sim/d10v/ChangeLog

   1 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
   2
   3         * interp.c (pc_addr): Discard upper bit(s) of PC in case
   4         IMAP1 selects unified memory.
   5         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
   6         for end condition.
   7
   8 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   9
  10         * configure: Regenerated to track ../common/aclocal.m4 changes.
  11
  12 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  13
  14         * configure: Regenerated to track ../common/aclocal.m4 changes.
  15
  16 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  17
  18         * configure: Regenerated to track ../common/aclocal.m4 changes.
  19
  20 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  21
  22         * configure: Regenerated to track ../common/aclocal.m4 changes.
  23
  24 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  25
  26         * configure: Regenerated to track ../common/aclocal.m4 changes.
  27
  28 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
  29
  30         * interp.c (sim_resume): Increment PC at end of rep
  31         loop.
  32
  33         * simops.c (OP_4201): Fix rachi instruction.
  34
  35 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
  36
  37         * configure: Regenerated to track ../common/aclocal.m4 changes.
  38
  39 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  40
  41         * configure: Regenerated to track ../common/aclocal.m4 changes.
  42         * config.in: Ditto.
  43
  44 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  45
  46         * interp.c (sim_kill): Delete.
  47         (sim_create_inferior): Add ABFD argument.
  48         (sim_load): Move setting of PC from here.
  49         (sim_create_inferior): To here.
  50         (start_address): Delete variable.
  51
  52 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  53
  54         * configure: Regenerated to track ../common/aclocal.m4 changes.
  55         * config.in: Ditto.
  56
  57 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  58
  59         * interp.c (sim_open): Add ABFD argument.
  60
  61 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  62
  63         * interp.c (sim_open): Add callback argument.
  64         (sim_set_callbacks): Remove SIM_DESC argument.
  65
  66 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
  67
  68         * configure: Regenerated to track ../common/aclocal.m4 changes.
  69
  70 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
  71
  72         * interp.c (sim_open): Undo patch to add -E support.
  73
  74 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  75
  76         * interp.c (sim_stop): New function.
  77
  78 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
  79
  80         * Makefile.in (SIM_OBJS): Add sim-load.o.
  81         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
  82         * interp.c: #include bfd.h.
  83         (myname, sim_kind, start_address): New static locals.
  84         (prog_bfd_was_opened_p, prog_bfd): New static locals.
  85         (decode_pc): Update to use prog_bfd.
  86         (sim_open): Set sim_kind, myname.  Ignore -E arg.
  87         (sim_close): Close prog_bfd if simulator opened it.
  88         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
  89         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
  90         Call sim_load_file to load file into simulator.
  91         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
  92
  93 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  94
  95         * simops.c (OP_5F00): Only provide system calls SYS_execv,
  96         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
  97
  98 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  99
 100         * configure: Regenerated to track ../common/aclocal.m4 changes.
 101         * config.in: Ditto.
 102
 103 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 104
 105         * interp.c (sim_open): New arg `kind'.
 106
 107         * configure: Regenerated to track ../common/aclocal.m4 changes.
 108
 109 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 110
 111         * configure: Regenerated to track ../common/aclocal.m4 changes.
 112
 113 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 114
 115         * configure: Re-generate.
 116
 117 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 118
 119         * configure: Regenerate to track ../common/aclocal.m4 changes.
 120
 121         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 122         as trap 0, which will be deprecated.  Only set errno, if an error
 123         in fact was returned.
 124
 125 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 126
 127         * interp.c: Delete redundant prototypes of sim_foo fns.
 128         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 129         (other sim_*): New SIM_DESC argument.
 130
 131 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 132
 133         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 134         callback functions.
 135         (OP_5F00): Ditto.
 136         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 137         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 138         setting the carry bit after an add or a subtract.
 139
 140 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 141
 142         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 143         40 bits of accumulators.  Sign/zero extend as appropriate.
 144
 145 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 146
 147         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 148         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 149         * configure.in: sinclude ../common/aclocal.m4.
 150         * configure: Regenerated.
 151
 152 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 153
 154         * configure configure.in Makefile.in:  Update to new configure
 155         scheme which is more compatible with WinGDB builds.
 156         * configure.in:  Improve comment on how to run autoconf.
 157         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 158         * Makefile.in:  Use autoconf substitution to install common
 159         makefile fragment.
 160
 161 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 162
 163         * gencode.c: patch to not #include "d10v_sim.h" which
 164         unecessarily includes bfd.h and causes wingdb configure
 165         to fail.
 166
 167 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 168
 169         * interp.c (xfer_mem): Change unified memory to 0x0.
 170
 171 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 172
 173         * simops.c (OP_3E01): Fix tracing information.
 174         (OP_300{0,1}): Do not propigate sign.
 175
 176 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 177
 178         * config.in (WORDS_BIGENDIAN): Add.
 179         * configure: Regenerated.
 180         * d10v_sim.h: #include "config.h"
 181
 182 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 183
 184         * gencode.c (write_opcodes): Eliminate warnings when generated
 185         table.c is compiled.
 186
 187 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 188
 189         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 190         was not returned.
 191         (dmem_addr): If address is illegal or in I/O space, signal a bus
 192         error.
 193         (pc_addr): Signal bus error, not illegal instruction for bogus
 194         pc.
 195
 196 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 197
 198         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 199         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 200         * configure.in: Simplify using macros in ../common/aclocal.m4.
 201         Call AC_CHECK_HEADERS(unistd.h).
 202         * configure: Regenerated.
 203         * config.in: New file.
 204         * interp.c: #include "callback.h".
 205         * simops.c: #include "config.h".  #include <unistd.h> if present.
 206
 207 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 208
 209         * d10v-sim.h (simops): Add flag is_long.
 210         (State): Add pc_changed.  Instructions which update the PC should
 211         use the JMP macro which sets this.
 212         (JMP): New macro.  Sets the PC and the pc_changed flag.
 213
 214         * gencode.c (write_opcodes): Add is_long field.
 215
 216         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 217         to a long opcode we could get a false match.  Check the opcode size.
 218         (hash): Add a size field to the hash table.
 219         (sim_open): Initialize size field in hash table.
 220         (sim_resume): Change to logic for setting the PC.  Used to increment the
 221         PC if it had not been changed.  This didn't allow single-instruction loops.
 222         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 223         (dmem_addr): Fix translation of data segments to unified memory.
 224         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 225
 226         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 227         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 228         a ldi.s instruction.
 229
 230 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 231
 232         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 233         updating the accumulators was overwriting other parts of the global
 234         State variable.
 235
 236 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 237
 238         * interp.c (bfd.h) Don't include it here any more.
 239         (text{,_start,_end}): Move here from simops.c and make extern.
 240         (decode_pc): New function to return the PC as an address that the
 241         debugger can use.
 242         (dmem_addr): Print decoded PC in error message.
 243         (pc_addr): Ditto.
 244
 245         * simops.c (bfd.h) Don't include it here any more.
 246         (text{,_start,_end}): Move to simops.c.
 247         (trace_input_func): Move decoding of PC, and looking up .text
 248         start to decode_pc.
 249
 250         * d10v_sim.h (bfd.h): Include it here.
 251         (text{,_start,_end}): Add external declarations.
 252         (exec_bfd): Ditto.
 253         (decode_pc): Ditto.
 254
 255 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 256
 257         * interp.c (sim_size): Now allocates unified memory for imap segments
 258         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 259         (sim_write): Just call xfer_mem().
 260         (sim_read): Just call xfer_mem().
 261         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 262         (dmem_addr): New function. Reads dmap register and translates data
 263         addresses to local addresses.
 264         (pc_addr): New function. Reads imap register and computes local address
 265         corresponding to contents of the PC.
 266         (sim_resume): Change to use pc_addr().
 267         (sim_create_inferior): Change reinitialization code. Also reinitializes
 268         imap[01] and dmap.
 269         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 270         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 271
 272         * simops.c (MEMPTR): Redefine to use dmem_addr().
 273         (OP_5F00): Replace references to STate.imem with dmem_addr().
 274
 275         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 276         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 277         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 278
 279 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 280
 281         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 282         better statistics, like not counting NOPS as parallel
 283         instructions, and printing total cycles.
 284         (ins_type_counters): Make unsigned long.
 285         (left_nops,right_nops): Fold into ins_type_counters.
 286
 287         * simops.c (trace_input_func): Print new instruction types.
 288         Handle OP_R2R3 as input types.
 289         (OP_{38000000,7000}): Correctly sign extend bytes.
 290         (OP_5E00): Don't count NOPs as parallel instructions.
 291         (OP_460B): Remove unused variable.
 292         (OP_5F00): Ditto.
 293
 294         * interp.c (ins_type_counters): Make unsigned long.
 295         (left_nops,right_nops): Delete.
 296         (most functions): Add prototypes.
 297         (INLINE): If GCC and optimize define as __inline__.
 298         ({,lookup_}hash,get_operands): Declare as INLINE.
 299         (do_parallel): Count conditional operations.
 300         (add_commas): New function, to add commas every 3 digits.
 301         (sim_size): Call add_commas to print numbers.
 302         (sim_{open,resume}): Delete unused variables.
 303         (sim_info): Provide better statistics.
 304         (sim_read): Add int return type.
 305
 306 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 307
 308         * interp.c (sim_resume): Change the way single-stepping and exceptions
 309         are handled so single-stepping works again.
 310
 311 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 312
 313         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 314         endian hosts.
 315
 316         * configure.in (--enable-sim-bswap): New switch to enable using
 317         the BSWAP instruction on x86's.
 318         * configure: Regenerate.
 319
 320         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 321         support.
 322
 323 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 324
 325         * endian.c: New file.  Move endian functions here from interp.c.
 326         Optimize code, and make it work as either inline functions or as a
 327         separate file.
 328
 329         * interp.c: Move endian functions from here to endian.c.
 330
 331         * Makefile.in (INCLUDE): Add endian.c.
 332         (run,libsim.a): Add dependency on endian.o.
 333         (endian.o): Add dependency.
 334
 335         * d10v_sim.h (read/write support): Always go through the machine
 336         independent endian functions.  If compiling with GCC and
 337         optimizing, include endian.c so the endian functions are inlined.
 338
 339         * simops.c (OP_5F00): Correct tracing of accumulators.
 340
 341 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 342
 343         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 344
 345         * interp.c (do_{2_short,parallel}): If an exception is raised,
 346         don't execute the second instruction.
 347
 348 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 349
 350         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 351         temporary in case the register is overriden when loading.
 352         (OP_6200): Output type is OP_DREG for tracing.
 353
 354 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 355
 356         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 357
 358         * interp.c (sim_size): Initialize mem_{min,max} fields.
 359         (sim_write): Update mem_{min,max} fields.
 360         (sim_resume): If PC is not in the minimum/maximum memory range,
 361         abort.
 362         (sim_create_inferior): Preserve mem_{min,max} fields.
 363
 364 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 365
 366         * simops.c (OP_5F00): Add support for time() system call.
 367
 368 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 369
 370         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 371         stored if tracing.
 372         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 373         system calls.
 374
 375 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 376
 377         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 378         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 379         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 380         to call/subroutine returns to trace the first two arguments and
 381         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 382
 383 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 384
 385         * interp.c (sim_create_inferior): Reinitialize State every time
 386         sim_create_inferior() is called.
 387
 388 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 389
 390         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 391         on comparisons.
 392         (OP_401): Fix tracing information.
 393
 394 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 395
 396         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 397         (trace_input_func): Use them.
 398         (trace_input_func): Make sure there is a trailing space after the
 399         instruction.
 400         (OP_6200): Fix tracing info.
 401
 402         * Makefile.in (run): Add dependencies on libbfd.a and
 403         libiberity.a.
 404
 405 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 406
 407         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 408         numbers and function names in debug trace.
 409         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 410         DEBUG_LINE_NUMBER.
 411         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 412         and exit system call trap being executed.
 413
 414         * interp.c (sim_stop_reason): Set exit code correctly for stop
 415         instruction and exit system call trap.
 416
 417         * configure.in (--enable-sim-cflags): Remove trace case.
 418         (--enable-sim-debug): New switch to set the debug values.
 419         * configure: Regenerate.
 420
 421         * simops.c (trace_{input,output}_func): Rename from
 422         trace_{input,output}.
 423         (trace_{input,output}): Call trace_{input,output}_func if
 424         d10v_debug is non-zero.
 425         (SIZE_INSTRUCTION): Cut down to 8.
 426         (SIZE_OPERANDS): Cut down to 18.
 427         (SIZE_LOCATION): New value for size of line number, function name
 428         field.
 429         (init_text_p,text{,_start,_end}): New static variables for
 430         printing line number and function name.
 431         (exec_bfd): New external that run.c sets.
 432         (trace_input_func): Print line number and function name if
 433         available and if desired.
 434         (OP_4E09): Don't print out DBT message.
 435         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 436         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 437
 438 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 439
 440         * interp.c (do_2_short): If the instruction encodes jump->ins,
 441         don't do the second instruction if the jump succeeds.
 442
 443 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 444
 445         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 446         accumulators, PC, and F0/F1/C flags.
 447
 448 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 449
 450         * simops.c (OP_5F00): Fix problems with system calls.
 451
 452 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 453
 454         * simops.c (OP_5F00): Correct tracing information for trap.
 455
 456 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 457
 458         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 459
 460 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 461
 462         * simops.c (trace_output): Properly align accumulator output.
 463         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 464         if shift count is too high.
 465         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 466         (OP_4E09): Make cpfg properly trace the input flags.
 467         (op_types): Add OP_FLAG_OUTPUT.
 468         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 469         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 470         an 8-bit memory reference instruction for tracing purposes.
 471         (OP_201): Addi needs to set the carry.
 472
 473 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 474
 475         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 476         to use signed register values.
 477
 478 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 479
 480         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 481         output.
 482         (_ins_type): New enumeration to specify which container an
 483         instruction is in, and whether it is part of a parallel operation.
 484         (_state): Add ins_type field.
 485         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 486         (ins_type_counters): Counters for the various instruction types.
 487         ({left,right}_nops): Counters for the number of nops in each
 488         container.
 489         (d10v_debug): New variable to indicate whether debugging is turned
 490         on.
 491
 492         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 493         the input and output values can be traced, along with the
 494         instruction type.  Make the -t option enable tracing.
 495         (all functions): Change printf calls to use the printf_filtered
 496         function in the callback table.
 497
 498         * interp.c (_leftright): New enumeration to say whether 2 short
 499         instructions are done left first or right first.
 500         (do_{long,2_short,parallel}): Indicate in the machine state which
 501         type of instruction this is.  Count each of the types of
 502         instructions executed.
 503         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 504         flag is set.
 505         (sim_resume): Pass left/right indication to do_2_short.
 506         (all functions): Change printf calls to use the printf_filtered
 507         function in the callback table.
 508         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 509         sim_resume.
 510         (sim_info): Print out statistics on instructions.
 511         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 512         debugging.
 513         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 514         Only initialize the hash table the first time sim_open is called.
 515
 516         * Makefile.in: Make objects depend on d10v_sim.h.
 517         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 518         CFLAGS does not override host/target defines or SIM_CFLAGS.
 519         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 520         (run): By default, the math library is not needed to be linked
 521         in.
 522         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 523         overridden.
 524         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 525         makes.
 526         ({run,callback}.o): Provide explicit paths to their appropriate
 527         source directories.
 528         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 529         and linking.  Instead of linking in libopcodes.a, just compile
 530         d10v-opc.o directly to handle canadian cross.
 531         (CSEARCH): Add opcodes directory.
 532
 533         * configure.in (--enable-sim-cflags): New switch to allow user to
 534         set the defaults.
 535         (CC_FOR_BUILD): Deal with canadian crosses.
 536         * configure: Regenerate.
 537
 538 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 539
 540         * simops.c: Include correct syscall.h for d10v, not host's.
 541         Fix #ifdef SYS_stat.
 542
 543 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 544
 545         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 546         Add trap 2 to be printf and trap 3 to be putchar.
 547
 548 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 549
 550         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 551         for low-level system calls.
 552
 553 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 554
 555         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 556
 557 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 558
 559         * d10v_sim.h (SEXT32): Added.
 560         * interp.c: Commented out printfs.
 561         * simops.c:  Fixed error in sb and st2w.
 562
 563 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 564
 565         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 566         DSP instructions.  Added modulo addressing.
 567
 568 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 569
 570         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 571
 572 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 573
 574         * d10v_sim.h, simops.c: Snapshot.
 575
 576 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 577
 578         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 579         gencode.c, interp.c, simops.c: Created.
 580