sim/d10v/ChangeLog

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