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[thirdparty/binutils-gdb.git] / sim / sh / ChangeLog
CommitLineData
8dc30ef7
MS		 12003-06-27 Michael Snyder <msnyder@redhat.com>
2
3 * gencode.c (op tab): Move misplaced semicolon.
4
6b4a8935
AC		 52003-02-27 Andrew Cagney <cagney@redhat.com>
6
7 * interp.c (init_dsp, sim_open, sim_create_inferior): Rename _bfd
8 to bfd.
9
fd8f4948
JR		 10Fri Oct 11 16:22:28 2002 J"orn Rennecke <joern.rennecke@superh.com>
11
12 * interp.c (trap): Return int. Take extra parameter for address
13 of the trap instruction. Changed all callers.
14 Add case 33 for profiling.
15 * gencode.c (trapa): Handle trap 33 using the trap function.
16 Add read of vector for generic traps.
17
2f14585c
JR		 18Wed Jul 17 19:36:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
19
20 * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
21 * interp.c: Include "gdb/sim-sh.h".
22 (sim_store_register, sim_fetch_register): Use constants defined there.
23
dc9feb5c
JR		 24Tue Jun 18 16:53:11 2002 J"orn Rennecke <joern.rennecke@superh.com>
25
26 * interp.c (sim_resume): Fix setting of bus error for
27 instruction fetch.
28
c8cca39f
AC		 292002-06-16 Andrew Cagney <ac131313@redhat.com>
30
31 * configure: Regenerated to track ../common/aclocal.m4 changes.
32
3c25f8c7
AC		 332002-06-08 Andrew Cagney <cagney@redhat.com>
34
35 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
36
de0492b6
AO		 372001-01-30 Ben Elliston <bje@redhat.com>
38
39 * interp.c (sim_create_inferior): Record program arguments for
40 later inspection by the trap handler.
41 (count_argc): New function.
42 (prog_argv): Declare static.
43 (sim_write): Declare.
44 (trap): Implement argc, argnlen and argn system calls. Do not
45 abort on unknown system calls--simply return -1.
46 * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
47
55406459
AO		 482001-01-24 Alexandre Oliva <aoliva@redhat.com>
49
50 * interp.c (trap): Implement time.
51
8f1e3ff5
BE		 522000-10-24 Ben Elliston <bje@redhat.com>
53
54 * gencode.c (tab): Delimit strings with commas where applicable.
55
eb2d80b4
AC		 56Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
57
58 * configure: Regenerated to track ../common/aclocal.m4 changes.
59
63978407
JR		 60Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
61
62sh-dsp support, simulator speedup by using host byte order:
63
64 * Makefile.in (interp.o): Depends on ppi.c .
65 (ppi.c): New rule.
66 * gencode.c (printonmatch, think, genopc): Deleted.
67 (MAX_NR_STUFF): Now 42.
68 (tab): Add SH-DSP CPU instructions.
69 Amalgamate ldc / stc / lds / sts instructions with similar
70 bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
71 Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
72 (movsxy_tab): New array.
73 For movs, change MMMM field to GGGG, and mmmm field to MMMM.
74 Added entries for movx, movy and parallel processing insns.
75 (ppi_tab): New array.
76 (qfunc): Stabilize sort.
77 (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
78 Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
79 (dumptable): Now takes three arguments. Changed all callers.
80 Emit just one contigous jump table.
81 (filltable): Now takes an argument. Changed all callers.
82 Make index static.
83 (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
84 (gensim_caselist): New function, broken out of gensim.
85 Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
86 Handle ref '9'.
87 (gensim): Handle 'N' in code field and '8' in refs field.
88 Call gensim_caselist - twice.
89 (ppi_index): New static variable.
90 (main): Unsupport default action.
91 Add dsp support for -x / -s option. Add -p option.
92 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
93 (saved_state_type): Rearrange to allow amalgamated ldc / stc /
94 lds / sts to work efficiently.
95 (target_dsp): New static variable.
96 (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
97 (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
98 (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
99 (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
100 (set_fpscr1): Likewise. Use target_dsp to check for dsp.
101 (MOD_MSi, SIG_BUS_FETCH): Deleted.
102 (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
103 (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
104 (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
105 of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
106 (set_sr): Reflect saved_state_type change. Fix SR_RB handling.
107 Use SET_MOD.
108 (MA, L, TL, TB): Now controlled by ACE_FAST.
109 (SEXT32): Just cast to int.
110 (SIGN32): Fixed to only shift by 31.
111 (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
112 (ppi_insn): Declare.
113 (ppi.c): Include.
114 (init_dsp): Set target_dsp. When it changes, switch end of
115 sh_jump_table with sh_dsp_table.
116 (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
117 Don't Declare PR if it's #defined.
118 Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
119 (sim_store_register, sim_read_register): Translate accesses to
120 reflect saved_state_type change.
121
122 * interp.c (set_sr): Set sr.
123 (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
124 (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
125 (DSP_R): Fix definition.
126 (sim_resume): Remove outdated SET_SR use.
127
128 * interp.c (saved_state): New members for struct member asregs:
129 rs, re, insn_end, xram_start, yram_start.
130 (struct loop_bounds): New struct.
131 (SKIP_INSN): New macro.
132 (get_loop_bounds): New function.
133 (endianw): Renamed to global_endianw.
134 (maskw): negated bits.
135 (PC): Now insn_ptr.
136 (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
137 (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
138 (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
139 (SIG_BUS_FETCH): Likewise
140 (raise_exception, riat_fast): New functions.
141 (raise_buserror, sim_stop): Use raise_exception.
142 (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
143 (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
144 Reverse sense of mask argument.
145 (FP_OP, set_dr): Use RAISE_EXCEPTION.
146 (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
147 Declare. Remove redundant masking.
148 (wwat_fast, rwat_fast): Add argument endianw. Changed callers.
149 (MA): Updated for change pc -> PC.
150 (Delay_Slot): Use RIAT.
151 (empty): Deleted.
152 (trap): Remove argument little_endian. Add argument endianw.
153 Changed all callers. Use raise_exception.
154 (macw): Add argument endainw. Changed all callers.
155 (init_dsp): New function, extended after broken out of init_pointers.
156 (sim_resume): Replace pc with insn_ptr. Replace little_endian with
157 endianw. Replace nia with nip. Reverse sense of maskb / maskw /
158 maskl. Implement logic for zero-overhead loops. Don't try to
159 interpret garbage when getting a SIGBUS at insn fetch.
160 (sim_open): Call init_dsp.
161 * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
162 RAISE_EXCEPTION where appropriate.
163 Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
164
165 * interp.c (sim_store_register, sim_fetch_register):
166 Do proper endianness switch.
167
168 * interp.c (saved_state_type): New members for struct member asregs:
169 xymem_select, xmem, ymem, xmem_offset, ymem_offset.
170 (special_address): Delete.
171 (BUSERROR): Now a two-argument predicate.
172 (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
173 (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
174 (process_wlat_addr, process_wwat_addr): New functions.
175 (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
176 (process_rbat_addr): Likewise.
177 (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
178 (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
179 (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
180 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
181 (do_rdat, trap): Delete SLOW code.
182 (SEXT32, SIGN32): New macros.
183 (swap, swap16): Now integer in - integer out. Changed all callers.
184 (strswaplen, strnswap): Delete SLOW versions.
185 (init_pointers): Initialize dsp memory selection (preliminary).
186 (sim_store_register, sim_fetch_register): Use swap instead of
187 big / little endian read / write functions.
188
189 * interp.c (maskl): Deleted.
190 (endianw, endianb): New variables.
191 (special_address): Now inline.
192 (bp_holder): Put raising of buserror there, rename to:
193 (raise_buserror).
194 (BUSERROR): Now yields a value. Changed all users.
195 (wbat_big): Delete.
196 (wlat_fast, wwat_fast, wbat_fast): New functions.
197 (rlat_fast, rwat_fast, rbat_fast): Likewise.
198 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
199 (do_rdat, do_wdat): Likewise. Take maskl argument instead of
200 little_endian one. Changed caller macros.
201 (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
202 (strswaplen, strnswap): New functions.
203 (trap): Use them to fix up endian mismatches;
204 disable SYS_execve and SYS_execv; fix double address translation for
205 SYS_pipe and SYS_stat.
206 (sym_write, sym_read): Add endianness translation.
207 (sym_store_register, sym_fetch_register): Add maskl local variable.
208 (sim_open): Set endianw and endianb.
209
d4f3574e
SS		 210Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
211
212 * configure: Regenerated to track ../common/aclocal.m4 changes.
213
104c1213
JM		 214Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com>
215
216 * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
217 union type, instead of casting to an int* then a float*.
218 (fcnvsd FPUL,<DR_N>): Likewise.
219 (flds <FREG_N>,FPUL): Likewise.
220 (fsts FPUL,<FREG_N>): Likewise.
221
cd0fc7c3
SS		 2221999-05-08 Felix Lee <flee@cygnus.com>
223
224 * configure: Regenerated to track ../common/aclocal.m4 changes.
225
7a292a7a
SS		 2261999-04-02 Keith Seitz <keiths@cygnus.com>
227
228 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
229 frequency at which the poll_quit callback is called.
230 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
231 hard-coded value.
232
c906108c
SS		 233Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
234
235 * interp.c (saved_state.asregs): Add new member pad_dummy.
236 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
237 as index into saved_state.asints.
238
239Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com)
240
241 * interp.c (sim_open): set endianness based on the ABFD if a -E
242 option is not present and we have an ABFD.
243
244Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
245
246 * configure: Regenerated to track ../common/aclocal.m4 changes.
247
248Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
249
250 * configure: Regenerated to track ../common/aclocal.m4 changes.
251 * config.in: Ditto.
252
253Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com>
254
255 * acconfig.h: New file.
256 * configure.in: Reverted change of Apr 24; use sinclude again.
257
258Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
259
260 * configure: Regenerated to track ../common/aclocal.m4 changes.
261 * config.in: Ditto.
262
263Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com>
264
265 * configure.in: Don't call sinclude.
266
267Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
268
269 * configure: Regenerated to track ../common/aclocal.m4 changes.
270
271Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
272
273 * configure: Regenerated to track ../common/aclocal.m4 changes.
274
275Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
276
277 * configure: Regenerated to track ../common/aclocal.m4 changes.
278
279Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
280
281 * configure: Regenerated to track ../common/aclocal.m4 changes.
282
283Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com>
284
285 * interp.c (sim_fetch_register, sim_store_register): Pass in
286 length parameter. Return -1.
287
288Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
289
290 * configure: Regenerated to track ../common/aclocal.m4 changes.
291
292Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
293
294 * configure: Regenerated to track ../common/aclocal.m4 changes.
295
296Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
297
298 * configure: Regenerated to track ../common/aclocal.m4 changes.
299
300Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
301
302 * configure: Regenerated to track ../common/aclocal.m4 changes.
303 * config.in: Ditto.
304
305Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
306
307 * configure: Regenerated to track ../common/aclocal.m4 changes.
308
309Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
310
311 * interp.c (sim_load): Pass lma_p and sim_write args to
312 sim_load_file.
313
314Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
315
316 * configure: Regenerated to track ../common/aclocal.m4 changes.
317
318Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
319
320 * configure: Regenerated to track ../common/aclocal.m4 changes.
321
322Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
323
324 * configure: Regenerated to track ../common/aclocal.m4 changes.
325
326Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
327
328 * configure: Regenerated to track ../common/aclocal.m4 changes.
329
330Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
331
332 * configure: Regenerated to track ../common/aclocal.m4 changes.
333
334Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
335
336 * configure: Regenerated to track ../common/aclocal.m4 changes.
337
338Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com>
339
340 * interp.c (sim_resume): poll_quit() at least once per call;
341 otherwise gdb can loop sim_resume() uninterruptably.
342
343Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
344
345 * configure: Regenerated to track ../common/aclocal.m4 changes.
346
347Tue Sep 2 13:15:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
348
349 * gencode.c (tab): Order instructions according to SH3 document.
350
351Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
352
353 * configure: Regenerated to track ../common/aclocal.m4 changes.
354 * config.in: Ditto.
355
356Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
357
358 * interp.c (sim_kill): Delete.
359 (sim_create_inferior): Add ABFD argument.
360 (sim_load): Move setting of PC from here.
361 (sim_create_inferior): To here.
362
363Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
364
365 * configure: Regenerated to track ../common/aclocal.m4 changes.
366 * config.in: Ditto.
367
368Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
369
370 * interp.c (sim_open): Add ABFD argument.
371
372Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
373
374 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
375 FP's around.
376 (set_dr): Ditto.
377
7a292a7a
SS		 378Mon Jun 23 15:02:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
379
380 * interp.c (XD, SET_XD): Delete.
381 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
382 FP bank.
383
384 * gencode.c (fmov): Update.
385
c906108c
SS		 386Sun Jun 22 19:33:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
387
388 * interp.c (set_fpscr1): From J"orn Rennecke
389 <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
390
7a292a7a
SS		 391Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
392
393 * interp.c (special_address): New function.
394 (BUSERROR): Call it. Added parameters bits_written and data.
395 Changed all callers.
396 * gencode.c (tab): Fixed ocbwb and pref.
397
398Fri Jun 20 22:03:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
399
400 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
401
c906108c
SS		 402Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
403
404 * interp.c (sim_create_inferior): Clear registers each time an
405 inferior is started.
406
7a292a7a
SS		 407Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
408
409 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
410 when a host doesn't support IEEE FP.
411 (*DP): Provide alternative definition that supports 64bit floating
412 point.
413 (target_little_endian): Combine little_endian and little_endian_p.
414 (saved_state_type): Make fpscr and sr simple integers.
415 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
416 (set_fpscr1): New function. Handle swapping when PR / FR bits
417 changed. Call via *_FPSCR macro.
418 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
419 endian problems.
420
421 * gencode.c (tab): Update.
422
c906108c
SS		 423Sun Jun 15 15:22:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
424
425 * gencode.c (main): Perform basic checks on tab entries.
426
427 * Makefile.in (gencode): Always compile with -g.
428
429Sat Jun 14 13:45:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
430
431 * gencode.c (gensim): Move ref checking code to before `stuff'.
432 For branches with delay slots refs were not being checked.
433
434 * interp.c (sim_resume): Use nia to specify the next instruction
435 address instead of overloading pc.
436 (C): Delete definiton - refer to cycles directly.
437 (SEXT12): New macro - sign extend a 12 bit quantity.
438 (Delay_Slot): Rename from SL.
439
440 * gencode.c (tab): Update/simplify.
441
442 * gencode.c (gensim): Better formatting of output code.
443 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
444 (tab): Sort alphabetically. Break `stuff' into multiple lines.
445
446Fri Jun 13 22:10:13 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
447
448 * gencode.c (braf, bsrf): Fix branch destination calculation to
449 be in accordance with the documentation.
450
451Fri Jun 13 15:33:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
452
453 * interp.c (init_pointers): Fix little endian test.
454
7a292a7a
SS		 455Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
456
457 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
458 * gencode (fmov from/to memory): take endian_mismatch into account
459 for 32 bit moves too.
460
c906108c
SS		 461Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
462
463 * gencode.c (swap.b): Fix treatment of high word.
464
7a292a7a
SS		 465Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
466
467 * sh/gencode.c,
468 * interp.c: experimental SH4 support.
469 DFmode moves are probaly broken for target little endian.
470
c906108c
SS		 471Tue May 20 10:23:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
472
473 * interp.c (sim_open): Add callback argument.
474 (sim_set_callbacks): Delete SIM_DESC argument.
475
476Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com>
477
478 * Makefile.in (SIM_EXTRA_CLEAN): Define.
479 (clean targets): Delete.
480 (sh-clean): New target.
481
482Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
483
484 * configure: Regenerated to track ../common/aclocal.m4 changes.
485
486Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com>
487
488 * tconfig.in: New file.
489 * interp.c (sim_open): Handle missing arg to -E.
490
491Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com)
492
493 * Makefile.in: Add clean targets.
494
495Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
496
497 * interp.c: Include float.h and define SIGTRAP if _WIN32.
498 WIN32 -> _WIN32.
499 * (trap): Do do SYS_chown for _WIN32.
500
501Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
502
503 * interp.c (sim_resume): Fix argument to poll_quit.
504
505Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
506
507 * interp.c (sim_stop): New function.
508 (sim_resume): Use poll_quit for polling.
509
510Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
511
512 * Makefile.in (SIM_OBJS): Add sim-load.o.
513 * interp.c (target_byte_order): Delete.
514 (sim_kind, myname, little_endian_p): New static locals.
515 (init_pointers): Use little_endian_p instead of target_byte_order.
516 (sim_resume): Likewise.
517 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
518 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
519 load file into simulator. Set start address from bfd.
520 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
521
522Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
523
524 * configure: Regenerated to track ../common/aclocal.m4 changes.
525 * config.in: Ditto.
526
527Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
528
529 * interp.c (sim_open): New arg `kind'.
530
531 * configure: Regenerated to track ../common/aclocal.m4 changes.
532
533Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
534
535 * configure: Regenerated to track ../common/aclocal.m4 changes.
536
537Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
538
539 * interp.c (sim_do_command): Check for NULL command or empty
540 string and handle it the same as a "help" command. Use callback
541 to print error message for unrecognized commands. Replace
542 hardcoded tab in literal string with a \t. Other minor code
543 cleanup.
544
545Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
546
547 * configure: Regenerated to track ../common/aclocal.m4 changes.
548
549Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
550
551 * configure: Re-generate.
552
553Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
554
555 * configure: Regenerate to track ../common/aclocal.m4 changes.
556
557Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
558
559 * interp.c (sim_open): New SIM_DESC result. Argument is now
560 in argv form.
561 (other sim_*): New SIM_DESC argument.
562
563Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
564
565 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
566 COMMON_{PRE,POST}_CONFIG_FRAG instead.
567 * configure.in: sinclude ../common/aclocal.m4.
568 * configure: Regenerated.
569
570Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
571
572 * configure configure.in Makefile.in: Update to new configure
573 scheme which is more compatible with WinGDB builds.
574 * configure.in: Improve comment on how to run autoconf.
575 * configure: Re-run autoconf to get new ../common/aclocal.m4.
576 * Makefile.in: Use autoconf substitution to install common
577 makefile fragment.
578
579Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
580
581 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
582 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
583 * configure.in: Simplify using macros in ../common/aclocal.m4.
584 Call AC_CHECK_HEADERS(unistd.h).
585 * configure: Regenerated.
586 * config.in: New file.
587 * interp.c: #include "config.h". #include <unistd.h> if present.
588 (trap): Fetch errno value with callback->get_errno.
589
590Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
591
592 * interp.c: Don't include windows polling code if inside simluator.
593
594Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
595
596 * interp.c: Minor formatting improvements.
597 (saved_state_type): Add bank registers.
598 (bp_holder): New function, use to break on when debugging BUSERROR.
599 (BUSERROR): Call it if bus error occurs.
600
601Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
602
603 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
604 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
605 (docdir): Removed.
606 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
607 (AC_PROG_INSTALL): Added.
608 * configure: Rebuilt.
609
610Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
611
612 * interp.c (saved_state_type): Add memstalls field.
613 (MA) Define macro.
614 (sim_resume): New local variable memstalls. Add it back in to
615 saved_state at the end of the function.
616 (sim_info): Report memstalls.
617 * gencode.c (tab): Add MA() to the execution string of all
618 instructions which access memory.
619
620Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
621
622 * configure: Regenerate with autoconf 2.7.
623
624Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
625
626 * gencode.c (mac.l): Don't abort GDB if executing mac.l
627 instruction (which is unimplemented). Generate a SIGTRAP (in the
628 simulated target) instead.
629
630Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
631
632 * gencode.c (tab): Added several sh3 opcodes.
633 (think): Added printonmatch for A_SSR and A_SPC.
634 * interp.c (SSR, SPC): Added definitions.
635 (saved_state_type): Added ssr and spc registers.
636
637Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
638
639 * gencode.c (tab): In shad/shld definitions, negate R[m] before
640 the and operation instead of after. For shad delete cast. For shld
641 use UR instead of R and delete cast.
642
643Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
644
645 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
646
647Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
648
649 * interp.c: Make target_byte_order be extern to prevent SGI cc from
650 issuing warnings about the use of common symbols.
651
652Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
653
654 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
655 actually uses pr+0.
656
657Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
658
659 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
660 program exited.
661 (sim_get_quit_code): Delete.
662
663 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
664 default case.
665
666Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
667
668 * interp.c (saved_state_type): Move FP registers to immediately
669 after SR.
670
671Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
672
673 * Makefile.in (BISON): Remove macro.
674
675Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
676
677 * interp.c (trap, case SYS_utime): Cast second arg of utime to
678 void * to avoid compiler error.
679
680 * interp.c (callback): Remove last change. It is initialized by
681 a sim_set_callbacks call.
682
683Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
684
685 * interp.c (callback): Initialize to default callback.
686
687Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
688
689 * run.c: Moved to ../common.
690 * interp.c (trap): Use gdb's callback interface.
691 * Makefile.in: Updated.
692
693Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
694
695 * Makefile.in (maintainer-clean): New synonym for realclean.
696
697Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
698
699 * run.c (sim_callback_write_stdout): New.
700 * interp.c (trap): Call sim_callback_write_stdout when needed.
701
702Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
703
704 * interp.c (trap): Remove useless code.
705
706Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
707
708 * syscall.h: Copy from newlib.
709
710Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
711
712 * gencode.c: Back up PC by 2 for breakpoints.
713 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
714 which expect pc to immediatly follow regs[].
715
716Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
717
718 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
719 * configure: Rebuild.
720 * Makefile.in (INSTALL): Revert to using install.sh.
721 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
722 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
723 (CC_FOR_BUILD): Restore.
724 (gencode): Build using $(CC_FOR_BUILD).
725 (install): Don't install in $(tooldir).
726
727Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
728
729 (Try to) Update to new bfd autoconf scheme.
730 * run.c: Don't include sysdep.h.
731 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
732 (CC, CFLAGS, AR, RANLIB): Likewise.
733 (HDEFINES, TDEFINES): Define.
734 (CC_FOR_BUILD): Delete.
735 (host_makefile_frag): Delete.
736 (Makefile): Don't depend on frags.
737 * configure.in (sysdep.h): Don't create symlink.
738 (host_makefile_frag, frags): Deleted.
739 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
740 * configure: Regenerated.
741
742Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
743
744 * interp.c: Include <math.h>.
745
746Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
747
748 * Makefile.in (run): Link in math library too.
749 * gencode.c (gensim): abort if an unknown opcode is encountered.
750 * interp.c (FPSCR, FPUL): Define.
751 (struct save_state): Add fields for floating point registers,
752 FPSCR and FPUL.
753 (sim_resume): Add 'F' for accessing floating point registers
754 in the save state structure.
755 * gencode.c: Add sh3e opcodes.
756 (gensym): Define a buffer for int<->fp conversions.
757
758Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
759
760 * interp.c (trap): Use trap vector 34 for host system interface.
761 * gencode.c: Add 34 to conditional which determines which traps
762 will be handled by simulator.
763
764Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
765
766 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
767 (main): New variables reason and sigrc. After simulator exits,
768 check to see if it exited because of a signal, and if so, then
769 use the signal number as the return value.
770
771Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
772
773 * Update all FSF addresses except those in COPYING* files.
774
775Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
776
777 * interp.c (trap): Only use SYS_execv if defined. Might be
778 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
779 (sim_resume): In sbit initializer, cast shifted arg to unsigned
780 to avoid signed integer overflow.
781
782Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
783
784 * Makefile.in (clean): Remove run, libsim.a.
785 (distclean, mostlyclean, realclean): Remove Makefile and
786 autoconf files.
787
788 * sh.mt: Removed.
789
790 * Makefile.in, configure.in: converted to autoconf.
791 * configure: New file, generated with autconf 2.4.
792
793Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
794
795 * interp.c (sim_open): If argument supplied, interpret as
796 desired memory size.
797 (parse_and_set_memory_size): New function.
798 (sim_do_command): New function.
799
800Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
801
802 * interp.c (SYS_wait): Define as SYS_wait4 if available and
803 SYS_wait is not already defined (SunOS 4.1.3 for example).
804 (SYS_utime): Define as SYS_utimes if available and
805 SYS_utime is not already defined.
806
807Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
808
809 * interp.c: Don't include sys/times.h or sys/param.h
810
811Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
812
813 * interp.c (SIGBUS, SIGTERM): Define if not.
814 (sim_memory_size): default to 2^19 on PCs.
815 (sim_resume): Poll for quits on win32.
816
817Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
818
819 * gencode.c (op_tab): Add SH3 support.
820
821Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
822
823 * gencode.c (tab): Add bsrf and braf.
824
825Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
826
827 * configure.in: use ../../bfd/hosts/std-host.h, not
828 ../bfd/hosts/std-host.h (which doesn't exist).
829
830Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
831
832 * run.c: parse arguments with getopt().
833
834Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
835
836 * configure.in: Use ../../bfd/hosts/std-host.h if specific
837 host unavailable.
838
839Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
840
841 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
842
843Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
844
845 * gencode.c (op_tab): Make MAC.W call macw, not abort.
846 * interp.c (macw): New function.
847 (S): New #define.
848
849Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
850
851 * gencode.c (op_tab): New code for ADDV and SUBV.
852 Make MAC.L abort sicne it is not implemented.
853
854 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
855 Get rid of __GNUC__ conditional.
856
857aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
858
859 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
860 Change ADDC for symmetry.
861
862 * gencode.c (op_tab): Replace code for ADDC and SUBC.
863
864Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
865
866 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
867 declare IOMEM before using it.
868
869Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
870
871 * interp.c (BUSERROR): New macro.
872 ([r|w][bwl]at[little|big]) New functions.
873 (sim_resume): If GO32 check for interrupt every now
874 and again. Decrement PC if SIGBUS seen.
875 * run.c (main): Return result of simulated _exit.
876
877Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
878
879 * Makefile.in (gencode): Allow build in different directory.
880
881Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
882
883 * Makefile.in (gencode): Change $< to gencode.c for portability.
884
885Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
886
887 * interp.c ([wr][bwl]at): New functions.
888 (trap): Cope with both byte modes.
889
890Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
891
892 * gencode.c (tab): Simulate T bit after a negc insn right.
893 * interp.c (RSBAT): Sign extend the arg.
894 (ACE_FAST): New macro.
895 (sim_resume): Remove obsolete test of sim_timeout.
896
897Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
898
899 * interp.c (IOMEM): New function, simulates very basic I/O area of
900 the SH.
901 (WBAT, RBAT) : Call I/O functions.
902 * gencode.c (tab): Special case trapa #3.
903
904Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
905
906 * run.c (main): Specify the file type again.
907
908Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
909
910 * interp.c (trap): Fix irix incompatibility.
911 * run.c (main): open without specifying file type.
912
913Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
914
915 * interp.c (sim_*): Make result void where there isn't one.
916 (sim_set_pc): Delete.
917 (sim_info): Delete printf_fn arg, all callers changed.
918 Call printf_filtered instead.
919 (sim_close): New function.
920 (sim_load): New function.
921 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
922 * run.c: #include <varargs.h>, "remote-sim.h".
923 (printf_filtered): New function.
924
925Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
926
927 * gencode.c (table): Get direction of some opcodes right.
928 (trapa, rte): Implement fully.
929 * interp.c (trap): Make stat call more portable.
930
931Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
932
933 * gencode.c (main, gendefines): New -d option prints table of defines.
934 * interp.c (trap): Add a load of system calls.
935 (sim_memory_size): Now default to 8Mbyte.
936 (PARANOID): Keep vector of registers with undefined contents.
937
938Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
939
940 * gencode.c: mova uses aligned addresses
941 * interp.c (trap): Return results in r0.
942
943Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
944
945 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
946 * interp.c: #include "remote-sim.h".
947 (sim_resume): int result, new arg `siggnal'.
948 (sim_write): Use SIM_ADDR for type of arg `addr'.
949 (sim_read): Use SIM_ADDR for type of arg `addr'.
950 Use unsigned char * for `buffer'.
951 (sim_store_register): int result.
952 (sim_fetch_register): Ditto.
953 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
954 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
955 (sim_info): int result, new args `verbose', `printf_fn'.
956 (sim_kill): int result.
957 (sim_open): int result, new arg `name'.
958 * run.c: #include <stdio.h>
959 (main): Update call to sim_info.
960
961Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
962
963 * interp.c (sim_stop_signal): Result is now enum sim_stop.
964
965Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
966
967 * gencode.c (table): Becomes unsigned.
968 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
969 sim_read): Return number of bytes copied. (sim_store_register):
970 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
971
972Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
973
974 * interp.c (sim_info): Fix small typo in printf string.
975
976Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
977
978 * interp.c (sim_resume): Set memory after pointers inited.
979
980Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
981
982 * interp.c (get_now): Use time system call.
983 * Makefile.in: install correctly.
984
985Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
986
987 * run.c (main), interp.c (sim_set_timeout): Remove timeout
988 functionality.
989
990Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
991
992 * Makefile.in: don't run indent everytime; also add a space in the
993 includes
994
995Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
996
997 * gencode.c: Fix some opcodes.
998 * interp.c: Support for profiling and portability fixes.
999 * run.c (main): Get profiling args.
1000
1001Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
1002
1003 * gencode.c (tab): Lint for sgi compiler
1004 * interp.c: Lint for sgi compiler.
1005
1006Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1007
1008 * run.c (main): Support for resizing simulated RAM.
1009 * Makefile.in: Support for broken makes.
1010 * interp.c, gencode.c: Lint.
1011
1012Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1013
1014 * created
1015
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