changelog

这个是LINUX下的GDB调度工具的源码

	* cgen-scache.h (WITH_SCACHE): Define as 0 if not defined.
	* cgen-trace.c (current_abuf): New static global.
	(trace_insn_init): Initialize it.
	(trace_insn_fini): Use it.
	(trace_insn): Set it.
	* cgen.sh (arch case): Pass -m ${mach} to cgen.
	* genmloop.sh (@cpu@_emit_before): Only define if WITH_SCACHE_PBB.
	(@cpu@_emit_after): Ditto.
	(simple @cpu@_engine_run_full): New local `pc'.  Initialize semantic
	labels if WITH_SEM_SWITCH_FULL.
	* sim-model.c: Include bfd.h.
	(sim_model_init): New function.
	(sim_model_install): Record init fn.
	* sim-model.h (MACH): New member bfd_name.
	* sim-module.c (modules): Initialize model before scache.

1998-12-24  Frank Ch. Eigler  <[e-mail]>

	* dv-sockser.c (DEFAULT_TIMEOUT): Increase to 1 ms.
	
	* nrun.c (main): Remain in simulation loop for traps and
 	exceptions when in operating environment mode.
	(ui_loop_hook): New stub hook for standalone use.
	* sim-events.c (sim_events_process): Call ui_loop_hook
	periodically on CYGWIN host.

	* sim-reason.c (sim_stop_reason): Return host signal numbers
	to gdb on sim_stopped and sim_signalled cases.
	* 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.

	* sim-n-core.h (sim_core_trace_M): Allay const warning.
	* sim-trace.h (trace_generic): Ditto.
	* sim-trace.c (trace_generic): Ditto.
	
1998-12-14  Doug Evans  <[e-mail]>

	* Make-common.in (SIM_MAIN_DEPS): New var.
	(CGEN_MAIN_CPU_DEPS): New var.
	* aclocal.m4: Add --enable-cgen-maint option.
	* cgen-mem.h (GETMEM*): New arg `pc'.  Pass to sim_core routine.
	(SETMEM*): Ditto.
	(GETIMEM*): Pass pc value to sim_core routine.

Fri Dec 11 16:58:36 1998  Andrew Cagney  <[e-mail]>

	* hw-handles.c (hw_handle_add_ihandle, hw_handle_add_phandle):
 	Compare with ZERO not NULL.

Thu Dec 10 14:14:39 1998  Andrew Cagney  <[e-mail]>

	* hw-properties.c, hw-instances.c, hw-tree.c: Include
 	"sim-assert.h".

1998-12-09  Doug Evans  <[e-mail]>

	* sim-arange.c: Include libiberty.h, and stdlib.h if present.
	* sim-trace.c: Include stdlib.h if present.
	* dv-sockser.c: Include unistd.h if present.
	(dv_sockser_init): Add missing arg to call to sim_io_eprintf.
	* cgen-scache.c (scache_flush): Delete unused locals i,sc.

1998-12-08  James E Wilson  <[e-mail]>

	* gennltvals.sh: Add i960.
	* nltvals.def: Rebuild.

1998-12-04  Doug Evans  <[e-mail]>

	* cgen-defs.h: New file, old cgen-sim.h.
	* cgen-sim.h: Simple header that includes others.
	* sim-arange.c: New file.
	* sim-arange.h: New file.
	* sim-basics.h: Include it.
	* Make-common.in (SIM_NEW_COMMON_OBJS): Add sim-arange.o.
	(sim-arange.o): Add rule for.
	* sim-cpu.h (sim_cpu_msg_prefix): Add prototype.
	(sim_io_eprintf_cpu): Add prototype.
	* sim-inline.h (HAVE_INLINE): Define if GNUC.
	(INLINE2): New macro.
	(EXTERN_INLINE): New macro.
	* sim-module.c (sim_post_argv_init): Initialize cpu backlink
	before calling module init fns.
	* sim-profile.c (OPTION_PROFILE_*): Move into enum.
	(profile_init): New function.
	(profile_options): New option --profile-range.
	(profile_option_handler): Handle --profile-range.
	(profile_print_insn): Qualify address range specific section titles.
	(profile_print_addr_ranges): New function.
	(profile_info): Print address ranges if specified.
	(profile_install): Set profile_init init fn.
	* sim-profile.h (PROFILE_DATA): New member `range'.
	* sim-trace.c (trace_init): New function.
	(trace_options): New option --trace-range.
	(trace_option_handler): Handle --trace-range.
	(trace_install): Set trace_init init fn.
	* sim-trace.h (TRACE_DATA): New member `range'.
	* sim-utils.c (sim_cpu_msg_prefix): New function.
	(sim_io_eprintf_cpu): New function.
	* cgen-engine.h (PC_IN_TRACE_RANGE_P): New macro.
	(PC_IN_PROFILE_RANGE_P): New macro.
	* cgen-trace.c (trace_insn_init): Set current_insn to NULL.
	(trace_insn_fini): New arg abuf.  All callers updated.
	Exit early if trace_insn not called.  Check ARGBUF_PROFILE_P before
	printing cycle counts.
	* cgen-trace.h (trace_insn_fini): Update prototype.
	(TRACE_RESULT_P): New macro.
	(TRACE_INSN_INIT,TRACE_INSN_FINI): New arg abuf.  All callers updated.
	(TRACE_INSN): Check ARGBUF_TRACE_P.
	(TRACE_EXTRACT,TRACE_RESULT): New arg abuf.  All callers updated.
	* cgen-types.h (SIM_INLINE): Delete.
	(SIM_HAVE_MODEL,SIM_HAVE_ADDR_RANGE): Define.
	* cgen-utils.c: Don't include cgen-engine.h
	* genmloop.sh (@cpu@_fill_argbuf): New function.
	(@cpu@_fill_argbuf_tp): New function.
	(@cpu@_emit_before,@cpu@_emit_after): New functions.
	(@cpu@_pbb_begin): Prefix cti_sc,insn_count with '_'.
	(SET_CTI_VPC,SET_INSN_COUNT): Update.
	(@cpu@_pbb_before): Check ARGBUF_PROFILE_P before calling
	doing profiling.  Update call to TRACE_INSN_INIT,TRACE_INSN_FINI.
	(@cpu@_pbb_after): Check ARGBUF_PROFILE_P before calling
	doing profiling. Update call to TRACE_INSN_FINI.

	* sim-memopt.c (sim_memory_uninstall): Result type is `void'.

1998-12-03  Frank Ch. Eigler  <[e-mail]>

	* sim-memopt.c (sim_memory_uninstall): Deallocate all memory
 	regions.

1998-12-01  Doug Evans  <[e-mail]>

	* sim-inline.c (SIM_INLINE_P): Fix typo.

1998-11-30  Doug Evans  <[e-mail]>

	* cgen-utils.c (cgen_virtual_opcode_table): Update.

Tue Nov 24 18:40:03 1998  Andrew Cagney  <[e-mail]>

	* gennltvals.sh: Add v850 and d10v. Sort alphabetically.
	* nltvals.def: Re-generate.

Mon Nov 23 13:28:38 1998  Andrew Cagney  <[e-mail]>

	* sim-core.c (reverse_n, sim_core_uninstall, sim_core_init,
 	sim_core_map_attach, sim_core_map_detach, next_event_queue,
 	new_sim_core_mapping): Only define when EXTERN_SIM_CORE_P, pacify
 	GCC.
	* sim-events.c (sim_events_uninstall, sim_events_suspend,
 	sim_events_resume, sim_events_zalloc, insert_sim_event): Ditto.

1998-11-22  Doug Evans  <[e-mail]>

	* genmloop.sh (${cpu}_pbb_chain): Watch for Ctrl-C's.
	(${cpu}_pbb_cti_chain): Ditto.

1998-11-18  Doug Evans  <[e-mail]>

	* Make-common.in (cgen-utils.o): Depend on cgen-engine.h.
	* cgen-engine.h (EXTRACT_[ML]SB0_{INT,UINT}): New macros.
	(EXTRACT_INT,EXTRACT_UINT): New macros.
	(SEM_SEM_ARG): New macro.
	(SEM_NEXT_VPC): New arg `pc'.
	* cgen-sim.h (EXTRACT_SIGNED,EXTRACT_UNSIGNED): Delete.
	(sim_disassemble_insn): Update prototype.
	* cgen-trace.c (current_insn,insn_fields): New static locals.
	(trace_insn): Set them.
	* cgen-utils.c: #include cgen-engine.h.
	(sim_disassemble_insn): New arg insn_fields.
	Handle variable length insns.
	* genmloop.sh: Only emit pbb decls if -pbb.
	(${cpu}_scache_lookup): New arg `vpc'.
	(scache support): Fetch pc before entering loop.

	* gennltvals.sh: Add fr30 support.
	* nltvals.def: Rebuild.

Wed Nov 18 10:22:22 1998  Andrew Cagney  <[e-mail]>

	* sim-types.h: Re-do type system so that GCC's attribute and mode
 	are used to specify types.  Handle case of ALPHA.

1998-11-13  Frank Ch. Eigler  <[e-mail]>
	
	* aclocal.m4: Add tests for dlopen family.
	* config.in: Regenerated.
	
Wed Nov 11 14:02:25 1998  Doug Evans  <[e-mail]>

	* sim-hload.c (sim_load): Pass `prog_name' to sim_load_file, not NULL.

Wed Nov  4 23:51:19 1998  Doug Evans  <[e-mail]>

	* genmloop.sh (eng.hin): Rename HAVE_PARALLEL_EXEC to
	HAVE_PARALLEL_INSNS, define as 0 or 1.  Emit decls of fns in mloop.cin.
	* cgen-engine.h: Typedefs of IADDR,CIA,SEM_ARG,SEM_PC moved ...
	* cgen-sim.h: ... to here.

Wed Oct 28 12:00:57 1998  Andrew Cagney  <[e-mail]>

	* aclocal.m4 (enable-build-warnings): Replace
 	enable-sim-warnings. Extend =LIST syntax so that prepend and
 	append of options is possible.  Drop -Werror, add
 	-Wstrict-prototypes for GDB compatibility.
	* Make-common.in (SIM_WARNINGS): Update.

Mon Oct 19 13:56:32 1998  Doug Evans  <[e-mail]>

	* Make-common.in (CGEN_INCLUDE_DEPS): Define.
	(sim-core.o): Delete duplicate dependence on $(SIM_EXTRA_DEPS).
	(sim-cpu.o,sim-endian.o,sim-hw.o): Ditto.
	(cgen-run.o,cgen-scache.o,cgen-trace.o,cgen-utils.o): Delete
	explicit cgen header dependencies, require SIM_EXTRA_DEPS to include
	CGEN_INCLUDE_DEPS.
	* cgen-cpu.h: New file.
	* cgen-engine.h: New file.
	* cgen-scache.h: New file.
	* cgen-sim.h: Delete portions moved to new files.
	* genmloop.sh: Generate two files eng.hin,mloop.cin explicitly,
	rather than sending result to stdout.

Fri Oct  9 14:20:22 1998  Doug Evans  <[e-mail]>

	* Make-common.in (sim-reg.o): New rule.
	(cgen-run.o): New rule.
	* cgen-ops.h: Delete many BI macros.  Change all UBI -> BI.
	* cgen-run.c (prime_cpu): New function.
	* cgen-scache.c: Add pseudo-basic-block (pbb) scaching support.
	(scache_option_handler, case OPTION_PROFILE_SCACHE): Handle explicitly
	mentioned cpu.
	(scache_flush_cpu,scache_lookup,scache_lookup_or_alloc): New fns.
	* cgen-sim.h (CGEN_INSN_VIRTUAL_TYPE): New enum.
	(CGEN_INSN_VIRTUAL_P): New macro.
	(SEM_PC): New typedef.
	(SEMANTIC_FN): Change type of result to SEM_PC.
	(SEM_SET_FULL_CODE,SEM_SET_FAST_CODE,SEM_SET_CODE): New macros.
	(IDESC_CTI_P,IDESC_SKIP_P): New macros.
	(SCACHE_MAP): New typedef.
	(CPU_SCACHE): Add pbb support.
	(scace_lookup,scache_lookup_or_alloc,scache_flush_cpu): Declare.
	(SEM_BRANCH_INIT_EXTRACT,SEM_BRANCH_INIT,SEM_BRANCH_FINI): New macros.
	(CGEN_CPU): New members running_p,insn_count,{fast,full}_engine_fn,
	max_slice_insns.
	(INSN_NAME): Delete.
	(cgen_insn_name): Declare.
	(sim_engine_invalid_insn): Renamed from sim_engine_illegal_insn.
	* cgen-trace.c (trace_buf): Shrink from 1024 to 256 bytes.
	(first_insn_p): Make static.
	(trace_insn): Handle virtual insns specially.
	(cgen_trace_printf): Ensure we haven't overflowed the buffer.
	* cgen-types.h (UBI): Delete.
	(MODE_TYPE): New enum.
	(HOSTINT,HOSTUINT,HOSTPTR): Delete.
	* cgen-utils.c (mode_names): Delete UBI.  Add INT,UINT,PTR.
	(cgen_virtual_opcode_table): New global.
	(cgen_insn_name): New function.
	(sim_disassemble_insn): Ignore virtual insns.
	* genmloop.sh: Delete top level loop generation.  Add pbb support.
	* sim-cpu.h (CPU_INSN_NAME_FN): New typedef.
	(sim_cpu_base): New members max_insns,insn_name,model_data.
	(CPU_PC_GET,CPU_PC_SET): New macros.
	(sim_pc_get,sim_pc_set): Declare.
	* sim-model.c (model_set): Call model init fn.
	* sim-model.h (MODEL_FN): New typedef.
	(INSN_TIMING): New member model_fn.
	(MODEL): New members num,init.
	* sim-profile.c (sim_profile_print_bar): Renamed from print_bar.
	All callers updated.
	(profile_insn_init): New fn.
	(profile_print_insn): Update, INSN_NAME -> CPU_INSN_NAME.
	Exit early if insn profiling not supported.
	(profile_print_memory): Update, MAX_MODES -> MODE_TARGET_MAX.
	(profile_install): Record profile_insn_init as init fn.
	(profile_uninstall): Free PROFILE_INSN_COUNT if non-null.
	* sim-profile.h: Update, MAX_MODES -> MODE_TARGET_MAX.
	(PROFILE_DATA): Delete member exec_time.
	Change insn_count to pointer to array, rather than the array.
	(sim_profile_print_bar): Declare.

Wed Oct  7 16:56:42 1998  Doug Evans  <[e-mail]>

	* cgen-run.c: New file.
	* sim-reg.c: New file.

Mon Sep 14 10:58:19 1998  Frank Ch. Eigler  <[e-mail]>

	* 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.

Tue Sep  1 15:36:52 1998  Frank Ch. Eigler  <[e-mail]>

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

Tue Aug 25 12:45:27 1998  Frank Ch. Eigler  <[e-mail]>

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

Mon Aug 24 11:47:37 1998  Joyce Janczyn  <[e-mail]>

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

Tue Aug 11 18:12:19 1998  Doug Evans  <[e-mail]>

	* sim-events.c (sim_events_elapsed_time): Fix calculation.

Tue Aug  4 20:36:46 1998  Jeff Holcomb  <[e-mail]>

	* Make-common.in (install-common): Add $(EXEEXT) when installing
	run.

Mon Aug  3 11:46:01 1998  Doug Evans  <[e-mail]>

	* cgen-sim.h (cgen_state): New member opcode_table.
	* cgen-utils.c (sim_disassemble_insn): Use it.

Fri Jul 24 10:14:18 1998  Doug Evans  <[e-mail]>

	* cgen-mem.h (DECLARE_SETT): Fix return type.
	* cgen-sim.h (sim_engine_illegal_insn): Declare.
	* cgen-scache.c: Include stdlib.h.
	* cgen-trace.c (trace_extract): Use %lx for PCADDR.
	* sim-model.c (model_option_handler): Remove unused variable `n'.

Tue Jul 21 16:27:43 1998  Doug Evans  <[e-mail]>

	* cgen-utils.c: Include bfd.h.
	(sim_disassemble_insn): Update call to CGEN_EXTRACT_FN.

Wed Jul  8 18:24:10 1998  Jeffrey A Law  ([e-mail])

	* sim-bits.h (EXTEND24): Fix typo.

Wed Jul  8 17:41:47 1998  Andrew Cagney  <[e-mail]>

	* sim-events.c (ETRACE_P): New macro.
	(struct _sim_event): Add member trace.
	(sim_events_free): Reclaim trace message.

	* sim-events.c, sim-events.h (sim_events_schedule_vtracef,
 	sim_events_schedule_tracef): New functions, include printf trace
 	information in argument list.  If tracing, store asprintf'd trace
 	message in sim_event.

	* hw-events.c, hw-events.h (hw_event_queue_schedule_tracef,
 	hw_event_queue_schedule_vtracef): New functions, mimic
 	sim_event_tracef.

Mon Jul  6 15:51:14 1998  Jeffrey A Law  ([e-mail])

	* sim-bits.h (EXTEND24): Define.

Thu Jul  2 17:13:25 1998  Doug Evans  <[e-mail]>

	* cgen-sim.h (CPU_SCACHE): Make size unsigned.
	(CPU_SCACHE_HASH_MASK): New macro.
	(SCACHE_HASH_PC): Rewrite.
	* genmloop.sh (engine_resume_{full,fast}): Move some of hash
	computation out of main loop.

Wed Jul  1 16:44:12 1998  Doug Evans  <[e-mail]>

	* cgen-sim.h (RECORD_IADDR): Delete.
	* cgen-types.h (HOSTINT,HOSTUINT,HOSTPTR): New types.
	* genmloop.sh (engine_resume_{full,fast}): Delete icount.

Wed Jun 17 12:25:08 1998  Mark Alexander  <[e-mail]>

	* gennltvals.def (mn10200): Add entry.
	* nltvals.def: Regenerate with MN10200 additions.

Wed Jun 17 13:18:28 1998  Andrew Cagney  <[e-mail]>

	* sim-inline.h (EXTERN_*): Replace with EXTERN_*_P. Correct
 	documentation on how it works.

	* sim-core.h, sim-core.c (sim_core_install, sim_core_attach,
 	sim_core_detach, sim_core_read_buffer, sim_core_write_buffer,