sim/sh/ChangeLog

   1 2015-06-12  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * configure: Regenerate.
   4
   5 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
   6
   7         * sim-main.h (SIM_CPU): Delete.
   8
   9 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
  10
  11         * sim-main.h (sim_cia): Delete.
  12
  13 2015-04-17  Mike Frysinger  <vapier@gentoo.org>
  14
  15         * sim-main.h (CIA_GET, CIA_SET): Delete.
  16
  17 2015-04-17  Mike Frysinger  <vapier@gentoo.org>
  18
  19         * interp.c (sh_pc_get, sh_pc_set): New functions.
  20         (sim_open): Call CPU_PC_FETCH & CPU_PC_STORE for all cpus.
  21
  22 2015-04-15  Mike Frysinger  <vapier@gentoo.org>
  23
  24         * Makefile.in (SIM_OBJS): Delete sim-cpu.o.
  25         * sim-main.h (STATE_CPU): Delete.
  26
  27 2015-04-13  Mike Frysinger  <vapier@gentoo.org>
  28
  29         * configure: Regenerate.
  30
  31 2015-04-06  Mike Frysinger  <vapier@gentoo.org>
  32
  33         * Makefile.in (SIM_OBJS): Delete sim-engine.o.
  34
  35 2015-03-31  Mike Frysinger  <vapier@gentoo.org>
  36
  37         * config.in, configure: Regenerate.
  38
  39 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
  40
  41         * Makefile.in (SIM_RUN_OBJS, SIM_EXTRA_CFLAGS): Delete.
  42         (SIM_OBJS): Change to $(SIM_NEW_COMMON_OBJS).
  43         * interp.c: Delete run-sim.h include.  Include sim-main.h, sim-base.h,
  44         and sim-options.h.
  45         (SEXT, SEXT32): Undefine.
  46         (sim_write): Delete prototype.
  47         (regstacktype, saved_state_type): Move to sim-main.h.
  48         (target_little_endian): Replace with CURRENT_TARGET_BYTE_ORDER.
  49         (host_little_endian): Replace with CURRENT_HOST_BYTE_ORDER.
  50         (sim_kind, myname, tracing, sim_stop, sim_trace, sim_set_profile,
  51         sim_set_profile_size, sim_load, sim_set_callbacks,
  52         sim_complete_command): Delete.
  53         (sim_size): Mark static.
  54         (init_pointers): Delete host_little_endian setup.
  55         (sim_resume): Delete tracing check.
  56         (free_state): New cleanup function.
  57         (sim_open): Rewrite to use new common logic.
  58         (sim_create_inferior): Call init_dsp.
  59         * sim-main.h: New file.
  60         * tconfig.h: Delete file.
  61
  62 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
  63
  64         * gencode.c (ppi_gensim): Convert old style prototype with ppi_insn.
  65         * interp.c: Include ctype.h and run-sim.h.
  66         [HAVE_TIME_H]: Include time.h
  67         [HAVE_SYS_TIME_H]: Include sys/time.h
  68         [!_WIN32]: Include utime.h and sys/wait.h.
  69         (set_fpscr1, raise_exception, raise_buserror, get_dr, set_dr, set_sr,
  70         do_rdat, do_wdat, process_wlat_addr, process_wwat_addr,
  71         process_wbat_addr, process_rlat_addr, process_rwat_addr,
  72         process_rbat_addr, IOMEM, get_now, now_persec, swapout, swapout16,
  73         ptr, strswaplen, strnswap, dmul, macw, macl, get_loop_bounds_ext,
  74         get_loop_bounds, sim_size, init_dsp, init_pointers, dump_profile,
  75         gotcall, sim_stop, sim_write, sim_read, sim_store_register,
  76         sim_fetch_register, sim_trace, sim_stop_reason, sim_info,
  77         sim_set_profile, sim_set_profile_size, sim_open,
  78         parse_and_set_memory_size, sim_close, sim_load, sim_create_inferior,
  79         sim_do_command, sim_set_callbacks): Convert old style prototype.
  80         (fail): Delete unused function.
  81         (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
  82         Delete unused prototypes.
  83         (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast,
  84         swap, swap16):
  85         Convert old style prototype and move INLINE before the type.
  86         (trap): Convert old style prototype.  Add casts to wait and sim_write
  87         calls.
  88         (div1): Convert old style prototype.  Change return to void.
  89         (do_long_move_insn, do_blog_insn, fsca_s, fsrra_s, mcalloc): Mark
  90         static.
  91         (sim_resume): Convert old style prototype.  Align printf format and
  92         args.
  93
  94 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
  95
  96         * gencode.c (ppi_gensim): Add missing */.  Change case 4 to case 5.
  97
  98 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
  99
 100         * Makefile.in (gencode): Add $(BUILD_CFLAGS), $(BUILD_LDFLAGS),
 101         and $(WARN_CFLAGS).
 102         * gencode.c: Include ctype.h, stdlib.h, string.h, and unistd.h.
 103         (struct op): Mark members const.
 104         (tab): Mark static.
 105         (nibble_type_list): Mark const.
 106         (arg_type_list): Mark const.
 107         (make_enum_list): Delete unused func.
 108         (qfunc, expand_opcode, dumptable, expand_ppi_code): Convert old
 109         style prototype and mark args const.
 110         (sorttab, gengastab, conflict_warn, filltable, expand_ppi_movxy,
 111         gensim, ppi_filltable): Convert old style prototype.
 112         (gensim_caselist): Convert old style prototype.  Mark local
 113         variables s and r const.
 114         (gendefines): Convert old style prototype.  Mark s const.  Move
 115         tolower call into printf statement.
 116         (ppi_gensim): Convert old style prototype.  Mark local variable
 117         s const.
 118         (main): Convert old style prototype.  Change printf %d to %zu.
 119
 120 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
 121
 122         * config.in, configure: Regenerate.
 123         * configure.ac: Call SIM_AC_OPTION_ENDIAN, SIM_AC_OPTION_ALIGNMENT,
 124         SIM_AC_OPTION_HOSTENDIAN, SIM_AC_OPTION_ENVIRONMENT,
 125         SIM_AC_OPTION_INLINE, SIM_AC_OPTION_WARNINGS.
 126
 127 2015-03-16  Mike Frysinger  <vapier@gentoo.org>
 128
 129         * config.in, configure: Regenerate.
 130         * tconfig.in: Rename file ...
 131         * tconfig.h: ... here.
 132
 133 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 134
 135         * Makefile.in (SIM_EXTRA_CFLAGS): Set to
 136         -DSIM_USE_DEPRECATED_RUN_FRONTEND.
 137         (SIM_RUN_OBJS): Set to run.o.
 138
 139 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 140
 141         * configure.ac (AC_CHECK_HEADERS): Delete.
 142         * aclocal.m4, configure: Regenerate.
 143
 144 2014-10-14  Oleg Endo <olegendo@gcc.gnu.org>  (tiny patch)
 145
 146         * gencode.c (fabs, fneg): Implement as integer operation
 147         instead of using the FP_UNARY macro.
 148
 149 2014-08-19  Alan Modra  <amodra@gmail.com>
 150
 151         * configure: Regenerate.
 152
 153 2014-08-15  Roland McGrath  <mcgrathr@google.com>
 154
 155         * configure: Regenerate.
 156         * config.in: Regenerate.
 157
 158 2014-03-10  Mike Frysinger  <vapier@gentoo.org>
 159
 160         * interp.c (parse_and_set_memory_size): Add const to str.
 161         (sim_do_command): Add const to cmd and sms_cmd.
 162
 163 2014-03-05  Mike Frysinger  <vapier@gentoo.org>
 164
 165         * interp.c (sim_load): Add const to prog.
 166
 167 2014-02-17  Mike Frysinger  <vapier@gentoo.org>
 168
 169         PR gdb/16450
 170         * interp.c (control_c): Delete.
 171         (sim_resume): Delete signal(SIGINT) handling.
 172
 173 2013-09-23  Alan Modra  <amodra@gmail.com>
 174
 175         * configure: Regenerate.
 176
 177 2013-06-03  Mike Frysinger  <vapier@gentoo.org>
 178
 179         * aclocal.m4, configure: Regenerate.
 180
 181 2012-06-15  Joel Brobecker  <brobecker@adacore.com>
 182
 183         * config.in, configure: Regenerate.
 184
 185 2012-03-24  Mike Frysinger  <vapier@gentoo.org>
 186
 187         * aclocal.m4, config.in, configure: Regenerate.
 188
 189 2012-02-16  Kevin Buettner  <kevinb@redhat.com>
 190
 191         * interp.c (MA): Adjust cast to avoid warning on 64-bit hosts.
 192
 193         * interp.c (sim_store_register, sim_fetch_register): Return
 194         length, not -1.
 195
 196 2011-12-03  Mike Frysinger  <vapier@gentoo.org>
 197
 198         * aclocal.m4: New file.
 199         * configure: Regenerate.
 200
 201 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 202
 203         * configure.ac: Change include to common/acinclude.m4.
 204
 205 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 206
 207         * configure.ac: Change AC_PREREQ to 2.64.  Delete AC_CONFIG_HEADER
 208         call.  Replace common.m4 include with SIM_AC_COMMON.
 209         * configure: Regenerate.
 210
 211 2011-04-16  Mike Frysinger  <vapier@gentoo.org>
 212
 213         * interp.c (sim_complete_command): New stub function.
 214
 215 2010-04-14  Mike Frysinger  <vapier@gentoo.org>
 216
 217         * interp.c (sim_write): Add const to buffer arg.
 218
 219 2010-01-12  Masaki Muranaka  <monaka@monami-software.com>
 220
 221         * interp.c: Don't include sysdep.h.
 222         Include stdio.h and errno.h.
 223         Include string.h strings.h stdlib.h sys/stat.h if present.
 224
 225 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 226
 227         * configure: Regenerate.
 228
 229 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 230
 231         * config.in: Regenerate.
 232         * configure: Likewise.
 233
 234         * configure: Regenerate.
 235
 236 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
 237
 238         * configure: Regenerate to track ../common/common.m4 changes.
 239         * config.in: Ditto.
 240
 241 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
 242             Daniel Jacobowitz  <dan@codesourcery.com>
 243             Joseph Myers  <joseph@codesourcery.com>
 244
 245         * configure: Regenerate.
 246
 247 2008-02-04  Antony King  <antony.king@st.com>
 248
 249         * interp.c (macl): Fix non-portable implementation.
 250
 251 2007-10-08  Andrew Stubbs  <andrew.stubbs@st.com>
 252
 253         * gencode.c (tab): Add RAISE_EXCEPTION_IF_IN_DELAY_SLOT to the
 254         definition of PC relative 'mov.l'/'mov.w' and also 'mova'.
 255
 256 2007-03-02  Andrew Stubbs  <andrew.stubbs@st.com>
 257
 258         * gencode.c (tab): Correct pre-decrement instructions when m == n.
 259
 260 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
 261
 262         * acconfig.h: Remove.
 263         * config.in: Regenerate.
 264
 265 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
 266
 267         * configure: Regenerated.
 268
 269 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
 270
 271         * configure: Regenerated.
 272
 273 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
 274
 275         * configure: Regenerated.
 276
 277 2005-11-10  Andrew Stubbs  <andrew.stubbs@st.com>
 278
 279         * interp.c (sim_memory_size): Use same amount of memory on Windows as
 280         elsewhere.
 281
 282 2005-09-19  J"orn Rennecke <joern.rennecke@st.com>
 283
 284         * interp.c (<sys/mman.h>): Include.
 285         (mcalloc): New function / macro.
 286         (mfree): New macro.
 287         (sim_size): Use mcalloc and mfree.
 288
 289 2005-08-02  J"orn Rennecke <joern.rennecke@st.com>
 290
 291         * interp.c (strswaplen): Add one for '\0' delimiter.
 292
 293 2005-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
 294
 295         * gencode.c (tab): Avoid lvalue casts.  Suggested by
 296         Ralf Corsepius <ralf.corsepius@rtems.org>.
 297
 298 2005-04-12  Jonathan Larmour  <jifl@eCosCentric.com>
 299
 300         * gencode.c (tab): Avoid inserting code before variables all declared.
 301
 302 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
 303
 304         * configure: Regenerate.
 305
 306 2005-01-14  Andrew Cagney  <cagney@gnu.org>
 307
 308         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
 309         explicit call to AC_CONFIG_HEADER.
 310         * configure: Regenerate.
 311
 312 2005-01-12  Andrew Cagney  <cagney@gnu.org>
 313
 314         * configure.ac: Update to use ../common/common.m4.
 315         * configure: Re-generate.
 316
 317 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
 318
 319         * configure: Regenerated to track ../common/aclocal.m4 changes.
 320
 321 2005-01-07  Andrew Cagney  <cagney@gnu.org>
 322
 323         * configure.ac: Rename configure.in, require autoconf 2.59.
 324         * configure: Re-generate.
 325
 326 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
 327
 328         * configure: Regenerate for ../common/aclocal.m4 update.
 329
 330 2004-09-08  DJ Delorie  <dj@redhat.com>
 331
 332         Commited by Corinna Vinschen <vinschen@redhat.com>
 333         * gencode.c (movua.l): Compensate for endianness.
 334
 335 2004-09-08  Corinna Vinschen  <vinschen@redhat.com>
 336
 337         * interp.c (RAISE_EXCEPTION_IF_IN_DELAY_SLOT): New macro.
 338         (in_delay_slot): New flag variable.
 339         (Delay_Slot): Set in_delay_slot.
 340         (sim_resume): Reset in_delay_slot after leaving code switch.
 341         * gencode.c (op tab): Call RAISE_EXCEPTION_IF_IN_DELAY_SLOT for all
 342         instructions not allowed in delay slots.
 343
 344 2004-09-08  Michael Snyder  <msnyder@redhat.com>
 345
 346         Commited by Corinna Vinschen <vinschen@redhat.com>
 347         Introduce SH2a support.
 348         * interp.c: Change type of jump table to short.  Add various macros.
 349         (sim_load): Save the bfd machine code.
 350         (sim_create_inferior): Ditto.
 351         (union saved_state_type): Add tbr, ibnr and ibcr registers.
 352         Move bfd_mach to end of struct.  Add regstack pointer.
 353         (init_dsp): Don't swap contents of sh_dsp_table any more.  Instead
 354         use it directly in its own switch statement.  Allocate space for 512
 355         register banks.
 356         (do_long_move_insn): New function.
 357         (do_blog_insn): Ditto.
 358         (trap): Use trap #13 and trap #14 to set ibnr and ibcr.
 359         * gencode.c: Move movx/movy insns into separate switch statement.
 360         (op tab): Add sh2a insns.  Reject instructions that are disabled
 361         on that chip.
 362         (gensim_caselist): Generate default case here instead of in caller.
 363         (gensim): Generate two separate switch statements.  Call
 364         gensim_caselist once for each (for movsxy_tab and for tab).
 365         Add tokens for r15 and multiple regs.
 366         (conflict_warn, warn_conflicts): Add for debugging.
 367
 368 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
 369
 370         * gencode.c (tab): For shad snd shld, fix result for
 371         (op1 < 0 && shift_amount == 0).
 372
 373 2004-02-02  Michael Snyder  <msnyder@redhat.com>
 374
 375         * gencode.c (movua.l): Set thislock to 0, not n.
 376
 377 2004-02-12  Michael Snyder  <msnyder@redhat.com>
 378
 379         * gencode.c (table): Change from char to short.
 380         (dumptable): Change generated table from char to short.
 381         * interp.c (sh_jump_table, sh_dsp_table, ppi_table): char to short.
 382         (init_dsp): Compute size of sh_dsp_table.
 383         (sim_resume): Change jump_table from char to short.
 384
 385 2004-01-27  Michael Snyder  <msnyder@redhat.com>
 386
 387         * gencode.c: (op tab): Some refs and defs fixes.
 388         "fsrra" -> "fsrra <FREG_N>".
 389         "sleep": replace array ref with array addr.
 390         "trapa": ditto.
 391         Comment and whitespace clean-ups.
 392
 393 2004-01-07  Michael Snyder  <msnyder@redhat.com>
 394
 395         * gencode.c: Whitespace cleanup.
 396         * interp.c: Ditto.
 397
 398         * gencode.c: Replace 'Hitachi' with 'Renesas'.
 399         (op tab): Add new instructions for sh4a, DBR, SBR.
 400         (expand_opcode): Add handling for new movxy combinations.
 401         (gensym_caselist): Ditto.
 402         (expand_ppi_movxy): Remove movx/movy expansions,
 403         now handled in expand_opcode.
 404         (gensym): Add some helpful macros.
 405         (expand_ppi_code): Flatten loop for simplicity, tweak for 12-bit
 406         instead of 8-bit table (some insns are ambiguous to 8 bits).
 407         (ppi_gensim, main): Generate 12-bit instead of 8-bit ppi table.
 408
 409         * interp.c: Replace 'Hitachi' with 'Renesas'.
 410         (union saved_state_type): Add dbr, sgr, ldst.
 411         (get_loop_bounds_ext): New function.
 412         (init_dsp): Add bfd_mach_sh4al_dsp.
 413         (sim_resume): Handle extended loop bounds.
 414
 415 2003-12-18  Michael Snyder  <msnyder@redhat.com>
 416
 417         * gencode.c (expand_opcode): Simplify and reorganize.
 418         Eliminate "shift" parameter.  Eliminate "4 bits at a time"
 419         assumption.  Flatten switch statement to a single level.
 420         Add "eeee" token for even-numbered registers.
 421         (bton): Delete.
 422         (fsca): Use "eeee" token.
 423         (ppi_moves): Rename to "expand_ppi_movxy".  Do the ddt
 424         [movx/movy] expansion here, as well as the ppi expansion.
 425         (gensim_caselist): Accept 'eeee' along with 'nnnn'.
 426
 427 2003-11-03  J"orn Rennecke <joern.rennecke@superh.com>
 428
 429         * interp.c (fsca_s, fsrra_s): New functions.
 430         * gencode.c (tab): Add entries for fsca and fsrra.
 431         (expand_opcode): Allow variable length n / m fields.
 432
 433 2003-10-15  J"orn Rennecke <joern.rennecke@superh.com>
 434
 435         * syscall.h (SYS_truncate, SYS_ftruncate): Define.
 436         * interp.c (trap): Add support for SYS_ftruncate and SYS_truncate.
 437
 438 2003-08-11  Shrinivas Atre  <shrinivasa@KPITCummins.com>
 439         * sim/sh/gencode.c ( tab[] ): Addition of MAC.L handler and
 440         correction for MAC.W handler
 441         * sim/sh/interp.c ( macl ): New Function. Implementation of
 442         MAC.L handler.
 443
 444 2003-08-07  Michael Snyder  <msnyder@redhat.com>
 445
 446         * gencode.c (expand_ppi_code): Comment spelling fix.
 447
 448 2003-07-25  Michael Snyder  <msnyder@redhat.com>
 449
 450         * gencode.c (pshl): Change < to <= (shift by 16 is allowed).
 451         Cast argument of >> to unsigned to prevent sign extension.
 452         (psha): Change < to <= (shift by 32 is allowed).
 453
 454 2003-07-24  Michael Snyder  <msnyder@redhat.com>
 455
 456         * gencode.c: Fix typo in comment.
 457
 458 2003-07-23  Michael Snyder  <msnyder@redhat.com>
 459
 460         * gencode.c: A few more fix-ups of refs and defs.
 461         (frchg): Raise SIGILL if in double-precision mode.
 462         (ldtlb): We don't simulate cache, so this is a no-op.
 463         (movsxy_tab): Correct a few bit pattern errors.
 464
 465 2003-07-09  Michael Snyder  <msnyder@redhat.com>
 466
 467         * gencode.c (prnd): Clear LSW of result to zeros.
 468         * gencode.c (pmuls): Expression is mis-parenthesized.
 469         * gencode.c (ppi_gensim): For a conditional ppi insn, if the
 470         condition is false, we want to return (not break).  A break
 471         will take us to the end of the function where registers will
 472         be updated, whereas the desired outcome is for nothing to change.
 473
 474 2003-07-03  Michael Snyder  <msnyder@redhat.com>
 475
 476         * gencode.c (movs): Fix a couple of text transpositions.
 477
 478 2003-06-27  Michael Snyder  <msnyder@redhat.com>
 479
 480         * gencode.c (op tab): Some fix-ups of refs and defs.
 481         (ocbi, ocbp): Cache not simulated, but may cause memory fault.
 482         (gensym_caselist): Add default case to switch statement.
 483         (expand_ppi_code): Add default case to switch statement.
 484         * gencode.c (op tab): Implement movca.l.
 485         * gencode.c (op movsxy_tab): Fix an error in the bit pattern.
 486         * gencode.c (gensim_caselist): The movy instructions use
 487         registers R6 and R7 (not R4 and R5 like the movx insns).
 488
 489 2003-06-27  Michael Snyder  <msnyder@redhat.com>
 490
 491         * gencode.c (op movsxy_tab): Fix up some copy/paste errors
 492         in name: s/REG_x/REG_y/.
 493
 494         * gencode.c (op tab): Move misplaced semicolon.
 495
 496 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 497
 498         * interp.c (init_dsp, sim_open, sim_create_inferior): Rename _bfd
 499         to bfd.
 500
 501 Fri Oct 11 16:22:28 2002  J"orn Rennecke <joern.rennecke@superh.com>
 502
 503         * interp.c (trap): Return int.  Take extra parameter for address
 504         of the trap instruction.  Changed all callers.
 505         Add case 33 for profiling.
 506         * gencode.c (trapa): Handle trap 33 using the trap function.
 507         Add read of vector for generic traps.
 508
 509 Wed Jul 17 19:36:38 2002  J"orn Rennecke <joern.rennecke@superh.com>
 510
 511         * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
 512         * interp.c: Include "gdb/sim-sh.h".
 513         (sim_store_register, sim_fetch_register): Use constants defined there.
 514
 515 Tue Jun 18 16:53:11 2002  J"orn Rennecke <joern.rennecke@superh.com>
 516
 517         * interp.c (sim_resume): Fix setting of bus error for
 518         instruction fetch.
 519
 520 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 521
 522         * configure: Regenerated to track ../common/aclocal.m4 changes.
 523
 524 2002-06-08  Andrew Cagney  <cagney@redhat.com>
 525
 526         * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
 527
 528 2001-01-30  Ben Elliston  <bje@redhat.com>
 529
 530         * interp.c (sim_create_inferior): Record program arguments for
 531         later inspection by the trap handler.
 532         (count_argc): New function.
 533         (prog_argv): Declare static.
 534         (sim_write): Declare.
 535         (trap): Implement argc, argnlen and argn system calls. Do not
 536         abort on unknown system calls--simply return -1.
 537         * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
 538
 539 2001-01-24  Alexandre Oliva  <aoliva@redhat.com>
 540
 541         * interp.c (trap): Implement time.
 542
 543 2000-10-24  Ben Elliston  <bje@redhat.com>
 544
 545         * gencode.c (tab): Delimit strings with commas where applicable.
 546
 547 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 548
 549         * configure: Regenerated to track ../common/aclocal.m4 changes.
 550
 551 Mon May 15 22:04:51 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
 552
 553 sh-dsp support, simulator speedup by using host byte order:
 554
 555         * Makefile.in (interp.o): Depends on ppi.c .
 556         (ppi.c): New rule.
 557         * gencode.c (printonmatch, think, genopc): Deleted.
 558         (MAX_NR_STUFF): Now 42.
 559         (tab): Add SH-DSP CPU instructions.
 560         Amalgamate ldc / stc / lds / sts instructions with similar
 561         bit patterns.  Fix opcodes of stc Rm_BANK,@-<REG_N>.
 562         Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
 563         (movsxy_tab): New array.
 564         For movs, change MMMM field to GGGG, and mmmm field to MMMM.
 565         Added entries for movx, movy and parallel processing insns.
 566         (ppi_tab): New array.
 567         (qfunc): Stabilize sort.
 568         (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
 569         Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
 570         (dumptable): Now takes three arguments.  Changed all callers.
 571         Emit just one contigous jump table.
 572         (filltable): Now takes an argument.  Changed all callers.
 573         Make index static.
 574         (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
 575         (gensim_caselist): New function, broken out of gensim.
 576         Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
 577         Handle ref '9'.
 578         (gensim): Handle 'N' in code field and '8' in refs field.
 579         Call gensim_caselist - twice.
 580         (ppi_index): New static variable.
 581         (main): Unsupport default action.
 582         Add dsp support for -x / -s option.  Add -p option.
 583         * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
 584         (saved_state_type): Rearrange to allow amalgamated ldc / stc /
 585         lds / sts to work efficiently.
 586         (target_dsp): New static variable.
 587         (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
 588         (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
 589         (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
 590         (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
 591         (set_fpscr1): Likewise.  Use target_dsp to check for dsp.
 592         (MOD_MSi, SIG_BUS_FETCH): Deleted.
 593         (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
 594         (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
 595         (SET_MOD): Reflect saved_state_type change.  Set MOD_DELTA instead
 596         of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
 597         (set_sr): Reflect saved_state_type change.  Fix SR_RB handling.
 598         Use SET_MOD.
 599         (MA, L, TL, TB): Now controlled by ACE_FAST.
 600         (SEXT32): Just cast to int.
 601         (SIGN32): Fixed to only shift by 31.
 602         (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
 603         (ppi_insn): Declare.
 604         (ppi.c): Include.
 605         (init_dsp): Set target_dsp.  When it changes, switch end of
 606         sh_jump_table with sh_dsp_table.
 607         (sim_resume) Don't declare sh_jump_table0.  Use sh_jump_table instead.
 608         Don't Declare PR if it's #defined.
 609         Fix single-stepping (Was broken in Mar  6 16:59:10 patch).
 610         (sim_store_register, sim_read_register): Translate accesses to
 611         reflect saved_state_type change.
 612
 613         * interp.c (set_sr): Set sr.
 614         (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
 615         (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
 616         (DSP_R): Fix definition.
 617         (sim_resume): Remove outdated SET_SR use.
 618
 619         * interp.c (saved_state): New members for struct member asregs:
 620         rs, re, insn_end, xram_start, yram_start.
 621         (struct loop_bounds): New struct.
 622         (SKIP_INSN): New macro.
 623         (get_loop_bounds): New function.
 624         (endianw): Renamed to global_endianw.
 625         (maskw): negated bits.
 626         (PC): Now insn_ptr.
 627         (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
 628         (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
 629         (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
 630         (SIG_BUS_FETCH): Likewise
 631         (raise_exception, riat_fast): New functions.
 632         (raise_buserror, sim_stop): Use raise_exception.
 633         (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
 634         (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
 635         Reverse sense of mask argument.
 636         (FP_OP, set_dr): Use RAISE_EXCEPTION.
 637         (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
 638         Declare.  Remove redundant masking.
 639         (wwat_fast, rwat_fast): Add argument endianw.  Changed callers.
 640         (MA): Updated for change pc -> PC.
 641         (Delay_Slot): Use RIAT.
 642         (empty): Deleted.
 643         (trap): Remove argument little_endian.  Add argument endianw.
 644         Changed all callers.  Use raise_exception.
 645         (macw): Add argument endainw.  Changed all callers.
 646         (init_dsp): New function, extended after broken out of init_pointers.
 647         (sim_resume): Replace pc with insn_ptr.  Replace little_endian with
 648         endianw.  Replace nia with nip.  Reverse sense of maskb / maskw /
 649         maskl.  Implement logic for zero-overhead loops.  Don't try to
 650         interpret garbage when getting a SIGBUS at insn fetch.
 651         (sim_open): Call init_dsp.
 652         * gencode.c (tab): Use SET_NIP instead of nia = .  Use PH2T / PT2H /
 653         RAISE_EXCEPTION where appropriate.
 654         Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
 655
 656         * interp.c (sim_store_register, sim_fetch_register):
 657         Do proper endianness switch.
 658
 659         * interp.c (saved_state_type): New members for struct member asregs:
 660         xymem_select, xmem, ymem, xmem_offset, ymem_offset.
 661         (special_address): Delete.
 662         (BUSERROR): Now a two-argument predicate.
 663         (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
 664         (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
 665         (process_wlat_addr, process_wwat_addr): New functions.
 666         (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
 667         (process_rbat_addr): Likewise.
 668         (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
 669         (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
 670         (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
 671         (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
 672         (do_rdat, trap): Delete SLOW code.
 673         (SEXT32, SIGN32): New macros.
 674         (swap, swap16): Now integer in - integer out.  Changed all callers.
 675         (strswaplen, strnswap): Delete SLOW versions.
 676         (init_pointers): Initialize dsp memory selection (preliminary).
 677         (sim_store_register, sim_fetch_register): Use swap instead of
 678         big / little endian read / write functions.
 679
 680         * interp.c (maskl): Deleted.
 681         (endianw, endianb): New variables.
 682         (special_address): Now inline.
 683         (bp_holder): Put raising of buserror there, rename to:
 684         (raise_buserror).
 685         (BUSERROR): Now yields a value.  Changed all users.
 686         (wbat_big): Delete.
 687         (wlat_fast, wwat_fast, wbat_fast): New functions.
 688         (rlat_fast, rwat_fast, rbat_fast): Likewise.
 689         (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
 690         (do_rdat, do_wdat): Likewise.  Take maskl argument instead of
 691         little_endian one.  Changed caller macros.
 692         (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
 693         (strswaplen, strnswap): New functions.
 694         (trap): Use them to fix up endian mismatches;
 695         disable SYS_execve and SYS_execv; fix double address translation for
 696         SYS_pipe and SYS_stat.
 697         (sym_write, sym_read): Add endianness translation.
 698         (sym_store_register, sym_fetch_register): Add maskl local variable.
 699         (sim_open): Set endianw and endianb.
 700
 701 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 702
 703         * configure: Regenerated to track ../common/aclocal.m4 changes.
 704
 705 Wed Aug 25 07:55:23 1999  Brendan Kehoe  <brendan@cygnus.com>
 706
 707         * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
 708         union type, instead of casting to an int* then a float*.
 709         (fcnvsd FPUL,<DR_N>): Likewise.
 710         (flds <FREG_N>,FPUL): Likewise.
 711         (fsts FPUL,<FREG_N>): Likewise.
 712
 713 1999-05-08  Felix Lee  <flee@cygnus.com>
 714
 715         * configure: Regenerated to track ../common/aclocal.m4 changes.
 716
 717 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 718
 719         * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
 720         frequency at which the poll_quit callback is called.
 721         (sim_resume): Use POLL_QUIT_INTERVAL instead of a
 722         hard-coded value.
 723
 724 Thu Sep 10 02:16:39 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 725
 726         * interp.c (saved_state.asregs): Add new member pad_dummy.
 727         (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
 728         as index into saved_state.asints.
 729
 730 Mon Jun 29 19:35:24 1998  Jason Molenda  (crash@bugshack.cygnus.com)
 731
 732         * interp.c (sim_open): set endianness based on the ABFD if a -E
 733         option is not present and we have an ABFD.
 734
 735 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 736
 737         * configure: Regenerated to track ../common/aclocal.m4 changes.
 738
 739 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 740
 741         * configure: Regenerated to track ../common/aclocal.m4 changes.
 742         * config.in: Ditto.
 743
 744 Sun Apr 26 15:19:48 1998  Tom Tromey  <tromey@cygnus.com>
 745
 746         * acconfig.h: New file.
 747         * configure.in: Reverted change of Apr 24; use sinclude again.
 748
 749 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 750
 751         * configure: Regenerated to track ../common/aclocal.m4 changes.
 752         * config.in: Ditto.
 753
 754 Fri Apr 24 11:18:35 1998  Tom Tromey  <tromey@cygnus.com>
 755
 756         * configure.in: Don't call sinclude.
 757
 758 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 759
 760         * configure: Regenerated to track ../common/aclocal.m4 changes.
 761
 762 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 763
 764         * configure: Regenerated to track ../common/aclocal.m4 changes.
 765
 766 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 767
 768         * configure: Regenerated to track ../common/aclocal.m4 changes.
 769
 770 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 771
 772         * configure: Regenerated to track ../common/aclocal.m4 changes.
 773
 774 Tue Feb 17 12:49:44 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 775
 776         * interp.c (sim_fetch_register, sim_store_register): Pass in
 777         length parameter.  Return -1.
 778
 779 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 780
 781         * configure: Regenerated to track ../common/aclocal.m4 changes.
 782
 783 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 784
 785         * configure: Regenerated to track ../common/aclocal.m4 changes.
 786
 787 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 788
 789         * configure: Regenerated to track ../common/aclocal.m4 changes.
 790
 791 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 792
 793         * configure: Regenerated to track ../common/aclocal.m4 changes.
 794         * config.in: Ditto.
 795
 796 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 797
 798         * configure: Regenerated to track ../common/aclocal.m4 changes.
 799
 800 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 801
 802         * interp.c (sim_load): Pass lma_p and sim_write args to
 803         sim_load_file.
 804
 805 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 806
 807         * configure: Regenerated to track ../common/aclocal.m4 changes.
 808
 809 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 810
 811         * configure: Regenerated to track ../common/aclocal.m4 changes.
 812
 813 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 814
 815         * configure: Regenerated to track ../common/aclocal.m4 changes.
 816
 817 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 818
 819         * configure: Regenerated to track ../common/aclocal.m4 changes.
 820
 821 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 822
 823         * configure: Regenerated to track ../common/aclocal.m4 changes.
 824
 825 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 826
 827         * configure: Regenerated to track ../common/aclocal.m4 changes.
 828
 829 Tue Sep  9 20:52:21 1997  Felix Lee  <flee@cygnus.com>
 830
 831         * interp.c (sim_resume): poll_quit() at least once per call;
 832         otherwise gdb can loop sim_resume() uninterruptably.
 833
 834 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 835
 836         * configure: Regenerated to track ../common/aclocal.m4 changes.
 837
 838 Tue Sep  2 13:15:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 839
 840         * gencode.c (tab): Order instructions according to SH3 document.
 841
 842 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 843
 844         * configure: Regenerated to track ../common/aclocal.m4 changes.
 845         * config.in: Ditto.
 846
 847 Tue Aug 26 10:41:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 848
 849         * interp.c (sim_kill): Delete.
 850         (sim_create_inferior): Add ABFD argument.
 851         (sim_load): Move setting of PC from here.
 852         (sim_create_inferior): To here.
 853
 854 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 855
 856         * configure: Regenerated to track ../common/aclocal.m4 changes.
 857         * config.in: Ditto.
 858
 859 Mon Aug 25 16:17:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 860
 861         * interp.c (sim_open): Add ABFD argument.
 862
 863 Mon Jun 23 15:49:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 864
 865         * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
 866         FP's around.
 867         (set_dr): Ditto.
 868
 869 Mon Jun 23 15:02:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 870
 871         * interp.c (XD, SET_XD): Delete.
 872         (XF, SET_XF, XD_TO_XF): Define, move around registers in either
 873         FP bank.
 874
 875         * gencode.c (fmov): Update.
 876
 877 Sun Jun 22 19:33:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 878
 879         * interp.c (set_fpscr1): From J"orn Rennecke
 880         <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
 881
 882 Tue Aug 12 00:19:11 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 883
 884         * interp.c (special_address): New function.
 885         (BUSERROR): Call it.  Added parameters bits_written and data.
 886         Changed all callers.
 887         * gencode.c (tab): Fixed ocbwb and pref.
 888
 889 Fri Jun 20 22:03:18 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 890
 891         * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
 892
 893 Thu Jun 19 00:28:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 894
 895         * interp.c (sim_create_inferior): Clear registers each time an
 896         inferior is started.
 897
 898 Mon Jun 16 14:01:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 899
 900         * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
 901         when a host doesn't support IEEE FP.
 902         (*DP): Provide alternative definition that supports 64bit floating
 903         point.
 904         (target_little_endian): Combine little_endian and little_endian_p.
 905         (saved_state_type): Make fpscr and sr simple integers.
 906         (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
 907         (set_fpscr1): New function.  Handle swapping when PR / FR bits
 908         changed. Call via *_FPSCR macro.
 909         (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
 910         endian problems.
 911
 912         * gencode.c (tab): Update.
 913
 914 Sun Jun 15 15:22:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 915
 916         * gencode.c (main): Perform basic checks on tab entries.
 917
 918         * Makefile.in (gencode): Always compile with -g.
 919
 920 Sat Jun 14 13:45:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 921
 922         * gencode.c (gensim): Move ref checking code to before `stuff'.
 923         For branches with delay slots refs were not being checked.
 924
 925         * interp.c (sim_resume): Use nia to specify the next instruction
 926         address instead of overloading pc.
 927         (C): Delete definiton - refer to cycles directly.
 928         (SEXT12): New macro - sign extend a 12 bit quantity.
 929         (Delay_Slot): Rename from SL.
 930
 931         * gencode.c (tab): Update/simplify.
 932
 933         * gencode.c (gensim): Better formatting of output code.
 934         (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
 935         (tab): Sort alphabetically.  Break `stuff' into multiple lines.
 936
 937 Fri Jun 13 22:10:13 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 938
 939         * gencode.c (braf, bsrf): Fix branch destination calculation to
 940         be in accordance with the documentation.
 941
 942 Fri Jun 13 15:33:53 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 943
 944         * interp.c (init_pointers): Fix little endian test.
 945
 946 Thu Jun  5 12:56:08 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 947
 948         * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
 949         * gencode (fmov from/to memory): take endian_mismatch into account
 950         for 32 bit moves too.
 951
 952 Wed May 28 23:42:35 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 953
 954         * gencode.c (swap.b): Fix treatment of high word.
 955
 956 Wed May 28 23:42:35 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 957
 958         * sh/gencode.c,
 959         * interp.c: experimental SH4 support.
 960         DFmode moves are probaly broken for target little endian.
 961
 962 Tue May 20 10:23:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 963
 964         * interp.c (sim_open): Add callback argument.
 965         (sim_set_callbacks): Delete SIM_DESC argument.
 966
 967 Wed Apr 30 11:38:08 1997  Doug Evans  <dje@canuck.cygnus.com>
 968
 969         * Makefile.in (SIM_EXTRA_CLEAN): Define.
 970         (clean targets): Delete.
 971         (sh-clean): New target.
 972
 973 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 974
 975         * configure: Regenerated to track ../common/aclocal.m4 changes.
 976
 977 Wed Apr 23 17:55:22 1997  Doug Evans  <dje@canuck.cygnus.com>
 978
 979         * tconfig.in: New file.
 980         * interp.c (sim_open): Handle missing arg to -E.
 981
 982 Tue Apr 22 08:55:35 1997  Stu Grossman  (grossman@critters.cygnus.com)
 983
 984         * Makefile.in:  Add clean targets.
 985
 986 Fri Apr 18 18:57:04 1997  Stu Grossman  (grossman@critters.cygnus.com)
 987
 988         * interp.c:  Include float.h and define SIGTRAP if _WIN32.
 989         WIN32 -> _WIN32.
 990         * (trap):  Do do SYS_chown for _WIN32.
 991
 992 Fri Apr 18 13:33:09 1997  Doug Evans  <dje@canuck.cygnus.com>
 993
 994         * interp.c (sim_resume): Fix argument to poll_quit.
 995
 996 Fri Apr 18 14:14:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 997
 998         * interp.c (sim_stop): New function.
 999         (sim_resume): Use poll_quit for polling.
1000
1001 Thu Apr 17 03:32:04 1997  Doug Evans  <dje@canuck.cygnus.com>
1002
1003         * Makefile.in (SIM_OBJS): Add sim-load.o.
1004         * interp.c (target_byte_order): Delete.
1005         (sim_kind, myname, little_endian_p): New static locals.
1006         (init_pointers): Use little_endian_p instead of target_byte_order.
1007         (sim_resume): Likewise.
1008         (sim_open): Set sim_kind, myname.  Set little_endian_p from -E arg.
1009         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
1010         load file into simulator.  Set start address from bfd.
1011         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
1012
1013 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1014
1015         * configure: Regenerated to track ../common/aclocal.m4 changes.
1016         * config.in: Ditto.
1017
1018 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
1019
1020         * interp.c (sim_open): New arg `kind'.
1021
1022         * configure: Regenerated to track ../common/aclocal.m4 changes.
1023
1024 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1025
1026         * configure: Regenerated to track ../common/aclocal.m4 changes.
1027
1028 Wed Mar 19 09:34:36 1997  Fred Fish  <fnf@cygnus.com>
1029
1030         * interp.c (sim_do_command): Check for NULL command or empty
1031         string and handle it the same as a "help" command.  Use callback
1032         to print error message for unrecognized commands.  Replace
1033         hardcoded tab in literal string with a \t.  Other minor code
1034         cleanup.
1035
1036 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1037
1038         * configure: Regenerated to track ../common/aclocal.m4 changes.
1039
1040 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1041
1042         * configure: Re-generate.
1043
1044 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
1045
1046         * configure: Regenerate to track ../common/aclocal.m4 changes.
1047
1048 Thu Mar 13 13:00:00 1997  Doug Evans  <dje@canuck.cygnus.com>
1049
1050         * interp.c (sim_open): New SIM_DESC result.  Argument is now
1051         in argv form.
1052         (other sim_*): New SIM_DESC argument.
1053
1054 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
1055
1056         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
1057         COMMON_{PRE,POST}_CONFIG_FRAG instead.
1058         * configure.in: sinclude ../common/aclocal.m4.
1059         * configure: Regenerated.
1060
1061 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
1062
1063         * configure configure.in Makefile.in:  Update to new configure
1064         scheme which is more compatible with WinGDB builds.
1065         * configure.in:  Improve comment on how to run autoconf.
1066         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
1067         * Makefile.in:  Use autoconf substitution to install common
1068         makefile fragment.
1069
1070 Wed Nov 20 02:04:32 1996  Doug Evans  <dje@canuck.cygnus.com>
1071
1072         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
1073         (SIM_OBJS,SIM_EXTRA_LIBS): Define.
1074         * configure.in: Simplify using macros in ../common/aclocal.m4.
1075         Call AC_CHECK_HEADERS(unistd.h).
1076         * configure: Regenerated.
1077         * config.in: New file.
1078         * interp.c: #include "config.h".  #include <unistd.h> if present.
1079         (trap): Fetch errno value with callback->get_errno.
1080
1081 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
1082
1083         * interp.c: Don't include windows polling code if inside simluator.
1084
1085 Fri Sep 20 14:57:50 1996  Stan Shebs  <shebs@andros.cygnus.com>
1086
1087         * interp.c: Minor formatting improvements.
1088         (saved_state_type): Add bank registers.
1089         (bp_holder): New function, use to break on when debugging BUSERROR.
1090         (BUSERROR): Call it if bus error occurs.
1091
1092 Wed Jun 26 12:29:22 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
1093
1094         * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
1095         INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
1096         (docdir): Removed.
1097         * configure.in (AC_PREREQ): autoconf 2.5 or higher.
1098         (AC_PROG_INSTALL): Added.
1099         * configure: Rebuilt.
1100
1101 Thu May 16 15:44:29 1996  Ian Lance Taylor  <ian@cygnus.com>
1102
1103         * interp.c (saved_state_type): Add memstalls field.
1104         (MA) Define macro.
1105         (sim_resume): New local variable memstalls.  Add it back in to
1106         saved_state at the end of the function.
1107         (sim_info): Report memstalls.
1108         * gencode.c (tab): Add MA() to the execution string of all
1109         instructions which access memory.
1110
1111 Wed Feb 21 12:16:41 1996  Ian Lance Taylor  <ian@cygnus.com>
1112
1113         * configure: Regenerate with autoconf 2.7.
1114
1115 Tue Dec  5 16:38:55 1995  Stu Grossman  (grossman@cygnus.com)
1116
1117         * gencode.c (mac.l):  Don't abort GDB if executing mac.l
1118         instruction (which is unimplemented).  Generate a SIGTRAP (in the
1119         simulated target) instead.
1120
1121 Mon Dec  4 12:22:24 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1122
1123         * gencode.c (tab): Added several sh3 opcodes.
1124         (think): Added printonmatch for A_SSR and A_SPC.
1125         * interp.c (SSR, SPC): Added definitions.
1126         (saved_state_type): Added ssr and spc registers.
1127
1128 Wed Nov 29 12:39:27 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1129
1130         * gencode.c (tab): In shad/shld definitions, negate R[m] before
1131         the and operation instead of after.  For shad delete cast.  For shld
1132         use UR instead of R and delete cast.
1133
1134 Fri Nov 17 12:48:55 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1135
1136         * gencode.c (tab): Add explicit NaN support for ftrc instruction.
1137
1138 Wed Nov 15 11:25:27 1995  Stu Grossman  (grossman@cygnus.com)
1139
1140         * interp.c:  Make target_byte_order be extern to prevent SGI cc from
1141         issuing warnings about the use of common symbols.
1142
1143 Tue Nov 14 15:19:43 1995  Stu Grossman  (grossman@cygnus.com)
1144
1145         * gencode.c:  jsr, bsr and bsrf actually save pc+4 in pr, and rts
1146         actually uses pr+0.
1147
1148 Sat Oct 21 13:01:18 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1149
1150         * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
1151         program exited.
1152         (sim_get_quit_code): Delete.
1153
1154         * gencode.c (gensim): Indicate SIGILL instead of calling abort for
1155         default case.
1156
1157 Mon Oct 16 18:24:03 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1158
1159         * interp.c (saved_state_type): Move FP registers to immediately
1160         after SR.
1161
1162 Tue Oct 10 11:12:15 1995  Fred Fish  <fnf@cygnus.com>
1163
1164         * Makefile.in (BISON): Remove macro.
1165
1166 Fri Oct  6 12:08:18 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1167
1168         * interp.c (trap, case SYS_utime): Cast second arg of utime to
1169         void * to avoid compiler error.
1170
1171         * interp.c (callback): Remove last change.  It is initialized by
1172         a sim_set_callbacks call.
1173
1174 Thu Oct  5 14:13:29 1995  steve chamberlain  <sac@slash.cygnus.com>
1175
1176         * interp.c (callback): Initialize to default callback.
1177
1178 Thu Sep 28 15:26:59 1995  steve chamberlain  <sac@slash.cygnus.com>
1179
1180         * run.c: Moved to ../common.
1181         * interp.c (trap): Use gdb's callback interface.
1182         * Makefile.in: Updated.
1183
1184 Wed Sep 20 13:35:13 1995  Ian Lance Taylor  <ian@cygnus.com>
1185
1186         * Makefile.in (maintainer-clean): New synonym for realclean.
1187
1188 Wed Sep 20 09:51:50 1995  steve chamberlain  <sac@slash.cygnus.com>
1189
1190         * run.c (sim_callback_write_stdout):  New.
1191         * interp.c (trap): Call sim_callback_write_stdout when needed.
1192
1193 Mon Sep 18 18:42:27 1995  steve chamberlain  <sac@slash.cygnus.com>
1194
1195         * interp.c (trap): Remove useless code.
1196
1197 Fri Sep 15 19:30:05 1995  steve chamberlain  <sac@slash.cygnus.com>
1198
1199         * syscall.h: Copy from newlib.
1200
1201 Thu Sep 14 19:32:59 1995  Stu Grossman  (grossman@cygnus.com)
1202
1203         * gencode.c:  Back up PC by 2 for breakpoints.
1204         * interp.c:  Move fp regs beyond pc/pr/etc to avoid confusing GDB,
1205         which expect pc to immediately follow regs[].
1206
1207 Fri Sep  8 14:18:13 1995  Ian Lance Taylor  <ian@cygnus.com>
1208
1209         * configure.in: Define CC_FOR_BUILD.  Don't call AC_PROG_INSTALL.
1210         * configure: Rebuild.
1211         * Makefile.in (INSTALL): Revert to using install.sh.
1212         (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
1213         (INSTALL_XFORM, INSTALL_XFORM1): Restore.
1214         (CC_FOR_BUILD): Restore.
1215         (gencode): Build using $(CC_FOR_BUILD).
1216         (install): Don't install in $(tooldir).
1217
1218 Thu Sep  7 15:02:31 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1219
1220         (Try to) Update to new bfd autoconf scheme.
1221         * run.c: Don't include sysdep.h.
1222         * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
1223         (CC, CFLAGS, AR, RANLIB): Likewise.
1224         (HDEFINES, TDEFINES): Define.
1225         (CC_FOR_BUILD): Delete.
1226         (host_makefile_frag): Delete.
1227         (Makefile): Don't depend on frags.
1228         * configure.in (sysdep.h): Don't create symlink.
1229         (host_makefile_frag, frags): Deleted.
1230         (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
1231         * configure: Regenerated.
1232
1233 Thu Aug 31 12:39:07 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1234
1235         * interp.c: Include <math.h>.
1236
1237 Wed Aug 30 22:05:17 1995  Jeff Law  (law@snake.cs.utah.edu)
1238
1239         * Makefile.in (run): Link in math library too.
1240         * gencode.c (gensim): abort if an unknown opcode is encountered.
1241         * interp.c (FPSCR, FPUL): Define.
1242         (struct save_state): Add fields for floating point registers,
1243         FPSCR and FPUL.
1244         (sim_resume): Add 'F' for accessing floating point registers
1245         in the save state structure.
1246         * gencode.c: Add sh3e opcodes.
1247         (gensym): Define a buffer for int<->fp conversions.
1248
1249 Tue Aug 22 14:16:46 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1250
1251         * interp.c (trap): Use trap vector 34 for host system interface.
1252         * gencode.c: Add 34 to conditional which determines which traps
1253         will be handled by simulator.
1254
1255 Fri Aug 11 17:59:15 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1256
1257         * run.c: Include <signal.h>.  Define SIGQUIT if not defined.
1258         (main): New variables reason and sigrc.  After simulator exits,
1259         check to see if it exited because of a signal, and if so, then
1260         use the signal number as the return value.
1261
1262 Thu Aug  3 10:45:37 1995  Fred Fish  <fnf@cygnus.com>
1263
1264         * Update all FSF addresses except those in COPYING* files.
1265
1266 Tue Jul 18 23:33:10 1995  Fred Fish  <fnf@fishbowl>
1267
1268         * interp.c (trap): Only use SYS_execv if defined.  Might be
1269         implemented as execve(arg1,arg2,0), as with Unixware 2.0.
1270         (sim_resume): In sbit initializer, cast shifted arg to unsigned
1271         to avoid signed integer overflow.
1272
1273 Wed Jul  5 14:32:54 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1274
1275         * Makefile.in (clean): Remove run, libsim.a.
1276           (distclean, mostlyclean, realclean): Remove Makefile and
1277           autoconf files.
1278
1279         * sh.mt: Removed.
1280
1281         * Makefile.in, configure.in: converted to autoconf.
1282         * configure: New file, generated with autconf 2.4.
1283
1284 Fri Jun 30 16:51:38 1995  Stan Shebs  <shebs@andros.cygnus.com>
1285
1286         * interp.c (sim_open): If argument supplied, interpret as
1287         desired memory size.
1288         (parse_and_set_memory_size): New function.
1289         (sim_do_command): New function.
1290
1291 Thu Jun 29 10:02:28 1995  Fred Fish  <fnf@deneb.cygnus.com>
1292
1293         * interp.c  (SYS_wait): Define as SYS_wait4 if available and
1294         SYS_wait is not already defined (SunOS 4.1.3 for example).
1295         (SYS_utime): Define as SYS_utimes if available and
1296         SYS_utime is not already defined.
1297
1298 Thu Jun 22 17:25:57 1995  Steve Chamberlain  <sac@slash.cygnus.com>
1299
1300         * interp.c: Don't include sys/times.h or sys/param.h
1301
1302 Wed Jun 21 15:03:49 1995  Steve Chamberlain  <sac@slash.cygnus.com>
1303
1304         * interp.c (SIGBUS, SIGTERM): Define if not.
1305         (sim_memory_size): default to 2^19 on PCs.
1306         (sim_resume): Poll for quits on win32.
1307
1308 Wed May 24 16:22:48 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1309
1310         * gencode.c (op_tab): Add SH3 support.
1311
1312 Wed May 24 14:07:11 1995  Steve Chamberlain  <sac@slash.cygnus.com>
1313
1314         * gencode.c (tab): Add bsrf and braf.
1315
1316 Mon Apr 24 15:09:49 1995  Jason Molenda  (crash@cygnus.com)
1317
1318         * configure.in: use ../../bfd/hosts/std-host.h, not
1319         ../bfd/hosts/std-host.h (which doesn't exist).
1320
1321 Mon Mar 27 10:32:34 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1322
1323         * run.c: parse arguments with getopt().
1324
1325 Sun Feb 26 15:27:24 1995  Steve Chamberlain  <sac@cygnus.com>
1326
1327         * configure.in: Use ../../bfd/hosts/std-host.h if specific
1328         host unavailable.
1329
1330 Mon Jan 23 16:10:58 1995  Torbjorn Granlund  <tege@rtl.cygnus.com>
1331
1332         * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
1333
1334 Sun Jan 22 13:55:36 1995  Torbjorn Granlund  <tege@rtl.cygnus.com>
1335
1336         * gencode.c (op_tab): Make MAC.W call macw, not abort.
1337         * interp.c (macw): New function.
1338         (S): New #define.
1339
1340 Sat Jan 21 15:52:30 1995  Torbjorn Granlund  <tege@rtl.cygnus.com>
1341
1342         * gencode.c (op_tab): New code for ADDV and SUBV.
1343         Make MAC.L abort sicne it is not implemented.
1344
1345         * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
1346         Get rid of __GNUC__ conditional.
1347
1348 aThu Jan 19 05:50:50 1995  Torbjorn Granlund  <tege@rtl.cygnus.com>
1349
1350         * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
1351         Change ADDC for symmetry.
1352
1353         * gencode.c (op_tab): Replace code for ADDC and SUBC.
1354
1355 Mon Jan  9 15:43:53 1995  Stu Grossman  (grossman@cygnus.com)
1356
1357         * interp.c:  Remove def of INLINE.  This comes from bfd.h.  Also,
1358         declare IOMEM before using it.
1359
1360 Wed Dec 28 21:25:31 1994  Steve Chamberlain  (sac@jonny.cygnus.com)
1361
1362         * interp.c (BUSERROR): New macro.
1363         ([r|w][bwl]at[little|big]) New functions.
1364         (sim_resume): If GO32 check for interrupt every now
1365         and again.  Decrement PC if SIGBUS seen.
1366         * run.c (main):  Return result of simulated _exit.
1367
1368 Mon Dec  5 21:59:51 1994  Doug Evans  <dje@canuck.cygnus.com>
1369
1370         * Makefile.in (gencode): Allow build in different directory.
1371
1372 Wed Nov 30 17:47:13 1994  Jim Wilson  <wilson@chestnut.cygnus.com>
1373
1374         * Makefile.in (gencode): Change $< to gencode.c for portability.
1375
1376 Wed Nov 23 21:31:55 1994  Steve Chamberlain  (sac@jonny.cygnus.com)
1377
1378         * interp.c ([wr][bwl]at): New functions.
1379         (trap): Cope with both byte modes.
1380
1381 Thu Sep  8 17:35:07 1994  Steve Chamberlain  (sac@jonny.cygnus.com)
1382
1383         * gencode.c (tab): Simulate T bit after a negc insn right.
1384         * interp.c (RSBAT): Sign extend the arg.
1385         (ACE_FAST): New macro.
1386         (sim_resume): Remove obsolete test of sim_timeout.
1387
1388 Fri Aug  5 14:12:31 1994  Steve Chamberlain  (sac@jonny.cygnus.com)
1389
1390         * interp.c (IOMEM): New function, simulates very basic I/O area of
1391         the SH.
1392         (WBAT, RBAT) : Call I/O functions.
1393         * gencode.c (tab): Special case trapa #3.
1394
1395 Mon Jun 27 18:04:54 1994  Steve Chamberlain  (sac@cirdan.cygnus.com)
1396
1397         * run.c (main): Specify the file type again.
1398
1399 Thu May 26 19:04:37 1994  Steve Chamberlain  (sac@thepub.cygnus.com)
1400
1401         * interp.c (trap): Fix irix incompatibility.
1402         * run.c (main): open without specifying file type.
1403
1404 Wed May 18 14:18:53 1994  Doug Evans  (dje@canuck.cygnus.com)
1405
1406         * interp.c (sim_*): Make result void where there isn't one.
1407         (sim_set_pc): Delete.
1408         (sim_info): Delete printf_fn arg, all callers changed.
1409         Call printf_filtered instead.
1410         (sim_close): New function.
1411         (sim_load): New function.
1412         (sim_create_inferior): Renamed from sim_set_args, all callers changed.
1413         * run.c: #include <varargs.h>, "remote-sim.h".
1414         (printf_filtered): New function.
1415
1416 Wed Apr 27 12:03:48 1994  Steve Chamberlain  (sac@cygnus.com)
1417
1418         * gencode.c (table): Get direction of some opcodes right.
1419         (trapa, rte): Implement fully.
1420         * interp.c (trap): Make stat call more portable.
1421
1422 Fri Feb 11 21:59:38 1994  Steve Chamberlain  (sac@sphagnum.cygnus.com)
1423
1424         * gencode.c (main, gendefines): New -d option prints table of defines.
1425         * interp.c (trap): Add a load of system calls.
1426         (sim_memory_size): Now default to 8Mbyte.
1427         (PARANOID): Keep vector of registers with undefined contents.
1428
1429 Mon Nov 15 14:37:18 1993  Steve Chamberlain  (sac@jonny.cygnus.com)
1430
1431         * gencode.c: mova uses aligned addresses
1432         * interp.c (trap): Return results in r0.
1433
1434 Tue Oct 26 10:38:55 1993  Doug Evans  (dje@canuck.cygnus.com)
1435
1436         * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
1437         * interp.c: #include "remote-sim.h".
1438         (sim_resume): int result, new arg `siggnal'.
1439         (sim_write): Use SIM_ADDR for type of arg `addr'.
1440         (sim_read): Use SIM_ADDR for type of arg `addr'.
1441         Use unsigned char * for `buffer'.
1442         (sim_store_register): int result.
1443         (sim_fetch_register): Ditto.
1444         (sim_stop_reason): Renamed from sim_stop_signal.  New arg `reason'.
1445         (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
1446         (sim_info): int result, new args `verbose', `printf_fn'.
1447         (sim_kill): int result.
1448         (sim_open): int result, new arg `name'.
1449         * run.c: #include <stdio.h>
1450         (main): Update call to sim_info.
1451
1452 Sat Oct 23 15:09:29 1993  Doug Evans  (dje@canuck.cygnus.com)
1453
1454         * interp.c (sim_stop_signal): Result is now enum sim_stop.
1455
1456 Fri Oct  8 10:47:09 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
1457
1458         * gencode.c (table): Becomes unsigned.
1459         * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
1460         sim_read): Return number of bytes copied.  (sim_store_register):
1461         Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
1462
1463 Tue Sep  7 16:24:13 1993  Stan Shebs  (shebs@rtl.cygnus.com)
1464
1465         * interp.c (sim_info): Fix small typo in printf string.
1466
1467 Thu Aug  5 11:37:48 1993  Stan Shebs  (shebs@rtl.cygnus.com)
1468
1469         * interp.c (sim_resume): Set memory after pointers inited.
1470
1471 Mon Aug  2 14:13:22 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
1472
1473         * interp.c (get_now): Use time system call.
1474         * Makefile.in: install correctly.
1475
1476 Tue Jul  6 10:30:46 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
1477
1478         * run.c (main), interp.c (sim_set_timeout): Remove timeout
1479         functionality.
1480
1481 Thu Jun 24 13:29:57 1993  david d `zoo' zuhn  (zoo at rtl.cygnus.com)
1482
1483         * Makefile.in: don't run indent everytime; also add a space in the
1484         includes
1485
1486 Thu Jun 17 18:30:42 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
1487
1488         * gencode.c: Fix some opcodes.
1489         * interp.c: Support for profiling and portability fixes.
1490         * run.c (main): Get profiling args.
1491
1492 Wed May  5 13:17:22 1993  Steve Chamberlain  (sac@cygnus.com)
1493
1494         * gencode.c (tab): Lint for sgi compiler
1495         * interp.c: Lint for sgi compiler.
1496
1497 Mon May  3 15:25:33 1993  Steve Chamberlain  (sac@thepub.cygnus.com)
1498
1499         * run.c (main): Support for resizing simulated RAM.
1500         * Makefile.in: Support for broken makes.
1501         * interp.c, gencode.c: Lint.
1502
1503 Mon Apr 26 18:01:10 1993  Steve Chamberlain  (sac@thepub.cygnus.com)
1504
1505         * created
1506