[deliverable/binutils-gdb.git] / sim / common / ChangeLog

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

	* sim-fpu.h, sim-fpu.c (sim_fpu_[iu]{32,64}to): New integer
 	conversion 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).
	(BUILT_SRC_FROM_COMMON): Move here from ../d30v/Makefile.in.
	(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.