1 2003-11-03 J"orn Rennecke <joern.rennecke@superh.com>
3 * interp.c (fsca_s, fsrra_s): New functions.
4 * gencode.c (tab): Add entries for fsca and fsrra.
5 (expand_opcode): Allow variable length n / m fields.
7 2003-10-15 J"orn Rennecke <joern.rennecke@superh.com>
9 * syscall.h (SYS_truncate, SYS_ftruncate): Define.
10 * interp.c (trap): Add support for SYS_ftruncate and SYS_truncate.
12 2003-08-11 Shrinivas Atre <shrinivasa@KPITCummins.com>
13 * sim/sh/gencode.c ( tab[] ): Addition of MAC.L handler and
14 correction for MAC.W handler
15 * sim/sh/interp.c ( macl ): New Function. Implementation of
18 2003-08-07 Michael Snyder <msnyder@redhat.com>
20 * gencode.c (expand_ppi_code): Comment spelling fix.
22 2003-07-25 Michael Snyder <msnyder@redhat.com>
24 * gencode.c (pshl): Change < to <= (shift by 16 is allowed).
25 Cast argument of >> to unsigned to prevent sign extension.
26 (psha): Change < to <= (shift by 32 is allowed).
28 2003-07-24 Michael Snyder <msnyder@redhat.com>
30 * gencode.c: Fix typo in comment.
32 2003-07-23 Michael Snyder <msnyder@redhat.com>
34 * gencode.c: A few more fix-ups of refs and defs.
35 (frchg): Raise SIGILL if in double-precision mode.
36 (ldtlb): We don't simulate cache, so this is a no-op.
37 (movsxy_tab): Correct a few bit pattern errors.
39 2003-07-09 Michael Snyder <msnyder@redhat.com>
41 * gencode.c (prnd): Clear LSW of result to zeros.
42 * gencode.c (pmuls): Expression is mis-parenthesized.
43 * gencode.c (ppi_gensim): For a conditional ppi insn, if the
44 condition is false, we want to return (not break). A break
45 will take us to the end of the function where registers will
46 be updated, whereas the desired outcome is for nothing to change.
48 2003-07-03 Michael Snyder <msnyder@redhat.com>
50 * gencode.c (movs): Fix a couple of text transpositions.
52 2003-06-27 Michael Snyder <msnyder@redhat.com>
54 * gencode.c (op tab): Some fix-ups of refs and defs.
55 (ocbi, ocbp): Cache not simulated, but may cause memory fault.
56 (gensym_caselist): Add default case to switch statement.
57 (expand_ppi_code): Add default case to switch statement.
58 * gencode.c (op tab): Implement movca.l.
59 * gencode.c (op movsxy_tab): Fix an error in the bit pattern.
60 * gencode.c (gensim_caselist): The movy instructions use
61 registers R6 and R7 (not R4 and R5 like the movx insns).
63 2003-06-27 Michael Snyder <msnyder@redhat.com>
65 * gencode.c (op movsxy_tab): Fix up some copy/paste errors
66 in name: s/REG_x/REG_y/.
68 * gencode.c (op tab): Move misplaced semicolon.
70 2003-02-27 Andrew Cagney <cagney@redhat.com>
72 * interp.c (init_dsp, sim_open, sim_create_inferior): Rename _bfd
75 Fri Oct 11 16:22:28 2002 J"orn Rennecke <joern.rennecke@superh.com>
77 * interp.c (trap): Return int. Take extra parameter for address
78 of the trap instruction. Changed all callers.
79 Add case 33 for profiling.
80 * gencode.c (trapa): Handle trap 33 using the trap function.
81 Add read of vector for generic traps.
83 Wed Jul 17 19:36:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
85 * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
86 * interp.c: Include "gdb/sim-sh.h".
87 (sim_store_register, sim_fetch_register): Use constants defined there.
89 Tue Jun 18 16:53:11 2002 J"orn Rennecke <joern.rennecke@superh.com>
91 * interp.c (sim_resume): Fix setting of bus error for
94 2002-06-16 Andrew Cagney <ac131313@redhat.com>
96 * configure: Regenerated to track ../common/aclocal.m4 changes.
98 2002-06-08 Andrew Cagney <cagney@redhat.com>
100 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
102 2001-01-30 Ben Elliston <bje@redhat.com>
104 * interp.c (sim_create_inferior): Record program arguments for
105 later inspection by the trap handler.
106 (count_argc): New function.
107 (prog_argv): Declare static.
108 (sim_write): Declare.
109 (trap): Implement argc, argnlen and argn system calls. Do not
110 abort on unknown system calls--simply return -1.
111 * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
113 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
115 * interp.c (trap): Implement time.
117 2000-10-24 Ben Elliston <bje@redhat.com>
119 * gencode.c (tab): Delimit strings with commas where applicable.
121 Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
123 * configure: Regenerated to track ../common/aclocal.m4 changes.
125 Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
127 sh-dsp support, simulator speedup by using host byte order:
129 * Makefile.in (interp.o): Depends on ppi.c .
131 * gencode.c (printonmatch, think, genopc): Deleted.
132 (MAX_NR_STUFF): Now 42.
133 (tab): Add SH-DSP CPU instructions.
134 Amalgamate ldc / stc / lds / sts instructions with similar
135 bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
136 Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
137 (movsxy_tab): New array.
138 For movs, change MMMM field to GGGG, and mmmm field to MMMM.
139 Added entries for movx, movy and parallel processing insns.
140 (ppi_tab): New array.
141 (qfunc): Stabilize sort.
142 (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
143 Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
144 (dumptable): Now takes three arguments. Changed all callers.
145 Emit just one contigous jump table.
146 (filltable): Now takes an argument. Changed all callers.
148 (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
149 (gensim_caselist): New function, broken out of gensim.
150 Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
152 (gensim): Handle 'N' in code field and '8' in refs field.
153 Call gensim_caselist - twice.
154 (ppi_index): New static variable.
155 (main): Unsupport default action.
156 Add dsp support for -x / -s option. Add -p option.
157 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
158 (saved_state_type): Rearrange to allow amalgamated ldc / stc /
159 lds / sts to work efficiently.
160 (target_dsp): New static variable.
161 (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
162 (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
163 (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
164 (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
165 (set_fpscr1): Likewise. Use target_dsp to check for dsp.
166 (MOD_MSi, SIG_BUS_FETCH): Deleted.
167 (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
168 (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
169 (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
170 of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
171 (set_sr): Reflect saved_state_type change. Fix SR_RB handling.
173 (MA, L, TL, TB): Now controlled by ACE_FAST.
174 (SEXT32): Just cast to int.
175 (SIGN32): Fixed to only shift by 31.
176 (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
179 (init_dsp): Set target_dsp. When it changes, switch end of
180 sh_jump_table with sh_dsp_table.
181 (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
182 Don't Declare PR if it's #defined.
183 Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
184 (sim_store_register, sim_read_register): Translate accesses to
185 reflect saved_state_type change.
187 * interp.c (set_sr): Set sr.
188 (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
189 (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
190 (DSP_R): Fix definition.
191 (sim_resume): Remove outdated SET_SR use.
193 * interp.c (saved_state): New members for struct member asregs:
194 rs, re, insn_end, xram_start, yram_start.
195 (struct loop_bounds): New struct.
196 (SKIP_INSN): New macro.
197 (get_loop_bounds): New function.
198 (endianw): Renamed to global_endianw.
199 (maskw): negated bits.
201 (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
202 (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
203 (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
204 (SIG_BUS_FETCH): Likewise
205 (raise_exception, riat_fast): New functions.
206 (raise_buserror, sim_stop): Use raise_exception.
207 (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
208 (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
209 Reverse sense of mask argument.
210 (FP_OP, set_dr): Use RAISE_EXCEPTION.
211 (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
212 Declare. Remove redundant masking.
213 (wwat_fast, rwat_fast): Add argument endianw. Changed callers.
214 (MA): Updated for change pc -> PC.
215 (Delay_Slot): Use RIAT.
217 (trap): Remove argument little_endian. Add argument endianw.
218 Changed all callers. Use raise_exception.
219 (macw): Add argument endainw. Changed all callers.
220 (init_dsp): New function, extended after broken out of init_pointers.
221 (sim_resume): Replace pc with insn_ptr. Replace little_endian with
222 endianw. Replace nia with nip. Reverse sense of maskb / maskw /
223 maskl. Implement logic for zero-overhead loops. Don't try to
224 interpret garbage when getting a SIGBUS at insn fetch.
225 (sim_open): Call init_dsp.
226 * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
227 RAISE_EXCEPTION where appropriate.
228 Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
230 * interp.c (sim_store_register, sim_fetch_register):
231 Do proper endianness switch.
233 * interp.c (saved_state_type): New members for struct member asregs:
234 xymem_select, xmem, ymem, xmem_offset, ymem_offset.
235 (special_address): Delete.
236 (BUSERROR): Now a two-argument predicate.
237 (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
238 (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
239 (process_wlat_addr, process_wwat_addr): New functions.
240 (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
241 (process_rbat_addr): Likewise.
242 (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
243 (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
244 (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
245 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
246 (do_rdat, trap): Delete SLOW code.
247 (SEXT32, SIGN32): New macros.
248 (swap, swap16): Now integer in - integer out. Changed all callers.
249 (strswaplen, strnswap): Delete SLOW versions.
250 (init_pointers): Initialize dsp memory selection (preliminary).
251 (sim_store_register, sim_fetch_register): Use swap instead of
252 big / little endian read / write functions.
254 * interp.c (maskl): Deleted.
255 (endianw, endianb): New variables.
256 (special_address): Now inline.
257 (bp_holder): Put raising of buserror there, rename to:
259 (BUSERROR): Now yields a value. Changed all users.
261 (wlat_fast, wwat_fast, wbat_fast): New functions.
262 (rlat_fast, rwat_fast, rbat_fast): Likewise.
263 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
264 (do_rdat, do_wdat): Likewise. Take maskl argument instead of
265 little_endian one. Changed caller macros.
266 (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
267 (strswaplen, strnswap): New functions.
268 (trap): Use them to fix up endian mismatches;
269 disable SYS_execve and SYS_execv; fix double address translation for
270 SYS_pipe and SYS_stat.
271 (sym_write, sym_read): Add endianness translation.
272 (sym_store_register, sym_fetch_register): Add maskl local variable.
273 (sim_open): Set endianw and endianb.
275 Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
277 * configure: Regenerated to track ../common/aclocal.m4 changes.
279 Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com>
281 * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
282 union type, instead of casting to an int* then a float*.
283 (fcnvsd FPUL,<DR_N>): Likewise.
284 (flds <FREG_N>,FPUL): Likewise.
285 (fsts FPUL,<FREG_N>): Likewise.
287 1999-05-08 Felix Lee <flee@cygnus.com>
289 * configure: Regenerated to track ../common/aclocal.m4 changes.
291 1999-04-02 Keith Seitz <keiths@cygnus.com>
293 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
294 frequency at which the poll_quit callback is called.
295 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
298 Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
300 * interp.c (saved_state.asregs): Add new member pad_dummy.
301 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
302 as index into saved_state.asints.
304 Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com)
306 * interp.c (sim_open): set endianness based on the ABFD if a -E
307 option is not present and we have an ABFD.
309 Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
311 * configure: Regenerated to track ../common/aclocal.m4 changes.
313 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
315 * configure: Regenerated to track ../common/aclocal.m4 changes.
318 Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com>
320 * acconfig.h: New file.
321 * configure.in: Reverted change of Apr 24; use sinclude again.
323 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
325 * configure: Regenerated to track ../common/aclocal.m4 changes.
328 Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com>
330 * configure.in: Don't call sinclude.
332 Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
334 * configure: Regenerated to track ../common/aclocal.m4 changes.
336 Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
338 * configure: Regenerated to track ../common/aclocal.m4 changes.
340 Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
342 * configure: Regenerated to track ../common/aclocal.m4 changes.
344 Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
346 * configure: Regenerated to track ../common/aclocal.m4 changes.
348 Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com>
350 * interp.c (sim_fetch_register, sim_store_register): Pass in
351 length parameter. Return -1.
353 Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
355 * configure: Regenerated to track ../common/aclocal.m4 changes.
357 Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
359 * configure: Regenerated to track ../common/aclocal.m4 changes.
361 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
363 * configure: Regenerated to track ../common/aclocal.m4 changes.
365 Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
367 * configure: Regenerated to track ../common/aclocal.m4 changes.
370 Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
372 * configure: Regenerated to track ../common/aclocal.m4 changes.
374 Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
376 * interp.c (sim_load): Pass lma_p and sim_write args to
379 Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
381 * configure: Regenerated to track ../common/aclocal.m4 changes.
383 Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
385 * configure: Regenerated to track ../common/aclocal.m4 changes.
387 Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
389 * configure: Regenerated to track ../common/aclocal.m4 changes.
391 Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
393 * configure: Regenerated to track ../common/aclocal.m4 changes.
395 Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
397 * configure: Regenerated to track ../common/aclocal.m4 changes.
399 Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
401 * configure: Regenerated to track ../common/aclocal.m4 changes.
403 Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com>
405 * interp.c (sim_resume): poll_quit() at least once per call;
406 otherwise gdb can loop sim_resume() uninterruptably.
408 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
410 * configure: Regenerated to track ../common/aclocal.m4 changes.
412 Tue Sep 2 13:15:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
414 * gencode.c (tab): Order instructions according to SH3 document.
416 Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
418 * configure: Regenerated to track ../common/aclocal.m4 changes.
421 Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
423 * interp.c (sim_kill): Delete.
424 (sim_create_inferior): Add ABFD argument.
425 (sim_load): Move setting of PC from here.
426 (sim_create_inferior): To here.
428 Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
430 * configure: Regenerated to track ../common/aclocal.m4 changes.
433 Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
435 * interp.c (sim_open): Add ABFD argument.
437 Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
439 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
443 Mon Jun 23 15:02:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
445 * interp.c (XD, SET_XD): Delete.
446 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
449 * gencode.c (fmov): Update.
451 Sun Jun 22 19:33:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
453 * interp.c (set_fpscr1): From J"orn Rennecke
454 <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
456 Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
458 * interp.c (special_address): New function.
459 (BUSERROR): Call it. Added parameters bits_written and data.
461 * gencode.c (tab): Fixed ocbwb and pref.
463 Fri Jun 20 22:03:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
465 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
467 Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
469 * interp.c (sim_create_inferior): Clear registers each time an
472 Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
474 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
475 when a host doesn't support IEEE FP.
476 (*DP): Provide alternative definition that supports 64bit floating
478 (target_little_endian): Combine little_endian and little_endian_p.
479 (saved_state_type): Make fpscr and sr simple integers.
480 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
481 (set_fpscr1): New function. Handle swapping when PR / FR bits
482 changed. Call via *_FPSCR macro.
483 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
486 * gencode.c (tab): Update.
488 Sun Jun 15 15:22:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
490 * gencode.c (main): Perform basic checks on tab entries.
492 * Makefile.in (gencode): Always compile with -g.
494 Sat Jun 14 13:45:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
496 * gencode.c (gensim): Move ref checking code to before `stuff'.
497 For branches with delay slots refs were not being checked.
499 * interp.c (sim_resume): Use nia to specify the next instruction
500 address instead of overloading pc.
501 (C): Delete definiton - refer to cycles directly.
502 (SEXT12): New macro - sign extend a 12 bit quantity.
503 (Delay_Slot): Rename from SL.
505 * gencode.c (tab): Update/simplify.
507 * gencode.c (gensim): Better formatting of output code.
508 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
509 (tab): Sort alphabetically. Break `stuff' into multiple lines.
511 Fri Jun 13 22:10:13 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
513 * gencode.c (braf, bsrf): Fix branch destination calculation to
514 be in accordance with the documentation.
516 Fri Jun 13 15:33:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
518 * interp.c (init_pointers): Fix little endian test.
520 Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
522 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
523 * gencode (fmov from/to memory): take endian_mismatch into account
524 for 32 bit moves too.
526 Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
528 * gencode.c (swap.b): Fix treatment of high word.
530 Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
533 * interp.c: experimental SH4 support.
534 DFmode moves are probaly broken for target little endian.
536 Tue May 20 10:23:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
538 * interp.c (sim_open): Add callback argument.
539 (sim_set_callbacks): Delete SIM_DESC argument.
541 Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com>
543 * Makefile.in (SIM_EXTRA_CLEAN): Define.
544 (clean targets): Delete.
545 (sh-clean): New target.
547 Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
549 * configure: Regenerated to track ../common/aclocal.m4 changes.
551 Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com>
553 * tconfig.in: New file.
554 * interp.c (sim_open): Handle missing arg to -E.
556 Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com)
558 * Makefile.in: Add clean targets.
560 Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
562 * interp.c: Include float.h and define SIGTRAP if _WIN32.
564 * (trap): Do do SYS_chown for _WIN32.
566 Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
568 * interp.c (sim_resume): Fix argument to poll_quit.
570 Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
572 * interp.c (sim_stop): New function.
573 (sim_resume): Use poll_quit for polling.
575 Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
577 * Makefile.in (SIM_OBJS): Add sim-load.o.
578 * interp.c (target_byte_order): Delete.
579 (sim_kind, myname, little_endian_p): New static locals.
580 (init_pointers): Use little_endian_p instead of target_byte_order.
581 (sim_resume): Likewise.
582 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
583 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
584 load file into simulator. Set start address from bfd.
585 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
587 Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
589 * configure: Regenerated to track ../common/aclocal.m4 changes.
592 Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
594 * interp.c (sim_open): New arg `kind'.
596 * configure: Regenerated to track ../common/aclocal.m4 changes.
598 Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
600 * configure: Regenerated to track ../common/aclocal.m4 changes.
602 Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
604 * interp.c (sim_do_command): Check for NULL command or empty
605 string and handle it the same as a "help" command. Use callback
606 to print error message for unrecognized commands. Replace
607 hardcoded tab in literal string with a \t. Other minor code
610 Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
612 * configure: Regenerated to track ../common/aclocal.m4 changes.
614 Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
616 * configure: Re-generate.
618 Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
620 * configure: Regenerate to track ../common/aclocal.m4 changes.
622 Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
624 * interp.c (sim_open): New SIM_DESC result. Argument is now
626 (other sim_*): New SIM_DESC argument.
628 Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
630 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
631 COMMON_{PRE,POST}_CONFIG_FRAG instead.
632 * configure.in: sinclude ../common/aclocal.m4.
633 * configure: Regenerated.
635 Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
637 * configure configure.in Makefile.in: Update to new configure
638 scheme which is more compatible with WinGDB builds.
639 * configure.in: Improve comment on how to run autoconf.
640 * configure: Re-run autoconf to get new ../common/aclocal.m4.
641 * Makefile.in: Use autoconf substitution to install common
644 Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
646 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
647 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
648 * configure.in: Simplify using macros in ../common/aclocal.m4.
649 Call AC_CHECK_HEADERS(unistd.h).
650 * configure: Regenerated.
651 * config.in: New file.
652 * interp.c: #include "config.h". #include <unistd.h> if present.
653 (trap): Fetch errno value with callback->get_errno.
655 Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
657 * interp.c: Don't include windows polling code if inside simluator.
659 Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
661 * interp.c: Minor formatting improvements.
662 (saved_state_type): Add bank registers.
663 (bp_holder): New function, use to break on when debugging BUSERROR.
664 (BUSERROR): Call it if bus error occurs.
666 Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
668 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
669 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
671 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
672 (AC_PROG_INSTALL): Added.
673 * configure: Rebuilt.
675 Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
677 * interp.c (saved_state_type): Add memstalls field.
679 (sim_resume): New local variable memstalls. Add it back in to
680 saved_state at the end of the function.
681 (sim_info): Report memstalls.
682 * gencode.c (tab): Add MA() to the execution string of all
683 instructions which access memory.
685 Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
687 * configure: Regenerate with autoconf 2.7.
689 Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
691 * gencode.c (mac.l): Don't abort GDB if executing mac.l
692 instruction (which is unimplemented). Generate a SIGTRAP (in the
693 simulated target) instead.
695 Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
697 * gencode.c (tab): Added several sh3 opcodes.
698 (think): Added printonmatch for A_SSR and A_SPC.
699 * interp.c (SSR, SPC): Added definitions.
700 (saved_state_type): Added ssr and spc registers.
702 Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
704 * gencode.c (tab): In shad/shld definitions, negate R[m] before
705 the and operation instead of after. For shad delete cast. For shld
706 use UR instead of R and delete cast.
708 Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
710 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
712 Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
714 * interp.c: Make target_byte_order be extern to prevent SGI cc from
715 issuing warnings about the use of common symbols.
717 Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
719 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
722 Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
724 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
726 (sim_get_quit_code): Delete.
728 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
731 Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
733 * interp.c (saved_state_type): Move FP registers to immediately
736 Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
738 * Makefile.in (BISON): Remove macro.
740 Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
742 * interp.c (trap, case SYS_utime): Cast second arg of utime to
743 void * to avoid compiler error.
745 * interp.c (callback): Remove last change. It is initialized by
746 a sim_set_callbacks call.
748 Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
750 * interp.c (callback): Initialize to default callback.
752 Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
754 * run.c: Moved to ../common.
755 * interp.c (trap): Use gdb's callback interface.
756 * Makefile.in: Updated.
758 Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
760 * Makefile.in (maintainer-clean): New synonym for realclean.
762 Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
764 * run.c (sim_callback_write_stdout): New.
765 * interp.c (trap): Call sim_callback_write_stdout when needed.
767 Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
769 * interp.c (trap): Remove useless code.
771 Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
773 * syscall.h: Copy from newlib.
775 Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
777 * gencode.c: Back up PC by 2 for breakpoints.
778 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
779 which expect pc to immediatly follow regs[].
781 Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
783 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
784 * configure: Rebuild.
785 * Makefile.in (INSTALL): Revert to using install.sh.
786 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
787 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
788 (CC_FOR_BUILD): Restore.
789 (gencode): Build using $(CC_FOR_BUILD).
790 (install): Don't install in $(tooldir).
792 Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
794 (Try to) Update to new bfd autoconf scheme.
795 * run.c: Don't include sysdep.h.
796 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
797 (CC, CFLAGS, AR, RANLIB): Likewise.
798 (HDEFINES, TDEFINES): Define.
799 (CC_FOR_BUILD): Delete.
800 (host_makefile_frag): Delete.
801 (Makefile): Don't depend on frags.
802 * configure.in (sysdep.h): Don't create symlink.
803 (host_makefile_frag, frags): Deleted.
804 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
805 * configure: Regenerated.
807 Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
809 * interp.c: Include <math.h>.
811 Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
813 * Makefile.in (run): Link in math library too.
814 * gencode.c (gensim): abort if an unknown opcode is encountered.
815 * interp.c (FPSCR, FPUL): Define.
816 (struct save_state): Add fields for floating point registers,
818 (sim_resume): Add 'F' for accessing floating point registers
819 in the save state structure.
820 * gencode.c: Add sh3e opcodes.
821 (gensym): Define a buffer for int<->fp conversions.
823 Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
825 * interp.c (trap): Use trap vector 34 for host system interface.
826 * gencode.c: Add 34 to conditional which determines which traps
827 will be handled by simulator.
829 Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
831 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
832 (main): New variables reason and sigrc. After simulator exits,
833 check to see if it exited because of a signal, and if so, then
834 use the signal number as the return value.
836 Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
838 * Update all FSF addresses except those in COPYING* files.
840 Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
842 * interp.c (trap): Only use SYS_execv if defined. Might be
843 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
844 (sim_resume): In sbit initializer, cast shifted arg to unsigned
845 to avoid signed integer overflow.
847 Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
849 * Makefile.in (clean): Remove run, libsim.a.
850 (distclean, mostlyclean, realclean): Remove Makefile and
855 * Makefile.in, configure.in: converted to autoconf.
856 * configure: New file, generated with autconf 2.4.
858 Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
860 * interp.c (sim_open): If argument supplied, interpret as
862 (parse_and_set_memory_size): New function.
863 (sim_do_command): New function.
865 Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
867 * interp.c (SYS_wait): Define as SYS_wait4 if available and
868 SYS_wait is not already defined (SunOS 4.1.3 for example).
869 (SYS_utime): Define as SYS_utimes if available and
870 SYS_utime is not already defined.
872 Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
874 * interp.c: Don't include sys/times.h or sys/param.h
876 Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
878 * interp.c (SIGBUS, SIGTERM): Define if not.
879 (sim_memory_size): default to 2^19 on PCs.
880 (sim_resume): Poll for quits on win32.
882 Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
884 * gencode.c (op_tab): Add SH3 support.
886 Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
888 * gencode.c (tab): Add bsrf and braf.
890 Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
892 * configure.in: use ../../bfd/hosts/std-host.h, not
893 ../bfd/hosts/std-host.h (which doesn't exist).
895 Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
897 * run.c: parse arguments with getopt().
899 Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
901 * configure.in: Use ../../bfd/hosts/std-host.h if specific
904 Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
906 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
908 Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
910 * gencode.c (op_tab): Make MAC.W call macw, not abort.
911 * interp.c (macw): New function.
914 Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
916 * gencode.c (op_tab): New code for ADDV and SUBV.
917 Make MAC.L abort sicne it is not implemented.
919 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
920 Get rid of __GNUC__ conditional.
922 aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
924 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
925 Change ADDC for symmetry.
927 * gencode.c (op_tab): Replace code for ADDC and SUBC.
929 Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
931 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
932 declare IOMEM before using it.
934 Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
936 * interp.c (BUSERROR): New macro.
937 ([r|w][bwl]at[little|big]) New functions.
938 (sim_resume): If GO32 check for interrupt every now
939 and again. Decrement PC if SIGBUS seen.
940 * run.c (main): Return result of simulated _exit.
942 Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
944 * Makefile.in (gencode): Allow build in different directory.
946 Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
948 * Makefile.in (gencode): Change $< to gencode.c for portability.
950 Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
952 * interp.c ([wr][bwl]at): New functions.
953 (trap): Cope with both byte modes.
955 Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
957 * gencode.c (tab): Simulate T bit after a negc insn right.
958 * interp.c (RSBAT): Sign extend the arg.
959 (ACE_FAST): New macro.
960 (sim_resume): Remove obsolete test of sim_timeout.
962 Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
964 * interp.c (IOMEM): New function, simulates very basic I/O area of
966 (WBAT, RBAT) : Call I/O functions.
967 * gencode.c (tab): Special case trapa #3.
969 Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
971 * run.c (main): Specify the file type again.
973 Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
975 * interp.c (trap): Fix irix incompatibility.
976 * run.c (main): open without specifying file type.
978 Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
980 * interp.c (sim_*): Make result void where there isn't one.
981 (sim_set_pc): Delete.
982 (sim_info): Delete printf_fn arg, all callers changed.
983 Call printf_filtered instead.
984 (sim_close): New function.
985 (sim_load): New function.
986 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
987 * run.c: #include <varargs.h>, "remote-sim.h".
988 (printf_filtered): New function.
990 Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
992 * gencode.c (table): Get direction of some opcodes right.
993 (trapa, rte): Implement fully.
994 * interp.c (trap): Make stat call more portable.
996 Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
998 * gencode.c (main, gendefines): New -d option prints table of defines.
999 * interp.c (trap): Add a load of system calls.
1000 (sim_memory_size): Now default to 8Mbyte.
1001 (PARANOID): Keep vector of registers with undefined contents.
1003 Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
1005 * gencode.c: mova uses aligned addresses
1006 * interp.c (trap): Return results in r0.
1008 Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
1010 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
1011 * interp.c: #include "remote-sim.h".
1012 (sim_resume): int result, new arg `siggnal'.
1013 (sim_write): Use SIM_ADDR for type of arg `addr'.
1014 (sim_read): Use SIM_ADDR for type of arg `addr'.
1015 Use unsigned char * for `buffer'.
1016 (sim_store_register): int result.
1017 (sim_fetch_register): Ditto.
1018 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
1019 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
1020 (sim_info): int result, new args `verbose', `printf_fn'.
1021 (sim_kill): int result.
1022 (sim_open): int result, new arg `name'.
1023 * run.c: #include <stdio.h>
1024 (main): Update call to sim_info.
1026 Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
1028 * interp.c (sim_stop_signal): Result is now enum sim_stop.
1030 Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1032 * gencode.c (table): Becomes unsigned.
1033 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
1034 sim_read): Return number of bytes copied. (sim_store_register):
1035 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
1037 Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
1039 * interp.c (sim_info): Fix small typo in printf string.
1041 Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
1043 * interp.c (sim_resume): Set memory after pointers inited.
1045 Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1047 * interp.c (get_now): Use time system call.
1048 * Makefile.in: install correctly.
1050 Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1052 * run.c (main), interp.c (sim_set_timeout): Remove timeout
1055 Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
1057 * Makefile.in: don't run indent everytime; also add a space in the
1060 Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1062 * gencode.c: Fix some opcodes.
1063 * interp.c: Support for profiling and portability fixes.
1064 * run.c (main): Get profiling args.
1066 Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
1068 * gencode.c (tab): Lint for sgi compiler
1069 * interp.c: Lint for sgi compiler.
1071 Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1073 * run.c (main): Support for resizing simulated RAM.
1074 * Makefile.in: Support for broken makes.
1075 * interp.c, gencode.c: Lint.
1077 Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)