sim/common/ChangeLog

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