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[deliverable/binutils-gdb.git] / sim / sh / ChangeLog
CommitLineData
8dc30ef7
MS		 12003-06-27 Michael Snyder <msnyder@redhat.com>
2
0b282859
MS		 3 * gencode.c (op movsxy_tab): Fix up some copy/paste errors
4 in name: s/REG_x/REG_y/.
5
8dc30ef7
MS		 6 * gencode.c (op tab): Move misplaced semicolon.
7
6b4a8935
AC		 82003-02-27 Andrew Cagney <cagney@redhat.com>
9
10 * interp.c (init_dsp, sim_open, sim_create_inferior): Rename _bfd
11 to bfd.
12
fd8f4948
JR		 13Fri Oct 11 16:22:28 2002 J"orn Rennecke <joern.rennecke@superh.com>
14
15 * interp.c (trap): Return int. Take extra parameter for address
16 of the trap instruction. Changed all callers.
17 Add case 33 for profiling.
18 * gencode.c (trapa): Handle trap 33 using the trap function.
19 Add read of vector for generic traps.
20
2f14585c
JR		 21Wed Jul 17 19:36:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
22
23 * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
24 * interp.c: Include "gdb/sim-sh.h".
25 (sim_store_register, sim_fetch_register): Use constants defined there.
26
dc9feb5c
JR		 27Tue Jun 18 16:53:11 2002 J"orn Rennecke <joern.rennecke@superh.com>
28
29 * interp.c (sim_resume): Fix setting of bus error for
30 instruction fetch.
31
c8cca39f
AC		 322002-06-16 Andrew Cagney <ac131313@redhat.com>
33
34 * configure: Regenerated to track ../common/aclocal.m4 changes.
35
3c25f8c7
AC		 362002-06-08 Andrew Cagney <cagney@redhat.com>
37
38 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
39
de0492b6
AO		 402001-01-30 Ben Elliston <bje@redhat.com>
41
42 * interp.c (sim_create_inferior): Record program arguments for
43 later inspection by the trap handler.
44 (count_argc): New function.
45 (prog_argv): Declare static.
46 (sim_write): Declare.
47 (trap): Implement argc, argnlen and argn system calls. Do not
48 abort on unknown system calls--simply return -1.
49 * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
50
55406459
AO		 512001-01-24 Alexandre Oliva <aoliva@redhat.com>
52
53 * interp.c (trap): Implement time.
54
8f1e3ff5
BE		 552000-10-24 Ben Elliston <bje@redhat.com>
56
57 * gencode.c (tab): Delimit strings with commas where applicable.
58
eb2d80b4
AC		 59Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
60
61 * configure: Regenerated to track ../common/aclocal.m4 changes.
62
63978407
JR		 63Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
64
65sh-dsp support, simulator speedup by using host byte order:
66
67 * Makefile.in (interp.o): Depends on ppi.c .
68 (ppi.c): New rule.
69 * gencode.c (printonmatch, think, genopc): Deleted.
70 (MAX_NR_STUFF): Now 42.
71 (tab): Add SH-DSP CPU instructions.
72 Amalgamate ldc / stc / lds / sts instructions with similar
73 bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
74 Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
75 (movsxy_tab): New array.
76 For movs, change MMMM field to GGGG, and mmmm field to MMMM.
77 Added entries for movx, movy and parallel processing insns.
78 (ppi_tab): New array.
79 (qfunc): Stabilize sort.
80 (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
81 Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
82 (dumptable): Now takes three arguments. Changed all callers.
83 Emit just one contigous jump table.
84 (filltable): Now takes an argument. Changed all callers.
85 Make index static.
86 (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
87 (gensim_caselist): New function, broken out of gensim.
88 Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
89 Handle ref '9'.
90 (gensim): Handle 'N' in code field and '8' in refs field.
91 Call gensim_caselist - twice.
92 (ppi_index): New static variable.
93 (main): Unsupport default action.
94 Add dsp support for -x / -s option. Add -p option.
95 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
96 (saved_state_type): Rearrange to allow amalgamated ldc / stc /
97 lds / sts to work efficiently.
98 (target_dsp): New static variable.
99 (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
100 (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
101 (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
102 (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
103 (set_fpscr1): Likewise. Use target_dsp to check for dsp.
104 (MOD_MSi, SIG_BUS_FETCH): Deleted.
105 (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
106 (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
107 (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
108 of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
109 (set_sr): Reflect saved_state_type change. Fix SR_RB handling.
110 Use SET_MOD.
111 (MA, L, TL, TB): Now controlled by ACE_FAST.
112 (SEXT32): Just cast to int.
113 (SIGN32): Fixed to only shift by 31.
114 (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
115 (ppi_insn): Declare.
116 (ppi.c): Include.
117 (init_dsp): Set target_dsp. When it changes, switch end of
118 sh_jump_table with sh_dsp_table.
119 (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
120 Don't Declare PR if it's #defined.
121 Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
122 (sim_store_register, sim_read_register): Translate accesses to
123 reflect saved_state_type change.
124
125 * interp.c (set_sr): Set sr.
126 (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
127 (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
128 (DSP_R): Fix definition.
129 (sim_resume): Remove outdated SET_SR use.
130
131 * interp.c (saved_state): New members for struct member asregs:
132 rs, re, insn_end, xram_start, yram_start.
133 (struct loop_bounds): New struct.
134 (SKIP_INSN): New macro.
135 (get_loop_bounds): New function.
136 (endianw): Renamed to global_endianw.
137 (maskw): negated bits.
138 (PC): Now insn_ptr.
139 (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
140 (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
141 (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
142 (SIG_BUS_FETCH): Likewise
143 (raise_exception, riat_fast): New functions.
144 (raise_buserror, sim_stop): Use raise_exception.
145 (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
146 (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
147 Reverse sense of mask argument.
148 (FP_OP, set_dr): Use RAISE_EXCEPTION.
149 (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
150 Declare. Remove redundant masking.
151 (wwat_fast, rwat_fast): Add argument endianw. Changed callers.
152 (MA): Updated for change pc -> PC.
153 (Delay_Slot): Use RIAT.
154 (empty): Deleted.
155 (trap): Remove argument little_endian. Add argument endianw.
156 Changed all callers. Use raise_exception.
157 (macw): Add argument endainw. Changed all callers.
158 (init_dsp): New function, extended after broken out of init_pointers.
159 (sim_resume): Replace pc with insn_ptr. Replace little_endian with
160 endianw. Replace nia with nip. Reverse sense of maskb / maskw /
161 maskl. Implement logic for zero-overhead loops. Don't try to
162 interpret garbage when getting a SIGBUS at insn fetch.
163 (sim_open): Call init_dsp.
164 * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
165 RAISE_EXCEPTION where appropriate.
166 Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
167
168 * interp.c (sim_store_register, sim_fetch_register):
169 Do proper endianness switch.
170
171 * interp.c (saved_state_type): New members for struct member asregs:
172 xymem_select, xmem, ymem, xmem_offset, ymem_offset.
173 (special_address): Delete.
174 (BUSERROR): Now a two-argument predicate.
175 (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
176 (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
177 (process_wlat_addr, process_wwat_addr): New functions.
178 (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
179 (process_rbat_addr): Likewise.
180 (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
181 (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
182 (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
183 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
184 (do_rdat, trap): Delete SLOW code.
185 (SEXT32, SIGN32): New macros.
186 (swap, swap16): Now integer in - integer out. Changed all callers.
187 (strswaplen, strnswap): Delete SLOW versions.
188 (init_pointers): Initialize dsp memory selection (preliminary).
189 (sim_store_register, sim_fetch_register): Use swap instead of
190 big / little endian read / write functions.
191
192 * interp.c (maskl): Deleted.
193 (endianw, endianb): New variables.
194 (special_address): Now inline.
195 (bp_holder): Put raising of buserror there, rename to:
196 (raise_buserror).
197 (BUSERROR): Now yields a value. Changed all users.
198 (wbat_big): Delete.
199 (wlat_fast, wwat_fast, wbat_fast): New functions.
200 (rlat_fast, rwat_fast, rbat_fast): Likewise.
201 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
202 (do_rdat, do_wdat): Likewise. Take maskl argument instead of
203 little_endian one. Changed caller macros.
204 (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
205 (strswaplen, strnswap): New functions.
206 (trap): Use them to fix up endian mismatches;
207 disable SYS_execve and SYS_execv; fix double address translation for
208 SYS_pipe and SYS_stat.
209 (sym_write, sym_read): Add endianness translation.
210 (sym_store_register, sym_fetch_register): Add maskl local variable.
211 (sim_open): Set endianw and endianb.
212
d4f3574e
SS		 213Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
214
215 * configure: Regenerated to track ../common/aclocal.m4 changes.
216
104c1213
JM		 217Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com>
218
219 * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
220 union type, instead of casting to an int* then a float*.
221 (fcnvsd FPUL,<DR_N>): Likewise.
222 (flds <FREG_N>,FPUL): Likewise.
223 (fsts FPUL,<FREG_N>): Likewise.
224
cd0fc7c3
SS		 2251999-05-08 Felix Lee <flee@cygnus.com>
226
227 * configure: Regenerated to track ../common/aclocal.m4 changes.
228
7a292a7a
SS		 2291999-04-02 Keith Seitz <keiths@cygnus.com>
230
231 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
232 frequency at which the poll_quit callback is called.
233 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
234 hard-coded value.
235
c906108c
SS		 236Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
237
238 * interp.c (saved_state.asregs): Add new member pad_dummy.
239 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
240 as index into saved_state.asints.
241
242Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com)
243
244 * interp.c (sim_open): set endianness based on the ABFD if a -E
245 option is not present and we have an ABFD.
246
247Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
248
249 * configure: Regenerated to track ../common/aclocal.m4 changes.
250
251Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
252
253 * configure: Regenerated to track ../common/aclocal.m4 changes.
254 * config.in: Ditto.
255
256Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com>
257
258 * acconfig.h: New file.
259 * configure.in: Reverted change of Apr 24; use sinclude again.
260
261Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
262
263 * configure: Regenerated to track ../common/aclocal.m4 changes.
264 * config.in: Ditto.
265
266Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com>
267
268 * configure.in: Don't call sinclude.
269
270Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
271
272 * configure: Regenerated to track ../common/aclocal.m4 changes.
273
274Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
275
276 * configure: Regenerated to track ../common/aclocal.m4 changes.
277
278Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
279
280 * configure: Regenerated to track ../common/aclocal.m4 changes.
281
282Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
283
284 * configure: Regenerated to track ../common/aclocal.m4 changes.
285
286Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com>
287
288 * interp.c (sim_fetch_register, sim_store_register): Pass in
289 length parameter. Return -1.
290
291Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
292
293 * configure: Regenerated to track ../common/aclocal.m4 changes.
294
295Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
296
297 * configure: Regenerated to track ../common/aclocal.m4 changes.
298
299Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
300
301 * configure: Regenerated to track ../common/aclocal.m4 changes.
302
303Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
304
305 * configure: Regenerated to track ../common/aclocal.m4 changes.
306 * config.in: Ditto.
307
308Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
309
310 * configure: Regenerated to track ../common/aclocal.m4 changes.
311
312Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
313
314 * interp.c (sim_load): Pass lma_p and sim_write args to
315 sim_load_file.
316
317Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
318
319 * configure: Regenerated to track ../common/aclocal.m4 changes.
320
321Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
322
323 * configure: Regenerated to track ../common/aclocal.m4 changes.
324
325Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
326
327 * configure: Regenerated to track ../common/aclocal.m4 changes.
328
329Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
330
331 * configure: Regenerated to track ../common/aclocal.m4 changes.
332
333Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
334
335 * configure: Regenerated to track ../common/aclocal.m4 changes.
336
337Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
338
339 * configure: Regenerated to track ../common/aclocal.m4 changes.
340
341Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com>
342
343 * interp.c (sim_resume): poll_quit() at least once per call;
344 otherwise gdb can loop sim_resume() uninterruptably.
345
346Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
347
348 * configure: Regenerated to track ../common/aclocal.m4 changes.
349
350Tue Sep 2 13:15:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
351
352 * gencode.c (tab): Order instructions according to SH3 document.
353
354Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
355
356 * configure: Regenerated to track ../common/aclocal.m4 changes.
357 * config.in: Ditto.
358
359Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
360
361 * interp.c (sim_kill): Delete.
362 (sim_create_inferior): Add ABFD argument.
363 (sim_load): Move setting of PC from here.
364 (sim_create_inferior): To here.
365
366Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
367
368 * configure: Regenerated to track ../common/aclocal.m4 changes.
369 * config.in: Ditto.
370
371Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
372
373 * interp.c (sim_open): Add ABFD argument.
374
375Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
376
377 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
378 FP's around.
379 (set_dr): Ditto.
380
7a292a7a
SS		 381Mon Jun 23 15:02:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
382
383 * interp.c (XD, SET_XD): Delete.
384 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
385 FP bank.
386
387 * gencode.c (fmov): Update.
388
c906108c
SS		 389Sun Jun 22 19:33:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
390
391 * interp.c (set_fpscr1): From J"orn Rennecke
392 <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
393
7a292a7a
SS		 394Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
395
396 * interp.c (special_address): New function.
397 (BUSERROR): Call it. Added parameters bits_written and data.
398 Changed all callers.
399 * gencode.c (tab): Fixed ocbwb and pref.
400
401Fri Jun 20 22:03:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
402
403 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
404
c906108c
SS		 405Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
406
407 * interp.c (sim_create_inferior): Clear registers each time an
408 inferior is started.
409
7a292a7a
SS		 410Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
411
412 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
413 when a host doesn't support IEEE FP.
414 (*DP): Provide alternative definition that supports 64bit floating
415 point.
416 (target_little_endian): Combine little_endian and little_endian_p.
417 (saved_state_type): Make fpscr and sr simple integers.
418 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
419 (set_fpscr1): New function. Handle swapping when PR / FR bits
420 changed. Call via *_FPSCR macro.
421 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
422 endian problems.
423
424 * gencode.c (tab): Update.
425
c906108c
SS		 426Sun Jun 15 15:22:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
427
428 * gencode.c (main): Perform basic checks on tab entries.
429
430 * Makefile.in (gencode): Always compile with -g.
431
432Sat Jun 14 13:45:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
433
434 * gencode.c (gensim): Move ref checking code to before `stuff'.
435 For branches with delay slots refs were not being checked.
436
437 * interp.c (sim_resume): Use nia to specify the next instruction
438 address instead of overloading pc.
439 (C): Delete definiton - refer to cycles directly.
440 (SEXT12): New macro - sign extend a 12 bit quantity.
441 (Delay_Slot): Rename from SL.
442
443 * gencode.c (tab): Update/simplify.
444
445 * gencode.c (gensim): Better formatting of output code.
446 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
447 (tab): Sort alphabetically. Break `stuff' into multiple lines.
448
449Fri Jun 13 22:10:13 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
450
451 * gencode.c (braf, bsrf): Fix branch destination calculation to
452 be in accordance with the documentation.
453
454Fri Jun 13 15:33:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
455
456 * interp.c (init_pointers): Fix little endian test.
457
7a292a7a
SS		 458Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
459
460 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
461 * gencode (fmov from/to memory): take endian_mismatch into account
462 for 32 bit moves too.
463
c906108c
SS		 464Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
465
466 * gencode.c (swap.b): Fix treatment of high word.
467
7a292a7a
SS		 468Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
469
470 * sh/gencode.c,
471 * interp.c: experimental SH4 support.
472 DFmode moves are probaly broken for target little endian.
473
c906108c
SS		 474Tue May 20 10:23:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
475
476 * interp.c (sim_open): Add callback argument.
477 (sim_set_callbacks): Delete SIM_DESC argument.
478
479Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com>
480
481 * Makefile.in (SIM_EXTRA_CLEAN): Define.
482 (clean targets): Delete.
483 (sh-clean): New target.
484
485Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
486
487 * configure: Regenerated to track ../common/aclocal.m4 changes.
488
489Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com>
490
491 * tconfig.in: New file.
492 * interp.c (sim_open): Handle missing arg to -E.
493
494Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com)
495
496 * Makefile.in: Add clean targets.
497
498Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
499
500 * interp.c: Include float.h and define SIGTRAP if _WIN32.
501 WIN32 -> _WIN32.
502 * (trap): Do do SYS_chown for _WIN32.
503
504Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
505
506 * interp.c (sim_resume): Fix argument to poll_quit.
507
508Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
509
510 * interp.c (sim_stop): New function.
511 (sim_resume): Use poll_quit for polling.
512
513Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
514
515 * Makefile.in (SIM_OBJS): Add sim-load.o.
516 * interp.c (target_byte_order): Delete.
517 (sim_kind, myname, little_endian_p): New static locals.
518 (init_pointers): Use little_endian_p instead of target_byte_order.
519 (sim_resume): Likewise.
520 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
521 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
522 load file into simulator. Set start address from bfd.
523 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
524
525Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
526
527 * configure: Regenerated to track ../common/aclocal.m4 changes.
528 * config.in: Ditto.
529
530Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
531
532 * interp.c (sim_open): New arg `kind'.
533
534 * configure: Regenerated to track ../common/aclocal.m4 changes.
535
536Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
537
538 * configure: Regenerated to track ../common/aclocal.m4 changes.
539
540Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
541
542 * interp.c (sim_do_command): Check for NULL command or empty
543 string and handle it the same as a "help" command. Use callback
544 to print error message for unrecognized commands. Replace
545 hardcoded tab in literal string with a \t. Other minor code
546 cleanup.
547
548Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
549
550 * configure: Regenerated to track ../common/aclocal.m4 changes.
551
552Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
553
554 * configure: Re-generate.
555
556Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
557
558 * configure: Regenerate to track ../common/aclocal.m4 changes.
559
560Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
561
562 * interp.c (sim_open): New SIM_DESC result. Argument is now
563 in argv form.
564 (other sim_*): New SIM_DESC argument.
565
566Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
567
568 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
569 COMMON_{PRE,POST}_CONFIG_FRAG instead.
570 * configure.in: sinclude ../common/aclocal.m4.
571 * configure: Regenerated.
572
573Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
574
575 * configure configure.in Makefile.in: Update to new configure
576 scheme which is more compatible with WinGDB builds.
577 * configure.in: Improve comment on how to run autoconf.
578 * configure: Re-run autoconf to get new ../common/aclocal.m4.
579 * Makefile.in: Use autoconf substitution to install common
580 makefile fragment.
581
582Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
583
584 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
585 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
586 * configure.in: Simplify using macros in ../common/aclocal.m4.
587 Call AC_CHECK_HEADERS(unistd.h).
588 * configure: Regenerated.
589 * config.in: New file.
590 * interp.c: #include "config.h". #include <unistd.h> if present.
591 (trap): Fetch errno value with callback->get_errno.
592
593Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
594
595 * interp.c: Don't include windows polling code if inside simluator.
596
597Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
598
599 * interp.c: Minor formatting improvements.
600 (saved_state_type): Add bank registers.
601 (bp_holder): New function, use to break on when debugging BUSERROR.
602 (BUSERROR): Call it if bus error occurs.
603
604Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
605
606 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
607 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
608 (docdir): Removed.
609 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
610 (AC_PROG_INSTALL): Added.
611 * configure: Rebuilt.
612
613Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
614
615 * interp.c (saved_state_type): Add memstalls field.
616 (MA) Define macro.
617 (sim_resume): New local variable memstalls. Add it back in to
618 saved_state at the end of the function.
619 (sim_info): Report memstalls.
620 * gencode.c (tab): Add MA() to the execution string of all
621 instructions which access memory.
622
623Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
624
625 * configure: Regenerate with autoconf 2.7.
626
627Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
628
629 * gencode.c (mac.l): Don't abort GDB if executing mac.l
630 instruction (which is unimplemented). Generate a SIGTRAP (in the
631 simulated target) instead.
632
633Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
634
635 * gencode.c (tab): Added several sh3 opcodes.
636 (think): Added printonmatch for A_SSR and A_SPC.
637 * interp.c (SSR, SPC): Added definitions.
638 (saved_state_type): Added ssr and spc registers.
639
640Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
641
642 * gencode.c (tab): In shad/shld definitions, negate R[m] before
643 the and operation instead of after. For shad delete cast. For shld
644 use UR instead of R and delete cast.
645
646Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
647
648 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
649
650Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
651
652 * interp.c: Make target_byte_order be extern to prevent SGI cc from
653 issuing warnings about the use of common symbols.
654
655Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
656
657 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
658 actually uses pr+0.
659
660Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
661
662 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
663 program exited.
664 (sim_get_quit_code): Delete.
665
666 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
667 default case.
668
669Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
670
671 * interp.c (saved_state_type): Move FP registers to immediately
672 after SR.
673
674Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
675
676 * Makefile.in (BISON): Remove macro.
677
678Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
679
680 * interp.c (trap, case SYS_utime): Cast second arg of utime to
681 void * to avoid compiler error.
682
683 * interp.c (callback): Remove last change. It is initialized by
684 a sim_set_callbacks call.
685
686Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
687
688 * interp.c (callback): Initialize to default callback.
689
690Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
691
692 * run.c: Moved to ../common.
693 * interp.c (trap): Use gdb's callback interface.
694 * Makefile.in: Updated.
695
696Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
697
698 * Makefile.in (maintainer-clean): New synonym for realclean.
699
700Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
701
702 * run.c (sim_callback_write_stdout): New.
703 * interp.c (trap): Call sim_callback_write_stdout when needed.
704
705Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
706
707 * interp.c (trap): Remove useless code.
708
709Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
710
711 * syscall.h: Copy from newlib.
712
713Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
714
715 * gencode.c: Back up PC by 2 for breakpoints.
716 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
717 which expect pc to immediatly follow regs[].
718
719Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
720
721 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
722 * configure: Rebuild.
723 * Makefile.in (INSTALL): Revert to using install.sh.
724 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
725 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
726 (CC_FOR_BUILD): Restore.
727 (gencode): Build using $(CC_FOR_BUILD).
728 (install): Don't install in $(tooldir).
729
730Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
731
732 (Try to) Update to new bfd autoconf scheme.
733 * run.c: Don't include sysdep.h.
734 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
735 (CC, CFLAGS, AR, RANLIB): Likewise.
736 (HDEFINES, TDEFINES): Define.
737 (CC_FOR_BUILD): Delete.
738 (host_makefile_frag): Delete.
739 (Makefile): Don't depend on frags.
740 * configure.in (sysdep.h): Don't create symlink.
741 (host_makefile_frag, frags): Deleted.
742 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
743 * configure: Regenerated.
744
745Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
746
747 * interp.c: Include <math.h>.
748
749Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
750
751 * Makefile.in (run): Link in math library too.
752 * gencode.c (gensim): abort if an unknown opcode is encountered.
753 * interp.c (FPSCR, FPUL): Define.
754 (struct save_state): Add fields for floating point registers,
755 FPSCR and FPUL.
756 (sim_resume): Add 'F' for accessing floating point registers
757 in the save state structure.
758 * gencode.c: Add sh3e opcodes.
759 (gensym): Define a buffer for int<->fp conversions.
760
761Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
762
763 * interp.c (trap): Use trap vector 34 for host system interface.
764 * gencode.c: Add 34 to conditional which determines which traps
765 will be handled by simulator.
766
767Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
768
769 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
770 (main): New variables reason and sigrc. After simulator exits,
771 check to see if it exited because of a signal, and if so, then
772 use the signal number as the return value.
773
774Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
775
776 * Update all FSF addresses except those in COPYING* files.
777
778Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
779
780 * interp.c (trap): Only use SYS_execv if defined. Might be
781 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
782 (sim_resume): In sbit initializer, cast shifted arg to unsigned
783 to avoid signed integer overflow.
784
785Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
786
787 * Makefile.in (clean): Remove run, libsim.a.
788 (distclean, mostlyclean, realclean): Remove Makefile and
789 autoconf files.
790
791 * sh.mt: Removed.
792
793 * Makefile.in, configure.in: converted to autoconf.
794 * configure: New file, generated with autconf 2.4.
795
796Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
797
798 * interp.c (sim_open): If argument supplied, interpret as
799 desired memory size.
800 (parse_and_set_memory_size): New function.
801 (sim_do_command): New function.
802
803Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
804
805 * interp.c (SYS_wait): Define as SYS_wait4 if available and
806 SYS_wait is not already defined (SunOS 4.1.3 for example).
807 (SYS_utime): Define as SYS_utimes if available and
808 SYS_utime is not already defined.
809
810Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
811
812 * interp.c: Don't include sys/times.h or sys/param.h
813
814Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
815
816 * interp.c (SIGBUS, SIGTERM): Define if not.
817 (sim_memory_size): default to 2^19 on PCs.
818 (sim_resume): Poll for quits on win32.
819
820Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
821
822 * gencode.c (op_tab): Add SH3 support.
823
824Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
825
826 * gencode.c (tab): Add bsrf and braf.
827
828Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
829
830 * configure.in: use ../../bfd/hosts/std-host.h, not
831 ../bfd/hosts/std-host.h (which doesn't exist).
832
833Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
834
835 * run.c: parse arguments with getopt().
836
837Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
838
839 * configure.in: Use ../../bfd/hosts/std-host.h if specific
840 host unavailable.
841
842Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
843
844 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
845
846Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
847
848 * gencode.c (op_tab): Make MAC.W call macw, not abort.
849 * interp.c (macw): New function.
850 (S): New #define.
851
852Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
853
854 * gencode.c (op_tab): New code for ADDV and SUBV.
855 Make MAC.L abort sicne it is not implemented.
856
857 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
858 Get rid of __GNUC__ conditional.
859
860aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
861
862 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
863 Change ADDC for symmetry.
864
865 * gencode.c (op_tab): Replace code for ADDC and SUBC.
866
867Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
868
869 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
870 declare IOMEM before using it.
871
872Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
873
874 * interp.c (BUSERROR): New macro.
875 ([r|w][bwl]at[little|big]) New functions.
876 (sim_resume): If GO32 check for interrupt every now
877 and again. Decrement PC if SIGBUS seen.
878 * run.c (main): Return result of simulated _exit.
879
880Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
881
882 * Makefile.in (gencode): Allow build in different directory.
883
884Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
885
886 * Makefile.in (gencode): Change $< to gencode.c for portability.
887
888Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
889
890 * interp.c ([wr][bwl]at): New functions.
891 (trap): Cope with both byte modes.
892
893Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
894
895 * gencode.c (tab): Simulate T bit after a negc insn right.
896 * interp.c (RSBAT): Sign extend the arg.
897 (ACE_FAST): New macro.
898 (sim_resume): Remove obsolete test of sim_timeout.
899
900Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
901
902 * interp.c (IOMEM): New function, simulates very basic I/O area of
903 the SH.
904 (WBAT, RBAT) : Call I/O functions.
905 * gencode.c (tab): Special case trapa #3.
906
907Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
908
909 * run.c (main): Specify the file type again.
910
911Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
912
913 * interp.c (trap): Fix irix incompatibility.
914 * run.c (main): open without specifying file type.
915
916Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
917
918 * interp.c (sim_*): Make result void where there isn't one.
919 (sim_set_pc): Delete.
920 (sim_info): Delete printf_fn arg, all callers changed.
921 Call printf_filtered instead.
922 (sim_close): New function.
923 (sim_load): New function.
924 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
925 * run.c: #include <varargs.h>, "remote-sim.h".
926 (printf_filtered): New function.
927
928Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
929
930 * gencode.c (table): Get direction of some opcodes right.
931 (trapa, rte): Implement fully.
932 * interp.c (trap): Make stat call more portable.
933
934Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
935
936 * gencode.c (main, gendefines): New -d option prints table of defines.
937 * interp.c (trap): Add a load of system calls.
938 (sim_memory_size): Now default to 8Mbyte.
939 (PARANOID): Keep vector of registers with undefined contents.
940
941Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
942
943 * gencode.c: mova uses aligned addresses
944 * interp.c (trap): Return results in r0.
945
946Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
947
948 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
949 * interp.c: #include "remote-sim.h".
950 (sim_resume): int result, new arg `siggnal'.
951 (sim_write): Use SIM_ADDR for type of arg `addr'.
952 (sim_read): Use SIM_ADDR for type of arg `addr'.
953 Use unsigned char * for `buffer'.
954 (sim_store_register): int result.
955 (sim_fetch_register): Ditto.
956 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
957 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
958 (sim_info): int result, new args `verbose', `printf_fn'.
959 (sim_kill): int result.
960 (sim_open): int result, new arg `name'.
961 * run.c: #include <stdio.h>
962 (main): Update call to sim_info.
963
964Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
965
966 * interp.c (sim_stop_signal): Result is now enum sim_stop.
967
968Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
969
970 * gencode.c (table): Becomes unsigned.
971 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
972 sim_read): Return number of bytes copied. (sim_store_register):
973 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
974
975Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
976
977 * interp.c (sim_info): Fix small typo in printf string.
978
979Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
980
981 * interp.c (sim_resume): Set memory after pointers inited.
982
983Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
984
985 * interp.c (get_now): Use time system call.
986 * Makefile.in: install correctly.
987
988Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
989
990 * run.c (main), interp.c (sim_set_timeout): Remove timeout
991 functionality.
992
993Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
994
995 * Makefile.in: don't run indent everytime; also add a space in the
996 includes
997
998Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
999
1000 * gencode.c: Fix some opcodes.
1001 * interp.c: Support for profiling and portability fixes.
1002 * run.c (main): Get profiling args.
1003
1004Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
1005
1006 * gencode.c (tab): Lint for sgi compiler
1007 * interp.c: Lint for sgi compiler.
1008
1009Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1010
1011 * run.c (main): Support for resizing simulated RAM.
1012 * Makefile.in: Support for broken makes.
1013 * interp.c, gencode.c: Lint.
1014
1015Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1016
1017 * created
1018
GDB Binutils - Deliverables
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