.
1736         (sim_core_init): Use EXTERN_SIM_CORE to define it.
1737         Change return type to SIM_RC.
1738         * sim-model.h (models,machs,model_install): Declare.
1739         * sim-module.c (modules): Add scache_install, model_install.
1740         (sim_post_argv_init): Set cpu->state backlinks.
1741         * sim-options.c (standard_options): Delete --simcache-size,--max-insns.
1742         (standard_option_handler): Likewise.
1743         * sim-profile.c (PROFILE_{HISTOGRAM,LABEL}_WIDTH): Move to
1744         sim-profile.h.
1745         (*): Assume ANSI C.
1746         (profile_options): Delete --profile-simcache.
1747         (profile_option_handler): Likewise.
1748         (profile_print_insn): Change `sd' arg to `cpu'.  Indent output 2
1749         spaces.
1750         (profile_print_{memory,model}): Likewise.
1751         (profile_print_simcache): Delete.
1752         (profile_print_speed): New function.
1753         (profile_print): Rewrite.
1754         * sim-profile.h (PROFILE_scache): Renamed from PROFILE_simcache.
1755         (WITH_PROFILE_SCACHE_P): Renamed from WITH_PROFILE_SIMCACHE_P.
1756         (PROFILE_DATA): Delete members simcache_{hits,misses}.
1757         (PROFILE_COUNT_SIMCACHE_{HIT,MISS}): Delete.
1758         (PROFILE_{CALLBACK,CPU_CALLBACK}): New types.
1759         (profile_print): Update prototype.
1760
1761 Wed Apr 30 11:34:14 1997  Doug Evans  <dje@canuck.cygnus.com>
1762
1763         * cgen-scache.[ch], cgen-sim.h: New files.
1764         * cgen-trace.[ch], cgen-types.h, cgen-utils.c, genmloop.sh: New files.
1765         * sim-model.c: New file.
1766
1767         * Make-common.in (clean targets): Undo patch of Apr. 22.
1768
1769 Fri Apr 25 15:28:32 1997  Mike Meissner  <meissner@cygnus.com>
1770
1771         * sim-n-bits.h (signed): If we have a standard compiler, undef
1772         signed, so that signedN is defined correctly.
1773
1774 Thu Apr 24 00:00:07 1997  Doug Evans  <dje@canuck.cygnus.com>
1775
1776         * sim-module.h, sim-model.h, sim-profile.h: New files.
1777         * sim-module.c, sim-profile.c: New files.
1778         * Make-common.in (SIM_PROFILE): Define
1779         (CONFIG_CFLAGS): Add $(SIM_PROFILE).
1780         (sim_main_headers): Add sim-module.h, sim-model.h, sim-profile.h.
1781         (sim_module.o,sim-profile.o): Add rules for.
1782         * aclocal.m4 (--enable-sim-trace): Allow symbolic arguments.
1783         (--enable-sim-profile): Add.
1784         * configure: Regenerated.
1785         * sim-base.h (sim_state_base): New members init_list, uninstall_list,
1786         model.  Move trace and profile support to sim-{trace,profile}.h.
1787         New members trace_data, profile_data.
1788         * sim-basics.h: #include sim-module.h, sim-model.h, sim-profile.h.
1789         * sim-config.h: Provide default definition of WITH_PROFILE.
1790         (WITH_TRACE): Change default to -1.
1791         (MAX_NR_PROCESSORS): Always define.
1792         * sim-options.c: Move trace and profile support to
1793         sim-{trace,profile}.h.
1794         (sim_pre_argv_init): Moved to sim-model.c.
1795         (standard_install): New function.
1796         * sim-options.h (sim_pre_argv_init): Move decl to sim-model.c.
1797         (standard_install): Declare.
1798         * sim-trace.c: Tracing option handling moved here from sim-options.c.
1799         (trace_install, trace_uninstall): New functions.
1800         (trace_printf): Update reference to TRACE_FILE.
1801         * sim-trace.h (TRACE_FOO_IDX): Moved here from sim-base.h.
1802         (TRACE_foo): Bit masks for symbolic arguments to --enable-sim-trace.
1803         (WITH_TRACE_FOO_P): Define.
1804         (trace_install): Declare.
1805         (TRACE_DATA): New struct.
1806
1807 Wed Apr 23 17:23:15 1997  Doug Evans  <dje@canuck.cygnus.com>
1808
1809         * run.c: Undo last exec_bfd patch.
1810         (main): Only pass -E ifdef SIM_HAVE_BIENDIAN.
1811
1812 Wed Apr 23 17:54:27 1997  Mike Meissner  <meissner@cygnus.com>
1813
1814         * run.c (exec_bfd): Add back in.
1815         (main): Set exec_bfd.
1816
1817 Tue Apr 22 14:43:46 1997  Doug Evans  <dje@canuck.cygnus.com>
1818
1819         * sim-load.c (sim_load_file): #include <stdio.h> for NULL.
1820
1821 Wed Apr 23 02:55:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1822
1823         * sim-events.c (insert_sim_event): Call sim_io_error instead of
1824         less well defined engine_error.
1825         * sim-core.c: Ditto.
1826
1827 Tue Apr 22 08:48:16 1997  Stu Grossman  (grossman@critters.cygnus.com)
1828
1829         * Make-common.in:  Change clean targets to use :: so that other
1830         Makefiles can have their own clean targets.
1831         * sim-load.c (xprintf eprintf):  Use ANSI_PROTOTYPES instead of
1832         __STDC__ to control use of stdarg vs. varargs syntax.  Some
1833         systems can't use __STDC__, but require stdarg.
1834
1835 Fri Apr 18 11:14:43 1997  Doug Evans  <dje@canuck.cygnus.com>
1836
1837         * sim-options.c (standard_options): Add --endian.
1838         (standard_option_handler): Likewise.
1839
1840         * nrun.c: #include <signal.h>.
1841         (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1842         handler that calls sim_stop ().
1843
1844 Fri Apr 18 13:11:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1845
1846         * run.c (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1847         handler that calls sim_stop ().  Simulators may still be
1848         establishing their own handler.
1849
1850         * sim-events.c (sim_events_poll): Rename from
1851         sim_events_at_large_int.  Poll IO.
1852
1853         * sim-io.c (sim_io_poll_quit): New function - pass on a polling
1854         request.
1855
1856         * callback.c (os_poll_quit): New function poll for quit signal
1857         where needed.
1858         (default_callback): Include magic number.
1859
1860 Thu Apr 17 02:25:11 1997  Doug Evans  <dje@canuck.cygnus.com>
1861
1862         * aclocal.m4: Check for headers time.h, sys/time.h, sys/resource.h.
1863         Check for functions getrusage, time.
1864         * sim-basics.h (SIM_ELAPSED_TIME): New typedef.
1865         (sim_elapsed_time_get, sim_elapsed_time_since): Add prototypes.
1866         * sim-utils.c: #include time.h, sys/time.h, sys/resource.h if able.
1867         (sim_elapsed_time_get, sim_elapsed_time_since): New functions.
1868
1869         * sim-utils.c (sim_copy_argv, sim_analyze_program): New functions.
1870
1871         * sim-options.c, sim-options.h: New files.
1872         * sim-config.h (WITH_DEBUG): Provide default value of zero.
1873         * Make-common.in (nrun.o): Add rules for.
1874         * nrun.c: New file.
1875
1876         * run.c (main): Check return value of sim_open.
1877
1878         * Make-common.in (sim-options.o, sim-load.o, sim-trace.o): Add rules.
1879         (sim_main_headers): Add sim-trace.h.
1880         * run.c (exec_bfd, target_byte_order): Delete.
1881         (main): Pass -E <endian> to sim_open.  Delete code to load sections,
1882         call sim_load instead.  Check return code of sim_create_inferior.
1883         * sim-base.h (CURRENT_STATE): Define.
1884         (sim_state_base): Make typedef.  New members options, prog_argv,
1885         prog_bfd, text_{section,start,end}, start_addr, simcache_size,
1886         mem_size, memory [+ corresponding access macros].
1887         (sim_cpu_base): New typedef.
1888         * sim-trace.h: New file.
1889         * sim-trace.c: New file.
1890         * sim-basics.h: #include it.
1891         * sim-load.c: New file.
1892
1893 Tue Apr 15 15:10:13 1997  Ian Lance Taylor  <ian@cygnus.com>
1894
1895         * Make-common.in (INSTALL): Set to @INSTALL@.
1896         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1897         (install-common): Depend upon installdirs.  Use
1898         $(program_transform_name) directly, rather than using
1899         $(INSTALL_XFORM).
1900         (installdirs): New target.
1901         * Makefile.in (INSTALL): Set to @INSTALL@.
1902         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1903         (install-man): Depend upon installdirs.  Use
1904         $(program_transform_name) directly, rather than using
1905         $(INSTALL_XFORM).
1906         (installdirs): New target.
1907
1908 Tue Apr 15 15:08:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1909
1910         * sim-assert.h (SIM_ASSERT, ASSERT): Allow these macros to
1911         be overriden.
1912
1913 Wed Apr  9 16:06:44 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1914
1915         * sim-basics.h: Only bring in config.h and tconfig.h if
1916         HAVE_CONFIG_H.
1917
1918 Mon Apr  7 11:39:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1919
1920         * sim-config.h (WITH_TARGET_WORD_MSB): New Macro. Define the bit
1921         numbering convention of the target.
1922         * sim-config.c (print_sim_config): Print WITH_TARGET_WORD_BITSIZE
1923         and WITH_TARGET_WORD_MSB.
1924         (sim_config): When possible, check for consistency with bitsize
1925         and msb.
1926
1927         * sim-bits.h: Allow MSB to be other than zero.
1928         * sim-bits.c: Ditto.
1929         * sim-n-bits.h: Ditto.
1930
1931         * sim-bits.h (MSMASK*): New macros - converce to LSMASK*.
1932         * sim-n-bits.h (MSMASKEDn): Ditto.
1933
1934 Mon Apr 14 16:29:21 1997  Ian Lance Taylor  <ian@cygnus.com>
1935
1936         * Makefile.in (INSTALL): Change install.sh to install-sh.
1937
1938 Mon Apr  7 10:46:38 1997  Doug Evans  <dje@canuck.cygnus.com>
1939
1940         * sim-base.h (sim_state_base): Move `magic' to end of struct.
1941
1942 Mon Apr  7 15:53:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1943
1944         * run.c (main): Check that a program to run was specified.
1945
1946 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1947
1948         * aclocal.m4 (AC_TYPE_SIGNAL): Add check.
1949
1950         * configure: Regenerated to track ../common/aclocal.m4 changes.
1951         * config.in: Ditto.
1952
1953 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
1954
1955         * sim-endian.h: Move host {LITTLE,BIG}_ENDIAN support from here,
1956         * sim-config.h: To here.
1957
1958         * Make-common.in (SIM_EXTRA_DEPS): New config var.
1959         (sim_main_headers): Define.
1960         (sim-*.o): Depend on $(SIM_EXTRA_DEPS).
1961         (BUILT_SRC_FROM_COMMON): Move here from ../d30v/Makefile.in.
1962         (clean): Use it.
1963         (sim-utils.o): Add rule for.
1964         * sim-utils.o: New file.
1965         * sim-basics.h: #include sim-base.h.
1966         (zalloc): Make argument unsigned long.
1967         * sim-base.h: New file.
1968         * sim-inline.h (SIM_IO support): Delete.
1969         * sim-io.h: Delete inline support.
1970         * sim-io.c: Likewise.  sim-state.h renamed to sim-main.h.
1971         * sim-config.c: sim-state.h renamed to sim-main.h.
1972         * sim-core.c: Likewise.
1973         * sim-events.c: Likewise.
1974
1975         * run.c (main): Pass SIM_OPEN_STANDALONE to sim_open.
1976
1977         * aclocal.m4: Check for stdlib.h, string.h, strings.h, unistd.h.
1978         (sim-debug): Allow arguments.  Define WITH_DEBUG in addition to
1979         -DDEBUG.
1980         * configure: Regenerated to track ../common/aclocal.m4 changes.
1981
1982 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1983
1984         * configure: Regenerated to track ../common/aclocal.m4 changes.
1985
1986 Wed Apr  2 11:08:11 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1987
1988         * sim-config.h (WITH_ALIGNMENT, WITH_FLOATING_POINT,
1989         WITH_XOR_ENDIAN, WITH_SMP, WITH_RESERVED_BITS): Assume that these
1990         are defined by the configure.
1991
1992         * aclocal.m4 (sim-stdio): Add option stdio from ../ppc configure.
1993
1994         * aclocal.m4 (floating-point, xor-endian, alignment, smp,
1995         reserved-bits): Always define.
1996
1997         * sim-config.h, sim-config.c (sim_config): New function - and new
1998         file - co-ordinate the setting/checking of the common simulator
1999         configuration options.
2000
2001         * Make-common.in (sim-config.o): Add rule.
2002
2003 Fri Mar 28 15:32:00 1997  Mike Meissner  <meissner@cygnus.com>
2004
2005         * callback.c (os_{,e}vprintf_filtered): Change stdarg type to
2006         va_list from void *, since va_list might not be a pointer type.
2007
2008 Mon Mar 24 15:27:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2009
2010         * sim-n-endian.h (offset_N): Correct assertion - word and sub word
2011         in wrong order.
2012         (offset_N): Correct computation of LE offset.
2013
2014         * sim-io.c (sim_io_error): Include a new line when reporting
2015         errors.
2016
2017         * sim-assert.h (SIM_FILTER_PATH): Out by one when locating last
2018         `/'.
2019
2020 Thu Mar 20 22:31:06 1997  Jeffrey A Law  (law@cygnus.com)
2021
2022         * run.c: Include alloca-conf.h.
2023
2024         * callback.c (os_evprintf_filtered): Fix typo.
2025
2026 Fri Mar 21 13:36:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2027
2028         * run.c (string.h, strings.h, stdlib.h): Include.
2029
2030         * sim-events.c (sim_events_tick): Recent cleanup failed to return
2031         0 when nothing pending.
2032
2033         * run.c (sim_size, sim_trace): Plicate GCC - these two functions
2034         will soon be going away.
2035         (getopt): Plicate GCC.
2036
2037         * sim-endian.c (sim-io.h): Plicate GCC.
2038         * sim-bits.c (sim-io.h): Ditto.
2039         * sim-n-bits.h (ROTn): Ditto.
2040
2041         * sim-io.c (sim_io_error): Correct check for NULL.
2042
2043         * sim-assert.h (SIM_FILTER_PATH): Separate out the code filtering
2044         the __FILE__.
2045         * sim-events.c: Use SIM_FILTER_PATH to filter out the filename
2046         path.
2047
2048 Wed Mar 19 01:12:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2049
2050         * aclocal.m4 (SIM_AC_OPTION_*: Move so that they are outside of
2051         SIM_AC_COMMON - SIM_AC_COMMON was gobling arguments.
2052
2053 Tue Mar 18 20:48:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2054
2055         * sim-alu.h: Include sim-xcat.h.
2056
2057 Tue Mar 18 13:58:18 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2058
2059         * Make-common.in (sim-bits.c, sim-core.c, sim-endian.c,
2060         sim-events.c, sim-inline.c, sim-io.c): Define rules for building
2061         these.
2062
2063         * sim-events.c (sim_events_at_large_int): New function.  Just
2064         schedules an event every large-int ticks.
2065         (sim_events_init): Call.
2066         (sim_events_tick, sim_events_process): Move async handing to
2067         sim_events_process.  Move timer decrement so that it occures after
2068         events have been processed.
2069
2070         * sim-basics.h (struct _engine): Remove declaration.
2071
2072         * sim-events.h, sim-events.c: Rename type to sim_events.  Prefix
2073         everything with same.  Rename global struct to SIM_DESC.
2074         * sim-core.h, sim-core.c, sim-n-core.c: Ditto for sim_core.
2075         * sim-io.h, sim-io.c: Ditto.
2076
2077         * sim-assert.h: New file. Optional assertion checking macros.
2078         * sim-io.c (sim_io_error): Make just this function tolerant to
2079         null pointers.
2080
2081         * sim-xcat.h: New file. Define concatenate macros.
2082         * sim-basics.h (XCONCAT*): Move to sim-xcat.h.
2083         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Explicitly include
2084         concat macros.
2085
2086
2087 Tue Mar 18 12:44:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2088
2089         * sim-bits.h (LSMASK): New macro. Create mask of LS bits.
2090
2091 Mon Mar 17 18:10:05 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2092
2093         * sim-inline.h: Add definitions for sim-types.
2094         (ALL_BY_MODULE): New macro, encapsulate full inlining by the
2095         module.
2096
2097 Mon Mar 17 15:38:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2098
2099         * sim-events.h: Remove defunct reference to callback struct.
2100
2101 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2102
2103         * configure: Re-generate.
2104
2105 Mon Mar 17 15:04:47 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2106
2107         * Make-common.in (CSEARCH): Do not include the gdb directory in
2108         the search path.
2109
2110 Mon Mar 17 13:16:26 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2111
2112         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
2113         SIM_WARNING): Drop, requiring the simulator specific Makefile.in
2114         to explicitly incorporate these.
2115
2116         * aclocal.m4 (--enable-sim-alignment); New option. Strongly
2117         specify the alignment restrictions of the target architecture -
2118         without this option all alignment restrictions are accomodated.
2119         (--enable-sim-assert): New option.  Conditionally compile in
2120         assertion statements.
2121         (--enable-sim-float): New option. Strongly specify the target's
2122         floating point support.
2123         (--enable-sim-hardware): New option.  Specify the hardware devices
2124         included in the simulation.
2125         (--enable-sim-packages): New option.  Specify the hardware
2126         packages included in the simulation.
2127         (--enable-sim-regparm): New option.  Specify that parameters be
2128         passed in registers instead of on the stack.
2129         (--enable-sim-reserved-bits): New option. Specify that reserved
2130         bits within an instruction are are correctly set.
2131         (--enable-sim-smp): New option. Specify the level of SMP support
2132         to be included in the simulator.
2133         (--enable-sim-stdcall): New option.  Specify an alternative
2134         function call convention.
2135         (--enable-sim-xor-endian): New option.  Configure xor-endian
2136         support used by some targets to implement bi-endian support.
2137
2138 Fri Mar 14 19:51:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2139
2140         * aclocal.m4 (--enable-sim-hostendian): New option.  Allow the
2141         host endianness to be overridden.
2142         (--enable-sim-endian): Allow the target platform's byte order
2143         to be overridden.
2144         (--enable-sim-inline): Control the inlining of common components.
2145         (--enable-sim-bswap): For compatibility, also define WITH_BSWAP.
2146         (--enable-sim-warnings): Enable additional GCC compiler checks.
2147         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
2148         SIM_WARNINGS): Add.
2149
2150         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Rename from
2151         sim-*-n.h so that the names are uniq on dos machines
2152         * sim-core.c, sim-bits.c, sim-endian.c: Update.
2153
2154 Thu Mar 13 12:32:42 1997  Doug Evans  <dje@canuck.cygnus.com>
2155
2156         * run.c: #include "libiberty.h".
2157         (main): New locals sd,no_args,sim_argv.
2158         Run buildargv on -a option.  Pass argv to sim_open, argv[0]
2159         is program name.  Update call to sim_set_callbacks.
2160         Record result of sim_open, pass to other sim_foo routines.
2161
2162 Thu Mar 13 10:24:05 1997  Michael Meissner  <meissner@cygnus.com>
2163
2164         * callback.c (os_printf_filtered): Do not call exit(1) or print a
2165         final newline.
2166
2167 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2168
2169         * callback.c: Add os_flush_stdout and vprintf_filtered callbacks.
2170         Route stdout through buffered IO.
2171
2172         * callback.c: Add os_flush_stderr, os_write_stderr,
2173         os_evprintf_filtered functions to route error output through
2174         stderr.
2175
2176         * sim-io.h, sim-io.c (sim_io_flush_stderr, sim_io_flush_stdout):
2177         Correct return type - should be void.
2178
2179 Fri Mar  7 20:14:37 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2180
2181         * sim-basics.h: Clean up.  Many macro's moved to sim-inline.h.
2182
2183         * sim-config.h: Ditto.  For some options - eg WITH_DEVICES - do
2184         not provide a default value as undefined indicates disable code.
2185
2186 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2187
2188         * sim-core.h, sim-core-n.h, sim-core.c: Borrow code from ppc
2189         directory.
2190         * sim-events.h, sim-events.c: Ditto.
2191         * sim-io.h, sim-io.c: Ditto.
2192
2193 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2194
2195         * sim-alu.h (ALU_SUB_CA, ALU*_SUB_CA): New alu operation.
2196
2197         * sim-bits.h, sim-bits-n.h, sim-bits.c (LSMASKED*): New macro's
2198         extract the tail or least signifiant bits from an integer of the
2199         specified size.
2200
2201         * sim-bits.h, sim-bits.c: Clean up conditionally compiled #if
2202         WITH_TARGET_BITSIZE so that the compilation will fail when an
2203         unsupported bitsize value is defined.
2204
2205         (INSERTED*): Convert to functions.
2206         (EXTRACTED*): Ditto.
2207
2208         (SIGN_EXTEND, SEXT): Change to more terse name.
2209
2210 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2211
2212         * sim-inline.h: Allow explicit control over which .c files will be
2213         included by their header.
2214
2215         * sim-inline.h: Allow explicit control over which .c files use the
2216         alternative - REGPARM - parameter passing mechanism.
2217
2218         * sim-inline.h, sim-inline.c: Don't attempt to include any of
2219         icache.c, idecode.c, semantics.c or support.c.  Those names are
2220         not generally applicable.
2221
2222 Thu Feb 27 10:17:23 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2223
2224         * sim-bits.c, sim-bits-n.h (new): Split sim-bits.c into two parts
2225         in a fashion similar to sim-endian-n.
2226
2227         * sim-endian.h: (H_word, L_word, AL_*, VL_*): Extend to include
2228         both value and address macro's.
2229
2230 Tue Feb 25 18:51:57 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2231
2232         * sim-alu.h (ALU16_BEGIN, ALU16_SET, ...): Fill in.
2233
2234         * sim-endian.h (L_word, H_word): Replace MS2W_4, LS2W_4 with more
2235         generic L_word, H_word macro's.
2236
2237 Thu Feb 20 18:36:55 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2238
2239         * sim-basics.h: Borrow code from ppc directory.
2240         * sim-bits.c: Ditto.
2241         * sim-bits.h: Ditto.
2242         * sim-config.h: Ditto.
2243         * sim-endian-n.h: Ditto.
2244         * sim-endian.c: Ditto.
2245         * sim-endian.h: Ditto.
2246         * sim-inline.c: Ditto.
2247         * sim-inline.h: Ditto.
2248         * sim-types.h: Ditto.
2249
2250 Wed Feb 19 12:40:50 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2251
2252         * sim-alu.h (ALU_SET16, ALU_SET32, ALU_SET64, etc): Make available
2253         all the ALU size alternatives and then auto-configure a default.
2254
2255         * sim-alu.h: Copy ppc/idecode_expression.h.
2256
2257 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2258
2259         * bits.h, bits.c (SIGN_EXTEND32, SIGN_EXTEND64): New functions,
2260         sign extend a bit within a value.
2261
2262         * sim-endian.h, sim-endian-n.h (offset_N): New functions - return
2263         a pointer into the middle of a host word.
2264         * sim-endian.h (MS2W_4, LS2W_4): Use this function.
2265
2266 Tue Feb 11 13:46:49 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
2267
2268         * callback.c: If HAVE_CONFIG_H is defined, include config.h from
2269         autoconf.  If HAVE_UNISTD_H is defined, include unistd.h to get
2270         appropriate definitions of read, write, etc.  Add prototype for
2271         system.
2272
2273 Tue Feb  4 13:24:44 1997  Doug Evans  <dje@canuck.cygnus.com>
2274
2275         * Makefile.in (libcommon.a): Delete.
2276         (callback.o,targ-map.o): Delete, moved to Make-common.in.
2277         (gentmap,targ-vals.h,targ-map.c): Likewise.
2278         (run-autoconf): Delete.
2279         * aclocal.m4 (SIM_AC_OUTPUT): Redo creation of Makefile.
2280         (common makefile fragment): Moved back into ...
2281         * Make-common.in: Resurrect.
2282         * configure.in (AC_LINK_FILES): Delete, unnecessary now.
2283         * configure: Regenerated.
2284
2285 Fri Jan 31 07:16:49 1997  Doug Evans  <dje@canuck.cygnus.com>
2286
2287         * aclocal.m4 (SIM_AC_COMMON): Move COMMON_MAKEFILE_FRAG from here.
2288         (SIM_AC_OUTPUT): To here.
2289
2290 Fri Jan 24 10:37:17 1997  Stu Grossman  (grossman@critters.cygnus.com)
2291
2292         * aclocal.m4 (COMMON_MAKEFILE_FRAG):  Quote a couple of $'s in
2293         comments and single quotes.  Fixes a problem found on hpux.
2294
2295 Thu Jan 23 13:35:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
2296
2297         * aclocal.m4:  Remove Make-common.in from dependencies.
2298         * (distclean):  Remove targ-vals.def.
2299
2300         * aclocal.m4 (SIM_AC_COMMON):  Move contents of Make-common.in
2301         into here.  Makes insertion into makefiles easier.  Also, change
2302         the way that callback.o, gentmap, targ-vals.h, targ-map.c,
2303         targ-map.o, and run are built.  They are now built in the
2304         individual simulator directories, taking sources from ../common as
2305         necessary.  This replaces the merging of libcommon.a into
2306         linsim.a, which was problematic for the WinGDB build process.
2307         * run.c:  Include config.h from . instead of ../common.
2308         * Make-common.in:  Remove.  It's no longer necessary.
2309
2310 Mon Dec 16 15:02:33 1996  Ian Lance Taylor  <ian@cygnus.com>
2311
2312         * Make-common.in (ALL_CLAGS): Put CFLAGS at the end.
2313         (.c.o): Put $(ALL_CFLAGS) before the file being compiled.
2314
2315 Wed Dec 11 11:30:58 1996  Jim Wilson  <wilson@cygnus.com>
2316
2317         * run.c (main): Set target_byte_order before call to sim_open.
2318
2319 Sun Dec  8 18:22:06 1996  Doug Evans  <dje@canuck.cygnus.com>
2320
2321         * callback.c: #include <stdlib.h>
2322         (os_error): New function.
2323         (default_callback): Add os_error.
2324
2325 Mon Nov 25 19:44:35 1996  Doug Evans  <dje@canuck.cygnus.com>
2326
2327         * Make-common.in (Makefile): Set CONFIG_HEADERS="".
2328         * aclocal.m4: Mark the fact that --enable-sim-bswap isn't host
2329         specific.
2330         (SIM_AC_OUTPUT): Don't build Makefile if CONFIG_FILES="".
2331
2332 Wed Nov 20 01:11:04 1996  Doug Evans  <dje@canuck.cygnus.com>
2333
2334         * run.c: #include ../common/config.h, tconfig.h.
2335         (myname): New static global.
2336         (main): Recognize new options -a, -c.  Also recognize -h if h8/300.
2337         Only process -c ifdef SIM_HAVE_SIMCACHE.
2338         Only process -p/-s ifdef SIM_HAVE_PROFILE.
2339         Parse program name from argv[0] and use in error messages.
2340         Pass sim_args to sim_open.  Pass prog_args to sim_create_inferior.
2341         Add support for incomplete h8/300 termination indicators.
2342         (usage): Make more verbose.
2343         * aclocal.m4,config.in,tconfig.in,configure.in,configure: New files.
2344         * Makefile.in,Make-common.in,callback.c: New files.
2345         * nltvals.def,gentmap.c,gentvals.sh: New files.
2346
2347 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
2348
2349         * run.c: Include stdarg.h if __STDC__.
2350
2351 Tue Oct 15 11:16:31 1996  Jeffrey A Law  (law@cygnus.com)
2352
2353         * run.c (main): Don't print out anything if the signal
2354         number is zero (ie no signal).
2355
2356 Tue Oct 15 11:20:44 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2357
2358         * run.c (main): Print out if the program raised a signal.
2359
2360 Wed Sep 18 09:52:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2361
2362         * run.c (exec_bfd): Rename from sim_bfd, to use the gdb name.
2363         (main): Ditto.
2364
2365 Tue Sep 17 11:04:50 1996  James G. Smith  <jsmith@cygnus.co.uk>
2366
2367         * run.c (main): Explicitly cast malloc() parameter.
2368
2369 Thu Sep 12 11:27:21 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2370
2371         * run.c (sim_bfd): New global to hold the bfd pointer for the
2372         executable.
2373         (main): Initialize sim_bfd.
2374
2375 Fri Dec 15 16:27:49 1995  Ian Lance Taylor  <ian@cygnus.com>
2376
2377         * run.c (main): Use new bfd_big_endian macro.
2378
2379 Wed Nov  8 15:49:49 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
2380
2381         * run.c (main): Removed SH specific comments, so source is
2382         generic. Also updated to only load relevant sections. Moved
2383         sim_open() to after callback attach (to match GDB).
2384
2385         * run.1: Removed SH specific comments.
2386
2387 Sat Oct 21 12:31:01 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
2388
2389         * run.c (main): Always return sigrc at end.
2390
2391 Tue Oct 10 12:03:13 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
2392
2393         * run.c (main): Print error diagnostic and exit if bfd_openr() or
2394         bfd_check_format() fails.
2395
2396 Thu Sep 28 15:40:36 1995  steve chamberlain  <sac@slash.cygnus.com>
2397
2398         * run.c, run.1: From sh directory.
2399
2400