changelog.00

这个是LINUX下的GDB调度工具的源码

Tue Nov  7 23:36:31 1995  Andrew Cagney   <cagneyhighland.com.au>

	* devices.c (htab_init_callback): Add code to create htab/pte.

	* devices.c (dma_file, file_init_callback, htab_init_callback):
        New function - Dma the named file into memory at the specified
        address.  Use.

	* device_tree.h, device_tree.c (scand_*): New functions.

Tue Nov  7 23:36:31 1995  Andrew Cagney   <cagneyhighland.com.au>

	* filter_filename.c, Makefile.in: Change so that only dependant on
        a very limited nr of files.  Stops an unnecessary dependency.

Tue Nov  7 15:44:33 1995  Andrew Cagney  <[e-mail]>

	* core.c (core_map_find_mapping): Use cpu_halt rather than error
 	to abort an access to an undefined address.

Sun Nov 12 07:58:09 1995  Michael Meissner  <[e-mail]>

	* igen.c (model_table_insert_{macro,function}): New functions.
	(insn_table_load_insns): Call them.
	(gen_model_h): Move section emiting model-macros to be first.
	(model_{c,h}_function): New functions cloned from semantic
	functions to print out the prototype and function for
	model-functions.
	(gen_model_{c,h}): Print out model-functions.

	* ppc-instructions (model_{start,halt,print_info}): Add dummy
	model-functions.

	* options.c (print_options): Print out WITH_{,DEFAULT_}MODEL, not
	WITH_PPC_{,DEFAULT_}_MODEL.
	(options_ppc): Delete now unused function.
	(cpu.h): Include cpu.h, not just basics.h.

	* std-config.h (WITH_{,DEFAULT_}MODEL): Define.

	* igen.c (model_macros, last_model_macro): New statics to keep
	track of macros to go in model.h.
	(insn_table_load_insns): Add model-macros to model_macros linked
	list.
	(model_table_fields): Add field for printable name.
	(gen_model_h): If there are model macros defined, print them out.
	Print out DEFAULT_MODEL as the first model if there any models
	specified, otherwise MODEL_NONE.  Print out external decl for
	current_model.  Print out decl for model_set.
	(gen_model_c): Add function model_set.  Switch to use printable
	name for the model, not the internal identifier used.

	* psim.c (current_model): New global variable.

	* ppc-instructions: Add macros for flag defines.  Switch first
	model so 604 is first.

	* main.c (main): Call model_set, not function_unit_model.
	* sim_calls.c (sim_open): Ditto.
	* sim_calls.c, Makefile.in: sim_calls.c now includes cpu.h.

Sat Nov 11 07:27:41 1995  Michael Meissner  <[e-mail]>

	* mon.h (mon_events): New enumeration for other events we want to
	handle.
	(mon_event): Add declaration for function.

	* mon.c (mon_event): New function.
	(mon_print_info): Print icache misses.

	* psim.c (run_until_stop): Monitor icache misses.

	* configure.in (--enable-sim-inline): Fix typos in handling comma
	separated inline options.
	(--enable-sim-icache): Echo icache size.
	* configure: Regenerate.

	* igen.c (semantics_h_print_function): Emit STATIC_SEMANTICS
	instead of INLINE_SEMANTICS so that the compiler won't keep all of
	the semantic functions as inline RTL, given that the address of
	the function is taken which forces outline calls anyway.
	(lf_print_c_semantic_function_header): Ditto.
	(gen_semantics_h): Define STATIC_SEMANTICS as nothing if not
	defined.
	(lf_print_c_cracker_function): Emit STATIC_IDECODE instead of
	STATIC_INLINE_IDECODE.
	(gen_idecode_c): Define STATIC_IDECODE if not defined.
	(gen_model_h): Use #ifdefs to define types to hold model units,
	cycles, and flags.
	(model_table_insert): Add a sentinel functional unit at the end to
	simplify loop processing.
	(model_c_insn): Use <function-unit>_SENTINAL instead of 0 for any
	instruction not specifing a function unit for the current model.
	(gen_model_{c,h}): Provide bounds for model_time_mapping.
	
	* inline.h (STATIC_SEMANTICS): Define to be static if
	SEMANTICS_INLINE is defined.
	(STATIC_IDECODE): Define to be static if IDECODE_INLINE is
	defined.
	
	* options.c (print_options): Fix typo.

Fri Nov 10 06:39:46 1995  Michael Meissner  <[e-mail]>

	* configure.in (--enable-sim-{opcode,config}): Use $srcdir when
	check for the existence of files.
	* configure: Regenerate.

	* table.c (table): New field nr_model_fields.
	(table_open): New parameter nr_model_fields.
	(table_entry_read): Parse model fields that begin with a '*' after
	each instruction.
	* igen.c, dgen.c: Change callers of table_open.

	* igen.c: Add support for dumping model specific information in
	model.h and model.c.
	(insn_field_name): Delete unused array.
	(global variables): Make global variables static, so we can tell
	when they are no longer used.
	(cache_semantic_actual): Delete unused variable.
	(insn_table_load_insns): If the insn is really a machine model,
	call model_table_insert instead of other processing.
	(model_table_insert): New function to handle defining the
	functional units of a particular machine model.
	(insn_table): Add last_function field so we can add functions at
	the end.
	(insn_table_insert_function): Use last_function field when
	appending new function.

	* ppc-instructions: Add a few model specific information for 603,
	603e, and 604 for testing purposes.
	
	* table.h (table_model_entry): New linked list to hold model
	specific information, one per line.
	(table_entry): Add model_first, model_last fields.

	* configure.in (--enable-sim-inline): If gcc is found and
	--enable-sim-inline is not specified, defaine DEFAULT_INLINE to 1,
	not 2.
	(--enable-sim-reserved-bits): New switch to check whether reserved
	bits are set in the instruction.
	(--enable-sim-opcode): Make complex the default.
	(all switches): Add appropriate checks and error messages.
	* configure: Regenerate.

	* Makefile.in (RESERVED_CFLAGS): New variable set by
	--enable-sim-reserved-bits.
	(CONFIG_CFLAGS): Include RESERVED_CFLAGS.
	(BUILT_SRC): igen now generates model.c and model.h.
	(LIB_OBJ): Include table.o.
	(tmp-igen): Add -m/-M options to write model.c/model.h.
	(model.o): New object.
	(CPU_H): Include model.h.

	* cpu.h: Include model.h.

	* std-config.h (WITH_RESERVED_BITS): Define.
	(MODEL_INLINE): Ditto.

	* options.c (print_options): Print out WITH_RESERVED_BITS.

Thu Nov  9 12:22:15 1995  Michael Meissner  <[e-mail]>

	* configure.in: If --silent, don't output information messages.
	* configure: Regenerate.

	* configure.in (--enable-sim-alignment): Fix typo in specifing non
	strict alignment.
	(--enable-sim-switch): Make default on.
	(--enable-sim-duplicate): Make default on.
	(--enable-sim-smp): Make default 0.
	(--enable-sim-mon): Don't set sim_float if not set.
	(--enable-sim-inline): If gcc is found and --enable-sim-inline is
	not specified, define DEFAULT_INLINE to be 2.
	(all --enable-sim-* rules): Echo rules set to non empty to file
	descriptor 6.
	* configure: Regenerate.

	* options.c (options_env): Fix typo if WITH_ENV is 0.
	(print_options): Print GCC compiler version if available and
	date/time options was compiled.  If OPCODE_RULES, IGEN_FLAGS,
	and/or DGEN_FLAGS are defined, print them.

	* Makefile.in (all link actions): Pass SIM_CFLAGS as well as
	CFLAGS.
	(options.o): Compile options.o with OPCODE_RULES, IGEN_FLAGS, and
	DGEN_FLAGS defined, so they can be printed out.

	* igen.c (lf_print_c_validate): Check for WITH_ASSERT, so that
	this test can be compiled away if the user really wants a fast
	simulator by not doing assertion failures.

Wed Nov  8 13:19:47 1995  Michael Meissner  <[e-mail]>

	* options.c: New file to print out all of the WITH_ options.
	* options.h: New include file to declare print_options.
	* debug.h (trace_options): Add trace_opts to call print_options.
	* debug.c (trace_description): Add trace_opts support.
	* main.c (main): If user requested options, print them.
	* sim_calls.c (sim_open): Ditto.
	
	* igen.c (opcode_field_new): Add void to make it a proper prototype.

	* emul_generic.c (emul_enter_call): Make printf_filtered arguments
	type correct.
	* emul_netbsd.c (do_kill): Ditto.
	* registers.c (registers_dump): Ditto.
	* vm.c (om_translate_effective_to_real): Ditto.
	* vm_n.h (vm_data_map_read_N): Ditto.
	(vm_data_map_write_N): Ditto.
	* devices.h (DTRACE_INIT): Ditto.
	(DTRACE_{ATTACH,DETACH}_ADDRESS): Ditto.
	(DTRACE_IO_{READ,WRITE}_BUFFER): Ditto.
	(DTRACE_DMA_{READ,WRITE}_BUFFER): Ditto.
	* devices.c (update_for_binary_section): Ditto.
	(write_stack_arguments): Ditto.
	(stack_ioctl_callback): Ditto.
	* device_tree.c (device_tree_add_passthrough): Ditto.
	(device_tree_{add,find}_device): Ditto.
	(device_tree_{add,find}_integer): Ditto.
	(device_tree_find_{string,boolean}): Ditto.
	(device_tree_init{,_device}): Ditto.
	(device_tree_dump): Ditto.
	* sim_calls.c (sim_{read,write}): Ditto.
	(sim_{fetch,store}_register): Ditto.
	(sim_stop_reason): Ditto.

	* sim_callbacks.h (printf_filtered): Declare with attribute
	printf, so we can enable format checks.

	* devices.c (console_io_{read,write}_buffer_callback): Cast swtich
	argument to int, since ANSI doesn't allow long switch values.
	* emul_netbsd.c (do___sysctl): Ditto.

	* emul_netbsd.c (do___sysctl): Fix up printf call.
	
	* corefile.c (core_translate): Don't do arithmetic with void *
	pointers.  Cast to char * first.
	
	* function_unit.c (FUNC_{LOAD,STORE}): Rename from {LOAD,STORE}
	and change all uses.

	* Makefile.in ({FUNC,MODEL,WARNING}_CFLAGS): New flags set by
	configure --enable switches.
	(CONFIG_CFLAGS): Include FUNC_CFLAGS and MODE_CFLAGS.
	(.c.o): Include WARNING_CFLAGS.
	(CPU_H): Include function_unit.h.
	(LIB_OBJ): Include function_unit.o.
	(BUILT_SRC_WO_CONFIG): Split from BUILT_SRC and do not include
	config.h or ppc-config.h.
	(BUILT_SRC): Include BUILT_SRC_WO_CONFIG, config.h and
	ppc-config.h.
	(filter_filename.o): Include config.h/ppc-config.h dependencies.
	(idecode.o, semantics.o, psim.o): Specify CC line without
	WARNING_CFLAGS so that we don't get all of the unused variable
	warnings that are generated.
	(function_unit.o): Add rule to build.
	(main.o, sim_calls.o): Add function_unit.h, itable.h dependencies.
	(mon.o): Include mon.c dependency.
	(TAGS): Depend on BUILT_SRC.
	(clean): Don't delete config.h or ppc-config.h

	* basics.h (sim_callbacks.h): Move include after the include of
	config.h and ppc-config.h.

	* bits.{h,c} (ROTL32,ROTL64): Move these functions to bits.c.  Add
	support for BITS_INLINE to inline these.  Add declarations to
	bits.h.

	* configure.in (--enable-sim-warnings): Add new option to specify
	compiler warnings for all modules except idecode.o and semantics.o
	which have lots of unused variables because they are machine
	generated.
	(--enable-sim-function-unit): New switch to configure whether
	function unit support is compiled in or not.
	(--enable-sim-{,default-}mode): New switches to control which cpu
	model is used.
	* configure: Regenerate.

	* corefile.c (core_attach_address_callback): Delete unused
	variable device_address.

	* cpu.c (struct _cpu): Add function unit pointer field func_unit.
	(cpu_create): If WITH_FUNCTION_UNIT, call function_unit_create.
	(cpu_init): If WITH_FUNCTION_UNIT, call function_unit_init.
	(cpu_halt): If WITH_FUNCTION_UNIT, call function_unit_halt.
	(cpu_function_unit): New function to return func_unit field.

	* cpu.h (function_unit.h): Include new include file.
	(cpu_function_unit): Declare.

	* debug.c (stdlib.h): Test HAVE_STDLIB_H, not HAVE_STDLIB.
	(config.h): Include config.h.

	* devices.c (icu_io_write_buffer_callback): Delete unused variable
	system.

	* emul_generic.c (emul_exit_call): Print out status value.

	* emul_netbsd.c (do_read): Delete unused variable nr_moved.

	* filter_filename.h (includes): Include config.h, ppc-config.h,
	not basics.h.

	* inline.c: Include bits.c if BITS_INLINE.  Include
	function_unit.c if FUNCTION_UNIT_INLINE.

	* inline.h (INLINE_BITS): Define if BITS_INLINE.
	(INLINE_FUNCTION_UNIT): Define if FUNCTION_UNIT_INLINE.

	* interrupts.c (instruction_storage_interrupt): Delete unused
	variable nia.

	* lf.h (config.h): Include config.h.

	* main.c (includes): Include function_unit.c.  If HAVE_UNISTD_H,
	include unistd.h.
	(usage): Update for -m model, -i, and -I options.
	(main): Delete unused variables stack_pointer and i.  Add support
	for -i, -m model arguments.  Call psim_print_info with verbose ==
	1 if -i, and verbose == 2 if -I.

	* mon.c (stdio.h): Include stdio.h to pick up sprintf prototype.
	(mon_issue): Call function_unit_issue if function units are
	supported.
	(mon_print_info): Take psim * argument.  Print out information
	from function_unit if available.  Move read/write stats to always
	print, instead of printing if verbose > 1.  Fix up plural
	vs. singular usage.

	* mon.h (mon_print_info): Update prototype.

	* psim.c (current_ppc_model): Add global variable.
	(psim_print_info): Pass system argument to mon_print_info.

	* sim_calls.c (function_unit.h): Include.
	(sim_open): Add support for -i and -m model options.  If -i call
	psim_print_info with verbose == 1, if -I, with verbose == 2.
	(sim_resume): Delete unused variable program_counter.

	* std-config.h (WITH_FUNCTION_UNIT): Define.
	(ppc_model): Add enumeration giving all PowerPC models currently
	known about.
	({WITH,CURRENT}_PPC_MODEL): Define.
	(FUNCTION_UNIT_INLINE): Define.

	* table.c (config.h): Include config.h.