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CommitLineData
57df9adf
OE		 12014-10-14 Oleg Endo <olegendo@gcc.gnu.org> (tiny patch)
2
3 * gencode.c (fabs, fneg): Implement as integer operation
4 instead of using the FP_UNARY macro.
5
2974be62
AM		 62014-08-19 Alan Modra <amodra@gmail.com>
7
8 * configure: Regenerate.
9
faa743bb
RM		 102014-08-15 Roland McGrath <mcgrathr@google.com>
11
12 * configure: Regenerate.
13 * config.in: Regenerate.
14
60d847df
MF		 152014-03-10 Mike Frysinger <vapier@gentoo.org>
16
17 * interp.c (parse_and_set_memory_size): Add const to str.
18 (sim_do_command): Add const to cmd and sms_cmd.
19
b2b255bd
MF		 202014-03-05 Mike Frysinger <vapier@gentoo.org>
21
22 * interp.c (sim_load): Add const to prog.
23
ef3e8cf7
MF		 242014-02-17 Mike Frysinger <vapier@gentoo.org>
25
26 PR gdb/16450
27 * interp.c (control_c): Delete.
28 (sim_resume): Delete signal(SIGINT) handling.
29
bf3d9781
AM		 302013-09-23 Alan Modra <amodra@gmail.com>
31
32 * configure: Regenerate.
33
31e6ad7d
MF		 342013-06-03 Mike Frysinger <vapier@gentoo.org>
35
36 * aclocal.m4, configure: Regenerate.
37
5f3ef9d0
JB		 382012-06-15 Joel Brobecker <brobecker@adacore.com>
39
40 * config.in, configure: Regenerate.
41
2232061b
MF		 422012-03-24 Mike Frysinger <vapier@gentoo.org>
43
44 * aclocal.m4, config.in, configure: Regenerate.
45
f95586a4
KB		 462012-02-16 Kevin Buettner <kevinb@redhat.com>
47
48 * interp.c (MA): Adjust cast to avoid warning on 64-bit hosts.
49
50 * interp.c (sim_store_register, sim_fetch_register): Return
51 length, not -1.
52
db2e4d67
MF		 532011-12-03 Mike Frysinger <vapier@gentoo.org>
54
55 * aclocal.m4: New file.
56 * configure: Regenerate.
57
9c082ca8
MF		 582011-10-17 Mike Frysinger <vapier@gentoo.org>
59
60 * configure.ac: Change include to common/acinclude.m4.
61
6ffe910a
MF		 622011-10-17 Mike Frysinger <vapier@gentoo.org>
63
64 * configure.ac: Change AC_PREREQ to 2.64. Delete AC_CONFIG_HEADER
65 call. Replace common.m4 include with SIM_AC_COMMON.
66 * configure: Regenerate.
67
af9f7da7
MF		 682011-04-16 Mike Frysinger <vapier@gentoo.org>
69
70 * interp.c (sim_complete_command): New stub function.
71
5558e7e6
MF		 722010-04-14 Mike Frysinger <vapier@gentoo.org>
73
74 * interp.c (sim_write): Add const to buffer arg.
75
22e041e2
MM		 762010-01-12 Masaki Muranaka <monaka@monami-software.com>
77
78 * interp.c: Don't include sysdep.h.
79 Include stdio.h and errno.h.
80 Include string.h strings.h stdlib.h sys/stat.h if present.
81
3725885a
RW		 822010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
83
84 * configure: Regenerate.
85
d6416cdc
RW		 862009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
87
81ecdfbb
RW		 88 * config.in: Regenerate.
89 * configure: Likewise.
90
d6416cdc
RW		 91 * configure: Regenerate.
92
b5bd9624
HPN		 932008-07-11 Hans-Peter Nilsson <hp@axis.com>
94
95 * configure: Regenerate to track ../common/common.m4 changes.
96 * config.in: Ditto.
97
6efef468
JM		 982008-06-06 Vladimir Prus <vladimir@codesourcery.com>
99 Daniel Jacobowitz <dan@codesourcery.com>
100 Joseph Myers <joseph@codesourcery.com>
101
102 * configure: Regenerate.
103
f3876f69
AS		 1042008-02-04 Antony King <antony.king@st.com>
105
106 * interp.c (macl): Fix non-portable implementation.
107
4d439271
DP		 1082007-10-08 Andrew Stubbs <andrew.stubbs@st.com>
109
110 * gencode.c (tab): Add RAISE_EXCEPTION_IF_IN_DELAY_SLOT to the
111 definition of PC relative 'mov.l'/'mov.w' and also 'mova'.
112
6a1754a3
DJ		 1132007-03-02 Andrew Stubbs <andrew.stubbs@st.com>
114
115 * gencode.c (tab): Correct pre-decrement instructions when m == n.
116
edc5d9ec
HPN		 1172006-12-21 Hans-Peter Nilsson <hp@axis.com>
118
119 * acconfig.h: Remove.
120 * config.in: Regenerate.
121
e85e3205
RE		 1222006-06-13 Richard Earnshaw <rearnsha@arm.com>
123
124 * configure: Regenerated.
125
2f0122dc
DJ		 1262006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
127
128 * configure: Regenerated.
129
20e95c23
DJ		 1302006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
131
132 * configure: Regenerated.
133
72a37d8d
AS		 1342005-11-10 Andrew Stubbs <andrew.stubbs@st.com>
135
136 * interp.c (sim_memory_size): Use same amount of memory on Windows as
137 elsewhere.
138
6a8492b5
JR		 1392005-09-19 J"orn Rennecke <joern.rennecke@st.com>
140
141 * interp.c (<sys/mman.h>): Include.
142 (mcalloc): New function / macro.
143 (mfree): New macro.
144 (sim_size): Use mcalloc and mfree.
145
63bee803
JR		 1462005-08-02 J"orn Rennecke <joern.rennecke@st.com>
147
148 * interp.c (strswaplen): Add one for '\0' delimiter.
149
195b8a57
DJ		 1502005-06-16 Daniel Jacobowitz <dan@codesourcery.com>
151
152 * gencode.c (tab): Avoid lvalue casts. Suggested by
153 Ralf Corsepius <ralf.corsepius@rtems.org>.
154
53f541af
JL		 1552005-04-12 Jonathan Larmour <jifl@eCosCentric.com>
156
157 * gencode.c (tab): Avoid inserting code before variables all declared.
158
2b193c4a
MK		 1592005-03-23 Mark Kettenis <kettenis@gnu.org>
160
161 * configure: Regenerate.
162
35695fd6
AC		 1632005-01-14 Andrew Cagney <cagney@gnu.org>
164
165 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
166 explicit call to AC_CONFIG_HEADER.
167 * configure: Regenerate.
168
f0569246
AC		 1692005-01-12 Andrew Cagney <cagney@gnu.org>
170
171 * configure.ac: Update to use ../common/common.m4.
172 * configure: Re-generate.
173
38f48d72
AC		 1742005-01-11 Andrew Cagney <cagney@localhost.localdomain>
175
176 * configure: Regenerated to track ../common/aclocal.m4 changes.
177
b7026657
AC		 1782005-01-07 Andrew Cagney <cagney@gnu.org>
179
180 * configure.ac: Rename configure.in, require autoconf 2.59.
181 * configure: Re-generate.
182
379832de
HPN		 1832004-12-08 Hans-Peter Nilsson <hp@axis.com>
184
185 * configure: Regenerate for ../common/aclocal.m4 update.
186
ae0a84af
CV		 1872004-09-08 DJ Delorie <dj@redhat.com>
188
189 Commited by Corinna Vinschen <vinschen@redhat.com>
190 * gencode.c (movua.l): Compensate for endianness.
191
1922004-09-08 Corinna Vinschen <vinschen@redhat.com>
193
194 * interp.c (RAISE_EXCEPTION_IF_IN_DELAY_SLOT): New macro.
195 (in_delay_slot): New flag variable.
196 (Delay_Slot): Set in_delay_slot.
197 (sim_resume): Reset in_delay_slot after leaving code switch.
198 * gencode.c (op tab): Call RAISE_EXCEPTION_IF_IN_DELAY_SLOT for all
199 instructions not allowed in delay slots.
200
2012004-09-08 Michael Snyder <msnyder@redhat.com>
202
203 Commited by Corinna Vinschen <vinschen@redhat.com>
204 Introduce SH2a support.
205 * interp.c: Change type of jump table to short. Add various macros.
206 (sim_load): Save the bfd machine code.
207 (sim_create_inferior): Ditto.
208 (union saved_state_type): Add tbr, ibnr and ibcr registers.
209 Move bfd_mach to end of struct. Add regstack pointer.
210 (init_dsp): Don't swap contents of sh_dsp_table any more. Instead
211 use it directly in its own switch statement. Allocate space for 512
212 register banks.
213 (do_long_move_insn): New function.
214 (do_blog_insn): Ditto.
215 (trap): Use trap #13 and trap #14 to set ibnr and ibcr.
216 * gencode.c: Move movx/movy insns into separate switch statement.
217 (op tab): Add sh2a insns. Reject instructions that are disabled
218 on that chip.
219 (gensim_caselist): Generate default case here instead of in caller.
220 (gensim): Generate two separate switch statements. Call
221 gensim_caselist once for each (for movsxy_tab and for tab).
222 Add tokens for r15 and multiple regs.
223 (conflict_warn, warn_conflicts): Add for debugging.
224
a134f341
JR		 2252004-08-18 J"orn Rennecke <joern.rennecke@superh.com>
226
227 * gencode.c (tab): For shad snd shld, fix result for
228 (op1 < 0 && shift_amount == 0).
229
915213a4
MS		 2302004-02-02 Michael Snyder <msnyder@redhat.com>
231
232 * gencode.c (movua.l): Set thislock to 0, not n.
233
3e511797
MS		 2342004-02-12 Michael Snyder <msnyder@redhat.com>
235
236 * gencode.c (table): Change from char to short.
237 (dumptable): Change generated table from char to short.
238 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): char to short.
239 (init_dsp): Compute size of sh_dsp_table.
240 (sim_resume): Change jump_table from char to short.
241
4ae0cff4
MS		 2422004-01-27 Michael Snyder <msnyder@redhat.com>
243
0145ab2e
MS		 244 * gencode.c: (op tab): Some refs and defs fixes.
245 "fsrra" -> "fsrra <FREG_N>".
246 "sleep": replace array ref with array addr.
247 "trapa": ditto.
248 Comment and whitespace clean-ups.
4ae0cff4 249
86bc60eb
MS		 2502004-01-07 Michael Snyder <msnyder@redhat.com>
251
87acb4a7
MS		 252 * gencode.c: Whitespace cleanup.
253 * interp.c: Ditto.
254
86bc60eb
MS		 255 * gencode.c: Replace 'Hitachi' with 'Renesas'.
256 (op tab): Add new instructions for sh4a, DBR, SBR.
257 (expand_opcode): Add handling for new movxy combinations.
258 (gensym_caselist): Ditto.
259 (expand_ppi_movxy): Remove movx/movy expansions,
260 now handled in expand_opcode.
261 (gensym): Add some helpful macros.
262 (expand_ppi_code): Flatten loop for simplicity, tweak for 12-bit
263 instead of 8-bit table (some insns are ambiguous to 8 bits).
264 (ppi_gensim, main): Generate 12-bit instead of 8-bit ppi table.
265
266 * interp.c: Replace 'Hitachi' with 'Renesas'.
267 (union saved_state_type): Add dbr, sgr, ldst.
268 (get_loop_bounds_ext): New function.
269 (init_dsp): Add bfd_mach_sh4al_dsp.
270 (sim_resume): Handle extended loop bounds.
271
673fc5d0
MS		 2722003-12-18 Michael Snyder <msnyder@redhat.com>
273
274 * gencode.c (expand_opcode): Simplify and reorganize.
275 Eliminate "shift" parameter. Eliminate "4 bits at a time"
276 assumption. Flatten switch statement to a single level.
277 Add "eeee" token for even-numbered registers.
278 (bton): Delete.
279 (fsca): Use "eeee" token.
280 (ppi_moves): Rename to "expand_ppi_movxy". Do the ddt
281 [movx/movy] expansion here, as well as the ppi expansion.
282 (gensim_caselist): Accept 'eeee' along with 'nnnn'.
283
794cd17b
JR		 2842003-11-03 J"orn Rennecke <joern.rennecke@superh.com>
285
286 * interp.c (fsca_s, fsrra_s): New functions.
287 * gencode.c (tab): Add entries for fsca and fsrra.
288 (expand_opcode): Allow variable length n / m fields.
289
8822d001
JR		 2902003-10-15 J"orn Rennecke <joern.rennecke@superh.com>
291
292 * syscall.h (SYS_truncate, SYS_ftruncate): Define.
293 * interp.c (trap): Add support for SYS_ftruncate and SYS_truncate.
294
d1789ace
MS		 2952003-08-11 Shrinivas Atre <shrinivasa@KPITCummins.com>
296 * sim/sh/gencode.c ( tab[] ): Addition of MAC.L handler and
297 correction for MAC.W handler
298 * sim/sh/interp.c ( macl ): New Function. Implementation of
299 MAC.L handler.
300
240f98d3
MS		 3012003-08-07 Michael Snyder <msnyder@redhat.com>
302
303 * gencode.c (expand_ppi_code): Comment spelling fix.
304
437b0e60
MS		 3052003-07-25 Michael Snyder <msnyder@redhat.com>
306
307 * gencode.c (pshl): Change < to <= (shift by 16 is allowed).
308 Cast argument of >> to unsigned to prevent sign extension.
309 (psha): Change < to <= (shift by 32 is allowed).
310
32fcda6a
MS		 3112003-07-24 Michael Snyder <msnyder@redhat.com>
312
313 * gencode.c: Fix typo in comment.
314
e343a93a
MS		 3152003-07-23 Michael Snyder <msnyder@redhat.com>
316
317 * gencode.c: A few more fix-ups of refs and defs.
318 (frchg): Raise SIGILL if in double-precision mode.
319 (ldtlb): We don't simulate cache, so this is a no-op.
320 (movsxy_tab): Correct a few bit pattern errors.
321
c13a4caa
MS		 3222003-07-09 Michael Snyder <msnyder@redhat.com>
323
1b606171 324 * gencode.c (prnd): Clear LSW of result to zeros.
fcfae95c 325 * gencode.c (pmuls): Expression is mis-parenthesized.
c13a4caa
MS		 326 * gencode.c (ppi_gensim): For a conditional ppi insn, if the
327 condition is false, we want to return (not break). A break
328 will take us to the end of the function where registers will
329 be updated, whereas the desired outcome is for nothing to change.
330
e53a5a69
MS		 3312003-07-03 Michael Snyder <msnyder@redhat.com>
332
333 * gencode.c (movs): Fix a couple of text transpositions.
334
15dee5d5
MS		 3352003-06-27 Michael Snyder <msnyder@redhat.com>
336
b939d772
MS		 337 * gencode.c (op tab): Some fix-ups of refs and defs.
338 (ocbi, ocbp): Cache not simulated, but may cause memory fault.
339 (gensym_caselist): Add default case to switch statement.
340 (expand_ppi_code): Add default case to switch statement.
d2f18ae4 341 * gencode.c (op tab): Implement movca.l.
9e1d0fc1 342 * gencode.c (op movsxy_tab): Fix an error in the bit pattern.
15dee5d5
MS		 343 * gencode.c (gensim_caselist): The movy instructions use
344 registers R6 and R7 (not R4 and R5 like the movx insns).
345
8dc30ef7
MS		 3462003-06-27 Michael Snyder <msnyder@redhat.com>
347
0b282859
MS		 348 * gencode.c (op movsxy_tab): Fix up some copy/paste errors
349 in name: s/REG_x/REG_y/.
350
8dc30ef7
MS		 351 * gencode.c (op tab): Move misplaced semicolon.
352
6b4a8935
AC		 3532003-02-27 Andrew Cagney <cagney@redhat.com>
354
355 * interp.c (init_dsp, sim_open, sim_create_inferior): Rename _bfd
356 to bfd.
357
fd8f4948
JR		 358Fri Oct 11 16:22:28 2002 J"orn Rennecke <joern.rennecke@superh.com>
359
360 * interp.c (trap): Return int. Take extra parameter for address
361 of the trap instruction. Changed all callers.
362 Add case 33 for profiling.
363 * gencode.c (trapa): Handle trap 33 using the trap function.
364 Add read of vector for generic traps.
365
2f14585c
JR		 366Wed Jul 17 19:36:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
367
368 * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
369 * interp.c: Include "gdb/sim-sh.h".
370 (sim_store_register, sim_fetch_register): Use constants defined there.
371
dc9feb5c
JR		 372Tue Jun 18 16:53:11 2002 J"orn Rennecke <joern.rennecke@superh.com>
373
374 * interp.c (sim_resume): Fix setting of bus error for
375 instruction fetch.
376
c8cca39f
AC		 3772002-06-16 Andrew Cagney <ac131313@redhat.com>
378
379 * configure: Regenerated to track ../common/aclocal.m4 changes.
380
3c25f8c7
AC		 3812002-06-08 Andrew Cagney <cagney@redhat.com>
382
383 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
384
de0492b6
AO		 3852001-01-30 Ben Elliston <bje@redhat.com>
386
387 * interp.c (sim_create_inferior): Record program arguments for
388 later inspection by the trap handler.
389 (count_argc): New function.
390 (prog_argv): Declare static.
391 (sim_write): Declare.
392 (trap): Implement argc, argnlen and argn system calls. Do not
393 abort on unknown system calls--simply return -1.
394 * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
395
55406459
AO		 3962001-01-24 Alexandre Oliva <aoliva@redhat.com>
397
398 * interp.c (trap): Implement time.
399
8f1e3ff5
BE		 4002000-10-24 Ben Elliston <bje@redhat.com>
401
402 * gencode.c (tab): Delimit strings with commas where applicable.
403
eb2d80b4
AC		 404Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
405
406 * configure: Regenerated to track ../common/aclocal.m4 changes.
407
63978407
JR		 408Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
409
410sh-dsp support, simulator speedup by using host byte order:
411
412 * Makefile.in (interp.o): Depends on ppi.c .
413 (ppi.c): New rule.
414 * gencode.c (printonmatch, think, genopc): Deleted.
415 (MAX_NR_STUFF): Now 42.
416 (tab): Add SH-DSP CPU instructions.
417 Amalgamate ldc / stc / lds / sts instructions with similar
418 bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
419 Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
420 (movsxy_tab): New array.
421 For movs, change MMMM field to GGGG, and mmmm field to MMMM.
422 Added entries for movx, movy and parallel processing insns.
423 (ppi_tab): New array.
424 (qfunc): Stabilize sort.
425 (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
426 Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
427 (dumptable): Now takes three arguments. Changed all callers.
428 Emit just one contigous jump table.
429 (filltable): Now takes an argument. Changed all callers.
430 Make index static.
431 (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
432 (gensim_caselist): New function, broken out of gensim.
433 Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
434 Handle ref '9'.
435 (gensim): Handle 'N' in code field and '8' in refs field.
436 Call gensim_caselist - twice.
437 (ppi_index): New static variable.
438 (main): Unsupport default action.
439 Add dsp support for -x / -s option. Add -p option.
440 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
441 (saved_state_type): Rearrange to allow amalgamated ldc / stc /
442 lds / sts to work efficiently.
443 (target_dsp): New static variable.
444 (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
445 (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
446 (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
447 (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
448 (set_fpscr1): Likewise. Use target_dsp to check for dsp.
449 (MOD_MSi, SIG_BUS_FETCH): Deleted.
450 (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
451 (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
452 (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
453 of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
454 (set_sr): Reflect saved_state_type change. Fix SR_RB handling.
455 Use SET_MOD.
456 (MA, L, TL, TB): Now controlled by ACE_FAST.
457 (SEXT32): Just cast to int.
458 (SIGN32): Fixed to only shift by 31.
459 (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
460 (ppi_insn): Declare.
461 (ppi.c): Include.
462 (init_dsp): Set target_dsp. When it changes, switch end of
463 sh_jump_table with sh_dsp_table.
464 (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
465 Don't Declare PR if it's #defined.
466 Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
467 (sim_store_register, sim_read_register): Translate accesses to
468 reflect saved_state_type change.
469
470 * interp.c (set_sr): Set sr.
471 (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
472 (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
473 (DSP_R): Fix definition.
474 (sim_resume): Remove outdated SET_SR use.
475
476 * interp.c (saved_state): New members for struct member asregs:
477 rs, re, insn_end, xram_start, yram_start.
478 (struct loop_bounds): New struct.
479 (SKIP_INSN): New macro.
480 (get_loop_bounds): New function.
481 (endianw): Renamed to global_endianw.
482 (maskw): negated bits.
483 (PC): Now insn_ptr.
484 (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
485 (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
486 (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
487 (SIG_BUS_FETCH): Likewise
488 (raise_exception, riat_fast): New functions.
489 (raise_buserror, sim_stop): Use raise_exception.
490 (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
491 (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
492 Reverse sense of mask argument.
493 (FP_OP, set_dr): Use RAISE_EXCEPTION.
494 (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
495 Declare. Remove redundant masking.
496 (wwat_fast, rwat_fast): Add argument endianw. Changed callers.
497 (MA): Updated for change pc -> PC.
498 (Delay_Slot): Use RIAT.
499 (empty): Deleted.
500 (trap): Remove argument little_endian. Add argument endianw.
501 Changed all callers. Use raise_exception.
502 (macw): Add argument endainw. Changed all callers.
503 (init_dsp): New function, extended after broken out of init_pointers.
504 (sim_resume): Replace pc with insn_ptr. Replace little_endian with
505 endianw. Replace nia with nip. Reverse sense of maskb / maskw /
506 maskl. Implement logic for zero-overhead loops. Don't try to
507 interpret garbage when getting a SIGBUS at insn fetch.
508 (sim_open): Call init_dsp.
509 * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
510 RAISE_EXCEPTION where appropriate.
511 Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
512
513 * interp.c (sim_store_register, sim_fetch_register):
514 Do proper endianness switch.
515
516 * interp.c (saved_state_type): New members for struct member asregs:
517 xymem_select, xmem, ymem, xmem_offset, ymem_offset.
518 (special_address): Delete.
519 (BUSERROR): Now a two-argument predicate.
520 (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
521 (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
522 (process_wlat_addr, process_wwat_addr): New functions.
523 (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
524 (process_rbat_addr): Likewise.
525 (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
526 (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
527 (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
528 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
529 (do_rdat, trap): Delete SLOW code.
530 (SEXT32, SIGN32): New macros.
531 (swap, swap16): Now integer in - integer out. Changed all callers.
532 (strswaplen, strnswap): Delete SLOW versions.
533 (init_pointers): Initialize dsp memory selection (preliminary).
534 (sim_store_register, sim_fetch_register): Use swap instead of
535 big / little endian read / write functions.
536
537 * interp.c (maskl): Deleted.
538 (endianw, endianb): New variables.
539 (special_address): Now inline.
540 (bp_holder): Put raising of buserror there, rename to:
541 (raise_buserror).
542 (BUSERROR): Now yields a value. Changed all users.
543 (wbat_big): Delete.
544 (wlat_fast, wwat_fast, wbat_fast): New functions.
545 (rlat_fast, rwat_fast, rbat_fast): Likewise.
546 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
547 (do_rdat, do_wdat): Likewise. Take maskl argument instead of
548 little_endian one. Changed caller macros.
549 (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
550 (strswaplen, strnswap): New functions.
551 (trap): Use them to fix up endian mismatches;
552 disable SYS_execve and SYS_execv; fix double address translation for
553 SYS_pipe and SYS_stat.
554 (sym_write, sym_read): Add endianness translation.
555 (sym_store_register, sym_fetch_register): Add maskl local variable.
556 (sim_open): Set endianw and endianb.
557
d4f3574e
SS		 558Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
559
560 * configure: Regenerated to track ../common/aclocal.m4 changes.
561
104c1213
JM		 562Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com>
563
564 * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
565 union type, instead of casting to an int* then a float*.
566 (fcnvsd FPUL,<DR_N>): Likewise.
567 (flds <FREG_N>,FPUL): Likewise.
568 (fsts FPUL,<FREG_N>): Likewise.
569
cd0fc7c3
SS		 5701999-05-08 Felix Lee <flee@cygnus.com>
571
572 * configure: Regenerated to track ../common/aclocal.m4 changes.
573
7a292a7a
SS		 5741999-04-02 Keith Seitz <keiths@cygnus.com>
575
576 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
577 frequency at which the poll_quit callback is called.
578 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
579 hard-coded value.
580
c906108c
SS		 581Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
582
583 * interp.c (saved_state.asregs): Add new member pad_dummy.
584 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
585 as index into saved_state.asints.
586
587Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com)
588
589 * interp.c (sim_open): set endianness based on the ABFD if a -E
590 option is not present and we have an ABFD.
591
592Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
593
594 * configure: Regenerated to track ../common/aclocal.m4 changes.
595
596Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
597
598 * configure: Regenerated to track ../common/aclocal.m4 changes.
599 * config.in: Ditto.
600
601Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com>
602
603 * acconfig.h: New file.
604 * configure.in: Reverted change of Apr 24; use sinclude again.
605
606Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
607
608 * configure: Regenerated to track ../common/aclocal.m4 changes.
609 * config.in: Ditto.
610
611Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com>
612
613 * configure.in: Don't call sinclude.
614
615Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
616
617 * configure: Regenerated to track ../common/aclocal.m4 changes.
618
619Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
620
621 * configure: Regenerated to track ../common/aclocal.m4 changes.
622
623Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
624
625 * configure: Regenerated to track ../common/aclocal.m4 changes.
626
627Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
628
629 * configure: Regenerated to track ../common/aclocal.m4 changes.
630
631Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com>
632
633 * interp.c (sim_fetch_register, sim_store_register): Pass in
634 length parameter. Return -1.
635
636Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
637
638 * configure: Regenerated to track ../common/aclocal.m4 changes.
639
640Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
641
642 * configure: Regenerated to track ../common/aclocal.m4 changes.
643
644Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
645
646 * configure: Regenerated to track ../common/aclocal.m4 changes.
647
648Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
649
650 * configure: Regenerated to track ../common/aclocal.m4 changes.
651 * config.in: Ditto.
652
653Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
654
655 * configure: Regenerated to track ../common/aclocal.m4 changes.
656
657Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
658
659 * interp.c (sim_load): Pass lma_p and sim_write args to
660 sim_load_file.
661
662Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
663
664 * configure: Regenerated to track ../common/aclocal.m4 changes.
665
666Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
667
668 * configure: Regenerated to track ../common/aclocal.m4 changes.
669
670Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
671
672 * configure: Regenerated to track ../common/aclocal.m4 changes.
673
674Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
675
676 * configure: Regenerated to track ../common/aclocal.m4 changes.
677
678Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
679
680 * configure: Regenerated to track ../common/aclocal.m4 changes.
681
682Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
683
684 * configure: Regenerated to track ../common/aclocal.m4 changes.
685
686Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com>
687
688 * interp.c (sim_resume): poll_quit() at least once per call;
689 otherwise gdb can loop sim_resume() uninterruptably.
690
691Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
692
693 * configure: Regenerated to track ../common/aclocal.m4 changes.
694
695Tue Sep 2 13:15:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
696
697 * gencode.c (tab): Order instructions according to SH3 document.
698
699Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
700
701 * configure: Regenerated to track ../common/aclocal.m4 changes.
702 * config.in: Ditto.
703
704Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
705
706 * interp.c (sim_kill): Delete.
707 (sim_create_inferior): Add ABFD argument.
708 (sim_load): Move setting of PC from here.
709 (sim_create_inferior): To here.
710
711Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
712
713 * configure: Regenerated to track ../common/aclocal.m4 changes.
714 * config.in: Ditto.
715
716Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
717
718 * interp.c (sim_open): Add ABFD argument.
719
720Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
721
722 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
723 FP's around.
724 (set_dr): Ditto.
725
7a292a7a
SS		 726Mon Jun 23 15:02:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
727
728 * interp.c (XD, SET_XD): Delete.
729 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
730 FP bank.
731
732 * gencode.c (fmov): Update.
733
c906108c
SS		 734Sun Jun 22 19:33:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
735
736 * interp.c (set_fpscr1): From J"orn Rennecke
737 <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
738
7a292a7a
SS		 739Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
740
741 * interp.c (special_address): New function.
742 (BUSERROR): Call it. Added parameters bits_written and data.
743 Changed all callers.
744 * gencode.c (tab): Fixed ocbwb and pref.
745
746Fri Jun 20 22:03:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
747
748 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
749
c906108c
SS		 750Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
751
752 * interp.c (sim_create_inferior): Clear registers each time an
753 inferior is started.
754
7a292a7a
SS		 755Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
756
757 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
758 when a host doesn't support IEEE FP.
759 (*DP): Provide alternative definition that supports 64bit floating
760 point.
761 (target_little_endian): Combine little_endian and little_endian_p.
762 (saved_state_type): Make fpscr and sr simple integers.
763 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
764 (set_fpscr1): New function. Handle swapping when PR / FR bits
765 changed. Call via *_FPSCR macro.
766 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
767 endian problems.
768
769 * gencode.c (tab): Update.
770
c906108c
SS		 771Sun Jun 15 15:22:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
772
773 * gencode.c (main): Perform basic checks on tab entries.
774
775 * Makefile.in (gencode): Always compile with -g.
776
777Sat Jun 14 13:45:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
778
779 * gencode.c (gensim): Move ref checking code to before `stuff'.
780 For branches with delay slots refs were not being checked.
781
782 * interp.c (sim_resume): Use nia to specify the next instruction
783 address instead of overloading pc.
784 (C): Delete definiton - refer to cycles directly.
785 (SEXT12): New macro - sign extend a 12 bit quantity.
786 (Delay_Slot): Rename from SL.
787
788 * gencode.c (tab): Update/simplify.
789
790 * gencode.c (gensim): Better formatting of output code.
791 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
792 (tab): Sort alphabetically. Break `stuff' into multiple lines.
793
794Fri Jun 13 22:10:13 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
795
796 * gencode.c (braf, bsrf): Fix branch destination calculation to
797 be in accordance with the documentation.
798
799Fri Jun 13 15:33:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
800
801 * interp.c (init_pointers): Fix little endian test.
802
7a292a7a
SS		 803Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
804
805 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
806 * gencode (fmov from/to memory): take endian_mismatch into account
807 for 32 bit moves too.
808
c906108c
SS		 809Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
810
811 * gencode.c (swap.b): Fix treatment of high word.
812
7a292a7a
SS		 813Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
814
815 * sh/gencode.c,
816 * interp.c: experimental SH4 support.
817 DFmode moves are probaly broken for target little endian.
818
c906108c
SS		 819Tue May 20 10:23:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
820
821 * interp.c (sim_open): Add callback argument.
822 (sim_set_callbacks): Delete SIM_DESC argument.
823
824Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com>
825
826 * Makefile.in (SIM_EXTRA_CLEAN): Define.
827 (clean targets): Delete.
828 (sh-clean): New target.
829
830Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
831
832 * configure: Regenerated to track ../common/aclocal.m4 changes.
833
834Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com>
835
836 * tconfig.in: New file.
837 * interp.c (sim_open): Handle missing arg to -E.
838
839Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com)
840
841 * Makefile.in: Add clean targets.
842
843Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
844
845 * interp.c: Include float.h and define SIGTRAP if _WIN32.
846 WIN32 -> _WIN32.
847 * (trap): Do do SYS_chown for _WIN32.
848
849Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
850
851 * interp.c (sim_resume): Fix argument to poll_quit.
852
853Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
854
855 * interp.c (sim_stop): New function.
856 (sim_resume): Use poll_quit for polling.
857
858Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
859
860 * Makefile.in (SIM_OBJS): Add sim-load.o.
861 * interp.c (target_byte_order): Delete.
862 (sim_kind, myname, little_endian_p): New static locals.
863 (init_pointers): Use little_endian_p instead of target_byte_order.
864 (sim_resume): Likewise.
865 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
866 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
867 load file into simulator. Set start address from bfd.
868 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
869
870Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
871
872 * configure: Regenerated to track ../common/aclocal.m4 changes.
873 * config.in: Ditto.
874
875Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
876
877 * interp.c (sim_open): New arg `kind'.
878
879 * configure: Regenerated to track ../common/aclocal.m4 changes.
880
881Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
882
883 * configure: Regenerated to track ../common/aclocal.m4 changes.
884
885Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
886
887 * interp.c (sim_do_command): Check for NULL command or empty
888 string and handle it the same as a "help" command. Use callback
889 to print error message for unrecognized commands. Replace
890 hardcoded tab in literal string with a \t. Other minor code
891 cleanup.
892
893Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
894
895 * configure: Regenerated to track ../common/aclocal.m4 changes.
896
897Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
898
899 * configure: Re-generate.
900
901Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
902
903 * configure: Regenerate to track ../common/aclocal.m4 changes.
904
905Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
906
907 * interp.c (sim_open): New SIM_DESC result. Argument is now
908 in argv form.
909 (other sim_*): New SIM_DESC argument.
910
911Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
912
913 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
914 COMMON_{PRE,POST}_CONFIG_FRAG instead.
915 * configure.in: sinclude ../common/aclocal.m4.
916 * configure: Regenerated.
917
918Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
919
920 * configure configure.in Makefile.in: Update to new configure
921 scheme which is more compatible with WinGDB builds.
922 * configure.in: Improve comment on how to run autoconf.
923 * configure: Re-run autoconf to get new ../common/aclocal.m4.
924 * Makefile.in: Use autoconf substitution to install common
925 makefile fragment.
926
927Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
928
929 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
930 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
931 * configure.in: Simplify using macros in ../common/aclocal.m4.
932 Call AC_CHECK_HEADERS(unistd.h).
933 * configure: Regenerated.
934 * config.in: New file.
935 * interp.c: #include "config.h". #include <unistd.h> if present.
936 (trap): Fetch errno value with callback->get_errno.
937
938Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
939
940 * interp.c: Don't include windows polling code if inside simluator.
941
942Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
943
944 * interp.c: Minor formatting improvements.
945 (saved_state_type): Add bank registers.
946 (bp_holder): New function, use to break on when debugging BUSERROR.
947 (BUSERROR): Call it if bus error occurs.
948
949Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
950
951 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
952 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
953 (docdir): Removed.
954 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
955 (AC_PROG_INSTALL): Added.
956 * configure: Rebuilt.
957
958Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
959
960 * interp.c (saved_state_type): Add memstalls field.
961 (MA) Define macro.
962 (sim_resume): New local variable memstalls. Add it back in to
963 saved_state at the end of the function.
964 (sim_info): Report memstalls.
965 * gencode.c (tab): Add MA() to the execution string of all
966 instructions which access memory.
967
968Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
969
970 * configure: Regenerate with autoconf 2.7.
971
972Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
973
974 * gencode.c (mac.l): Don't abort GDB if executing mac.l
975 instruction (which is unimplemented). Generate a SIGTRAP (in the
976 simulated target) instead.
977
978Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
979
980 * gencode.c (tab): Added several sh3 opcodes.
981 (think): Added printonmatch for A_SSR and A_SPC.
982 * interp.c (SSR, SPC): Added definitions.
983 (saved_state_type): Added ssr and spc registers.
984
985Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
986
987 * gencode.c (tab): In shad/shld definitions, negate R[m] before
988 the and operation instead of after. For shad delete cast. For shld
989 use UR instead of R and delete cast.
990
991Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
992
993 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
994
995Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
996
997 * interp.c: Make target_byte_order be extern to prevent SGI cc from
998 issuing warnings about the use of common symbols.
999
1000Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
1001
1002 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
1003 actually uses pr+0.
1004
1005Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1006
1007 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
1008 program exited.
1009 (sim_get_quit_code): Delete.
1010
1011 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
1012 default case.
1013
1014Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1015
1016 * interp.c (saved_state_type): Move FP registers to immediately
1017 after SR.
1018
1019Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
1020
1021 * Makefile.in (BISON): Remove macro.
1022
1023Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1024
1025 * interp.c (trap, case SYS_utime): Cast second arg of utime to
1026 void * to avoid compiler error.
1027
1028 * interp.c (callback): Remove last change. It is initialized by
1029 a sim_set_callbacks call.
1030
1031Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
1032
1033 * interp.c (callback): Initialize to default callback.
1034
1035Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
1036
1037 * run.c: Moved to ../common.
1038 * interp.c (trap): Use gdb's callback interface.
1039 * Makefile.in: Updated.
1040
1041Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
1042
1043 * Makefile.in (maintainer-clean): New synonym for realclean.
1044
1045Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
1046
1047 * run.c (sim_callback_write_stdout): New.
1048 * interp.c (trap): Call sim_callback_write_stdout when needed.
1049
1050Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
1051
1052 * interp.c (trap): Remove useless code.
1053
1054Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
1055
1056 * syscall.h: Copy from newlib.
1057
1058Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
1059
1060 * gencode.c: Back up PC by 2 for breakpoints.
1061 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
fcb38129 1062 which expect pc to immediately follow regs[].
c906108c
SS		 1063
1064Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
1065
1066 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
1067 * configure: Rebuild.
1068 * Makefile.in (INSTALL): Revert to using install.sh.
1069 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
1070 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
1071 (CC_FOR_BUILD): Restore.
1072 (gencode): Build using $(CC_FOR_BUILD).
1073 (install): Don't install in $(tooldir).
1074
1075Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1076
1077 (Try to) Update to new bfd autoconf scheme.
1078 * run.c: Don't include sysdep.h.
1079 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
1080 (CC, CFLAGS, AR, RANLIB): Likewise.
1081 (HDEFINES, TDEFINES): Define.
1082 (CC_FOR_BUILD): Delete.
1083 (host_makefile_frag): Delete.
1084 (Makefile): Don't depend on frags.
1085 * configure.in (sysdep.h): Don't create symlink.
1086 (host_makefile_frag, frags): Deleted.
1087 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
1088 * configure: Regenerated.
1089
1090Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1091
1092 * interp.c: Include <math.h>.
1093
1094Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
1095
1096 * Makefile.in (run): Link in math library too.
1097 * gencode.c (gensim): abort if an unknown opcode is encountered.
1098 * interp.c (FPSCR, FPUL): Define.
1099 (struct save_state): Add fields for floating point registers,
1100 FPSCR and FPUL.
1101 (sim_resume): Add 'F' for accessing floating point registers
1102 in the save state structure.
1103 * gencode.c: Add sh3e opcodes.
1104 (gensym): Define a buffer for int<->fp conversions.
1105
1106Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1107
1108 * interp.c (trap): Use trap vector 34 for host system interface.
1109 * gencode.c: Add 34 to conditional which determines which traps
1110 will be handled by simulator.
1111
1112Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1113
1114 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
1115 (main): New variables reason and sigrc. After simulator exits,
1116 check to see if it exited because of a signal, and if so, then
1117 use the signal number as the return value.
1118
1119Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
1120
1121 * Update all FSF addresses except those in COPYING* files.
1122
1123Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
1124
1125 * interp.c (trap): Only use SYS_execv if defined. Might be
1126 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
1127 (sim_resume): In sbit initializer, cast shifted arg to unsigned
1128 to avoid signed integer overflow.
1129
1130Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1131
1132 * Makefile.in (clean): Remove run, libsim.a.
1133 (distclean, mostlyclean, realclean): Remove Makefile and
1134 autoconf files.
1135
1136 * sh.mt: Removed.
1137
1138 * Makefile.in, configure.in: converted to autoconf.
1139 * configure: New file, generated with autconf 2.4.
1140
1141Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
1142
1143 * interp.c (sim_open): If argument supplied, interpret as
1144 desired memory size.
1145 (parse_and_set_memory_size): New function.
1146 (sim_do_command): New function.
1147
1148Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
1149
1150 * interp.c (SYS_wait): Define as SYS_wait4 if available and
1151 SYS_wait is not already defined (SunOS 4.1.3 for example).
1152 (SYS_utime): Define as SYS_utimes if available and
1153 SYS_utime is not already defined.
1154
1155Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
1156
1157 * interp.c: Don't include sys/times.h or sys/param.h
1158
1159Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
1160
1161 * interp.c (SIGBUS, SIGTERM): Define if not.
1162 (sim_memory_size): default to 2^19 on PCs.
1163 (sim_resume): Poll for quits on win32.
1164
1165Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1166
1167 * gencode.c (op_tab): Add SH3 support.
1168
1169Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
1170
1171 * gencode.c (tab): Add bsrf and braf.
1172
1173Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
1174
1175 * configure.in: use ../../bfd/hosts/std-host.h, not
1176 ../bfd/hosts/std-host.h (which doesn't exist).
1177
1178Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1179
1180 * run.c: parse arguments with getopt().
1181
1182Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
1183
1184 * configure.in: Use ../../bfd/hosts/std-host.h if specific
1185 host unavailable.
1186
1187Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
1188
1189 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
1190
1191Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
1192
1193 * gencode.c (op_tab): Make MAC.W call macw, not abort.
1194 * interp.c (macw): New function.
1195 (S): New #define.
1196
1197Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
1198
1199 * gencode.c (op_tab): New code for ADDV and SUBV.
1200 Make MAC.L abort sicne it is not implemented.
1201
1202 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
1203 Get rid of __GNUC__ conditional.
1204
1205aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
1206
1207 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
1208 Change ADDC for symmetry.
1209
1210 * gencode.c (op_tab): Replace code for ADDC and SUBC.
1211
1212Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
1213
1214 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
1215 declare IOMEM before using it.
1216
1217Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
1218
1219 * interp.c (BUSERROR): New macro.
1220 ([r|w][bwl]at[little|big]) New functions.
1221 (sim_resume): If GO32 check for interrupt every now
1222 and again. Decrement PC if SIGBUS seen.
1223 * run.c (main): Return result of simulated _exit.
1224
1225Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
1226
1227 * Makefile.in (gencode): Allow build in different directory.
1228
1229Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
1230
1231 * Makefile.in (gencode): Change $< to gencode.c for portability.
1232
1233Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
1234
1235 * interp.c ([wr][bwl]at): New functions.
1236 (trap): Cope with both byte modes.
1237
1238Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
1239
1240 * gencode.c (tab): Simulate T bit after a negc insn right.
1241 * interp.c (RSBAT): Sign extend the arg.
1242 (ACE_FAST): New macro.
1243 (sim_resume): Remove obsolete test of sim_timeout.
1244
1245Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
1246
1247 * interp.c (IOMEM): New function, simulates very basic I/O area of
1248 the SH.
1249 (WBAT, RBAT) : Call I/O functions.
1250 * gencode.c (tab): Special case trapa #3.
1251
1252Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
1253
1254 * run.c (main): Specify the file type again.
1255
1256Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
1257
1258 * interp.c (trap): Fix irix incompatibility.
1259 * run.c (main): open without specifying file type.
1260
1261Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
1262
1263 * interp.c (sim_*): Make result void where there isn't one.
1264 (sim_set_pc): Delete.
1265 (sim_info): Delete printf_fn arg, all callers changed.
1266 Call printf_filtered instead.
1267 (sim_close): New function.
1268 (sim_load): New function.
1269 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
1270 * run.c: #include <varargs.h>, "remote-sim.h".
1271 (printf_filtered): New function.
1272
1273Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
1274
1275 * gencode.c (table): Get direction of some opcodes right.
1276 (trapa, rte): Implement fully.
1277 * interp.c (trap): Make stat call more portable.
1278
1279Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
1280
1281 * gencode.c (main, gendefines): New -d option prints table of defines.
1282 * interp.c (trap): Add a load of system calls.
1283 (sim_memory_size): Now default to 8Mbyte.
1284 (PARANOID): Keep vector of registers with undefined contents.
1285
1286Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
1287
1288 * gencode.c: mova uses aligned addresses
1289 * interp.c (trap): Return results in r0.
1290
1291Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
1292
1293 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
1294 * interp.c: #include "remote-sim.h".
1295 (sim_resume): int result, new arg `siggnal'.
1296 (sim_write): Use SIM_ADDR for type of arg `addr'.
1297 (sim_read): Use SIM_ADDR for type of arg `addr'.
1298 Use unsigned char * for `buffer'.
1299 (sim_store_register): int result.
1300 (sim_fetch_register): Ditto.
1301 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
1302 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
1303 (sim_info): int result, new args `verbose', `printf_fn'.
1304 (sim_kill): int result.
1305 (sim_open): int result, new arg `name'.
1306 * run.c: #include <stdio.h>
1307 (main): Update call to sim_info.
1308
1309Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
1310
1311 * interp.c (sim_stop_signal): Result is now enum sim_stop.
1312
1313Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1314
1315 * gencode.c (table): Becomes unsigned.
1316 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
1317 sim_read): Return number of bytes copied. (sim_store_register):
1318 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
1319
1320Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
1321
1322 * interp.c (sim_info): Fix small typo in printf string.
1323
1324Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
1325
1326 * interp.c (sim_resume): Set memory after pointers inited.
1327
1328Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1329
1330 * interp.c (get_now): Use time system call.
1331 * Makefile.in: install correctly.
1332
1333Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1334
1335 * run.c (main), interp.c (sim_set_timeout): Remove timeout
1336 functionality.
1337
1338Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
1339
1340 * Makefile.in: don't run indent everytime; also add a space in the
1341 includes
1342
1343Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1344
1345 * gencode.c: Fix some opcodes.
1346 * interp.c: Support for profiling and portability fixes.
1347 * run.c (main): Get profiling args.
1348
1349Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
1350
1351 * gencode.c (tab): Lint for sgi compiler
1352 * interp.c: Lint for sgi compiler.
1353
1354Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1355
1356 * run.c (main): Support for resizing simulated RAM.
1357 * Makefile.in: Support for broken makes.
1358 * interp.c, gencode.c: Lint.
1359
1360Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1361
1362 * created
1363
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