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Checkpoint IGEN version of MIPS simulator.
[deliverable/binutils-gdb.git] / sim / common / ChangeLog
CommitLineData
1b217de0
AC		 1Tue Oct 14 19:20:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
2
3 * sim-n-core.h (sim_core_read_aligned_N,
4 sim_core_write_aligned_N): Make xaddr param type address_word not
5 unsigned_word.
6
7Fri Oct 3 09:49:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
8
9 * sim-fpu.h, sim-fpu.c: Rewrite. Change sim_fpu object to an
10 unpacked floating point struct. Pass sim_fpu object by reference.
11 Add preliminary support for rounding modes.
12
63fe2cc7
AC		 13Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
14
15 * configure: Regenerated to track ../common/aclocal.m4 changes.
16
17Thu Oct 2 19:43:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
18
19 * aclocal.m4 (sim-bitsize): Fix typo, WITH_TARGET_WORD_BITSIZE not
20 WITH_TARGET_BITSIZE.
21
22Thu Sep 25 23:20:20 1997 Felix Lee <flee@yin.cygnus.com>
23
24 * sim-profile.c (profile_print_core): label needs empty statement.
25
26Thu Sep 25 11:20:47 1997 Stu Grossman <grossman@babylon-5.cygnus.com>
27
28 * sim-break.c (sim_set_breakpoint sim_clear_breakpoint): Use ZALLOC
29 and zfree instead of xmalloc and free. Prevents warnings.
30
af51b8d5
AC		 31Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
32
33 * configure: Regenerated to track ../common/aclocal.m4 changes.
34
35Wed Sep 24 17:23:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
36
37 * Make-common.in (SIM_BITSIZE): Assign from configured value.
38 (CONFIG_CFLAGS): Add SIM_BITSIZE.
39
40 * aclocal.m4 (--enable-sim-bitsize): Developer option for
41 controling the bitsize/msb of the target.
42
b9d580a4
SG		 43Wed Sep 24 17:41:40 1997 Stu Grossman <grossman@babylon-5.cygnus.com>
44
45 * Make-common.in: New files sim-break.c, sim-break.h.
46 * sim-base.h: Add point to breakpoint list to sim_state_base.
47 * sim-break.c sim-break.h: New modules that implement intrinsic
48 breakpoint support.
49 * sim-module.c: Add breakpoint module.
50
34d07b78
FL		 51Tue Sep 23 00:26:39 1997 Felix Lee <flee@yin.cygnus.com>
52
53 * sim-events.c (SIM_EVENTS_POLL_RATE): poll more often than once
54 an hour.
55 * sim-n-core.h (WITH_XOR_ENDIAN): MSVC barfs on
56 if (0) { 1 % 0; }
57 * sim-core.c (sim_core_xor_write_buffer): WITH_XOR_ENDIAN + 1.
58 (SIGBUS) define for Windows.
59 * sim-trace.c (trace_printf,debug_printf): added ALMOST_STDC.
60 * sim-resume.c: define SIGTRAP for windows.
61 * sim-xcat.h: use token pasting if ALMOST_STDC.
62
4141b1c6
AC		 63Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
64
65 * Make-common.in (SIM_SCACHE, SIM_DEFAULT_MODEL): Assign
66 configured values.
67 (CONFIG_CFLAGS): Add same.
68
9f4fd823
FL		 69Mon Sep 22 17:20:27 1997 Felix Lee <flee@cygnus.com>
70
71 * sim-types.h (SIGNED64): ##i64 when _MSC_VER, not _WIN32.
72 (SIGNED32): use ##i32.
73
92f91d1f
AC		 74Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
75
76 * configure: Regenerated to track ../common/aclocal.m4 changes.
77
78Tue Sep 23 10:07:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
79
80 * aclocal.m4 (sim-endian): Simplify logic determining [default]
81 endian of target.
82
83 * Make-common.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
84 SIM_HOSTENDIAN, SIM_RESERVED_BITS, SIM_ASSERT, SIM_FLOAT,
85 SIM_HARDWARE, SIM_INLINE, SIM_PACKAGES, SIM_REGPARM, SIM_SMP,
86 SIM_STDCALL, SIM_XOR_ENDIAN): Assign configured values.
87 (CONFIG_CFLAGS): Add same.
88
89 * aclocal.m4: Perform AC_SUBST on optional options.
90
4ca7d6d2
AC		 91Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
92
8d332f9c
AC		 93 * sim-config.h (WITH_DEFAULT_ALIGNMENT): Don't hardwire any alignment.
94
95 * sim-options.c (standard_option_handler): Typo in warning message.
96
4ca7d6d2
AC		 97 * sim-base.h (STATE_MODEL): Make conditional on SIM_HAVE_MODEL.
98
99 * sim-profile.c (profile_print_insn): Check 0 .. MAX_INSN for any
100 insn count. Make count conditional on there being a valid
101 INSN_NAME.
102 (profile_pc_init): Make default PC profile frequency an arbitrary
103 256.
104
105 * sim-base.h: Ditto.
106
107 * sim-profile.h (WITH_PROFILE_MODEL_P): Only enable modeling when
108 SIM_HAVE_MODEL.
109
110 * sim-model.h (struct MACH): Depreciate, to be replaced by bfd
111 archure struct.
112
794e9ac9
AC		 113Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
114
115 * configure: Regenerated to track ../common/aclocal.m4 changes.
116
117Mon Sep 22 11:45:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
118
119 * aclocal.m4 (sim_alignment): Simplify logic for selecting the
120 configured alignment.
121
b45caf05
AC		 122Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
123
124 * configure: Regenerated to track ../common/aclocal.m4 changes.
125
126Fri Sep 19 17:26:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
127
128 * sim-config.c (sim_config): Check for default alignment.
129
130 * sim-options.c (standard_option_handler): Add alignment option.
131
132 * aclocal.m4 (sim_alignment): Allow configuration of hardwired and
133 default alignment requirements on memory accesses.
134
135Fri Sep 19 11:51:35 1997 Jeffrey A Law (law@cygnus.com)
136
137 * sim-load.c (sim_load_file): Return failure if the executable
138 had no loadable sections.
139
dfa5c0ca
AC		 140Wed Sep 17 13:33:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
141
175c6fd3
AC		 142 * sim-events.c (ETRACE): Use trace_printf not sim_io_printf for
143 trace output.
144
145 * sim-core.c (sim_core_signal): When bad access halt simulator
146 SIGSEGV / SIGBUS instead of aborting.
147 (signal.h): Include.
148
149 * sim-watch.c (sim_watchpoint_install): Handler for watchpoint
150 options was missing.
151
dfa5c0ca
AC		 152 * sim-bits.h (MOVED): Define
153
b52e58c2
AC		 154Wed Sep 17 10:33:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
155
156 * sim-alu.h (ALU32_HAD_OVERFLOW): Pacify GCC, Use MSBIT instead of
157 BIT.
158
159 * sim-bits.h (LSBIT, MSBIT): Check for overflow of shift value.
160
161 * sim-bits.c: Add 8 bit versions of bit macros.
162
163 * sim-bits.h: Ditto.
164
aa5e6a5a
AC		 165Tue Sep 16 16:15:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
166
167 * sim-bits.c (LSSEXT, MSSEXT): Replace SEXT.
168 (LSINSERTED, MSINSERTED): Ditto for INSERTED.
169
170 * sim-n-bits.h (MSSEXTn, LSSEXTn): Replace SEXTn.
171 (LSINSERTDn, MSINSERTEDN): Ditto for INSERTEDn.
172
173 * sim-bits.h (SEXT*): Define as MSEXT/LSEXT.
174 (INSERTED*): Ditto for LSINSERTED/MSINSERTED.
175
08547b1f
AC		 176Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
177
178 * aclocal.m4 (SIM_AC_COMMON): Add optional config.h file argument.
179 configure.in: Output to cconfig.h instead of config.h.
180
181 * configure: Regenerated to track ../common/aclocal.m4 changes.
182
183Mon Sep 15 15:39:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
184
185 * sim-utils.c (sim_analyze_program): Set STATE_ARCHITECTURE from
186 BFD if known.
187
4bdab45a
AC		 188Tue Sep 9 21:46:46 1997 Felix Lee <flee@cygnus.com>
189
190 * callback.c (os_write): divert stdout and stderr to their
191 respective hooks.
192
93e7a1b5
AC		 193Thu Sep 11 10:08:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
194
195 * sim-profile.c (profile_print_speed): Call
196 sim_events_elapsed_time instead of PROFILE_EXEC_TIME for moment.
197
198 * sim-events.c (sim_events_elapsed_time): New function return nr
199 host MS consumed by the simulator.
200 (sim_watch_valid): Use.
201
202 * sim-module.c (modules): Install sim_events very very early.
203
204 * sim-profile.c (profile_print): Call profile_print_pc.
205 (print_bar):
206 (profile_pc_init): New function, set up processor for PC
207 profiling.
208 (profile_print_pc): New function, print a PC profile.
209 (profile_pc_event): New function, sample PC.
210
211 * sim-profile.h (PROFILE_PC_COUNT, PROFILE_PC_START,
212 PROFILE_PC_END, PROFILE_PC_SHIFT, PROFILE_PC_SAMPLE_SIZE): Add to
213 profile struct.
214
215 * sim-options.c (sim_print_help): Pacify GCC.
216
217 * sim-n-core.h (sim_core_read_aligned_N,
218 sim_core_write_aligned_N): Add un-conditional profile call.
219 (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Add
220 profile call when aligned read/write isn't used.
221
222 * sim-base.h: Include sim-profile, sim-model after sim-core &
223 sim-events allow sim-core to define useful values.
224
225 * sim-profile.c (OPTION_PROFILE_CORE): Define.
226 (profile_option_handler, profile_options): Add support for
227 --profile-core option.
228 (print_bar): Include when core profiling.
229 (profile_print_core): New function, print core profile.
230
231 * sim-config.c (print_sim_config): Print profile status.
232
233 * sim-profile.h (PROFILE_NEXT_IDX, PROFILE_core,
234 WITH_PROFILE_PC_P): Define.
235 (PROFILE_CORE_COUNT): Count each core-map/size separatly.
236 (PROFILE_COUNT_CORE): Define.
237
cad7297e
AC		 238Thu Sep 11 08:44:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
239
240 * sim-watch.c (handle_watchpoint): Pass a char** index into the
241 interrupt_names array as the data.
242 (sim-watch.h): Document.
243
244Wed Sep 10 16:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
245
246 * sim-options.c (sim_print_help): When the doc string is to long
247 word wrap it.
248
249 * sim-watch.c (sim_watchpoint_install): Use option.doc_name so
250 that only the first few the watch options are listed. Generate
251 meanginful usage messages.
252
253 * sim-options.h (struct OPTION): Clarify use of doc_name field
254
d0b59aa5
AC		 255Wed Sep 10 13:23:24 1997 Andrew Cagney <cagney@b1.cygnus.com>
256
257 * sim-options.c (OPTION_ARCHITECTURE_INFO): New option.
258 (standard_option_handler): Handle --architecture-info.
259
31dda65a
FL		 260Tue Sep 9 21:46:46 1997 Felix Lee <flee@cygnus.com>
261
262 * sim-core.h (sim_cpu_core): [WITH_XOR_ENDIAN + 1], to avoid
263 illegal zero-sized array.
264 * sim-core.c (sim_core_xor_read_buffer): same.
265
7b4aeeba
DE		 266Tue Sep 9 11:20:35 1997 Doug Evans <dje@canuck.cygnus.com>
267
268 * nltvals.def: Regenerate.
269
75b3697d
AC		 270Tue Sep 9 02:10:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
271
272 * sim-fpu.c (DP_FRACHIGH2): Define LL using SIGNED64.
273
274Mon Sep 8 12:22:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
275
276 * sim-bits.c (MASKED): Delete.
277 (EXTRACTED): Delete.
278 (LSEXTRACTED, MSEXTRACTED): New functions.
279
280 * sim-n-bits.h (MASKEDn): Delete, define as MSMASKED or LSMASKED.
281 (MSMASKEDn, LSMASKEDn): Add last argument.
282 (MSMASK*): Ditto.
283
284 * sim-bits.h (EXTEND8, EXTEND16): Define.
285 (EXTRACTED64): Define as 64 bit extract, not 32 bit.
286
287 * sim-run.c (sim_engine_run): Use CPU_CIA macro.
288
289 * sim-engine.h (SIM_ENGINE_HALT_HOOK): Use CPU_CIA to get at
290 current instruction address.
291
292 * sim-inline.h (*_ENGINE): Define.
293
30efae3a
AC		 294Fri Sep 5 08:39:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
295
1bba340a
AC		 296 * sim-core.c (sim_core_attach): Fix checks of modulo/mask.
297
298 * sim-watch.c (delete_watchpoint): Delete by ident and type.
299 (watch_option_handler): Call delete_watchpoint with ident or type.
300 (sim_watchpoint_install): Create interrupt specific watchpoint
301 commands on the fly.
302 (do_watchpoint_create): New function, create a watch point using
303 type/int-nr info encoded in the option nr.
304 (do_watchpoint_info): New function. List active watchpoints.
305
306 * sim-watch.h: Change data structure to a list.
307
308 * sim-memopt.c (memory_option_handler): Require explicit "all"
309 before deleting all memory regions.
310
1b465b54
AC		 311 * sim-utils.c (sim_do_commandf): New function, printf version of
312 sim_do_command.
313
314 * sim-basics.h (asprintf, vasprintf): Hack, define for CYGWIN32.
315
30efae3a
AC		 316 * sim-alu.h (ALU64_ADD): Use explicit MSEXTRACTED64, do not assume
317 bit endianness.
318 (SIGNED64, UNSIGNED64): Delete.
319 (ALU64_ADD): Don't rely on bit endianness.
320 (ALU64_BEGIN): Define.
321
322 * sim-n-bits.h (MSEXTRACTEDn, LSEXTRACTED): New functions.
323 (EXTRACTEDn): Delete, define as either LSEXTRACTED or MSEXTRACTED.
324
325 * sim-types.h (SIGNED64, UNSIGNED64): New macros, attach relevant
326 suffix - u64, LL - to 64 bit constants.
327
a34abff8
AC		 328Thu Sep 4 09:27:54 1997 Andrew Cagney <cagney@b1.cygnus.com>
329
6dbaff8f
AC		 330 * sim-config.c (sim_config): Add assert for SIM_MAGIC_NUMBER.
331
332 * sim-utils.h (NZALLOC): Define - zalloc * N.
333
334 * sim-hrw.c (sim_read, sim_write): New file. Provide generic
335 implementation of read/write functions.
336
337 * Make-common.in (sim-hrw.o): New target.
338
339 * sim-base.h (STATE_MEMOPT_P): Delete, simulators _always_ add
340 memory.
341
342 * sim-memopt.c (memory_option_handler): Implement memory-size
343 command. Implement memory-alias command. Let memory-delete delete
344 all memory regions.
345 (add_memopt): New function. Add a memory region.
346 (do_memopt_delete): New function. Delete a memory region.
347
a34abff8
AC		 348 * sim-utils.c (sim_elapsed_time_get): Never return zero.
349
350 * sim-core.c (sim_core_detach): New function.
351 (sim_core_map_detach): New function. Perform the actual detach.
352 (sim_core_init): Move initialization code from here.
353 (sim_core_install): To here.
354 (sim_core_uninstall): And here.
355
356 * sim-module.c: Add memopt module.
357
358 * sim-base.h (STATE_MEMOPT, STATE_MEMOPT_P): Add memopt to
359 simulator base type.
360
361 * Make-common.in (sim_main_headers): Add sim-memopt.h
362 (sim-memopt.o): New target.
363
364 * sim-core.c (sim_core_install): Add core_options to the option
365 table.
366
367 * sim-watch.c (watch_options): Make --delete-watch a synonym for
368 --watch-delete.
369
370 * sim-config.h (WITH_MODULO_MEMORY): Define as 0. Update
371 comments.
372
373 * sim-core.h (struct _sim_core_mapping): Change nr_bytes to type
374 address_word, add mask member.
375
376 * sim-core.h, sim-core.c (sim_core_attach): Make nr_bytes of type
377 address_word, allow for 64bit targets in 32bit host. Add modulo
378 argument.
379 (sim_core_map_attach): Ditto.
380 (new_sim_core_mapping): Ditto.
381 (sim_core_translate): Mask address when modulo memory.
382
88d5f8e8
DE		 383Wed Sep 3 17:32:54 1997 Doug Evans <dje@seba.cygnus.com>
384
600d8331
DE		 385 * sim-hload.c (sim_load): Add assert for SIM_MAGIC_NUMBER.
386
88d5f8e8
DE		 387 * gdbinit.in: New file.
388 * aclocal.m4 (SIM_AC_OUTPUT): Build .gdbinit.
389 * Make-common.in (distclean): Delete .gdbinit.
390 (.gdbinit): Add rule for.
391 * configure: Regenerated to track ../common/aclocal.m4 changes.
392
393 * Make-common.in (cgen-run.o): Add rule for.
394
fdd64f95
AC		 395Wed Sep 3 10:08:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
396
397 * sim-resume.c (sim_resume): Suspend/resume the simulator.
398
399 * sim-events.c (sim_watch_valid): Compute total elapsed time from
400 both resumed and previous elapsed time.
401 (sim_events_init): Set initial_wallclock and current_wallclock to
402 zero.
403 (sim_events_install): Install sim_events_suspend and
404 sim_events_resume.
405 (sim_events_watch_clock): Allow for suspended simulator when
406 computing the time of the clock event.
407
408 * sim-events.h (struct _sim_event): Add resume_wallclock, rename
409 initial_wallclock to elapsed_wallclock, set both to zero.
410 (sim_events_init, sim_events_uninstall): Delete prototypes.
411
412 * sim-module.h (MODULE_SUSPEND_FN, MODULE_RESUME_FN): Define types.
413
414 * sim-module.c(sim_module_resume, sim_module_suspend): New
415 functions.
416
80c651f0
AC		 417Wed Sep 3 10:08:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
418
419 * sim-core.c (sim_core_map_attach): Clarify memory overlap error
420 message.
421
74db699d
DE		 422Tue Sep 2 14:57:06 1997 Doug Evans <dje@canuck.cygnus.com>
423
424 * Makefile.in (TAGS): Add support for "/* TAGS: foo */" marker.
645ab3ec 425 * Make-common.in (TAGS): Likewise.
74db699d
DE		 426 * sim-n-bits.h: Add TAGS comments for all functions.
427 * sim-n-core.h: Likewise.
428 * sim-n-endian.h: Likewise.
429
4b2a6aed
AC		 430Mon Sep 1 10:50:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
431
432 * sim-utils.c (sim_state_alloc): Set CPU backlinks, callback and
433 kind.
434
435 * sim-base.h (sim_state_alloc): Add callback and kind arguments.
436
437 * sim-base.h (INVALID_INSTRUCTION_ADDRESS): Add default
438 definition.
439
f90b720b
AC		 440Sat Aug 30 09:47:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
441
442 * sim-fpu.c (DP_GARDMSB, ...): Make unsigned.
443 (DP_FRACHIGH, DP_FRACHIGH2, ..): Use MSMASK to avoid LL.
444
445Fri Aug 29 13:37:44 1997 Andrew Cagney <cagney@b1.cygnus.com>
446
447 * sim-core.c (sim_core_map_attach): Cast attach enum to int.
448 (sim_core_xor_read_buffer, sim_core_xor_write_buffer): Make
449 nr_transfered and nr_this_transfer unsigned.
450
451 * sim-events.c (sim_events_tickn): N is signed, as limited to
452 MAXINT.
453
454 * sim-n-endian.h (offset_N): Change size to unsigned.
455
456 * callback.c (os_poll_quit): Add prototypes for kbhit and getkey.
457
458Fri Aug 29 10:10:53 1997 Andrew Cagney <cagney@b1.cygnus.com>
459
460 * sim-utils.c (sim_copy_argv): Delete, replaced by dupargv.
461
462 * sim-options.c (sim_parse_args): Use dupargv.
463
36db8e64
DE		 464Thu Aug 28 10:36:34 1997 Doug Evans <dje@canuck.cygnus.com>
465
466 * sim-options.c (standard_option_handler): Use xstrdup, not strdup.
467
18c319ae
AC		 468Thu Aug 28 12:09:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
469
470 * sim-base.h (STATE_ARCHITECTURE, STATE_TARGET): Add to simulator
471 base type.
472
473 * sim-options.c (standard_options): Add --architecture=MACHINE and
474 --target=TARGET options.
475 (OPTION_ARCHITECTURE, OPTION_TARGET): Define.
476 (standard_option_handler): Handle architecture and target options.
477 (bfd.h): Include.
478
479 * sim-utils.c (sim_analyze_program): Pass STATE_TARGET to
480 bfd_openr.
481 (sim_analyze_program): Set prog_bfd architecture from
482 STATE_ARCHITECTURE if known.
483
88117054
AC		 484Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
485
486 * configure: Regenerated to track ../common/aclocal.m4 changes.
487 * config.in: Ditto.
488
489Wed Aug 27 18:11:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
490
491 * aclocal.m4 (enable-sim-warnings): Remove comment stating
492 that option does not apply to certain files.
493
d6fea803
AC		 494Wed Aug 27 15:13:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
495
496 * sim-bits.h (LSBIT8, LSBIT16, LSBIT32, LSBIT64, LSBIT, MSBIT8,
497 MSBIT16, MSBIT32, MSBIT64, MSBIT): New macros - single bit as
498 offset from MSB/LSB.
499
500 * sim-endian.h (A1_8, A2_8, A4_8, A1_4, A2_4, A1_2): New macro,
501 access address of sub word quantity of a hosts 16, 32, 64 bit word
502 type.
503 (V1_2, V1_4, V2_4, V1_8, V2_8, V4_8): Ditto for values.
504 (U8_1, U8_2, U8_4, U4_1, U4_2, U2_1): Ditto for set of values.
505 (V2_H1, V2_L1, V4_H2, V4_L2, V8_L4, V8_H4): Given N byte argument,
506 return N*2 byte value with argument in Hi/Lo word. Renamed from
507 V1_H2, V1_L2, V2_H4, V2_L4, V4_H8, V4_L8.
508
509 * sim-alu.h (ALU32_HAD_OVERFLOW): Use 64 bit mask not 32bit.
510 (ALU16_HAD_CARRY, ALU32_HAD_CARRY, ALU16_HAD_OVERFLOW): Use MSBIT
511 so that bit offset is explicit.
512
fafce69a
AC		 513Wed Aug 27 11:55:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
514
515 * sim-utils.c (sim_analyze_program): Add prog_name argument.
516 Update STATE_PROG_BFD when needed with a dup'd copy of the
517 program.
518
519 * sim-config.c (sim_config): Delete ABFD argument, use
520 STATE_PROG_BFD directly.
521
522Tue Aug 26 12:55:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
523
524 * run.c (main): Pass the open ABFD to sim_create_inferior.
525
526 * nrun.c (main): Determine prog_bfd. Pass to sim_create_inferior
527 and sim_load.
528 (bfd.h): Include.
529
530 * sim-hload.c (sim_load): New file. Implement generic sim_load for
531 hardware only simulator targets.
532
533 * Make-common.in (sim-hload.o): Add rule.
534
d07dddd2
AC		 535Wed Aug 27 09:51:42 1997 Andrew Cagney <cagney@b1.cygnus.com>
536
537 * sim-utils.c (sim_copy_argv): Rewrite to match malloc strategy
538 used by copyargv and freeargv.
539
540 * sim-options.c (sim_parse_args): Save a copy of PROG-ARGS in
541 STATE_PROG_ARGV, not just a pointer.
542
247fccde
AC		 543Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
544
545 * configure: Regenerated to track ../common/aclocal.m4 changes.
546 * config.in: Ditto.
547
548Mon Aug 25 12:11:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
549
550 * aclocal.m4 (sim-endian): Add second argument to
551 SIM_AC_OPTION_ENDIAN. First is hardwired endian, second is
552 default endian when not hardwired.
553
554 * sim-config.h (WITH_DEFAULT_TARGET_BYTE_ORDER): New macro, if all
555 else failes value for target byte order.
556
557 * sim-config.c (sim_config): Add abfd arguments. Set
558 STATE_PROG_BFD accordingly. Determine prefered_target_byte_order
559 from same.
560 (sim_config): Return SIM_RC, don't abort.
561 (bfd.h): Include.
562
563 * run.c (main): Update call to sim_open - add ABFD argument.
564 * nrun.c (main): Add NULL ABFD argument.
565
052d7984
DE		 566Thu Aug 14 12:48:57 1997 Doug Evans <dje@canuck.cygnus.com>
567
568 * callback.c (os_poll_quit): Make static.
569 Call sim_cb_eprintf, not p->eprintf.
570 (sim_cb_printf, sim_cb_eprintf): New functions.
247fccde
AC		 571 * sim-utils.h (sim_cb_printf, sim_cb_eprintf): Declare.
572
573 * sim-basics.h (zalloc,zfree,sim_add_commas,SIM_ELAPSED_TIME,
574 sim_elapsed_time_get,sim_elapsed_time_since): Move decls to
575 sim-utils.h. #include sim-utils.h.
576 * sim-utils.h: Above decls moved here.
577 (sim_analyze_program,sim_load_file): Use `struct _bfd', not `bfd'.
578
579 * sim-watch.c (action_watchpoint): Fix thinkos.
052d7984
DE		 580
581Thu Jul 24 08:48:05 1997 Stu Grossman (grossman@critters.cygnus.com)
582
583 * sim-types.h: Fix defs of 64 bit data types for MSVC.
584
e6609d8f
DE		 585Tue Jul 22 10:35:37 1997 Doug Evans <dje@canuck.cygnus.com>
586
587 * sim-n-core.h (sim_core_write_unaligned_N): Add missing break
588 to FORCED_ALIGNMENT case.
589
84e8cd0f
AC		 590Thu Jun 5 13:48:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
591
592 * callback.c (target_to_host_open): Handle hosts with O_BINARY.
593
594Thu Jun 5 08:47:10 1997 Jeffrey A Law (law@cygnus.com)
595
596 * Make-common.in (libsim.a): Fix typo.
597
897f67b7
AC		 598Thu Jun 5 13:48:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
599
600 * nrun.c (main): Verify the structure returned before using it.
601
896eab00
AC		 602Wed Jun 4 11:44:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
603
604 * sim-config.h (WITH_ENGINE): Enable the sim-engine module by
605 default.
606
607 * sim-engine.c (sim_engine_install): New function. Install the
608 engine init functions.
609 (sim_engine_init): [Re]initialize the simulator engine.
610
611 * sim-module.c: Add sim_engine to list of modules that always
612 install.
613
56e7c849
AC		 614Tue Jun 3 04:52:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
615
616 * sim-watch.c (schedule_watchpoint): Use sim_unschedule_watchpoint
617 to remove the old watchpoint, not delete_watchpoint.
618 (watch_option_handler): Action the correct watchpoint, not just
619 cycles.
620
621Wed May 28 14:47:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
622
623 * sim-n-core.h (sim_core_write_aligned_N): For 8byte reads, output
624 both low and high word.
625 (sim_core_write_aligned_N): Ditto.
626
627 * sim-trace.c (set_trace_options): Delete code explicitly setting
628 core->trace.
629
630 * sim-options.c (sim_print_help): Call the list commands if not a
631 standalone simulator.
632 (sim_print_help): Advise that some options may not be applicable.
633
634 * sim-trace.c (set_trace_options): Assume core present.
635
636 * sim-events.c (sim_events_schedule_after_signal): Overflow signal
637 buffer when full not almost full.
638
2f2e6c5d
AC		 639Tue May 27 14:32:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
640
1a70e182
AC		 641 * sim-events.c (sim_events_process): Don't blat the event queue
642 when processing watchpoints.
643
644 * sim-watch.h: Make arg unsigned long - stop sign extension.
645
646 * sim-events.c (sim_watch_valid): rewrite so debugable.
647
648 * sim-config.h (WITH_XOR_ENDIAN): Default to zero.
649
2f2e6c5d
AC		 650 * sim-watch.c (schedule_watchpoint): Add is_within option so that
651 inequality test is possible.
652 (handle_watchpoint): Re-pass is_within arg.
653 (watch_option_handler): When `!' prefix to pc-watchpoint arg pass
654 0 to schedule_watchpoint's is_within arg.
655 (sim_watchpoint_init): Re-pass is_within arg.
656
657 * sim-options.c (sim_print_help): Add is_command argument. Don't
658 include -- prefix when called from the command line interpreter.
659
660 * sim-watch.c (schedule_watchpoint): Pass true is_within argument.
661
662 * sim-events.c (sim_events_watch_sim): Add is_within argument,
663 zero indicates that the test should be reversed.
664 (sim_events_watch_core): Ditto.
665 (WATCH_CORE): Compare range against is_within.
666 (WATCH_SIM): Ditto.
667
668Tue May 27 12:48:03 1997 Andrew Cagney <cagney@b2.cygnus.com>
669
670 * sim-events.c (WATCH_CORE): Pass NULL cpu argument to
671 sim_core_read_buffer. Check nr-bytes transfered.
672
673 * sim-core.h (sim_core_common): Define a new struct that contains
674 the common data. to sd and cpu structures.
675 * sim-core.c (sim_core_attach): Update.
676 (sim_core_init): Update. Remember to copy initialized data to each
677 cpu.
678 (sim_core_find_mapping): Ditto.
679
680 * sim-core.c (sim_core_read_buffer): Add cpu argument.
681 (sim_core_write_buffer): Ditto.
682
683 * sim-n-core.h (sim_core_read_unaligned_N): When mis-aligned
684 transfer use xor version of read buffer.
685 (sim_core_write_unaligned_N): Ditto for write.
686
687 * sim-core.c (sim_core_xor_read_buffer): New function implement
688 xor-endian data read breaking transfer up into xor-endian sized
689 blocks.
690 (sim_core_xor_write_buffer): Ditto for write.
691 (reverse_n): Reverse order of arbitrary number of bytes in buffer
692 - needed for xor-endian transfers.
693
cd0d873d
AC		 694Fri May 23 14:24:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
695
696 * sim-inline.h: Review description.
697
698 * sim-core.h, sim-core.c: Reduce number of functions being inlined
699 to just those involved in data transfers and configuration.
700
701 * sim-xcat.h (XSTRING): New macro, map macro definition onto
702 string.
703 * sim-n-core.h (sim_core_read_aligned_N): Use.
704 (sim_core_read_unaligned_N): Ditto.
705 (sim_core_read_unaligned_N): Ditto..
706 (sim_core_write_unaligned_N): Ditto.
707
708 * sim-core.h: Add xor endian bitmap to main structure. *
709
710 sim-n-core.h (sim_core_write_aligned_N): Add suport for xor
711 endian.
712 (sim_core_read_aligned_N): Ditto.
713
714 * sim-core.c (sim_core_set_xor_endian): New function.
715 (sim_core_attach): Don't overwrite the per-cpu xor map when
716 cloning the global core.
717
8167e102
AC		 718Fri May 23 10:53:13 1997 Andrew Cagney <cagney@b1.cygnus.com>
719
720 * sim-engine.h: Update below so that it is using an enumerated
721 type.
722
6e61ecfc
GRK		 723Thu May 22 09:12:16 1997 Gavin Koch <gavin@cygnus.com>
724
725 * sim-engine.c (sim_engine_restart):
726 * sim-resume.c (sim_resume): Change longjmp param/setjmp
727 return value used for simulator restart from 0 to 2.
728
50a2a691
AC		 729Wed May 21 08:47:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
730
731 * cgen-scache.c (scache_option_handler): Add is_command arg.
732
733 * sim-model.c (model_option_handler): Add is_command argument.
734
735 * sim-profile.c (profile_option_handler): Add is_command arg.
736
737 * sim-events.c (sim_watch_valid): Use ub64, lb64 when 64bit value
738 involved.
739
740 * sim-module.c (sim_module_add_init_fn): Call init fn in the same
741 order that they are registered.
742
743 * sim-options.h (OPTION_HANDLER): Add argument to differentiate
744 between option and command line processing.
745
746 * sim-options.c: Include stdlib.h, ctype.h.
747
748 * Make-common.in (sim-watch.o): Add rule.
749 (sim_main_headers): Assume sim-assert.h included.
750 (sim-*.o): Simplify make rule.
751
752 * sim-module.c: Add sim_watch_install to module list.
753
754Tue May 20 14:15:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
755
756 * sim-base.h (STATE_LOADED_P): New predicate. Set once everything
757 has been loaded.
758
759 * sim-trace.c (trace_install): Check magic. Include sim-assert.h.
760 * sim-events.c (sim_events_install): Ditto.
761 * sim-core.c (sim_core_install): Ditto.
762 * sim-model.c (model_install): Ditto.
763 * sim-options.c (standard_install): Ditto.
764 * sim-profile.c (profile_install): Ditto.
765 * sim-reason.c (sim_stop_reason): Ditto.
766 * sim-run.c (sim_engine_run): Ditto.
767 * sim-utils.c (sim_analyze_program): Ditto.
768
769 * sim-module.c (modules): Make profile_install and trace_install
770 optional.
771
772 * sim-base.h (STATE_MEM_BASE): Define for flat memory systems.
773
774 * sim-options.c (standard_option_handler): Set the byte order.
775
776 * sim-events.c (sim_events_process): Allow multi tick processing.
777 (sim_events_tickn): New function - multi cycle tick.
778
779 * sim-events.h (sim_events_tickn, sim_events_timewarp): Add
780 prototypes. Under development.
781 (sim_events): Replace processing with nr_ticks_to_process.
782
783Tue May 20 09:39:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
784
785 * nrun.c (main): Pass callbacks to sim_open instead of using
786 sim_set_callbacks.
787
788 * run.c (main): Ditto.
789
f03b093c
AC		 790Mon May 19 12:07:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
791
fd76456b
AC		 792 * sim-events.c (sim_events_zalloc): Signal save memory allocator -
793 stop tk interrupting malloc calls.
794 (sim_events_zalloc): Converse.
795
796 * Make-common.in (sim_main_headers): Add sim-events.h.
797
798 * sim-events.c (sim_events_schedule_after_signal): Change return
799 type to void - signal events are strictly internal.
800 (sim_events_init): Allocate a finite buffer for signal events.
801 (sim_events_schedule_after_signal): Enter signal events into the
802 signal buffer.
803
804 * sim-engine.c (sim_engine_halt): Check SIM_DESC magic.
805 (sim_engine_restart): Ditto.
806 (sim_engine_abort): Ditto.
807 * sim-stop.c (sim_stop): Ditto.
808 (control_c_simulation): Ditto.
809 * sim-resume.c (sim_resume): Ditto.
810 (has_stepped): Ditto.
811 * sim-abort.c (sim_engine_abort): Ditto.
812
f03b093c
AC		 813 * sim-basics.h (transfer_type): New type.
814
815 * sim-core.c (sim_core_signal): New function. Print core signal
816 information.
817 (sim_core_find_mapping): Add transfer argument.
818
819 * sim-n-core.h (sim_core_{write,write}_unaligned_N): Call
820 SIM_CORE_SIGNAL if a recoverable abort.
821 * sim-core.c (sim_core_find_mapping): Ditto.
822
823Fri May 16 15:13:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
824
825 * sim-core.c (sim_core_find_mapping): Replace calls to
826 sim_io_error to more resiliant sim_engine_abort.
827
828 * sim-n-core.h (sim_core_read_unaligned_N): Ditto.
829 (sim_core_write_unaligned_N): Ditto.
830
831Tue May 13 13:50:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
832
833 * sim-module.c: Add sim_events_install to list.
834
835 * sim-events.c (sim_events_install, sim_events_uninstall): Clonse
836 from sim_core_*.
837 (sim_events_init): Now returns SIG_RC.
838
839 * sim-run.c: New file. Generic sim_engine_run.
840 * sim-reason.c: New file. Generic sim_stop_reason.
841 * sim-stop.c: New file. Generic sim_stop.
842 * sim-resume.c: New file. Generic sim_resume.
843
844 * Make-common.in (sim-engine.o): Add rule.
845 (sim-run.o, sim-reason.o, sim-stop.o, sim-resume.o): Ditto.
846
847 * sim-engine.h, sim-engine.c: New file. Provide generic
848 implementation of sim_engine_halt, sim_engine_error. et.al.
849
850 * sim-base.h (sim_state_base): Add member halt.
851 (sim-engine.h): Include.
852
853 * sim-events.h (sim_event_handler): Always pass SIM_DESC to event
854 handlers.
855 * sim-events.c (sim_events_poll): Update event handler.
856
857Tue May 13 09:57:49 1997 Andrew Cagney <cagney@b2.cygnus.com>
858
859 * sim-events.h, sim-events.c (sim_events_watch_clock): New
860 function.
861 (sim_events_watch_sim): New function.
862 (sim_events_watch_core): New function.
863 (sim_watch_valid): New function.
864 (sim_events_preprocess): New function.
865 (sim_events_process): Process the watchpoints as well as the timer
866 queue.
867 (sim_events_tick): Check WORK_PENDING instead of the hold queue.
868 (sim_events_deschedule): Check all the queues when removing an
869 event.
870 (sim_events_init): Ditto for cleaning.
871
872Mon May 19 12:07:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
873
874 * sim-fpu.c (is_ufpu_number): Comment out - currently unused.
875
11ab132f
AC		 876Mon May 19 11:23:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
877
878 * callback.c (os_open): Type of arg flags is int.
879
63aa80ff
MM		 880Fri May 16 22:26:43 1997 Michael Meissner <meissner@cygnus.com>
881
882 * sim-fpu.c (sim_fpu_is_{eq,ne,lt,le,gt,ge}): Compare Infinities
883 just like normal numbers as per IEEE rules.
884
248c1fb8
JL		 885Wed May 14 21:20:38 1997 Bob Manson <manson@charmed.cygnus.com>
886
887 * callback.c (os_close): Mark the descriptor as being
888 available if the close succeeded.
889 (os_open): Pass 0644 as the mode of the file being created.
890
d24f06ee
AC		 891Thu May 15 10:58:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
892
07b4c0a6
AC		 893 * sim-fpu.c (pack_fpu, unpack_fpu): New functions - decode a
894 float.
895
896 * sim-inline.c (SIM_INLINE_C): Rename from _SIM_INLINE_C_.
897 * sim-lnline.h: Update.
898
899 * sim-fpu.h, sim-fpu.c (sim_fpu_[iu]{32,64}to): New int2fp
d24f06ee 900 conversion functions.
07b4c0a6 901 (sim_fpu_to{32,64}[iu]): New fp2int functions.
d24f06ee
AC		 902
903 * sim-fpu.h, sim-fpu.c (sim_fpu_is_{lt,le,eq,ne,ge,gt}): New fp
904 compare functions. Replacing.
905 (sim_fpu_cmp): This. Delete.
906
c445af5a
AC		 907Mon May 12 14:49:05 1997 Andrew Cagney <cagney@b1.cygnus.com>
908
909 * sim-core.c (sim_core_find_mapping): Call engine_error not
910 sim_io_error when possible.
911
912Mon May 12 08:55:07 1997 Andrew Cagney <cagney@b2.cygnus.com>
913
914 * sim-endian.h (V1_H2): Add macro's to insert a word into a
915 high/low double word.
916
917 * sim-trace.h: Remove definition of attribute - defined in
918 sim_basics.h.
919
e05e76e8
AC		 920Mon May 12 08:55:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
921
922 * sim-options.h (struct OPTION): Add doc_opt as the documenting
923 name of the option - or family of options.
924
925 * sim-options.c (sim_args_command): Match command `a-b c' with
926 option `--a-b-c' from option table.
927
43c53e07
AC		 928Thu May 8 12:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
929
930 * sim-options.c (sim_print_help): For optional arguments, wrap
931 them in [].
932
933 * sim-trace.c (set_trace_options): New function, handle optional
934 argument and multiple assignment.
935 (trace_option_handler): Update.
936
937 * sim-trace.c (trace_option_handler): Trace branch and not fpu
938 when branch tracing selected.
939
381f42ef
AC		 940Wed May 7 15:19:58 1997 Andrew Cagney <cagney@b1.cygnus.com>
941
942 * sim-trace.c (trace_one_insn): Make a va-args function.
943
944 * sim-trace.c (trace_vprintf): New function, va-arg version of
945 trace_printf.
946
ea4e4493
DE		 947Tue May 6 16:38:16 1997 Doug Evans <dje@canuck.cygnus.com>
948
949 * sim-trace.c (trace_uninstall): Don't close a file twice.
bd3274c6 950 * sim-profile.c (profile_uninstall): Likewise.
ea4e4493 951
a7724171
MM		 952Tue May 6 06:14:01 1997 Mike Meissner <meissner@cygnus.com>
953
954 * sim-trace.c (toplevel): Include bfd.h.
955 (trace_options): Note that --trace-linenum also turns on
7b167b09 956 --trace-insn. Add --trace-{branch,semantics}.
a7724171 957 (trace_option_handler): If --trace-linenum, also turn on
7b167b09
MM		 958 --trace-insn. Add --trace-branch support. If --trace-semantics,
959 turn on ALU, FPU, branch, and memory tracing.
a7724171
MM		 960 (trace_one_insn): New function to trace an instruction. Support
961 --trace-linenum.
7b167b09 962 (OPTION_TRACE_*): Use an enum, rather than lots of defines.
a7724171 963
7b167b09
MM		 964 * sim-trace.h (TRACE_{SEMANTICS,BRANCH}_IDX): Add new macros.
965 (MAX_TRACE_VALUES): Use 32, not 12 by default.
966 (TRACE_branch): Add new mask.
967 (TRACE_*_P): Define all possible trace_p macros.
a7724171
MM		 968 (trace_one_insn): Declare function.
969
23b04e79
MM		 970Mon May 5 14:08:34 1997 Mike Meissner <meissner@cygnus.com>
971
972 * sim-trace.h (__attribute__): Define as nothing if not GNU C or
973 GNU C doesn't support __attributes__.
974 ({trace,debug}_printf): Add attribute's so -Wformat can check the
975 format strings.
976
7a418800
AC		 977Mon May 5 11:16:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
978
979 * sim-config.h (FORCED_ALIGNMENT): New alignment option -
980 addresses are masked forcing them to be correctly aligned.
981 (WITH_ALIGNMENT): Make NONSTRICT_ALIGNMENT the default.
982 * sim-config.c (config_alignment_to_a): Update.
983
984 * sim-core.h (sim_cpu_core): New data type contains cpu specific
985 core data.
986 * sim-base.h (CPU_CORE): Add cpu specific core data to cpu base
987 type.
988 * sim-core.c (sim_core_attach): Add CPU argument. Ready for
989 processor specific core maps.
990 (sim_core_map_attach): Copy the core map data to each of the
991 processor specific core data structures.
992 * sim-core.c (sim_core_find_mapping): Update.
993
994 * sim-n-core.h (sim_core_read_N, sim_core_write_N): Rename.
995 (sim_core_write_aligned_N, sim_core_write_aligned_N): New names.
996 (sim_core_write_unaligned_N, sim_core_write_unaligned_N): New
997 alternatives that handle unaligned addresses.
998 (sim_core_{read,write}_{,un}aligned_N): Drop SIM_DESC arg, replace
999 with just CPU arg.
1000 * cgen-utils.c (sim_disassemble_insn): Update.
1001
3971886a
AC		 1002Mon May 5 13:19:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
1003
1004 * sim-trace.h (TRACE_FPU_IDX): Add Floating-point specific
1005 tracing.
1006
1007 * sim-fpu.h, sim-fpu.c: New files - prototype for generic target
1008 fpu support.
1009
1010 * sim-inline.h, sim-inline.c: Add support for SIM_FPU.
1011
1fe05280
AC		 1012Fri May 2 17:59:42 1997 Andrew Cagney <cagney@b1.cygnus.com>
1013
1014 * sim-core.c (sim_core_map_to_str): New function ascii equivalent
1015 to map type.
1016
1017 * sim-n-core.h (sim_core_read_N, sim_core_write_N): Use in trace
1018 statement.
1019
1020Fri May 2 17:28:02 1997 Andrew Cagney <cagney@b2.cygnus.com>
1021
1022 * cgen-trace.c: Prepend additional trace_printf argument.
1023
1024 * cgen-utils.c (sim_disassemble_insn): Add additional core
1025 arguments.
1026
1027Fri May 2 11:40:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1028
1029 * nrun.c (main): Catch/report errorenous simulator states.
1030
1031 * sim-module.c: #include "libiberty.h" so that xmalloc is defined.
1032 * sim-trace.c: #include string.h/strings.h so that memset is
1033 defined.
1034 * sim-utils.c: Ditto.
1035 * sim-profile.c: Ditto. And stdlib.h.
1036 (print_bar): Only define when used by instruction or memory profiler.
1037
1038 * sim-options.c (standard_option_handler): Make ul more local.
1039
1040 * sim-load.c (sim_load_file): Make the name constant.
1041 (sim_load_file): Passify gcc.
1042
1043 * sim-utils.h: New file, pre-declare utilites in corresponding .c
1044 file.
1045 * sim-utils.c, sim-load.c: Include sim-utils.h.
1046
1047 * sim-base.h (sim_cpu): Pre define here so available to all.
1048
1049 * sim-core.h (DECLARE_SIM_CORE_WRITE_N, DECLARE_SIM_CORE_READ_N):
1050 Restore the sim_cpu and instruction_address arguments so that full
1051 information is available to the abort function.
1052 * sim-core.c (sim_core_find_mapping, sim_core_write_buffer): Ditto.
1053 * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1054
1055 * sim-trace.h, sim-trace.c (trace_option_handler): Add interim
1056 tracing support for sim-events and sim-core.
1057 (trace_option_handler): Convert #if to if where possible so always
1058 compiled/checked by C compiler.
1059 * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1060
1061 * sim-base.h: Adjust comment documenting how to define the cpu
1062 structure.
1063 (sim_state_base): Add sim_core and sim_events to simulator base
1064 object.
1065
1066 * sim-trace.h, sim-trace.c (trace_printf): Add SIM_DESC argument.
1067 * sim-core.c (sim_core_init, sim_core_attach,
1068 sim_core_find_mapping): Update.
1069 * sim-events.c (ETRACE, sim_events_init, sim_events_time,
1070 update_time_from_event, insert_sim_event,
1071 sim_events_schedule_after_signal, sim_events_deschedule,
1072 sim_events_tick): Ditto.
1073
1074 * sim-basics.h (sim-module.h, sim-trace.h, sim-profile.h,
1075 sim-model.h): Move #includes from here.
1076 * sim-base.h: To here.
1077 (sim-core.h, sim-events.h, sim-io.h): Include also
1078
1079Wed Apr 30 15:37:54 1997 Andrew Cagney <cagney@b1.cygnus.com>
1080
1081 * callback.c (default_callback): Missing initialisers.
1082
c967f187
DE		 1083Thu May 1 10:40:47 1997 Doug Evans <dje@canuck.cygnus.com>
1084
2317a499
DE		 1085 * sim-utils.c (sim_add_commas): New function.
1086 * sim-basics.h (sim_add_commas): Add prototype.
1087 * cgen-scache.c (scache_print_profile): Print commas in numbers.
1088 * sim-profile.c (COMMAS): New macro.
1089 (print_*): Use it to print commas in numbers.
1090
260b2c47
DE		 1091 * configure: Regenerated.
1092
1093 * cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
1094 (cgen_state): New member run_fast_p.
1095 (cgen_init): Add prototype.
1096 (sim_disassemble_insn): New arg `cpu'.
1097 * cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
1098 * cgen-utils.c (cgen_init): New function.
1099 (sim_disassemble_insn): New arg `cpu'. Rewrite fetching of insn.
1100 * genmloop.sh: Call engine_halt if loop exits.
1101
c967f187
DE		 1102 * Makefile.in (sim-options_h): Define.
1103 (sim-{module,options,trace,profile,utils}.o): Clean up dependencies.
1104 (sim-model.o): Add new rule.
1105 (cgen-{scache,trace,utils}.o): Add new rules.
1106 * aclocal.m4 (SIM_AC_OPTION_{SCACHE,DEFAULT_MODEL}): Add.
1107 * cgen-scache.c (scache_print_profile): Change `sd' arg to `cpu'.
1108 Indent output by 2 spaces.
1109 * cgen-scache.h (scache_print_profile): Update.
1110 * cgen-trace.c (trace_insn_fini): Indent output by 2 spaces.
1111 Use trace_printf, not fprintf.
1112 (trace_extract): Use trace_printf, not cgen_trace_printf.
1113 * genmloop.sh (!FAST case): Increment `insn_count'.
1114 * sim-base.h (sim_state_base): Only include scache_size if WITH_SCACHE.
1115 (sim_cpu_base): Rename member `sd' to `state' to be consistent with
1116 access macro's name.
1117 * sim-core.c (sim_core_init): Use EXTERN_SIM_CORE to define it.
1118 Change return type to SIM_RC.
1119 (sim_core_{install,uninstall}): New functions.
1120 * sim-core.h (sim_core_{install,uninstall}): Declare.
1121 (sim_core_init): Use EXTERN_SIM_CORE to define it.
1122 Change return type to SIM_RC.
1123 * sim-model.h (models,machs,model_install): Declare.
1124 * sim-module.c (modules): Add scache_install, model_install.
1125 (sim_post_argv_init): Set cpu->state backlinks.
1126 * sim-options.c (standard_options): Delete --simcache-size,--max-insns.
1127 (standard_option_handler): Likewise.
1128 * sim-profile.c (PROFILE_{HISTOGRAM,LABEL}_WIDTH): Move to
1129 sim-profile.h.
1130 (*): Assume ANSI C.
1131 (profile_options): Delete --profile-simcache.
1132 (profile_option_handler): Likewise.
1133 (profile_print_insn): Change `sd' arg to `cpu'. Indent output 2
1134 spaces.
1135 (profile_print_{memory,model}): Likewise.
1136 (profile_print_simcache): Delete.
1137 (profile_print_speed): New function.
1138 (profile_print): Rewrite.
1139 * sim-profile.h (PROFILE_scache): Renamed from PROFILE_simcache.
1140 (WITH_PROFILE_SCACHE_P): Renamed from WITH_PROFILE_SIMCACHE_P.
1141 (PROFILE_DATA): Delete members simcache_{hits,misses}.
1142 (PROFILE_COUNT_SIMCACHE_{HIT,MISS}): Delete.
1143 (PROFILE_{CALLBACK,CPU_CALLBACK}): New types.
1144 (profile_print): Update prototype.
1145
717dbb29
DE		 1146Wed Apr 30 11:34:14 1997 Doug Evans <dje@canuck.cygnus.com>
1147
6475b234 1148 * cgen-scache.[ch], cgen-sim.h: New files.
b9c8cd10
DE		 1149 * cgen-trace.[ch], cgen-types.h, cgen-utils.c, genmloop.sh: New files.
1150 * sim-model.c: New file.
1151
717dbb29
DE		 1152 * Make-common.in (clean targets): Undo patch of Apr. 22.
1153
1154Fri Apr 25 15:28:32 1997 Mike Meissner <meissner@cygnus.com>
1155
1156 * sim-n-bits.h (signed): If we have a standard compiler, undef
1157 signed, so that signedN is defined correctly.
1158
b320601b
DE		 1159Thu Apr 24 00:00:07 1997 Doug Evans <dje@canuck.cygnus.com>
1160
1161 * sim-module.h, sim-model.h, sim-profile.h: New files.
1162 * sim-module.c, sim-profile.c: New files.
1163 * Make-common.in (SIM_PROFILE): Define
1164 (CONFIG_CFLAGS): Add $(SIM_PROFILE).
1165 (sim_main_headers): Add sim-module.h, sim-model.h, sim-profile.h.
1166 (sim_module.o,sim-profile.o): Add rules for.
1167 * aclocal.m4 (--enable-sim-trace): Allow symbolic arguments.
1168 (--enable-sim-profile): Add.
1169 * configure: Regenerated.
1170 * sim-base.h (sim_state_base): New members init_list, uninstall_list,
1171 model. Move trace and profile support to sim-{trace,profile}.h.
1172 New members trace_data, profile_data.
1173 * sim-basics.h: #include sim-module.h, sim-model.h, sim-profile.h.
1174 * sim-config.h: Provide default definition of WITH_PROFILE.
1175 (WITH_TRACE): Change default to -1.
1176 (MAX_NR_PROCESSORS): Always define.
1177 * sim-options.c: Move trace and profile support to
1178 sim-{trace,profile}.h.
1179 (sim_pre_argv_init): Moved to sim-model.c.
1180 (standard_install): New function.
1181 * sim-options.h (sim_pre_argv_init): Move decl to sim-model.c.
1182 (standard_install): Declare.
1183 * sim-trace.c: Tracing option handling moved here from sim-options.c.
1184 (trace_install, trace_uninstall): New functions.
1185 (trace_printf): Update reference to TRACE_FILE.
1186 * sim-trace.h (TRACE_FOO_IDX): Moved here from sim-base.h.
1187 (TRACE_foo): Bit masks for symbolic arguments to --enable-sim-trace.
1188 (WITH_TRACE_FOO_P): Define.
1189 (trace_install): Declare.
1190 (TRACE_DATA): New struct.
1191
ef751fb0
DE		 1192Wed Apr 23 17:23:15 1997 Doug Evans <dje@canuck.cygnus.com>
1193
1194 * run.c: Undo last exec_bfd patch.
1195 (main): Only pass -E ifdef SIM_HAVE_BIENDIAN.
1196
e3eba3fd
MM		 1197Wed Apr 23 17:54:27 1997 Mike Meissner <meissner@cygnus.com>
1198
1199 * run.c (exec_bfd): Add back in.
1200 (main): Set exec_bfd.
1201
2c27ef78
DE		 1202Tue Apr 22 14:43:46 1997 Doug Evans <dje@canuck.cygnus.com>
1203
1204 * sim-load.c (sim_load_file): #include <stdio.h> for NULL.
1205
15c16493
AC		 1206Wed Apr 23 02:55:54 1997 Andrew Cagney <cagney@b1.cygnus.com>
1207
1208 * sim-events.c (insert_sim_event): Call sim_io_error instead of
1209 less well defined engine_error.
1210 * sim-core.c: Ditto.
1211
0f399b0c
SG		 1212Tue Apr 22 08:48:16 1997 Stu Grossman (grossman@critters.cygnus.com)
1213
1214 * Make-common.in: Change clean targets to use :: so that other
1215 Makefiles can have their own clean targets.
1216 * sim-load.c (xprintf eprintf): Use ANSI_PROTOTYPES instead of
1217 __STDC__ to control use of stdarg vs. varargs syntax. Some
1218 systems can't use __STDC__, but require stdarg.
1219
4a6163db
DE		 1220Fri Apr 18 11:14:43 1997 Doug Evans <dje@canuck.cygnus.com>
1221
e65bd1d8
DE		 1222 * sim-options.c (standard_options): Add --endian.
1223 (standard_option_handler): Likewise.
1224
4a6163db
DE		 1225 * nrun.c: #include <signal.h>.
1226 (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1227 handler that calls sim_stop ().
1228
8517f62b
AC		 1229Fri Apr 18 13:11:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
1230
1231 * run.c (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1232 handler that calls sim_stop (). Simulators may still be
1233 establishing their own handler.
1234
1235 * sim-events.c (sim_events_poll): Rename from
1236 sim_events_at_large_int. Poll IO.
1237
1238 * sim-io.c (sim_io_poll_quit): New function - pass on a polling
1239 request.
1240
1241 * callback.c (os_poll_quit): New function poll for quit signal
1242 where needed.
1243 (default_callback): Include magic number.
1244
0f2811d1
DE		 1245Thu Apr 17 02:25:11 1997 Doug Evans <dje@canuck.cygnus.com>
1246
63ddb6bd
DE		 1247 * aclocal.m4: Check for headers time.h, sys/time.h, sys/resource.h.
1248 Check for functions getrusage, time.
1249 * sim-basics.h (SIM_ELAPSED_TIME): New typedef.
1250 (sim_elapsed_time_get, sim_elapsed_time_since): Add prototypes.
1251 * sim-utils.c: #include time.h, sys/time.h, sys/resource.h if able.
1252 (sim_elapsed_time_get, sim_elapsed_time_since): New functions.
1253
ba65b2f4
DE		 1254 * sim-utils.c (sim_copy_argv, sim_analyze_program): New functions.
1255
4ede3a83 1256 * sim-options.c, sim-options.h: New files.
4b364b00 1257 * sim-config.h (WITH_DEBUG): Provide default value of zero.
e9b2f579 1258 * Make-common.in (nrun.o): Add rules for.
c95d08a8 1259 * nrun.c: New file.
4ede3a83 1260
f7d2f538
DE		 1261 * run.c (main): Check return value of sim_open.
1262
e9b2f579 1263 * Make-common.in (sim-options.o, sim-load.o, sim-trace.o): Add rules.
0f2811d1
DE		 1264 (sim_main_headers): Add sim-trace.h.
1265 * run.c (exec_bfd, target_byte_order): Delete.
1266 (main): Pass -E <endian> to sim_open. Delete code to load sections,
1267 call sim_load instead. Check return code of sim_create_inferior.
1268 * sim-base.h (CURRENT_STATE): Define.
1269 (sim_state_base): Make typedef. New members options, prog_argv,
1270 prog_bfd, text_{section,start,end}, start_addr, simcache_size,
1271 mem_size, memory [+ corresponding access macros].
1272 (sim_cpu_base): New typedef.
1273 * sim-trace.h: New file.
e9b2f579 1274 * sim-trace.c: New file.
0f2811d1 1275 * sim-basics.h: #include it.
35c384f6 1276 * sim-load.c: New file.
0f2811d1 1277
6808fd61
ILT		 1278Tue Apr 15 15:10:13 1997 Ian Lance Taylor <ian@cygnus.com>
1279
1280 * Make-common.in (INSTALL): Set to @INSTALL@.
1281 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1282 (install-common): Depend upon installdirs. Use
1283 $(program_transform_name) directly, rather than using
1284 $(INSTALL_XFORM).
1285 (installdirs): New target.
1286 * Makefile.in (INSTALL): Set to @INSTALL@.
1287 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1288 (install-man): Depend upon installdirs. Use
1289 $(program_transform_name) directly, rather than using
1290 $(INSTALL_XFORM).
1291 (installdirs): New target.
1292
7ec396d2
AC		 1293Tue Apr 15 15:08:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
1294
1295 * sim-assert.h (SIM_ASSERT, ASSERT): Allow these macros to
1296 be overriden.
1297
1298Wed Apr 9 16:06:44 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1299
1300 * sim-basics.h: Only bring in config.h and tconfig.h if
1301 HAVE_CONFIG_H.
1302
1303Mon Apr 7 11:39:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1304
1305 * sim-config.h (WITH_TARGET_WORD_MSB): New Macro. Define the bit
1306 numbering convention of the target.
1307 * sim-config.c (print_sim_config): Print WITH_TARGET_WORD_BITSIZE
1308 and WITH_TARGET_WORD_MSB.
1309 (sim_config): When possible, check for consistency with bitsize
1310 and msb.
1311
1312 * sim-bits.h: Allow MSB to be other than zero.
1313 * sim-bits.c: Ditto.
1314 * sim-n-bits.h: Ditto.
1315
1316 * sim-bits.h (MSMASK*): New macros - converce to LSMASK*.
1317 * sim-n-bits.h (MSMASKEDn): Ditto.
1318
1319Mon Apr 14 16:29:21 1997 Ian Lance Taylor <ian@cygnus.com>
1320
1321 * Makefile.in (INSTALL): Change install.sh to install-sh.
1322
25a9c90b
DE		 1323Mon Apr 7 10:46:38 1997 Doug Evans <dje@canuck.cygnus.com>
1324
1325 * sim-base.h (sim_state_base): Move `magic' to end of struct.
1326
b4d88827
AC		 1327Mon Apr 7 15:53:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1328
1329 * run.c (main): Check that a program to run was specified.
1330
08db4a65
AC		 1331Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1332
1333 * aclocal.m4 (AC_TYPE_SIGNAL): Add check.
1334
1335 * configure: Regenerated to track ../common/aclocal.m4 changes.
1336 * config.in: Ditto.
1337
fbda74b1
DE		 1338Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
1339
21bfad86
DE		 1340 * sim-endian.h: Move host {LITTLE,BIG}_ENDIAN support from here,
1341 * sim-config.h: To here.
1342
00d74d3e
DE		 1343 * Make-common.in (SIM_EXTRA_DEPS): New config var.
1344 (sim_main_headers): Define.
1345 (sim-*.o): Depend on $(SIM_EXTRA_DEPS).
1346 (BUILT_SRC_FROM_COMMON): Move here from ../d30v/Makefile.in.
1347 (clean): Use it.
1348 (sim-utils.o): Add rule for.
1349 * sim-utils.o: New file.
1350 * sim-basics.h: #include sim-base.h.
1351 (zalloc): Make argument unsigned long.
1352 * sim-base.h: New file.
1353 * sim-inline.h (SIM_IO support): Delete.
1354 * sim-io.h: Delete inline support.
1355 * sim-io.c: Likewise. sim-state.h renamed to sim-main.h.
1356 * sim-config.c: sim-state.h renamed to sim-main.h.
1357 * sim-core.c: Likewise.
1358 * sim-events.c: Likewise.
1359
bcd1475a
DE		 1360 * run.c (main): Pass SIM_OPEN_STANDALONE to sim_open.
1361
fbda74b1
DE		 1362 * aclocal.m4: Check for stdlib.h, string.h, strings.h, unistd.h.
1363 (sim-debug): Allow arguments. Define WITH_DEBUG in addition to
1364 -DDEBUG.
1365 * configure: Regenerated to track ../common/aclocal.m4 changes.
1366
a35e91c3
AC		 1367Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1368
1369 * configure: Regenerated to track ../common/aclocal.m4 changes.
1370
1371Wed Apr 2 11:08:11 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1372
1373 * sim-config.h (WITH_ALIGNMENT, WITH_FLOATING_POINT,
1374 WITH_XOR_ENDIAN, WITH_SMP, WITH_RESERVED_BITS): Assume that these
1375 are defined by the configure.
1376
1377 * aclocal.m4 (sim-stdio): Add option stdio from ../ppc configure.
1378
1379 * aclocal.m4 (floating-point, xor-endian, alignment, smp,
1380 reserved-bits): Always define.
1381
1382 * sim-config.h, sim-config.c (sim_config): New function - and new
1383 file - co-ordinate the setting/checking of the common simulator
1384 configuration options.
1385
1386 * Make-common.in (sim-config.o): Add rule.
1387
1388Fri Mar 28 15:32:00 1997 Mike Meissner <meissner@cygnus.com>
1389
1390 * callback.c (os_{,e}vprintf_filtered): Change stdarg type to
1391 va_list from void *, since va_list might not be a pointer type.
1392
1393Mon Mar 24 15:27:12 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1394
1395 * sim-n-endian.h (offset_N): Correct assertion - word and sub word
1396 in wrong order.
1397 (offset_N): Correct computation of LE offset.
1398
1399 * sim-io.c (sim_io_error): Include a new line when reporting
1400 errors.
1401
1402 * sim-assert.h (SIM_FILTER_PATH): Out by one when locating last
1403 `/'.
1404
aa7cec3f
JL		 1405Thu Mar 20 22:31:06 1997 Jeffrey A Law (law@cygnus.com)
1406
1407 * run.c: Include alloca-conf.h.
7c058c9e
JL		 1408
1409 * callback.c (os_evprintf_filtered): Fix typo.
1410
fa21d299
AC		 1411Fri Mar 21 13:36:20 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1412
1413 * run.c (string.h, strings.h, stdlib.h): Include.
1414
1415 * sim-events.c (sim_events_tick): Recent cleanup failed to return
1416 0 when nothing pending.
1417
1418 * run.c (sim_size, sim_trace): Plicate GCC - these two functions
1419 will soon be going away.
1420 (getopt): Plicate GCC.
1421
1422 * sim-endian.c (sim-io.h): Plicate GCC.
1423 * sim-bits.c (sim-io.h): Ditto.
1424 * sim-n-bits.h (ROTn): Ditto.
1425
1426 * sim-io.c (sim_io_error): Correct check for NULL.
1427
1428 * sim-assert.h (SIM_FILTER_PATH): Separate out the code filtering
1429 the __FILE__.
1430 * sim-events.c: Use SIM_FILTER_PATH to filter out the filename
1431 path.
1432
1433Wed Mar 19 01:12:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1434
1435 * aclocal.m4 (SIM_AC_OPTION_*: Move so that they are outside of
1436 SIM_AC_COMMON - SIM_AC_COMMON was gobling arguments.
1437
4a5fb09d
AC		 1438Tue Mar 18 20:48:12 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1439
1440 * sim-alu.h: Include sim-xcat.h.
1441
d11d59ac
AC		 1442Tue Mar 18 13:58:18 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1443
1444 * Make-common.in (sim-bits.c, sim-core.c, sim-endian.c,
1445 sim-events.c, sim-inline.c, sim-io.c): Define rules for building
1446 these.
1447
1448 * sim-events.c (sim_events_at_large_int): New function. Just
1449 schedules an event every large-int ticks.
1450 (sim_events_init): Call.
1451 (sim_events_tick, sim_events_process): Move async handing to
1452 sim_events_process. Move timer decrement so that it occures after
1453 events have been processed.
1454
1455 * sim-basics.h (struct _engine): Remove declaration.
1456
1457 * sim-events.h, sim-events.c: Rename type to sim_events. Prefix
1458 everything with same. Rename global struct to SIM_DESC.
1459 * sim-core.h, sim-core.c, sim-n-core.c: Ditto for sim_core.
1460 * sim-io.h, sim-io.c: Ditto.
1461
1462 * sim-assert.h: New file. Optional assertion checking macros.
1463 * sim-io.c (sim_io_error): Make just this function tolerant to
1464 null pointers.
1465
1466 * sim-xcat.h: New file. Define concatenate macros.
1467 * sim-basics.h (XCONCAT*): Move to sim-xcat.h.
1468 * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Explicitly include
1469 concat macros.
1470
1471
752517cc
AC		 1472Tue Mar 18 12:44:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1473
1474 * sim-bits.h (LSMASK): New macro. Create mask of LS bits.
1475
86eb1e29
AC		 1476Mon Mar 17 18:10:05 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1477
1478 * sim-inline.h: Add definitions for sim-types.
1479 (ALL_BY_MODULE): New macro, encapsulate full inlining by the
1480 module.
1481
231de1b8
AC		 1482Mon Mar 17 15:38:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1483
1484 * sim-events.h: Remove defunct reference to callback struct.
1485
a77aa7ec
AC		 1486Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1487
1488 * configure: Re-generate.
1489
1490Mon Mar 17 15:04:47 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1491
1492 * Make-common.in (CSEARCH): Do not include the gdb directory in
1493 the search path.
1494
1495Mon Mar 17 13:16:26 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1496
1497 * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
1498 SIM_WARNING): Drop, requiring the simulator specific Makefile.in
1499 to explicitly incorporate these.
1500
1501 * aclocal.m4 (--enable-sim-alignment); New option. Strongly
1502 specify the alignment restrictions of the target architecture -
1503 without this option all alignment restrictions are accomodated.
1504 (--enable-sim-assert): New option. Conditionally compile in
1505 assertion statements.
1506 (--enable-sim-float): New option. Strongly specify the target's
1507 floating point support.
1508 (--enable-sim-hardware): New option. Specify the hardware devices
1509 included in the simulation.
1510 (--enable-sim-packages): New option. Specify the hardware
1511 packages included in the simulation.
1512 (--enable-sim-regparm): New option. Specify that parameters be
1513 passed in registers instead of on the stack.
1514 (--enable-sim-reserved-bits): New option. Specify that reserved
1515 bits within an instruction are are correctly set.
1516 (--enable-sim-smp): New option. Specify the level of SMP support
1517 to be included in the simulator.
1518 (--enable-sim-stdcall): New option. Specify an alternative
1519 function call convention.
1520 (--enable-sim-xor-endian): New option. Configure xor-endian
1521 support used by some targets to implement bi-endian support.
1522
f2de7dfd
AC		 1523Fri Mar 14 19:51:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1524
1525 * aclocal.m4 (--enable-sim-hostendian): New option. Allow the
1526 host endianness to be overridden.
1527 (--enable-sim-endian): Allow the target platform's byte order
1528 to be overridden.
1529 (--enable-sim-inline): Control the inlining of common components.
1530 (--enable-sim-bswap): For compatibility, also define WITH_BSWAP.
1531 (--enable-sim-warnings): Enable additional GCC compiler checks.
1532 * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
1533 SIM_WARNINGS): Add.
1534
1535 * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Rename from
1536 sim-*-n.h so that the names are uniq on dos machines
1537 * sim-core.c, sim-bits.c, sim-endian.c: Update.
1538
499aa792
DE		 1539Thu Mar 13 12:32:42 1997 Doug Evans <dje@canuck.cygnus.com>
1540
1541 * run.c: #include "libiberty.h".
1542 (main): New locals sd,no_args,sim_argv.
1543 Run buildargv on -a option. Pass argv to sim_open, argv[0]
1544 is program name. Update call to sim_set_callbacks.
1545 Record result of sim_open, pass to other sim_foo routines.
1546
fd435e9f
MM		 1547Thu Mar 13 10:24:05 1997 Michael Meissner <meissner@cygnus.com>
1548
1549 * callback.c (os_printf_filtered): Do not call exit(1) or print a
1550 final newline.
1551
1552Thu Mar 6 15:50:28 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1553
1554 * callback.c: Add os_flush_stdout and vprintf_filtered callbacks.
1555 Route stdout through buffered IO.
1556
1557 * callback.c: Add os_flush_stderr, os_write_stderr,
1558 os_evprintf_filtered functions to route error output through
1559 stderr.
1560
1561 * sim-io.h, sim-io.c (sim_io_flush_stderr, sim_io_flush_stdout):
1562 Correct return type - should be void.
1563
1564Fri Mar 7 20:14:37 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1565
1566 * sim-basics.h: Clean up. Many macro's moved to sim-inline.h.
1567
1568 * sim-config.h: Ditto. For some options - eg WITH_DEVICES - do
1569 not provide a default value as undefined indicates disable code.
1570
1571Thu Mar 6 15:50:28 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1572
1573 * sim-core.h, sim-core-n.h, sim-core.c: Borrow code from ppc
1574 directory.
1575 * sim-events.h, sim-events.c: Ditto.
1576 * sim-io.h, sim-io.c: Ditto.
1577
b3e426bc
AC		 1578Tue Mar 4 09:35:56 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1579
1580 * sim-alu.h (ALU_SUB_CA, ALU*_SUB_CA): New alu operation.
1581
1582 * sim-bits.h, sim-bits-n.h, sim-bits.c (LSMASKED*): New macro's
1583 extract the tail or least signifiant bits from an integer of the
1584 specified size.
1585
1586 * sim-bits.h, sim-bits.c: Clean up conditionally compiled #if
1587 WITH_TARGET_BITSIZE so that the compilation will fail when an
1588 unsupported bitsize value is defined.
1589
1590 (INSERTED*): Convert to functions.
1591 (EXTRACTED*): Ditto.
1592
1593 (SIGN_EXTEND, SEXT): Change to more terse name.
1594
17bbcaad
AC		 1595Tue Mar 4 09:35:56 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1596
1597 * sim-inline.h: Allow explicit control over which .c files will be
1598 included by their header.
1599
1600 * sim-inline.h: Allow explicit control over which .c files use the
1601 alternative - REGPARM - parameter passing mechanism.
1602
1603 * sim-inline.h, sim-inline.c: Don't attempt to include any of
1604 icache.c, idecode.c, semantics.c or support.c. Those names are
1605 not generally applicable.
1606
b3e426bc
AC		 1607Thu Feb 27 10:17:23 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1608
1609 * sim-bits.c, sim-bits-n.h (new): Split sim-bits.c into two parts
1610 in a fashion similar to sim-endian-n.
1611
1612 * sim-endian.h: (H_word, L_word, AL_*, VL_*): Extend to include
1613 both value and address macro's.
1614
1615Tue Feb 25 18:51:57 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1616
1617 * sim-alu.h (ALU16_BEGIN, ALU16_SET, ...): Fill in.
1618
1619 * sim-endian.h (L_word, H_word): Replace MS2W_4, LS2W_4 with more
1620 generic L_word, H_word macro's.
1621
17bbcaad
AC		 1622Thu Feb 20 18:36:55 1997 Andrew Cagney <cagney@critters.cygnus.com>
1623
1624 * sim-basics.h: Borrow code from ppc directory.
1625 * sim-bits.c: Ditto.
1626 * sim-bits.h: Ditto.
1627 * sim-config.h: Ditto.
1628 * sim-endian-n.h: Ditto.
1629 * sim-endian.c: Ditto.
1630 * sim-endian.h: Ditto.
1631 * sim-inline.c: Ditto.
1632 * sim-inline.h: Ditto.
1633 * sim-types.h: Ditto.
1634
1635Wed Feb 19 12:40:50 1997 Andrew Cagney <cagney@critters.cygnus.com>
1636
1637 * sim-alu.h (ALU_SET16, ALU_SET32, ALU_SET64, etc): Make available
1638 all the ALU size alternatives and then auto-configure a default.
1639
1640 * sim-alu.h: Copy ppc/idecode_expression.h.
1641
1642Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
1643
1644 * bits.h, bits.c (SIGN_EXTEND32, SIGN_EXTEND64): New functions,
1645 sign extend a bit within a value.
1646
1647 * sim-endian.h, sim-endian-n.h (offset_N): New functions - return
1648 a pointer into the middle of a host word.
1649 * sim-endian.h (MS2W_4, LS2W_4): Use this function.
1650
1651Tue Feb 11 13:46:49 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1652
1653 * callback.c: If HAVE_CONFIG_H is defined, include config.h from
1654 autoconf. If HAVE_UNISTD_H is defined, include unistd.h to get
1655 appropriate definitions of read, write, etc. Add prototype for
1656 system.
1657
1cc9ed29
DE		 1658Tue Feb 4 13:24:44 1997 Doug Evans <dje@canuck.cygnus.com>
1659
1660 * Makefile.in (libcommon.a): Delete.
1661 (callback.o,targ-map.o): Delete, moved to Make-common.in.
1662 (gentmap,targ-vals.h,targ-map.c): Likewise.
1663 (run-autoconf): Delete.
1664 * aclocal.m4 (SIM_AC_OUTPUT): Redo creation of Makefile.
1665 (common makefile fragment): Moved back into ...
1666 * Make-common.in: Resurrect.
1667 * configure.in (AC_LINK_FILES): Delete, unnecessary now.
1668 * configure: Regenerated.
1669
8cd89e77
DE		 1670Fri Jan 31 07:16:49 1997 Doug Evans <dje@canuck.cygnus.com>
1671
1672 * aclocal.m4 (SIM_AC_COMMON): Move COMMON_MAKEFILE_FRAG from here.
1673 (SIM_AC_OUTPUT): To here.
1674
76e2c9ae
SG		 1675Fri Jan 24 10:37:17 1997 Stu Grossman (grossman@critters.cygnus.com)
1676
1677 * aclocal.m4 (COMMON_MAKEFILE_FRAG): Quote a couple of $'s in
1678 comments and single quotes. Fixes a problem found on hpux.
1679
80b7b3a5
SG		 1680Thu Jan 23 13:35:03 1997 Stu Grossman (grossman@critters.cygnus.com)
1681
e1dfb8c5 1682 * aclocal.m4: Remove Make-common.in from dependencies.
42653e99 1683 * (distclean): Remove targ-vals.def.
e1dfb8c5 1684
80b7b3a5
SG		 1685 * aclocal.m4 (SIM_AC_COMMON): Move contents of Make-common.in
1686 into here. Makes insertion into makefiles easier. Also, change
1687 the way that callback.o, gentmap, targ-vals.h, targ-map.c,
1688 targ-map.o, and run are built. They are now built in the
1689 individual simulator directories, taking sources from ../common as
1690 necessary. This replaces the merging of libcommon.a into
1691 linsim.a, which was problematic for the WinGDB build process.
1692 * run.c: Include config.h from . instead of ../common.
1693 * Make-common.in: Remove. It's no longer necessary.
1694
1695Mon Dec 16 15:02:33 1996 Ian Lance Taylor <ian@cygnus.com>
1696
1697 * Make-common.in (ALL_CLAGS): Put CFLAGS at the end.
1698 (.c.o): Put $(ALL_CFLAGS) before the file being compiled.
1699
1700Wed Dec 11 11:30:58 1996 Jim Wilson <wilson@cygnus.com>
1701
1702 * run.c (main): Set target_byte_order before call to sim_open.
1703
966f47b4
DE		 1704Sun Dec 8 18:22:06 1996 Doug Evans <dje@canuck.cygnus.com>
1705
1706 * callback.c: #include <stdlib.h>
1707 (os_error): New function.
1708 (default_callback): Add os_error.
1709
1710Mon Nov 25 19:44:35 1996 Doug Evans <dje@canuck.cygnus.com>
1711
1712 * Make-common.in (Makefile): Set CONFIG_HEADERS="".
1713 * aclocal.m4: Mark the fact that --enable-sim-bswap isn't host
1714 specific.
1715 (SIM_AC_OUTPUT): Don't build Makefile if CONFIG_FILES="".
1716
1717Wed Nov 20 01:11:04 1996 Doug Evans <dje@canuck.cygnus.com>
1718
1719 * run.c: #include ../common/config.h, tconfig.h.
1720 (myname): New static global.
1721 (main): Recognize new options -a, -c. Also recognize -h if h8/300.
1722 Only process -c ifdef SIM_HAVE_SIMCACHE.
1723 Only process -p/-s ifdef SIM_HAVE_PROFILE.
1724 Parse program name from argv[0] and use in error messages.
1725 Pass sim_args to sim_open. Pass prog_args to sim_create_inferior.
1726 Add support for incomplete h8/300 termination indicators.
1727 (usage): Make more verbose.
1728 * aclocal.m4,config.in,tconfig.in,configure.in,configure: New files.
1729 * Makefile.in,Make-common.in,callback.c: New files.
1730 * nltvals.def,gentmap.c,gentvals.sh: New files.
1731
1732Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
1733
1734 * run.c: Include stdarg.h if __STDC__.
1735
1736Tue Oct 15 11:16:31 1996 Jeffrey A Law (law@cygnus.com)
1737
1738 * run.c (main): Don't print out anything if the signal
1739 number is zero (ie no signal).
1740
57bc1a72
MM		 1741Tue Oct 15 11:20:44 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1742
1743 * run.c (main): Print out if the program raised a signal.
1744
1745Wed Sep 18 09:52:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1746
1747 * run.c (exec_bfd): Rename from sim_bfd, to use the gdb name.
1748 (main): Ditto.
1749
3733d109
JSC		 1750Tue Sep 17 11:04:50 1996 James G. Smith <jsmith@cygnus.co.uk>
1751
1752 * run.c (main): Explicitly cast malloc() parameter.
1753
9b280a86
MM		 1754Thu Sep 12 11:27:21 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1755
1756 * run.c (sim_bfd): New global to hold the bfd pointer for the
1757 executable.
1758 (main): Initialize sim_bfd.
1759
1760Fri Dec 15 16:27:49 1995 Ian Lance Taylor <ian@cygnus.com>
1761
1762 * run.c (main): Use new bfd_big_endian macro.
1763
1764Wed Nov 8 15:49:49 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
1765
1766 * run.c (main): Removed SH specific comments, so source is
1767 generic. Also updated to only load relevant sections. Moved
1768 sim_open() to after callback attach (to match GDB).
1769
1770 * run.1: Removed SH specific comments.
1771
3be50301
JW		 1772Sat Oct 21 12:31:01 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1773
1774 * run.c (main): Always return sigrc at end.
1775
1776Tue Oct 10 12:03:13 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1777
1778 * run.c (main): Print error diagnostic and exit if bfd_openr() or
1779 bfd_check_format() fails.
1780
f025d903
SC		 1781Thu Sep 28 15:40:36 1995 steve chamberlain <sac@slash.cygnus.com>
1782
1783 * run.c, run.1: From sh directory.
1784
1785
GDB Binutils - Deliverables
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