sim/sh/ChangeLog

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