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>"));
308 /* Print using the given LANGUAGE the data of type TYPE located at
309 VALADDR + EMBEDDED_OFFSET (within GDB), which came from the
310 inferior at address ADDRESS + EMBEDDED_OFFSET, onto stdio stream
311 STREAM according to OPTIONS. VAL is the whole object that came
312 from ADDRESS. VALADDR must point to the head of VAL's contents
315 The language printers will pass down an adjusted EMBEDDED_OFFSET to
316 further helper subroutines as subfields of TYPE are printed. In
317 such cases, VALADDR is passed down unadjusted, as well as VAL, so
318 that VAL can be queried for metadata about the contents data being
319 printed, using EMBEDDED_OFFSET as an offset into VAL's contents
320 buffer. For example: "has this field been optimized out", or "I'm
321 printing an object while inspecting a traceframe; has this
322 particular piece of data been collected?".
324 RECURSE indicates the amount of indentation to supply before
325 continuation lines; this amount is roughly twice the value of
328 If the data is printed as a string, returns the number of string
329 characters printed. */
332 val_print (struct type
*type
, const gdb_byte
*valaddr
, int embedded_offset
,
333 CORE_ADDR address
, struct ui_file
*stream
, int recurse
,
334 const struct value
*val
,
335 const struct value_print_options
*options
,
336 const struct language_defn
*language
)
338 volatile struct gdb_exception except
;
340 struct value_print_options local_opts
= *options
;
341 struct type
*real_type
= check_typedef (type
);
343 if (local_opts
.pretty
== Val_pretty_default
)
344 local_opts
.pretty
= (local_opts
.prettyprint_structs
345 ? Val_prettyprint
: Val_no_prettyprint
);
349 /* Ensure that the type is complete and not just a stub. If the type is
350 only a stub and we can't find and substitute its complete type, then
351 print appropriate string and return. */
353 if (TYPE_STUB (real_type
))
355 fprintf_filtered (stream
, _("<incomplete type>"));
360 if (!valprint_check_validity (stream
, real_type
, embedded_offset
, val
))
365 ret
= apply_val_pretty_printer (type
, valaddr
, embedded_offset
,
366 address
, stream
, recurse
,
367 val
, options
, language
);
372 /* Handle summary mode. If the value is a scalar, print it;
373 otherwise, print an ellipsis. */
374 if (options
->summary
&& !scalar_type_p (type
))
376 fprintf_filtered (stream
, "...");
380 TRY_CATCH (except
, RETURN_MASK_ERROR
)
382 ret
= language
->la_val_print (type
, valaddr
, embedded_offset
, address
,
383 stream
, recurse
, val
,
386 if (except
.reason
< 0)
387 fprintf_filtered (stream
, _("<error reading variable>"));
392 /* Check whether the value VAL is printable. Return 1 if it is;
393 return 0 and print an appropriate error message to STREAM if it
397 value_check_printable (struct value
*val
, struct ui_file
*stream
)
401 fprintf_filtered (stream
, _("<address of value unknown>"));
405 if (value_entirely_optimized_out (val
))
407 val_print_optimized_out (stream
);
411 if (TYPE_CODE (value_type (val
)) == TYPE_CODE_INTERNAL_FUNCTION
)
413 fprintf_filtered (stream
, _("<internal function %s>"),
414 value_internal_function_name (val
));
421 /* Print using the given LANGUAGE the value VAL onto stream STREAM according
424 If the data are a string pointer, returns the number of string characters
427 This is a preferable interface to val_print, above, because it uses
428 GDB's value mechanism. */
431 common_val_print (struct value
*val
, struct ui_file
*stream
, int recurse
,
432 const struct value_print_options
*options
,
433 const struct language_defn
*language
)
435 if (!value_check_printable (val
, stream
))
438 if (language
->la_language
== language_ada
)
439 /* The value might have a dynamic type, which would cause trouble
440 below when trying to extract the value contents (since the value
441 size is determined from the type size which is unknown). So
442 get a fixed representation of our value. */
443 val
= ada_to_fixed_value (val
);
445 return val_print (value_type (val
), value_contents_for_printing (val
),
446 value_embedded_offset (val
), value_address (val
),
448 val
, options
, language
);
451 /* Print on stream STREAM the value VAL according to OPTIONS. The value
452 is printed using the current_language syntax.
454 If the object printed is a string pointer, return the number of string
458 value_print (struct value
*val
, struct ui_file
*stream
,
459 const struct value_print_options
*options
)
461 if (!value_check_printable (val
, stream
))
466 int r
= apply_val_pretty_printer (value_type (val
),
467 value_contents_for_printing (val
),
468 value_embedded_offset (val
),
471 val
, options
, current_language
);
477 return LA_VALUE_PRINT (val
, stream
, options
);
480 /* Called by various <lang>_val_print routines to print
481 TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the
482 value. STREAM is where to print the value. */
485 val_print_type_code_int (struct type
*type
, const gdb_byte
*valaddr
,
486 struct ui_file
*stream
)
488 enum bfd_endian byte_order
= gdbarch_byte_order (get_type_arch (type
));
490 if (TYPE_LENGTH (type
) > sizeof (LONGEST
))
494 if (TYPE_UNSIGNED (type
)
495 && extract_long_unsigned_integer (valaddr
, TYPE_LENGTH (type
),
498 print_longest (stream
, 'u', 0, val
);
502 /* Signed, or we couldn't turn an unsigned value into a
503 LONGEST. For signed values, one could assume two's
504 complement (a reasonable assumption, I think) and do
506 print_hex_chars (stream
, (unsigned char *) valaddr
,
507 TYPE_LENGTH (type
), byte_order
);
512 print_longest (stream
, TYPE_UNSIGNED (type
) ? 'u' : 'd', 0,
513 unpack_long (type
, valaddr
));
518 val_print_type_code_flags (struct type
*type
, const gdb_byte
*valaddr
,
519 struct ui_file
*stream
)
521 ULONGEST val
= unpack_long (type
, valaddr
);
522 int bitpos
, nfields
= TYPE_NFIELDS (type
);
524 fputs_filtered ("[ ", stream
);
525 for (bitpos
= 0; bitpos
< nfields
; bitpos
++)
527 if (TYPE_FIELD_BITPOS (type
, bitpos
) != -1
528 && (val
& ((ULONGEST
)1 << bitpos
)))
530 if (TYPE_FIELD_NAME (type
, bitpos
))
531 fprintf_filtered (stream
, "%s ", TYPE_FIELD_NAME (type
, bitpos
));
533 fprintf_filtered (stream
, "#%d ", bitpos
);
536 fputs_filtered ("]", stream
);
538 /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
539 according to OPTIONS and SIZE on STREAM. Format i is not supported
542 This is how the elements of an array or structure are printed
547 val_print_scalar_formatted (struct type
*type
,
548 const gdb_byte
*valaddr
, int embedded_offset
,
549 const struct value
*val
,
550 const struct value_print_options
*options
,
552 struct ui_file
*stream
)
554 gdb_assert (val
!= NULL
);
555 gdb_assert (valaddr
== value_contents_for_printing_const (val
));
557 /* If we get here with a string format, try again without it. Go
558 all the way back to the language printers, which may call us
560 if (options
->format
== 's')
562 struct value_print_options opts
= *options
;
565 val_print (type
, valaddr
, embedded_offset
, 0, stream
, 0, val
, &opts
,
570 /* A scalar object that does not have all bits available can't be
571 printed, because all bits contribute to its representation. */
572 if (!value_bits_valid (val
, TARGET_CHAR_BIT
* embedded_offset
,
573 TARGET_CHAR_BIT
* TYPE_LENGTH (type
)))
574 val_print_optimized_out (stream
);
575 else if (!value_bytes_available (val
, embedded_offset
, TYPE_LENGTH (type
)))
576 val_print_unavailable (stream
);
578 print_scalar_formatted (valaddr
+ embedded_offset
, type
,
579 options
, size
, stream
);
582 /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g.
583 The raison d'etre of this function is to consolidate printing of
584 LONG_LONG's into this one function. The format chars b,h,w,g are
585 from print_scalar_formatted(). Numbers are printed using C
588 USE_C_FORMAT means to use C format in all cases. Without it,
589 'o' and 'x' format do not include the standard C radix prefix
592 Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL
593 and was intended to request formating according to the current
594 language and would be used for most integers that GDB prints. The
595 exceptional cases were things like protocols where the format of
596 the integer is a protocol thing, not a user-visible thing). The
597 parameter remains to preserve the information of what things might
598 be printed with language-specific format, should we ever resurrect
602 print_longest (struct ui_file
*stream
, int format
, int use_c_format
,
610 val
= int_string (val_long
, 10, 1, 0, 1); break;
612 val
= int_string (val_long
, 10, 0, 0, 1); break;
614 val
= int_string (val_long
, 16, 0, 0, use_c_format
); break;
616 val
= int_string (val_long
, 16, 0, 2, 1); break;
618 val
= int_string (val_long
, 16, 0, 4, 1); break;
620 val
= int_string (val_long
, 16, 0, 8, 1); break;
622 val
= int_string (val_long
, 16, 0, 16, 1); break;
625 val
= int_string (val_long
, 8, 0, 0, use_c_format
); break;
627 internal_error (__FILE__
, __LINE__
,
628 _("failed internal consistency check"));
630 fputs_filtered (val
, stream
);
633 /* This used to be a macro, but I don't think it is called often enough
634 to merit such treatment. */
635 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
636 arguments to a function, number in a value history, register number, etc.)
637 where the value must not be larger than can fit in an int. */
640 longest_to_int (LONGEST arg
)
642 /* Let the compiler do the work. */
643 int rtnval
= (int) arg
;
645 /* Check for overflows or underflows. */
646 if (sizeof (LONGEST
) > sizeof (int))
650 error (_("Value out of range."));
656 /* Print a floating point value of type TYPE (not always a
657 TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */
660 print_floating (const gdb_byte
*valaddr
, struct type
*type
,
661 struct ui_file
*stream
)
665 const struct floatformat
*fmt
= NULL
;
666 unsigned len
= TYPE_LENGTH (type
);
667 enum float_kind kind
;
669 /* If it is a floating-point, check for obvious problems. */
670 if (TYPE_CODE (type
) == TYPE_CODE_FLT
)
671 fmt
= floatformat_from_type (type
);
674 kind
= floatformat_classify (fmt
, valaddr
);
675 if (kind
== float_nan
)
677 if (floatformat_is_negative (fmt
, valaddr
))
678 fprintf_filtered (stream
, "-");
679 fprintf_filtered (stream
, "nan(");
680 fputs_filtered ("0x", stream
);
681 fputs_filtered (floatformat_mantissa (fmt
, valaddr
), stream
);
682 fprintf_filtered (stream
, ")");
685 else if (kind
== float_infinite
)
687 if (floatformat_is_negative (fmt
, valaddr
))
688 fputs_filtered ("-", stream
);
689 fputs_filtered ("inf", stream
);
694 /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating()
695 isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double
696 needs to be used as that takes care of any necessary type
697 conversions. Such conversions are of course direct to DOUBLEST
698 and disregard any possible target floating point limitations.
699 For instance, a u64 would be converted and displayed exactly on a
700 host with 80 bit DOUBLEST but with loss of information on a host
701 with 64 bit DOUBLEST. */
703 doub
= unpack_double (type
, valaddr
, &inv
);
706 fprintf_filtered (stream
, "<invalid float value>");
710 /* FIXME: kettenis/2001-01-20: The following code makes too much
711 assumptions about the host and target floating point format. */
713 /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may
714 not necessarily be a TYPE_CODE_FLT, the below ignores that and
715 instead uses the type's length to determine the precision of the
716 floating-point value being printed. */
718 if (len
< sizeof (double))
719 fprintf_filtered (stream
, "%.9g", (double) doub
);
720 else if (len
== sizeof (double))
721 fprintf_filtered (stream
, "%.17g", (double) doub
);
723 #ifdef PRINTF_HAS_LONG_DOUBLE
724 fprintf_filtered (stream
, "%.35Lg", doub
);
726 /* This at least wins with values that are representable as
728 fprintf_filtered (stream
, "%.17g", (double) doub
);
733 print_decimal_floating (const gdb_byte
*valaddr
, struct type
*type
,
734 struct ui_file
*stream
)
736 enum bfd_endian byte_order
= gdbarch_byte_order (get_type_arch (type
));
737 char decstr
[MAX_DECIMAL_STRING
];
738 unsigned len
= TYPE_LENGTH (type
);
740 decimal_to_string (valaddr
, len
, byte_order
, decstr
);
741 fputs_filtered (decstr
, stream
);
746 print_binary_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
747 unsigned len
, enum bfd_endian byte_order
)
750 #define BITS_IN_BYTES 8
756 /* Declared "int" so it will be signed.
757 This ensures that right shift will shift in zeros. */
759 const int mask
= 0x080;
761 /* FIXME: We should be not printing leading zeroes in most cases. */
763 if (byte_order
== BFD_ENDIAN_BIG
)
769 /* Every byte has 8 binary characters; peel off
770 and print from the MSB end. */
772 for (i
= 0; i
< (BITS_IN_BYTES
* sizeof (*p
)); i
++)
774 if (*p
& (mask
>> i
))
779 fprintf_filtered (stream
, "%1d", b
);
785 for (p
= valaddr
+ len
- 1;
789 for (i
= 0; i
< (BITS_IN_BYTES
* sizeof (*p
)); i
++)
791 if (*p
& (mask
>> i
))
796 fprintf_filtered (stream
, "%1d", b
);
802 /* VALADDR points to an integer of LEN bytes.
803 Print it in octal on stream or format it in buf. */
806 print_octal_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
807 unsigned len
, enum bfd_endian byte_order
)
810 unsigned char octa1
, octa2
, octa3
, carry
;
813 /* FIXME: We should be not printing leading zeroes in most cases. */
816 /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track
817 * the extra bits, which cycle every three bytes:
821 * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 |
823 * Octal side: 0 1 carry 3 4 carry ...
825 * Cycle number: 0 1 2
827 * But of course we are printing from the high side, so we have to
828 * figure out where in the cycle we are so that we end up with no
829 * left over bits at the end.
831 #define BITS_IN_OCTAL 3
832 #define HIGH_ZERO 0340
833 #define LOW_ZERO 0016
834 #define CARRY_ZERO 0003
835 #define HIGH_ONE 0200
838 #define CARRY_ONE 0001
839 #define HIGH_TWO 0300
843 /* For 32 we start in cycle 2, with two bits and one bit carry;
844 for 64 in cycle in cycle 1, with one bit and a two bit carry. */
846 cycle
= (len
* BITS_IN_BYTES
) % BITS_IN_OCTAL
;
849 fputs_filtered ("0", stream
);
850 if (byte_order
== BFD_ENDIAN_BIG
)
859 /* No carry in, carry out two bits. */
861 octa1
= (HIGH_ZERO
& *p
) >> 5;
862 octa2
= (LOW_ZERO
& *p
) >> 2;
863 carry
= (CARRY_ZERO
& *p
);
864 fprintf_filtered (stream
, "%o", octa1
);
865 fprintf_filtered (stream
, "%o", octa2
);
869 /* Carry in two bits, carry out one bit. */
871 octa1
= (carry
<< 1) | ((HIGH_ONE
& *p
) >> 7);
872 octa2
= (MID_ONE
& *p
) >> 4;
873 octa3
= (LOW_ONE
& *p
) >> 1;
874 carry
= (CARRY_ONE
& *p
);
875 fprintf_filtered (stream
, "%o", octa1
);
876 fprintf_filtered (stream
, "%o", octa2
);
877 fprintf_filtered (stream
, "%o", octa3
);
881 /* Carry in one bit, no carry out. */
883 octa1
= (carry
<< 2) | ((HIGH_TWO
& *p
) >> 6);
884 octa2
= (MID_TWO
& *p
) >> 3;
885 octa3
= (LOW_TWO
& *p
);
887 fprintf_filtered (stream
, "%o", octa1
);
888 fprintf_filtered (stream
, "%o", octa2
);
889 fprintf_filtered (stream
, "%o", octa3
);
893 error (_("Internal error in octal conversion;"));
897 cycle
= cycle
% BITS_IN_OCTAL
;
902 for (p
= valaddr
+ len
- 1;
909 /* Carry out, no carry in */
911 octa1
= (HIGH_ZERO
& *p
) >> 5;
912 octa2
= (LOW_ZERO
& *p
) >> 2;
913 carry
= (CARRY_ZERO
& *p
);
914 fprintf_filtered (stream
, "%o", octa1
);
915 fprintf_filtered (stream
, "%o", octa2
);
919 /* Carry in, carry out */
921 octa1
= (carry
<< 1) | ((HIGH_ONE
& *p
) >> 7);
922 octa2
= (MID_ONE
& *p
) >> 4;
923 octa3
= (LOW_ONE
& *p
) >> 1;
924 carry
= (CARRY_ONE
& *p
);
925 fprintf_filtered (stream
, "%o", octa1
);
926 fprintf_filtered (stream
, "%o", octa2
);
927 fprintf_filtered (stream
, "%o", octa3
);
931 /* Carry in, no carry out */
933 octa1
= (carry
<< 2) | ((HIGH_TWO
& *p
) >> 6);
934 octa2
= (MID_TWO
& *p
) >> 3;
935 octa3
= (LOW_TWO
& *p
);
937 fprintf_filtered (stream
, "%o", octa1
);
938 fprintf_filtered (stream
, "%o", octa2
);
939 fprintf_filtered (stream
, "%o", octa3
);
943 error (_("Internal error in octal conversion;"));
947 cycle
= cycle
% BITS_IN_OCTAL
;
953 /* VALADDR points to an integer of LEN bytes.
954 Print it in decimal on stream or format it in buf. */
957 print_decimal_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
958 unsigned len
, enum bfd_endian byte_order
)
961 #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */
962 #define CARRY_LEFT( x ) ((x) % TEN)
963 #define SHIFT( x ) ((x) << 4)
964 #define LOW_NIBBLE( x ) ( (x) & 0x00F)
965 #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4)
968 unsigned char *digits
;
971 int i
, j
, decimal_digits
;
975 /* Base-ten number is less than twice as many digits
976 as the base 16 number, which is 2 digits per byte. */
978 decimal_len
= len
* 2 * 2;
979 digits
= xmalloc (decimal_len
);
981 for (i
= 0; i
< decimal_len
; i
++)
986 /* Ok, we have an unknown number of bytes of data to be printed in
989 * Given a hex number (in nibbles) as XYZ, we start by taking X and
990 * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply
991 * the nibbles by 16, add Y and re-decimalize. Repeat with Z.
993 * The trick is that "digits" holds a base-10 number, but sometimes
994 * the individual digits are > 10.
996 * Outer loop is per nibble (hex digit) of input, from MSD end to
999 decimal_digits
= 0; /* Number of decimal digits so far */
1000 p
= (byte_order
== BFD_ENDIAN_BIG
) ? valaddr
: valaddr
+ len
- 1;
1002 while ((byte_order
== BFD_ENDIAN_BIG
) ? (p
< valaddr
+ len
) : (p
>= valaddr
))
1005 * Multiply current base-ten number by 16 in place.
1006 * Each digit was between 0 and 9, now is between
1009 for (j
= 0; j
< decimal_digits
; j
++)
1011 digits
[j
] = SHIFT (digits
[j
]);
1014 /* Take the next nibble off the input and add it to what
1015 * we've got in the LSB position. Bottom 'digit' is now
1016 * between 0 and 159.
1018 * "flip" is used to run this loop twice for each byte.
1022 /* Take top nibble. */
1024 digits
[0] += HIGH_NIBBLE (*p
);
1029 /* Take low nibble and bump our pointer "p". */
1031 digits
[0] += LOW_NIBBLE (*p
);
1032 if (byte_order
== BFD_ENDIAN_BIG
)
1039 /* Re-decimalize. We have to do this often enough
1040 * that we don't overflow, but once per nibble is
1041 * overkill. Easier this way, though. Note that the
1042 * carry is often larger than 10 (e.g. max initial
1043 * carry out of lowest nibble is 15, could bubble all
1044 * the way up greater than 10). So we have to do
1045 * the carrying beyond the last current digit.
1048 for (j
= 0; j
< decimal_len
- 1; j
++)
1052 /* "/" won't handle an unsigned char with
1053 * a value that if signed would be negative.
1054 * So extend to longword int via "dummy".
1057 carry
= CARRY_OUT (dummy
);
1058 digits
[j
] = CARRY_LEFT (dummy
);
1060 if (j
>= decimal_digits
&& carry
== 0)
1063 * All higher digits are 0 and we
1064 * no longer have a carry.
1066 * Note: "j" is 0-based, "decimal_digits" is
1069 decimal_digits
= j
+ 1;
1075 /* Ok, now "digits" is the decimal representation, with
1076 the "decimal_digits" actual digits. Print! */
1078 for (i
= decimal_digits
- 1; i
>= 0; i
--)
1080 fprintf_filtered (stream
, "%1d", digits
[i
]);
1085 /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
1088 print_hex_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
1089 unsigned len
, enum bfd_endian byte_order
)
1093 /* FIXME: We should be not printing leading zeroes in most cases. */
1095 fputs_filtered ("0x", stream
);
1096 if (byte_order
== BFD_ENDIAN_BIG
)
1102 fprintf_filtered (stream
, "%02x", *p
);
1107 for (p
= valaddr
+ len
- 1;
1111 fprintf_filtered (stream
, "%02x", *p
);
1116 /* VALADDR points to a char integer of LEN bytes.
1117 Print it out in appropriate language form on stream.
1118 Omit any leading zero chars. */
1121 print_char_chars (struct ui_file
*stream
, struct type
*type
,
1122 const gdb_byte
*valaddr
,
1123 unsigned len
, enum bfd_endian byte_order
)
1127 if (byte_order
== BFD_ENDIAN_BIG
)
1130 while (p
< valaddr
+ len
- 1 && *p
== 0)
1133 while (p
< valaddr
+ len
)
1135 LA_EMIT_CHAR (*p
, type
, stream
, '\'');
1141 p
= valaddr
+ len
- 1;
1142 while (p
> valaddr
&& *p
== 0)
1145 while (p
>= valaddr
)
1147 LA_EMIT_CHAR (*p
, type
, stream
, '\'');
1153 /* Print on STREAM using the given OPTIONS the index for the element
1154 at INDEX of an array whose index type is INDEX_TYPE. */
1157 maybe_print_array_index (struct type
*index_type
, LONGEST index
,
1158 struct ui_file
*stream
,
1159 const struct value_print_options
*options
)
1161 struct value
*index_value
;
1163 if (!options
->print_array_indexes
)
1166 index_value
= value_from_longest (index_type
, index
);
1168 LA_PRINT_ARRAY_INDEX (index_value
, stream
, options
);
1171 /* Called by various <lang>_val_print routines to print elements of an
1172 array in the form "<elem1>, <elem2>, <elem3>, ...".
1174 (FIXME?) Assumes array element separator is a comma, which is correct
1175 for all languages currently handled.
1176 (FIXME?) Some languages have a notation for repeated array elements,
1177 perhaps we should try to use that notation when appropriate. */
1180 val_print_array_elements (struct type
*type
,
1181 const gdb_byte
*valaddr
, int embedded_offset
,
1182 CORE_ADDR address
, struct ui_file
*stream
,
1184 const struct value
*val
,
1185 const struct value_print_options
*options
,
1188 unsigned int things_printed
= 0;
1190 struct type
*elttype
, *index_type
;
1192 /* Position of the array element we are examining to see
1193 whether it is repeated. */
1195 /* Number of repetitions we have detected so far. */
1197 LONGEST low_bound
, high_bound
;
1199 elttype
= TYPE_TARGET_TYPE (type
);
1200 eltlen
= TYPE_LENGTH (check_typedef (elttype
));
1201 index_type
= TYPE_INDEX_TYPE (type
);
1203 if (get_array_bounds (type
, &low_bound
, &high_bound
))
1205 /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1.
1206 But we have to be a little extra careful, because some languages
1207 such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for
1208 empty arrays. In that situation, the array length is just zero,
1210 if (low_bound
> high_bound
)
1213 len
= high_bound
- low_bound
+ 1;
1217 warning (_("unable to get bounds of array, assuming null array"));
1222 annotate_array_section_begin (i
, elttype
);
1224 for (; i
< len
&& things_printed
< options
->print_max
; i
++)
1228 if (options
->prettyprint_arrays
)
1230 fprintf_filtered (stream
, ",\n");
1231 print_spaces_filtered (2 + 2 * recurse
, stream
);
1235 fprintf_filtered (stream
, ", ");
1238 wrap_here (n_spaces (2 + 2 * recurse
));
1239 maybe_print_array_index (index_type
, i
+ low_bound
,
1245 && memcmp (valaddr
+ embedded_offset
+ i
* eltlen
,
1246 valaddr
+ embedded_offset
+ rep1
* eltlen
,
1253 if (reps
> options
->repeat_count_threshold
)
1255 val_print (elttype
, valaddr
, embedded_offset
+ i
* eltlen
,
1256 address
, stream
, recurse
+ 1, val
, options
,
1258 annotate_elt_rep (reps
);
1259 fprintf_filtered (stream
, " <repeats %u times>", reps
);
1260 annotate_elt_rep_end ();
1263 things_printed
+= options
->repeat_count_threshold
;
1267 val_print (elttype
, valaddr
, embedded_offset
+ i
* eltlen
,
1269 stream
, recurse
+ 1, val
, options
, current_language
);
1274 annotate_array_section_end ();
1277 fprintf_filtered (stream
, "...");
1281 /* Read LEN bytes of target memory at address MEMADDR, placing the
1282 results in GDB's memory at MYADDR. Returns a count of the bytes
1283 actually read, and optionally an errno value in the location
1284 pointed to by ERRNOPTR if ERRNOPTR is non-null. */
1286 /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this
1287 function be eliminated. */
1290 partial_memory_read (CORE_ADDR memaddr
, gdb_byte
*myaddr
,
1291 int len
, int *errnoptr
)
1293 int nread
; /* Number of bytes actually read. */
1294 int errcode
; /* Error from last read. */
1296 /* First try a complete read. */
1297 errcode
= target_read_memory (memaddr
, myaddr
, len
);
1305 /* Loop, reading one byte at a time until we get as much as we can. */
1306 for (errcode
= 0, nread
= 0; len
> 0 && errcode
== 0; nread
++, len
--)
1308 errcode
= target_read_memory (memaddr
++, myaddr
++, 1);
1310 /* If an error, the last read was unsuccessful, so adjust count. */
1316 if (errnoptr
!= NULL
)
1318 *errnoptr
= errcode
;
1323 /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes
1324 each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly
1325 allocated buffer containing the string, which the caller is responsible to
1326 free, and BYTES_READ will be set to the number of bytes read. Returns 0 on
1327 success, or errno on failure.
1329 If LEN > 0, reads exactly LEN characters (including eventual NULs in
1330 the middle or end of the string). If LEN is -1, stops at the first
1331 null character (not necessarily the first null byte) up to a maximum
1332 of FETCHLIMIT characters. Set FETCHLIMIT to UINT_MAX to read as many
1333 characters as possible from the string.
1335 Unless an exception is thrown, BUFFER will always be allocated, even on
1336 failure. In this case, some characters might have been read before the
1337 failure happened. Check BYTES_READ to recognize this situation.
1339 Note: There was a FIXME asking to make this code use target_read_string,
1340 but this function is more general (can read past null characters, up to
1341 given LEN). Besides, it is used much more often than target_read_string
1342 so it is more tested. Perhaps callers of target_read_string should use
1343 this function instead? */
1346 read_string (CORE_ADDR addr
, int len
, int width
, unsigned int fetchlimit
,
1347 enum bfd_endian byte_order
, gdb_byte
**buffer
, int *bytes_read
)
1349 int found_nul
; /* Non-zero if we found the nul char. */
1350 int errcode
; /* Errno returned from bad reads. */
1351 unsigned int nfetch
; /* Chars to fetch / chars fetched. */
1352 unsigned int chunksize
; /* Size of each fetch, in chars. */
1353 gdb_byte
*bufptr
; /* Pointer to next available byte in
1355 gdb_byte
*limit
; /* First location past end of fetch buffer. */
1356 struct cleanup
*old_chain
= NULL
; /* Top of the old cleanup chain. */
1358 /* Decide how large of chunks to try to read in one operation. This
1359 is also pretty simple. If LEN >= zero, then we want fetchlimit chars,
1360 so we might as well read them all in one operation. If LEN is -1, we
1361 are looking for a NUL terminator to end the fetching, so we might as
1362 well read in blocks that are large enough to be efficient, but not so
1363 large as to be slow if fetchlimit happens to be large. So we choose the
1364 minimum of 8 and fetchlimit. We used to use 200 instead of 8 but
1365 200 is way too big for remote debugging over a serial line. */
1367 chunksize
= (len
== -1 ? min (8, fetchlimit
) : fetchlimit
);
1369 /* Loop until we either have all the characters, or we encounter
1370 some error, such as bumping into the end of the address space. */
1375 old_chain
= make_cleanup (free_current_contents
, buffer
);
1379 *buffer
= (gdb_byte
*) xmalloc (len
* width
);
1382 nfetch
= partial_memory_read (addr
, bufptr
, len
* width
, &errcode
)
1384 addr
+= nfetch
* width
;
1385 bufptr
+= nfetch
* width
;
1389 unsigned long bufsize
= 0;
1394 nfetch
= min (chunksize
, fetchlimit
- bufsize
);
1396 if (*buffer
== NULL
)
1397 *buffer
= (gdb_byte
*) xmalloc (nfetch
* width
);
1399 *buffer
= (gdb_byte
*) xrealloc (*buffer
,
1400 (nfetch
+ bufsize
) * width
);
1402 bufptr
= *buffer
+ bufsize
* width
;
1405 /* Read as much as we can. */
1406 nfetch
= partial_memory_read (addr
, bufptr
, nfetch
* width
, &errcode
)
1409 /* Scan this chunk for the null character that terminates the string
1410 to print. If found, we don't need to fetch any more. Note
1411 that bufptr is explicitly left pointing at the next character
1412 after the null character, or at the next character after the end
1415 limit
= bufptr
+ nfetch
* width
;
1416 while (bufptr
< limit
)
1420 c
= extract_unsigned_integer (bufptr
, width
, byte_order
);
1425 /* We don't care about any error which happened after
1426 the NUL terminator. */
1433 while (errcode
== 0 /* no error */
1434 && bufptr
- *buffer
< fetchlimit
* width
/* no overrun */
1435 && !found_nul
); /* haven't found NUL yet */
1438 { /* Length of string is really 0! */
1439 /* We always allocate *buffer. */
1440 *buffer
= bufptr
= xmalloc (1);
1444 /* bufptr and addr now point immediately beyond the last byte which we
1445 consider part of the string (including a '\0' which ends the string). */
1446 *bytes_read
= bufptr
- *buffer
;
1450 discard_cleanups (old_chain
);
1455 /* Print a string from the inferior, starting at ADDR and printing up to LEN
1456 characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing
1457 stops at the first null byte, otherwise printing proceeds (including null
1458 bytes) until either print_max or LEN characters have been printed,
1459 whichever is smaller. ENCODING is the name of the string's
1460 encoding. It can be NULL, in which case the target encoding is
1464 val_print_string (struct type
*elttype
, const char *encoding
,
1465 CORE_ADDR addr
, int len
,
1466 struct ui_file
*stream
,
1467 const struct value_print_options
*options
)
1469 int force_ellipsis
= 0; /* Force ellipsis to be printed if nonzero. */
1470 int errcode
; /* Errno returned from bad reads. */
1471 int found_nul
; /* Non-zero if we found the nul char. */
1472 unsigned int fetchlimit
; /* Maximum number of chars to print. */
1474 gdb_byte
*buffer
= NULL
; /* Dynamically growable fetch buffer. */
1475 struct cleanup
*old_chain
= NULL
; /* Top of the old cleanup chain. */
1476 struct gdbarch
*gdbarch
= get_type_arch (elttype
);
1477 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
1478 int width
= TYPE_LENGTH (elttype
);
1480 /* First we need to figure out the limit on the number of characters we are
1481 going to attempt to fetch and print. This is actually pretty simple. If
1482 LEN >= zero, then the limit is the minimum of LEN and print_max. If
1483 LEN is -1, then the limit is print_max. This is true regardless of
1484 whether print_max is zero, UINT_MAX (unlimited), or something in between,
1485 because finding the null byte (or available memory) is what actually
1486 limits the fetch. */
1488 fetchlimit
= (len
== -1 ? options
->print_max
: min (len
,
1489 options
->print_max
));
1491 errcode
= read_string (addr
, len
, width
, fetchlimit
, byte_order
,
1492 &buffer
, &bytes_read
);
1493 old_chain
= make_cleanup (xfree
, buffer
);
1497 /* We now have either successfully filled the buffer to fetchlimit,
1498 or terminated early due to an error or finding a null char when
1501 /* Determine found_nul by looking at the last character read. */
1502 found_nul
= extract_unsigned_integer (buffer
+ bytes_read
- width
, width
,
1504 if (len
== -1 && !found_nul
)
1508 /* We didn't find a NUL terminator we were looking for. Attempt
1509 to peek at the next character. If not successful, or it is not
1510 a null byte, then force ellipsis to be printed. */
1512 peekbuf
= (gdb_byte
*) alloca (width
);
1514 if (target_read_memory (addr
, peekbuf
, width
) == 0
1515 && extract_unsigned_integer (peekbuf
, width
, byte_order
) != 0)
1518 else if ((len
>= 0 && errcode
!= 0) || (len
> bytes_read
/ width
))
1520 /* Getting an error when we have a requested length, or fetching less
1521 than the number of characters actually requested, always make us
1526 /* If we get an error before fetching anything, don't print a string.
1527 But if we fetch something and then get an error, print the string
1528 and then the error message. */
1529 if (errcode
== 0 || bytes_read
> 0)
1531 if (options
->addressprint
)
1533 fputs_filtered (" ", stream
);
1535 LA_PRINT_STRING (stream
, elttype
, buffer
, bytes_read
/ width
,
1536 encoding
, force_ellipsis
, options
);
1543 fprintf_filtered (stream
, " <Address ");
1544 fputs_filtered (paddress (gdbarch
, addr
), stream
);
1545 fprintf_filtered (stream
, " out of bounds>");
1549 fprintf_filtered (stream
, " <Error reading address ");
1550 fputs_filtered (paddress (gdbarch
, addr
), stream
);
1551 fprintf_filtered (stream
, ": %s>", safe_strerror (errcode
));
1556 do_cleanups (old_chain
);
1558 return (bytes_read
/ width
);
1562 /* The 'set input-radix' command writes to this auxiliary variable.
1563 If the requested radix is valid, INPUT_RADIX is updated; otherwise,
1564 it is left unchanged. */
1566 static unsigned input_radix_1
= 10;
1568 /* Validate an input or output radix setting, and make sure the user
1569 knows what they really did here. Radix setting is confusing, e.g.
1570 setting the input radix to "10" never changes it! */
1573 set_input_radix (char *args
, int from_tty
, struct cmd_list_element
*c
)
1575 set_input_radix_1 (from_tty
, input_radix_1
);
1579 set_input_radix_1 (int from_tty
, unsigned radix
)
1581 /* We don't currently disallow any input radix except 0 or 1, which don't
1582 make any mathematical sense. In theory, we can deal with any input
1583 radix greater than 1, even if we don't have unique digits for every
1584 value from 0 to radix-1, but in practice we lose on large radix values.
1585 We should either fix the lossage or restrict the radix range more.
1590 input_radix_1
= input_radix
;
1591 error (_("Nonsense input radix ``decimal %u''; input radix unchanged."),
1594 input_radix_1
= input_radix
= radix
;
1597 printf_filtered (_("Input radix now set to "
1598 "decimal %u, hex %x, octal %o.\n"),
1599 radix
, radix
, radix
);
1603 /* The 'set output-radix' command writes to this auxiliary variable.
1604 If the requested radix is valid, OUTPUT_RADIX is updated,
1605 otherwise, it is left unchanged. */
1607 static unsigned output_radix_1
= 10;
1610 set_output_radix (char *args
, int from_tty
, struct cmd_list_element
*c
)
1612 set_output_radix_1 (from_tty
, output_radix_1
);
1616 set_output_radix_1 (int from_tty
, unsigned radix
)
1618 /* Validate the radix and disallow ones that we aren't prepared to
1619 handle correctly, leaving the radix unchanged. */
1623 user_print_options
.output_format
= 'x'; /* hex */
1626 user_print_options
.output_format
= 0; /* decimal */
1629 user_print_options
.output_format
= 'o'; /* octal */
1632 output_radix_1
= output_radix
;
1633 error (_("Unsupported output radix ``decimal %u''; "
1634 "output radix unchanged."),
1637 output_radix_1
= output_radix
= radix
;
1640 printf_filtered (_("Output radix now set to "
1641 "decimal %u, hex %x, octal %o.\n"),
1642 radix
, radix
, radix
);
1646 /* Set both the input and output radix at once. Try to set the output radix
1647 first, since it has the most restrictive range. An radix that is valid as
1648 an output radix is also valid as an input radix.
1650 It may be useful to have an unusual input radix. If the user wishes to
1651 set an input radix that is not valid as an output radix, he needs to use
1652 the 'set input-radix' command. */
1655 set_radix (char *arg
, int from_tty
)
1659 radix
= (arg
== NULL
) ? 10 : parse_and_eval_long (arg
);
1660 set_output_radix_1 (0, radix
);
1661 set_input_radix_1 (0, radix
);
1664 printf_filtered (_("Input and output radices now set to "
1665 "decimal %u, hex %x, octal %o.\n"),
1666 radix
, radix
, radix
);
1670 /* Show both the input and output radices. */
1673 show_radix (char *arg
, int from_tty
)
1677 if (input_radix
== output_radix
)
1679 printf_filtered (_("Input and output radices set to "
1680 "decimal %u, hex %x, octal %o.\n"),
1681 input_radix
, input_radix
, input_radix
);
1685 printf_filtered (_("Input radix set to decimal "
1686 "%u, hex %x, octal %o.\n"),
1687 input_radix
, input_radix
, input_radix
);
1688 printf_filtered (_("Output radix set to decimal "
1689 "%u, hex %x, octal %o.\n"),
1690 output_radix
, output_radix
, output_radix
);
1697 set_print (char *arg
, int from_tty
)
1700 "\"set print\" must be followed by the name of a print subcommand.\n");
1701 help_list (setprintlist
, "set print ", -1, gdb_stdout
);
1705 show_print (char *args
, int from_tty
)
1707 cmd_show_list (showprintlist
, from_tty
, "");
1711 _initialize_valprint (void)
1713 add_prefix_cmd ("print", no_class
, set_print
,
1714 _("Generic command for setting how things print."),
1715 &setprintlist
, "set print ", 0, &setlist
);
1716 add_alias_cmd ("p", "print", no_class
, 1, &setlist
);
1717 /* Prefer set print to set prompt. */
1718 add_alias_cmd ("pr", "print", no_class
, 1, &setlist
);
1720 add_prefix_cmd ("print", no_class
, show_print
,
1721 _("Generic command for showing print settings."),
1722 &showprintlist
, "show print ", 0, &showlist
);
1723 add_alias_cmd ("p", "print", no_class
, 1, &showlist
);
1724 add_alias_cmd ("pr", "print", no_class
, 1, &showlist
);
1726 add_setshow_uinteger_cmd ("elements", no_class
,
1727 &user_print_options
.print_max
, _("\
1728 Set limit on string chars or array elements to print."), _("\
1729 Show limit on string chars or array elements to print."), _("\
1730 \"set print elements 0\" causes there to be no limit."),
1733 &setprintlist
, &showprintlist
);
1735 add_setshow_boolean_cmd ("null-stop", no_class
,
1736 &user_print_options
.stop_print_at_null
, _("\
1737 Set printing of char arrays to stop at first null char."), _("\
1738 Show printing of char arrays to stop at first null char."), NULL
,
1740 show_stop_print_at_null
,
1741 &setprintlist
, &showprintlist
);
1743 add_setshow_uinteger_cmd ("repeats", no_class
,
1744 &user_print_options
.repeat_count_threshold
, _("\
1745 Set threshold for repeated print elements."), _("\
1746 Show threshold for repeated print elements."), _("\
1747 \"set print repeats 0\" causes all elements to be individually printed."),
1749 show_repeat_count_threshold
,
1750 &setprintlist
, &showprintlist
);
1752 add_setshow_boolean_cmd ("pretty", class_support
,
1753 &user_print_options
.prettyprint_structs
, _("\
1754 Set prettyprinting of structures."), _("\
1755 Show prettyprinting of structures."), NULL
,
1757 show_prettyprint_structs
,
1758 &setprintlist
, &showprintlist
);
1760 add_setshow_boolean_cmd ("union", class_support
,
1761 &user_print_options
.unionprint
, _("\
1762 Set printing of unions interior to structures."), _("\
1763 Show printing of unions interior to structures."), NULL
,
1766 &setprintlist
, &showprintlist
);
1768 add_setshow_boolean_cmd ("array", class_support
,
1769 &user_print_options
.prettyprint_arrays
, _("\
1770 Set prettyprinting of arrays."), _("\
1771 Show prettyprinting of arrays."), NULL
,
1773 show_prettyprint_arrays
,
1774 &setprintlist
, &showprintlist
);
1776 add_setshow_boolean_cmd ("address", class_support
,
1777 &user_print_options
.addressprint
, _("\
1778 Set printing of addresses."), _("\
1779 Show printing of addresses."), NULL
,
1782 &setprintlist
, &showprintlist
);
1784 add_setshow_zuinteger_cmd ("input-radix", class_support
, &input_radix_1
,
1786 Set default input radix for entering numbers."), _("\
1787 Show default input radix for entering numbers."), NULL
,
1790 &setlist
, &showlist
);
1792 add_setshow_zuinteger_cmd ("output-radix", class_support
, &output_radix_1
,
1794 Set default output radix for printing of values."), _("\
1795 Show default output radix for printing of values."), NULL
,
1798 &setlist
, &showlist
);
1800 /* The "set radix" and "show radix" commands are special in that
1801 they are like normal set and show commands but allow two normally
1802 independent variables to be either set or shown with a single
1803 command. So the usual deprecated_add_set_cmd() and [deleted]
1804 add_show_from_set() commands aren't really appropriate. */
1805 /* FIXME: i18n: With the new add_setshow_integer command, that is no
1806 longer true - show can display anything. */
1807 add_cmd ("radix", class_support
, set_radix
, _("\
1808 Set default input and output number radices.\n\
1809 Use 'set input-radix' or 'set output-radix' to independently set each.\n\
1810 Without an argument, sets both radices back to the default value of 10."),
1812 add_cmd ("radix", class_support
, show_radix
, _("\
1813 Show the default input and output number radices.\n\
1814 Use 'show input-radix' or 'show output-radix' to independently show each."),
1817 add_setshow_boolean_cmd ("array-indexes", class_support
,
1818 &user_print_options
.print_array_indexes
, _("\
1819 Set printing of array indexes."), _("\
1820 Show printing of array indexes"), NULL
, NULL
, show_print_array_indexes
,
1821 &setprintlist
, &showprintlist
);