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Based on a patch from Ian.Dall@dsto.defence.gov.au.
[deliverable/binutils-gdb.git] / sim / common / ChangeLog
CommitLineData
63be8feb
AC		 1Wed Nov 5 13:40:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
2
3 * sim-core.h (DECLARE_SIM_CORE_WRITE_N. DECLARE_SIM_CORE_READ_N):
4 Add argument M, size of data type.
5 (sim_core_read_misaligned_3, sim_core_write_misaligned_3):
6 Declare, ditto for 5, 6 & 7 byte transfers.
7 (sim_core_write_unaligned_1, sim_core_write_unaligned_1): Define
8 as aligned variant.
9
10 * sim-n-core.h (sim_core_trace_M): Rename from
11 sim_core_trace_N. Add nr_bytes argument. Replace transfer argument
12 with transfer type. Print transfer direction. Handle 1 and 2 byte
13 transfers.
14 (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Trace
15 unaligned accesses.
16 (unsigned_M, T2H_M, H2T_M): Rename from unsigned_N, T2H_N, H2T_N.
17 Update all functions.
18
19 * sim-core.c: Generate functions starting with 16 not 1.
20 (sim_core_read_unaligned_3): Generate. Ditto for 3 byte write and
21 all 5, 6 & 7 byte transfers.
22
23 * sim-n-core.h (sim_core_read_misaligned_N,
24 sim_core_write_misaligned_N): Implement.
25
a26ecda4
AC		 26Mon Nov 3 15:03:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
27
28 * sim-endian.h (U16_8): Implement
29
30 * sim-endian.c (sim_endian_split_16, sim_endian_join_16): New functions
31
32 * sim-endian.h (VL8_16, VH8_16): Implement.
33
34 * sim-memopt.c (memory_option_handler): Typecast 64bit value to
35 long in printf.
36 (memory_option_handler): Only zalloc modulo bytes when non-zero.
37 (memory_option_handler): Skip comma in alias address list
38
fcc86d82
AC		 39Fri Oct 31 13:03:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
40
41 * sim-memopt.c (do_memopt_add, do_memopt_delete): Add level and
42 space params.
43 (parse_size, parse_addr): New functions
44 (memory_option_handler, memory_options): Parse address & size
45 using new functions. Pass level, space, modulo to do_memopt_add &
46 do_memopt_del.
47
48 * sim-memopt.h (struct _sim_memopt): Add level & space fields.
49
50 * sim-core.h (sim_core_arrach, sim_core_detach): Replace
51 `attach_type attach' argument with `unsigned level' argument.
52 Document.
53
54 * sim-core.c (new_sim_core_mapping, sim_core_map_attach,
55 sim_core_attach): Replace argument attach with level. Update
56 verification of arguments.
57 (sim_core_map_detach, sim_core_detach): Replace argument attach
58 with level.
59
60 * sim-basics.h (enum _attach_type): Delete.
61
d048b52d
DE		 62Thu Oct 30 13:45:00 1997 Doug Evans <devans@seba.cygnus.com>
63
64 * sim-core.h (sim_core_write_8): Define.
65
a86809d3
AC		 66Tue Oct 28 12:29:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
67
01b9cd49
AC		 68 * sim-bits.h: Document ROTn macro.
69
89d09738
AC		 70 * sim-endian.h (H2T): Handle 16 byte variables.
71
72 * sim-n-core.h (sim_core_read_unaligned_N): Return a dummy when an
73 error.
74
a86809d3
AC		 75 * sim-core.c: Do not generate sim_core_*_word.
76
77 * sim-n-core.h (sim_core_trace_N): Add line_nr argument.
78 (sim_core_write_aligned_N, sim_core_read_aligned_N): Update.
79
80 * sim-core.h (sim_core_read_unaligned_word,
81 sim_core_read_aligned_word, sim_core_read_word,
82 sim_core_write_unaligned_word, sim_core_write_aligned_word,
83 sim_core_write_word): Change to macros that map onto sim_core_*_N.
84
374b95c1
DE		 85Mon Oct 27 11:25:10 1997 Doug Evans <devans@canuck.cygnus.com>
86
87 * sim-n-endian.h: Add TAGS entrys for 16 byte versions.
88
c3e3e4ad
DE		 89 * sim-endian.h: Disable 16 byte support.
90
f45dd42b
AC		 91Mon Oct 27 12:00:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
92
93 * sim-endian.c (_SWAP_16): Define. Generate 126 bit swap code.
94
95 * sim-n-core.h (sim_core_trace_N): New function.
96 (sim_core_read_aligned_N, sim_core_write_aligned_N): Use,
97 (sim_core_read_unaligned_N): Do not retyrn bogus value wden error.
98
99 * sim-endian.h: Add 128 bit variant.
100
101 * sim-core.h, sim-core.c: Add 128 bit variant.
102
103 * sim-types.h: Add signed128 and unsigned128 types using a struct.
104
4a203fba
AC		 105Fri Oct 24 11:33:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
106
107 * sim-events.c (sim_events_process): Clear events->work_pending.
108 (sim_events_tickn, sim_events_tick): Accumulate, instead of
109 setting, nr_ticks_to_process.
110 (sim_events_preprocess): Allow nr_ticks_to_process to be non-zero
111 when the event queue isn't next.
112
113 * sim-events.h, sim-events.c (sim_events_slip): New function.
114
9e03a68f
AC		 115Wed Oct 22 14:18:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
116
117 * sim-hload.c (sim_load): Pass lma_p==0 and do_load=sim_load.
118
119 * sim-utils.h, sim-load.c (sim_load_file): Add lma_p and do_load
120 arguments.
121
897a1d78
DE		 122Tue Oct 21 18:37:57 1997 Doug Evans <devans@canuck.cygnus.com>
123
124 * nrun.c (main): Remove useless test of name != NULL.
2328ef1c 125 Exit if bfd_openr fails. Call bfd_check_format after bfd_openr.
897a1d78 126
b7432f0f
AC		 127Tue Oct 21 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
128
129 * sim-fpu.c (EXPMAX): Type is unsigned.
130 (MIN_INT, MAX_INT): Type is signed64.
131 (i2fpu): Type of val is signed64.
132
e2f8ffb7
AC		 133Tue Oct 21 10:42:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
134
135 * sim-profile.h (PROFILE_PC_BUCKET_SIZE): Treat a shift of zero as
136 a bucket size of zero.
137
138 * sim-profile.c (OPTION_PROFILE_PC_GRANULARITY,
139 OPTION_PROFILE_PC): Define.
140 (profile_option_handler): Add support for --profile-pc and
141 --profile-pc-granularity options.
142 (profile_pc_init): When possible, compute nr buckets from bucket
143 size.
144
145 * sim-profile.c (profile_pc_init): Align the profile-pc end
146 address with the profile-pc bucket size.
147
148 * sim-profile.h (PROFILE_PC_NR_BUCKETS): Rename PROFILE_PC_SIZE to
149 something less ambiguous.
150 (PROFILE_PC_BUCKET_SIZE): Ditto for PROFILE_PC_SAMPLE_SIZE.
151
152 * sim-profile.c (profile_pc_cleanup): New function. Move
153 profile_pc_uninstall code to here.
154 (profile_pc_uninstall): Call.
155 (profile_pc_init): Call.
156
293a0876
AC		 157Mon Oct 20 17:23:58 1997 Andrew Cagney <cagney@b1.cygnus.com>
158
e2f8ffb7
AC		 159 * sim-profile.c (profile_print_pc): Dump pc profile to dmon.out
160 file using BSD gprof format.
161
293a0876
AC		 162 * sim-bits.h (LSBIT, MSBIT, BIT): Force result to type
163 unsigned_word.
164 (LSBIT8, LSBIT16, LSBIT32, LSBIT64, MSBIT8, MSBIT16, MSBIT32,
165 MSBIT64): Force result to unsignedN.
166
0a0ecb21
AC		 167Thu Oct 16 11:38:56 1997 Andrew Cagney <cagney@b1.cygnus.com>
168
169 * sim-alu.h (ALU16_BEGIN, ALU32_BEGIN, ALU64_BEGIN): Drop opening
170 brace from macro.
171 (ALU8_BEGIN, ALU8_SET, ALU8_ADD, ALU8_SUB, ALU8_NEGATE): Define.
172 (ALU16_ADD, ALU16_SUB, ALU16_NEGATE): Simplify arrithmetic.
173 (ALU32_ADD, ALU32_SUB, ALU32_NEGATE): Simplify arrithmetic.
174 (ALU64_ADD, ALU64_SUB, ALU64_NEGATE): Simplify arrithmetic.
175
fd89abc2
AC		 176Wed Oct 15 09:24:19 1997 Andrew Cagney <cagney@b1.cygnus.com>
177
178 * sim-core.h (struct _sim_core_mapping): Change free_buffer to
179 type void*.
180
181 * sim-core.c (sim_core_uninstall, new_sim_core_mapping,
182 sim_core_map_attach, sim_core_map_detach): Change free_buffer to
183 type void*.
184 (sim_core_attach): Rename buffer_freed to free_buffer, type
185 void*. Ensure that allocated buffer is alligned according to
186 region's address.
187
7456a10d
AC		 188Mon Oct 13 11:34:50 1997 Andrew Cagney <cagney@b1.cygnus.com>
189
190 * sim-alu.h (ALU64_HAD_OVERFLOW): Define.
191 (ALU64_SUB): Define.
192
193 * Make-common.in (all): Build SIM_EXTRA_ALL first.
194 (.gdbinit): Remove dependencies, generate once per build.
195
1b217de0
AC		 196Tue Oct 14 19:20:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
197
198 * sim-n-core.h (sim_core_read_aligned_N,
199 sim_core_write_aligned_N): Make xaddr param type address_word not
200 unsigned_word.
201
202Fri Oct 3 09:49:18 1997 Andrew Cagney <cagney@b1.cygnus.com>
203
204 * sim-fpu.h, sim-fpu.c: Rewrite. Change sim_fpu object to an
205 unpacked floating point struct. Pass sim_fpu object by reference.
206 Add preliminary support for rounding modes.
207
63fe2cc7
AC		 208Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
209
210 * configure: Regenerated to track ../common/aclocal.m4 changes.
211
212Thu Oct 2 19:43:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
213
214 * aclocal.m4 (sim-bitsize): Fix typo, WITH_TARGET_WORD_BITSIZE not
215 WITH_TARGET_BITSIZE.
216
217Thu Sep 25 23:20:20 1997 Felix Lee <flee@yin.cygnus.com>
218
219 * sim-profile.c (profile_print_core): label needs empty statement.
220
221Thu Sep 25 11:20:47 1997 Stu Grossman <grossman@babylon-5.cygnus.com>
222
223 * sim-break.c (sim_set_breakpoint sim_clear_breakpoint): Use ZALLOC
224 and zfree instead of xmalloc and free. Prevents warnings.
225
af51b8d5
AC		 226Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
227
228 * configure: Regenerated to track ../common/aclocal.m4 changes.
229
230Wed Sep 24 17:23:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
231
232 * Make-common.in (SIM_BITSIZE): Assign from configured value.
233 (CONFIG_CFLAGS): Add SIM_BITSIZE.
234
235 * aclocal.m4 (--enable-sim-bitsize): Developer option for
236 controling the bitsize/msb of the target.
237
b9d580a4
SG		 238Wed Sep 24 17:41:40 1997 Stu Grossman <grossman@babylon-5.cygnus.com>
239
240 * Make-common.in: New files sim-break.c, sim-break.h.
241 * sim-base.h: Add point to breakpoint list to sim_state_base.
242 * sim-break.c sim-break.h: New modules that implement intrinsic
243 breakpoint support.
244 * sim-module.c: Add breakpoint module.
245
34d07b78
FL		 246Tue Sep 23 00:26:39 1997 Felix Lee <flee@yin.cygnus.com>
247
248 * sim-events.c (SIM_EVENTS_POLL_RATE): poll more often than once
249 an hour.
250 * sim-n-core.h (WITH_XOR_ENDIAN): MSVC barfs on
251 if (0) { 1 % 0; }
252 * sim-core.c (sim_core_xor_write_buffer): WITH_XOR_ENDIAN + 1.
253 (SIGBUS) define for Windows.
254 * sim-trace.c (trace_printf,debug_printf): added ALMOST_STDC.
255 * sim-resume.c: define SIGTRAP for windows.
256 * sim-xcat.h: use token pasting if ALMOST_STDC.
257
4141b1c6
AC		 258Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
259
260 * Make-common.in (SIM_SCACHE, SIM_DEFAULT_MODEL): Assign
261 configured values.
262 (CONFIG_CFLAGS): Add same.
263
9f4fd823
FL		 264Mon Sep 22 17:20:27 1997 Felix Lee <flee@cygnus.com>
265
266 * sim-types.h (SIGNED64): ##i64 when _MSC_VER, not _WIN32.
267 (SIGNED32): use ##i32.
268
92f91d1f
AC		 269Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
270
271 * configure: Regenerated to track ../common/aclocal.m4 changes.
272
273Tue Sep 23 10:07:47 1997 Andrew Cagney <cagney@b1.cygnus.com>
274
275 * aclocal.m4 (sim-endian): Simplify logic determining [default]
276 endian of target.
277
278 * Make-common.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
279 SIM_HOSTENDIAN, SIM_RESERVED_BITS, SIM_ASSERT, SIM_FLOAT,
280 SIM_HARDWARE, SIM_INLINE, SIM_PACKAGES, SIM_REGPARM, SIM_SMP,
281 SIM_STDCALL, SIM_XOR_ENDIAN): Assign configured values.
282 (CONFIG_CFLAGS): Add same.
283
284 * aclocal.m4: Perform AC_SUBST on optional options.
285
4ca7d6d2
AC		 286Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
287
8d332f9c
AC		 288 * sim-config.h (WITH_DEFAULT_ALIGNMENT): Don't hardwire any alignment.
289
290 * sim-options.c (standard_option_handler): Typo in warning message.
291
4ca7d6d2
AC		 292 * sim-base.h (STATE_MODEL): Make conditional on SIM_HAVE_MODEL.
293
294 * sim-profile.c (profile_print_insn): Check 0 .. MAX_INSN for any
295 insn count. Make count conditional on there being a valid
296 INSN_NAME.
297 (profile_pc_init): Make default PC profile frequency an arbitrary
298 256.
299
300 * sim-base.h: Ditto.
301
302 * sim-profile.h (WITH_PROFILE_MODEL_P): Only enable modeling when
303 SIM_HAVE_MODEL.
304
305 * sim-model.h (struct MACH): Depreciate, to be replaced by bfd
306 archure struct.
307
794e9ac9
AC		 308Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
309
310 * configure: Regenerated to track ../common/aclocal.m4 changes.
311
312Mon Sep 22 11:45:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
313
314 * aclocal.m4 (sim_alignment): Simplify logic for selecting the
315 configured alignment.
316
b45caf05
AC		 317Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
318
319 * configure: Regenerated to track ../common/aclocal.m4 changes.
320
321Fri Sep 19 17:26:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
322
323 * sim-config.c (sim_config): Check for default alignment.
324
325 * sim-options.c (standard_option_handler): Add alignment option.
326
327 * aclocal.m4 (sim_alignment): Allow configuration of hardwired and
328 default alignment requirements on memory accesses.
329
330Fri Sep 19 11:51:35 1997 Jeffrey A Law (law@cygnus.com)
331
332 * sim-load.c (sim_load_file): Return failure if the executable
333 had no loadable sections.
334
dfa5c0ca
AC		 335Wed Sep 17 13:33:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
336
175c6fd3
AC		 337 * sim-events.c (ETRACE): Use trace_printf not sim_io_printf for
338 trace output.
339
340 * sim-core.c (sim_core_signal): When bad access halt simulator
341 SIGSEGV / SIGBUS instead of aborting.
342 (signal.h): Include.
343
344 * sim-watch.c (sim_watchpoint_install): Handler for watchpoint
345 options was missing.
346
dfa5c0ca
AC		 347 * sim-bits.h (MOVED): Define
348
b52e58c2
AC		 349Wed Sep 17 10:33:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
350
351 * sim-alu.h (ALU32_HAD_OVERFLOW): Pacify GCC, Use MSBIT instead of
352 BIT.
353
354 * sim-bits.h (LSBIT, MSBIT): Check for overflow of shift value.
355
356 * sim-bits.c: Add 8 bit versions of bit macros.
357
358 * sim-bits.h: Ditto.
359
aa5e6a5a
AC		 360Tue Sep 16 16:15:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
361
362 * sim-bits.c (LSSEXT, MSSEXT): Replace SEXT.
363 (LSINSERTED, MSINSERTED): Ditto for INSERTED.
364
365 * sim-n-bits.h (MSSEXTn, LSSEXTn): Replace SEXTn.
366 (LSINSERTDn, MSINSERTEDN): Ditto for INSERTEDn.
367
368 * sim-bits.h (SEXT*): Define as MSEXT/LSEXT.
369 (INSERTED*): Ditto for LSINSERTED/MSINSERTED.
370
08547b1f
AC		 371Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
372
373 * aclocal.m4 (SIM_AC_COMMON): Add optional config.h file argument.
374 configure.in: Output to cconfig.h instead of config.h.
375
376 * configure: Regenerated to track ../common/aclocal.m4 changes.
377
378Mon Sep 15 15:39:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
379
380 * sim-utils.c (sim_analyze_program): Set STATE_ARCHITECTURE from
381 BFD if known.
382
4bdab45a
AC		 383Tue Sep 9 21:46:46 1997 Felix Lee <flee@cygnus.com>
384
385 * callback.c (os_write): divert stdout and stderr to their
386 respective hooks.
387
93e7a1b5
AC		 388Thu Sep 11 10:08:48 1997 Andrew Cagney <cagney@b1.cygnus.com>
389
390 * sim-profile.c (profile_print_speed): Call
391 sim_events_elapsed_time instead of PROFILE_EXEC_TIME for moment.
392
393 * sim-events.c (sim_events_elapsed_time): New function return nr
394 host MS consumed by the simulator.
395 (sim_watch_valid): Use.
396
397 * sim-module.c (modules): Install sim_events very very early.
398
399 * sim-profile.c (profile_print): Call profile_print_pc.
400 (print_bar):
401 (profile_pc_init): New function, set up processor for PC
402 profiling.
403 (profile_print_pc): New function, print a PC profile.
404 (profile_pc_event): New function, sample PC.
405
406 * sim-profile.h (PROFILE_PC_COUNT, PROFILE_PC_START,
407 PROFILE_PC_END, PROFILE_PC_SHIFT, PROFILE_PC_SAMPLE_SIZE): Add to
408 profile struct.
409
410 * sim-options.c (sim_print_help): Pacify GCC.
411
412 * sim-n-core.h (sim_core_read_aligned_N,
413 sim_core_write_aligned_N): Add un-conditional profile call.
414 (sim_core_read_unaligned_N, sim_core_write_unaligned_N): Add
415 profile call when aligned read/write isn't used.
416
417 * sim-base.h: Include sim-profile, sim-model after sim-core &
418 sim-events allow sim-core to define useful values.
419
420 * sim-profile.c (OPTION_PROFILE_CORE): Define.
421 (profile_option_handler, profile_options): Add support for
422 --profile-core option.
423 (print_bar): Include when core profiling.
424 (profile_print_core): New function, print core profile.
425
426 * sim-config.c (print_sim_config): Print profile status.
427
428 * sim-profile.h (PROFILE_NEXT_IDX, PROFILE_core,
429 WITH_PROFILE_PC_P): Define.
430 (PROFILE_CORE_COUNT): Count each core-map/size separatly.
431 (PROFILE_COUNT_CORE): Define.
432
cad7297e
AC		 433Thu Sep 11 08:44:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
434
435 * sim-watch.c (handle_watchpoint): Pass a char** index into the
436 interrupt_names array as the data.
437 (sim-watch.h): Document.
438
439Wed Sep 10 16:15:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
440
441 * sim-options.c (sim_print_help): When the doc string is to long
442 word wrap it.
443
444 * sim-watch.c (sim_watchpoint_install): Use option.doc_name so
445 that only the first few the watch options are listed. Generate
446 meanginful usage messages.
447
448 * sim-options.h (struct OPTION): Clarify use of doc_name field
449
d0b59aa5
AC		 450Wed Sep 10 13:23:24 1997 Andrew Cagney <cagney@b1.cygnus.com>
451
452 * sim-options.c (OPTION_ARCHITECTURE_INFO): New option.
453 (standard_option_handler): Handle --architecture-info.
454
31dda65a
FL		 455Tue Sep 9 21:46:46 1997 Felix Lee <flee@cygnus.com>
456
457 * sim-core.h (sim_cpu_core): [WITH_XOR_ENDIAN + 1], to avoid
458 illegal zero-sized array.
459 * sim-core.c (sim_core_xor_read_buffer): same.
460
7b4aeeba
DE		 461Tue Sep 9 11:20:35 1997 Doug Evans <dje@canuck.cygnus.com>
462
463 * nltvals.def: Regenerate.
464
75b3697d
AC		 465Tue Sep 9 02:10:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
466
467 * sim-fpu.c (DP_FRACHIGH2): Define LL using SIGNED64.
468
469Mon Sep 8 12:22:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
470
471 * sim-bits.c (MASKED): Delete.
472 (EXTRACTED): Delete.
473 (LSEXTRACTED, MSEXTRACTED): New functions.
474
475 * sim-n-bits.h (MASKEDn): Delete, define as MSMASKED or LSMASKED.
476 (MSMASKEDn, LSMASKEDn): Add last argument.
477 (MSMASK*): Ditto.
478
479 * sim-bits.h (EXTEND8, EXTEND16): Define.
480 (EXTRACTED64): Define as 64 bit extract, not 32 bit.
481
482 * sim-run.c (sim_engine_run): Use CPU_CIA macro.
483
484 * sim-engine.h (SIM_ENGINE_HALT_HOOK): Use CPU_CIA to get at
485 current instruction address.
486
487 * sim-inline.h (*_ENGINE): Define.
488
30efae3a
AC		 489Fri Sep 5 08:39:02 1997 Andrew Cagney <cagney@b1.cygnus.com>
490
1bba340a
AC		 491 * sim-core.c (sim_core_attach): Fix checks of modulo/mask.
492
493 * sim-watch.c (delete_watchpoint): Delete by ident and type.
494 (watch_option_handler): Call delete_watchpoint with ident or type.
495 (sim_watchpoint_install): Create interrupt specific watchpoint
496 commands on the fly.
497 (do_watchpoint_create): New function, create a watch point using
498 type/int-nr info encoded in the option nr.
499 (do_watchpoint_info): New function. List active watchpoints.
500
501 * sim-watch.h: Change data structure to a list.
502
503 * sim-memopt.c (memory_option_handler): Require explicit "all"
504 before deleting all memory regions.
505
1b465b54
AC		 506 * sim-utils.c (sim_do_commandf): New function, printf version of
507 sim_do_command.
508
509 * sim-basics.h (asprintf, vasprintf): Hack, define for CYGWIN32.
510
30efae3a
AC		 511 * sim-alu.h (ALU64_ADD): Use explicit MSEXTRACTED64, do not assume
512 bit endianness.
513 (SIGNED64, UNSIGNED64): Delete.
514 (ALU64_ADD): Don't rely on bit endianness.
515 (ALU64_BEGIN): Define.
516
517 * sim-n-bits.h (MSEXTRACTEDn, LSEXTRACTED): New functions.
518 (EXTRACTEDn): Delete, define as either LSEXTRACTED or MSEXTRACTED.
519
520 * sim-types.h (SIGNED64, UNSIGNED64): New macros, attach relevant
521 suffix - u64, LL - to 64 bit constants.
522
a34abff8
AC		 523Thu Sep 4 09:27:54 1997 Andrew Cagney <cagney@b1.cygnus.com>
524
6dbaff8f
AC		 525 * sim-config.c (sim_config): Add assert for SIM_MAGIC_NUMBER.
526
527 * sim-utils.h (NZALLOC): Define - zalloc * N.
528
529 * sim-hrw.c (sim_read, sim_write): New file. Provide generic
530 implementation of read/write functions.
531
532 * Make-common.in (sim-hrw.o): New target.
533
534 * sim-base.h (STATE_MEMOPT_P): Delete, simulators _always_ add
535 memory.
536
537 * sim-memopt.c (memory_option_handler): Implement memory-size
538 command. Implement memory-alias command. Let memory-delete delete
539 all memory regions.
540 (add_memopt): New function. Add a memory region.
541 (do_memopt_delete): New function. Delete a memory region.
542
a34abff8
AC		 543 * sim-utils.c (sim_elapsed_time_get): Never return zero.
544
545 * sim-core.c (sim_core_detach): New function.
546 (sim_core_map_detach): New function. Perform the actual detach.
547 (sim_core_init): Move initialization code from here.
548 (sim_core_install): To here.
549 (sim_core_uninstall): And here.
550
551 * sim-module.c: Add memopt module.
552
553 * sim-base.h (STATE_MEMOPT, STATE_MEMOPT_P): Add memopt to
554 simulator base type.
555
556 * Make-common.in (sim_main_headers): Add sim-memopt.h
557 (sim-memopt.o): New target.
558
559 * sim-core.c (sim_core_install): Add core_options to the option
560 table.
561
562 * sim-watch.c (watch_options): Make --delete-watch a synonym for
563 --watch-delete.
564
565 * sim-config.h (WITH_MODULO_MEMORY): Define as 0. Update
566 comments.
567
568 * sim-core.h (struct _sim_core_mapping): Change nr_bytes to type
569 address_word, add mask member.
570
571 * sim-core.h, sim-core.c (sim_core_attach): Make nr_bytes of type
572 address_word, allow for 64bit targets in 32bit host. Add modulo
573 argument.
574 (sim_core_map_attach): Ditto.
575 (new_sim_core_mapping): Ditto.
576 (sim_core_translate): Mask address when modulo memory.
577
88d5f8e8
DE		 578Wed Sep 3 17:32:54 1997 Doug Evans <dje@seba.cygnus.com>
579
600d8331
DE		 580 * sim-hload.c (sim_load): Add assert for SIM_MAGIC_NUMBER.
581
88d5f8e8
DE		 582 * gdbinit.in: New file.
583 * aclocal.m4 (SIM_AC_OUTPUT): Build .gdbinit.
584 * Make-common.in (distclean): Delete .gdbinit.
585 (.gdbinit): Add rule for.
586 * configure: Regenerated to track ../common/aclocal.m4 changes.
587
588 * Make-common.in (cgen-run.o): Add rule for.
589
fdd64f95
AC		 590Wed Sep 3 10:08:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
591
592 * sim-resume.c (sim_resume): Suspend/resume the simulator.
593
594 * sim-events.c (sim_watch_valid): Compute total elapsed time from
595 both resumed and previous elapsed time.
596 (sim_events_init): Set initial_wallclock and current_wallclock to
597 zero.
598 (sim_events_install): Install sim_events_suspend and
599 sim_events_resume.
600 (sim_events_watch_clock): Allow for suspended simulator when
601 computing the time of the clock event.
602
603 * sim-events.h (struct _sim_event): Add resume_wallclock, rename
604 initial_wallclock to elapsed_wallclock, set both to zero.
605 (sim_events_init, sim_events_uninstall): Delete prototypes.
606
607 * sim-module.h (MODULE_SUSPEND_FN, MODULE_RESUME_FN): Define types.
608
609 * sim-module.c(sim_module_resume, sim_module_suspend): New
610 functions.
611
80c651f0
AC		 612Wed Sep 3 10:08:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
613
614 * sim-core.c (sim_core_map_attach): Clarify memory overlap error
615 message.
616
74db699d
DE		 617Tue Sep 2 14:57:06 1997 Doug Evans <dje@canuck.cygnus.com>
618
619 * Makefile.in (TAGS): Add support for "/* TAGS: foo */" marker.
645ab3ec 620 * Make-common.in (TAGS): Likewise.
74db699d
DE		 621 * sim-n-bits.h: Add TAGS comments for all functions.
622 * sim-n-core.h: Likewise.
623 * sim-n-endian.h: Likewise.
624
4b2a6aed
AC		 625Mon Sep 1 10:50:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
626
627 * sim-utils.c (sim_state_alloc): Set CPU backlinks, callback and
628 kind.
629
630 * sim-base.h (sim_state_alloc): Add callback and kind arguments.
631
632 * sim-base.h (INVALID_INSTRUCTION_ADDRESS): Add default
633 definition.
634
f90b720b
AC		 635Sat Aug 30 09:47:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
636
637 * sim-fpu.c (DP_GARDMSB, ...): Make unsigned.
638 (DP_FRACHIGH, DP_FRACHIGH2, ..): Use MSMASK to avoid LL.
639
640Fri Aug 29 13:37:44 1997 Andrew Cagney <cagney@b1.cygnus.com>
641
642 * sim-core.c (sim_core_map_attach): Cast attach enum to int.
643 (sim_core_xor_read_buffer, sim_core_xor_write_buffer): Make
644 nr_transfered and nr_this_transfer unsigned.
645
646 * sim-events.c (sim_events_tickn): N is signed, as limited to
647 MAXINT.
648
649 * sim-n-endian.h (offset_N): Change size to unsigned.
650
651 * callback.c (os_poll_quit): Add prototypes for kbhit and getkey.
652
653Fri Aug 29 10:10:53 1997 Andrew Cagney <cagney@b1.cygnus.com>
654
655 * sim-utils.c (sim_copy_argv): Delete, replaced by dupargv.
656
657 * sim-options.c (sim_parse_args): Use dupargv.
658
36db8e64
DE		 659Thu Aug 28 10:36:34 1997 Doug Evans <dje@canuck.cygnus.com>
660
661 * sim-options.c (standard_option_handler): Use xstrdup, not strdup.
662
18c319ae
AC		 663Thu Aug 28 12:09:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
664
665 * sim-base.h (STATE_ARCHITECTURE, STATE_TARGET): Add to simulator
666 base type.
667
668 * sim-options.c (standard_options): Add --architecture=MACHINE and
669 --target=TARGET options.
670 (OPTION_ARCHITECTURE, OPTION_TARGET): Define.
671 (standard_option_handler): Handle architecture and target options.
672 (bfd.h): Include.
673
674 * sim-utils.c (sim_analyze_program): Pass STATE_TARGET to
675 bfd_openr.
676 (sim_analyze_program): Set prog_bfd architecture from
677 STATE_ARCHITECTURE if known.
678
88117054
AC		 679Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
680
681 * configure: Regenerated to track ../common/aclocal.m4 changes.
682 * config.in: Ditto.
683
684Wed Aug 27 18:11:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
685
686 * aclocal.m4 (enable-sim-warnings): Remove comment stating
687 that option does not apply to certain files.
688
d6fea803
AC		 689Wed Aug 27 15:13:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
690
691 * sim-bits.h (LSBIT8, LSBIT16, LSBIT32, LSBIT64, LSBIT, MSBIT8,
692 MSBIT16, MSBIT32, MSBIT64, MSBIT): New macros - single bit as
693 offset from MSB/LSB.
694
695 * sim-endian.h (A1_8, A2_8, A4_8, A1_4, A2_4, A1_2): New macro,
696 access address of sub word quantity of a hosts 16, 32, 64 bit word
697 type.
698 (V1_2, V1_4, V2_4, V1_8, V2_8, V4_8): Ditto for values.
699 (U8_1, U8_2, U8_4, U4_1, U4_2, U2_1): Ditto for set of values.
700 (V2_H1, V2_L1, V4_H2, V4_L2, V8_L4, V8_H4): Given N byte argument,
701 return N*2 byte value with argument in Hi/Lo word. Renamed from
702 V1_H2, V1_L2, V2_H4, V2_L4, V4_H8, V4_L8.
703
704 * sim-alu.h (ALU32_HAD_OVERFLOW): Use 64 bit mask not 32bit.
705 (ALU16_HAD_CARRY, ALU32_HAD_CARRY, ALU16_HAD_OVERFLOW): Use MSBIT
706 so that bit offset is explicit.
707
fafce69a
AC		 708Wed Aug 27 11:55:35 1997 Andrew Cagney <cagney@b1.cygnus.com>
709
710 * sim-utils.c (sim_analyze_program): Add prog_name argument.
711 Update STATE_PROG_BFD when needed with a dup'd copy of the
712 program.
713
714 * sim-config.c (sim_config): Delete ABFD argument, use
715 STATE_PROG_BFD directly.
716
717Tue Aug 26 12:55:26 1997 Andrew Cagney <cagney@b1.cygnus.com>
718
719 * run.c (main): Pass the open ABFD to sim_create_inferior.
720
721 * nrun.c (main): Determine prog_bfd. Pass to sim_create_inferior
722 and sim_load.
723 (bfd.h): Include.
724
725 * sim-hload.c (sim_load): New file. Implement generic sim_load for
726 hardware only simulator targets.
727
728 * Make-common.in (sim-hload.o): Add rule.
729
d07dddd2
AC		 730Wed Aug 27 09:51:42 1997 Andrew Cagney <cagney@b1.cygnus.com>
731
732 * sim-utils.c (sim_copy_argv): Rewrite to match malloc strategy
733 used by copyargv and freeargv.
734
735 * sim-options.c (sim_parse_args): Save a copy of PROG-ARGS in
736 STATE_PROG_ARGV, not just a pointer.
737
247fccde
AC		 738Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
739
740 * configure: Regenerated to track ../common/aclocal.m4 changes.
741 * config.in: Ditto.
742
743Mon Aug 25 12:11:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
744
745 * aclocal.m4 (sim-endian): Add second argument to
746 SIM_AC_OPTION_ENDIAN. First is hardwired endian, second is
747 default endian when not hardwired.
748
749 * sim-config.h (WITH_DEFAULT_TARGET_BYTE_ORDER): New macro, if all
750 else failes value for target byte order.
751
752 * sim-config.c (sim_config): Add abfd arguments. Set
753 STATE_PROG_BFD accordingly. Determine prefered_target_byte_order
754 from same.
755 (sim_config): Return SIM_RC, don't abort.
756 (bfd.h): Include.
757
758 * run.c (main): Update call to sim_open - add ABFD argument.
759 * nrun.c (main): Add NULL ABFD argument.
760
052d7984
DE		 761Thu Aug 14 12:48:57 1997 Doug Evans <dje@canuck.cygnus.com>
762
763 * callback.c (os_poll_quit): Make static.
764 Call sim_cb_eprintf, not p->eprintf.
765 (sim_cb_printf, sim_cb_eprintf): New functions.
247fccde
AC		 766 * sim-utils.h (sim_cb_printf, sim_cb_eprintf): Declare.
767
768 * sim-basics.h (zalloc,zfree,sim_add_commas,SIM_ELAPSED_TIME,
769 sim_elapsed_time_get,sim_elapsed_time_since): Move decls to
770 sim-utils.h. #include sim-utils.h.
771 * sim-utils.h: Above decls moved here.
772 (sim_analyze_program,sim_load_file): Use `struct _bfd', not `bfd'.
773
774 * sim-watch.c (action_watchpoint): Fix thinkos.
052d7984
DE		 775
776Thu Jul 24 08:48:05 1997 Stu Grossman (grossman@critters.cygnus.com)
777
778 * sim-types.h: Fix defs of 64 bit data types for MSVC.
779
e6609d8f
DE		 780Tue Jul 22 10:35:37 1997 Doug Evans <dje@canuck.cygnus.com>
781
782 * sim-n-core.h (sim_core_write_unaligned_N): Add missing break
783 to FORCED_ALIGNMENT case.
784
84e8cd0f
AC		 785Thu Jun 5 13:48:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
786
787 * callback.c (target_to_host_open): Handle hosts with O_BINARY.
788
789Thu Jun 5 08:47:10 1997 Jeffrey A Law (law@cygnus.com)
790
791 * Make-common.in (libsim.a): Fix typo.
792
897f67b7
AC		 793Thu Jun 5 13:48:37 1997 Andrew Cagney <cagney@b1.cygnus.com>
794
795 * nrun.c (main): Verify the structure returned before using it.
796
896eab00
AC		 797Wed Jun 4 11:44:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
798
799 * sim-config.h (WITH_ENGINE): Enable the sim-engine module by
800 default.
801
802 * sim-engine.c (sim_engine_install): New function. Install the
803 engine init functions.
804 (sim_engine_init): [Re]initialize the simulator engine.
805
806 * sim-module.c: Add sim_engine to list of modules that always
807 install.
808
56e7c849
AC		 809Tue Jun 3 04:52:04 1997 Andrew Cagney <cagney@b1.cygnus.com>
810
811 * sim-watch.c (schedule_watchpoint): Use sim_unschedule_watchpoint
812 to remove the old watchpoint, not delete_watchpoint.
813 (watch_option_handler): Action the correct watchpoint, not just
814 cycles.
815
816Wed May 28 14:47:41 1997 Andrew Cagney <cagney@b1.cygnus.com>
817
818 * sim-n-core.h (sim_core_write_aligned_N): For 8byte reads, output
819 both low and high word.
820 (sim_core_write_aligned_N): Ditto.
821
822 * sim-trace.c (set_trace_options): Delete code explicitly setting
823 core->trace.
824
825 * sim-options.c (sim_print_help): Call the list commands if not a
826 standalone simulator.
827 (sim_print_help): Advise that some options may not be applicable.
828
829 * sim-trace.c (set_trace_options): Assume core present.
830
831 * sim-events.c (sim_events_schedule_after_signal): Overflow signal
832 buffer when full not almost full.
833
2f2e6c5d
AC		 834Tue May 27 14:32:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
835
1a70e182
AC		 836 * sim-events.c (sim_events_process): Don't blat the event queue
837 when processing watchpoints.
838
839 * sim-watch.h: Make arg unsigned long - stop sign extension.
840
841 * sim-events.c (sim_watch_valid): rewrite so debugable.
842
843 * sim-config.h (WITH_XOR_ENDIAN): Default to zero.
844
2f2e6c5d
AC		 845 * sim-watch.c (schedule_watchpoint): Add is_within option so that
846 inequality test is possible.
847 (handle_watchpoint): Re-pass is_within arg.
848 (watch_option_handler): When `!' prefix to pc-watchpoint arg pass
849 0 to schedule_watchpoint's is_within arg.
850 (sim_watchpoint_init): Re-pass is_within arg.
851
852 * sim-options.c (sim_print_help): Add is_command argument. Don't
853 include -- prefix when called from the command line interpreter.
854
855 * sim-watch.c (schedule_watchpoint): Pass true is_within argument.
856
857 * sim-events.c (sim_events_watch_sim): Add is_within argument,
858 zero indicates that the test should be reversed.
859 (sim_events_watch_core): Ditto.
860 (WATCH_CORE): Compare range against is_within.
861 (WATCH_SIM): Ditto.
862
863Tue May 27 12:48:03 1997 Andrew Cagney <cagney@b2.cygnus.com>
864
865 * sim-events.c (WATCH_CORE): Pass NULL cpu argument to
866 sim_core_read_buffer. Check nr-bytes transfered.
867
868 * sim-core.h (sim_core_common): Define a new struct that contains
869 the common data. to sd and cpu structures.
870 * sim-core.c (sim_core_attach): Update.
871 (sim_core_init): Update. Remember to copy initialized data to each
872 cpu.
873 (sim_core_find_mapping): Ditto.
874
875 * sim-core.c (sim_core_read_buffer): Add cpu argument.
876 (sim_core_write_buffer): Ditto.
877
878 * sim-n-core.h (sim_core_read_unaligned_N): When mis-aligned
879 transfer use xor version of read buffer.
880 (sim_core_write_unaligned_N): Ditto for write.
881
882 * sim-core.c (sim_core_xor_read_buffer): New function implement
883 xor-endian data read breaking transfer up into xor-endian sized
884 blocks.
885 (sim_core_xor_write_buffer): Ditto for write.
886 (reverse_n): Reverse order of arbitrary number of bytes in buffer
887 - needed for xor-endian transfers.
888
cd0d873d
AC		 889Fri May 23 14:24:31 1997 Andrew Cagney <cagney@b1.cygnus.com>
890
891 * sim-inline.h: Review description.
892
893 * sim-core.h, sim-core.c: Reduce number of functions being inlined
894 to just those involved in data transfers and configuration.
895
896 * sim-xcat.h (XSTRING): New macro, map macro definition onto
897 string.
898 * sim-n-core.h (sim_core_read_aligned_N): Use.
899 (sim_core_read_unaligned_N): Ditto.
900 (sim_core_read_unaligned_N): Ditto..
901 (sim_core_write_unaligned_N): Ditto.
902
903 * sim-core.h: Add xor endian bitmap to main structure. *
904
905 sim-n-core.h (sim_core_write_aligned_N): Add suport for xor
906 endian.
907 (sim_core_read_aligned_N): Ditto.
908
909 * sim-core.c (sim_core_set_xor_endian): New function.
910 (sim_core_attach): Don't overwrite the per-cpu xor map when
911 cloning the global core.
912
8167e102
AC		 913Fri May 23 10:53:13 1997 Andrew Cagney <cagney@b1.cygnus.com>
914
915 * sim-engine.h: Update below so that it is using an enumerated
916 type.
917
6e61ecfc
GRK		 918Thu May 22 09:12:16 1997 Gavin Koch <gavin@cygnus.com>
919
920 * sim-engine.c (sim_engine_restart):
921 * sim-resume.c (sim_resume): Change longjmp param/setjmp
922 return value used for simulator restart from 0 to 2.
923
50a2a691
AC		 924Wed May 21 08:47:30 1997 Andrew Cagney <cagney@b1.cygnus.com>
925
926 * cgen-scache.c (scache_option_handler): Add is_command arg.
927
928 * sim-model.c (model_option_handler): Add is_command argument.
929
930 * sim-profile.c (profile_option_handler): Add is_command arg.
931
932 * sim-events.c (sim_watch_valid): Use ub64, lb64 when 64bit value
933 involved.
934
935 * sim-module.c (sim_module_add_init_fn): Call init fn in the same
936 order that they are registered.
937
938 * sim-options.h (OPTION_HANDLER): Add argument to differentiate
939 between option and command line processing.
940
941 * sim-options.c: Include stdlib.h, ctype.h.
942
943 * Make-common.in (sim-watch.o): Add rule.
944 (sim_main_headers): Assume sim-assert.h included.
945 (sim-*.o): Simplify make rule.
946
947 * sim-module.c: Add sim_watch_install to module list.
948
949Tue May 20 14:15:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
950
951 * sim-base.h (STATE_LOADED_P): New predicate. Set once everything
952 has been loaded.
953
954 * sim-trace.c (trace_install): Check magic. Include sim-assert.h.
955 * sim-events.c (sim_events_install): Ditto.
956 * sim-core.c (sim_core_install): Ditto.
957 * sim-model.c (model_install): Ditto.
958 * sim-options.c (standard_install): Ditto.
959 * sim-profile.c (profile_install): Ditto.
960 * sim-reason.c (sim_stop_reason): Ditto.
961 * sim-run.c (sim_engine_run): Ditto.
962 * sim-utils.c (sim_analyze_program): Ditto.
963
964 * sim-module.c (modules): Make profile_install and trace_install
965 optional.
966
967 * sim-base.h (STATE_MEM_BASE): Define for flat memory systems.
968
969 * sim-options.c (standard_option_handler): Set the byte order.
970
971 * sim-events.c (sim_events_process): Allow multi tick processing.
972 (sim_events_tickn): New function - multi cycle tick.
973
974 * sim-events.h (sim_events_tickn, sim_events_timewarp): Add
975 prototypes. Under development.
976 (sim_events): Replace processing with nr_ticks_to_process.
977
978Tue May 20 09:39:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
979
980 * nrun.c (main): Pass callbacks to sim_open instead of using
981 sim_set_callbacks.
982
983 * run.c (main): Ditto.
984
f03b093c
AC		 985Mon May 19 12:07:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
986
fd76456b
AC		 987 * sim-events.c (sim_events_zalloc): Signal save memory allocator -
988 stop tk interrupting malloc calls.
989 (sim_events_zalloc): Converse.
990
991 * Make-common.in (sim_main_headers): Add sim-events.h.
992
993 * sim-events.c (sim_events_schedule_after_signal): Change return
994 type to void - signal events are strictly internal.
995 (sim_events_init): Allocate a finite buffer for signal events.
996 (sim_events_schedule_after_signal): Enter signal events into the
997 signal buffer.
998
999 * sim-engine.c (sim_engine_halt): Check SIM_DESC magic.
1000 (sim_engine_restart): Ditto.
1001 (sim_engine_abort): Ditto.
1002 * sim-stop.c (sim_stop): Ditto.
1003 (control_c_simulation): Ditto.
1004 * sim-resume.c (sim_resume): Ditto.
1005 (has_stepped): Ditto.
1006 * sim-abort.c (sim_engine_abort): Ditto.
1007
f03b093c
AC		 1008 * sim-basics.h (transfer_type): New type.
1009
1010 * sim-core.c (sim_core_signal): New function. Print core signal
1011 information.
1012 (sim_core_find_mapping): Add transfer argument.
1013
1014 * sim-n-core.h (sim_core_{write,write}_unaligned_N): Call
1015 SIM_CORE_SIGNAL if a recoverable abort.
1016 * sim-core.c (sim_core_find_mapping): Ditto.
1017
1018Fri May 16 15:13:21 1997 Andrew Cagney <cagney@b1.cygnus.com>
1019
1020 * sim-core.c (sim_core_find_mapping): Replace calls to
1021 sim_io_error to more resiliant sim_engine_abort.
1022
1023 * sim-n-core.h (sim_core_read_unaligned_N): Ditto.
1024 (sim_core_write_unaligned_N): Ditto.
1025
1026Tue May 13 13:50:06 1997 Andrew Cagney <cagney@b1.cygnus.com>
1027
1028 * sim-module.c: Add sim_events_install to list.
1029
1030 * sim-events.c (sim_events_install, sim_events_uninstall): Clonse
1031 from sim_core_*.
1032 (sim_events_init): Now returns SIG_RC.
1033
1034 * sim-run.c: New file. Generic sim_engine_run.
1035 * sim-reason.c: New file. Generic sim_stop_reason.
1036 * sim-stop.c: New file. Generic sim_stop.
1037 * sim-resume.c: New file. Generic sim_resume.
1038
1039 * Make-common.in (sim-engine.o): Add rule.
1040 (sim-run.o, sim-reason.o, sim-stop.o, sim-resume.o): Ditto.
1041
1042 * sim-engine.h, sim-engine.c: New file. Provide generic
1043 implementation of sim_engine_halt, sim_engine_error. et.al.
1044
1045 * sim-base.h (sim_state_base): Add member halt.
1046 (sim-engine.h): Include.
1047
1048 * sim-events.h (sim_event_handler): Always pass SIM_DESC to event
1049 handlers.
1050 * sim-events.c (sim_events_poll): Update event handler.
1051
1052Tue May 13 09:57:49 1997 Andrew Cagney <cagney@b2.cygnus.com>
1053
1054 * sim-events.h, sim-events.c (sim_events_watch_clock): New
1055 function.
1056 (sim_events_watch_sim): New function.
1057 (sim_events_watch_core): New function.
1058 (sim_watch_valid): New function.
1059 (sim_events_preprocess): New function.
1060 (sim_events_process): Process the watchpoints as well as the timer
1061 queue.
1062 (sim_events_tick): Check WORK_PENDING instead of the hold queue.
1063 (sim_events_deschedule): Check all the queues when removing an
1064 event.
1065 (sim_events_init): Ditto for cleaning.
1066
1067Mon May 19 12:07:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
1068
1069 * sim-fpu.c (is_ufpu_number): Comment out - currently unused.
1070
11ab132f
AC		 1071Mon May 19 11:23:03 1997 Andrew Cagney <cagney@b1.cygnus.com>
1072
1073 * callback.c (os_open): Type of arg flags is int.
1074
63aa80ff
MM		 1075Fri May 16 22:26:43 1997 Michael Meissner <meissner@cygnus.com>
1076
1077 * sim-fpu.c (sim_fpu_is_{eq,ne,lt,le,gt,ge}): Compare Infinities
1078 just like normal numbers as per IEEE rules.
1079
248c1fb8
JL		 1080Wed May 14 21:20:38 1997 Bob Manson <manson@charmed.cygnus.com>
1081
1082 * callback.c (os_close): Mark the descriptor as being
1083 available if the close succeeded.
1084 (os_open): Pass 0644 as the mode of the file being created.
1085
d24f06ee
AC		 1086Thu May 15 10:58:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
1087
07b4c0a6
AC		 1088 * sim-fpu.c (pack_fpu, unpack_fpu): New functions - decode a
1089 float.
1090
1091 * sim-inline.c (SIM_INLINE_C): Rename from _SIM_INLINE_C_.
1092 * sim-lnline.h: Update.
1093
1094 * sim-fpu.h, sim-fpu.c (sim_fpu_[iu]{32,64}to): New int2fp
d24f06ee 1095 conversion functions.
07b4c0a6 1096 (sim_fpu_to{32,64}[iu]): New fp2int functions.
d24f06ee
AC		 1097
1098 * sim-fpu.h, sim-fpu.c (sim_fpu_is_{lt,le,eq,ne,ge,gt}): New fp
1099 compare functions. Replacing.
1100 (sim_fpu_cmp): This. Delete.
1101
c445af5a
AC		 1102Mon May 12 14:49:05 1997 Andrew Cagney <cagney@b1.cygnus.com>
1103
1104 * sim-core.c (sim_core_find_mapping): Call engine_error not
1105 sim_io_error when possible.
1106
1107Mon May 12 08:55:07 1997 Andrew Cagney <cagney@b2.cygnus.com>
1108
1109 * sim-endian.h (V1_H2): Add macro's to insert a word into a
1110 high/low double word.
1111
1112 * sim-trace.h: Remove definition of attribute - defined in
1113 sim_basics.h.
1114
e05e76e8
AC		 1115Mon May 12 08:55:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
1116
1117 * sim-options.h (struct OPTION): Add doc_opt as the documenting
1118 name of the option - or family of options.
1119
1120 * sim-options.c (sim_args_command): Match command `a-b c' with
1121 option `--a-b-c' from option table.
1122
43c53e07
AC		 1123Thu May 8 12:40:07 1997 Andrew Cagney <cagney@b1.cygnus.com>
1124
1125 * sim-options.c (sim_print_help): For optional arguments, wrap
1126 them in [].
1127
1128 * sim-trace.c (set_trace_options): New function, handle optional
1129 argument and multiple assignment.
1130 (trace_option_handler): Update.
1131
1132 * sim-trace.c (trace_option_handler): Trace branch and not fpu
1133 when branch tracing selected.
1134
381f42ef
AC		 1135Wed May 7 15:19:58 1997 Andrew Cagney <cagney@b1.cygnus.com>
1136
1137 * sim-trace.c (trace_one_insn): Make a va-args function.
1138
1139 * sim-trace.c (trace_vprintf): New function, va-arg version of
1140 trace_printf.
1141
ea4e4493
DE		 1142Tue May 6 16:38:16 1997 Doug Evans <dje@canuck.cygnus.com>
1143
1144 * sim-trace.c (trace_uninstall): Don't close a file twice.
bd3274c6 1145 * sim-profile.c (profile_uninstall): Likewise.
ea4e4493 1146
a7724171
MM		 1147Tue May 6 06:14:01 1997 Mike Meissner <meissner@cygnus.com>
1148
1149 * sim-trace.c (toplevel): Include bfd.h.
1150 (trace_options): Note that --trace-linenum also turns on
7b167b09 1151 --trace-insn. Add --trace-{branch,semantics}.
a7724171 1152 (trace_option_handler): If --trace-linenum, also turn on
7b167b09
MM		 1153 --trace-insn. Add --trace-branch support. If --trace-semantics,
1154 turn on ALU, FPU, branch, and memory tracing.
a7724171
MM		 1155 (trace_one_insn): New function to trace an instruction. Support
1156 --trace-linenum.
7b167b09 1157 (OPTION_TRACE_*): Use an enum, rather than lots of defines.
a7724171 1158
7b167b09
MM		 1159 * sim-trace.h (TRACE_{SEMANTICS,BRANCH}_IDX): Add new macros.
1160 (MAX_TRACE_VALUES): Use 32, not 12 by default.
1161 (TRACE_branch): Add new mask.
1162 (TRACE_*_P): Define all possible trace_p macros.
a7724171
MM		 1163 (trace_one_insn): Declare function.
1164
23b04e79
MM		 1165Mon May 5 14:08:34 1997 Mike Meissner <meissner@cygnus.com>
1166
1167 * sim-trace.h (__attribute__): Define as nothing if not GNU C or
1168 GNU C doesn't support __attributes__.
1169 ({trace,debug}_printf): Add attribute's so -Wformat can check the
1170 format strings.
1171
7a418800
AC		 1172Mon May 5 11:16:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
1173
1174 * sim-config.h (FORCED_ALIGNMENT): New alignment option -
1175 addresses are masked forcing them to be correctly aligned.
1176 (WITH_ALIGNMENT): Make NONSTRICT_ALIGNMENT the default.
1177 * sim-config.c (config_alignment_to_a): Update.
1178
1179 * sim-core.h (sim_cpu_core): New data type contains cpu specific
1180 core data.
1181 * sim-base.h (CPU_CORE): Add cpu specific core data to cpu base
1182 type.
1183 * sim-core.c (sim_core_attach): Add CPU argument. Ready for
1184 processor specific core maps.
1185 (sim_core_map_attach): Copy the core map data to each of the
1186 processor specific core data structures.
1187 * sim-core.c (sim_core_find_mapping): Update.
1188
1189 * sim-n-core.h (sim_core_read_N, sim_core_write_N): Rename.
1190 (sim_core_write_aligned_N, sim_core_write_aligned_N): New names.
1191 (sim_core_write_unaligned_N, sim_core_write_unaligned_N): New
1192 alternatives that handle unaligned addresses.
1193 (sim_core_{read,write}_{,un}aligned_N): Drop SIM_DESC arg, replace
1194 with just CPU arg.
1195 * cgen-utils.c (sim_disassemble_insn): Update.
1196
3971886a
AC		 1197Mon May 5 13:19:16 1997 Andrew Cagney <cagney@b1.cygnus.com>
1198
1199 * sim-trace.h (TRACE_FPU_IDX): Add Floating-point specific
1200 tracing.
1201
1202 * sim-fpu.h, sim-fpu.c: New files - prototype for generic target
1203 fpu support.
1204
1205 * sim-inline.h, sim-inline.c: Add support for SIM_FPU.
1206
1fe05280
AC		 1207Fri May 2 17:59:42 1997 Andrew Cagney <cagney@b1.cygnus.com>
1208
1209 * sim-core.c (sim_core_map_to_str): New function ascii equivalent
1210 to map type.
1211
1212 * sim-n-core.h (sim_core_read_N, sim_core_write_N): Use in trace
1213 statement.
1214
1215Fri May 2 17:28:02 1997 Andrew Cagney <cagney@b2.cygnus.com>
1216
1217 * cgen-trace.c: Prepend additional trace_printf argument.
1218
1219 * cgen-utils.c (sim_disassemble_insn): Add additional core
1220 arguments.
1221
1222Fri May 2 11:40:23 1997 Andrew Cagney <cagney@b1.cygnus.com>
1223
1224 * nrun.c (main): Catch/report errorenous simulator states.
1225
1226 * sim-module.c: #include "libiberty.h" so that xmalloc is defined.
1227 * sim-trace.c: #include string.h/strings.h so that memset is
1228 defined.
1229 * sim-utils.c: Ditto.
1230 * sim-profile.c: Ditto. And stdlib.h.
1231 (print_bar): Only define when used by instruction or memory profiler.
1232
1233 * sim-options.c (standard_option_handler): Make ul more local.
1234
1235 * sim-load.c (sim_load_file): Make the name constant.
1236 (sim_load_file): Passify gcc.
1237
1238 * sim-utils.h: New file, pre-declare utilites in corresponding .c
1239 file.
1240 * sim-utils.c, sim-load.c: Include sim-utils.h.
1241
1242 * sim-base.h (sim_cpu): Pre define here so available to all.
1243
1244 * sim-core.h (DECLARE_SIM_CORE_WRITE_N, DECLARE_SIM_CORE_READ_N):
1245 Restore the sim_cpu and instruction_address arguments so that full
1246 information is available to the abort function.
1247 * sim-core.c (sim_core_find_mapping, sim_core_write_buffer): Ditto.
1248 * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1249
1250 * sim-trace.h, sim-trace.c (trace_option_handler): Add interim
1251 tracing support for sim-events and sim-core.
1252 (trace_option_handler): Convert #if to if where possible so always
1253 compiled/checked by C compiler.
1254 * sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
1255
1256 * sim-base.h: Adjust comment documenting how to define the cpu
1257 structure.
1258 (sim_state_base): Add sim_core and sim_events to simulator base
1259 object.
1260
1261 * sim-trace.h, sim-trace.c (trace_printf): Add SIM_DESC argument.
1262 * sim-core.c (sim_core_init, sim_core_attach,
1263 sim_core_find_mapping): Update.
1264 * sim-events.c (ETRACE, sim_events_init, sim_events_time,
1265 update_time_from_event, insert_sim_event,
1266 sim_events_schedule_after_signal, sim_events_deschedule,
1267 sim_events_tick): Ditto.
1268
1269 * sim-basics.h (sim-module.h, sim-trace.h, sim-profile.h,
1270 sim-model.h): Move #includes from here.
1271 * sim-base.h: To here.
1272 (sim-core.h, sim-events.h, sim-io.h): Include also
1273
1274Wed Apr 30 15:37:54 1997 Andrew Cagney <cagney@b1.cygnus.com>
1275
1276 * callback.c (default_callback): Missing initialisers.
1277
c967f187
DE		 1278Thu May 1 10:40:47 1997 Doug Evans <dje@canuck.cygnus.com>
1279
2317a499
DE		 1280 * sim-utils.c (sim_add_commas): New function.
1281 * sim-basics.h (sim_add_commas): Add prototype.
1282 * cgen-scache.c (scache_print_profile): Print commas in numbers.
1283 * sim-profile.c (COMMAS): New macro.
1284 (print_*): Use it to print commas in numbers.
1285
260b2c47
DE		 1286 * configure: Regenerated.
1287
1288 * cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
1289 (cgen_state): New member run_fast_p.
1290 (cgen_init): Add prototype.
1291 (sim_disassemble_insn): New arg `cpu'.
1292 * cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
1293 * cgen-utils.c (cgen_init): New function.
1294 (sim_disassemble_insn): New arg `cpu'. Rewrite fetching of insn.
1295 * genmloop.sh: Call engine_halt if loop exits.
1296
c967f187
DE		 1297 * Makefile.in (sim-options_h): Define.
1298 (sim-{module,options,trace,profile,utils}.o): Clean up dependencies.
1299 (sim-model.o): Add new rule.
1300 (cgen-{scache,trace,utils}.o): Add new rules.
1301 * aclocal.m4 (SIM_AC_OPTION_{SCACHE,DEFAULT_MODEL}): Add.
1302 * cgen-scache.c (scache_print_profile): Change `sd' arg to `cpu'.
1303 Indent output by 2 spaces.
1304 * cgen-scache.h (scache_print_profile): Update.
1305 * cgen-trace.c (trace_insn_fini): Indent output by 2 spaces.
1306 Use trace_printf, not fprintf.
1307 (trace_extract): Use trace_printf, not cgen_trace_printf.
1308 * genmloop.sh (!FAST case): Increment `insn_count'.
1309 * sim-base.h (sim_state_base): Only include scache_size if WITH_SCACHE.
1310 (sim_cpu_base): Rename member `sd' to `state' to be consistent with
1311 access macro's name.
1312 * sim-core.c (sim_core_init): Use EXTERN_SIM_CORE to define it.
1313 Change return type to SIM_RC.
1314 (sim_core_{install,uninstall}): New functions.
1315 * sim-core.h (sim_core_{install,uninstall}): Declare.
1316 (sim_core_init): Use EXTERN_SIM_CORE to define it.
1317 Change return type to SIM_RC.
1318 * sim-model.h (models,machs,model_install): Declare.
1319 * sim-module.c (modules): Add scache_install, model_install.
1320 (sim_post_argv_init): Set cpu->state backlinks.
1321 * sim-options.c (standard_options): Delete --simcache-size,--max-insns.
1322 (standard_option_handler): Likewise.
1323 * sim-profile.c (PROFILE_{HISTOGRAM,LABEL}_WIDTH): Move to
1324 sim-profile.h.
1325 (*): Assume ANSI C.
1326 (profile_options): Delete --profile-simcache.
1327 (profile_option_handler): Likewise.
1328 (profile_print_insn): Change `sd' arg to `cpu'. Indent output 2
1329 spaces.
1330 (profile_print_{memory,model}): Likewise.
1331 (profile_print_simcache): Delete.
1332 (profile_print_speed): New function.
1333 (profile_print): Rewrite.
1334 * sim-profile.h (PROFILE_scache): Renamed from PROFILE_simcache.
1335 (WITH_PROFILE_SCACHE_P): Renamed from WITH_PROFILE_SIMCACHE_P.
1336 (PROFILE_DATA): Delete members simcache_{hits,misses}.
1337 (PROFILE_COUNT_SIMCACHE_{HIT,MISS}): Delete.
1338 (PROFILE_{CALLBACK,CPU_CALLBACK}): New types.
1339 (profile_print): Update prototype.
1340
717dbb29
DE		 1341Wed Apr 30 11:34:14 1997 Doug Evans <dje@canuck.cygnus.com>
1342
6475b234 1343 * cgen-scache.[ch], cgen-sim.h: New files.
b9c8cd10
DE		 1344 * cgen-trace.[ch], cgen-types.h, cgen-utils.c, genmloop.sh: New files.
1345 * sim-model.c: New file.
1346
717dbb29
DE		 1347 * Make-common.in (clean targets): Undo patch of Apr. 22.
1348
1349Fri Apr 25 15:28:32 1997 Mike Meissner <meissner@cygnus.com>
1350
1351 * sim-n-bits.h (signed): If we have a standard compiler, undef
1352 signed, so that signedN is defined correctly.
1353
b320601b
DE		 1354Thu Apr 24 00:00:07 1997 Doug Evans <dje@canuck.cygnus.com>
1355
1356 * sim-module.h, sim-model.h, sim-profile.h: New files.
1357 * sim-module.c, sim-profile.c: New files.
1358 * Make-common.in (SIM_PROFILE): Define
1359 (CONFIG_CFLAGS): Add $(SIM_PROFILE).
1360 (sim_main_headers): Add sim-module.h, sim-model.h, sim-profile.h.
1361 (sim_module.o,sim-profile.o): Add rules for.
1362 * aclocal.m4 (--enable-sim-trace): Allow symbolic arguments.
1363 (--enable-sim-profile): Add.
1364 * configure: Regenerated.
1365 * sim-base.h (sim_state_base): New members init_list, uninstall_list,
1366 model. Move trace and profile support to sim-{trace,profile}.h.
1367 New members trace_data, profile_data.
1368 * sim-basics.h: #include sim-module.h, sim-model.h, sim-profile.h.
1369 * sim-config.h: Provide default definition of WITH_PROFILE.
1370 (WITH_TRACE): Change default to -1.
1371 (MAX_NR_PROCESSORS): Always define.
1372 * sim-options.c: Move trace and profile support to
1373 sim-{trace,profile}.h.
1374 (sim_pre_argv_init): Moved to sim-model.c.
1375 (standard_install): New function.
1376 * sim-options.h (sim_pre_argv_init): Move decl to sim-model.c.
1377 (standard_install): Declare.
1378 * sim-trace.c: Tracing option handling moved here from sim-options.c.
1379 (trace_install, trace_uninstall): New functions.
1380 (trace_printf): Update reference to TRACE_FILE.
1381 * sim-trace.h (TRACE_FOO_IDX): Moved here from sim-base.h.
1382 (TRACE_foo): Bit masks for symbolic arguments to --enable-sim-trace.
1383 (WITH_TRACE_FOO_P): Define.
1384 (trace_install): Declare.
1385 (TRACE_DATA): New struct.
1386
ef751fb0
DE		 1387Wed Apr 23 17:23:15 1997 Doug Evans <dje@canuck.cygnus.com>
1388
1389 * run.c: Undo last exec_bfd patch.
1390 (main): Only pass -E ifdef SIM_HAVE_BIENDIAN.
1391
e3eba3fd
MM		 1392Wed Apr 23 17:54:27 1997 Mike Meissner <meissner@cygnus.com>
1393
1394 * run.c (exec_bfd): Add back in.
1395 (main): Set exec_bfd.
1396
2c27ef78
DE		 1397Tue Apr 22 14:43:46 1997 Doug Evans <dje@canuck.cygnus.com>
1398
1399 * sim-load.c (sim_load_file): #include <stdio.h> for NULL.
1400
15c16493
AC		 1401Wed Apr 23 02:55:54 1997 Andrew Cagney <cagney@b1.cygnus.com>
1402
1403 * sim-events.c (insert_sim_event): Call sim_io_error instead of
1404 less well defined engine_error.
1405 * sim-core.c: Ditto.
1406
0f399b0c
SG		 1407Tue Apr 22 08:48:16 1997 Stu Grossman (grossman@critters.cygnus.com)
1408
1409 * Make-common.in: Change clean targets to use :: so that other
1410 Makefiles can have their own clean targets.
1411 * sim-load.c (xprintf eprintf): Use ANSI_PROTOTYPES instead of
1412 __STDC__ to control use of stdarg vs. varargs syntax. Some
1413 systems can't use __STDC__, but require stdarg.
1414
4a6163db
DE		 1415Fri Apr 18 11:14:43 1997 Doug Evans <dje@canuck.cygnus.com>
1416
e65bd1d8
DE		 1417 * sim-options.c (standard_options): Add --endian.
1418 (standard_option_handler): Likewise.
1419
4a6163db
DE		 1420 * nrun.c: #include <signal.h>.
1421 (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1422 handler that calls sim_stop ().
1423
8517f62b
AC		 1424Fri Apr 18 13:11:36 1997 Andrew Cagney <cagney@b1.cygnus.com>
1425
1426 * run.c (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
1427 handler that calls sim_stop (). Simulators may still be
1428 establishing their own handler.
1429
1430 * sim-events.c (sim_events_poll): Rename from
1431 sim_events_at_large_int. Poll IO.
1432
1433 * sim-io.c (sim_io_poll_quit): New function - pass on a polling
1434 request.
1435
1436 * callback.c (os_poll_quit): New function poll for quit signal
1437 where needed.
1438 (default_callback): Include magic number.
1439
0f2811d1
DE		 1440Thu Apr 17 02:25:11 1997 Doug Evans <dje@canuck.cygnus.com>
1441
63ddb6bd
DE		 1442 * aclocal.m4: Check for headers time.h, sys/time.h, sys/resource.h.
1443 Check for functions getrusage, time.
1444 * sim-basics.h (SIM_ELAPSED_TIME): New typedef.
1445 (sim_elapsed_time_get, sim_elapsed_time_since): Add prototypes.
1446 * sim-utils.c: #include time.h, sys/time.h, sys/resource.h if able.
1447 (sim_elapsed_time_get, sim_elapsed_time_since): New functions.
1448
ba65b2f4
DE		 1449 * sim-utils.c (sim_copy_argv, sim_analyze_program): New functions.
1450
4ede3a83 1451 * sim-options.c, sim-options.h: New files.
4b364b00 1452 * sim-config.h (WITH_DEBUG): Provide default value of zero.
e9b2f579 1453 * Make-common.in (nrun.o): Add rules for.
c95d08a8 1454 * nrun.c: New file.
4ede3a83 1455
f7d2f538
DE		 1456 * run.c (main): Check return value of sim_open.
1457
e9b2f579 1458 * Make-common.in (sim-options.o, sim-load.o, sim-trace.o): Add rules.
0f2811d1
DE		 1459 (sim_main_headers): Add sim-trace.h.
1460 * run.c (exec_bfd, target_byte_order): Delete.
1461 (main): Pass -E <endian> to sim_open. Delete code to load sections,
1462 call sim_load instead. Check return code of sim_create_inferior.
1463 * sim-base.h (CURRENT_STATE): Define.
1464 (sim_state_base): Make typedef. New members options, prog_argv,
1465 prog_bfd, text_{section,start,end}, start_addr, simcache_size,
1466 mem_size, memory [+ corresponding access macros].
1467 (sim_cpu_base): New typedef.
1468 * sim-trace.h: New file.
e9b2f579 1469 * sim-trace.c: New file.
0f2811d1 1470 * sim-basics.h: #include it.
35c384f6 1471 * sim-load.c: New file.
0f2811d1 1472
6808fd61
ILT		 1473Tue Apr 15 15:10:13 1997 Ian Lance Taylor <ian@cygnus.com>
1474
1475 * Make-common.in (INSTALL): Set to @INSTALL@.
1476 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1477 (install-common): Depend upon installdirs. Use
1478 $(program_transform_name) directly, rather than using
1479 $(INSTALL_XFORM).
1480 (installdirs): New target.
1481 * Makefile.in (INSTALL): Set to @INSTALL@.
1482 (INSTALL_XFORM, INSTALL_XFORM1): Remove.
1483 (install-man): Depend upon installdirs. Use
1484 $(program_transform_name) directly, rather than using
1485 $(INSTALL_XFORM).
1486 (installdirs): New target.
1487
7ec396d2
AC		 1488Tue Apr 15 15:08:12 1997 Andrew Cagney <cagney@b1.cygnus.com>
1489
1490 * sim-assert.h (SIM_ASSERT, ASSERT): Allow these macros to
1491 be overriden.
1492
1493Wed Apr 9 16:06:44 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1494
1495 * sim-basics.h: Only bring in config.h and tconfig.h if
1496 HAVE_CONFIG_H.
1497
1498Mon Apr 7 11:39:45 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1499
1500 * sim-config.h (WITH_TARGET_WORD_MSB): New Macro. Define the bit
1501 numbering convention of the target.
1502 * sim-config.c (print_sim_config): Print WITH_TARGET_WORD_BITSIZE
1503 and WITH_TARGET_WORD_MSB.
1504 (sim_config): When possible, check for consistency with bitsize
1505 and msb.
1506
1507 * sim-bits.h: Allow MSB to be other than zero.
1508 * sim-bits.c: Ditto.
1509 * sim-n-bits.h: Ditto.
1510
1511 * sim-bits.h (MSMASK*): New macros - converce to LSMASK*.
1512 * sim-n-bits.h (MSMASKEDn): Ditto.
1513
1514Mon Apr 14 16:29:21 1997 Ian Lance Taylor <ian@cygnus.com>
1515
1516 * Makefile.in (INSTALL): Change install.sh to install-sh.
1517
25a9c90b
DE		 1518Mon Apr 7 10:46:38 1997 Doug Evans <dje@canuck.cygnus.com>
1519
1520 * sim-base.h (sim_state_base): Move `magic' to end of struct.
1521
b4d88827
AC		 1522Mon Apr 7 15:53:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1523
1524 * run.c (main): Check that a program to run was specified.
1525
08db4a65
AC		 1526Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1527
1528 * aclocal.m4 (AC_TYPE_SIGNAL): Add check.
1529
1530 * configure: Regenerated to track ../common/aclocal.m4 changes.
1531 * config.in: Ditto.
1532
fbda74b1
DE		 1533Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
1534
21bfad86
DE		 1535 * sim-endian.h: Move host {LITTLE,BIG}_ENDIAN support from here,
1536 * sim-config.h: To here.
1537
00d74d3e
DE		 1538 * Make-common.in (SIM_EXTRA_DEPS): New config var.
1539 (sim_main_headers): Define.
1540 (sim-*.o): Depend on $(SIM_EXTRA_DEPS).
1541 (BUILT_SRC_FROM_COMMON): Move here from ../d30v/Makefile.in.
1542 (clean): Use it.
1543 (sim-utils.o): Add rule for.
1544 * sim-utils.o: New file.
1545 * sim-basics.h: #include sim-base.h.
1546 (zalloc): Make argument unsigned long.
1547 * sim-base.h: New file.
1548 * sim-inline.h (SIM_IO support): Delete.
1549 * sim-io.h: Delete inline support.
1550 * sim-io.c: Likewise. sim-state.h renamed to sim-main.h.
1551 * sim-config.c: sim-state.h renamed to sim-main.h.
1552 * sim-core.c: Likewise.
1553 * sim-events.c: Likewise.
1554
bcd1475a
DE		 1555 * run.c (main): Pass SIM_OPEN_STANDALONE to sim_open.
1556
fbda74b1
DE		 1557 * aclocal.m4: Check for stdlib.h, string.h, strings.h, unistd.h.
1558 (sim-debug): Allow arguments. Define WITH_DEBUG in addition to
1559 -DDEBUG.
1560 * configure: Regenerated to track ../common/aclocal.m4 changes.
1561
a35e91c3
AC		 1562Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1563
1564 * configure: Regenerated to track ../common/aclocal.m4 changes.
1565
1566Wed Apr 2 11:08:11 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1567
1568 * sim-config.h (WITH_ALIGNMENT, WITH_FLOATING_POINT,
1569 WITH_XOR_ENDIAN, WITH_SMP, WITH_RESERVED_BITS): Assume that these
1570 are defined by the configure.
1571
1572 * aclocal.m4 (sim-stdio): Add option stdio from ../ppc configure.
1573
1574 * aclocal.m4 (floating-point, xor-endian, alignment, smp,
1575 reserved-bits): Always define.
1576
1577 * sim-config.h, sim-config.c (sim_config): New function - and new
1578 file - co-ordinate the setting/checking of the common simulator
1579 configuration options.
1580
1581 * Make-common.in (sim-config.o): Add rule.
1582
1583Fri Mar 28 15:32:00 1997 Mike Meissner <meissner@cygnus.com>
1584
1585 * callback.c (os_{,e}vprintf_filtered): Change stdarg type to
1586 va_list from void *, since va_list might not be a pointer type.
1587
1588Mon Mar 24 15:27:12 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1589
1590 * sim-n-endian.h (offset_N): Correct assertion - word and sub word
1591 in wrong order.
1592 (offset_N): Correct computation of LE offset.
1593
1594 * sim-io.c (sim_io_error): Include a new line when reporting
1595 errors.
1596
1597 * sim-assert.h (SIM_FILTER_PATH): Out by one when locating last
1598 `/'.
1599
aa7cec3f
JL		 1600Thu Mar 20 22:31:06 1997 Jeffrey A Law (law@cygnus.com)
1601
1602 * run.c: Include alloca-conf.h.
7c058c9e
JL		 1603
1604 * callback.c (os_evprintf_filtered): Fix typo.
1605
fa21d299
AC		 1606Fri Mar 21 13:36:20 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1607
1608 * run.c (string.h, strings.h, stdlib.h): Include.
1609
1610 * sim-events.c (sim_events_tick): Recent cleanup failed to return
1611 0 when nothing pending.
1612
1613 * run.c (sim_size, sim_trace): Plicate GCC - these two functions
1614 will soon be going away.
1615 (getopt): Plicate GCC.
1616
1617 * sim-endian.c (sim-io.h): Plicate GCC.
1618 * sim-bits.c (sim-io.h): Ditto.
1619 * sim-n-bits.h (ROTn): Ditto.
1620
1621 * sim-io.c (sim_io_error): Correct check for NULL.
1622
1623 * sim-assert.h (SIM_FILTER_PATH): Separate out the code filtering
1624 the __FILE__.
1625 * sim-events.c: Use SIM_FILTER_PATH to filter out the filename
1626 path.
1627
1628Wed Mar 19 01:12:06 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1629
1630 * aclocal.m4 (SIM_AC_OPTION_*: Move so that they are outside of
1631 SIM_AC_COMMON - SIM_AC_COMMON was gobling arguments.
1632
4a5fb09d
AC		 1633Tue Mar 18 20:48:12 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1634
1635 * sim-alu.h: Include sim-xcat.h.
1636
d11d59ac
AC		 1637Tue Mar 18 13:58:18 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1638
1639 * Make-common.in (sim-bits.c, sim-core.c, sim-endian.c,
1640 sim-events.c, sim-inline.c, sim-io.c): Define rules for building
1641 these.
1642
1643 * sim-events.c (sim_events_at_large_int): New function. Just
1644 schedules an event every large-int ticks.
1645 (sim_events_init): Call.
1646 (sim_events_tick, sim_events_process): Move async handing to
1647 sim_events_process. Move timer decrement so that it occures after
1648 events have been processed.
1649
1650 * sim-basics.h (struct _engine): Remove declaration.
1651
1652 * sim-events.h, sim-events.c: Rename type to sim_events. Prefix
1653 everything with same. Rename global struct to SIM_DESC.
1654 * sim-core.h, sim-core.c, sim-n-core.c: Ditto for sim_core.
1655 * sim-io.h, sim-io.c: Ditto.
1656
1657 * sim-assert.h: New file. Optional assertion checking macros.
1658 * sim-io.c (sim_io_error): Make just this function tolerant to
1659 null pointers.
1660
1661 * sim-xcat.h: New file. Define concatenate macros.
1662 * sim-basics.h (XCONCAT*): Move to sim-xcat.h.
1663 * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Explicitly include
1664 concat macros.
1665
1666
752517cc
AC		 1667Tue Mar 18 12:44:55 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1668
1669 * sim-bits.h (LSMASK): New macro. Create mask of LS bits.
1670
86eb1e29
AC		 1671Mon Mar 17 18:10:05 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1672
1673 * sim-inline.h: Add definitions for sim-types.
1674 (ALL_BY_MODULE): New macro, encapsulate full inlining by the
1675 module.
1676
231de1b8
AC		 1677Mon Mar 17 15:38:27 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1678
1679 * sim-events.h: Remove defunct reference to callback struct.
1680
a77aa7ec
AC		 1681Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1682
1683 * configure: Re-generate.
1684
1685Mon Mar 17 15:04:47 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1686
1687 * Make-common.in (CSEARCH): Do not include the gdb directory in
1688 the search path.
1689
1690Mon Mar 17 13:16:26 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1691
1692 * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
1693 SIM_WARNING): Drop, requiring the simulator specific Makefile.in
1694 to explicitly incorporate these.
1695
1696 * aclocal.m4 (--enable-sim-alignment); New option. Strongly
1697 specify the alignment restrictions of the target architecture -
1698 without this option all alignment restrictions are accomodated.
1699 (--enable-sim-assert): New option. Conditionally compile in
1700 assertion statements.
1701 (--enable-sim-float): New option. Strongly specify the target's
1702 floating point support.
1703 (--enable-sim-hardware): New option. Specify the hardware devices
1704 included in the simulation.
1705 (--enable-sim-packages): New option. Specify the hardware
1706 packages included in the simulation.
1707 (--enable-sim-regparm): New option. Specify that parameters be
1708 passed in registers instead of on the stack.
1709 (--enable-sim-reserved-bits): New option. Specify that reserved
1710 bits within an instruction are are correctly set.
1711 (--enable-sim-smp): New option. Specify the level of SMP support
1712 to be included in the simulator.
1713 (--enable-sim-stdcall): New option. Specify an alternative
1714 function call convention.
1715 (--enable-sim-xor-endian): New option. Configure xor-endian
1716 support used by some targets to implement bi-endian support.
1717
f2de7dfd
AC		 1718Fri Mar 14 19:51:21 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1719
1720 * aclocal.m4 (--enable-sim-hostendian): New option. Allow the
1721 host endianness to be overridden.
1722 (--enable-sim-endian): Allow the target platform's byte order
1723 to be overridden.
1724 (--enable-sim-inline): Control the inlining of common components.
1725 (--enable-sim-bswap): For compatibility, also define WITH_BSWAP.
1726 (--enable-sim-warnings): Enable additional GCC compiler checks.
1727 * Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
1728 SIM_WARNINGS): Add.
1729
1730 * sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Rename from
1731 sim-*-n.h so that the names are uniq on dos machines
1732 * sim-core.c, sim-bits.c, sim-endian.c: Update.
1733
499aa792
DE		 1734Thu Mar 13 12:32:42 1997 Doug Evans <dje@canuck.cygnus.com>
1735
1736 * run.c: #include "libiberty.h".
1737 (main): New locals sd,no_args,sim_argv.
1738 Run buildargv on -a option. Pass argv to sim_open, argv[0]
1739 is program name. Update call to sim_set_callbacks.
1740 Record result of sim_open, pass to other sim_foo routines.
1741
fd435e9f
MM		 1742Thu Mar 13 10:24:05 1997 Michael Meissner <meissner@cygnus.com>
1743
1744 * callback.c (os_printf_filtered): Do not call exit(1) or print a
1745 final newline.
1746
1747Thu Mar 6 15:50:28 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1748
1749 * callback.c: Add os_flush_stdout and vprintf_filtered callbacks.
1750 Route stdout through buffered IO.
1751
1752 * callback.c: Add os_flush_stderr, os_write_stderr,
1753 os_evprintf_filtered functions to route error output through
1754 stderr.
1755
1756 * sim-io.h, sim-io.c (sim_io_flush_stderr, sim_io_flush_stdout):
1757 Correct return type - should be void.
1758
1759Fri Mar 7 20:14:37 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1760
1761 * sim-basics.h: Clean up. Many macro's moved to sim-inline.h.
1762
1763 * sim-config.h: Ditto. For some options - eg WITH_DEVICES - do
1764 not provide a default value as undefined indicates disable code.
1765
1766Thu Mar 6 15:50:28 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1767
1768 * sim-core.h, sim-core-n.h, sim-core.c: Borrow code from ppc
1769 directory.
1770 * sim-events.h, sim-events.c: Ditto.
1771 * sim-io.h, sim-io.c: Ditto.
1772
b3e426bc
AC		 1773Tue Mar 4 09:35:56 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1774
1775 * sim-alu.h (ALU_SUB_CA, ALU*_SUB_CA): New alu operation.
1776
1777 * sim-bits.h, sim-bits-n.h, sim-bits.c (LSMASKED*): New macro's
1778 extract the tail or least signifiant bits from an integer of the
1779 specified size.
1780
1781 * sim-bits.h, sim-bits.c: Clean up conditionally compiled #if
1782 WITH_TARGET_BITSIZE so that the compilation will fail when an
1783 unsupported bitsize value is defined.
1784
1785 (INSERTED*): Convert to functions.
1786 (EXTRACTED*): Ditto.
1787
1788 (SIGN_EXTEND, SEXT): Change to more terse name.
1789
17bbcaad
AC		 1790Tue Mar 4 09:35:56 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1791
1792 * sim-inline.h: Allow explicit control over which .c files will be
1793 included by their header.
1794
1795 * sim-inline.h: Allow explicit control over which .c files use the
1796 alternative - REGPARM - parameter passing mechanism.
1797
1798 * sim-inline.h, sim-inline.c: Don't attempt to include any of
1799 icache.c, idecode.c, semantics.c or support.c. Those names are
1800 not generally applicable.
1801
b3e426bc
AC		 1802Thu Feb 27 10:17:23 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1803
1804 * sim-bits.c, sim-bits-n.h (new): Split sim-bits.c into two parts
1805 in a fashion similar to sim-endian-n.
1806
1807 * sim-endian.h: (H_word, L_word, AL_*, VL_*): Extend to include
1808 both value and address macro's.
1809
1810Tue Feb 25 18:51:57 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
1811
1812 * sim-alu.h (ALU16_BEGIN, ALU16_SET, ...): Fill in.
1813
1814 * sim-endian.h (L_word, H_word): Replace MS2W_4, LS2W_4 with more
1815 generic L_word, H_word macro's.
1816
17bbcaad
AC		 1817Thu Feb 20 18:36:55 1997 Andrew Cagney <cagney@critters.cygnus.com>
1818
1819 * sim-basics.h: Borrow code from ppc directory.
1820 * sim-bits.c: Ditto.
1821 * sim-bits.h: Ditto.
1822 * sim-config.h: Ditto.
1823 * sim-endian-n.h: Ditto.
1824 * sim-endian.c: Ditto.
1825 * sim-endian.h: Ditto.
1826 * sim-inline.c: Ditto.
1827 * sim-inline.h: Ditto.
1828 * sim-types.h: Ditto.
1829
1830Wed Feb 19 12:40:50 1997 Andrew Cagney <cagney@critters.cygnus.com>
1831
1832 * sim-alu.h (ALU_SET16, ALU_SET32, ALU_SET64, etc): Make available
1833 all the ALU size alternatives and then auto-configure a default.
1834
1835 * sim-alu.h: Copy ppc/idecode_expression.h.
1836
1837Mon Feb 17 10:44:18 1997 Andrew Cagney <cagney@critters.cygnus.com>
1838
1839 * bits.h, bits.c (SIGN_EXTEND32, SIGN_EXTEND64): New functions,
1840 sign extend a bit within a value.
1841
1842 * sim-endian.h, sim-endian-n.h (offset_N): New functions - return
1843 a pointer into the middle of a host word.
1844 * sim-endian.h (MS2W_4, LS2W_4): Use this function.
1845
1846Tue Feb 11 13:46:49 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1847
1848 * callback.c: If HAVE_CONFIG_H is defined, include config.h from
1849 autoconf. If HAVE_UNISTD_H is defined, include unistd.h to get
1850 appropriate definitions of read, write, etc. Add prototype for
1851 system.
1852
1cc9ed29
DE		 1853Tue Feb 4 13:24:44 1997 Doug Evans <dje@canuck.cygnus.com>
1854
1855 * Makefile.in (libcommon.a): Delete.
1856 (callback.o,targ-map.o): Delete, moved to Make-common.in.
1857 (gentmap,targ-vals.h,targ-map.c): Likewise.
1858 (run-autoconf): Delete.
1859 * aclocal.m4 (SIM_AC_OUTPUT): Redo creation of Makefile.
1860 (common makefile fragment): Moved back into ...
1861 * Make-common.in: Resurrect.
1862 * configure.in (AC_LINK_FILES): Delete, unnecessary now.
1863 * configure: Regenerated.
1864
8cd89e77
DE		 1865Fri Jan 31 07:16:49 1997 Doug Evans <dje@canuck.cygnus.com>
1866
1867 * aclocal.m4 (SIM_AC_COMMON): Move COMMON_MAKEFILE_FRAG from here.
1868 (SIM_AC_OUTPUT): To here.
1869
76e2c9ae
SG		 1870Fri Jan 24 10:37:17 1997 Stu Grossman (grossman@critters.cygnus.com)
1871
1872 * aclocal.m4 (COMMON_MAKEFILE_FRAG): Quote a couple of $'s in
1873 comments and single quotes. Fixes a problem found on hpux.
1874
80b7b3a5
SG		 1875Thu Jan 23 13:35:03 1997 Stu Grossman (grossman@critters.cygnus.com)
1876
e1dfb8c5 1877 * aclocal.m4: Remove Make-common.in from dependencies.
42653e99 1878 * (distclean): Remove targ-vals.def.
e1dfb8c5 1879
80b7b3a5
SG		 1880 * aclocal.m4 (SIM_AC_COMMON): Move contents of Make-common.in
1881 into here. Makes insertion into makefiles easier. Also, change
1882 the way that callback.o, gentmap, targ-vals.h, targ-map.c,
1883 targ-map.o, and run are built. They are now built in the
1884 individual simulator directories, taking sources from ../common as
1885 necessary. This replaces the merging of libcommon.a into
1886 linsim.a, which was problematic for the WinGDB build process.
1887 * run.c: Include config.h from . instead of ../common.
1888 * Make-common.in: Remove. It's no longer necessary.
1889
1890Mon Dec 16 15:02:33 1996 Ian Lance Taylor <ian@cygnus.com>
1891
1892 * Make-common.in (ALL_CLAGS): Put CFLAGS at the end.
1893 (.c.o): Put $(ALL_CFLAGS) before the file being compiled.
1894
1895Wed Dec 11 11:30:58 1996 Jim Wilson <wilson@cygnus.com>
1896
1897 * run.c (main): Set target_byte_order before call to sim_open.
1898
966f47b4
DE		 1899Sun Dec 8 18:22:06 1996 Doug Evans <dje@canuck.cygnus.com>
1900
1901 * callback.c: #include <stdlib.h>
1902 (os_error): New function.
1903 (default_callback): Add os_error.
1904
1905Mon Nov 25 19:44:35 1996 Doug Evans <dje@canuck.cygnus.com>
1906
1907 * Make-common.in (Makefile): Set CONFIG_HEADERS="".
1908 * aclocal.m4: Mark the fact that --enable-sim-bswap isn't host
1909 specific.
1910 (SIM_AC_OUTPUT): Don't build Makefile if CONFIG_FILES="".
1911
1912Wed Nov 20 01:11:04 1996 Doug Evans <dje@canuck.cygnus.com>
1913
1914 * run.c: #include ../common/config.h, tconfig.h.
1915 (myname): New static global.
1916 (main): Recognize new options -a, -c. Also recognize -h if h8/300.
1917 Only process -c ifdef SIM_HAVE_SIMCACHE.
1918 Only process -p/-s ifdef SIM_HAVE_PROFILE.
1919 Parse program name from argv[0] and use in error messages.
1920 Pass sim_args to sim_open. Pass prog_args to sim_create_inferior.
1921 Add support for incomplete h8/300 termination indicators.
1922 (usage): Make more verbose.
1923 * aclocal.m4,config.in,tconfig.in,configure.in,configure: New files.
1924 * Makefile.in,Make-common.in,callback.c: New files.
1925 * nltvals.def,gentmap.c,gentvals.sh: New files.
1926
1927Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
1928
1929 * run.c: Include stdarg.h if __STDC__.
1930
1931Tue Oct 15 11:16:31 1996 Jeffrey A Law (law@cygnus.com)
1932
1933 * run.c (main): Don't print out anything if the signal
1934 number is zero (ie no signal).
1935
57bc1a72
MM		 1936Tue Oct 15 11:20:44 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1937
1938 * run.c (main): Print out if the program raised a signal.
1939
1940Wed Sep 18 09:52:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1941
1942 * run.c (exec_bfd): Rename from sim_bfd, to use the gdb name.
1943 (main): Ditto.
1944
3733d109
JSC		 1945Tue Sep 17 11:04:50 1996 James G. Smith <jsmith@cygnus.co.uk>
1946
1947 * run.c (main): Explicitly cast malloc() parameter.
1948
9b280a86
MM		 1949Thu Sep 12 11:27:21 1996 Michael Meissner <meissner@tiktok.cygnus.com>
1950
1951 * run.c (sim_bfd): New global to hold the bfd pointer for the
1952 executable.
1953 (main): Initialize sim_bfd.
1954
1955Fri Dec 15 16:27:49 1995 Ian Lance Taylor <ian@cygnus.com>
1956
1957 * run.c (main): Use new bfd_big_endian macro.
1958
1959Wed Nov 8 15:49:49 1995 James G. Smith <jsmith@pasanda.cygnus.co.uk>
1960
1961 * run.c (main): Removed SH specific comments, so source is
1962 generic. Also updated to only load relevant sections. Moved
1963 sim_open() to after callback attach (to match GDB).
1964
1965 * run.1: Removed SH specific comments.
1966
3be50301
JW		 1967Sat Oct 21 12:31:01 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1968
1969 * run.c (main): Always return sigrc at end.
1970
1971Tue Oct 10 12:03:13 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1972
1973 * run.c (main): Print error diagnostic and exit if bfd_openr() or
1974 bfd_check_format() fails.
1975
f025d903
SC		 1976Thu Sep 28 15:40:36 1995 steve chamberlain <sac@slash.cygnus.com>
1977
1978 * run.c, run.1: From sh directory.
1979
1980
GDB Binutils - Deliverables
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