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
* offset
,
273 TARGET_CHAR_BIT
* TYPE_LENGTH (type
)))
275 val_print_optimized_out (stream
);
279 if (value_bits_synthetic_pointer (val
, TARGET_CHAR_BIT
* offset
,
280 TARGET_CHAR_BIT
* TYPE_LENGTH (type
)))
282 fputs_filtered (_("<synthetic pointer>"), stream
);
291 val_print_optimized_out (struct ui_file
*stream
)
293 fprintf_filtered (stream
, _("<optimized out>"));
296 /* Print using the given LANGUAGE the data of type TYPE located at
297 VALADDR + EMBEDDED_OFFSET (within GDB), which came from the
298 inferior at address ADDRESS + EMBEDDED_OFFSET, onto stdio stream
299 STREAM according to OPTIONS. VAL is the whole object that came
300 from ADDRESS. VALADDR must point to the head of VAL's contents
303 The language printers will pass down an adjusted EMBEDDED_OFFSET to
304 further helper subroutines as subfields of TYPE are printed. In
305 such cases, VALADDR is passed down unadjusted, as well as VAL, so
306 that VAL can be queried for metadata about the contents data being
307 printed, using EMBEDDED_OFFSET as an offset into VAL's contents
308 buffer. For example: "has this field been optimized out", or "I'm
309 printing an object while inspecting a traceframe; has this
310 particular piece of data been collected?".
312 RECURSE indicates the amount of indentation to supply before
313 continuation lines; this amount is roughly twice the value of
316 If the data is printed as a string, returns the number of string
317 characters printed. */
320 val_print (struct type
*type
, const gdb_byte
*valaddr
, int embedded_offset
,
321 CORE_ADDR address
, struct ui_file
*stream
, int recurse
,
322 const struct value
*val
,
323 const struct value_print_options
*options
,
324 const struct language_defn
*language
)
326 volatile struct gdb_exception except
;
328 struct value_print_options local_opts
= *options
;
329 struct type
*real_type
= check_typedef (type
);
331 if (local_opts
.pretty
== Val_pretty_default
)
332 local_opts
.pretty
= (local_opts
.prettyprint_structs
333 ? Val_prettyprint
: Val_no_prettyprint
);
337 /* Ensure that the type is complete and not just a stub. If the type is
338 only a stub and we can't find and substitute its complete type, then
339 print appropriate string and return. */
341 if (TYPE_STUB (real_type
))
343 fprintf_filtered (stream
, _("<incomplete type>"));
348 if (!valprint_check_validity (stream
, real_type
, embedded_offset
, val
))
353 ret
= apply_val_pretty_printer (type
, valaddr
, embedded_offset
,
354 address
, stream
, recurse
,
355 val
, options
, language
);
360 /* Handle summary mode. If the value is a scalar, print it;
361 otherwise, print an ellipsis. */
362 if (options
->summary
&& !scalar_type_p (type
))
364 fprintf_filtered (stream
, "...");
368 TRY_CATCH (except
, RETURN_MASK_ERROR
)
370 ret
= language
->la_val_print (type
, valaddr
, embedded_offset
, address
,
371 stream
, recurse
, val
,
374 if (except
.reason
< 0)
375 fprintf_filtered (stream
, _("<error reading variable>"));
380 /* Check whether the value VAL is printable. Return 1 if it is;
381 return 0 and print an appropriate error message to STREAM if it
385 value_check_printable (struct value
*val
, struct ui_file
*stream
)
389 fprintf_filtered (stream
, _("<address of value unknown>"));
393 if (value_entirely_optimized_out (val
))
395 val_print_optimized_out (stream
);
399 if (TYPE_CODE (value_type (val
)) == TYPE_CODE_INTERNAL_FUNCTION
)
401 fprintf_filtered (stream
, _("<internal function %s>"),
402 value_internal_function_name (val
));
409 /* Print using the given LANGUAGE the value VAL onto stream STREAM according
412 If the data are a string pointer, returns the number of string characters
415 This is a preferable interface to val_print, above, because it uses
416 GDB's value mechanism. */
419 common_val_print (struct value
*val
, struct ui_file
*stream
, int recurse
,
420 const struct value_print_options
*options
,
421 const struct language_defn
*language
)
423 if (!value_check_printable (val
, stream
))
426 if (language
->la_language
== language_ada
)
427 /* The value might have a dynamic type, which would cause trouble
428 below when trying to extract the value contents (since the value
429 size is determined from the type size which is unknown). So
430 get a fixed representation of our value. */
431 val
= ada_to_fixed_value (val
);
433 return val_print (value_type (val
), value_contents_for_printing (val
),
434 value_embedded_offset (val
), value_address (val
),
436 val
, options
, language
);
439 /* Print on stream STREAM the value VAL according to OPTIONS. The value
440 is printed using the current_language syntax.
442 If the object printed is a string pointer, return the number of string
446 value_print (struct value
*val
, struct ui_file
*stream
,
447 const struct value_print_options
*options
)
449 if (!value_check_printable (val
, stream
))
454 int r
= apply_val_pretty_printer (value_type (val
),
455 value_contents_for_printing (val
),
456 value_embedded_offset (val
),
459 val
, options
, current_language
);
465 return LA_VALUE_PRINT (val
, stream
, options
);
468 /* Called by various <lang>_val_print routines to print
469 TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the
470 value. STREAM is where to print the value. */
473 val_print_type_code_int (struct type
*type
, const gdb_byte
*valaddr
,
474 struct ui_file
*stream
)
476 enum bfd_endian byte_order
= gdbarch_byte_order (get_type_arch (type
));
478 if (TYPE_LENGTH (type
) > sizeof (LONGEST
))
482 if (TYPE_UNSIGNED (type
)
483 && extract_long_unsigned_integer (valaddr
, TYPE_LENGTH (type
),
486 print_longest (stream
, 'u', 0, val
);
490 /* Signed, or we couldn't turn an unsigned value into a
491 LONGEST. For signed values, one could assume two's
492 complement (a reasonable assumption, I think) and do
494 print_hex_chars (stream
, (unsigned char *) valaddr
,
495 TYPE_LENGTH (type
), byte_order
);
500 print_longest (stream
, TYPE_UNSIGNED (type
) ? 'u' : 'd', 0,
501 unpack_long (type
, valaddr
));
506 val_print_type_code_flags (struct type
*type
, const gdb_byte
*valaddr
,
507 struct ui_file
*stream
)
509 ULONGEST val
= unpack_long (type
, valaddr
);
510 int bitpos
, nfields
= TYPE_NFIELDS (type
);
512 fputs_filtered ("[ ", stream
);
513 for (bitpos
= 0; bitpos
< nfields
; bitpos
++)
515 if (TYPE_FIELD_BITPOS (type
, bitpos
) != -1
516 && (val
& ((ULONGEST
)1 << bitpos
)))
518 if (TYPE_FIELD_NAME (type
, bitpos
))
519 fprintf_filtered (stream
, "%s ", TYPE_FIELD_NAME (type
, bitpos
));
521 fprintf_filtered (stream
, "#%d ", bitpos
);
524 fputs_filtered ("]", stream
);
526 /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
527 according to OPTIONS and SIZE on STREAM. Format i is not supported
530 This is how the elements of an array or structure are printed
535 val_print_scalar_formatted (struct type
*type
,
536 const gdb_byte
*valaddr
, int embedded_offset
,
537 const struct value
*val
,
538 const struct value_print_options
*options
,
540 struct ui_file
*stream
)
542 gdb_assert (val
!= NULL
);
543 gdb_assert (valaddr
== value_contents_for_printing_const (val
));
545 /* If we get here with a string format, try again without it. Go
546 all the way back to the language printers, which may call us
548 if (options
->format
== 's')
550 struct value_print_options opts
= *options
;
553 val_print (type
, valaddr
, embedded_offset
, 0, stream
, 0, val
, &opts
,
558 /* A scalar object that does not have all bits available can't be
559 printed, because all bits contribute to its representation. */
560 if (!value_bits_valid (val
, TARGET_CHAR_BIT
* embedded_offset
,
561 TARGET_CHAR_BIT
* TYPE_LENGTH (type
)))
562 val_print_optimized_out (stream
);
564 print_scalar_formatted (valaddr
+ embedded_offset
, type
,
565 options
, size
, stream
);
568 /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g.
569 The raison d'etre of this function is to consolidate printing of
570 LONG_LONG's into this one function. The format chars b,h,w,g are
571 from print_scalar_formatted(). Numbers are printed using C
574 USE_C_FORMAT means to use C format in all cases. Without it,
575 'o' and 'x' format do not include the standard C radix prefix
578 Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL
579 and was intended to request formating according to the current
580 language and would be used for most integers that GDB prints. The
581 exceptional cases were things like protocols where the format of
582 the integer is a protocol thing, not a user-visible thing). The
583 parameter remains to preserve the information of what things might
584 be printed with language-specific format, should we ever resurrect
588 print_longest (struct ui_file
*stream
, int format
, int use_c_format
,
596 val
= int_string (val_long
, 10, 1, 0, 1); break;
598 val
= int_string (val_long
, 10, 0, 0, 1); break;
600 val
= int_string (val_long
, 16, 0, 0, use_c_format
); break;
602 val
= int_string (val_long
, 16, 0, 2, 1); break;
604 val
= int_string (val_long
, 16, 0, 4, 1); break;
606 val
= int_string (val_long
, 16, 0, 8, 1); break;
608 val
= int_string (val_long
, 16, 0, 16, 1); break;
611 val
= int_string (val_long
, 8, 0, 0, use_c_format
); break;
613 internal_error (__FILE__
, __LINE__
,
614 _("failed internal consistency check"));
616 fputs_filtered (val
, stream
);
619 /* This used to be a macro, but I don't think it is called often enough
620 to merit such treatment. */
621 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
622 arguments to a function, number in a value history, register number, etc.)
623 where the value must not be larger than can fit in an int. */
626 longest_to_int (LONGEST arg
)
628 /* Let the compiler do the work. */
629 int rtnval
= (int) arg
;
631 /* Check for overflows or underflows. */
632 if (sizeof (LONGEST
) > sizeof (int))
636 error (_("Value out of range."));
642 /* Print a floating point value of type TYPE (not always a
643 TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */
646 print_floating (const gdb_byte
*valaddr
, struct type
*type
,
647 struct ui_file
*stream
)
651 const struct floatformat
*fmt
= NULL
;
652 unsigned len
= TYPE_LENGTH (type
);
653 enum float_kind kind
;
655 /* If it is a floating-point, check for obvious problems. */
656 if (TYPE_CODE (type
) == TYPE_CODE_FLT
)
657 fmt
= floatformat_from_type (type
);
660 kind
= floatformat_classify (fmt
, valaddr
);
661 if (kind
== float_nan
)
663 if (floatformat_is_negative (fmt
, valaddr
))
664 fprintf_filtered (stream
, "-");
665 fprintf_filtered (stream
, "nan(");
666 fputs_filtered ("0x", stream
);
667 fputs_filtered (floatformat_mantissa (fmt
, valaddr
), stream
);
668 fprintf_filtered (stream
, ")");
671 else if (kind
== float_infinite
)
673 if (floatformat_is_negative (fmt
, valaddr
))
674 fputs_filtered ("-", stream
);
675 fputs_filtered ("inf", stream
);
680 /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating()
681 isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double
682 needs to be used as that takes care of any necessary type
683 conversions. Such conversions are of course direct to DOUBLEST
684 and disregard any possible target floating point limitations.
685 For instance, a u64 would be converted and displayed exactly on a
686 host with 80 bit DOUBLEST but with loss of information on a host
687 with 64 bit DOUBLEST. */
689 doub
= unpack_double (type
, valaddr
, &inv
);
692 fprintf_filtered (stream
, "<invalid float value>");
696 /* FIXME: kettenis/2001-01-20: The following code makes too much
697 assumptions about the host and target floating point format. */
699 /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may
700 not necessarily be a TYPE_CODE_FLT, the below ignores that and
701 instead uses the type's length to determine the precision of the
702 floating-point value being printed. */
704 if (len
< sizeof (double))
705 fprintf_filtered (stream
, "%.9g", (double) doub
);
706 else if (len
== sizeof (double))
707 fprintf_filtered (stream
, "%.17g", (double) doub
);
709 #ifdef PRINTF_HAS_LONG_DOUBLE
710 fprintf_filtered (stream
, "%.35Lg", doub
);
712 /* This at least wins with values that are representable as
714 fprintf_filtered (stream
, "%.17g", (double) doub
);
719 print_decimal_floating (const gdb_byte
*valaddr
, struct type
*type
,
720 struct ui_file
*stream
)
722 enum bfd_endian byte_order
= gdbarch_byte_order (get_type_arch (type
));
723 char decstr
[MAX_DECIMAL_STRING
];
724 unsigned len
= TYPE_LENGTH (type
);
726 decimal_to_string (valaddr
, len
, byte_order
, decstr
);
727 fputs_filtered (decstr
, stream
);
732 print_binary_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
733 unsigned len
, enum bfd_endian byte_order
)
736 #define BITS_IN_BYTES 8
742 /* Declared "int" so it will be signed.
743 This ensures that right shift will shift in zeros. */
745 const int mask
= 0x080;
747 /* FIXME: We should be not printing leading zeroes in most cases. */
749 if (byte_order
== BFD_ENDIAN_BIG
)
755 /* Every byte has 8 binary characters; peel off
756 and print from the MSB end. */
758 for (i
= 0; i
< (BITS_IN_BYTES
* sizeof (*p
)); i
++)
760 if (*p
& (mask
>> i
))
765 fprintf_filtered (stream
, "%1d", b
);
771 for (p
= valaddr
+ len
- 1;
775 for (i
= 0; i
< (BITS_IN_BYTES
* sizeof (*p
)); i
++)
777 if (*p
& (mask
>> i
))
782 fprintf_filtered (stream
, "%1d", b
);
788 /* VALADDR points to an integer of LEN bytes.
789 Print it in octal on stream or format it in buf. */
792 print_octal_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
793 unsigned len
, enum bfd_endian byte_order
)
796 unsigned char octa1
, octa2
, octa3
, carry
;
799 /* FIXME: We should be not printing leading zeroes in most cases. */
802 /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track
803 * the extra bits, which cycle every three bytes:
807 * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 |
809 * Octal side: 0 1 carry 3 4 carry ...
811 * Cycle number: 0 1 2
813 * But of course we are printing from the high side, so we have to
814 * figure out where in the cycle we are so that we end up with no
815 * left over bits at the end.
817 #define BITS_IN_OCTAL 3
818 #define HIGH_ZERO 0340
819 #define LOW_ZERO 0016
820 #define CARRY_ZERO 0003
821 #define HIGH_ONE 0200
824 #define CARRY_ONE 0001
825 #define HIGH_TWO 0300
829 /* For 32 we start in cycle 2, with two bits and one bit carry;
830 for 64 in cycle in cycle 1, with one bit and a two bit carry. */
832 cycle
= (len
* BITS_IN_BYTES
) % BITS_IN_OCTAL
;
835 fputs_filtered ("0", stream
);
836 if (byte_order
== BFD_ENDIAN_BIG
)
845 /* No carry in, carry out two bits. */
847 octa1
= (HIGH_ZERO
& *p
) >> 5;
848 octa2
= (LOW_ZERO
& *p
) >> 2;
849 carry
= (CARRY_ZERO
& *p
);
850 fprintf_filtered (stream
, "%o", octa1
);
851 fprintf_filtered (stream
, "%o", octa2
);
855 /* Carry in two bits, carry out one bit. */
857 octa1
= (carry
<< 1) | ((HIGH_ONE
& *p
) >> 7);
858 octa2
= (MID_ONE
& *p
) >> 4;
859 octa3
= (LOW_ONE
& *p
) >> 1;
860 carry
= (CARRY_ONE
& *p
);
861 fprintf_filtered (stream
, "%o", octa1
);
862 fprintf_filtered (stream
, "%o", octa2
);
863 fprintf_filtered (stream
, "%o", octa3
);
867 /* Carry in one bit, no carry out. */
869 octa1
= (carry
<< 2) | ((HIGH_TWO
& *p
) >> 6);
870 octa2
= (MID_TWO
& *p
) >> 3;
871 octa3
= (LOW_TWO
& *p
);
873 fprintf_filtered (stream
, "%o", octa1
);
874 fprintf_filtered (stream
, "%o", octa2
);
875 fprintf_filtered (stream
, "%o", octa3
);
879 error (_("Internal error in octal conversion;"));
883 cycle
= cycle
% BITS_IN_OCTAL
;
888 for (p
= valaddr
+ len
- 1;
895 /* Carry out, no carry in */
897 octa1
= (HIGH_ZERO
& *p
) >> 5;
898 octa2
= (LOW_ZERO
& *p
) >> 2;
899 carry
= (CARRY_ZERO
& *p
);
900 fprintf_filtered (stream
, "%o", octa1
);
901 fprintf_filtered (stream
, "%o", octa2
);
905 /* Carry in, carry out */
907 octa1
= (carry
<< 1) | ((HIGH_ONE
& *p
) >> 7);
908 octa2
= (MID_ONE
& *p
) >> 4;
909 octa3
= (LOW_ONE
& *p
) >> 1;
910 carry
= (CARRY_ONE
& *p
);
911 fprintf_filtered (stream
, "%o", octa1
);
912 fprintf_filtered (stream
, "%o", octa2
);
913 fprintf_filtered (stream
, "%o", octa3
);
917 /* Carry in, no carry out */
919 octa1
= (carry
<< 2) | ((HIGH_TWO
& *p
) >> 6);
920 octa2
= (MID_TWO
& *p
) >> 3;
921 octa3
= (LOW_TWO
& *p
);
923 fprintf_filtered (stream
, "%o", octa1
);
924 fprintf_filtered (stream
, "%o", octa2
);
925 fprintf_filtered (stream
, "%o", octa3
);
929 error (_("Internal error in octal conversion;"));
933 cycle
= cycle
% BITS_IN_OCTAL
;
939 /* VALADDR points to an integer of LEN bytes.
940 Print it in decimal on stream or format it in buf. */
943 print_decimal_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
944 unsigned len
, enum bfd_endian byte_order
)
947 #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */
948 #define CARRY_LEFT( x ) ((x) % TEN)
949 #define SHIFT( x ) ((x) << 4)
950 #define LOW_NIBBLE( x ) ( (x) & 0x00F)
951 #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4)
954 unsigned char *digits
;
957 int i
, j
, decimal_digits
;
961 /* Base-ten number is less than twice as many digits
962 as the base 16 number, which is 2 digits per byte. */
964 decimal_len
= len
* 2 * 2;
965 digits
= xmalloc (decimal_len
);
967 for (i
= 0; i
< decimal_len
; i
++)
972 /* Ok, we have an unknown number of bytes of data to be printed in
975 * Given a hex number (in nibbles) as XYZ, we start by taking X and
976 * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply
977 * the nibbles by 16, add Y and re-decimalize. Repeat with Z.
979 * The trick is that "digits" holds a base-10 number, but sometimes
980 * the individual digits are > 10.
982 * Outer loop is per nibble (hex digit) of input, from MSD end to
985 decimal_digits
= 0; /* Number of decimal digits so far */
986 p
= (byte_order
== BFD_ENDIAN_BIG
) ? valaddr
: valaddr
+ len
- 1;
988 while ((byte_order
== BFD_ENDIAN_BIG
) ? (p
< valaddr
+ len
) : (p
>= valaddr
))
991 * Multiply current base-ten number by 16 in place.
992 * Each digit was between 0 and 9, now is between
995 for (j
= 0; j
< decimal_digits
; j
++)
997 digits
[j
] = SHIFT (digits
[j
]);
1000 /* Take the next nibble off the input and add it to what
1001 * we've got in the LSB position. Bottom 'digit' is now
1002 * between 0 and 159.
1004 * "flip" is used to run this loop twice for each byte.
1008 /* Take top nibble. */
1010 digits
[0] += HIGH_NIBBLE (*p
);
1015 /* Take low nibble and bump our pointer "p". */
1017 digits
[0] += LOW_NIBBLE (*p
);
1018 if (byte_order
== BFD_ENDIAN_BIG
)
1025 /* Re-decimalize. We have to do this often enough
1026 * that we don't overflow, but once per nibble is
1027 * overkill. Easier this way, though. Note that the
1028 * carry is often larger than 10 (e.g. max initial
1029 * carry out of lowest nibble is 15, could bubble all
1030 * the way up greater than 10). So we have to do
1031 * the carrying beyond the last current digit.
1034 for (j
= 0; j
< decimal_len
- 1; j
++)
1038 /* "/" won't handle an unsigned char with
1039 * a value that if signed would be negative.
1040 * So extend to longword int via "dummy".
1043 carry
= CARRY_OUT (dummy
);
1044 digits
[j
] = CARRY_LEFT (dummy
);
1046 if (j
>= decimal_digits
&& carry
== 0)
1049 * All higher digits are 0 and we
1050 * no longer have a carry.
1052 * Note: "j" is 0-based, "decimal_digits" is
1055 decimal_digits
= j
+ 1;
1061 /* Ok, now "digits" is the decimal representation, with
1062 the "decimal_digits" actual digits. Print! */
1064 for (i
= decimal_digits
- 1; i
>= 0; i
--)
1066 fprintf_filtered (stream
, "%1d", digits
[i
]);
1071 /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
1074 print_hex_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
1075 unsigned len
, enum bfd_endian byte_order
)
1079 /* FIXME: We should be not printing leading zeroes in most cases. */
1081 fputs_filtered ("0x", stream
);
1082 if (byte_order
== BFD_ENDIAN_BIG
)
1088 fprintf_filtered (stream
, "%02x", *p
);
1093 for (p
= valaddr
+ len
- 1;
1097 fprintf_filtered (stream
, "%02x", *p
);
1102 /* VALADDR points to a char integer of LEN bytes.
1103 Print it out in appropriate language form on stream.
1104 Omit any leading zero chars. */
1107 print_char_chars (struct ui_file
*stream
, struct type
*type
,
1108 const gdb_byte
*valaddr
,
1109 unsigned len
, enum bfd_endian byte_order
)
1113 if (byte_order
== BFD_ENDIAN_BIG
)
1116 while (p
< valaddr
+ len
- 1 && *p
== 0)
1119 while (p
< valaddr
+ len
)
1121 LA_EMIT_CHAR (*p
, type
, stream
, '\'');
1127 p
= valaddr
+ len
- 1;
1128 while (p
> valaddr
&& *p
== 0)
1131 while (p
>= valaddr
)
1133 LA_EMIT_CHAR (*p
, type
, stream
, '\'');
1139 /* Print on STREAM using the given OPTIONS the index for the element
1140 at INDEX of an array whose index type is INDEX_TYPE. */
1143 maybe_print_array_index (struct type
*index_type
, LONGEST index
,
1144 struct ui_file
*stream
,
1145 const struct value_print_options
*options
)
1147 struct value
*index_value
;
1149 if (!options
->print_array_indexes
)
1152 index_value
= value_from_longest (index_type
, index
);
1154 LA_PRINT_ARRAY_INDEX (index_value
, stream
, options
);
1157 /* Called by various <lang>_val_print routines to print elements of an
1158 array in the form "<elem1>, <elem2>, <elem3>, ...".
1160 (FIXME?) Assumes array element separator is a comma, which is correct
1161 for all languages currently handled.
1162 (FIXME?) Some languages have a notation for repeated array elements,
1163 perhaps we should try to use that notation when appropriate. */
1166 val_print_array_elements (struct type
*type
,
1167 const gdb_byte
*valaddr
, int embedded_offset
,
1168 CORE_ADDR address
, struct ui_file
*stream
,
1170 const struct value
*val
,
1171 const struct value_print_options
*options
,
1174 unsigned int things_printed
= 0;
1176 struct type
*elttype
, *index_type
;
1178 /* Position of the array element we are examining to see
1179 whether it is repeated. */
1181 /* Number of repetitions we have detected so far. */
1183 LONGEST low_bound
, high_bound
;
1185 elttype
= TYPE_TARGET_TYPE (type
);
1186 eltlen
= TYPE_LENGTH (check_typedef (elttype
));
1187 index_type
= TYPE_INDEX_TYPE (type
);
1189 if (get_array_bounds (type
, &low_bound
, &high_bound
))
1191 /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1.
1192 But we have to be a little extra careful, because some languages
1193 such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for
1194 empty arrays. In that situation, the array length is just zero,
1196 if (low_bound
> high_bound
)
1199 len
= high_bound
- low_bound
+ 1;
1203 warning (_("unable to get bounds of array, assuming null array"));
1208 annotate_array_section_begin (i
, elttype
);
1210 for (; i
< len
&& things_printed
< options
->print_max
; i
++)
1214 if (options
->prettyprint_arrays
)
1216 fprintf_filtered (stream
, ",\n");
1217 print_spaces_filtered (2 + 2 * recurse
, stream
);
1221 fprintf_filtered (stream
, ", ");
1224 wrap_here (n_spaces (2 + 2 * recurse
));
1225 maybe_print_array_index (index_type
, i
+ low_bound
,
1231 && memcmp (valaddr
+ embedded_offset
+ i
* eltlen
,
1232 valaddr
+ embedded_offset
+ rep1
* eltlen
,
1239 if (reps
> options
->repeat_count_threshold
)
1241 val_print (elttype
, valaddr
, embedded_offset
+ i
* eltlen
,
1242 address
, stream
, recurse
+ 1, val
, options
,
1244 annotate_elt_rep (reps
);
1245 fprintf_filtered (stream
, " <repeats %u times>", reps
);
1246 annotate_elt_rep_end ();
1249 things_printed
+= options
->repeat_count_threshold
;
1253 val_print (elttype
, valaddr
, embedded_offset
+ i
* eltlen
,
1255 stream
, recurse
+ 1, val
, options
, current_language
);
1260 annotate_array_section_end ();
1263 fprintf_filtered (stream
, "...");
1267 /* Read LEN bytes of target memory at address MEMADDR, placing the
1268 results in GDB's memory at MYADDR. Returns a count of the bytes
1269 actually read, and optionally an errno value in the location
1270 pointed to by ERRNOPTR if ERRNOPTR is non-null. */
1272 /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this
1273 function be eliminated. */
1276 partial_memory_read (CORE_ADDR memaddr
, gdb_byte
*myaddr
,
1277 int len
, int *errnoptr
)
1279 int nread
; /* Number of bytes actually read. */
1280 int errcode
; /* Error from last read. */
1282 /* First try a complete read. */
1283 errcode
= target_read_memory (memaddr
, myaddr
, len
);
1291 /* Loop, reading one byte at a time until we get as much as we can. */
1292 for (errcode
= 0, nread
= 0; len
> 0 && errcode
== 0; nread
++, len
--)
1294 errcode
= target_read_memory (memaddr
++, myaddr
++, 1);
1296 /* If an error, the last read was unsuccessful, so adjust count. */
1302 if (errnoptr
!= NULL
)
1304 *errnoptr
= errcode
;
1309 /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes
1310 each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly
1311 allocated buffer containing the string, which the caller is responsible to
1312 free, and BYTES_READ will be set to the number of bytes read. Returns 0 on
1313 success, or errno on failure.
1315 If LEN > 0, reads exactly LEN characters (including eventual NULs in
1316 the middle or end of the string). If LEN is -1, stops at the first
1317 null character (not necessarily the first null byte) up to a maximum
1318 of FETCHLIMIT characters. Set FETCHLIMIT to UINT_MAX to read as many
1319 characters as possible from the string.
1321 Unless an exception is thrown, BUFFER will always be allocated, even on
1322 failure. In this case, some characters might have been read before the
1323 failure happened. Check BYTES_READ to recognize this situation.
1325 Note: There was a FIXME asking to make this code use target_read_string,
1326 but this function is more general (can read past null characters, up to
1327 given LEN). Besides, it is used much more often than target_read_string
1328 so it is more tested. Perhaps callers of target_read_string should use
1329 this function instead? */
1332 read_string (CORE_ADDR addr
, int len
, int width
, unsigned int fetchlimit
,
1333 enum bfd_endian byte_order
, gdb_byte
**buffer
, int *bytes_read
)
1335 int found_nul
; /* Non-zero if we found the nul char. */
1336 int errcode
; /* Errno returned from bad reads. */
1337 unsigned int nfetch
; /* Chars to fetch / chars fetched. */
1338 unsigned int chunksize
; /* Size of each fetch, in chars. */
1339 gdb_byte
*bufptr
; /* Pointer to next available byte in
1341 gdb_byte
*limit
; /* First location past end of fetch buffer. */
1342 struct cleanup
*old_chain
= NULL
; /* Top of the old cleanup chain. */
1344 /* Decide how large of chunks to try to read in one operation. This
1345 is also pretty simple. If LEN >= zero, then we want fetchlimit chars,
1346 so we might as well read them all in one operation. If LEN is -1, we
1347 are looking for a NUL terminator to end the fetching, so we might as
1348 well read in blocks that are large enough to be efficient, but not so
1349 large as to be slow if fetchlimit happens to be large. So we choose the
1350 minimum of 8 and fetchlimit. We used to use 200 instead of 8 but
1351 200 is way too big for remote debugging over a serial line. */
1353 chunksize
= (len
== -1 ? min (8, fetchlimit
) : fetchlimit
);
1355 /* Loop until we either have all the characters, or we encounter
1356 some error, such as bumping into the end of the address space. */
1361 old_chain
= make_cleanup (free_current_contents
, buffer
);
1365 *buffer
= (gdb_byte
*) xmalloc (len
* width
);
1368 nfetch
= partial_memory_read (addr
, bufptr
, len
* width
, &errcode
)
1370 addr
+= nfetch
* width
;
1371 bufptr
+= nfetch
* width
;
1375 unsigned long bufsize
= 0;
1380 nfetch
= min (chunksize
, fetchlimit
- bufsize
);
1382 if (*buffer
== NULL
)
1383 *buffer
= (gdb_byte
*) xmalloc (nfetch
* width
);
1385 *buffer
= (gdb_byte
*) xrealloc (*buffer
,
1386 (nfetch
+ bufsize
) * width
);
1388 bufptr
= *buffer
+ bufsize
* width
;
1391 /* Read as much as we can. */
1392 nfetch
= partial_memory_read (addr
, bufptr
, nfetch
* width
, &errcode
)
1395 /* Scan this chunk for the null character that terminates the string
1396 to print. If found, we don't need to fetch any more. Note
1397 that bufptr is explicitly left pointing at the next character
1398 after the null character, or at the next character after the end
1401 limit
= bufptr
+ nfetch
* width
;
1402 while (bufptr
< limit
)
1406 c
= extract_unsigned_integer (bufptr
, width
, byte_order
);
1411 /* We don't care about any error which happened after
1412 the NUL terminator. */
1419 while (errcode
== 0 /* no error */
1420 && bufptr
- *buffer
< fetchlimit
* width
/* no overrun */
1421 && !found_nul
); /* haven't found NUL yet */
1424 { /* Length of string is really 0! */
1425 /* We always allocate *buffer. */
1426 *buffer
= bufptr
= xmalloc (1);
1430 /* bufptr and addr now point immediately beyond the last byte which we
1431 consider part of the string (including a '\0' which ends the string). */
1432 *bytes_read
= bufptr
- *buffer
;
1436 discard_cleanups (old_chain
);
1441 /* Print a string from the inferior, starting at ADDR and printing up to LEN
1442 characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing
1443 stops at the first null byte, otherwise printing proceeds (including null
1444 bytes) until either print_max or LEN characters have been printed,
1445 whichever is smaller. ENCODING is the name of the string's
1446 encoding. It can be NULL, in which case the target encoding is
1450 val_print_string (struct type
*elttype
, const char *encoding
,
1451 CORE_ADDR addr
, int len
,
1452 struct ui_file
*stream
,
1453 const struct value_print_options
*options
)
1455 int force_ellipsis
= 0; /* Force ellipsis to be printed if nonzero. */
1456 int errcode
; /* Errno returned from bad reads. */
1457 int found_nul
; /* Non-zero if we found the nul char. */
1458 unsigned int fetchlimit
; /* Maximum number of chars to print. */
1460 gdb_byte
*buffer
= NULL
; /* Dynamically growable fetch buffer. */
1461 struct cleanup
*old_chain
= NULL
; /* Top of the old cleanup chain. */
1462 struct gdbarch
*gdbarch
= get_type_arch (elttype
);
1463 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
1464 int width
= TYPE_LENGTH (elttype
);
1466 /* First we need to figure out the limit on the number of characters we are
1467 going to attempt to fetch and print. This is actually pretty simple. If
1468 LEN >= zero, then the limit is the minimum of LEN and print_max. If
1469 LEN is -1, then the limit is print_max. This is true regardless of
1470 whether print_max is zero, UINT_MAX (unlimited), or something in between,
1471 because finding the null byte (or available memory) is what actually
1472 limits the fetch. */
1474 fetchlimit
= (len
== -1 ? options
->print_max
: min (len
,
1475 options
->print_max
));
1477 errcode
= read_string (addr
, len
, width
, fetchlimit
, byte_order
,
1478 &buffer
, &bytes_read
);
1479 old_chain
= make_cleanup (xfree
, buffer
);
1483 /* We now have either successfully filled the buffer to fetchlimit,
1484 or terminated early due to an error or finding a null char when
1487 /* Determine found_nul by looking at the last character read. */
1488 found_nul
= extract_unsigned_integer (buffer
+ bytes_read
- width
, width
,
1490 if (len
== -1 && !found_nul
)
1494 /* We didn't find a NUL terminator we were looking for. Attempt
1495 to peek at the next character. If not successful, or it is not
1496 a null byte, then force ellipsis to be printed. */
1498 peekbuf
= (gdb_byte
*) alloca (width
);
1500 if (target_read_memory (addr
, peekbuf
, width
) == 0
1501 && extract_unsigned_integer (peekbuf
, width
, byte_order
) != 0)
1504 else if ((len
>= 0 && errcode
!= 0) || (len
> bytes_read
/ width
))
1506 /* Getting an error when we have a requested length, or fetching less
1507 than the number of characters actually requested, always make us
1512 /* If we get an error before fetching anything, don't print a string.
1513 But if we fetch something and then get an error, print the string
1514 and then the error message. */
1515 if (errcode
== 0 || bytes_read
> 0)
1517 if (options
->addressprint
)
1519 fputs_filtered (" ", stream
);
1521 LA_PRINT_STRING (stream
, elttype
, buffer
, bytes_read
/ width
,
1522 encoding
, force_ellipsis
, options
);
1529 fprintf_filtered (stream
, " <Address ");
1530 fputs_filtered (paddress (gdbarch
, addr
), stream
);
1531 fprintf_filtered (stream
, " out of bounds>");
1535 fprintf_filtered (stream
, " <Error reading address ");
1536 fputs_filtered (paddress (gdbarch
, addr
), stream
);
1537 fprintf_filtered (stream
, ": %s>", safe_strerror (errcode
));
1542 do_cleanups (old_chain
);
1544 return (bytes_read
/ width
);
1548 /* The 'set input-radix' command writes to this auxiliary variable.
1549 If the requested radix is valid, INPUT_RADIX is updated; otherwise,
1550 it is left unchanged. */
1552 static unsigned input_radix_1
= 10;
1554 /* Validate an input or output radix setting, and make sure the user
1555 knows what they really did here. Radix setting is confusing, e.g.
1556 setting the input radix to "10" never changes it! */
1559 set_input_radix (char *args
, int from_tty
, struct cmd_list_element
*c
)
1561 set_input_radix_1 (from_tty
, input_radix_1
);
1565 set_input_radix_1 (int from_tty
, unsigned radix
)
1567 /* We don't currently disallow any input radix except 0 or 1, which don't
1568 make any mathematical sense. In theory, we can deal with any input
1569 radix greater than 1, even if we don't have unique digits for every
1570 value from 0 to radix-1, but in practice we lose on large radix values.
1571 We should either fix the lossage or restrict the radix range more.
1576 input_radix_1
= input_radix
;
1577 error (_("Nonsense input radix ``decimal %u''; input radix unchanged."),
1580 input_radix_1
= input_radix
= radix
;
1583 printf_filtered (_("Input radix now set to "
1584 "decimal %u, hex %x, octal %o.\n"),
1585 radix
, radix
, radix
);
1589 /* The 'set output-radix' command writes to this auxiliary variable.
1590 If the requested radix is valid, OUTPUT_RADIX is updated,
1591 otherwise, it is left unchanged. */
1593 static unsigned output_radix_1
= 10;
1596 set_output_radix (char *args
, int from_tty
, struct cmd_list_element
*c
)
1598 set_output_radix_1 (from_tty
, output_radix_1
);
1602 set_output_radix_1 (int from_tty
, unsigned radix
)
1604 /* Validate the radix and disallow ones that we aren't prepared to
1605 handle correctly, leaving the radix unchanged. */
1609 user_print_options
.output_format
= 'x'; /* hex */
1612 user_print_options
.output_format
= 0; /* decimal */
1615 user_print_options
.output_format
= 'o'; /* octal */
1618 output_radix_1
= output_radix
;
1619 error (_("Unsupported output radix ``decimal %u''; "
1620 "output radix unchanged."),
1623 output_radix_1
= output_radix
= radix
;
1626 printf_filtered (_("Output radix now set to "
1627 "decimal %u, hex %x, octal %o.\n"),
1628 radix
, radix
, radix
);
1632 /* Set both the input and output radix at once. Try to set the output radix
1633 first, since it has the most restrictive range. An radix that is valid as
1634 an output radix is also valid as an input radix.
1636 It may be useful to have an unusual input radix. If the user wishes to
1637 set an input radix that is not valid as an output radix, he needs to use
1638 the 'set input-radix' command. */
1641 set_radix (char *arg
, int from_tty
)
1645 radix
= (arg
== NULL
) ? 10 : parse_and_eval_long (arg
);
1646 set_output_radix_1 (0, radix
);
1647 set_input_radix_1 (0, radix
);
1650 printf_filtered (_("Input and output radices now set to "
1651 "decimal %u, hex %x, octal %o.\n"),
1652 radix
, radix
, radix
);
1656 /* Show both the input and output radices. */
1659 show_radix (char *arg
, int from_tty
)
1663 if (input_radix
== output_radix
)
1665 printf_filtered (_("Input and output radices set to "
1666 "decimal %u, hex %x, octal %o.\n"),
1667 input_radix
, input_radix
, input_radix
);
1671 printf_filtered (_("Input radix set to decimal "
1672 "%u, hex %x, octal %o.\n"),
1673 input_radix
, input_radix
, input_radix
);
1674 printf_filtered (_("Output radix set to decimal "
1675 "%u, hex %x, octal %o.\n"),
1676 output_radix
, output_radix
, output_radix
);
1683 set_print (char *arg
, int from_tty
)
1686 "\"set print\" must be followed by the name of a print subcommand.\n");
1687 help_list (setprintlist
, "set print ", -1, gdb_stdout
);
1691 show_print (char *args
, int from_tty
)
1693 cmd_show_list (showprintlist
, from_tty
, "");
1697 _initialize_valprint (void)
1699 add_prefix_cmd ("print", no_class
, set_print
,
1700 _("Generic command for setting how things print."),
1701 &setprintlist
, "set print ", 0, &setlist
);
1702 add_alias_cmd ("p", "print", no_class
, 1, &setlist
);
1703 /* Prefer set print to set prompt. */
1704 add_alias_cmd ("pr", "print", no_class
, 1, &setlist
);
1706 add_prefix_cmd ("print", no_class
, show_print
,
1707 _("Generic command for showing print settings."),
1708 &showprintlist
, "show print ", 0, &showlist
);
1709 add_alias_cmd ("p", "print", no_class
, 1, &showlist
);
1710 add_alias_cmd ("pr", "print", no_class
, 1, &showlist
);
1712 add_setshow_uinteger_cmd ("elements", no_class
,
1713 &user_print_options
.print_max
, _("\
1714 Set limit on string chars or array elements to print."), _("\
1715 Show limit on string chars or array elements to print."), _("\
1716 \"set print elements 0\" causes there to be no limit."),
1719 &setprintlist
, &showprintlist
);
1721 add_setshow_boolean_cmd ("null-stop", no_class
,
1722 &user_print_options
.stop_print_at_null
, _("\
1723 Set printing of char arrays to stop at first null char."), _("\
1724 Show printing of char arrays to stop at first null char."), NULL
,
1726 show_stop_print_at_null
,
1727 &setprintlist
, &showprintlist
);
1729 add_setshow_uinteger_cmd ("repeats", no_class
,
1730 &user_print_options
.repeat_count_threshold
, _("\
1731 Set threshold for repeated print elements."), _("\
1732 Show threshold for repeated print elements."), _("\
1733 \"set print repeats 0\" causes all elements to be individually printed."),
1735 show_repeat_count_threshold
,
1736 &setprintlist
, &showprintlist
);
1738 add_setshow_boolean_cmd ("pretty", class_support
,
1739 &user_print_options
.prettyprint_structs
, _("\
1740 Set prettyprinting of structures."), _("\
1741 Show prettyprinting of structures."), NULL
,
1743 show_prettyprint_structs
,
1744 &setprintlist
, &showprintlist
);
1746 add_setshow_boolean_cmd ("union", class_support
,
1747 &user_print_options
.unionprint
, _("\
1748 Set printing of unions interior to structures."), _("\
1749 Show printing of unions interior to structures."), NULL
,
1752 &setprintlist
, &showprintlist
);
1754 add_setshow_boolean_cmd ("array", class_support
,
1755 &user_print_options
.prettyprint_arrays
, _("\
1756 Set prettyprinting of arrays."), _("\
1757 Show prettyprinting of arrays."), NULL
,
1759 show_prettyprint_arrays
,
1760 &setprintlist
, &showprintlist
);
1762 add_setshow_boolean_cmd ("address", class_support
,
1763 &user_print_options
.addressprint
, _("\
1764 Set printing of addresses."), _("\
1765 Show printing of addresses."), NULL
,
1768 &setprintlist
, &showprintlist
);
1770 add_setshow_zuinteger_cmd ("input-radix", class_support
, &input_radix_1
,
1772 Set default input radix for entering numbers."), _("\
1773 Show default input radix for entering numbers."), NULL
,
1776 &setlist
, &showlist
);
1778 add_setshow_zuinteger_cmd ("output-radix", class_support
, &output_radix_1
,
1780 Set default output radix for printing of values."), _("\
1781 Show default output radix for printing of values."), NULL
,
1784 &setlist
, &showlist
);
1786 /* The "set radix" and "show radix" commands are special in that
1787 they are like normal set and show commands but allow two normally
1788 independent variables to be either set or shown with a single
1789 command. So the usual deprecated_add_set_cmd() and [deleted]
1790 add_show_from_set() commands aren't really appropriate. */
1791 /* FIXME: i18n: With the new add_setshow_integer command, that is no
1792 longer true - show can display anything. */
1793 add_cmd ("radix", class_support
, set_radix
, _("\
1794 Set default input and output number radices.\n\
1795 Use 'set input-radix' or 'set output-radix' to independently set each.\n\
1796 Without an argument, sets both radices back to the default value of 10."),
1798 add_cmd ("radix", class_support
, show_radix
, _("\
1799 Show the default input and output number radices.\n\
1800 Use 'show input-radix' or 'show output-radix' to independently show each."),
1803 add_setshow_boolean_cmd ("array-indexes", class_support
,
1804 &user_print_options
.print_array_indexes
, _("\
1805 Set printing of array indexes."), _("\
1806 Show printing of array indexes"), NULL
, NULL
, show_print_array_indexes
,
1807 &setprintlist
, &showprintlist
);