sim/d10v/ChangeLog

   1 Tue Dec  2 15:01:08 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   2
   3         * simops.c (OP_3A00): For "macu", perform multiply stage using 32
   4         bit rather than 16 bit precision.
   5
   6 Tue Dec  2 11:04:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>
   7
   8         * simops.c (OP_1000): For "sub2w", compute carry by comparing
   9         inputs.
  10
  11 Mon Nov 17 20:57:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  12
  13         * simops.c (OP_1): Use 32 bit unsigned arithmetic for subtract,
  14         carry indicated by value > 0xffff.
  15
  16 Fri Nov 14 12:51:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  17
  18         * interp.c (sim_resume): Don't set up SIGINT handler using signal,
  19         handled by client.
  20         (sim_resume): Fix race condition of a direct assignment to
  21         stop_simulator, conditionally call sim_stop.
  22         (sim_stop_reason): Check stop_simulator returning SIGINT.  Clear
  23         stop_simulator ready for next sim_resume call.
  24         (sim_ctrl_c): Delete function.
  25
  26 Thu Nov 13 19:29:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  27
  28         * interp.c (sim_resume): For "REP", only check/update the PC when
  29         a branch instruction has not been executed.
  30
  31 Mon Nov 10 17:50:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  32
  33         * simops.c (OP_4201): "rachi". Sign extend bit 40 of ACC.  Sign
  34         extend bit 44 all constants.
  35         (OP_4201): Replace GCC specific 0x..LL with SIGNED64 macro.
  36
  37 Fri Oct 24 10:26:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  38
  39         * d10v_sim.h: Include sim-types.h.
  40         (uint8, in816, uiny16, int32, uint32, int64, uint64): Typedef
  41         using unsigned8 et.al. from sim-types.h.
  42         (SEXT32, SEXT40, SEXT44, SEXT60): Replace GCC specific 0x..LL with
  43         SIGNED64 macro.
  44
  45 Wed Oct 22 14:43:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  46
  47         * interp.c (sim_write_phys): New function, write to physical
  48         instead of virtual memory.
  49
  50         * interp.c (sim_load): Pass lma_p and sim_write_phys to
  51         sim_load_file.
  52
  53 Mon Oct 13 10:55:07 1997  Fred Fish  <cygnus.com>
  54
  55         * simops.c (OP_6A01): Change OP_POSTDEC to OP_POSTINC and move
  56         exception generation code to OP_6E01.
  57         (OP_6E01): Change OP_POSTINC to OP_POSTDEC and insert exception
  58         generation code.
  59
  60 Sat Oct 11 09:02:08 1997  Fred Fish  <fnf@cygnus.com>
  61
  62         * simops.c (OP_6401): postdecrement on r15 is OK, remove exception.
  63         (OP_6601): Ditto.
  64
  65 Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  66
  67         * configure: Regenerated to track ../common/aclocal.m4 changes.
  68
  69 Sat Sep 27 12:51:34 1997  Fred Fish  <fnf@cygnus.com>
  70
  71         * interp.c (pc_addr): Discard upper bit(s) of PC in case
  72         IMAP1 selects unified memory.
  73         * d10v_sim.h (INC_ADDR): Align MOD_E to increment before testing
  74         for end condition.
  75
  76 Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  77
  78         * configure: Regenerated to track ../common/aclocal.m4 changes.
  79
  80 Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  81
  82         * configure: Regenerated to track ../common/aclocal.m4 changes.
  83
  84 Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  85
  86         * configure: Regenerated to track ../common/aclocal.m4 changes.
  87
  88 Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  89
  90         * configure: Regenerated to track ../common/aclocal.m4 changes.
  91
  92 Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>
  93
  94         * configure: Regenerated to track ../common/aclocal.m4 changes.
  95
  96 Wed Sep 10 22:30:24 1997  Martin M. Hunt  <hunt@cygnus.com>
  97
  98         * interp.c (sim_resume): Increment PC at end of rep
  99         loop.
 100
 101         * simops.c (OP_4201): Fix rachi instruction.
 102
 103 Thu Sep  4 17:21:23 1997  Doug Evans  <dje@seba>
 104
 105         * configure: Regenerated to track ../common/aclocal.m4 changes.
 106
 107 Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 108
 109         * configure: Regenerated to track ../common/aclocal.m4 changes.
 110         * config.in: Ditto.
 111
 112 Tue Aug 26 10:37:49 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 113
 114         * interp.c (sim_kill): Delete.
 115         (sim_create_inferior): Add ABFD argument.
 116         (sim_load): Move setting of PC from here.
 117         (sim_create_inferior): To here.
 118         (start_address): Delete variable.
 119
 120 Mon Aug 25 17:50:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 121
 122         * configure: Regenerated to track ../common/aclocal.m4 changes.
 123         * config.in: Ditto.
 124
 125 Mon Aug 25 15:39:29 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 126
 127         * interp.c (sim_open): Add ABFD argument.
 128
 129 Tue May 20 10:14:45 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 130
 131         * interp.c (sim_open): Add callback argument.
 132         (sim_set_callbacks): Remove SIM_DESC argument.
 133
 134 Thu Apr 24 00:39:51 1997  Doug Evans  <dje@canuck.cygnus.com>
 135
 136         * configure: Regenerated to track ../common/aclocal.m4 changes.
 137
 138 Tue Apr 22 10:29:23 1997  Doug Evans  <dje@canuck.cygnus.com>
 139
 140         * interp.c (sim_open): Undo patch to add -E support.
 141
 142 Fri Apr 18 13:39:01 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 143
 144         * interp.c (sim_stop): New function.
 145
 146 Thu Apr 17 02:42:00 1997  Doug Evans  <dje@canuck.cygnus.com>
 147
 148         * Makefile.in (SIM_OBJS): Add sim-load.o.
 149         * d10v_sim.h (exec_bfd): Rename to prog_bfd.
 150         * interp.c: #include bfd.h.
 151         (myname, sim_kind, start_address): New static locals.
 152         (prog_bfd_was_opened_p, prog_bfd): New static locals.
 153         (decode_pc): Update to use prog_bfd.
 154         (sim_open): Set sim_kind, myname.  Ignore -E arg.
 155         (sim_close): Close prog_bfd if simulator opened it.
 156         (sim_create_inferior): Return SIM_RC.  Delete arg start_address.
 157         (sim_load): Return SIM_RC.  New arg abfd.  Set start address from bfd.
 158         Call sim_load_file to load file into simulator.
 159         * simops.c (trace_input_func): exec_bfd renamed to prog_bfd.
 160
 161 Wed Apr 16 16:12:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>
 162
 163         * simops.c (OP_5F00): Only provide system calls SYS_execv,
 164         SYS_wait, SYS_wait, SYS_utime, SYS_time if defined by the host.
 165
 166 Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 167
 168         * configure: Regenerated to track ../common/aclocal.m4 changes.
 169         * config.in: Ditto.
 170
 171 Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>
 172
 173         * interp.c (sim_open): New arg `kind'.
 174
 175         * configure: Regenerated to track ../common/aclocal.m4 changes.
 176
 177 Wed Apr  2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
 178
 179         * configure: Regenerated to track ../common/aclocal.m4 changes.
 180
 181 Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
 182
 183         * configure: Re-generate.
 184
 185 Fri Mar 14 10:34:11 1997  Michael Meissner  <meissner@cygnus.com>
 186
 187         * configure: Regenerate to track ../common/aclocal.m4 changes.
 188
 189         * simops.c (OP_5F00): Remove old traps 1-3.  Make trap 15 the same
 190         as trap 0, which will be deprecated.  Only set errno, if an error
 191         in fact was returned.
 192
 193 Thu Mar 13 12:41:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 194
 195         * interp.c: Delete redundant prototypes of sim_foo fns.
 196         (sim_open): New SIM_DESC result.  Argument is now in argv form.
 197         (other sim_*): New SIM_DESC argument.
 198
 199 Thu Mar 13 10:29:04 1997  Michael Meissner  <meissner@cygnus.com>
 200
 201         * simops.c (trace_{input,output}_func): Call flush_stdout from the
 202         callback functions.
 203         (OP_5F00): Ditto.
 204         (OP_6{4,6,C,A}01): Test for post decrement on the stack pointer.
 205         (OP_{1200,1000000,201,5FE0,1003,17001002}): Fix problems in
 206         setting the carry bit after an add or a subtract.
 207
 208 Wed Feb 12 16:04:15 1997  Michael Meissner  <meissner@cygnus.com>
 209
 210         * simops.c (OP_{1403,15002A02,3{0,4}0{0,1}}): Only use the bottom
 211         40 bits of accumulators.  Sign/zero extend as appropriate.
 212
 213 Tue Feb  4 13:33:30 1997  Doug Evans  <dje@canuck.cygnus.com>
 214
 215         * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
 216         COMMON_{PRE,POST}_CONFIG_FRAG instead.
 217         * configure.in: sinclude ../common/aclocal.m4.
 218         * configure: Regenerated.
 219
 220 Thu Jan 23 11:46:23 1997  Stu Grossman  (grossman@critters.cygnus.com)
 221
 222         * configure configure.in Makefile.in:  Update to new configure
 223         scheme which is more compatible with WinGDB builds.
 224         * configure.in:  Improve comment on how to run autoconf.
 225         * configure:  Re-run autoconf to get new ../common/aclocal.m4.
 226         * Makefile.in:  Use autoconf substitution to install common
 227         makefile fragment.
 228
 229 Fri Dec 27 22:54:05 1996  Angela Marie Thomas (angela@cygnus.com)
 230
 231         * gencode.c: patch to not #include "d10v_sim.h" which
 232         unecessarily includes bfd.h and causes wingdb configure
 233         to fail.
 234
 235 Mon Dec 16 13:39:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 236
 237         * interp.c (xfer_mem): Change unified memory to 0x0.
 238
 239 Thu Nov 28 20:42:56 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 240
 241         * simops.c (OP_3E01): Fix tracing information.
 242         (OP_300{0,1}): Do not propigate sign.
 243
 244 Mon Nov 25 19:47:40 1996  Doug Evans  <dje@canuck.cygnus.com>
 245
 246         * config.in (WORDS_BIGENDIAN): Add.
 247         * configure: Regenerated.
 248         * d10v_sim.h: #include "config.h"
 249
 250 Sat Nov 23 09:34:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 251
 252         * gencode.c (write_opcodes): Eliminate warnings when generated
 253         table.c is compiled.
 254
 255 Wed Nov 20 19:41:40 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 256
 257         * interp.c (sim_open): Cast result of calloc, and make sure NULL
 258         was not returned.
 259         (dmem_addr): If address is illegal or in I/O space, signal a bus
 260         error.
 261         (pc_addr): Signal bus error, not illegal instruction for bogus
 262         pc.
 263
 264 Wed Nov 20 01:23:03 1996  Doug Evans  <dje@canuck.cygnus.com>
 265
 266         * Makefile.in: Delete all stuff moved to ../common/Make-common.in.
 267         (SIM_OBJS,SIM_EXTRA_CFLAGS,SIM_EXTRA_CLEAN): Define.
 268         * configure.in: Simplify using macros in ../common/aclocal.m4.
 269         Call AC_CHECK_HEADERS(unistd.h).
 270         * configure: Regenerated.
 271         * config.in: New file.
 272         * interp.c: #include "callback.h".
 273         * simops.c: #include "config.h".  #include <unistd.h> if present.
 274
 275 Fri Nov  8 16:19:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 276
 277         * d10v-sim.h (simops): Add flag is_long.
 278         (State): Add pc_changed.  Instructions which update the PC should
 279         use the JMP macro which sets this.
 280         (JMP): New macro.  Sets the PC and the pc_changed flag.
 281
 282         * gencode.c (write_opcodes): Add is_long field.
 283
 284         * interp.c (lookup_hash): If we blindly apply a short opcode's mask
 285         to a long opcode we could get a false match.  Check the opcode size.
 286         (hash): Add a size field to the hash table.
 287         (sim_open): Initialize size field in hash table.
 288         (sim_resume): Change to logic for setting the PC.  Used to increment the
 289         PC if it had not been changed.  This didn't allow single-instruction loops.
 290         Now checks the flag State.pc_changed.  Also now stops when ^C is received.
 291         (dmem_addr): Fix translation of data segments to unified memory.
 292         (sim_ctrl_c): New function.  When ^C is received, set stop_simulator flag.
 293
 294         * simops.c: Changed all branch and jump instructions to use new JMP macro.
 295         (OP_20000000): Corrected trace information to show this is a ldi.l, not
 296         a ldi.s instruction.
 297
 298 Thu Oct 31 19:13:55 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 299
 300         * interp.c (sim_fetch_register, sim_store_register): Fix bug where
 301         updating the accumulators was overwriting other parts of the global
 302         State variable.
 303
 304 Wed Oct 30 17:35:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 305
 306         * interp.c (bfd.h) Don't include it here any more.
 307         (text{,_start,_end}): Move here from simops.c and make extern.
 308         (decode_pc): New function to return the PC as an address that the
 309         debugger can use.
 310         (dmem_addr): Print decoded PC in error message.
 311         (pc_addr): Ditto.
 312
 313         * simops.c (bfd.h) Don't include it here any more.
 314         (text{,_start,_end}): Move to simops.c.
 315         (trace_input_func): Move decoding of PC, and looking up .text
 316         start to decode_pc.
 317
 318         * d10v_sim.h (bfd.h): Include it here.
 319         (text{,_start,_end}): Add external declarations.
 320         (exec_bfd): Ditto.
 321         (decode_pc): Ditto.
 322
 323 Tue Oct 29 12:13:52 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 324
 325         * interp.c (sim_size): Now allocates unified memory for imap segments
 326         0,1,2, and 127. Initializes imap0 and imap1 to 0x1000.  Initializes dmap to 0.
 327         (sim_write): Just call xfer_mem().
 328         (sim_read): Just call xfer_mem().
 329         (xfer_mem): New function. Does appropriate memory mapping and copies bytes.
 330         (dmem_addr): New function. Reads dmap register and translates data
 331         addresses to local addresses.
 332         (pc_addr): New function. Reads imap register and computes local address
 333         corresponding to contents of the PC.
 334         (sim_resume): Change to use pc_addr().
 335         (sim_create_inferior): Change reinitialization code. Also reinitializes
 336         imap[01] and dmap.
 337         (sim_fetch_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 338         (sim_store_register): Add fake registers 32,33,34 for imap0, imap1, and dmap.
 339
 340         * simops.c (MEMPTR): Redefine to use dmem_addr().
 341         (OP_5F00): Replace references to STate.imem with dmem_addr().
 342
 343         * d10v-sim.h (State): Remove mem_min and mem_max. Add umem[128].
 344         (RB,SW,RW,SLW,RLW): Redefine to use dmem_addr().
 345         (IMAP0,IMAP1,DMAP,SET_IMAP,SET_IMAP1,SET_DMAP): Define.
 346
 347 Tue Oct 22 15:22:33 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 348
 349         * d10v_sim.h (_ins_type): Reorganize, so that we can provide
 350         better statistics, like not counting NOPS as parallel
 351         instructions, and printing total cycles.
 352         (ins_type_counters): Make unsigned long.
 353         (left_nops,right_nops): Fold into ins_type_counters.
 354
 355         * simops.c (trace_input_func): Print new instruction types.
 356         Handle OP_R2R3 as input types.
 357         (OP_{38000000,7000}): Correctly sign extend bytes.
 358         (OP_5E00): Don't count NOPs as parallel instructions.
 359         (OP_460B): Remove unused variable.
 360         (OP_5F00): Ditto.
 361
 362         * interp.c (ins_type_counters): Make unsigned long.
 363         (left_nops,right_nops): Delete.
 364         (most functions): Add prototypes.
 365         (INLINE): If GCC and optimize define as __inline__.
 366         ({,lookup_}hash,get_operands): Declare as INLINE.
 367         (do_parallel): Count conditional operations.
 368         (add_commas): New function, to add commas every 3 digits.
 369         (sim_size): Call add_commas to print numbers.
 370         (sim_{open,resume}): Delete unused variables.
 371         (sim_info): Provide better statistics.
 372         (sim_read): Add int return type.
 373
 374 Mon Oct 21 16:16:26 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 375
 376         * interp.c (sim_resume): Change the way single-stepping and exceptions
 377         are handled so single-stepping works again.
 378
 379 Thu Oct 17 12:24:16 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 380
 381         * endian.c: Optimize simulated loads/stores on x86, AIX, and big
 382         endian hosts.
 383
 384         * configure.in (--enable-sim-bswap): New switch to enable using
 385         the BSWAP instruction on x86's.
 386         * configure: Regenerate.
 387
 388         * Makefile.in ({SWAP,CONFIG}_CFLAGS): Add --enable-sim-bswap
 389         support.
 390
 391 Wed Oct 16 13:50:06 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 392
 393         * endian.c: New file.  Move endian functions here from interp.c.
 394         Optimize code, and make it work as either inline functions or as a
 395         separate file.
 396
 397         * interp.c: Move endian functions from here to endian.c.
 398
 399         * Makefile.in (INCLUDE): Add endian.c.
 400         (run,libsim.a): Add dependency on endian.o.
 401         (endian.o): Add dependency.
 402
 403         * d10v_sim.h (read/write support): Always go through the machine
 404         independent endian functions.  If compiling with GCC and
 405         optimizing, include endian.c so the endian functions are inlined.
 406
 407         * simops.c (OP_5F00): Correct tracing of accumulators.
 408
 409 Tue Oct 15 10:57:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 410
 411         * simops.c (OP_5F00): Add support for getpid, kill system calls.
 412
 413         * interp.c (do_{2_short,parallel}): If an exception is raised,
 414         don't execute the second instruction.
 415
 416 Sat Oct 12 22:17:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 417
 418         * simops.c (OP_{31000000,6601,6201,6200}): Store address in a
 419         temporary in case the register is overriden when loading.
 420         (OP_6200): Output type is OP_DREG for tracing.
 421
 422 Fri Oct  4 23:46:18 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 423
 424         * d10v_sim.h (struct _state): Add mem_{min,max} fields.
 425
 426         * interp.c (sim_size): Initialize mem_{min,max} fields.
 427         (sim_write): Update mem_{min,max} fields.
 428         (sim_resume): If PC is not in the minimum/maximum memory range,
 429         abort.
 430         (sim_create_inferior): Preserve mem_{min,max} fields.
 431
 432 Fri Sep 27 13:11:58 1996  Mark Alexander  <marka@cygnus.com>
 433
 434         * simops.c (OP_5F00): Add support for time() system call.
 435
 436 Wed Sep 25 16:31:41 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 437
 438         * simops.c (OP_{6E01,6A01,6E1F,6A00}): Print both words being
 439         stored if tracing.
 440         (OP_5F00,trace_{in,out}put_func): Add finer grain tracing for
 441         system calls.
 442
 443 Mon Sep 23 17:55:30 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 444
 445         * simops.c (op_types): Add OP_{CONSTANT8,R2,R3}.
 446         (trace_input_func): Add support for  OP_{CONSTANT8,R2,R3}.
 447         (OP_{4900,24800000,4800,4A00,4B00,4D00,4C00}): Add OP_R2 and OP_R3
 448         to call/subroutine returns to trace the first two arguments and
 449         the return value.  For small jumps, use CONSTANT8, not CONSTANT16.
 450
 451 Fri Sep 20 15:36:45 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 452
 453         * interp.c (sim_create_inferior): Reinitialize State every time
 454         sim_create_inferior() is called.
 455
 456 Thu Sep 19 21:38:20 1996  Michael Meissner  <meissner@wogglebug.ziplink.net>
 457
 458         * simops.c (OP_{401,2000000,601,3000000,23000000}): Get sign right
 459         on comparisons.
 460         (OP_401): Fix tracing information.
 461
 462 Thu Sep 19 10:30:22 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 463
 464         * simops.c (SIZE_{PC,LINE_NUMBER}): New default sizes for output.
 465         (trace_input_func): Use them.
 466         (trace_input_func): Make sure there is a trailing space after the
 467         instruction.
 468         (OP_6200): Fix tracing info.
 469
 470         * Makefile.in (run): Add dependencies on libbfd.a and
 471         libiberity.a.
 472
 473 Wed Sep 18 09:13:25 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 474
 475         * d10v_sim.h (DEBUG_INSTRUCTION): New debug value to include line
 476         numbers and function names in debug trace.
 477         (DEBUG): If not defined, set to DEBUG_TRACE, DEBUG_VALUES, and
 478         DEBUG_LINE_NUMBER.
 479         (SIG_D10V_{STOP,EXIT}): Values to represent the stop instruction
 480         and exit system call trap being executed.
 481
 482         * interp.c (sim_stop_reason): Set exit code correctly for stop
 483         instruction and exit system call trap.
 484
 485         * configure.in (--enable-sim-cflags): Remove trace case.
 486         (--enable-sim-debug): New switch to set the debug values.
 487         * configure: Regenerate.
 488
 489         * simops.c (trace_{input,output}_func): Rename from
 490         trace_{input,output}.
 491         (trace_{input,output}): Call trace_{input,output}_func if
 492         d10v_debug is non-zero.
 493         (SIZE_INSTRUCTION): Cut down to 8.
 494         (SIZE_OPERANDS): Cut down to 18.
 495         (SIZE_LOCATION): New value for size of line number, function name
 496         field.
 497         (init_text_p,text{,_start,_end}): New static variables for
 498         printing line number and function name.
 499         (exec_bfd): New external that run.c sets.
 500         (trace_input_func): Print line number and function name if
 501         available and if desired.
 502         (OP_4E09): Don't print out DBT message.
 503         (OP_5FE0): Set exception field to SIG_D10V_STOP.
 504         (OP_5F00): Set exception field to SIG_D10V_EXIT.
 505
 506 Sat Sep 14 22:18:43 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 507
 508         * interp.c (do_2_short): If the instruction encodes jump->ins,
 509         don't do the second instruction if the jump succeeds.
 510
 511 Fri Sep 13 22:35:19 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 512
 513         * simops.c (OP_5F00): Use unknown traps to print all GPRs,
 514         accumulators, PC, and F0/F1/C flags.
 515
 516 Thu Sep 12 12:50:11 1996  Mark Alexander  <marka@cygnus.com>
 517
 518         * simops.c (OP_5F00): Fix problems with system calls.
 519
 520 Thu Sep 12 12:19:28 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 521
 522         * simops.c (OP_5F00): Correct tracing information for trap.
 523
 524 Wed Sep 11 18:55:50 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 525
 526         * Makefile.in (CSEARCH): Correctly find opcodes directory.
 527
 528 Mon Sep  9 13:27:26 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 529
 530         * simops.c (trace_output): Properly align accumulator output.
 531         (OP_3{0,2,4}00): Properly parenthesize test expression.  Add error
 532         if shift count is too high.
 533         (OP_4E{00,02,04,20,22,40,42}): Make tests agree with book.
 534         (OP_4E09): Make cpfg properly trace the input flags.
 535         (op_types): Add OP_FLAG_OUTPUT.
 536         (trace_{input,output}): Support OP_FLAG_OUTPUT.
 537         (OP_31000000): This ld2w varient is a 16-bit memory reference, not
 538         an 8-bit memory reference instruction for tracing purposes.
 539         (OP_201): Addi needs to set the carry.
 540
 541 Fri Sep  6 17:56:17 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 542
 543         * simops.c (OP_2600, OP_2601): Changed min and max comparisons
 544         to use signed register values.
 545
 546 Wed Sep  4 11:35:17 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 547
 548         * d10v_sim.h (DEBUG_*): Add bit flags for controlling debug
 549         output.
 550         (_ins_type): New enumeration to specify which container an
 551         instruction is in, and whether it is part of a parallel operation.
 552         (_state): Add ins_type field.
 553         ({,u}int{8,16,32,64}): Use limits.h to size the appropriate types.
 554         (ins_type_counters): Counters for the various instruction types.
 555         ({left,right}_nops): Counters for the number of nops in each
 556         container.
 557         (d10v_debug): New variable to indicate whether debugging is turned
 558         on.
 559
 560         * simops.c: (all functions): Change all #ifdef DEBUG code so that
 561         the input and output values can be traced, along with the
 562         instruction type.  Make the -t option enable tracing.
 563         (all functions): Change printf calls to use the printf_filtered
 564         function in the callback table.
 565
 566         * interp.c (_leftright): New enumeration to say whether 2 short
 567         instructions are done left first or right first.
 568         (do_{long,2_short,parallel}): Indicate in the machine state which
 569         type of instruction this is.  Count each of the types of
 570         instructions executed.
 571         (sim_size): Only print the memory sizes if DEBUG_MEMSIZE debug
 572         flag is set.
 573         (sim_resume): Pass left/right indication to do_2_short.
 574         (all functions): Change printf calls to use the printf_filtered
 575         function in the callback table.
 576         (sim_trace): Turn on debug flag if DEBUG was defined, and call
 577         sim_resume.
 578         (sim_info): Print out statistics on instructions.
 579         (sim_{trace,create_inferior}): Eliminate extraneous output unless
 580         debugging.
 581         (sim_open): If args == -t and DEBUG was defined, set d10v_debug.
 582         Only initialize the hash table the first time sim_open is called.
 583
 584         * Makefile.in: Make objects depend on d10v_sim.h.
 585         ({,SIM_}CFLAGS): Include configure dependent switches.  Setting
 586         CFLAGS does not override host/target defines or SIM_CFLAGS.
 587         (CC_FOR_BUILD,gencode): Use CC_FOR_BUILD to compile gencode.
 588         (run): By default, the math library is not needed to be linked
 589         in.
 590         ({BFD,LIBIBERTY}_LIB): Define as variables so they can be
 591         overridden.
 592         (VPATH): Don't set to anything but @srcdir@ to work with non-GNU
 593         makes.
 594         ({run,callback}.o): Provide explicit paths to their appropriate
 595         source directories.
 596         (gencode{,.o},d10v-opc.o): Split compilation into creating object
 597         and linking.  Instead of linking in libopcodes.a, just compile
 598         d10v-opc.o directly to handle canadian cross.
 599         (CSEARCH): Add opcodes directory.
 600
 601         * configure.in (--enable-sim-cflags): New switch to allow user to
 602         set the defaults.
 603         (CC_FOR_BUILD): Deal with canadian crosses.
 604         * configure: Regenerate.
 605
 606 Wed Sep 04 04:45:34 1996  Mark Alexander  <marka@cygnus.com>
 607
 608         * simops.c: Include correct syscall.h for d10v, not host's.
 609         Fix #ifdef SYS_stat.
 610
 611 Tue Sep  3 14:00:04 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
 612
 613         * simops.c (OP_5F00): Wrap all SYS_xxx traps with #ifdef.
 614         Add trap 2 to be printf and trap 3 to be putchar.
 615
 616 Wed Aug 28 21:42:34 1996  Mark Alexander  <marka@cygnus.com>
 617
 618         * Makefile.in, d10v_sim.h, interp.c, simops.c: Add support
 619         for low-level system calls.
 620
 621 Wed Aug 28 17:33:19 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 622
 623         * Makefile.in, d10v_sim.h, interp.c: Fix byte-order problems.
 624
 625 Mon Aug 26 18:30:28 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 626
 627         * d10v_sim.h (SEXT32): Added.
 628         * interp.c: Commented out printfs.
 629         * simops.c:  Fixed error in sb and st2w.
 630
 631 Thu Aug 15 13:30:03 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 632
 633         * Makefile.in, d10v_sim.h, interp.c, simops.c: Added remaining
 634         DSP instructions.  Added modulo addressing.
 635
 636 Sun Aug 11 12:57:15 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 637
 638         * Makefile.in, d10v_sim.h, interp.c, simops.c: Snapshot.
 639
 640 Fri Aug  2 17:44:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 641
 642         * d10v_sim.h, simops.c: Snapshot.
 643
 644 Thu Aug  1 17:05:24 1996  Martin M. Hunt  <hunt@pizza.cygnus.com>
 645
 646         * ChangeLog, Makefile.in, configure, configure.in, d10v_sim.h,
 647         gencode.c, interp.c, simops.c: Created.
 648