afdbe170a72229360dc7a85198fb18a9f90dbe3e
[deliverable/binutils-gdb.git] / sim / sh / ChangeLog
1 Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
2
3 * interp.c: Include float.h and define SIGTRAP if _WIN32.
4 WIN32 -> _WIN32.
5 * (trap): Do do SYS_chown for _WIN32.
6
7 Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
8
9 * interp.c (sim_resume): Fix argument to poll_quit.
10
11 Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
12
13 * interp.c (sim_stop): New function.
14 (sim_resume): Use poll_quit for polling.
15
16 Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
17
18 * Makefile.in (SIM_OBJS): Add sim-load.o.
19 * interp.c (target_byte_order): Delete.
20 (sim_kind, myname, little_endian_p): New static locals.
21 (init_pointers): Use little_endian_p instead of target_byte_order.
22 (sim_resume): Likewise.
23 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
24 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
25 load file into simulator. Set start address from bfd.
26 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
27
28 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
29
30 * configure: Regenerated to track ../common/aclocal.m4 changes.
31 * config.in: Ditto.
32
33 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
34
35 * interp.c (sim_open): New arg `kind'.
36
37 * configure: Regenerated to track ../common/aclocal.m4 changes.
38
39 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
40
41 * configure: Regenerated to track ../common/aclocal.m4 changes.
42
43 Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
44
45 * interp.c (sim_do_command): Check for NULL command or empty
46 string and handle it the same as a "help" command. Use callback
47 to print error message for unrecognized commands. Replace
48 hardcoded tab in literal string with a \t. Other minor code
49 cleanup.
50
51 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
52
53 * configure: Regenerated to track ../common/aclocal.m4 changes.
54
55 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
56
57 * configure: Re-generate.
58
59 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
60
61 * configure: Regenerate to track ../common/aclocal.m4 changes.
62
63 Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
64
65 * interp.c (sim_open): New SIM_DESC result. Argument is now
66 in argv form.
67 (other sim_*): New SIM_DESC argument.
68
69 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
70
71 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
72 COMMON_{PRE,POST}_CONFIG_FRAG instead.
73 * configure.in: sinclude ../common/aclocal.m4.
74 * configure: Regenerated.
75
76 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
77
78 * configure configure.in Makefile.in: Update to new configure
79 scheme which is more compatible with WinGDB builds.
80 * configure.in: Improve comment on how to run autoconf.
81 * configure: Re-run autoconf to get new ../common/aclocal.m4.
82 * Makefile.in: Use autoconf substitution to install common
83 makefile fragment.
84
85 Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
86
87 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
88 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
89 * configure.in: Simplify using macros in ../common/aclocal.m4.
90 Call AC_CHECK_HEADERS(unistd.h).
91 * configure: Regenerated.
92 * config.in: New file.
93 * interp.c: #include "config.h". #include <unistd.h> if present.
94 (trap): Fetch errno value with callback->get_errno.
95
96 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
97
98 * interp.c: Don't include windows polling code if inside simluator.
99
100 Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
101
102 * interp.c: Minor formatting improvements.
103 (saved_state_type): Add bank registers.
104 (bp_holder): New function, use to break on when debugging BUSERROR.
105 (BUSERROR): Call it if bus error occurs.
106
107 Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
108
109 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
110 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
111 (docdir): Removed.
112 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
113 (AC_PROG_INSTALL): Added.
114 * configure: Rebuilt.
115
116 Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
117
118 * interp.c (saved_state_type): Add memstalls field.
119 (MA) Define macro.
120 (sim_resume): New local variable memstalls. Add it back in to
121 saved_state at the end of the function.
122 (sim_info): Report memstalls.
123 * gencode.c (tab): Add MA() to the execution string of all
124 instructions which access memory.
125
126 Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
127
128 * configure: Regenerate with autoconf 2.7.
129
130 Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
131
132 * gencode.c (mac.l): Don't abort GDB if executing mac.l
133 instruction (which is unimplemented). Generate a SIGTRAP (in the
134 simulated target) instead.
135
136 Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
137
138 * gencode.c (tab): Added several sh3 opcodes.
139 (think): Added printonmatch for A_SSR and A_SPC.
140 * interp.c (SSR, SPC): Added definitions.
141 (saved_state_type): Added ssr and spc registers.
142
143 Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
144
145 * gencode.c (tab): In shad/shld definitions, negate R[m] before
146 the and operation instead of after. For shad delete cast. For shld
147 use UR instead of R and delete cast.
148
149 Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
150
151 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
152
153 Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
154
155 * interp.c: Make target_byte_order be extern to prevent SGI cc from
156 issuing warnings about the use of common symbols.
157
158 Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
159
160 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
161 actually uses pr+0.
162
163 Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
164
165 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
166 program exited.
167 (sim_get_quit_code): Delete.
168
169 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
170 default case.
171
172 Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
173
174 * interp.c (saved_state_type): Move FP registers to immediately
175 after SR.
176
177 Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
178
179 * Makefile.in (BISON): Remove macro.
180
181 Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
182
183 * interp.c (trap, case SYS_utime): Cast second arg of utime to
184 void * to avoid compiler error.
185
186 * interp.c (callback): Remove last change. It is initialized by
187 a sim_set_callbacks call.
188
189 Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
190
191 * interp.c (callback): Initialize to default callback.
192
193 Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
194
195 * run.c: Moved to ../common.
196 * interp.c (trap): Use gdb's callback interface.
197 * Makefile.in: Updated.
198
199 Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
200
201 * Makefile.in (maintainer-clean): New synonym for realclean.
202
203 Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
204
205 * run.c (sim_callback_write_stdout): New.
206 * interp.c (trap): Call sim_callback_write_stdout when needed.
207
208 Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
209
210 * interp.c (trap): Remove useless code.
211
212 Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
213
214 * syscall.h: Copy from newlib.
215
216 Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
217
218 * gencode.c: Back up PC by 2 for breakpoints.
219 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
220 which expect pc to immediatly follow regs[].
221
222 Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
223
224 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
225 * configure: Rebuild.
226 * Makefile.in (INSTALL): Revert to using install.sh.
227 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
228 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
229 (CC_FOR_BUILD): Restore.
230 (gencode): Build using $(CC_FOR_BUILD).
231 (install): Don't install in $(tooldir).
232
233 Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
234
235 (Try to) Update to new bfd autoconf scheme.
236 * run.c: Don't include sysdep.h.
237 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
238 (CC, CFLAGS, AR, RANLIB): Likewise.
239 (HDEFINES, TDEFINES): Define.
240 (CC_FOR_BUILD): Delete.
241 (host_makefile_frag): Delete.
242 (Makefile): Don't depend on frags.
243 * configure.in (sysdep.h): Don't create symlink.
244 (host_makefile_frag, frags): Deleted.
245 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
246 * configure: Regenerated.
247
248 Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
249
250 * interp.c: Include <math.h>.
251
252 Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
253
254 * Makefile.in (run): Link in math library too.
255 * gencode.c (gensim): abort if an unknown opcode is encountered.
256 * interp.c (FPSCR, FPUL): Define.
257 (struct save_state): Add fields for floating point registers,
258 FPSCR and FPUL.
259 (sim_resume): Add 'F' for accessing floating point registers
260 in the save state structure.
261 * gencode.c: Add sh3e opcodes.
262 (gensym): Define a buffer for int<->fp conversions.
263
264 Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
265
266 * interp.c (trap): Use trap vector 34 for host system interface.
267 * gencode.c: Add 34 to conditional which determines which traps
268 will be handled by simulator.
269
270 Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
271
272 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
273 (main): New variables reason and sigrc. After simulator exits,
274 check to see if it exited because of a signal, and if so, then
275 use the signal number as the return value.
276
277 Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
278
279 * Update all FSF addresses except those in COPYING* files.
280
281 Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
282
283 * interp.c (trap): Only use SYS_execv if defined. Might be
284 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
285 (sim_resume): In sbit initializer, cast shifted arg to unsigned
286 to avoid signed integer overflow.
287
288 Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
289
290 * Makefile.in (clean): Remove run, libsim.a.
291 (distclean, mostlyclean, realclean): Remove Makefile and
292 autoconf files.
293
294 * sh.mt: Removed.
295
296 * Makefile.in, configure.in: converted to autoconf.
297 * configure: New file, generated with autconf 2.4.
298
299 Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
300
301 * interp.c (sim_open): If argument supplied, interpret as
302 desired memory size.
303 (parse_and_set_memory_size): New function.
304 (sim_do_command): New function.
305
306 Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
307
308 * interp.c (SYS_wait): Define as SYS_wait4 if available and
309 SYS_wait is not already defined (SunOS 4.1.3 for example).
310 (SYS_utime): Define as SYS_utimes if available and
311 SYS_utime is not already defined.
312
313 Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
314
315 * interp.c: Don't include sys/times.h or sys/param.h
316
317 Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
318
319 * interp.c (SIGBUS, SIGTERM): Define if not.
320 (sim_memory_size): default to 2^19 on PCs.
321 (sim_resume): Poll for quits on win32.
322
323 Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
324
325 * gencode.c (op_tab): Add SH3 support.
326
327 Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
328
329 * gencode.c (tab): Add bsrf and braf.
330
331 Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
332
333 * configure.in: use ../../bfd/hosts/std-host.h, not
334 ../bfd/hosts/std-host.h (which doesn't exist).
335
336 Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
337
338 * run.c: parse arguments with getopt().
339
340 Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
341
342 * configure.in: Use ../../bfd/hosts/std-host.h if specific
343 host unavailable.
344
345 Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
346
347 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
348
349 Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
350
351 * gencode.c (op_tab): Make MAC.W call macw, not abort.
352 * interp.c (macw): New function.
353 (S): New #define.
354
355 Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
356
357 * gencode.c (op_tab): New code for ADDV and SUBV.
358 Make MAC.L abort sicne it is not implemented.
359
360 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
361 Get rid of __GNUC__ conditional.
362
363 aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
364
365 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
366 Change ADDC for symmetry.
367
368 * gencode.c (op_tab): Replace code for ADDC and SUBC.
369
370 Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
371
372 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
373 declare IOMEM before using it.
374
375 Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
376
377 * interp.c (BUSERROR): New macro.
378 ([r|w][bwl]at[little|big]) New functions.
379 (sim_resume): If GO32 check for interrupt every now
380 and again. Decrement PC if SIGBUS seen.
381 * run.c (main): Return result of simulated _exit.
382
383 Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
384
385 * Makefile.in (gencode): Allow build in different directory.
386
387 Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
388
389 * Makefile.in (gencode): Change $< to gencode.c for portability.
390
391 Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
392
393 * interp.c ([wr][bwl]at): New functions.
394 (trap): Cope with both byte modes.
395
396 Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
397
398 * gencode.c (tab): Simulate T bit after a negc insn right.
399 * interp.c (RSBAT): Sign extend the arg.
400 (ACE_FAST): New macro.
401 (sim_resume): Remove obsolete test of sim_timeout.
402
403 Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
404
405 * interp.c (IOMEM): New function, simulates very basic I/O area of
406 the SH.
407 (WBAT, RBAT) : Call I/O functions.
408 * gencode.c (tab): Special case trapa #3.
409
410 Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
411
412 * run.c (main): Specify the file type again.
413
414 Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
415
416 * interp.c (trap): Fix irix incompatibility.
417 * run.c (main): open without specifying file type.
418
419 Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
420
421 * interp.c (sim_*): Make result void where there isn't one.
422 (sim_set_pc): Delete.
423 (sim_info): Delete printf_fn arg, all callers changed.
424 Call printf_filtered instead.
425 (sim_close): New function.
426 (sim_load): New function.
427 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
428 * run.c: #include <varargs.h>, "remote-sim.h".
429 (printf_filtered): New function.
430
431 Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
432
433 * gencode.c (table): Get direction of some opcodes right.
434 (trapa, rte): Implement fully.
435 * interp.c (trap): Make stat call more portable.
436
437 Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
438
439 * gencode.c (main, gendefines): New -d option prints table of defines.
440 * interp.c (trap): Add a load of system calls.
441 (sim_memory_size): Now default to 8Mbyte.
442 (PARANOID): Keep vector of registers with undefined contents.
443
444 Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
445
446 * gencode.c: mova uses aligned addresses
447 * interp.c (trap): Return results in r0.
448
449 Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
450
451 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
452 * interp.c: #include "remote-sim.h".
453 (sim_resume): int result, new arg `siggnal'.
454 (sim_write): Use SIM_ADDR for type of arg `addr'.
455 (sim_read): Use SIM_ADDR for type of arg `addr'.
456 Use unsigned char * for `buffer'.
457 (sim_store_register): int result.
458 (sim_fetch_register): Ditto.
459 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
460 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
461 (sim_info): int result, new args `verbose', `printf_fn'.
462 (sim_kill): int result.
463 (sim_open): int result, new arg `name'.
464 * run.c: #include <stdio.h>
465 (main): Update call to sim_info.
466
467 Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
468
469 * interp.c (sim_stop_signal): Result is now enum sim_stop.
470
471 Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
472
473 * gencode.c (table): Becomes unsigned.
474 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
475 sim_read): Return number of bytes copied. (sim_store_register):
476 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
477
478 Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
479
480 * interp.c (sim_info): Fix small typo in printf string.
481
482 Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
483
484 * interp.c (sim_resume): Set memory after pointers inited.
485
486 Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
487
488 * interp.c (get_now): Use time system call.
489 * Makefile.in: install correctly.
490
491 Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
492
493 * run.c (main), interp.c (sim_set_timeout): Remove timeout
494 functionality.
495
496 Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
497
498 * Makefile.in: don't run indent everytime; also add a space in the
499 includes
500
501 Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
502
503 * gencode.c: Fix some opcodes.
504 * interp.c: Support for profiling and portability fixes.
505 * run.c (main): Get profiling args.
506
507 Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
508
509 * gencode.c (tab): Lint for sgi compiler
510 * interp.c: Lint for sgi compiler.
511
512 Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
513
514 * run.c (main): Support for resizing simulated RAM.
515 * Makefile.in: Support for broken makes.
516 * interp.c, gencode.c: Lint.
517
518 Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)
519
520 * created
521
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