changelog

这个是LINUX下的GDB调度工具的源码

	(sim_engine_run): To this. Simplify - most moved to common.

	* sim-calls.c (sim_stop_reason, sim_resume, sim_stop):
 	Delete. Replaced by common code.

	* engine.c (engine_error, engine_restart, engine_halt): Ditto.
	
	* sim-main.h (SIM_ENGINE_RESTART_HOOK, SIM_ENGINE_HALT_HOOK):
 	Define as NOPs.

Mon May  5 23:05:41 1997  Andrew Cagney  <[e-mail]>

	* alu.h (IMEM, MEM, STORE): Update to reflect changes to core in
 	../common.
	* sim-calls.c (sim_open): Ditto.

	* alu.h, cpu.h, cpu.c, d30v-insn, dc-short: Clean up copyright
 	notice.

Fri May  2 12:01:38 1997  Andrew Cagney  <[e-mail]>

	* sim-calls.c (sim-options.h, sim-utils.h): Include.
	* Makefile.in (sim-calls.o): Add dependencies.

	* d30v-insns (address_word): Remove cia argument from support
 	functions, igen now does this automatically.

	* Makefile.in (tmp-igen): Include line number information in
 	generated files.

	* sim-main.h (SIM_DESC): Remove sim_events and sim_core, moved to
 	simulator base type sim_state_base.
	(sim-core.h, sim-events.h, sim-io.h): Replace with #include
	"sim-base.h".

	* sim-main.h (sim_state): Track recomendations in common
 	directory.
  	* cpu.h (sim_cpu): Ditto.
  	* engine.c (do_2_short, do_parallel): Ditto.
	* cpu.h (GPR): Ditto.
	* alu.h (MEM, IMEM, STORE): Ditto.
	* cpu.c (is_wrong_slot): Ditto.
	* ic-d30v (Aa, Ab): Ditto.

Thu Apr 24 00:39:51 1997  Doug Evans  <[e-mail]>

	* configure: Regenerated to track ../common/aclocal.m4 changes.
	* Makefile.in (SIM_OBJS): Add sim-module.o, sim-profile.o.
	* sim-calls.c (sim_open): Call sim_module_uninstall if argument
	parsing fails.  Call sim_post_argv_init.
	(sim_close): Call sim_module_uninstall.

Fri Apr 18 13:44:48 1997  Andrew Cagney  <[e-mail]>

	* sim-calls.c (sim_stop): New function.

Thu Apr 17 02:57:55 1997  Doug Evans  <[e-mail]>

	* Makefile.in (SIM_OBJS): Add sim-load.o, sim-options.o, sim-trace.o.
	(SIM_EXTRA_{LIBS,LIBDEPS,ALL,INSTALL}): Delete.
	(SIM_RUN_OBJS): Change from run.o to nrun.o.
	* cpu.h (sim_cpu): New member base.  Delete members trace, sd.
	(cpu_traces): Delete.
	* engine.c (engine_init): Set backlink from cpu to state.
	* sim-calls.c: #include bfd.h.
	(sim_open): Set STATE_OPEN_KIND.  Call sim_pre_argv_init,
	sim_parse_args.
	(sim_load): Return SIM_RC.  New arg abfd.
	Call sim_load_file to load file into simulator.
	(sim_create_inferior): Return SIM_RC.  Delete arg start_address.
	(sim_trace): Delete.
	* sim-main.h (struct sim_state): sim_state_base is typedef now.
	(STATE_CPU): Define.

Mon Apr  7 15:45:02 1997  Andrew Cagney  <[e-mail]>

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

Wed Apr  2 15:06:28 1997  Doug Evans  <[e-mail]>

	* Makefile.in (SIM_EXTRA_DEPS): Define.
	(SIM_OBJS): Add sim-utils.o.
	(SIM_GEN): Delete tmp-common.
	(SIM_EXTRA_CLEAN): Delete clean-common.
	(BUILT_SRC_FROM_COMMON): Moved to ../common/Make-common.in.
	(tmp-common,clean-common): Delete.
	(ENGINE_H): sim-state.h renamed to sim-main.h.
	(clean-igen): Delete tmp-insns.

	* cpu.c: sim-state.h renamed to sim-main.h.
	* engine.c: Likewise.
	* sim-calls.c: Likewise.
	(zalloc,zfree): Moved to ../common/sim-utils.c.
	* sim-main.h: Renamed from sim-state.h.

	* sim-calls.c (sim_open): New arg `kind'.

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

Wed Apr  2 14:34:19 1997 Andrew Cagney <[e-mail]>

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

Wed Apr  2 11:13:15 1997  Andrew Cagney  <[e-mail]>

	* Makefile.in (SIM_OBJS): Link in the recently added sim-config.o

	* engine.c (current_target_byte_order, current_host_byte_order,
 	current_environment, current_alignment, current_floating_point,
 	current_model_issue, current_stdio): Delete, moved to
 	../common/sim-config.c

Mon Mar 24 14:50:30 1997  Andrew Cagney  <[e-mail]>

	* d30v-insns (do_ldw): Load 4 bytes not 2.
	(do_incr, LD*, ST*): Increment register not its value.

Mon Mar 24 09:59:53 1997  Andrew Cagney  <[e-mail]>

	* cpu.c (is_wrong_slot): Ditto.
	(is_condition_ok): Ditto.

	* sim-calls.c (sim_trace): Ditto.

	* engine.c (engine_init): Ditto.
	(do_2_short): Ditto.
	(engine_run_until_stop): Ditto.

	* d30v-insns (void): Update. For functions, remove `SIM_DESC sd'
 	and `cpu *processor' arguments as igen now handles this.

	* cpu.h: Rename struct _cpu to struct _sim_cpu. Rename variable
 	processor to cpu.

	* sim-state.h: Update.

Fri Mar 21 12:52:12 1997  Andrew Cagney  <[e-mail]>

	* d30v-insns (do_sat): Correct calculation of saturate lower
 	bound.
	(do_sath): Ditto.
	(do_satzh, do_satz): Arguments should be signed.
	
	* sim-calls.c (zalloc): Use malloc() instead of xmalloc() for
 	moment.
	(filter_filename): Drop.

	* cpu.h (is_wrong_slot): Correct declaration name - was
 	is_valid_slot.

	* engine.c (do_parallel): Plicate GCC.
	(engine_error): Ditto.
	(engine_run_until_stop): Ditto.
	* cpu.c (is_wrong_slot): Ditto.
	(is_condition_ok): Ditto.
	* sim-calls.c (sim_size): Ditto.
	(sim_read): Ditto.
	(sim_trace): Ditto.
	
	* engine.h, engine.c (engine_create): Add missing prototype to
 	header file.  Clean up missing variables.

	* configure.in (unistd.h, string.h, strings.h): Configure in.
	* configure, config.in: Rebuild.

Thu Mar 20 19:40:20 1997  Andrew Cagney  <[e-mail]>

	* d30v-insns (void): Provide a second emul instruction using a
 	branch prefix.

Tue Mar 18 20:51:42 1997  Andrew Cagney  <[e-mail]>

	* d30v-insn (do_sat*): Pass all necessary args.
	
Tue Mar 18 18:49:10 1997  Andrew Cagney  <[e-mail]>

	* d30v-insns (SAT*): Issue warning when bit overflow.
	(EMUL): Exit with GPR[2] not 2.

Tue Mar 18 14:24:09 1997  Andrew Cagney  <[e-mail]>

	* sim-state.h: New file rename engine.h.
	(sim_state): Rename engine strut to sim_state, rename events and
 	core members.
	
	* engine.c: Update.
	* cpu.h, cpu.c: Ditto.
	* alu.h: Ditto.
	* d30v-insns: Ditto.
	* sim-calls.c: Ditto.

	* Makefile.in (sim-*.c): Moved to ../common.

Tue Mar 18 10:39:07 1997  Andrew Cagney  <[e-mail]>

	* d30v-insns (do_mac): Adding wrong register.
	(do_macs): Ditto.
	(do_msub): Ditto.
	(do_msubs): Ditto.

	* ic-d30v: Put back definitions of RaH, RaL, et.al.
	(do_sra2h, do_srah): Use.
	(do_srl2h, do_srlh): Use.
	
	* d30v-insns (SAT, SAT2H, SATp, SATZ): Implement saturate.

Tue Mar 18 03:01:25 1997  Andrew Cagney  <[e-mail]>

	* d30v-insns: Specify wild insted of reserved bits.
	(void): 

Mon Mar 17 15:10:07 1997  Andrew Cagney  <[e-mail]>

	* configure: Re-generate.

Mon Mar 17 14:35:37 1997  Andrew Cagney  <[e-mail]>

	* Makefile.in (SIM_EXTRA_CFLAGS), configure.in: Include SIM_*
 	options. Allow RESERVED_BITS to be configured.
	* configure: Re-generate.
	
	* Makefile.in (sim-*.h): Drop, not needed.
	(sim-*.c): Make each explicit so that they automatically update.

Sat Mar 15 02:34:30 1997  Andrew Cagney  <[e-mail]>

	* ic-d30v (imm long): Incorrect calculation.

	* d30v-insns (EMUL): Finish exit, write-string emul-call.

	* sim-calls.c (sim_trace): Have sim-trace enable basic instruction
 	tracing.

Sat Mar 15 02:10:31 1997  Andrew Cagney  <[e-mail]>

	* configure.in: Enable common options - endian, inline and
 	warnings.
	* configure: Regenerate.
	
Fri Mar 14 16:11:50 1997  Andrew Cagney  <[e-mail]>

	* Makefile.in (cpu.o): Update dependencies.
	* cpu.c (is_condition_ok): Update PSW bit manipulations.

Fri Mar 14 12:49:20 1997  Andrew Cagney  <[e-mail]>

	* configure.in: Autoconfig m4
	* configure: Regenerate.

	* Makefile.in: Use m4 to preprocess d30v-insns.
	* d30v-insn: Adjust.

Thu Mar 13 12:44:54 1997  Doug Evans  <[e-mail]>

	* sim-calls.c (sim_open): New SIM_DESC result.  Argument is now
	in argv form.
	(other sim_*): New SIM_DESC argument.

Wed Mar 12 19:05:45 1997  Andrew Cagney  <[e-mail]>

	* sim-calls.c (sim_open): Create all the d30v RAM blocks.

	* engine.c (engine_run_until_stop): Handle delayed subroutine
 	call.
	* d30v-insn: Ditto.
	
	* ic-d30v: For Rb and Rc always return the value and not the
 	equation.
	* d30v-insn: Use.
	
	* ic-d30v (val_Ra): Returns 0 or RA.
	* d30v-insn: Use.
	
	* d30v-insn (make_even_reg, get_even_reg): New functions. Force
 	the register index to be even, issusing a warning if it was not.
	(LD*, ST*): Use.
	
Wed Mar 12 14:57:26 1997  Andrew Cagney  <[e-mail]>

	* d30v-insns (do_trap): Implement TRAP instruction.

	* alu.h (PSW_F, PSW_FLAG_VAL, PSW_FLAG_SET): New macro, map flag
 	onto PSW bit.
	* ic-d30v: Drop F* expressions.
	* d30v-insn: Use more explicit PSW_FLAG_ ops.
	* cpu.h (PSW_*): Redo PSW bit values.
	* alu.h (ALU*_END): Update. Fix setting of overflow - logic was
 	backwards.
	
	* d30v-insn (MVFSYS, MVTSYS): Implement.
	* cpu.h (PSWH, PSWL): New macros for high, low word of PSW.
	
Wed Mar 12 14:12:11 1997  Andrew Cagney  <[e-mail]>

	* cpu.h (RPT_IS_CALL): New macro for processor field
 	is_delayed_call.  That in turn used as a flag to indicate if a
 	delayed branch or delayed call is to occure.
	* d30v-insns (do_dbra): Set/clear RPT_IS_CALL;
	(do_dbrai): Ditto.
	(do_dbsr): Ditto.
	(do_dbsr): Ditto.
	(do_djmp): Ditto.
	(do_djmpi): Dotto.
	(do_djsr): Ditto.
	(do_djsri): Ditto.
	(void): 

	* d30v-insn (do_incr): Finish - handle modulo registers.
	
	* d30v-insns (CMPU): Include all possible compare
 	operations. Issue a warning where op defined by the processor
 	spec.
	
Wed Mar 12 13:55:55 1997  Andrew Cagney  <[e-mail]>

	* d30v-insns: Add a new instruction class _EMUL and a new
 	instruction EMUL that emulates a few basic IO operations.

	* Makefile.in (tmp-igen): Filter in emul instructions.

Fri Mar  7 20:32:13 1997  Andrew Cagney  <[e-mail]>

	* d30v-insns (void): Fill in the gaps.

Wed Feb 26 09:31:10 1997  Andrew Cagney  <[e-mail]>

	* Makefile.in (tmp-igen): Include ic-d30v in dependencies.

	* ic-d30v (cache): Update to use H_word, L_word added to
 	sim-endian.h.

Tue Feb 25 15:26:51 1997  Andrew Cagney  <[e-mail]>

	* Makefile.in (tmp-igen): Correctly run $(MAKE).

Thu Feb 20 20:30:31 1997  Andrew Cagney  <[e-mail]>

	* Makefile.in (FROM_IGEN, FROM_COMMON): Make the igen generated
 	files dependant on tmp-igen. Define ENGINE_H.
	
Sun Feb 16 16:42:48 1997  Andrew Cagney  <[e-mail]>

	* configure.in: New file - follow Doug Evans instructions.
	* Makefile.in: Ditto.