sim/sh/ChangeLog

   1 2015-06-23  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * configure: Regenerate.
   4
   5 2015-06-12  Mike Frysinger  <vapier@gentoo.org>
   6
   7         * configure: Regenerate.
   8
   9 2015-06-12  Mike Frysinger  <vapier@gentoo.org>
  10
  11         * configure: Regenerate.
  12
  13 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
  14
  15         * sim-main.h (SIM_CPU): Delete.
  16
  17 2015-04-18  Mike Frysinger  <vapier@gentoo.org>
  18
  19         * sim-main.h (sim_cia): Delete.
  20
  21 2015-04-17  Mike Frysinger  <vapier@gentoo.org>
  22
  23         * sim-main.h (CIA_GET, CIA_SET): Delete.
  24
  25 2015-04-17  Mike Frysinger  <vapier@gentoo.org>
  26
  27         * interp.c (sh_pc_get, sh_pc_set): New functions.
  28         (sim_open): Call CPU_PC_FETCH & CPU_PC_STORE for all cpus.
  29
  30 2015-04-15  Mike Frysinger  <vapier@gentoo.org>
  31
  32         * Makefile.in (SIM_OBJS): Delete sim-cpu.o.
  33         * sim-main.h (STATE_CPU): Delete.
  34
  35 2015-04-13  Mike Frysinger  <vapier@gentoo.org>
  36
  37         * configure: Regenerate.
  38
  39 2015-04-06  Mike Frysinger  <vapier@gentoo.org>
  40
  41         * Makefile.in (SIM_OBJS): Delete sim-engine.o.
  42
  43 2015-03-31  Mike Frysinger  <vapier@gentoo.org>
  44
  45         * config.in, configure: Regenerate.
  46
  47 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
  48
  49         * Makefile.in (SIM_RUN_OBJS, SIM_EXTRA_CFLAGS): Delete.
  50         (SIM_OBJS): Change to $(SIM_NEW_COMMON_OBJS).
  51         * interp.c: Delete run-sim.h include.  Include sim-main.h, sim-base.h,
  52         and sim-options.h.
  53         (SEXT, SEXT32): Undefine.
  54         (sim_write): Delete prototype.
  55         (regstacktype, saved_state_type): Move to sim-main.h.
  56         (target_little_endian): Replace with CURRENT_TARGET_BYTE_ORDER.
  57         (host_little_endian): Replace with CURRENT_HOST_BYTE_ORDER.
  58         (sim_kind, myname, tracing, sim_stop, sim_trace, sim_set_profile,
  59         sim_set_profile_size, sim_load, sim_set_callbacks,
  60         sim_complete_command): Delete.
  61         (sim_size): Mark static.
  62         (init_pointers): Delete host_little_endian setup.
  63         (sim_resume): Delete tracing check.
  64         (free_state): New cleanup function.
  65         (sim_open): Rewrite to use new common logic.
  66         (sim_create_inferior): Call init_dsp.
  67         * sim-main.h: New file.
  68         * tconfig.h: Delete file.
  69
  70 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
  71
  72         * gencode.c (ppi_gensim): Convert old style prototype with ppi_insn.
  73         * interp.c: Include ctype.h and run-sim.h.
  74         [HAVE_TIME_H]: Include time.h
  75         [HAVE_SYS_TIME_H]: Include sys/time.h
  76         [!_WIN32]: Include utime.h and sys/wait.h.
  77         (set_fpscr1, raise_exception, raise_buserror, get_dr, set_dr, set_sr,
  78         do_rdat, do_wdat, process_wlat_addr, process_wwat_addr,
  79         process_wbat_addr, process_rlat_addr, process_rwat_addr,
  80         process_rbat_addr, IOMEM, get_now, now_persec, swapout, swapout16,
  81         ptr, strswaplen, strnswap, dmul, macw, macl, get_loop_bounds_ext,
  82         get_loop_bounds, sim_size, init_dsp, init_pointers, dump_profile,
  83         gotcall, sim_stop, sim_write, sim_read, sim_store_register,
  84         sim_fetch_register, sim_trace, sim_stop_reason, sim_info,
  85         sim_set_profile, sim_set_profile_size, sim_open,
  86         parse_and_set_memory_size, sim_close, sim_load, sim_create_inferior,
  87         sim_do_command, sim_set_callbacks): Convert old style prototype.
  88         (fail): Delete unused function.
  89         (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
  90         Delete unused prototypes.
  91         (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast,
  92         swap, swap16):
  93         Convert old style prototype and move INLINE before the type.
  94         (trap): Convert old style prototype.  Add casts to wait and sim_write
  95         calls.
  96         (div1): Convert old style prototype.  Change return to void.
  97         (do_long_move_insn, do_blog_insn, fsca_s, fsrra_s, mcalloc): Mark
  98         static.
  99         (sim_resume): Convert old style prototype.  Align printf format and
 100         args.
 101
 102 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
 103
 104         * gencode.c (ppi_gensim): Add missing */.  Change case 4 to case 5.
 105
 106 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
 107
 108         * Makefile.in (gencode): Add $(BUILD_CFLAGS), $(BUILD_LDFLAGS),
 109         and $(WARN_CFLAGS).
 110         * gencode.c: Include ctype.h, stdlib.h, string.h, and unistd.h.
 111         (struct op): Mark members const.
 112         (tab): Mark static.
 113         (nibble_type_list): Mark const.
 114         (arg_type_list): Mark const.
 115         (make_enum_list): Delete unused func.
 116         (qfunc, expand_opcode, dumptable, expand_ppi_code): Convert old
 117         style prototype and mark args const.
 118         (sorttab, gengastab, conflict_warn, filltable, expand_ppi_movxy,
 119         gensim, ppi_filltable): Convert old style prototype.
 120         (gensim_caselist): Convert old style prototype.  Mark local
 121         variables s and r const.
 122         (gendefines): Convert old style prototype.  Mark s const.  Move
 123         tolower call into printf statement.
 124         (ppi_gensim): Convert old style prototype.  Mark local variable
 125         s const.
 126         (main): Convert old style prototype.  Change printf %d to %zu.
 127
 128 2015-03-28  Mike Frysinger  <vapier@gentoo.org>
 129
 130         * config.in, configure: Regenerate.
 131         * configure.ac: Call SIM_AC_OPTION_ENDIAN, SIM_AC_OPTION_ALIGNMENT,
 132         SIM_AC_OPTION_HOSTENDIAN, SIM_AC_OPTION_ENVIRONMENT,
 133         SIM_AC_OPTION_INLINE, SIM_AC_OPTION_WARNINGS.
 134
 135 2015-03-16  Mike Frysinger  <vapier@gentoo.org>
 136
 137         * config.in, configure: Regenerate.
 138         * tconfig.in: Rename file ...
 139         * tconfig.h: ... here.
 140
 141 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 142
 143         * Makefile.in (SIM_EXTRA_CFLAGS): Set to
 144         -DSIM_USE_DEPRECATED_RUN_FRONTEND.
 145         (SIM_RUN_OBJS): Set to run.o.
 146
 147 2015-03-14  Mike Frysinger  <vapier@gentoo.org>
 148
 149         * configure.ac (AC_CHECK_HEADERS): Delete.
 150         * aclocal.m4, configure: Regenerate.
 151
 152 2014-10-14  Oleg Endo <olegendo@gcc.gnu.org>  (tiny patch)
 153
 154         * gencode.c (fabs, fneg): Implement as integer operation
 155         instead of using the FP_UNARY macro.
 156
 157 2014-08-19  Alan Modra  <amodra@gmail.com>
 158
 159         * configure: Regenerate.
 160
 161 2014-08-15  Roland McGrath  <mcgrathr@google.com>
 162
 163         * configure: Regenerate.
 164         * config.in: Regenerate.
 165
 166 2014-03-10  Mike Frysinger  <vapier@gentoo.org>
 167
 168         * interp.c (parse_and_set_memory_size): Add const to str.
 169         (sim_do_command): Add const to cmd and sms_cmd.
 170
 171 2014-03-05  Mike Frysinger  <vapier@gentoo.org>
 172
 173         * interp.c (sim_load): Add const to prog.
 174
 175 2014-02-17  Mike Frysinger  <vapier@gentoo.org>
 176
 177         PR gdb/16450
 178         * interp.c (control_c): Delete.
 179         (sim_resume): Delete signal(SIGINT) handling.
 180
 181 2013-09-23  Alan Modra  <amodra@gmail.com>
 182
 183         * configure: Regenerate.
 184
 185 2013-06-03  Mike Frysinger  <vapier@gentoo.org>
 186
 187         * aclocal.m4, configure: Regenerate.
 188
 189 2012-06-15  Joel Brobecker  <brobecker@adacore.com>
 190
 191         * config.in, configure: Regenerate.
 192
 193 2012-03-24  Mike Frysinger  <vapier@gentoo.org>
 194
 195         * aclocal.m4, config.in, configure: Regenerate.
 196
 197 2012-02-16  Kevin Buettner  <kevinb@redhat.com>
 198
 199         * interp.c (MA): Adjust cast to avoid warning on 64-bit hosts.
 200
 201         * interp.c (sim_store_register, sim_fetch_register): Return
 202         length, not -1.
 203
 204 2011-12-03  Mike Frysinger  <vapier@gentoo.org>
 205
 206         * aclocal.m4: New file.
 207         * configure: Regenerate.
 208
 209 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 210
 211         * configure.ac: Change include to common/acinclude.m4.
 212
 213 2011-10-17  Mike Frysinger  <vapier@gentoo.org>
 214
 215         * configure.ac: Change AC_PREREQ to 2.64.  Delete AC_CONFIG_HEADER
 216         call.  Replace common.m4 include with SIM_AC_COMMON.
 217         * configure: Regenerate.
 218
 219 2011-04-16  Mike Frysinger  <vapier@gentoo.org>
 220
 221         * interp.c (sim_complete_command): New stub function.
 222
 223 2010-04-14  Mike Frysinger  <vapier@gentoo.org>
 224
 225         * interp.c (sim_write): Add const to buffer arg.
 226
 227 2010-01-12  Masaki Muranaka  <monaka@monami-software.com>
 228
 229         * interp.c: Don't include sysdep.h.
 230         Include stdio.h and errno.h.
 231         Include string.h strings.h stdlib.h sys/stat.h if present.
 232
 233 2010-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 234
 235         * configure: Regenerate.
 236
 237 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 238
 239         * config.in: Regenerate.
 240         * configure: Likewise.
 241
 242         * configure: Regenerate.
 243
 244 2008-07-11  Hans-Peter Nilsson  <hp@axis.com>
 245
 246         * configure: Regenerate to track ../common/common.m4 changes.
 247         * config.in: Ditto.
 248
 249 2008-06-06  Vladimir Prus  <vladimir@codesourcery.com>
 250             Daniel Jacobowitz  <dan@codesourcery.com>
 251             Joseph Myers  <joseph@codesourcery.com>
 252
 253         * configure: Regenerate.
 254
 255 2008-02-04  Antony King  <antony.king@st.com>
 256
 257         * interp.c (macl): Fix non-portable implementation.
 258
 259 2007-10-08  Andrew Stubbs  <andrew.stubbs@st.com>
 260
 261         * gencode.c (tab): Add RAISE_EXCEPTION_IF_IN_DELAY_SLOT to the
 262         definition of PC relative 'mov.l'/'mov.w' and also 'mova'.
 263
 264 2007-03-02  Andrew Stubbs  <andrew.stubbs@st.com>
 265
 266         * gencode.c (tab): Correct pre-decrement instructions when m == n.
 267
 268 2006-12-21  Hans-Peter Nilsson  <hp@axis.com>
 269
 270         * acconfig.h: Remove.
 271         * config.in: Regenerate.
 272
 273 2006-06-13  Richard Earnshaw  <rearnsha@arm.com>
 274
 275         * configure: Regenerated.
 276
 277 2006-06-05  Daniel Jacobowitz  <dan@codesourcery.com>
 278
 279         * configure: Regenerated.
 280
 281 2006-05-31  Daniel Jacobowitz  <dan@codesourcery.com>
 282
 283         * configure: Regenerated.
 284
 285 2005-11-10  Andrew Stubbs  <andrew.stubbs@st.com>
 286
 287         * interp.c (sim_memory_size): Use same amount of memory on Windows as
 288         elsewhere.
 289
 290 2005-09-19  J"orn Rennecke <joern.rennecke@st.com>
 291
 292         * interp.c (<sys/mman.h>): Include.
 293         (mcalloc): New function / macro.
 294         (mfree): New macro.
 295         (sim_size): Use mcalloc and mfree.
 296
 297 2005-08-02  J"orn Rennecke <joern.rennecke@st.com>
 298
 299         * interp.c (strswaplen): Add one for '\0' delimiter.
 300
 301 2005-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
 302
 303         * gencode.c (tab): Avoid lvalue casts.  Suggested by
 304         Ralf Corsepius <ralf.corsepius@rtems.org>.
 305
 306 2005-04-12  Jonathan Larmour  <jifl@eCosCentric.com>
 307
 308         * gencode.c (tab): Avoid inserting code before variables all declared.
 309
 310 2005-03-23  Mark Kettenis  <kettenis@gnu.org>
 311
 312         * configure: Regenerate.
 313
 314 2005-01-14  Andrew Cagney  <cagney@gnu.org>
 315
 316         * configure.ac: Sinclude aclocal.m4 before common.m4.  Add
 317         explicit call to AC_CONFIG_HEADER.
 318         * configure: Regenerate.
 319
 320 2005-01-12  Andrew Cagney  <cagney@gnu.org>
 321
 322         * configure.ac: Update to use ../common/common.m4.
 323         * configure: Re-generate.
 324
 325 2005-01-11  Andrew Cagney  <cagney@localhost.localdomain>
 326
 327         * configure: Regenerated to track ../common/aclocal.m4 changes.
 328
 329 2005-01-07  Andrew Cagney  <cagney@gnu.org>
 330
 331         * configure.ac: Rename configure.in, require autoconf 2.59.
 332         * configure: Re-generate.
 333
 334 2004-12-08  Hans-Peter Nilsson  <hp@axis.com>
 335
 336         * configure: Regenerate for ../common/aclocal.m4 update.
 337
 338 2004-09-08  DJ Delorie  <dj@redhat.com>
 339
 340         Commited by Corinna Vinschen <vinschen@redhat.com>
 341         * gencode.c (movua.l): Compensate for endianness.
 342
 343 2004-09-08  Corinna Vinschen  <vinschen@redhat.com>
 344
 345         * interp.c (RAISE_EXCEPTION_IF_IN_DELAY_SLOT): New macro.
 346         (in_delay_slot): New flag variable.
 347         (Delay_Slot): Set in_delay_slot.
 348         (sim_resume): Reset in_delay_slot after leaving code switch.
 349         * gencode.c (op tab): Call RAISE_EXCEPTION_IF_IN_DELAY_SLOT for all
 350         instructions not allowed in delay slots.
 351
 352 2004-09-08  Michael Snyder  <msnyder@redhat.com>
 353
 354         Commited by Corinna Vinschen <vinschen@redhat.com>
 355         Introduce SH2a support.
 356         * interp.c: Change type of jump table to short.  Add various macros.
 357         (sim_load): Save the bfd machine code.
 358         (sim_create_inferior): Ditto.
 359         (union saved_state_type): Add tbr, ibnr and ibcr registers.
 360         Move bfd_mach to end of struct.  Add regstack pointer.
 361         (init_dsp): Don't swap contents of sh_dsp_table any more.  Instead
 362         use it directly in its own switch statement.  Allocate space for 512
 363         register banks.
 364         (do_long_move_insn): New function.
 365         (do_blog_insn): Ditto.
 366         (trap): Use trap #13 and trap #14 to set ibnr and ibcr.
 367         * gencode.c: Move movx/movy insns into separate switch statement.
 368         (op tab): Add sh2a insns.  Reject instructions that are disabled
 369         on that chip.
 370         (gensim_caselist): Generate default case here instead of in caller.
 371         (gensim): Generate two separate switch statements.  Call
 372         gensim_caselist once for each (for movsxy_tab and for tab).
 373         Add tokens for r15 and multiple regs.
 374         (conflict_warn, warn_conflicts): Add for debugging.
 375
 376 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
 377
 378         * gencode.c (tab): For shad snd shld, fix result for
 379         (op1 < 0 && shift_amount == 0).
 380
 381 2004-02-02  Michael Snyder  <msnyder@redhat.com>
 382
 383         * gencode.c (movua.l): Set thislock to 0, not n.
 384
 385 2004-02-12  Michael Snyder  <msnyder@redhat.com>
 386
 387         * gencode.c (table): Change from char to short.
 388         (dumptable): Change generated table from char to short.
 389         * interp.c (sh_jump_table, sh_dsp_table, ppi_table): char to short.
 390         (init_dsp): Compute size of sh_dsp_table.
 391         (sim_resume): Change jump_table from char to short.
 392
 393 2004-01-27  Michael Snyder  <msnyder@redhat.com>
 394
 395         * gencode.c: (op tab): Some refs and defs fixes.
 396         "fsrra" -> "fsrra <FREG_N>".
 397         "sleep": replace array ref with array addr.
 398         "trapa": ditto.
 399         Comment and whitespace clean-ups.
 400
 401 2004-01-07  Michael Snyder  <msnyder@redhat.com>
 402
 403         * gencode.c: Whitespace cleanup.
 404         * interp.c: Ditto.
 405
 406         * gencode.c: Replace 'Hitachi' with 'Renesas'.
 407         (op tab): Add new instructions for sh4a, DBR, SBR.
 408         (expand_opcode): Add handling for new movxy combinations.
 409         (gensym_caselist): Ditto.
 410         (expand_ppi_movxy): Remove movx/movy expansions,
 411         now handled in expand_opcode.
 412         (gensym): Add some helpful macros.
 413         (expand_ppi_code): Flatten loop for simplicity, tweak for 12-bit
 414         instead of 8-bit table (some insns are ambiguous to 8 bits).
 415         (ppi_gensim, main): Generate 12-bit instead of 8-bit ppi table.
 416
 417         * interp.c: Replace 'Hitachi' with 'Renesas'.
 418         (union saved_state_type): Add dbr, sgr, ldst.
 419         (get_loop_bounds_ext): New function.
 420         (init_dsp): Add bfd_mach_sh4al_dsp.
 421         (sim_resume): Handle extended loop bounds.
 422
 423 2003-12-18  Michael Snyder  <msnyder@redhat.com>
 424
 425         * gencode.c (expand_opcode): Simplify and reorganize.
 426         Eliminate "shift" parameter.  Eliminate "4 bits at a time"
 427         assumption.  Flatten switch statement to a single level.
 428         Add "eeee" token for even-numbered registers.
 429         (bton): Delete.
 430         (fsca): Use "eeee" token.
 431         (ppi_moves): Rename to "expand_ppi_movxy".  Do the ddt
 432         [movx/movy] expansion here, as well as the ppi expansion.
 433         (gensim_caselist): Accept 'eeee' along with 'nnnn'.
 434
 435 2003-11-03  J"orn Rennecke <joern.rennecke@superh.com>
 436
 437         * interp.c (fsca_s, fsrra_s): New functions.
 438         * gencode.c (tab): Add entries for fsca and fsrra.
 439         (expand_opcode): Allow variable length n / m fields.
 440
 441 2003-10-15  J"orn Rennecke <joern.rennecke@superh.com>
 442
 443         * syscall.h (SYS_truncate, SYS_ftruncate): Define.
 444         * interp.c (trap): Add support for SYS_ftruncate and SYS_truncate.
 445
 446 2003-08-11  Shrinivas Atre  <shrinivasa@KPITCummins.com>
 447         * sim/sh/gencode.c ( tab[] ): Addition of MAC.L handler and
 448         correction for MAC.W handler
 449         * sim/sh/interp.c ( macl ): New Function. Implementation of
 450         MAC.L handler.
 451
 452 2003-08-07  Michael Snyder  <msnyder@redhat.com>
 453
 454         * gencode.c (expand_ppi_code): Comment spelling fix.
 455
 456 2003-07-25  Michael Snyder  <msnyder@redhat.com>
 457
 458         * gencode.c (pshl): Change < to <= (shift by 16 is allowed).
 459         Cast argument of >> to unsigned to prevent sign extension.
 460         (psha): Change < to <= (shift by 32 is allowed).
 461
 462 2003-07-24  Michael Snyder  <msnyder@redhat.com>
 463
 464         * gencode.c: Fix typo in comment.
 465
 466 2003-07-23  Michael Snyder  <msnyder@redhat.com>
 467
 468         * gencode.c: A few more fix-ups of refs and defs.
 469         (frchg): Raise SIGILL if in double-precision mode.
 470         (ldtlb): We don't simulate cache, so this is a no-op.
 471         (movsxy_tab): Correct a few bit pattern errors.
 472
 473 2003-07-09  Michael Snyder  <msnyder@redhat.com>
 474
 475         * gencode.c (prnd): Clear LSW of result to zeros.
 476         * gencode.c (pmuls): Expression is mis-parenthesized.
 477         * gencode.c (ppi_gensim): For a conditional ppi insn, if the
 478         condition is false, we want to return (not break).  A break
 479         will take us to the end of the function where registers will
 480         be updated, whereas the desired outcome is for nothing to change.
 481
 482 2003-07-03  Michael Snyder  <msnyder@redhat.com>
 483
 484         * gencode.c (movs): Fix a couple of text transpositions.
 485
 486 2003-06-27  Michael Snyder  <msnyder@redhat.com>
 487
 488         * gencode.c (op tab): Some fix-ups of refs and defs.
 489         (ocbi, ocbp): Cache not simulated, but may cause memory fault.
 490         (gensym_caselist): Add default case to switch statement.
 491         (expand_ppi_code): Add default case to switch statement.
 492         * gencode.c (op tab): Implement movca.l.
 493         * gencode.c (op movsxy_tab): Fix an error in the bit pattern.
 494         * gencode.c (gensim_caselist): The movy instructions use
 495         registers R6 and R7 (not R4 and R5 like the movx insns).
 496
 497 2003-06-27  Michael Snyder  <msnyder@redhat.com>
 498
 499         * gencode.c (op movsxy_tab): Fix up some copy/paste errors
 500         in name: s/REG_x/REG_y/.
 501
 502         * gencode.c (op tab): Move misplaced semicolon.
 503
 504 2003-02-27  Andrew Cagney  <cagney@redhat.com>
 505
 506         * interp.c (init_dsp, sim_open, sim_create_inferior): Rename _bfd
 507         to bfd.
 508
 509 Fri Oct 11 16:22:28 2002  J"orn Rennecke <joern.rennecke@superh.com>
 510
 511         * interp.c (trap): Return int.  Take extra parameter for address
 512         of the trap instruction.  Changed all callers.
 513         Add case 33 for profiling.
 514         * gencode.c (trapa): Handle trap 33 using the trap function.
 515         Add read of vector for generic traps.
 516
 517 Wed Jul 17 19:36:38 2002  J"orn Rennecke <joern.rennecke@superh.com>
 518
 519         * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
 520         * interp.c: Include "gdb/sim-sh.h".
 521         (sim_store_register, sim_fetch_register): Use constants defined there.
 522
 523 Tue Jun 18 16:53:11 2002  J"orn Rennecke <joern.rennecke@superh.com>
 524
 525         * interp.c (sim_resume): Fix setting of bus error for
 526         instruction fetch.
 527
 528 2002-06-16  Andrew Cagney  <ac131313@redhat.com>
 529
 530         * configure: Regenerated to track ../common/aclocal.m4 changes.
 531
 532 2002-06-08  Andrew Cagney  <cagney@redhat.com>
 533
 534         * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
 535
 536 2001-01-30  Ben Elliston  <bje@redhat.com>
 537
 538         * interp.c (sim_create_inferior): Record program arguments for
 539         later inspection by the trap handler.
 540         (count_argc): New function.
 541         (prog_argv): Declare static.
 542         (sim_write): Declare.
 543         (trap): Implement argc, argnlen and argn system calls. Do not
 544         abort on unknown system calls--simply return -1.
 545         * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
 546
 547 2001-01-24  Alexandre Oliva  <aoliva@redhat.com>
 548
 549         * interp.c (trap): Implement time.
 550
 551 2000-10-24  Ben Elliston  <bje@redhat.com>
 552
 553         * gencode.c (tab): Delimit strings with commas where applicable.
 554
 555 Tue May 23 21:39:23 2000  Andrew Cagney  <cagney@b1.cygnus.com>
 556
 557         * configure: Regenerated to track ../common/aclocal.m4 changes.
 558
 559 Mon May 15 22:04:51 2000  J"orn Rennecke <amylaar@cygnus.co.uk>
 560
 561 sh-dsp support, simulator speedup by using host byte order:
 562
 563         * Makefile.in (interp.o): Depends on ppi.c .
 564         (ppi.c): New rule.
 565         * gencode.c (printonmatch, think, genopc): Deleted.
 566         (MAX_NR_STUFF): Now 42.
 567         (tab): Add SH-DSP CPU instructions.
 568         Amalgamate ldc / stc / lds / sts instructions with similar
 569         bit patterns.  Fix opcodes of stc Rm_BANK,@-<REG_N>.
 570         Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
 571         (movsxy_tab): New array.
 572         For movs, change MMMM field to GGGG, and mmmm field to MMMM.
 573         Added entries for movx, movy and parallel processing insns.
 574         (ppi_tab): New array.
 575         (qfunc): Stabilize sort.
 576         (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
 577         Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
 578         (dumptable): Now takes three arguments.  Changed all callers.
 579         Emit just one contigous jump table.
 580         (filltable): Now takes an argument.  Changed all callers.
 581         Make index static.
 582         (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
 583         (gensim_caselist): New function, broken out of gensim.
 584         Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
 585         Handle ref '9'.
 586         (gensim): Handle 'N' in code field and '8' in refs field.
 587         Call gensim_caselist - twice.
 588         (ppi_index): New static variable.
 589         (main): Unsupport default action.
 590         Add dsp support for -x / -s option.  Add -p option.
 591         * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
 592         (saved_state_type): Rearrange to allow amalgamated ldc / stc /
 593         lds / sts to work efficiently.
 594         (target_dsp): New static variable.
 595         (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
 596         (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
 597         (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
 598         (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
 599         (set_fpscr1): Likewise.  Use target_dsp to check for dsp.
 600         (MOD_MSi, SIG_BUS_FETCH): Deleted.
 601         (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
 602         (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
 603         (SET_MOD): Reflect saved_state_type change.  Set MOD_DELTA instead
 604         of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
 605         (set_sr): Reflect saved_state_type change.  Fix SR_RB handling.
 606         Use SET_MOD.
 607         (MA, L, TL, TB): Now controlled by ACE_FAST.
 608         (SEXT32): Just cast to int.
 609         (SIGN32): Fixed to only shift by 31.
 610         (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
 611         (ppi_insn): Declare.
 612         (ppi.c): Include.
 613         (init_dsp): Set target_dsp.  When it changes, switch end of
 614         sh_jump_table with sh_dsp_table.
 615         (sim_resume) Don't declare sh_jump_table0.  Use sh_jump_table instead.
 616         Don't Declare PR if it's #defined.
 617         Fix single-stepping (Was broken in Mar  6 16:59:10 patch).
 618         (sim_store_register, sim_read_register): Translate accesses to
 619         reflect saved_state_type change.
 620
 621         * interp.c (set_sr): Set sr.
 622         (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
 623         (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
 624         (DSP_R): Fix definition.
 625         (sim_resume): Remove outdated SET_SR use.
 626
 627         * interp.c (saved_state): New members for struct member asregs:
 628         rs, re, insn_end, xram_start, yram_start.
 629         (struct loop_bounds): New struct.
 630         (SKIP_INSN): New macro.
 631         (get_loop_bounds): New function.
 632         (endianw): Renamed to global_endianw.
 633         (maskw): negated bits.
 634         (PC): Now insn_ptr.
 635         (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
 636         (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
 637         (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
 638         (SIG_BUS_FETCH): Likewise
 639         (raise_exception, riat_fast): New functions.
 640         (raise_buserror, sim_stop): Use raise_exception.
 641         (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
 642         (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
 643         Reverse sense of mask argument.
 644         (FP_OP, set_dr): Use RAISE_EXCEPTION.
 645         (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
 646         Declare.  Remove redundant masking.
 647         (wwat_fast, rwat_fast): Add argument endianw.  Changed callers.
 648         (MA): Updated for change pc -> PC.
 649         (Delay_Slot): Use RIAT.
 650         (empty): Deleted.
 651         (trap): Remove argument little_endian.  Add argument endianw.
 652         Changed all callers.  Use raise_exception.
 653         (macw): Add argument endainw.  Changed all callers.
 654         (init_dsp): New function, extended after broken out of init_pointers.
 655         (sim_resume): Replace pc with insn_ptr.  Replace little_endian with
 656         endianw.  Replace nia with nip.  Reverse sense of maskb / maskw /
 657         maskl.  Implement logic for zero-overhead loops.  Don't try to
 658         interpret garbage when getting a SIGBUS at insn fetch.
 659         (sim_open): Call init_dsp.
 660         * gencode.c (tab): Use SET_NIP instead of nia = .  Use PH2T / PT2H /
 661         RAISE_EXCEPTION where appropriate.
 662         Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
 663
 664         * interp.c (sim_store_register, sim_fetch_register):
 665         Do proper endianness switch.
 666
 667         * interp.c (saved_state_type): New members for struct member asregs:
 668         xymem_select, xmem, ymem, xmem_offset, ymem_offset.
 669         (special_address): Delete.
 670         (BUSERROR): Now a two-argument predicate.
 671         (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
 672         (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
 673         (process_wlat_addr, process_wwat_addr): New functions.
 674         (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
 675         (process_rbat_addr): Likewise.
 676         (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
 677         (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
 678         (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
 679         (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
 680         (do_rdat, trap): Delete SLOW code.
 681         (SEXT32, SIGN32): New macros.
 682         (swap, swap16): Now integer in - integer out.  Changed all callers.
 683         (strswaplen, strnswap): Delete SLOW versions.
 684         (init_pointers): Initialize dsp memory selection (preliminary).
 685         (sim_store_register, sim_fetch_register): Use swap instead of
 686         big / little endian read / write functions.
 687
 688         * interp.c (maskl): Deleted.
 689         (endianw, endianb): New variables.
 690         (special_address): Now inline.
 691         (bp_holder): Put raising of buserror there, rename to:
 692         (raise_buserror).
 693         (BUSERROR): Now yields a value.  Changed all users.
 694         (wbat_big): Delete.
 695         (wlat_fast, wwat_fast, wbat_fast): New functions.
 696         (rlat_fast, rwat_fast, rbat_fast): Likewise.
 697         (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
 698         (do_rdat, do_wdat): Likewise.  Take maskl argument instead of
 699         little_endian one.  Changed caller macros.
 700         (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
 701         (strswaplen, strnswap): New functions.
 702         (trap): Use them to fix up endian mismatches;
 703         disable SYS_execve and SYS_execv; fix double address translation for
 704         SYS_pipe and SYS_stat.
 705         (sym_write, sym_read): Add endianness translation.
 706         (sym_store_register, sym_fetch_register): Add maskl local variable.
 707         (sim_open): Set endianw and endianb.
 708
 709 Thu Sep  2 18:15:53 1999  Andrew Cagney  <cagney@b1.cygnus.com>
 710
 711         * configure: Regenerated to track ../common/aclocal.m4 changes.
 712
 713 Wed Aug 25 07:55:23 1999  Brendan Kehoe  <brendan@cygnus.com>
 714
 715         * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
 716         union type, instead of casting to an int* then a float*.
 717         (fcnvsd FPUL,<DR_N>): Likewise.
 718         (flds <FREG_N>,FPUL): Likewise.
 719         (fsts FPUL,<FREG_N>): Likewise.
 720
 721 1999-05-08  Felix Lee  <flee@cygnus.com>
 722
 723         * configure: Regenerated to track ../common/aclocal.m4 changes.
 724
 725 1999-04-02  Keith Seitz  <keiths@cygnus.com>
 726
 727         * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
 728         frequency at which the poll_quit callback is called.
 729         (sim_resume): Use POLL_QUIT_INTERVAL instead of a
 730         hard-coded value.
 731
 732 Thu Sep 10 02:16:39 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 733
 734         * interp.c (saved_state.asregs): Add new member pad_dummy.
 735         (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
 736         as index into saved_state.asints.
 737
 738 Mon Jun 29 19:35:24 1998  Jason Molenda  (crash@bugshack.cygnus.com)
 739
 740         * interp.c (sim_open): set endianness based on the ABFD if a -E
 741         option is not present and we have an ABFD.
 742
 743 Tue Apr 28 18:33:31 1998  Geoffrey Noer  <noer@cygnus.com>
 744
 745         * configure: Regenerated to track ../common/aclocal.m4 changes.
 746
 747 Sun Apr 26 15:31:55 1998  Tom Tromey  <tromey@creche>
 748
 749         * configure: Regenerated to track ../common/aclocal.m4 changes.
 750         * config.in: Ditto.
 751
 752 Sun Apr 26 15:19:48 1998  Tom Tromey  <tromey@cygnus.com>
 753
 754         * acconfig.h: New file.
 755         * configure.in: Reverted change of Apr 24; use sinclude again.
 756
 757 Fri Apr 24 14:16:40 1998  Tom Tromey  <tromey@creche>
 758
 759         * configure: Regenerated to track ../common/aclocal.m4 changes.
 760         * config.in: Ditto.
 761
 762 Fri Apr 24 11:18:35 1998  Tom Tromey  <tromey@cygnus.com>
 763
 764         * configure.in: Don't call sinclude.
 765
 766 Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 767
 768         * configure: Regenerated to track ../common/aclocal.m4 changes.
 769
 770 Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 771
 772         * configure: Regenerated to track ../common/aclocal.m4 changes.
 773
 774 Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 775
 776         * configure: Regenerated to track ../common/aclocal.m4 changes.
 777
 778 Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 779
 780         * configure: Regenerated to track ../common/aclocal.m4 changes.
 781
 782 Tue Feb 17 12:49:44 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 783
 784         * interp.c (sim_fetch_register, sim_store_register): Pass in
 785         length parameter.  Return -1.
 786
 787 Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 788
 789         * configure: Regenerated to track ../common/aclocal.m4 changes.
 790
 791 Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>
 792
 793         * configure: Regenerated to track ../common/aclocal.m4 changes.
 794
 795 Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>
 796
 797         * configure: Regenerated to track ../common/aclocal.m4 changes.
 798
 799 Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 800
 801         * configure: Regenerated to track ../common/aclocal.m4 changes.
 802         * config.in: Ditto.
 803
 804 Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>
 805
 806         * configure: Regenerated to track ../common/aclocal.m4 changes.
 807
 808 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 809
 810         * interp.c (sim_load): Pass lma_p and sim_write args to
 811         sim_load_file.
 812
 813 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 814
 815         * configure: Regenerated to track ../common/aclocal.m4 changes.
 816
 817 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 818
 819         * configure: Regenerated to track ../common/aclocal.m4 changes.
 820
 821 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 822
 823         * configure: Regenerated to track ../common/aclocal.m4 changes.
 824
 825 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 826
 827         * configure: Regenerated to track ../common/aclocal.m4 changes.
 828
 829 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 830
 831         * configure: Regenerated to track ../common/aclocal.m4 changes.
 832
 833 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 834
 835         * configure: Regenerated to track ../common/aclocal.m4 changes.
 836
 837 Tue Sep  9 20:52:21 1997  Felix Lee  <flee@cygnus.com>
 838
 839         * interp.c (sim_resume): poll_quit() at least once per call;
 840         otherwise gdb can loop sim_resume() uninterruptably.
 841
 842 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 843
 844         * configure: Regenerated to track ../common/aclocal.m4 changes.
 845
 846 Tue Sep  2 13:15:27 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 847
 848         * gencode.c (tab): Order instructions according to SH3 document.
 849
 850 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 851
 852         * configure: Regenerated to track ../common/aclocal.m4 changes.
 853         * config.in: Ditto.
 854
 855 Tue Aug 26 10:41:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 856
 857         * interp.c (sim_kill): Delete.
 858         (sim_create_inferior): Add ABFD argument.
 859         (sim_load): Move setting of PC from here.
 860         (sim_create_inferior): To here.
 861
 862 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 863
 864         * configure: Regenerated to track ../common/aclocal.m4 changes.
 865         * config.in: Ditto.
 866
 867 Mon Aug 25 16:17:51 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 868
 869         * interp.c (sim_open): Add ABFD argument.
 870
 871 Mon Jun 23 15:49:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 872
 873         * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
 874         FP's around.
 875         (set_dr): Ditto.
 876
 877 Mon Jun 23 15:02:40 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 878
 879         * interp.c (XD, SET_XD): Delete.
 880         (XF, SET_XF, XD_TO_XF): Define, move around registers in either
 881         FP bank.
 882
 883         * gencode.c (fmov): Update.
 884
 885 Sun Jun 22 19:33:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 886
 887         * interp.c (set_fpscr1): From J"orn Rennecke
 888         <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
 889
 890 Tue Aug 12 00:19:11 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 891
 892         * interp.c (special_address): New function.
 893         (BUSERROR): Call it.  Added parameters bits_written and data.
 894         Changed all callers.
 895         * gencode.c (tab): Fixed ocbwb and pref.
 896
 897 Fri Jun 20 22:03:18 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 898
 899         * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
 900
 901 Thu Jun 19 00:28:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 902
 903         * interp.c (sim_create_inferior): Clear registers each time an
 904         inferior is started.
 905
 906 Mon Jun 16 14:01:55 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 907
 908         * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
 909         when a host doesn't support IEEE FP.
 910         (*DP): Provide alternative definition that supports 64bit floating
 911         point.
 912         (target_little_endian): Combine little_endian and little_endian_p.
 913         (saved_state_type): Make fpscr and sr simple integers.
 914         (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
 915         (set_fpscr1): New function.  Handle swapping when PR / FR bits
 916         changed. Call via *_FPSCR macro.
 917         (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
 918         endian problems.
 919
 920         * gencode.c (tab): Update.
 921
 922 Sun Jun 15 15:22:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 923
 924         * gencode.c (main): Perform basic checks on tab entries.
 925
 926         * Makefile.in (gencode): Always compile with -g.
 927
 928 Sat Jun 14 13:45:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 929
 930         * gencode.c (gensim): Move ref checking code to before `stuff'.
 931         For branches with delay slots refs were not being checked.
 932
 933         * interp.c (sim_resume): Use nia to specify the next instruction
 934         address instead of overloading pc.
 935         (C): Delete definiton - refer to cycles directly.
 936         (SEXT12): New macro - sign extend a 12 bit quantity.
 937         (Delay_Slot): Rename from SL.
 938
 939         * gencode.c (tab): Update/simplify.
 940
 941         * gencode.c (gensim): Better formatting of output code.
 942         (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
 943         (tab): Sort alphabetically.  Break `stuff' into multiple lines.
 944
 945 Fri Jun 13 22:10:13 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 946
 947         * gencode.c (braf, bsrf): Fix branch destination calculation to
 948         be in accordance with the documentation.
 949
 950 Fri Jun 13 15:33:53 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 951
 952         * interp.c (init_pointers): Fix little endian test.
 953
 954 Thu Jun  5 12:56:08 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 955
 956         * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
 957         * gencode (fmov from/to memory): take endian_mismatch into account
 958         for 32 bit moves too.
 959
 960 Wed May 28 23:42:35 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 961
 962         * gencode.c (swap.b): Fix treatment of high word.
 963
 964 Wed May 28 23:42:35 1997  J"orn Rennecke <amylaar@cygnus.co.uk>
 965
 966         * sh/gencode.c,
 967         * interp.c: experimental SH4 support.
 968         DFmode moves are probaly broken for target little endian.
 969
 970 Tue May 20 10:23:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 971
 972         * interp.c (sim_open): Add callback argument.
 973         (sim_set_callbacks): Delete SIM_DESC argument.
 974
 975 Wed Apr 30 11:38:08 1997  Doug Evans  <dje@canuck.cygnus.com>
 976
 977         * Makefile.in (SIM_EXTRA_CLEAN): Define.
 978         (clean targets): Delete.
 979         (sh-clean): New target.
 980
 981 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 982
 983         * configure: Regenerated to track ../common/aclocal.m4 changes.
 984
 985 Wed Apr 23 17:55:22 1997  Doug Evans  <dje@canuck.cygnus.com>
 986
 987         * tconfig.in: New file.
 988         * interp.c (sim_open): Handle missing arg to -E.
 989
 990 Tue Apr 22 08:55:35 1997  Stu Grossman  (grossman@critters.cygnus.com)
 991
 992         * Makefile.in:  Add clean targets.
 993
 994 Fri Apr 18 18:57:04 1997  Stu Grossman  (grossman@critters.cygnus.com)
 995
 996         * interp.c:  Include float.h and define SIGTRAP if _WIN32.
 997         WIN32 -> _WIN32.
 998         * (trap):  Do do SYS_chown for _WIN32.
 999
1000 Fri Apr 18 13:33:09 1997  Doug Evans  <dje@canuck.cygnus.com>
1001
1002         * interp.c (sim_resume): Fix argument to poll_quit.
1003
1004 Fri Apr 18 14:14:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
1005
1006         * interp.c (sim_stop): New function.
1007         (sim_resume): Use poll_quit for polling.
1008
1009 Thu Apr 17 03:32:04 1997  Doug Evans  <dje@canuck.cygnus.com>
1010
1011         * Makefile.in (SIM_OBJS): Add sim-load.o.
1012         * interp.c (target_byte_order): Delete.
1013         (sim_kind, myname, little_endian_p): New static locals.
1014         (init_pointers): Use little_endian_p instead of target_byte_order.
1015         (sim_resume): Likewise.
1016         (sim_open): Set sim_kind, myname.  Set little_endian_p from -E arg.
1017         (sim_load): Return SIM_RC.  New arg abfd.  Call sim_load_file to
1018         load file into simulator.  Set start address from bfd.
1019         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
1020
1021 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1022
1023         * configure: Regenerated to track ../common/aclocal.m4 changes.
1024         * config.in: Ditto.
1025
1026 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
1027
1028         * interp.c (sim_open): New arg `kind'.
1029
1030         * configure: Regenerated to track ../common/aclocal.m4 changes.
1031
1032 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1033
1034         * configure: Regenerated to track ../common/aclocal.m4 changes.
1035
1036 Wed Mar 19 09:34:36 1997  Fred Fish  <fnf@cygnus.com>
1037
1038         * interp.c (sim_do_command): Check for NULL command or empty
1039         string and handle it the same as a "help" command.  Use callback
1040         to print error message for unrecognized commands.  Replace
1041         hardcoded tab in literal string with a \t.  Other minor code
1042         cleanup.
1043
1044 Wed Mar 19 01:14:00 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1045
1046         * configure: Regenerated to track ../common/aclocal.m4 changes.
1047
1048 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
1049
1050         * configure: Re-generate.
1051
1052 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
1053
1054         * configure: Regenerate to track ../common/aclocal.m4 changes.
1055
1056 Thu Mar 13 13:00:00 1997  Doug Evans  <dje@canuck.cygnus.com>
1057
1058         * interp.c (sim_open): New SIM_DESC result.  Argument is now
1059         in argv form.
1060         (other sim_*): New SIM_DESC argument.
1061
1062 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
1063
1064         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
1065         COMMON_{PRE,POST}_CONFIG_FRAG instead.
1066         * configure.in: sinclude ../common/aclocal.m4.
1067         * configure: Regenerated.
1068
1069 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
1070
1071         * configure configure.in Makefile.in:  Update to new configure
1072         scheme which is more compatible with WinGDB builds.
1073         * configure.in:  Improve comment on how to run autoconf.
1074         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
1075         * Makefile.in:  Use autoconf substitution to install common
1076         makefile fragment.
1077
1078 Wed Nov 20 02:04:32 1996  Doug Evans  <dje@canuck.cygnus.com>
1079
1080         * Makefile.in: Delete stuff moved to ../common/Make-common.in.
1081         (SIM_OBJS,SIM_EXTRA_LIBS): Define.
1082         * configure.in: Simplify using macros in ../common/aclocal.m4.
1083         Call AC_CHECK_HEADERS(unistd.h).
1084         * configure: Regenerated.
1085         * config.in: New file.
1086         * interp.c: #include "config.h".  #include <unistd.h> if present.
1087         (trap): Fetch errno value with callback->get_errno.
1088
1089 Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>
1090
1091         * interp.c: Don't include windows polling code if inside simluator.
1092
1093 Fri Sep 20 14:57:50 1996  Stan Shebs  <shebs@andros.cygnus.com>
1094
1095         * interp.c: Minor formatting improvements.
1096         (saved_state_type): Add bank registers.
1097         (bp_holder): New function, use to break on when debugging BUSERROR.
1098         (BUSERROR): Call it if bus error occurs.
1099
1100 Wed Jun 26 12:29:22 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
1101
1102         * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
1103         INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
1104         (docdir): Removed.
1105         * configure.in (AC_PREREQ): autoconf 2.5 or higher.
1106         (AC_PROG_INSTALL): Added.
1107         * configure: Rebuilt.
1108
1109 Thu May 16 15:44:29 1996  Ian Lance Taylor  <ian@cygnus.com>
1110
1111         * interp.c (saved_state_type): Add memstalls field.
1112         (MA) Define macro.
1113         (sim_resume): New local variable memstalls.  Add it back in to
1114         saved_state at the end of the function.
1115         (sim_info): Report memstalls.
1116         * gencode.c (tab): Add MA() to the execution string of all
1117         instructions which access memory.
1118
1119 Wed Feb 21 12:16:41 1996  Ian Lance Taylor  <ian@cygnus.com>
1120
1121         * configure: Regenerate with autoconf 2.7.
1122
1123 Tue Dec  5 16:38:55 1995  Stu Grossman  (grossman@cygnus.com)
1124
1125         * gencode.c (mac.l):  Don't abort GDB if executing mac.l
1126         instruction (which is unimplemented).  Generate a SIGTRAP (in the
1127         simulated target) instead.
1128
1129 Mon Dec  4 12:22:24 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1130
1131         * gencode.c (tab): Added several sh3 opcodes.
1132         (think): Added printonmatch for A_SSR and A_SPC.
1133         * interp.c (SSR, SPC): Added definitions.
1134         (saved_state_type): Added ssr and spc registers.
1135
1136 Wed Nov 29 12:39:27 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1137
1138         * gencode.c (tab): In shad/shld definitions, negate R[m] before
1139         the and operation instead of after.  For shad delete cast.  For shld
1140         use UR instead of R and delete cast.
1141
1142 Fri Nov 17 12:48:55 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1143
1144         * gencode.c (tab): Add explicit NaN support for ftrc instruction.
1145
1146 Wed Nov 15 11:25:27 1995  Stu Grossman  (grossman@cygnus.com)
1147
1148         * interp.c:  Make target_byte_order be extern to prevent SGI cc from
1149         issuing warnings about the use of common symbols.
1150
1151 Tue Nov 14 15:19:43 1995  Stu Grossman  (grossman@cygnus.com)
1152
1153         * gencode.c:  jsr, bsr and bsrf actually save pc+4 in pr, and rts
1154         actually uses pr+0.
1155
1156 Sat Oct 21 13:01:18 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1157
1158         * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
1159         program exited.
1160         (sim_get_quit_code): Delete.
1161
1162         * gencode.c (gensim): Indicate SIGILL instead of calling abort for
1163         default case.
1164
1165 Mon Oct 16 18:24:03 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1166
1167         * interp.c (saved_state_type): Move FP registers to immediately
1168         after SR.
1169
1170 Tue Oct 10 11:12:15 1995  Fred Fish  <fnf@cygnus.com>
1171
1172         * Makefile.in (BISON): Remove macro.
1173
1174 Fri Oct  6 12:08:18 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1175
1176         * interp.c (trap, case SYS_utime): Cast second arg of utime to
1177         void * to avoid compiler error.
1178
1179         * interp.c (callback): Remove last change.  It is initialized by
1180         a sim_set_callbacks call.
1181
1182 Thu Oct  5 14:13:29 1995  steve chamberlain  <sac@slash.cygnus.com>
1183
1184         * interp.c (callback): Initialize to default callback.
1185
1186 Thu Sep 28 15:26:59 1995  steve chamberlain  <sac@slash.cygnus.com>
1187
1188         * run.c: Moved to ../common.
1189         * interp.c (trap): Use gdb's callback interface.
1190         * Makefile.in: Updated.
1191
1192 Wed Sep 20 13:35:13 1995  Ian Lance Taylor  <ian@cygnus.com>
1193
1194         * Makefile.in (maintainer-clean): New synonym for realclean.
1195
1196 Wed Sep 20 09:51:50 1995  steve chamberlain  <sac@slash.cygnus.com>
1197
1198         * run.c (sim_callback_write_stdout):  New.
1199         * interp.c (trap): Call sim_callback_write_stdout when needed.
1200
1201 Mon Sep 18 18:42:27 1995  steve chamberlain  <sac@slash.cygnus.com>
1202
1203         * interp.c (trap): Remove useless code.
1204
1205 Fri Sep 15 19:30:05 1995  steve chamberlain  <sac@slash.cygnus.com>
1206
1207         * syscall.h: Copy from newlib.
1208
1209 Thu Sep 14 19:32:59 1995  Stu Grossman  (grossman@cygnus.com)
1210
1211         * gencode.c:  Back up PC by 2 for breakpoints.
1212         * interp.c:  Move fp regs beyond pc/pr/etc to avoid confusing GDB,
1213         which expect pc to immediately follow regs[].
1214
1215 Fri Sep  8 14:18:13 1995  Ian Lance Taylor  <ian@cygnus.com>
1216
1217         * configure.in: Define CC_FOR_BUILD.  Don't call AC_PROG_INSTALL.
1218         * configure: Rebuild.
1219         * Makefile.in (INSTALL): Revert to using install.sh.
1220         (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
1221         (INSTALL_XFORM, INSTALL_XFORM1): Restore.
1222         (CC_FOR_BUILD): Restore.
1223         (gencode): Build using $(CC_FOR_BUILD).
1224         (install): Don't install in $(tooldir).
1225
1226 Thu Sep  7 15:02:31 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1227
1228         (Try to) Update to new bfd autoconf scheme.
1229         * run.c: Don't include sysdep.h.
1230         * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
1231         (CC, CFLAGS, AR, RANLIB): Likewise.
1232         (HDEFINES, TDEFINES): Define.
1233         (CC_FOR_BUILD): Delete.
1234         (host_makefile_frag): Delete.
1235         (Makefile): Don't depend on frags.
1236         * configure.in (sysdep.h): Don't create symlink.
1237         (host_makefile_frag, frags): Deleted.
1238         (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
1239         * configure: Regenerated.
1240
1241 Thu Aug 31 12:39:07 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1242
1243         * interp.c: Include <math.h>.
1244
1245 Wed Aug 30 22:05:17 1995  Jeff Law  (law@snake.cs.utah.edu)
1246
1247         * Makefile.in (run): Link in math library too.
1248         * gencode.c (gensim): abort if an unknown opcode is encountered.
1249         * interp.c (FPSCR, FPUL): Define.
1250         (struct save_state): Add fields for floating point registers,
1251         FPSCR and FPUL.
1252         (sim_resume): Add 'F' for accessing floating point registers
1253         in the save state structure.
1254         * gencode.c: Add sh3e opcodes.
1255         (gensym): Define a buffer for int<->fp conversions.
1256
1257 Tue Aug 22 14:16:46 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1258
1259         * interp.c (trap): Use trap vector 34 for host system interface.
1260         * gencode.c: Add 34 to conditional which determines which traps
1261         will be handled by simulator.
1262
1263 Fri Aug 11 17:59:15 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1264
1265         * run.c: Include <signal.h>.  Define SIGQUIT if not defined.
1266         (main): New variables reason and sigrc.  After simulator exits,
1267         check to see if it exited because of a signal, and if so, then
1268         use the signal number as the return value.
1269
1270 Thu Aug  3 10:45:37 1995  Fred Fish  <fnf@cygnus.com>
1271
1272         * Update all FSF addresses except those in COPYING* files.
1273
1274 Tue Jul 18 23:33:10 1995  Fred Fish  <fnf@fishbowl>
1275
1276         * interp.c (trap): Only use SYS_execv if defined.  Might be
1277         implemented as execve(arg1,arg2,0), as with Unixware 2.0.
1278         (sim_resume): In sbit initializer, cast shifted arg to unsigned
1279         to avoid signed integer overflow.
1280
1281 Wed Jul  5 14:32:54 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1282
1283         * Makefile.in (clean): Remove run, libsim.a.
1284           (distclean, mostlyclean, realclean): Remove Makefile and
1285           autoconf files.
1286
1287         * sh.mt: Removed.
1288
1289         * Makefile.in, configure.in: converted to autoconf.
1290         * configure: New file, generated with autconf 2.4.
1291
1292 Fri Jun 30 16:51:38 1995  Stan Shebs  <shebs@andros.cygnus.com>
1293
1294         * interp.c (sim_open): If argument supplied, interpret as
1295         desired memory size.
1296         (parse_and_set_memory_size): New function.
1297         (sim_do_command): New function.
1298
1299 Thu Jun 29 10:02:28 1995  Fred Fish  <fnf@deneb.cygnus.com>
1300
1301         * interp.c  (SYS_wait): Define as SYS_wait4 if available and
1302         SYS_wait is not already defined (SunOS 4.1.3 for example).
1303         (SYS_utime): Define as SYS_utimes if available and
1304         SYS_utime is not already defined.
1305
1306 Thu Jun 22 17:25:57 1995  Steve Chamberlain  <sac@slash.cygnus.com>
1307
1308         * interp.c: Don't include sys/times.h or sys/param.h
1309
1310 Wed Jun 21 15:03:49 1995  Steve Chamberlain  <sac@slash.cygnus.com>
1311
1312         * interp.c (SIGBUS, SIGTERM): Define if not.
1313         (sim_memory_size): default to 2^19 on PCs.
1314         (sim_resume): Poll for quits on win32.
1315
1316 Wed May 24 16:22:48 1995  Jim Wilson  <wilson@chestnut.cygnus.com>
1317
1318         * gencode.c (op_tab): Add SH3 support.
1319
1320 Wed May 24 14:07:11 1995  Steve Chamberlain  <sac@slash.cygnus.com>
1321
1322         * gencode.c (tab): Add bsrf and braf.
1323
1324 Mon Apr 24 15:09:49 1995  Jason Molenda  (crash@cygnus.com)
1325
1326         * configure.in: use ../../bfd/hosts/std-host.h, not
1327         ../bfd/hosts/std-host.h (which doesn't exist).
1328
1329 Mon Mar 27 10:32:34 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
1330
1331         * run.c: parse arguments with getopt().
1332
1333 Sun Feb 26 15:27:24 1995  Steve Chamberlain  <sac@cygnus.com>
1334
1335         * configure.in: Use ../../bfd/hosts/std-host.h if specific
1336         host unavailable.
1337
1338 Mon Jan 23 16:10:58 1995  Torbjorn Granlund  <tege@rtl.cygnus.com>
1339
1340         * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
1341
1342 Sun Jan 22 13:55:36 1995  Torbjorn Granlund  <tege@rtl.cygnus.com>
1343
1344         * gencode.c (op_tab): Make MAC.W call macw, not abort.
1345         * interp.c (macw): New function.
1346         (S): New #define.
1347
1348 Sat Jan 21 15:52:30 1995  Torbjorn Granlund  <tege@rtl.cygnus.com>
1349
1350         * gencode.c (op_tab): New code for ADDV and SUBV.
1351         Make MAC.L abort sicne it is not implemented.
1352
1353         * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
1354         Get rid of __GNUC__ conditional.
1355
1356 aThu Jan 19 05:50:50 1995  Torbjorn Granlund  <tege@rtl.cygnus.com>
1357
1358         * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
1359         Change ADDC for symmetry.
1360
1361         * gencode.c (op_tab): Replace code for ADDC and SUBC.
1362
1363 Mon Jan  9 15:43:53 1995  Stu Grossman  (grossman@cygnus.com)
1364
1365         * interp.c:  Remove def of INLINE.  This comes from bfd.h.  Also,
1366         declare IOMEM before using it.
1367
1368 Wed Dec 28 21:25:31 1994  Steve Chamberlain  (sac@jonny.cygnus.com)
1369
1370         * interp.c (BUSERROR): New macro.
1371         ([r|w][bwl]at[little|big]) New functions.
1372         (sim_resume): If GO32 check for interrupt every now
1373         and again.  Decrement PC if SIGBUS seen.
1374         * run.c (main):  Return result of simulated _exit.
1375
1376 Mon Dec  5 21:59:51 1994  Doug Evans  <dje@canuck.cygnus.com>
1377
1378         * Makefile.in (gencode): Allow build in different directory.
1379
1380 Wed Nov 30 17:47:13 1994  Jim Wilson  <wilson@chestnut.cygnus.com>
1381
1382         * Makefile.in (gencode): Change $< to gencode.c for portability.
1383
1384 Wed Nov 23 21:31:55 1994  Steve Chamberlain  (sac@jonny.cygnus.com)
1385
1386         * interp.c ([wr][bwl]at): New functions.
1387         (trap): Cope with both byte modes.
1388
1389 Thu Sep  8 17:35:07 1994  Steve Chamberlain  (sac@jonny.cygnus.com)
1390
1391         * gencode.c (tab): Simulate T bit after a negc insn right.
1392         * interp.c (RSBAT): Sign extend the arg.
1393         (ACE_FAST): New macro.
1394         (sim_resume): Remove obsolete test of sim_timeout.
1395
1396 Fri Aug  5 14:12:31 1994  Steve Chamberlain  (sac@jonny.cygnus.com)
1397
1398         * interp.c (IOMEM): New function, simulates very basic I/O area of
1399         the SH.
1400         (WBAT, RBAT) : Call I/O functions.
1401         * gencode.c (tab): Special case trapa #3.
1402
1403 Mon Jun 27 18:04:54 1994  Steve Chamberlain  (sac@cirdan.cygnus.com)
1404
1405         * run.c (main): Specify the file type again.
1406
1407 Thu May 26 19:04:37 1994  Steve Chamberlain  (sac@thepub.cygnus.com)
1408
1409         * interp.c (trap): Fix irix incompatibility.
1410         * run.c (main): open without specifying file type.
1411
1412 Wed May 18 14:18:53 1994  Doug Evans  (dje@canuck.cygnus.com)
1413
1414         * interp.c (sim_*): Make result void where there isn't one.
1415         (sim_set_pc): Delete.
1416         (sim_info): Delete printf_fn arg, all callers changed.
1417         Call printf_filtered instead.
1418         (sim_close): New function.
1419         (sim_load): New function.
1420         (sim_create_inferior): Renamed from sim_set_args, all callers changed.
1421         * run.c: #include <varargs.h>, "remote-sim.h".
1422         (printf_filtered): New function.
1423
1424 Wed Apr 27 12:03:48 1994  Steve Chamberlain  (sac@cygnus.com)
1425
1426         * gencode.c (table): Get direction of some opcodes right.
1427         (trapa, rte): Implement fully.
1428         * interp.c (trap): Make stat call more portable.
1429
1430 Fri Feb 11 21:59:38 1994  Steve Chamberlain  (sac@sphagnum.cygnus.com)
1431
1432         * gencode.c (main, gendefines): New -d option prints table of defines.
1433         * interp.c (trap): Add a load of system calls.
1434         (sim_memory_size): Now default to 8Mbyte.
1435         (PARANOID): Keep vector of registers with undefined contents.
1436
1437 Mon Nov 15 14:37:18 1993  Steve Chamberlain  (sac@jonny.cygnus.com)
1438
1439         * gencode.c: mova uses aligned addresses
1440         * interp.c (trap): Return results in r0.
1441
1442 Tue Oct 26 10:38:55 1993  Doug Evans  (dje@canuck.cygnus.com)
1443
1444         * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
1445         * interp.c: #include "remote-sim.h".
1446         (sim_resume): int result, new arg `siggnal'.
1447         (sim_write): Use SIM_ADDR for type of arg `addr'.
1448         (sim_read): Use SIM_ADDR for type of arg `addr'.
1449         Use unsigned char * for `buffer'.
1450         (sim_store_register): int result.
1451         (sim_fetch_register): Ditto.
1452         (sim_stop_reason): Renamed from sim_stop_signal.  New arg `reason'.
1453         (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
1454         (sim_info): int result, new args `verbose', `printf_fn'.
1455         (sim_kill): int result.
1456         (sim_open): int result, new arg `name'.
1457         * run.c: #include <stdio.h>
1458         (main): Update call to sim_info.
1459
1460 Sat Oct 23 15:09:29 1993  Doug Evans  (dje@canuck.cygnus.com)
1461
1462         * interp.c (sim_stop_signal): Result is now enum sim_stop.
1463
1464 Fri Oct  8 10:47:09 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
1465
1466         * gencode.c (table): Becomes unsigned.
1467         * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
1468         sim_read): Return number of bytes copied.  (sim_store_register):
1469         Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
1470
1471 Tue Sep  7 16:24:13 1993  Stan Shebs  (shebs@rtl.cygnus.com)
1472
1473         * interp.c (sim_info): Fix small typo in printf string.
1474
1475 Thu Aug  5 11:37:48 1993  Stan Shebs  (shebs@rtl.cygnus.com)
1476
1477         * interp.c (sim_resume): Set memory after pointers inited.
1478
1479 Mon Aug  2 14:13:22 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
1480
1481         * interp.c (get_now): Use time system call.
1482         * Makefile.in: install correctly.
1483
1484 Tue Jul  6 10:30:46 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
1485
1486         * run.c (main), interp.c (sim_set_timeout): Remove timeout
1487         functionality.
1488
1489 Thu Jun 24 13:29:57 1993  david d `zoo' zuhn  (zoo at rtl.cygnus.com)
1490
1491         * Makefile.in: don't run indent everytime; also add a space in the
1492         includes
1493
1494 Thu Jun 17 18:30:42 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
1495
1496         * gencode.c: Fix some opcodes.
1497         * interp.c: Support for profiling and portability fixes.
1498         * run.c (main): Get profiling args.
1499
1500 Wed May  5 13:17:22 1993  Steve Chamberlain  (sac@cygnus.com)
1501
1502         * gencode.c (tab): Lint for sgi compiler
1503         * interp.c: Lint for sgi compiler.
1504
1505 Mon May  3 15:25:33 1993  Steve Chamberlain  (sac@thepub.cygnus.com)
1506
1507         * run.c (main): Support for resizing simulated RAM.
1508         * Makefile.in: Support for broken makes.
1509         * interp.c, gencode.c: Lint.
1510
1511 Mon Apr 26 18:01:10 1993  Steve Chamberlain  (sac@thepub.cygnus.com)
1512
1513         * created
1514