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sim: bfin: use store buffer with more 32bit insns
[thirdparty/binutils-gdb.git] / sim / sh / ChangeLog
CommitLineData
5558e7e6
MF		 12010-04-14 Mike Frysinger <vapier@gentoo.org>
2
3 * interp.c (sim_write): Add const to buffer arg.
4
22e041e2
MM		 52010-01-12 Masaki Muranaka <monaka@monami-software.com>
6
7 * interp.c: Don't include sysdep.h.
8 Include stdio.h and errno.h.
9 Include string.h strings.h stdlib.h sys/stat.h if present.
10
3725885a
RW		 112010-01-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12
13 * configure: Regenerate.
14
d6416cdc
RW		 152009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
16
81ecdfbb
RW		 17 * config.in: Regenerate.
18 * configure: Likewise.
19
d6416cdc
RW		 20 * configure: Regenerate.
21
b5bd9624
HPN		 222008-07-11 Hans-Peter Nilsson <hp@axis.com>
23
24 * configure: Regenerate to track ../common/common.m4 changes.
25 * config.in: Ditto.
26
6efef468
JM		 272008-06-06 Vladimir Prus <vladimir@codesourcery.com>
28 Daniel Jacobowitz <dan@codesourcery.com>
29 Joseph Myers <joseph@codesourcery.com>
30
31 * configure: Regenerate.
32
f3876f69
AS		 332008-02-04 Antony King <antony.king@st.com>
34
35 * interp.c (macl): Fix non-portable implementation.
36
4d439271
DP		 372007-10-08 Andrew Stubbs <andrew.stubbs@st.com>
38
39 * gencode.c (tab): Add RAISE_EXCEPTION_IF_IN_DELAY_SLOT to the
40 definition of PC relative 'mov.l'/'mov.w' and also 'mova'.
41
6a1754a3
DJ		 422007-03-02 Andrew Stubbs <andrew.stubbs@st.com>
43
44 * gencode.c (tab): Correct pre-decrement instructions when m == n.
45
edc5d9ec
HPN		 462006-12-21 Hans-Peter Nilsson <hp@axis.com>
47
48 * acconfig.h: Remove.
49 * config.in: Regenerate.
50
e85e3205
RE		 512006-06-13 Richard Earnshaw <rearnsha@arm.com>
52
53 * configure: Regenerated.
54
2f0122dc
DJ		 552006-06-05 Daniel Jacobowitz <dan@codesourcery.com>
56
57 * configure: Regenerated.
58
20e95c23
DJ		 592006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
60
61 * configure: Regenerated.
62
72a37d8d
AS		 632005-11-10 Andrew Stubbs <andrew.stubbs@st.com>
64
65 * interp.c (sim_memory_size): Use same amount of memory on Windows as
66 elsewhere.
67
6a8492b5
JR		 682005-09-19 J"orn Rennecke <joern.rennecke@st.com>
69
70 * interp.c (<sys/mman.h>): Include.
71 (mcalloc): New function / macro.
72 (mfree): New macro.
73 (sim_size): Use mcalloc and mfree.
74
63bee803
JR		 752005-08-02 J"orn Rennecke <joern.rennecke@st.com>
76
77 * interp.c (strswaplen): Add one for '\0' delimiter.
78
195b8a57
DJ		 792005-06-16 Daniel Jacobowitz <dan@codesourcery.com>
80
81 * gencode.c (tab): Avoid lvalue casts. Suggested by
82 Ralf Corsepius <ralf.corsepius@rtems.org>.
83
53f541af
JL		 842005-04-12 Jonathan Larmour <jifl@eCosCentric.com>
85
86 * gencode.c (tab): Avoid inserting code before variables all declared.
87
2b193c4a
MK		 882005-03-23 Mark Kettenis <kettenis@gnu.org>
89
90 * configure: Regenerate.
91
35695fd6
AC		 922005-01-14 Andrew Cagney <cagney@gnu.org>
93
94 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
95 explicit call to AC_CONFIG_HEADER.
96 * configure: Regenerate.
97
f0569246
AC		 982005-01-12 Andrew Cagney <cagney@gnu.org>
99
100 * configure.ac: Update to use ../common/common.m4.
101 * configure: Re-generate.
102
38f48d72
AC		 1032005-01-11 Andrew Cagney <cagney@localhost.localdomain>
104
105 * configure: Regenerated to track ../common/aclocal.m4 changes.
106
b7026657
AC		 1072005-01-07 Andrew Cagney <cagney@gnu.org>
108
109 * configure.ac: Rename configure.in, require autoconf 2.59.
110 * configure: Re-generate.
111
379832de
HPN		 1122004-12-08 Hans-Peter Nilsson <hp@axis.com>
113
114 * configure: Regenerate for ../common/aclocal.m4 update.
115
ae0a84af
CV		 1162004-09-08 DJ Delorie <dj@redhat.com>
117
118 Commited by Corinna Vinschen <vinschen@redhat.com>
119 * gencode.c (movua.l): Compensate for endianness.
120
1212004-09-08 Corinna Vinschen <vinschen@redhat.com>
122
123 * interp.c (RAISE_EXCEPTION_IF_IN_DELAY_SLOT): New macro.
124 (in_delay_slot): New flag variable.
125 (Delay_Slot): Set in_delay_slot.
126 (sim_resume): Reset in_delay_slot after leaving code switch.
127 * gencode.c (op tab): Call RAISE_EXCEPTION_IF_IN_DELAY_SLOT for all
128 instructions not allowed in delay slots.
129
1302004-09-08 Michael Snyder <msnyder@redhat.com>
131
132 Commited by Corinna Vinschen <vinschen@redhat.com>
133 Introduce SH2a support.
134 * interp.c: Change type of jump table to short. Add various macros.
135 (sim_load): Save the bfd machine code.
136 (sim_create_inferior): Ditto.
137 (union saved_state_type): Add tbr, ibnr and ibcr registers.
138 Move bfd_mach to end of struct. Add regstack pointer.
139 (init_dsp): Don't swap contents of sh_dsp_table any more. Instead
140 use it directly in its own switch statement. Allocate space for 512
141 register banks.
142 (do_long_move_insn): New function.
143 (do_blog_insn): Ditto.
144 (trap): Use trap #13 and trap #14 to set ibnr and ibcr.
145 * gencode.c: Move movx/movy insns into separate switch statement.
146 (op tab): Add sh2a insns. Reject instructions that are disabled
147 on that chip.
148 (gensim_caselist): Generate default case here instead of in caller.
149 (gensim): Generate two separate switch statements. Call
150 gensim_caselist once for each (for movsxy_tab and for tab).
151 Add tokens for r15 and multiple regs.
152 (conflict_warn, warn_conflicts): Add for debugging.
153
a134f341
JR		 1542004-08-18 J"orn Rennecke <joern.rennecke@superh.com>
155
156 * gencode.c (tab): For shad snd shld, fix result for
157 (op1 < 0 && shift_amount == 0).
158
915213a4
MS		 1592004-02-02 Michael Snyder <msnyder@redhat.com>
160
161 * gencode.c (movua.l): Set thislock to 0, not n.
162
3e511797
MS		 1632004-02-12 Michael Snyder <msnyder@redhat.com>
164
165 * gencode.c (table): Change from char to short.
166 (dumptable): Change generated table from char to short.
167 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): char to short.
168 (init_dsp): Compute size of sh_dsp_table.
169 (sim_resume): Change jump_table from char to short.
170
4ae0cff4
MS		 1712004-01-27 Michael Snyder <msnyder@redhat.com>
172
0145ab2e
MS		 173 * gencode.c: (op tab): Some refs and defs fixes.
174 "fsrra" -> "fsrra <FREG_N>".
175 "sleep": replace array ref with array addr.
176 "trapa": ditto.
177 Comment and whitespace clean-ups.
4ae0cff4 178
86bc60eb
MS		 1792004-01-07 Michael Snyder <msnyder@redhat.com>
180
87acb4a7
MS		 181 * gencode.c: Whitespace cleanup.
182 * interp.c: Ditto.
183
86bc60eb
MS		 184 * gencode.c: Replace 'Hitachi' with 'Renesas'.
185 (op tab): Add new instructions for sh4a, DBR, SBR.
186 (expand_opcode): Add handling for new movxy combinations.
187 (gensym_caselist): Ditto.
188 (expand_ppi_movxy): Remove movx/movy expansions,
189 now handled in expand_opcode.
190 (gensym): Add some helpful macros.
191 (expand_ppi_code): Flatten loop for simplicity, tweak for 12-bit
192 instead of 8-bit table (some insns are ambiguous to 8 bits).
193 (ppi_gensim, main): Generate 12-bit instead of 8-bit ppi table.
194
195 * interp.c: Replace 'Hitachi' with 'Renesas'.
196 (union saved_state_type): Add dbr, sgr, ldst.
197 (get_loop_bounds_ext): New function.
198 (init_dsp): Add bfd_mach_sh4al_dsp.
199 (sim_resume): Handle extended loop bounds.
200
673fc5d0
MS		 2012003-12-18 Michael Snyder <msnyder@redhat.com>
202
203 * gencode.c (expand_opcode): Simplify and reorganize.
204 Eliminate "shift" parameter. Eliminate "4 bits at a time"
205 assumption. Flatten switch statement to a single level.
206 Add "eeee" token for even-numbered registers.
207 (bton): Delete.
208 (fsca): Use "eeee" token.
209 (ppi_moves): Rename to "expand_ppi_movxy". Do the ddt
210 [movx/movy] expansion here, as well as the ppi expansion.
211 (gensim_caselist): Accept 'eeee' along with 'nnnn'.
212
794cd17b
JR		 2132003-11-03 J"orn Rennecke <joern.rennecke@superh.com>
214
215 * interp.c (fsca_s, fsrra_s): New functions.
216 * gencode.c (tab): Add entries for fsca and fsrra.
217 (expand_opcode): Allow variable length n / m fields.
218
8822d001
JR		 2192003-10-15 J"orn Rennecke <joern.rennecke@superh.com>
220
221 * syscall.h (SYS_truncate, SYS_ftruncate): Define.
222 * interp.c (trap): Add support for SYS_ftruncate and SYS_truncate.
223
d1789ace
MS		 2242003-08-11 Shrinivas Atre <shrinivasa@KPITCummins.com>
225 * sim/sh/gencode.c ( tab[] ): Addition of MAC.L handler and
226 correction for MAC.W handler
227 * sim/sh/interp.c ( macl ): New Function. Implementation of
228 MAC.L handler.
229
240f98d3
MS		 2302003-08-07 Michael Snyder <msnyder@redhat.com>
231
232 * gencode.c (expand_ppi_code): Comment spelling fix.
233
437b0e60
MS		 2342003-07-25 Michael Snyder <msnyder@redhat.com>
235
236 * gencode.c (pshl): Change < to <= (shift by 16 is allowed).
237 Cast argument of >> to unsigned to prevent sign extension.
238 (psha): Change < to <= (shift by 32 is allowed).
239
32fcda6a
MS		 2402003-07-24 Michael Snyder <msnyder@redhat.com>
241
242 * gencode.c: Fix typo in comment.
243
e343a93a
MS		 2442003-07-23 Michael Snyder <msnyder@redhat.com>
245
246 * gencode.c: A few more fix-ups of refs and defs.
247 (frchg): Raise SIGILL if in double-precision mode.
248 (ldtlb): We don't simulate cache, so this is a no-op.
249 (movsxy_tab): Correct a few bit pattern errors.
250
c13a4caa
MS		 2512003-07-09 Michael Snyder <msnyder@redhat.com>
252
1b606171 253 * gencode.c (prnd): Clear LSW of result to zeros.
fcfae95c 254 * gencode.c (pmuls): Expression is mis-parenthesized.
c13a4caa
MS		 255 * gencode.c (ppi_gensim): For a conditional ppi insn, if the
256 condition is false, we want to return (not break). A break
257 will take us to the end of the function where registers will
258 be updated, whereas the desired outcome is for nothing to change.
259
e53a5a69
MS		 2602003-07-03 Michael Snyder <msnyder@redhat.com>
261
262 * gencode.c (movs): Fix a couple of text transpositions.
263
15dee5d5
MS		 2642003-06-27 Michael Snyder <msnyder@redhat.com>
265
b939d772
MS		 266 * gencode.c (op tab): Some fix-ups of refs and defs.
267 (ocbi, ocbp): Cache not simulated, but may cause memory fault.
268 (gensym_caselist): Add default case to switch statement.
269 (expand_ppi_code): Add default case to switch statement.
d2f18ae4 270 * gencode.c (op tab): Implement movca.l.
9e1d0fc1 271 * gencode.c (op movsxy_tab): Fix an error in the bit pattern.
15dee5d5
MS		 272 * gencode.c (gensim_caselist): The movy instructions use
273 registers R6 and R7 (not R4 and R5 like the movx insns).
274
8dc30ef7
MS		 2752003-06-27 Michael Snyder <msnyder@redhat.com>
276
0b282859
MS		 277 * gencode.c (op movsxy_tab): Fix up some copy/paste errors
278 in name: s/REG_x/REG_y/.
279
8dc30ef7
MS		 280 * gencode.c (op tab): Move misplaced semicolon.
281
6b4a8935
AC		 2822003-02-27 Andrew Cagney <cagney@redhat.com>
283
284 * interp.c (init_dsp, sim_open, sim_create_inferior): Rename _bfd
285 to bfd.
286
fd8f4948
JR		 287Fri Oct 11 16:22:28 2002 J"orn Rennecke <joern.rennecke@superh.com>
288
289 * interp.c (trap): Return int. Take extra parameter for address
290 of the trap instruction. Changed all callers.
291 Add case 33 for profiling.
292 * gencode.c (trapa): Handle trap 33 using the trap function.
293 Add read of vector for generic traps.
294
2f14585c
JR		 295Wed Jul 17 19:36:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
296
297 * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
298 * interp.c: Include "gdb/sim-sh.h".
299 (sim_store_register, sim_fetch_register): Use constants defined there.
300
dc9feb5c
JR		 301Tue Jun 18 16:53:11 2002 J"orn Rennecke <joern.rennecke@superh.com>
302
303 * interp.c (sim_resume): Fix setting of bus error for
304 instruction fetch.
305
c8cca39f
AC		 3062002-06-16 Andrew Cagney <ac131313@redhat.com>
307
308 * configure: Regenerated to track ../common/aclocal.m4 changes.
309
3c25f8c7
AC		 3102002-06-08 Andrew Cagney <cagney@redhat.com>
311
312 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
313
de0492b6
AO		 3142001-01-30 Ben Elliston <bje@redhat.com>
315
316 * interp.c (sim_create_inferior): Record program arguments for
317 later inspection by the trap handler.
318 (count_argc): New function.
319 (prog_argv): Declare static.
320 (sim_write): Declare.
321 (trap): Implement argc, argnlen and argn system calls. Do not
322 abort on unknown system calls--simply return -1.
323 * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
324
55406459
AO		 3252001-01-24 Alexandre Oliva <aoliva@redhat.com>
326
327 * interp.c (trap): Implement time.
328
8f1e3ff5
BE		 3292000-10-24 Ben Elliston <bje@redhat.com>
330
331 * gencode.c (tab): Delimit strings with commas where applicable.
332
eb2d80b4
AC		 333Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
334
335 * configure: Regenerated to track ../common/aclocal.m4 changes.
336
63978407
JR		 337Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
338
339sh-dsp support, simulator speedup by using host byte order:
340
341 * Makefile.in (interp.o): Depends on ppi.c .
342 (ppi.c): New rule.
343 * gencode.c (printonmatch, think, genopc): Deleted.
344 (MAX_NR_STUFF): Now 42.
345 (tab): Add SH-DSP CPU instructions.
346 Amalgamate ldc / stc / lds / sts instructions with similar
347 bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
348 Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
349 (movsxy_tab): New array.
350 For movs, change MMMM field to GGGG, and mmmm field to MMMM.
351 Added entries for movx, movy and parallel processing insns.
352 (ppi_tab): New array.
353 (qfunc): Stabilize sort.
354 (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
355 Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
356 (dumptable): Now takes three arguments. Changed all callers.
357 Emit just one contigous jump table.
358 (filltable): Now takes an argument. Changed all callers.
359 Make index static.
360 (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
361 (gensim_caselist): New function, broken out of gensim.
362 Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
363 Handle ref '9'.
364 (gensim): Handle 'N' in code field and '8' in refs field.
365 Call gensim_caselist - twice.
366 (ppi_index): New static variable.
367 (main): Unsupport default action.
368 Add dsp support for -x / -s option. Add -p option.
369 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
370 (saved_state_type): Rearrange to allow amalgamated ldc / stc /
371 lds / sts to work efficiently.
372 (target_dsp): New static variable.
373 (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
374 (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
375 (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
376 (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
377 (set_fpscr1): Likewise. Use target_dsp to check for dsp.
378 (MOD_MSi, SIG_BUS_FETCH): Deleted.
379 (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
380 (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
381 (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
382 of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
383 (set_sr): Reflect saved_state_type change. Fix SR_RB handling.
384 Use SET_MOD.
385 (MA, L, TL, TB): Now controlled by ACE_FAST.
386 (SEXT32): Just cast to int.
387 (SIGN32): Fixed to only shift by 31.
388 (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
389 (ppi_insn): Declare.
390 (ppi.c): Include.
391 (init_dsp): Set target_dsp. When it changes, switch end of
392 sh_jump_table with sh_dsp_table.
393 (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
394 Don't Declare PR if it's #defined.
395 Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
396 (sim_store_register, sim_read_register): Translate accesses to
397 reflect saved_state_type change.
398
399 * interp.c (set_sr): Set sr.
400 (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
401 (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
402 (DSP_R): Fix definition.
403 (sim_resume): Remove outdated SET_SR use.
404
405 * interp.c (saved_state): New members for struct member asregs:
406 rs, re, insn_end, xram_start, yram_start.
407 (struct loop_bounds): New struct.
408 (SKIP_INSN): New macro.
409 (get_loop_bounds): New function.
410 (endianw): Renamed to global_endianw.
411 (maskw): negated bits.
412 (PC): Now insn_ptr.
413 (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
414 (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
415 (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
416 (SIG_BUS_FETCH): Likewise
417 (raise_exception, riat_fast): New functions.
418 (raise_buserror, sim_stop): Use raise_exception.
419 (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
420 (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
421 Reverse sense of mask argument.
422 (FP_OP, set_dr): Use RAISE_EXCEPTION.
423 (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
424 Declare. Remove redundant masking.
425 (wwat_fast, rwat_fast): Add argument endianw. Changed callers.
426 (MA): Updated for change pc -> PC.
427 (Delay_Slot): Use RIAT.
428 (empty): Deleted.
429 (trap): Remove argument little_endian. Add argument endianw.
430 Changed all callers. Use raise_exception.
431 (macw): Add argument endainw. Changed all callers.
432 (init_dsp): New function, extended after broken out of init_pointers.
433 (sim_resume): Replace pc with insn_ptr. Replace little_endian with
434 endianw. Replace nia with nip. Reverse sense of maskb / maskw /
435 maskl. Implement logic for zero-overhead loops. Don't try to
436 interpret garbage when getting a SIGBUS at insn fetch.
437 (sim_open): Call init_dsp.
438 * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
439 RAISE_EXCEPTION where appropriate.
440 Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
441
442 * interp.c (sim_store_register, sim_fetch_register):
443 Do proper endianness switch.
444
445 * interp.c (saved_state_type): New members for struct member asregs:
446 xymem_select, xmem, ymem, xmem_offset, ymem_offset.
447 (special_address): Delete.
448 (BUSERROR): Now a two-argument predicate.
449 (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
450 (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
451 (process_wlat_addr, process_wwat_addr): New functions.
452 (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
453 (process_rbat_addr): Likewise.
454 (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
455 (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
456 (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
457 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
458 (do_rdat, trap): Delete SLOW code.
459 (SEXT32, SIGN32): New macros.
460 (swap, swap16): Now integer in - integer out. Changed all callers.
461 (strswaplen, strnswap): Delete SLOW versions.
462 (init_pointers): Initialize dsp memory selection (preliminary).
463 (sim_store_register, sim_fetch_register): Use swap instead of
464 big / little endian read / write functions.
465
466 * interp.c (maskl): Deleted.
467 (endianw, endianb): New variables.
468 (special_address): Now inline.
469 (bp_holder): Put raising of buserror there, rename to:
470 (raise_buserror).
471 (BUSERROR): Now yields a value. Changed all users.
472 (wbat_big): Delete.
473 (wlat_fast, wwat_fast, wbat_fast): New functions.
474 (rlat_fast, rwat_fast, rbat_fast): Likewise.
475 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
476 (do_rdat, do_wdat): Likewise. Take maskl argument instead of
477 little_endian one. Changed caller macros.
478 (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
479 (strswaplen, strnswap): New functions.
480 (trap): Use them to fix up endian mismatches;
481 disable SYS_execve and SYS_execv; fix double address translation for
482 SYS_pipe and SYS_stat.
483 (sym_write, sym_read): Add endianness translation.
484 (sym_store_register, sym_fetch_register): Add maskl local variable.
485 (sim_open): Set endianw and endianb.
486
d4f3574e
SS		 487Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
488
489 * configure: Regenerated to track ../common/aclocal.m4 changes.
490
104c1213
JM		 491Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com>
492
493 * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
494 union type, instead of casting to an int* then a float*.
495 (fcnvsd FPUL,<DR_N>): Likewise.
496 (flds <FREG_N>,FPUL): Likewise.
497 (fsts FPUL,<FREG_N>): Likewise.
498
cd0fc7c3
SS		 4991999-05-08 Felix Lee <flee@cygnus.com>
500
501 * configure: Regenerated to track ../common/aclocal.m4 changes.
502
7a292a7a
SS		 5031999-04-02 Keith Seitz <keiths@cygnus.com>
504
505 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
506 frequency at which the poll_quit callback is called.
507 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
508 hard-coded value.
509
c906108c
SS		 510Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
511
512 * interp.c (saved_state.asregs): Add new member pad_dummy.
513 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
514 as index into saved_state.asints.
515
516Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com)
517
518 * interp.c (sim_open): set endianness based on the ABFD if a -E
519 option is not present and we have an ABFD.
520
521Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
522
523 * configure: Regenerated to track ../common/aclocal.m4 changes.
524
525Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
526
527 * configure: Regenerated to track ../common/aclocal.m4 changes.
528 * config.in: Ditto.
529
530Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com>
531
532 * acconfig.h: New file.
533 * configure.in: Reverted change of Apr 24; use sinclude again.
534
535Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
536
537 * configure: Regenerated to track ../common/aclocal.m4 changes.
538 * config.in: Ditto.
539
540Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com>
541
542 * configure.in: Don't call sinclude.
543
544Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
545
546 * configure: Regenerated to track ../common/aclocal.m4 changes.
547
548Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
549
550 * configure: Regenerated to track ../common/aclocal.m4 changes.
551
552Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
553
554 * configure: Regenerated to track ../common/aclocal.m4 changes.
555
556Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
557
558 * configure: Regenerated to track ../common/aclocal.m4 changes.
559
560Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com>
561
562 * interp.c (sim_fetch_register, sim_store_register): Pass in
563 length parameter. Return -1.
564
565Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
566
567 * configure: Regenerated to track ../common/aclocal.m4 changes.
568
569Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
570
571 * configure: Regenerated to track ../common/aclocal.m4 changes.
572
573Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
574
575 * configure: Regenerated to track ../common/aclocal.m4 changes.
576
577Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
578
579 * configure: Regenerated to track ../common/aclocal.m4 changes.
580 * config.in: Ditto.
581
582Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
583
584 * configure: Regenerated to track ../common/aclocal.m4 changes.
585
586Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
587
588 * interp.c (sim_load): Pass lma_p and sim_write args to
589 sim_load_file.
590
591Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
592
593 * configure: Regenerated to track ../common/aclocal.m4 changes.
594
595Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
596
597 * configure: Regenerated to track ../common/aclocal.m4 changes.
598
599Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
600
601 * configure: Regenerated to track ../common/aclocal.m4 changes.
602
603Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
604
605 * configure: Regenerated to track ../common/aclocal.m4 changes.
606
607Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
608
609 * configure: Regenerated to track ../common/aclocal.m4 changes.
610
611Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
612
613 * configure: Regenerated to track ../common/aclocal.m4 changes.
614
615Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com>
616
617 * interp.c (sim_resume): poll_quit() at least once per call;
618 otherwise gdb can loop sim_resume() uninterruptably.
619
620Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
621
622 * configure: Regenerated to track ../common/aclocal.m4 changes.
623
624Tue Sep 2 13:15:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
625
626 * gencode.c (tab): Order instructions according to SH3 document.
627
628Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
629
630 * configure: Regenerated to track ../common/aclocal.m4 changes.
631 * config.in: Ditto.
632
633Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
634
635 * interp.c (sim_kill): Delete.
636 (sim_create_inferior): Add ABFD argument.
637 (sim_load): Move setting of PC from here.
638 (sim_create_inferior): To here.
639
640Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
641
642 * configure: Regenerated to track ../common/aclocal.m4 changes.
643 * config.in: Ditto.
644
645Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
646
647 * interp.c (sim_open): Add ABFD argument.
648
649Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
650
651 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
652 FP's around.
653 (set_dr): Ditto.
654
7a292a7a
SS		 655Mon Jun 23 15:02:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
656
657 * interp.c (XD, SET_XD): Delete.
658 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
659 FP bank.
660
661 * gencode.c (fmov): Update.
662
c906108c
SS		 663Sun Jun 22 19:33:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
664
665 * interp.c (set_fpscr1): From J"orn Rennecke
666 <amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
667
7a292a7a
SS		 668Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
669
670 * interp.c (special_address): New function.
671 (BUSERROR): Call it. Added parameters bits_written and data.
672 Changed all callers.
673 * gencode.c (tab): Fixed ocbwb and pref.
674
675Fri Jun 20 22:03:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
676
677 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
678
c906108c
SS		 679Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
680
681 * interp.c (sim_create_inferior): Clear registers each time an
682 inferior is started.
683
7a292a7a
SS		 684Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
685
686 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
687 when a host doesn't support IEEE FP.
688 (*DP): Provide alternative definition that supports 64bit floating
689 point.
690 (target_little_endian): Combine little_endian and little_endian_p.
691 (saved_state_type): Make fpscr and sr simple integers.
692 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
693 (set_fpscr1): New function. Handle swapping when PR / FR bits
694 changed. Call via *_FPSCR macro.
695 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
696 endian problems.
697
698 * gencode.c (tab): Update.
699
c906108c
SS		 700Sun Jun 15 15:22:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
701
702 * gencode.c (main): Perform basic checks on tab entries.
703
704 * Makefile.in (gencode): Always compile with -g.
705
706Sat Jun 14 13:45:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
707
708 * gencode.c (gensim): Move ref checking code to before `stuff'.
709 For branches with delay slots refs were not being checked.
710
711 * interp.c (sim_resume): Use nia to specify the next instruction
712 address instead of overloading pc.
713 (C): Delete definiton - refer to cycles directly.
714 (SEXT12): New macro - sign extend a 12 bit quantity.
715 (Delay_Slot): Rename from SL.
716
717 * gencode.c (tab): Update/simplify.
718
719 * gencode.c (gensim): Better formatting of output code.
720 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
721 (tab): Sort alphabetically. Break `stuff' into multiple lines.
722
723Fri Jun 13 22:10:13 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
724
725 * gencode.c (braf, bsrf): Fix branch destination calculation to
726 be in accordance with the documentation.
727
728Fri Jun 13 15:33:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
729
730 * interp.c (init_pointers): Fix little endian test.
731
7a292a7a
SS		 732Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
733
734 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
735 * gencode (fmov from/to memory): take endian_mismatch into account
736 for 32 bit moves too.
737
c906108c
SS		 738Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
739
740 * gencode.c (swap.b): Fix treatment of high word.
741
7a292a7a
SS		 742Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
743
744 * sh/gencode.c,
745 * interp.c: experimental SH4 support.
746 DFmode moves are probaly broken for target little endian.
747
c906108c
SS		 748Tue May 20 10:23:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
749
750 * interp.c (sim_open): Add callback argument.
751 (sim_set_callbacks): Delete SIM_DESC argument.
752
753Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com>
754
755 * Makefile.in (SIM_EXTRA_CLEAN): Define.
756 (clean targets): Delete.
757 (sh-clean): New target.
758
759Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
760
761 * configure: Regenerated to track ../common/aclocal.m4 changes.
762
763Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com>
764
765 * tconfig.in: New file.
766 * interp.c (sim_open): Handle missing arg to -E.
767
768Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com)
769
770 * Makefile.in: Add clean targets.
771
772Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
773
774 * interp.c: Include float.h and define SIGTRAP if _WIN32.
775 WIN32 -> _WIN32.
776 * (trap): Do do SYS_chown for _WIN32.
777
778Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
779
780 * interp.c (sim_resume): Fix argument to poll_quit.
781
782Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
783
784 * interp.c (sim_stop): New function.
785 (sim_resume): Use poll_quit for polling.
786
787Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
788
789 * Makefile.in (SIM_OBJS): Add sim-load.o.
790 * interp.c (target_byte_order): Delete.
791 (sim_kind, myname, little_endian_p): New static locals.
792 (init_pointers): Use little_endian_p instead of target_byte_order.
793 (sim_resume): Likewise.
794 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
795 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
796 load file into simulator. Set start address from bfd.
797 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
798
799Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
800
801 * configure: Regenerated to track ../common/aclocal.m4 changes.
802 * config.in: Ditto.
803
804Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
805
806 * interp.c (sim_open): New arg `kind'.
807
808 * configure: Regenerated to track ../common/aclocal.m4 changes.
809
810Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
811
812 * configure: Regenerated to track ../common/aclocal.m4 changes.
813
814Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
815
816 * interp.c (sim_do_command): Check for NULL command or empty
817 string and handle it the same as a "help" command. Use callback
818 to print error message for unrecognized commands. Replace
819 hardcoded tab in literal string with a \t. Other minor code
820 cleanup.
821
822Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
823
824 * configure: Regenerated to track ../common/aclocal.m4 changes.
825
826Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
827
828 * configure: Re-generate.
829
830Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
831
832 * configure: Regenerate to track ../common/aclocal.m4 changes.
833
834Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
835
836 * interp.c (sim_open): New SIM_DESC result. Argument is now
837 in argv form.
838 (other sim_*): New SIM_DESC argument.
839
840Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
841
842 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
843 COMMON_{PRE,POST}_CONFIG_FRAG instead.
844 * configure.in: sinclude ../common/aclocal.m4.
845 * configure: Regenerated.
846
847Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
848
849 * configure configure.in Makefile.in: Update to new configure
850 scheme which is more compatible with WinGDB builds.
851 * configure.in: Improve comment on how to run autoconf.
852 * configure: Re-run autoconf to get new ../common/aclocal.m4.
853 * Makefile.in: Use autoconf substitution to install common
854 makefile fragment.
855
856Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
857
858 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
859 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
860 * configure.in: Simplify using macros in ../common/aclocal.m4.
861 Call AC_CHECK_HEADERS(unistd.h).
862 * configure: Regenerated.
863 * config.in: New file.
864 * interp.c: #include "config.h". #include <unistd.h> if present.
865 (trap): Fetch errno value with callback->get_errno.
866
867Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
868
869 * interp.c: Don't include windows polling code if inside simluator.
870
871Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
872
873 * interp.c: Minor formatting improvements.
874 (saved_state_type): Add bank registers.
875 (bp_holder): New function, use to break on when debugging BUSERROR.
876 (BUSERROR): Call it if bus error occurs.
877
878Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
879
880 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
881 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
882 (docdir): Removed.
883 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
884 (AC_PROG_INSTALL): Added.
885 * configure: Rebuilt.
886
887Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
888
889 * interp.c (saved_state_type): Add memstalls field.
890 (MA) Define macro.
891 (sim_resume): New local variable memstalls. Add it back in to
892 saved_state at the end of the function.
893 (sim_info): Report memstalls.
894 * gencode.c (tab): Add MA() to the execution string of all
895 instructions which access memory.
896
897Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
898
899 * configure: Regenerate with autoconf 2.7.
900
901Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
902
903 * gencode.c (mac.l): Don't abort GDB if executing mac.l
904 instruction (which is unimplemented). Generate a SIGTRAP (in the
905 simulated target) instead.
906
907Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
908
909 * gencode.c (tab): Added several sh3 opcodes.
910 (think): Added printonmatch for A_SSR and A_SPC.
911 * interp.c (SSR, SPC): Added definitions.
912 (saved_state_type): Added ssr and spc registers.
913
914Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
915
916 * gencode.c (tab): In shad/shld definitions, negate R[m] before
917 the and operation instead of after. For shad delete cast. For shld
918 use UR instead of R and delete cast.
919
920Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
921
922 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
923
924Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
925
926 * interp.c: Make target_byte_order be extern to prevent SGI cc from
927 issuing warnings about the use of common symbols.
928
929Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
930
931 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
932 actually uses pr+0.
933
934Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
935
936 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
937 program exited.
938 (sim_get_quit_code): Delete.
939
940 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
941 default case.
942
943Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
944
945 * interp.c (saved_state_type): Move FP registers to immediately
946 after SR.
947
948Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
949
950 * Makefile.in (BISON): Remove macro.
951
952Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
953
954 * interp.c (trap, case SYS_utime): Cast second arg of utime to
955 void * to avoid compiler error.
956
957 * interp.c (callback): Remove last change. It is initialized by
958 a sim_set_callbacks call.
959
960Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
961
962 * interp.c (callback): Initialize to default callback.
963
964Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
965
966 * run.c: Moved to ../common.
967 * interp.c (trap): Use gdb's callback interface.
968 * Makefile.in: Updated.
969
970Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
971
972 * Makefile.in (maintainer-clean): New synonym for realclean.
973
974Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
975
976 * run.c (sim_callback_write_stdout): New.
977 * interp.c (trap): Call sim_callback_write_stdout when needed.
978
979Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
980
981 * interp.c (trap): Remove useless code.
982
983Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
984
985 * syscall.h: Copy from newlib.
986
987Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
988
989 * gencode.c: Back up PC by 2 for breakpoints.
990 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
991 which expect pc to immediatly follow regs[].
992
993Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
994
995 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
996 * configure: Rebuild.
997 * Makefile.in (INSTALL): Revert to using install.sh.
998 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
999 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
1000 (CC_FOR_BUILD): Restore.
1001 (gencode): Build using $(CC_FOR_BUILD).
1002 (install): Don't install in $(tooldir).
1003
1004Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1005
1006 (Try to) Update to new bfd autoconf scheme.
1007 * run.c: Don't include sysdep.h.
1008 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
1009 (CC, CFLAGS, AR, RANLIB): Likewise.
1010 (HDEFINES, TDEFINES): Define.
1011 (CC_FOR_BUILD): Delete.
1012 (host_makefile_frag): Delete.
1013 (Makefile): Don't depend on frags.
1014 * configure.in (sysdep.h): Don't create symlink.
1015 (host_makefile_frag, frags): Deleted.
1016 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
1017 * configure: Regenerated.
1018
1019Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1020
1021 * interp.c: Include <math.h>.
1022
1023Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
1024
1025 * Makefile.in (run): Link in math library too.
1026 * gencode.c (gensim): abort if an unknown opcode is encountered.
1027 * interp.c (FPSCR, FPUL): Define.
1028 (struct save_state): Add fields for floating point registers,
1029 FPSCR and FPUL.
1030 (sim_resume): Add 'F' for accessing floating point registers
1031 in the save state structure.
1032 * gencode.c: Add sh3e opcodes.
1033 (gensym): Define a buffer for int<->fp conversions.
1034
1035Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1036
1037 * interp.c (trap): Use trap vector 34 for host system interface.
1038 * gencode.c: Add 34 to conditional which determines which traps
1039 will be handled by simulator.
1040
1041Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1042
1043 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
1044 (main): New variables reason and sigrc. After simulator exits,
1045 check to see if it exited because of a signal, and if so, then
1046 use the signal number as the return value.
1047
1048Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
1049
1050 * Update all FSF addresses except those in COPYING* files.
1051
1052Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
1053
1054 * interp.c (trap): Only use SYS_execv if defined. Might be
1055 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
1056 (sim_resume): In sbit initializer, cast shifted arg to unsigned
1057 to avoid signed integer overflow.
1058
1059Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1060
1061 * Makefile.in (clean): Remove run, libsim.a.
1062 (distclean, mostlyclean, realclean): Remove Makefile and
1063 autoconf files.
1064
1065 * sh.mt: Removed.
1066
1067 * Makefile.in, configure.in: converted to autoconf.
1068 * configure: New file, generated with autconf 2.4.
1069
1070Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
1071
1072 * interp.c (sim_open): If argument supplied, interpret as
1073 desired memory size.
1074 (parse_and_set_memory_size): New function.
1075 (sim_do_command): New function.
1076
1077Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
1078
1079 * interp.c (SYS_wait): Define as SYS_wait4 if available and
1080 SYS_wait is not already defined (SunOS 4.1.3 for example).
1081 (SYS_utime): Define as SYS_utimes if available and
1082 SYS_utime is not already defined.
1083
1084Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
1085
1086 * interp.c: Don't include sys/times.h or sys/param.h
1087
1088Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
1089
1090 * interp.c (SIGBUS, SIGTERM): Define if not.
1091 (sim_memory_size): default to 2^19 on PCs.
1092 (sim_resume): Poll for quits on win32.
1093
1094Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
1095
1096 * gencode.c (op_tab): Add SH3 support.
1097
1098Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
1099
1100 * gencode.c (tab): Add bsrf and braf.
1101
1102Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
1103
1104 * configure.in: use ../../bfd/hosts/std-host.h, not
1105 ../bfd/hosts/std-host.h (which doesn't exist).
1106
1107Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
1108
1109 * run.c: parse arguments with getopt().
1110
1111Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
1112
1113 * configure.in: Use ../../bfd/hosts/std-host.h if specific
1114 host unavailable.
1115
1116Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
1117
1118 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
1119
1120Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
1121
1122 * gencode.c (op_tab): Make MAC.W call macw, not abort.
1123 * interp.c (macw): New function.
1124 (S): New #define.
1125
1126Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
1127
1128 * gencode.c (op_tab): New code for ADDV and SUBV.
1129 Make MAC.L abort sicne it is not implemented.
1130
1131 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
1132 Get rid of __GNUC__ conditional.
1133
1134aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
1135
1136 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
1137 Change ADDC for symmetry.
1138
1139 * gencode.c (op_tab): Replace code for ADDC and SUBC.
1140
1141Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
1142
1143 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
1144 declare IOMEM before using it.
1145
1146Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
1147
1148 * interp.c (BUSERROR): New macro.
1149 ([r|w][bwl]at[little|big]) New functions.
1150 (sim_resume): If GO32 check for interrupt every now
1151 and again. Decrement PC if SIGBUS seen.
1152 * run.c (main): Return result of simulated _exit.
1153
1154Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
1155
1156 * Makefile.in (gencode): Allow build in different directory.
1157
1158Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
1159
1160 * Makefile.in (gencode): Change $< to gencode.c for portability.
1161
1162Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
1163
1164 * interp.c ([wr][bwl]at): New functions.
1165 (trap): Cope with both byte modes.
1166
1167Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
1168
1169 * gencode.c (tab): Simulate T bit after a negc insn right.
1170 * interp.c (RSBAT): Sign extend the arg.
1171 (ACE_FAST): New macro.
1172 (sim_resume): Remove obsolete test of sim_timeout.
1173
1174Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
1175
1176 * interp.c (IOMEM): New function, simulates very basic I/O area of
1177 the SH.
1178 (WBAT, RBAT) : Call I/O functions.
1179 * gencode.c (tab): Special case trapa #3.
1180
1181Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
1182
1183 * run.c (main): Specify the file type again.
1184
1185Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
1186
1187 * interp.c (trap): Fix irix incompatibility.
1188 * run.c (main): open without specifying file type.
1189
1190Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
1191
1192 * interp.c (sim_*): Make result void where there isn't one.
1193 (sim_set_pc): Delete.
1194 (sim_info): Delete printf_fn arg, all callers changed.
1195 Call printf_filtered instead.
1196 (sim_close): New function.
1197 (sim_load): New function.
1198 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
1199 * run.c: #include <varargs.h>, "remote-sim.h".
1200 (printf_filtered): New function.
1201
1202Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
1203
1204 * gencode.c (table): Get direction of some opcodes right.
1205 (trapa, rte): Implement fully.
1206 * interp.c (trap): Make stat call more portable.
1207
1208Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
1209
1210 * gencode.c (main, gendefines): New -d option prints table of defines.
1211 * interp.c (trap): Add a load of system calls.
1212 (sim_memory_size): Now default to 8Mbyte.
1213 (PARANOID): Keep vector of registers with undefined contents.
1214
1215Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
1216
1217 * gencode.c: mova uses aligned addresses
1218 * interp.c (trap): Return results in r0.
1219
1220Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
1221
1222 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
1223 * interp.c: #include "remote-sim.h".
1224 (sim_resume): int result, new arg `siggnal'.
1225 (sim_write): Use SIM_ADDR for type of arg `addr'.
1226 (sim_read): Use SIM_ADDR for type of arg `addr'.
1227 Use unsigned char * for `buffer'.
1228 (sim_store_register): int result.
1229 (sim_fetch_register): Ditto.
1230 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
1231 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
1232 (sim_info): int result, new args `verbose', `printf_fn'.
1233 (sim_kill): int result.
1234 (sim_open): int result, new arg `name'.
1235 * run.c: #include <stdio.h>
1236 (main): Update call to sim_info.
1237
1238Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
1239
1240 * interp.c (sim_stop_signal): Result is now enum sim_stop.
1241
1242Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1243
1244 * gencode.c (table): Becomes unsigned.
1245 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
1246 sim_read): Return number of bytes copied. (sim_store_register):
1247 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
1248
1249Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
1250
1251 * interp.c (sim_info): Fix small typo in printf string.
1252
1253Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
1254
1255 * interp.c (sim_resume): Set memory after pointers inited.
1256
1257Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1258
1259 * interp.c (get_now): Use time system call.
1260 * Makefile.in: install correctly.
1261
1262Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1263
1264 * run.c (main), interp.c (sim_set_timeout): Remove timeout
1265 functionality.
1266
1267Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
1268
1269 * Makefile.in: don't run indent everytime; also add a space in the
1270 includes
1271
1272Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
1273
1274 * gencode.c: Fix some opcodes.
1275 * interp.c: Support for profiling and portability fixes.
1276 * run.c (main): Get profiling args.
1277
1278Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
1279
1280 * gencode.c (tab): Lint for sgi compiler
1281 * interp.c: Lint for sgi compiler.
1282
1283Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1284
1285 * run.c (main): Support for resizing simulated RAM.
1286 * Makefile.in: Support for broken makes.
1287 * interp.c, gencode.c: Lint.
1288
1289Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)
1290
1291 * created
1292
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