]> git.ipfire.org Git - thirdparty/binutils-gdb.git/blame - sim/sh/ChangeLog
2003-06-27 Michael Snyder <msnyder@redhat.com>
[thirdparty/binutils-gdb.git] / sim / sh / ChangeLog
CommitLineData
e53a5a69
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12003-07-03 Michael Snyder <msnyder@redhat.com>
2
3 * gencode.c (movs): Fix a couple of text transpositions.
4
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52003-06-27 Michael Snyder <msnyder@redhat.com>
6
d2f18ae4 7 * gencode.c (op tab): Implement movca.l.
9e1d0fc1 8 * gencode.c (op movsxy_tab): Fix an error in the bit pattern.
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9 * gencode.c (gensim_caselist): The movy instructions use
10 registers R6 and R7 (not R4 and R5 like the movx insns).
11
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122003-06-27 Michael Snyder <msnyder@redhat.com>
13
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14 * gencode.c (op movsxy_tab): Fix up some copy/paste errors
15 in name: s/REG_x/REG_y/.
16
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17 * gencode.c (op tab): Move misplaced semicolon.
18
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192003-02-27 Andrew Cagney <cagney@redhat.com>
20
21 * interp.c (init_dsp, sim_open, sim_create_inferior): Rename _bfd
22 to bfd.
23
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24Fri Oct 11 16:22:28 2002 J"orn Rennecke <joern.rennecke@superh.com>
25
26 * interp.c (trap): Return int. Take extra parameter for address
27 of the trap instruction. Changed all callers.
28 Add case 33 for profiling.
29 * gencode.c (trapa): Handle trap 33 using the trap function.
30 Add read of vector for generic traps.
31
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32Wed Jul 17 19:36:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
33
34 * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
35 * interp.c: Include "gdb/sim-sh.h".
36 (sim_store_register, sim_fetch_register): Use constants defined there.
37
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38Tue Jun 18 16:53:11 2002 J"orn Rennecke <joern.rennecke@superh.com>
39
40 * interp.c (sim_resume): Fix setting of bus error for
41 instruction fetch.
42
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432002-06-16 Andrew Cagney <ac131313@redhat.com>
44
45 * configure: Regenerated to track ../common/aclocal.m4 changes.
46
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472002-06-08 Andrew Cagney <cagney@redhat.com>
48
49 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
50
de0492b6
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512001-01-30 Ben Elliston <bje@redhat.com>
52
53 * interp.c (sim_create_inferior): Record program arguments for
54 later inspection by the trap handler.
55 (count_argc): New function.
56 (prog_argv): Declare static.
57 (sim_write): Declare.
58 (trap): Implement argc, argnlen and argn system calls. Do not
59 abort on unknown system calls--simply return -1.
60 * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
61
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622001-01-24 Alexandre Oliva <aoliva@redhat.com>
63
64 * interp.c (trap): Implement time.
65
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662000-10-24 Ben Elliston <bje@redhat.com>
67
68 * gencode.c (tab): Delimit strings with commas where applicable.
69
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70Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
71
72 * configure: Regenerated to track ../common/aclocal.m4 changes.
73
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74Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
75
76sh-dsp support, simulator speedup by using host byte order:
77
78 * Makefile.in (interp.o): Depends on ppi.c .
79 (ppi.c): New rule.
80 * gencode.c (printonmatch, think, genopc): Deleted.
81 (MAX_NR_STUFF): Now 42.
82 (tab): Add SH-DSP CPU instructions.
83 Amalgamate ldc / stc / lds / sts instructions with similar
84 bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
85 Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
86 (movsxy_tab): New array.
87 For movs, change MMMM field to GGGG, and mmmm field to MMMM.
88 Added entries for movx, movy and parallel processing insns.
89 (ppi_tab): New array.
90 (qfunc): Stabilize sort.
91 (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
92 Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
93 (dumptable): Now takes three arguments. Changed all callers.
94 Emit just one contigous jump table.
95 (filltable): Now takes an argument. Changed all callers.
96 Make index static.
97 (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
98 (gensim_caselist): New function, broken out of gensim.
99 Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
100 Handle ref '9'.
101 (gensim): Handle 'N' in code field and '8' in refs field.
102 Call gensim_caselist - twice.
103 (ppi_index): New static variable.
104 (main): Unsupport default action.
105 Add dsp support for -x / -s option. Add -p option.
106 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
107 (saved_state_type): Rearrange to allow amalgamated ldc / stc /
108 lds / sts to work efficiently.
109 (target_dsp): New static variable.
110 (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
111 (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
112 (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
113 (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
114 (set_fpscr1): Likewise. Use target_dsp to check for dsp.
115 (MOD_MSi, SIG_BUS_FETCH): Deleted.
116 (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
117 (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
118 (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
119 of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
120 (set_sr): Reflect saved_state_type change. Fix SR_RB handling.
121 Use SET_MOD.
122 (MA, L, TL, TB): Now controlled by ACE_FAST.
123 (SEXT32): Just cast to int.
124 (SIGN32): Fixed to only shift by 31.
125 (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
126 (ppi_insn): Declare.
127 (ppi.c): Include.
128 (init_dsp): Set target_dsp. When it changes, switch end of
129 sh_jump_table with sh_dsp_table.
130 (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
131 Don't Declare PR if it's #defined.
132 Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
133 (sim_store_register, sim_read_register): Translate accesses to
134 reflect saved_state_type change.
135
136 * interp.c (set_sr): Set sr.
137 (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
138 (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
139 (DSP_R): Fix definition.
140 (sim_resume): Remove outdated SET_SR use.
141
142 * interp.c (saved_state): New members for struct member asregs:
143 rs, re, insn_end, xram_start, yram_start.
144 (struct loop_bounds): New struct.
145 (SKIP_INSN): New macro.
146 (get_loop_bounds): New function.
147 (endianw): Renamed to global_endianw.
148 (maskw): negated bits.
149 (PC): Now insn_ptr.
150 (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
151 (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
152 (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
153 (SIG_BUS_FETCH): Likewise
154 (raise_exception, riat_fast): New functions.
155 (raise_buserror, sim_stop): Use raise_exception.
156 (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
157 (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
158 Reverse sense of mask argument.
159 (FP_OP, set_dr): Use RAISE_EXCEPTION.
160 (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
161 Declare. Remove redundant masking.
162 (wwat_fast, rwat_fast): Add argument endianw. Changed callers.
163 (MA): Updated for change pc -> PC.
164 (Delay_Slot): Use RIAT.
165 (empty): Deleted.
166 (trap): Remove argument little_endian. Add argument endianw.
167 Changed all callers. Use raise_exception.
168 (macw): Add argument endainw. Changed all callers.
169 (init_dsp): New function, extended after broken out of init_pointers.
170 (sim_resume): Replace pc with insn_ptr. Replace little_endian with
171 endianw. Replace nia with nip. Reverse sense of maskb / maskw /
172 maskl. Implement logic for zero-overhead loops. Don't try to
173 interpret garbage when getting a SIGBUS at insn fetch.
174 (sim_open): Call init_dsp.
175 * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
176 RAISE_EXCEPTION where appropriate.
177 Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
178
179 * interp.c (sim_store_register, sim_fetch_register):
180 Do proper endianness switch.
181
182 * interp.c (saved_state_type): New members for struct member asregs:
183 xymem_select, xmem, ymem, xmem_offset, ymem_offset.
184 (special_address): Delete.
185 (BUSERROR): Now a two-argument predicate.
186 (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
187 (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
188 (process_wlat_addr, process_wwat_addr): New functions.
189 (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
190 (process_rbat_addr): Likewise.
191 (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
192 (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
193 (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
194 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
195 (do_rdat, trap): Delete SLOW code.
196 (SEXT32, SIGN32): New macros.
197 (swap, swap16): Now integer in - integer out. Changed all callers.
198 (strswaplen, strnswap): Delete SLOW versions.
199 (init_pointers): Initialize dsp memory selection (preliminary).
200 (sim_store_register, sim_fetch_register): Use swap instead of
201 big / little endian read / write functions.
202
203 * interp.c (maskl): Deleted.
204 (endianw, endianb): New variables.
205 (special_address): Now inline.
206 (bp_holder): Put raising of buserror there, rename to:
207 (raise_buserror).
208 (BUSERROR): Now yields a value. Changed all users.
209 (wbat_big): Delete.
210 (wlat_fast, wwat_fast, wbat_fast): New functions.
211 (rlat_fast, rwat_fast, rbat_fast): Likewise.
212 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
213 (do_rdat, do_wdat): Likewise. Take maskl argument instead of
214 little_endian one. Changed caller macros.
215 (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
216 (strswaplen, strnswap): New functions.
217 (trap): Use them to fix up endian mismatches;
218 disable SYS_execve and SYS_execv; fix double address translation for
219 SYS_pipe and SYS_stat.
220 (sym_write, sym_read): Add endianness translation.
221 (sym_store_register, sym_fetch_register): Add maskl local variable.
222 (sim_open): Set endianw and endianb.
223
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224Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
225
226 * configure: Regenerated to track ../common/aclocal.m4 changes.
227
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228Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com>
229
230 * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
231 union type, instead of casting to an int* then a float*.
232 (fcnvsd FPUL,<DR_N>): Likewise.
233 (flds <FREG_N>,FPUL): Likewise.
234 (fsts FPUL,<FREG_N>): Likewise.
235
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2361999-05-08 Felix Lee <flee@cygnus.com>
237
238 * configure: Regenerated to track ../common/aclocal.m4 changes.
239
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2401999-04-02 Keith Seitz <keiths@cygnus.com>
241
242 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
243 frequency at which the poll_quit callback is called.
244 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
245 hard-coded value.
246
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247Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
248
249 * interp.c (saved_state.asregs): Add new member pad_dummy.
250 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
251 as index into saved_state.asints.
252
253Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com)
254
255 * interp.c (sim_open): set endianness based on the ABFD if a -E
256 option is not present and we have an ABFD.
257
258Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
259
260 * configure: Regenerated to track ../common/aclocal.m4 changes.
261
262Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
263
264 * configure: Regenerated to track ../common/aclocal.m4 changes.
265 * config.in: Ditto.
266
267Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com>
268
269 * acconfig.h: New file.
270 * configure.in: Reverted change of Apr 24; use sinclude again.
271
272Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
273
274 * configure: Regenerated to track ../common/aclocal.m4 changes.
275 * config.in: Ditto.
276
277Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com>
278
279 * configure.in: Don't call sinclude.
280
281Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
282
283 * configure: Regenerated to track ../common/aclocal.m4 changes.
284
285Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
286
287 * configure: Regenerated to track ../common/aclocal.m4 changes.
288
289Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
290
291 * configure: Regenerated to track ../common/aclocal.m4 changes.
292
293Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
294
295 * configure: Regenerated to track ../common/aclocal.m4 changes.
296
297Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com>
298
299 * interp.c (sim_fetch_register, sim_store_register): Pass in
300 length parameter. Return -1.
301
302Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
303
304 * configure: Regenerated to track ../common/aclocal.m4 changes.
305
306Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
307
308 * configure: Regenerated to track ../common/aclocal.m4 changes.
309
310Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
311
312 * configure: Regenerated to track ../common/aclocal.m4 changes.
313
314Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
315
316 * configure: Regenerated to track ../common/aclocal.m4 changes.
317 * config.in: Ditto.
318
319Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
320
321 * configure: Regenerated to track ../common/aclocal.m4 changes.
322
323Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
324
325 * interp.c (sim_load): Pass lma_p and sim_write args to
326 sim_load_file.
327
328Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
329
330 * configure: Regenerated to track ../common/aclocal.m4 changes.
331
332Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
333
334 * configure: Regenerated to track ../common/aclocal.m4 changes.
335
336Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
337
338 * configure: Regenerated to track ../common/aclocal.m4 changes.
339
340Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
341
342 * configure: Regenerated to track ../common/aclocal.m4 changes.
343
344Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
345
346 * configure: Regenerated to track ../common/aclocal.m4 changes.
347
348Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
349
350 * configure: Regenerated to track ../common/aclocal.m4 changes.
351
352Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com>
353
354 * interp.c (sim_resume): poll_quit() at least once per call;
355 otherwise gdb can loop sim_resume() uninterruptably.
356
357Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
358
359 * configure: Regenerated to track ../common/aclocal.m4 changes.
360
361Tue Sep 2 13:15:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
362
363 * gencode.c (tab): Order instructions according to SH3 document.
364
365Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
366
367 * configure: Regenerated to track ../common/aclocal.m4 changes.
368 * config.in: Ditto.
369
370Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
371
372 * interp.c (sim_kill): Delete.
373 (sim_create_inferior): Add ABFD argument.
374 (sim_load): Move setting of PC from here.
375 (sim_create_inferior): To here.
376
377Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
378
379 * configure: Regenerated to track ../common/aclocal.m4 changes.
380 * config.in: Ditto.
381
382Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
383
384 * interp.c (sim_open): Add ABFD argument.
385
386Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
387
388 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
389 FP's around.
390 (set_dr): Ditto.
391
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392Mon Jun 23 15:02:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
393
394 * interp.c (XD, SET_XD): Delete.
395 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
396 FP bank.
397
398 * gencode.c (fmov): Update.
399
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400Sun Jun 22 19:33:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
401
402 * interp.c (set_fpscr1): From J"orn Rennecke
403 <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
404
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405Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
406
407 * interp.c (special_address): New function.
408 (BUSERROR): Call it. Added parameters bits_written and data.
409 Changed all callers.
410 * gencode.c (tab): Fixed ocbwb and pref.
411
412Fri Jun 20 22:03:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
413
414 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
415
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416Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
417
418 * interp.c (sim_create_inferior): Clear registers each time an
419 inferior is started.
420
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421Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
422
423 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
424 when a host doesn't support IEEE FP.
425 (*DP): Provide alternative definition that supports 64bit floating
426 point.
427 (target_little_endian): Combine little_endian and little_endian_p.
428 (saved_state_type): Make fpscr and sr simple integers.
429 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
430 (set_fpscr1): New function. Handle swapping when PR / FR bits
431 changed. Call via *_FPSCR macro.
432 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
433 endian problems.
434
435 * gencode.c (tab): Update.
436
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437Sun Jun 15 15:22:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
438
439 * gencode.c (main): Perform basic checks on tab entries.
440
441 * Makefile.in (gencode): Always compile with -g.
442
443Sat Jun 14 13:45:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
444
445 * gencode.c (gensim): Move ref checking code to before `stuff'.
446 For branches with delay slots refs were not being checked.
447
448 * interp.c (sim_resume): Use nia to specify the next instruction
449 address instead of overloading pc.
450 (C): Delete definiton - refer to cycles directly.
451 (SEXT12): New macro - sign extend a 12 bit quantity.
452 (Delay_Slot): Rename from SL.
453
454 * gencode.c (tab): Update/simplify.
455
456 * gencode.c (gensim): Better formatting of output code.
457 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
458 (tab): Sort alphabetically. Break `stuff' into multiple lines.
459
460Fri Jun 13 22:10:13 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
461
462 * gencode.c (braf, bsrf): Fix branch destination calculation to
463 be in accordance with the documentation.
464
465Fri Jun 13 15:33:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
466
467 * interp.c (init_pointers): Fix little endian test.
468
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469Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
470
471 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
472 * gencode (fmov from/to memory): take endian_mismatch into account
473 for 32 bit moves too.
474
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475Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
476
477 * gencode.c (swap.b): Fix treatment of high word.
478
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479Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
480
481 * sh/gencode.c,
482 * interp.c: experimental SH4 support.
483 DFmode moves are probaly broken for target little endian.
484
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485Tue May 20 10:23:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
486
487 * interp.c (sim_open): Add callback argument.
488 (sim_set_callbacks): Delete SIM_DESC argument.
489
490Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com>
491
492 * Makefile.in (SIM_EXTRA_CLEAN): Define.
493 (clean targets): Delete.
494 (sh-clean): New target.
495
496Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
497
498 * configure: Regenerated to track ../common/aclocal.m4 changes.
499
500Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com>
501
502 * tconfig.in: New file.
503 * interp.c (sim_open): Handle missing arg to -E.
504
505Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com)
506
507 * Makefile.in: Add clean targets.
508
509Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
510
511 * interp.c: Include float.h and define SIGTRAP if _WIN32.
512 WIN32 -> _WIN32.
513 * (trap): Do do SYS_chown for _WIN32.
514
515Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
516
517 * interp.c (sim_resume): Fix argument to poll_quit.
518
519Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
520
521 * interp.c (sim_stop): New function.
522 (sim_resume): Use poll_quit for polling.
523
524Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
525
526 * Makefile.in (SIM_OBJS): Add sim-load.o.
527 * interp.c (target_byte_order): Delete.
528 (sim_kind, myname, little_endian_p): New static locals.
529 (init_pointers): Use little_endian_p instead of target_byte_order.
530 (sim_resume): Likewise.
531 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
532 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
533 load file into simulator. Set start address from bfd.
534 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
535
536Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
537
538 * configure: Regenerated to track ../common/aclocal.m4 changes.
539 * config.in: Ditto.
540
541Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
542
543 * interp.c (sim_open): New arg `kind'.
544
545 * configure: Regenerated to track ../common/aclocal.m4 changes.
546
547Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
548
549 * configure: Regenerated to track ../common/aclocal.m4 changes.
550
551Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
552
553 * interp.c (sim_do_command): Check for NULL command or empty
554 string and handle it the same as a "help" command. Use callback
555 to print error message for unrecognized commands. Replace
556 hardcoded tab in literal string with a \t. Other minor code
557 cleanup.
558
559Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
560
561 * configure: Regenerated to track ../common/aclocal.m4 changes.
562
563Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
564
565 * configure: Re-generate.
566
567Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
568
569 * configure: Regenerate to track ../common/aclocal.m4 changes.
570
571Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
572
573 * interp.c (sim_open): New SIM_DESC result. Argument is now
574 in argv form.
575 (other sim_*): New SIM_DESC argument.
576
577Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
578
579 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
580 COMMON_{PRE,POST}_CONFIG_FRAG instead.
581 * configure.in: sinclude ../common/aclocal.m4.
582 * configure: Regenerated.
583
584Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
585
586 * configure configure.in Makefile.in: Update to new configure
587 scheme which is more compatible with WinGDB builds.
588 * configure.in: Improve comment on how to run autoconf.
589 * configure: Re-run autoconf to get new ../common/aclocal.m4.
590 * Makefile.in: Use autoconf substitution to install common
591 makefile fragment.
592
593Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
594
595 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
596 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
597 * configure.in: Simplify using macros in ../common/aclocal.m4.
598 Call AC_CHECK_HEADERS(unistd.h).
599 * configure: Regenerated.
600 * config.in: New file.
601 * interp.c: #include "config.h". #include <unistd.h> if present.
602 (trap): Fetch errno value with callback->get_errno.
603
604Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
605
606 * interp.c: Don't include windows polling code if inside simluator.
607
608Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
609
610 * interp.c: Minor formatting improvements.
611 (saved_state_type): Add bank registers.
612 (bp_holder): New function, use to break on when debugging BUSERROR.
613 (BUSERROR): Call it if bus error occurs.
614
615Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
616
617 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
618 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
619 (docdir): Removed.
620 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
621 (AC_PROG_INSTALL): Added.
622 * configure: Rebuilt.
623
624Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
625
626 * interp.c (saved_state_type): Add memstalls field.
627 (MA) Define macro.
628 (sim_resume): New local variable memstalls. Add it back in to
629 saved_state at the end of the function.
630 (sim_info): Report memstalls.
631 * gencode.c (tab): Add MA() to the execution string of all
632 instructions which access memory.
633
634Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
635
636 * configure: Regenerate with autoconf 2.7.
637
638Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
639
640 * gencode.c (mac.l): Don't abort GDB if executing mac.l
641 instruction (which is unimplemented). Generate a SIGTRAP (in the
642 simulated target) instead.
643
644Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
645
646 * gencode.c (tab): Added several sh3 opcodes.
647 (think): Added printonmatch for A_SSR and A_SPC.
648 * interp.c (SSR, SPC): Added definitions.
649 (saved_state_type): Added ssr and spc registers.
650
651Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
652
653 * gencode.c (tab): In shad/shld definitions, negate R[m] before
654 the and operation instead of after. For shad delete cast. For shld
655 use UR instead of R and delete cast.
656
657Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
658
659 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
660
661Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
662
663 * interp.c: Make target_byte_order be extern to prevent SGI cc from
664 issuing warnings about the use of common symbols.
665
666Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
667
668 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
669 actually uses pr+0.
670
671Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
672
673 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
674 program exited.
675 (sim_get_quit_code): Delete.
676
677 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
678 default case.
679
680Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
681
682 * interp.c (saved_state_type): Move FP registers to immediately
683 after SR.
684
685Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
686
687 * Makefile.in (BISON): Remove macro.
688
689Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
690
691 * interp.c (trap, case SYS_utime): Cast second arg of utime to
692 void * to avoid compiler error.
693
694 * interp.c (callback): Remove last change. It is initialized by
695 a sim_set_callbacks call.
696
697Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
698
699 * interp.c (callback): Initialize to default callback.
700
701Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
702
703 * run.c: Moved to ../common.
704 * interp.c (trap): Use gdb's callback interface.
705 * Makefile.in: Updated.
706
707Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
708
709 * Makefile.in (maintainer-clean): New synonym for realclean.
710
711Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
712
713 * run.c (sim_callback_write_stdout): New.
714 * interp.c (trap): Call sim_callback_write_stdout when needed.
715
716Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
717
718 * interp.c (trap): Remove useless code.
719
720Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
721
722 * syscall.h: Copy from newlib.
723
724Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
725
726 * gencode.c: Back up PC by 2 for breakpoints.
727 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
728 which expect pc to immediatly follow regs[].
729
730Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
731
732 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
733 * configure: Rebuild.
734 * Makefile.in (INSTALL): Revert to using install.sh.
735 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
736 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
737 (CC_FOR_BUILD): Restore.
738 (gencode): Build using $(CC_FOR_BUILD).
739 (install): Don't install in $(tooldir).
740
741Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
742
743 (Try to) Update to new bfd autoconf scheme.
744 * run.c: Don't include sysdep.h.
745 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
746 (CC, CFLAGS, AR, RANLIB): Likewise.
747 (HDEFINES, TDEFINES): Define.
748 (CC_FOR_BUILD): Delete.
749 (host_makefile_frag): Delete.
750 (Makefile): Don't depend on frags.
751 * configure.in (sysdep.h): Don't create symlink.
752 (host_makefile_frag, frags): Deleted.
753 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
754 * configure: Regenerated.
755
756Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
757
758 * interp.c: Include <math.h>.
759
760Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
761
762 * Makefile.in (run): Link in math library too.
763 * gencode.c (gensim): abort if an unknown opcode is encountered.
764 * interp.c (FPSCR, FPUL): Define.
765 (struct save_state): Add fields for floating point registers,
766 FPSCR and FPUL.
767 (sim_resume): Add 'F' for accessing floating point registers
768 in the save state structure.
769 * gencode.c: Add sh3e opcodes.
770 (gensym): Define a buffer for int<->fp conversions.
771
772Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
773
774 * interp.c (trap): Use trap vector 34 for host system interface.
775 * gencode.c: Add 34 to conditional which determines which traps
776 will be handled by simulator.
777
778Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
779
780 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
781 (main): New variables reason and sigrc. After simulator exits,
782 check to see if it exited because of a signal, and if so, then
783 use the signal number as the return value.
784
785Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
786
787 * Update all FSF addresses except those in COPYING* files.
788
789Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
790
791 * interp.c (trap): Only use SYS_execv if defined. Might be
792 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
793 (sim_resume): In sbit initializer, cast shifted arg to unsigned
794 to avoid signed integer overflow.
795
796Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
797
798 * Makefile.in (clean): Remove run, libsim.a.
799 (distclean, mostlyclean, realclean): Remove Makefile and
800 autoconf files.
801
802 * sh.mt: Removed.
803
804 * Makefile.in, configure.in: converted to autoconf.
805 * configure: New file, generated with autconf 2.4.
806
807Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
808
809 * interp.c (sim_open): If argument supplied, interpret as
810 desired memory size.
811 (parse_and_set_memory_size): New function.
812 (sim_do_command): New function.
813
814Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
815
816 * interp.c (SYS_wait): Define as SYS_wait4 if available and
817 SYS_wait is not already defined (SunOS 4.1.3 for example).
818 (SYS_utime): Define as SYS_utimes if available and
819 SYS_utime is not already defined.
820
821Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
822
823 * interp.c: Don't include sys/times.h or sys/param.h
824
825Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
826
827 * interp.c (SIGBUS, SIGTERM): Define if not.
828 (sim_memory_size): default to 2^19 on PCs.
829 (sim_resume): Poll for quits on win32.
830
831Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
832
833 * gencode.c (op_tab): Add SH3 support.
834
835Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
836
837 * gencode.c (tab): Add bsrf and braf.
838
839Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
840
841 * configure.in: use ../../bfd/hosts/std-host.h, not
842 ../bfd/hosts/std-host.h (which doesn't exist).
843
844Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
845
846 * run.c: parse arguments with getopt().
847
848Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
849
850 * configure.in: Use ../../bfd/hosts/std-host.h if specific
851 host unavailable.
852
853Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
854
855 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
856
857Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
858
859 * gencode.c (op_tab): Make MAC.W call macw, not abort.
860 * interp.c (macw): New function.
861 (S): New #define.
862
863Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
864
865 * gencode.c (op_tab): New code for ADDV and SUBV.
866 Make MAC.L abort sicne it is not implemented.
867
868 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
869 Get rid of __GNUC__ conditional.
870
871aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
872
873 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
874 Change ADDC for symmetry.
875
876 * gencode.c (op_tab): Replace code for ADDC and SUBC.
877
878Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
879
880 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
881 declare IOMEM before using it.
882
883Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
884
885 * interp.c (BUSERROR): New macro.
886 ([r|w][bwl]at[little|big]) New functions.
887 (sim_resume): If GO32 check for interrupt every now
888 and again. Decrement PC if SIGBUS seen.
889 * run.c (main): Return result of simulated _exit.
890
891Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
892
893 * Makefile.in (gencode): Allow build in different directory.
894
895Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
896
897 * Makefile.in (gencode): Change $< to gencode.c for portability.
898
899Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
900
901 * interp.c ([wr][bwl]at): New functions.
902 (trap): Cope with both byte modes.
903
904Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
905
906 * gencode.c (tab): Simulate T bit after a negc insn right.
907 * interp.c (RSBAT): Sign extend the arg.
908 (ACE_FAST): New macro.
909 (sim_resume): Remove obsolete test of sim_timeout.
910
911Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
912
913 * interp.c (IOMEM): New function, simulates very basic I/O area of
914 the SH.
915 (WBAT, RBAT) : Call I/O functions.
916 * gencode.c (tab): Special case trapa #3.
917
918Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
919
920 * run.c (main): Specify the file type again.
921
922Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
923
924 * interp.c (trap): Fix irix incompatibility.
925 * run.c (main): open without specifying file type.
926
927Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
928
929 * interp.c (sim_*): Make result void where there isn't one.
930 (sim_set_pc): Delete.
931 (sim_info): Delete printf_fn arg, all callers changed.
932 Call printf_filtered instead.
933 (sim_close): New function.
934 (sim_load): New function.
935 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
936 * run.c: #include <varargs.h>, "remote-sim.h".
937 (printf_filtered): New function.
938
939Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
940
941 * gencode.c (table): Get direction of some opcodes right.
942 (trapa, rte): Implement fully.
943 * interp.c (trap): Make stat call more portable.
944
945Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
946
947 * gencode.c (main, gendefines): New -d option prints table of defines.
948 * interp.c (trap): Add a load of system calls.
949 (sim_memory_size): Now default to 8Mbyte.
950 (PARANOID): Keep vector of registers with undefined contents.
951
952Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
953
954 * gencode.c: mova uses aligned addresses
955 * interp.c (trap): Return results in r0.
956
957Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
958
959 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
960 * interp.c: #include "remote-sim.h".
961 (sim_resume): int result, new arg `siggnal'.
962 (sim_write): Use SIM_ADDR for type of arg `addr'.
963 (sim_read): Use SIM_ADDR for type of arg `addr'.
964 Use unsigned char * for `buffer'.
965 (sim_store_register): int result.
966 (sim_fetch_register): Ditto.
967 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
968 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
969 (sim_info): int result, new args `verbose', `printf_fn'.
970 (sim_kill): int result.
971 (sim_open): int result, new arg `name'.
972 * run.c: #include <stdio.h>
973 (main): Update call to sim_info.
974
975Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
976
977 * interp.c (sim_stop_signal): Result is now enum sim_stop.
978
979Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
980
981 * gencode.c (table): Becomes unsigned.
982 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
983 sim_read): Return number of bytes copied. (sim_store_register):
984 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
985
986Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
987
988 * interp.c (sim_info): Fix small typo in printf string.
989
990Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
991
992 * interp.c (sim_resume): Set memory after pointers inited.
993
994Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
995
996 * interp.c (get_now): Use time system call.
997 * Makefile.in: install correctly.
998
999Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1000
1001 * run.c (main), interp.c (sim_set_timeout): Remove timeout
1002 functionality.
1003
1004Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
1005
1006 * Makefile.in: don't run indent everytime; also add a space in the
1007 includes
1008
1009Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1010
1011 * gencode.c: Fix some opcodes.
1012 * interp.c: Support for profiling and portability fixes.
1013 * run.c (main): Get profiling args.
1014
1015Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
1016
1017 * gencode.c (tab): Lint for sgi compiler
1018 * interp.c: Lint for sgi compiler.
1019
1020Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1021
1022 * run.c (main): Support for resizing simulated RAM.
1023 * Makefile.in: Support for broken makes.
1024 * interp.c, gencode.c: Lint.
1025
1026Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1027
1028 * created
1029