Get the BIT/MASK/ROT/... macros to work with any 32/64/MSB0/MSBn target.

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

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.