sim/common/ChangeLog

   1 Thu Jan 29 12:13:01 1998  Doug Evans  <devans@canuck.cygnus.com>
   2
   3         * cgen.sh: Portably read parms past $9.
   4
   5 Fri Jan 23 14:20:54 1998  Doug Evans  <devans@seba.cygnus.com>
   6
   7         * Make-common.in (stamp-tvals): New rule.
   8         (targ-vals.h,targ-map.c): Depend on it.
   9         (clean): Remove stamp-tvals.
  10
  11 Tue Jan 20 21:35:13 1998  Michael Meissner  <meissner@cygnus.com>
  12
  13         * sim-utils.c (sim_state_alloc): #if 0 variable that is only used
  14         in code also #if 0'ed.
  15
  16 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
  17
  18         * configure: Regenerated to track ../common/aclocal.m4 changes.
  19         * aclocal.m4: Recognize --enable-maintainer-mode.
  20
  21 Mon Jan 19 12:45:45 1998  Doug Evans  <devans@seba.cygnus.com>
  22
  23 start-sanitize-cygnus
  24         * Make-common.in (cgen-{arch,cpu,decode}): New targets.
  25         * cgen.sh: New file.
  26 end-sanitize-cygnus
  27         * cgen-scache.h: Deleted.
  28         * Make-common.in (cgen-run.o,cgen-scache.o): Delete cgen-scache.h dep.
  29         (CGEN_CPU_SCM): Add sim-model.scm.
  30         * cgen-scache.c: Only compile contents if WITH_SCACHE.
  31         (scache_init): Use runtime computed size of SCACHE.
  32         (scache_flush): Likewise.
  33         * cgen-mem.h (GETIMEMU[QHSD]I): Declare.
  34         ([GS]ETT{QI,UQI,HI,UHI,SI,USI,DI,UDI}): Declare.
  35         * cgen-sim.h: Scache support moved here.
  36         (PC): Redo definition.
  37         (ARGBUF,SCACHE,PARALLEL_EXEC): Provide forward decls.
  38         (DECODE): Add parallel execution support.
  39         Only include semantic label members if using switch.
  40         (SWITCH,CASE,BREAK,DEFAULT,ENDSWITCH): Portable computed goto support.
  41         (CGEN_CPU): Delete members exec_state, halt_sigrc, halt_jmp_buf.
  42         (IADDR,CIA,SEM_ARG,EX_FN_NAME,SEM_FN_NAME,RECORD_IADDR,SEM_ARGBUF,
  43         SEM_NEXT_PC,SEM_BRANCH_VIA_{CACHE,ADDR},SEM_NEW_PC_ADDR): Moved here
  44         from cgen-types.h.
  45         (engine_{stop,run,resume,halt,signal}): Delete decls.
  46         * cgen-types.h (CGEN_{XCAT3,CAT3}): Delete.
  47         (argbuf,scache): Delete forward decls.
  48         (STATE): Delete decl.
  49         * cgen-utils.c: Don't include decode.h, mem-ops.h, sem-ops.h.
  50         Include cgen-mem.h, cgen-ops.h.
  51         (engine_halt,engine_signal): Delete.
  52         ({ex,exc,sem,semc}_illegal): Delete.
  53         (sim_disassemble_insn): Result of extract fn is in bits.
  54         * genmloop.sh: Rewrite.
  55
  56         * cgen-trace.c (trace_insn): Set printed_result_p=0 if not tracing
  57         line numbers.
  58
  59         * sim-base.h (sim_state_base): Delete member `model'.
  60         (sim_cpu_base): Add member `model'.
  61         * sim-model.h (IMP_PROPERTIES): New type.
  62         (MACH): New members imp_props, models.
  63         (models): Delete decl.
  64         * sim-model.c (set_model): Update.
  65         * sim-profile.c (profile_print_model): Update.
  66
  67         * sim-utils.c (sim_state_alloc): Delete setting of cpu backlink here.
  68
  69 Fri Jan 16 12:33:09 1998  Nick Clifton  <nickc@cygnus.com>
  70
  71         * cgen-trace.c (trace_insn): Call CGEN_INSN_MNEMONIC() rather than
  72         CGEN_INSN_SYNTAX().
  73
  74 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  75
  76         * configure: Regenerated to track ../common/aclocal.m4 changes.
  77         * config.in: Ditto.
  78
  79 Mon Dec 15 23:16:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  80
  81         * aclocal.m4 (AR): Check for sigaction.
  82
  83 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  84
  85         * Make-common.in (sim-core.o): Depend on $(sim_main_headers).
  86
  87         * sim-config.h (WITH_TREE_PROPERTIES): Define as 0.
  88         * sim-config.c (sim_config): Replace WITH_DEVICES with
  89         WITH_TREE_PROPERTIES.
  90
  91         * configure: Regenerated to track ../common/aclocal.m4 changes.
  92
  93 Wed Dec  3 17:56:02 1997  Doug Evans  <devans@canuck.cygnus.com>
  94
  95         * Make-common.in (SIM_ENVIRONMENT): New variable.
  96         (CONFIG_CFLAGS): Add it.
  97         * aclocal.m4 (SIM_AC_OPTION_ENVIRONMENT): Handle
  98         --enable-sim-environment option.
  99         * configure: Regenerated.
 100         * sim-config.h (environment support): Rewrite.
 101         * sim-config.c (current_environment): Define as enum, unconditionally.
 102         (current_alignment): Define unconditionally.
 103         (config_environment_to_a): Update.
 104         (config_alignment_to_a): Fix type of argument.  Define unconditionally.
 105         (sim_config): Handle environment and alignment determination
 106         unconditionally.  Delete sanity checks of current_environment,
 107         unnecessary.
 108         (print_sim_config): Update.
 109         * sim-options.c (STANDARD_OPTIONS enum): Add OPTION_ENVIRONMENT.
 110         (standard_options): Add --environment.
 111         (standard_option_handler): Likewise.
 112
 113 Fri Nov 28 12:21:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 114
 115         * sim-alu.h: Add notes on carry vs borrow for subtraction.
 116         (ALU{,8,16,32,64}ADD): Redefine ADD macro as add overflowing.
 117         (ALU{,8,16,32,64}ADDC): Define - add carrying.
 118         (ALU{,8,16,32,64}SUB): Redefine SUB macro as subtract overflowing.
 119         (ALU{,8,16,32,64}SUBB): Define - subtract borrowing.
 120         (ALU{,8,16,32,64}SUBC): Define - tract carrying.
 121         (ALU{,8,16,32,64}ADD_CA, ALU{,8,16,32,64}ADDC_C): Replace single
 122         argument ADD_CA macro with two argument ADDC_C - add carrying with
 123         carry in.
 124         (ALU{,8,16,32,64}SUB_CA, ALU{,8,16,32,64}SUBC_X): Replace single
 125         argument SUB_CA macro with two argument SUBC_X - subtract
 126         carrying, extended.
 127         (ALU{,8,16,32,64}SUBB_B): Define - subtract borrowing with
 128         borrow-in.
 129         (ALU{,8,16,32,64}NEGC, ALU{,8,16,32,64}NEGB): Define.
 130
 131 Sun Nov 30 17:40:57 1997  Michael Meissner  <meissner@cygnus.com>
 132
 133         * sim-io.c (sim_io_{syscalls,getstring}): Delete.  No longer used.
 134         * sim-io.h (sim_io_syscalls): Delete.
 135
 136 Fri Nov 28 20:10:09 1997  Michael Meissner  <meissner@cygnus.com>
 137
 138         * syscall.c (cb_syscall): Add missing else, so write to stdout
 139         isn't doubled.
 140
 141         * sim-alu.h (ALU{,8,16,32,64}_SET_CARRY): Provide macros to import
 142         the carry bit from the CPU's psw.
 143
 144 Fri Nov 28 11:15:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 145
 146         * gennltvals.sh: Redo syscall support.
 147         * nltvals.def: Regenerated.
 148
 149 Wed Nov 26 16:49:38 1997  Michael Meissner  <meissner@cygnus.com>
 150
 151         * syscall.c (cb_syscall): If writing to stdout or stderr, flush
 152         the stream immediately.
 153
 154 Wed Nov 26 12:32:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 155
 156         * sim-io.c (sim_io_getstring): Delete unused len2.
 157         (sim_io_syscalls): Ditto for sys_errno.
 158
 159 Wed Nov 26 11:18:40 1997  Doug Evans  <devans@canuck.cygnus.com>
 160
 161         * syscall.c (cb_syscall): Test CB_SYSCALL struct magic number.
 162
 163         * Make-common.in (run.o): Depend on remote-sim.h.
 164         (nrun.o,sim-hload.o,sim-hrw.o): Likewise.
 165         (sim-io.o,sim-reason.o,sim-resume.o): Likewise.
 166
 167 Tue Nov 25 20:12:46 1997  Michael Meissner  <meissner@cygnus.com>
 168
 169         * sim-io.c (sim_io_syscalls): Disable lseek.
 170
 171 Tue Nov 25 00:12:38 1997  Doug Evans  <devans@seba.cygnus.com>
 172
 173 start-sanitize-d30v
 174         * gennltvals.sh: Generate syscall values for d30v.
 175 end-sanitize-d30v
 176         * gennltvals.sh: Use libgloss/syscall.h for sparc.
 177         * nltvals.def: Regenerate.
 178
 179         * callback.c (os_stat): Make 3rd arg a host struct stat ptr.
 180         (os_fstat): Likewise.  Validate fd argument.
 181         (cb_host_to_target_stat): Delete big_p arg.  If HS arg is NULL,
 182         just compute target stat struct length.
 183         * syscall.c: #include "libiberty.h", <sys/types.h>, <sys/stat.h>.
 184         (ENOSYS,ENAMETOOLONG): Provide definitions if missing.
 185         (get_string): Return host errno values so they can be properly
 186         translated later.
 187         (cb_syscall): Likewise.
 188         (cb_syscall, cases open,unlink): Use get_path instead of get_string.
 189         (cb_syscall, case read): Use read_stdin for file descriptor 0.
 190         (cb_syscall, case write): Use write_stderr for file descriptor 2.
 191         (cb_syscall): Add cases for lseek, unlink, stat, fstat, time.
 192         (get_path): New function.
 193
 194 Mon Nov 24 18:56:07 1997  Michael Meissner  <meissner@cygnus.com>
 195
 196         * sim-io.c (sim_io_syscalls): New function to provide system call
 197         emulation.  Provide exit, open, close, read, write, lseek, and
 198         unlink.
 199         (sim_io_getstring): New function to return a string from a
 200         simulated memory location.
 201
 202         * sim-io.h (sim_io_syscalls): Add declaration.
 203
 204 Mon Nov 24 12:09:59 1997  Doug Evans  <devans@seba.cygnus.com>
 205
 206         * sim-core.c (sim_core_signal): Fix spelling error in message.
 207
 208         * sim-hrw.c (sim_read): Use read map, not write map.
 209
 210         * Make-common.in (all): Add .gdbinit.
 211         * gdbinit.in: Add dump command.
 212
 213         * sim-model.c (model_options): Use '\0' for `shortopt'.
 214
 215         * sim-trace.c (trace_option_handler): Set state trace file
 216         for --trace-file in addition to cpu's values.
 217         (trace_vprintf): If cpu == NULL, try state's trace file.
 218         (trace_options): Reorganize table, reword some descriptions.
 219
 220 Sun Nov 23 10:57:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 221
 222         * sim-fpu.c (sim_fpu_abs, sim_fpu_neg, sim_fpu_inv), sim-fpu.h:
 223         New functions.
 224
 225 Sat Nov 22 19:16:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 226
 227         * sim-reason.c (sim_stop_reason): For sim_signalled, return the
 228         signal untranslated, document problem with this.
 229
 230         * nrun.c (main): Check for a prog name of `*step'.  If present,
 231         step the simulator instead of allowing it to run free.
 232
 233         * sim-signal.c (SIGQUIT): Define on _MSC_VER hosts.
 234
 235         * Make-common.in (sim_main_headers): Add sim-signal.h.
 236
 237 Fri Nov 21 09:32:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 238
 239         * sim-signal.c (sim_signal_to_host): Return 0 for SIM_SIGNONE.
 240
 241 Thu Nov 20 20:35:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 242
 243         * sim-signal.h: Start simulator signals at 64 so that host signal
 244         numbers can be detected and reported.
 245
 246         * sim-signal.h (SIM_SIGFPE), sim-signal.h: Add signal.
 247
 248 Wed Nov 19 12:02:41 1997  Doug Evans  <devans@seba.cygnus.com>
 249
 250         * callback.c (cb_host_to_target_stat): Fix return values.
 251
 252         * cgen-sim.h (enum_signal_type): Delete.
 253         (engine_signal): Update prototype.
 254         * cgen-utils.c: Don't include <signal.h>.
 255         (sim_signal_to_host): Delete, lives in sim-signal.c now.
 256         (engine_signal): Update.
 257
 258         * sim-utils.c (sim_state_alloc): Call SIM_STATE_ALLOC if defined.
 259         (sim_state_free): Call SIM_STATE_FREE if defined.
 260
 261         * sim-module.c (sim_module_install): Don't leave any modules
 262         installed if one fails to install.
 263
 264 Wed Nov 19 13:25:48 1997  Michael Meissner  <meissner@cygnus.com>
 265
 266         * sim-options.c: Don't include ../libiberty/alloca-conf.h any
 267         more, since alloca is not used in this file.
 268
 269         * sim-alu.h (ALU{32,64}_*): Rewrite 32 and 64 bit ALU support to
 270         correctly set the carry and overflow bits for those types.
 271         (ALU{8,16,32,64}_{ADD,SUB}_CA): Take VAL argument to add along
 272         with carry, so carry is correct after doing both adds.
 273         (ALU*): Space out '\' to make it easier to read.
 274
 275 Tue Nov 18 15:53:45 1997  Doug Evans  <devans@canuck.cygnus.com>
 276
 277         * sim-core.c (sim_core_signal): Use sim_stopped instead of
 278         sim_signalled.
 279
 280         * sim-signal.c, sim-signal.h: New files.
 281         * Make-common.in (sim-signal.o): Add rule for.
 282         (SIM_NEW_COMMON_OBJS): Add sim-signal.o.
 283         * sim-abort.c: Don't include <signal.h>.
 284         * sim-basics.h: #include "sim-signal.h".
 285         * sim-break.c: Don't include <signal.h>.
 286         (sim_handle_breakpoint): Replace SIGTRAP with SIM_SIGTRAP.
 287         * sim-core.c: Don't include <signal.h>.
 288         (SIGBUS): Delete definition.
 289         (sim_core_signal): Replace SIGSEGV,SIGBUS with SIM_SIGSEGV,SIM_SIGBUS.
 290         * sim-engine.c: Don't include <signal.h>.
 291         (sim_engine_abort): Replace SIGABRT with SIM_SIGABRT.
 292         * sim-reason.c (sim_stop_reason): Call sim_signal_to_host.
 293         * sim-resume.c: Don't include <signal.h>.
 294         (SIGTRAP): Delete definition.
 295         (has_stepped): Replace SIGTRAP with SIM_SIGTRAP.
 296         * sim-stop.c: Don't include <signal.h>.
 297         (control_c_simulation): Replace SIGINT with SIM_SIGINT.
 298         * sim-watch.c: Don't include <signal.h>.
 299         (handle_watchpoint): Replace SIGINT with SIM_SIGINT.
 300
 301         * Make-common.in (SIM_NEW_COMMON_OBJS): New variable.
 302
 303         * sim-base.h (CIA_ADDR): Provide default definition.
 304         * sim-core.c (sim_core_signal): Use CIA_ADDR to fetch value.
 305         * sim-break.c (sim_handle_breakpoint): Likewise.
 306
 307 Mon Nov 17 14:15:31 1997  Doug Evans  <devans@seba.cygnus.com>
 308
 309         * Make-common.in (srccom): New variable.
 310
 311         * Make-common.in (DEP, COMMON_DEP_CFLAGS): Define.
 312         (LIB_OBJS): Add syscall.o.
 313         (gentmap): Pass $(NL_TARGET) to $(CC).
 314         (syscall.o): Add rule for.
 315         (sim_main_headers): Add $(SIM_EXTRA_DEPS).
 316         (sim-bits.o): Depend on $(sim-n-bits_h).
 317         (sim-load.o): Depend on callback.h.
 318
 319         * Make-common.in (cgen-*.o): Update dependencies, mem-ops.h renamed to
 320         cgen-mem.h, sem-ops.h renamed to cgen-ops.h.
 321         * cgen-mem.h, cgen-ops.h: New files.
 322
 323         * aclocal.m4 (--enable-sim-scache): Pass -DWITH_SCACHE=0 for "=no".
 324
 325         * Makefile.in (nltvals.def): Depend on gennltvals.sh.
 326         Rewrite build rule.
 327         * callback.c: #include string.h or strings.h.
 328         #include sys/types.h and sys/stat.h.
 329         (cb_init_syscall_map,cb_init_errno_map,cb_init_open_map): Declare.
 330         (os_get_errno,os_open): Update.
 331         (os_stat,os_fstat): New functions.
 332         (os_init): Initialize syscall_map, errno_map, open_map.
 333         (default_callback): Add entries for os_stat, os_fstat, syscall_map,
 334         errno_map, open_map, signal_map, stat_map.
 335         (cb_read_target_syscall_maps): New function.
 336         (cb_target_to_host_syscall): New function.
 337         (cb_host_to_target_errno): Renamed from host_to_target_errno.
 338         (cb_target_to_host_open): Renamed from target_to_host_open.
 339         (store): New function.
 340         (cb_host_to_target_stat): New function.
 341         * syscall.c: New file.
 342         * gentmap.c (sys_tdefs): New global.
 343         (gen_targ_vals_h): Output target syscall numbers.
 344         (gen_targ_map_c): Update.  Output target syscall translation map.
 345         * gentvals.sh: New first argument `target'.  Preface table with
 346         #ifdef NL_TARGET_$target if non-null target passed.
 347         * gennltvals.sh: New file.
 348         * nltvals.def: Regenerated.
 349
 350 Fri Nov 14 11:33:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 351
 352         * sim-n-core.h (sim_core_read_unaligned_N): Return static
 353         sim_core_dummy_M.
 354         (sim_core_dummy_M): Declare.
 355
 356 Wed Nov 12 18:16:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 357
 358         * sim-core.c (sim_core_signal): Print the address of the
 359         instruction.
 360
 361 Thu Nov 13 11:49:41 1997  Doug Evans  <devans@seba.cygnus.com>
 362
 363         * sim-base.h (sim_state_base): Move `magic' to end of struct.
 364
 365         * sim-base.h (sim_state_base): Add member trace_data.
 366         (STATE_TRACE_DATA): New macro.
 367         * sim-trace.h (TRACE_DEBUG_IDX,TRACE_debug): New macros.
 368         ({WITH_,}TRACE_DEBUG_P): New macros.
 369         (STATE_TRACE_FLAGS,STRACE_P,STRACE_DEBUG_P): New macros.
 370         (_sim_cpu): Delete forward reference.
 371         (debug_printf): Update.
 372         * sim-trace.c (OPTION_TRACE_DEBUG): Define.
 373         (trace_options): Add --trace-debug.
 374         (set_trace_options): Handle it.
 375         (trace_option_handler): Likewise.
 376         (trace_install): Init state trace_data struct.
 377         (trace_uninstall): Close state trace file.
 378         * sim-events.c (ETRACE): Only print source file and line number if
 379         --trace-debug.
 380         * sim-n-core.h (sim_core_trace_M): Likewise.
 381
 382         * sim-core.c (sim_core_signal): Add missing "\n" in message.
 383
 384 1997-11-13  Felix Lee  <flee@cygnus.com>
 385
 386         * sim-n-core.h (sim_core_read_unaligned_N): illegal empty
 387         initializer.
 388         * sim-types.h (unsigned128,signed128): fix typo for MSVC.
 389
 390 Wed Nov 12 12:18:08 1997  Doug Evans  <devans@canuck.cygnus.com>
 391
 392         * aclocal.m4 (SIM_AC_OPTION_SCACHE): Fix typo.
 393
 394         * Make-common.in (BUILT_SRC_FROM_COMMON): Remove files no longer
 395         built this way.
 396         (sim-config.o): Remove non-existent $(sim-nconfig_h) dependency.
 397         (clean): Don't delete $(BUILT_SRC_FROM_COMMON) if building in
 398         source tree.
 399
 400 Tue Nov 11 13:28:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 401
 402         * sim-events.c (sim_events_process): Re-compute the time -
 403         update_time_from_event - as each event is processed. Reverses
 404         previous change.
 405
 406 Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 407
 408         * callback.c (os_poll_quit): Replace _WIN32 with _MSC_VER.
 409
 410 Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 411
 412         * sim-events.c (sim_events_process): Delete redundant call to
 413         update_time_from_event.
 414         (sim_events_slip): Always decrement time_from_event.
 415         (sim_events_tick, sim_events_deschedule, update_time_from_event):
 416         Delete assertion that time_from_event >=0 when work in queue, no
 417         longer applicable.
 418
 419 Thu Nov  6 12:06:46 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 420
 421         * sim-options.c (STANDARD_OPTIONS): Change OPTION_* to an enum.
 422         (standard_option_handler): Update.
 423
 424         * sim-options.h: Clarify documentation.
 425         (OPTION_LONG_ONLY_P): Delete definition.
 426         (OPTION_VALID_P): Define.
 427
 428         * sim-options.c (sim_print_help): Allow short only options.
 429         (sim_parse_args): Ditto.
 430         (sim_args_command): Skip short only options.
 431         (sim_parse_args): Allocate space for NUM_OPTS not just 256. Make
 432         separate entries for short and long options in the HANDLERS and
 433         ORIG_VAL tables.
 434         (sim_parse_args): Disable argument permutation.
 435
 436 Wed Nov  5 13:40:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 437
 438         * sim-core.h (DECLARE_SIM_CORE_WRITE_N. DECLARE_SIM_CORE_READ_N):
 439         Add argument M, size of data type.
 440         (sim_core_read_misaligned_3, sim_core_write_misaligned_3):
 441         Declare, ditto for 5, 6 & 7 byte transfers.
 442         (sim_core_write_unaligned_1, sim_core_write_unaligned_1): Define
 443         as aligned variant.
 444
 445         * sim-n-core.h (sim_core_trace_M): Rename from
 446         sim_core_trace_N. Add nr_bytes argument. Replace transfer argument
 447         with transfer type. Print transfer direction.  Handle 1 and 2 byte
 448         transfers.
 449         (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Trace
 450         unaligned accesses.
 451         (unsigned_M, T2H_M, H2T_M): Rename from unsigned_N, T2H_N, H2T_N.
 452         Update all functions.
 453
 454         * sim-core.c: Generate functions starting with 16 not 1.
 455         (sim_core_read_unaligned_3): Generate. Ditto for 3 byte write and
 456         all 5, 6 & 7 byte transfers.
 457
 458         * sim-n-core.h (sim_core_read_misaligned_N,
 459         sim_core_write_misaligned_N): Implement.
 460
 461 Mon Nov  3 15:03:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 462
 463         * sim-endian.h (U16_8): Implement
 464
 465         * sim-endian.c (sim_endian_split_16, sim_endian_join_16): New functions
 466
 467         * sim-endian.h (VL8_16, VH8_16): Implement.
 468
 469         * sim-memopt.c (memory_option_handler): Typecast 64bit value to
 470         long in printf.
 471         (memory_option_handler): Only zalloc modulo bytes when non-zero.
 472         (memory_option_handler): Skip comma in alias address list
 473
 474 Fri Oct 31 13:03:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 475
 476         * sim-memopt.c (do_memopt_add, do_memopt_delete): Add level and
 477         space params.
 478         (parse_size, parse_addr): New functions
 479         (memory_option_handler, memory_options): Parse address & size
 480         using new functions. Pass level, space, modulo to do_memopt_add &
 481         do_memopt_del.
 482
 483         * sim-memopt.h (struct _sim_memopt): Add level & space fields.
 484
 485         * sim-core.h (sim_core_arrach, sim_core_detach): Replace
 486         `attach_type attach' argument with `unsigned level' argument.
 487         Document.
 488
 489         * sim-core.c (new_sim_core_mapping, sim_core_map_attach,
 490         sim_core_attach): Replace argument attach with level.  Update
 491         verification of arguments.
 492         (sim_core_map_detach, sim_core_detach): Replace argument attach
 493         with level.
 494
 495         * sim-basics.h (enum _attach_type): Delete.
 496
 497 Thu Oct 30 13:45:00 1997  Doug Evans  <devans@seba.cygnus.com>
 498
 499         * sim-core.h (sim_core_write_8): Define.
 500
 501 Tue Oct 28 12:29:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 502
 503         * sim-bits.h: Document ROTn macro.
 504
 505         * sim-endian.h (H2T): Handle 16 byte variables.
 506
 507         * sim-n-core.h (sim_core_read_unaligned_N): Return a dummy when an
 508         error.
 509
 510         * sim-core.c: Do not generate sim_core_*_word.
 511
 512         * sim-n-core.h (sim_core_trace_N): Add line_nr argument.
 513         (sim_core_write_aligned_N, sim_core_read_aligned_N): Update.
 514
 515         * sim-core.h (sim_core_read_unaligned_word,
 516         sim_core_read_aligned_word, sim_core_read_word,
 517         sim_core_write_unaligned_word, sim_core_write_aligned_word,
 518         sim_core_write_word): Change to macros that map onto sim_core_*_N.
 519
 520 Mon Oct 27 11:25:10 1997  Doug Evans  <devans@canuck.cygnus.com>
 521
 522         * sim-n-endian.h: Add TAGS entrys for 16 byte versions.
 523
 524         * sim-endian.h: Disable 16 byte support.
 525
 526 Mon Oct 27 12:00:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 527
 528         * sim-endian.c (_SWAP_16): Define.  Generate 126 bit swap code.
 529
 530         * sim-n-core.h (sim_core_trace_N): New function.
 531         (sim_core_read_aligned_N, sim_core_write_aligned_N): Use,
 532         (sim_core_read_unaligned_N): Do not retyrn bogus value wden error.
 533
 534         * sim-endian.h:  Add 128 bit variant.
 535
 536         * sim-core.h, sim-core.c: Add 128 bit variant.
 537
 538         * sim-types.h: Add signed128 and unsigned128 types using a struct.
 539
 540 Fri Oct 24 11:33:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 541
 542         * sim-events.c (sim_events_process): Clear events->work_pending.
 543         (sim_events_tickn, sim_events_tick): Accumulate, instead of
 544         setting, nr_ticks_to_process.
 545         (sim_events_preprocess): Allow nr_ticks_to_process to be non-zero
 546         when the event queue isn't next.
 547
 548         * sim-events.h, sim-events.c (sim_events_slip): New function.
 549
 550 Wed Oct 22 14:18:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 551
 552         * sim-hload.c (sim_load): Pass lma_p==0 and do_load=sim_load.
 553
 554         * sim-utils.h, sim-load.c (sim_load_file): Add lma_p and do_load
 555         arguments.
 556
 557 Tue Oct 21 18:37:57 1997  Doug Evans  <devans@canuck.cygnus.com>
 558
 559         * nrun.c (main): Remove useless test of name != NULL.
 560         Exit if bfd_openr fails.  Call bfd_check_format after bfd_openr.
 561
 562 Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 563
 564         * sim-fpu.c (EXPMAX): Type is unsigned.
 565         (MIN_INT, MAX_INT): Type is signed64.
 566         (i2fpu): Type of val is signed64.
 567
 568 Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 569
 570         * sim-profile.h (PROFILE_PC_BUCKET_SIZE): Treat a shift of zero as
 571         a bucket size of zero.
 572
 573         * sim-profile.c (OPTION_PROFILE_PC_GRANULARITY,
 574         OPTION_PROFILE_PC): Define.
 575         (profile_option_handler): Add support for --profile-pc and
 576         --profile-pc-granularity options.
 577         (profile_pc_init): When possible, compute nr buckets from bucket
 578         size.
 579
 580         * sim-profile.c (profile_pc_init): Align the profile-pc end
 581         address with the profile-pc bucket size.
 582
 583         * sim-profile.h (PROFILE_PC_NR_BUCKETS): Rename PROFILE_PC_SIZE to
 584         something less ambiguous.
 585         (PROFILE_PC_BUCKET_SIZE): Ditto for PROFILE_PC_SAMPLE_SIZE.
 586
 587         * sim-profile.c (profile_pc_cleanup): New function. Move
 588         profile_pc_uninstall code to here.
 589         (profile_pc_uninstall): Call.
 590         (profile_pc_init): Call.
 591
 592 Mon Oct 20 17:23:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 593
 594         * sim-profile.c (profile_print_pc): Dump pc profile to dmon.out
 595         file using BSD gprof format.
 596
 597         * sim-bits.h (LSBIT, MSBIT, BIT): Force result to type
 598         unsigned_word.
 599         (LSBIT8, LSBIT16, LSBIT32, LSBIT64, MSBIT8, MSBIT16, MSBIT32,
 600         MSBIT64): Force result to unsignedN.
 601
 602 Thu Oct 16 11:38:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 603
 604         * sim-alu.h (ALU16_BEGIN, ALU32_BEGIN, ALU64_BEGIN): Drop opening
 605         brace from macro.
 606         (ALU8_BEGIN, ALU8_SET, ALU8_ADD, ALU8_SUB, ALU8_NEGATE): Define.
 607         (ALU16_ADD, ALU16_SUB, ALU16_NEGATE): Simplify arrithmetic.
 608         (ALU32_ADD, ALU32_SUB, ALU32_NEGATE): Simplify arrithmetic.
 609         (ALU64_ADD, ALU64_SUB, ALU64_NEGATE): Simplify arrithmetic.
 610
 611 Wed Oct 15 09:24:19 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 612
 613         * sim-core.h (struct _sim_core_mapping): Change free_buffer to
 614         type void*.
 615
 616         * sim-core.c (sim_core_uninstall, new_sim_core_mapping,
 617         sim_core_map_attach, sim_core_map_detach): Change free_buffer to
 618         type void*.
 619         (sim_core_attach): Rename buffer_freed to free_buffer, type
 620         void*. Ensure that allocated buffer is alligned according to
 621         region's address.
 622
 623 Mon Oct 13 11:34:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 624
 625         * sim-alu.h (ALU64_HAD_OVERFLOW): Define.
 626         (ALU64_SUB): Define.
 627
 628         * Make-common.in (all): Build SIM_EXTRA_ALL first.
 629         (.gdbinit): Remove dependencies, generate once per build.
 630
 631 Tue Oct 14 19:20:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 632
 633         * sim-n-core.h (sim_core_read_aligned_N,
 634         sim_core_write_aligned_N): Make xaddr param type address_word not
 635         unsigned_word.
 636
 637 Fri Oct  3 09:49:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 638
 639         * sim-fpu.h, sim-fpu.c: Rewrite.  Change sim_fpu object to an
 640         unpacked floating point struct.  Pass sim_fpu object by reference.
 641         Add preliminary support for rounding modes.
 642
 643 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 644
 645         * configure: Regenerated to track ../common/aclocal.m4 changes.
 646
 647 Thu Oct  2 19:43:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 648
 649         * aclocal.m4 (sim-bitsize): Fix typo, WITH_TARGET_WORD_BITSIZE not
 650         WITH_TARGET_BITSIZE.
 651
 652 Thu Sep 25 23:20:20 1997  Felix Lee  <flee@yin.cygnus.com>
 653
 654         * sim-profile.c (profile_print_core): label needs empty statement.
 655
 656 Thu Sep 25 11:20:47 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 657
 658         * sim-break.c (sim_set_breakpoint sim_clear_breakpoint):  Use ZALLOC
 659         and zfree instead of xmalloc and free.  Prevents warnings.
 660
 661 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 662
 663         * configure: Regenerated to track ../common/aclocal.m4 changes.
 664
 665 Wed Sep 24 17:23:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 666
 667         * Make-common.in (SIM_BITSIZE): Assign from configured value.
 668         (CONFIG_CFLAGS): Add SIM_BITSIZE.
 669
 670         * aclocal.m4 (--enable-sim-bitsize): Developer option for
 671         controling the bitsize/msb of the target.
 672
 673 Wed Sep 24 17:41:40 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>
 674
 675         * Make-common.in:  New files sim-break.c, sim-break.h.
 676         * sim-base.h:  Add point to breakpoint list to sim_state_base.
 677         * sim-break.c sim-break.h:  New modules that implement intrinsic
 678         breakpoint support.
 679         * sim-module.c:  Add breakpoint module.
 680
 681 Tue Sep 23 00:26:39 1997  Felix Lee  <flee@yin.cygnus.com>
 682
 683         * sim-events.c (SIM_EVENTS_POLL_RATE): poll more often than once
 684         an hour.
 685         * sim-n-core.h (WITH_XOR_ENDIAN): MSVC barfs on
 686         if (0) { 1 % 0; }
 687         * sim-core.c (sim_core_xor_write_buffer): WITH_XOR_ENDIAN + 1.
 688         (SIGBUS) define for Windows.
 689         * sim-trace.c (trace_printf,debug_printf): added ALMOST_STDC.
 690         * sim-resume.c: define SIGTRAP for windows.
 691         * sim-xcat.h: use token pasting if ALMOST_STDC.
 692
 693 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 694
 695         * Make-common.in (SIM_SCACHE, SIM_DEFAULT_MODEL): Assign
 696         configured values.
 697         (CONFIG_CFLAGS): Add same.
 698
 699 Mon Sep 22 17:20:27 1997  Felix Lee  <flee@cygnus.com>
 700
 701         * sim-types.h (SIGNED64): ##i64 when _MSC_VER, not _WIN32.
 702         (SIGNED32): use ##i32.
 703
 704 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 705
 706         * configure: Regenerated to track ../common/aclocal.m4 changes.
 707
 708 Tue Sep 23 10:07:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 709
 710         * aclocal.m4 (sim-endian): Simplify logic determining [default]
 711         endian of target.
 712
 713         * Make-common.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 714         SIM_HOSTENDIAN, SIM_RESERVED_BITS, SIM_ASSERT, SIM_FLOAT,
 715         SIM_HARDWARE, SIM_INLINE, SIM_PACKAGES, SIM_REGPARM, SIM_SMP,
 716         SIM_STDCALL, SIM_XOR_ENDIAN): Assign configured values.
 717         (CONFIG_CFLAGS): Add same.
 718
 719         * aclocal.m4: Perform AC_SUBST on optional options.
 720
 721 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 722
 723         * sim-config.h (WITH_DEFAULT_ALIGNMENT): Don't hardwire any alignment.
 724
 725         * sim-options.c (standard_option_handler): Typo in warning message.
 726
 727         * sim-base.h (STATE_MODEL): Make conditional on SIM_HAVE_MODEL.
 728
 729         * sim-profile.c (profile_print_insn): Check 0 .. MAX_INSN for any
 730         insn count.  Make count conditional on there being a valid
 731         INSN_NAME.
 732         (profile_pc_init): Make default PC profile frequency an arbitrary
 733         256.
 734
 735         * sim-base.h: Ditto.
 736
 737         * sim-profile.h (WITH_PROFILE_MODEL_P): Only enable modeling when
 738         SIM_HAVE_MODEL.
 739
 740         * sim-model.h (struct MACH): Depreciate, to be replaced by bfd
 741         archure struct.
 742
 743 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 744
 745         * configure: Regenerated to track ../common/aclocal.m4 changes.
 746
 747 Mon Sep 22 11:45:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 748
 749         * aclocal.m4 (sim_alignment): Simplify logic for selecting the
 750         configured alignment.
 751
 752 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 753
 754         * configure: Regenerated to track ../common/aclocal.m4 changes.
 755
 756 Fri Sep 19 17:26:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 757
 758         * sim-config.c (sim_config): Check for default alignment.
 759
 760         * sim-options.c (standard_option_handler): Add alignment option.
 761
 762         * aclocal.m4 (sim_alignment): Allow configuration of hardwired and
 763         default alignment requirements on memory accesses.
 764
 765 Fri Sep 19 11:51:35 1997  Jeffrey A Law  (law@cygnus.com)
 766
 767         * sim-load.c (sim_load_file): Return failure if the executable
 768         had no loadable sections.
 769
 770 Wed Sep 17 13:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 771
 772         * sim-events.c (ETRACE): Use trace_printf not sim_io_printf for
 773         trace output.
 774
 775         * sim-core.c (sim_core_signal): When bad access halt simulator
 776         SIGSEGV / SIGBUS instead of aborting.
 777         (signal.h): Include.
 778
 779         * sim-watch.c (sim_watchpoint_install): Handler for watchpoint
 780         options was missing.
 781
 782         * sim-bits.h (MOVED): Define
 783
 784 Wed Sep 17 10:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 785
 786         * sim-alu.h (ALU32_HAD_OVERFLOW): Pacify GCC, Use MSBIT instead of
 787         BIT.
 788
 789         * sim-bits.h (LSBIT, MSBIT): Check for overflow of shift value.
 790
 791         * sim-bits.c: Add 8 bit versions of bit macros.
 792
 793         * sim-bits.h: Ditto.
 794
 795 Tue Sep 16 16:15:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 796
 797         * sim-bits.c (LSSEXT, MSSEXT): Replace SEXT.
 798         (LSINSERTED, MSINSERTED): Ditto for INSERTED.
 799
 800         * sim-n-bits.h (MSSEXTn, LSSEXTn): Replace SEXTn.
 801         (LSINSERTDn, MSINSERTEDN): Ditto for INSERTEDn.
 802
 803         * sim-bits.h (SEXT*): Define as MSEXT/LSEXT.
 804         (INSERTED*): Ditto for LSINSERTED/MSINSERTED.
 805
 806 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 807
 808         * aclocal.m4 (SIM_AC_COMMON): Add optional config.h file argument.
 809         configure.in: Output to cconfig.h instead of config.h.
 810
 811         * configure: Regenerated to track ../common/aclocal.m4 changes.
 812
 813 Mon Sep 15 15:39:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 814
 815         * sim-utils.c (sim_analyze_program): Set STATE_ARCHITECTURE from
 816         BFD if known.
 817
 818 Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>
 819
 820         * callback.c (os_write): divert stdout and stderr to their
 821         respective hooks.
 822
 823 Thu Sep 11 10:08:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 824
 825         * sim-profile.c (profile_print_speed): Call
 826         sim_events_elapsed_time instead of PROFILE_EXEC_TIME for moment.
 827
 828         * sim-events.c (sim_events_elapsed_time): New function return nr
 829         host MS consumed by the simulator.
 830         (sim_watch_valid): Use.
 831
 832         * sim-module.c (modules): Install sim_events very very early.
 833
 834         * sim-profile.c (profile_print): Call profile_print_pc.
 835         (print_bar):
 836         (profile_pc_init): New function, set up processor for PC
 837         profiling.
 838         (profile_print_pc): New function, print a PC profile.
 839         (profile_pc_event): New function, sample PC.
 840
 841         * sim-profile.h (PROFILE_PC_COUNT, PROFILE_PC_START,
 842         PROFILE_PC_END, PROFILE_PC_SHIFT, PROFILE_PC_SAMPLE_SIZE): Add to
 843         profile struct.
 844
 845         * sim-options.c (sim_print_help): Pacify GCC.
 846
 847         * sim-n-core.h (sim_core_read_aligned_N,
 848         sim_core_write_aligned_N): Add un-conditional profile call.
 849         (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Add
 850         profile call when aligned read/write isn't used.
 851
 852         * sim-base.h: Include sim-profile, sim-model after sim-core &
 853         sim-events allow sim-core to define useful values.
 854
 855         * sim-profile.c (OPTION_PROFILE_CORE): Define.
 856         (profile_option_handler, profile_options): Add support for
 857         --profile-core option.
 858         (print_bar): Include when core profiling.
 859         (profile_print_core): New function, print core profile.
 860
 861         * sim-config.c (print_sim_config): Print profile status.
 862
 863         * sim-profile.h (PROFILE_NEXT_IDX, PROFILE_core,
 864         WITH_PROFILE_PC_P): Define.
 865         (PROFILE_CORE_COUNT): Count each core-map/size separatly.
 866         (PROFILE_COUNT_CORE): Define.
 867
 868 Thu Sep 11 08:44:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 869
 870         * sim-watch.c (handle_watchpoint): Pass a char** index into the
 871         interrupt_names array as the data.
 872         (sim-watch.h): Document.
 873
 874 Wed Sep 10 16:15:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 875
 876         * sim-options.c (sim_print_help): When the doc string is to long
 877         word wrap it.
 878
 879         * sim-watch.c (sim_watchpoint_install): Use option.doc_name so
 880         that only the first few the watch options are listed.  Generate
 881         meanginful usage messages.
 882
 883         * sim-options.h (struct OPTION): Clarify use of doc_name field
 884
 885 Wed Sep 10 13:23:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 886
 887         * sim-options.c (OPTION_ARCHITECTURE_INFO): New option.
 888         (standard_option_handler): Handle --architecture-info.
 889
 890 Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>
 891
 892         * sim-core.h (sim_cpu_core): [WITH_XOR_ENDIAN + 1], to avoid
 893         illegal zero-sized array.
 894         * sim-core.c (sim_core_xor_read_buffer): same.
 895
 896 Tue Sep  9 11:20:35 1997  Doug Evans  <dje@canuck.cygnus.com>
 897
 898         * nltvals.def: Regenerate.
 899
 900 Tue Sep  9 02:10:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 901
 902         * sim-fpu.c (DP_FRACHIGH2): Define LL using SIGNED64.
 903
 904 Mon Sep  8 12:22:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 905
 906         * sim-bits.c (MASKED): Delete.
 907         (EXTRACTED): Delete.
 908         (LSEXTRACTED, MSEXTRACTED): New functions.
 909
 910         * sim-n-bits.h (MASKEDn): Delete, define as MSMASKED or LSMASKED.
 911         (MSMASKEDn, LSMASKEDn): Add last argument.
 912         (MSMASK*): Ditto.
 913
 914         * sim-bits.h (EXTEND8, EXTEND16): Define.
 915         (EXTRACTED64): Define as 64 bit extract, not 32 bit.
 916
 917         * sim-run.c (sim_engine_run): Use CPU_CIA macro.
 918
 919         * sim-engine.h (SIM_ENGINE_HALT_HOOK): Use CPU_CIA to get at
 920         current instruction address.
 921
 922         * sim-inline.h (*_ENGINE): Define.
 923
 924 Fri Sep  5 08:39:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 925
 926         * sim-core.c (sim_core_attach): Fix checks of modulo/mask.
 927
 928         * sim-watch.c (delete_watchpoint): Delete by ident and type.
 929         (watch_option_handler): Call delete_watchpoint with ident or type.
 930         (sim_watchpoint_install): Create interrupt specific watchpoint
 931         commands on the fly.
 932         (do_watchpoint_create): New function, create a watch point using
 933         type/int-nr info encoded in the option nr.
 934         (do_watchpoint_info): New function.  List active watchpoints.
 935
 936         * sim-watch.h: Change data structure to a list.
 937
 938         * sim-memopt.c (memory_option_handler): Require explicit "all"
 939         before deleting all memory regions.
 940
 941         * sim-utils.c (sim_do_commandf): New function, printf version of
 942         sim_do_command.
 943
 944         * sim-basics.h (asprintf, vasprintf): Hack, define for CYGWIN32.
 945
 946         * sim-alu.h (ALU64_ADD): Use explicit MSEXTRACTED64, do not assume
 947         bit endianness.
 948         (SIGNED64, UNSIGNED64): Delete.
 949         (ALU64_ADD): Don't rely on bit endianness.
 950         (ALU64_BEGIN): Define.
 951
 952         * sim-n-bits.h (MSEXTRACTEDn, LSEXTRACTED): New functions.
 953         (EXTRACTEDn): Delete, define as either LSEXTRACTED or MSEXTRACTED.
 954
 955         * sim-types.h (SIGNED64, UNSIGNED64): New macros, attach relevant
 956         suffix - u64, LL - to 64 bit constants.
 957
 958 Thu Sep  4 09:27:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 959
 960         * sim-config.c (sim_config): Add assert for SIM_MAGIC_NUMBER.
 961
 962         * sim-utils.h (NZALLOC): Define - zalloc * N.
 963
 964         * sim-hrw.c (sim_read, sim_write): New file.  Provide generic
 965         implementation of read/write functions.
 966
 967         * Make-common.in (sim-hrw.o): New target.
 968
 969         * sim-base.h (STATE_MEMOPT_P): Delete, simulators _always_ add
 970         memory.
 971
 972         * sim-memopt.c (memory_option_handler): Implement memory-size
 973         command. Implement memory-alias command.  Let memory-delete delete
 974         all memory regions.
 975         (add_memopt): New function.  Add a memory region.
 976         (do_memopt_delete): New function. Delete a memory region.
 977
 978         * sim-utils.c (sim_elapsed_time_get): Never return zero.
 979
 980         * sim-core.c (sim_core_detach): New function.
 981         (sim_core_map_detach): New function. Perform the actual detach.
 982         (sim_core_init): Move initialization code from here.
 983         (sim_core_install): To here.
 984         (sim_core_uninstall): And here.
 985
 986         * sim-module.c: Add memopt module.
 987
 988         * sim-base.h (STATE_MEMOPT, STATE_MEMOPT_P): Add memopt to
 989         simulator base type.
 990
 991         * Make-common.in (sim_main_headers): Add sim-memopt.h
 992         (sim-memopt.o): New target.
 993
 994         * sim-core.c (sim_core_install): Add core_options to the option
 995         table.
 996
 997         * sim-watch.c (watch_options): Make --delete-watch a synonym for
 998         --watch-delete.
 999
1000         * sim-config.h (WITH_MODULO_MEMORY): Define as 0.  Update
1001         comments.
1002
1003         * sim-core.h (struct _sim_core_mapping): Change nr_bytes to type
1004         address_word, add mask member.
1005
1006         * sim-core.h, sim-core.c (sim_core_attach): Make nr_bytes of type
1007         address_word, allow for 64bit targets in 32bit host. Add modulo
1008         argument.
1009         (sim_core_map_attach): Ditto.
1010         (new_sim_core_mapping): Ditto.
1011         (sim_core_translate): Mask address when modulo memory.
1012
1013 Wed Sep  3 17:32:54 1997  Doug Evans  <dje@seba.cygnus.com>
1014
1015         * sim-hload.c (sim_load): Add assert for SIM_MAGIC_NUMBER.
1016
1017         * gdbinit.in: New file.
1018         * aclocal.m4 (SIM_AC_OUTPUT): Build .gdbinit.
1019         * Make-common.in (distclean): Delete .gdbinit.
1020         (.gdbinit): Add rule for.
1021         * configure: Regenerated to track ../common/aclocal.m4 changes.
1022
1023         * Make-common.in (cgen-run.o): Add rule for.
1024
1025 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1026
1027         * sim-resume.c (sim_resume): Suspend/resume the simulator.
1028
1029         * sim-events.c (sim_watch_valid): Compute total elapsed time from
1030         both resumed and previous elapsed time.
1031         (sim_events_init): Set initial_wallclock and current_wallclock to
1032         zero.
1033         (sim_events_install): Install sim_events_suspend and
1034         sim_events_resume.
1035         (sim_events_watch_clock): Allow for suspended simulator when
1036         computing the time of the clock event.
1037
1038         * sim-events.h (struct _sim_event): Add resume_wallclock, rename
1039         initial_wallclock to elapsed_wallclock, set both to zero.
1040         (sim_events_init, sim_events_uninstall): Delete prototypes.
1041
1042         * sim-module.h (MODULE_SUSPEND_FN, MODULE_RESUME_FN): Define types.
1043
1044         * sim-module.c(sim_module_resume, sim_module_suspend): New
1045         functions.
1046
1047 Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1048
1049         * sim-core.c (sim_core_map_attach): Clarify memory overlap error
1050         message.
1051
1052 Tue Sep  2 14:57:06 1997  Doug Evans  <dje@canuck.cygnus.com>
1053
1054         * Makefile.in (TAGS): Add support for "/* TAGS: foo */" marker.
1055         * Make-common.in (TAGS): Likewise.
1056         * sim-n-bits.h: Add TAGS comments for all functions.
1057         * sim-n-core.h: Likewise.
1058         * sim-n-endian.h: Likewise.
1059
1060 Mon Sep  1 10:50:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1061
1062         * sim-utils.c (sim_state_alloc): Set CPU backlinks, callback and
1063         kind.
1064
1065         * sim-base.h (sim_state_alloc): Add callback and kind arguments.
1066
1067         * sim-base.h (INVALID_INSTRUCTION_ADDRESS): Add default
1068         definition.
1069
1070 Sat Aug 30 09:47:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1071
1072         * sim-fpu.c (DP_GARDMSB, ...): Make unsigned.
1073         (DP_FRACHIGH, DP_FRACHIGH2, ..): Use MSMASK to avoid LL.
1074
1075 Fri Aug 29 13:37:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1076
1077         * sim-core.c (sim_core_map_attach): Cast attach enum to int.
1078         (sim_core_xor_read_buffer, sim_core_xor_write_buffer): Make
1079         nr_transfered and nr_this_transfer unsigned.
1080
1081         * sim-events.c (sim_events_tickn): N is signed, as limited to
1082         MAXINT.
1083
1084         * sim-n-endian.h (offset_N): Change size to unsigned.
1085
1086         * callback.c (os_poll_quit): Add prototypes for kbhit and getkey.
1087
1088 Fri Aug 29 10:10:53 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1089
1090         * sim-utils.c (sim_copy_argv): Delete, replaced by dupargv.
1091
1092         * sim-options.c (sim_parse_args): Use dupargv.
1093
1094 Thu Aug 28 10:36:34 1997  Doug Evans  <dje@canuck.cygnus.com>
1095
1096         * sim-options.c (standard_option_handler): Use xstrdup, not strdup.
1097
1098 Thu Aug 28 12:09:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1099
1100         * sim-base.h (STATE_ARCHITECTURE, STATE_TARGET): Add to simulator
1101         base type.
1102
1103         * sim-options.c (standard_options): Add --architecture=MACHINE and
1104         --target=TARGET options.
1105         (OPTION_ARCHITECTURE, OPTION_TARGET): Define.
1106         (standard_option_handler): Handle architecture and target options.
1107         (bfd.h): Include.
1108
1109         * sim-utils.c (sim_analyze_program): Pass STATE_TARGET to
1110         bfd_openr.
1111         (sim_analyze_program): Set prog_bfd architecture from
1112         STATE_ARCHITECTURE if known.
1113
1114 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1115
1116         * configure: Regenerated to track ../common/aclocal.m4 changes.
1117         * config.in: Ditto.
1118
1119 Wed Aug 27 18:11:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1120
1121         * aclocal.m4 (enable-sim-warnings): Remove comment stating
1122         that option does not apply to certain files.
1123
1124 Wed Aug 27 15:13:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1125
1126         * sim-bits.h (LSBIT8, LSBIT16, LSBIT32, LSBIT64, LSBIT, MSBIT8,
1127         MSBIT16, MSBIT32, MSBIT64, MSBIT): New macros - single bit as
1128         offset from MSB/LSB.
1129
1130         * sim-endian.h (A1_8, A2_8, A4_8, A1_4, A2_4, A1_2): New macro,
1131         access address of sub word quantity of a hosts 16, 32, 64 bit word
1132         type.
1133         (V1_2, V1_4, V2_4, V1_8, V2_8, V4_8): Ditto for values.
1134         (U8_1, U8_2, U8_4, U4_1, U4_2, U2_1): Ditto for set of values.
1135         (V2_H1, V2_L1, V4_H2, V4_L2, V8_L4, V8_H4): Given N byte argument,
1136         return N*2 byte value with argument in Hi/Lo word.  Renamed from
1137         V1_H2, V1_L2, V2_H4, V2_L4, V4_H8, V4_L8.
1138
1139         * sim-alu.h (ALU32_HAD_OVERFLOW): Use 64 bit mask not 32bit.
1140         (ALU16_HAD_CARRY, ALU32_HAD_CARRY, ALU16_HAD_OVERFLOW): Use MSBIT
1141         so that bit offset is explicit.
1142
1143 Wed Aug 27 11:55:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1144
1145         * sim-utils.c (sim_analyze_program): Add prog_name argument.
1146         Update STATE_PROG_BFD when needed with a dup'd copy of the
1147         program.
1148
1149         * sim-config.c (sim_config): Delete ABFD argument, use
1150         STATE_PROG_BFD directly.
1151
1152 Tue Aug 26 12:55:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1153
1154         * run.c (main): Pass the open ABFD to sim_create_inferior.
1155
1156         * nrun.c (main): Determine prog_bfd.  Pass to sim_create_inferior
1157         and sim_load.
1158         (bfd.h): Include.
1159
1160         * sim-hload.c (sim_load): New file. Implement generic sim_load for
1161         hardware only simulator targets.
1162
1163         * Make-common.in (sim-hload.o): Add rule.
1164
1165 Wed Aug 27 09:51:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1166
1167         * sim-utils.c (sim_copy_argv): Rewrite to match malloc strategy
1168         used by copyargv and freeargv.
1169
1170         * sim-options.c (sim_parse_args): Save a copy of PROG-ARGS in
1171         STATE_PROG_ARGV, not just a pointer.
1172
1173 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1174
1175         * configure: Regenerated to track ../common/aclocal.m4 changes.
1176         * config.in: Ditto.
1177
1178 Mon Aug 25 12:11:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1179
1180         * aclocal.m4 (sim-endian): Add second argument to
1181         SIM_AC_OPTION_ENDIAN.  First is hardwired endian, second is
1182         default endian when not hardwired.
1183
1184         * sim-config.h (WITH_DEFAULT_TARGET_BYTE_ORDER): New macro, if all
1185         else failes value for target byte order.
1186
1187         * sim-config.c (sim_config): Add abfd arguments. Set
1188         STATE_PROG_BFD accordingly.  Determine prefered_target_byte_order
1189         from same.
1190         (sim_config): Return SIM_RC, don't abort.
1191         (bfd.h): Include.
1192
1193         * run.c (main): Update call to sim_open - add ABFD argument.
1194         * nrun.c (main): Add NULL ABFD argument.
1195
1196 Thu Aug 14 12:48:57 1997  Doug Evans  <dje@canuck.cygnus.com>
1197
1198         * callback.c (os_poll_quit): Make static.
1199         Call sim_cb_eprintf, not p->eprintf.
1200         (sim_cb_printf, sim_cb_eprintf): New functions.
1201         * sim-utils.h (sim_cb_printf, sim_cb_eprintf): Declare.
1202
1203         * sim-basics.h (zalloc,zfree,sim_add_commas,SIM_ELAPSED_TIME,
1204         sim_elapsed_time_get,sim_elapsed_time_since): Move decls to
1205         sim-utils.h. #include sim-utils.h.
1206         * sim-utils.h: Above decls moved here.
1207         (sim_analyze_program,sim_load_file): Use `struct _bfd', not `bfd'.
1208
1209         * sim-watch.c (action_watchpoint): Fix thinkos.
1210
1211 Thu Jul 24 08:48:05 1997  Stu Grossman  (grossman@critters.cygnus.com)
1212
1213         * sim-types.h:  Fix defs of 64 bit data types for MSVC.
1214
1215 Tue Jul 22 10:35:37 1997  Doug Evans  <dje@canuck.cygnus.com>
1216
1217         * sim-n-core.h (sim_core_write_unaligned_N): Add missing break
1218         to FORCED_ALIGNMENT case.
1219
1220 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1221
1222         * callback.c (target_to_host_open): Handle hosts with O_BINARY.
1223
1224 Thu Jun  5 08:47:10 1997  Jeffrey A Law  (law@cygnus.com)
1225
1226         * Make-common.in (libsim.a): Fix typo.
1227
1228 Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1229
1230         * nrun.c (main): Verify the structure returned before using it.
1231
1232 Wed Jun  4 11:44:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1233
1234         * sim-config.h (WITH_ENGINE): Enable the sim-engine module by
1235         default.
1236
1237         * sim-engine.c (sim_engine_install): New function.  Install the
1238         engine init functions.
1239         (sim_engine_init): [Re]initialize the simulator engine.
1240
1241         * sim-module.c: Add sim_engine to list of modules that always
1242         install.
1243
1244 Tue Jun  3 04:52:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1245
1246         * sim-watch.c (schedule_watchpoint): Use sim_unschedule_watchpoint
1247         to remove the old watchpoint, not delete_watchpoint.
1248         (watch_option_handler): Action the correct watchpoint, not just
1249         cycles.
1250
1251 Wed May 28 14:47:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1252
1253         * sim-n-core.h (sim_core_write_aligned_N): For 8byte reads, output
1254         both low and high word.
1255         (sim_core_write_aligned_N): Ditto.
1256
1257         * sim-trace.c (set_trace_options): Delete code explicitly setting
1258         core->trace.
1259
1260         * sim-options.c (sim_print_help): Call the list commands if not a
1261         standalone simulator.
1262         (sim_print_help): Advise that some options may not be applicable.
1263
1264         * sim-trace.c (set_trace_options): Assume core present.
1265
1266         * sim-events.c (sim_events_schedule_after_signal): Overflow signal
1267         buffer when full not almost full.
1268
1269 Tue May 27 14:32:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1270
1271         * sim-events.c (sim_events_process): Don't blat the event queue
1272         when processing watchpoints.
1273
1274         * sim-watch.h: Make arg unsigned long - stop sign extension.
1275
1276         * sim-events.c (sim_watch_valid): rewrite so debugable.
1277
1278         * sim-config.h (WITH_XOR_ENDIAN): Default to zero.
1279
1280         * sim-watch.c (schedule_watchpoint): Add is_within option so that
1281         inequality test is possible.
1282         (handle_watchpoint): Re-pass is_within arg.
1283         (watch_option_handler): When `!' prefix to pc-watchpoint arg pass
1284         0 to schedule_watchpoint's is_within arg.
1285         (sim_watchpoint_init): Re-pass is_within arg.
1286
1287         * sim-options.c (sim_print_help): Add is_command argument.  Don't
1288         include -- prefix when called from the command line interpreter.
1289
1290         * sim-watch.c (schedule_watchpoint): Pass true is_within argument.
1291
1292         * sim-events.c (sim_events_watch_sim): Add is_within argument,
1293         zero indicates that the test should be reversed.
1294         (sim_events_watch_core): Ditto.
1295         (WATCH_CORE): Compare range against is_within.
1296         (WATCH_SIM): Ditto.
1297
1298 Tue May 27 12:48:03 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1299
1300         * sim-events.c (WATCH_CORE): Pass NULL cpu argument to
1301         sim_core_read_buffer.  Check nr-bytes transfered.
1302
1303         * sim-core.h (sim_core_common): Define a new struct that contains
1304         the common data.  to sd and cpu structures.
1305         * sim-core.c (sim_core_attach): Update.
1306         (sim_core_init): Update. Remember to copy initialized data to each
1307         cpu.
1308         (sim_core_find_mapping): Ditto.
1309
1310         * sim-core.c (sim_core_read_buffer): Add cpu argument.
1311         (sim_core_write_buffer): Ditto.
1312
1313         * sim-n-core.h (sim_core_read_unaligned_N): When mis-aligned
1314         transfer use xor version of read buffer.
1315         (sim_core_write_unaligned_N): Ditto for write.
1316
1317         * sim-core.c (sim_core_xor_read_buffer): New function implement
1318         xor-endian data read breaking transfer up into xor-endian sized
1319         blocks.
1320         (sim_core_xor_write_buffer): Ditto for write.
1321         (reverse_n): Reverse order of arbitrary number of bytes in buffer
1322         - needed for xor-endian transfers.
1323
1324 Fri May 23 14:24:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1325
1326         * sim-inline.h: Review description.
1327
1328         * sim-core.h, sim-core.c: Reduce number of functions being inlined
1329         to just those involved in data transfers and configuration.
1330
1331         * sim-xcat.h (XSTRING): New macro, map macro definition onto
1332         string.
1333         * sim-n-core.h (sim_core_read_aligned_N): Use.
1334         (sim_core_read_unaligned_N): Ditto.
1335         (sim_core_read_unaligned_N): Ditto..
1336         (sim_core_write_unaligned_N): Ditto.
1337
1338         * sim-core.h: Add xor endian bitmap to main structure.  *
1339
1340         sim-n-core.h (sim_core_write_aligned_N): Add suport for xor
1341         endian.
1342         (sim_core_read_aligned_N): Ditto.
1343
1344         * sim-core.c (sim_core_set_xor_endian): New function.
1345         (sim_core_attach): Don't overwrite the per-cpu xor map when
1346         cloning the global core.
1347
1348 Fri May 23 10:53:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1349
1350         * sim-engine.h: Update below so that it is using an enumerated
1351         type.
1352
1353 Thu May 22 09:12:16 1997  Gavin Koch  <gavin@cygnus.com>
1354
1355         * sim-engine.c (sim_engine_restart):
1356         * sim-resume.c (sim_resume): Change longjmp param/setjmp
1357         return value used for simulator restart from 0 to 2.
1358
1359 Wed May 21 08:47:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1360
1361         * cgen-scache.c (scache_option_handler): Add is_command arg.
1362
1363         * sim-model.c (model_option_handler): Add is_command argument.
1364
1365         * sim-profile.c (profile_option_handler): Add is_command arg.
1366
1367         * sim-events.c (sim_watch_valid): Use ub64, lb64 when 64bit value
1368         involved.
1369
1370         * sim-module.c (sim_module_add_init_fn): Call init fn in the same
1371         order that they are registered.
1372
1373         * sim-options.h (OPTION_HANDLER): Add argument to differentiate
1374         between option and command line processing.
1375
1376         * sim-options.c: Include stdlib.h, ctype.h.
1377
1378         * Make-common.in (sim-watch.o): Add rule.
1379         (sim_main_headers): Assume sim-assert.h included.
1380         (sim-*.o): Simplify make rule.
1381
1382         * sim-module.c: Add sim_watch_install to module list.
1383
1384 Tue May 20 14:15:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1385
1386         * sim-base.h (STATE_LOADED_P): New predicate. Set once everything
1387         has been loaded.
1388
1389         * sim-trace.c (trace_install): Check magic. Include sim-assert.h.
1390         * sim-events.c (sim_events_install): Ditto.
1391         * sim-core.c (sim_core_install): Ditto.
1392         * sim-model.c (model_install): Ditto.
1393         * sim-options.c (standard_install): Ditto.
1394         * sim-profile.c (profile_install): Ditto.
1395         * sim-reason.c (sim_stop_reason): Ditto.
1396         * sim-run.c (sim_engine_run): Ditto.
1397         * sim-utils.c (sim_analyze_program): Ditto.
1398
1399         * sim-module.c (modules): Make profile_install and trace_install
1400         optional.
1401
1402         * sim-base.h (STATE_MEM_BASE): Define for flat memory systems.
1403
1404         * sim-options.c (standard_option_handler): Set the byte order.
1405
1406         * sim-events.c (sim_events_process): Allow multi tick processing.
1407         (sim_events_tickn): New function - multi cycle tick.
1408
1409         * sim-events.h (sim_events_tickn, sim_events_timewarp): Add
1410         prototypes.  Under development.
1411         (sim_events): Replace processing with nr_ticks_to_process.
1412
1413 Tue May 20 09:39:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1414
1415         * nrun.c (main): Pass callbacks to sim_open instead of using
1416         sim_set_callbacks.
1417
1418         * run.c (main): Ditto.
1419
1420 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1421
1422         * sim-events.c (sim_events_zalloc): Signal save memory allocator -
1423         stop tk interrupting malloc calls.
1424         (sim_events_zalloc): Converse.
1425
1426         * Make-common.in (sim_main_headers): Add sim-events.h.
1427
1428         * sim-events.c (sim_events_schedule_after_signal): Change return
1429         type to void - signal events are strictly internal.
1430         (sim_events_init): Allocate a finite buffer for signal events.
1431         (sim_events_schedule_after_signal): Enter signal events into the
1432         signal buffer.
1433
1434         * sim-engine.c (sim_engine_halt): Check SIM_DESC magic.
1435         (sim_engine_restart): Ditto.
1436         (sim_engine_abort): Ditto.
1437         * sim-stop.c (sim_stop): Ditto.
1438         (control_c_simulation): Ditto.
1439         * sim-resume.c (sim_resume): Ditto.
1440         (has_stepped): Ditto.
1441         * sim-abort.c (sim_engine_abort): Ditto.
1442
1443         * sim-basics.h (transfer_type): New type.
1444
1445         * sim-core.c (sim_core_signal): New function. Print core signal
1446         information.
1447         (sim_core_find_mapping): Add transfer argument.
1448
1449         * sim-n-core.h (sim_core_{write,write}_unaligned_N): Call
1450         SIM_CORE_SIGNAL if a recoverable abort.
1451         * sim-core.c (sim_core_find_mapping): Ditto.
1452
1453 Fri May 16 15:13:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1454
1455         * sim-core.c (sim_core_find_mapping): Replace calls to
1456         sim_io_error to more resiliant sim_engine_abort.
1457
1458         * sim-n-core.h (sim_core_read_unaligned_N): Ditto.
1459         (sim_core_write_unaligned_N): Ditto.
1460
1461 Tue May 13 13:50:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1462
1463         * sim-module.c: Add sim_events_install to list.
1464
1465         * sim-events.c (sim_events_install, sim_events_uninstall): Clonse
1466         from sim_core_*.
1467         (sim_events_init): Now returns SIG_RC.
1468
1469         * sim-run.c: New file. Generic sim_engine_run.
1470         * sim-reason.c: New file. Generic sim_stop_reason.
1471         * sim-stop.c: New file. Generic sim_stop.
1472         * sim-resume.c: New file. Generic sim_resume.
1473
1474         * Make-common.in (sim-engine.o): Add rule.
1475         (sim-run.o, sim-reason.o, sim-stop.o, sim-resume.o): Ditto.
1476
1477         * sim-engine.h, sim-engine.c: New file. Provide generic
1478         implementation of sim_engine_halt, sim_engine_error. et.al.
1479
1480         * sim-base.h (sim_state_base): Add member halt.
1481         (sim-engine.h): Include.
1482
1483         * sim-events.h (sim_event_handler): Always pass SIM_DESC to event
1484         handlers.
1485         * sim-events.c (sim_events_poll): Update event handler.
1486
1487 Tue May 13 09:57:49 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1488
1489         * sim-events.h, sim-events.c (sim_events_watch_clock): New
1490         function.
1491         (sim_events_watch_sim): New function.
1492         (sim_events_watch_core): New function.
1493         (sim_watch_valid): New function.
1494         (sim_events_preprocess): New function.
1495         (sim_events_process): Process the watchpoints as well as the timer
1496         queue.
1497         (sim_events_tick): Check WORK_PENDING instead of the hold queue.
1498         (sim_events_deschedule): Check all the queues when removing an
1499         event.
1500         (sim_events_init): Ditto for cleaning.
1501
1502 Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1503
1504         * sim-fpu.c (is_ufpu_number): Comment out - currently unused.
1505
1506 Mon May 19 11:23:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1507
1508         * callback.c (os_open): Type of arg flags is int.
1509
1510 Fri May 16 22:26:43 1997  Michael Meissner  <meissner@cygnus.com>
1511
1512         * sim-fpu.c (sim_fpu_is_{eq,ne,lt,le,gt,ge}): Compare Infinities
1513         just like normal numbers as per IEEE rules.
1514
1515 Wed May 14 21:20:38 1997  Bob Manson  <manson@charmed.cygnus.com>
1516
1517         * callback.c (os_close): Mark the descriptor as being
1518         available if the close succeeded.
1519         (os_open): Pass 0644 as the mode of the file being created.
1520
1521 Thu May 15 10:58:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1522
1523         * sim-fpu.c (pack_fpu, unpack_fpu): New functions - decode a
1524         float.
1525
1526         * sim-inline.c (SIM_INLINE_C): Rename from _SIM_INLINE_C_.
1527         * sim-lnline.h: Update.
1528
1529         * sim-fpu.h, sim-fpu.c (sim_fpu_[iu]{32,64}to): New int2fp
1530         conversion functions.
1531         (sim_fpu_to{32,64}[iu]): New fp2int functions.
1532
1533         * sim-fpu.h, sim-fpu.c (sim_fpu_is_{lt,le,eq,ne,ge,gt}): New fp
1534         compare functions.  Replacing.
1535         (sim_fpu_cmp): This. Delete.
1536
1537 Mon May 12 14:49:05 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1538
1539         * sim-core.c (sim_core_find_mapping): Call engine_error not
1540         sim_io_error when possible.
1541
1542 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1543
1544         * sim-endian.h (V1_H2): Add macro's to insert a word into a
1545         high/low double word.
1546
1547         * sim-trace.h: Remove definition of attribute - defined in
1548         sim_basics.h.
1549
1550 Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1551
1552         * sim-options.h (struct OPTION): Add doc_opt as the documenting
1553         name of the option - or family of options.
1554
1555         * sim-options.c (sim_args_command): Match command `a-b c' with
1556         option `--a-b-c' from option table.
1557
1558 Thu May  8 12:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1559
1560         * sim-options.c (sim_print_help): For optional arguments, wrap
1561         them in [].
1562
1563         * sim-trace.c (set_trace_options): New function, handle optional
1564         argument and multiple assignment.
1565         (trace_option_handler): Update.
1566
1567         * sim-trace.c (trace_option_handler): Trace branch and not fpu
1568         when branch tracing selected.
1569
1570 Wed May  7 15:19:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1571
1572         * sim-trace.c (trace_one_insn): Make a va-args function.
1573
1574         * sim-trace.c (trace_vprintf): New function, va-arg version of
1575         trace_printf.
1576
1577 Tue May  6 16:38:16 1997  Doug Evans  <dje@canuck.cygnus.com>
1578
1579         * sim-trace.c (trace_uninstall): Don't close a file twice.
1580         * sim-profile.c (profile_uninstall): Likewise.
1581
1582 Tue May  6 06:14:01 1997  Mike Meissner  <meissner@cygnus.com>
1583
1584         * sim-trace.c (toplevel): Include bfd.h.
1585         (trace_options): Note that --trace-linenum also turns on
1586         --trace-insn.  Add --trace-{branch,semantics}.
1587         (trace_option_handler): If --trace-linenum, also turn on
1588         --trace-insn.  Add --trace-branch support.  If --trace-semantics,
1589         turn on ALU, FPU, branch, and memory tracing.
1590         (trace_one_insn): New function to trace an instruction.  Support
1591         --trace-linenum.
1592         (OPTION_TRACE_*): Use an enum, rather than lots of defines.
1593
1594         * sim-trace.h (TRACE_{SEMANTICS,BRANCH}_IDX): Add new macros.
1595         (MAX_TRACE_VALUES): Use 32, not 12 by default.
1596         (TRACE_branch): Add new mask.
1597         (TRACE_*_P): Define all possible trace_p macros.
1598         (trace_one_insn): Declare function.
1599
1600 Mon May  5 14:08:34 1997  Mike Meissner  <meissner@cygnus.com>
1601
1602         * sim-trace.h (__attribute__): Define as nothing if not GNU C or
1603         GNU C doesn't support __attributes__.
1604         ({trace,debug}_printf): Add attribute's so -Wformat can check the
1605         format strings.
1606
1607 Mon May  5 11:16:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1608
1609         * sim-config.h (FORCED_ALIGNMENT): New alignment option -
1610         addresses are masked forcing them to be correctly aligned.
1611         (WITH_ALIGNMENT): Make NONSTRICT_ALIGNMENT the default.
1612         * sim-config.c (config_alignment_to_a): Update.
1613
1614         * sim-core.h (sim_cpu_core): New data type contains cpu specific
1615         core data.
1616         * sim-base.h (CPU_CORE): Add cpu specific core data to cpu base
1617         type.
1618         * sim-core.c (sim_core_attach): Add CPU argument.  Ready for
1619         processor specific core maps.
1620         (sim_core_map_attach): Copy the core map data to each of the
1621         processor specific core data structures.
1622         * sim-core.c (sim_core_find_mapping): Update.
1623
1624         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Rename.
1625         (sim_core_write_aligned_N, sim_core_write_aligned_N): New names.
1626         (sim_core_write_unaligned_N, sim_core_write_unaligned_N): New
1627         alternatives that handle unaligned addresses.
1628         (sim_core_{read,write}_{,un}aligned_N): Drop SIM_DESC arg, replace
1629         with just CPU arg.
1630         * cgen-utils.c (sim_disassemble_insn): Update.
1631
1632 Mon May  5 13:19:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1633
1634         * sim-trace.h (TRACE_FPU_IDX): Add Floating-point specific
1635         tracing.
1636
1637         * sim-fpu.h, sim-fpu.c: New files - prototype for generic target
1638         fpu support.
1639
1640         * sim-inline.h, sim-inline.c: Add support for SIM_FPU.
1641
1642 Fri May  2 17:59:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1643
1644         * sim-core.c (sim_core_map_to_str): New function ascii equivalent
1645         to map type.
1646
1647         * sim-n-core.h (sim_core_read_N, sim_core_write_N): Use in trace
1648         statement.
1649
1650 Fri May  2 17:28:02 1997  Andrew Cagney  <cagney@b2.cygnus.com>
1651
1652         * cgen-trace.c: Prepend additional trace_printf argument.
1653
1654         * cgen-utils.c (sim_disassemble_insn): Add additional core
1655         arguments.
1656
1657 Fri May  2 11:40:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1658
1659         * nrun.c (main): Catch/report errorenous simulator states.
1660
1661         * sim-module.c: #include "libiberty.h" so that xmalloc is defined.
1662         * sim-trace.c: #include string.h/strings.h so that memset is
1663         defined.
1664         * sim-utils.c: Ditto.
1665         * sim-profile.c: Ditto. And stdlib.h.
1666         (print_bar): Only define when used by instruction or memory profiler.
1667
1668         * sim-options.c (standard_option_handler): Make ul more local.
1669
1670         * sim-load.c (sim_load_file): Make the name constant.
1671         (sim_load_file): Passify gcc.
1672
1673         * sim-utils.h: New file, pre-declare utilites in corresponding .c
1674         file.
1675         * sim-utils.c, sim-load.c: Include sim-utils.h.
1676
1677         * sim-base.h (sim_cpu): Pre define here so available to all.
1678
1679         * sim-core.h (DECLARE_SIM_CORE_WRITE_N, DECLARE_SIM_CORE_READ_N):
1680         Restore the sim_cpu and instruction_address arguments so that full
1681         information is available to the abort function.
1682         * sim-core.c (sim_core_find_mapping, sim_core_write_buffer): Ditto.
1683         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1684
1685         * sim-trace.h, sim-trace.c (trace_option_handler): Add interim
1686         tracing support for sim-events and sim-core.
1687         (trace_option_handler): Convert #if to if where possible so always
1688         compiled/checked by C compiler.
1689         * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1690
1691         * sim-base.h: Adjust comment documenting how to define the cpu
1692         structure.
1693         (sim_state_base): Add sim_core and sim_events to simulator base
1694         object.
1695
1696         * sim-trace.h, sim-trace.c (trace_printf): Add SIM_DESC argument.
1697         * sim-core.c (sim_core_init, sim_core_attach,
1698         sim_core_find_mapping): Update.
1699         * sim-events.c (ETRACE, sim_events_init, sim_events_time,
1700         update_time_from_event, insert_sim_event,
1701         sim_events_schedule_after_signal, sim_events_deschedule,
1702         sim_events_tick): Ditto.
1703
1704         * sim-basics.h (sim-module.h, sim-trace.h, sim-profile.h,
1705         sim-model.h): Move #includes from here.
1706         * sim-base.h: To here.
1707         (sim-core.h, sim-events.h, sim-io.h): Include also
1708
1709 Wed Apr 30 15:37:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1710
1711         * callback.c (default_callback): Missing initialisers.
1712
1713 Thu May  1 10:40:47 1997  Doug Evans  <dje@canuck.cygnus.com>
1714
1715         * sim-utils.c (sim_add_commas): New function.
1716         * sim-basics.h (sim_add_commas): Add prototype.
1717         * cgen-scache.c (scache_print_profile): Print commas in numbers.
1718         * sim-profile.c (COMMAS): New macro.
1719         (print_*): Use it to print commas in numbers.
1720
1721         * configure: Regenerated.
1722
1723         * cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
1724         (cgen_state): New member run_fast_p.
1725         (cgen_init): Add prototype.
1726         (sim_disassemble_insn): New arg `cpu'.
1727         * cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
1728         * cgen-utils.c (cgen_init): New function.
1729         (sim_disassemble_insn): New arg `cpu'.  Rewrite fetching of insn.
1730         * genmloop.sh: Call engine_halt if loop exits.
1731
1732         * Makefile.in (sim-options_h): Define.
1733         (sim-{module,options,trace,profile,utils}.o): Clean up dependencies.
1734         (sim-model.o): Add new rule.
1735         (cgen-{scache,trace,utils}.o): Add new rules.
1736         * aclocal.m4 (SIM_AC_OPTION_{SCACHE,DEFAULT_MODEL}): Add.
1737         * cgen-scache.c (scache_print_profile): Change `sd' arg to `cpu'.
1738         Indent output by 2 spaces.
1739         * cgen-scache.h (scache_print_profile): Update.
1740         * cgen-trace.c (trace_insn_fini): Indent output by 2 spaces.
1741         Use trace_printf, not fprintf.
1742         (trace_extract): Use trace_printf, not cgen_trace_printf.
1743         * genmloop.sh (!FAST case): Increment `insn_count'.
1744         * sim-base.h (sim_state_base): Only include scache_size if WITH_SCACHE.
1745         (sim_cpu_base): Rename member `sd' to `state' to be consistent with
1746         access macro's name.
1747         * sim-core.c (sim_core_init): Use EXTERN_SIM_CORE to define it.
1748         Change return type to SIM_RC.
1749         (sim_core_{install,uninstall}): New functions.
1750         * sim-core.h (sim_core_{install,uninstall}): Declare.
1751         (sim_core_init): Use EXTERN_SIM_CORE to define it.
1752         Change return type to SIM_RC.
1753         * sim-model.h (models,machs,model_install): Declare.
1754         * sim-module.c (modules): Add scache_install, model_install.
1755         (sim_post_argv_init): Set cpu->state backlinks.
1756         * sim-options.c (standard_options): Delete --simcache-size,--max-insns.
1757         (standard_option_handler): Likewise.
1758         * sim-profile.c (PROFILE_{HISTOGRAM,LABEL}_WIDTH): Move to
1759         sim-profile.h.
1760         (*): Assume ANSI C.
1761         (profile_options): Delete --profile-simcache.
1762         (profile_option_handler): Likewise.
1763         (profile_print_insn): Change `sd' arg to `cpu'.  Indent output 2
1764         spaces.
1765         (profile_print_{memory,model}): Likewise.
1766         (profile_print_simcache): Delete.
1767         (profile_print_speed): New function.
1768         (profile_print): Rewrite.
1769         * sim-profile.h (PROFILE_scache): Renamed from PROFILE_simcache.
1770         (WITH_PROFILE_SCACHE_P): Renamed from WITH_PROFILE_SIMCACHE_P.
1771         (PROFILE_DATA): Delete members simcache_{hits,misses}.
1772         (PROFILE_COUNT_SIMCACHE_{HIT,MISS}): Delete.
1773         (PROFILE_{CALLBACK,CPU_CALLBACK}): New types.
1774         (profile_print): Update prototype.
1775
1776 Wed Apr 30 11:34:14 1997  Doug Evans  <dje@canuck.cygnus.com>
1777
1778         * cgen-scache.[ch], cgen-sim.h: New files.
1779         * cgen-trace.[ch], cgen-types.h, cgen-utils.c, genmloop.sh: New files.
1780         * sim-model.c: New file.
1781
1782         * Make-common.in (clean targets): Undo patch of Apr. 22.
1783
1784 Fri Apr 25 15:28:32 1997  Mike Meissner  <meissner@cygnus.com>
1785
1786         * sim-n-bits.h (signed): If we have a standard compiler, undef
1787         signed, so that signedN is defined correctly.
1788
1789 Thu Apr 24 00:00:07 1997  Doug Evans  <dje@canuck.cygnus.com>
1790
1791         * sim-module.h, sim-model.h, sim-profile.h: New files.
1792         * sim-module.c, sim-profile.c: New files.
1793         * Make-common.in (SIM_PROFILE): Define
1794         (CONFIG_CFLAGS): Add $(SIM_PROFILE).
1795         (sim_main_headers): Add sim-module.h, sim-model.h, sim-profile.h.
1796         (sim_module.o,sim-profile.o): Add rules for.
1797         * aclocal.m4 (--enable-sim-trace): Allow symbolic arguments.
1798         (--enable-sim-profile): Add.
1799         * configure: Regenerated.
1800         * sim-base.h (sim_state_base): New members init_list, uninstall_list,
1801         model.  Move trace and profile support to sim-{trace,profile}.h.
1802         New members trace_data, profile_data.
1803         * sim-basics.h: #include sim-module.h, sim-model.h, sim-profile.h.
1804         * sim-config.h: Provide default definition of WITH_PROFILE.
1805         (WITH_TRACE): Change default to -1.
1806         (MAX_NR_PROCESSORS): Always define.
1807         * sim-options.c: Move trace and profile support to
1808         sim-{trace,profile}.h.
1809         (sim_pre_argv_init): Moved to sim-model.c.
1810         (standard_install): New function.
1811         * sim-options.h (sim_pre_argv_init): Move decl to sim-model.c.
1812         (standard_install): Declare.
1813         * sim-trace.c: Tracing option handling moved here from sim-options.c.
1814         (trace_install, trace_uninstall): New functions.
1815         (trace_printf): Update reference to TRACE_FILE.
1816         * sim-trace.h (TRACE_FOO_IDX): Moved here from sim-base.h.
1817         (TRACE_foo): Bit masks for symbolic arguments to --enable-sim-trace.
1818         (WITH_TRACE_FOO_P): Define.
1819         (trace_install): Declare.
1820         (TRACE_DATA): New struct.
1821
1822 Wed Apr 23 17:23:15 1997  Doug Evans  <dje@canuck.cygnus.com>
1823
1824         * run.c: Undo last exec_bfd patch.
1825         (main): Only pass -E ifdef SIM_HAVE_BIENDIAN.
1826
1827 Wed Apr 23 17:54:27 1997  Mike Meissner  <meissner@cygnus.com>
1828
1829         * run.c (exec_bfd): Add back in.
1830         (main): Set exec_bfd.
1831
1832 Tue Apr 22 14:43:46 1997  Doug Evans  <dje@canuck.cygnus.com>
1833
1834         * sim-load.c (sim_load_file): #include <stdio.h> for NULL.
1835
1836 Wed Apr 23 02:55:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1837
1838         * sim-events.c (insert_sim_event): Call sim_io_error instead of
1839         less well defined engine_error.
1840         * sim-core.c: Ditto.
1841
1842 Tue Apr 22 08:48:16 1997  Stu Grossman  (grossman@critters.cygnus.com)
1843
1844         * Make-common.in:  Change clean targets to use :: so that other
1845         Makefiles can have their own clean targets.
1846         * sim-load.c (xprintf eprintf):  Use ANSI_PROTOTYPES instead of
1847         __STDC__ to control use of stdarg vs. varargs syntax.  Some
1848         systems can't use __STDC__, but require stdarg.
1849
1850 Fri Apr 18 11:14:43 1997  Doug Evans  <dje@canuck.cygnus.com>
1851
1852         * sim-options.c (standard_options): Add --endian.
1853         (standard_option_handler): Likewise.
1854
1855         * nrun.c: #include <signal.h>.
1856         (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1857         handler that calls sim_stop ().
1858
1859 Fri Apr 18 13:11:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1860
1861         * run.c (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1862         handler that calls sim_stop ().  Simulators may still be
1863         establishing their own handler.
1864
1865         * sim-events.c (sim_events_poll): Rename from
1866         sim_events_at_large_int.  Poll IO.
1867
1868         * sim-io.c (sim_io_poll_quit): New function - pass on a polling
1869         request.
1870
1871         * callback.c (os_poll_quit): New function poll for quit signal
1872         where needed.
1873         (default_callback): Include magic number.
1874
1875 Thu Apr 17 02:25:11 1997  Doug Evans  <dje@canuck.cygnus.com>
1876
1877         * aclocal.m4: Check for headers time.h, sys/time.h, sys/resource.h.
1878         Check for functions getrusage, time.
1879         * sim-basics.h (SIM_ELAPSED_TIME): New typedef.
1880         (sim_elapsed_time_get, sim_elapsed_time_since): Add prototypes.
1881         * sim-utils.c: #include time.h, sys/time.h, sys/resource.h if able.
1882         (sim_elapsed_time_get, sim_elapsed_time_since): New functions.
1883
1884         * sim-utils.c (sim_copy_argv, sim_analyze_program): New functions.
1885
1886         * sim-options.c, sim-options.h: New files.
1887         * sim-config.h (WITH_DEBUG): Provide default value of zero.
1888         * Make-common.in (nrun.o): Add rules for.
1889         * nrun.c: New file.
1890
1891         * run.c (main): Check return value of sim_open.
1892
1893         * Make-common.in (sim-options.o, sim-load.o, sim-trace.o): Add rules.
1894         (sim_main_headers): Add sim-trace.h.
1895         * run.c (exec_bfd, target_byte_order): Delete.
1896         (main): Pass -E <endian> to sim_open.  Delete code to load sections,
1897         call sim_load instead.  Check return code of sim_create_inferior.
1898         * sim-base.h (CURRENT_STATE): Define.
1899         (sim_state_base): Make typedef.  New members options, prog_argv,
1900         prog_bfd, text_{section,start,end}, start_addr, simcache_size,
1901         mem_size, memory [+ corresponding access macros].
1902         (sim_cpu_base): New typedef.
1903         * sim-trace.h: New file.
1904         * sim-trace.c: New file.
1905         * sim-basics.h: #include it.
1906         * sim-load.c: New file.
1907
1908 Tue Apr 15 15:10:13 1997  Ian Lance Taylor  <ian@cygnus.com>
1909
1910         * Make-common.in (INSTALL): Set to @INSTALL@.
1911         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1912         (install-common): Depend upon installdirs.  Use
1913         $(program_transform_name) directly, rather than using
1914         $(INSTALL_XFORM).
1915         (installdirs): New target.
1916         * Makefile.in (INSTALL): Set to @INSTALL@.
1917         (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1918         (install-man): Depend upon installdirs.  Use
1919         $(program_transform_name) directly, rather than using
1920         $(INSTALL_XFORM).
1921         (installdirs): New target.
1922
1923 Tue Apr 15 15:08:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1924
1925         * sim-assert.h (SIM_ASSERT, ASSERT): Allow these macros to
1926         be overriden.
1927
1928 Wed Apr  9 16:06:44 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1929
1930         * sim-basics.h: Only bring in config.h and tconfig.h if
1931         HAVE_CONFIG_H.
1932
1933 Mon Apr  7 11:39:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1934
1935         * sim-config.h (WITH_TARGET_WORD_MSB): New Macro. Define the bit
1936         numbering convention of the target.
1937         * sim-config.c (print_sim_config): Print WITH_TARGET_WORD_BITSIZE
1938         and WITH_TARGET_WORD_MSB.
1939         (sim_config): When possible, check for consistency with bitsize
1940         and msb.
1941
1942         * sim-bits.h: Allow MSB to be other than zero.
1943         * sim-bits.c: Ditto.
1944         * sim-n-bits.h: Ditto.
1945
1946         * sim-bits.h (MSMASK*): New macros - converce to LSMASK*.
1947         * sim-n-bits.h (MSMASKEDn): Ditto.
1948
1949 Mon Apr 14 16:29:21 1997  Ian Lance Taylor  <ian@cygnus.com>
1950
1951         * Makefile.in (INSTALL): Change install.sh to install-sh.
1952
1953 Mon Apr  7 10:46:38 1997  Doug Evans  <dje@canuck.cygnus.com>
1954
1955         * sim-base.h (sim_state_base): Move `magic' to end of struct.
1956
1957 Mon Apr  7 15:53:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1958
1959         * run.c (main): Check that a program to run was specified.
1960
1961 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1962
1963         * aclocal.m4 (AC_TYPE_SIGNAL): Add check.
1964
1965         * configure: Regenerated to track ../common/aclocal.m4 changes.
1966         * config.in: Ditto.
1967
1968 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
1969
1970         * sim-endian.h: Move host {LITTLE,BIG}_ENDIAN support from here,
1971         * sim-config.h: To here.
1972
1973         * Make-common.in (SIM_EXTRA_DEPS): New config var.
1974         (sim_main_headers): Define.
1975         (sim-*.o): Depend on $(SIM_EXTRA_DEPS).
1976         (BUILT_SRC_FROM_COMMON): Move here from ../d30v/Makefile.in.
1977         (clean): Use it.
1978         (sim-utils.o): Add rule for.
1979         * sim-utils.o: New file.
1980         * sim-basics.h: #include sim-base.h.
1981         (zalloc): Make argument unsigned long.
1982         * sim-base.h: New file.
1983         * sim-inline.h (SIM_IO support): Delete.
1984         * sim-io.h: Delete inline support.
1985         * sim-io.c: Likewise.  sim-state.h renamed to sim-main.h.
1986         * sim-config.c: sim-state.h renamed to sim-main.h.
1987         * sim-core.c: Likewise.
1988         * sim-events.c: Likewise.
1989
1990         * run.c (main): Pass SIM_OPEN_STANDALONE to sim_open.
1991
1992         * aclocal.m4: Check for stdlib.h, string.h, strings.h, unistd.h.
1993         (sim-debug): Allow arguments.  Define WITH_DEBUG in addition to
1994         -DDEBUG.
1995         * configure: Regenerated to track ../common/aclocal.m4 changes.
1996
1997 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1998
1999         * configure: Regenerated to track ../common/aclocal.m4 changes.
2000
2001 Wed Apr  2 11:08:11 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2002
2003         * sim-config.h (WITH_ALIGNMENT, WITH_FLOATING_POINT,
2004         WITH_XOR_ENDIAN, WITH_SMP, WITH_RESERVED_BITS): Assume that these
2005         are defined by the configure.
2006
2007         * aclocal.m4 (sim-stdio): Add option stdio from ../ppc configure.
2008
2009         * aclocal.m4 (floating-point, xor-endian, alignment, smp,
2010         reserved-bits): Always define.
2011
2012         * sim-config.h, sim-config.c (sim_config): New function - and new
2013         file - co-ordinate the setting/checking of the common simulator
2014         configuration options.
2015
2016         * Make-common.in (sim-config.o): Add rule.
2017
2018 Fri Mar 28 15:32:00 1997  Mike Meissner  <meissner@cygnus.com>
2019
2020         * callback.c (os_{,e}vprintf_filtered): Change stdarg type to
2021         va_list from void *, since va_list might not be a pointer type.
2022
2023 Mon Mar 24 15:27:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2024
2025         * sim-n-endian.h (offset_N): Correct assertion - word and sub word
2026         in wrong order.
2027         (offset_N): Correct computation of LE offset.
2028
2029         * sim-io.c (sim_io_error): Include a new line when reporting
2030         errors.
2031
2032         * sim-assert.h (SIM_FILTER_PATH): Out by one when locating last
2033         `/'.
2034
2035 Thu Mar 20 22:31:06 1997  Jeffrey A Law  (law@cygnus.com)
2036
2037         * run.c: Include alloca-conf.h.
2038
2039         * callback.c (os_evprintf_filtered): Fix typo.
2040
2041 Fri Mar 21 13:36:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2042
2043         * run.c (string.h, strings.h, stdlib.h): Include.
2044
2045         * sim-events.c (sim_events_tick): Recent cleanup failed to return
2046         0 when nothing pending.
2047
2048         * run.c (sim_size, sim_trace): Plicate GCC - these two functions
2049         will soon be going away.
2050         (getopt): Plicate GCC.
2051
2052         * sim-endian.c (sim-io.h): Plicate GCC.
2053         * sim-bits.c (sim-io.h): Ditto.
2054         * sim-n-bits.h (ROTn): Ditto.
2055
2056         * sim-io.c (sim_io_error): Correct check for NULL.
2057
2058         * sim-assert.h (SIM_FILTER_PATH): Separate out the code filtering
2059         the __FILE__.
2060         * sim-events.c: Use SIM_FILTER_PATH to filter out the filename
2061         path.
2062
2063 Wed Mar 19 01:12:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2064
2065         * aclocal.m4 (SIM_AC_OPTION_*: Move so that they are outside of
2066         SIM_AC_COMMON - SIM_AC_COMMON was gobling arguments.
2067
2068 Tue Mar 18 20:48:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2069
2070         * sim-alu.h: Include sim-xcat.h.
2071
2072 Tue Mar 18 13:58:18 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2073
2074         * Make-common.in (sim-bits.c, sim-core.c, sim-endian.c,
2075         sim-events.c, sim-inline.c, sim-io.c): Define rules for building
2076         these.
2077
2078         * sim-events.c (sim_events_at_large_int): New function.  Just
2079         schedules an event every large-int ticks.
2080         (sim_events_init): Call.
2081         (sim_events_tick, sim_events_process): Move async handing to
2082         sim_events_process.  Move timer decrement so that it occures after
2083         events have been processed.
2084
2085         * sim-basics.h (struct _engine): Remove declaration.
2086
2087         * sim-events.h, sim-events.c: Rename type to sim_events.  Prefix
2088         everything with same.  Rename global struct to SIM_DESC.
2089         * sim-core.h, sim-core.c, sim-n-core.c: Ditto for sim_core.
2090         * sim-io.h, sim-io.c: Ditto.
2091
2092         * sim-assert.h: New file. Optional assertion checking macros.
2093         * sim-io.c (sim_io_error): Make just this function tolerant to
2094         null pointers.
2095
2096         * sim-xcat.h: New file. Define concatenate macros.
2097         * sim-basics.h (XCONCAT*): Move to sim-xcat.h.
2098         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Explicitly include
2099         concat macros.
2100
2101
2102 Tue Mar 18 12:44:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2103
2104         * sim-bits.h (LSMASK): New macro. Create mask of LS bits.
2105
2106 Mon Mar 17 18:10:05 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2107
2108         * sim-inline.h: Add definitions for sim-types.
2109         (ALL_BY_MODULE): New macro, encapsulate full inlining by the
2110         module.
2111
2112 Mon Mar 17 15:38:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2113
2114         * sim-events.h: Remove defunct reference to callback struct.
2115
2116 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2117
2118         * configure: Re-generate.
2119
2120 Mon Mar 17 15:04:47 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2121
2122         * Make-common.in (CSEARCH): Do not include the gdb directory in
2123         the search path.
2124
2125 Mon Mar 17 13:16:26 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2126
2127         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
2128         SIM_WARNING): Drop, requiring the simulator specific Makefile.in
2129         to explicitly incorporate these.
2130
2131         * aclocal.m4 (--enable-sim-alignment); New option. Strongly
2132         specify the alignment restrictions of the target architecture -
2133         without this option all alignment restrictions are accomodated.
2134         (--enable-sim-assert): New option.  Conditionally compile in
2135         assertion statements.
2136         (--enable-sim-float): New option. Strongly specify the target's
2137         floating point support.
2138         (--enable-sim-hardware): New option.  Specify the hardware devices
2139         included in the simulation.
2140         (--enable-sim-packages): New option.  Specify the hardware
2141         packages included in the simulation.
2142         (--enable-sim-regparm): New option.  Specify that parameters be
2143         passed in registers instead of on the stack.
2144         (--enable-sim-reserved-bits): New option. Specify that reserved
2145         bits within an instruction are are correctly set.
2146         (--enable-sim-smp): New option. Specify the level of SMP support
2147         to be included in the simulator.
2148         (--enable-sim-stdcall): New option.  Specify an alternative
2149         function call convention.
2150         (--enable-sim-xor-endian): New option.  Configure xor-endian
2151         support used by some targets to implement bi-endian support.
2152
2153 Fri Mar 14 19:51:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2154
2155         * aclocal.m4 (--enable-sim-hostendian): New option.  Allow the
2156         host endianness to be overridden.
2157         (--enable-sim-endian): Allow the target platform's byte order
2158         to be overridden.
2159         (--enable-sim-inline): Control the inlining of common components.
2160         (--enable-sim-bswap): For compatibility, also define WITH_BSWAP.
2161         (--enable-sim-warnings): Enable additional GCC compiler checks.
2162         * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
2163         SIM_WARNINGS): Add.
2164
2165         * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Rename from
2166         sim-*-n.h so that the names are uniq on dos machines
2167         * sim-core.c, sim-bits.c, sim-endian.c: Update.
2168
2169 Thu Mar 13 12:32:42 1997  Doug Evans  <dje@canuck.cygnus.com>
2170
2171         * run.c: #include "libiberty.h".
2172         (main): New locals sd,no_args,sim_argv.
2173         Run buildargv on -a option.  Pass argv to sim_open, argv[0]
2174         is program name.  Update call to sim_set_callbacks.
2175         Record result of sim_open, pass to other sim_foo routines.
2176
2177 Thu Mar 13 10:24:05 1997  Michael Meissner  <meissner@cygnus.com>
2178
2179         * callback.c (os_printf_filtered): Do not call exit(1) or print a
2180         final newline.
2181
2182 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2183
2184         * callback.c: Add os_flush_stdout and vprintf_filtered callbacks.
2185         Route stdout through buffered IO.
2186
2187         * callback.c: Add os_flush_stderr, os_write_stderr,
2188         os_evprintf_filtered functions to route error output through
2189         stderr.
2190
2191         * sim-io.h, sim-io.c (sim_io_flush_stderr, sim_io_flush_stdout):
2192         Correct return type - should be void.
2193
2194 Fri Mar  7 20:14:37 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2195
2196         * sim-basics.h: Clean up.  Many macro's moved to sim-inline.h.
2197
2198         * sim-config.h: Ditto.  For some options - eg WITH_DEVICES - do
2199         not provide a default value as undefined indicates disable code.
2200
2201 Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2202
2203         * sim-core.h, sim-core-n.h, sim-core.c: Borrow code from ppc
2204         directory.
2205         * sim-events.h, sim-events.c: Ditto.
2206         * sim-io.h, sim-io.c: Ditto.
2207
2208 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2209
2210         * sim-alu.h (ALU_SUB_CA, ALU*_SUB_CA): New alu operation.
2211
2212         * sim-bits.h, sim-bits-n.h, sim-bits.c (LSMASKED*): New macro's
2213         extract the tail or least signifiant bits from an integer of the
2214         specified size.
2215
2216         * sim-bits.h, sim-bits.c: Clean up conditionally compiled #if
2217         WITH_TARGET_BITSIZE so that the compilation will fail when an
2218         unsupported bitsize value is defined.
2219
2220         (INSERTED*): Convert to functions.
2221         (EXTRACTED*): Ditto.
2222
2223         (SIGN_EXTEND, SEXT): Change to more terse name.
2224
2225 Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2226
2227         * sim-inline.h: Allow explicit control over which .c files will be
2228         included by their header.
2229
2230         * sim-inline.h: Allow explicit control over which .c files use the
2231         alternative - REGPARM - parameter passing mechanism.
2232
2233         * sim-inline.h, sim-inline.c: Don't attempt to include any of
2234         icache.c, idecode.c, semantics.c or support.c.  Those names are
2235         not generally applicable.
2236
2237 Thu Feb 27 10:17:23 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2238
2239         * sim-bits.c, sim-bits-n.h (new): Split sim-bits.c into two parts
2240         in a fashion similar to sim-endian-n.
2241
2242         * sim-endian.h: (H_word, L_word, AL_*, VL_*): Extend to include
2243         both value and address macro's.
2244
2245 Tue Feb 25 18:51:57 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
2246
2247         * sim-alu.h (ALU16_BEGIN, ALU16_SET, ...): Fill in.
2248
2249         * sim-endian.h (L_word, H_word): Replace MS2W_4, LS2W_4 with more
2250         generic L_word, H_word macro's.
2251
2252 Thu Feb 20 18:36:55 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2253
2254         * sim-basics.h: Borrow code from ppc directory.
2255         * sim-bits.c: Ditto.
2256         * sim-bits.h: Ditto.
2257         * sim-config.h: Ditto.
2258         * sim-endian-n.h: Ditto.
2259         * sim-endian.c: Ditto.
2260         * sim-endian.h: Ditto.
2261         * sim-inline.c: Ditto.
2262         * sim-inline.h: Ditto.
2263         * sim-types.h: Ditto.
2264
2265 Wed Feb 19 12:40:50 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2266
2267         * sim-alu.h (ALU_SET16, ALU_SET32, ALU_SET64, etc): Make available
2268         all the ALU size alternatives and then auto-configure a default.
2269
2270         * sim-alu.h: Copy ppc/idecode_expression.h.
2271
2272 Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>
2273
2274         * bits.h, bits.c (SIGN_EXTEND32, SIGN_EXTEND64): New functions,
2275         sign extend a bit within a value.
2276
2277         * sim-endian.h, sim-endian-n.h (offset_N): New functions - return
2278         a pointer into the middle of a host word.
2279         * sim-endian.h (MS2W_4, LS2W_4): Use this function.
2280
2281 Tue Feb 11 13:46:49 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
2282
2283         * callback.c: If HAVE_CONFIG_H is defined, include config.h from
2284         autoconf.  If HAVE_UNISTD_H is defined, include unistd.h to get
2285         appropriate definitions of read, write, etc.  Add prototype for
2286         system.
2287
2288 Tue Feb  4 13:24:44 1997  Doug Evans  <dje@canuck.cygnus.com>
2289
2290         * Makefile.in (libcommon.a): Delete.
2291         (callback.o,targ-map.o): Delete, moved to Make-common.in.
2292         (gentmap,targ-vals.h,targ-map.c): Likewise.
2293         (run-autoconf): Delete.
2294         * aclocal.m4 (SIM_AC_OUTPUT): Redo creation of Makefile.
2295         (common makefile fragment): Moved back into ...
2296         * Make-common.in: Resurrect.
2297         * configure.in (AC_LINK_FILES): Delete, unnecessary now.
2298         * configure: Regenerated.
2299
2300 Fri Jan 31 07:16:49 1997  Doug Evans  <dje@canuck.cygnus.com>
2301
2302         * aclocal.m4 (SIM_AC_COMMON): Move COMMON_MAKEFILE_FRAG from here.
2303         (SIM_AC_OUTPUT): To here.
2304
2305 Fri Jan 24 10:37:17 1997  Stu Grossman  (grossman@critters.cygnus.com)
2306
2307         * aclocal.m4 (COMMON_MAKEFILE_FRAG):  Quote a couple of $'s in
2308         comments and single quotes.  Fixes a problem found on hpux.
2309
2310 Thu Jan 23 13:35:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
2311
2312         * aclocal.m4:  Remove Make-common.in from dependencies.
2313         * (distclean):  Remove targ-vals.def.
2314
2315         * aclocal.m4 (SIM_AC_COMMON):  Move contents of Make-common.in
2316         into here.  Makes insertion into makefiles easier.  Also, change
2317         the way that callback.o, gentmap, targ-vals.h, targ-map.c,
2318         targ-map.o, and run are built.  They are now built in the
2319         individual simulator directories, taking sources from ../common as
2320         necessary.  This replaces the merging of libcommon.a into
2321         linsim.a, which was problematic for the WinGDB build process.
2322         * run.c:  Include config.h from . instead of ../common.
2323         * Make-common.in:  Remove.  It's no longer necessary.
2324
2325 Mon Dec 16 15:02:33 1996  Ian Lance Taylor  <ian@cygnus.com>
2326
2327         * Make-common.in (ALL_CLAGS): Put CFLAGS at the end.
2328         (.c.o): Put $(ALL_CFLAGS) before the file being compiled.
2329
2330 Wed Dec 11 11:30:58 1996  Jim Wilson  <wilson@cygnus.com>
2331
2332         * run.c (main): Set target_byte_order before call to sim_open.
2333
2334 Sun Dec  8 18:22:06 1996  Doug Evans  <dje@canuck.cygnus.com>
2335
2336         * callback.c: #include <stdlib.h>
2337         (os_error): New function.
2338         (default_callback): Add os_error.
2339
2340 Mon Nov 25 19:44:35 1996  Doug Evans  <dje@canuck.cygnus.com>
2341
2342         * Make-common.in (Makefile): Set CONFIG_HEADERS="".
2343         * aclocal.m4: Mark the fact that --enable-sim-bswap isn't host
2344         specific.
2345         (SIM_AC_OUTPUT): Don't build Makefile if CONFIG_FILES="".
2346
2347 Wed Nov 20 01:11:04 1996  Doug Evans  <dje@canuck.cygnus.com>
2348
2349         * run.c: #include ../common/config.h, tconfig.h.
2350         (myname): New static global.
2351         (main): Recognize new options -a, -c.  Also recognize -h if h8/300.
2352         Only process -c ifdef SIM_HAVE_SIMCACHE.
2353         Only process -p/-s ifdef SIM_HAVE_PROFILE.
2354         Parse program name from argv[0] and use in error messages.
2355         Pass sim_args to sim_open.  Pass prog_args to sim_create_inferior.
2356         Add support for incomplete h8/300 termination indicators.
2357         (usage): Make more verbose.
2358         * aclocal.m4,config.in,tconfig.in,configure.in,configure: New files.
2359         * Makefile.in,Make-common.in,callback.c: New files.
2360         * nltvals.def,gentmap.c,gentvals.sh: New files.
2361
2362 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
2363
2364         * run.c: Include stdarg.h if __STDC__.
2365
2366 Tue Oct 15 11:16:31 1996  Jeffrey A Law  (law@cygnus.com)
2367
2368         * run.c (main): Don't print out anything if the signal
2369         number is zero (ie no signal).
2370
2371 Tue Oct 15 11:20:44 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2372
2373         * run.c (main): Print out if the program raised a signal.
2374
2375 Wed Sep 18 09:52:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2376
2377         * run.c (exec_bfd): Rename from sim_bfd, to use the gdb name.
2378         (main): Ditto.
2379
2380 Tue Sep 17 11:04:50 1996  James G. Smith  <jsmith@cygnus.co.uk>
2381
2382         * run.c (main): Explicitly cast malloc() parameter.
2383
2384 Thu Sep 12 11:27:21 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
2385
2386         * run.c (sim_bfd): New global to hold the bfd pointer for the
2387         executable.
2388         (main): Initialize sim_bfd.
2389
2390 Fri Dec 15 16:27:49 1995  Ian Lance Taylor  <ian@cygnus.com>
2391
2392         * run.c (main): Use new bfd_big_endian macro.
2393
2394 Wed Nov  8 15:49:49 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>
2395
2396         * run.c (main): Removed SH specific comments, so source is
2397         generic. Also updated to only load relevant sections. Moved
2398         sim_open() to after callback attach (to match GDB).
2399
2400         * run.1: Removed SH specific comments.
2401
2402 Sat Oct 21 12:31:01 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
2403
2404         * run.c (main): Always return sigrc at end.
2405
2406 Tue Oct 10 12:03:13 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
2407
2408         * run.c (main): Print error diagnostic and exit if bfd_openr() or
2409         bfd_check_format() fails.
2410
2411 Thu Sep 28 15:40:36 1995  steve chamberlain  <sac@slash.cygnus.com>
2412
2413         * run.c, run.1: From sh directory.
2414
2415