sim/common/ChangeLog

   1 Fri Jan 23 14:20:54 1998  Doug Evans  <devans@seba.cygnus.com>
   2
   3         * Make-common.in (stamp-tvals): New rule.
   4         (targ-vals.h,targ-map.c): Depend on it.
   5         (clean): Remove stamp-tvals.
   6
   7 Tue Jan 20 21:35:13 1998  Michael Meissner  <meissner@cygnus.com>
   8
   9         * sim-utils.c (sim_state_alloc): #if 0 variable that is only used
  10         in code also #if 0'ed.
  11
  12 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
  13
  14         * configure: Regenerated to track ../common/aclocal.m4 changes.
  15         * aclocal.m4: Recognize --enable-maintainer-mode.
  16
  17 Mon Jan 19 12:45:45 1998  Doug Evans  <devans@seba.cygnus.com>
  18
  19 start-sanitize-cygnus
  20         * Make-common.in (cgen-{arch,cpu,decode}): New targets.
  21         * cgen.sh: New file.
  22 end-sanitize-cygnus
  23         * cgen-scache.h: Deleted.
  24         * Make-common.in (cgen-run.o,cgen-scache.o): Delete cgen-scache.h dep.
  25         (CGEN_CPU_SCM): Add sim-model.scm.
  26         * cgen-scache.c: Only compile contents if WITH_SCACHE.
  27         (scache_init): Use runtime computed size of SCACHE.
  28         (scache_flush): Likewise.
  29         * cgen-mem.h (GETIMEMU[QHSD]I): Declare.
  30         ([GS]ETT{QI,UQI,HI,UHI,SI,USI,DI,UDI}): Declare.
  31         * cgen-sim.h: Scache support moved here.
  32         (PC): Redo definition.
  33         (ARGBUF,SCACHE,PARALLEL_EXEC): Provide forward decls.
  34         (DECODE): Add parallel execution support.
  35         Only include semantic label members if using switch.
  36         (SWITCH,CASE,BREAK,DEFAULT,ENDSWITCH): Portable computed goto support.
  37         (CGEN_CPU): Delete members exec_state, halt_sigrc, halt_jmp_buf.
  38         (IADDR,CIA,SEM_ARG,EX_FN_NAME,SEM_FN_NAME,RECORD_IADDR,SEM_ARGBUF,
  39         SEM_NEXT_PC,SEM_BRANCH_VIA_{CACHE,ADDR},SEM_NEW_PC_ADDR): Moved here
  40         from cgen-types.h.
  41         (engine_{stop,run,resume,halt,signal}): Delete decls.
  42         * cgen-types.h (CGEN_{XCAT3,CAT3}): Delete.
  43         (argbuf,scache): Delete forward decls.
  44         (STATE): Delete decl.
  45         * cgen-utils.c: Don't include decode.h, mem-ops.h, sem-ops.h.
  46         Include cgen-mem.h, cgen-ops.h.
  47         (engine_halt,engine_signal): Delete.
  48         ({ex,exc,sem,semc}_illegal): Delete.
  49         (sim_disassemble_insn): Result of extract fn is in bits.
  50         * genmloop.sh: Rewrite.
  51
  52         * cgen-trace.c (trace_insn): Set printed_result_p=0 if not tracing
  53         line numbers.
  54
  55         * sim-base.h (sim_state_base): Delete member `model'.
  56         (sim_cpu_base): Add member `model'.
  57         * sim-model.h (IMP_PROPERTIES): New type.
  58         (MACH): New members imp_props, models.
  59         (models): Delete decl.
  60         * sim-model.c (set_model): Update.
  61         * sim-profile.c (profile_print_model): Update.
  62
  63         * sim-utils.c (sim_state_alloc): Delete setting of cpu backlink here.
  64
  65 Fri Jan 16 12:33:09 1998  Nick Clifton  <nickc@cygnus.com>
  66
  67         * cgen-trace.c (trace_insn): Call CGEN_INSN_MNEMONIC() rather than
  68         CGEN_INSN_SYNTAX().
  69
  70 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  71
  72         * configure: Regenerated to track ../common/aclocal.m4 changes.
  73         * config.in: Ditto.
  74
  75 Mon Dec 15 23:16:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  76
  77         * aclocal.m4 (AR): Check for sigaction.
  78
  79 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  80
  81         * Make-common.in (sim-core.o): Depend on $(sim_main_headers).
  82
  83         * sim-config.h (WITH_TREE_PROPERTIES): Define as 0.
  84         * sim-config.c (sim_config): Replace WITH_DEVICES with
  85         WITH_TREE_PROPERTIES.
  86
  87         * configure: Regenerated to track ../common/aclocal.m4 changes.
  88
  89 Wed Dec  3 17:56:02 1997  Doug Evans  <devans@canuck.cygnus.com>
  90
  91         * Make-common.in (SIM_ENVIRONMENT): New variable.
  92         (CONFIG_CFLAGS): Add it.
  93         * aclocal.m4 (SIM_AC_OPTION_ENVIRONMENT): Handle
  94         --enable-sim-environment option.
  95         * configure: Regenerated.
  96         * sim-config.h (environment support): Rewrite.
  97         * sim-config.c (current_environment): Define as enum, unconditionally.
  98         (current_alignment): Define unconditionally.
  99         (config_environment_to_a): Update.
 100         (config_alignment_to_a): Fix type of argument.  Define unconditionally.
 101         (sim_config): Handle environment and alignment determination
 102         unconditionally.  Delete sanity checks of current_environment,
 103         unnecessary.
 104         (print_sim_config): Update.
 105         * sim-options.c (STANDARD_OPTIONS enum): Add OPTION_ENVIRONMENT.
 106         (standard_options): Add --environment.
 107         (standard_option_handler): Likewise.
 108
 109 Fri Nov 28 12:21:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 110
 111         * sim-alu.h: Add notes on carry vs borrow for subtraction.
 112         (ALU{,8,16,32,64}ADD): Redefine ADD macro as add overflowing.
 113         (ALU{,8,16,32,64}ADDC): Define - add carrying.
 114         (ALU{,8,16,32,64}SUB): Redefine SUB macro as subtract overflowing.
 115         (ALU{,8,16,32,64}SUBB): Define - subtract borrowing.
 116         (ALU{,8,16,32,64}SUBC): Define - tract carrying.
 117         (ALU{,8,16,32,64}ADD_CA, ALU{,8,16,32,64}ADDC_C): Replace single
 118         argument ADD_CA macro with two argument ADDC_C - add carrying with
 119         carry in.
 120         (ALU{,8,16,32,64}SUB_CA, ALU{,8,16,32,64}SUBC_X): Replace single
 121         argument SUB_CA macro with two argument SUBC_X - subtract
 122         carrying, extended.
 123         (ALU{,8,16,32,64}SUBB_B): Define - subtract borrowing with
 124         borrow-in.
 125         (ALU{,8,16,32,64}NEGC, ALU{,8,16,32,64}NEGB): Define.
 126
 127 Sun Nov 30 17:40:57 1997  Michael Meissner  <meissner@cygnus.com>
 128
 129         * sim-io.c (sim_io_{syscalls,getstring}): Delete.  No longer used.
 130         * sim-io.h (sim_io_syscalls): Delete.
 131
 132 Fri Nov 28 20:10:09 1997  Michael Meissner  <meissner@cygnus.com>
 133
 134         * syscall.c (cb_syscall): Add missing else, so write to stdout
 135         isn't doubled.
 136
 137         * sim-alu.h (ALU{,8,16,32,64}_SET_CARRY): Provide macros to import
 138         the carry bit from the CPU's psw.
 139
 140 Fri Nov 28 11:15:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 141
 142         * gennltvals.sh: Redo syscall support.
 143         * nltvals.def: Regenerated.
 144
 145 Wed Nov 26 16:49:38 1997  Michael Meissner  <meissner@cygnus.com>
 146
 147         * syscall.c (cb_syscall): If writing to stdout or stderr, flush
 148         the stream immediately.
 149
 150 Wed Nov 26 12:32:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 151
 152         * sim-io.c (sim_io_getstring): Delete unused len2.
 153         (sim_io_syscalls): Ditto for sys_errno.
 154
 155 Wed Nov 26 11:18:40 1997  Doug Evans  <devans@canuck.cygnus.com>
 156
 157         * syscall.c (cb_syscall): Test CB_SYSCALL struct magic number.
 158
 159         * Make-common.in (run.o): Depend on remote-sim.h.
 160         (nrun.o,sim-hload.o,sim-hrw.o): Likewise.
 161         (sim-io.o,sim-reason.o,sim-resume.o): Likewise.
 162
 163 Tue Nov 25 20:12:46 1997  Michael Meissner  <meissner@cygnus.com>
 164
 165         * sim-io.c (sim_io_syscalls): Disable lseek.
 166
 167 Tue Nov 25 00:12:38 1997  Doug Evans  <devans@seba.cygnus.com>
 168
 169 start-sanitize-d30v
 170         * gennltvals.sh: Generate syscall values for d30v.
 171 end-sanitize-d30v
 172         * gennltvals.sh: Use libgloss/syscall.h for sparc.
 173         * nltvals.def: Regenerate.
 174
 175         * callback.c (os_stat): Make 3rd arg a host struct stat ptr.
 176         (os_fstat): Likewise.  Validate fd argument.
 177         (cb_host_to_target_stat): Delete big_p arg.  If HS arg is NULL,
 178         just compute target stat struct length.
 179         * syscall.c: #include "libiberty.h", <sys/types.h>, <sys/stat.h>.
 180         (ENOSYS,ENAMETOOLONG): Provide definitions if missing.
 181         (get_string): Return host errno values so they can be properly
 182         translated later.
 183         (cb_syscall): Likewise.
 184         (cb_syscall, cases open,unlink): Use get_path instead of get_string.
 185         (cb_syscall, case read): Use read_stdin for file descriptor 0.
 186         (cb_syscall, case write): Use write_stderr for file descriptor 2.
 187         (cb_syscall): Add cases for lseek, unlink, stat, fstat, time.
 188         (get_path): New function.
 189
 190 Mon Nov 24 18:56:07 1997  Michael Meissner  <meissner@cygnus.com>
 191
 192         * sim-io.c (sim_io_syscalls): New function to provide system call
 193         emulation.  Provide exit, open, close, read, write, lseek, and
 194         unlink.
 195         (sim_io_getstring): New function to return a string from a
 196         simulated memory location.
 197
 198         * sim-io.h (sim_io_syscalls): Add declaration.
 199
 200 Mon Nov 24 12:09:59 1997  Doug Evans  <devans@seba.cygnus.com>
 201
 202         * sim-core.c (sim_core_signal): Fix spelling error in message.
 203
 204         * sim-hrw.c (sim_read): Use read map, not write map.
 205
 206         * Make-common.in (all): Add .gdbinit.
 207         * gdbinit.in: Add dump command.
 208
 209         * sim-model.c (model_options): Use '\0' for `shortopt'.
 210
 211         * sim-trace.c (trace_option_handler): Set state trace file
 212         for --trace-file in addition to cpu's values.
 213         (trace_vprintf): If cpu == NULL, try state's trace file.
 214         (trace_options): Reorganize table, reword some descriptions.
 215
 216 Sun Nov 23 10:57:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 217
 218         * sim-fpu.c (sim_fpu_abs, sim_fpu_neg, sim_fpu_inv), sim-fpu.h:
 219         New functions.
 220
 221 Sat Nov 22 19:16:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 222
 223         * sim-reason.c (sim_stop_reason): For sim_signalled, return the
 224         signal untranslated, document problem with this.
 225
 226         * nrun.c (main): Check for a prog name of `*step'.  If present,
 227         step the simulator instead of allowing it to run free.
 228
 229         * sim-signal.c (SIGQUIT): Define on _MSC_VER hosts.
 230
 231         * Make-common.in (sim_main_headers): Add sim-signal.h.
 232
 233 Fri Nov 21 09:32:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 234
 235         * sim-signal.c (sim_signal_to_host): Return 0 for SIM_SIGNONE.
 236
 237 Thu Nov 20 20:35:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 238
 239         * sim-signal.h: Start simulator signals at 64 so that host signal
 240         numbers can be detected and reported.
 241
 242         * sim-signal.h (SIM_SIGFPE), sim-signal.h: Add signal.
 243
 244 Wed Nov 19 12:02:41 1997  Doug Evans  <devans@seba.cygnus.com>
 245
 246         * callback.c (cb_host_to_target_stat): Fix return values.
 247
 248         * cgen-sim.h (enum_signal_type): Delete.
 249         (engine_signal): Update prototype.
 250         * cgen-utils.c: Don't include <signal.h>.
 251         (sim_signal_to_host): Delete, lives in sim-signal.c now.
 252         (engine_signal): Update.
 253
 254         * sim-utils.c (sim_state_alloc): Call SIM_STATE_ALLOC if defined.
 255         (sim_state_free): Call SIM_STATE_FREE if defined.
 256
 257         * sim-module.c (sim_module_install): Don't leave any modules
 258         installed if one fails to install.
 259
 260 Wed Nov 19 13:25:48 1997  Michael Meissner  <meissner@cygnus.com>
 261
 262         * sim-options.c: Don't include ../libiberty/alloca-conf.h any
 263         more, since alloca is not used in this file.
 264
 265         * sim-alu.h (ALU{32,64}_*): Rewrite 32 and 64 bit ALU support to
 266         correctly set the carry and overflow bits for those types.
 267         (ALU{8,16,32,64}_{ADD,SUB}_CA): Take VAL argument to add along
 268         with carry, so carry is correct after doing both adds.
 269         (ALU*): Space out '\' to make it easier to read.
 270
 271 Tue Nov 18 15:53:45 1997  Doug Evans  <devans@canuck.cygnus.com>
 272
 273         * sim-core.c (sim_core_signal): Use sim_stopped instead of
 274         sim_signalled.
 275
 276         * sim-signal.c, sim-signal.h: New files.
 277         * Make-common.in (sim-signal.o): Add rule for.
 278         (SIM_NEW_COMMON_OBJS): Add sim-signal.o.
 279         * sim-abort.c: Don't include <signal.h>.
 280         * sim-basics.h: #include "sim-signal.h".
 281         * sim-break.c: Don't include <signal.h>.
 282         (sim_handle_breakpoint): Replace SIGTRAP with SIM_SIGTRAP.
 283         * sim-core.c: Don't include <signal.h>.
 284         (SIGBUS): Delete definition.
 285         (sim_core_signal): Replace SIGSEGV,SIGBUS with SIM_SIGSEGV,SIM_SIGBUS.
 286         * sim-engine.c: Don't include <signal.h>.
 287         (sim_engine_abort): Replace SIGABRT with SIM_SIGABRT.
 288         * sim-reason.c (sim_stop_reason): Call sim_signal_to_host.
 289         * sim-resume.c: Don't include <signal.h>.
 290         (SIGTRAP): Delete definition.
 291         (has_stepped): Replace SIGTRAP with SIM_SIGTRAP.
 292         * sim-stop.c: Don't include <signal.h>.
 293         (control_c_simulation): Replace SIGINT with SIM_SIGINT.
 294         * sim-watch.c: Don't include <signal.h>.
 295         (handle_watchpoint): Replace SIGINT with SIM_SIGINT.
 296
 297         * Make-common.in (SIM_NEW_COMMON_OBJS): New variable.
 298
 299         * sim-base.h (CIA_ADDR): Provide default definition.
 300         * sim-core.c (sim_core_signal): Use CIA_ADDR to fetch value.
 301         * sim-break.c (sim_handle_breakpoint): Likewise.
 302
 303 Mon Nov 17 14:15:31 1997  Doug Evans  <devans@seba.cygnus.com>
 304
 305         * Make-common.in (srccom): New variable.
 306
 307         * Make-common.in (DEP, COMMON_DEP_CFLAGS): Define.
 308         (LIB_OBJS): Add syscall.o.
 309         (gentmap): Pass $(NL_TARGET) to $(CC).
 310         (syscall.o): Add rule for.
 311         (sim_main_headers): Add $(SIM_EXTRA_DEPS).
 312         (sim-bits.o): Depend on $(sim-n-bits_h).
 313         (sim-load.o): Depend on callback.h.
 314
 315         * Make-common.in (cgen-*.o): Update dependencies, mem-ops.h renamed to
 316         cgen-mem.h, sem-ops.h renamed to cgen-ops.h.
 317         * cgen-mem.h, cgen-ops.h: New files.
 318
 319         * aclocal.m4 (--enable-sim-scache): Pass -DWITH_SCACHE=0 for "=no".
 320
 321         * Makefile.in (nltvals.def): Depend on gennltvals.sh.
 322         Rewrite build rule.
 323         * callback.c: #include string.h or strings.h.
 324         #include sys/types.h and sys/stat.h.
 325         (cb_init_syscall_map,cb_init_errno_map,cb_init_open_map): Declare.
 326         (os_get_errno,os_open): Update.
 327         (os_stat,os_fstat): New functions.
 328         (os_init): Initialize syscall_map, errno_map, open_map.
 329         (default_callback): Add entries for os_stat, os_fstat, syscall_map,
 330         errno_map, open_map, signal_map, stat_map.
 331         (cb_read_target_syscall_maps): New function.
 332         (cb_target_to_host_syscall): New function.
 333         (cb_host_to_target_errno): Renamed from host_to_target_errno.
 334         (cb_target_to_host_open): Renamed from target_to_host_open.
 335         (store): New function.
 336         (cb_host_to_target_stat): New function.
 337         * syscall.c: New file.
 338         * gentmap.c (sys_tdefs): New global.
 339         (gen_targ_vals_h): Output target syscall numbers.
 340         (gen_targ_map_c): Update.  Output target syscall translation map.
 341         * gentvals.sh: New first argument `target'.  Preface table with
 342         #ifdef NL_TARGET_$target if non-null target passed.
 343         * gennltvals.sh: New file.
 344         * nltvals.def: Regenerated.
 345
 346 Fri Nov 14 11:33:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 347
 348         * sim-n-core.h (sim_core_read_unaligned_N): Return static
 349         sim_core_dummy_M.
 350         (sim_core_dummy_M): Declare.
 351
 352 Wed Nov 12 18:16:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 353
 354         * sim-core.c (sim_core_signal): Print the address of the
 355         instruction.
 356
 357 Thu Nov 13 11:49:41 1997  Doug Evans  <devans@seba.cygnus.com>
 358
 359         * sim-base.h (sim_state_base): Move `magic' to end of struct.
 360
 361         * sim-base.h (sim_state_base): Add member trace_data.
 362         (STATE_TRACE_DATA): New macro.
 363         * sim-trace.h (TRACE_DEBUG_IDX,TRACE_debug): New macros.
 364         ({WITH_,}TRACE_DEBUG_P): New macros.
 365         (STATE_TRACE_FLAGS,STRACE_P,STRACE_DEBUG_P): New macros.
 366         (_sim_cpu): Delete forward reference.
 367         (debug_printf): Update.
 368         * sim-trace.c (OPTION_TRACE_DEBUG): Define.
 369         (trace_options): Add --trace-debug.
 370         (set_trace_options): Handle it.
 371         (trace_option_handler): Likewise.
 372         (trace_install): Init state trace_data struct.
 373         (trace_uninstall): Close state trace file.
 374         * sim-events.c (ETRACE): Only print source file and line number if
 375         --trace-debug.
 376         * sim-n-core.h (sim_core_trace_M): Likewise.
 377
 378         * sim-core.c (sim_core_signal): Add missing "\n" in message.
 379
 380 1997-11-13  Felix Lee  <flee@cygnus.com>
 381
 382         * sim-n-core.h (sim_core_read_unaligned_N): illegal empty
 383         initializer.
 384         * sim-types.h (unsigned128,signed128): fix typo for MSVC.
 385
 386 Wed Nov 12 12:18:08 1997  Doug Evans  <devans@canuck.cygnus.com>
 387
 388         * aclocal.m4 (SIM_AC_OPTION_SCACHE): Fix typo.
 389
 390         * Make-common.in (BUILT_SRC_FROM_COMMON): Remove files no longer
 391         built this way.
 392         (sim-config.o): Remove non-existent $(sim-nconfig_h) dependency.
 393         (clean): Don't delete $(BUILT_SRC_FROM_COMMON) if building in
 394         source tree.
 395
 396 Tue Nov 11 13:28:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 397
 398         * sim-events.c (sim_events_process): Re-compute the time -
 399         update_time_from_event - as each event is processed. Reverses
 400         previous change.
 401
 402 Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 403
 404         * callback.c (os_poll_quit): Replace _WIN32 with _MSC_VER.
 405
 406 Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 407
 408         * sim-events.c (sim_events_process): Delete redundant call to
 409         update_time_from_event.
 410         (sim_events_slip): Always decrement time_from_event.
 411         (sim_events_tick, sim_events_deschedule, update_time_from_event):
 412         Delete assertion that time_from_event >=0 when work in queue, no
 413         longer applicable.
 414
 415 Thu Nov  6 12:06:46 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 416
 417         * sim-options.c (STANDARD_OPTIONS): Change OPTION_* to an enum.
 418         (standard_option_handler): Update.
 419
 420         * sim-options.h: Clarify documentation.
 421         (OPTION_LONG_ONLY_P): Delete definition.
 422         (OPTION_VALID_P): Define.
 423
 424         * sim-options.c (sim_print_help): Allow short only options.
 425         (sim_parse_args): Ditto.
 426         (sim_args_command): Skip short only options.
 427         (sim_parse_args): Allocate space for NUM_OPTS not just 256. Make
 428         separate entries for short and long options in the HANDLERS and
 429         ORIG_VAL tables.
 430         (sim_parse_args): Disable argument permutation.
 431
 432 Wed Nov  5 13:40:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 433
 434         * sim-core.h (DECLARE_SIM_CORE_WRITE_N. DECLARE_SIM_CORE_READ_N):
 435         Add argument M, size of data type.
 436         (sim_core_read_misaligned_3, sim_core_write_misaligned_3):
 437         Declare, ditto for 5, 6 & 7 byte transfers.
 438         (sim_core_write_unaligned_1, sim_core_write_unaligned_1): Define
 439         as aligned variant.
 440
 441         * sim-n-core.h (sim_core_trace_M): Rename from
 442         sim_core_trace_N. Add nr_bytes argument. Replace transfer argument
 443         with transfer type. Print transfer direction.  Handle 1 and 2 byte
 444         transfers.
 445         (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Trace
 446         unaligned accesses.
 447         (unsigned_M, T2H_M, H2T_M): Rename from unsigned_N, T2H_N, H2T_N.
 448         Update all functions.
 449
 450         * sim-core.c: Generate functions starting with 16 not 1.
 451         (sim_core_read_unaligned_3): Generate. Ditto for 3 byte write and
 452         all 5, 6 & 7 byte transfers.
 453
 454         * sim-n-core.h (sim_core_read_misaligned_N,
 455         sim_core_write_misaligned_N): Implement.
 456
 457 Mon Nov  3 15:03:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 458
 459         * sim-endian.h (U16_8): Implement
 460
 461         * sim-endian.c (sim_endian_split_16, sim_endian_join_16): New functions
 462
 463         * sim-endian.h (VL8_16, VH8_16): Implement.
 464
 465         * sim-memopt.c (memory_option_handler): Typecast 64bit value to
 466         long in printf.
 467         (memory_option_handler): Only zalloc modulo bytes when non-zero.
 468         (memory_option_handler): Skip comma in alias address list
 469
 470 Fri Oct 31 13:03:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 471
 472         * sim-memopt.c (do_memopt_add, do_memopt_delete): Add level and
 473         space params.
 474         (parse_size, parse_addr): New functions
 475         (memory_option_handler, memory_options): Parse address & size
 476         using new functions. Pass level, space, modulo to do_memopt_add &
 477         do_memopt_del.
 478
 479         * sim-memopt.h (struct _sim_memopt): Add level & space fields.
 480
 481         * sim-core.h (sim_core_arrach, sim_core_detach): Replace
 482         `attach_type attach' argument with `unsigned level' argument.
 483         Document.
 484
 485         * sim-core.c (new_sim_core_mapping, sim_core_map_attach,
 486         sim_core_attach): Replace argument attach with level.  Update
 487         verification of arguments.
 488         (sim_core_map_detach, sim_core_detach): Replace argument attach
 489         with level.
 490
 491         * sim-basics.h (enum _attach_type): Delete.
 492
 493 Thu Oct 30 13:45:00 1997  Doug Evans  <devans@seba.cygnus.com>
 494
 495         * sim-core.h (sim_core_write_8): Define.
 496
 497 Tue Oct 28 12:29:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 498
 499         * sim-bits.h: Document ROTn macro.
 500
 501         * sim-endian.h (H2T): Handle 16 byte variables.
 502
 503         * sim-n-core.h (sim_core_read_unaligned_N): Return a dummy when an
 504         error.
 505
 506         * sim-core.c: Do not generate sim_core_*_word.
 507
 508         * sim-n-core.h (sim_core_trace_N): Add line_nr argument.
 509         (sim_core_write_aligned_N, sim_core_read_aligned_N): Update.
 510
 511         * sim-core.h (sim_core_read_unaligned_word,
 512         sim_core_read_aligned_word, sim_core_read_word,
 513         sim_core_write_unaligned_word, sim_core_write_aligned_word,
 514         sim_core_write_word): Change to macros that map onto sim_core_*_N.
 515
 516 Mon Oct 27 11:25:10 1997  Doug Evans  <devans@canuck.cygnus.com>
 517
 518         * sim-n-endian.h: Add TAGS entrys for 16 byte versions.
 519
 520         * sim-endian.h: Disable 16 byte support.
 521
 522 Mon Oct 27 12:00:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 523
 524         * sim-endian.c (_SWAP_16): Define.  Generate 126 bit swap code.
 525
 526         * sim-n-core.h (sim_core_trace_N): New function.
 527         (sim_core_read_aligned_N, sim_core_write_aligned_N): Use,
 528         (sim_core_read_unaligned_N): Do not retyrn bogus value wden error.
 529
 530         * sim-endian.h:  Add 128 bit variant.
 531
 532         * sim-core.h, sim-core.c: Add 128 bit variant.
 533
 534         * sim-types.h: Add signed128 and unsigned128 types using a struct.
 535
 536 Fri Oct 24 11:33:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 537
 538         * sim-events.c (sim_events_process): Clear events->work_pending.
 539         (sim_events_tickn, sim_events_tick): Accumulate, instead of
 540         setting, nr_ticks_to_process.
 541         (sim_events_preprocess): Allow nr_ticks_to_process to be non-zero
 542         when the event queue isn't next.
 543
 544         * sim-events.h, sim-events.c (sim_events_slip): New function.
 545
 546 Wed Oct 22 14:18:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 547
 548         * sim-hload.c (sim_load): Pass lma_p==0 and do_load=sim_load.
 549
 550         * sim-utils.h, sim-load.c (sim_load_file): Add lma_p and do_load
 551         arguments.
 552
 553 Tue Oct 21 18:37:57 1997  Doug Evans  <devans@canuck.cygnus.com>
 554
 555         * nrun.c (main): Remove useless test of name != NULL.
 556         Exit if bfd_openr fails.  Call bfd_check_format after bfd_openr.
 557
 558 Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 559
 560         * sim-fpu.c (EXPMAX): Type is unsigned.
 561         (MIN_INT, MAX_INT): Type is signed64.
 562         (i2fpu): Type of val is signed64.
 563
 564 Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 565
 566         * sim-profile.h (PROFILE_PC_BUCKET_SIZE): Treat a shift of zero as
 567         a bucket size of zero.
 568
 569         * sim-profile.c (OPTION_PROFILE_PC_GRANULARITY,
 570         OPTION_PROFILE_PC): Define.
 571         (profile_option_handler): Add support for --profile-pc and
 572         --profile-pc-granularity options.
 573         (profile_pc_init): When possible, compute nr buckets from bucket
 574         size.
 575
 576         * sim-profile.c (profile_pc_init): Align the profile-pc end
 577         address with the profile-pc bucket size.
 578
 579         * sim-profile.h (PROFILE_PC_NR_BUCKETS): Rename PROFILE_PC_SIZE to
 580         something less ambiguous.
 581         (PROFILE_PC_BUCKET_SIZE): Ditto for PROFILE_PC_SAMPLE_SIZE.
 582
 583         * sim-profile.c (profile_pc_cleanup): New function. Move
 584         profile_pc_uninstall code to here.
 585         (profile_pc_uninstall): Call.
 586         (profile_pc_init): Call.
 587
 588 Mon Oct 20 17:23:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 589
 590         * sim-profile.c (profile_print_pc): Dump pc profile to dmon.out
 591         file using BSD gprof format.
 592
 593         * sim-bits.h (LSBIT, MSBIT, BIT): Force result to type
 594         unsigned_word.
 595         (LSBIT8, LSBIT16, LSBIT32, LSBIT64, MSBIT8, MSBIT16, MSBIT32,
 596         MSBIT64): Force result to unsignedN.
 597
 598 Thu Oct 16 11:38:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 599
 600         * sim-alu.h (ALU16_BEGIN, ALU32_BEGIN, ALU64_BEGIN): Drop opening
 601         brace from macro.
 602         (ALU8_BEGIN, ALU8_SET, ALU8_ADD, ALU8_SUB, ALU8_NEGATE): Define.
 603         (ALU16_ADD, ALU16_SUB, ALU16_NEGATE): Simplify arrithmetic.
 604         (ALU32_ADD, ALU32_SUB, ALU32_NEGATE): Simplify arrithmetic.
 605         (ALU64_ADD, ALU64_SUB, ALU64_NEGATE): Simplify arrithmetic.
 606
 607 Wed Oct 15 09:24:19 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 608
 609         * sim-core.h (struct _sim_core_mapping): Change free_buffer to
 610         type void*.
 611
 612         * sim-core.c (sim_core_uninstall, new_sim_core_mapping,
 613         sim_core_map_attach, sim_core_map_detach): Change free_buffer to
 614         type void*.
 615         (sim_core_attach): Rename buffer_freed to free_buffer, type
 616         void*. Ensure that allocated buffer is alligned according to
 617         region's address.
 618
 619 Mon Oct 13 11:34:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 620
 621         * sim-alu.h (ALU64_HAD_OVERFLOW): Define.
 622         (ALU64_SUB): Define.
 623
 624         * Make-common.in (all): Build SIM_EXTRA_ALL first.
 625         (.gdbinit): Remove dependencies, generate once per build.
 626
 627 Tue Oct 14 19:20:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 628
 629         * sim-n-core.h (sim_core_read_aligned_N,
 630         sim_core_write_aligned_N): Make xaddr param type address_word not
 631         unsigned_word.
 632
 633 Fri Oct  3 09:49:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 634
 635         * sim-fpu.h, sim-fpu.c: Rewrite.  Change sim_fpu object to an
 636         unpacked floating point struct.  Pass sim_fpu object by reference.
 637         Add preliminary support for rounding modes.
 638
 639 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 640
 641         * configure: Regenerated to track ../common/aclocal.m4 changes.
 642
 643 Thu Oct  2 19:43:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 644
 645         * aclocal.m4 (sim-bitsize): Fix typo, WITH_TARGET_WORD_BITSIZE not
 646         WITH_TARGET_BITSIZE.
 647
 648 Thu Sep 25 23:20:20 1997  Felix Lee  <flee@yin.cygnus.com>
 649
 650         * sim-profile.c (profile_print_core): label needs empty statement.
 651
 652 Thu Sep 25 11:20:47 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 653
 654         * sim-break.c (sim_set_breakpoint sim_clear_breakpoint):  Use ZALLOC
 655         and zfree instead of xmalloc and free.  Prevents warnings.
 656
 657 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 658
 659         * configure: Regenerated to track ../common/aclocal.m4 changes.
 660
 661 Wed Sep 24 17:23:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 662
 663         * Make-common.in (SIM_BITSIZE): Assign from configured value.
 664         (CONFIG_CFLAGS): Add SIM_BITSIZE.
 665
 666         * aclocal.m4 (--enable-sim-bitsize): Developer option for
 667         controling the bitsize/msb of the target.
 668
 669 Wed Sep 24 17:41:40 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 670
 671         * Make-common.in:  New files sim-break.c, sim-break.h.
 672         * sim-base.h:  Add point to breakpoint list to sim_state_base.
 673         * sim-break.c sim-break.h:  New modules that implement intrinsic
 674         breakpoint support.
 675         * sim-module.c:  Add breakpoint module.
 676
 677 Tue Sep 23 00:26:39 1997  Felix Lee  <flee@yin.cygnus.com>
 678
 679         * sim-events.c (SIM_EVENTS_POLL_RATE): poll more often than once
 680         an hour.
 681         * sim-n-core.h (WITH_XOR_ENDIAN): MSVC barfs on
 682         if (0) { 1 % 0; }
 683         * sim-core.c (sim_core_xor_write_buffer): WITH_XOR_ENDIAN + 1.
 684         (SIGBUS) define for Windows.
 685         * sim-trace.c (trace_printf,debug_printf): added ALMOST_STDC.
 686         * sim-resume.c: define SIGTRAP for windows.
 687         * sim-xcat.h: use token pasting if ALMOST_STDC.
 688
 689 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 690
 691         * Make-common.in (SIM_SCACHE, SIM_DEFAULT_MODEL): Assign
 692         configured values.
 693         (CONFIG_CFLAGS): Add same.
 694
 695 Mon Sep 22 17:20:27 1997  Felix Lee  <flee@cygnus.com>
 696
 697         * sim-types.h (SIGNED64): ##i64 when _MSC_VER, not _WIN32.
 698         (SIGNED32): use ##i32.
 699
 700 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 701
 702         * configure: Regenerated to track ../common/aclocal.m4 changes.
 703
 704 Tue Sep 23 10:07:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 705
 706         * aclocal.m4 (sim-endian): Simplify logic determining [default]
 707         endian of target.
 708
 709         * Make-common.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 710         SIM_HOSTENDIAN, SIM_RESERVED_BITS, SIM_ASSERT, SIM_FLOAT,
 711         SIM_HARDWARE, SIM_INLINE, SIM_PACKAGES, SIM_REGPARM, SIM_SMP,
 712         SIM_STDCALL, SIM_XOR_ENDIAN): Assign configured values.
 713         (CONFIG_CFLAGS): Add same.
 714
 715         * aclocal.m4: Perform AC_SUBST on optional options.
 716
 717 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 718
 719         * sim-config.h (WITH_DEFAULT_ALIGNMENT): Don't hardwire any alignment.
 720
 721         * sim-options.c (standard_option_handler): Typo in warning message.
 722
 723         * sim-base.h (STATE_MODEL): Make conditional on SIM_HAVE_MODEL.
 724
 725         * sim-profile.c (profile_print_insn): Check 0 .. MAX_INSN for any
 726         insn count.  Make count conditional on there being a valid
 727         INSN_NAME.
 728         (profile_pc_init): Make default PC profile frequency an arbitrary
 729         256.
 730
 731         * sim-base.h: Ditto.
 732
 733         * sim-profile.h (WITH_PROFILE_MODEL_P): Only enable modeling when
 734         SIM_HAVE_MODEL.
 735
 736         * sim-model.h (struct MACH): Depreciate, to be replaced by bfd
 737         archure struct.
 738
 739 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 740
 741         * configure: Regenerated to track ../common/aclocal.m4 changes.
 742
 743 Mon Sep 22 11:45:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 744
 745         * aclocal.m4 (sim_alignment): Simplify logic for selecting the
 746         configured alignment.
 747
 748 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 749
 750         * configure: Regenerated to track ../common/aclocal.m4 changes.
 751
 752 Fri Sep 19 17:26:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 753
 754         * sim-config.c (sim_config): Check for default alignment.
 755
 756         * sim-options.c (standard_option_handler): Add alignment option.
 757
 758         * aclocal.m4 (sim_alignment): Allow configuration of hardwired and
 759         default alignment requirements on memory accesses.
 760
 761 Fri Sep 19 11:51:35 1997  Jeffrey A Law  (law@cygnus.com)
 762
 763         * sim-load.c (sim_load_file): Return failure if the executable
 764         had no loadable sections.
 765
 766 Wed Sep 17 13:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 767
 768         * sim-events.c (ETRACE): Use trace_printf not sim_io_printf for
 769         trace output.
 770
 771         * sim-core.c (sim_core_signal): When bad access halt simulator
 772         SIGSEGV / SIGBUS instead of aborting.
 773         (signal.h): Include.
 774
 775         * sim-watch.c (sim_watchpoint_install): Handler for watchpoint
 776         options was missing.
 777
 778         * sim-bits.h (MOVED): Define
 779
 780 Wed Sep 17 10:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 781
 782         * sim-alu.h (ALU32_HAD_OVERFLOW): Pacify GCC, Use MSBIT instead of
 783         BIT.
 784
 785         * sim-bits.h (LSBIT, MSBIT): Check for overflow of shift value.
 786
 787         * sim-bits.c: Add 8 bit versions of bit macros.
 788
 789         * sim-bits.h: Ditto.
 790
 791 Tue Sep 16 16:15:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 792
 793         * sim-bits.c (LSSEXT, MSSEXT): Replace SEXT.
 794         (LSINSERTED, MSINSERTED): Ditto for INSERTED.
 795
 796         * sim-n-bits.h (MSSEXTn, LSSEXTn): Replace SEXTn.
 797         (LSINSERTDn, MSINSERTEDN): Ditto for INSERTEDn.
 798
 799         * sim-bits.h (SEXT*): Define as MSEXT/LSEXT.
 800         (INSERTED*): Ditto for LSINSERTED/MSINSERTED.
 801
 802 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 803
 804         * aclocal.m4 (SIM_AC_COMMON): Add optional config.h file argument.
 805         configure.in: Output to cconfig.h instead of config.h.
 806
 807         * configure: Regenerated to track ../common/aclocal.m4 changes.
 808
 809 Mon Sep 15 15:39:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 810
 811         * sim-utils.c (sim_analyze_program): Set STATE_ARCHITECTURE from
 812         BFD if known.
 813
 814 Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>
 815
 816         * callback.c (os_write): divert stdout and stderr to their
 817         respective hooks.
 818
 819 Thu Sep 11 10:08:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 820
 821         * sim-profile.c (profile_print_speed): Call
 822         sim_events_elapsed_time instead of PROFILE_EXEC_TIME for moment.
 823
 824         * sim-events.c (sim_events_elapsed_time): New function return nr
 825         host MS consumed by the simulator.
 826         (sim_watch_valid): Use.
 827
 828         * sim-module.c (modules): Install sim_events very very early.
 829
 830         * sim-profile.c (profile_print): Call profile_print_pc.
 831         (print_bar):
 832         (profile_pc_init): New function, set up processor for PC
 833         profiling.
 834         (profile_print_pc): New function, print a PC profile.
 835         (profile_pc_event): New function, sample PC.
 836
 837         * sim-profile.h (PROFILE_PC_COUNT, PROFILE_PC_START,
 838         PROFILE_PC_END, PROFILE_PC_SHIFT, PROFILE_PC_SAMPLE_SIZE): Add to
 839         profile struct.
 840
 841         * sim-options.c (sim_print_help): Pacify GCC.
 842
 843         * sim-n-core.h (sim_core_read_aligned_N,
 844         sim_core_write_aligned_N): Add un-conditional profile call.
 845         (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Add
 846         profile call when aligned read/write isn't used.
 847
 848         * sim-base.h: Include sim-profile, sim-model after sim-core &
 849         sim-events allow sim-core to define useful values.
 850
 851         * sim-profile.c (OPTION_PROFILE_CORE): Define.
 852         (profile_option_handler, profile_options): Add support for
 853         --profile-core option.
 854         (print_bar): Include when core profiling.
 855         (profile_print_core): New function, print core profile.
 856
 857         * sim-config.c (print_sim_config): Print profile status.
 858
 859         * sim-profile.h (PROFILE_NEXT_IDX, PROFILE_core,
 860         WITH_PROFILE_PC_P): Define.
 861         (PROFILE_CORE_COUNT): Count each core-map/size separatly.
 862         (PROFILE_COUNT_CORE): Define.
 863
 864 Thu Sep 11 08:44:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 865
 866         * sim-watch.c (handle_watchpoint): Pass a char** index into the
 867         interrupt_names array as the data.
 868         (sim-watch.h): Document.
 869
 870 Wed Sep 10 16:15:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 871
 872         * sim-options.c (sim_print_help): When the doc string is to long
 873         word wrap it.
 874
 875         * sim-watch.c (sim_watchpoint_install): Use option.doc_name so
 876         that only the first few the watch options are listed.  Generate
 877         meanginful usage messages.
 878
 879         * sim-options.h (struct OPTION): Clarify use of doc_name field
 880
 881 Wed Sep 10 13:23:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 882
 883         * sim-options.c (OPTION_ARCHITECTURE_INFO): New option.
 884         (standard_option_handler): Handle --architecture-info.
 885
 886 Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>
 887
 888         * sim-core.h (sim_cpu_core): [WITH_XOR_ENDIAN + 1], to avoid
 889         illegal zero-sized array.
 890         * sim-core.c (sim_core_xor_read_buffer): same.
 891
 892 Tue Sep  9 11:20:35 1997  Doug Evans  <dje@canuck.cygnus.com>
 893
 894         * nltvals.def: Regenerate.
 895
 896 Tue Sep  9 02:10:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 897
 898         * sim-fpu.c (DP_FRACHIGH2): Define LL using SIGNED64.
 899
 900 Mon Sep  8 12:22:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 901
 902         * sim-bits.c (MASKED): Delete.
 903         (EXTRACTED): Delete.
 904         (LSEXTRACTED, MSEXTRACTED): New functions.
 905
 906         * sim-n-bits.h (MASKEDn): Delete, define as MSMASKED or LSMASKED.
 907         (MSMASKEDn, LSMASKEDn): Add last argument.
 908         (MSMASK*): Ditto.
 909
 910         * sim-bits.h (EXTEND8, EXTEND16): Define.
 911         (EXTRACTED64): Define as 64 bit extract, not 32 bit.
 912
 913         * sim-run.c (sim_engine_run): Use CPU_CIA macro.
 914
 915         * sim-engine.h (SIM_ENGINE_HALT_HOOK): Use CPU_CIA to get at
 916         current instruction address.
 917
 918         * sim-inline.h (*_ENGINE): Define.
 919
 920 Fri Sep  5 08:39:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 921
 922         * sim-core.c (sim_core_attach): Fix checks of modulo/mask.
 923
 924         * sim-watch.c (delete_watchpoint): Delete by ident and type.
 925         (watch_option_handler): Call delete_watchpoint with ident or type.
 926         (sim_watchpoint_install): Create interrupt specific watchpoint
 927         commands on the fly.
 928         (do_watchpoint_create): New function, create a watch point using
 929         type/int-nr info encoded in the option nr.
 930         (do_watchpoint_info): New function.  List active watchpoints.
 931
 932         * sim-watch.h: Change data structure to a list.
 933
 934         * sim-memopt.c (memory_option_handler): Require explicit "all"
 935         before deleting all memory regions.
 936
 937         * sim-utils.c (sim_do_commandf): New function, printf version of
 938         sim_do_command.
 939
 940         * sim-basics.h (asprintf, vasprintf): Hack, define for CYGWIN32.
 941
 942         * sim-alu.h (ALU64_ADD): Use explicit MSEXTRACTED64, do not assume
 943         bit endianness.
 944         (SIGNED64, UNSIGNED64): Delete.
 945         (ALU64_ADD): Don't rely on bit endianness.
 946         (ALU64_BEGIN): Define.
 947
 948         * sim-n-bits.h (MSEXTRACTEDn, LSEXTRACTED): New functions.
 949         (EXTRACTEDn): Delete, define as either LSEXTRACTED or MSEXTRACTED.
 950
 951         * sim-types.h (SIGNED64, UNSIGNED64): New macros, attach relevant
 952         suffix - u64, LL - to 64 bit constants.
 953
 954 Thu Sep  4 09:27:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 955
 956         * sim-config.c (sim_config): Add assert for SIM_MAGIC_NUMBER.
 957
 958         * sim-utils.h (NZALLOC): Define - zalloc * N.
 959
 960         * sim-hrw.c (sim_read, sim_write): New file.  Provide generic
 961         implementation of read/write functions.
 962
 963         * Make-common.in (sim-hrw.o): New target.
 964
 965         * sim-base.h (STATE_MEMOPT_P): Delete, simulators _always_ add
 966         memory.
 967
 968         * sim-memopt.c (memory_option_handler): Implement memory-size
 969         command. Implement memory-alias command.  Let memory-delete delete
 970         all memory regions.
 971         (add_memopt): New function.  Add a memory region.
 972         (do_memopt_delete): New function. Delete a memory region.
 973
 974         * sim-utils.c (sim_elapsed_time_get): Never return zero.
 975
 976         * sim-core.c (sim_core_detach): New function.
 977         (sim_core_map_detach): New function. Perform the actual detach.
 978         (sim_core_init): Move initialization code from here.
 979         (sim_core_install): To here.
 980         (sim_core_uninstall): And here.
 981
 982         * sim-module.c: Add memopt module.
 983
 984         * sim-base.h (STATE_MEMOPT, STATE_MEMOPT_P): Add memopt to
 985         simulator base type.
 986
 987         * Make-common.in (sim_main_headers): Add sim-memopt.h
 988         (sim-memopt.o): New target.
 989
 990         * sim-core.c (sim_core_install): Add core_options to the option
 991         table.
 992
 993         * sim-watch.c (watch_options): Make --delete-watch a synonym for
 994         --watch-delete.
 995
 996         * sim-config.h (WITH_MODULO_MEMORY): Define as 0.  Update
 997         comments.
 998
 999         * sim-core.h (struct _sim_core_mapping): Change nr_bytes to type
1000         address_word, add mask member.
1001
1002         * sim-core.h, sim-core.c (sim_core_attach): Make nr_bytes of type
1003         address_word, allow for 64bit targets in 32bit host. Add modulo
1004         argument.
1005         (sim_core_map_attach): Ditto.
1006         (new_sim_core_mapping): Ditto.
1007         (sim_core_translate): Mask address when modulo memory.
1008
1009 Wed Sep  3 17:32:54 1997  Doug Evans  <dje@seba.cygnus.com>
1010
1011         * sim-hload.c (sim_load): Add assert for SIM_MAGIC_NUMBER.
1012
1013         * gdbinit.in: New file.
1014         * aclocal.m4 (SIM_AC_OUTPUT): Build .gdbinit.
1015         * Make-common.in (distclean): Delete .gdbinit.
1016         (.gdbinit): Add rule for.
1017         * configure: Regenerated to track ../common/aclocal.m4 changes.
1018
1019         * Make-common.in (cgen-run.o): Add rule for.
1020
1021 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1022
1023         * sim-resume.c (sim_resume): Suspend/resume the simulator.
1024
1025         * sim-events.c (sim_watch_valid): Compute total elapsed time from
1026         both resumed and previous elapsed time.
1027         (sim_events_init): Set initial_wallclock and current_wallclock to
1028         zero.
1029         (sim_events_install): Install sim_events_suspend and
1030         sim_events_resume.
1031         (sim_events_watch_clock): Allow for suspended simulator when
1032         computing the time of the clock event.
1033
1034         * sim-events.h (struct _sim_event): Add resume_wallclock, rename
1035         initial_wallclock to elapsed_wallclock, set both to zero.
1036         (sim_events_init, sim_events_uninstall): Delete prototypes.
1037
1038         * sim-module.h (MODULE_SUSPEND_FN, MODULE_RESUME_FN): Define types.
1039
1040         * sim-module.c(sim_module_resume, sim_module_suspend): New
1041         functions.
1042
1043 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1044
1045         * sim-core.c (sim_core_map_attach): Clarify memory overlap error
1046         message.
1047
1048 Tue Sep  2 14:57:06 1997  Doug Evans  <dje@canuck.cygnus.com>
1049
1050         * Makefile.in (TAGS): Add support for "/* TAGS: foo */" marker.
1051         * Make-common.in (TAGS): Likewise.
1052         * sim-n-bits.h: Add TAGS comments for all functions.
1053         * sim-n-core.h: Likewise.
1054         * sim-n-endian.h: Likewise.
1055
1056 Mon Sep  1 10:50:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1057
1058         * sim-utils.c (sim_state_alloc): Set CPU backlinks, callback and
1059         kind.
1060
1061         * sim-base.h (sim_state_alloc): Add callback and kind arguments.
1062
1063         * sim-base.h (INVALID_INSTRUCTION_ADDRESS): Add default
1064         definition.
1065
1066 Sat Aug 30 09:47:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1067
1068         * sim-fpu.c (DP_GARDMSB, ...): Make unsigned.
1069         (DP_FRACHIGH, DP_FRACHIGH2, ..): Use MSMASK to avoid LL.
1070
1071 Fri Aug 29 13:37:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1072
1073         * sim-core.c (sim_core_map_attach): Cast attach enum to int.
1074         (sim_core_xor_read_buffer, sim_core_xor_write_buffer): Make
1075         nr_transfered and nr_this_transfer unsigned.
1076
1077         * sim-events.c (sim_events_tickn): N is signed, as limited to
1078         MAXINT.
1079
1080         * sim-n-endian.h (offset_N): Change size to unsigned.
1081
1082         * callback.c (os_poll_quit): Add prototypes for kbhit and getkey.
1083
1084 Fri Aug 29 10:10:53 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1085
1086         * sim-utils.c (sim_copy_argv): Delete, replaced by dupargv.
1087
1088         * sim-options.c (sim_parse_args): Use dupargv.
1089
1090 Thu Aug 28 10:36:34 1997  Doug Evans  <dje@canuck.cygnus.com>
1091
1092         * sim-options.c (standard_option_handler): Use xstrdup, not strdup.
1093
1094 Thu Aug 28 12:09:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1095
1096         * sim-base.h (STATE_ARCHITECTURE, STATE_TARGET): Add to simulator
1097         base type.
1098
1099         * sim-options.c (standard_options): Add --architecture=MACHINE and
1100         --target=TARGET options.
1101         (OPTION_ARCHITECTURE, OPTION_TARGET): Define.
1102         (standard_option_handler): Handle architecture and target options.
1103         (bfd.h): Include.
1104
1105         * sim-utils.c (sim_analyze_program): Pass STATE_TARGET to
1106         bfd_openr.
1107         (sim_analyze_program): Set prog_bfd architecture from
1108         STATE_ARCHITECTURE if known.
1109
1110 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1111
1112         * configure: Regenerated to track ../common/aclocal.m4 changes.
1113         * config.in: Ditto.
1114
1115 Wed Aug 27 18:11:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1116
1117         * aclocal.m4 (enable-sim-warnings): Remove comment stating
1118         that option does not apply to certain files.
1119
1120 Wed Aug 27 15:13:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1121
1122         * sim-bits.h (LSBIT8, LSBIT16, LSBIT32, LSBIT64, LSBIT, MSBIT8,
1123         MSBIT16, MSBIT32, MSBIT64, MSBIT): New macros - single bit as
1124         offset from MSB/LSB.
1125
1126         * sim-endian.h (A1_8, A2_8, A4_8, A1_4, A2_4, A1_2): New macro,
1127         access address of sub word quantity of a hosts 16, 32, 64 bit word
1128         type.
1129         (V1_2, V1_4, V2_4, V1_8, V2_8, V4_8): Ditto for values.
1130         (U8_1, U8_2, U8_4, U4_1, U4_2, U2_1): Ditto for set of values.
1131         (V2_H1, V2_L1, V4_H2, V4_L2, V8_L4, V8_H4): Given N byte argument,
1132         return N*2 byte value with argument in Hi/Lo word.  Renamed from
1133         V1_H2, V1_L2, V2_H4, V2_L4, V4_H8, V4_L8.
1134
1135         * sim-alu.h (ALU32_HAD_OVERFLOW): Use 64 bit mask not 32bit.
1136         (ALU16_HAD_CARRY, ALU32_HAD_CARRY, ALU16_HAD_OVERFLOW): Use MSBIT
1137         so that bit offset is explicit.
1138
1139 Wed Aug 27 11:55:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1140
1141         * sim-utils.c (sim_analyze_program): Add prog_name argument.
1142         Update STATE_PROG_BFD when needed with a dup'd copy of the
1143         program.
1144
1145         * sim-config.c (sim_config): Delete ABFD argument, use
1146         STATE_PROG_BFD directly.
1147
1148 Tue Aug 26 12:55:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1149
1150         * run.c (main): Pass the open ABFD to sim_create_inferior.
1151
1152         * nrun.c (main): Determine prog_bfd.  Pass to sim_create_inferior
1153         and sim_load.
1154         (bfd.h): Include.
1155
1156         * sim-hload.c (sim_load): New file. Implement generic sim_load for
1157         hardware only simulator targets.
1158
1159         * Make-common.in (sim-hload.o): Add rule.
1160
1161 Wed Aug 27 09:51:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1162
1163         * sim-utils.c (sim_copy_argv): Rewrite to match malloc strategy
1164         used by copyargv and freeargv.
1165
1166         * sim-options.c (sim_parse_args): Save a copy of PROG-ARGS in
1167         STATE_PROG_ARGV, not just a pointer.
1168
1169 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1170
1171         * configure: Regenerated to track ../common/aclocal.m4 changes.
1172         * config.in: Ditto.
1173
1174 Mon Aug 25 12:11:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1175
1176         * aclocal.m4 (sim-endian): Add second argument to
1177         SIM_AC_OPTION_ENDIAN.  First is hardwired endian, second is
1178         default endian when not hardwired.
1179
1180         * sim-config.h (WITH_DEFAULT_TARGET_BYTE_ORDER): New macro, if all
1181         else failes value for target byte order.
1182
1183         * sim-config.c (sim_config): Add abfd arguments. Set
1184         STATE_PROG_BFD accordingly.  Determine prefered_target_byte_order
1185         from same.
1186         (sim_config): Return SIM_RC, don't abort.
1187         (bfd.h): Include.
1188
1189         * run.c (main): Update call to sim_open - add ABFD argument.
1190         * nrun.c (main): Add NULL ABFD argument.
1191
1192 Thu Aug 14 12:48:57 1997  Doug Evans  <dje@canuck.cygnus.com>
1193
1194         * callback.c (os_poll_quit): Make static.
1195         Call sim_cb_eprintf, not p->eprintf.
1196         (sim_cb_printf, sim_cb_eprintf): New functions.
1197         * sim-utils.h (sim_cb_printf, sim_cb_eprintf): Declare.
1198
1199         * sim-basics.h (zalloc,zfree,sim_add_commas,SIM_ELAPSED_TIME,
1200         sim_elapsed_time_get,sim_elapsed_time_since): Move decls to
1201         sim-utils.h. #include sim-utils.h.
1202         * sim-utils.h: Above decls moved here.
1203         (sim_analyze_program,sim_load_file): Use `struct _bfd', not `bfd'.
1204
1205         * sim-watch.c (action_watchpoint): Fix thinkos.
1206
1207 Thu Jul 24 08:48:05 1997  Stu Grossman  (grossman@critters.cygnus.com)
1208
1209         * sim-types.h:  Fix defs of 64 bit data types for MSVC.
1210
1211 Tue Jul 22 10:35:37 1997  Doug Evans  <dje@canuck.cygnus.com>
1212
1213         * sim-n-core.h (sim_core_write_unaligned_N): Add missing break
1214         to FORCED_ALIGNMENT case.
1215
1216 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1217
1218         * callback.c (target_to_host_open): Handle hosts with O_BINARY.
1219
1220 Thu Jun  5 08:47:10 1997  Jeffrey A Law  (law@cygnus.com)
1221
1222         * Make-common.in (libsim.a): Fix typo.
1223
1224 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1225
1226         * nrun.c (main): Verify the structure returned before using it.
1227
1228 Wed Jun  4 11:44:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1229
1230         * sim-config.h (WITH_ENGINE): Enable the sim-engine module by
1231         default.
1232
1233         * sim-engine.c (sim_engine_install): New function.  Install the
1234         engine init functions.
1235         (sim_engine_init): [Re]initialize the simulator engine.
1236
1237         * sim-module.c: Add sim_engine to list of modules that always
1238         install.
1239
1240 Tue Jun  3 04:52:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1241
1242         * sim-watch.c (schedule_watchpoint): Use sim_unschedule_watchpoint
1243         to remove the old watchpoint, not delete_watchpoint.
1244         (watch_option_handler): Action the correct watchpoint, not just
1245         cycles.
1246
1247 Wed May 28 14:47:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1248
1249         * sim-n-core.h (sim_core_write_aligned_N): For 8byte reads, output
1250         both low and high word.
1251         (sim_core_write_aligned_N): Ditto.
1252
1253         * sim-trace.c (set_trace_options): Delete code explicitly setting
1254         core->trace.
1255
1256         * sim-options.c (sim_print_help): Call the list commands if not a
1257         standalone simulator.
1258         (sim_print_help): Advise that some options may not be applicable.
1259
1260         * sim-trace.c (set_trace_options): Assume core present.
1261
1262         * sim-events.c (sim_events_schedule_after_signal): Overflow signal
1263         buffer when full not almost full.
1264
1265 Tue May 27 14:32:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1266
1267         * sim-events.c (sim_events_process): Don't blat the event queue
1268         when processing watchpoints.
1269
1270         * sim-watch.h: Make arg unsigned long - stop sign extension.
1271
1272         * sim-events.c (sim_watch_valid): rewrite so debugable.
1273
1274         * sim-config.h (WITH_XOR_ENDIAN): Default to zero.
1275
1276         * sim-watch.c (schedule_watchpoint): Add is_within option so that
1277         inequality test is possible.
1278         (handle_watchpoint): Re-pass is_within arg.
1279         (watch_option_handler): When `!' prefix to pc-watchpoint arg pass
1280         0 to schedule_watchpoint's is_within arg.
1281         (sim_watchpoint_init): Re-pass is_within arg.
1282
1283         * sim-options.c (sim_print_help): Add is_command argument.  Don't
1284         include -- prefix when called from the command line interpreter.
1285
1286         * sim-watch.c (schedule_watchpoint): Pass true is_within argument.
1287
1288         * sim-events.c (sim_events_watch_sim): Add is_within argument,
1289         zero indicates that the test should be reversed.
1290         (sim_events_watch_core): Ditto.
1291         (WATCH_CORE): Compare range against is_within.
1292         (WATCH_SIM): Ditto.
1293
1294 Tue May 27 12:48:03 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1295
1296         * sim-events.c (WATCH_CORE): Pass NULL cpu argument to
1297         sim_core_read_buffer.  Check nr-bytes transfered.
1298
1299         * sim-core.h (sim_core_common): Define a new struct that contains
1300         the common data.  to sd and cpu structures.
1301         * sim-core.c (sim_core_attach): Update.
1302         (sim_core_init): Update. Remember to copy initialized data to each
1303         cpu.
1304         (sim_core_find_mapping): Ditto.
1305
1306         * sim-core.c (sim_core_read_buffer): Add cpu argument.
1307         (sim_core_write_buffer): Ditto.
1308
1309         * sim-n-core.h (sim_core_read_unaligned_N): When mis-aligned
1310         transfer use xor version of read buffer.
1311         (sim_core_write_unaligned_N): Ditto for write.
1312
1313         * sim-core.c (sim_core_xor_read_buffer): New function implement
1314         xor-endian data read breaking transfer up into xor-endian sized
1315         blocks.
1316         (sim_core_xor_write_buffer): Ditto for write.
1317         (reverse_n): Reverse order of arbitrary number of bytes in buffer
1318         - needed for xor-endian transfers.
1319
1320 Fri May 23 14:24:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1321
1322         * sim-inline.h: Review description.
1323
1324         * sim-core.h, sim-core.c: Reduce number of functions being inlined
1325         to just those involved in data transfers and configuration.
1326
1327         * sim-xcat.h (XSTRING): New macro, map macro definition onto
1328         string.
1329         * sim-n-core.h (sim_core_read_aligned_N): Use.
1330         (sim_core_read_unaligned_N): Ditto.
1331         (sim_core_read_unaligned_N): Ditto..
1332         (sim_core_write_unaligned_N): Ditto.
1333
1334         * sim-core.h: Add xor endian bitmap to main structure.  *
1335
1336         sim-n-core.h (sim_core_write_aligned_N): Add suport for xor
1337         endian.
1338         (sim_core_read_aligned_N): Ditto.
1339
1340         * sim-core.c (sim_core_set_xor_endian): New function.
1341         (sim_core_attach): Don't overwrite the per-cpu xor map when
1342         cloning the global core.
1343
1344 Fri May 23 10:53:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1345
1346         * sim-engine.h: Update below so that it is using an enumerated
1347         type.
1348
1349 Thu May 22 09:12:16 1997  Gavin Koch  <gavin@cygnus.com>
1350
1351         * sim-engine.c (sim_engine_restart):
1352         * sim-resume.c (sim_resume): Change longjmp param/setjmp
1353         return value used for simulator restart from 0 to 2.
1354
1355 Wed May 21 08:47:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1356
1357         * cgen-scache.c (scache_option_handler): Add is_command arg.
1358
1359         * sim-model.c (model_option_handler): Add is_command argument.
1360
1361         * sim-profile.c (profile_option_handler): Add is_command arg.
1362
1363         * sim-events.c (sim_watch_valid): Use ub64, lb64 when 64bit value
1364         involved.
1365
1366         * sim-module.c (sim_module_add_init_fn): Call init fn in the same
1367         order that they are registered.
1368
1369         * sim-options.h (OPTION_HANDLER): Add argument to differentiate
1370         between option and command line processing.
1371
1372         * sim-options.c: Include stdlib.h, ctype.h.
1373
1374         * Make-common.in (sim-watch.o): Add rule.
1375         (sim_main_headers): Assume sim-assert.h included.
1376         (sim-*.o): Simplify make rule.
1377
1378         * sim-module.c: Add sim_watch_install to module list.
1379
1380 Tue May 20 14:15:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1381
1382         * sim-base.h (STATE_LOADED_P): New predicate. Set once everything
1383         has been loaded.
1384
1385         * sim-trace.c (trace_install): Check magic. Include sim-assert.h.
1386         * sim-events.c (sim_events_install): Ditto.
1387         * sim-core.c (sim_core_install): Ditto.
1388         * sim-model.c (model_install): Ditto.
1389         * sim-options.c (standard_install): Ditto.
1390         * sim-profile.c (profile_install): Ditto.
1391         * sim-reason.c (sim_stop_reason): Ditto.
1392         * sim-run.c (sim_engine_run): Ditto.
1393         * sim-utils.c (sim_analyze_program): Ditto.
1394
1395         * sim-module.c (modules): Make profile_install and trace_install
1396         optional.
1397
1398         * sim-base.h (STATE_MEM_BASE): Define for flat memory systems.
1399
1400         * sim-options.c (standard_option_handler): Set the byte order.
1401
1402         * sim-events.c (sim_events_process): Allow multi tick processing.
1403         (sim_events_tickn): New function - multi cycle tick.
1404
1405         * sim-events.h (sim_events_tickn, sim_events_timewarp): Add
1406         prototypes.  Under development.
1407         (sim_events): Replace processing with nr_ticks_to_process.
1408
1409 Tue May 20 09:39:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1410
1411         * nrun.c (main): Pass callbacks to sim_open instead of using
1412         sim_set_callbacks.
1413
1414         * run.c (main): Ditto.
1415
1416 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1417
1418         * sim-events.c (sim_events_zalloc): Signal save memory allocator -
1419         stop tk interrupting malloc calls.
1420         (sim_events_zalloc): Converse.
1421
1422         * Make-common.in (sim_main_headers): Add sim-events.h.
1423
1424         * sim-events.c (sim_events_schedule_after_signal): Change return
1425         type to void - signal events are strictly internal.
1426         (sim_events_init): Allocate a finite buffer for signal events.
1427         (sim_events_schedule_after_signal): Enter signal events into the
1428         signal buffer.
1429
1430         * sim-engine.c (sim_engine_halt): Check SIM_DESC magic.
1431         (sim_engine_restart): Ditto.
1432         (sim_engine_abort): Ditto.
1433         * sim-stop.c (sim_stop): Ditto.
1434         (control_c_simulation): Ditto.
1435         * sim-resume.c (sim_resume): Ditto.
1436         (has_stepped): Ditto.
1437         * sim-abort.c (sim_engine_abort): Ditto.
1438
1439         * sim-basics.h (transfer_type): New type.
1440
1441         * sim-core.c (sim_core_signal): New function. Print core signal
1442         information.
1443         (sim_core_find_mapping): Add transfer argument.
1444
1445         * sim-n-core.h (sim_core_{write,write}_unaligned_N): Call
1446         SIM_CORE_SIGNAL if a recoverable abort.
1447         * sim-core.c (sim_core_find_mapping): Ditto.
1448
1449 Fri May 16 15:13:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1450
1451         * sim-core.c (sim_core_find_mapping): Replace calls to
1452         sim_io_error to more resiliant sim_engine_abort.
1453
1454         * sim-n-core.h (sim_core_read_unaligned_N): Ditto.
1455         (sim_core_write_unaligned_N): Ditto.
1456
1457 Tue May 13 13:50:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1458
1459         * sim-module.c: Add sim_events_install to list.
1460
1461         * sim-events.c (sim_events_install, sim_events_uninstall): Clonse
1462         from sim_core_*.
1463         (sim_events_init): Now returns SIG_RC.
1464
1465         * sim-run.c: New file. Generic sim_engine_run.
1466         * sim-reason.c: New file. Generic sim_stop_reason.
1467         * sim-stop.c: New file. Generic sim_stop.
1468         * sim-resume.c: New file. Generic sim_resume.
1469
1470         * Make-common.in (sim-engine.o): Add rule.
1471         (sim-run.o, sim-reason.o, sim-stop.o, sim-resume.o): Ditto.
1472
1473         * sim-engine.h, sim-engine.c: New file. Provide generic
1474         implementation of sim_engine_halt, sim_engine_error. et.al.
1475
1476         * sim-base.h (sim_state_base): Add member halt.
1477         (sim-engine.h): Include.
1478
1479         * sim-events.h (sim_event_handler): Always pass SIM_DESC to event
1480         handlers.
1481         * sim-events.c (sim_events_poll): Update event handler.
1482
1483 Tue May 13 09:57:49 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1484
1485         * sim-events.h, sim-events.c (sim_events_watch_clock): New
1486         function.
1487         (sim_events_watch_sim): New function.
1488         (sim_events_watch_core): New function.
1489         (sim_watch_valid): New function.
1490         (sim_events_preprocess): New function.
1491         (sim_events_process): Process the watchpoints as well as the timer
1492         queue.
1493         (sim_events_tick): Check WORK_PENDING instead of the hold queue.
1494         (sim_events_deschedule): Check all the queues when removing an
1495         event.
1496         (sim_events_init): Ditto for cleaning.
1497
1498 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1499
1500         * sim-fpu.c (is_ufpu_number): Comment out - currently unused.
1501
1502 Mon May 19 11:23:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1503
1504         * callback.c (os_open): Type of arg flags is int.
1505
1506 Fri May 16 22:26:43 1997  Michael Meissner  <meissner@cygnus.com>
1507
1508         * sim-fpu.c (sim_fpu_is_{eq,ne,lt,le,gt,ge}): Compare Infinities
1509         just like normal numbers as per IEEE rules.
1510
1511 Wed May 14 21:20:38 1997  Bob Manson  <manson@charmed.cygnus.com>
1512
1513         * callback.c (os_close): Mark the descriptor as being
1514         available if the close succeeded.
1515         (os_open): Pass 0644 as the mode of the file being created.
1516
1517 Thu May 15 10:58:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1518
1519         * sim-fpu.c (pack_fpu, unpack_fpu): New functions - decode a
1520         float.
1521
1522         * sim-inline.c (SIM_INLINE_C): Rename from _SIM_INLINE_C_.
1523         * sim-lnline.h: Update.
1524
1525         * sim-fpu.h, sim-fpu.c (sim_fpu_[iu]{32,64}to): New int2fp
1526         conversion functions.
1527         (sim_fpu_to{32,64}[iu]): New fp2int functions.
1528
1529         * sim-fpu.h, sim-fpu.c (sim_fpu_is_{lt,le,eq,ne,ge,gt}): New fp
1530         compare functions.  Replacing.
1531         (sim_fpu_cmp): This. Delete.
1532
1533 Mon May 12 14:49:05 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1534
1535         * sim-core.c (sim_core_find_mapping): Call engine_error not
1536         sim_io_error when possible.
1537
1538 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1539
1540         * sim-endian.h (V1_H2): Add macro's to insert a word into a
1541         high/low double word.
1542
1543         * sim-trace.h: Remove definition of attribute - defined in
1544         sim_basics.h.
1545
1546 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1547
1548         * sim-options.h (struct OPTION): Add doc_opt as the documenting
1549         name of the option - or family of options.
1550
1551         * sim-options.c (sim_args_command): Match command `a-b c' with
1552         option `--a-b-c' from option table.
1553
1554 Thu May  8 12:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1555
1556         * sim-options.c (sim_print_help): For optional arguments, wrap
1557         them in [].
1558
1559         * sim-trace.c (set_trace_options): New function, handle optional
1560         argument and multiple assignment.
1561         (trace_option_handler): Update.
1562
1563         * sim-trace.c (trace_option_handler): Trace branch and not fpu
1564         when branch tracing selected.
1565
1566 Wed May  7 15:19:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1567
1568         * sim-trace.c (trace_one_insn): Make a va-args function.
1569
1570         * sim-trace.c (trace_vprintf): New function, va-arg version of
1571         trace_printf.
1572
1573 Tue May  6 16:38:16 1997  Doug Evans  <dje@canuck.cygnus.com>
1574
1575         * sim-trace.c (trace_uninstall): Don't close a file twice.
1576         * sim-profile.c (profile_uninstall): Likewise.
1577
1578 Tue May  6 06:14:01 1997  Mike Meissner  <meissner@cygnus.com>
1579
1580         * sim-trace.c (toplevel): Include bfd.h.
1581         (trace_options): Note that --trace-linenum also turns on
1582         --trace-insn.  Add --trace-{branch,semantics}.
1583         (trace_option_handler): If --trace-linenum, also turn on
1584         --trace-insn.  Add --trace-branch support.  If --trace-semantics,
1585         turn on ALU, FPU, branch, and memory tracing.
1586         (trace_one_insn): New function to trace an instruction.  Support
1587         --trace-linenum.
1588         (OPTION_TRACE_*): Use an enum, rather than lots of defines.
1589
1590         * sim-trace.h (TRACE_{SEMANTICS,BRANCH}_IDX): Add new macros.
1591         (MAX_TRACE_VALUES): Use 32, not 12 by default.
1592         (TRACE_branch): Add new mask.
1593         (TRACE_*_P): Define all possible trace_p macros.
1594         (trace_one_insn): Declare function.
1595
1596 Mon May  5 14:08:34 1997  Mike Meissner  <meissner@cygnus.com>
1597
1598         * sim-trace.h (__attribute__): Define as nothing if not GNU C or
1599         GNU C doesn't support __attributes__.
1600         ({trace,debug}_printf): Add attribute's so -Wformat can check the
1601         format strings.
1602
1603 Mon May  5 11:16:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1604
1605         * sim-config.h (FORCED_ALIGNMENT): New alignment option -
1606         addresses are masked forcing them to be correctly aligned.
1607         (WITH_ALIGNMENT): Make NONSTRICT_ALIGNMENT the default.
1608         * sim-config.c (config_alignment_to_a): Update.
1609
1610         * sim-core.h (sim_cpu_core): New data type contains cpu specific
1611         core data.
1612         * sim-base.h (CPU_CORE): Add cpu specific core data to cpu base
1613         type.
1614         * sim-core.c (sim_core_attach): Add CPU argument.  Ready for
1615         processor specific core maps.
1616         (sim_core_map_attach): Copy the core map data to each of the
1617         processor specific core data structures.
1618         * sim-core.c (sim_core_find_mapping): Update.
1619
1620         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Rename.
1621         (sim_core_write_aligned_N, sim_core_write_aligned_N): New names.
1622         (sim_core_write_unaligned_N, sim_core_write_unaligned_N): New
1623         alternatives that handle unaligned addresses.
1624         (sim_core_{read,write}_{,un}aligned_N): Drop SIM_DESC arg, replace
1625         with just CPU arg.
1626         * cgen-utils.c (sim_disassemble_insn): Update.
1627
1628 Mon May  5 13:19:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1629
1630         * sim-trace.h (TRACE_FPU_IDX): Add Floating-point specific
1631         tracing.
1632
1633         * sim-fpu.h, sim-fpu.c: New files - prototype for generic target
1634         fpu support.
1635
1636         * sim-inline.h, sim-inline.c: Add support for SIM_FPU.
1637
1638 Fri May  2 17:59:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1639
1640         * sim-core.c (sim_core_map_to_str): New function ascii equivalent
1641         to map type.
1642
1643         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Use in trace
1644         statement.
1645
1646 Fri May  2 17:28:02 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1647
1648         * cgen-trace.c: Prepend additional trace_printf argument.
1649
1650         * cgen-utils.c (sim_disassemble_insn): Add additional core
1651         arguments.
1652
1653 Fri May  2 11:40:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1654
1655         * nrun.c (main): Catch/report errorenous simulator states.
1656
1657         * sim-module.c: #include "libiberty.h" so that xmalloc is defined.
1658         * sim-trace.c: #include string.h/strings.h so that memset is
1659         defined.
1660         * sim-utils.c: Ditto.
1661         * sim-profile.c: Ditto. And stdlib.h.
1662         (print_bar): Only define when used by instruction or memory profiler.
1663
1664         * sim-options.c (standard_option_handler): Make ul more local.
1665
1666         * sim-load.c (sim_load_file): Make the name constant.
1667         (sim_load_file): Passify gcc.
1668
1669         * sim-utils.h: New file, pre-declare utilites in corresponding .c
1670         file.
1671         * sim-utils.c, sim-load.c: Include sim-utils.h.
1672
1673         * sim-base.h (sim_cpu): Pre define here so available to all.
1674
1675         * sim-core.h (DECLARE_SIM_CORE_WRITE_N, DECLARE_SIM_CORE_READ_N):
1676         Restore the sim_cpu and instruction_address arguments so that full
1677         information is available to the abort function.
1678         * sim-core.c (sim_core_find_mapping, sim_core_write_buffer): Ditto.
1679         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1680
1681         * sim-trace.h, sim-trace.c (trace_option_handler): Add interim
1682         tracing support for sim-events and sim-core.
1683         (trace_option_handler): Convert #if to if where possible so always
1684         compiled/checked by C compiler.
1685         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1686
1687         * sim-base.h: Adjust comment documenting how to define the cpu
1688         structure.
1689         (sim_state_base): Add sim_core and sim_events to simulator base
1690         object.
1691
1692         * sim-trace.h, sim-trace.c (trace_printf): Add SIM_DESC argument.
1693         * sim-core.c (sim_core_init, sim_core_attach,
1694         sim_core_find_mapping): Update.
1695         * sim-events.c (ETRACE, sim_events_init, sim_events_time,
1696         update_time_from_event, insert_sim_event,
1697         sim_events_schedule_after_signal, sim_events_deschedule,
1698         sim_events_tick): Ditto.
1699
1700         * sim-basics.h (sim-module.h, sim-trace.h, sim-profile.h,
1701         sim-model.h): Move #includes from here.
1702         * sim-base.h: To here.
1703         (sim-core.h, sim-events.h, sim-io.h): Include also
1704
1705 Wed Apr 30 15:37:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1706
1707         * callback.c (default_callback): Missing initialisers.
1708
1709 Thu May  1 10:40:47 1997  Doug Evans  <dje@canuck.cygnus.com>
1710
1711         * sim-utils.c (sim_add_commas): New function.
1712         * sim-basics.h (sim_add_commas): Add prototype.
1713         * cgen-scache.c (scache_print_profile): Print commas in numbers.
1714         * sim-profile.c (COMMAS): New macro.
1715         (print_*): Use it to print commas in numbers.
1716
1717         * configure: Regenerated.
1718
1719         * cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
1720         (cgen_state): New member run_fast_p.
1721         (cgen_init): Add prototype.
1722         (sim_disassemble_insn): New arg `cpu'.
1723         * cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
1724         * cgen-utils.c (cgen_init): New function.
1725         (sim_disassemble_insn): New arg `cpu'.  Rewrite fetching of insn.
1726         * genmloop.sh: Call engine_halt if loop exits.
1727
1728         * Makefile.in (sim-options_h): Define.
1729         (sim-{module,options,trace,profile,utils}.o): Clean up dependencies.
1730         (sim-model.o): Add new rule.
1731         (cgen-{scache,trace,utils}.o): Add new rules.
1732         * aclocal.m4 (SIM_AC_OPTION_{SCACHE,DEFAULT_MODEL}): Add.
1733         * cgen-scache.c (scache_print_profile): Change `sd' arg to `cpu'.
1734         Indent output by 2 spaces.
1735         * cgen-scache.h (scache_print_profile): Update.
1736         * cgen-trace.c (trace_insn_fini): Indent output by 2 spaces.
1737         Use trace_printf, not fprintf.
1738         (trace_extract): Use trace_printf, not cgen_trace_printf.
1739         * genmloop.sh (!FAST case): Increment `insn_count'.
1740         * sim-base.h (sim_state_base): Only include scache_size if WITH_SCACHE.
1741         (sim_cpu_base): Rename member `sd' to `state' to be consistent with
1742         access macro's name.
1743         * sim-core.c (sim_core_init): Use EXTERN_SIM_CORE to define it.
1744         Change return type to SIM_RC.
1745         (sim_core_{install,uninstall}): New functions.
1746         * sim-core.h (sim_core_{install,uninstall}): Declare.
1747         (sim_core_init): Use EXTERN_SIM_CORE to define it.
1748         Change return type to SIM_RC.
1749         * sim-model.h (models,machs,model_install): Declare.
1750         * sim-module.c (modules): Add scache_install, model_install.
1751         (sim_post_argv_init): Set cpu->state backlinks.
1752         * sim-options.c (standard_options): Delete --simcache-size,--max-insns.
1753         (standard_option_handler): Likewise.
1754         * sim-profile.c (PROFILE_{HISTOGRAM,LABEL}_WIDTH): Move to
1755         sim-profile.h.
1756         (*): Assume ANSI C.
1757         (profile_options): Delete --profile-simcache.
1758         (profile_option_handler): Likewise.
1759         (profile_print_insn): Change `sd' arg to `cpu'.  Indent output 2
1760         spaces.
1761         (profile_print_{memory,model}): Likewise.
1762         (profile_print_simcache): Delete.
1763         (profile_print_speed): New function.
1764         (profile_print): Rewrite.
1765         * sim-profile.h (PROFILE_scache): Renamed from PROFILE_simcache.
1766         (WITH_PROFILE_SCACHE_P): Renamed from WITH_PROFILE_SIMCACHE_P.
1767         (PROFILE_DATA): Delete members simcache_{hits,misses}.
1768         (PROFILE_COUNT_SIMCACHE_{HIT,MISS}): Delete.
1769         (PROFILE_{CALLBACK,CPU_CALLBACK}): New types.
1770         (profile_print): Update prototype.
1771
1772 Wed Apr 30 11:34:14 1997  Doug Evans  <dje@canuck.cygnus.com>
1773
1774         * cgen-scache.[ch], cgen-sim.h: New files.
1775         * cgen-trace.[ch], cgen-types.h, cgen-utils.c, genmloop.sh: New files.
1776         * sim-model.c: New file.
1777
1778         * Make-common.in (clean targets): Undo patch of Apr. 22.
1779
1780 Fri Apr 25 15:28:32 1997  Mike Meissner  <meissner@cygnus.com>
1781
1782         * sim-n-bits.h (signed): If we have a standard compiler, undef
1783         signed, so that signedN is defined correctly.
1784
1785 Thu Apr 24 00:00:07 1997  Doug Evans  <dje@canuck.cygnus.com>
1786
1787         * sim-module.h, sim-model.h, sim-profile.h: New files.
1788         * sim-module.c, sim-profile.c: New files.
1789         * Make-common.in (SIM_PROFILE): Define
1790         (CONFIG_CFLAGS): Add $(SIM_PROFILE).
1791         (sim_main_headers): Add sim-module.h, sim-model.h, sim-profile.h.
1792         (sim_module.o,sim-profile.o): Add rules for.
1793         * aclocal.m4 (--enable-sim-trace): Allow symbolic arguments.
1794         (--enable-sim-profile): Add.
1795         * configure: Regenerated.
1796         * sim-base.h (sim_state_base): New members init_list, uninstall_list,
1797         model.  Move trace and profile support to sim-{trace,profile}.h.
1798         New members trace_data, profile_data.
1799         * sim-basics.h: #include sim-module.h, sim-model.h, sim-profile.h.
1800         * sim-config.h: Provide default definition of WITH_PROFILE.
1801         (WITH_TRACE): Change default to -1.
1802         (MAX_NR_PROCESSORS): Always define.
1803         * sim-options.c: Move trace and profile support to
1804         sim-{trace,profile}.h.
1805         (sim_pre_argv_init): Moved to sim-model.c.
1806         (standard_install): New function.
1807         * sim-options.h (sim_pre_argv_init): Move decl to sim-model.c.
1808         (standard_install): Declare.
1809         * sim-trace.c: Tracing option handling moved here from sim-options.c.
1810         (trace_install, trace_uninstall): New functions.
1811         (trace_printf): Update reference to TRACE_FILE.
1812         * sim-trace.h (TRACE_FOO_IDX): Moved here from sim-base.h.
1813         (TRACE_foo): Bit masks for symbolic arguments to --enable-sim-trace.
1814         (WITH_TRACE_FOO_P): Define.
1815         (trace_install): Declare.
1816         (TRACE_DATA): New struct.
1817
1818 Wed Apr 23 17:23:15 1997  Doug Evans  <dje@canuck.cygnus.com>
1819
1820         * run.c: Undo last exec_bfd patch.
1821         (main): Only pass -E ifdef SIM_HAVE_BIENDIAN.
1822
1823 Wed Apr 23 17:54:27 1997  Mike Meissner  <meissner@cygnus.com>
1824
1825         * run.c (exec_bfd): Add back in.
1826         (main): Set exec_bfd.
1827
1828 Tue Apr 22 14:43:46 1997  Doug Evans  <dje@canuck.cygnus.com>
1829
1830         * sim-load.c (sim_load_file): #include <stdio.h> for NULL.
1831
1832 Wed Apr 23 02:55:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1833
1834         * sim-events.c (insert_sim_event): Call sim_io_error instead of
1835         less well defined engine_error.
1836         * sim-core.c: Ditto.
1837
1838 Tue Apr 22 08:48:16 1997  Stu Grossman  (grossman@critters.cygnus.com)
1839
1840         * Make-common.in:  Change clean targets to use :: so that other
1841         Makefiles can have their own clean targets.
1842         * sim-load.c (xprintf eprintf):  Use ANSI_PROTOTYPES instead of
1843         __STDC__ to control use of stdarg vs. varargs syntax.  Some
1844         systems can't use __STDC__, but require stdarg.
1845
1846 Fri Apr 18 11:14:43 1997  Doug Evans  <dje@canuck.cygnus.com>
1847
1848         * sim-options.c (standard_options): Add --endian.
1849         (standard_option_handler): Likewise.
1850
1851         * nrun.c: #include <signal.h>.
1852         (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1853         handler that calls sim_stop ().
1854
1855 Fri Apr 18 13:11:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1856
1857         * run.c (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1858         handler that calls sim_stop ().  Simulators may still be
1859         establishing their own handler.
1860
1861         * sim-events.c (sim_events_poll): Rename from
1862         sim_events_at_large_int.  Poll IO.
1863
1864         * sim-io.c (sim_io_poll_quit): New function - pass on a polling
1865         request.
1866
1867         * callback.c (os_poll_quit): New function poll for quit signal
1868         where needed.
1869         (default_callback): Include magic number.
1870
1871 Thu Apr 17 02:25:11 1997  Doug Evans  <dje@canuck.cygnus.com>
1872
1873         * aclocal.m4: Check for headers time.h, sys/time.h, sys/resource.h.
1874         Check for functions getrusage, time.
1875         * sim-basics.h (SIM_ELAPSED_TIME): New typedef.
1876         (sim_elapsed_time_get, sim_elapsed_time_since): Add prototypes.
1877         * sim-utils.c: #include time.h, sys/time.h, sys/resource.h if able.
1878         (sim_elapsed_time_get, sim_elapsed_time_since): New functions.
1879
1880         * sim-utils.c (sim_copy_argv, sim_analyze_program): New functions.
1881
1882         * sim-options.c, sim-options.h: New files.
1883         * sim-config.h (WITH_DEBUG): Provide default value of zero.
1884         * Make-common.in (nrun.o): Add rules for.
1885         * nrun.c: New file.
1886
1887         * run.c (main): Check return value of sim_open.
1888
1889         * Make-common.in (sim-options.o, sim-load.o, sim-trace.o): Add rules.
1890         (sim_main_headers): Add sim-trace.h.
1891         * run.c (exec_bfd, target_byte_order): Delete.
1892         (main): Pass -E <endian> to sim_open.  Delete code to load sections,
1893         call sim_load instead.  Check return code of sim_create_inferior.
1894         * sim-base.h (CURRENT_STATE): Define.
1895         (sim_state_base): Make typedef.  New members options, prog_argv,
1896         prog_bfd, text_{section,start,end}, start_addr, simcache_size,
1897         mem_size, memory [+ corresponding access macros].
1898         (sim_cpu_base): New typedef.
1899         * sim-trace.h: New file.
1900         * sim-trace.c: New file.
1901         * sim-basics.h: #include it.
1902         * sim-load.c: New file.
1903
1904 Tue Apr 15 15:10:13 1997  Ian Lance Taylor  <ian@cygnus.com>
1905
1906         * Make-common.in (INSTALL): Set to @INSTALL@.
1907         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1908         (install-common): Depend upon installdirs.  Use
1909         $(program_transform_name) directly, rather than using
1910         $(INSTALL_XFORM).
1911         (installdirs): New target.
1912         * Makefile.in (INSTALL): Set to @INSTALL@.
1913         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1914         (install-man): Depend upon installdirs.  Use
1915         $(program_transform_name) directly, rather than using
1916         $(INSTALL_XFORM).
1917         (installdirs): New target.
1918
1919 Tue Apr 15 15:08:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1920
1921         * sim-assert.h (SIM_ASSERT, ASSERT): Allow these macros to
1922         be overriden.
1923
1924 Wed Apr  9 16:06:44 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1925
1926         * sim-basics.h: Only bring in config.h and tconfig.h if
1927         HAVE_CONFIG_H.
1928
1929 Mon Apr  7 11:39:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1930
1931         * sim-config.h (WITH_TARGET_WORD_MSB): New Macro. Define the bit
1932         numbering convention of the target.
1933         * sim-config.c (print_sim_config): Print WITH_TARGET_WORD_BITSIZE
1934         and WITH_TARGET_WORD_MSB.
1935         (sim_config): When possible, check for consistency with bitsize
1936         and msb.
1937
1938         * sim-bits.h: Allow MSB to be other than zero.
1939         * sim-bits.c: Ditto.
1940         * sim-n-bits.h: Ditto.
1941
1942         * sim-bits.h (MSMASK*): New macros - converce to LSMASK*.
1943         * sim-n-bits.h (MSMASKEDn): Ditto.
1944
1945 Mon Apr 14 16:29:21 1997  Ian Lance Taylor  <ian@cygnus.com>
1946
1947         * Makefile.in (INSTALL): Change install.sh to install-sh.
1948
1949 Mon Apr  7 10:46:38 1997  Doug Evans  <dje@canuck.cygnus.com>
1950
1951         * sim-base.h (sim_state_base): Move `magic' to end of struct.
1952
1953 Mon Apr  7 15:53:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1954
1955         * run.c (main): Check that a program to run was specified.
1956
1957 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1958
1959         * aclocal.m4 (AC_TYPE_SIGNAL): Add check.
1960
1961         * configure: Regenerated to track ../common/aclocal.m4 changes.
1962         * config.in: Ditto.
1963
1964 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
1965
1966         * sim-endian.h: Move host {LITTLE,BIG}_ENDIAN support from here,
1967         * sim-config.h: To here.
1968
1969         * Make-common.in (SIM_EXTRA_DEPS): New config var.
1970         (sim_main_headers): Define.
1971         (sim-*.o): Depend on $(SIM_EXTRA_DEPS).
1972         (BUILT_SRC_FROM_COMMON): Move here from ../d30v/Makefile.in.
1973         (clean): Use it.
1974         (sim-utils.o): Add rule for.
1975         * sim-utils.o: New file.
1976         * sim-basics.h: #include sim-base.h.
1977         (zalloc): Make argument unsigned long.
1978         * sim-base.h: New file.
1979         * sim-inline.h (SIM_IO support): Delete.
1980         * sim-io.h: Delete inline support.
1981         * sim-io.c: Likewise.  sim-state.h renamed to sim-main.h.
1982         * sim-config.c: sim-state.h renamed to sim-main.h.
1983         * sim-core.c: Likewise.
1984         * sim-events.c: Likewise.
1985
1986         * run.c (main): Pass SIM_OPEN_STANDALONE to sim_open.
1987
1988         * aclocal.m4: Check for stdlib.h, string.h, strings.h, unistd.h.
1989         (sim-debug): Allow arguments.  Define WITH_DEBUG in addition to
1990         -DDEBUG.
1991         * configure: Regenerated to track ../common/aclocal.m4 changes.
1992
1993 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1994
1995         * configure: Regenerated to track ../common/aclocal.m4 changes.
1996
1997 Wed Apr  2 11:08:11 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1998
1999         * sim-config.h (WITH_ALIGNMENT, WITH_FLOATING_POINT,
2000         WITH_XOR_ENDIAN, WITH_SMP, WITH_RESERVED_BITS): Assume that these
2001         are defined by the configure.
2002
2003         * aclocal.m4 (sim-stdio): Add option stdio from ../ppc configure.
2004
2005         * aclocal.m4 (floating-point, xor-endian, alignment, smp,
2006         reserved-bits): Always define.
2007
2008         * sim-config.h, sim-config.c (sim_config): New function - and new
2009         file - co-ordinate the setting/checking of the common simulator
2010         configuration options.
2011
2012         * Make-common.in (sim-config.o): Add rule.
2013
2014 Fri Mar 28 15:32:00 1997  Mike Meissner  <meissner@cygnus.com>
2015
2016         * callback.c (os_{,e}vprintf_filtered): Change stdarg type to
2017         va_list from void *, since va_list might not be a pointer type.
2018
2019 Mon Mar 24 15:27:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2020
2021         * sim-n-endian.h (offset_N): Correct assertion - word and sub word
2022         in wrong order.
2023         (offset_N): Correct computation of LE offset.
2024
2025         * sim-io.c (sim_io_error): Include a new line when reporting
2026         errors.
2027
2028         * sim-assert.h (SIM_FILTER_PATH): Out by one when locating last
2029         `/'.
2030
2031 Thu Mar 20 22:31:06 1997  Jeffrey A Law  (law@cygnus.com)
2032
2033         * run.c: Include alloca-conf.h.
2034
2035         * callback.c (os_evprintf_filtered): Fix typo.
2036
2037 Fri Mar 21 13:36:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2038
2039         * run.c (string.h, strings.h, stdlib.h): Include.
2040
2041         * sim-events.c (sim_events_tick): Recent cleanup failed to return
2042         0 when nothing pending.
2043
2044         * run.c (sim_size, sim_trace): Plicate GCC - these two functions
2045         will soon be going away.
2046         (getopt): Plicate GCC.
2047
2048         * sim-endian.c (sim-io.h): Plicate GCC.
2049         * sim-bits.c (sim-io.h): Ditto.
2050         * sim-n-bits.h (ROTn): Ditto.
2051
2052         * sim-io.c (sim_io_error): Correct check for NULL.
2053
2054         * sim-assert.h (SIM_FILTER_PATH): Separate out the code filtering
2055         the __FILE__.
2056         * sim-events.c: Use SIM_FILTER_PATH to filter out the filename
2057         path.
2058
2059 Wed Mar 19 01:12:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2060
2061         * aclocal.m4 (SIM_AC_OPTION_*: Move so that they are outside of
2062         SIM_AC_COMMON - SIM_AC_COMMON was gobling arguments.
2063
2064 Tue Mar 18 20:48:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2065
2066         * sim-alu.h: Include sim-xcat.h.
2067
2068 Tue Mar 18 13:58:18 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2069
2070         * Make-common.in (sim-bits.c, sim-core.c, sim-endian.c,
2071         sim-events.c, sim-inline.c, sim-io.c): Define rules for building
2072         these.
2073
2074         * sim-events.c (sim_events_at_large_int): New function.  Just
2075         schedules an event every large-int ticks.
2076         (sim_events_init): Call.
2077         (sim_events_tick, sim_events_process): Move async handing to
2078         sim_events_process.  Move timer decrement so that it occures after
2079         events have been processed.
2080
2081         * sim-basics.h (struct _engine): Remove declaration.
2082
2083         * sim-events.h, sim-events.c: Rename type to sim_events.  Prefix
2084         everything with same.  Rename global struct to SIM_DESC.
2085         * sim-core.h, sim-core.c, sim-n-core.c: Ditto for sim_core.
2086         * sim-io.h, sim-io.c: Ditto.
2087
2088         * sim-assert.h: New file. Optional assertion checking macros.
2089         * sim-io.c (sim_io_error): Make just this function tolerant to
2090         null pointers.
2091
2092         * sim-xcat.h: New file. Define concatenate macros.
2093         * sim-basics.h (XCONCAT*): Move to sim-xcat.h.
2094         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Explicitly include
2095         concat macros.
2096
2097
2098 Tue Mar 18 12:44:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2099
2100         * sim-bits.h (LSMASK): New macro. Create mask of LS bits.
2101
2102 Mon Mar 17 18:10:05 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2103
2104         * sim-inline.h: Add definitions for sim-types.
2105         (ALL_BY_MODULE): New macro, encapsulate full inlining by the
2106         module.
2107
2108 Mon Mar 17 15:38:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2109
2110         * sim-events.h: Remove defunct reference to callback struct.
2111
2112 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2113
2114         * configure: Re-generate.
2115
2116 Mon Mar 17 15:04:47 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2117
2118         * Make-common.in (CSEARCH): Do not include the gdb directory in
2119         the search path.
2120
2121 Mon Mar 17 13:16:26 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2122
2123         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
2124         SIM_WARNING): Drop, requiring the simulator specific Makefile.in
2125         to explicitly incorporate these.
2126
2127         * aclocal.m4 (--enable-sim-alignment); New option. Strongly
2128         specify the alignment restrictions of the target architecture -
2129         without this option all alignment restrictions are accomodated.
2130         (--enable-sim-assert): New option.  Conditionally compile in
2131         assertion statements.
2132         (--enable-sim-float): New option. Strongly specify the target's
2133         floating point support.
2134         (--enable-sim-hardware): New option.  Specify the hardware devices
2135         included in the simulation.
2136         (--enable-sim-packages): New option.  Specify the hardware
2137         packages included in the simulation.
2138         (--enable-sim-regparm): New option.  Specify that parameters be
2139         passed in registers instead of on the stack.
2140         (--enable-sim-reserved-bits): New option. Specify that reserved
2141         bits within an instruction are are correctly set.
2142         (--enable-sim-smp): New option. Specify the level of SMP support
2143         to be included in the simulator.
2144         (--enable-sim-stdcall): New option.  Specify an alternative
2145         function call convention.
2146         (--enable-sim-xor-endian): New option.  Configure xor-endian
2147         support used by some targets to implement bi-endian support.
2148
2149 Fri Mar 14 19:51:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2150
2151         * aclocal.m4 (--enable-sim-hostendian): New option.  Allow the
2152         host endianness to be overridden.
2153         (--enable-sim-endian): Allow the target platform's byte order
2154         to be overridden.
2155         (--enable-sim-inline): Control the inlining of common components.
2156         (--enable-sim-bswap): For compatibility, also define WITH_BSWAP.
2157         (--enable-sim-warnings): Enable additional GCC compiler checks.
2158         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
2159         SIM_WARNINGS): Add.
2160
2161         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Rename from
2162         sim-*-n.h so that the names are uniq on dos machines
2163         * sim-core.c, sim-bits.c, sim-endian.c: Update.
2164
2165 Thu Mar 13 12:32:42 1997  Doug Evans  <dje@canuck.cygnus.com>
2166
2167         * run.c: #include "libiberty.h".
2168         (main): New locals sd,no_args,sim_argv.
2169         Run buildargv on -a option.  Pass argv to sim_open, argv[0]
2170         is program name.  Update call to sim_set_callbacks.
2171         Record result of sim_open, pass to other sim_foo routines.
2172
2173 Thu Mar 13 10:24:05 1997  Michael Meissner  <meissner@cygnus.com>
2174
2175         * callback.c (os_printf_filtered): Do not call exit(1) or print a
2176         final newline.
2177
2178 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2179
2180         * callback.c: Add os_flush_stdout and vprintf_filtered callbacks.
2181         Route stdout through buffered IO.
2182
2183         * callback.c: Add os_flush_stderr, os_write_stderr,
2184         os_evprintf_filtered functions to route error output through
2185         stderr.
2186
2187         * sim-io.h, sim-io.c (sim_io_flush_stderr, sim_io_flush_stdout):
2188         Correct return type - should be void.
2189
2190 Fri Mar  7 20:14:37 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2191
2192         * sim-basics.h: Clean up.  Many macro's moved to sim-inline.h.
2193
2194         * sim-config.h: Ditto.  For some options - eg WITH_DEVICES - do
2195         not provide a default value as undefined indicates disable code.
2196
2197 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2198
2199         * sim-core.h, sim-core-n.h, sim-core.c: Borrow code from ppc
2200         directory.
2201         * sim-events.h, sim-events.c: Ditto.
2202         * sim-io.h, sim-io.c: Ditto.
2203
2204 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2205
2206         * sim-alu.h (ALU_SUB_CA, ALU*_SUB_CA): New alu operation.
2207
2208         * sim-bits.h, sim-bits-n.h, sim-bits.c (LSMASKED*): New macro's
2209         extract the tail or least signifiant bits from an integer of the
2210         specified size.
2211
2212         * sim-bits.h, sim-bits.c: Clean up conditionally compiled #if
2213         WITH_TARGET_BITSIZE so that the compilation will fail when an
2214         unsupported bitsize value is defined.
2215
2216         (INSERTED*): Convert to functions.
2217         (EXTRACTED*): Ditto.
2218
2219         (SIGN_EXTEND, SEXT): Change to more terse name.
2220
2221 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2222
2223         * sim-inline.h: Allow explicit control over which .c files will be
2224         included by their header.
2225
2226         * sim-inline.h: Allow explicit control over which .c files use the
2227         alternative - REGPARM - parameter passing mechanism.
2228
2229         * sim-inline.h, sim-inline.c: Don't attempt to include any of
2230         icache.c, idecode.c, semantics.c or support.c.  Those names are
2231         not generally applicable.
2232
2233 Thu Feb 27 10:17:23 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2234
2235         * sim-bits.c, sim-bits-n.h (new): Split sim-bits.c into two parts
2236         in a fashion similar to sim-endian-n.
2237
2238         * sim-endian.h: (H_word, L_word, AL_*, VL_*): Extend to include
2239         both value and address macro's.
2240
2241 Tue Feb 25 18:51:57 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2242
2243         * sim-alu.h (ALU16_BEGIN, ALU16_SET, ...): Fill in.
2244
2245         * sim-endian.h (L_word, H_word): Replace MS2W_4, LS2W_4 with more
2246         generic L_word, H_word macro's.
2247
2248 Thu Feb 20 18:36:55 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2249
2250         * sim-basics.h: Borrow code from ppc directory.
2251         * sim-bits.c: Ditto.
2252         * sim-bits.h: Ditto.
2253         * sim-config.h: Ditto.
2254         * sim-endian-n.h: Ditto.
2255         * sim-endian.c: Ditto.
2256         * sim-endian.h: Ditto.
2257         * sim-inline.c: Ditto.
2258         * sim-inline.h: Ditto.
2259         * sim-types.h: Ditto.
2260
2261 Wed Feb 19 12:40:50 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2262
2263         * sim-alu.h (ALU_SET16, ALU_SET32, ALU_SET64, etc): Make available
2264         all the ALU size alternatives and then auto-configure a default.
2265
2266         * sim-alu.h: Copy ppc/idecode_expression.h.
2267
2268 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2269
2270         * bits.h, bits.c (SIGN_EXTEND32, SIGN_EXTEND64): New functions,
2271         sign extend a bit within a value.
2272
2273         * sim-endian.h, sim-endian-n.h (offset_N): New functions - return
2274         a pointer into the middle of a host word.
2275         * sim-endian.h (MS2W_4, LS2W_4): Use this function.
2276
2277 Tue Feb 11 13:46:49 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
2278
2279         * callback.c: If HAVE_CONFIG_H is defined, include config.h from
2280         autoconf.  If HAVE_UNISTD_H is defined, include unistd.h to get
2281         appropriate definitions of read, write, etc.  Add prototype for
2282         system.
2283
2284 Tue Feb  4 13:24:44 1997  Doug Evans  <dje@canuck.cygnus.com>
2285
2286         * Makefile.in (libcommon.a): Delete.
2287         (callback.o,targ-map.o): Delete, moved to Make-common.in.
2288         (gentmap,targ-vals.h,targ-map.c): Likewise.
2289         (run-autoconf): Delete.
2290         * aclocal.m4 (SIM_AC_OUTPUT): Redo creation of Makefile.
2291         (common makefile fragment): Moved back into ...
2292         * Make-common.in: Resurrect.
2293         * configure.in (AC_LINK_FILES): Delete, unnecessary now.
2294         * configure: Regenerated.
2295
2296 Fri Jan 31 07:16:49 1997  Doug Evans  <dje@canuck.cygnus.com>
2297
2298         * aclocal.m4 (SIM_AC_COMMON): Move COMMON_MAKEFILE_FRAG from here.
2299         (SIM_AC_OUTPUT): To here.
2300
2301 Fri Jan 24 10:37:17 1997  Stu Grossman  (grossman@critters.cygnus.com)
2302
2303         * aclocal.m4 (COMMON_MAKEFILE_FRAG):  Quote a couple of $'s in
2304         comments and single quotes.  Fixes a problem found on hpux.
2305
2306 Thu Jan 23 13:35:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
2307
2308         * aclocal.m4:  Remove Make-common.in from dependencies.
2309         * (distclean):  Remove targ-vals.def.
2310
2311         * aclocal.m4 (SIM_AC_COMMON):  Move contents of Make-common.in
2312         into here.  Makes insertion into makefiles easier.  Also, change
2313         the way that callback.o, gentmap, targ-vals.h, targ-map.c,
2314         targ-map.o, and run are built.  They are now built in the
2315         individual simulator directories, taking sources from ../common as
2316         necessary.  This replaces the merging of libcommon.a into
2317         linsim.a, which was problematic for the WinGDB build process.
2318         * run.c:  Include config.h from . instead of ../common.
2319         * Make-common.in:  Remove.  It's no longer necessary.
2320
2321 Mon Dec 16 15:02:33 1996  Ian Lance Taylor  <ian@cygnus.com>
2322
2323         * Make-common.in (ALL_CLAGS): Put CFLAGS at the end.
2324         (.c.o): Put $(ALL_CFLAGS) before the file being compiled.
2325
2326 Wed Dec 11 11:30:58 1996  Jim Wilson  <wilson@cygnus.com>
2327
2328         * run.c (main): Set target_byte_order before call to sim_open.
2329
2330 Sun Dec  8 18:22:06 1996  Doug Evans  <dje@canuck.cygnus.com>
2331
2332         * callback.c: #include <stdlib.h>
2333         (os_error): New function.
2334         (default_callback): Add os_error.
2335
2336 Mon Nov 25 19:44:35 1996  Doug Evans  <dje@canuck.cygnus.com>
2337
2338         * Make-common.in (Makefile): Set CONFIG_HEADERS="".
2339         * aclocal.m4: Mark the fact that --enable-sim-bswap isn't host
2340         specific.
2341         (SIM_AC_OUTPUT): Don't build Makefile if CONFIG_FILES="".
2342
2343 Wed Nov 20 01:11:04 1996  Doug Evans  <dje@canuck.cygnus.com>
2344
2345         * run.c: #include ../common/config.h, tconfig.h.
2346         (myname): New static global.
2347         (main): Recognize new options -a, -c.  Also recognize -h if h8/300.
2348         Only process -c ifdef SIM_HAVE_SIMCACHE.
2349         Only process -p/-s ifdef SIM_HAVE_PROFILE.
2350         Parse program name from argv[0] and use in error messages.
2351         Pass sim_args to sim_open.  Pass prog_args to sim_create_inferior.
2352         Add support for incomplete h8/300 termination indicators.
2353         (usage): Make more verbose.
2354         * aclocal.m4,config.in,tconfig.in,configure.in,configure: New files.
2355         * Makefile.in,Make-common.in,callback.c: New files.
2356         * nltvals.def,gentmap.c,gentvals.sh: New files.
2357
2358 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
2359
2360         * run.c: Include stdarg.h if __STDC__.
2361
2362 Tue Oct 15 11:16:31 1996  Jeffrey A Law  (law@cygnus.com)
2363
2364         * run.c (main): Don't print out anything if the signal
2365         number is zero (ie no signal).
2366
2367 Tue Oct 15 11:20:44 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2368
2369         * run.c (main): Print out if the program raised a signal.
2370
2371 Wed Sep 18 09:52:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2372
2373         * run.c (exec_bfd): Rename from sim_bfd, to use the gdb name.
2374         (main): Ditto.
2375
2376 Tue Sep 17 11:04:50 1996  James G. Smith  <jsmith@cygnus.co.uk>
2377
2378         * run.c (main): Explicitly cast malloc() parameter.
2379
2380 Thu Sep 12 11:27:21 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2381
2382         * run.c (sim_bfd): New global to hold the bfd pointer for the
2383         executable.
2384         (main): Initialize sim_bfd.
2385
2386 Fri Dec 15 16:27:49 1995  Ian Lance Taylor  <ian@cygnus.com>
2387
2388         * run.c (main): Use new bfd_big_endian macro.
2389
2390 Wed Nov  8 15:49:49 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
2391
2392         * run.c (main): Removed SH specific comments, so source is
2393         generic. Also updated to only load relevant sections. Moved
2394         sim_open() to after callback attach (to match GDB).
2395
2396         * run.1: Removed SH specific comments.
2397
2398 Sat Oct 21 12:31:01 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
2399
2400         * run.c (main): Always return sigrc at end.
2401
2402 Tue Oct 10 12:03:13 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
2403
2404         * run.c (main): Print error diagnostic and exit if bfd_openr() or
2405         bfd_check_format() fails.
2406
2407 Thu Sep 28 15:40:36 1995  steve chamberlain  <sac@slash.cygnus.com>
2408
2409         * run.c, run.1: From sh directory.
2410
2411