Commit Graph

15 Commits

Author SHA1 Message Date
Ulrich Weigand ad068eabda * target-descriptions.h (struct type): Do not declare.
(struct tdesc_type): Declare.
	(tdesc_named_type): Change return type to struct tdesc_type *.
	(tdesc_record_type): Remove.
	(tdesc_create_vector): Add prototype.
	(tdesc_create_union): Likewise.
	(tdesc_add_field): Likewise.

	* target-descriptions.c (struct tdesc_reg): Replace gdb_type
	member by tdesc_type member.
	(struct tdesc_type_field, tdesc_type_field): Add type and vector def.
	(struct tdesc_type, tdesc_type_p): Likewise.
	(struct tdesc_arch_reg, tdesc_arch_reg): Likewise.
	(struct tdesc_feature): Change type of "types" to VEC(tdesc_type_p).
	(struct tdesc_arch_data): Replace registers member by arch_regs.

	(tdesc_predefined_types): Change to array of pre-defined
	struct tdesc_type structures.  Add "code_ptr" and "data_ptr".
	(tdesc_named_type): Return struct tdesc_type * instead of GDB type.
	(tdesc_gdb_type): New function.

	(target_find_description): Update for data structure changes.
	(tdesc_data_cleanup): Likewise.
	(tdesc_numbered_register): Likewise.
	(tdesc_use_registers): Likewise.
	(tdesc_create_reg): Likewise.

	(tdesc_find_arch_register): New function.
	(tdesc_find_register): Use it.
	(tdesc_register_type): Use tdesc_gdb_type to generate GDB type from
	tdesc_type on demand; cache generated types in tdesc_arch_reg.

	(tdesc_free_type): New function.
	(tdesc_free_feature): Call it.

	(tdesc_create_vector): New function.
	(tdesc_create_union): Likewise.
	(tdesc_add_field): Likewise.
	(tdesc_record_type): Remove.

	(tdesc_type_id): Remove.
	(maint_print_c_tdesc_cmd): Update for data structure changes.  Update
	generated code to create tdesc_type structures instead of GDB types.

	* xml-tdesc.c: Do not include "gdbtypes.h".
	(struct tdesc_parsing_data): Change type of current_union to
	struct tdesc_type *.
	(tdesc_start_reg): Do not special-case "code_ptr" or "data_ptr".
	(tdesc_start_union): Call tdesc_create_union.
	(tdesc_start_field): Call tdesc_add_field.
	(tdesc_start_vector): Call tdesc_create_vector.
	(tdesc_end_union): Remove.
	(feature_children): Remove reference to tdesc_end_union.

	* features/arm-with-iwmmxt.c: Regenerate.
	* features/mips-linux.c: Regenerate.
	* features/mips64-linux.c: Regenerate.
	* features/rs6000/powerpc-32.c: Regenerate.
	* features/rs6000/powerpc-32l.c: Regenerate.
	* features/rs6000/powerpc-403.c: Regenerate.
	* features/rs6000/powerpc-403gc.c: Regenerate.
	* features/rs6000/powerpc-505.c: Regenerate.
	* features/rs6000/powerpc-601.c: Regenerate.
	* features/rs6000/powerpc-602.c: Regenerate.
	* features/rs6000/powerpc-603.c: Regenerate.
	* features/rs6000/powerpc-604.c: Regenerate.
	* features/rs6000/powerpc-64.c: Regenerate.
	* features/rs6000/powerpc-64l.c: Regenerate.
	* features/rs6000/powerpc-7400.c: Regenerate.
	* features/rs6000/powerpc-750.c: Regenerate.
	* features/rs6000/powerpc-860.c: Regenerate.
	* features/rs6000/powerpc-altivec32.c: Regenerate.
	* features/rs6000/powerpc-altivec32l.c: Regenerate.
	* features/rs6000/powerpc-altivec64.c: Regenerate.
	* features/rs6000/powerpc-altivec64l.c: Regenerate.
	* features/rs6000/powerpc-e500.c: Regenerate.
	* features/rs6000/powerpc-e500l.c: Regenerate.
	* features/rs6000/powerpc-isa205-32l.c: Regenerate.
	* features/rs6000/powerpc-isa205-64l.c: Regenerate.
	* features/rs6000/powerpc-isa205-altivec32l.c: Regenerate.
	* features/rs6000/powerpc-isa205-altivec64l.c: Regenerate.
	* features/rs6000/powerpc-isa205-vsx32l.c: Regenerate.
	* features/rs6000/powerpc-isa205-vsx64l.c: Regenerate.
	* features/rs6000/powerpc-vsx32.c: Regenerate.
	* features/rs6000/powerpc-vsx32l.c: Regenerate.
	* features/rs6000/powerpc-vsx64.c: Regenerate.
	* features/rs6000/powerpc-vsx64l.c: Regenerate.
	* features/rs6000/rs6000.c: Regenerate.
2009-06-23 16:59:47 +00:00
Joel Brobecker 0fb0cc7590 Updated copyright notices for most files. 2009-01-03 05:58:08 +00:00
Tom Tromey 7c8a8b0498 * cli/cli-script.c (do_fclose_cleanup): Remove.
(script_from_file): Use make_cleanup_fclose.
	* xml-tdesc.c (do_cleanup_fclose): Remove.
	(fetch_xml_from_file): Use make_cleanup_fclose.
	* tracepoint.c (tracepoint_save_command): Use
	make_cleanup_fclose.  Always free pathname.
	* source.c (print_source_lines_base): Use make_cleanup_fclose.
	* remote.c (fclose_cleanup): Remove.
	(remote_file_put): Use make_cleanup_fclose.
	(remote_file_get): Likewise.
	* linux-nat.c (linux_nat_find_memory_regions): Use
	make_cleanup_fclose.
	(linux_nat_info_proc_cmd): Likewise.
	(linux_proc_pending_signals): Likewise.
	* fbsd-nat.c (fbsd_find_memory_regions): Use make_cleanup_fclose.
	Free file name.
	* cli/cli-dump.c (do_fclose_cleanup): Remove.
	(make_cleanup_fclose): Remove.
	* defs.h (make_cleanup_fclose): Declare.
	* utils.c (do_fclose_cleanup): New function.
	(make_cleanup_fclose): Likewise.
2008-10-28 15:22:13 +00:00
Tom Tromey 876cecd0ee gdb:
* xml-tdesc.c (tdesc_end_union): Update.
	* stabsread.c (define_symbol): Update.
	(read_type): Update.
	(read_struct_type): Update.
	(read_enum_type): Update.
	* spu-tdep.c (spu_builtin_type_vec128): Update.
	* sh-tdep.c (sh_push_dummy_call_fpu): Update.
	(sh_push_dummy_call_nofpu): Update.
	* mdebugread.c (parse_symbol): Update.
	(parse_symbol): Update.
	(parse_symbol): Update.
	(upgrade_type): Update.
	* jv-lang.c (java_lookup_class): Update.
	* iq2000-tdep.c (iq2000_pointer_to_address): Update.
	* i386-tdep.c (i386_mmx_type): Update.
	(i386_sse_type): Update.
	* gdbtypes.h (enum type_flag_value): New enum.
	(enum type_instance_flag_value): New enum.
	(TYPE_FLAG_UNSIGNED, TYPE_FLAG_NOSIGN, TYPE_FLAG_STUB,
	TYPE_FLAG_TARGET_STUB, TYPE_FLAG_STATIC, TYPE_FLAG_PROTOTYPED,
	TYPE_FLAG_INCOMPLETE, TYPE_FLAG_VARARGS, TYPE_FLAG_VECTOR,
	TYPE_FLAG_FIXED_INSTANCE, TYPE_FLAG_STUB_SUPPORTED,
	TYPE_FLAG_NOTTEXT): Now enum constants.
	(TYPE_FLAG_CONST, TYPE_FLAG_VOLATILE, TYPE_FLAG_CODE_SPACE,
	TYPE_FLAG_DATA_SPACE, TYPE_FLAG_ADDRESS_CLASS_1,
	TYPE_FLAG_ADDRESS_CLASS_2): Remove.
	(TYPE_INSTANCE_FLAG_CONST, TYPE_INSTANCE_FLAG_VOLATILE,
	TYPE_INSTANCE_FLAG_CODE_SPACE, TYPE_INSTANCE_FLAG_DATA_SPACE,
	TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1,
	TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2): New constants.
	(TYPE_UNSIGNED, TYPE_NOSIGN, TYPE_STUB, TYPE_TARGET_STUB,
	TYPE_STATIC, TYPE_PROTOTYPED, TYPE_INCOMPLETE, TYPE_VARARGS,
	TYPE_VECTOR, TYPE_FIXED_INSTANCE, TYPE_STUB_SUPPORTED,
	TYPE_NOTTEXT): Update.
	(TYPE_FLAG_ADDRESS_CLASS_ALL): Remove.
	(TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL): New define.
	(TYPE_VOLATILE, TYPE_CODE_SPACE, TYPE_DATA_SPACE,
	TYPE_ADDRESS_CLASS_1, TYPE_ADDRESS_CLASS_2,
	TYPE_ADDRESS_CLASS_ALL): Update.
	(struct main_type) <flags>: Remove.
	<flag_unsigned, flag_nosign, flag_stub, flag_target_stub,
	flag_static, flag_prototyped, flag_incomplete, flag_varargs,
	flag_vector, flag_stub_supported, flag_nottext,
	flag_fixed_instance>: New fields.
	<nfields, vptr_fieldno>: Move earlier.
	(TYPE_FLAGS): Remove.
	* gdbtypes.c (make_pointer_type): Update.
	(address_space_name_to_int): Update.
	(address_space_int_to_name): Update.
	(make_type_with_address_space): Update.
	(make_cv_type): Update.
	(create_range_type): Update.
	(get_discrete_bounds): Update.
	(create_set_type): Update.
	(make_vector_type): Update.
	(smash_to_method_type): Update.
	(check_typedef): Update.
	(check_stub_method): Update.
	(init_type): Individually assign flag fields.
	(recursive_dump_type): Don't print entire TYPE_FLAGS field.  Do
	print TYPE_FIXED_INSTANCE, TYPE_STUB_SUPPORTED, and TYPE_NOTTEXT.
	(copy_type_recursive): Copy the entire main type.  Don't use
	TYPE_FLAGS.
	* features/rs6000/powerpc-altivec64l.c
	(initialize_tdesc_powerpc_altivec64l): Update.
	* features/rs6000/powerpc-altivec64.c
	(initialize_tdesc_powerpc_altivec64): Update.
	* features/rs6000/powerpc-altivec32l.c
	(initialize_tdesc_powerpc_altivec32l): Update.
	* features/rs6000/powerpc-altivec32.c
	(initialize_tdesc_powerpc_altivec32): Update.
	* features/rs6000/powerpc-7400.c (initialize_tdesc_powerpc_7400):
	Update.
	* features/arm-with-iwmmxt.c (initialize_tdesc_arm_with_iwmmxt):
	Update.
	* dwarf2read.c (read_structure_type): Update.
	(read_enumeration_type): Likewise.
	(process_enumeration_scope): Likewise.
	(read_tag_pointer_type): Likewise.
	(read_subroutine_type): Likewise.
	(read_subroutine_type): Likewise.
	(read_base_type): Likewise.
	* coffread.c (coff_read_enum_type): Update.
	* ada-valprint.c (adjust_type_signedness): Update.
	* ada-typeprint.c (print_record_field_types): Update.
	* ada-lang.c (packed_array_type): Update.
	(empty_record): Don't reset TYPE_FLAGS.
	(ada_template_to_fixed_record_type_1): Update.
	(ada_template_to_fixed_record_type_1): Likewise.
	(template_to_static_fixed_type): Likewise.
	(to_record_with_fixed_variant_part): Likewise.
	(to_fixed_record_type): Likewise.
	(to_fixed_array_type): Likewise.
	(to_static_fixed_type): Likewise.
gdb/testsuite:
	* gdb.base/maint.exp: Update "maint print type".
2008-08-24 16:39:57 +00:00
Pedro Alves 6eb7ee032e * buildsym.c (start_subfile): Properly cast sentinel in concat
call.
	* cp-name-parser.y: Include "config.h".
	* xml-tdesc.c (fetch_xml_from_file): Properly cast sentinel in
	concat call.
	* gdb_select.h: Include sys/time.h if sys/select.h is not
	available.
2008-08-10 18:41:33 +00:00
Daniel Jacobowitz 9b254dd1ce Updated copyright notices for most files. 2008-01-01 22:53:26 +00:00
Daniel Jacobowitz ea37ba0926 * NEWS: Update description of string changes. Mention print/s.
* c-valprint.c (textual_element_type): New.
	(c_val_print): Use it.  Do not skip address printing for pointers
	with a string format.
	(c_value_print): Doc update.
	* dwarf2read.c (read_array_type): Use make_vector_type.
	* gdbtypes.c (make_vector_type): New.
	(init_vector_type): Use it.
	(gdbtypes_post_init): Initialize builtin_true_unsigned_char.
	(_initialize_gdbtypes): Mark int8_t and uint8_t as TYPE_FLAG_NOTTEXT.
	* gdbtypes.h (struct builtin_type): Add builtin_true_unsigned_char.
	(TYPE_FLAG_NOTTEXT, TYPE_NOTTEXT): New.
	(make_vector_type): New.
	* printcmd.c (print_formatted): Only handle 's' and 'i' for examine.
	Call the language print routine for string format.
	(print_scalar_formatted): Call val_print for string format.  Handle
	unsigned original types for char format.
	(validate_format): Do not reject string format.
	* stabsread.c (read_type): Use make_vector_type.
	* xml-tdesc.c (tdesc_start_vector): Use init_vector_type.

	* gdb.texinfo (Output Formats): Update 'c' description.  Describe 's'.
	(Examining Memory): Update mentions of the 's' format.
	(Automatic Display): Likewise.

	* gdb.arch/i386-sse.exp: Do not expect character constants.
	* gdb.base/charsign.c, gdb.base/charsign.exp: Delete.
	* gdb.base/display.exp: Allow print/s.
	* gdb.base/printcmds.exp, gdb.base/setvar.exp: Revert signed
	and unsigned char array changes.
2007-09-05 00:51:49 +00:00
Joel Brobecker a9762ec78a Switch the license of all .c files to GPLv3.
Switch the license of all .h files to GPLv3.
        Switch the license of all .cc files to GPLv3.
2007-08-23 18:08:50 +00:00
Daniel Jacobowitz 1780a0edf4 * gdb.texinfo (Target Description Format): Add version attribute
for <target>.

	* xml-tdesc.c (tdesc_start_target): New.
	(target_attributes): New.
	(tdesc_elements): Use it.
	* features/gdb-target.dtd: Add #FIXED version attribute for
	<target>.
2007-06-13 19:22:35 +00:00
Daniel Jacobowitz e1024ff1dd * defs.h (ldirname): New prototype.
* dwarf2read.c (read_file_scope): Use DW_AT_name if DW_AT_comp_dir is
	missing.
	* utils.c (ldirname): New function.
	* xml-tdesc.c (file_read_description_xml): Use ldirname.
2007-06-04 12:34:11 +00:00
Daniel Jacobowitz d9cc5895fd * target-descriptions.c (tdesc_named_type): Move code_ptr and data_ptr
handling from here...
	(tdesc_register_type): ...to here.
	* xml-tdesc.c (tdesc_start_reg): Allow code_ptr and data_ptr.
	* features/arm-core.xml: Use code_ptr and data_ptr.
2007-02-13 15:48:06 +00:00
Daniel Jacobowitz 123dc83914 * Makefile.in (arm-tdep.o, eval.o, target-descriptions.o)
(xml-tdesc.o): Update.
	* xml-support.c: Add a comment.
	(gdb_xml_enums_boolean): New variable.
	(gdb_xml_parse_attr_enum): Use strcasecmp.
	* xml-support.h (gdb_xml_enums_boolean): Declare.
	* xml-tdesc.c (struct tdesc_parsing_data): Record current_feature,
	next_regnum, and current_union.
	(tdesc_start_feature, tdesc_start_reg, tdesc_start_union)
	(tdesc_end_union, tdesc_start_field, tdesc_start_vector)
	(field_attributes, union_children, reg_attributes, union_attributes)
	(vector_attributes, feature_attributes, feature_children): New.
	(target_children): Make static.  Add <feature>.
	(tdesc_elements): Make static.
	* target-descriptions.c (struct tdesc_reg, tdesc_reg_p, type_p)
	(struct tdesc_feature, tdesc_feature_p): New types.
	(struct target_desc): Add features member.
	(struct tdesc_arch_data, tdesc_data): New.
	(target_find_description): Clarify error message.  Warn about
	ignored register descriptions.
	(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
	(tdesc_named_type, tdesc_data_init, tdesc_data_alloc)
	(tdesc_data_cleanup, tdesc_numbered_register)
	(tdesc_numbered_register_choices, tdesc_find_register)
	(tdesc_register_name, tdesc_register_type)
	(tdesc_remote_register_number, tdesc_register_reggroup_p)
	(set_tdesc_pseudo_register_name, set_tdesc_pseudo_register_type)
	(set_tdesc_pseudo_register_reggroup_p, tdesc_use_registers)
	(tdesc_free_reg, tdesc_create_reg, tdesc_free_feature)
	(tdesc_create_feature, tdesc_record_type): New.
	(free_target_description): Free features.
	(_initialize_target_descriptions): Initialize tdesc_data.
	* arch-utils.c (default_remote_register_number): New.
	* arch-utils.h (default_remote_register_number): New prototype.
	* target-descriptions.h (set_tdesc_pseudo_register_name)
	(set_tdesc_pseudo_register_type, set_tdesc_pseudo_register_reggroup_p)
	(tdesc_use_registers, tdesc_data_alloc, tdesc_data_cleanup)
	(tdesc_numbered_register, tdesc_numbered_register_choices)
	(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
	(tdesc_named_type, tdesc_create_feature, tdesc_record_type)
	(tdesc_create_reg): Declare.
	* gdbarch.sh (remote_register_number): New entry.
	* gdbarch.c, gdbarch.h: Regenerate.
	* remote.c (init_remote_state): Use gdbarch_remote_register_number.
	* features/gdb-target.dtd: Add feature, reg, vector, union, and field.

	* arm-tdep.c (arm_register_aliases): New.
	(arm_register_name_strings): Rename to...
	(arm_register_names): ...this.  Make const.  Delete the old version.
	(current_option, arm_register_byte): Delete.
	(set_disassembly_style): Simplify.  Do not adjust arm_register_names.
	(value_of_arm_user_reg): New.
	(arm_gdbarch_init): Verify any described registers.  Call
	tdesc_use_registers.  Don't use arm_register_byte.  Create aliases
	for standard register names.
	(_initialize_arm_tdep): Do not adjust arm_register_names.
	* user-regs.c (struct user_reg): Add baton member.
	(append_user_reg, user_reg_add_builtin, user_regs_init)
	(user_reg_add, value_of_user_reg): Use a baton for user
	register functions.
	* std-regs.c: Update.
	* user-regs.h (user_reg_read_ftype, user_reg_add_builtin)
	(user_reg_add): Add baton argument.
	* NEWS: Mention target description register support.
	* features/arm-core.xml, features/arm-fpa.xml: New.
	* eval.c (evaluate_subexp_standard): Allow ptype $register
	when the program is not running.

	* gdb.texinfo (-target-disconnect): Use @smallexample.
	(Requirements): Add anchor for Expat.  Update description.
	(Target Descriptions): Mention Expat.
	(Target Description Format): Document new elements.  Use
	@smallexample.
	(Predefined Target Types, Standard Target Features): New sections.
	* doc/gdbint.texinfo (Target Descriptions): New section.

	* gdb.xml/single-reg.xml, gdb.xml/tdesc-regs.exp,
	gdb.xml/core-only.xml, gdb.xml/extra-regs.xml: New files.
2007-02-08 21:00:36 +00:00
Daniel Jacobowitz fc6e01687d * xml-tdesc.c (struct tdesc_xml_cache, tdesc_xml_cache_s)
(xml_cache): New.
	(tdesc_parse_xml): Cache expanded descriptions.
2007-02-07 22:51:36 +00:00
Daniel Jacobowitz 108546a0ea * Makefile.in (XMLFILES): New.
(COMMON_OBS): Add xml-builtin.o.
	(xml-builtin.c, stamp-xml): New rules.
	(xml-tdesc.o): Update.
	* features/feature_to_c.sh: New file.
	* xml-support.c (MAX_XINCLUDE_DEPTH): Define.
	(struct gdb_xml_parser): Add dtd_name and is_xinclude.
	(gdb_xml_start_element): Initialize scope after possibly reallocating
	scopes.  Move cleanup later.  Handle the XInclude description
	specially.
	(gdb_xml_end_element): Only parse the body if there is a current element.
	Call XML_DefaultCurrent if there is no element.
	(gdb_xml_fetch_external_entity, gdb_xml_use_dtd): New.
	(struct xinclude_parsing_data, xinclude_start_include)
	(xinclude_end_include, xml_xinclude_default)
	(xml_xinclude_start_doctype, xml_xinclude_end_doctype)
	(xml_xinclude_xml_decl, xml_xinclude_cleanup, xinclude_attributes)
	(xinclude_elements, xml_process_xincludes, fetch_xml_builtin): New.
	* xml-support.h (xml_fetch_another, xml_process_xincludes)
	(fetch_xml_builtin, xml_builtin, gdb_xml_use_dtd): New declarations.
	* xml-tdesc.c (tdesc_parse_xml): Add fetcher_baton argument.  Expand
	XInclude directives.  Use the compiled in DTD.
	(fetch_xml_from_file): Add baton argument.  Treat it as a containing
	directory name.  Do not warn here.
	(file_read_description_xml): Update call.  Warn here instead.  Pass
	a dirname as baton.
	(fetch_available_features_from_target): New.
	(target_read_description_xml): Use it.
	* features/gdb-target.dtd: Add copyright notice.  Use xinclude.dtd
	to handle XInclude.
	* features/xinclude.dtd: New file.

	* gdb.xml/bad-include.xml, gdb.xml/inc-2.xml, gdb.xml/inc-body.xml,
	gdb.xml/includes.xml, gdb.xml/tdesc-xinclude.exp: New files.

	* gdb.texinfo (Target Description Format): Add section on XInclude.
2007-02-07 22:48:06 +00:00
Daniel Jacobowitz 23181151a2 XML feature description support.
* NEWS: Mention target descriptions, "set tdesc filename",
	"unset tdesc filename", "show tdesc filename", and
	qXfer:features:read.
	* arch-utils.c (choose_architecture_for_target): New function.
	(gdbarch_info_fill): Call it.
	* target-descriptions.c (struct property): Make members non-const.
	(struct target_desc): Add arch member.
	(target_description_filename): New variable.
	(target_find_description): Try via XML first.
	(tdesc_architecture): New.
	(free_target_description, make_cleanup_free_target_description): New.
	(set_tdesc_property): Call xstrdup.
	(set_tdesc_architecture, tdesc_set_cmdlist, tdesc_show_cmdlist)
	(tdesc_unset_cmdlist, unset_tdesc_cmd, unset_tdesc_filename_cmd)
	(set_tdesc_cmd, show_tdesc_cmd, set_tdesc_filename_cmd)
	(show_tdesc_filename_cmd, _initialize_target_descriptions): New.
	* target-descriptions.h (tdesc_architecture)
	(make_cleanup_free_target_description, set_tdesc_architecture): New
	prototypes.
	* Makefile.in (SFILES): Add xml-tdesc.c.
	(COMMON_OBS): Add xml-tdesc.o.
	(target-descriptions.o): Update.
	(xml-tdesc.o): New rule.
	* xml-tdesc.c, xml-tdesc.h: New files.
	* remote.c (PACKET_qXfer_features): New enum.
	(remote_protocol_features): Add qXfer:features:read.
	(remote_xfer_partial): Handle TARGET_OBJECT_AVAILABLE_FEATURES.
	(_initialize_remote): Register qXfer:features:read.
	* target.h (enum target_object): Add TARGET_OBJECT_AVAILABLE_FEATURES.
	* features/gdb-target.dtd: New file.

	* linux-i386-low.c (the_low_target): Set arch_string.
	* linux-x86-64-low.c (the_low_target): Likewise.
	* linux-low.c (linux_arch_string): New.
	(linux_target_ops): Add it.
	* linux-low.h (struct linux_target_ops): Add arch_string.
	* server.c (write_qxfer_response): Use const void * for DATA.
	(get_features_xml): New.
	(handle_query): Handle qXfer:features:read.  Report it for qSupported.
	* target.h (struct target_ops): Add arch_string method.

	* gdb.texinfo (Target Descriptions): New section.
	(General Query Packets): Add QPassSignals anchor.  Mention
	qXfer:features:read under qSupported.  Expand mentions of
	qXfer:memory-map:read and QPassSignals.  Document
	qXfer:features:read.
2007-01-09 22:55:10 +00:00