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* config/i386/nbsd.mt (TDEPFILES): Move solib.o from here...
[thirdparty/binutils-gdb.git] / sim / sh / ChangeLog
CommitLineData
63978407
JR		 1Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2
3sh-dsp support, simulator speedup by using host byte order:
4
5 * Makefile.in (interp.o): Depends on ppi.c .
6 (ppi.c): New rule.
7 * gencode.c (printonmatch, think, genopc): Deleted.
8 (MAX_NR_STUFF): Now 42.
9 (tab): Add SH-DSP CPU instructions.
10 Amalgamate ldc / stc / lds / sts instructions with similar
11 bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
12 Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
13 (movsxy_tab): New array.
14 For movs, change MMMM field to GGGG, and mmmm field to MMMM.
15 Added entries for movx, movy and parallel processing insns.
16 (ppi_tab): New array.
17 (qfunc): Stabilize sort.
18 (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
19 Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
20 (dumptable): Now takes three arguments. Changed all callers.
21 Emit just one contigous jump table.
22 (filltable): Now takes an argument. Changed all callers.
23 Make index static.
24 (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
25 (gensim_caselist): New function, broken out of gensim.
26 Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
27 Handle ref '9'.
28 (gensim): Handle 'N' in code field and '8' in refs field.
29 Call gensim_caselist - twice.
30 (ppi_index): New static variable.
31 (main): Unsupport default action.
32 Add dsp support for -x / -s option. Add -p option.
33 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
34 (saved_state_type): Rearrange to allow amalgamated ldc / stc /
35 lds / sts to work efficiently.
36 (target_dsp): New static variable.
37 (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
38 (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
39 (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
40 (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
41 (set_fpscr1): Likewise. Use target_dsp to check for dsp.
42 (MOD_MSi, SIG_BUS_FETCH): Deleted.
43 (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
44 (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
45 (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
46 of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
47 (set_sr): Reflect saved_state_type change. Fix SR_RB handling.
48 Use SET_MOD.
49 (MA, L, TL, TB): Now controlled by ACE_FAST.
50 (SEXT32): Just cast to int.
51 (SIGN32): Fixed to only shift by 31.
52 (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
53 (ppi_insn): Declare.
54 (ppi.c): Include.
55 (init_dsp): Set target_dsp. When it changes, switch end of
56 sh_jump_table with sh_dsp_table.
57 (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
58 Don't Declare PR if it's #defined.
59 Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
60 (sim_store_register, sim_read_register): Translate accesses to
61 reflect saved_state_type change.
62
63 * interp.c (set_sr): Set sr.
64 (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
65 (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
66 (DSP_R): Fix definition.
67 (sim_resume): Remove outdated SET_SR use.
68
69 * interp.c (saved_state): New members for struct member asregs:
70 rs, re, insn_end, xram_start, yram_start.
71 (struct loop_bounds): New struct.
72 (SKIP_INSN): New macro.
73 (get_loop_bounds): New function.
74 (endianw): Renamed to global_endianw.
75 (maskw): negated bits.
76 (PC): Now insn_ptr.
77 (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
78 (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
79 (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
80 (SIG_BUS_FETCH): Likewise
81 (raise_exception, riat_fast): New functions.
82 (raise_buserror, sim_stop): Use raise_exception.
83 (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
84 (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
85 Reverse sense of mask argument.
86 (FP_OP, set_dr): Use RAISE_EXCEPTION.
87 (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
88 Declare. Remove redundant masking.
89 (wwat_fast, rwat_fast): Add argument endianw. Changed callers.
90 (MA): Updated for change pc -> PC.
91 (Delay_Slot): Use RIAT.
92 (empty): Deleted.
93 (trap): Remove argument little_endian. Add argument endianw.
94 Changed all callers. Use raise_exception.
95 (macw): Add argument endainw. Changed all callers.
96 (init_dsp): New function, extended after broken out of init_pointers.
97 (sim_resume): Replace pc with insn_ptr. Replace little_endian with
98 endianw. Replace nia with nip. Reverse sense of maskb / maskw /
99 maskl. Implement logic for zero-overhead loops. Don't try to
100 interpret garbage when getting a SIGBUS at insn fetch.
101 (sim_open): Call init_dsp.
102 * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
103 RAISE_EXCEPTION where appropriate.
104 Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
105
106 * interp.c (sim_store_register, sim_fetch_register):
107 Do proper endianness switch.
108
109 * interp.c (saved_state_type): New members for struct member asregs:
110 xymem_select, xmem, ymem, xmem_offset, ymem_offset.
111 (special_address): Delete.
112 (BUSERROR): Now a two-argument predicate.
113 (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
114 (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
115 (process_wlat_addr, process_wwat_addr): New functions.
116 (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
117 (process_rbat_addr): Likewise.
118 (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
119 (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
120 (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
121 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
122 (do_rdat, trap): Delete SLOW code.
123 (SEXT32, SIGN32): New macros.
124 (swap, swap16): Now integer in - integer out. Changed all callers.
125 (strswaplen, strnswap): Delete SLOW versions.
126 (init_pointers): Initialize dsp memory selection (preliminary).
127 (sim_store_register, sim_fetch_register): Use swap instead of
128 big / little endian read / write functions.
129
130 * interp.c (maskl): Deleted.
131 (endianw, endianb): New variables.
132 (special_address): Now inline.
133 (bp_holder): Put raising of buserror there, rename to:
134 (raise_buserror).
135 (BUSERROR): Now yields a value. Changed all users.
136 (wbat_big): Delete.
137 (wlat_fast, wwat_fast, wbat_fast): New functions.
138 (rlat_fast, rwat_fast, rbat_fast): Likewise.
139 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
140 (do_rdat, do_wdat): Likewise. Take maskl argument instead of
141 little_endian one. Changed caller macros.
142 (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
143 (strswaplen, strnswap): New functions.
144 (trap): Use them to fix up endian mismatches;
145 disable SYS_execve and SYS_execv; fix double address translation for
146 SYS_pipe and SYS_stat.
147 (sym_write, sym_read): Add endianness translation.
148 (sym_store_register, sym_fetch_register): Add maskl local variable.
149 (sim_open): Set endianw and endianb.
150
d4f3574e
SS		 151Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
152
153 * configure: Regenerated to track ../common/aclocal.m4 changes.
154
104c1213
JM		 155Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com>
156
157 * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
158 union type, instead of casting to an int* then a float*.
159 (fcnvsd FPUL,<DR_N>): Likewise.
160 (flds <FREG_N>,FPUL): Likewise.
161 (fsts FPUL,<FREG_N>): Likewise.
162
cd0fc7c3
SS		 1631999-05-08 Felix Lee <flee@cygnus.com>
164
165 * configure: Regenerated to track ../common/aclocal.m4 changes.
166
7a292a7a
SS		 1671999-04-02 Keith Seitz <keiths@cygnus.com>
168
169 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
170 frequency at which the poll_quit callback is called.
171 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
172 hard-coded value.
173
c906108c
SS		 174Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
175
176 * interp.c (saved_state.asregs): Add new member pad_dummy.
177 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
178 as index into saved_state.asints.
179
180Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com)
181
182 * interp.c (sim_open): set endianness based on the ABFD if a -E
183 option is not present and we have an ABFD.
184
185Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
186
187 * configure: Regenerated to track ../common/aclocal.m4 changes.
188
189Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
190
191 * configure: Regenerated to track ../common/aclocal.m4 changes.
192 * config.in: Ditto.
193
194Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com>
195
196 * acconfig.h: New file.
197 * configure.in: Reverted change of Apr 24; use sinclude again.
198
199Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
200
201 * configure: Regenerated to track ../common/aclocal.m4 changes.
202 * config.in: Ditto.
203
204Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com>
205
206 * configure.in: Don't call sinclude.
207
208Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
209
210 * configure: Regenerated to track ../common/aclocal.m4 changes.
211
212Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
213
214 * configure: Regenerated to track ../common/aclocal.m4 changes.
215
216Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
217
218 * configure: Regenerated to track ../common/aclocal.m4 changes.
219
220Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
221
222 * configure: Regenerated to track ../common/aclocal.m4 changes.
223
224Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com>
225
226 * interp.c (sim_fetch_register, sim_store_register): Pass in
227 length parameter. Return -1.
228
229Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
230
231 * configure: Regenerated to track ../common/aclocal.m4 changes.
232
233Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
234
235 * configure: Regenerated to track ../common/aclocal.m4 changes.
236
237Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
238
239 * configure: Regenerated to track ../common/aclocal.m4 changes.
240
241Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
242
243 * configure: Regenerated to track ../common/aclocal.m4 changes.
244 * config.in: Ditto.
245
246Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
247
248 * configure: Regenerated to track ../common/aclocal.m4 changes.
249
250Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
251
252 * interp.c (sim_load): Pass lma_p and sim_write args to
253 sim_load_file.
254
255Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
256
257 * configure: Regenerated to track ../common/aclocal.m4 changes.
258
259Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
260
261 * configure: Regenerated to track ../common/aclocal.m4 changes.
262
263Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
264
265 * configure: Regenerated to track ../common/aclocal.m4 changes.
266
267Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
268
269 * configure: Regenerated to track ../common/aclocal.m4 changes.
270
271Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
272
273 * configure: Regenerated to track ../common/aclocal.m4 changes.
274
275Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
276
277 * configure: Regenerated to track ../common/aclocal.m4 changes.
278
279Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com>
280
281 * interp.c (sim_resume): poll_quit() at least once per call;
282 otherwise gdb can loop sim_resume() uninterruptably.
283
284Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
285
286 * configure: Regenerated to track ../common/aclocal.m4 changes.
287
288Tue Sep 2 13:15:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
289
290 * gencode.c (tab): Order instructions according to SH3 document.
291
292Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
293
294 * configure: Regenerated to track ../common/aclocal.m4 changes.
295 * config.in: Ditto.
296
297Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
298
299 * interp.c (sim_kill): Delete.
300 (sim_create_inferior): Add ABFD argument.
301 (sim_load): Move setting of PC from here.
302 (sim_create_inferior): To here.
303
304Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
305
306 * configure: Regenerated to track ../common/aclocal.m4 changes.
307 * config.in: Ditto.
308
309Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
310
311 * interp.c (sim_open): Add ABFD argument.
312
313Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
314
315 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
316 FP's around.
317 (set_dr): Ditto.
318
7a292a7a
SS		 319Mon Jun 23 15:02:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
320
321 * interp.c (XD, SET_XD): Delete.
322 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
323 FP bank.
324
325 * gencode.c (fmov): Update.
326
c906108c
SS		 327Sun Jun 22 19:33:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
328
329 * interp.c (set_fpscr1): From J"orn Rennecke
330 <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
331
7a292a7a
SS		 332Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
333
334 * interp.c (special_address): New function.
335 (BUSERROR): Call it. Added parameters bits_written and data.
336 Changed all callers.
337 * gencode.c (tab): Fixed ocbwb and pref.
338
339Fri Jun 20 22:03:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
340
341 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
342
c906108c
SS		 343Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
344
345 * interp.c (sim_create_inferior): Clear registers each time an
346 inferior is started.
347
7a292a7a
SS		 348Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
349
350 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
351 when a host doesn't support IEEE FP.
352 (*DP): Provide alternative definition that supports 64bit floating
353 point.
354 (target_little_endian): Combine little_endian and little_endian_p.
355 (saved_state_type): Make fpscr and sr simple integers.
356 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
357 (set_fpscr1): New function. Handle swapping when PR / FR bits
358 changed. Call via *_FPSCR macro.
359 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
360 endian problems.
361
362 * gencode.c (tab): Update.
363
c906108c
SS		 364Sun Jun 15 15:22:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
365
366 * gencode.c (main): Perform basic checks on tab entries.
367
368 * Makefile.in (gencode): Always compile with -g.
369
370Sat Jun 14 13:45:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
371
372 * gencode.c (gensim): Move ref checking code to before `stuff'.
373 For branches with delay slots refs were not being checked.
374
375 * interp.c (sim_resume): Use nia to specify the next instruction
376 address instead of overloading pc.
377 (C): Delete definiton - refer to cycles directly.
378 (SEXT12): New macro - sign extend a 12 bit quantity.
379 (Delay_Slot): Rename from SL.
380
381 * gencode.c (tab): Update/simplify.
382
383 * gencode.c (gensim): Better formatting of output code.
384 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
385 (tab): Sort alphabetically. Break `stuff' into multiple lines.
386
387Fri Jun 13 22:10:13 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
388
389 * gencode.c (braf, bsrf): Fix branch destination calculation to
390 be in accordance with the documentation.
391
392Fri Jun 13 15:33:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
393
394 * interp.c (init_pointers): Fix little endian test.
395
7a292a7a
SS		 396Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
397
398 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
399 * gencode (fmov from/to memory): take endian_mismatch into account
400 for 32 bit moves too.
401
c906108c
SS		 402Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
403
404 * gencode.c (swap.b): Fix treatment of high word.
405
7a292a7a
SS		 406Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
407
408 * sh/gencode.c,
409 * interp.c: experimental SH4 support.
410 DFmode moves are probaly broken for target little endian.
411
c906108c
SS		 412Tue May 20 10:23:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
413
414 * interp.c (sim_open): Add callback argument.
415 (sim_set_callbacks): Delete SIM_DESC argument.
416
417Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com>
418
419 * Makefile.in (SIM_EXTRA_CLEAN): Define.
420 (clean targets): Delete.
421 (sh-clean): New target.
422
423Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
424
425 * configure: Regenerated to track ../common/aclocal.m4 changes.
426
427Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com>
428
429 * tconfig.in: New file.
430 * interp.c (sim_open): Handle missing arg to -E.
431
432Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com)
433
434 * Makefile.in: Add clean targets.
435
436Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
437
438 * interp.c: Include float.h and define SIGTRAP if _WIN32.
439 WIN32 -> _WIN32.
440 * (trap): Do do SYS_chown for _WIN32.
441
442Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
443
444 * interp.c (sim_resume): Fix argument to poll_quit.
445
446Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
447
448 * interp.c (sim_stop): New function.
449 (sim_resume): Use poll_quit for polling.
450
451Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
452
453 * Makefile.in (SIM_OBJS): Add sim-load.o.
454 * interp.c (target_byte_order): Delete.
455 (sim_kind, myname, little_endian_p): New static locals.
456 (init_pointers): Use little_endian_p instead of target_byte_order.
457 (sim_resume): Likewise.
458 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
459 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
460 load file into simulator. Set start address from bfd.
461 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
462
463Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
464
465 * configure: Regenerated to track ../common/aclocal.m4 changes.
466 * config.in: Ditto.
467
468Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
469
470 * interp.c (sim_open): New arg `kind'.
471
472 * configure: Regenerated to track ../common/aclocal.m4 changes.
473
474Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
475
476 * configure: Regenerated to track ../common/aclocal.m4 changes.
477
478Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
479
480 * interp.c (sim_do_command): Check for NULL command or empty
481 string and handle it the same as a "help" command. Use callback
482 to print error message for unrecognized commands. Replace
483 hardcoded tab in literal string with a \t. Other minor code
484 cleanup.
485
486Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
487
488 * configure: Regenerated to track ../common/aclocal.m4 changes.
489
490Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
491
492 * configure: Re-generate.
493
494Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
495
496 * configure: Regenerate to track ../common/aclocal.m4 changes.
497
498Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
499
500 * interp.c (sim_open): New SIM_DESC result. Argument is now
501 in argv form.
502 (other sim_*): New SIM_DESC argument.
503
504Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
505
506 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
507 COMMON_{PRE,POST}_CONFIG_FRAG instead.
508 * configure.in: sinclude ../common/aclocal.m4.
509 * configure: Regenerated.
510
511Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
512
513 * configure configure.in Makefile.in: Update to new configure
514 scheme which is more compatible with WinGDB builds.
515 * configure.in: Improve comment on how to run autoconf.
516 * configure: Re-run autoconf to get new ../common/aclocal.m4.
517 * Makefile.in: Use autoconf substitution to install common
518 makefile fragment.
519
520Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
521
522 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
523 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
524 * configure.in: Simplify using macros in ../common/aclocal.m4.
525 Call AC_CHECK_HEADERS(unistd.h).
526 * configure: Regenerated.
527 * config.in: New file.
528 * interp.c: #include "config.h". #include <unistd.h> if present.
529 (trap): Fetch errno value with callback->get_errno.
530
531Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
532
533 * interp.c: Don't include windows polling code if inside simluator.
534
535Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
536
537 * interp.c: Minor formatting improvements.
538 (saved_state_type): Add bank registers.
539 (bp_holder): New function, use to break on when debugging BUSERROR.
540 (BUSERROR): Call it if bus error occurs.
541
542Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
543
544 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
545 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
546 (docdir): Removed.
547 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
548 (AC_PROG_INSTALL): Added.
549 * configure: Rebuilt.
550
551Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
552
553 * interp.c (saved_state_type): Add memstalls field.
554 (MA) Define macro.
555 (sim_resume): New local variable memstalls. Add it back in to
556 saved_state at the end of the function.
557 (sim_info): Report memstalls.
558 * gencode.c (tab): Add MA() to the execution string of all
559 instructions which access memory.
560
561Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
562
563 * configure: Regenerate with autoconf 2.7.
564
565Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
566
567 * gencode.c (mac.l): Don't abort GDB if executing mac.l
568 instruction (which is unimplemented). Generate a SIGTRAP (in the
569 simulated target) instead.
570
571Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
572
573 * gencode.c (tab): Added several sh3 opcodes.
574 (think): Added printonmatch for A_SSR and A_SPC.
575 * interp.c (SSR, SPC): Added definitions.
576 (saved_state_type): Added ssr and spc registers.
577
578Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
579
580 * gencode.c (tab): In shad/shld definitions, negate R[m] before
581 the and operation instead of after. For shad delete cast. For shld
582 use UR instead of R and delete cast.
583
584Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
585
586 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
587
588Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
589
590 * interp.c: Make target_byte_order be extern to prevent SGI cc from
591 issuing warnings about the use of common symbols.
592
593Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
594
595 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
596 actually uses pr+0.
597
598Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
599
600 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
601 program exited.
602 (sim_get_quit_code): Delete.
603
604 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
605 default case.
606
607Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
608
609 * interp.c (saved_state_type): Move FP registers to immediately
610 after SR.
611
612Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
613
614 * Makefile.in (BISON): Remove macro.
615
616Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
617
618 * interp.c (trap, case SYS_utime): Cast second arg of utime to
619 void * to avoid compiler error.
620
621 * interp.c (callback): Remove last change. It is initialized by
622 a sim_set_callbacks call.
623
624Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
625
626 * interp.c (callback): Initialize to default callback.
627
628Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
629
630 * run.c: Moved to ../common.
631 * interp.c (trap): Use gdb's callback interface.
632 * Makefile.in: Updated.
633
634Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
635
636 * Makefile.in (maintainer-clean): New synonym for realclean.
637
638Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
639
640 * run.c (sim_callback_write_stdout): New.
641 * interp.c (trap): Call sim_callback_write_stdout when needed.
642
643Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
644
645 * interp.c (trap): Remove useless code.
646
647Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
648
649 * syscall.h: Copy from newlib.
650
651Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
652
653 * gencode.c: Back up PC by 2 for breakpoints.
654 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
655 which expect pc to immediatly follow regs[].
656
657Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
658
659 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
660 * configure: Rebuild.
661 * Makefile.in (INSTALL): Revert to using install.sh.
662 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
663 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
664 (CC_FOR_BUILD): Restore.
665 (gencode): Build using $(CC_FOR_BUILD).
666 (install): Don't install in $(tooldir).
667
668Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
669
670 (Try to) Update to new bfd autoconf scheme.
671 * run.c: Don't include sysdep.h.
672 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
673 (CC, CFLAGS, AR, RANLIB): Likewise.
674 (HDEFINES, TDEFINES): Define.
675 (CC_FOR_BUILD): Delete.
676 (host_makefile_frag): Delete.
677 (Makefile): Don't depend on frags.
678 * configure.in (sysdep.h): Don't create symlink.
679 (host_makefile_frag, frags): Deleted.
680 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
681 * configure: Regenerated.
682
683Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
684
685 * interp.c: Include <math.h>.
686
687Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
688
689 * Makefile.in (run): Link in math library too.
690 * gencode.c (gensim): abort if an unknown opcode is encountered.
691 * interp.c (FPSCR, FPUL): Define.
692 (struct save_state): Add fields for floating point registers,
693 FPSCR and FPUL.
694 (sim_resume): Add 'F' for accessing floating point registers
695 in the save state structure.
696 * gencode.c: Add sh3e opcodes.
697 (gensym): Define a buffer for int<->fp conversions.
698
699Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
700
701 * interp.c (trap): Use trap vector 34 for host system interface.
702 * gencode.c: Add 34 to conditional which determines which traps
703 will be handled by simulator.
704
705Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
706
707 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
708 (main): New variables reason and sigrc. After simulator exits,
709 check to see if it exited because of a signal, and if so, then
710 use the signal number as the return value.
711
712Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
713
714 * Update all FSF addresses except those in COPYING* files.
715
716Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
717
718 * interp.c (trap): Only use SYS_execv if defined. Might be
719 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
720 (sim_resume): In sbit initializer, cast shifted arg to unsigned
721 to avoid signed integer overflow.
722
723Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
724
725 * Makefile.in (clean): Remove run, libsim.a.
726 (distclean, mostlyclean, realclean): Remove Makefile and
727 autoconf files.
728
729 * sh.mt: Removed.
730
731 * Makefile.in, configure.in: converted to autoconf.
732 * configure: New file, generated with autconf 2.4.
733
734Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
735
736 * interp.c (sim_open): If argument supplied, interpret as
737 desired memory size.
738 (parse_and_set_memory_size): New function.
739 (sim_do_command): New function.
740
741Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
742
743 * interp.c (SYS_wait): Define as SYS_wait4 if available and
744 SYS_wait is not already defined (SunOS 4.1.3 for example).
745 (SYS_utime): Define as SYS_utimes if available and
746 SYS_utime is not already defined.
747
748Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
749
750 * interp.c: Don't include sys/times.h or sys/param.h
751
752Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
753
754 * interp.c (SIGBUS, SIGTERM): Define if not.
755 (sim_memory_size): default to 2^19 on PCs.
756 (sim_resume): Poll for quits on win32.
757
758Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
759
760 * gencode.c (op_tab): Add SH3 support.
761
762Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
763
764 * gencode.c (tab): Add bsrf and braf.
765
766Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
767
768 * configure.in: use ../../bfd/hosts/std-host.h, not
769 ../bfd/hosts/std-host.h (which doesn't exist).
770
771Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
772
773 * run.c: parse arguments with getopt().
774
775Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
776
777 * configure.in: Use ../../bfd/hosts/std-host.h if specific
778 host unavailable.
779
780Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
781
782 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
783
784Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
785
786 * gencode.c (op_tab): Make MAC.W call macw, not abort.
787 * interp.c (macw): New function.
788 (S): New #define.
789
790Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
791
792 * gencode.c (op_tab): New code for ADDV and SUBV.
793 Make MAC.L abort sicne it is not implemented.
794
795 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
796 Get rid of __GNUC__ conditional.
797
798aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
799
800 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
801 Change ADDC for symmetry.
802
803 * gencode.c (op_tab): Replace code for ADDC and SUBC.
804
805Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
806
807 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
808 declare IOMEM before using it.
809
810Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
811
812 * interp.c (BUSERROR): New macro.
813 ([r|w][bwl]at[little|big]) New functions.
814 (sim_resume): If GO32 check for interrupt every now
815 and again. Decrement PC if SIGBUS seen.
816 * run.c (main): Return result of simulated _exit.
817
818Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
819
820 * Makefile.in (gencode): Allow build in different directory.
821
822Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
823
824 * Makefile.in (gencode): Change $< to gencode.c for portability.
825
826Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
827
828 * interp.c ([wr][bwl]at): New functions.
829 (trap): Cope with both byte modes.
830
831Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
832
833 * gencode.c (tab): Simulate T bit after a negc insn right.
834 * interp.c (RSBAT): Sign extend the arg.
835 (ACE_FAST): New macro.
836 (sim_resume): Remove obsolete test of sim_timeout.
837
838Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
839
840 * interp.c (IOMEM): New function, simulates very basic I/O area of
841 the SH.
842 (WBAT, RBAT) : Call I/O functions.
843 * gencode.c (tab): Special case trapa #3.
844
845Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
846
847 * run.c (main): Specify the file type again.
848
849Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
850
851 * interp.c (trap): Fix irix incompatibility.
852 * run.c (main): open without specifying file type.
853
854Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
855
856 * interp.c (sim_*): Make result void where there isn't one.
857 (sim_set_pc): Delete.
858 (sim_info): Delete printf_fn arg, all callers changed.
859 Call printf_filtered instead.
860 (sim_close): New function.
861 (sim_load): New function.
862 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
863 * run.c: #include <varargs.h>, "remote-sim.h".
864 (printf_filtered): New function.
865
866Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
867
868 * gencode.c (table): Get direction of some opcodes right.
869 (trapa, rte): Implement fully.
870 * interp.c (trap): Make stat call more portable.
871
872Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
873
874 * gencode.c (main, gendefines): New -d option prints table of defines.
875 * interp.c (trap): Add a load of system calls.
876 (sim_memory_size): Now default to 8Mbyte.
877 (PARANOID): Keep vector of registers with undefined contents.
878
879Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
880
881 * gencode.c: mova uses aligned addresses
882 * interp.c (trap): Return results in r0.
883
884Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
885
886 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
887 * interp.c: #include "remote-sim.h".
888 (sim_resume): int result, new arg `siggnal'.
889 (sim_write): Use SIM_ADDR for type of arg `addr'.
890 (sim_read): Use SIM_ADDR for type of arg `addr'.
891 Use unsigned char * for `buffer'.
892 (sim_store_register): int result.
893 (sim_fetch_register): Ditto.
894 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
895 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
896 (sim_info): int result, new args `verbose', `printf_fn'.
897 (sim_kill): int result.
898 (sim_open): int result, new arg `name'.
899 * run.c: #include <stdio.h>
900 (main): Update call to sim_info.
901
902Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
903
904 * interp.c (sim_stop_signal): Result is now enum sim_stop.
905
906Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
907
908 * gencode.c (table): Becomes unsigned.
909 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
910 sim_read): Return number of bytes copied. (sim_store_register):
911 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
912
913Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
914
915 * interp.c (sim_info): Fix small typo in printf string.
916
917Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
918
919 * interp.c (sim_resume): Set memory after pointers inited.
920
921Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
922
923 * interp.c (get_now): Use time system call.
924 * Makefile.in: install correctly.
925
926Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
927
928 * run.c (main), interp.c (sim_set_timeout): Remove timeout
929 functionality.
930
931Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
932
933 * Makefile.in: don't run indent everytime; also add a space in the
934 includes
935
936Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
937
938 * gencode.c: Fix some opcodes.
939 * interp.c: Support for profiling and portability fixes.
940 * run.c (main): Get profiling args.
941
942Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
943
944 * gencode.c (tab): Lint for sgi compiler
945 * interp.c: Lint for sgi compiler.
946
947Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
948
949 * run.c (main): Support for resizing simulated RAM.
950 * Makefile.in: Support for broken makes.
951 * interp.c, gencode.c: Lint.
952
953Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)
954
955 * created
956
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