sim/sh/ChangeLog

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