an integral number of times.
* language.c (binop_type_check): Extend BINOP_CONCAT for self
concatenation case.
* valarith.c (value_concat): Rewrite to support self
concatenation an integral number of times.
**** start-sanitize-chill ****
* Makefile.in (ch-exp.tab.c): Change "expect" message.
* ch-exp.y (FIXME's): Make all FIXME tokens distinct, to
eliminate hundreds of spurious shift/reduce and reduce/reduce
conflicts that mask the 5 real ones.
* ch-exp.y (STRING, CONSTANT, SC): Remove unused tokens.
* ch-exp.y (integer_literal_expression): Remove production,
no longer used.
**** end-sanitize-chill ****
implied that "no side effects" was nonfunctional.
* eval.c (evaluate_subexp): Add BINOP_CONCAT case to deal with
character string and bitstring concatenation.
* expprint.c (dump_expression): Add case for BINOP_CONCAT.
* expression.h (exp_opcode): Add BINOP_CONCAT.
* gdbtypes.h (type_code): Add TYPE_CODE_BITSTRING.
* language.c (string_type): Add function to determine if a type
is a string type.
* language.c (binop_type_check): Add case for BINOP_CONCAT.
* valarith.c (value_concat): New function to concatenate two
values, such as character strings or bitstrings.
* valops.c (value_string): Remove error stub and implement
function body.
* value.h (value_concat): Add prototype.
**** start-sanitize-chill ****
* ch-exp.y (operand_3): Add actions for SLASH_SLASH (//).
* ch-exp.y (yylex): Recognize SLASH_SLASH.
* ch-lang.c (chill_op_print_tab): Add SLASH_SLASH (//) as
BINOP_CONCAT.
**** end-sanitize-chill ****
* eval.c (evaluate_subexp): Handle new BINOP_MOD.
* expprint.c (dump_expression): Handle new BINOP_MOD.
* language.c (binop_type_check): Handle new BINOP_MOD.
* main.c (float_handler): Re-enable float handler when hit.
* valarith.c (language.h): Include, need current_language.
* valarith.c (TRUNCATION_TOWARDS_ZERO): Define default macro
for integer divide truncates towards zero for negative results.
* valarith.c (value_x_binop): Handle BINOP_MOD if seen.
* valarith.c (value_binop): Allow arithmetic operations on
TYPE_CODE_CHAR variables. Add case to handle new BINOP_MOD.
**** start-sanitize-chill ****
* ch-exp.y (operand_4): Add useful actions for MOD and REM.
* ch-exp.y (tokentab3): Add MOD and REM.
* ch-exp.y (yylex): Set innermost_block for symbols found
in local scopes. Return LOCATION_NAME for local symbols.
* ch-lang.c (chill_op_print_tab): Fix MOD entry to use
BINOP_MOD instead of BINOP_REM. Add REM entry, using BINOP_REM.
**** end-sanitize-chill ****
* defs.h (demangle_and_match): Remove prototype.
* dwarfread.c (STREQ, STREQN): Remove macros, replaced with STREQ
and STREQN defined in defs.h.
* dwarfread.c (set_cu_language): For completely unknown languages,
try to deduce the language from the filename. Retain behavior
that for known languages we don't know how to handle, we use
language_unknown.
* dwarfread.c (enum_type, symthesize_typedef): Initialize language
and demangled name fields in symbol.
* dwarfread.c, mipsread.c, partial-stab.h: For all usages of
ADD_PSYMBOL_TO_LIST, add language and objfile parameters.
* dwarfread.c (new_symbol): Attempt to demangle C++ symbol names
and cache the results in SYMBOL_DEMANGLED_NAME for the symbol.
* elfread.c (STREQ): Remove macro, use STREQ defined in defs.h.
Replace usages throughout.
* elfread.c (demangle.h): Include.
* elfread.c (record_minimal_symbol): Remove prototype and function.
* gdbtypes.h, symtab.h (B_SET, B_CLR, B_TST, B_TYPE, B_BYTES,
B_CLRALL): Moved from symtab.h to gdbtypes.h.
* infcmd.c (jump_command): Remove code to demangle name and add
it to a cleanup list. Now just use SYMBOL_DEMANGLED_NAME.
* minsyms.c (demangle.h): Include.
* minsyms.c (lookup_minimal_symbol): Indent comment to match code.
* minsyms.c (install_minimal_symbols): Attempt to demangle symbol
names as C++ names, and cache them in SYMBOL_DEMANGLED_NAME.
* mipsread.c (psymtab_language): Add static variable.
* stabsread.c (demangle.h): Include.
* stabsread.c (define_symbol): Attempt to demangle C++ symbol
names and cache them in the SYMBOL_DEMANGLED_NAME field.
* stack.c (return_command): Remove explicit demangling of name
and use of cleanups. Just use SYMBOL_DEMANGLED_NAME.
* symfile.c (demangle.h): Include.
* symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list): Fix
to match macros in symfile.h and allow them to be compiled
if INLINE_ADD_PSYMBOL is not true.
* symfile.h (INLINE_ADD_PSYMBOL): Default to true if not set.
* symfile.h (ADD_PSYMBOL_*): Add language and objfile parameters.
Add code to demangle and cache C++ symbol names. Use macro form
if INLINE_ADD_PSYMBOL is true, otherwise use C function form.
* symmisc.c (add_psymbol_to_list, add_psymbol_addr_to_list):
Remove, also defined in symfile.c, which we already fixed.
* symtab.c (expensive_mangler): Remove prototype and function.
* symtab.c (find_methods): Remove physnames parameter and fix
prototype to match.
* symtab.c (completion_list_add_symbol): Name changed to
completion_list_add_name.
* symtab.c (COMPLETION_LIST_ADD_SYMBOL): New macro, adds both
the normal symbol name and the cached C++ demangled name.
* symtab.c (lookup_demangled_partial_symbol,
lookup_demangled_block_symbol): Remove prototypes and functions.
* symtab.c (lookup_symbol): Remove use of expensive_mangler,
use lookup_block_symbol instead of lookup_demangled_block_symbol.
Remove code to try demangling names and matching them.
* symtab.c (lookup_partial_symbol, lookup_block_symbol):
Fix to try matching the cached demangled name if no match is
found using the regular symbol name.
* symtab.c (find_methods): Remove unused physnames array.
* symtab.c (name_match, NAME_MATCH): Remove function and macro,
replaced with SYMBOL_MATCHES_REGEXP from symtab.h.
* symtab.c (completion_list_add_symbol): Rewrite to use cached
C++ demangled symbol names.
* symtab.h: Much reformatting of structures and such to add
whitespace to make them more readable, and make them more
consistent with other gdb structure definitions.
* symtab.h (general_symbol_info): New struct containing fields
common to all symbols.
* symtab.h (SYMBOL_LANGUAGE, SYMBOL_DEMANGLED_NAME,
SYMBOL_SOURCE_NAME, SYMBOL_LINKAGE_NAME, SYMBOL_MATCHES_NAME,
SYMBOL_MATCHES_REGEXP, MSYMBOL_INFO, MSYMBOL_TYPE): New macros.
* symtab. (struct minimal_symbol, struct partial_symbol, struct
symbol): Use general_symbol_info struct.
* utils.c (demangle_and_match): Remove, no longer used.
* valops.c (demangle.h): Include.
* xcoffexec.c (eq): Remove macro, replace usages with STREQ.
* blockframe.c, breakpoint.c, c-exp.y, c-valprint.c, dbxread.c,
infcmd.c, m2-exp.y, minsyms.c, objfiles.h, solib.c, stack.c,
symmisc.c, symtab.c, valops.c: Replace references to minimal
symbol fields with appropriate macros.
* breakpoint.c, buildsym.c, c-exp.y, c-typeprint.c, c-valprint.c,
coffread.c, command.c, convex-tdep.c, cp-valprint.c, dbxread.c,
demangle.c, elfread.c, energize.c, environ.c, exec.c,
gdbtypes.c, i960-tdep.c, infrun.c, infrun-hacked.c, language.c,
main.c, minsyms.c, mipsread.c, partial-stab.h, remote-es1800.c,
remote-nindy.c, remote-udi.c, rs6000-tdep.c, solib.c, source.c,
sparc-pinsn.c, stabsread.c, standalone.c, state.c, stuff.c,
symfile.c, symmisc.c, symtab.c, symtab.h, tm-sysv4.h,
tm-ultra3.h, values.c, xcoffexec.c, xcoffread.c: Replace strcmp
and strncmp usages with STREQ, STREQN, or STRCMP as appropriate.
* breakpoint.c, buildsym.c, c-typeprint.c, expprint.c, findvar.c,
mipsread.c, printcmd.c, source.c, stabsread.c, stack.c,
symmisc.c, tm-29k.h, valops.c, values.c: Replace SYMBOL_NAME
references with SYMBOL_SOURCE_NAME or SYMBOL_LINKAGE_NAME as
appropriate.
* buildsym.c (start_subfile, patch_subfile_names): Default the
source language to what can be deduced from the filename.
* buildsym.c (end_symtab): Update the source language in the
allocated symtab to match what we have been using.
* buildsym.h (struct subfile): Add a language field.
* c-typeprint.c (c_print_type): Remove code to do explicit
demangling.
* dbxread.c (psymtab_language): Add static variable.
* dbxread.c (start_psymtab): Initialize psymtab_language using
deduce_language_from_filename.
* Makefile.in (SFILES_MAINDIR): Add typeprint.c, c-typeprint.c,
m2-typeprint.c, c-valprint.c cp-valprint.c m2-valprint.c.
* Makefile.in (HFILES): Add valprint.h.
* Makefile.in (OBS): Add typeprint.o, c-typeprint.o,
m2-typeprint.o, c-valprint.o, cp-valprint.o m2-valprint.o.
* typeprint.c, typeprint.h: New files for language independent
type printing functions.
* c-typeprint.c, m2-typeprint.c: New files for language dependent
type printing functions and definitions.
* valprint.h: New include file for language independent value
printing definitions.
* c-valprint.c, cp-valprint.c, m2-valprint.c: New files for language
dependent value printing functions.
* c-exp.y (production ptype): Add range_type variable and use new
create_range_type function.
* c-exp.y (tokentab2, tokentab3), c-lang.c (c_op_print_tab),
infcmd.c (path_var_name), language.c (unk_op_print_tab),
m2-lang.c (m2_op_print_tab): Change from ANSI-obsolescent
"const static" to ANSI-conformant "static const".
* c-exp.y (c_create_fundamental_type): Remove unused nbytes.
* c-exp.y (c_language_defn, cplus_language_defn): Add c_print_type,
and c_val_print.
* c-lang.h (c_print_type, c_val_print): Add prototypes.
* coffread.c (decode_type): Add range_type variable and call to
new create_range_type function.
* complaints.c (complain): Remove unused val variable.
* complaints.c (_initialize_complaints): Make it void.
* convex-tdep.c (value_of_trapped_internalvar): Add range_type
variable and call new create_range_type function.
* defs.h (enum val_prettyprint): Move enum from value.h to here
so we can avoid having to include value.h just for prototypes that
need the enum (thanks ANSI).
* dwarfread.c (struct_type): Local anonymous_size variable is
only used if !BITS_BIG_ENDIAN.
* dwarfread.c (decode_subscript_data_item): Add rangetype
variable and call new create_range_type function.
* elfread.c (elf_symfile_read): Remove unused dbx and text_sect
variables.
* eval.c (evaluate_subexp): Remove unused local variable name
and the statement with no side effects that initializes it.
* expprint.c (print_subexp): Change local_printstr to
LA_PRINT_STRING.
* gdbtypes.c (create_range_type): New function that creates
a range type using code fragments from object file readers as
an example of what has to be initialized.
* gdbtypes.c (create_array_type): Removed index_type, low_bound,
and high_bound parameters, replaced with a single range_type
parameter. Change function body to use passed in range_type
rather than handcrafting one.
* gdbtypes.h (create_range_type): Add prototype.
* gdbtypes.h (create_array_type): Change prototype parameters.
* infrun.c (normal_stop): Remove unused local variables tem and c.
* infrun.c (hook_stop_stub): Return 0 rather than random value.
* language.c (unk_lang_print_type, unk_lang_val_print): Add
stub functions that call error if called.
* language.c (unknown_language_defn, auto_language_defn,
local_language_defn): Add initializers unk_lang_print_type and
unk_lang_val_print.
* language.h (struct language_defn): Reformat for larger
comments, add la_print_type and la_val_print members. Add
LA_PRINT_TYPE and LA_VAL_PRINT macros. Change local_printchar
to LA_PRINT_CHAR and local_printstr to LA_PRINT_STRING.
* m2-lang.c (m2_create_fundamental_type): Remove unused local
variable nbytes.
* m2-lang.c (m2_language_defn): Add initializers m2_print_type
and m2_val_print.
* m2-lang.h (m2_print_type, m2_val_print): Add prototypes.
* main.c (execute_command): Remove unused local variable cmdlines.
* main.c (echo_command), stabsread.c (read_type), printcmd.c
(clear_displays), symmisc.c (block_depth), values.c
(clear_value_history):
Make testing of truth value of assignment result explicit.
* mipsread.c (upgrade_type): Update FIXME to include future use
of create_range_type.
* printcmd.c (ptype_command, ptype_eval, whatis_command,
whatis_exp, maintenance_print_type): Move prototypes and functions
to new typeprint.c.
* printcmd.c (_initialize_printcmd): Move add_com calls for
ptype_command and whatis_command to new typeprint.c.
* ser-bsd.c (serial_open): Remove unused variable sgttyb.
* source.c (find_source_lines): Local variable c only used
when LSEEK_NOT_LINEAR is defined.
* stabsread.c (read_array_type): Use new create_range_type
function.
* stabsread.c (read_range_type): Add new index_type variable and
call new create_range_type function rather than handcrafting
range types.
* symmisc.c (type_print_1): Change usages to LA_PRINT_TYPE.
* symtab.c (typedef_print usages): Use c_typedef_print, renamed.
* symtab.c (type_print_base usages): Use c_type_print_base.
* symtab.c (type_print_varspec_prefix usages): Use
c_type_print_varspec_prefix.
* symtab.c (type_print_method_args usages): Use
cp_type_print_method_args.
* valprint.c: Completely ripped apart and the fragments used
to create c-valprint.c, cp-valprint.c, m2-valprint.c, and
valprint.h. Remaining stuff is language independent.
* value.h (struct fn_field): Forward declare for prototypes.
* value.h (type_print_1): Remove prototype.
* value.h (enum val_prettyprint): Moved to defs.h.
* value.h (typedef_print): Prototype renamed to c_typedef_print.
* value.h (baseclass_offset): Add prototype.
**** start-sanitize-chill ****
* Makefile.in (SFILES_MAINDIR): Add ch-typeprint.c, ch-valprint.c.
* Makefile.in (OBS): Add ch-typeprint.o, ch-valprint.o.
* ch-typeprint.c: New file for language dependent type printing.
* ch-valprint.c: New file for language dependent value printing.
* ch-exp.y (parse_number): Remove prototype and stub function.
* ch-exp.y (decode_integer_literal): Removed unused digits and
temp variables.
* ch-exp.y (convert_float): Completely ifdef out for now.
* ch-exp.y (tokentab2, tokentab3, tokentab4, tokentab5),
ch-lang.c (chill_op_print_tab):
Change from ANSI-obsolescent "const static" to ANSI-conformant
"static const".
* ch-exp.y (yylex): Add unhandled storage class enumeration
literals to switch statement for completeness.
* ch-lang.c (chill_create_fundamental_types): Remove unused
nbytes variable. Change dummy type to 2 bytes to match int.
Handle FT_VOID types gratuituously added to chill DWARF by
compiler. Change FT_CHAR case to generate an TYPE_CODE_CHAR
type rather than a one byte TYPE_CODE_INT type.
* ch-lang.c (chill_language_defn): Add chill_print_type and
chill_val_print.
* ch-lang.h (chill_print_type, chill_val_print): Add prototypes.
**** end-sanitize-chill ****
language specific fundamental types for C.
* m2-exp.y (m2_create_fundamental_type): New function to create
language specific fundamental types for Modula 2.
* c-exp.y (c_language_defn, cplus_language_defn): Add
c_create_fundamental_type to language struct initializers.
* m2-exp.y (m2_language_defn): Add m2_create_fundamental_type
to language struct initializers.
* dwarfread.c (expression.h, language.h): Include.
* dwarfread.c (ftypes): New array to hold fundamental types
for current compilation unit.
* dwarfread.c (cu_language_defn): New pointer to language
struct for language of current compilation unit.
* dwarfread.c (dwarf_fundamental_type): New function to
create/lookup fundamental types.
* dwarfread.c (set_cu_language): Initialize cu_language_defn.
* dwarfread.c (throughout): Replace lookup_fundamental_type
with dwarf_fundamental_type.
* dwarfread.c (read_file_scope): Zero out ftypes for each new
compilation unit (may be different language or different objfile).
* gdbtypes.c (lookup_fundamental_type): Move actual type
creations into language specific fundamental type creation
functions and call via create_fundamental_type. Add comment
about this function being obsolescent.
* gdbtypes.h (FT_BYTE, FT_UNSIGNED_BYTE): New types, true byte
sized signed and unsigned integers.
* gdbtypes.h (FT_NUM_MEMBERS): Increment, new types added.
* language.c (language_def): New function to lookup a language
struct given it's enumeration.
* language.h (struct language_defn): Add la_fund_type, a pointer
to a function that creates fundamental types for this language.
* language.h (create_fundamental_type): New macro to create
fundamental types based on the current language.
* language.h (language_def): Add prototype.
* language.c (unk_lang_create_fundamental_type): New function
for initializing language structs, calls error if called.
* language.c (unk_language_defn, auto_language_defn,
local_language_defn): Use unk_lang_create_fundamental_type.
**** start-sanitize-chill ****
ch-exp.y (chill_create_fundamental_type): New function.
ch-exp.y (chill_language_defn): Add chill_create_fundamental_type.
ch-exp.y (_initialize_chill_exp): BOOL types are only one byte.
**** end-sanitize-chill ****
* defs.h (printchar): Replace with gdb_printchar.
* language.h (language_defn): Add new function pointers
la_printchar and la_printstr, to do language dependent
printing of characters and strings.
* language.h (local_printchar, local_printstr): New macros
to call language dependent functions pointed to by la_printchar
and la_printstr respectively.
* c-exp.y (emit_char, c_printchar, c_printstr): New language
dependent functions for printing characters and strings.
* c-exp.y (c_language_defn, cplus_language_defn): Add
c_printchar and c_printstr.
* command.c (do_setshow_command): Rename printchar use to
gdb_printchar.
* expprint.c (print_subexp): Replace C style string output
with call to local_printstr.
* language.c (unk_lang_printchar, unk_lang_printstr):
New stubs, currently errors.
* language.c (unknown_language_defn, auto_language_defn,
local_language_defn): Add unk_lang_printchar and
unk_lang_printstr.
* m2-exp.y (emit_char, m2_printchar, m2_printstr): New
language dependent functions to print characters and strings.
* m2-exp.y (m2_language_defn): Add m2_printchar and m2_printstr.
* utils.c (printchar): Renamed to gdb_printchar.
* valprint.c (print_string): Remove prototype, function moved
to c-exp.y, where it becomes c_printstr.
* valprint.c (print_max): Made global for reference from the
language dependent printing routines in *-exp.y.
* valprint.c (repeat_count_threshold): New variable with function
of old REPEAT_COUNT_THREHOLD define, but now settable by user.
Change all references to old macro to references to new variable.
* valprint.c (value_print, val_print): Replace calls to
print_string with calls to local_printstr.
* valprint.c (val_print): Replace C style character printing
with call to local_printchar.
* valprint.c (val_print): Add case for TYPE_CODE_CHAR.
* valprint.c (_initialize_valprint): Add add_show_from_set
call for setting up repeat_count_threshold as print variable.
**** start-sanitize-chill ****
* ch-exp.y (decode_integer_value): New function.
* ch-exp.y (decode_integer_literal): Use decode_integer_value.
* ch-exp.y (chill_printchar, chill_printstr): New language
dependent functions for printing characters and strings.
* ch-exp.y (chill_language_defn): Add chill_printchar and
chill_printstr.
**** end-sanitize-chill ****
local formatting information.
* language.h (language_defn): Replace individual format info
with language_format_info structs.
* language.h (local_*_format, local_*_format_prefix,
local_*_format_specifier, local_*_format_suffix): New macros
for binary/octal/decimal/hex formats to access info elements.
* c-exp.y (c_language_defn): Update for new format handling.
* m2-exp.y (m2_language_defn): Update for new format handling.
* dbxread.c (language.h): Include for partial-stab.h use.
* defs.h (local_hex_format, local_hex_format_custom,
local_hex_string, local_hex_string_custom): Move to language.h.
* language.c (local_hex_format_custom, local_hex_string,
local_hex_string_custom, local_octal_format_custom): Use new
format handling.
* language.c (unknown_language_defn, auto_language_defn,
local_language_defn): Update for new format handling.
* printcmd.c (print_scalar_formatted): Use new macros
to access decimal and binary format info for printing.
**** start-sanitize-chill ****
* c-exp.y (chill_language_defn): Update for new format handling.
* ch-exp.y (CHARACTER_LITERAL): Add support to yylex.
* ch-exp.y (match_integer_literal): Add function.
* ch-exp.y (builtin_type_chill_char): Add definition.
* gdbtypes.h (builtin_type_chill_char): Add declaration.
**** end-sanitize-chill ****
* Makefile.in (SFILES_MAINDIR): Add new file maint.c.
* Makefile.in (OBS): Add new file maint.o.
* defs.h (command_class): Add class_maintenance.
* defs.h (MAINTENANCE_CMDS): Default to including maintenance
commands. Allow for them (and other nonessential parts of gdb)
to be selectively left out under special circumstances.
* gdbtypes.c (recursive_dump_type): New function; supports
maintenance print-type command.
* gdbtypes.h (recursive_dump_type, maintenance_print_type):
Add prototypes.
* main.c (maintenancelist, maintenanceinfolist): Add maintenance
command lists.
* main.c (initialize_cmd_lists): Eliminate unnecessary casts on
initializers. Add initializations for setprintlist, showprintlist,
setchecklist, showchecklist, maintenancelist, and maintenanceinfolist.
* printcmd.c (maintenance_print_type): New maintenance cmd.
* valprint.c (setprintlist, showprintlist): Move to main.c, as
implied by comment that all cmd lists are owned by main.c.
* infcmd.c (unsetlist): Move to main.c, as implied by comment
that all cmd lists are owned by main.c.
* language.c (setchecklist, showchecklist): Move to main.c, as
implied by comment that all cmd lists are owned by main.c
* breakpoint.c (enablelist, enablebreaklist, disablelist, cmdlist,
deletelist): Remove redundant declarations (also in gdbcmd.h).
* symmisc.c (printsyms_command): Now maintenance_print_symbols.
* symmisc.c (printmsyms_command): Now maintenance_print_msymbols.
* symmisc.c (printpsyms_command): Now maintenance_print_psymbols.
* symmisc.c (printobjfiles_command): Now maintenance_print_objfiles.
* symtab.h (maintenance_print_symbols, maintenance_print_psymbols,
maintenance_print_msymbols, maintenance_print_objfiles):
Add prototypes.
* symmisc.c (printsyms_command, printpsyms_command,
printmsyms_command, printobjfiles_command): Removed from
_initialize_symmisc.
* main.c (dump_me_command): Moved to maint.c and renamed to
maintenance_dump_me.
* breakpoint.c (all_breakpoints_info): Rename to
maintenance_info_breakpoints.
* breakpoint.c (_initialize_breakpoint): Convert add_info of
all_breakpoints_info to add maintenance_info_breakpoints to the
maintenanceinfolist instead.
main.c (initialize_main): Set up maintenance class commands.
symtab.h, tm-i386v4.h, valprint.c, values.c: Lint.
* breakpoint.c, c-exp.y, coffread.c, command.c, environ.c, eval.c,
findvar.c, infcmd.c, infptrace.c, infrun.c, m2-exp.y, parse.c,
putenv.c, solib.c, sparc-xdep.c, symtab.c, tm-i386v.h, tm-sparc.h,
utils.c, valarith.c, valops.c, valprint.c, values.c:
Replace bcopy() use with memcpy(), which is more standard and can
take advantage of gcc's builtin functions for increased performance.
* breakpoint.c, buildsym.c, coffread.c, dbxread.c, i386-tdep.c,
ieee-float.c, infcmd.c, sparc-tdep.c, stack.c, symtab.c, symtab.h,
target.c, values.c:
Replace bzero() use with memset(), which is more standard and can
take advantage of gcc's builtin functions for increased performance.
* i386-tdep.c, main.c, valprint.c:
Replace bcmp() use with memcmp(), which is more standard and can
take advantage of gcc's builtin functions for increased performance.
* All GDB files that #include defs.h: Removed stdio.h.
(defs.h): #include stdio.h.
This has been tested by building GDBs for all targets hosted on Sun4.
None of the build problems were related to stdio.h inclusion. (n.b.
many configurations don't build for other reasons.)
