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darling-gdb/sim/sh/ChangeLog
Joern Rennecke 2f14585c74 include/gdb: 
* sim-sh.h: Add enum constants for sh[1-4], sh3e, sh3?-dsp,
	renumbering the sh-dsp registers to use distinct numbers.
sim/sh:
	* Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
	* interp.c: Include "gdb/sim-sh.h".
	(sim_store_register, sim_fetch_register): Use constants defined there.
gdb:
	* sh-tdep.c (sh_dsp_register_sim_regno): New function.
	(sh_gdbarch_init): Use it for sh-dsp.
2002-07-17 18:43:28 +00:00

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Wed Jul 17 19:36:38 2002 J"orn Rennecke <joern.rennecke@superh.com>
* Makefile.in (interp.o): Depend on $(srcroot)/include/gdb/sim-sh.h.
* interp.c: Include "gdb/sim-sh.h".
(sim_store_register, sim_fetch_register): Use constants defined there.
Tue Jun 18 16:53:11 2002 J"orn Rennecke <joern.rennecke@superh.com>
* interp.c (sim_resume): Fix setting of bus error for
instruction fetch.
2002-06-16 Andrew Cagney <ac131313@redhat.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
2002-06-08 Andrew Cagney <cagney@redhat.com>
* interp.c: Include "gdb/callback.h" and "gdb/remote-sim.h".
2001-01-30 Ben Elliston <bje@redhat.com>
* interp.c (sim_create_inferior): Record program arguments for
later inspection by the trap handler.
(count_argc): New function.
(prog_argv): Declare static.
(sim_write): Declare.
(trap): Implement argc, argnlen and argn system calls. Do not
abort on unknown system calls--simply return -1.
* syscall.h (SYS_argc, SYS_argnlen, SYS_argn): Define.
2001-01-24 Alexandre Oliva <aoliva@redhat.com>
* interp.c (trap): Implement time.
2000-10-24 Ben Elliston <bje@redhat.com>
* gencode.c (tab): Delimit strings with commas where applicable.
Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Mon May 15 22:04:51 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
sh-dsp support, simulator speedup by using host byte order:
* Makefile.in (interp.o): Depends on ppi.c .
(ppi.c): New rule.
* gencode.c (printonmatch, think, genopc): Deleted.
(MAX_NR_STUFF): Now 42.
(tab): Add SH-DSP CPU instructions.
Amalgamate ldc / stc / lds / sts instructions with similar
bit patterns. Fix opcodes of stc Rm_BANK,@-<REG_N>.
Fix semantics of lds.l @<REG_N>+,MACH (no sign extend).
(movsxy_tab): New array.
For movs, change MMMM field to GGGG, and mmmm field to MMMM.
Added entries for movx, movy and parallel processing insns.
(ppi_tab): New array.
(qfunc): Stabilize sort.
(expand_opcode): Handle [01][01]NN, [01][01]xx and [01][01]yy.
Handle 'M', 'G' 's' 'X', 'a', 'Y' and 'A'.
(dumptable): Now takes three arguments. Changed all callers.
Emit just one contigous jump table.
(filltable): Now takes an argument. Changed all callers.
Make index static.
(ppi_moves, expand_ppi_code, ppi_filltable, ppi_gensim): New functions.
(gensim_caselist): New function, broken out of gensim.
Handle opcode fields 'x', 'y', 's', 'M', 'G', 'X', 'a', and 'Y'.
Handle ref '9'.
(gensim): Handle 'N' in code field and '8' in refs field.
Call gensim_caselist - twice.
(ppi_index): New static variable.
(main): Unsupport default action.
Add dsp support for -x / -s option. Add -p option.
* interp.c (sh_jump_table, sh_dsp_table, ppi_table): Declare.
(saved_state_type): Rearrange to allow amalgamated ldc / stc /
lds / sts to work efficiently.
(target_dsp): New static variable.
(GBR, VBR, SSR, SPC, MACH, MACL): Reflect saved_state_type change.
(FPUL, Rn_BANK, SET_Rn_BANK, M, Q, S, T, SR_BL, SR_RB): Likewise.
(SR_MD, SR_RC, SET_SR_BIT, GET_SR, SET_RC, GET_FPSCR): Likewise.
(RS, RE, MOD, MOD_ME, DSP_R): Likewise.
(set_fpscr1): Likewise. Use target_dsp to check for dsp.
(MOD_MSi, SIG_BUS_FETCH): Deleted.
(CREG, SREG, PR, SR_MASK_DMY, SR_MASK_DMX, SR_DMY): New macros.
(SR_DMX, DSR, MOD_DELTA, GET_DSP_GRD): Likewise.
(SET_MOD): Reflect saved_state_type change. Set MOD_DELTA instead
of MOD_MS, and encode SR_DMY / SR_DMX into high word of MOD_ME.
(set_sr): Reflect saved_state_type change. Fix SR_RB handling.
Use SET_MOD.
(MA, L, TL, TB): Now controlled by ACE_FAST.
(SEXT32): Just cast to int.
(SIGN32): Fixed to only shift by 31.
(CHECK_INSN_PTR): SIGBUS at insn fetch now represented by insn_end 0.
(ppi_insn): Declare.
(ppi.c): Include.
(init_dsp): Set target_dsp. When it changes, switch end of
sh_jump_table with sh_dsp_table.
(sim_resume) Don't declare sh_jump_table0. Use sh_jump_table instead.
Don't Declare PR if it's #defined.
Fix single-stepping (Was broken in Mar 6 16:59:10 patch).
(sim_store_register, sim_read_register): Translate accesses to
reflect saved_state_type change.
* interp.c (set_sr): Set sr.
(SET_RC, MOD, MOD_MS, MOD_ME, SET_MOD, MOD_MS, MOD_ME): New macros.
(set_fpscr1): Don't bank-switch fpu registers when simulating sh-dsp.
(DSP_R): Fix definition.
(sim_resume): Remove outdated SET_SR use.
* interp.c (saved_state): New members for struct member asregs:
rs, re, insn_end, xram_start, yram_start.
(struct loop_bounds): New struct.
(SKIP_INSN): New macro.
(get_loop_bounds): New function.
(endianw): Renamed to global_endianw.
(maskw): negated bits.
(PC): Now insn_ptr.
(SR_MASK_RC, SR_RC_INCREMENT, SR_RC, RAISE_EXCEPTION): New macros.
(RS, RE, DSP_R, DSP_GRD, A1, A0, X0, X1, Y0, Y1, M0, A1G): Likewise.
(M1, A0G, RIAT, PT2H, PH2T, SET_NIP, CHECK_INSN_PTR): Likewise.
(SIG_BUS_FETCH): Likewise
(raise_exception, riat_fast): New functions.
(raise_buserror, sim_stop): Use raise_exception.
(PROCESS_SPECIAL_ADDRESS): Use xram_start / yram_start.
(BUSERROR, WRITE_BUSERROR, READ_BUSERROR):
Reverse sense of mask argument.
(FP_OP, set_dr): Use RAISE_EXCEPTION.
(wlat_fast, wwat_fast, wbat_fast, rlat_fast, rwat_fast, rbat_fast):
Declare. Remove redundant masking.
(wwat_fast, rwat_fast): Add argument endianw. Changed callers.
(MA): Updated for change pc -> PC.
(Delay_Slot): Use RIAT.
(empty): Deleted.
(trap): Remove argument little_endian. Add argument endianw.
Changed all callers. Use raise_exception.
(macw): Add argument endainw. Changed all callers.
(init_dsp): New function, extended after broken out of init_pointers.
(sim_resume): Replace pc with insn_ptr. Replace little_endian with
endianw. Replace nia with nip. Reverse sense of maskb / maskw /
maskl. Implement logic for zero-overhead loops. Don't try to
interpret garbage when getting a SIGBUS at insn fetch.
(sim_open): Call init_dsp.
* gencode.c (tab): Use SET_NIP instead of nia = . Use PH2T / PT2H /
RAISE_EXCEPTION where appropriate.
Add extra cycles for brai, braf , bsr, bsrf, jmp, jsr.
* interp.c (sim_store_register, sim_fetch_register):
Do proper endianness switch.
* interp.c (saved_state_type): New members for struct member asregs:
xymem_select, xmem, ymem, xmem_offset, ymem_offset.
(special_address): Delete.
(BUSERROR): Now a two-argument predicate.
(PROCESS_SPECIAL_ADDRESS, WRITE_BUSERROR, READ_BUSERROR): New macros.
(wlat_little, wwat_little, wbat_any, wlat_big, wwat_big): Delete.
(process_wlat_addr, process_wwat_addr): New functions.
(process_wbat_addr, process_rlat_addr, process_rwat_addr): Likewise.
(process_rbat_addr): Likewise.
(wlat_fast, wwat_fast, wbat_fast): Use WRITE_BUSERROR.
(rlat_little, rwat_little, rbat_any, rlat_big, rwat_big): Delete.
(rlat_fast, rwat_fast, rbat_fast): Use READ_BUSERROR.
(RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Delete SLOW versions.
(do_rdat, trap): Delete SLOW code.
(SEXT32, SIGN32): New macros.
(swap, swap16): Now integer in - integer out. Changed all callers.
(strswaplen, strnswap): Delete SLOW versions.
(init_pointers): Initialize dsp memory selection (preliminary).
(sim_store_register, sim_fetch_register): Use swap instead of
big / little endian read / write functions.
* interp.c (maskl): Deleted.
(endianw, endianb): New variables.
(special_address): Now inline.
(bp_holder): Put raising of buserror there, rename to:
(raise_buserror).
(BUSERROR): Now yields a value. Changed all users.
(wbat_big): Delete.
(wlat_fast, wwat_fast, wbat_fast): New functions.
(rlat_fast, rwat_fast, rbat_fast): Likewise.
(RWAT, RLAT, RBAT, WWAT, WLAT, WBAT): Use new functions.
(do_rdat, do_wdat): Likewise. Take maskl argument instead of
little_endian one. Changed caller macros.
(swap, swap16): Use w[rw]lat_big / w[rw]lat_little directly.
(strswaplen, strnswap): New functions.
(trap): Use them to fix up endian mismatches;
disable SYS_execve and SYS_execv; fix double address translation for
SYS_pipe and SYS_stat.
(sym_write, sym_read): Add endianness translation.
(sym_store_register, sym_fetch_register): Add maskl local variable.
(sim_open): Set endianw and endianb.
Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Aug 25 07:55:23 1999 Brendan Kehoe <brendan@cygnus.com>
* gencode.c (fcnvds <DR_N>,FPUL): Rewrite to use a local anonymous
union type, instead of casting to an int* then a float*.
(fcnvsd FPUL,<DR_N>): Likewise.
(flds <FREG_N>,FPUL): Likewise.
(fsts FPUL,<FREG_N>): Likewise.
1999-05-08 Felix Lee <flee@cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
1999-04-02 Keith Seitz <keiths@cygnus.com>
* interp.c (POLL_QUIT_INTERVAL): Define. Used to tweak the
frequency at which the poll_quit callback is called.
(sim_resume): Use POLL_QUIT_INTERVAL instead of a
hard-coded value.
Thu Sep 10 02:16:39 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* interp.c (saved_state.asregs): Add new member pad_dummy.
(sim_store_register, sim_fetch_regsiter): Add 1 to rn for use
as index into saved_state.asints.
Mon Jun 29 19:35:24 1998 Jason Molenda (crash@bugshack.cygnus.com)
* interp.c (sim_open): set endianness based on the ABFD if a -E
option is not present and we have an ABFD.
Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
* configure: Regenerated to track ../common/aclocal.m4 changes.
* config.in: Ditto.
Sun Apr 26 15:19:48 1998 Tom Tromey <tromey@cygnus.com>
* acconfig.h: New file.
* configure.in: Reverted change of Apr 24; use sinclude again.
Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
* configure: Regenerated to track ../common/aclocal.m4 changes.
* config.in: Ditto.
Fri Apr 24 11:18:35 1998 Tom Tromey <tromey@cygnus.com>
* configure.in: Don't call sinclude.
Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Tue Feb 17 12:49:44 1998 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_fetch_register, sim_store_register): Pass in
length parameter. Return -1.
Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
* config.in: Ditto.
Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Oct 22 14:43:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_load): Pass lma_p and sim_write args to
sim_load_file.
Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Tue Sep 9 20:52:21 1997 Felix Lee <flee@cygnus.com>
* interp.c (sim_resume): poll_quit() at least once per call;
otherwise gdb can loop sim_resume() uninterruptably.
Thu Sep 4 17:21:23 1997 Doug Evans <dje@seba>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Tue Sep 2 13:15:27 1997 Andrew Cagney <cagney@b1.cygnus.com>
* gencode.c (tab): Order instructions according to SH3 document.
Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
* config.in: Ditto.
Tue Aug 26 10:41:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_kill): Delete.
(sim_create_inferior): Add ABFD argument.
(sim_load): Move setting of PC from here.
(sim_create_inferior): To here.
Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
* config.in: Ditto.
Mon Aug 25 16:17:51 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_open): Add ABFD argument.
Mon Jun 23 15:49:14 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (get_dr): Avoid SIGFPE by moving integers instead of
FP's around.
(set_dr): Ditto.
Mon Jun 23 15:02:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (XD, SET_XD): Delete.
(XF, SET_XF, XD_TO_XF): Define, move around registers in either
FP bank.
* gencode.c (fmov): Update.
Sun Jun 22 19:33:33 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (set_fpscr1): From J"orn Rennecke
<amylaar@cygnus.co.uk>, Fix typo. Ditto for comment.
Tue Aug 12 00:19:11 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* interp.c (special_address): New function.
(BUSERROR): Call it. Added parameters bits_written and data.
Changed all callers.
* gencode.c (tab): Fixed ocbwb and pref.
Fri Jun 20 22:03:18 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* interp.c (do_wdat, do_wdat): Fix bug in register number calculation.
Thu Jun 19 00:28:08 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_create_inferior): Clear registers each time an
inferior is started.
Mon Jun 16 14:01:55 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (*FP, FP_OP, FP_CMP, FP_UNARY): Provide a hook for
when a host doesn't support IEEE FP.
(*DP): Provide alternative definition that supports 64bit floating
point.
(target_little_endian): Combine little_endian and little_endian_p.
(saved_state_type): Make fpscr and sr simple integers.
(SET_FPSCR, GET_FPSCR): Use macros to update fpscr register.
(set_fpscr1): New function. Handle swapping when PR / FR bits
changed. Call via *_FPSCR macro.
(SET_SR*, GET_SR*): Use macro's to access the SR bits - avoids
endian problems.
* gencode.c (tab): Update.
Sun Jun 15 15:22:52 1997 Andrew Cagney <cagney@b1.cygnus.com>
* gencode.c (main): Perform basic checks on tab entries.
* Makefile.in (gencode): Always compile with -g.
Sat Jun 14 13:45:09 1997 Andrew Cagney <cagney@b1.cygnus.com>
* gencode.c (gensim): Move ref checking code to before `stuff'.
For branches with delay slots refs were not being checked.
* interp.c (sim_resume): Use nia to specify the next instruction
address instead of overloading pc.
(C): Delete definiton - refer to cycles directly.
(SEXT12): New macro - sign extend a 12 bit quantity.
(Delay_Slot): Rename from SL.
* gencode.c (tab): Update/simplify.
* gencode.c (gensim): Better formatting of output code.
(gensim): Replace 10 with constant MAX_NR_STUFF- define as 15.
(tab): Sort alphabetically. Break `stuff' into multiple lines.
Fri Jun 13 22:10:13 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* gencode.c (braf, bsrf): Fix branch destination calculation to
be in accordance with the documentation.
Fri Jun 13 15:33:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* interp.c (init_pointers): Fix little endian test.
Thu Jun 5 12:56:08 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* interp.c (init_pointers): SH4 hardware is always WORDS_BIT_ENDIAN.
* gencode (fmov from/to memory): take endian_mismatch into account
for 32 bit moves too.
Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* gencode.c (swap.b): Fix treatment of high word.
Wed May 28 23:42:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* sh/gencode.c,
* interp.c: experimental SH4 support.
DFmode moves are probaly broken for target little endian.
Tue May 20 10:23:28 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_open): Add callback argument.
(sim_set_callbacks): Delete SIM_DESC argument.
Wed Apr 30 11:38:08 1997 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in (SIM_EXTRA_CLEAN): Define.
(clean targets): Delete.
(sh-clean): New target.
Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Apr 23 17:55:22 1997 Doug Evans <dje@canuck.cygnus.com>
* tconfig.in: New file.
* interp.c (sim_open): Handle missing arg to -E.
Tue Apr 22 08:55:35 1997 Stu Grossman (grossman@critters.cygnus.com)
* Makefile.in: Add clean targets.
Fri Apr 18 18:57:04 1997 Stu Grossman (grossman@critters.cygnus.com)
* interp.c: Include float.h and define SIGTRAP if _WIN32.
WIN32 -> _WIN32.
* (trap): Do do SYS_chown for _WIN32.
Fri Apr 18 13:33:09 1997 Doug Evans <dje@canuck.cygnus.com>
* interp.c (sim_resume): Fix argument to poll_quit.
Fri Apr 18 14:14:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_stop): New function.
(sim_resume): Use poll_quit for polling.
Thu Apr 17 03:32:04 1997 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in (SIM_OBJS): Add sim-load.o.
* interp.c (target_byte_order): Delete.
(sim_kind, myname, little_endian_p): New static locals.
(init_pointers): Use little_endian_p instead of target_byte_order.
(sim_resume): Likewise.
(sim_open): Set sim_kind, myname. Set little_endian_p from -E arg.
(sim_load): Return SIM_RC. New arg abfd. Call sim_load_file to
load file into simulator. Set start address from bfd.
(sim_create_inferior): Return SIM_RC. Delete arg start_address.
Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
* config.in: Ditto.
Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
* interp.c (sim_open): New arg `kind'.
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Wed Mar 19 09:34:36 1997 Fred Fish <fnf@cygnus.com>
* interp.c (sim_do_command): Check for NULL command or empty
string and handle it the same as a "help" command. Use callback
to print error message for unrecognized commands. Replace
hardcoded tab in literal string with a \t. Other minor code
cleanup.
Wed Mar 19 01:14:00 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.
Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
* configure: Re-generate.
Fri Mar 14 10:34:11 1997 Michael Meissner <meissner@cygnus.com>
* configure: Regenerate to track ../common/aclocal.m4 changes.
Thu Mar 13 13:00:00 1997 Doug Evans <dje@canuck.cygnus.com>
* interp.c (sim_open): New SIM_DESC result. Argument is now
in argv form.
(other sim_*): New SIM_DESC argument.
Tue Feb 4 13:33:30 1997 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in (@COMMON_MAKEFILE_FRAG): Use
COMMON_{PRE,POST}_CONFIG_FRAG instead.
* configure.in: sinclude ../common/aclocal.m4.
* configure: Regenerated.
Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
* configure configure.in Makefile.in: Update to new configure
scheme which is more compatible with WinGDB builds.
* configure.in: Improve comment on how to run autoconf.
* configure: Re-run autoconf to get new ../common/aclocal.m4.
* Makefile.in: Use autoconf substitution to install common
makefile fragment.
Wed Nov 20 02:04:32 1996 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in: Delete stuff moved to ../common/Make-common.in.
(SIM_OBJS,SIM_EXTRA_LIBS): Define.
* configure.in: Simplify using macros in ../common/aclocal.m4.
Call AC_CHECK_HEADERS(unistd.h).
* configure: Regenerated.
* config.in: New file.
* interp.c: #include "config.h". #include <unistd.h> if present.
(trap): Fetch errno value with callback->get_errno.
Tue Nov 12 13:34:00 1996 Dawn Perchik <dawn@cygnus.com>
* interp.c: Don't include windows polling code if inside simluator.
Fri Sep 20 14:57:50 1996 Stan Shebs <shebs@andros.cygnus.com>
* interp.c: Minor formatting improvements.
(saved_state_type): Add bank registers.
(bp_holder): New function, use to break on when debugging BUSERROR.
(BUSERROR): Call it if bus error occurs.
Wed Jun 26 12:29:22 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
* Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
(docdir): Removed.
* configure.in (AC_PREREQ): autoconf 2.5 or higher.
(AC_PROG_INSTALL): Added.
* configure: Rebuilt.
Thu May 16 15:44:29 1996 Ian Lance Taylor <ian@cygnus.com>
* interp.c (saved_state_type): Add memstalls field.
(MA) Define macro.
(sim_resume): New local variable memstalls. Add it back in to
saved_state at the end of the function.
(sim_info): Report memstalls.
* gencode.c (tab): Add MA() to the execution string of all
instructions which access memory.
Wed Feb 21 12:16:41 1996 Ian Lance Taylor <ian@cygnus.com>
* configure: Regenerate with autoconf 2.7.
Tue Dec 5 16:38:55 1995 Stu Grossman (grossman@cygnus.com)
* gencode.c (mac.l): Don't abort GDB if executing mac.l
instruction (which is unimplemented). Generate a SIGTRAP (in the
simulated target) instead.
Mon Dec 4 12:22:24 1995 J.T. Conklin <jtc@rtl.cygnus.com>
* gencode.c (tab): Added several sh3 opcodes.
(think): Added printonmatch for A_SSR and A_SPC.
* interp.c (SSR, SPC): Added definitions.
(saved_state_type): Added ssr and spc registers.
Wed Nov 29 12:39:27 1995 Jim Wilson <wilson@chestnut.cygnus.com>
* gencode.c (tab): In shad/shld definitions, negate R[m] before
the and operation instead of after. For shad delete cast. For shld
use UR instead of R and delete cast.
Fri Nov 17 12:48:55 1995 Jim Wilson <wilson@chestnut.cygnus.com>
* gencode.c (tab): Add explicit NaN support for ftrc instruction.
Wed Nov 15 11:25:27 1995 Stu Grossman (grossman@cygnus.com)
* interp.c: Make target_byte_order be extern to prevent SGI cc from
issuing warnings about the use of common symbols.
Tue Nov 14 15:19:43 1995 Stu Grossman (grossman@cygnus.com)
* gencode.c: jsr, bsr and bsrf actually save pc+4 in pr, and rts
actually uses pr+0.
Sat Oct 21 13:01:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
* sh/interp.c (sim_stop_reason): Catch SIGQUIT and indicate
program exited.
(sim_get_quit_code): Delete.
* gencode.c (gensim): Indicate SIGILL instead of calling abort for
default case.
Mon Oct 16 18:24:03 1995 Jim Wilson <wilson@chestnut.cygnus.com>
* interp.c (saved_state_type): Move FP registers to immediately
after SR.
Tue Oct 10 11:12:15 1995 Fred Fish <fnf@cygnus.com>
* Makefile.in (BISON): Remove macro.
Fri Oct 6 12:08:18 1995 Jim Wilson <wilson@chestnut.cygnus.com>
* interp.c (trap, case SYS_utime): Cast second arg of utime to
void * to avoid compiler error.
* interp.c (callback): Remove last change. It is initialized by
a sim_set_callbacks call.
Thu Oct 5 14:13:29 1995 steve chamberlain <sac@slash.cygnus.com>
* interp.c (callback): Initialize to default callback.
Thu Sep 28 15:26:59 1995 steve chamberlain <sac@slash.cygnus.com>
* run.c: Moved to ../common.
* interp.c (trap): Use gdb's callback interface.
* Makefile.in: Updated.
Wed Sep 20 13:35:13 1995 Ian Lance Taylor <ian@cygnus.com>
* Makefile.in (maintainer-clean): New synonym for realclean.
Wed Sep 20 09:51:50 1995 steve chamberlain <sac@slash.cygnus.com>
* run.c (sim_callback_write_stdout): New.
* interp.c (trap): Call sim_callback_write_stdout when needed.
Mon Sep 18 18:42:27 1995 steve chamberlain <sac@slash.cygnus.com>
* interp.c (trap): Remove useless code.
Fri Sep 15 19:30:05 1995 steve chamberlain <sac@slash.cygnus.com>
* syscall.h: Copy from newlib.
Thu Sep 14 19:32:59 1995 Stu Grossman (grossman@cygnus.com)
* gencode.c: Back up PC by 2 for breakpoints.
* interp.c: Move fp regs beyond pc/pr/etc to avoid confusing GDB,
which expect pc to immediatly follow regs[].
Fri Sep 8 14:18:13 1995 Ian Lance Taylor <ian@cygnus.com>
* configure.in: Define CC_FOR_BUILD. Don't call AC_PROG_INSTALL.
* configure: Rebuild.
* Makefile.in (INSTALL): Revert to using install.sh.
(INSTALL_PROGRAM, INSTALL_DATA): Set to $(INSTALL).
(INSTALL_XFORM, INSTALL_XFORM1): Restore.
(CC_FOR_BUILD): Restore.
(gencode): Build using $(CC_FOR_BUILD).
(install): Don't install in $(tooldir).
Thu Sep 7 15:02:31 1995 J.T. Conklin <jtc@rtl.cygnus.com>
(Try to) Update to new bfd autoconf scheme.
* run.c: Don't include sysdep.h.
* Makefile.in (INSTALL{,_PROGRAM,_DATA}): Use autoconf computed value.
(CC, CFLAGS, AR, RANLIB): Likewise.
(HDEFINES, TDEFINES): Define.
(CC_FOR_BUILD): Delete.
(host_makefile_frag): Delete.
(Makefile): Don't depend on frags.
* configure.in (sysdep.h): Don't create symlink.
(host_makefile_frag, frags): Deleted.
(CC, CFLAGS, AR, RANLIB, INSTALL): Compute values.
* configure: Regenerated.
Thu Aug 31 12:39:07 1995 Jim Wilson <wilson@chestnut.cygnus.com>
* interp.c: Include <math.h>.
Wed Aug 30 22:05:17 1995 Jeff Law (law@snake.cs.utah.edu)
* Makefile.in (run): Link in math library too.
* gencode.c (gensim): abort if an unknown opcode is encountered.
* interp.c (FPSCR, FPUL): Define.
(struct save_state): Add fields for floating point registers,
FPSCR and FPUL.
(sim_resume): Add 'F' for accessing floating point registers
in the save state structure.
* gencode.c: Add sh3e opcodes.
(gensym): Define a buffer for int<->fp conversions.
Tue Aug 22 14:16:46 1995 J.T. Conklin <jtc@rtl.cygnus.com>
* interp.c (trap): Use trap vector 34 for host system interface.
* gencode.c: Add 34 to conditional which determines which traps
will be handled by simulator.
Fri Aug 11 17:59:15 1995 Jim Wilson <wilson@chestnut.cygnus.com>
* run.c: Include <signal.h>. Define SIGQUIT if not defined.
(main): New variables reason and sigrc. After simulator exits,
check to see if it exited because of a signal, and if so, then
use the signal number as the return value.
Thu Aug 3 10:45:37 1995 Fred Fish <fnf@cygnus.com>
* Update all FSF addresses except those in COPYING* files.
Tue Jul 18 23:33:10 1995 Fred Fish <fnf@fishbowl>
* interp.c (trap): Only use SYS_execv if defined. Might be
implemented as execve(arg1,arg2,0), as with Unixware 2.0.
(sim_resume): In sbit initializer, cast shifted arg to unsigned
to avoid signed integer overflow.
Wed Jul 5 14:32:54 1995 J.T. Conklin <jtc@rtl.cygnus.com>
* Makefile.in (clean): Remove run, libsim.a.
(distclean, mostlyclean, realclean): Remove Makefile and
autoconf files.
* sh.mt: Removed.
* Makefile.in, configure.in: converted to autoconf.
* configure: New file, generated with autconf 2.4.
Fri Jun 30 16:51:38 1995 Stan Shebs <shebs@andros.cygnus.com>
* interp.c (sim_open): If argument supplied, interpret as
desired memory size.
(parse_and_set_memory_size): New function.
(sim_do_command): New function.
Thu Jun 29 10:02:28 1995 Fred Fish <fnf@deneb.cygnus.com>
* interp.c (SYS_wait): Define as SYS_wait4 if available and
SYS_wait is not already defined (SunOS 4.1.3 for example).
(SYS_utime): Define as SYS_utimes if available and
SYS_utime is not already defined.
Thu Jun 22 17:25:57 1995 Steve Chamberlain <sac@slash.cygnus.com>
* interp.c: Don't include sys/times.h or sys/param.h
Wed Jun 21 15:03:49 1995 Steve Chamberlain <sac@slash.cygnus.com>
* interp.c (SIGBUS, SIGTERM): Define if not.
(sim_memory_size): default to 2^19 on PCs.
(sim_resume): Poll for quits on win32.
Wed May 24 16:22:48 1995 Jim Wilson <wilson@chestnut.cygnus.com>
* gencode.c (op_tab): Add SH3 support.
Wed May 24 14:07:11 1995 Steve Chamberlain <sac@slash.cygnus.com>
* gencode.c (tab): Add bsrf and braf.
Mon Apr 24 15:09:49 1995 Jason Molenda (crash@cygnus.com)
* configure.in: use ../../bfd/hosts/std-host.h, not
../bfd/hosts/std-host.h (which doesn't exist).
Mon Mar 27 10:32:34 1995 J.T. Conklin <jtc@rtl.cygnus.com>
* run.c: parse arguments with getopt().
Sun Feb 26 15:27:24 1995 Steve Chamberlain <sac@cygnus.com>
* configure.in: Use ../../bfd/hosts/std-host.h if specific
host unavailable.
Mon Jan 23 16:10:58 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
* interp.c (macw): Sign extend MACH at bit 10 for non-saturating case.
Sun Jan 22 13:55:36 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
* gencode.c (op_tab): Make MAC.W call macw, not abort.
* interp.c (macw): New function.
(S): New #define.
Sat Jan 21 15:52:30 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
* gencode.c (op_tab): New code for ADDV and SUBV.
Make MAC.L abort sicne it is not implemented.
* interp.c (dmul): Handle the signed case by adjusting after unsigned multiply.
Get rid of __GNUC__ conditional.
aThu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
* gencode.c (op_tab): Also replace NEGC, and try again with SUBC.
Change ADDC for symmetry.
* gencode.c (op_tab): Replace code for ADDC and SUBC.
Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
* interp.c: Remove def of INLINE. This comes from bfd.h. Also,
declare IOMEM before using it.
Wed Dec 28 21:25:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
* interp.c (BUSERROR): New macro.
([r|w][bwl]at[little|big]) New functions.
(sim_resume): If GO32 check for interrupt every now
and again. Decrement PC if SIGBUS seen.
* run.c (main): Return result of simulated _exit.
Mon Dec 5 21:59:51 1994 Doug Evans <dje@canuck.cygnus.com>
* Makefile.in (gencode): Allow build in different directory.
Wed Nov 30 17:47:13 1994 Jim Wilson <wilson@chestnut.cygnus.com>
* Makefile.in (gencode): Change $< to gencode.c for portability.
Wed Nov 23 21:31:55 1994 Steve Chamberlain (sac@jonny.cygnus.com)
* interp.c ([wr][bwl]at): New functions.
(trap): Cope with both byte modes.
Thu Sep 8 17:35:07 1994 Steve Chamberlain (sac@jonny.cygnus.com)
* gencode.c (tab): Simulate T bit after a negc insn right.
* interp.c (RSBAT): Sign extend the arg.
(ACE_FAST): New macro.
(sim_resume): Remove obsolete test of sim_timeout.
Fri Aug 5 14:12:31 1994 Steve Chamberlain (sac@jonny.cygnus.com)
* interp.c (IOMEM): New function, simulates very basic I/O area of
the SH.
(WBAT, RBAT) : Call I/O functions.
* gencode.c (tab): Special case trapa #3.
Mon Jun 27 18:04:54 1994 Steve Chamberlain (sac@cirdan.cygnus.com)
* run.c (main): Specify the file type again.
Thu May 26 19:04:37 1994 Steve Chamberlain (sac@thepub.cygnus.com)
* interp.c (trap): Fix irix incompatibility.
* run.c (main): open without specifying file type.
Wed May 18 14:18:53 1994 Doug Evans (dje@canuck.cygnus.com)
* interp.c (sim_*): Make result void where there isn't one.
(sim_set_pc): Delete.
(sim_info): Delete printf_fn arg, all callers changed.
Call printf_filtered instead.
(sim_close): New function.
(sim_load): New function.
(sim_create_inferior): Renamed from sim_set_args, all callers changed.
* run.c: #include <varargs.h>, "remote-sim.h".
(printf_filtered): New function.
Wed Apr 27 12:03:48 1994 Steve Chamberlain (sac@cygnus.com)
* gencode.c (table): Get direction of some opcodes right.
(trapa, rte): Implement fully.
* interp.c (trap): Make stat call more portable.
Fri Feb 11 21:59:38 1994 Steve Chamberlain (sac@sphagnum.cygnus.com)
* gencode.c (main, gendefines): New -d option prints table of defines.
* interp.c (trap): Add a load of system calls.
(sim_memory_size): Now default to 8Mbyte.
(PARANOID): Keep vector of registers with undefined contents.
Mon Nov 15 14:37:18 1993 Steve Chamberlain (sac@jonny.cygnus.com)
* gencode.c: mova uses aligned addresses
* interp.c (trap): Return results in r0.
Tue Oct 26 10:38:55 1993 Doug Evans (dje@canuck.cygnus.com)
* Makefile.in (CSEARCH): Add -I$(srcdir)/../../gdb
* interp.c: #include "remote-sim.h".
(sim_resume): int result, new arg `siggnal'.
(sim_write): Use SIM_ADDR for type of arg `addr'.
(sim_read): Use SIM_ADDR for type of arg `addr'.
Use unsigned char * for `buffer'.
(sim_store_register): int result.
(sim_fetch_register): Ditto.
(sim_stop_reason): Renamed from sim_stop_signal. New arg `reason'.
(sim_set_pc): int result, use SIM_ADDR for type of arg `x'.
(sim_info): int result, new args `verbose', `printf_fn'.
(sim_kill): int result.
(sim_open): int result, new arg `name'.
* run.c: #include <stdio.h>
(main): Update call to sim_info.
Sat Oct 23 15:09:29 1993 Doug Evans (dje@canuck.cygnus.com)
* interp.c (sim_stop_signal): Result is now enum sim_stop.
Fri Oct 8 10:47:09 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
* gencode.c (table): Becomes unsigned.
* interp.c (trap): Get right breakpoint SIGnum. (sim_write,
sim_read): Return number of bytes copied. (sim_store_register):
Value passed by reference. (sim_kill, sim_open, sim_set_args): New functions.
Tue Sep 7 16:24:13 1993 Stan Shebs (shebs@rtl.cygnus.com)
* interp.c (sim_info): Fix small typo in printf string.
Thu Aug 5 11:37:48 1993 Stan Shebs (shebs@rtl.cygnus.com)
* interp.c (sim_resume): Set memory after pointers inited.
Mon Aug 2 14:13:22 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
* interp.c (get_now): Use time system call.
* Makefile.in: install correctly.
Tue Jul 6 10:30:46 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
* run.c (main), interp.c (sim_set_timeout): Remove timeout
functionality.
Thu Jun 24 13:29:57 1993 david d `zoo' zuhn (zoo at rtl.cygnus.com)
* Makefile.in: don't run indent everytime; also add a space in the
includes
Thu Jun 17 18:30:42 1993 Steve Chamberlain (sac@phydeaux.cygnus.com)
* gencode.c: Fix some opcodes.
* interp.c: Support for profiling and portability fixes.
* run.c (main): Get profiling args.
Wed May 5 13:17:22 1993 Steve Chamberlain (sac@cygnus.com)
* gencode.c (tab): Lint for sgi compiler
* interp.c: Lint for sgi compiler.
Mon May 3 15:25:33 1993 Steve Chamberlain (sac@thepub.cygnus.com)
* run.c (main): Support for resizing simulated RAM.
* Makefile.in: Support for broken makes.
* interp.c, gencode.c: Lint.
Mon Apr 26 18:01:10 1993 Steve Chamberlain (sac@thepub.cygnus.com)
* created
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