gcc uses trap 33 for profiling, but the simulator didn't support it.
[deliverable/binutils-gdb.git] / sim / sh / ChangeLog
1 Fri Oct 11 16:22:28 2002 J"orn Rennecke <joern.rennecke@superh.com>
2
3 * interp.c (trap): Return int. Take extra parameter for address
4 of the trap instruction. Changed all callers.
5 Add case 33 for profiling.
6 * gencode.c (trapa): Handle trap 33 using the trap function.
7 Add read of vector for generic traps.
8
9 Wed Jul 17 19:36:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
10
11 * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
12 * interp.c: Include "gdb/sim-sh.h".
13 (sim_store_register, sim_fetch_register): Use constants defined there.
14
15 Tue Jun 18 16:53:11 2002 J"orn Rennecke <joern.rennecke@superh.com>
16
17 * interp.c (sim_resume): Fix setting of bus error for
18 instruction fetch.
19
20 2002-06-16 Andrew Cagney <ac131313@redhat.com>
21
22 * configure: Regenerated to track ../common/aclocal.m4 changes.
23
24 2002-06-08 Andrew Cagney <cagney@redhat.com>
25
26 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
27
28 2001-01-30 Ben Elliston <bje@redhat.com>
29
30 * interp.c (sim_create_inferior): Record program arguments for
31 later inspection by the trap handler.
32 (count_argc): New function.
33 (prog_argv): Declare static.
34 (sim_write): Declare.
35 (trap): Implement argc, argnlen and argn system calls. Do not
36 abort on unknown system calls--simply return -1.
37 * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
38
39 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
40
41 * interp.c (trap): Implement time.
42
43 2000-10-24 Ben Elliston <bje@redhat.com>
44
45 * gencode.c (tab): Delimit strings with commas where applicable.
46
47 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
48
49 * configure: Regenerated to track ../common/aclocal.m4 changes.
50
51 Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
52
53 sh-dsp support, simulator speedup by using host byte order:
54
55 * Makefile.in (interp.o): Depends on ppi.c .
56 (ppi.c): New rule.
57 * gencode.c (printonmatch, think, genopc): Deleted.
58 (MAX_NR_STUFF): Now 42.
59 (tab): Add SH-DSP CPU instructions.
60 Amalgamate ldc / stc / lds / sts instructions with similar
61 bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
62 Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
63 (movsxy_tab): New array.
64 For movs, change MMMM field to GGGG, and mmmm field to MMMM.
65 Added entries for movx, movy and parallel processing insns.
66 (ppi_tab): New array.
67 (qfunc): Stabilize sort.
68 (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
69 Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
70 (dumptable): Now takes three arguments. Changed all callers.
71 Emit just one contigous jump table.
72 (filltable): Now takes an argument. Changed all callers.
73 Make index static.
74 (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
75 (gensim_caselist): New function, broken out of gensim.
76 Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
77 Handle ref '9'.
78 (gensim): Handle 'N' in code field and '8' in refs field.
79 Call gensim_caselist - twice.
80 (ppi_index): New static variable.
81 (main): Unsupport default action.
82 Add dsp support for -x / -s option. Add -p option.
83 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
84 (saved_state_type): Rearrange to allow amalgamated ldc / stc /
85 lds / sts to work efficiently.
86 (target_dsp): New static variable.
87 (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
88 (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
89 (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
90 (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
91 (set_fpscr1): Likewise. Use target_dsp to check for dsp.
92 (MOD_MSi, SIG_BUS_FETCH): Deleted.
93 (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
94 (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
95 (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
96 of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
97 (set_sr): Reflect saved_state_type change. Fix SR_RB handling.
98 Use SET_MOD.
99 (MA, L, TL, TB): Now controlled by ACE_FAST.
100 (SEXT32): Just cast to int.
101 (SIGN32): Fixed to only shift by 31.
102 (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
103 (ppi_insn): Declare.
104 (ppi.c): Include.
105 (init_dsp): Set target_dsp. When it changes, switch end of
106 sh_jump_table with sh_dsp_table.
107 (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
108 Don't Declare PR if it's #defined.
109 Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
110 (sim_store_register, sim_read_register): Translate accesses to
111 reflect saved_state_type change.
112
113 * interp.c (set_sr): Set sr.
114 (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
115 (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
116 (DSP_R): Fix definition.
117 (sim_resume): Remove outdated SET_SR use.
118
119 * interp.c (saved_state): New members for struct member asregs:
120 rs, re, insn_end, xram_start, yram_start.
121 (struct loop_bounds): New struct.
122 (SKIP_INSN): New macro.
123 (get_loop_bounds): New function.
124 (endianw): Renamed to global_endianw.
125 (maskw): negated bits.
126 (PC): Now insn_ptr.
127 (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
128 (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
129 (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
130 (SIG_BUS_FETCH): Likewise
131 (raise_exception, riat_fast): New functions.
132 (raise_buserror, sim_stop): Use raise_exception.
133 (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
134 (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
135 Reverse sense of mask argument.
136 (FP_OP, set_dr): Use RAISE_EXCEPTION.
137 (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
138 Declare. Remove redundant masking.
139 (wwat_fast, rwat_fast): Add argument endianw. Changed callers.
140 (MA): Updated for change pc -> PC.
141 (Delay_Slot): Use RIAT.
142 (empty): Deleted.
143 (trap): Remove argument little_endian. Add argument endianw.
144 Changed all callers. Use raise_exception.
145 (macw): Add argument endainw. Changed all callers.
146 (init_dsp): New function, extended after broken out of init_pointers.
147 (sim_resume): Replace pc with insn_ptr. Replace little_endian with
148 endianw. Replace nia with nip. Reverse sense of maskb / maskw /
149 maskl. Implement logic for zero-overhead loops. Don't try to
150 interpret garbage when getting a SIGBUS at insn fetch.
151 (sim_open): Call init_dsp.
152 * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
153 RAISE_EXCEPTION where appropriate.
154 Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
155
156 * interp.c (sim_store_register, sim_fetch_register):
157 Do proper endianness switch.
158
159 * interp.c (saved_state_type): New members for struct member asregs:
160 xymem_select, xmem, ymem, xmem_offset, ymem_offset.
161 (special_address): Delete.
162 (BUSERROR): Now a two-argument predicate.
163 (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
164 (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
165 (process_wlat_addr, process_wwat_addr): New functions.
166 (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
167 (process_rbat_addr): Likewise.
168 (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
169 (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
170 (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
171 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
172 (do_rdat, trap): Delete SLOW code.
173 (SEXT32, SIGN32): New macros.
174 (swap, swap16): Now integer in - integer out. Changed all callers.
175 (strswaplen, strnswap): Delete SLOW versions.
176 (init_pointers): Initialize dsp memory selection (preliminary).
177 (sim_store_register, sim_fetch_register): Use swap instead of
178 big / little endian read / write functions.
179
180 * interp.c (maskl): Deleted.
181 (endianw, endianb): New variables.
182 (special_address): Now inline.
183 (bp_holder): Put raising of buserror there, rename to:
184 (raise_buserror).
185 (BUSERROR): Now yields a value. Changed all users.
186 (wbat_big): Delete.
187 (wlat_fast, wwat_fast, wbat_fast): New functions.
188 (rlat_fast, rwat_fast, rbat_fast): Likewise.
189 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
190 (do_rdat, do_wdat): Likewise. Take maskl argument instead of
191 little_endian one. Changed caller macros.
192 (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
193 (strswaplen, strnswap): New functions.
194 (trap): Use them to fix up endian mismatches;
195 disable SYS_execve and SYS_execv; fix double address translation for
196 SYS_pipe and SYS_stat.
197 (sym_write, sym_read): Add endianness translation.
198 (sym_store_register, sym_fetch_register): Add maskl local variable.
199 (sim_open): Set endianw and endianb.
200
201 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
202
203 * configure: Regenerated to track ../common/aclocal.m4 changes.
204
205 Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com>
206
207 * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
208 union type, instead of casting to an int* then a float*.
209 (fcnvsd FPUL,<DR_N>): Likewise.
210 (flds <FREG_N>,FPUL): Likewise.
211 (fsts FPUL,<FREG_N>): Likewise.
212
213 1999-05-08 Felix Lee <flee@cygnus.com>
214
215 * configure: Regenerated to track ../common/aclocal.m4 changes.
216
217 1999-04-02 Keith Seitz <keiths@cygnus.com>
218
219 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
220 frequency at which the poll_quit callback is called.
221 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
222 hard-coded value.
223
224 Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
225
226 * interp.c (saved_state.asregs): Add new member pad_dummy.
227 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
228 as index into saved_state.asints.
229
230 Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com)
231
232 * interp.c (sim_open): set endianness based on the ABFD if a -E
233 option is not present and we have an ABFD.
234
235 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
236
237 * configure: Regenerated to track ../common/aclocal.m4 changes.
238
239 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
240
241 * configure: Regenerated to track ../common/aclocal.m4 changes.
242 * config.in: Ditto.
243
244 Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com>
245
246 * acconfig.h: New file.
247 * configure.in: Reverted change of Apr 24; use sinclude again.
248
249 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
250
251 * configure: Regenerated to track ../common/aclocal.m4 changes.
252 * config.in: Ditto.
253
254 Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com>
255
256 * configure.in: Don't call sinclude.
257
258 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
259
260 * configure: Regenerated to track ../common/aclocal.m4 changes.
261
262 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
263
264 * configure: Regenerated to track ../common/aclocal.m4 changes.
265
266 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
267
268 * configure: Regenerated to track ../common/aclocal.m4 changes.
269
270 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
271
272 * configure: Regenerated to track ../common/aclocal.m4 changes.
273
274 Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com>
275
276 * interp.c (sim_fetch_register, sim_store_register): Pass in
277 length parameter. Return -1.
278
279 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
280
281 * configure: Regenerated to track ../common/aclocal.m4 changes.
282
283 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
284
285 * configure: Regenerated to track ../common/aclocal.m4 changes.
286
287 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
288
289 * configure: Regenerated to track ../common/aclocal.m4 changes.
290
291 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
292
293 * configure: Regenerated to track ../common/aclocal.m4 changes.
294 * config.in: Ditto.
295
296 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
297
298 * configure: Regenerated to track ../common/aclocal.m4 changes.
299
300 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
301
302 * interp.c (sim_load): Pass lma_p and sim_write args to
303 sim_load_file.
304
305 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
306
307 * configure: Regenerated to track ../common/aclocal.m4 changes.
308
309 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
310
311 * configure: Regenerated to track ../common/aclocal.m4 changes.
312
313 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
314
315 * configure: Regenerated to track ../common/aclocal.m4 changes.
316
317 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
318
319 * configure: Regenerated to track ../common/aclocal.m4 changes.
320
321 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
322
323 * configure: Regenerated to track ../common/aclocal.m4 changes.
324
325 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
326
327 * configure: Regenerated to track ../common/aclocal.m4 changes.
328
329 Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com>
330
331 * interp.c (sim_resume): poll_quit() at least once per call;
332 otherwise gdb can loop sim_resume() uninterruptably.
333
334 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
335
336 * configure: Regenerated to track ../common/aclocal.m4 changes.
337
338 Tue Sep 2 13:15:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
339
340 * gencode.c (tab): Order instructions according to SH3 document.
341
342 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
343
344 * configure: Regenerated to track ../common/aclocal.m4 changes.
345 * config.in: Ditto.
346
347 Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
348
349 * interp.c (sim_kill): Delete.
350 (sim_create_inferior): Add ABFD argument.
351 (sim_load): Move setting of PC from here.
352 (sim_create_inferior): To here.
353
354 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
355
356 * configure: Regenerated to track ../common/aclocal.m4 changes.
357 * config.in: Ditto.
358
359 Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
360
361 * interp.c (sim_open): Add ABFD argument.
362
363 Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
364
365 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
366 FP's around.
367 (set_dr): Ditto.
368
369 Mon Jun 23 15:02:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
370
371 * interp.c (XD, SET_XD): Delete.
372 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
373 FP bank.
374
375 * gencode.c (fmov): Update.
376
377 Sun Jun 22 19:33:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
378
379 * interp.c (set_fpscr1): From J"orn Rennecke
380 <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
381
382 Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
383
384 * interp.c (special_address): New function.
385 (BUSERROR): Call it. Added parameters bits_written and data.
386 Changed all callers.
387 * gencode.c (tab): Fixed ocbwb and pref.
388
389 Fri Jun 20 22:03:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
390
391 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
392
393 Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
394
395 * interp.c (sim_create_inferior): Clear registers each time an
396 inferior is started.
397
398 Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
399
400 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
401 when a host doesn't support IEEE FP.
402 (*DP): Provide alternative definition that supports 64bit floating
403 point.
404 (target_little_endian): Combine little_endian and little_endian_p.
405 (saved_state_type): Make fpscr and sr simple integers.
406 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
407 (set_fpscr1): New function. Handle swapping when PR / FR bits
408 changed. Call via *_FPSCR macro.
409 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
410 endian problems.
411
412 * gencode.c (tab): Update.
413
414 Sun Jun 15 15:22:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
415
416 * gencode.c (main): Perform basic checks on tab entries.
417
418 * Makefile.in (gencode): Always compile with -g.
419
420 Sat Jun 14 13:45:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
421
422 * gencode.c (gensim): Move ref checking code to before `stuff'.
423 For branches with delay slots refs were not being checked.
424
425 * interp.c (sim_resume): Use nia to specify the next instruction
426 address instead of overloading pc.
427 (C): Delete definiton - refer to cycles directly.
428 (SEXT12): New macro - sign extend a 12 bit quantity.
429 (Delay_Slot): Rename from SL.
430
431 * gencode.c (tab): Update/simplify.
432
433 * gencode.c (gensim): Better formatting of output code.
434 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
435 (tab): Sort alphabetically. Break `stuff' into multiple lines.
436
437 Fri Jun 13 22:10:13 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
438
439 * gencode.c (braf, bsrf): Fix branch destination calculation to
440 be in accordance with the documentation.
441
442 Fri Jun 13 15:33:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
443
444 * interp.c (init_pointers): Fix little endian test.
445
446 Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
447
448 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
449 * gencode (fmov from/to memory): take endian_mismatch into account
450 for 32 bit moves too.
451
452 Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
453
454 * gencode.c (swap.b): Fix treatment of high word.
455
456 Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
457
458 * sh/gencode.c,
459 * interp.c: experimental SH4 support.
460 DFmode moves are probaly broken for target little endian.
461
462 Tue May 20 10:23:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
463
464 * interp.c (sim_open): Add callback argument.
465 (sim_set_callbacks): Delete SIM_DESC argument.
466
467 Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com>
468
469 * Makefile.in (SIM_EXTRA_CLEAN): Define.
470 (clean targets): Delete.
471 (sh-clean): New target.
472
473 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
474
475 * configure: Regenerated to track ../common/aclocal.m4 changes.
476
477 Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com>
478
479 * tconfig.in: New file.
480 * interp.c (sim_open): Handle missing arg to -E.
481
482 Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com)
483
484 * Makefile.in: Add clean targets.
485
486 Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
487
488 * interp.c: Include float.h and define SIGTRAP if _WIN32.
489 WIN32 -> _WIN32.
490 * (trap): Do do SYS_chown for _WIN32.
491
492 Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
493
494 * interp.c (sim_resume): Fix argument to poll_quit.
495
496 Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
497
498 * interp.c (sim_stop): New function.
499 (sim_resume): Use poll_quit for polling.
500
501 Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
502
503 * Makefile.in (SIM_OBJS): Add sim-load.o.
504 * interp.c (target_byte_order): Delete.
505 (sim_kind, myname, little_endian_p): New static locals.
506 (init_pointers): Use little_endian_p instead of target_byte_order.
507 (sim_resume): Likewise.
508 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
509 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
510 load file into simulator. Set start address from bfd.
511 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
512
513 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
514
515 * configure: Regenerated to track ../common/aclocal.m4 changes.
516 * config.in: Ditto.
517
518 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
519
520 * interp.c (sim_open): New arg `kind'.
521
522 * configure: Regenerated to track ../common/aclocal.m4 changes.
523
524 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
525
526 * configure: Regenerated to track ../common/aclocal.m4 changes.
527
528 Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
529
530 * interp.c (sim_do_command): Check for NULL command or empty
531 string and handle it the same as a "help" command. Use callback
532 to print error message for unrecognized commands. Replace
533 hardcoded tab in literal string with a \t. Other minor code
534 cleanup.
535
536 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
537
538 * configure: Regenerated to track ../common/aclocal.m4 changes.
539
540 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
541
542 * configure: Re-generate.
543
544 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
545
546 * configure: Regenerate to track ../common/aclocal.m4 changes.
547
548 Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
549
550 * interp.c (sim_open): New SIM_DESC result. Argument is now
551 in argv form.
552 (other sim_*): New SIM_DESC argument.
553
554 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
555
556 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
557 COMMON_{PRE,POST}_CONFIG_FRAG instead.
558 * configure.in: sinclude ../common/aclocal.m4.
559 * configure: Regenerated.
560
561 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
562
563 * configure configure.in Makefile.in: Update to new configure
564 scheme which is more compatible with WinGDB builds.
565 * configure.in: Improve comment on how to run autoconf.
566 * configure: Re-run autoconf to get new ../common/aclocal.m4.
567 * Makefile.in: Use autoconf substitution to install common
568 makefile fragment.
569
570 Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
571
572 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
573 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
574 * configure.in: Simplify using macros in ../common/aclocal.m4.
575 Call AC_CHECK_HEADERS(unistd.h).
576 * configure: Regenerated.
577 * config.in: New file.
578 * interp.c: #include "config.h". #include <unistd.h> if present.
579 (trap): Fetch errno value with callback->get_errno.
580
581 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
582
583 * interp.c: Don't include windows polling code if inside simluator.
584
585 Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
586
587 * interp.c: Minor formatting improvements.
588 (saved_state_type): Add bank registers.
589 (bp_holder): New function, use to break on when debugging BUSERROR.
590 (BUSERROR): Call it if bus error occurs.
591
592 Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
593
594 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
595 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
596 (docdir): Removed.
597 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
598 (AC_PROG_INSTALL): Added.
599 * configure: Rebuilt.
600
601 Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
602
603 * interp.c (saved_state_type): Add memstalls field.
604 (MA) Define macro.
605 (sim_resume): New local variable memstalls. Add it back in to
606 saved_state at the end of the function.
607 (sim_info): Report memstalls.
608 * gencode.c (tab): Add MA() to the execution string of all
609 instructions which access memory.
610
611 Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
612
613 * configure: Regenerate with autoconf 2.7.
614
615 Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
616
617 * gencode.c (mac.l): Don't abort GDB if executing mac.l
618 instruction (which is unimplemented). Generate a SIGTRAP (in the
619 simulated target) instead.
620
621 Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
622
623 * gencode.c (tab): Added several sh3 opcodes.
624 (think): Added printonmatch for A_SSR and A_SPC.
625 * interp.c (SSR, SPC): Added definitions.
626 (saved_state_type): Added ssr and spc registers.
627
628 Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
629
630 * gencode.c (tab): In shad/shld definitions, negate R[m] before
631 the and operation instead of after. For shad delete cast. For shld
632 use UR instead of R and delete cast.
633
634 Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
635
636 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
637
638 Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
639
640 * interp.c: Make target_byte_order be extern to prevent SGI cc from
641 issuing warnings about the use of common symbols.
642
643 Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
644
645 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
646 actually uses pr+0.
647
648 Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
649
650 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
651 program exited.
652 (sim_get_quit_code): Delete.
653
654 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
655 default case.
656
657 Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
658
659 * interp.c (saved_state_type): Move FP registers to immediately
660 after SR.
661
662 Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
663
664 * Makefile.in (BISON): Remove macro.
665
666 Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
667
668 * interp.c (trap, case SYS_utime): Cast second arg of utime to
669 void * to avoid compiler error.
670
671 * interp.c (callback): Remove last change. It is initialized by
672 a sim_set_callbacks call.
673
674 Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
675
676 * interp.c (callback): Initialize to default callback.
677
678 Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
679
680 * run.c: Moved to ../common.
681 * interp.c (trap): Use gdb's callback interface.
682 * Makefile.in: Updated.
683
684 Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
685
686 * Makefile.in (maintainer-clean): New synonym for realclean.
687
688 Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
689
690 * run.c (sim_callback_write_stdout): New.
691 * interp.c (trap): Call sim_callback_write_stdout when needed.
692
693 Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
694
695 * interp.c (trap): Remove useless code.
696
697 Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
698
699 * syscall.h: Copy from newlib.
700
701 Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
702
703 * gencode.c: Back up PC by 2 for breakpoints.
704 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
705 which expect pc to immediatly follow regs[].
706
707 Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
708
709 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
710 * configure: Rebuild.
711 * Makefile.in (INSTALL): Revert to using install.sh.
712 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
713 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
714 (CC_FOR_BUILD): Restore.
715 (gencode): Build using $(CC_FOR_BUILD).
716 (install): Don't install in $(tooldir).
717
718 Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
719
720 (Try to) Update to new bfd autoconf scheme.
721 * run.c: Don't include sysdep.h.
722 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
723 (CC, CFLAGS, AR, RANLIB): Likewise.
724 (HDEFINES, TDEFINES): Define.
725 (CC_FOR_BUILD): Delete.
726 (host_makefile_frag): Delete.
727 (Makefile): Don't depend on frags.
728 * configure.in (sysdep.h): Don't create symlink.
729 (host_makefile_frag, frags): Deleted.
730 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
731 * configure: Regenerated.
732
733 Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
734
735 * interp.c: Include <math.h>.
736
737 Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
738
739 * Makefile.in (run): Link in math library too.
740 * gencode.c (gensim): abort if an unknown opcode is encountered.
741 * interp.c (FPSCR, FPUL): Define.
742 (struct save_state): Add fields for floating point registers,
743 FPSCR and FPUL.
744 (sim_resume): Add 'F' for accessing floating point registers
745 in the save state structure.
746 * gencode.c: Add sh3e opcodes.
747 (gensym): Define a buffer for int<->fp conversions.
748
749 Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
750
751 * interp.c (trap): Use trap vector 34 for host system interface.
752 * gencode.c: Add 34 to conditional which determines which traps
753 will be handled by simulator.
754
755 Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
756
757 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
758 (main): New variables reason and sigrc. After simulator exits,
759 check to see if it exited because of a signal, and if so, then
760 use the signal number as the return value.
761
762 Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
763
764 * Update all FSF addresses except those in COPYING* files.
765
766 Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
767
768 * interp.c (trap): Only use SYS_execv if defined. Might be
769 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
770 (sim_resume): In sbit initializer, cast shifted arg to unsigned
771 to avoid signed integer overflow.
772
773 Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
774
775 * Makefile.in (clean): Remove run, libsim.a.
776 (distclean, mostlyclean, realclean): Remove Makefile and
777 autoconf files.
778
779 * sh.mt: Removed.
780
781 * Makefile.in, configure.in: converted to autoconf.
782 * configure: New file, generated with autconf 2.4.
783
784 Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
785
786 * interp.c (sim_open): If argument supplied, interpret as
787 desired memory size.
788 (parse_and_set_memory_size): New function.
789 (sim_do_command): New function.
790
791 Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
792
793 * interp.c (SYS_wait): Define as SYS_wait4 if available and
794 SYS_wait is not already defined (SunOS 4.1.3 for example).
795 (SYS_utime): Define as SYS_utimes if available and
796 SYS_utime is not already defined.
797
798 Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
799
800 * interp.c: Don't include sys/times.h or sys/param.h
801
802 Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
803
804 * interp.c (SIGBUS, SIGTERM): Define if not.
805 (sim_memory_size): default to 2^19 on PCs.
806 (sim_resume): Poll for quits on win32.
807
808 Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
809
810 * gencode.c (op_tab): Add SH3 support.
811
812 Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
813
814 * gencode.c (tab): Add bsrf and braf.
815
816 Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
817
818 * configure.in: use ../../bfd/hosts/std-host.h, not
819 ../bfd/hosts/std-host.h (which doesn't exist).
820
821 Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
822
823 * run.c: parse arguments with getopt().
824
825 Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
826
827 * configure.in: Use ../../bfd/hosts/std-host.h if specific
828 host unavailable.
829
830 Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
831
832 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
833
834 Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
835
836 * gencode.c (op_tab): Make MAC.W call macw, not abort.
837 * interp.c (macw): New function.
838 (S): New #define.
839
840 Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
841
842 * gencode.c (op_tab): New code for ADDV and SUBV.
843 Make MAC.L abort sicne it is not implemented.
844
845 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
846 Get rid of __GNUC__ conditional.
847
848 aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
849
850 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
851 Change ADDC for symmetry.
852
853 * gencode.c (op_tab): Replace code for ADDC and SUBC.
854
855 Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
856
857 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
858 declare IOMEM before using it.
859
860 Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
861
862 * interp.c (BUSERROR): New macro.
863 ([r|w][bwl]at[little|big]) New functions.
864 (sim_resume): If GO32 check for interrupt every now
865 and again. Decrement PC if SIGBUS seen.
866 * run.c (main): Return result of simulated _exit.
867
868 Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
869
870 * Makefile.in (gencode): Allow build in different directory.
871
872 Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
873
874 * Makefile.in (gencode): Change $< to gencode.c for portability.
875
876 Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
877
878 * interp.c ([wr][bwl]at): New functions.
879 (trap): Cope with both byte modes.
880
881 Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
882
883 * gencode.c (tab): Simulate T bit after a negc insn right.
884 * interp.c (RSBAT): Sign extend the arg.
885 (ACE_FAST): New macro.
886 (sim_resume): Remove obsolete test of sim_timeout.
887
888 Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
889
890 * interp.c (IOMEM): New function, simulates very basic I/O area of
891 the SH.
892 (WBAT, RBAT) : Call I/O functions.
893 * gencode.c (tab): Special case trapa #3.
894
895 Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
896
897 * run.c (main): Specify the file type again.
898
899 Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
900
901 * interp.c (trap): Fix irix incompatibility.
902 * run.c (main): open without specifying file type.
903
904 Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
905
906 * interp.c (sim_*): Make result void where there isn't one.
907 (sim_set_pc): Delete.
908 (sim_info): Delete printf_fn arg, all callers changed.
909 Call printf_filtered instead.
910 (sim_close): New function.
911 (sim_load): New function.
912 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
913 * run.c: #include <varargs.h>, "remote-sim.h".
914 (printf_filtered): New function.
915
916 Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
917
918 * gencode.c (table): Get direction of some opcodes right.
919 (trapa, rte): Implement fully.
920 * interp.c (trap): Make stat call more portable.
921
922 Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
923
924 * gencode.c (main, gendefines): New -d option prints table of defines.
925 * interp.c (trap): Add a load of system calls.
926 (sim_memory_size): Now default to 8Mbyte.
927 (PARANOID): Keep vector of registers with undefined contents.
928
929 Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
930
931 * gencode.c: mova uses aligned addresses
932 * interp.c (trap): Return results in r0.
933
934 Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
935
936 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
937 * interp.c: #include "remote-sim.h".
938 (sim_resume): int result, new arg `siggnal'.
939 (sim_write): Use SIM_ADDR for type of arg `addr'.
940 (sim_read): Use SIM_ADDR for type of arg `addr'.
941 Use unsigned char * for `buffer'.
942 (sim_store_register): int result.
943 (sim_fetch_register): Ditto.
944 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
945 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
946 (sim_info): int result, new args `verbose', `printf_fn'.
947 (sim_kill): int result.
948 (sim_open): int result, new arg `name'.
949 * run.c: #include <stdio.h>
950 (main): Update call to sim_info.
951
952 Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
953
954 * interp.c (sim_stop_signal): Result is now enum sim_stop.
955
956 Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
957
958 * gencode.c (table): Becomes unsigned.
959 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
960 sim_read): Return number of bytes copied. (sim_store_register):
961 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
962
963 Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
964
965 * interp.c (sim_info): Fix small typo in printf string.
966
967 Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
968
969 * interp.c (sim_resume): Set memory after pointers inited.
970
971 Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
972
973 * interp.c (get_now): Use time system call.
974 * Makefile.in: install correctly.
975
976 Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
977
978 * run.c (main), interp.c (sim_set_timeout): Remove timeout
979 functionality.
980
981 Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
982
983 * Makefile.in: don't run indent everytime; also add a space in the
984 includes
985
986 Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
987
988 * gencode.c: Fix some opcodes.
989 * interp.c: Support for profiling and portability fixes.
990 * run.c (main): Get profiling args.
991
992 Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
993
994 * gencode.c (tab): Lint for sgi compiler
995 * interp.c: Lint for sgi compiler.
996
997 Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
998
999 * run.c (main): Support for resizing simulated RAM.
1000 * Makefile.in: Support for broken makes.
1001 * interp.c, gencode.c: Lint.
1002
1003 Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1004
1005 * created
1006
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