3 * interp.c (<sys/mman.h>): Include.
4 (mcalloc): New function / macro.
6 (sim_size): Use mcalloc and mfree.
10 * interp.c (strswaplen): Add one for '\0' delimiter.
14 * gencode.c (tab): Avoid lvalue casts. Suggested by
19 * gencode.c (tab): Avoid inserting code before variables all declared.
23 * configure: Regenerate.
27 * configure.ac: Sinclude aclocal.m4 before common.m4. Add
28 explicit call to AC_CONFIG_HEADER.
29 * configure: Regenerate.
33 * configure.ac: Update to use ../common/common.m4.
34 * configure: Re-generate.
38 * configure: Regenerated to track ../common/aclocal.m4 changes.
42 * configure.ac: Rename configure.in, require autoconf 2.59.
43 * configure: Re-generate.
47 * configure: Regenerate for ../common/aclocal.m4 update.
52 * gencode.c (movua.l): Compensate for endianness.
56 * interp.c (RAISE_EXCEPTION_IF_IN_DELAY_SLOT): New macro.
57 (in_delay_slot): New flag variable.
58 (Delay_Slot): Set in_delay_slot.
59 (sim_resume): Reset in_delay_slot after leaving code switch.
60 * gencode.c (op tab): Call RAISE_EXCEPTION_IF_IN_DELAY_SLOT for all
61 instructions not allowed in delay slots.
66 Introduce SH2a support.
67 * interp.c: Change type of jump table to short. Add various macros.
68 (sim_load): Save the bfd machine code.
69 (sim_create_inferior): Ditto.
70 (union saved_state_type): Add tbr, ibnr and ibcr registers.
71 Move bfd_mach to end of struct. Add regstack pointer.
72 (init_dsp): Don't swap contents of sh_dsp_table any more. Instead
73 use it directly in its own switch statement. Allocate space for 512
75 (do_long_move_insn): New function.
76 (do_blog_insn): Ditto.
77 (trap): Use trap #13 and trap #14 to set ibnr and ibcr.
78 * gencode.c: Move movx/movy insns into separate switch statement.
79 (op tab): Add sh2a insns. Reject instructions that are disabled
81 (gensim_caselist): Generate default case here instead of in caller.
82 (gensim): Generate two separate switch statements. Call
83 gensim_caselist once for each (for movsxy_tab and for tab).
84 Add tokens for r15 and multiple regs.
85 (conflict_warn, warn_conflicts): Add for debugging.
89 * gencode.c (tab): For shad snd shld, fix result for
90 (op1 < 0 && shift_amount == 0).
94 * gencode.c (movua.l): Set thislock to 0, not n.
98 * gencode.c (table): Change from char to short.
99 (dumptable): Change generated table from char to short.
100 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): char to short.
101 (init_dsp): Compute size of sh_dsp_table.
102 (sim_resume): Change jump_table from char to short.
106 * gencode.c: (op tab): Some refs and defs fixes.
107 "fsrra" -> "fsrra <FREG_N>".
108 "sleep": replace array ref with array addr.
110 Comment and whitespace clean-ups.
114 * gencode.c: Whitespace cleanup.
117 * gencode.c: Replace 'Hitachi' with 'Renesas'.
118 (op tab): Add new instructions for sh4a, DBR, SBR.
119 (expand_opcode): Add handling for new movxy combinations.
120 (gensym_caselist): Ditto.
121 (expand_ppi_movxy): Remove movx/movy expansions,
122 now handled in expand_opcode.
123 (gensym): Add some helpful macros.
124 (expand_ppi_code): Flatten loop for simplicity, tweak for 12-bit
125 instead of 8-bit table (some insns are ambiguous to 8 bits).
126 (ppi_gensim, main): Generate 12-bit instead of 8-bit ppi table.
128 * interp.c: Replace 'Hitachi' with 'Renesas'.
129 (union saved_state_type): Add dbr, sgr, ldst.
130 (get_loop_bounds_ext): New function.
131 (init_dsp): Add bfd_mach_sh4al_dsp.
132 (sim_resume): Handle extended loop bounds.
136 * gencode.c (expand_opcode): Simplify and reorganize.
137 Eliminate "shift" parameter. Eliminate "4 bits at a time"
138 assumption. Flatten switch statement to a single level.
139 Add "eeee" token for even-numbered registers.
141 (fsca): Use "eeee" token.
142 (ppi_moves): Rename to "expand_ppi_movxy". Do the ddt
143 [movx/movy] expansion here, as well as the ppi expansion.
144 (gensim_caselist): Accept 'eeee' along with 'nnnn'.
148 * interp.c (fsca_s, fsrra_s): New functions.
149 * gencode.c (tab): Add entries for fsca and fsrra.
150 (expand_opcode): Allow variable length n / m fields.
154 * syscall.h (SYS_truncate, SYS_ftruncate): Define.
155 * interp.c (trap): Add support for SYS_ftruncate and SYS_truncate.
158 * sim/sh/gencode.c ( tab[] ): Addition of MAC.L handler and
159 correction for MAC.W handler
160 * sim/sh/interp.c ( macl ): New Function. Implementation of
165 * gencode.c (expand_ppi_code): Comment spelling fix.
169 * gencode.c (pshl): Change < to <= (shift by 16 is allowed).
170 Cast argument of >> to unsigned to prevent sign extension.
171 (psha): Change < to <= (shift by 32 is allowed).
175 * gencode.c: Fix typo in comment.
179 * gencode.c: A few more fix-ups of refs and defs.
180 (frchg): Raise SIGILL if in double-precision mode.
181 (ldtlb): We don't simulate cache, so this is a no-op.
182 (movsxy_tab): Correct a few bit pattern errors.
186 * gencode.c (prnd): Clear LSW of result to zeros.
187 * gencode.c (pmuls): Expression is mis-parenthesized.
188 * gencode.c (ppi_gensim): For a conditional ppi insn, if the
189 condition is false, we want to return (not break). A break
190 will take us to the end of the function where registers will
191 be updated, whereas the desired outcome is for nothing to change.
195 * gencode.c (movs): Fix a couple of text transpositions.
199 * gencode.c (op tab): Some fix-ups of refs and defs.
200 (ocbi, ocbp): Cache not simulated, but may cause memory fault.
201 (gensym_caselist): Add default case to switch statement.
202 (expand_ppi_code): Add default case to switch statement.
203 * gencode.c (op tab): Implement movca.l.
204 * gencode.c (op movsxy_tab): Fix an error in the bit pattern.
205 * gencode.c (gensim_caselist): The movy instructions use
206 registers R6 and R7 (not R4 and R5 like the movx insns).
210 * gencode.c (op movsxy_tab): Fix up some copy/paste errors
211 in name: s/REG_x/REG_y/.
213 * gencode.c (op tab): Move misplaced semicolon.
217 * interp.c (init_dsp, sim_open, sim_create_inferior): Rename _bfd
222 * interp.c (trap): Return int. Take extra parameter for address
223 of the trap instruction. Changed all callers.
224 Add case 33 for profiling.
225 * gencode.c (trapa): Handle trap 33 using the trap function.
226 Add read of vector for generic traps.
230 * Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
231 * interp.c: Include "gdb/sim-sh.h".
232 (sim_store_register, sim_fetch_register): Use constants defined there.
236 * interp.c (sim_resume): Fix setting of bus error for
241 * configure: Regenerated to track ../common/aclocal.m4 changes.
245 * interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
249 * interp.c (sim_create_inferior): Record program arguments for
250 later inspection by the trap handler.
251 (count_argc): New function.
252 (prog_argv): Declare static.
253 (sim_write): Declare.
254 (trap): Implement argc, argnlen and argn system calls. Do not
255 abort on unknown system calls--simply return -1.
256 * syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
260 * interp.c (trap): Implement time.
264 * gencode.c (tab): Delimit strings with commas where applicable.
268 * configure: Regenerated to track ../common/aclocal.m4 changes.
272 sh-dsp support, simulator speedup by using host byte order:
274 * Makefile.in (interp.o): Depends on ppi.c .
276 * gencode.c (printonmatch, think, genopc): Deleted.
277 (MAX_NR_STUFF): Now 42.
278 (tab): Add SH-DSP CPU instructions.
279 Amalgamate ldc / stc / lds / sts instructions with similar
280 bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
281 Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
282 (movsxy_tab): New array.
283 For movs, change MMMM field to GGGG, and mmmm field to MMMM.
284 Added entries for movx, movy and parallel processing insns.
285 (ppi_tab): New array.
286 (qfunc): Stabilize sort.
287 (expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
288 Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
289 (dumptable): Now takes three arguments. Changed all callers.
290 Emit just one contigous jump table.
291 (filltable): Now takes an argument. Changed all callers.
293 (ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
294 (gensim_caselist): New function, broken out of gensim.
295 Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
297 (gensim): Handle 'N' in code field and '8' in refs field.
298 Call gensim_caselist - twice.
299 (ppi_index): New static variable.
300 (main): Unsupport default action.
301 Add dsp support for -x / -s option. Add -p option.
302 * interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
303 (saved_state_type): Rearrange to allow amalgamated ldc / stc /
304 lds / sts to work efficiently.
305 (target_dsp): New static variable.
306 (GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
307 (FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
308 (SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
309 (RS, RE, MOD, MOD_ME, DSP_R): Likewise.
310 (set_fpscr1): Likewise. Use target_dsp to check for dsp.
311 (MOD_MSi, SIG_BUS_FETCH): Deleted.
312 (CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
313 (SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
314 (SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
315 of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
316 (set_sr): Reflect saved_state_type change. Fix SR_RB handling.
318 (MA, L, TL, TB): Now controlled by ACE_FAST.
319 (SEXT32): Just cast to int.
320 (SIGN32): Fixed to only shift by 31.
321 (CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
324 (init_dsp): Set target_dsp. When it changes, switch end of
325 sh_jump_table with sh_dsp_table.
326 (sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
327 Don't Declare PR if it's #defined.
328 Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
329 (sim_store_register, sim_read_register): Translate accesses to
330 reflect saved_state_type change.
332 * interp.c (set_sr): Set sr.
333 (SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
334 (set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
335 (DSP_R): Fix definition.
336 (sim_resume): Remove outdated SET_SR use.
338 * interp.c (saved_state): New members for struct member asregs:
339 rs, re, insn_end, xram_start, yram_start.
340 (struct loop_bounds): New struct.
341 (SKIP_INSN): New macro.
342 (get_loop_bounds): New function.
343 (endianw): Renamed to global_endianw.
344 (maskw): negated bits.
346 (SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
347 (RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
348 (M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
349 (SIG_BUS_FETCH): Likewise
350 (raise_exception, riat_fast): New functions.
351 (raise_buserror, sim_stop): Use raise_exception.
352 (PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
353 (BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
354 Reverse sense of mask argument.
355 (FP_OP, set_dr): Use RAISE_EXCEPTION.
356 (wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
357 Declare. Remove redundant masking.
358 (wwat_fast, rwat_fast): Add argument endianw. Changed callers.
359 (MA): Updated for change pc -> PC.
360 (Delay_Slot): Use RIAT.
362 (trap): Remove argument little_endian. Add argument endianw.
363 Changed all callers. Use raise_exception.
364 (macw): Add argument endainw. Changed all callers.
365 (init_dsp): New function, extended after broken out of init_pointers.
366 (sim_resume): Replace pc with insn_ptr. Replace little_endian with
367 endianw. Replace nia with nip. Reverse sense of maskb / maskw /
368 maskl. Implement logic for zero-overhead loops. Don't try to
369 interpret garbage when getting a SIGBUS at insn fetch.
370 (sim_open): Call init_dsp.
371 * gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
372 RAISE_EXCEPTION where appropriate.
373 Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
375 * interp.c (sim_store_register, sim_fetch_register):
376 Do proper endianness switch.
378 * interp.c (saved_state_type): New members for struct member asregs:
379 xymem_select, xmem, ymem, xmem_offset, ymem_offset.
380 (special_address): Delete.
381 (BUSERROR): Now a two-argument predicate.
382 (PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
383 (wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
384 (process_wlat_addr, process_wwat_addr): New functions.
385 (process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
386 (process_rbat_addr): Likewise.
387 (wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
388 (rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
389 (rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
390 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
391 (do_rdat, trap): Delete SLOW code.
392 (SEXT32, SIGN32): New macros.
393 (swap, swap16): Now integer in - integer out. Changed all callers.
394 (strswaplen, strnswap): Delete SLOW versions.
395 (init_pointers): Initialize dsp memory selection (preliminary).
396 (sim_store_register, sim_fetch_register): Use swap instead of
397 big / little endian read / write functions.
399 * interp.c (maskl): Deleted.
400 (endianw, endianb): New variables.
401 (special_address): Now inline.
402 (bp_holder): Put raising of buserror there, rename to:
404 (BUSERROR): Now yields a value. Changed all users.
406 (wlat_fast, wwat_fast, wbat_fast): New functions.
407 (rlat_fast, rwat_fast, rbat_fast): Likewise.
408 (RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
409 (do_rdat, do_wdat): Likewise. Take maskl argument instead of
410 little_endian one. Changed caller macros.
411 (swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
412 (strswaplen, strnswap): New functions.
413 (trap): Use them to fix up endian mismatches;
414 disable SYS_execve and SYS_execv; fix double address translation for
415 SYS_pipe and SYS_stat.
416 (sym_write, sym_read): Add endianness translation.
417 (sym_store_register, sym_fetch_register): Add maskl local variable.
418 (sim_open): Set endianw and endianb.
422 * configure: Regenerated to track ../common/aclocal.m4 changes.
426 * gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
427 union type, instead of casting to an int* then a float*.
428 (fcnvsd FPUL,<DR_N>): Likewise.
429 (flds <FREG_N>,FPUL): Likewise.
430 (fsts FPUL,<FREG_N>): Likewise.
434 * configure: Regenerated to track ../common/aclocal.m4 changes.
438 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
439 frequency at which the poll_quit callback is called.
440 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
445 * interp.c (saved_state.asregs): Add new member pad_dummy.
446 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
447 as index into saved_state.asints.
451 * interp.c (sim_open): set endianness based on the ABFD if a -E
452 option is not present and we have an ABFD.
456 * configure: Regenerated to track ../common/aclocal.m4 changes.
458 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
460 * configure: Regenerated to track ../common/aclocal.m4 changes.
465 * acconfig.h: New file.
466 * configure.in: Reverted change of Apr 24; use sinclude again.
468 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
470 * configure: Regenerated to track ../common/aclocal.m4 changes.
475 * configure.in: Don't call sinclude.
479 * configure: Regenerated to track ../common/aclocal.m4 changes.
483 * configure: Regenerated to track ../common/aclocal.m4 changes.
487 * configure: Regenerated to track ../common/aclocal.m4 changes.
491 * configure: Regenerated to track ../common/aclocal.m4 changes.
495 * interp.c (sim_fetch_register, sim_store_register): Pass in
496 length parameter. Return -1.
500 * configure: Regenerated to track ../common/aclocal.m4 changes.
504 * configure: Regenerated to track ../common/aclocal.m4 changes.
506 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
508 * configure: Regenerated to track ../common/aclocal.m4 changes.
512 * configure: Regenerated to track ../common/aclocal.m4 changes.
517 * configure: Regenerated to track ../common/aclocal.m4 changes.
521 * interp.c (sim_load): Pass lma_p and sim_write args to
526 * configure: Regenerated to track ../common/aclocal.m4 changes.
530 * configure: Regenerated to track ../common/aclocal.m4 changes.
534 * configure: Regenerated to track ../common/aclocal.m4 changes.
538 * configure: Regenerated to track ../common/aclocal.m4 changes.
542 * configure: Regenerated to track ../common/aclocal.m4 changes.
546 * configure: Regenerated to track ../common/aclocal.m4 changes.
550 * interp.c (sim_resume): poll_quit() at least once per call;
551 otherwise gdb can loop sim_resume() uninterruptably.
553 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
555 * configure: Regenerated to track ../common/aclocal.m4 changes.
559 * gencode.c (tab): Order instructions according to SH3 document.
563 * configure: Regenerated to track ../common/aclocal.m4 changes.
568 * interp.c (sim_kill): Delete.
569 (sim_create_inferior): Add ABFD argument.
570 (sim_load): Move setting of PC from here.
571 (sim_create_inferior): To here.
575 * configure: Regenerated to track ../common/aclocal.m4 changes.
580 * interp.c (sim_open): Add ABFD argument.
584 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
590 * interp.c (XD, SET_XD): Delete.
591 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
594 * gencode.c (fmov): Update.
598 * interp.c (set_fpscr1): From J"orn Rennecke
603 * interp.c (special_address): New function.
604 (BUSERROR): Call it. Added parameters bits_written and data.
606 * gencode.c (tab): Fixed ocbwb and pref.
610 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
614 * interp.c (sim_create_inferior): Clear registers each time an
619 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
620 when a host doesn't support IEEE FP.
621 (*DP): Provide alternative definition that supports 64bit floating
623 (target_little_endian): Combine little_endian and little_endian_p.
624 (saved_state_type): Make fpscr and sr simple integers.
625 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
626 (set_fpscr1): New function. Handle swapping when PR / FR bits
627 changed. Call via *_FPSCR macro.
628 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
631 * gencode.c (tab): Update.
635 * gencode.c (main): Perform basic checks on tab entries.
637 * Makefile.in (gencode): Always compile with -g.
641 * gencode.c (gensim): Move ref checking code to before `stuff'.
642 For branches with delay slots refs were not being checked.
644 * interp.c (sim_resume): Use nia to specify the next instruction
645 address instead of overloading pc.
646 (C): Delete definiton - refer to cycles directly.
647 (SEXT12): New macro - sign extend a 12 bit quantity.
648 (Delay_Slot): Rename from SL.
650 * gencode.c (tab): Update/simplify.
652 * gencode.c (gensim): Better formatting of output code.
653 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
654 (tab): Sort alphabetically. Break `stuff' into multiple lines.
658 * gencode.c (braf, bsrf): Fix branch destination calculation to
659 be in accordance with the documentation.
663 * interp.c (init_pointers): Fix little endian test.
667 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
668 * gencode (fmov from/to memory): take endian_mismatch into account
669 for 32 bit moves too.
673 * gencode.c (swap.b): Fix treatment of high word.
678 * interp.c: experimental SH4 support.
679 DFmode moves are probaly broken for target little endian.
683 * interp.c (sim_open): Add callback argument.
684 (sim_set_callbacks): Delete SIM_DESC argument.
688 * Makefile.in (SIM_EXTRA_CLEAN): Define.
689 (clean targets): Delete.
690 (sh-clean): New target.
694 * configure: Regenerated to track ../common/aclocal.m4 changes.
698 * tconfig.in: New file.
699 * interp.c (sim_open): Handle missing arg to -E.
703 * Makefile.in: Add clean targets.
707 * interp.c: Include float.h and define SIGTRAP if _WIN32.
709 * (trap): Do do SYS_chown for _WIN32.
713 * interp.c (sim_resume): Fix argument to poll_quit.
717 * interp.c (sim_stop): New function.
718 (sim_resume): Use poll_quit for polling.
722 * Makefile.in (SIM_OBJS): Add sim-load.o.
723 * interp.c (target_byte_order): Delete.
724 (sim_kind, myname, little_endian_p): New static locals.
725 (init_pointers): Use little_endian_p instead of target_byte_order.
726 (sim_resume): Likewise.
727 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
728 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
729 load file into simulator. Set start address from bfd.
730 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
734 * configure: Regenerated to track ../common/aclocal.m4 changes.
739 * interp.c (sim_open): New arg `kind'.
741 * configure: Regenerated to track ../common/aclocal.m4 changes.
745 * configure: Regenerated to track ../common/aclocal.m4 changes.
749 * interp.c (sim_do_command): Check for NULL command or empty
750 string and handle it the same as a "help" command. Use callback
751 to print error message for unrecognized commands. Replace
752 hardcoded tab in literal string with a \t. Other minor code
757 * configure: Regenerated to track ../common/aclocal.m4 changes.
761 * configure: Re-generate.
765 * configure: Regenerate to track ../common/aclocal.m4 changes.
769 * interp.c (sim_open): New SIM_DESC result. Argument is now
771 (other sim_*): New SIM_DESC argument.
775 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
776 COMMON_{PRE,POST}_CONFIG_FRAG instead.
777 * configure.in: sinclude ../common/aclocal.m4.
778 * configure: Regenerated.
782 * configure configure.in Makefile.in: Update to new configure
783 scheme which is more compatible with WinGDB builds.
784 * configure.in: Improve comment on how to run autoconf.
785 * configure: Re-run autoconf to get new ../common/aclocal.m4.
786 * Makefile.in: Use autoconf substitution to install common
791 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
792 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
793 * configure.in: Simplify using macros in ../common/aclocal.m4.
794 Call AC_CHECK_HEADERS(unistd.h).
795 * configure: Regenerated.
796 * config.in: New file.
797 * interp.c: #include "config.h". #include <unistd.h> if present.
798 (trap): Fetch errno value with callback->get_errno.
802 * interp.c: Don't include windows polling code if inside simluator.
806 * interp.c: Minor formatting improvements.
807 (saved_state_type): Add bank registers.
808 (bp_holder): New function, use to break on when debugging BUSERROR.
809 (BUSERROR): Call it if bus error occurs.
813 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
814 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
816 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
817 (AC_PROG_INSTALL): Added.
818 * configure: Rebuilt.
822 * interp.c (saved_state_type): Add memstalls field.
824 (sim_resume): New local variable memstalls. Add it back in to
825 saved_state at the end of the function.
826 (sim_info): Report memstalls.
827 * gencode.c (tab): Add MA() to the execution string of all
828 instructions which access memory.
832 * configure: Regenerate with autoconf 2.7.
836 * gencode.c (mac.l): Don't abort GDB if executing mac.l
837 instruction (which is unimplemented). Generate a SIGTRAP (in the
838 simulated target) instead.
842 * gencode.c (tab): Added several sh3 opcodes.
843 (think): Added printonmatch for A_SSR and A_SPC.
844 * interp.c (SSR, SPC): Added definitions.
845 (saved_state_type): Added ssr and spc registers.
849 * gencode.c (tab): In shad/shld definitions, negate R[m] before
850 the and operation instead of after. For shad delete cast. For shld
851 use UR instead of R and delete cast.
855 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
859 * interp.c: Make target_byte_order be extern to prevent SGI cc from
860 issuing warnings about the use of common symbols.
864 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
869 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
871 (sim_get_quit_code): Delete.
873 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
878 * interp.c (saved_state_type): Move FP registers to immediately
883 * Makefile.in (BISON): Remove macro.
887 * interp.c (trap, case SYS_utime): Cast second arg of utime to
888 void * to avoid compiler error.
890 * interp.c (callback): Remove last change. It is initialized by
891 a sim_set_callbacks call.
895 * interp.c (callback): Initialize to default callback.
899 * run.c: Moved to ../common.
900 * interp.c (trap): Use gdb's callback interface.
901 * Makefile.in: Updated.
905 * Makefile.in (maintainer-clean): New synonym for realclean.
909 * run.c (sim_callback_write_stdout): New.
910 * interp.c (trap): Call sim_callback_write_stdout when needed.
914 * interp.c (trap): Remove useless code.
918 * syscall.h: Copy from newlib.
922 * gencode.c: Back up PC by 2 for breakpoints.
923 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
924 which expect pc to immediatly follow regs[].
928 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
929 * configure: Rebuild.
930 * Makefile.in (INSTALL): Revert to using install.sh.
931 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
932 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
933 (CC_FOR_BUILD): Restore.
934 (gencode): Build using $(CC_FOR_BUILD).
935 (install): Don't install in $(tooldir).
939 (Try to) Update to new bfd autoconf scheme.
940 * run.c: Don't include sysdep.h.
941 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
942 (CC, CFLAGS, AR, RANLIB): Likewise.
943 (HDEFINES, TDEFINES): Define.
944 (CC_FOR_BUILD): Delete.
945 (host_makefile_frag): Delete.
946 (Makefile): Don't depend on frags.
947 * configure.in (sysdep.h): Don't create symlink.
948 (host_makefile_frag, frags): Deleted.
949 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
950 * configure: Regenerated.
954 * interp.c: Include <math.h>.
958 * Makefile.in (run): Link in math library too.
959 * gencode.c (gensim): abort if an unknown opcode is encountered.
960 * interp.c (FPSCR, FPUL): Define.
961 (struct save_state): Add fields for floating point registers,
963 (sim_resume): Add 'F' for accessing floating point registers
964 in the save state structure.
965 * gencode.c: Add sh3e opcodes.
966 (gensym): Define a buffer for int<->fp conversions.
970 * interp.c (trap): Use trap vector 34 for host system interface.
971 * gencode.c: Add 34 to conditional which determines which traps
972 will be handled by simulator.
976 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
977 (main): New variables reason and sigrc. After simulator exits,
978 check to see if it exited because of a signal, and if so, then
979 use the signal number as the return value.
983 * Update all FSF addresses except those in COPYING* files.
985 Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
987 * interp.c (trap): Only use SYS_execv if defined. Might be
988 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
989 (sim_resume): In sbit initializer, cast shifted arg to unsigned
990 to avoid signed integer overflow.
994 * Makefile.in (clean): Remove run, libsim.a.
995 (distclean, mostlyclean, realclean): Remove Makefile and
1000 * Makefile.in, configure.in: converted to autoconf.
1001 * configure: New file, generated with autconf 2.4.
1005 * interp.c (sim_open): If argument supplied, interpret as
1006 desired memory size.
1007 (parse_and_set_memory_size): New function.
1008 (sim_do_command): New function.
1012 * interp.c (SYS_wait): Define as SYS_wait4 if available and
1013 SYS_wait is not already defined (SunOS 4.1.3 for example).
1014 (SYS_utime): Define as SYS_utimes if available and
1015 SYS_utime is not already defined.
1019 * interp.c: Don't include sys/times.h or sys/param.h
1023 * interp.c (SIGBUS, SIGTERM): Define if not.
1024 (sim_memory_size): default to 2^19 on PCs.
1025 (sim_resume): Poll for quits on win32.
1029 * gencode.c (op_tab): Add SH3 support.
1033 * gencode.c (tab): Add bsrf and braf.
1037 * configure.in: use ../../bfd/hosts/std-host.h, not
1038 ../bfd/hosts/std-host.h (which doesn't exist).
1042 * run.c: parse arguments with getopt().
1046 * configure.in: Use ../../bfd/hosts/std-host.h if specific
1051 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
1055 * gencode.c (op_tab): Make MAC.W call macw, not abort.
1056 * interp.c (macw): New function.
1061 * gencode.c (op_tab): New code for ADDV and SUBV.
1062 Make MAC.L abort sicne it is not implemented.
1064 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
1065 Get rid of __GNUC__ conditional.
1069 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
1070 Change ADDC for symmetry.
1072 * gencode.c (op_tab): Replace code for ADDC and SUBC.
1076 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
1077 declare IOMEM before using it.
1081 * interp.c (BUSERROR): New macro.
1082 ([r|w][bwl]at[little|big]) New functions.
1083 (sim_resume): If GO32 check for interrupt every now
1084 and again. Decrement PC if SIGBUS seen.
1085 * run.c (main): Return result of simulated _exit.
1089 * Makefile.in (gencode): Allow build in different directory.
1093 * Makefile.in (gencode): Change $< to gencode.c for portability.
1097 * interp.c ([wr][bwl]at): New functions.
1098 (trap): Cope with both byte modes.
1102 * gencode.c (tab): Simulate T bit after a negc insn right.
1103 * interp.c (RSBAT): Sign extend the arg.
1104 (ACE_FAST): New macro.
1105 (sim_resume): Remove obsolete test of sim_timeout.
1109 * interp.c (IOMEM): New function, simulates very basic I/O area of
1111 (WBAT, RBAT) : Call I/O functions.
1112 * gencode.c (tab): Special case trapa #3.
1116 * run.c (main): Specify the file type again.
1120 * interp.c (trap): Fix irix incompatibility.
1121 * run.c (main): open without specifying file type.
1125 * interp.c (sim_*): Make result void where there isn't one.
1126 (sim_set_pc): Delete.
1127 (sim_info): Delete printf_fn arg, all callers changed.
1128 Call printf_filtered instead.
1129 (sim_close): New function.
1130 (sim_load): New function.
1131 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
1132 * run.c: #include <varargs.h>, "remote-sim.h".
1133 (printf_filtered): New function.
1137 * gencode.c (table): Get direction of some opcodes right.
1138 (trapa, rte): Implement fully.
1139 * interp.c (trap): Make stat call more portable.
1143 * gencode.c (main, gendefines): New -d option prints table of defines.
1144 * interp.c (trap): Add a load of system calls.
1145 (sim_memory_size): Now default to 8Mbyte.
1146 (PARANOID): Keep vector of registers with undefined contents.
1150 * gencode.c: mova uses aligned addresses
1151 * interp.c (trap): Return results in r0.
1155 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
1156 * interp.c: #include "remote-sim.h".
1157 (sim_resume): int result, new arg `siggnal'.
1158 (sim_write): Use SIM_ADDR for type of arg `addr'.
1159 (sim_read): Use SIM_ADDR for type of arg `addr'.
1160 Use unsigned char * for `buffer'.
1161 (sim_store_register): int result.
1162 (sim_fetch_register): Ditto.
1163 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
1164 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
1165 (sim_info): int result, new args `verbose', `printf_fn'.
1166 (sim_kill): int result.
1167 (sim_open): int result, new arg `name'.
1168 * run.c: #include <stdio.h>
1169 (main): Update call to sim_info.
1173 * interp.c (sim_stop_signal): Result is now enum sim_stop.
1177 * gencode.c (table): Becomes unsigned.
1178 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
1179 sim_read): Return number of bytes copied. (sim_store_register):
1180 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
1184 * interp.c (sim_info): Fix small typo in printf string.
1188 * interp.c (sim_resume): Set memory after pointers inited.
1192 * interp.c (get_now): Use time system call.
1193 * Makefile.in: install correctly.
1197 * run.c (main), interp.c (sim_set_timeout): Remove timeout
1200 Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
1202 * Makefile.in: don't run indent everytime; also add a space in the
1207 * gencode.c: Fix some opcodes.
1208 * interp.c: Support for profiling and portability fixes.
1209 * run.c (main): Get profiling args.
1213 * gencode.c (tab): Lint for sgi compiler
1214 * interp.c: Lint for sgi compiler.
1218 * run.c (main): Support for resizing simulated RAM.
1219 * Makefile.in: Support for broken makes.
1220 * interp.c, gencode.c: Lint.