and sparc-linux-nat.c to ALLDEPFILES. Add dependencies.
* config/sparc/linux.mh: Add sparc-linux-nat.o to NATDEPFILES.
* sparc-linux-nat.c: New file, from Mark Kettenis.
* dbxread.c (set_namestring): New function, replacing the
SET_NAMESTRING macro.
(SET_NAMESTRING, CUR_SYMBOL_TYPE, CUR_SYMBOL_VALUE,
CUR_SYMBOL_STRX, DBXREAD_ONLY, START_PSYMTAB, END_PSYMTAB): Delete
definitions.
(read_dbx_symtab): Don't include partial-stab.h any more. Don't
reuse code in partial-stab.h, include the code directly, instead.
* Makefile.in (dbxread.o): Remove dependency on partial-stab.h.
(HFILES_NO_SRCDIR): Remove partial-stab.h.
2001-11-06 Elena Zannoni <ezannoni@redhat.com>
* mdebugread.c (CUR_SYMBOL_TYPE, CUR_SYMBOL_VALUE, START_PSYMTAB,
END_PSYMTAB, SET_NAMESTRING, HANDLE_RBRAC): Delete definitions.
(parse_partial_symbols): Don't include partial-stab.h any
more. Don't reuse code in partial-stab.h, include the code
directly, instead. Simplify code from partial-stab.h eliminating
ifdef DBXREAD_ONLY code.
* Makefile.in (mdebugread.o): Remove dependency on partial-stab.h.
* xcoffread.c (N_UNDF, N_ABS, N_TEXT, N_DATA, N_BSS, N_COMM, N_FN,
N_EXT, N_INDR, N_SETA, N_SETT, N_SETD, N_SETB, N_SETV,
CUR_SYMBOL_TYPE, CUR_SYMBOL_VALUE, START_PSYMTAB, END_PSYMTAB,
SET_NAMESTRING): Delete definitions.
Don't include language.h any more.
Don't include partial-stab.h any more.
(scan_xcoff_symtab): Don't jump through hoops to reuse code in
partial-stab.h, include the code directly, instead.
* Makefile.in (xcoffread.o): Remove dependency on partial-stab.h.
* rom68k-rom.c: #include "value.h".
(is_hex_digit, hex_digit_value, is_whitespace,
rom68k_supply_one_register): New static functions.
(rom68k_supply_register): Call rom68k_supply_one_register, instead
of monitor_supply_register; the latter was incorrectly parsing
the values.
* Makefile.in (rom68k-rom.o): Note that this now #includes value.h.
give us the absolute path to the source directory.
* configure: Regenerated.
* Makefile.in (GDBTK_SRC_DIR): Add variable so that
autoconf can substitue it in for us.
(gdbtk.o): Pass in GDBTK_SRC_DIR instead of srcdir. We
really do need an absolute pathname.
(GDBTK_LIBRARY): New variable to point to location where
gdbtk will install its tcl library. Changed all refereneces
to $(datadir)/insight1.0 to $(GDBTK_LIBRARY).
(SUBDIR_GDBTK_ALL): Remove "all-gdbtk". No longer needed.
(SUBDIR_GDBTK_CLEAN): Remove "clean-gdbtk". No longer needed.
(all-gdbtk): Remove.
(install-gdbtk): Remove.
(gdbtk.o): Pass srcdir to file when compiling.
Also from Ian Roxborough:
* Makefile.in: Changed all references to the install directory
"gdbtcl" to read "insight1.0".
(parser_defs_h, dis_asm_h, annotate_h, gdbthread_h): Define.
Replace parser-defs.h with $(parser_defs_h). Replace $(dis-asm_h)
and $(dis-asm.h) with $(dis_asm_h). Replace annotate.h with
$(annotate_h). Replace target.h with $(target_h). Replace
gdbthread.h with $(gdb_thread_h). Replace symfile.h with $(symfile_h).
* remote-e7000.c (fetch_regs_from_dump): If register set is null,
generate an internal error.
(e7000_fetch_registers): Initialize variable 'wanted'.
(e7000_wait): Initialize variable 'wanted_nopc'.
(e7000_store_register): Fix sprintf compiler warnings.
(sub2_from_pc): Ditto.
(e7000_open): Close the descriptor, not the name.
(e7000_load): Fix compiler warnings.
(sub2_from_pc): Ditto.
* Makefile.in (remote-e7000.o): Can now compile with -Werror.
include of "serial.h".
* Makefile.in (remote_utils_h): Update.
* monitor.h (struct serial): Declare as opaque. Remove include of
"serial.h".
(struct monitor_ops): Replace serial_t with `struct serial *'.
* monitor.c (monitor_desc): Ditto.
(Includes changes by Dan Berlin.)
* gnu-v3-abi.c: New file.
* minsyms.c: #include "value.h" and "cp-abi.h".
(install_minimal_symbols): Check the minimal symbol table for
symbols that look mangled in the V3 style, and select the V3 ABI
if we find any.
* Makefile.in (SFILES): Add gnu-v3-abi.c.
(COMMON_OBS): Add gnu-v3-abi.o.
(gnu-v3-abi.o): Add new rule.
(minsyms.o): Depend on $(cp_abi_h) and $(value_h).
and gdbtk-stack.o.
(SUBDIR_GDBTK_SRCS): Ditto for the sources.
(gdbtk-bp.o): New rule.
(gdbtk-register.o): New rule.
(gdbtk-stack.o): New rule.
(gdbtk-cmds.o): Update dependencies.
(gdbtk.o): Ditto.
(gdbtk-hooks.o): Ditto.
(gdbtk-varobj.o): Ditto.
Abstract out operations specific to particular C++ ABI's, and
invoke them through a function table. This removes the C++ ABI
dependencies scattered throughout the code, and allows us to
cleanly add support for new C++ ABI's.
* cp-abi.h, cp-abi.h, gnu-v2-abi.c, hpacc-abi.c: New files.
* c-typeprint.c, c-valprint.c, dbxread.c, eval.c, gdbtypes.c,
jv-typeprint.c, linespec.c, symtab.c, typeprint.c, valops.c:
#include "cp-abi.h". These files all use functions now declared
there.
* symtab.h (OPNAME_PREFIX_P, VTBL_PREFIX_P, DESTRUCTOR_PREFIX_P):
Deleted. These services are now provided by functions declared in
cp-abi.h.
* value.h (value_rtti_type, value_virtual_fn_field): Same.
* values.c (value_virtual_fn_field): Same, for this definition.
* valops.c (value_rtti_type): Same.
* c-typeprint.c (c_type_print_base): Use the functions from
"cp-abi.h", instead of the old macros, or hard-coded ABI-specific
tests.
* dbxread.c (record_minimal_symbol): Same.
* gdbtypes.c (get_destructor_fn_field, virtual_base_index,
virtual_base_index_skip_primaries): Same.
* jv-typeprint.c (java_type_print_base): Same.
* linespec.c (find_methods, decode_line_1): Same.
* symtab.c (gdb_mangle_name): Same.
* Makefile.in (SFILES): Add the new .c files mentioned above.
(cp_abi_h): New variable.
(COMMON_OBS): Add gnu-v2-abi.o, hpacc-abi.o, and cp-abi.o.
(cp-abi.o, gnu-v2-abi.o, hpacc-abi.o): New targets.
(c-typeprint.o, c-valprint.o, dbxread.o, eval.o, gdbtypes.o,
jv-typeprint.o, symtab.o, linespec.o, typeprint.o, valops.o): Add
dependency on $(cp_abi_h).
* ocd.c (ocd_xfer_memory): Ditto.
* ser-ocd.c (ocd_setstopbits): New function. Add to ocd_ops.
* MAINTAINERS: Document powerpc-eabi and powerpcle-eabi as
buildable with ,-Werror.
* Makefile.in (symfile_h): Define.
(mcore-tdep.o): Add $(symfile_h), $(gdbcore_h) and $(inferior_h).
* mcore-tdep.c: Include "symfile.h", "gdbcore.h" and "inferior.h".
* MAINTAINERS: Document mcore-elf and mcore-pe as buildable with
,-Werror.
* dsrec.c (make_srec): Fix internal_error fmt arg.
* MAINTAINERS: Document i960-coff as buildable with ,-Werror.
(fetch_register): New function, uses some of the guts of
go32_fetch_registers and i387_supply_register.
(go32_fetch_registers): Most of the code moved into
fetch_register. Use i387_supply_fsave.
(store_register): Use i387_fill_fsave instead of custom code.
(go32_store_registers): Use i387_fill_fsave.
* Makefile.in (go32-nat.o): Depend on i387-nat.h.
* config/i386/go32.mh (NATDEPFILES): Add i387-nat.o.
* infptrace.c (child_xfer_memory): Likewise.
* monitor.c (monitor_xfer_memory): Likewise.
* remote-adapt.c (adapt_xfer_inferior_memory): Likewise.
* remote-array.c (array_xfer_memory): Likewise.
* remote-bug.c (bug_xfer_memory): Likewise.
* remote-e7000.c (e7000_xfer_inferior_memory): Likewise.
* remote-eb.c (eb_xfer_inferior_memory): Likewise.
* remote-es.c (es1800_xfer_inferior_memory): Likewise.
* remote-mips.c (mips_xfer_memory): Likewise.
* remote-mm.c (mm_xfer_inferior_memory): Likewise.
* remote-nindy.c (nindy_xfer_inferior_memory): Likewise.
* remote-os9k.c (rombug_xfer_inferior_memory): Likewise.
* remote-rdi.c (arm_rdi_xfer_memory): Likewise.
* remote-rdp.c (remote_rdp_xfer_inferior_memory): Likewise.
* remote-sds.c (sds_xfer_memory): Likewise.
* remote-sim.c (gdbsim_xfer_inferior_memory): Likewise.
* remote-st.c (st2000_xfer_inferior_memory): Likewise.
* remote-udi.c (udi_xfer_inferior_memory): Likewise.
* remote-vx.c (vx_xfer_memory): Likewise.
* remote.c (remote_xfer_memory): Likewise.
* target.c (debug_to_xfer_memory, do_xfer_memory): Likewise.
* target.h (child_xfer_memory, do_xfer_memory, xfer_memory): Likewise.
* target.h (#include "memattr.h"): Added.
(target_ops.to_xfer_memory): Add attrib argument.
* wince.c (_initialize_inftarg): Removed call to set_dcache_state.
* dcache.h (set_dcache_state): Removed declaration.
* dcache.c (set_dcache_state): Removed definition
* dcache.c: Update module comment, as dcache is now enabled and
disabled with memory region attributes instead of by the global
variable "remotecache". Add comment describing the interaction
between dcache and memory region attributes.
(dcache_xfer_memory): Add comment describing benefits of moving
cache writeback to a higher level.
(dcache_struct): Removed cache_has_stuff field. This was used to
record whether the cache had been accessed in order to invalidate
it when it was disabled. However, this is not needed because the
cache is write through and the code that enables, disables, and
deletes memory regions invalidate the cache. Add comment which
suggests that we could be more selective and only invalidate those
cache lines containing data from those memory regions.
(dcache_invalidate): Updated.
(dcache_xfer_memory): Updated.
(dcache_alloc): Don't abort() if dcache_enabled_p is clear.
(dcache_xfer_memory): Removed code that called do_xfer_memory() to
perform a uncached transfer if dcache_enabled_p was clear. This
function is now only called if caching is enabled for the memory
region.
(dcache_info): Always print cache info.
* target.c (do_xfer_memory): Add attrib argument.
(target_xfer_memory, target_xfer_memory_partial): Break transfer
into chunks defined by memory regions, pass region attributes to
do_xfer_memory().
* dcache.c (dcache_read_line, dcache_write_line): Likewise.
* Makefile.in (SFILES): Add memattr.c.
(COMMON_OBS): Add memattr.o.
(dcache.o): Add target.h to dependencies.
* memattr.c: New file.
* memattr.h: Likewise.
(SUBDIR_CLI_SRCS): Add cli/cli-utils.c.
(cli_utils_h): New variable.
(cli/cli-utils.o): New rule.
* cli/cli-utils.c: New file.
* cli/cli-utils.h: New file.
* Makefile.in (UIOUT_CFLAGS): New macro. CFLAGS needed for uiout code
to be compiled. Defines UI_OUT.
(SUBDIR_MI_CFLAGS): Defines MI_OUT, not UI_OUT.
(INTERNAL_WARN_CFLAGS): Also include UIOUT_CFLAGS.
* configure.in (UIOUT_CFLAGS): New configuration variable.
(--with-uiout): New configuration option. Causes uiout code to
be compiled, instead of the old *printf one.
* configure: Regenerate.
* top.c (print_gdb_version): Test for and print MI_OUT, not UI_OUT.
* testsuite/lib/mi-support.exp (mi_gdb_start): Test for MI_OUT,
not UI_OUT.
* Makefile.in (CONFIG_LOBS): New macro. Configured to the files
that must be added to the gdblib itself.
(DEPFILES): Use CONFIG_LOBS, not CONFIG_OBS.
(INIT_FILES): Include CONFIG_OBS.
(gdb$(EXEEXT)): Depend on CONFIG_OBS and link with it.
(kdb): Ditto.
* configure.in (CONFIG_LOBS): New variable. Object files that must
be added to gdblib for the specific configuration.
* configure: Regenerate.
* Makefile.in (SUBDIR_GDBTK_OBS, SUBDIR_GDBTK_SRCS,
SUBDIR_GDBTK_DEPS, SUBDIR_GDBTK_INITS, SUBDIR_GDBTK_LDFLAGS,
SUBDIR_GDBTK_CFLAGS): New macros. For gdbtk subdir.
* configure.in: Fix typo. It is CONFIG_OBS not CONFIG_OJS.
Use the SUBDIR_GDBTK_* macros instead of hard coded file names.
* configure: Regenerate.
* cli/cli-decode.c: New file. Handle lists of commands, their decoding
and documentation.
(add_cmd, deprecate_cmd, add_abbrev_cmd, add_alias_cmd, add_prefix_cmd,
add_abbrev_prefix_cmd, not_just_help_class_command, empty_sfunc,
add_set_cmd, add_set_enum_cmd, add_set_auto_boolean_cmd,
add_show_from_set, delete_cmd, apropos_cmd, help_cmd, help_list,
help_all, print_doc_line, help_cmd_list, find_cmd, lookup_cmd_1,
undef_cmd_error, lookup_cmd, deprecated_cmd_warning,
lookup_cmd_composition, complete_on_cmdlist, complete_on_enum):
Moved here from command.c.
(add_info, add_info_alias, add_com, add_com_alias): Moved here from
top.c.
* cli/cli-decode.h: Definitions/declarations for the above.
* cli/cli-cmds.c: New file. GDB CLI commands.
(error_no_arg, info_command, show_command, help_command, show_version,
quit_command, pwd_command, cd_command, echo_command, shell_escape,
make_command, show_user, set_debug, show_debug, init_cmd_lists):
Moved here from top.c.
(apropos_command): Moved here from command.c.
(complete_command, source_command): Moved here (part) from top.c.
(is_complete_command): New function. Checks if a command is the
"complete" command.
(init_cli_cmds): New function. Add commands to the CLI (from code
previously in top.c.
* cli/cli-cmds.h: Definitions/declarations for the above.
* cli/cli-script.c: New file. GDB CLI command scripting.
(build_command_line, get_command_line, print_command_lines,
print_command_line, execute_user_command, execute_control_command,
while_command, if_command, arg_cleanup, setup_user_args, locate_arg,
insert_args, realloc_body_list, read_next_line,
recurse_read_control_structure, read_command_lines, free_command_lines,
do_free_command_lines_cleanup, make_cleanup_free_command_lines,
validate_comname, user_defined_command, define_command,
document_command, source_cleanup_lines, do_fclose_cleanup,
show_user_1): Moved here from top.c.
(script_from_file): New function. Implements execution of a script
contained in a file (part of code for the source_command() that used
to exist in top.c).
* cli/cli-script.h: Definitions/declarations for the above.
* cli/cli-setshow.c: New file. Handle set and show GDB CLI commands.
(parse_auto_binary_operation, parse_binary_operation,
do_setshow_command, cmd_show_list): Moved here from command.c.
* cli/cli-setshow.h: Definitions/declarations for the above.
* top.c: Remove all CLI code, except the command loop.
(gdb_init): Call init_cli_cmds().
* command.c: Remove obsolete file.
* command.h: Mark as DEPRECATED.
* gdbcmd.h: Ditto.
* call-cmds.h: Ditto.
* Makefile.in (SFILES): Remove command.c.
(COMMON_OBS): Remove command.o.
(command.o): Remove obsolete target.
(cli_decode_h, cli_cmds_h, cli_script_h, cli_setshow_h): New macros.
Refer to CLI header files.
(cli-decode.o, cli-cmds.o, cli-setshow.o, cli-script.o): New targets.
(SUBDIR_CLI_OBS, SUBDIR_CLI_SRCS, SUBDIR_CLI_DEPS, SUBDIR_CLI_INITS,
SUBDIR_CLI_LDFLAGS, SUBDIR_CLI_CFLAGS, SUBDIR_CLI_ALL, SUBDIR_CLI_CLEAN,
SUBDIR_CLI_INSTALL, SUBDIR_CLI_UNINSTALL): New macros for new cli
subdirectory.
* configure.in (enable_gdbcli): New option. Include the CLI in the
executable (cannot be disabled yet).
(CONFIG_OBS, CONFIG_DEPS, CONFIG_SRCS, CONFIG_INITS, ENABLE_CFLAGS,
CONFIG_ALL, CONFIG_CLEAN, CONFIG_INSTALL, CONFIG_UNINSTALL): Add
the corresponding SUBDIR_CLI_* macros if CLI requested.
* configure: Regenerate.
* linespec.h: New file. Declarations for linespec.c.
* linespec.c, alpha-tdep.c, breakpoint.c, parse.c, source.c,
symtab.c, tracepoint.c: Include the above.
* completer.c: New file. Line completion stuff for GDB.
(get_gdb_completer_word_break_characters,
get_gdb_completer_quote_characters): New functions. Accessors for
useful completer internal data.
(filename_completer, line_completion_function, skip_quoted): Moved
here from top.c.
* completer.h: New file. Declarations for the above.
* linespec.c (decode_line_1): Use
get_gdb_completer_word_break_characters and
get_gdb_completer_quote_characters.
* top.c: Include completer.h.
(filename_completer, line_completion_function, skip_quoted):
Moved to completer.c.
* corefile.c, exec.c, source.c, symfile.c, linespec.c: Include
completer.h.
* Makefile.in (SFILES): Add completer.c.
(COMMON_OBS): Add completer.o.
(completer.o): New target.
(linespec.o, alpha-tdep.o, breakpoint.o, parse.o, source.o,
symtab.o, tracepoint.o): Add linespec.h to dependencies list.
(corefile.o, exec.o, source.o, symfile.o, linespec.o): Add completer.h
to dependencies list.
SOLIB_SYMBOLS_MANUAL code, cleanup of AIX shared library handling code.
* rs6000-nat.c (vmap_symtab): Do not try to modify offsets
if symbols are not yet loaded.
(vmap_add_symbols): New function to add symbols for a vmap entry.
(add_vmap): Turn errors into warnings, return NULL vmap upon
failure. Add symbols via vmap_add_symbols only if requested.
(xcoff_relocate_core): Allow debugging of core files without an
executable file. Handle NULL returns from add_vmap gracefully.
* xcoffsolib.c (solib_add): Remove, no longer needed.
(solib_info): Do not check for new shared libraries if there is no
inferior process.
(sharedlibrary_command): Made static.
Do not check for new shared libraries if there is no inferior process.
Add symbols for requested shared libraries via vmap_add_symbols.
(_initialize_solib): Add `set auto-solib-add' command.
* xcoffsolib.h (vmap_add_symbols): Add prototype declaration.
* config/rs6000/tm-rs6000.h (PC_LOAD_SEGMENT): Move from here ...
* config/rs6000/nm-rs6000.h: ... to here, this is an AIX native
feature.
* config/powerpc/tm-macos.h, config/powerpc/tm-ppc-eabi.h,
config/powerpc/tm-ppc-nw.h, config/rs6000/tm-rs6000ly.h:
Remove #undef PC_LOAD_SEGMENT.
* config/powerpc/aix.mt, config/rs6000/aix4.mt, config/rs6000/rs6000.mt
(TDEPFILES): Move xcoffsolib.o from here ...
* config/powerpc/aix.mh, config/rs6000/aix4.mh, config/rs6000/rs6000.mh
(NATDEPFILES): ... to here, xcoffsolib.o contains AIX native code
only.
* rs6000-tdep.c: Remove #include xcoffsolib.h, no longer needed.
* xcoffsolib.h (xcoff_relocate_symtab_hook): Remove declaration.
* rs6000-nat.c (_initialize_core_rs6000): Remove setting of
xcoff_relocate_symtab_hook, no longer needed.
* xcoffsolib.c (solib_info, sharedlibrary_command): Remove
xcoff_relocate_symtab_hook indirection, call xcoff_relocate_symtab
directly, as xcoffsolib.c is now compiled in native AIX configurations
only.
* Makefile.in: Update dependencies for rs6000-tdep.o, rs6000-nat.o
and xcoffsolib.o.
support. Incorporate most of tm-rs6000.h.
(find_toc_address_hook): Rename to rs6000_find_toc_address_hook.
(rs6000_set_host_arch_hook): Declare.
(read_memory_addr): Define.
(pop_frame): Rename to rs6000_pop_frame.
(rs6000_pop_frame, rs6000_fix_call_dummy, rs6000_push_arguments,
rs6000_frame_saved_pc, rs6000_frame_chain): Remove non-generic
dummy frame handling.
(branch_dest, rs6000_pop_frame, rs6000_skip_trampoline_code,
rs6000_frame_saved_pc, frame_get_saved_regs,
frame_initial_stack_address, rs6000_frame_chain,
rs6000_convert_from_func_ptr_addr): Call read_memory_addr instead
of read_memory_integer.
(branch_dest, rs6000_pop_frame, rs6000_push_arguments,
rs6000_skip_trampoline_code, rs6000_frame_saved_pc,
frame_get_saved_regs, frame_initial_stack_address,
rs6000_frame_chain): Replace 4 with TDEP->wordsize.
(skip_prologue): Recognize some 64-bit stack adjustments.
(push_dummy_frame, pop_dummy_frame, set_processor,
show_processor): Delete.
(frame_get_saved_regs): Manipulate saved register addresses using
CORE_ADDR instead of int.
(rs6000_create_inferior): New function.
(register_names_*[]): Change to struct reg registers_*[].
(variants[]): Assimilate into multi-arch approach.
(register_names_*[], variants[]): Refer to pre-PowerPC
architectures as POWER instead of RS6000.
* rs6000-nat.c: Ubiquitous changes for 64-bit support.
(vmap_secs, xcoff_relocate_symtab): Cast addresses
to unsigned long to avoid sign-extension errors.
(set_host_arch): New function.
(xcoff_relocate_symtab): Try disabling usleep(36000) workaround.
(rs6000_core_fns): Use new bfd_target_xcoff_flavour.
(_initialize_core_rs6000): Initialize rs6000_set_host_arch_hook.
* symfile.c (find_sym_fns): Remove special xcoff kludge.
* xcoffread.c (secnum_to_bfd_section): Initialize args.objfile.
(process_linenos): Query line struct size from coff
backend instead of using compile-time constant.
(enter_line_range): Likewise.
(read_xcoff_symtab): Pass "XCOFF64" instead of "XCOFF" to
record_debugformat() if appropriate.
(process_xcoff_symbol): Access symbol addresses using
SYMBOL_VALUE_ADDRESS instead of SYMBOL_VALUE.
(read_symbol_lineno): Retrieve XCOFF64 symbol names from strtbl.
(scan_xcoff_symtab): Likewise. Query syment struct size from
coff backend instead of using compile-time constant.
(xcoff_sym_fns): Set flavour to bfd_target_xcoff_flavour.
* Makefile.in (INTERNAL_LDFLAGS): Add $(MH_LDFLAGS) to list of flags
that this Makefile variable get set to. (From Kevin Buettner.)
* config/powerpc/aix.mh (MH_LDFLAGS): Add linker flags so that
the TOC doesn't overflow. (From Kevin Buettner.)
* config/powerpc/tm-ppc-aix.h: Move config decisions to
multi-arched rs6000-tdep.c.
* config/rs6000/tm-rs6000.h: Likewise.
(GDB_MULTI_ARCH): Define.
(skip_trampoline_code): Rename to rs6000_skip_trampoline_code.
(is_magic_function_pointer): Replace with
rs6000_convert_from_func_ptr_addr.
(TARGET_CREATE_INFERIOR_HOOK): Define.
(find_toc_address_hook): Rename to rs6000_find_toc_address_hook.
(rs6000_set_host_arch_hook): Declare.
* config/rs6000/nm-rs6000.h (CHILD_XFER_MEMORY): Define.
arch-utils.{h,c}. The ``set architecutre'' and ``set endian''
commands (part of the move) were implemented to use add_set_enum_cmd()
so that ``set architecture <tab>'' works.
