Mon Sep 21 16:09:25 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* sim-engine.c (sim_engine_halt): Call SIM_CPU_EXCEPTION_SUSPEND
 	hook just before longjmp().
	* sim-resume.c (sim_resume): Call SIM_CPU_EXCEPTION_RESUME
	hook just before sim_engine_run().
	
1998-09-18  Keith Seitz  <keiths@cygnus.com>

	* sim-events.c (sim_events_process): Lower the threshold at which
	the ui_loop_hook is called.

Mon Sep 14 10:58:19 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* aclocal.m4: Add checks for -lsocket and -lnsl.

	* dv-sockser.c (dv_sockser_init): Use SO_REUSEADDR to
	allow local port reuse on listening socket.

Sun Sep 13 23:37:38 1998 Jim Ingham   <jingham@cygnus.com>

        * nrun.c: Remove ifdef __CYGWIN32__ from ui_loop_hook.
	Since we are using the timer hack for both Unix and Windows	
	now we have to provide the loop hook in both cases.

	* sim-events.c (sim_events_process): remove the #ifdef
	__CYGWIN32__ from the ui_loop_hook, and added some comments.

Fri Sep 11 21:06:43 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* nrun.c (main): In operating mode, let standalone
	simulator "loop back" to handle events such as traps,
	interrupts via CPU exception mechanisms.  Special-case
	incoming SIGINT to still allow exit under user control.

	* sim-reason.c (sim_stop_reason): Call sim_signal_to_host
	to convert simulator signal numbers to target numbers.

Tue Sep  8 17:33:16 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* sim-events.c (sim_events_process): Add UI polling hook
	for cygwin32 host.
	* nrun.c (ui_loop_hook): Add no-op hook for standalone
	simulator.
	
Tue Sep  1 15:36:52 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* sim-config.h: Remove reference to linux kernel header.

Tue Aug 25 12:45:27 1998  Frank Ch. Eigler  <fche@cygnus.com>

	* dv-sockser.c (sockser_addr): Make variable non-static.

Sun Aug 23 14:08:43 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* sim-hw.{c,h} (sim_hw_parse): Return struct hw pointer.

Wed Jun 24 13:29:04 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* ChangeLog: Bring up to date with recent merges to bring this
	branch up-to-date with the main branch as of 14Jun98.  The cgen
	related files were an excluded from the merge process.  Rather
	than try to remove the log entries below for files which were not
	updated, here is a list of the files which were merged:
	aclocal.m4, Make-common.in, hw-*, dv-pal.c, dv-core.c, dv-glue.c,
	config.in, sim-utils.c, sim-types.h, sim-trace.{c,h},
	sim-profile.{c,h}, sim-n-core.h, sim-module.c, sim-model.{c.h},
	sim-memopt.c, sim-io.{c,h}, sim-inline.{c,h}, sim-hw.{c,h},
	sim-fpu.{c,h}, sim-events.h, sim-engine.{c,h}, sim-endian.h,
	sim-cpu.{c,h}, sim-core.{c,h}, sim-config.h, sim-bits.h,
	sim-basics.h, and sim-base.h. 

Sat Jun 13 07:45:38 1998  Doug Evans  <devans@fallis.cygnus.com>

	* cgen-trace.c (trace_insn_fini): Redo cycle handling.
	* sim-profile.h (PROFILE_DATA): Rename cycle handling members.
	* sim-profile.c (profile_print_model): Update.

Fri Jun 12 18:35:07 1998  Doug Evans  <devans@seba.cygnus.com>

	* gennltvals.def (m32r): Use common syscall.h now.
	(mn10300): Add entry.
	* nltvals.def: Regenerate.

	* sim-engine.c (sim_engine_get_run_state): New function.
	* sim-engine.h (sim_engine_get_run_state): Declare it.

Thu Jun 11 00:50:03 1998  Doug Evans  <devans@seba.cygnus.com>

	* sim-core.h (SIM_CORE_SIGNAL_FN): New typedef.
	* sim-core.c (sim_core_signal): Make extern, always define.

Wed Jun 10 16:02:29 1998  Doug Evans  <devans@seba.cygnus.com>

	* Make-common.in (CGEN_FLAGS_TO_PASS): New variable.
	* cgen-ops.h (ANDIF): New macro.
	(ANDIF[BQHSD]I): Delete.

Thu Jun  4 13:53:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-events.c (create_hw_event, delete_hw_event): Delete.
	(hw_event_queue_schedule, hw_event_queue_deschedule,
 	bounce_hw_event): Fix hw-event memory corruptions found by Joyce
 	Janczyn.

	* hw-alloc.h (HW_NZALLOC): Define.

	* Make-common.in (test-hw-events): Add target for testing the
 	hw-event code.

Mon May 25 21:11:26 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* Make-common.in (SIM_COMMON_HW_OBJS): Add hw-handles.o and
 	hw-instances.o.
	hw-handles.c, hw-instances.c, hw-handles.h, hw-instances.h: New
 	files.
	* hw-main.h: Include hw-handles.h, hw-instances.h.
	* hw-base.h ({create,delete}_hw_{handles,instances}_data): Declare
	* hw-base.c (hw_create, hw_delete): Call same.
	
Mon May 25 18:55:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-core.c: Include hw-main.h and sim-main.h.
	* dv-pal.c: Include hw-main.h and sim-io.h.
	* dv-glue.c: Include hw-main.h.

	* hw-main.h: New file.  Move list of includes to here.
	* hw-base.h: From here.
	* Make-common.in (hw_base_headers): Rename to hw_main_headers.
	(hw-*.o, dv-*.o): Update.
	* hw-tree.c, hw-base.c, hw-properties.c, hw-ports.c, hw-device.c,
 	hw-events.c, hw-alloc.c, sim-hw.c: Include hw-main.h instead of
 	sim-main.h.

	* hw-base.h (do_hw_attach_regs, do_hw_poll_read_method,
 	do_hw_poll_read): Move declarations from here.
	* hw-main.h: To here.
	
	* hw-base.h (struct hw_device_descriptor, hw_finish_callback):
 	Move from here.
	* hw-main.h (struct hw_descriptor, hw_finish_method): To here,
 	rename.
	* Make-common.in (hw-config.h): Update
	* hw-base.c, dv-pal.c, dv-glue.c: Update

	* dv-glue.c, hw-device.h, hw-base.h, hw-ports.c: Rename
 	`*_callback' to `*_method.

Mon May 25 18:41:18 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-base.h (set_*): Move set method macros from here.
	* hw-device.h: To here.

Mon May 25 18:21:38 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-base.h (create_hw_property_data, delete_hw_property_data):
 	Declare.

	* hw-base.c (hw_create, hw_delete): Call
	* hw-properties.c (create_hw_property_data,
 	delete_hw_property_data): Define.
	
Mon May 25 17:40:46 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-device.c, hw-properties.c: Include hw-base.h

	* hw-alloc.h, hw-alloc.c: New files. Move alloc code to here.
	* hw-device.c: From here.
	* hw-base.h: Include "hw-events.h".

	* hw-base.h (create_hw_alloc_data, delete_hw_alloc_data): Declare.
	* hw-base.c (hw_create, hw_delete): Call.
	* hw-alloc.c (create_hw_alloc_data, delete_hw_alloc_data): Define.

	* Make-common.in (SIM_NEW_COMMON_OBJS): Add hw-alloc.o.
	(hw-alloc.o): New target.
	
Mon May 25 17:14:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-events.h, hw-events.c: New files.  Move event code to here.
  	* sim-hw.c: From here.
	* hw-base.h: Include "hw-events.h".
	* Make-common.in (SIM_NEW_COMMON_OBJS): Add hw-events.o.
	(hw-events.o): New target.

	* hw-device.h (struct hw): Add struct hw_event_data events_of_hw.
	* hw-events.h (struct hw_event): Replace typedef hw_event.
	
	* hw-base.h (create_hw_event_data, delete_hw_event_data): Declare.
	* hw-base.c (hw_create, hw_delete): Call.
	* hw-events.c (create_hw_event_data, delete_hw_event_data): Define.

	* dv-pal.c: Update.

Mon May 25 16:55:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-base.c (panic_hw_port_event, empty_hw_ports): Move from here.
  	* hw-ports.c: To here.
	
	* hw-base.h, hw-ports.c (create_hw_port_data,
 	delete_hw_port_data): New functions.
	* hw-base.c (hw_delete, hw_create): Call same.
	
	* hw-base.h (set_hw_ports, set_hw_port_event): Move set functions
 	from here.
  	* hw-ports.h: To here.

Mon May 25 16:42:48 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-device.c (hw_ioctl), hw-device.h (hw_ioctl_callback): Drop
 	PROCESSOR and CIA arguments.

Fri May 22 12:16:27 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (SIM_AC_OPTION_HW): Add enable / disable argument.
  	Move common object files from here.
	* Make-common.in (SIM_COMMON_HW_OBJS): To here.
	
Thu May 21 17:57:16 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-hw.c: Include ctype.h.
	(do_hw_poll_read): Do not assume EAGAIN.

Wed May 20 04:37:57 1998  Doug Evans  <devans@seba.cygnus.com>

	* cgen-trace.c (first_insn_p): New static local.
	(trace_insn_init): Set it.
	(trace_insn_fini): Use TRACE_PREFIX.
	(trace_insn): Rewrite to use trace_prefix.
	* sim-trace.c (trace_prefix): Don't print filename arg if NULL.
	Adjust width accordingly.

	* sim-profile.h (PROFILE_DATA): New member profile_any_p.
	(PROFILE_ANY_P,PROFILE_INSN_P,PROFILE_MEMORY): New macros.
	(PROFILE_SCACHE_P,PROFILE_PC_P,PROFILE_CORE_P): New macros.
	(PROFILE_COUNT_INSN,PROFILE_COUNT_READ,PROFILE_COUNT_WRITE): Simplify.
	(PROFILE_COUNT_CORE): Simplify.
	* sim-profile.c (profile_option_handler): Compute profile_any_p.

Tue May 19 23:55:30 1998  Doug Evans  <devans@seba.cygnus.com>

	* cgen-ops.h (ADDCFSI): Fix typo.

Sat May 16 12:44:52 1998  Doug Evans  <devans@seba.cygnus.com>

	* cgen-sim.h (CGEN_CPU): New members idesc_{read,sem}_init_p.
	* genmloop.sh: Use them rather than static locals.

	* sim-engine.c (sim_engine_set_run_state): New function.
	* sim-engine.h (sim_engine_set_run_state): Declare.
	* genmloop.sh (pending_reason,pending_sigrc): New static locals.
	(@cpu@_engine_stop): New args reason,sigrc.  All callers updated.
	(engine_resume): Reorganize.  Allow synchronous exit from main loop.

Fri May 15 16:06:05 1998  Doug Evans  <devans@seba.cygnus.com>

	* cgen-trace.c (trace_insn_init): New arg first_p. 
	All callers updated.
	(trace_insn_fini): New arg last_p.  All callers updated.
	* cgen-trace.h (trace_insn_init,trace_insn_fini): Update.
	(TRACE_INSN_INIT,TRACE_INSN_FINI): Update.
	* genmloop.sh (engine_resume): Update.

Fri May 15 15:59:00 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* Make-common.in (install-common): Run ranlib on installed copy of
	libsim.a.

Fri May 15 15:03:00 1998  Joyce Janczyn  <janczyn@cygnus.com>

	* Make-common.in (install-common): Rename and install libsim.a.

Tue May 12 15:23:57 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-io.c (unistd.h): Include.

Wed May  6 16:04:18 1998  Doug Evans  <devans@seba.cygnus.com>

	* Make-common (sim_main_headers): Sort.
	(cgen-*.o): Add cgen-sim.h dependency.

	* cgen-scache.c (scache_init): Only allocate space if scache element
	size is non-zero.
	(scache_flush,scache_print_profile): Check if scache in use first.

	* cgen-sim.h (IDESC): Provide forward declaration.
	(DECODE): Delete.
	(CGEN_CPU): Always define scache member.  New members idesc,opcode.
	(cgen_cpu_max_extra_bytes): Declare.
	* cgen-utils.c (cgen_cpu_max_extra_bytes): New function.

	* cgen.sh: s/@arch@/${arch}/ for cpu files.

	* sim-cpu.h: New file.  sim_cpu_base moved here.
	Move sim_cpu_lookup decl here.
	* sim-base.h: #include "sim-cpu.h".
	* sim-cpu.c: New file.
	* Make-common (sim_main_headers): Add sim-cpu.h.
	(sim-cpu.o): Add rule for.

	* sim-model.c (set_model): Delete.
	(sim_model_set,model_set): New functions.
	(sim_model_install): Renamed from model_install.
	Don't set default model here.
	(model_option_handler): Rewrite --model processing.
	(sim_model_lookup,sim_mach_lookup): New functions.
	* sim-model.h (MAX_MODELS,MAX_INSNS): Delete.
	(insn_timing): Delete.
	(INSN_TIMING): New member `num'.
	(IMP_PROPERTIES): Always define scache_elm_size member.
	(MACH): New member init_cpu.
	(sim_machs): Renamed from machs.
	(sim_model_install): Renamed from model_install.
	(sim_model_set,sim_model_lookup,sim_mach_lookup): Declare.
	* sim-module.c (modules): Update.

	* sim-profile.c (profile_print_insn): Add cpu arg to INSN_NAME macro.

	* sim-io.c: #include <errno.h>.

Wed May  6 12:39:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-pal.c (struct hw_pal_device): Add reader.
 	(hw_pal_finish): Initialize reader.
	(scan_hw_pal): Use reader.

	* hw-base.h, sim-hw.c (do_hw_poll_read): New function.
	(HW_IO_EOF, HW_IO_NOT_READY): Define.
	* dv-pal.c: Use.

	* sim-io.h, sim-io.c (sim_io_poll_read): New function.  Copy from
 	../ppc/main.c sim_io_read_stdin.

Fri May  1 12:11:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-tree.h (hw_tree_print): Paramaterize with print and file
 	arguments.
	* hw-tree.c: Update.
	
	* hw-base.h (hw_port_event_callback): Delete CPU/CIA args.
	* hw-device.h (hw_io_read_buffer, hw_io_write_buffer): Delete
 	CPU/CIA args.
	* hw-ports.h (hw_port_event): Ditto.
	* hw-ports.c (hw_port_event): Update.
	* hw-base.c (panic_hw_io_read_buffer, panic_hw_io_write_buffer):
 	Update.
	* dv-pal.c (hw_pal_io_read_buffer, hw_pal_io_write_buffer):
 	Update.
	(hw_pal_io_write_buffer): Call hw_halt not sim_engine_halt.
	(do_counter_event): Update.
	* dv-glue.c (hw_glue_io_read_buffer): Update.
	(hw_glue_port_event): Update.

	* hw-device.h (SIM_DESC): Replace with struct sim_state.
	* hw-base.h (hw_create): Ditto.
	* hw-base.c (hw_create): Ditto.
	
	* hw-device.c (hw_abort, hw_trace, hw_hw_event_queue_schedule,
 	hw_event_queue_deschedule, hw_event_queue_time): Delete, moved
 	from here to.
	* sim-hw.c: Here.
	* hw-device.h (hw_system_cpu): Declare.
	* sim-hw.c (hw_system_cpu): New function.

	* sim-core.c (sim_core_map_attach, sim_core_attach): Call
 	sim_hw_abort not hw_abort.
	(sim-hw.h): Include.
	(sim_core_read_buffer, sim_core_write_buffer): Call
 	sim_hw_io_read_buffer and sim_hw_io_write_buffer. Do not pass CPU
 	argument.
	(sim_core_set_xor): Do not pass CPU when aborting.

	* sim-n-core.h (sim_core_read_aligned_N,
 	sim_core_write_aligned_N): Call sim_hw_abort not hw_abort.
	(sim_core_read_aligned_N, sim_core_write_aligned_N): Call
 	sim_cpu_hw_io_read_buffer and sim_cpu_hw_io_write_buffer. Does not
 	return length.

	* sim-hw.h: Declare sim_hw_io_{read,write}_buffer. Declare
 	sim_hw_print.
	* sim-hw.c (sim_hw_io_read_buffer, sim_hw_io_write_buffer,
 	sim_cpu_hw_io_read_buffer, sim_cpu_hw_io_write_buffer): New
 	functions.
	(sim_hw_print): New function.

	* sim-engine.h (sim_engine_vabort): Declare.
	* sim-engine.c (sim_engine_vabort): New function.

Wed Apr 29 23:58:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-trace.c (print_data): For floating-point numbers trace raw
 	hex value.
	(trace_result_fp2): New function.
	* sim-trace.h (trace_result_fp2): New declaration.
	(TRACE_FP_RESULT2): New macro.

Tue Apr 28 18:28:58 1998  Geoffrey Noer  <noer@cygnus.com>

        * common/aclocal.m4: call AM_EXEEXT in SIM_AC_COMMON, define
        AM_CYGWIN32 and AM_EXEEXT.
        * common/Make-common.in: set EXEEXT, add missing EXEEXTs
        to run and install-common rules.
        * common/configure: regenerate

Sat Apr 25 17:45:01 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-types.h (cell_word): New type.
	(natural_cell): Delete type.

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 15:25:07 1998  Tom Tromey  <tromey@cygnus.com>

	* acconfig.h (NEED_DECLARATION_PRINTF): Removed.

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 11:38:08 1998  Tom Tromey  <tromey@cygnus.com>

	* acconfig.h: New file.
	* Make-common.in (top_builddir): New macro.
	(INTL_LIB): Removed.
	(INTLLIBS): New macro.
	(INTLDEPS): Likewise.
	(LIBDEPS): Use INTLDEPS.
	(EXTRA_LIBS): Use INTLLIBS.
	* aclocal.m4 (SIM_AC_COMMON): Call CY_GNU_GETTEXT.
	(CY_WITH_NLS, CY_GNU_GETTEXT, AM_PATH_PROG_WITH_TEST,
	AM_LC_MESSAGES): New macros from GNU gettext.

Fri Apr 24 19:57:59 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-config.h: Discard leading _ from macros.
	* sim-types.h: Ditto.

Wed Apr 22 14:14:19 1998  Michael Meissner  <meissner@cygnus.com>

	* Make-common.in (CSEARCH): Add -I to intl directories.
	(INTL_LIB): Point to libintl.a.
	(LIBDEPS): Add $(INTL_LIB).
	(EXTRA_LIBS): Ditto.

Tue Apr 21 12:44:27 1998  Doug Evans  <devans@canuck.cygnus.com>

	* cgen-types.h (GETHIDI,MAKEDI): Tweak.

	* cgen-ops.h (ADDCFSI): Fix.
	(SUBCFSI): Tweak.

Tue Apr 21 13:18:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-types.h (signed_address, unsigned_address): Define.

Mon Apr 20 21:47:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.c (sim_fpu_2d): Don't return an SNaN, convert it into a
 	QNaN.

Thu Apr 16 10:30:14 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.c, sim-fpu.h (sim_fpu_fractionto, sim_fpu_tofraction):
 	New functions, pack / unpack sim_fpu struct using raw values.
	(sim_fpu_is): Differentiate between negative and positive
 	infinity.

Tue Apr 14 18:49:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-bits.h (EXTEND4): Define.
	(EXTEND4, EXTEND15, EXTEND11): Ditto.
	
Tue Apr 14 16:31:35 1998  John Metzler  <jmetzler@cygnus.com>

	* sim-memopt.c (parse_addr): Sunos 4.5 does not hane strtol
 	declared so we need this cast to prevent long long addresses
	from being misconfigures. Results in access to unmapped memory.

Tue Apr 14 13:19:14 1998  Doug Evans  <devans@canuck.cygnus.com>

	* Make-common.in (RUNTESTFLAGS): Define.
	(check): Pass RUNTESTFLAGS to recursive make.

Tue Apr 14 15:09:19 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-info.c (sim_info): Be verbose when either VERBOSE or
 	STATE_VERBOSE_P.

Sat Apr  4 23:24:17 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (sim-inline): By default, disable sim-inline when
 	cross compiling.

Sat Apr  4 20:36:25 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (sim-cflags): Add -fomit-frame-pointer to defaults.
	(sim-inline): Update to match sim-inline.[hc]
	* configure: Regenerated to track ../common/aclocal.m4 changes.

	* Make-common.in (sim_main_headers): Add sim-inline.h

	* sim-bits.h (sim-bits.c): Include when H_REVEALS_MODULE_P.
 	selected.
	* sim-endian.h (sim-endian.c): Ditto.
	
	* sim-events.h (_SIM_EVENTS_H_): Replace with SIM_EVENTS_H.
	(sim_events_set_trace): Delete unused prototype.
	
	* sim-core.h (_SIM_CORE_H_): Replace with SIM_CORE_H.
	* sim-core.c (_SIM_CORE_C_): Ditto for SIM_CORE_C.

	* sim-fpu.h (sim-fpu.c): Include when H_REVEALS_MODULE_P.
	(sim_fpu_to232i, sim_fpu_to232u, sim_fpu_i232to, sim_fpu_u232to):
 	Comment out, not yet implemented in sim-fpu.c.
	(sim_fpu_zero, sim_fpu_one, sim_fpu_two, sim_fpu_qnan,
 	sim_fpu_max32, sim_fpu_max64): Mark as EXTERN_SIM_FPU.
	
	* sim-inline.h: Rewrite description.
	(H_REVEALS_MODULE_P, C_REVEALS_MODULE_P): Define.
	(SIM_MAIN_INLINE): Add inline option.
	
	* sim-inline.c (semantics.c, idecode.c, engine.c, ...): Do not
 	include generated files. Handled by generator directly.
	
Sat Apr  4 01:07:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-trace.c (set_trace_option_mask): Keep TRACE_ANY_P
	up-to-date.

	* sim-trace.h (TRACE_ANY_P): Define.
	(struct _trace_data): Add trace_any_p.

Mon Mar 30 17:11:55 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* run.c (main): Handle all alternatives of enum sim_stop.
	(main): Delete unused `asection *s'.

Fri Mar 27 16:15:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-tree.h, hw-tree.c (hw_tree_vparse): New function

	* configure: Regenerated to track ../common/aclocal.m4 changes.

	* sim-hw.c: New file.
	* sim-hw.h (sim_hw_parse): Declare function.
	(hw-tree.h): Do not include.
	
	* sim-base.h (STATE_HW): Define.
	(struct sim_state_base): Add member struct *hw.

	* sim-module.c (sim-hw.h): Include.
	(modules): Add sim_hw_install.
	
	* aclocal.m4 (sim_hw_obj): Add sim-hw.o

Fri Mar 27 14:55:06 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-base.h (CPU_INDEX): Define.

	* sim-utils.c (sim_state_alloc): Initialize.
	* sim-module.c (sim_post_argv_init): Ditto.

Thu Mar 26 10:07:57 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>

	* aclocal.m4 (sim_hw_obj):  Fix sed expression to generate
	properly formatted lists.

Thu Mar 26 10:37:22 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-pal.c (enum hw_pal_address_mask): From Stu Grossman, was
 	0x2f needs to be 0x3f.

Thu Mar 26 09:10:56 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-tree.c (hw_tree_find_property): Return NULL when device is
 	not found.
	(hw_tree_find_*_property): Clean up error message when property is
 	not found.

	* dv-pal.c (hw_pal_io_read_buffer): Check the smp property is
 	present before looking for it.

Wed Mar 25 16:17:38 1998  Ian Carmichael  <iancarm@cygnus.com>

	* aclocal.m4 (AC_CHECK_HEADERS): Add check for fpu_control.h.  
	(AC_CHECK_FUNCS): Add check for __setfpucw.
	* configure: Regenerated.

Wed Mar 25 09:18:34 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* dv-pal.c (hw_pal_countdown, hw_pal_countdown_value,
 	hw_pal_timer, hw_pal_timer_value): Define.
	(hw_pal_io_read_buffer, hw_pal_io_write_buffer): Add timer support
	(do_counter_event, do_counter_read, do_counter_value,
 	do_counter_write): new functions.

Tue Mar 24 12:24:24 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-tree.c (hw_printf): Send tree dump to stderr, same as other
 	trace output.

	* hw-base.c (hw_create): Stop searching for a device when one is
 	found.

Wed Mar 25 12:35:29 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Mar 23 10:25:08 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (SIM_AC_OPTION_HARDWARE): Add second argument,
 	appends extra devices.
	(SIM_AC_OPTION_HARDWARE): Substute sim_hw, a non-duplicate list of
 	the device names.
	
	* Make-common.in (hw-config.h): New target, create hw-config.h
 	file.
	(SIM_HW): Definition from @sim_hw@.
	(hw-base.o): Depend on hw-config.h

Tue Mar 24 17:41:35 1998  Stu Grossman  <grossman@bhuna.cygnus.co.uk>

	* Make-common.in:  Get SHELL from configure.
	* (stamp-tvals sim-inline.c):  Use $(SHELL) when invoking
	move-if-change.  Fixes NT native build problem.
	* Makefile.in (nltvals.def):   Use $(SHELL) when invoking
	move-if-change.  Fixes NT native build problem.
	* configure:  Regenerate with autoconf 2.12.1 to fix shell issues for
	NT native builds.
	
Sun Mar 22 16:54:40 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-device.h, hw-device.c (hw_strdup): New function.

	* hw-base.c (hw_create): Use hw_strdup when saving a copy of the
 	strings name, family and args.
	(full_name_of_hw): Use hw_strdup when returning the full path.

	* hw-properties.c: Clean up property not found / wrong type error
 	messages.
	
	* hw-tree.c (hw_tree_parse): Finish a devices initialization
 	before attaching any ports.

	* hw-base.c (hw-config.): Include.  Replace hardwired table.

	* dv-glue.c: Copy over ../ppc/hw_glue.c.  Update to new framework.

	* Make-common.in: Add rule for dv-glue.o.

Sun Mar 22 16:45:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-base.c (hw_finish): Move setting of trace level to here.
	(hw_create): From here.

	* hw-base.h, hw-base.c (do_hw_attach_regs): Copy function from
 	../ppc/device_table.c.

	* dv-pal.c (hw_pal_finish): Attach PAL device to parent bus.

	* hw-tree.c (print_properties): Supress path when printing
 	properties of root node.

Sun Mar 22 16:21:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-device.h (HW_TRACE): Define.
	(hw_trace): Declare.
	* hw-device.c (hw_trace): Implement function.

	* hw-base.c (hw_create): Set hw trace level from "trace?"
 	property.

	* dv-core.c (dv_core_attach_address_callback): Add trace.

	* dv-pal.c: Replace DTRACE with HW_TRACE.

Sun Mar 22 15:23:35 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-device.h (HW_ZALLOC, HW_MALLOC): New macros.
	(hw_alloc_data): Delcare.
	(struct hw): Add member alloc_of_hw.
	
	* hw-device.c (hw_zalloc, hw_malloc, hw_free, hw_free_all): New
 	functions. Assocate memory with a device.
	(stdlib.h): Include.
	
	* hw-base.h (set_hw_delete): Define.
	(hw_delete_callback): Declare.
	(hw_delete): Declare.

	* hw-base.c (hw_delete): Implement function.
	(struct hw_base_data): Add member to_delete.
	(ignore_hw_delete): New function, does nothing.
	(hw_create): Set the hw_delete method.
	(hw_create): Allocate the base type using HW_ZALLOC before setting
 	any methods.

	* hw-tree.h, hw-tree.c (hw_tree_delete): New function.
	
	* hw-properties.c: Replace zalloc/zfree with hw_zalloc/hw_free.
	
	* hw-ports.c: Replace zalloc/zfree with hw_zalloc/hw_free.
	(attach_hw_port_edge): Add struct hw argument

	* dv-pal.c (hw_pal_finish): Replace zalloc/zfree with
 	hw_zalloc/hw_free.

Sun Mar 22 15:09:52 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* hw-device.h (hw_attach_address_callback,
 	hw_detach_address_callback): Attach to a single space not a space
 	mask. Clarify interpretation of SPACE:ADDR parameters.

	* hw-base.c (passthrough_hw_attach_address,
 	passthrough_hw_detach_address): Update.
	* dv-core.c (dv_core_attach_address_callback): Ditto.
	* dv-pal.c (hw_pal_attach_address): Ditto.

Thu Mar 19 00:41:00 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-options.h: Document additional CPU arg to OPTION_HANDLER.

Wed Mar 18 14:13:02 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* Make-common.in (SIM_HW_OBJS, SIM_HW_SRC, SIM_DV_OBJS): Define.
	(hw-base_h, hw-device_h, hw-handles_h, hw-instances_h, hw_ports_h,
 	hw-properties_h, hw-tree_h): Define, point at corresponding
 	header.
	(hw_base_headers): Define list of headers included by hw-base.h
	(hw-base.o, hw-device.o, hw-instances.o, hw-handles.o, hw-ports.o,
 	hw-properties.o, hw-tree.o): Specify dependencies.
	(dv-core.o, dv-pal.o): Ditto.

	* sim-hw.h: New file.

	* hw-device.h, hw-device.c, hw-properties.h, hw-properties.c,
 	hw-ports.h, hw-ports.c: New files. Copied from ../ppc/device.[ch].
	
	* hw-tree.h, hw-tree.c: New files. Copied from ../ppc/tree.[hc].

	* hw-base.h, hw-base.c: new files.  Copied from
 	../ppc/device_table.[hc].

	* dv-core.c, dv-pal.c: New files. Copied from
 	../ppc/hw_{core,pal}.c
	
	* sim-basics.h (struct hw): Declare.
	(enum port_direction, enum object_disposition): Declare.

Wed Mar 18 12:38:12 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (SIM_AC_OPTION_HARDWARE): Set sim_hw_obj, sim_dv_obj,
 	sim_dv_src in Makefile. Take list of devices as parameter to m4
 	macro..

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Mar 16 12:37:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-trace.h, sim-trace.c (trace_prefix): Pass in sim_cia so that
 	trace_prefix can abort cleanly.

Sat Mar 14 18:36:12 1998  Doug Evans  <devans@seba.cygnus.com>

	* dv-sockser.c, dv-sockser.h: New files.
	* Make-common.in (dv-sockser.o): Add rule for.
	* aclocal.m4: Check for fcntl.h.
	* config.h: Add HAVE_FCNTL_H.

	* sim-break.c (remove_breakpoint): Fix thinko.

	* sim-hload.c (sim_load): Provide default value of SIM_HANDLES_LMA.
	Use SIM_HANDLES_LMA for lma_p arg to sim_load_file.

1998-03-13  Fred Fish  <fnf@cygnus.com>

	* sim-base.h (struct sim_state_base): Add prog_syms and
	define macro STATE_PROG_SYMS.
	* sim-trace.c (trace_prefix): Add variables abfd, symsize,
	symbol_count, and asymbols.  Call bfd_get_symtab_upper_bound
	and bfd_canonicalize_symtab, to get symbol table on first use
	and preserve it via STATE_PROG_SYMS for future calls to
	bfd_find_nearest_line.

Wed Mar 11 14:02:47 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.h, sim-core.c (sim_core_map_to_str): Delete.

	* sim-core.c (sim_core_attach): Handle a generic number of maps -
 	up to nr_maps, not just access_* maps.

	* sim-profile.h (struct PROFILE_DATA): Track nr_maps different
 	maps.

	* sim-profile.c (profile_print_core): Make map unsigned.  Iterate
 	over nr_maps not sim_core_nr_maps.

	* sim-events.h, sim-events.c (sim_events_watch_core): Change
 	core_map argument to unsigned.
	(struct _sim_core): Ditto for struct member core_map.

	* sim-core.h (nr_sim_core_maps, sim_core_*_map): Delete

	* sim-basics.h (access_io, access_*_io): Define.
	(map_read, map_write, map_exec, map_io): Define.

	* sim-core.c, sim-core.h (sim_core_attach): Replace argument
 	attach with more generic mapmask.
	(sim_core_{read,write}_*): Change map argument to unsigned.
	
	* sim-core.c (sim_core_uninstall, sim_core_attach,
 	sim_core_detach): Iterate over nr_maps instead of
 	sim_core_nr_maps.

	* sim-break.c (insert_breakpoint): Write breakpoints to exec_map
 	instead of the write_map.
	(remove_breakpoint): Ditto.

	* genmloop.sh (engine_resume_full): Replace sim_core_*_map
 	with read_map, write_map, exec_map resp.

	* cgen-mem.h (DECLARE_GETMEM, DECLARE_SETMEM, DECLARE_GETIMEM):
 	Ditto.

	* cgen-utils.c (sim_disassemble_insn): Ditto.

	* sim-hrw.c (sim_write, sim_write): Ditto.

	* sim-utils.h, sim-utils.c (access_to_str, map_to_str,
 	transfer_to_str): New functions.

Mon Mar  9 12:50:59 1998  Doug Evans  <devans@seba.cygnus.com>

	* sim-base.h (sim_state_base): New member environment.
	(STATE_ENVIRONMENT): New macro.
	* sim-config.c (current_environment): Delete.
	(sim_config_default): New function.
	(sim_config): Set STATE_ENVIRONMENT, not current_environment.
	* sim-config.h (current_environment,CURRENT_ENVIRONMENT): Delete.
	(sim_config_default): Add prototype.
	* sim-module.c (sim_pre_argv_init): Call sim_config_default.
	* sim-options.c (standard_option_handler, case OPTION_ENVIRONMENT):
	Set STATE_ENVIRONMENT, not current_environment.

Mon Mar  9 11:59:03 1998  Jim Wilson  <wilson@cygnus.com>

	* sim-fpu.c (NR_GUARDS64): Change NR_PAD32 to NR_PAD64.

Tue Mar  3 10:53:05 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-types.h (SIGNED32, SIGNED64): Pacify GCC.

	* sim-alu.h (ALU64_BEGIN): Make alu64_r unsigned.

Mon Mar  2 10:20:06 1998  Doug Evans  <devans@seba.cygnus.com>

	* Make-common.in (TAGS): Make smarter.
	* Makefile.in (TAGS): Ditto.

Fri Feb 27 19:09:57 1998  Doug Evans  <devans@canuck.cygnus.com>

	* sim-module.c (*): Fix typos in assertion tests.

Sat Feb 28 13:54:10 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-module.c (sim_pre_argv_init): String passed to asprintf
 	can't be constant.
  	
	* sim-options.c (sim_parse_args): Ditto.
	(sim_args_command): Return OK, instead of nothing, for an empty
 	command.

Fri Feb 27 13:29:13 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-profile.c (profile_info): Rename from profile_print. Drop
 	misc and misc_cpu callback arguments.  Use
 	PROFILE_INFO_CPU_CALLBACK and STATE_PROFILE_INFO_CALLBACK instead.
	(profile_install): Install profile_info function.

	* sim-profile.h (PROFILE_INFO_CPU_CALLBACK,
 	STATE_PROFILE_INFO_CALLBACK): Define.
	(struct PROFILE_DATA): Add field info_cpu_callback.
	(profile_print): Delete function.

	* sim-base.h (STATE_MODULES): Define.  Replace individual
 	STATE_*_LIST with single struct module_list.

	* sim-module.h (MODULE_INFO_FN, MODULE_INFO_LIST): Declare.
	(struct module_list): Declare.
	
	* sim-module.h, sim-module.c (sim_module_add_info_fn,
 	sim_module_info): New functions.
	(sim_module_install): Clean up module data structures.

	* sim-info.c (sim_info): New file. New function. Call
 	sim_module_info.

	* Make-common.in (sim-info.o): Define rule.
	(SIM_NEW_COMMON_OBJS): Add sim-info.o.


Fri Feb 27 18:26:16 1998  Doug Evans  <devans@canuck.cygnus.com>

	* sim-base.h (sim_cpu_base): New members name, options.
	(sim_cpu_lookup): Add prototype.
	* sim-module.c (sim_pre_argv_init): Provide default names for cpus.
	* sim-options.h (DECLARE_OPTION_HANDLER): New argument `cpu'.
	(sim_add_option_table): Update prototype.
	* sim-options.c (sim_add_option_table): New argument `cpu'.
	(standard_option_handler,standard_install): Update.
	(sim_parse_args): Handle cpu specific options.
	(print_help): New static function.
	(sim_print_help): Call it.  Print cpu specific options.
	(find_match): New static function.
	(sim_args_command): Call it.  Handle cpu specific options.
	* sim-utils.c (sim_cpu_lookup): New function.
	* sim-memopt.c (memory_option_handler): Update.
	(sim_memopt_install): Update.
	* sim-model.c (model_option_handler): Update.
	(model_install): Update.
	* sim-profile.c (profile_option_handler): Update.
	(profile_install): Update.
	* sim-trace.c (trace_option_handler): Update.
	(trace_install): Update.
	* sim-watch.c (watchpoint_option_handler): Update.
	(sim_watchpoint_install): Update.
	* cgen-scache.c (scache_option_handler): Update.
	(scache_install): Update.

Wed Feb 25 11:00:26 1998  Doug Evans  <devans@canuck.cygnus.com>

	* Make-common.in (check): Run `make check' in testsuite dir.

Wed Feb 25 14:40:24 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-trace.c (trace_result0): New function.

	* sim-trace.h (TRACE_FP_*, TRACE_FPU_*): Rename TRACE_FPU_*
 	macro's to TRACE_FP_*. TRACE_FPU_* should be defined and used when
 	tracing sim_fpu variables.
	(TRACE_ALU_RESULT0): Define.
	(TRACE_FP_RESULT_WORD): Define.
	(TRACE_FP_INPUT_WORD1): Define.

	* sim-fpu.c, sim-fpu.h (sim_fpu_max32, sim_fpu_max64, sim_fpu_one,
 	sim_fpu_two): New constants.
	(sim_fpu_op1, sim_fpu_op2): New types.
	(struct _sim_fpu): Delete member result.  Re-order other members.
	(sim_fpu_sign, sim_fpu_exp): New functions.
	(sim_fpu_max, sim_fpu_min): new functions.
	(EXPMAX32, EXPMAX64, NR_PAD32, NR_PAD64, NR_GUARDS32, NR_GUARDS64,
 	NORMAL_EXPMAX32, NORMAL_EXPMAX64): Define.
	
Tue Feb 24 22:45:39 1998  Doug Evans  <devans@seba.cygnus.com>

	* sim-profile.c (profile_print): Delete duplicate test of
	PROFILE_INSN_IDX.
	(profile_print_pc): Exit early if data collection not set up.
	(profile_print_core): Simplify by calling sim_core_map_to_str.
	* sim-core.h (sim_core_map_to_str): Declare.
	* sim-core.c (sim_core_map_to_str): Make non-static.

	* genmloop.sh (engine_resume): Update insn_count before exiting.
	(engine_resume_full): Keep accurate core profile data.

	* cgen-utils.c (sim_disassemble_insn): Don't use
	sim_core_read_aligned_N, it messes up profiling results.

Mon Feb 23 20:45:57 1998  Mark Alexander  <marka@cygnus.com>

	* nltvals.def: Regenerate with MN10300 additions.

Tue Feb 24 13:18:42 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-trace.h (TRACE_ALU_RESULT2): Define.
	
	* sim-trace.h, sim-trace.c (trace_result_word2,
 	trace_input_word4, trace_result_word4): New function.

Mon Feb 23 13:08:35 1998  Doug Evans  <devans@canuck.cygnus.com>

	* cgen-sim.h (SEM_NEXT_PC): New arg `len'.

	* sim-xcat.h: Delete.
	* cgen-mem.h: Delete inclusion of sim-xcat.h.
	* cgen-sim.h: Ditto.
	* sim-alu.h: Replace sim-xcat.h with symcat.h.
	* sim-n-bits.h: Ditto.
	* sim-n-core.h: Ditto.
	* sim-n-endian.h: Ditto.

Mon Feb 23 13:19:58 1998  Michael Meissner  <meissner@cygnus.com>

	* syscall.c (cb_syscall): Handle short reads, and EOF.

Tue Feb 24 00:29:57 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-trace.c (print_data): case trace_fmt_fp missing break.  Use
 	sim_fpu to safely print fp_word values.
	(print_data): Add trace_fmt_bool and trace_fmt_addr.
	(trace_result_bool1, trace_result_addr1): New functions.
	(trace_input_bool1, trace_input_addr1): New functions.

	* sim-trace.h (TRACE_FPU_*): Define.

Mon Feb 23 13:24:54 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.h (enum sim_fpu_class): Add sim_fpu_class_denorm.
	(sim_fpu_fpto, sim_fpu_tofp): Define.

Fri Feb 20 18:08:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.c (sim_fpu_cmp): New function.

Wed Feb 18 16:29:21 1998  Doug Evans  <devans@canuck.cygnus.com>

	* cgen-utils.h (sim_disassemble_insn): Use CGEN_INSN_BITSIZE
	instead of abuf->length.
	* sim-trace.c (trace_options): Have -t only trace a few useful things.
	(set_trace_option_mask): Renamed from set_trace_options.
	(set_trace_option): New function.
	(trace_option_handler): Update calls to set_trace_option{,_mask}.
	* sim-trace.h (TRACE_USEFUL_MASK): New macro.

Wed Feb 18 12:42:15 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-basics.h: Declare struct _sim_fpu.

Tue Feb 17 16:27:46 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-trace.h (TRACE_ALU_INPUT*, TRACE_ALU_RESULT): Define.
	(trace_prefix, trace_input*, trace_result*): Declare.
	(trace_one_insn): Change declaration, assume trace_prefix called.
	(trace_generic): Like trace_one_insn.
	(TRACE_ALU_IDX, TRACE_*_IDX): Change #define's to enum.
	(TRACE_alu, TRACE_[a-z]*): Update.
	
	* sim-trace.c (trace_prefix, trace_input*, trace_result*,
 	trace_insn, save_data, trace_idx_to_str, print_data): New
 	functions.
	(trace_one_insn): Rewrite.
	(trace_generic): New function.
	
Tue Feb 17 17:27:30 1998  Doug Evans  <devans@seba.cygnus.com>

	* Make-common.in (CGEN_MAIN_SCM): Update.
	* aclocal.m4 (USE_MAINTAINER_MODE): New variable.

	* cgen-sim.h (SEMANTIC_CACHE_FN): Delete.
	(SEMANTIC_FN): Rewrite declaration.
	(DECODE): Update type of semantic_fast member.
	({EX,SEM}_FN_NAME): Have only one version.
	* cgen.sh: Support building cpu.c.
	* sim-base.h (sim_state_base): Delete conditionals surrounding
	member scache_size.

Tue Feb 10 18:31:49 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-load.c (sim_load_file): Print LMA/VMA according to value
 	used.

Tue Feb 10 14:56:23 1998  Ian Carmichael  <iancarm@cygnus.com>

	* sim-core.c: Add missing prototypes for WITH_DEVICES.
	Add missing parameters to device_io calls.
	* sim-core.h: Add missing parameters to device_io calls.

Mon Feb  9 14:48:37 1998  Doug Evans  <devans@canuck.cygnus.com>

	* cgen-sim.h (DECODE): Always use switch for `read' for now.
	(PAREXEC): Renamed from PARALLEL_EXEC.  All uses updated.
	(SEMANTIC{,_CACHE}_FN): Fix return type.
	* cgen.sh (decode): Add s/@arch@/$arch/.
	* genmloop.sh (@cpu@_engine_run): Delete `current_state'.
	(engine_resume): Likewise.  Make `engine' volatile.  Save copy
	of cpu pointer in volatile object.  Initialize read switch if
	-parallel.

Thu Feb  5 13:27:04 1998  Doug Evans  <devans@seba.cygnus.com>

	* cgen-sim.h (EX_FN_NAME): _exc_ -> _ex_.
	(SEM_INSN): New macro.

Tue Feb  3 16:31:56 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-run.c (sim_engine_run): Assume IMEM is 32 bit.

Sun Feb  1 16:47:51 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Sun Feb  1 16:16:57 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-types.h (fp_word): New type, define according to
 	WITH_TARGET_FLOATING_POINT_BITSIZE.

	* aclocal.m4 (default_sim_floating_point_bitsize): Add
 	configuration of size of floating point registers.

Sun Feb  1 14:02:31 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-profile.c (profile_print): Only print CPU <N> if other
 	output is going to appear.

Sat Jan 31 18:15:41 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Sat Jan 31 18:03:55 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-types.h (address_word): Typedef according to
 	WITH_TARGET_ADDRESS_BITSIZE.
	(signed_cell, unsigned_cell, natural_cell): Ditto using
 	WITH_TARGET_CELL_BITSIZE.
	
	* sim-config.h (WITH_TARGET_ADDRESS_BITSIZE): Define.
	(WITH_TARGET_CELL_BITSIZE): Define.
	(WITH_HOST_WORD_BITSIZE): Delete.

	* sim-config.c (print_sim_config): Update.

	* aclocal.m4 (SIM_AC_OPTION_BITSIZE): Add support for
 	configuration of address and OpenFirmware cell sizes.

Fri Jan 30 09:36:33 1998  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-engine.h (sim_engine_run): Add argument nr_cpus.
	* sim-run.c (sim_engine_run): Update.
	
	* sim-engine.h (SIM_ENGINE_HALT_HOOK): Use SET_CPU_CIA instead of
 	CPU_CIA.
  	* sim-run.c (sim_engine_run): Ditto.

	* sim-resume.c (sim_resume): Obtain nr_cpus from sim_engine.
	(sim_resume): Pass nr_cpus to sim_engine_run.

	* sim-engine.h (struct _sim_engine): Add member nr_cpus.
	
	* sim-engine.c (sim_engine_init): Hardwire nr_cpus to
 	MAX_NR_PROCESSORS.
	(sim_engine_nr_cpus) sim-engine.c, sim-engine.h: New function
	
Thu Jan 29 12:13:01 1998  Doug Evans  <devans@canuck.cygnus.com>

	* cgen.sh: Portably read parms past $9.

Fri Jan 23 14:20:54 1998  Doug Evans  <devans@seba.cygnus.com>

	* Make-common.in (stamp-tvals): New rule.
	(targ-vals.h,targ-map.c): Depend on it.
	(clean): Remove stamp-tvals.

Tue Jan 20 21:35:13 1998  Michael Meissner  <meissner@cygnus.com>

	* sim-utils.c (sim_state_alloc): #if 0 variable that is only used
	in code also #if 0'ed.

Mon Jan 19 22:26:29 1998  Doug Evans  <devans@seba>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* aclocal.m4: Recognize --enable-maintainer-mode.

Mon Jan 19 12:45:45 1998  Doug Evans  <devans@seba.cygnus.com>

	* Make-common.in (cgen-{arch,cpu,decode}): New targets.
	* cgen.sh: New file.
	* cgen-scache.h: Deleted.
	* Make-common.in (cgen-run.o,cgen-scache.o): Delete cgen-scache.h dep.
	(CGEN_CPU_SCM): Add sim-model.scm.
	* cgen-scache.c: Only compile contents if WITH_SCACHE.
	(scache_init): Use runtime computed size of SCACHE.
	(scache_flush): Likewise.
	* cgen-mem.h (GETIMEMU[QHSD]I): Declare.
	([GS]ETT{QI,UQI,HI,UHI,SI,USI,DI,UDI}): Declare.
	* cgen-sim.h: Scache support moved here.
	(PC): Redo definition.
	(ARGBUF,SCACHE,PARALLEL_EXEC): Provide forward decls.
	(DECODE): Add parallel execution support.
	Only include semantic label members if using switch.
	(SWITCH,CASE,BREAK,DEFAULT,ENDSWITCH): Portable computed goto support.
	(CGEN_CPU): Delete members exec_state, halt_sigrc, halt_jmp_buf.
	(IADDR,CIA,SEM_ARG,EX_FN_NAME,SEM_FN_NAME,RECORD_IADDR,SEM_ARGBUF,
	SEM_NEXT_PC,SEM_BRANCH_VIA_{CACHE,ADDR},SEM_NEW_PC_ADDR): Moved here
	from cgen-types.h.
	(engine_{stop,run,resume,halt,signal}): Delete decls.
	* cgen-types.h (CGEN_{XCAT3,CAT3}): Delete.
	(argbuf,scache): Delete forward decls.
	(STATE): Delete decl.
	* cgen-utils.c: Don't include decode.h, mem-ops.h, sem-ops.h.
	Include cgen-mem.h, cgen-ops.h.
	(engine_halt,engine_signal): Delete.
	({ex,exc,sem,semc}_illegal): Delete.
	(sim_disassemble_insn): Result of extract fn is in bits.
	* genmloop.sh: Rewrite.

	* cgen-trace.c (trace_insn): Set printed_result_p=0 if not tracing
	line numbers.

	* sim-base.h (sim_state_base): Delete member `model'.
	(sim_cpu_base): Add member `model'.
	* sim-model.h (IMP_PROPERTIES): New type.
	(MACH): New members imp_props, models.
	(models): Delete decl.
	* sim-model.c (set_model): Update.
	* sim-profile.c (profile_print_model): Update.

	* sim-utils.c (sim_state_alloc): Delete setting of cpu backlink here.

Fri Jan 16 12:33:09 1998  Nick Clifton  <nickc@cygnus.com>

	* cgen-trace.c (trace_insn): Call CGEN_INSN_MNEMONIC() rather than
	CGEN_INSN_SYNTAX().

Mon Dec 15 23:17:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Mon Dec 15 23:16:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (AR): Check for sigaction.

Thu Dec  4 09:21:05 1997  Doug Evans  <devans@canuck.cygnus.com>

	* Make-common.in (sim-core.o): Depend on $(sim_main_headers).

	* sim-config.h (WITH_TREE_PROPERTIES): Define as 0.
	* sim-config.c (sim_config): Replace WITH_DEVICES with
	WITH_TREE_PROPERTIES.

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Dec  3 17:56:02 1997  Doug Evans  <devans@canuck.cygnus.com>

	* Make-common.in (SIM_ENVIRONMENT): New variable.
	(CONFIG_CFLAGS): Add it.
	* aclocal.m4 (SIM_AC_OPTION_ENVIRONMENT): Handle
	--enable-sim-environment option.
	* configure: Regenerated.
	* sim-config.h (environment support): Rewrite.
	* sim-config.c (current_environment): Define as enum, unconditionally.
	(current_alignment): Define unconditionally.
	(config_environment_to_a): Update.
	(config_alignment_to_a): Fix type of argument.  Define unconditionally.
	(sim_config): Handle environment and alignment determination
	unconditionally.  Delete sanity checks of current_environment,
	unnecessary.
	(print_sim_config): Update.
	* sim-options.c (STANDARD_OPTIONS enum): Add OPTION_ENVIRONMENT.
	(standard_options): Add --environment.
	(standard_option_handler): Likewise.

Fri Nov 28 12:21:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-alu.h: Add notes on carry vs borrow for subtraction.
	(ALU{,8,16,32,64}ADD): Redefine ADD macro as add overflowing.
	(ALU{,8,16,32,64}ADDC): Define - add carrying.
	(ALU{,8,16,32,64}SUB): Redefine SUB macro as subtract overflowing.
	(ALU{,8,16,32,64}SUBB): Define - subtract borrowing.
	(ALU{,8,16,32,64}SUBC): Define - tract carrying.
	(ALU{,8,16,32,64}ADD_CA, ALU{,8,16,32,64}ADDC_C): Replace single
 	argument ADD_CA macro with two argument ADDC_C - add carrying with
 	carry in.
	(ALU{,8,16,32,64}SUB_CA, ALU{,8,16,32,64}SUBC_X): Replace single
 	argument SUB_CA macro with two argument SUBC_X - subtract
 	carrying, extended.
	(ALU{,8,16,32,64}SUBB_B): Define - subtract borrowing with
 	borrow-in.
	(ALU{,8,16,32,64}NEGC, ALU{,8,16,32,64}NEGB): Define.

Sun Nov 30 17:40:57 1997  Michael Meissner  <meissner@cygnus.com>

	* sim-io.c (sim_io_{syscalls,getstring}): Delete.  No longer used.
	* sim-io.h (sim_io_syscalls): Delete.

Fri Nov 28 20:10:09 1997  Michael Meissner  <meissner@cygnus.com>

	* syscall.c (cb_syscall): Add missing else, so write to stdout
	isn't doubled.

	* sim-alu.h (ALU{,8,16,32,64}_SET_CARRY): Provide macros to import
	the carry bit from the CPU's psw.

Fri Nov 28 11:15:05 1997  Doug Evans  <devans@canuck.cygnus.com>

	* gennltvals.sh: Redo syscall support.
	* nltvals.def: Regenerated.

Wed Nov 26 16:49:38 1997  Michael Meissner  <meissner@cygnus.com>

	* syscall.c (cb_syscall): If writing to stdout or stderr, flush
	the stream immediately.

Wed Nov 26 12:32:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-io.c (sim_io_getstring): Delete unused len2.
	(sim_io_syscalls): Ditto for sys_errno.

Wed Nov 26 11:18:40 1997  Doug Evans  <devans@canuck.cygnus.com>

	* syscall.c (cb_syscall): Test CB_SYSCALL struct magic number.

	* Make-common.in (run.o): Depend on remote-sim.h.
	(nrun.o,sim-hload.o,sim-hrw.o): Likewise.
	(sim-io.o,sim-reason.o,sim-resume.o): Likewise.

Tue Nov 25 20:12:46 1997  Michael Meissner  <meissner@cygnus.com>

	* sim-io.c (sim_io_syscalls): Disable lseek.

Tue Nov 25 00:12:38 1997  Doug Evans  <devans@seba.cygnus.com>

	* gennltvals.sh: Use libgloss/syscall.h for sparc.
	* nltvals.def: Regenerate.

	* callback.c (os_stat): Make 3rd arg a host struct stat ptr.
	(os_fstat): Likewise.  Validate fd argument.
	(cb_host_to_target_stat): Delete big_p arg.  If HS arg is NULL,
	just compute target stat struct length.
	* syscall.c: #include "libiberty.h", <sys/types.h>, <sys/stat.h>.
	(ENOSYS,ENAMETOOLONG): Provide definitions if missing.
	(get_string): Return host errno values so they can be properly
	translated later.
	(cb_syscall): Likewise.
	(cb_syscall, cases open,unlink): Use get_path instead of get_string.
	(cb_syscall, case read): Use read_stdin for file descriptor 0.
	(cb_syscall, case write): Use write_stderr for file descriptor 2.
	(cb_syscall): Add cases for lseek, unlink, stat, fstat, time.
	(get_path): New function.

Mon Nov 24 18:56:07 1997  Michael Meissner  <meissner@cygnus.com>

	* sim-io.c (sim_io_syscalls): New function to provide system call
	emulation.  Provide exit, open, close, read, write, lseek, and
	unlink.
	(sim_io_getstring): New function to return a string from a
	simulated memory location.

	* sim-io.h (sim_io_syscalls): Add declaration.

Mon Nov 24 12:09:59 1997  Doug Evans  <devans@seba.cygnus.com>

	* sim-core.c (sim_core_signal): Fix spelling error in message.

	* sim-hrw.c (sim_read): Use read map, not write map.

	* Make-common.in (all): Add .gdbinit.
	* gdbinit.in: Add dump command.

	* sim-model.c (model_options): Use '\0' for `shortopt'.

	* sim-trace.c (trace_option_handler): Set state trace file
	for --trace-file in addition to cpu's values.
	(trace_vprintf): If cpu == NULL, try state's trace file.
	(trace_options): Reorganize table, reword some descriptions.

Sun Nov 23 10:57:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.c (sim_fpu_abs, sim_fpu_neg, sim_fpu_inv), sim-fpu.h:
 	New functions.

Sat Nov 22 19:16:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-reason.c (sim_stop_reason): For sim_signalled, return the
 	signal untranslated, document problem with this.

	* nrun.c (main): Check for a prog name of `*step'.  If present,
 	step the simulator instead of allowing it to run free.

	* sim-signal.c (SIGQUIT): Define on _MSC_VER hosts.

	* Make-common.in (sim_main_headers): Add sim-signal.h.

Fri Nov 21 09:32:32 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-signal.c (sim_signal_to_host): Return 0 for SIM_SIGNONE.

Thu Nov 20 20:35:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-signal.h: Start simulator signals at 64 so that host signal
 	numbers can be detected and reported.

	* sim-signal.h (SIM_SIGFPE), sim-signal.h: Add signal.

Wed Nov 19 12:02:41 1997  Doug Evans  <devans@seba.cygnus.com>

	* callback.c (cb_host_to_target_stat): Fix return values.

	* cgen-sim.h (enum_signal_type): Delete.
	(engine_signal): Update prototype.
	* cgen-utils.c: Don't include <signal.h>.
	(sim_signal_to_host): Delete, lives in sim-signal.c now.
	(engine_signal): Update.

	* sim-utils.c (sim_state_alloc): Call SIM_STATE_ALLOC if defined.
	(sim_state_free): Call SIM_STATE_FREE if defined.

	* sim-module.c (sim_module_install): Don't leave any modules
	installed if one fails to install.

Wed Nov 19 13:25:48 1997  Michael Meissner  <meissner@cygnus.com>

	* sim-options.c: Don't include ../libiberty/alloca-conf.h any
	more, since alloca is not used in this file.

	* sim-alu.h (ALU{32,64}_*): Rewrite 32 and 64 bit ALU support to
	correctly set the carry and overflow bits for those types.
	(ALU{8,16,32,64}_{ADD,SUB}_CA): Take VAL argument to add along
	with carry, so carry is correct after doing both adds.
	(ALU*): Space out '\' to make it easier to read.

Tue Nov 18 15:53:45 1997  Doug Evans  <devans@canuck.cygnus.com>

	* sim-core.c (sim_core_signal): Use sim_stopped instead of
	sim_signalled.

	* sim-signal.c, sim-signal.h: New files.
	* Make-common.in (sim-signal.o): Add rule for.
	(SIM_NEW_COMMON_OBJS): Add sim-signal.o.
	* sim-abort.c: Don't include <signal.h>.
	* sim-basics.h: #include "sim-signal.h".
	* sim-break.c: Don't include <signal.h>.
	(sim_handle_breakpoint): Replace SIGTRAP with SIM_SIGTRAP.
	* sim-core.c: Don't include <signal.h>.
	(SIGBUS): Delete definition.
	(sim_core_signal): Replace SIGSEGV,SIGBUS with SIM_SIGSEGV,SIM_SIGBUS.
	* sim-engine.c: Don't include <signal.h>.
	(sim_engine_abort): Replace SIGABRT with SIM_SIGABRT.
	* sim-reason.c (sim_stop_reason): Call sim_signal_to_host.
	* sim-resume.c: Don't include <signal.h>.
	(SIGTRAP): Delete definition.
	(has_stepped): Replace SIGTRAP with SIM_SIGTRAP.
	* sim-stop.c: Don't include <signal.h>.
	(control_c_simulation): Replace SIGINT with SIM_SIGINT.
	* sim-watch.c: Don't include <signal.h>.
	(handle_watchpoint): Replace SIGINT with SIM_SIGINT.

	* Make-common.in (SIM_NEW_COMMON_OBJS): New variable.

	* sim-base.h (CIA_ADDR): Provide default definition.
	* sim-core.c (sim_core_signal): Use CIA_ADDR to fetch value.
	* sim-break.c (sim_handle_breakpoint): Likewise.

Mon Nov 17 14:15:31 1997  Doug Evans  <devans@seba.cygnus.com>

	* Make-common.in (srccom): New variable.

	* Make-common.in (DEP, COMMON_DEP_CFLAGS): Define.
	(LIB_OBJS): Add syscall.o.
	(gentmap): Pass $(NL_TARGET) to $(CC).
	(syscall.o): Add rule for.
	(sim_main_headers): Add $(SIM_EXTRA_DEPS).
	(sim-bits.o): Depend on $(sim-n-bits_h).
	(sim-load.o): Depend on callback.h.

	* Make-common.in (cgen-*.o): Update dependencies, mem-ops.h renamed to
	cgen-mem.h, sem-ops.h renamed to cgen-ops.h.
	* cgen-mem.h, cgen-ops.h: New files.

	* aclocal.m4 (--enable-sim-scache): Pass -DWITH_SCACHE=0 for "=no".

	* Makefile.in (nltvals.def): Depend on gennltvals.sh.
	Rewrite build rule.
	* callback.c: #include string.h or strings.h.
	#include sys/types.h and sys/stat.h.
	(cb_init_syscall_map,cb_init_errno_map,cb_init_open_map): Declare.
	(os_get_errno,os_open): Update.
	(os_stat,os_fstat): New functions.
	(os_init): Initialize syscall_map, errno_map, open_map.
	(default_callback): Add entries for os_stat, os_fstat, syscall_map,
	errno_map, open_map, signal_map, stat_map.
	(cb_read_target_syscall_maps): New function.
	(cb_target_to_host_syscall): New function.
	(cb_host_to_target_errno): Renamed from host_to_target_errno.
	(cb_target_to_host_open): Renamed from target_to_host_open.
	(store): New function.
	(cb_host_to_target_stat): New function.
	* syscall.c: New file.
	* gentmap.c (sys_tdefs): New global.
	(gen_targ_vals_h): Output target syscall numbers.
	(gen_targ_map_c): Update.  Output target syscall translation map.
	* gentvals.sh: New first argument `target'.  Preface table with
	#ifdef NL_TARGET_$target if non-null target passed.
	* gennltvals.sh: New file.
	* nltvals.def: Regenerated.

Fri Nov 14 11:33:34 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-n-core.h (sim_core_read_unaligned_N): Return static
 	sim_core_dummy_M.
	(sim_core_dummy_M): Declare.
	
Wed Nov 12 18:16:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.c (sim_core_signal): Print the address of the
 	instruction.

Thu Nov 13 11:49:41 1997  Doug Evans  <devans@seba.cygnus.com>

	* sim-base.h (sim_state_base): Move `magic' to end of struct.

	* sim-base.h (sim_state_base): Add member trace_data.
	(STATE_TRACE_DATA): New macro.
	* sim-trace.h (TRACE_DEBUG_IDX,TRACE_debug): New macros.
	({WITH_,}TRACE_DEBUG_P): New macros.
	(STATE_TRACE_FLAGS,STRACE_P,STRACE_DEBUG_P): New macros.
	(_sim_cpu): Delete forward reference.
	(debug_printf): Update.
	* sim-trace.c (OPTION_TRACE_DEBUG): Define.
	(trace_options): Add --trace-debug.
	(set_trace_options): Handle it.
	(trace_option_handler): Likewise.
	(trace_install): Init state trace_data struct.
	(trace_uninstall): Close state trace file.
	* sim-events.c (ETRACE): Only print source file and line number if
	--trace-debug.
	* sim-n-core.h (sim_core_trace_M): Likewise.

	* sim-core.c (sim_core_signal): Add missing "\n" in message.

1997-11-13  Felix Lee  <flee@cygnus.com>

	* sim-n-core.h (sim_core_read_unaligned_N): illegal empty
	initializer.
	* sim-types.h (unsigned128,signed128): fix typo for MSVC.

Wed Nov 12 12:18:08 1997  Doug Evans  <devans@canuck.cygnus.com>

	* aclocal.m4 (SIM_AC_OPTION_SCACHE): Fix typo.

	* Make-common.in (BUILT_SRC_FROM_COMMON): Remove files no longer
	built this way.
	(sim-config.o): Remove non-existent $(sim-nconfig_h) dependency.
	(clean): Don't delete $(BUILT_SRC_FROM_COMMON) if building in
	source tree.

Tue Nov 11 13:28:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-events.c (sim_events_process): Re-compute the time -
 	update_time_from_event - as each event is processed. Reverses
 	previous change.

Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* callback.c (os_poll_quit): Replace _WIN32 with _MSC_VER.

Fri Nov  7 00:37:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-events.c (sim_events_process): Delete redundant call to
 	update_time_from_event.
	(sim_events_slip): Always decrement time_from_event.
	(sim_events_tick, sim_events_deschedule, update_time_from_event):
 	Delete assertion that time_from_event >=0 when work in queue, no
 	longer applicable.

Thu Nov  6 12:06:46 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-options.c (STANDARD_OPTIONS): Change OPTION_* to an enum.
	(standard_option_handler): Update.

	* sim-options.h: Clarify documentation.
 	(OPTION_LONG_ONLY_P): Delete definition.
	(OPTION_VALID_P): Define.
	
	* sim-options.c (sim_print_help): Allow short only options.
	(sim_parse_args): Ditto.
	(sim_args_command): Skip short only options.
	(sim_parse_args): Allocate space for NUM_OPTS not just 256. Make
 	separate entries for short and long options in the HANDLERS and
 	ORIG_VAL tables.
	(sim_parse_args): Disable argument permutation.

Wed Nov  5 13:40:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.h (DECLARE_SIM_CORE_WRITE_N. DECLARE_SIM_CORE_READ_N):
 	Add argument M, size of data type.
	(sim_core_read_misaligned_3, sim_core_write_misaligned_3):
 	Declare, ditto for 5, 6 & 7 byte transfers.
	(sim_core_write_unaligned_1, sim_core_write_unaligned_1): Define
 	as aligned variant.
	
	* sim-n-core.h (sim_core_trace_M): Rename from
 	sim_core_trace_N. Add nr_bytes argument. Replace transfer argument
 	with transfer type. Print transfer direction.  Handle 1 and 2 byte
 	transfers.
	(sim_core_read_unaligned_N, sim_core_write_unaligned_N): Trace
 	unaligned accesses.
	(unsigned_M, T2H_M, H2T_M): Rename from unsigned_N, T2H_N, H2T_N.
  	Update all functions.

	* sim-core.c: Generate functions starting with 16 not 1.
	(sim_core_read_unaligned_3): Generate. Ditto for 3 byte write and
 	all 5, 6 & 7 byte transfers.

	* sim-n-core.h (sim_core_read_misaligned_N,
 	sim_core_write_misaligned_N): Implement.

Mon Nov  3 15:03:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-endian.h (U16_8): Implement

	* sim-endian.c (sim_endian_split_16, sim_endian_join_16): New functions

	* sim-endian.h (VL8_16, VH8_16): Implement.

	* sim-memopt.c (memory_option_handler): Typecast 64bit value to
 	long in printf.
	(memory_option_handler): Only zalloc modulo bytes when non-zero.
	(memory_option_handler): Skip comma in alias address list

Fri Oct 31 13:03:33 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-memopt.c (do_memopt_add, do_memopt_delete): Add level and
 	space params.
	(parse_size, parse_addr): New functions
	(memory_option_handler, memory_options): Parse address & size
 	using new functions. Pass level, space, modulo to do_memopt_add &
 	do_memopt_del.

	* sim-memopt.h (struct _sim_memopt): Add level & space fields.

	* sim-core.h (sim_core_arrach, sim_core_detach): Replace
 	`attach_type attach' argument with `unsigned level' argument.
  	Document.

	* sim-core.c (new_sim_core_mapping, sim_core_map_attach,
 	sim_core_attach): Replace argument attach with level.  Update
 	verification of arguments.
	(sim_core_map_detach, sim_core_detach): Replace argument attach
 	with level.

	* sim-basics.h (enum _attach_type): Delete.

Thu Oct 30 13:45:00 1997  Doug Evans  <devans@seba.cygnus.com>

	* sim-core.h (sim_core_write_8): Define.

Tue Oct 28 12:29:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-bits.h: Document ROTn macro.

	* sim-endian.h (H2T): Handle 16 byte variables.

	* sim-n-core.h (sim_core_read_unaligned_N): Return a dummy when an
 	error.

	* sim-core.c: Do not generate sim_core_*_word.

	* sim-n-core.h (sim_core_trace_N): Add line_nr argument.
	(sim_core_write_aligned_N, sim_core_read_aligned_N): Update.

	* sim-core.h (sim_core_read_unaligned_word,
 	sim_core_read_aligned_word, sim_core_read_word,
 	sim_core_write_unaligned_word, sim_core_write_aligned_word,
 	sim_core_write_word): Change to macros that map onto sim_core_*_N.

Mon Oct 27 11:25:10 1997  Doug Evans  <devans@canuck.cygnus.com>

	* sim-n-endian.h: Add TAGS entrys for 16 byte versions.

	* sim-endian.h: Disable 16 byte support.

Mon Oct 27 12:00:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-endian.c (_SWAP_16): Define.  Generate 126 bit swap code.

	* sim-n-core.h (sim_core_trace_N): New function.
	(sim_core_read_aligned_N, sim_core_write_aligned_N): Use,
	(sim_core_read_unaligned_N): Do not retyrn bogus value wden error.

	* sim-endian.h:  Add 128 bit variant.

	* sim-core.h, sim-core.c: Add 128 bit variant.

	* sim-types.h: Add signed128 and unsigned128 types using a struct.

Fri Oct 24 11:33:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-events.c (sim_events_process): Clear events->work_pending.
	(sim_events_tickn, sim_events_tick): Accumulate, instead of
 	setting, nr_ticks_to_process.
	(sim_events_preprocess): Allow nr_ticks_to_process to be non-zero
 	when the event queue isn't next.

	* sim-events.h, sim-events.c (sim_events_slip): New function.

Wed Oct 22 14:18:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-hload.c (sim_load): Pass lma_p==0 and do_load=sim_load.

	* sim-utils.h, sim-load.c (sim_load_file): Add lma_p and do_load
 	arguments.

Tue Oct 21 18:37:57 1997  Doug Evans  <devans@canuck.cygnus.com>

	* nrun.c (main): Remove useless test of name != NULL.
	Exit if bfd_openr fails.  Call bfd_check_format after bfd_openr.

Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.c (EXPMAX): Type is unsigned.
	(MIN_INT, MAX_INT): Type is signed64.
	(i2fpu): Type of val is signed64.

Tue Oct 21 10:42:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-profile.h (PROFILE_PC_BUCKET_SIZE): Treat a shift of zero as
 	a bucket size of zero.

	* sim-profile.c (OPTION_PROFILE_PC_GRANULARITY,
 	OPTION_PROFILE_PC): Define.
	(profile_option_handler): Add support for --profile-pc and
 	--profile-pc-granularity options.
	(profile_pc_init): When possible, compute nr buckets from bucket
 	size.

	* sim-profile.c (profile_pc_init): Align the profile-pc end
 	address with the profile-pc bucket size.

	* sim-profile.h (PROFILE_PC_NR_BUCKETS): Rename PROFILE_PC_SIZE to
 	something less ambiguous.
	(PROFILE_PC_BUCKET_SIZE): Ditto for PROFILE_PC_SAMPLE_SIZE.

	* sim-profile.c (profile_pc_cleanup): New function. Move
 	profile_pc_uninstall code to here.
	(profile_pc_uninstall): Call.
	(profile_pc_init): Call.

Mon Oct 20 17:23:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-profile.c (profile_print_pc): Dump pc profile to dmon.out
 	file using BSD gprof format.

	* sim-bits.h (LSBIT, MSBIT, BIT): Force result to type
 	unsigned_word.
	(LSBIT8, LSBIT16, LSBIT32, LSBIT64, MSBIT8, MSBIT16, MSBIT32,
 	MSBIT64): Force result to unsignedN.

Thu Oct 16 11:38:56 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-alu.h (ALU16_BEGIN, ALU32_BEGIN, ALU64_BEGIN): Drop opening
 	brace from macro.
	(ALU8_BEGIN, ALU8_SET, ALU8_ADD, ALU8_SUB, ALU8_NEGATE): Define.
	(ALU16_ADD, ALU16_SUB, ALU16_NEGATE): Simplify arrithmetic.
	(ALU32_ADD, ALU32_SUB, ALU32_NEGATE): Simplify arrithmetic.
	(ALU64_ADD, ALU64_SUB, ALU64_NEGATE): Simplify arrithmetic.

Wed Oct 15 09:24:19 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.h (struct _sim_core_mapping): Change free_buffer to
 	type void*.

	* sim-core.c (sim_core_uninstall, new_sim_core_mapping,
 	sim_core_map_attach, sim_core_map_detach): Change free_buffer to
 	type void*.
	(sim_core_attach): Rename buffer_freed to free_buffer, type
 	void*. Ensure that allocated buffer is alligned according to
 	region's address.

Mon Oct 13 11:34:50 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-alu.h (ALU64_HAD_OVERFLOW): Define.
	(ALU64_SUB): Define.

	* Make-common.in (all): Build SIM_EXTRA_ALL first.
	(.gdbinit): Remove dependencies, generate once per build.

Tue Oct 14 19:20:09 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-n-core.h (sim_core_read_aligned_N,
 	sim_core_write_aligned_N): Make xaddr param type address_word not
 	unsigned_word.

Fri Oct  3 09:49:18 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.h, sim-fpu.c: Rewrite.  Change sim_fpu object to an
 	unpacked floating point struct.  Pass sim_fpu object by reference.
	Add preliminary support for rounding modes.
	
Fri Oct  3 09:28:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Thu Oct  2 19:43:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (sim-bitsize): Fix typo, WITH_TARGET_WORD_BITSIZE not
 	WITH_TARGET_BITSIZE.

Thu Sep 25 23:20:20 1997  Felix Lee  <flee@yin.cygnus.com>

        * sim-profile.c (profile_print_core): label needs empty statement.

Thu Sep 25 11:20:47 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>

	* sim-break.c (sim_set_breakpoint sim_clear_breakpoint):  Use ZALLOC
	and zfree instead of xmalloc and free.  Prevents warnings.

Wed Sep 24 17:38:57 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Wed Sep 24 17:23:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* Make-common.in (SIM_BITSIZE): Assign from configured value.
	(CONFIG_CFLAGS): Add SIM_BITSIZE.

	* aclocal.m4 (--enable-sim-bitsize): Developer option for
 	controling the bitsize/msb of the target.

Wed Sep 24 17:41:40 1997  Stu Grossman  <grossman@babylon-5.cygnus.com>

	* Make-common.in:  New files sim-break.c, sim-break.h.
	* sim-base.h:  Add point to breakpoint list to sim_state_base.
	* sim-break.c sim-break.h:  New modules that implement intrinsic
	breakpoint support.
	* sim-module.c:  Add breakpoint module.
	
Tue Sep 23 00:26:39 1997  Felix Lee  <flee@yin.cygnus.com>

	* sim-events.c (SIM_EVENTS_POLL_RATE): poll more often than once
 	an hour.
	* sim-n-core.h (WITH_XOR_ENDIAN): MSVC barfs on
	if (0) { 1 % 0; }
	* sim-core.c (sim_core_xor_write_buffer): WITH_XOR_ENDIAN + 1.
	(SIGBUS) define for Windows.
	* sim-trace.c (trace_printf,debug_printf): added ALMOST_STDC.
	* sim-resume.c: define SIGTRAP for windows.
	* sim-xcat.h: use token pasting if ALMOST_STDC.

Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* Make-common.in (SIM_SCACHE, SIM_DEFAULT_MODEL): Assign
 	configured values.
 	(CONFIG_CFLAGS): Add same.
	
Mon Sep 22 17:20:27 1997  Felix Lee  <flee@cygnus.com>

	* sim-types.h (SIGNED64): ##i64 when _MSC_VER, not _WIN32.
	(SIGNED32): use ##i32.

Tue Sep 23 11:04:38 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Tue Sep 23 10:07:47 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (sim-endian): Simplify logic determining [default]
 	endian of target.

	* Make-common.in (SIM_WARNINGS, SIM_ALIGNMENT, SIM_ENDIAN,
 	SIM_HOSTENDIAN, SIM_RESERVED_BITS, SIM_ASSERT, SIM_FLOAT,
 	SIM_HARDWARE, SIM_INLINE, SIM_PACKAGES, SIM_REGPARM, SIM_SMP,
 	SIM_STDCALL, SIM_XOR_ENDIAN): Assign configured values.
	(CONFIG_CFLAGS): Add same.

	* aclocal.m4: Perform AC_SUBST on optional options.

Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-config.h (WITH_DEFAULT_ALIGNMENT): Don't hardwire any alignment.

	* sim-options.c (standard_option_handler): Typo in warning message.

	* sim-base.h (STATE_MODEL): Make conditional on SIM_HAVE_MODEL.

	* sim-profile.c (profile_print_insn): Check 0 .. MAX_INSN for any
 	insn count.  Make count conditional on there being a valid
 	INSN_NAME.
	(profile_pc_init): Make default PC profile frequency an arbitrary
 	256.

	* sim-base.h: Ditto.

	* sim-profile.h (WITH_PROFILE_MODEL_P): Only enable modeling when
 	SIM_HAVE_MODEL.

	* sim-model.h (struct MACH): Depreciate, to be replaced by bfd
	archure struct.

Mon Sep 22 11:46:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Sep 22 11:45:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (sim_alignment): Simplify logic for selecting the
 	configured alignment.

Fri Sep 19 17:45:25 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Fri Sep 19 17:26:14 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-config.c (sim_config): Check for default alignment.

	* sim-options.c (standard_option_handler): Add alignment option.

	* aclocal.m4 (sim_alignment): Allow configuration of hardwired and
 	default alignment requirements on memory accesses.
	
Fri Sep 19 11:51:35 1997  Jeffrey A Law  (law@cygnus.com)

	* sim-load.c (sim_load_file): Return failure if the executable
	had no loadable sections.

Wed Sep 17 13:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-events.c (ETRACE): Use trace_printf not sim_io_printf for
 	trace output.

	* sim-core.c (sim_core_signal): When bad access halt simulator
 	SIGSEGV / SIGBUS instead of aborting.
	(signal.h): Include.
	
	* sim-watch.c (sim_watchpoint_install): Handler for watchpoint
 	options was missing.

	* sim-bits.h (MOVED): Define

Wed Sep 17 10:33:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-alu.h (ALU32_HAD_OVERFLOW): Pacify GCC, Use MSBIT instead of
 	BIT.

	* sim-bits.h (LSBIT, MSBIT): Check for overflow of shift value.

	* sim-bits.c: Add 8 bit versions of bit macros.

	* sim-bits.h: Ditto.

Tue Sep 16 16:15:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-bits.c (LSSEXT, MSSEXT): Replace SEXT.
	(LSINSERTED, MSINSERTED): Ditto for INSERTED.
	
	* sim-n-bits.h (MSSEXTn, LSSEXTn): Replace SEXTn.
	(LSINSERTDn, MSINSERTEDN): Ditto for INSERTEDn.
	
	* sim-bits.h (SEXT*): Define as MSEXT/LSEXT.
	(INSERTED*): Ditto for LSINSERTED/MSINSERTED.
	
Mon Sep 15 17:36:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (SIM_AC_COMMON): Add optional config.h file argument.
	configure.in: Output to cconfig.h instead of config.h.

	* configure: Regenerated to track ../common/aclocal.m4 changes.

Mon Sep 15 15:39:28 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-utils.c (sim_analyze_program): Set STATE_ARCHITECTURE from
 	BFD if known.

Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>

	* callback.c (os_write): divert stdout and stderr to their
 	respective hooks.

Thu Sep 11 10:08:48 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-profile.c (profile_print_speed): Call
 	sim_events_elapsed_time instead of PROFILE_EXEC_TIME for moment.

	* sim-events.c (sim_events_elapsed_time): New function return nr
 	host MS consumed by the simulator.
	(sim_watch_valid): Use.

	* sim-module.c (modules): Install sim_events very very early.

	* sim-profile.c (profile_print): Call profile_print_pc.
	(print_bar):
	(profile_pc_init): New function, set up processor for PC
 	profiling.
	(profile_print_pc): New function, print a PC profile.
	(profile_pc_event): New function, sample PC.

	* sim-profile.h (PROFILE_PC_COUNT, PROFILE_PC_START,
 	PROFILE_PC_END, PROFILE_PC_SHIFT, PROFILE_PC_SAMPLE_SIZE): Add to
 	profile struct.

	* sim-options.c (sim_print_help): Pacify GCC.

	* sim-n-core.h (sim_core_read_aligned_N,
 	sim_core_write_aligned_N): Add un-conditional profile call.
	(sim_core_read_unaligned_N, sim_core_write_unaligned_N): Add
 	profile call when aligned read/write isn't used.

	* sim-base.h: Include sim-profile, sim-model after sim-core &
 	sim-events allow sim-core to define useful values.

	* sim-profile.c (OPTION_PROFILE_CORE): Define.
	(profile_option_handler, profile_options): Add support for
 	--profile-core option.
	(print_bar): Include when core profiling.
	(profile_print_core): New function, print core profile.

	* sim-config.c (print_sim_config): Print profile status.

	* sim-profile.h (PROFILE_NEXT_IDX, PROFILE_core,
 	WITH_PROFILE_PC_P): Define.
	(PROFILE_CORE_COUNT): Count each core-map/size separatly.
	(PROFILE_COUNT_CORE): Define.

Thu Sep 11 08:44:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-watch.c (handle_watchpoint): Pass a char** index into the
 	interrupt_names array as the data.
	(sim-watch.h): Document.

Wed Sep 10 16:15:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-options.c (sim_print_help): When the doc string is to long
 	word wrap it.

	* sim-watch.c (sim_watchpoint_install): Use option.doc_name so
 	that only the first few the watch options are listed.  Generate
 	meanginful usage messages.

	* sim-options.h (struct OPTION): Clarify use of doc_name field
	
Wed Sep 10 13:23:24 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-options.c (OPTION_ARCHITECTURE_INFO): New option.
	(standard_option_handler): Handle --architecture-info.

Tue Sep  9 21:46:46 1997  Felix Lee  <flee@cygnus.com>

	* sim-core.h (sim_cpu_core): [WITH_XOR_ENDIAN + 1], to avoid
	illegal zero-sized array.
	* sim-core.c (sim_core_xor_read_buffer): same.

Tue Sep  9 11:20:35 1997  Doug Evans  <dje@canuck.cygnus.com>

	* nltvals.def: Regenerate.

Tue Sep  9 02:10:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.c (DP_FRACHIGH2): Define LL using SIGNED64.

Mon Sep  8 12:22:20 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-bits.c (MASKED): Delete.
	(EXTRACTED): Delete.
	(LSEXTRACTED, MSEXTRACTED): New functions.

	* sim-n-bits.h (MASKEDn): Delete, define as MSMASKED or LSMASKED.
	(MSMASKEDn, LSMASKEDn): Add last argument.
	(MSMASK*): Ditto.
	
	* sim-bits.h (EXTEND8, EXTEND16): Define.
	(EXTRACTED64): Define as 64 bit extract, not 32 bit.

	* sim-run.c (sim_engine_run): Use CPU_CIA macro.

	* sim-engine.h (SIM_ENGINE_HALT_HOOK): Use CPU_CIA to get at
 	current instruction address.

	* sim-inline.h (*_ENGINE): Define.

Fri Sep  5 08:39:02 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.c (sim_core_attach): Fix checks of modulo/mask.

	* sim-watch.c (delete_watchpoint): Delete by ident and type.
	(watch_option_handler): Call delete_watchpoint with ident or type.
	(sim_watchpoint_install): Create interrupt specific watchpoint
 	commands on the fly.
	(do_watchpoint_create): New function, create a watch point using
 	type/int-nr info encoded in the option nr.
	(do_watchpoint_info): New function.  List active watchpoints.

	* sim-watch.h: Change data structure to a list.

	* sim-memopt.c (memory_option_handler): Require explicit "all"
 	before deleting all memory regions.

	* sim-utils.c (sim_do_commandf): New function, printf version of
 	sim_do_command.

	* sim-basics.h (asprintf, vasprintf): Hack, define for CYGWIN32. 
	
	* sim-alu.h (ALU64_ADD): Use explicit MSEXTRACTED64, do not assume
 	bit endianness.
	(SIGNED64, UNSIGNED64): Delete.
	(ALU64_ADD): Don't rely on bit endianness.
	(ALU64_BEGIN): Define.

	* sim-n-bits.h (MSEXTRACTEDn, LSEXTRACTED): New functions.
	(EXTRACTEDn): Delete, define as either LSEXTRACTED or MSEXTRACTED.

	* sim-types.h (SIGNED64, UNSIGNED64): New macros, attach relevant
 	suffix - u64, LL - to 64 bit constants.

Thu Sep  4 09:27:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-config.c (sim_config): Add assert for SIM_MAGIC_NUMBER.

	* sim-utils.h (NZALLOC): Define - zalloc * N.

	* sim-hrw.c (sim_read, sim_write): New file.  Provide generic
 	implementation of read/write functions.

	* Make-common.in (sim-hrw.o): New target.

	* sim-base.h (STATE_MEMOPT_P): Delete, simulators _always_ add
 	memory.

	* sim-memopt.c (memory_option_handler): Implement memory-size
 	command. Implement memory-alias command.  Let memory-delete delete
 	all memory regions.
	(add_memopt): New function.  Add a memory region.
	(do_memopt_delete): New function. Delete a memory region.

	* sim-utils.c (sim_elapsed_time_get): Never return zero.

	* sim-core.c (sim_core_detach): New function.
	(sim_core_map_detach): New function. Perform the actual detach.
	(sim_core_init): Move initialization code from here.
	(sim_core_install): To here.
	(sim_core_uninstall): And here.

	* sim-module.c: Add memopt module.

	* sim-base.h (STATE_MEMOPT, STATE_MEMOPT_P): Add memopt to
 	simulator base type.

	* Make-common.in (sim_main_headers): Add sim-memopt.h
	(sim-memopt.o): New target.

	* sim-core.c (sim_core_install): Add core_options to the option
 	table.

	* sim-watch.c (watch_options): Make --delete-watch a synonym for
 	--watch-delete.

	* sim-config.h (WITH_MODULO_MEMORY): Define as 0.  Update
 	comments.

	* sim-core.h (struct _sim_core_mapping): Change nr_bytes to type
 	address_word, add mask member.
	
	* sim-core.h, sim-core.c (sim_core_attach): Make nr_bytes of type
 	address_word, allow for 64bit targets in 32bit host. Add modulo
 	argument.
	(sim_core_map_attach): Ditto.
	(new_sim_core_mapping): Ditto.
	(sim_core_translate): Mask address when modulo memory.

Wed Sep  3 17:32:54 1997  Doug Evans  <dje@seba.cygnus.com>

	* sim-hload.c (sim_load): Add assert for SIM_MAGIC_NUMBER.

	* gdbinit.in: New file.
	* aclocal.m4 (SIM_AC_OUTPUT): Build .gdbinit.
	* Make-common.in (distclean): Delete .gdbinit.
	(.gdbinit): Add rule for.
	* configure: Regenerated to track ../common/aclocal.m4 changes.

	* Make-common.in (cgen-run.o): Add rule for.

Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-resume.c (sim_resume): Suspend/resume the simulator.

	* sim-events.c (sim_watch_valid): Compute total elapsed time from
 	both resumed and previous elapsed time.
	(sim_events_init): Set initial_wallclock and current_wallclock to
 	zero.
	(sim_events_install): Install sim_events_suspend and
 	sim_events_resume.
	(sim_events_watch_clock): Allow for suspended simulator when
 	computing the time of the clock event.

	* sim-events.h (struct _sim_event): Add resume_wallclock, rename
 	initial_wallclock to elapsed_wallclock, set both to zero.
	(sim_events_init, sim_events_uninstall): Delete prototypes.

	* sim-module.h (MODULE_SUSPEND_FN, MODULE_RESUME_FN): Define types.
	
	* sim-module.c(sim_module_resume, sim_module_suspend): New
 	functions.

Wed Sep  3 10:08:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.c (sim_core_map_attach): Clarify memory overlap error
 	message.

Tue Sep  2 14:57:06 1997  Doug Evans  <dje@canuck.cygnus.com>

	* Makefile.in (TAGS): Add support for "/* TAGS: foo */" marker.
	* Make-common.in (TAGS): Likewise.
	* sim-n-bits.h: Add TAGS comments for all functions.
	* sim-n-core.h: Likewise.
	* sim-n-endian.h: Likewise.

Mon Sep  1 10:50:11 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-utils.c (sim_state_alloc): Set CPU backlinks, callback and
 	kind.
  	
	* sim-base.h (sim_state_alloc): Add callback and kind arguments.
	
	* sim-base.h (INVALID_INSTRUCTION_ADDRESS): Add default
 	definition.

Sat Aug 30 09:47:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.c (DP_GARDMSB, ...): Make unsigned.
	(DP_FRACHIGH, DP_FRACHIGH2, ..): Use MSMASK to avoid LL.

Fri Aug 29 13:37:44 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.c (sim_core_map_attach): Cast attach enum to int.
	(sim_core_xor_read_buffer, sim_core_xor_write_buffer): Make
 	nr_transfered and nr_this_transfer unsigned.

	* sim-events.c (sim_events_tickn): N is signed, as limited to
 	MAXINT.

	* sim-n-endian.h (offset_N): Change size to unsigned.

	* callback.c (os_poll_quit): Add prototypes for kbhit and getkey.

Fri Aug 29 10:10:53 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-utils.c (sim_copy_argv): Delete, replaced by dupargv.

	* sim-options.c (sim_parse_args): Use dupargv.

Thu Aug 28 10:36:34 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-options.c (standard_option_handler): Use xstrdup, not strdup.

Thu Aug 28 12:09:15 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-base.h (STATE_ARCHITECTURE, STATE_TARGET): Add to simulator
 	base type.

	* sim-options.c (standard_options): Add --architecture=MACHINE and
 	--target=TARGET options.
	(OPTION_ARCHITECTURE, OPTION_TARGET): Define.
	(standard_option_handler): Handle architecture and target options.
	(bfd.h): Include.
	
	* sim-utils.c (sim_analyze_program): Pass STATE_TARGET to
 	bfd_openr.
	(sim_analyze_program): Set prog_bfd architecture from
 	STATE_ARCHITECTURE if known.

Wed Aug 27 18:13:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Wed Aug 27 18:11:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (enable-sim-warnings): Remove comment stating
 	that option does not apply to certain files.

Wed Aug 27 15:13:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-bits.h (LSBIT8, LSBIT16, LSBIT32, LSBIT64, LSBIT, MSBIT8,
 	MSBIT16, MSBIT32, MSBIT64, MSBIT): New macros - single bit as
 	offset from MSB/LSB.

	* sim-endian.h (A1_8, A2_8, A4_8, A1_4, A2_4, A1_2): New macro,
 	access address of sub word quantity of a hosts 16, 32, 64 bit word
 	type.
	(V1_2, V1_4, V2_4, V1_8, V2_8, V4_8): Ditto for values.
	(U8_1, U8_2, U8_4, U4_1, U4_2, U2_1): Ditto for set of values.
	(V2_H1, V2_L1, V4_H2, V4_L2, V8_L4, V8_H4): Given N byte argument,
 	return N*2 byte value with argument in Hi/Lo word.  Renamed from
 	V1_H2, V1_L2, V2_H4, V2_L4, V4_H8, V4_L8.
 	
	* sim-alu.h (ALU32_HAD_OVERFLOW): Use 64 bit mask not 32bit.
	(ALU16_HAD_CARRY, ALU32_HAD_CARRY, ALU16_HAD_OVERFLOW): Use MSBIT
 	so that bit offset is explicit.

Wed Aug 27 11:55:35 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-utils.c (sim_analyze_program): Add prog_name argument.
  	Update STATE_PROG_BFD when needed with a dup'd copy of the
 	program.

	* sim-config.c (sim_config): Delete ABFD argument, use
 	STATE_PROG_BFD directly.

Tue Aug 26 12:55:26 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* run.c (main): Pass the open ABFD to sim_create_inferior.
	
	* nrun.c (main): Determine prog_bfd.  Pass to sim_create_inferior
 	and sim_load.
	(bfd.h): Include.
	
	* sim-hload.c (sim_load): New file. Implement generic sim_load for
 	hardware only simulator targets.

	* Make-common.in (sim-hload.o): Add rule.

Wed Aug 27 09:51:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-utils.c (sim_copy_argv): Rewrite to match malloc strategy
 	used by copyargv and freeargv.

	* sim-options.c (sim_parse_args): Save a copy of PROG-ARGS in
 	STATE_PROG_ARGV, not just a pointer.

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 12:11:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* aclocal.m4 (sim-endian): Add second argument to
 	SIM_AC_OPTION_ENDIAN.  First is hardwired endian, second is
 	default endian when not hardwired.

	* sim-config.h (WITH_DEFAULT_TARGET_BYTE_ORDER): New macro, if all
 	else failes value for target byte order.

	* sim-config.c (sim_config): Add abfd arguments. Set
 	STATE_PROG_BFD accordingly.  Determine prefered_target_byte_order
 	from same.
	(sim_config): Return SIM_RC, don't abort.
	(bfd.h): Include.
	
	* run.c (main): Update call to sim_open - add ABFD argument.
  	* nrun.c (main): Add NULL ABFD argument.

Thu Aug 14 12:48:57 1997  Doug Evans  <dje@canuck.cygnus.com>

	* callback.c (os_poll_quit): Make static.
	Call sim_cb_eprintf, not p->eprintf.
	(sim_cb_printf, sim_cb_eprintf): New functions.
	* sim-utils.h (sim_cb_printf, sim_cb_eprintf): Declare.

	* sim-basics.h (zalloc,zfree,sim_add_commas,SIM_ELAPSED_TIME,
	sim_elapsed_time_get,sim_elapsed_time_since): Move decls to
	sim-utils.h. #include sim-utils.h.
	* sim-utils.h: Above decls moved here.
	(sim_analyze_program,sim_load_file): Use `struct _bfd', not `bfd'.

	* sim-watch.c (action_watchpoint): Fix thinkos.

Thu Jul 24 08:48:05 1997  Stu Grossman  (grossman@critters.cygnus.com)

	* sim-types.h:  Fix defs of 64 bit data types for MSVC.

Tue Jul 22 10:35:37 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-n-core.h (sim_core_write_unaligned_N): Add missing break
	to FORCED_ALIGNMENT case.

Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* callback.c (target_to_host_open): Handle hosts with O_BINARY.

Thu Jun  5 08:47:10 1997  Jeffrey A Law  (law@cygnus.com)

	* Make-common.in (libsim.a): Fix typo.

Thu Jun  5 13:48:37 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* nrun.c (main): Verify the structure returned before using it.

Wed Jun  4 11:44:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-config.h (WITH_ENGINE): Enable the sim-engine module by
 	default.

	* sim-engine.c (sim_engine_install): New function.  Install the
 	engine init functions.
	(sim_engine_init): [Re]initialize the simulator engine.
	
	* sim-module.c: Add sim_engine to list of modules that always
 	install.

Tue Jun  3 04:52:04 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-watch.c (schedule_watchpoint): Use sim_unschedule_watchpoint
 	to remove the old watchpoint, not delete_watchpoint.
	(watch_option_handler): Action the correct watchpoint, not just
 	cycles.

Wed May 28 14:47:41 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-n-core.h (sim_core_write_aligned_N): For 8byte reads, output
 	both low and high word.
	(sim_core_write_aligned_N): Ditto.
	
	* sim-trace.c (set_trace_options): Delete code explicitly setting
 	core->trace.

	* sim-options.c (sim_print_help): Call the list commands if not a
 	standalone simulator.
	(sim_print_help): Advise that some options may not be applicable.
	
	* sim-trace.c (set_trace_options): Assume core present.

	* sim-events.c (sim_events_schedule_after_signal): Overflow signal
 	buffer when full not almost full.

Tue May 27 14:32:00 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-events.c (sim_events_process): Don't blat the event queue
 	when processing watchpoints.

	* sim-watch.h: Make arg unsigned long - stop sign extension.

	* sim-events.c (sim_watch_valid): rewrite so debugable.

	* sim-config.h (WITH_XOR_ENDIAN): Default to zero.

	* sim-watch.c (schedule_watchpoint): Add is_within option so that
 	inequality test is possible.
	(handle_watchpoint): Re-pass is_within arg.
	(watch_option_handler): When `!' prefix to pc-watchpoint arg pass
 	0 to schedule_watchpoint's is_within arg.
	(sim_watchpoint_init): Re-pass is_within arg.

	* sim-options.c (sim_print_help): Add is_command argument.  Don't
 	include -- prefix when called from the command line interpreter.

	* sim-watch.c (schedule_watchpoint): Pass true is_within argument.

	* sim-events.c (sim_events_watch_sim): Add is_within argument,
 	zero indicates that the test should be reversed.
	(sim_events_watch_core): Ditto.
	(WATCH_CORE): Compare range against is_within.
	(WATCH_SIM): Ditto.

Tue May 27 12:48:03 1997  Andrew Cagney  <cagney@b2.cygnus.com>

	* sim-events.c (WATCH_CORE): Pass NULL cpu argument to
 	sim_core_read_buffer.  Check nr-bytes transfered.

	* sim-core.h (sim_core_common): Define a new struct that contains
 	the common data.  to sd and cpu structures.
	* sim-core.c (sim_core_attach): Update.
	(sim_core_init): Update. Remember to copy initialized data to each
 	cpu.
	(sim_core_find_mapping): Ditto.

	* sim-core.c (sim_core_read_buffer): Add cpu argument.
	(sim_core_write_buffer): Ditto.

	* sim-n-core.h (sim_core_read_unaligned_N): When mis-aligned
 	transfer use xor version of read buffer.
	(sim_core_write_unaligned_N): Ditto for write.
	
	* sim-core.c (sim_core_xor_read_buffer): New function implement
 	xor-endian data read breaking transfer up into xor-endian sized
 	blocks.
	(sim_core_xor_write_buffer): Ditto for write.
	(reverse_n): Reverse order of arbitrary number of bytes in buffer
 	- needed for xor-endian transfers.

Fri May 23 14:24:31 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-inline.h: Review description.
	
	* sim-core.h, sim-core.c: Reduce number of functions being inlined
 	to just those involved in data transfers and configuration.
	
	* sim-xcat.h (XSTRING): New macro, map macro definition onto
 	string.
	* sim-n-core.h (sim_core_read_aligned_N): Use.
	(sim_core_read_unaligned_N): Ditto.
	(sim_core_read_unaligned_N): Ditto..
	(sim_core_write_unaligned_N): Ditto.
	
	* sim-core.h: Add xor endian bitmap to main structure.  *
	
 	sim-n-core.h (sim_core_write_aligned_N): Add suport for xor
 	endian.
	(sim_core_read_aligned_N): Ditto.

	* sim-core.c (sim_core_set_xor_endian): New function.
	(sim_core_attach): Don't overwrite the per-cpu xor map when
 	cloning the global core.

Fri May 23 10:53:13 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-engine.h: Update below so that it is using an enumerated
 	type.

Thu May 22 09:12:16 1997  Gavin Koch  <gavin@cygnus.com>

	* sim-engine.c (sim_engine_restart): 
	* sim-resume.c (sim_resume): Change longjmp param/setjmp 
 	return value used for simulator restart from 0 to 2.

Wed May 21 08:47:30 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* cgen-scache.c (scache_option_handler): Add is_command arg.

	* sim-model.c (model_option_handler): Add is_command argument.

	* sim-profile.c (profile_option_handler): Add is_command arg.

	* sim-events.c (sim_watch_valid): Use ub64, lb64 when 64bit value
 	involved.

	* sim-module.c (sim_module_add_init_fn): Call init fn in the same
 	order that they are registered.

	* sim-options.h (OPTION_HANDLER): Add argument to differentiate
 	between option and command line processing.

	* sim-options.c: Include stdlib.h, ctype.h.

	* Make-common.in (sim-watch.o): Add rule.
	(sim_main_headers): Assume sim-assert.h included.
	(sim-*.o): Simplify make rule.
	
	* sim-module.c: Add sim_watch_install to module list.

Tue May 20 14:15:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-base.h (STATE_LOADED_P): New predicate. Set once everything
 	has been loaded.

	* sim-trace.c (trace_install): Check magic. Include sim-assert.h.
	* sim-events.c (sim_events_install): Ditto.
	* sim-core.c (sim_core_install): Ditto.
	* sim-model.c (model_install): Ditto.
	* sim-options.c (standard_install): Ditto.
	* sim-profile.c (profile_install): Ditto.
	* sim-reason.c (sim_stop_reason): Ditto.
	* sim-run.c (sim_engine_run): Ditto.
	* sim-utils.c (sim_analyze_program): Ditto.

	* sim-module.c (modules): Make profile_install and trace_install
 	optional.

	* sim-base.h (STATE_MEM_BASE): Define for flat memory systems.

	* sim-options.c (standard_option_handler): Set the byte order.

	* sim-events.c (sim_events_process): Allow multi tick processing.
	(sim_events_tickn): New function - multi cycle tick.
	
	* sim-events.h (sim_events_tickn, sim_events_timewarp): Add
 	prototypes.  Under development.
	(sim_events): Replace processing with nr_ticks_to_process.

Tue May 20 09:39:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* nrun.c (main): Pass callbacks to sim_open instead of using
 	sim_set_callbacks.

	* run.c (main): Ditto.

Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-events.c (sim_events_zalloc): Signal save memory allocator -
 	stop tk interrupting malloc calls.
	(sim_events_zalloc): Converse.

	* Make-common.in (sim_main_headers): Add sim-events.h.

	* sim-events.c (sim_events_schedule_after_signal): Change return
 	type to void - signal events are strictly internal.
	(sim_events_init): Allocate a finite buffer for signal events.
	(sim_events_schedule_after_signal): Enter signal events into the
 	signal buffer.

	* sim-engine.c (sim_engine_halt): Check SIM_DESC magic.
	(sim_engine_restart): Ditto.
	(sim_engine_abort): Ditto.
	* sim-stop.c (sim_stop): Ditto.
	(control_c_simulation): Ditto.
	* sim-resume.c (sim_resume): Ditto.
	(has_stepped): Ditto.
	* sim-abort.c (sim_engine_abort): Ditto.

	* sim-basics.h (transfer_type): New type.

	* sim-core.c (sim_core_signal): New function. Print core signal
 	information.
	(sim_core_find_mapping): Add transfer argument.

	* sim-n-core.h (sim_core_{write,write}_unaligned_N): Call
 	SIM_CORE_SIGNAL if a recoverable abort.
	* sim-core.c (sim_core_find_mapping): Ditto.

Fri May 16 15:13:21 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.c (sim_core_find_mapping): Replace calls to
 	sim_io_error to more resiliant sim_engine_abort.

	* sim-n-core.h (sim_core_read_unaligned_N): Ditto.
	(sim_core_write_unaligned_N): Ditto.

Tue May 13 13:50:06 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-module.c: Add sim_events_install to list.
	
	* sim-events.c (sim_events_install, sim_events_uninstall): Clonse
 	from sim_core_*.
	(sim_events_init): Now returns SIG_RC.

	* sim-run.c: New file. Generic sim_engine_run.
	* sim-reason.c: New file. Generic sim_stop_reason.
	* sim-stop.c: New file. Generic sim_stop.
	* sim-resume.c: New file. Generic sim_resume.
	
	* Make-common.in (sim-engine.o): Add rule.
	(sim-run.o, sim-reason.o, sim-stop.o, sim-resume.o): Ditto.
	
	* sim-engine.h, sim-engine.c: New file. Provide generic
 	implementation of sim_engine_halt, sim_engine_error. et.al.

	* sim-base.h (sim_state_base): Add member halt.
	(sim-engine.h): Include.

	* sim-events.h (sim_event_handler): Always pass SIM_DESC to event
 	handlers.
	* sim-events.c (sim_events_poll): Update event handler.

Tue May 13 09:57:49 1997  Andrew Cagney  <cagney@b2.cygnus.com>

	* sim-events.h, sim-events.c (sim_events_watch_clock): New
 	function.
	(sim_events_watch_sim): New function.
	(sim_events_watch_core): New function.
	(sim_watch_valid): New function.
	(sim_events_preprocess): New function.
	(sim_events_process): Process the watchpoints as well as the timer
 	queue.
	(sim_events_tick): Check WORK_PENDING instead of the hold queue.
	(sim_events_deschedule): Check all the queues when removing an
 	event.
	(sim_events_init): Ditto for cleaning.

Mon May 19 12:07:22 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.c (is_ufpu_number): Comment out - currently unused.

Mon May 19 11:23:03 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* callback.c (os_open): Type of arg flags is int.

Fri May 16 22:26:43 1997  Michael Meissner  <meissner@cygnus.com>

	* sim-fpu.c (sim_fpu_is_{eq,ne,lt,le,gt,ge}): Compare Infinities
	just like normal numbers as per IEEE rules.

Wed May 14 21:20:38 1997  Bob Manson  <manson@charmed.cygnus.com>

	* callback.c (os_close): Mark the descriptor as being
	available if the close succeeded.
	(os_open): Pass 0644 as the mode of the file being created.

Thu May 15 10:58:52 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-fpu.c (pack_fpu, unpack_fpu): New functions - decode a
 	float.

	* sim-inline.c (SIM_INLINE_C): Rename from _SIM_INLINE_C_.
	* sim-lnline.h: Update.

	* sim-fpu.h, sim-fpu.c (sim_fpu_[iu]{32,64}to): New int2fp
 	conversion functions.
	(sim_fpu_to{32,64}[iu]): New fp2int functions.
	
	* sim-fpu.h, sim-fpu.c (sim_fpu_is_{lt,le,eq,ne,ge,gt}): New fp
 	compare functions.  Replacing.
	(sim_fpu_cmp): This. Delete.
	
Mon May 12 14:49:05 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.c (sim_core_find_mapping): Call engine_error not
 	sim_io_error when possible.

Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b2.cygnus.com>

	* sim-endian.h (V1_H2): Add macro's to insert a word into a
 	high/low double word.

	* sim-trace.h: Remove definition of attribute - defined in
 	sim_basics.h.

Mon May 12 08:55:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-options.h (struct OPTION): Add doc_opt as the documenting
 	name of the option - or family of options.

	* sim-options.c (sim_args_command): Match command `a-b c' with
 	option `--a-b-c' from option table.

Thu May  8 12:40:07 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-options.c (sim_print_help): For optional arguments, wrap
 	them in [].

	* sim-trace.c (set_trace_options): New function, handle optional
 	argument and multiple assignment.
	(trace_option_handler): Update.

	* sim-trace.c (trace_option_handler): Trace branch and not fpu
 	when branch tracing selected.

Wed May  7 15:19:58 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-trace.c (trace_one_insn): Make a va-args function.

	* sim-trace.c (trace_vprintf): New function, va-arg version of
 	trace_printf.

Tue May  6 16:38:16 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-trace.c (trace_uninstall): Don't close a file twice.
	* sim-profile.c (profile_uninstall): Likewise.

Tue May  6 06:14:01 1997  Mike Meissner  <meissner@cygnus.com>

	* sim-trace.c (toplevel): Include bfd.h.
	(trace_options): Note that --trace-linenum also turns on
	--trace-insn.  Add --trace-{branch,semantics}.
	(trace_option_handler): If --trace-linenum, also turn on
	--trace-insn.  Add --trace-branch support.  If --trace-semantics,
	turn on ALU, FPU, branch, and memory tracing.
	(trace_one_insn): New function to trace an instruction.  Support
	--trace-linenum.
	(OPTION_TRACE_*): Use an enum, rather than lots of defines.

	* sim-trace.h (TRACE_{SEMANTICS,BRANCH}_IDX): Add new macros.
	(MAX_TRACE_VALUES): Use 32, not 12 by default.
	(TRACE_branch): Add new mask.
	(TRACE_*_P): Define all possible trace_p macros.
	(trace_one_insn): Declare function.

Mon May  5 14:08:34 1997  Mike Meissner  <meissner@cygnus.com>

	* sim-trace.h (__attribute__): Define as nothing if not GNU C or
	GNU C doesn't support __attributes__.
	({trace,debug}_printf): Add attribute's so -Wformat can check the
	format strings.

Mon May  5 11:16:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-config.h (FORCED_ALIGNMENT): New alignment option -
 	addresses are masked forcing them to be correctly aligned.
	(WITH_ALIGNMENT): Make NONSTRICT_ALIGNMENT the default.
	* sim-config.c (config_alignment_to_a): Update.

	* sim-core.h (sim_cpu_core): New data type contains cpu specific
 	core data.
	* sim-base.h (CPU_CORE): Add cpu specific core data to cpu base
 	type.
	* sim-core.c (sim_core_attach): Add CPU argument.  Ready for
 	processor specific core maps.
	(sim_core_map_attach): Copy the core map data to each of the
 	processor specific core data structures.
	* sim-core.c (sim_core_find_mapping): Update.

	* sim-n-core.h (sim_core_read_N, sim_core_write_N): Rename.
	(sim_core_write_aligned_N, sim_core_write_aligned_N): New names.
	(sim_core_write_unaligned_N, sim_core_write_unaligned_N): New
 	alternatives that handle unaligned addresses.
	(sim_core_{read,write}_{,un}aligned_N): Drop SIM_DESC arg, replace
 	with just CPU arg.
	* cgen-utils.c (sim_disassemble_insn): Update.

Mon May  5 13:19:16 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-trace.h (TRACE_FPU_IDX): Add Floating-point specific
 	tracing.

	* sim-fpu.h, sim-fpu.c: New files - prototype for generic target
 	fpu support.

	* sim-inline.h, sim-inline.c: Add support for SIM_FPU.

Fri May  2 17:59:42 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-core.c (sim_core_map_to_str): New function ascii equivalent
 	to map type.
	
	* sim-n-core.h (sim_core_read_N, sim_core_write_N): Use in trace
 	statement.

Fri May  2 17:28:02 1997  Andrew Cagney  <cagney@b2.cygnus.com>

	* cgen-trace.c: Prepend additional trace_printf argument.

	* cgen-utils.c (sim_disassemble_insn): Add additional core
 	arguments.

Fri May  2 11:40:23 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* nrun.c (main): Catch/report errorenous simulator states.

	* sim-module.c: #include "libiberty.h" so that xmalloc is defined.
  	* sim-trace.c: #include string.h/strings.h so that memset is
 	defined.
	* sim-utils.c: Ditto.
	* sim-profile.c: Ditto. And stdlib.h.
	(print_bar): Only define when used by instruction or memory profiler.

	* sim-options.c (standard_option_handler): Make ul more local.
	
	* sim-load.c (sim_load_file): Make the name constant.
	(sim_load_file): Passify gcc.

	* sim-utils.h: New file, pre-declare utilites in corresponding .c
 	file.
	* sim-utils.c, sim-load.c: Include sim-utils.h.
	
	* sim-base.h (sim_cpu): Pre define here so available to all.

	* sim-core.h (DECLARE_SIM_CORE_WRITE_N, DECLARE_SIM_CORE_READ_N):
 	Restore the sim_cpu and instruction_address arguments so that full
 	information is available to the abort function.
	* sim-core.c (sim_core_find_mapping, sim_core_write_buffer): Ditto.
	* sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.

	* sim-trace.h, sim-trace.c (trace_option_handler): Add interim
 	tracing support for sim-events and sim-core.
	(trace_option_handler): Convert #if to if where possible so always
 	compiled/checked by C compiler.
	* sim-n-core.h (sim_core_write_N, sim_core_read_N): Update.
	
	* sim-base.h: Adjust comment documenting how to define the cpu
 	structure.
	(sim_state_base): Add sim_core and sim_events to simulator base
 	object.

	* sim-trace.h, sim-trace.c (trace_printf): Add SIM_DESC argument.
	* sim-core.c (sim_core_init, sim_core_attach,
 	sim_core_find_mapping): Update.
	* sim-events.c (ETRACE, sim_events_init, sim_events_time,
 	update_time_from_event, insert_sim_event,
 	sim_events_schedule_after_signal, sim_events_deschedule,
 	sim_events_tick): Ditto.
	
	* sim-basics.h (sim-module.h, sim-trace.h, sim-profile.h,
 	sim-model.h): Move #includes from here.
	* sim-base.h: To here.
	(sim-core.h, sim-events.h, sim-io.h): Include also
	
Wed Apr 30 15:37:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* callback.c (default_callback): Missing initialisers.

Thu May  1 10:40:47 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-utils.c (sim_add_commas): New function.
	* sim-basics.h (sim_add_commas): Add prototype.
	* cgen-scache.c (scache_print_profile): Print commas in numbers.
	* sim-profile.c (COMMAS): New macro.
	(print_*): Use it to print commas in numbers.

	* configure: Regenerated.

	* cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
	(cgen_state): New member run_fast_p.
	(cgen_init): Add prototype.
	(sim_disassemble_insn): New arg `cpu'.
	* cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
	* cgen-utils.c (cgen_init): New function.
	(sim_disassemble_insn): New arg `cpu'.  Rewrite fetching of insn.
	* genmloop.sh: Call engine_halt if loop exits.

	* Makefile.in (sim-options_h): Define.
	(sim-{module,options,trace,profile,utils}.o): Clean up dependencies.
	(sim-model.o): Add new rule.
	(cgen-{scache,trace,utils}.o): Add new rules.
	* aclocal.m4 (SIM_AC_OPTION_{SCACHE,DEFAULT_MODEL}): Add.
	* cgen-scache.c (scache_print_profile): Change `sd' arg to `cpu'.
	Indent output by 2 spaces.
	* cgen-scache.h (scache_print_profile): Update.
	* cgen-trace.c (trace_insn_fini): Indent output by 2 spaces.
	Use trace_printf, not fprintf.
	(trace_extract): Use trace_printf, not cgen_trace_printf.
	* genmloop.sh (!FAST case): Increment `insn_count'.
	* sim-base.h (sim_state_base): Only include scache_size if WITH_SCACHE.
	(sim_cpu_base): Rename member `sd' to `state' to be consistent with
	access macro's name.
	* sim-core.c (sim_core_init): Use EXTERN_SIM_CORE to define it.
	Change return type to SIM_RC.
	(sim_core_{install,uninstall}): New functions.
	* sim-core.h (sim_core_{install,uninstall}): Declare.
	(sim_core_init): Use EXTERN_SIM_CORE to define it.
	Change return type to SIM_RC.
	* sim-model.h (models,machs,model_install): Declare.
	* sim-module.c (modules): Add scache_install, model_install.
	(sim_post_argv_init): Set cpu->state backlinks.
	* sim-options.c (standard_options): Delete --simcache-size,--max-insns.
	(standard_option_handler): Likewise.
	* sim-profile.c (PROFILE_{HISTOGRAM,LABEL}_WIDTH): Move to
	sim-profile.h.
	(*): Assume ANSI C.
	(profile_options): Delete --profile-simcache.
	(profile_option_handler): Likewise.
	(profile_print_insn): Change `sd' arg to `cpu'.  Indent output 2
	spaces.
	(profile_print_{memory,model}): Likewise.
	(profile_print_simcache): Delete.
	(profile_print_speed): New function.
	(profile_print): Rewrite.
	* sim-profile.h (PROFILE_scache): Renamed from PROFILE_simcache.
	(WITH_PROFILE_SCACHE_P): Renamed from WITH_PROFILE_SIMCACHE_P.
	(PROFILE_DATA): Delete members simcache_{hits,misses}.
	(PROFILE_COUNT_SIMCACHE_{HIT,MISS}): Delete.
	(PROFILE_{CALLBACK,CPU_CALLBACK}): New types.
	(profile_print): Update prototype.

Wed Apr 30 11:34:14 1997  Doug Evans  <dje@canuck.cygnus.com>

	* cgen-scache.[ch], cgen-sim.h: New files.
	* cgen-trace.[ch], cgen-types.h, cgen-utils.c, genmloop.sh: New files.
	* sim-model.c: New file.

	* Make-common.in (clean targets): Undo patch of Apr. 22.

Fri Apr 25 15:28:32 1997  Mike Meissner  <meissner@cygnus.com>

	* sim-n-bits.h (signed): If we have a standard compiler, undef
	signed, so that signedN is defined correctly.

Thu Apr 24 00:00:07 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-module.h, sim-model.h, sim-profile.h: New files.
	* sim-module.c, sim-profile.c: New files.
	* Make-common.in (SIM_PROFILE): Define
	(CONFIG_CFLAGS): Add $(SIM_PROFILE).
	(sim_main_headers): Add sim-module.h, sim-model.h, sim-profile.h.
	(sim_module.o,sim-profile.o): Add rules for.
	* aclocal.m4 (--enable-sim-trace): Allow symbolic arguments.
	(--enable-sim-profile): Add.
	* configure: Regenerated.
	* sim-base.h (sim_state_base): New members init_list, uninstall_list,
	model.  Move trace and profile support to sim-{trace,profile}.h.
 	New members trace_data, profile_data.
	* sim-basics.h: #include sim-module.h, sim-model.h, sim-profile.h.
	* sim-config.h: Provide default definition of WITH_PROFILE.
	(WITH_TRACE): Change default to -1.
	(MAX_NR_PROCESSORS): Always define.
	* sim-options.c: Move trace and profile support to
	sim-{trace,profile}.h.
	(sim_pre_argv_init): Moved to sim-model.c.
	(standard_install): New function.
	* sim-options.h (sim_pre_argv_init): Move decl to sim-model.c.
	(standard_install): Declare.
	* sim-trace.c: Tracing option handling moved here from sim-options.c.
	(trace_install, trace_uninstall): New functions.
	(trace_printf): Update reference to TRACE_FILE.
	* sim-trace.h (TRACE_FOO_IDX): Moved here from sim-base.h.
	(TRACE_foo): Bit masks for symbolic arguments to --enable-sim-trace.
	(WITH_TRACE_FOO_P): Define.
	(trace_install): Declare.
	(TRACE_DATA): New struct.

Wed Apr 23 17:23:15 1997  Doug Evans  <dje@canuck.cygnus.com>

	* run.c: Undo last exec_bfd patch.
	(main): Only pass -E ifdef SIM_HAVE_BIENDIAN.

Wed Apr 23 17:54:27 1997  Mike Meissner  <meissner@cygnus.com>

	* run.c (exec_bfd): Add back in.
	(main): Set exec_bfd.

Tue Apr 22 14:43:46 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-load.c (sim_load_file): #include <stdio.h> for NULL.

Wed Apr 23 02:55:54 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-events.c (insert_sim_event): Call sim_io_error instead of
 	less well defined engine_error.
	* sim-core.c: Ditto.

Tue Apr 22 08:48:16 1997  Stu Grossman  (grossman@critters.cygnus.com)

	* Make-common.in:  Change clean targets to use :: so that other
	Makefiles can have their own clean targets.
	* sim-load.c (xprintf eprintf):  Use ANSI_PROTOTYPES instead of
	__STDC__ to control use of stdarg vs. varargs syntax.  Some
	systems can't use __STDC__, but require stdarg.

Fri Apr 18 11:14:43 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-options.c (standard_options): Add --endian.
	(standard_option_handler): Likewise.

	* nrun.c: #include <signal.h>.
 	(main, cntrl_c): Wrap calls to sim_resume in a SIGINT
 	handler that calls sim_stop ().

Fri Apr 18 13:11:36 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* run.c (main, cntrl_c): Wrap calls to sim_resume in a SIGINT
 	handler that calls sim_stop ().  Simulators may still be
 	establishing their own handler.

	* sim-events.c (sim_events_poll): Rename from
 	sim_events_at_large_int.  Poll IO.

	* sim-io.c (sim_io_poll_quit): New function - pass on a polling
 	request.

	* callback.c (os_poll_quit): New function poll for quit signal
	where needed.
	(default_callback): Include magic number.

Thu Apr 17 02:25:11 1997  Doug Evans  <dje@canuck.cygnus.com>

	* aclocal.m4: Check for headers time.h, sys/time.h, sys/resource.h.
	Check for functions getrusage, time.
	* sim-basics.h (SIM_ELAPSED_TIME): New typedef.
	(sim_elapsed_time_get, sim_elapsed_time_since): Add prototypes.
	* sim-utils.c: #include time.h, sys/time.h, sys/resource.h if able.
	(sim_elapsed_time_get, sim_elapsed_time_since): New functions.

	* sim-utils.c (sim_copy_argv, sim_analyze_program): New functions.

	* sim-options.c, sim-options.h: New files.
	* sim-config.h (WITH_DEBUG): Provide default value of zero.
	* Make-common.in (nrun.o): Add rules for.
	* nrun.c: New file.

	* run.c (main): Check return value of sim_open.

	* Make-common.in (sim-options.o, sim-load.o, sim-trace.o): Add rules.
	(sim_main_headers): Add sim-trace.h.
	* run.c (exec_bfd, target_byte_order): Delete.
	(main): Pass -E <endian> to sim_open.  Delete code to load sections,
	call sim_load instead.  Check return code of sim_create_inferior.
	* sim-base.h (CURRENT_STATE): Define.
	(sim_state_base): Make typedef.  New members options, prog_argv,
	prog_bfd, text_{section,start,end}, start_addr, simcache_size,
	mem_size, memory [+ corresponding access macros].
	(sim_cpu_base): New typedef.
	* sim-trace.h: New file.
	* sim-trace.c: New file.
	* sim-basics.h: #include it.
	* sim-load.c: New file.

Tue Apr 15 15:10:13 1997  Ian Lance Taylor  <ian@cygnus.com>

	* Make-common.in (INSTALL): Set to @INSTALL@.
	(INSTALL_XFORM, INSTALL_XFORM1): Remove.
	(install-common): Depend upon installdirs.  Use
	$(program_transform_name) directly, rather than using
	$(INSTALL_XFORM).
	(installdirs): New target.
	* Makefile.in (INSTALL): Set to @INSTALL@.
	(INSTALL_XFORM, INSTALL_XFORM1): Remove.
	(install-man): Depend upon installdirs.  Use
	$(program_transform_name) directly, rather than using
	$(INSTALL_XFORM).
	(installdirs): New target.

Tue Apr 15 15:08:12 1997  Andrew Cagney  <cagney@b1.cygnus.com>

	* sim-assert.h (SIM_ASSERT, ASSERT): Allow these macros to
	be overriden.

Wed Apr  9 16:06:44 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-basics.h: Only bring in config.h and tconfig.h if
 	HAVE_CONFIG_H.

Mon Apr  7 11:39:45 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-config.h (WITH_TARGET_WORD_MSB): New Macro. Define the bit
 	numbering convention of the target.
	* sim-config.c (print_sim_config): Print WITH_TARGET_WORD_BITSIZE
 	and WITH_TARGET_WORD_MSB.
	(sim_config): When possible, check for consistency with bitsize
 	and msb.

	* sim-bits.h: Allow MSB to be other than zero.
	* sim-bits.c: Ditto.
	* sim-n-bits.h: Ditto.
	
	* sim-bits.h (MSMASK*): New macros - converce to LSMASK*.
	* sim-n-bits.h (MSMASKEDn): Ditto.

Mon Apr 14 16:29:21 1997  Ian Lance Taylor  <ian@cygnus.com>

	* Makefile.in (INSTALL): Change install.sh to install-sh.

Mon Apr  7 10:46:38 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-base.h (sim_state_base): Move `magic' to end of struct.

Mon Apr  7 15:53:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* run.c (main): Check that a program to run was specified.

Mon Apr  7 15:45:02 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* aclocal.m4 (AC_TYPE_SIGNAL): Add check.

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* config.in: Ditto.

Wed Apr  2 15:06:28 1997  Doug Evans  <dje@canuck.cygnus.com>

	* sim-endian.h: Move host {LITTLE,BIG}_ENDIAN support from here,
	* sim-config.h: To here.

	* Make-common.in (SIM_EXTRA_DEPS): New config var.
	(sim_main_headers): Define.
	(sim-*.o): Depend on $(SIM_EXTRA_DEPS).
	(clean): Use it.
	(sim-utils.o): Add rule for.
	* sim-utils.o: New file.
	* sim-basics.h: #include sim-base.h.
	(zalloc): Make argument unsigned long.
	* sim-base.h: New file.
	* sim-inline.h (SIM_IO support): Delete.
	* sim-io.h: Delete inline support.
	* sim-io.c: Likewise.  sim-state.h renamed to sim-main.h.
	* sim-config.c: sim-state.h renamed to sim-main.h.
	* sim-core.c: Likewise.
	* sim-events.c: Likewise.

	* run.c (main): Pass SIM_OPEN_STANDALONE to sim_open.

	* aclocal.m4: Check for stdlib.h, string.h, strings.h, unistd.h.
	(sim-debug): Allow arguments.  Define WITH_DEBUG in addition to
	-DDEBUG.
	* 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 Apr  2 11:08:11 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-config.h (WITH_ALIGNMENT, WITH_FLOATING_POINT,
 	WITH_XOR_ENDIAN, WITH_SMP, WITH_RESERVED_BITS): Assume that these
 	are defined by the configure.

	* aclocal.m4 (sim-stdio): Add option stdio from ../ppc configure.
	
	* aclocal.m4 (floating-point, xor-endian, alignment, smp,
 	reserved-bits): Always define.
	
	* sim-config.h, sim-config.c (sim_config): New function - and new
 	file - co-ordinate the setting/checking of the common simulator
 	configuration options.

	* Make-common.in (sim-config.o): Add rule.

Fri Mar 28 15:32:00 1997  Mike Meissner  <meissner@cygnus.com>

	* callback.c (os_{,e}vprintf_filtered): Change stdarg type to
	va_list from void *, since va_list might not be a pointer type.

Mon Mar 24 15:27:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-n-endian.h (offset_N): Correct assertion - word and sub word
 	in wrong order.
	(offset_N): Correct computation of LE offset.

	* sim-io.c (sim_io_error): Include a new line when reporting
 	errors.

	* sim-assert.h (SIM_FILTER_PATH): Out by one when locating last
 	`/'.

Thu Mar 20 22:31:06 1997  Jeffrey A Law  (law@cygnus.com)

	* run.c: Include alloca-conf.h.

	* callback.c (os_evprintf_filtered): Fix typo.

Fri Mar 21 13:36:20 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* run.c (string.h, strings.h, stdlib.h): Include.

	* sim-events.c (sim_events_tick): Recent cleanup failed to return
 	0 when nothing pending.

	* run.c (sim_size, sim_trace): Plicate GCC - these two functions
 	will soon be going away.
	(getopt): Plicate GCC.

	* sim-endian.c (sim-io.h): Plicate GCC.
	* sim-bits.c (sim-io.h): Ditto.
	* sim-n-bits.h (ROTn): Ditto.

	* sim-io.c (sim_io_error): Correct check for NULL.

	* sim-assert.h (SIM_FILTER_PATH): Separate out the code filtering
 	the __FILE__.
	* sim-events.c: Use SIM_FILTER_PATH to filter out the filename
 	path.

Wed Mar 19 01:12:06 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* aclocal.m4 (SIM_AC_OPTION_*: Move so that they are outside of
 	SIM_AC_COMMON - SIM_AC_COMMON was gobling arguments.

Tue Mar 18 20:48:12 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-alu.h: Include sim-xcat.h.
	
Tue Mar 18 13:58:18 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* Make-common.in (sim-bits.c, sim-core.c, sim-endian.c,
 	sim-events.c, sim-inline.c, sim-io.c): Define rules for building
 	these.

	* sim-events.c (sim_events_at_large_int): New function.  Just
 	schedules an event every large-int ticks.
	(sim_events_init): Call.
	(sim_events_tick, sim_events_process): Move async handing to
 	sim_events_process.  Move timer decrement so that it occures after
 	events have been processed.
	
	* sim-basics.h (struct _engine): Remove declaration.

	* sim-events.h, sim-events.c: Rename type to sim_events.  Prefix
 	everything with same.  Rename global struct to SIM_DESC.
	* sim-core.h, sim-core.c, sim-n-core.c: Ditto for sim_core.
	* sim-io.h, sim-io.c: Ditto.
	
	* sim-assert.h: New file. Optional assertion checking macros.
	* sim-io.c (sim_io_error): Make just this function tolerant to
 	null pointers.
	
	* sim-xcat.h: New file. Define concatenate macros.
	* sim-basics.h (XCONCAT*): Move to sim-xcat.h.
	* sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Explicitly include
 	concat macros.
	

Tue Mar 18 12:44:55 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-bits.h (LSMASK): New macro. Create mask of LS bits.

Mon Mar 17 18:10:05 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-inline.h: Add definitions for sim-types.
	(ALL_BY_MODULE): New macro, encapsulate full inlining by the
 	module.

Mon Mar 17 15:38:27 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
	
	* sim-events.h: Remove defunct reference to callback struct.

Mon Mar 17 15:10:07 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* configure: Re-generate.

Mon Mar 17 15:04:47 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* Make-common.in (CSEARCH): Do not include the gdb directory in
 	the search path.

Mon Mar 17 13:16:26 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
 	SIM_WARNING): Drop, requiring the simulator specific Makefile.in
 	to explicitly incorporate these.

	* aclocal.m4 (--enable-sim-alignment); New option. Strongly
 	specify the alignment restrictions of the target architecture -
 	without this option all alignment restrictions are accomodated.
 	(--enable-sim-assert): New option.  Conditionally compile in
 	assertion statements.
	(--enable-sim-float): New option. Strongly specify the target's
 	floating point support.
	(--enable-sim-hardware): New option.  Specify the hardware devices
 	included in the simulation.
	(--enable-sim-packages): New option.  Specify the hardware
 	packages included in the simulation.
	(--enable-sim-regparm): New option.  Specify that parameters be
 	passed in registers instead of on the stack.
	(--enable-sim-reserved-bits): New option. Specify that reserved
 	bits within an instruction are are correctly set.
	(--enable-sim-smp): New option. Specify the level of SMP support
 	to be included in the simulator.
	(--enable-sim-stdcall): New option.  Specify an alternative
 	function call convention.
	(--enable-sim-xor-endian): New option.  Configure xor-endian
 	support used by some targets to implement bi-endian support.
	
Fri Mar 14 19:51:21 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* aclocal.m4 (--enable-sim-hostendian): New option.  Allow the
 	host endianness to be overridden.
	(--enable-sim-endian): Allow the target platform's byte order
	to be overridden.
	(--enable-sim-inline): Control the inlining of common components.
	(--enable-sim-bswap): For compatibility, also define WITH_BSWAP.
	(--enable-sim-warnings): Enable additional GCC compiler checks.
	* Make-common.in (SIM_ENDIAN, SIM_HOSTENDIAN, SIM_INLINE,
	SIM_WARNINGS): Add.
	
	* sim-n-core.h, sim-n-bits.h, sim-n-endian.h: Rename from
 	sim-*-n.h so that the names are uniq on dos machines
	* sim-core.c, sim-bits.c, sim-endian.c: Update.
	
Thu Mar 13 12:32:42 1997  Doug Evans  <dje@canuck.cygnus.com>

	* run.c: #include "libiberty.h".
	(main): New locals sd,no_args,sim_argv.
	Run buildargv on -a option.  Pass argv to sim_open, argv[0]
	is program name.  Update call to sim_set_callbacks.
	Record result of sim_open, pass to other sim_foo routines.

Thu Mar 13 10:24:05 1997  Michael Meissner  <meissner@cygnus.com>

	* callback.c (os_printf_filtered): Do not call exit(1) or print a
	final newline.

Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* callback.c: Add os_flush_stdout and vprintf_filtered callbacks.
  	Route stdout through buffered IO.

	* callback.c: Add os_flush_stderr, os_write_stderr,
 	os_evprintf_filtered functions to route error output through
 	stderr.
	
	* sim-io.h, sim-io.c (sim_io_flush_stderr, sim_io_flush_stdout):
 	Correct return type - should be void.

Fri Mar  7 20:14:37 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-basics.h: Clean up.  Many macro's moved to sim-inline.h.

	* sim-config.h: Ditto.  For some options - eg WITH_DEVICES - do
 	not provide a default value as undefined indicates disable code.

Thu Mar  6 15:50:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-core.h, sim-core-n.h, sim-core.c: Borrow code from ppc
 	directory.
	* sim-events.h, sim-events.c: Ditto.
	* sim-io.h, sim-io.c: Ditto.
	
Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
	
	* sim-alu.h (ALU_SUB_CA, ALU*_SUB_CA): New alu operation.

	* sim-bits.h, sim-bits-n.h, sim-bits.c (LSMASKED*): New macro's
 	extract the tail or least signifiant bits from an integer of the
 	specified size.
	
	* sim-bits.h, sim-bits.c: Clean up conditionally compiled #if
 	WITH_TARGET_BITSIZE so that the compilation will fail when an
 	unsupported bitsize value is defined.

	(INSERTED*): Convert to functions.
	(EXTRACTED*): Ditto.
	
	(SIGN_EXTEND, SEXT): Change to more terse name.
	
Tue Mar  4 09:35:56 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-inline.h: Allow explicit control over which .c files will be
 	included by their header.

	* sim-inline.h: Allow explicit control over which .c files use the
 	alternative - REGPARM - parameter passing mechanism.
	
	* sim-inline.h, sim-inline.c: Don't attempt to include any of
 	icache.c, idecode.c, semantics.c or support.c.  Those names are
 	not generally applicable.
	
Thu Feb 27 10:17:23 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-bits.c, sim-bits-n.h (new): Split sim-bits.c into two parts
 	in a fashion similar to sim-endian-n.

	* sim-endian.h: (H_word, L_word, AL_*, VL_*): Extend to include
 	both value and address macro's.

Tue Feb 25 18:51:57 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>

	* sim-alu.h (ALU16_BEGIN, ALU16_SET, ...): Fill in.

	* sim-endian.h (L_word, H_word): Replace MS2W_4, LS2W_4 with more
 	generic L_word, H_word macro's.

Thu Feb 20 18:36:55 1997  Andrew Cagney  <cagney@critters.cygnus.com>

	* sim-basics.h: Borrow code from ppc directory.
	* sim-bits.c: Ditto.
	* sim-bits.h: Ditto.
	* sim-config.h: Ditto.
	* sim-endian-n.h: Ditto.
	* sim-endian.c: Ditto.
	* sim-endian.h: Ditto.
	* sim-inline.c: Ditto.
	* sim-inline.h: Ditto.
	* sim-types.h: Ditto.

Wed Feb 19 12:40:50 1997  Andrew Cagney  <cagney@critters.cygnus.com>

	* sim-alu.h (ALU_SET16, ALU_SET32, ALU_SET64, etc): Make available
 	all the ALU size alternatives and then auto-configure a default.
	
	* sim-alu.h: Copy ppc/idecode_expression.h.

Mon Feb 17 10:44:18 1997  Andrew Cagney  <cagney@critters.cygnus.com>

	* bits.h, bits.c (SIGN_EXTEND32, SIGN_EXTEND64): New functions,
 	sign extend a bit within a value.

	* sim-endian.h, sim-endian-n.h (offset_N): New functions - return
 	a pointer into the middle of a host word.
	* sim-endian.h (MS2W_4, LS2W_4): Use this function.
	
Tue Feb 11 13:46:49 1997  Michael Meissner  <meissner@tiktok.cygnus.com>

	* callback.c: If HAVE_CONFIG_H is defined, include config.h from
	autoconf.  If HAVE_UNISTD_H is defined, include unistd.h to get
	appropriate definitions of read, write, etc.  Add prototype for
	system.

Tue Feb  4 13:24:44 1997  Doug Evans  <dje@canuck.cygnus.com>

	* Makefile.in (libcommon.a): Delete.
	(callback.o,targ-map.o): Delete, moved to Make-common.in.
	(gentmap,targ-vals.h,targ-map.c): Likewise.
	(run-autoconf): Delete.
	* aclocal.m4 (SIM_AC_OUTPUT): Redo creation of Makefile.
	(common makefile fragment): Moved back into ...
	* Make-common.in: Resurrect.
	* configure.in (AC_LINK_FILES): Delete, unnecessary now.
	* configure: Regenerated.

Fri Jan 31 07:16:49 1997  Doug Evans  <dje@canuck.cygnus.com>

	* aclocal.m4 (SIM_AC_COMMON): Move COMMON_MAKEFILE_FRAG from here.
	(SIM_AC_OUTPUT): To here.

Fri Jan 24 10:37:17 1997  Stu Grossman  (grossman@critters.cygnus.com)

	* aclocal.m4 (COMMON_MAKEFILE_FRAG):  Quote a couple of $'s in
	comments and single quotes.  Fixes a problem found on hpux.

Thu Jan 23 13:35:03 1997  Stu Grossman  (grossman@critters.cygnus.com)

	* aclocal.m4:  Remove Make-common.in from dependencies.
	* (distclean):  Remove targ-vals.def.

	* aclocal.m4 (SIM_AC_COMMON):  Move contents of Make-common.in
	into here.  Makes insertion into makefiles easier.  Also, change
	the way that callback.o, gentmap, targ-vals.h, targ-map.c,
	targ-map.o, and run are built.  They are now built in the
	individual simulator directories, taking sources from ../common as
	necessary.  This replaces the merging of libcommon.a into
	linsim.a, which was problematic for the WinGDB build process.
	* run.c:  Include config.h from . instead of ../common.
	* Make-common.in:  Remove.  It's no longer necessary.

Mon Dec 16 15:02:33 1996  Ian Lance Taylor  <ian@cygnus.com>

	* Make-common.in (ALL_CLAGS): Put CFLAGS at the end.
	(.c.o): Put $(ALL_CFLAGS) before the file being compiled.

Wed Dec 11 11:30:58 1996  Jim Wilson  <wilson@cygnus.com>

	* run.c (main): Set target_byte_order before call to sim_open.

Sun Dec  8 18:22:06 1996  Doug Evans  <dje@canuck.cygnus.com>

	* callback.c: #include <stdlib.h>
	(os_error): New function.
	(default_callback): Add os_error.

Mon Nov 25 19:44:35 1996  Doug Evans  <dje@canuck.cygnus.com>

	* Make-common.in (Makefile): Set CONFIG_HEADERS="".
	* aclocal.m4: Mark the fact that --enable-sim-bswap isn't host
	specific.
	(SIM_AC_OUTPUT): Don't build Makefile if CONFIG_FILES="".

Wed Nov 20 01:11:04 1996  Doug Evans  <dje@canuck.cygnus.com>

	* run.c: #include ../common/config.h, tconfig.h.
	(myname): New static global.
	(main): Recognize new options -a, -c.  Also recognize -h if h8/300.
	Only process -c ifdef SIM_HAVE_SIMCACHE.
	Only process -p/-s ifdef SIM_HAVE_PROFILE.
	Parse program name from argv[0] and use in error messages.
	Pass sim_args to sim_open.  Pass prog_args to sim_create_inferior.
	Add support for incomplete h8/300 termination indicators.
	(usage): Make more verbose.
	* aclocal.m4,config.in,tconfig.in,configure.in,configure: New files.
	* Makefile.in,Make-common.in,callback.c: New files.
	* nltvals.def,gentmap.c,gentvals.sh: New files.

Tue Nov 12 13:34:00 1996  Dawn Perchik  <dawn@cygnus.com>   

	* run.c: Include stdarg.h if __STDC__.

Tue Oct 15 11:16:31 1996  Jeffrey A Law  (law@cygnus.com)

	* run.c (main): Don't print out anything if the signal
	number is zero (ie no signal).

Tue Oct 15 11:20:44 1996  Michael Meissner  <meissner@tiktok.cygnus.com>

	* run.c (main): Print out if the program raised a signal.

Wed Sep 18 09:52:14 1996  Michael Meissner  <meissner@tiktok.cygnus.com>

	* run.c (exec_bfd): Rename from sim_bfd, to use the gdb name.
	(main): Ditto.

Tue Sep 17 11:04:50 1996  James G. Smith  <jsmith@cygnus.co.uk>

	* run.c (main): Explicitly cast malloc() parameter.

Thu Sep 12 11:27:21 1996  Michael Meissner  <meissner@tiktok.cygnus.com>

	* run.c (sim_bfd): New global to hold the bfd pointer for the
	executable.
	(main): Initialize sim_bfd.

Fri Dec 15 16:27:49 1995  Ian Lance Taylor  <ian@cygnus.com>

	* run.c (main): Use new bfd_big_endian macro.

Wed Nov  8 15:49:49 1995  James G. Smith  <jsmith@pasanda.cygnus.co.uk>

	* run.c (main): Removed SH specific comments, so source is
 	generic. Also updated to only load relevant sections. Moved
 	sim_open() to after callback attach (to match GDB).

  	* run.1: Removed SH specific comments.

Sat Oct 21 12:31:01 1995  Jim Wilson  <wilson@chestnut.cygnus.com>

	* run.c (main): Always return sigrc at end.

Tue Oct 10 12:03:13 1995  J.T. Conklin  <jtc@rtl.cygnus.com>

	* run.c (main): Print error diagnostic and exit if bfd_openr() or
	bfd_check_format() fails.

Thu Sep 28 15:40:36 1995  steve chamberlain  <sac@slash.cygnus.com>

	* run.c, run.1: From sh directory.
