sim/sh/ChangeLog

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