1 /* Print values for GDB, the GNU debugger.
3 Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
4 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
5 2009, 2010, 2011 Free Software Foundation, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #include "gdb_string.h"
33 #include "floatformat.h"
35 #include "exceptions.h"
37 #include "python/python.h"
42 /* Prototypes for local functions */
44 static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr,
45 int len, int *errnoptr);
47 static void show_print (char *, int);
49 static void set_print (char *, int);
51 static void set_radix (char *, int);
53 static void show_radix (char *, int);
55 static void set_input_radix (char *, int, struct cmd_list_element *);
57 static void set_input_radix_1 (int, unsigned);
59 static void set_output_radix (char *, int, struct cmd_list_element *);
61 static void set_output_radix_1 (int, unsigned);
63 void _initialize_valprint (void);
65 #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */
67 struct value_print_options user_print_options =
69 Val_pretty_default, /* pretty */
70 0, /* prettyprint_arrays */
71 0, /* prettyprint_structs */
76 PRINT_MAX_DEFAULT, /* print_max */
77 10, /* repeat_count_threshold */
78 0, /* output_format */
80 0, /* stop_print_at_null */
82 0, /* print_array_indexes */
84 1, /* static_field_print */
85 1, /* pascal_static_field_print */
90 /* Initialize *OPTS to be a copy of the user print options. */
92 get_user_print_options (struct value_print_options *opts)
94 *opts = user_print_options;
97 /* Initialize *OPTS to be a copy of the user print options, but with
98 pretty-printing disabled. */
100 get_raw_print_options (struct value_print_options *opts)
102 *opts = user_print_options;
103 opts->pretty = Val_no_prettyprint;
106 /* Initialize *OPTS to be a copy of the user print options, but using
107 FORMAT as the formatting option. */
109 get_formatted_print_options (struct value_print_options *opts,
112 *opts = user_print_options;
113 opts->format = format;
117 show_print_max (struct ui_file *file, int from_tty,
118 struct cmd_list_element *c, const char *value)
120 fprintf_filtered (file,
121 _("Limit on string chars or array "
122 "elements to print is %s.\n"),
127 /* Default input and output radixes, and output format letter. */
129 unsigned input_radix = 10;
131 show_input_radix (struct ui_file *file, int from_tty,
132 struct cmd_list_element *c, const char *value)
134 fprintf_filtered (file,
135 _("Default input radix for entering numbers is %s.\n"),
139 unsigned output_radix = 10;
141 show_output_radix (struct ui_file *file, int from_tty,
142 struct cmd_list_element *c, const char *value)
144 fprintf_filtered (file,
145 _("Default output radix for printing of values is %s.\n"),
149 /* By default we print arrays without printing the index of each element in
150 the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */
153 show_print_array_indexes (struct ui_file *file, int from_tty,
154 struct cmd_list_element *c, const char *value)
156 fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value);
159 /* Print repeat counts if there are more than this many repetitions of an
160 element in an array. Referenced by the low level language dependent
164 show_repeat_count_threshold (struct ui_file *file, int from_tty,
165 struct cmd_list_element *c, const char *value)
167 fprintf_filtered (file, _("Threshold for repeated print elements is %s.\n"),
171 /* If nonzero, stops printing of char arrays at first null. */
174 show_stop_print_at_null (struct ui_file *file, int from_tty,
175 struct cmd_list_element *c, const char *value)
177 fprintf_filtered (file,
178 _("Printing of char arrays to stop "
179 "at first null char is %s.\n"),
183 /* Controls pretty printing of structures. */
186 show_prettyprint_structs (struct ui_file *file, int from_tty,
187 struct cmd_list_element *c, const char *value)
189 fprintf_filtered (file, _("Prettyprinting of structures is %s.\n"), value);
192 /* Controls pretty printing of arrays. */
195 show_prettyprint_arrays (struct ui_file *file, int from_tty,
196 struct cmd_list_element *c, const char *value)
198 fprintf_filtered (file, _("Prettyprinting of arrays is %s.\n"), value);
201 /* If nonzero, causes unions inside structures or other unions to be
205 show_unionprint (struct ui_file *file, int from_tty,
206 struct cmd_list_element *c, const char *value)
208 fprintf_filtered (file,
209 _("Printing of unions interior to structures is %s.\n"),
213 /* If nonzero, causes machine addresses to be printed in certain contexts. */
216 show_addressprint (struct ui_file *file, int from_tty,
217 struct cmd_list_element *c, const char *value)
219 fprintf_filtered (file, _("Printing of addresses is %s.\n"), value);
223 /* A helper function for val_print. When printing in "summary" mode,
224 we want to print scalar arguments, but not aggregate arguments.
225 This function distinguishes between the two. */
228 scalar_type_p (struct type *type)
230 CHECK_TYPEDEF (type);
231 while (TYPE_CODE (type) == TYPE_CODE_REF)
233 type = TYPE_TARGET_TYPE (type);
234 CHECK_TYPEDEF (type);
236 switch (TYPE_CODE (type))
238 case TYPE_CODE_ARRAY:
239 case TYPE_CODE_STRUCT:
240 case TYPE_CODE_UNION:
242 case TYPE_CODE_STRING:
243 case TYPE_CODE_BITSTRING:
250 /* Helper function to check the validity of some bits of a value.
252 If TYPE represents some aggregate type (e.g., a structure), return 1.
254 Otherwise, any of the bytes starting at OFFSET and extending for
255 TYPE_LENGTH(TYPE) bytes are invalid, print a message to STREAM and
256 return 0. The checking is done using FUNCS.
258 Otherwise, return 1. */
261 valprint_check_validity (struct ui_file *stream,
264 const struct value *val)
266 CHECK_TYPEDEF (type);
268 if (TYPE_CODE (type) != TYPE_CODE_UNION
269 && TYPE_CODE (type) != TYPE_CODE_STRUCT
270 && TYPE_CODE (type) != TYPE_CODE_ARRAY)
272 if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset,
273 TARGET_CHAR_BIT * TYPE_LENGTH (type)))
275 val_print_optimized_out (stream);
279 if (value_bits_synthetic_pointer (val, TARGET_CHAR_BIT * embedded_offset,
280 TARGET_CHAR_BIT * TYPE_LENGTH (type)))
282 fputs_filtered (_("<synthetic pointer>"), stream);
286 if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type)))
288 val_print_unavailable (stream);
297 val_print_optimized_out (struct ui_file *stream)
299 fprintf_filtered (stream, _("<optimized out>"));
303 val_print_unavailable (struct ui_file *stream)
305 fprintf_filtered (stream, _("<unavailable>"));
309 val_print_invalid_address (struct ui_file *stream)
311 fprintf_filtered (stream, _("<invalid address>"));
314 /* Print using the given LANGUAGE the data of type TYPE located at
315 VALADDR + EMBEDDED_OFFSET (within GDB), which came from the
316 inferior at address ADDRESS + EMBEDDED_OFFSET, onto stdio stream
317 STREAM according to OPTIONS. VAL is the whole object that came
318 from ADDRESS. VALADDR must point to the head of VAL's contents
321 The language printers will pass down an adjusted EMBEDDED_OFFSET to
322 further helper subroutines as subfields of TYPE are printed. In
323 such cases, VALADDR is passed down unadjusted, as well as VAL, so
324 that VAL can be queried for metadata about the contents data being
325 printed, using EMBEDDED_OFFSET as an offset into VAL's contents
326 buffer. For example: "has this field been optimized out", or "I'm
327 printing an object while inspecting a traceframe; has this
328 particular piece of data been collected?".
330 RECURSE indicates the amount of indentation to supply before
331 continuation lines; this amount is roughly twice the value of
334 If the data is printed as a string, returns the number of string
335 characters printed. */
338 val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
339 CORE_ADDR address, struct ui_file *stream, int recurse,
340 const struct value *val,
341 const struct value_print_options *options,
342 const struct language_defn *language)
344 volatile struct gdb_exception except;
346 struct value_print_options local_opts = *options;
347 struct type *real_type = check_typedef (type);
349 if (local_opts.pretty == Val_pretty_default)
350 local_opts.pretty = (local_opts.prettyprint_structs
351 ? Val_prettyprint : Val_no_prettyprint);
355 /* Ensure that the type is complete and not just a stub. If the type is
356 only a stub and we can't find and substitute its complete type, then
357 print appropriate string and return. */
359 if (TYPE_STUB (real_type))
361 fprintf_filtered (stream, _("<incomplete type>"));
366 if (!valprint_check_validity (stream, real_type, embedded_offset, val))
371 ret = apply_val_pretty_printer (type, valaddr, embedded_offset,
372 address, stream, recurse,
373 val, options, language);
378 /* Handle summary mode. If the value is a scalar, print it;
379 otherwise, print an ellipsis. */
380 if (options->summary && !scalar_type_p (type))
382 fprintf_filtered (stream, "...");
386 TRY_CATCH (except, RETURN_MASK_ERROR)
388 ret = language->la_val_print (type, valaddr, embedded_offset, address,
389 stream, recurse, val,
392 if (except.reason < 0)
393 fprintf_filtered (stream, _("<error reading variable>"));
398 /* Check whether the value VAL is printable. Return 1 if it is;
399 return 0 and print an appropriate error message to STREAM if it
403 value_check_printable (struct value *val, struct ui_file *stream)
407 fprintf_filtered (stream, _("<address of value unknown>"));
411 if (value_entirely_optimized_out (val))
413 val_print_optimized_out (stream);
417 if (TYPE_CODE (value_type (val)) == TYPE_CODE_INTERNAL_FUNCTION)
419 fprintf_filtered (stream, _("<internal function %s>"),
420 value_internal_function_name (val));
427 /* Print using the given LANGUAGE the value VAL onto stream STREAM according
430 If the data are a string pointer, returns the number of string characters
433 This is a preferable interface to val_print, above, because it uses
434 GDB's value mechanism. */
437 common_val_print (struct value *val, struct ui_file *stream, int recurse,
438 const struct value_print_options *options,
439 const struct language_defn *language)
441 if (!value_check_printable (val, stream))
444 if (language->la_language == language_ada)
445 /* The value might have a dynamic type, which would cause trouble
446 below when trying to extract the value contents (since the value
447 size is determined from the type size which is unknown). So
448 get a fixed representation of our value. */
449 val = ada_to_fixed_value (val);
451 return val_print (value_type (val), value_contents_for_printing (val),
452 value_embedded_offset (val), value_address (val),
454 val, options, language);
457 /* Print on stream STREAM the value VAL according to OPTIONS. The value
458 is printed using the current_language syntax.
460 If the object printed is a string pointer, return the number of string
464 value_print (struct value *val, struct ui_file *stream,
465 const struct value_print_options *options)
467 if (!value_check_printable (val, stream))
472 int r = apply_val_pretty_printer (value_type (val),
473 value_contents_for_printing (val),
474 value_embedded_offset (val),
477 val, options, current_language);
483 return LA_VALUE_PRINT (val, stream, options);
486 /* Called by various <lang>_val_print routines to print
487 TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the
488 value. STREAM is where to print the value. */
491 val_print_type_code_int (struct type *type, const gdb_byte *valaddr,
492 struct ui_file *stream)
494 enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
496 if (TYPE_LENGTH (type) > sizeof (LONGEST))
500 if (TYPE_UNSIGNED (type)
501 && extract_long_unsigned_integer (valaddr, TYPE_LENGTH (type),
504 print_longest (stream, 'u', 0, val);
508 /* Signed, or we couldn't turn an unsigned value into a
509 LONGEST. For signed values, one could assume two's
510 complement (a reasonable assumption, I think) and do
512 print_hex_chars (stream, (unsigned char *) valaddr,
513 TYPE_LENGTH (type), byte_order);
518 print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0,
519 unpack_long (type, valaddr));
524 val_print_type_code_flags (struct type *type, const gdb_byte *valaddr,
525 struct ui_file *stream)
527 ULONGEST val = unpack_long (type, valaddr);
528 int bitpos, nfields = TYPE_NFIELDS (type);
530 fputs_filtered ("[ ", stream);
531 for (bitpos = 0; bitpos < nfields; bitpos++)
533 if (TYPE_FIELD_BITPOS (type, bitpos) != -1
534 && (val & ((ULONGEST)1 << bitpos)))
536 if (TYPE_FIELD_NAME (type, bitpos))
537 fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos));
539 fprintf_filtered (stream, "#%d ", bitpos);
542 fputs_filtered ("]", stream);
544 /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
545 according to OPTIONS and SIZE on STREAM. Format i is not supported
548 This is how the elements of an array or structure are printed
553 val_print_scalar_formatted (struct type *type,
554 const gdb_byte *valaddr, int embedded_offset,
555 const struct value *val,
556 const struct value_print_options *options,
558 struct ui_file *stream)
560 gdb_assert (val != NULL);
561 gdb_assert (valaddr == value_contents_for_printing_const (val));
563 /* If we get here with a string format, try again without it. Go
564 all the way back to the language printers, which may call us
566 if (options->format == 's')
568 struct value_print_options opts = *options;
571 val_print (type, valaddr, embedded_offset, 0, stream, 0, val, &opts,
576 /* A scalar object that does not have all bits available can't be
577 printed, because all bits contribute to its representation. */
578 if (!value_bits_valid (val, TARGET_CHAR_BIT * embedded_offset,
579 TARGET_CHAR_BIT * TYPE_LENGTH (type)))
580 val_print_optimized_out (stream);
581 else if (!value_bytes_available (val, embedded_offset, TYPE_LENGTH (type)))
582 val_print_unavailable (stream);
584 print_scalar_formatted (valaddr + embedded_offset, type,
585 options, size, stream);
588 /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g.
589 The raison d'etre of this function is to consolidate printing of
590 LONG_LONG's into this one function. The format chars b,h,w,g are
591 from print_scalar_formatted(). Numbers are printed using C
594 USE_C_FORMAT means to use C format in all cases. Without it,
595 'o' and 'x' format do not include the standard C radix prefix
598 Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL
599 and was intended to request formating according to the current
600 language and would be used for most integers that GDB prints. The
601 exceptional cases were things like protocols where the format of
602 the integer is a protocol thing, not a user-visible thing). The
603 parameter remains to preserve the information of what things might
604 be printed with language-specific format, should we ever resurrect
608 print_longest (struct ui_file *stream, int format, int use_c_format,
616 val = int_string (val_long, 10, 1, 0, 1); break;
618 val = int_string (val_long, 10, 0, 0, 1); break;
620 val = int_string (val_long, 16, 0, 0, use_c_format); break;
622 val = int_string (val_long, 16, 0, 2, 1); break;
624 val = int_string (val_long, 16, 0, 4, 1); break;
626 val = int_string (val_long, 16, 0, 8, 1); break;
628 val = int_string (val_long, 16, 0, 16, 1); break;
631 val = int_string (val_long, 8, 0, 0, use_c_format); break;
633 internal_error (__FILE__, __LINE__,
634 _("failed internal consistency check"));
636 fputs_filtered (val, stream);
639 /* This used to be a macro, but I don't think it is called often enough
640 to merit such treatment. */
641 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
642 arguments to a function, number in a value history, register number, etc.)
643 where the value must not be larger than can fit in an int. */
646 longest_to_int (LONGEST arg)
648 /* Let the compiler do the work. */
649 int rtnval = (int) arg;
651 /* Check for overflows or underflows. */
652 if (sizeof (LONGEST) > sizeof (int))
656 error (_("Value out of range."));
662 /* Print a floating point value of type TYPE (not always a
663 TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */
666 print_floating (const gdb_byte *valaddr, struct type *type,
667 struct ui_file *stream)
671 const struct floatformat *fmt = NULL;
672 unsigned len = TYPE_LENGTH (type);
673 enum float_kind kind;
675 /* If it is a floating-point, check for obvious problems. */
676 if (TYPE_CODE (type) == TYPE_CODE_FLT)
677 fmt = floatformat_from_type (type);
680 kind = floatformat_classify (fmt, valaddr);
681 if (kind == float_nan)
683 if (floatformat_is_negative (fmt, valaddr))
684 fprintf_filtered (stream, "-");
685 fprintf_filtered (stream, "nan(");
686 fputs_filtered ("0x", stream);
687 fputs_filtered (floatformat_mantissa (fmt, valaddr), stream);
688 fprintf_filtered (stream, ")");
691 else if (kind == float_infinite)
693 if (floatformat_is_negative (fmt, valaddr))
694 fputs_filtered ("-", stream);
695 fputs_filtered ("inf", stream);
700 /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating()
701 isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double
702 needs to be used as that takes care of any necessary type
703 conversions. Such conversions are of course direct to DOUBLEST
704 and disregard any possible target floating point limitations.
705 For instance, a u64 would be converted and displayed exactly on a
706 host with 80 bit DOUBLEST but with loss of information on a host
707 with 64 bit DOUBLEST. */
709 doub = unpack_double (type, valaddr, &inv);
712 fprintf_filtered (stream, "<invalid float value>");
716 /* FIXME: kettenis/2001-01-20: The following code makes too much
717 assumptions about the host and target floating point format. */
719 /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may
720 not necessarily be a TYPE_CODE_FLT, the below ignores that and
721 instead uses the type's length to determine the precision of the
722 floating-point value being printed. */
724 if (len < sizeof (double))
725 fprintf_filtered (stream, "%.9g", (double) doub);
726 else if (len == sizeof (double))
727 fprintf_filtered (stream, "%.17g", (double) doub);
729 #ifdef PRINTF_HAS_LONG_DOUBLE
730 fprintf_filtered (stream, "%.35Lg", doub);
732 /* This at least wins with values that are representable as
734 fprintf_filtered (stream, "%.17g", (double) doub);
739 print_decimal_floating (const gdb_byte *valaddr, struct type *type,
740 struct ui_file *stream)
742 enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
743 char decstr[MAX_DECIMAL_STRING];
744 unsigned len = TYPE_LENGTH (type);
746 decimal_to_string (valaddr, len, byte_order, decstr);
747 fputs_filtered (decstr, stream);
752 print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr,
753 unsigned len, enum bfd_endian byte_order)
756 #define BITS_IN_BYTES 8
762 /* Declared "int" so it will be signed.
763 This ensures that right shift will shift in zeros. */
765 const int mask = 0x080;
767 /* FIXME: We should be not printing leading zeroes in most cases. */
769 if (byte_order == BFD_ENDIAN_BIG)
775 /* Every byte has 8 binary characters; peel off
776 and print from the MSB end. */
778 for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++)
780 if (*p & (mask >> i))
785 fprintf_filtered (stream, "%1d", b);
791 for (p = valaddr + len - 1;
795 for (i = 0; i < (BITS_IN_BYTES * sizeof (*p)); i++)
797 if (*p & (mask >> i))
802 fprintf_filtered (stream, "%1d", b);
808 /* VALADDR points to an integer of LEN bytes.
809 Print it in octal on stream or format it in buf. */
812 print_octal_chars (struct ui_file *stream, const gdb_byte *valaddr,
813 unsigned len, enum bfd_endian byte_order)
816 unsigned char octa1, octa2, octa3, carry;
819 /* FIXME: We should be not printing leading zeroes in most cases. */
822 /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track
823 * the extra bits, which cycle every three bytes:
827 * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 |
829 * Octal side: 0 1 carry 3 4 carry ...
831 * Cycle number: 0 1 2
833 * But of course we are printing from the high side, so we have to
834 * figure out where in the cycle we are so that we end up with no
835 * left over bits at the end.
837 #define BITS_IN_OCTAL 3
838 #define HIGH_ZERO 0340
839 #define LOW_ZERO 0016
840 #define CARRY_ZERO 0003
841 #define HIGH_ONE 0200
844 #define CARRY_ONE 0001
845 #define HIGH_TWO 0300
849 /* For 32 we start in cycle 2, with two bits and one bit carry;
850 for 64 in cycle in cycle 1, with one bit and a two bit carry. */
852 cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL;
855 fputs_filtered ("0", stream);
856 if (byte_order == BFD_ENDIAN_BIG)
865 /* No carry in, carry out two bits. */
867 octa1 = (HIGH_ZERO & *p) >> 5;
868 octa2 = (LOW_ZERO & *p) >> 2;
869 carry = (CARRY_ZERO & *p);
870 fprintf_filtered (stream, "%o", octa1);
871 fprintf_filtered (stream, "%o", octa2);
875 /* Carry in two bits, carry out one bit. */
877 octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7);
878 octa2 = (MID_ONE & *p) >> 4;
879 octa3 = (LOW_ONE & *p) >> 1;
880 carry = (CARRY_ONE & *p);
881 fprintf_filtered (stream, "%o", octa1);
882 fprintf_filtered (stream, "%o", octa2);
883 fprintf_filtered (stream, "%o", octa3);
887 /* Carry in one bit, no carry out. */
889 octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6);
890 octa2 = (MID_TWO & *p) >> 3;
891 octa3 = (LOW_TWO & *p);
893 fprintf_filtered (stream, "%o", octa1);
894 fprintf_filtered (stream, "%o", octa2);
895 fprintf_filtered (stream, "%o", octa3);
899 error (_("Internal error in octal conversion;"));
903 cycle = cycle % BITS_IN_OCTAL;
908 for (p = valaddr + len - 1;
915 /* Carry out, no carry in */
917 octa1 = (HIGH_ZERO & *p) >> 5;
918 octa2 = (LOW_ZERO & *p) >> 2;
919 carry = (CARRY_ZERO & *p);
920 fprintf_filtered (stream, "%o", octa1);
921 fprintf_filtered (stream, "%o", octa2);
925 /* Carry in, carry out */
927 octa1 = (carry << 1) | ((HIGH_ONE & *p) >> 7);
928 octa2 = (MID_ONE & *p) >> 4;
929 octa3 = (LOW_ONE & *p) >> 1;
930 carry = (CARRY_ONE & *p);
931 fprintf_filtered (stream, "%o", octa1);
932 fprintf_filtered (stream, "%o", octa2);
933 fprintf_filtered (stream, "%o", octa3);
937 /* Carry in, no carry out */
939 octa1 = (carry << 2) | ((HIGH_TWO & *p) >> 6);
940 octa2 = (MID_TWO & *p) >> 3;
941 octa3 = (LOW_TWO & *p);
943 fprintf_filtered (stream, "%o", octa1);
944 fprintf_filtered (stream, "%o", octa2);
945 fprintf_filtered (stream, "%o", octa3);
949 error (_("Internal error in octal conversion;"));
953 cycle = cycle % BITS_IN_OCTAL;
959 /* VALADDR points to an integer of LEN bytes.
960 Print it in decimal on stream or format it in buf. */
963 print_decimal_chars (struct ui_file *stream, const gdb_byte *valaddr,
964 unsigned len, enum bfd_endian byte_order)
967 #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */
968 #define CARRY_LEFT( x ) ((x) % TEN)
969 #define SHIFT( x ) ((x) << 4)
970 #define LOW_NIBBLE( x ) ( (x) & 0x00F)
971 #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4)
974 unsigned char *digits;
977 int i, j, decimal_digits;
981 /* Base-ten number is less than twice as many digits
982 as the base 16 number, which is 2 digits per byte. */
984 decimal_len = len * 2 * 2;
985 digits = xmalloc (decimal_len);
987 for (i = 0; i < decimal_len; i++)
992 /* Ok, we have an unknown number of bytes of data to be printed in
995 * Given a hex number (in nibbles) as XYZ, we start by taking X and
996 * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply
997 * the nibbles by 16, add Y and re-decimalize. Repeat with Z.
999 * The trick is that "digits" holds a base-10 number, but sometimes
1000 * the individual digits are > 10.
1002 * Outer loop is per nibble (hex digit) of input, from MSD end to
1005 decimal_digits = 0; /* Number of decimal digits so far */
1006 p = (byte_order == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1;
1008 while ((byte_order == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr))
1011 * Multiply current base-ten number by 16 in place.
1012 * Each digit was between 0 and 9, now is between
1015 for (j = 0; j < decimal_digits; j++)
1017 digits[j] = SHIFT (digits[j]);
1020 /* Take the next nibble off the input and add it to what
1021 * we've got in the LSB position. Bottom 'digit' is now
1022 * between 0 and 159.
1024 * "flip" is used to run this loop twice for each byte.
1028 /* Take top nibble. */
1030 digits[0] += HIGH_NIBBLE (*p);
1035 /* Take low nibble and bump our pointer "p". */
1037 digits[0] += LOW_NIBBLE (*p);
1038 if (byte_order == BFD_ENDIAN_BIG)
1045 /* Re-decimalize. We have to do this often enough
1046 * that we don't overflow, but once per nibble is
1047 * overkill. Easier this way, though. Note that the
1048 * carry is often larger than 10 (e.g. max initial
1049 * carry out of lowest nibble is 15, could bubble all
1050 * the way up greater than 10). So we have to do
1051 * the carrying beyond the last current digit.
1054 for (j = 0; j < decimal_len - 1; j++)
1058 /* "/" won't handle an unsigned char with
1059 * a value that if signed would be negative.
1060 * So extend to longword int via "dummy".
1063 carry = CARRY_OUT (dummy);
1064 digits[j] = CARRY_LEFT (dummy);
1066 if (j >= decimal_digits && carry == 0)
1069 * All higher digits are 0 and we
1070 * no longer have a carry.
1072 * Note: "j" is 0-based, "decimal_digits" is
1075 decimal_digits = j + 1;
1081 /* Ok, now "digits" is the decimal representation, with
1082 the "decimal_digits" actual digits. Print! */
1084 for (i = decimal_digits - 1; i >= 0; i--)
1086 fprintf_filtered (stream, "%1d", digits[i]);
1091 /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
1094 print_hex_chars (struct ui_file *stream, const gdb_byte *valaddr,
1095 unsigned len, enum bfd_endian byte_order)
1099 /* FIXME: We should be not printing leading zeroes in most cases. */
1101 fputs_filtered ("0x", stream);
1102 if (byte_order == BFD_ENDIAN_BIG)
1108 fprintf_filtered (stream, "%02x", *p);
1113 for (p = valaddr + len - 1;
1117 fprintf_filtered (stream, "%02x", *p);
1122 /* VALADDR points to a char integer of LEN bytes.
1123 Print it out in appropriate language form on stream.
1124 Omit any leading zero chars. */
1127 print_char_chars (struct ui_file *stream, struct type *type,
1128 const gdb_byte *valaddr,
1129 unsigned len, enum bfd_endian byte_order)
1133 if (byte_order == BFD_ENDIAN_BIG)
1136 while (p < valaddr + len - 1 && *p == 0)
1139 while (p < valaddr + len)
1141 LA_EMIT_CHAR (*p, type, stream, '\'');
1147 p = valaddr + len - 1;
1148 while (p > valaddr && *p == 0)
1151 while (p >= valaddr)
1153 LA_EMIT_CHAR (*p, type, stream, '\'');
1159 /* Print on STREAM using the given OPTIONS the index for the element
1160 at INDEX of an array whose index type is INDEX_TYPE. */
1163 maybe_print_array_index (struct type *index_type, LONGEST index,
1164 struct ui_file *stream,
1165 const struct value_print_options *options)
1167 struct value *index_value;
1169 if (!options->print_array_indexes)
1172 index_value = value_from_longest (index_type, index);
1174 LA_PRINT_ARRAY_INDEX (index_value, stream, options);
1177 /* Called by various <lang>_val_print routines to print elements of an
1178 array in the form "<elem1>, <elem2>, <elem3>, ...".
1180 (FIXME?) Assumes array element separator is a comma, which is correct
1181 for all languages currently handled.
1182 (FIXME?) Some languages have a notation for repeated array elements,
1183 perhaps we should try to use that notation when appropriate. */
1186 val_print_array_elements (struct type *type,
1187 const gdb_byte *valaddr, int embedded_offset,
1188 CORE_ADDR address, struct ui_file *stream,
1190 const struct value *val,
1191 const struct value_print_options *options,
1194 unsigned int things_printed = 0;
1196 struct type *elttype, *index_type;
1198 /* Position of the array element we are examining to see
1199 whether it is repeated. */
1201 /* Number of repetitions we have detected so far. */
1203 LONGEST low_bound, high_bound;
1205 elttype = TYPE_TARGET_TYPE (type);
1206 eltlen = TYPE_LENGTH (check_typedef (elttype));
1207 index_type = TYPE_INDEX_TYPE (type);
1209 if (get_array_bounds (type, &low_bound, &high_bound))
1211 /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1.
1212 But we have to be a little extra careful, because some languages
1213 such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for
1214 empty arrays. In that situation, the array length is just zero,
1216 if (low_bound > high_bound)
1219 len = high_bound - low_bound + 1;
1223 warning (_("unable to get bounds of array, assuming null array"));
1228 annotate_array_section_begin (i, elttype);
1230 for (; i < len && things_printed < options->print_max; i++)
1234 if (options->prettyprint_arrays)
1236 fprintf_filtered (stream, ",\n");
1237 print_spaces_filtered (2 + 2 * recurse, stream);
1241 fprintf_filtered (stream, ", ");
1244 wrap_here (n_spaces (2 + 2 * recurse));
1245 maybe_print_array_index (index_type, i + low_bound,
1250 /* Only check for reps if repeat_count_threshold is not set to
1251 UINT_MAX (unlimited). */
1252 if (options->repeat_count_threshold < UINT_MAX)
1255 && value_available_contents_eq (val,
1256 embedded_offset + i * eltlen,
1267 if (reps > options->repeat_count_threshold)
1269 val_print (elttype, valaddr, embedded_offset + i * eltlen,
1270 address, stream, recurse + 1, val, options,
1272 annotate_elt_rep (reps);
1273 fprintf_filtered (stream, " <repeats %u times>", reps);
1274 annotate_elt_rep_end ();
1277 things_printed += options->repeat_count_threshold;
1281 val_print (elttype, valaddr, embedded_offset + i * eltlen,
1283 stream, recurse + 1, val, options, current_language);
1288 annotate_array_section_end ();
1291 fprintf_filtered (stream, "...");
1295 /* Read LEN bytes of target memory at address MEMADDR, placing the
1296 results in GDB's memory at MYADDR. Returns a count of the bytes
1297 actually read, and optionally an errno value in the location
1298 pointed to by ERRNOPTR if ERRNOPTR is non-null. */
1300 /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this
1301 function be eliminated. */
1304 partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr,
1305 int len, int *errnoptr)
1307 int nread; /* Number of bytes actually read. */
1308 int errcode; /* Error from last read. */
1310 /* First try a complete read. */
1311 errcode = target_read_memory (memaddr, myaddr, len);
1319 /* Loop, reading one byte at a time until we get as much as we can. */
1320 for (errcode = 0, nread = 0; len > 0 && errcode == 0; nread++, len--)
1322 errcode = target_read_memory (memaddr++, myaddr++, 1);
1324 /* If an error, the last read was unsuccessful, so adjust count. */
1330 if (errnoptr != NULL)
1332 *errnoptr = errcode;
1337 /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes
1338 each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly
1339 allocated buffer containing the string, which the caller is responsible to
1340 free, and BYTES_READ will be set to the number of bytes read. Returns 0 on
1341 success, or errno on failure.
1343 If LEN > 0, reads exactly LEN characters (including eventual NULs in
1344 the middle or end of the string). If LEN is -1, stops at the first
1345 null character (not necessarily the first null byte) up to a maximum
1346 of FETCHLIMIT characters. Set FETCHLIMIT to UINT_MAX to read as many
1347 characters as possible from the string.
1349 Unless an exception is thrown, BUFFER will always be allocated, even on
1350 failure. In this case, some characters might have been read before the
1351 failure happened. Check BYTES_READ to recognize this situation.
1353 Note: There was a FIXME asking to make this code use target_read_string,
1354 but this function is more general (can read past null characters, up to
1355 given LEN). Besides, it is used much more often than target_read_string
1356 so it is more tested. Perhaps callers of target_read_string should use
1357 this function instead? */
1360 read_string (CORE_ADDR addr, int len, int width, unsigned int fetchlimit,
1361 enum bfd_endian byte_order, gdb_byte **buffer, int *bytes_read)
1363 int found_nul; /* Non-zero if we found the nul char. */
1364 int errcode; /* Errno returned from bad reads. */
1365 unsigned int nfetch; /* Chars to fetch / chars fetched. */
1366 unsigned int chunksize; /* Size of each fetch, in chars. */
1367 gdb_byte *bufptr; /* Pointer to next available byte in
1369 gdb_byte *limit; /* First location past end of fetch buffer. */
1370 struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */
1372 /* Decide how large of chunks to try to read in one operation. This
1373 is also pretty simple. If LEN >= zero, then we want fetchlimit chars,
1374 so we might as well read them all in one operation. If LEN is -1, we
1375 are looking for a NUL terminator to end the fetching, so we might as
1376 well read in blocks that are large enough to be efficient, but not so
1377 large as to be slow if fetchlimit happens to be large. So we choose the
1378 minimum of 8 and fetchlimit. We used to use 200 instead of 8 but
1379 200 is way too big for remote debugging over a serial line. */
1381 chunksize = (len == -1 ? min (8, fetchlimit) : fetchlimit);
1383 /* Loop until we either have all the characters, or we encounter
1384 some error, such as bumping into the end of the address space. */
1389 old_chain = make_cleanup (free_current_contents, buffer);
1393 *buffer = (gdb_byte *) xmalloc (len * width);
1396 nfetch = partial_memory_read (addr, bufptr, len * width, &errcode)
1398 addr += nfetch * width;
1399 bufptr += nfetch * width;
1403 unsigned long bufsize = 0;
1408 nfetch = min (chunksize, fetchlimit - bufsize);
1410 if (*buffer == NULL)
1411 *buffer = (gdb_byte *) xmalloc (nfetch * width);
1413 *buffer = (gdb_byte *) xrealloc (*buffer,
1414 (nfetch + bufsize) * width);
1416 bufptr = *buffer + bufsize * width;
1419 /* Read as much as we can. */
1420 nfetch = partial_memory_read (addr, bufptr, nfetch * width, &errcode)
1423 /* Scan this chunk for the null character that terminates the string
1424 to print. If found, we don't need to fetch any more. Note
1425 that bufptr is explicitly left pointing at the next character
1426 after the null character, or at the next character after the end
1429 limit = bufptr + nfetch * width;
1430 while (bufptr < limit)
1434 c = extract_unsigned_integer (bufptr, width, byte_order);
1439 /* We don't care about any error which happened after
1440 the NUL terminator. */
1447 while (errcode == 0 /* no error */
1448 && bufptr - *buffer < fetchlimit * width /* no overrun */
1449 && !found_nul); /* haven't found NUL yet */
1452 { /* Length of string is really 0! */
1453 /* We always allocate *buffer. */
1454 *buffer = bufptr = xmalloc (1);
1458 /* bufptr and addr now point immediately beyond the last byte which we
1459 consider part of the string (including a '\0' which ends the string). */
1460 *bytes_read = bufptr - *buffer;
1464 discard_cleanups (old_chain);
1469 /* Print a string from the inferior, starting at ADDR and printing up to LEN
1470 characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing
1471 stops at the first null byte, otherwise printing proceeds (including null
1472 bytes) until either print_max or LEN characters have been printed,
1473 whichever is smaller. ENCODING is the name of the string's
1474 encoding. It can be NULL, in which case the target encoding is
1478 val_print_string (struct type *elttype, const char *encoding,
1479 CORE_ADDR addr, int len,
1480 struct ui_file *stream,
1481 const struct value_print_options *options)
1483 int force_ellipsis = 0; /* Force ellipsis to be printed if nonzero. */
1484 int errcode; /* Errno returned from bad reads. */
1485 int found_nul; /* Non-zero if we found the nul char. */
1486 unsigned int fetchlimit; /* Maximum number of chars to print. */
1488 gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */
1489 struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */
1490 struct gdbarch *gdbarch = get_type_arch (elttype);
1491 enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
1492 int width = TYPE_LENGTH (elttype);
1494 /* First we need to figure out the limit on the number of characters we are
1495 going to attempt to fetch and print. This is actually pretty simple. If
1496 LEN >= zero, then the limit is the minimum of LEN and print_max. If
1497 LEN is -1, then the limit is print_max. This is true regardless of
1498 whether print_max is zero, UINT_MAX (unlimited), or something in between,
1499 because finding the null byte (or available memory) is what actually
1500 limits the fetch. */
1502 fetchlimit = (len == -1 ? options->print_max : min (len,
1503 options->print_max));
1505 errcode = read_string (addr, len, width, fetchlimit, byte_order,
1506 &buffer, &bytes_read);
1507 old_chain = make_cleanup (xfree, buffer);
1511 /* We now have either successfully filled the buffer to fetchlimit,
1512 or terminated early due to an error or finding a null char when
1515 /* Determine found_nul by looking at the last character read. */
1516 found_nul = extract_unsigned_integer (buffer + bytes_read - width, width,
1518 if (len == -1 && !found_nul)
1522 /* We didn't find a NUL terminator we were looking for. Attempt
1523 to peek at the next character. If not successful, or it is not
1524 a null byte, then force ellipsis to be printed. */
1526 peekbuf = (gdb_byte *) alloca (width);
1528 if (target_read_memory (addr, peekbuf, width) == 0
1529 && extract_unsigned_integer (peekbuf, width, byte_order) != 0)
1532 else if ((len >= 0 && errcode != 0) || (len > bytes_read / width))
1534 /* Getting an error when we have a requested length, or fetching less
1535 than the number of characters actually requested, always make us
1540 /* If we get an error before fetching anything, don't print a string.
1541 But if we fetch something and then get an error, print the string
1542 and then the error message. */
1543 if (errcode == 0 || bytes_read > 0)
1545 if (options->addressprint)
1547 fputs_filtered (" ", stream);
1549 LA_PRINT_STRING (stream, elttype, buffer, bytes_read / width,
1550 encoding, force_ellipsis, options);
1557 fprintf_filtered (stream, " <Address ");
1558 fputs_filtered (paddress (gdbarch, addr), stream);
1559 fprintf_filtered (stream, " out of bounds>");
1563 fprintf_filtered (stream, " <Error reading address ");
1564 fputs_filtered (paddress (gdbarch, addr), stream);
1565 fprintf_filtered (stream, ": %s>", safe_strerror (errcode));
1570 do_cleanups (old_chain);
1572 return (bytes_read / width);
1576 /* The 'set input-radix' command writes to this auxiliary variable.
1577 If the requested radix is valid, INPUT_RADIX is updated; otherwise,
1578 it is left unchanged. */
1580 static unsigned input_radix_1 = 10;
1582 /* Validate an input or output radix setting, and make sure the user
1583 knows what they really did here. Radix setting is confusing, e.g.
1584 setting the input radix to "10" never changes it! */
1587 set_input_radix (char *args, int from_tty, struct cmd_list_element *c)
1589 set_input_radix_1 (from_tty, input_radix_1);
1593 set_input_radix_1 (int from_tty, unsigned radix)
1595 /* We don't currently disallow any input radix except 0 or 1, which don't
1596 make any mathematical sense. In theory, we can deal with any input
1597 radix greater than 1, even if we don't have unique digits for every
1598 value from 0 to radix-1, but in practice we lose on large radix values.
1599 We should either fix the lossage or restrict the radix range more.
1604 input_radix_1 = input_radix;
1605 error (_("Nonsense input radix ``decimal %u''; input radix unchanged."),
1608 input_radix_1 = input_radix = radix;
1611 printf_filtered (_("Input radix now set to "
1612 "decimal %u, hex %x, octal %o.\n"),
1613 radix, radix, radix);
1617 /* The 'set output-radix' command writes to this auxiliary variable.
1618 If the requested radix is valid, OUTPUT_RADIX is updated,
1619 otherwise, it is left unchanged. */
1621 static unsigned output_radix_1 = 10;
1624 set_output_radix (char *args, int from_tty, struct cmd_list_element *c)
1626 set_output_radix_1 (from_tty, output_radix_1);
1630 set_output_radix_1 (int from_tty, unsigned radix)
1632 /* Validate the radix and disallow ones that we aren't prepared to
1633 handle correctly, leaving the radix unchanged. */
1637 user_print_options.output_format = 'x'; /* hex */
1640 user_print_options.output_format = 0; /* decimal */
1643 user_print_options.output_format = 'o'; /* octal */
1646 output_radix_1 = output_radix;
1647 error (_("Unsupported output radix ``decimal %u''; "
1648 "output radix unchanged."),
1651 output_radix_1 = output_radix = radix;
1654 printf_filtered (_("Output radix now set to "
1655 "decimal %u, hex %x, octal %o.\n"),
1656 radix, radix, radix);
1660 /* Set both the input and output radix at once. Try to set the output radix
1661 first, since it has the most restrictive range. An radix that is valid as
1662 an output radix is also valid as an input radix.
1664 It may be useful to have an unusual input radix. If the user wishes to
1665 set an input radix that is not valid as an output radix, he needs to use
1666 the 'set input-radix' command. */
1669 set_radix (char *arg, int from_tty)
1673 radix = (arg == NULL) ? 10 : parse_and_eval_long (arg);
1674 set_output_radix_1 (0, radix);
1675 set_input_radix_1 (0, radix);
1678 printf_filtered (_("Input and output radices now set to "
1679 "decimal %u, hex %x, octal %o.\n"),
1680 radix, radix, radix);
1684 /* Show both the input and output radices. */
1687 show_radix (char *arg, int from_tty)
1691 if (input_radix == output_radix)
1693 printf_filtered (_("Input and output radices set to "
1694 "decimal %u, hex %x, octal %o.\n"),
1695 input_radix, input_radix, input_radix);
1699 printf_filtered (_("Input radix set to decimal "
1700 "%u, hex %x, octal %o.\n"),
1701 input_radix, input_radix, input_radix);
1702 printf_filtered (_("Output radix set to decimal "
1703 "%u, hex %x, octal %o.\n"),
1704 output_radix, output_radix, output_radix);
1711 set_print (char *arg, int from_tty)
1714 "\"set print\" must be followed by the name of a print subcommand.\n");
1715 help_list (setprintlist, "set print ", -1, gdb_stdout);
1719 show_print (char *args, int from_tty)
1721 cmd_show_list (showprintlist, from_tty, "");
1725 _initialize_valprint (void)
1727 add_prefix_cmd ("print", no_class, set_print,
1728 _("Generic command for setting how things print."),
1729 &setprintlist, "set print ", 0, &setlist);
1730 add_alias_cmd ("p", "print", no_class, 1, &setlist);
1731 /* Prefer set print to set prompt. */
1732 add_alias_cmd ("pr", "print", no_class, 1, &setlist);
1734 add_prefix_cmd ("print", no_class, show_print,
1735 _("Generic command for showing print settings."),
1736 &showprintlist, "show print ", 0, &showlist);
1737 add_alias_cmd ("p", "print", no_class, 1, &showlist);
1738 add_alias_cmd ("pr", "print", no_class, 1, &showlist);
1740 add_setshow_uinteger_cmd ("elements", no_class,
1741 &user_print_options.print_max, _("\
1742 Set limit on string chars or array elements to print."), _("\
1743 Show limit on string chars or array elements to print."), _("\
1744 \"set print elements 0\" causes there to be no limit."),
1747 &setprintlist, &showprintlist);
1749 add_setshow_boolean_cmd ("null-stop", no_class,
1750 &user_print_options.stop_print_at_null, _("\
1751 Set printing of char arrays to stop at first null char."), _("\
1752 Show printing of char arrays to stop at first null char."), NULL,
1754 show_stop_print_at_null,
1755 &setprintlist, &showprintlist);
1757 add_setshow_uinteger_cmd ("repeats", no_class,
1758 &user_print_options.repeat_count_threshold, _("\
1759 Set threshold for repeated print elements."), _("\
1760 Show threshold for repeated print elements."), _("\
1761 \"set print repeats 0\" causes all elements to be individually printed."),
1763 show_repeat_count_threshold,
1764 &setprintlist, &showprintlist);
1766 add_setshow_boolean_cmd ("pretty", class_support,
1767 &user_print_options.prettyprint_structs, _("\
1768 Set prettyprinting of structures."), _("\
1769 Show prettyprinting of structures."), NULL,
1771 show_prettyprint_structs,
1772 &setprintlist, &showprintlist);
1774 add_setshow_boolean_cmd ("union", class_support,
1775 &user_print_options.unionprint, _("\
1776 Set printing of unions interior to structures."), _("\
1777 Show printing of unions interior to structures."), NULL,
1780 &setprintlist, &showprintlist);
1782 add_setshow_boolean_cmd ("array", class_support,
1783 &user_print_options.prettyprint_arrays, _("\
1784 Set prettyprinting of arrays."), _("\
1785 Show prettyprinting of arrays."), NULL,
1787 show_prettyprint_arrays,
1788 &setprintlist, &showprintlist);
1790 add_setshow_boolean_cmd ("address", class_support,
1791 &user_print_options.addressprint, _("\
1792 Set printing of addresses."), _("\
1793 Show printing of addresses."), NULL,
1796 &setprintlist, &showprintlist);
1798 add_setshow_zuinteger_cmd ("input-radix", class_support, &input_radix_1,
1800 Set default input radix for entering numbers."), _("\
1801 Show default input radix for entering numbers."), NULL,
1804 &setlist, &showlist);
1806 add_setshow_zuinteger_cmd ("output-radix", class_support, &output_radix_1,
1808 Set default output radix for printing of values."), _("\
1809 Show default output radix for printing of values."), NULL,
1812 &setlist, &showlist);
1814 /* The "set radix" and "show radix" commands are special in that
1815 they are like normal set and show commands but allow two normally
1816 independent variables to be either set or shown with a single
1817 command. So the usual deprecated_add_set_cmd() and [deleted]
1818 add_show_from_set() commands aren't really appropriate. */
1819 /* FIXME: i18n: With the new add_setshow_integer command, that is no
1820 longer true - show can display anything. */
1821 add_cmd ("radix", class_support, set_radix, _("\
1822 Set default input and output number radices.\n\
1823 Use 'set input-radix' or 'set output-radix' to independently set each.\n\
1824 Without an argument, sets both radices back to the default value of 10."),
1826 add_cmd ("radix", class_support, show_radix, _("\
1827 Show the default input and output number radices.\n\
1828 Use 'show input-radix' or 'show output-radix' to independently show each."),
1831 add_setshow_boolean_cmd ("array-indexes", class_support,
1832 &user_print_options.print_array_indexes, _("\
1833 Set printing of array indexes."), _("\
1834 Show printing of array indexes"), NULL, NULL, show_print_array_indexes,
1835 &setprintlist, &showprintlist);