sim/sh/ChangeLog

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