3 * configure: Regenerated to track ../common/aclocal.m4 changes.
7 * interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
8 frequency at which the poll_quit callback is called.
9 (sim_resume): Use POLL_QUIT_INTERVAL instead of a
14 * interp.c (saved_state.asregs): Add new member pad_dummy.
15 (sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
16 as index into saved_state.asints.
20 * interp.c (sim_open): set endianness based on the ABFD if a -E
21 option is not present and we have an ABFD.
25 * configure: Regenerated to track ../common/aclocal.m4 changes.
27 Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
29 * configure: Regenerated to track ../common/aclocal.m4 changes.
34 * acconfig.h: New file.
35 * configure.in: Reverted change of Apr 24; use sinclude again.
37 Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
39 * configure: Regenerated to track ../common/aclocal.m4 changes.
44 * configure.in: Don't call sinclude.
48 * configure: Regenerated to track ../common/aclocal.m4 changes.
52 * configure: Regenerated to track ../common/aclocal.m4 changes.
56 * configure: Regenerated to track ../common/aclocal.m4 changes.
60 * configure: Regenerated to track ../common/aclocal.m4 changes.
64 * interp.c (sim_fetch_register, sim_store_register): Pass in
65 length parameter. Return -1.
69 * configure: Regenerated to track ../common/aclocal.m4 changes.
73 * configure: Regenerated to track ../common/aclocal.m4 changes.
75 Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
77 * configure: Regenerated to track ../common/aclocal.m4 changes.
81 * configure: Regenerated to track ../common/aclocal.m4 changes.
86 * configure: Regenerated to track ../common/aclocal.m4 changes.
90 * interp.c (sim_load): Pass lma_p and sim_write args to
95 * configure: Regenerated to track ../common/aclocal.m4 changes.
99 * configure: Regenerated to track ../common/aclocal.m4 changes.
103 * configure: Regenerated to track ../common/aclocal.m4 changes.
107 * configure: Regenerated to track ../common/aclocal.m4 changes.
111 * configure: Regenerated to track ../common/aclocal.m4 changes.
115 * configure: Regenerated to track ../common/aclocal.m4 changes.
119 * interp.c (sim_resume): poll_quit() at least once per call;
120 otherwise gdb can loop sim_resume() uninterruptably.
122 Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
124 * configure: Regenerated to track ../common/aclocal.m4 changes.
128 * gencode.c (tab): Order instructions according to SH3 document.
132 * configure: Regenerated to track ../common/aclocal.m4 changes.
137 * interp.c (sim_kill): Delete.
138 (sim_create_inferior): Add ABFD argument.
139 (sim_load): Move setting of PC from here.
140 (sim_create_inferior): To here.
144 * configure: Regenerated to track ../common/aclocal.m4 changes.
149 * interp.c (sim_open): Add ABFD argument.
153 * interp.c (get_dr): Avoid SIGFPE by moving integers instead of
159 * interp.c (XD, SET_XD): Delete.
160 (XF, SET_XF, XD_TO_XF): Define, move around registers in either
163 * gencode.c (fmov): Update.
167 * interp.c (set_fpscr1): From J"orn Rennecke
172 * interp.c (special_address): New function.
173 (BUSERROR): Call it. Added parameters bits_written and data.
175 * gencode.c (tab): Fixed ocbwb and pref.
179 * interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
183 * interp.c (sim_create_inferior): Clear registers each time an
188 * interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
189 when a host doesn't support IEEE FP.
190 (*DP): Provide alternative definition that supports 64bit floating
192 (target_little_endian): Combine little_endian and little_endian_p.
193 (saved_state_type): Make fpscr and sr simple integers.
194 (SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
195 (set_fpscr1): New function. Handle swapping when PR / FR bits
196 changed. Call via *_FPSCR macro.
197 (SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
200 * gencode.c (tab): Update.
204 * gencode.c (main): Perform basic checks on tab entries.
206 * Makefile.in (gencode): Always compile with -g.
210 * gencode.c (gensim): Move ref checking code to before `stuff'.
211 For branches with delay slots refs were not being checked.
213 * interp.c (sim_resume): Use nia to specify the next instruction
214 address instead of overloading pc.
215 (C): Delete definiton - refer to cycles directly.
216 (SEXT12): New macro - sign extend a 12 bit quantity.
217 (Delay_Slot): Rename from SL.
219 * gencode.c (tab): Update/simplify.
221 * gencode.c (gensim): Better formatting of output code.
222 (gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
223 (tab): Sort alphabetically. Break `stuff' into multiple lines.
227 * gencode.c (braf, bsrf): Fix branch destination calculation to
228 be in accordance with the documentation.
232 * interp.c (init_pointers): Fix little endian test.
236 * interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
237 * gencode (fmov from/to memory): take endian_mismatch into account
238 for 32 bit moves too.
242 * gencode.c (swap.b): Fix treatment of high word.
247 * interp.c: experimental SH4 support.
248 DFmode moves are probaly broken for target little endian.
252 * interp.c (sim_open): Add callback argument.
253 (sim_set_callbacks): Delete SIM_DESC argument.
257 * Makefile.in (SIM_EXTRA_CLEAN): Define.
258 (clean targets): Delete.
259 (sh-clean): New target.
263 * configure: Regenerated to track ../common/aclocal.m4 changes.
267 * tconfig.in: New file.
268 * interp.c (sim_open): Handle missing arg to -E.
272 * Makefile.in: Add clean targets.
276 * interp.c: Include float.h and define SIGTRAP if _WIN32.
278 * (trap): Do do SYS_chown for _WIN32.
282 * interp.c (sim_resume): Fix argument to poll_quit.
286 * interp.c (sim_stop): New function.
287 (sim_resume): Use poll_quit for polling.
291 * Makefile.in (SIM_OBJS): Add sim-load.o.
292 * interp.c (target_byte_order): Delete.
293 (sim_kind, myname, little_endian_p): New static locals.
294 (init_pointers): Use little_endian_p instead of target_byte_order.
295 (sim_resume): Likewise.
296 (sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
297 (sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
298 load file into simulator. Set start address from bfd.
299 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
303 * configure: Regenerated to track ../common/aclocal.m4 changes.
308 * interp.c (sim_open): New arg `kind'.
310 * configure: Regenerated to track ../common/aclocal.m4 changes.
314 * configure: Regenerated to track ../common/aclocal.m4 changes.
318 * interp.c (sim_do_command): Check for NULL command or empty
319 string and handle it the same as a "help" command. Use callback
320 to print error message for unrecognized commands. Replace
321 hardcoded tab in literal string with a \t. Other minor code
326 * configure: Regenerated to track ../common/aclocal.m4 changes.
330 * configure: Re-generate.
334 * configure: Regenerate to track ../common/aclocal.m4 changes.
338 * interp.c (sim_open): New SIM_DESC result. Argument is now
340 (other sim_*): New SIM_DESC argument.
344 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
345 COMMON_{PRE,POST}_CONFIG_FRAG instead.
346 * configure.in: sinclude ../common/aclocal.m4.
347 * configure: Regenerated.
351 * configure configure.in Makefile.in: Update to new configure
352 scheme which is more compatible with WinGDB builds.
353 * configure.in: Improve comment on how to run autoconf.
354 * configure: Re-run autoconf to get new ../common/aclocal.m4.
355 * Makefile.in: Use autoconf substitution to install common
360 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
361 (SIM_OBJS,SIM_EXTRA_LIBS): Define.
362 * configure.in: Simplify using macros in ../common/aclocal.m4.
363 Call AC_CHECK_HEADERS(unistd.h).
364 * configure: Regenerated.
365 * config.in: New file.
366 * interp.c: #include "config.h". #include <unistd.h> if present.
367 (trap): Fetch errno value with callback->get_errno.
371 * interp.c: Don't include windows polling code if inside simluator.
375 * interp.c: Minor formatting improvements.
376 (saved_state_type): Add bank registers.
377 (bp_holder): New function, use to break on when debugging BUSERROR.
378 (BUSERROR): Call it if bus error occurs.
382 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
383 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
385 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
386 (AC_PROG_INSTALL): Added.
387 * configure: Rebuilt.
391 * interp.c (saved_state_type): Add memstalls field.
393 (sim_resume): New local variable memstalls. Add it back in to
394 saved_state at the end of the function.
395 (sim_info): Report memstalls.
396 * gencode.c (tab): Add MA() to the execution string of all
397 instructions which access memory.
401 * configure: Regenerate with autoconf 2.7.
405 * gencode.c (mac.l): Don't abort GDB if executing mac.l
406 instruction (which is unimplemented). Generate a SIGTRAP (in the
407 simulated target) instead.
411 * gencode.c (tab): Added several sh3 opcodes.
412 (think): Added printonmatch for A_SSR and A_SPC.
413 * interp.c (SSR, SPC): Added definitions.
414 (saved_state_type): Added ssr and spc registers.
418 * gencode.c (tab): In shad/shld definitions, negate R[m] before
419 the and operation instead of after. For shad delete cast. For shld
420 use UR instead of R and delete cast.
424 * gencode.c (tab): Add explicit NaN support for ftrc instruction.
428 * interp.c: Make target_byte_order be extern to prevent SGI cc from
429 issuing warnings about the use of common symbols.
433 * gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
438 * sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
440 (sim_get_quit_code): Delete.
442 * gencode.c (gensim): Indicate SIGILL instead of calling abort for
447 * interp.c (saved_state_type): Move FP registers to immediately
452 * Makefile.in (BISON): Remove macro.
456 * interp.c (trap, case SYS_utime): Cast second arg of utime to
457 void * to avoid compiler error.
459 * interp.c (callback): Remove last change. It is initialized by
460 a sim_set_callbacks call.
464 * interp.c (callback): Initialize to default callback.
468 * run.c: Moved to ../common.
469 * interp.c (trap): Use gdb's callback interface.
470 * Makefile.in: Updated.
474 * Makefile.in (maintainer-clean): New synonym for realclean.
478 * run.c (sim_callback_write_stdout): New.
479 * interp.c (trap): Call sim_callback_write_stdout when needed.
483 * interp.c (trap): Remove useless code.
487 * syscall.h: Copy from newlib.
491 * gencode.c: Back up PC by 2 for breakpoints.
492 * interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
493 which expect pc to immediatly follow regs[].
497 * configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
498 * configure: Rebuild.
499 * Makefile.in (INSTALL): Revert to using install.sh.
500 (INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
501 (INSTALL_XFORM, INSTALL_XFORM1): Restore.
502 (CC_FOR_BUILD): Restore.
503 (gencode): Build using $(CC_FOR_BUILD).
504 (install): Don't install in $(tooldir).
508 (Try to) Update to new bfd autoconf scheme.
509 * run.c: Don't include sysdep.h.
510 * Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
511 (CC, CFLAGS, AR, RANLIB): Likewise.
512 (HDEFINES, TDEFINES): Define.
513 (CC_FOR_BUILD): Delete.
514 (host_makefile_frag): Delete.
515 (Makefile): Don't depend on frags.
516 * configure.in (sysdep.h): Don't create symlink.
517 (host_makefile_frag, frags): Deleted.
518 (CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
519 * configure: Regenerated.
523 * interp.c: Include <math.h>.
527 * Makefile.in (run): Link in math library too.
528 * gencode.c (gensim): abort if an unknown opcode is encountered.
529 * interp.c (FPSCR, FPUL): Define.
530 (struct save_state): Add fields for floating point registers,
532 (sim_resume): Add 'F' for accessing floating point registers
533 in the save state structure.
534 * gencode.c: Add sh3e opcodes.
535 (gensym): Define a buffer for int<->fp conversions.
539 * interp.c (trap): Use trap vector 34 for host system interface.
540 * gencode.c: Add 34 to conditional which determines which traps
541 will be handled by simulator.
545 * run.c: Include <signal.h>. Define SIGQUIT if not defined.
546 (main): New variables reason and sigrc. After simulator exits,
547 check to see if it exited because of a signal, and if so, then
548 use the signal number as the return value.
552 * Update all FSF addresses except those in COPYING* files.
554 Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
556 * interp.c (trap): Only use SYS_execv if defined. Might be
557 implemented as execve(arg1,arg2,0), as with Unixware 2.0.
558 (sim_resume): In sbit initializer, cast shifted arg to unsigned
559 to avoid signed integer overflow.
563 * Makefile.in (clean): Remove run, libsim.a.
564 (distclean, mostlyclean, realclean): Remove Makefile and
569 * Makefile.in, configure.in: converted to autoconf.
570 * configure: New file, generated with autconf 2.4.
574 * interp.c (sim_open): If argument supplied, interpret as
576 (parse_and_set_memory_size): New function.
577 (sim_do_command): New function.
581 * interp.c (SYS_wait): Define as SYS_wait4 if available and
582 SYS_wait is not already defined (SunOS 4.1.3 for example).
583 (SYS_utime): Define as SYS_utimes if available and
584 SYS_utime is not already defined.
588 * interp.c: Don't include sys/times.h or sys/param.h
592 * interp.c (SIGBUS, SIGTERM): Define if not.
593 (sim_memory_size): default to 2^19 on PCs.
594 (sim_resume): Poll for quits on win32.
598 * gencode.c (op_tab): Add SH3 support.
602 * gencode.c (tab): Add bsrf and braf.
606 * configure.in: use ../../bfd/hosts/std-host.h, not
607 ../bfd/hosts/std-host.h (which doesn't exist).
611 * run.c: parse arguments with getopt().
615 * configure.in: Use ../../bfd/hosts/std-host.h if specific
620 * interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
624 * gencode.c (op_tab): Make MAC.W call macw, not abort.
625 * interp.c (macw): New function.
630 * gencode.c (op_tab): New code for ADDV and SUBV.
631 Make MAC.L abort sicne it is not implemented.
633 * interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
634 Get rid of __GNUC__ conditional.
638 * gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
639 Change ADDC for symmetry.
641 * gencode.c (op_tab): Replace code for ADDC and SUBC.
645 * interp.c: Remove def of INLINE. This comes from bfd.h. Also,
646 declare IOMEM before using it.
650 * interp.c (BUSERROR): New macro.
651 ([r|w][bwl]at[little|big]) New functions.
652 (sim_resume): If GO32 check for interrupt every now
653 and again. Decrement PC if SIGBUS seen.
654 * run.c (main): Return result of simulated _exit.
658 * Makefile.in (gencode): Allow build in different directory.
662 * Makefile.in (gencode): Change $< to gencode.c for portability.
666 * interp.c ([wr][bwl]at): New functions.
667 (trap): Cope with both byte modes.
671 * gencode.c (tab): Simulate T bit after a negc insn right.
672 * interp.c (RSBAT): Sign extend the arg.
673 (ACE_FAST): New macro.
674 (sim_resume): Remove obsolete test of sim_timeout.
678 * interp.c (IOMEM): New function, simulates very basic I/O area of
680 (WBAT, RBAT) : Call I/O functions.
681 * gencode.c (tab): Special case trapa #3.
685 * run.c (main): Specify the file type again.
689 * interp.c (trap): Fix irix incompatibility.
690 * run.c (main): open without specifying file type.
694 * interp.c (sim_*): Make result void where there isn't one.
695 (sim_set_pc): Delete.
696 (sim_info): Delete printf_fn arg, all callers changed.
697 Call printf_filtered instead.
698 (sim_close): New function.
699 (sim_load): New function.
700 (sim_create_inferior): Renamed from sim_set_args, all callers changed.
701 * run.c: #include <varargs.h>, "remote-sim.h".
702 (printf_filtered): New function.
706 * gencode.c (table): Get direction of some opcodes right.
707 (trapa, rte): Implement fully.
708 * interp.c (trap): Make stat call more portable.
712 * gencode.c (main, gendefines): New -d option prints table of defines.
713 * interp.c (trap): Add a load of system calls.
714 (sim_memory_size): Now default to 8Mbyte.
715 (PARANOID): Keep vector of registers with undefined contents.
719 * gencode.c: mova uses aligned addresses
720 * interp.c (trap): Return results in r0.
724 * Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
725 * interp.c: #include "remote-sim.h".
726 (sim_resume): int result, new arg `siggnal'.
727 (sim_write): Use SIM_ADDR for type of arg `addr'.
728 (sim_read): Use SIM_ADDR for type of arg `addr'.
729 Use unsigned char * for `buffer'.
730 (sim_store_register): int result.
731 (sim_fetch_register): Ditto.
732 (sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
733 (sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
734 (sim_info): int result, new args `verbose', `printf_fn'.
735 (sim_kill): int result.
736 (sim_open): int result, new arg `name'.
737 * run.c: #include <stdio.h>
738 (main): Update call to sim_info.
742 * interp.c (sim_stop_signal): Result is now enum sim_stop.
746 * gencode.c (table): Becomes unsigned.
747 * interp.c (trap): Get right breakpoint SIGnum. (sim_write,
748 sim_read): Return number of bytes copied. (sim_store_register):
749 Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
753 * interp.c (sim_info): Fix small typo in printf string.
757 * interp.c (sim_resume): Set memory after pointers inited.
761 * interp.c (get_now): Use time system call.
762 * Makefile.in: install correctly.
766 * run.c (main), interp.c (sim_set_timeout): Remove timeout
769 Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
771 * Makefile.in: don't run indent everytime; also add a space in the
776 * gencode.c: Fix some opcodes.
777 * interp.c: Support for profiling and portability fixes.
778 * run.c (main): Get profiling args.
782 * gencode.c (tab): Lint for sgi compiler
783 * interp.c: Lint for sgi compiler.
787 * run.c (main): Support for resizing simulated RAM.
788 * Makefile.in: Support for broken makes.
789 * interp.c, gencode.c: Lint.