sim/v850/ChangeLog

   1 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
   2
   3         * configure: Regenerated to track ../common/aclocal.m4 changes.
   4         * config.in: Ditto.
   5
   6 Sun Apr 26 15:19:14 1998  Tom Tromey  <tromey@cygnus.com>
   7
   8         * acconfig.h: New file.
   9         * configure.in: Reverted change of Apr 24; use sinclude again.
  10
  11 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
  12
  13         * configure: Regenerated to track ../common/aclocal.m4 changes.
  14         * config.in: Ditto.
  15
  16 Fri Apr 24 11:18:08 1998  Tom Tromey  <tromey@cygnus.com>
  17
  18         * configure.in: Don't call sinclude.
  19
  20 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  21
  22         * configure: Regenerated to track ../common/aclocal.m4 changes.
  23         * sim-main.h (SIM_MAIN_H): Wrap header.
  24
  25 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  26
  27         * configure: Regenerated to track ../common/aclocal.m4 changes.
  28
  29 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  30
  31         * configure: Regenerated to track ../common/aclocal.m4 changes.
  32
  33 Tue Mar 10 15:54:50 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  34
  35         * interp.c (sim_stop): Delete, second attempt.
  36
  37 Thu Feb 26 19:09:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  38
  39         * interp.c (sim_info): Delete.
  40
  41 Wed Feb 18 10:47:32 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  42
  43         * sim-main.h (TRACE_ALU_INPUT*): Delete.  Moved to sim-trace.[hc].
  44
  45         * simops.c (trace_result): Call trace_generic instead of
  46         trace_one_insn.
  47         (trace_module): Change variable type to integer.
  48         (trace_input): Initialize trace_module with TRACE_ALU_IDX.
  49
  50         * sim-main.h (trace_module): Change variable decl to integer type.
  51         (TRACE_BRANCH*, TRACE_LD, TRACE_ST): Update.
  52
  53 Tue Feb 17 12:51:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  54
  55         * interp.c (sim_store_register, sim_fetch_register): Pass in
  56         length parameter.  Return -1.
  57
  58 Tue Feb  3 16:24:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  59
  60         * sim-main.h (IMEM16, IMEM16_IMMED): Rename IMEM and
  61         IMEM_IMMED. To match recent igen change.
  62
  63 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  64
  65         * configure: Regenerated to track ../common/aclocal.m4 changes.
  66
  67 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  68
  69         * configure: Regenerated to track ../common/aclocal.m4 changes.
  70
  71 Fri Jan 30 09:51:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>
  72
  73         * sim-main.h (CPU_CIA): Delete, replaced by.
  74         (CIA_SET, CIA_SET): Define.
  75
  76 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
  77
  78         * configure: Regenerated to track ../common/aclocal.m4 changes.
  79
  80 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  81
  82         * configure: Regenerated to track ../common/aclocal.m4 changes.
  83         * config.in: Ditto.
  84
  85 Fri Dec  5 09:26:08 1997  Nick Clifton  <nickc@cygnus.com>
  86
  87         * v850.igen: Revert break value back to its old value.
  88
  89 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
  90
  91         * configure: Regenerated to track ../common/aclocal.m4 changes.
  92
  93 Wed Dec  3 17:27:19 1997  Nick Clifton  <nickc@cygnus.com>
  94
  95         * v850.igen: Make break have a zero first field, since otherwise
  96         it clashes with the DIVH instruction.
  97
  98 Sat Nov 22 21:32:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  99
 100         * simops.c (OP_10007E0): Rename SIGABRT -> SIM_SIGABRT. Give
 101         sim_stopped instead of sim_signalled.
 102
 103         * v850.igen (BREAK), simops.c (OP_12007E0): Rename SIGTRAP to
 104         SIM_SIGTRAP.
 105         (illegal): Rename SIGILL to SIM_SIGILL.
 106
 107         * sim-main.h, simops.c, interp.c: Do not include signal.h.
 108
 109         * sim-main.h: Include sim-signal.h instead of signal.h.
 110         (SIGTRAP, SIGQUIT): Delete definition.
 111         (SIG_V850_EXIT): Delete definition.
 112
 113 Tue Nov 18 15:33:48 1997  Doug Evans  <devans@canuck.cygnus.com>
 114
 115         * Makefile.in (SIM_OBJS): Use $(SIM_NEW_COMMON_OBJS).
 116
 117 Fri Oct 31 10:33:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 118
 119         * interp.c (sim_open): Check state magic number.
 120         (sim-assert.h): Include.
 121
 122 Tue Oct 28 11:06:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 123
 124         * v850.igen: Add model filter field to records.
 125
 126 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 127
 128         * configure: Regenerated to track ../common/aclocal.m4 changes.
 129
 130 Fri Sep 26 11:56:02 1997  Felix Lee  <flee@cygnus.com>
 131
 132         * sim-main.h: delete null override of SIM_ENGINE_HALT_HOOK and
 133         SIM_ENGINE_RESTART_HOOK.
 134
 135 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 136
 137         * configure: Regenerated to track ../common/aclocal.m4 changes.
 138
 139 Wed Sep 24 17:28:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 140
 141         * sim-main.h (WITH_TARGET_WORD_MSB): Delete.
 142
 143         * configure.in (SIM_AC_OPTION_BITSIZE): Specify 32 bit
 144         architecture with MSB == 31.
 145
 146 Wed Sep 24 14:04:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 147
 148         * v850.igen: Make divh insn with RRRRR==0 breakpoint.
 149
 150 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 151
 152         * configure: Regenerated to track ../common/aclocal.m4 changes.
 153
 154 Tue Sep 23 10:19:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 155
 156         * Makefile.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 157         SIM_HOSTENDIAN, SIM_RESERVED_BITS): Delete, moved to common.
 158         (SIM_EXTRA_CFLAGS): Update.
 159
 160 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 161
 162         * configure: Regenerated to track ../common/aclocal.m4 changes.
 163         * configure.in: Really specify NONSTRICT_ALIGNMENT as the default.
 164
 165 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 166
 167         * configure.in: Specify NONSTRICT_ALIGNMENT as the default.
 168         * configure: Regenerated to track ../common/aclocal.m4 changes.
 169
 170 Fri Sep 19 10:37:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 171
 172         * v850.igen (disp16): Use EXTEND16 to sign extend disp.
 173         (disp22): Only shift left by 1, not 2.
 174         ("jmp"): Ensure PC is 2 byte aligned.
 175
 176         * simops.c, v850.igen: Move "Bcond", "jr", "jarl" code to
 177         v850.igen. Fix tracing.
 178
 179         * simops.c (OP_300, OP_400, OP_500): Move "sdl.b", "sld.h",
 180         "sld.w" insns to v850.igen.  Fix tracing.
 181 start-sanitize-v850e
 182         (OP_70): Ditto for "sld.hu".
 183 end-sanitize-v850e
 184
 185         * v850.igen: Clarify tracing of "sld.b", "sld.h" et.al.
 186
 187         * simops.c (condition_met): Make global.
 188
 189         * sim-main.h (TRACE_ALU_INPUT3, TRACE_BRANCH0, TRACE_LD,
 190         TRACE_ST): Define.
 191 start-sanitize-v850e
 192         (TRACE_LD_NAME): Define.
 193 end-sanitize-v850e
 194
 195 start-sanitize-v850e
 196         * simops.c: Move "cmov", "cmov imm" to v850.igen, fix.
 197
 198 end-sanitize-v850e
 199 Wed Sep 17 16:21:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 200
 201         * simops.c: Move "mov", "reti", to v850.igen, fix tracing.
 202
 203         * interp.c (hash): Delete.
 204
 205         * v850.igen (nop): Really do nothing.
 206
 207         * interp.c (do_interrupt): Mask interrupts after PSW is saved, not
 208         before.
 209         * v850.igen (reti): Return to current PC not previous.
 210
 211 start-sanitize-v850e
 212 Wed Sep 17 14:02:10 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 213
 214         * simops.c: Move "ctret", "bsw", "hsw" to v850.igen, fix tracing.
 215         (trace_module): Global, save component/module name across insn.
 216
 217         * simops.c: Move "bsh" to v850.igen, fix.
 218
 219         * v850.igen (callt): Load correct number of bytes. Fix tracing.
 220         (stsr, ldsr): Correct src, dest fields. Fix tracing.
 221         (ctret): Force alignment.  Fix tracing.
 222
 223 end-sanitize-v850e
 224 Tue Sep 16 22:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 225
 226         * simops.c (trace_output): Add result argument.
 227         (trace_result): New function.  Simpler version of trace_output,
 228         assumes trace needed.
 229         (trace_output): Call trace_result.
 230         (trace_output): For IMM_REG_REG, trace correct register.
 231         (trace_input): Add case for 16bit immediates.
 232         (OP_600, OP_640, OP_680, OP_6C0, OP_6A0): Use.
 233
 234         * sim-main.h (TRACE_ALU_INPUT, TRACE_ALU_RESULT): Define.
 235         (trace_values, trace_name, trace_pc, trace_num_values): Make
 236         global.
 237         (GR, SR): Define.
 238
 239         v850.insn (movea, stsr): Use.
 240 start-sanitize-v850e
 241         (sxb, sxh, zxb, zxh): Ditto.
 242 end-sanitize-v850e
 243
 244 Tue Sep 16 21:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 245
 246         * simops.c: Move "movea" from here.
 247         * v850.igen: To here.
 248
 249         * v850.igen (simm16): Define, sign extend imm16.
 250         (uimm16): Define, no sign extension.
 251         (addi, andi, movea, movhi, mulhi, ori, satsubi, xori): Use.
 252
 253 start-sanitize-v850e
 254         * simops.c: Move "sxh", "switch", "sxb", "callt", "dispose",
 255         "mov32" from here.
 256         * v850.igen: To here.
 257         (switch): Fix off by two error in NIA calc.
 258
 259 end-sanitize-v850e
 260 Tue Sep 16 15:14:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 261
 262         * simops.c (trace_pc, trace_name, trace_values, trace_num_values):
 263         New static globals.
 264         (trace_input): Just save pc, name and values for trace_output.
 265         (trace_output): Write trace values to a buffer.  Use
 266         trace_one_insn to print trace info and buffer.
 267         (SIZE_OPERANDS, SIZE_LOCATION): Delete.
 268
 269 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 270
 271         * sim-main.h (struct _sim_cpu): Add psw_mask so that reserved bits
 272         can be masked out.
 273
 274         * simops.c (OP_2007E0, OP_4007E0): Move "ldsr", "stsr"
 275         instructions from here.
 276         * v850.igen (ldsr, stsr): To here.  Mask out reserved bits when
 277         setting PSW.
 278
 279         * interp.c (sim_open): Set psw_mask if machine known.
 280
 281 Tue Sep 16 10:20:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 282
 283 start-sanitize-v850e
 284         * v850-dc: Add rule to diferentiate between breakpoint and divh.
 285         * v850.igen (break): New instruction, breakpoint simulator.
 286
 287 end-sanitize-v850e
 288         * v850.igen (breakpoint): Enable.  Change to a 32bit instruction.
 289
 290 start-sanitize-v850e
 291 Mon Sep 15 18:44:05 1997  Jim Wilson  <wilson@cygnus.com>
 292
 293         * simops.c (Multiply64): Don't store into register zero.
 294
 295 end-sanitize-v850e
 296 Tue Sep 16 09:02:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 297
 298         * Makefile.in (semantics.o): Add dependency.
 299
 300         * sim-main.h (SAVE_1, SAVE_2): Perform backward compatible save,
 301         do not adjust CIA/NIA.
 302
 303 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 304
 305 start-sanitize-v850e
 306         * simops.c (OP_300, OP_400, OP_70): Make behavour depend on PSW[US].
 307
 308         * simops.c: Move "divun", "sld.bu", "divhn", "divhun", "divn",
 309         "divun", "pushml" code from here to v850.igen.
 310         (divun): Make global.
 311         (type3_regs): Make global
 312
 313         * v850.igen: Move simops.c code to here.
 314
 315         * interp.c (sim_create_inferior): For v850eq set US bit by
 316         default.
 317
 318         * interp.c (sim_open): Don't set arch, now set by
 319         sim_analyze_program.
 320
 321 end-sanitize-v850e
 322         * configure: Regenerated to track ../common/aclocal.m4 changes.
 323
 324 Mon Sep 15 14:39:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 325
 326         * simops.c (op_types): Move from here.
 327         sim-main.h: To here.
 328
 329         * sim-main.h (trace_input, trace_output), simops.c: Make global.
 330
 331         * simops.c (OP_60): Move "jmp" code from here.
 332         * v850.igen (jmp): To here.
 333
 334 start-sanitize-v850e
 335         * simops.c (OP_60): Move "sld.bu" code from here.
 336         * v850.igen (sld.bu): To here.
 337
 338 Fri Sep 12 15:11:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 339
 340         * v850.igen (prepare, ...): Add to v850eq architecture.
 341
 342         * interp.c (sim_open): Default to v850eq.
 343
 344         * interp.c (sim_open): Default to v850e.
 345 end-sanitize-v850e
 346         * sim-main.h (signal.h): Include.
 347
 348         * v850.igen (illegal): Report/halt illegal instructions.
 349
 350         * Makefile.in (SIM_EXTRA_CFLAGS): Add SIM_RESERVED_BITS.
 351
 352         * configure.in: Add reserved bits option.
 353         * configure: Regenerate.
 354
 355 Thu Sep 11 08:40:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 356
 357         * interp.c (sim_open): Use sim_do_commandf instead of asprintf.
 358
 359         * sim-main.h (INSN_NAME):
 360
 361         * Makefile.in (INCLUDE): Add SIM_EXTRA_DEPS.
 362         (SIM_EXTRA_DEPS): Add itable.h
 363         (tmp-gencode): Does not depend on simops.h
 364
 365         * sim-main.h (itable.h): Include.
 366         (MAX_INSNS, INSN_NAME): Define.
 367
 368         * interp.c: Compute inttype from the interrupt_names index that
 369         was passed in.
 370
 371 Wed Sep 10 10:25:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 372
 373         * simops.c (trace_input): Use trace_printf instead of
 374         sim_io_printf.
 375         (trace_output): Ditto.
 376         (trace_input): Only trace when TRACE_ALU_P.  Delete code
 377         disasembling instruction.
 378         (trace_output): Only trace when TRACE_ALU_P.
 379
 380 Tue Sep  9 01:29:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 381
 382         * simops.c (trace_input, trace_output): Use sim_io_printf.
 383         (OP_620): Pass correct argument to trace.
 384         (OP_E607E0): Ditto.
 385         (trace_input): Obtain prog_bfd, text_start et.al from simulator
 386         struct.
 387
 388 Mon Sep  8 21:03:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 389
 390         * v850.igen: New file.
 391         * v850-dc: New file.
 392
 393 Mon Sep  8 18:33:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 394
 395
 396         * sim-main.h (SEXT16): Delete, use EXTEND16.
 397         (SEXT8): Delete, use EXTEND8.
 398         (SEXT32): Delete, used?
 399         (SEXT40, SEXT44, SEXT64): Use UNSIGNED64 for constants, not ...LL.
 400         (WITH_TARGET_WORD_MSB): Define as 31. v850 little bit endian.
 401
 402         * simops.c: Use EXTEND15 from sim-bits instead of SEXT16.
 403
 404         * sim-main.h (DEBUG_TRACE, DEBUG_VALUES, v850_debug): Delete,
 405         replace with TRACE_INSN_P and TRACE_ALU_P.
 406
 407         * simops.c (trace_input, trace_output): Update.
 408
 409         * interp.c (sim_engine_run): Delete.
 410         (lookup_hash): Delete.
 411         (sim_open): Do not fill hash table.
 412         (sim_trace): Delete.
 413
 414 Fri Sep  5 17:04:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 415
 416         * simops.c (OP_FFFF): Use sim_engine_halt.
 417         (OP_12007E0): Ditto.
 418         (OP_10007E0): Ditto.
 419
 420         * sim-main.h (struct sim_cpu): Delete member exception. Using
 421         sim-engine et.al.
 422
 423         * interp.c (sim_info): Do not do anything in sim-info.
 424         (sim_stop): Delete, replace with sim-stop.
 425         (sim_stop_reason): Delete, replace with sim-reason.
 426
 427         * sim-main.h (WITH_WATCHPOINTS): Define.
 428         (WITH_MODULO_MEMORY): Define
 429
 430         * Makefile.in (SIM_OBJS): Add sim-resume, sim-watch, sim-stop,
 431         sim-reason.
 432
 433         * interp.c (enum interrupt_cond_type): Delete.
 434         (struct interrupt_generator): Delete.
 435         (enum interrupt_type): Drop int_none.
 436         (sim_open): Initialize WATCHPOINT module.
 437         (sim_resume, sim_run): Rename sim_resume to sim_run.
 438         (sim_engine_run): Replace interrupt code with call to sim-events.
 439         (sim_set_interrupt): Delete.
 440         (sim_parse_number): Delete.
 441
 442 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 443
 444         * configure: Regenerated to track ../common/aclocal.m4 changes.
 445
 446 Thu Sep  4 18:11:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 447
 448         * simops.c (fetch_argv): New function, fetch a arg vector from
 449         simulator memory.
 450
 451         * configure.in: Check for fork, execve, execv.
 452         * configure: Regenerate.
 453
 454         * interp.c (sim_store_register, sim_fetch_register): Use H2T_4 and
 455         T2H_4 for byte swapping.
 456
 457         * sim-main.h, interp.c (get_word, get_half, get_byte, put_word,
 458         put_half, put_byte): Delete.
 459
 460         * Makefile.in (SIM_OBJS): Add sim-memopt.o module.
 461
 462         * sim-main.h (load_mem, store_mem): Redefine as macros.
 463         (IMEM, IMEM_IMMED): New macros - fetch instructions.
 464
 465         * simops.c (OP_10007E0): For SYS_read, SYS_write, SYS_open
 466         transfer data via a buffer.
 467         (fetch_str): New function, fetch string from memory.
 468
 469         * Makefile.in (SIM_OBJS): Add sim-hrw.o module.
 470
 471         * interp.c (sim_open): Establish memory maps using sim-memopt.c
 472         via sim_do_command.
 473         (sim_do_command): Print error if memory-map command is used. Call
 474         sim_args_command.
 475         (map): Delete, replaced by sim-core.
 476         (sim_memory_init): Delete, replaced by sim-core.
 477         (sim_set_memory_map): Delete, replaced by sim-memopt.
 478         (load_mem): Delete, replaced by sim-core.
 479         (store_mem): Delete, replaced by sim-core.
 480         (sim_write): Delete, replaced by sim-hrw.
 481         (sim_read): Delete, replaced by sim-hrw.
 482
 483         * sim-main.h (struct sim_state): Remove memory members, using
 484         sim-core.c
 485
 486 Wed Sep  3 10:18:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 487
 488         * sim-main.h: Replace SIM_HAVE_FLATMEM with mem ptr.
 489         * interp.c (map): Do not add to a void pointer.
 490
 491         * Makefile.in (INCLUDE): Add sim-main.h
 492
 493         * configure.in: Check for time.h
 494         * configure: Re-generate.
 495
 496         * interp.c (struct interrupt_generator): Make time unsigned long,
 497         address SIM_ADDR.
 498         (sim_resume): Make oldpc SIM_ADDR.
 499         (struct hash_entry): Make mask/opcode unsigned.
 500
 501         * v850_sim.h (struct simops ): Make opcode and mask unsigned.
 502
 503         * simops.c (utime.h): Include if available.
 504         (OP_10007E0): Check for UTIME function.
 505         (divun): Put parentheses around shift argument.
 506         (OP_640): Put parentheses around shift argument, was wrong.
 507         (OP_107F0): Return something.
 508
 509         * interp.c (sim_parse_number): Use strtoul not strtol.
 510         (sim_resume): Use sim_elapsed_time_get to keep track of the time.
 511
 512         * configure.in (SIM_AC_OPTION_WARNINGS): Add.
 513         (SIM_AC_OPTION_ENDIAN): Set to hardwired big.
 514         (SIM_AC_OPTION_HOST_ENDIAN): Add.
 515         (AC_CHECK_FUNCS): Add utime.
 516         (AC_CHECK_HEADERS): Add stdlib.h, string.h, strings.h, utime.h
 517         configure: Regenerate.
 518
 519
 520         * Makefile.in (SIM_RUN_OBJS): Use nrun.o.
 521         (SIM_OBJS): Add sim-io.o, sim-hload.o, sim-utils.o, sim-options.o,
 522         sim-config.o, sim-module.o, sim-events.o, sim-core.o,
 523         sim-endian.o, sim-engine.o, sim-trace.o, sim-profile.o
 524         (SIM_ENDIAN, SIM_WARNGINS): Define.
 525
 526         * simops.c (OP_10007E0): Use sim_io_* for transfers.
 527
 528         * interp.c (sim_resume): Pass sd around.
 529
 530         * simops.c (sim-main.h): Include.
 531
 532         * gencode.c (write_template): Generate #include sim-main.h.
 533         (write_opcodes): Ditto.
 534
 535         * interp.c (prog_bfd, prog_bfd_was_opened_p): Delete.
 536         (v850_callback): Ditto.
 537         (sim_kind, myname): Ditto.
 538         (lookup_hash): Pass SD. Use sim_io_error.
 539         (sim_set_memory_map): Pass in SD, use.
 540         (init_system): Pass in SD, use.
 541         (sim_open): Update.
 542         (sim_set_profile): Delete.
 543         (sim_set_profile_size): Delete.
 544         (do_interrupt): Pass in SD, use.
 545         (sim_info): Use sim_io_printf.
 546         (sim_create_inferior): Reset registers.  Set PC from prog_bfd
 547         argument.
 548         (sim_load): Delete, use common/sim-hload.c
 549         (sim_size): Rename to sim_memory_init.
 550         (sim_write): Remove call to init_system.
 551         (init_system): Delete.
 552         (sim_set_callbacks): Delete.
 553         (sim_set_interrupt): Pass in SD, use.
 554         (start_time): Delete.
 555
 556         * v850_sim.h: Remove everything except `struct simops' from here.
 557         * sim-main.h: Move most to here.
 558         * gencode.c: Move #includes to here.
 559
 560         * sim-main.h(struct _sim_cpu): Rename struct _state.
 561         (#define PC, et.al.): Update
 562         (v850_callback): Delete.  Replaced with SIM_DESC arg.
 563         (int8, uint8, int16, uint16, int32, uint32): Define types using
 564         unsigned8 et.al from common/sim-types.h.
 565         * sim-main.h (State): Define as STATE_CPU.
 566
 567 Mon Sep  1 12:07:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 568
 569         * configure.in: Check for time, chmod.
 570         * configure: Regenerate.
 571         * simops.c (SYS_time, SYS_chmod): Use HAVE_TIME, HAVE_CHMOD.
 572
 573         * simops.c (../../libgloss/v850/sys/syscall.h): Include instead of
 574         sys/syscall.h.
 575         (OP_10007E0): Check the existance each SYS_* macro independantly.
 576
 577         * v850_sim.h (SIGQUIT, SIGTRAP): Only define if missing.
 578
 579 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 580
 581         * configure: Regenerated to track ../common/aclocal.m4 changes.
 582         * config.in: Ditto.
 583
 584 Tue Aug 26 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 585
 586         * interp.c (sim_kill): Delete.
 587         (sim_create_inferior): Add ABFD argument.
 588         (sim_load): Move setting of PC from here.
 589         (sim_create_inferior): To here.
 590
 591 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 592
 593         * configure: Regenerated to track ../common/aclocal.m4 changes.
 594         * config.in: Ditto.
 595
 596 Mon Aug 25 11:31:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 597
 598         * interp.c (sim_open): Add ABFD argument.
 599
 600 start-sanitize-v850e
 601 Fri Aug 22 10:39:28 1997  Nick Clifton  <nickc@cygnus.com>
 602
 603         * simops.c (bsh): Only set CY flag if either of the bottom
 604         bytes is zero.
 605
 606         * simops.c (prepare, dispose): Lower numbered
 607         registers go to higher numbered address.
 608
 609         * simops.c (unsigned divide instructions): S bit set if result has
 610         top bit set.
 611
 612 end-sanitize-v850e
 613         * simops.c (pushml, pushmh, popml, popmh): Lower numbered
 614         registers go to higher numbered address.
 615
 616 Wed Aug 20 13:56:35 1997  Nick Clifton  <nickc@cygnus.com>
 617
 618         * simops.c (OP_107E0, OP_107F0, OP_307E0, OP_307F0): Use correct
 619         interpretation of SR bit in list18 structure.
 620         (divn, divun): New functions to perform N step divide functions.
 621
 622 start-sanitize-v850e
 623 Mon Aug 18 10:59:02 1997  Nick Clifton  <nickc@cygnus.com>
 624
 625         * simops.c (OP_300, OP_400, OP_60, OP_70): Support variant opcodes
 626         with US bit set in the PSW.
 627 end-sanitize-v850e
 628
 629 Wed Aug 13 19:06:55 1997  Nick Clifton  <nickc@cygnus.com>
 630
 631         * interp.c (sim_resume): Opcode functions return amount to be
 632         added to PC and all opcodes take a standard format in the OP[]
 633         array.
 634
 635         (do_format_*): Functions removed.
 636
 637         * v850_sim.h (SP, EP): New register mnemonics.
 638
 639         * gencode.c (write_header): Functions prototypes return an
 640         integer.
 641
 642         * simops.c: Opcode functions return amount to be added to PC.
 643
 644 start-sanitize-v850e
 645         * v850_sim.h (CTPC, CTPSW, CTBP): New register mnemonics.
 646
 647         * simops.c: Add support for v850e instructions.
 648
 649         * simops.c: Add support for v850eq instructions.
 650 end-sanitize-v850e
 651
 652 Tue May 20 10:24:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 653
 654         * interp.c (sim_open): Add callback argument.
 655         (sim_set_callbacks): Delete SIM_DESC argument.
 656
 657 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 658
 659         * configure: Regenerated to track ../common/aclocal.m4 changes.
 660
 661 Wed Apr 23 17:20:16 1997  Doug Evans  <dje@canuck.cygnus.com>
 662
 663         * interp.c (prog_bfd_was_opened_p): New static local.
 664         (prog_bfd): New global variable.
 665         (sim_open): Undo patch to add -E support.
 666         (sim_close): Close prog_bfd if sim_load opened it.
 667         (sim_load): Record bfd of loaded file in prog_bfd.
 668         * simops.c (prog_bfd): Renamed from exec_bfd.
 669
 670 Fri Apr 18 14:17:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 671
 672         * interp.c (sim_stop): Stub function.
 673
 674 Thu Apr 17 03:53:18 1997  Doug Evans  <dje@canuck.cygnus.com>
 675
 676         * Makefile.in (SIM_OBJS): Add sim-load.o.
 677         * interp.c (sim_kind, myname): New static locals.
 678         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 679         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
 680         load file into simulator.  Set start address from bfd.
 681         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 682
 683 Wed Apr 16 19:53:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 684
 685         * simops.c (OP_10007E0): Only provide system calls SYS_execv,
 686         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 687
 688 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 689
 690         * configure: Regenerated to track ../common/aclocal.m4 changes.
 691         * config.in: Ditto.
 692
 693 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 694
 695         * interp.c (sim_open): New arg `kind'.
 696
 697         * configure: Regenerated to track ../common/aclocal.m4 changes.
 698
 699 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 700
 701         * configure: Regenerated to track ../common/aclocal.m4 changes.
 702
 703 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 704
 705         * configure: Regenerated to track ../common/aclocal.m4 changes.
 706
 707 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 708
 709         * configure: Re-generate.
 710
 711 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 712
 713         * configure: Regenerate to track ../common/aclocal.m4 changes.
 714
 715 Thu Mar 13 13:00:54 1997  Doug Evans  <dje@canuck.cygnus.com>
 716
 717         * interp.c (sim_open): New SIM_DESC result.  Argument is now
 718         in argv form.
 719         (other sim_*): New SIM_DESC argument.
 720
 721 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 722
 723         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 724         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 725         * configure.in: sinclude ../common/aclocal.m4.
 726         * configure: Regenerated.
 727
 728 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 729
 730         * configure configure.in Makefile.in:  Update to new configure
 731         scheme which is more compatible with WinGDB builds.
 732         * configure.in:  Improve comment on how to run autoconf.
 733         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 734         * Makefile.in:  Use autoconf substitution to install common
 735         makefile fragment.
 736
 737 Mon Jan 20 16:05:34 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 738
 739         * simops.c (OP_{E0,2E0,6E0}): The multiply operations sign extend,
 740         not zero extend.
 741
 742 Tue Jan 14 17:06:03 1997  Stu Grossman  (grossman@critters.cygnus.com)
 743
 744         * simops.c:  Put ifdefs around things to make MSVC happy.  Get rid
 745         of unistd.h.  Disable SYS_stat, SYS_chown, SYS_time, SYS_times,
 746         SYS_gettimeofday and SYS_utime from MSVC.
 747
 748 Tue Dec 31 18:11:13 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 749
 750         * simops.c (OP_10007E0): Know that kill encodes the signal number
 751         via: 0xdead0000 | signal and turn it back into a signal.
 752
 753 Fri Dec 27 14:44:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 754
 755         * v850_sim.h (SIG_V850_EXIT): Define as -1.
 756
 757         * interp.c (sim_open): Cast calloc function.
 758         (sim_stop_reason): If signal is SIG_V850_EXIT, inform gdb the
 759         program exited with the appropriate exit code.
 760         (sim_set_interrupt): Declare buildargv.
 761
 762         * simops.c (OP_10007E0): Make exit signal normal exit.  Make time
 763         type correct and work on big endian systems.
 764
 765 Wed Nov 20 02:18:44 1996  Doug Evans  <dje@canuck.cygnus.com>
 766
 767         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
 768         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 769         * configure.in: Simplify using macros in ../common/aclocal.m4.
 770         Call AC_CHECK_HEADERS(unistd.h).
 771         * configure: Regenerated.
 772         * config.in: New file.
 773         * simops.c: #include "config.h".  #include <unistd.h> if present.
 774
 775 Sun Nov  3 23:02:54 1996  Stan Shebs  <shebs@andros.cygnus.com>
 776
 777         * v850_sim.h (State): New slots dummy_mem, pending_nmi.
 778         (EIPC, etc): New macros for system registers.
 779         * simops.c, interp.c: Use everywhere.
 780
 781         * interp.c: Add support for interrupts issued by interrupt
 782         generators, either PC- or time-based.  Controlled by simulator
 783         command "sim interrupt".
 784
 785         * interp.c: Add support for variable-size allocation of memory,
 786         via simulator command "sim memory-map".
 787         (map): Issue SIGSEGV for references to invalid memory regions.
 788
 789 Thu Oct 31 14:44:10 1996  Gavin Koch  <gavin@cygnus.com>
 790
 791         * simops.c: Include <sys/time.h> for struct timeval and
 792         struct timezone.
 793
 794 Wed Oct 30 08:49:10 1996  Jeffrey A Law  (law@cygnus.com)
 795
 796         * simops.c (OP_10007E0): Handle SYS_times and SYS_gettimeofday.
 797
 798         * simops.c (OP_10007E0): Handle SYS_time.
 799
 800 Tue Oct 29 14:22:55 1996  Jeffrey A Law  (law@cygnus.com)
 801
 802         * simops.c: Include <sys/stat.h>.
 803         (OP_10007E0): Handle SYS_stat.
 804
 805 Thu Oct 24 12:26:35 1996  Jeffrey A Law  (law@cygnus.com)
 806
 807         * simops.c (OP_10007E0): Don't declare errno.
 808
 809         * simops.c (OP_500): Mask off low bit in displacement
 810         for sld.w.
 811         (OP_501): Similarly.
 812
 813         * simops.c (OP_500): Fix displacement handling for sld.w.
 814         (OP_501): Similarly for sst.w.
 815
 816         * simops.c (trace_input): Remove all references to SEXT7.
 817         (OP_300, OP_400, OP_500, OP_380, OP_480, OP_501): Displacement
 818         is zero extended for sst/sld instructions.
 819         * v850_sim.h (SEX7): Delete.  It's no longer needed (and it
 820         was incorrect anyway).
 821
 822 Thu Oct 24 10:33:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 823
 824         * Makefile.in:  Get rid of srcroot.  Set all INSTALL macros via
 825         autoconf.
 826         * gencode.c (write_opcodes):  Pad operands field to account for
 827         MSVC braindamage.
 828         * simops.c:  Include errno.h.  Exclude SYS_chown, since MSVC
 829         doesn't support it.  (Why is this here in the first place?!?)
 830         * v850_sim.h:  Get rid of 64 bit defs.  Also, get rid of #elif's.
 831         Change number of operands in struct simops from 9 to 6.  Define
 832         SIGTRAP and SIGQUIT for MSVC.
 833
 834 Tue Oct 15 16:19:51 1996  Stu Grossman  (grossman@critters.cygnus.com)
 835
 836         * interp.c (MEM_SIZE):  It's now bytes, not a power of 2.
 837         * (map):  Add support for external mem in the 1->2 meg range.
 838         Also, abort() when memory access is way out of bounds.  (Better to
 839         die than to give wrong result.  (This will be fixed later.))
 840         * (sim_size):  MEM_SIZE is now bytes, not shift factor.
 841
 842 Tue Oct  1 15:53:24 1996  Gavin Koch <gavin@cygnus.com>
 843
 844         * simops.c (trace_input): Swapped order of operands for output
 845         output of OP_IMM_REG.  Changed the fetching of the operands for
 846         OP_LOAD32, and OP_STORE32 to work like op-function.
 847
 848 Mon Sep 30 15:46:33 1996  Stu Grossman  (grossman@critters.cygnus.com)
 849
 850         * interp.c:  Move includes of remote-sim.h and callback.h to
 851         v850-sim.h.
 852         * (lookup_hash): Add PC to report of hash failure.
 853         * (map load_mem store_mem):  New memory subsystem.  Models V851
 854         memory system.
 855         * (sim_write sim_read):  Use new memory subsystem.
 856         * (sim_resume):  Don't load and save PC into EIPC anymore.  Needed
 857         to make user-defined traps work right.
 858         * simops.c (OP_*):  Use new memory subsystem.
 859         * (OP_14007E0 (reti)):  Implement reti.
 860         * (OP_14996E0 (trap)):  Implement user-defined traps.  Move I/O to
 861         trap 31.  Use new memory subsystem.
 862         * v850_sim.h:  Prototypes for load_mem, store_mem and map.  Use
 863         load_mem in RLW macro.
 864
 865 Fri Sep 27 18:34:09 1996  Stu Grossman  (grossman@critters.cygnus.com)
 866
 867         * gencode.c (write_opcodes):  Output hex values for opcode mask
 868         and patterns.
 869         * interp.c (sim_resume):  Save and restore PC from the appropriate
 870         register.
 871         * (sim_fetch_register sim_store_register):  Fix byte-order problem
 872         with reading and writing registers.
 873         * simops.c (OP_FFFF):  Implement pseudo-breakpoint insn.
 874
 875 Fri Sep 27 17:42:37 1996  Jeffrey A Law  (law@cygnus.com)
 876
 877         * simops.c (trace_input): Fix thinko.
 878
 879 Wed Sep 18 09:54:12 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 880
 881         * simops.c (exec_bfd): Rename from sim_bfd.
 882         (trace_input): Ditto.
 883
 884 Thu Sep 12 12:03:05 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 885
 886         * simops.c (trace_input): Use find_nearest_line to print line
 887         number, function name or file name of PC.
 888
 889 Wed Sep 11 16:44:37 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 890
 891         * simops.c: Add tracing support.  Use SEXTxx macros instead of
 892         doing hardwired shifts.
 893
 894         * configure.in (--enable-sim-cflags): Add switch to add additional
 895         flags to simulator buld.  If --enable-sim-cflags=trace, turn on
 896         tracing.
 897         * configure: Regenerate.
 898
 899         * Makefile.in: Don't require a VPATH capable make if configuring
 900         in the same directory.  Don't use CFLAGS for configuration flags.
 901         Add flags from --enable-sim-cflags.  Support canadian cross
 902         builds.  Rebuild whole simulator if include files change.
 903
 904         * interp.c (v850_debug): New global for debugging.
 905         (lookup_hash,sim_size,sim_set_profile): Use
 906         printf_filtered callback, instead of calling printf directly.
 907         (sim_{open,trace}): Enable tracing if -t and compiled for tracing.
 908
 909         * v850_sim.h: Use limits.h to set the various sized types.
 910         (SEXT{5,7,16,22}): New macros.
 911
 912 Mon Sep  9 20:50:46 1996  Jeffrey A Law  (law@cygnus.com)
 913
 914         * interp.c (hash): Make this an inline function
 915         when compiling with GCC.  Simplify.
 916         * simpos.c: Explicitly include "sys/syscall.h".  Remove
 917         some #if 0'd code.  Enable more emulated syscalls.
 918
 919 Wed Sep  4 01:48:55 1996  Jeffrey A Law  (law@cygnus.com)
 920
 921         * interp.c: Fix sign bit handling for add and sub instructions.
 922
 923 Tue Sep  3 10:20:30 1996  Jeffrey A Law  (law@cygnus.com)
 924
 925         * gencode.c: Fix various indention & style problems.
 926         Remove test code.  Remove #if 0 code.
 927         * interp.c: Provide prototypes for all static functions.
 928         Fix minor indention problems.
 929         (sim_open, sim_resume): Remove unused variables.
 930         (sim_read): Return type is "int".
 931         * simops.c: Remove unused variables.
 932         (divh): Make result of divide-by-zero zero.
 933         (setf): Initialize result to keep compiler quiet.
 934         (sar instructions): These just clear the overflow bit.
 935         * v850_sim.h: Provide prototypes for put_byte, put_half
 936         and put_word.
 937
 938         * interp.c: OP should be an array of 32bit operands!
 939         (v850_callback): Declare.
 940         (do_format_5): Fix extraction of OP[0].
 941         (sim_size): Remove debugging printf.
 942         (sim_set_callbacks): Do something useful.
 943         (sim_stop_reason): Gross hacks to get c-torture running.
 944         * simops.c: Simplify code for computing targets of bCC
 945         insns.   Invert 's' bit if 'ov' bit is set for some
 946         instructions.  Fix 'cy' bit handling for numerous
 947         instructions.  Make the simulator stop when a halt
 948         instruction is encountered.  Very crude support for
 949         emulated syscalls (trap 0).
 950         * v850_sim.h: Include "callback.h" and declare
 951         v850_callback.  Items in the operand array are 32bits.
 952
 953 Sun Sep  1 22:35:35 1996  Jeffrey A Law  (law@cygnus.com)
 954
 955         * interp.c (sim_resume): Fix code to check for a format 3
 956         opcode.
 957         * simops.c: bCC insns only argument is a constant, not a
 958         register value (duh...)
 959
 960 Fri Aug 30 10:33:49 1996  Jeffrey A Law  (law@cygnus.com)
 961
 962         * simops.c: Fix "not1" and "set1".
 963
 964         * simops.c: Don't forget to initialize temp for
 965         "ld.h" and "ld.w"
 966
 967         * interp.c: Remove various debugging printfs.
 968
 969         * simops.c: Fix satadd, satsub boundary case handling.
 970
 971         * interp.c (hash): Fix.
 972         * interp.c (do_format_8): Get operands correctly and
 973         call the target function.
 974         * simops.c: Rough cut at "clr1", "not1", "set1", and "tst1".
 975
 976 Thu Aug 29 13:53:29 1996  Jeffrey A Law  (law@cygnus.com)
 977
 978         * interp.c (do_format_4): Get operands correctly and
 979         call the target function.
 980         * simops.c: Rough cut at "sld.b", "sld.h", "sld.w", "sst.b",
 981         "sst.h", and "sst.w".
 982
 983         * v850_sim.h: The V850 doesn't have split I&D spaces.  Change
 984         accordingly.  Remove many unused definitions.
 985         * interp.c: The V850 doesn't have split I&D spaces.  Change
 986         accordingly.
 987         (get_longlong, get_longword, get_word): Deleted.
 988         (write_longlong, write_longword, write_word): Deleted.
 989         (get_operands): Deleted.
 990         (get_byte, get_half, get_word): New functions.
 991         (put_byte, put_half, put_word): New functions.
 992         * simops.c: Remove unused functions.  Rough cut at
 993         "ld.b", "ld.h", "ld.w", "st.b", "st.h", "st.w" insns.
 994
 995         * v850_sim.h (struct _state): Remove "psw" field.  Add
 996         "sregs" field.
 997         (PSW): Remove bogus definition.
 998         * simops.c: Change condition code handling to use the psw
 999         register within the sregs array.  Handle "ldsr" and "stsr".
1000
1001         * simops.c: Handle "satadd", "satsub", "satsubi", "satsubr".
1002
1003         * interp.c (do_format_5): Get operands correctly and
1004         call the target function.
1005         (sim_resume): Don't do a PC update for format 5 instructions.
1006         * simops.c: Handle "jarl" and "jmp" instructions.
1007
1008         * simops.c: Fix minor typos.  Handle "cmp", "setf", "tst"
1009         "di", and "ei" instructions correctly.
1010
1011         * interp.c (do_format_3): Get operands correctly and call
1012         the target function.
1013         * simops.c: Handle bCC instructions.
1014
1015         * simops.c: Add condition code handling to shift insns.
1016         Fix minor typos in condition code handling for other insns.
1017
1018         * Makefile.in: Fix typo.
1019         * simops.c: Add condition code handling to "sub" "subr" and
1020         "divh" instructions.
1021
1022         * interp.c (hash): Update to be more accurate.
1023         (lookup_hash): Call hash rather than computing the hash
1024         code here.
1025         (do_format_1_2): Handle format 1 and format 2 instructions.
1026         Get operands correctly and call the target function.
1027         (do_format_6): Get operands correctly and call the target
1028         function.
1029         (do_formats_9_10): Rough cut so shift ops will work.
1030         (sim_resume): Tweak to deal with format 1 and format 2
1031         handling in a single funtion.  Don't update the PC
1032         for format 3 insns.  Fix typos.
1033         * simops.c: Slightly reorganize.  Add condition code handling
1034         to "add", "addi", "and", "andi", "or", "ori", "xor", "xori"
1035         and "not" instructions.
1036         * v850_sim.h (reg_t): Registers are 32bits.
1037         (_state): The V850 has 32 general registers.  Add a 32bit
1038         psw and pc register too.  Add accessor macros
1039
1040         * Makefile.in, interp.c, v850_sim.h: Bring over endianness
1041         changes from the d10v simulator.
1042
1043         * simops.c: Add shift support.
1044
1045         * simops.c: Add multiply & divide support.  Abort for system
1046         instructions.
1047
1048         * simops.c: Add logicals, mov, movhi, movea, add, addi, sub
1049         and subr.  No condition codes yet.
1050
1051 Wed Aug 28 13:53:22 1996  Jeffrey A Law  (law@cygnus.com)
1052
1053         * ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,
1054         gencode.c, interp.c, simops.c: Created.
1055