1 /* Print values for GDB, the GNU debugger.
3 Copyright (C) 1986, 1988-2012 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #include "gdb_string.h"
31 #include "floatformat.h"
33 #include "exceptions.h"
35 #include "python/python.h"
37 #include "gdb_obstack.h"
43 /* Prototypes for local functions */
45 static int partial_memory_read (CORE_ADDR memaddr
, gdb_byte
*myaddr
,
46 int len
, int *errnoptr
);
48 static void show_print (char *, int);
50 static void set_print (char *, int);
52 static void set_radix (char *, int);
54 static void show_radix (char *, int);
56 static void set_input_radix (char *, int, struct cmd_list_element
*);
58 static void set_input_radix_1 (int, unsigned);
60 static void set_output_radix (char *, int, struct cmd_list_element
*);
62 static void set_output_radix_1 (int, unsigned);
64 void _initialize_valprint (void);
66 #define PRINT_MAX_DEFAULT 200 /* Start print_max off at this value. */
68 struct value_print_options user_print_options
=
70 Val_pretty_default
, /* pretty */
71 0, /* prettyprint_arrays */
72 0, /* prettyprint_structs */
77 PRINT_MAX_DEFAULT
, /* print_max */
78 10, /* repeat_count_threshold */
79 0, /* output_format */
81 0, /* stop_print_at_null */
83 0, /* print_array_indexes */
85 1, /* static_field_print */
86 1, /* pascal_static_field_print */
92 /* Initialize *OPTS to be a copy of the user print options. */
94 get_user_print_options (struct value_print_options
*opts
)
96 *opts
= user_print_options
;
99 /* Initialize *OPTS to be a copy of the user print options, but with
100 pretty-printing disabled. */
102 get_raw_print_options (struct value_print_options
*opts
)
104 *opts
= user_print_options
;
105 opts
->pretty
= Val_no_prettyprint
;
108 /* Initialize *OPTS to be a copy of the user print options, but using
109 FORMAT as the formatting option. */
111 get_formatted_print_options (struct value_print_options
*opts
,
114 *opts
= user_print_options
;
115 opts
->format
= format
;
119 show_print_max (struct ui_file
*file
, int from_tty
,
120 struct cmd_list_element
*c
, const char *value
)
122 fprintf_filtered (file
,
123 _("Limit on string chars or array "
124 "elements to print is %s.\n"),
129 /* Default input and output radixes, and output format letter. */
131 unsigned input_radix
= 10;
133 show_input_radix (struct ui_file
*file
, int from_tty
,
134 struct cmd_list_element
*c
, const char *value
)
136 fprintf_filtered (file
,
137 _("Default input radix for entering numbers is %s.\n"),
141 unsigned output_radix
= 10;
143 show_output_radix (struct ui_file
*file
, int from_tty
,
144 struct cmd_list_element
*c
, const char *value
)
146 fprintf_filtered (file
,
147 _("Default output radix for printing of values is %s.\n"),
151 /* By default we print arrays without printing the index of each element in
152 the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */
155 show_print_array_indexes (struct ui_file
*file
, int from_tty
,
156 struct cmd_list_element
*c
, const char *value
)
158 fprintf_filtered (file
, _("Printing of array indexes is %s.\n"), value
);
161 /* Print repeat counts if there are more than this many repetitions of an
162 element in an array. Referenced by the low level language dependent
166 show_repeat_count_threshold (struct ui_file
*file
, int from_tty
,
167 struct cmd_list_element
*c
, const char *value
)
169 fprintf_filtered (file
, _("Threshold for repeated print elements is %s.\n"),
173 /* If nonzero, stops printing of char arrays at first null. */
176 show_stop_print_at_null (struct ui_file
*file
, int from_tty
,
177 struct cmd_list_element
*c
, const char *value
)
179 fprintf_filtered (file
,
180 _("Printing of char arrays to stop "
181 "at first null char is %s.\n"),
185 /* Controls pretty printing of structures. */
188 show_prettyprint_structs (struct ui_file
*file
, int from_tty
,
189 struct cmd_list_element
*c
, const char *value
)
191 fprintf_filtered (file
, _("Prettyprinting of structures is %s.\n"), value
);
194 /* Controls pretty printing of arrays. */
197 show_prettyprint_arrays (struct ui_file
*file
, int from_tty
,
198 struct cmd_list_element
*c
, const char *value
)
200 fprintf_filtered (file
, _("Prettyprinting of arrays is %s.\n"), value
);
203 /* If nonzero, causes unions inside structures or other unions to be
207 show_unionprint (struct ui_file
*file
, int from_tty
,
208 struct cmd_list_element
*c
, const char *value
)
210 fprintf_filtered (file
,
211 _("Printing of unions interior to structures is %s.\n"),
215 /* If nonzero, causes machine addresses to be printed in certain contexts. */
218 show_addressprint (struct ui_file
*file
, int from_tty
,
219 struct cmd_list_element
*c
, const char *value
)
221 fprintf_filtered (file
, _("Printing of addresses is %s.\n"), value
);
225 show_symbol_print (struct ui_file
*file
, int from_tty
,
226 struct cmd_list_element
*c
, const char *value
)
228 fprintf_filtered (file
,
229 _("Printing of symbols when printing pointers is %s.\n"),
235 /* A helper function for val_print. When printing in "summary" mode,
236 we want to print scalar arguments, but not aggregate arguments.
237 This function distinguishes between the two. */
240 scalar_type_p (struct type
*type
)
242 CHECK_TYPEDEF (type
);
243 while (TYPE_CODE (type
) == TYPE_CODE_REF
)
245 type
= TYPE_TARGET_TYPE (type
);
246 CHECK_TYPEDEF (type
);
248 switch (TYPE_CODE (type
))
250 case TYPE_CODE_ARRAY
:
251 case TYPE_CODE_STRUCT
:
252 case TYPE_CODE_UNION
:
254 case TYPE_CODE_STRING
:
255 case TYPE_CODE_BITSTRING
:
262 /* See its definition in value.h. */
265 valprint_check_validity (struct ui_file
*stream
,
268 const struct value
*val
)
270 CHECK_TYPEDEF (type
);
272 if (TYPE_CODE (type
) != TYPE_CODE_UNION
273 && TYPE_CODE (type
) != TYPE_CODE_STRUCT
274 && TYPE_CODE (type
) != TYPE_CODE_ARRAY
)
276 if (!value_bits_valid (val
, TARGET_CHAR_BIT
* embedded_offset
,
277 TARGET_CHAR_BIT
* TYPE_LENGTH (type
)))
279 val_print_optimized_out (stream
);
283 if (value_bits_synthetic_pointer (val
, TARGET_CHAR_BIT
* embedded_offset
,
284 TARGET_CHAR_BIT
* TYPE_LENGTH (type
)))
286 fputs_filtered (_("<synthetic pointer>"), stream
);
290 if (!value_bytes_available (val
, embedded_offset
, TYPE_LENGTH (type
)))
292 val_print_unavailable (stream
);
301 val_print_optimized_out (struct ui_file
*stream
)
303 fprintf_filtered (stream
, _("<optimized out>"));
307 val_print_unavailable (struct ui_file
*stream
)
309 fprintf_filtered (stream
, _("<unavailable>"));
313 val_print_invalid_address (struct ui_file
*stream
)
315 fprintf_filtered (stream
, _("<invalid address>"));
318 /* A generic val_print that is suitable for use by language
319 implementations of the la_val_print method. This function can
320 handle most type codes, though not all, notably exception
321 TYPE_CODE_UNION and TYPE_CODE_STRUCT, which must be implemented by
324 Most arguments are as to val_print.
326 The additional DECORATIONS argument can be used to customize the
327 output in some small, language-specific ways. */
330 generic_val_print (struct type
*type
, const gdb_byte
*valaddr
,
331 int embedded_offset
, CORE_ADDR address
,
332 struct ui_file
*stream
, int recurse
,
333 const struct value
*original_value
,
334 const struct value_print_options
*options
,
335 const struct generic_val_print_decorations
*decorations
)
337 struct gdbarch
*gdbarch
= get_type_arch (type
);
338 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
339 unsigned int i
= 0; /* Number of characters printed. */
341 struct type
*elttype
, *unresolved_elttype
;
342 struct type
*unresolved_type
= type
;
346 CHECK_TYPEDEF (type
);
347 switch (TYPE_CODE (type
))
349 case TYPE_CODE_ARRAY
:
350 unresolved_elttype
= TYPE_TARGET_TYPE (type
);
351 elttype
= check_typedef (unresolved_elttype
);
352 if (TYPE_LENGTH (type
) > 0 && TYPE_LENGTH (unresolved_elttype
) > 0)
354 LONGEST low_bound
, high_bound
;
356 if (!get_array_bounds (type
, &low_bound
, &high_bound
))
357 error (_("Could not determine the array high bound"));
359 if (options
->prettyprint_arrays
)
361 print_spaces_filtered (2 + 2 * recurse
, stream
);
364 fprintf_filtered (stream
, "{");
365 val_print_array_elements (type
, valaddr
, embedded_offset
,
367 recurse
, original_value
, options
, 0);
368 fprintf_filtered (stream
, "}");
371 /* Array of unspecified length: treat like pointer to first
373 addr
= address
+ embedded_offset
;
374 goto print_unpacked_pointer
;
376 case TYPE_CODE_MEMBERPTR
:
377 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
378 original_value
, options
, 0, stream
);
382 if (options
->format
&& options
->format
!= 's')
384 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
385 original_value
, options
, 0, stream
);
388 unresolved_elttype
= TYPE_TARGET_TYPE (type
);
389 elttype
= check_typedef (unresolved_elttype
);
391 addr
= unpack_pointer (type
, valaddr
+ embedded_offset
);
392 print_unpacked_pointer
:
394 if (TYPE_CODE (elttype
) == TYPE_CODE_FUNC
)
396 /* Try to print what function it points to. */
397 print_function_pointer_address (options
, gdbarch
, addr
, stream
);
401 if (options
->symbol_print
)
402 print_address_demangle (options
, gdbarch
, addr
, stream
, demangle
);
403 else if (options
->addressprint
)
404 fputs_filtered (paddress (gdbarch
, addr
), stream
);
409 elttype
= check_typedef (TYPE_TARGET_TYPE (type
));
410 if (options
->addressprint
)
413 = extract_typed_address (valaddr
+ embedded_offset
, type
);
415 fprintf_filtered (stream
, "@");
416 fputs_filtered (paddress (gdbarch
, addr
), stream
);
417 if (options
->deref_ref
)
418 fputs_filtered (": ", stream
);
420 /* De-reference the reference. */
421 if (options
->deref_ref
)
423 if (TYPE_CODE (elttype
) != TYPE_CODE_UNDEF
)
425 struct value
*deref_val
;
427 deref_val
= coerce_ref_if_computed (original_value
);
428 if (deref_val
!= NULL
)
430 /* More complicated computed references are not supported. */
431 gdb_assert (embedded_offset
== 0);
434 deref_val
= value_at (TYPE_TARGET_TYPE (type
),
435 unpack_pointer (type
,
437 + embedded_offset
)));
439 common_val_print (deref_val
, stream
, recurse
, options
,
443 fputs_filtered ("???", stream
);
450 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
451 original_value
, options
, 0, stream
);
454 len
= TYPE_NFIELDS (type
);
455 val
= unpack_long (type
, valaddr
+ embedded_offset
);
456 for (i
= 0; i
< len
; i
++)
459 if (val
== TYPE_FIELD_ENUMVAL (type
, i
))
466 fputs_filtered (TYPE_FIELD_NAME (type
, i
), stream
);
468 else if (TYPE_FLAG_ENUM (type
))
472 /* We have a "flag" enum, so we try to decompose it into
473 pieces as appropriate. A flag enum has disjoint
474 constants by definition. */
475 fputs_filtered ("(", stream
);
476 for (i
= 0; i
< len
; ++i
)
480 if ((val
& TYPE_FIELD_ENUMVAL (type
, i
)) != 0)
483 fputs_filtered (" | ", stream
);
486 val
&= ~TYPE_FIELD_ENUMVAL (type
, i
);
487 fputs_filtered (TYPE_FIELD_NAME (type
, i
), stream
);
491 if (first
|| val
!= 0)
494 fputs_filtered (" | ", stream
);
495 fputs_filtered ("unknown: ", stream
);
496 print_longest (stream
, 'd', 0, val
);
499 fputs_filtered (")", stream
);
502 print_longest (stream
, 'd', 0, val
);
505 case TYPE_CODE_FLAGS
:
507 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
508 original_value
, options
, 0, stream
);
510 val_print_type_code_flags (type
, valaddr
+ embedded_offset
,
515 case TYPE_CODE_METHOD
:
518 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
519 original_value
, options
, 0, stream
);
522 /* FIXME, we should consider, at least for ANSI C language,
523 eliminating the distinction made between FUNCs and POINTERs
525 fprintf_filtered (stream
, "{");
526 type_print (type
, "", stream
, -1);
527 fprintf_filtered (stream
, "} ");
528 /* Try to print what function it points to, and its address. */
529 print_address_demangle (options
, gdbarch
, address
, stream
, demangle
);
533 if (options
->format
|| options
->output_format
)
535 struct value_print_options opts
= *options
;
536 opts
.format
= (options
->format
? options
->format
537 : options
->output_format
);
538 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
539 original_value
, &opts
, 0, stream
);
543 val
= unpack_long (type
, valaddr
+ embedded_offset
);
545 fputs_filtered (decorations
->false_name
, stream
);
547 fputs_filtered (decorations
->true_name
, stream
);
549 print_longest (stream
, 'd', 0, val
);
553 case TYPE_CODE_RANGE
:
554 /* FIXME: create_range_type does not set the unsigned bit in a
555 range type (I think it probably should copy it from the
556 target type), so we won't print values which are too large to
557 fit in a signed integer correctly. */
558 /* FIXME: Doesn't handle ranges of enums correctly. (Can't just
559 print with the target type, though, because the size of our
560 type and the target type might differ). */
565 if (options
->format
|| options
->output_format
)
567 struct value_print_options opts
= *options
;
569 opts
.format
= (options
->format
? options
->format
570 : options
->output_format
);
571 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
572 original_value
, &opts
, 0, stream
);
575 val_print_type_code_int (type
, valaddr
+ embedded_offset
, stream
);
579 if (options
->format
|| options
->output_format
)
581 struct value_print_options opts
= *options
;
583 opts
.format
= (options
->format
? options
->format
584 : options
->output_format
);
585 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
586 original_value
, &opts
, 0, stream
);
590 val
= unpack_long (type
, valaddr
+ embedded_offset
);
591 if (TYPE_UNSIGNED (type
))
592 fprintf_filtered (stream
, "%u", (unsigned int) val
);
594 fprintf_filtered (stream
, "%d", (int) val
);
595 fputs_filtered (" ", stream
);
596 LA_PRINT_CHAR (val
, unresolved_type
, stream
);
603 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
604 original_value
, options
, 0, stream
);
608 print_floating (valaddr
+ embedded_offset
, type
, stream
);
612 case TYPE_CODE_DECFLOAT
:
614 val_print_scalar_formatted (type
, valaddr
, embedded_offset
,
615 original_value
, options
, 0, stream
);
617 print_decimal_floating (valaddr
+ embedded_offset
,
622 fputs_filtered (decorations
->void_name
, stream
);
625 case TYPE_CODE_ERROR
:
626 fprintf_filtered (stream
, "%s", TYPE_ERROR_NAME (type
));
629 case TYPE_CODE_UNDEF
:
630 /* This happens (without TYPE_FLAG_STUB set) on systems which
631 don't use dbx xrefs (NO_DBX_XREFS in gcc) if a file has a
632 "struct foo *bar" and no complete type for struct foo in that
634 fprintf_filtered (stream
, _("<incomplete type>"));
637 case TYPE_CODE_COMPLEX
:
638 fprintf_filtered (stream
, "%s", decorations
->complex_prefix
);
640 val_print_scalar_formatted (TYPE_TARGET_TYPE (type
),
641 valaddr
, embedded_offset
,
642 original_value
, options
, 0, stream
);
644 print_floating (valaddr
+ embedded_offset
,
645 TYPE_TARGET_TYPE (type
),
647 fprintf_filtered (stream
, "%s", decorations
->complex_infix
);
649 val_print_scalar_formatted (TYPE_TARGET_TYPE (type
),
652 + TYPE_LENGTH (TYPE_TARGET_TYPE (type
)),
656 print_floating (valaddr
+ embedded_offset
657 + TYPE_LENGTH (TYPE_TARGET_TYPE (type
)),
658 TYPE_TARGET_TYPE (type
),
660 fprintf_filtered (stream
, "%s", decorations
->complex_suffix
);
663 case TYPE_CODE_UNION
:
664 case TYPE_CODE_STRUCT
:
665 case TYPE_CODE_METHODPTR
:
667 error (_("Unhandled type code %d in symbol table."),
673 /* Print using the given LANGUAGE the data of type TYPE located at
674 VALADDR + EMBEDDED_OFFSET (within GDB), which came from the
675 inferior at address ADDRESS + EMBEDDED_OFFSET, onto stdio stream
676 STREAM according to OPTIONS. VAL is the whole object that came
677 from ADDRESS. VALADDR must point to the head of VAL's contents
680 The language printers will pass down an adjusted EMBEDDED_OFFSET to
681 further helper subroutines as subfields of TYPE are printed. In
682 such cases, VALADDR is passed down unadjusted, as well as VAL, so
683 that VAL can be queried for metadata about the contents data being
684 printed, using EMBEDDED_OFFSET as an offset into VAL's contents
685 buffer. For example: "has this field been optimized out", or "I'm
686 printing an object while inspecting a traceframe; has this
687 particular piece of data been collected?".
689 RECURSE indicates the amount of indentation to supply before
690 continuation lines; this amount is roughly twice the value of
694 val_print (struct type
*type
, const gdb_byte
*valaddr
, int embedded_offset
,
695 CORE_ADDR address
, struct ui_file
*stream
, int recurse
,
696 const struct value
*val
,
697 const struct value_print_options
*options
,
698 const struct language_defn
*language
)
700 volatile struct gdb_exception except
;
702 struct value_print_options local_opts
= *options
;
703 struct type
*real_type
= check_typedef (type
);
705 if (local_opts
.pretty
== Val_pretty_default
)
706 local_opts
.pretty
= (local_opts
.prettyprint_structs
707 ? Val_prettyprint
: Val_no_prettyprint
);
711 /* Ensure that the type is complete and not just a stub. If the type is
712 only a stub and we can't find and substitute its complete type, then
713 print appropriate string and return. */
715 if (TYPE_STUB (real_type
))
717 fprintf_filtered (stream
, _("<incomplete type>"));
722 if (!valprint_check_validity (stream
, real_type
, embedded_offset
, val
))
727 ret
= apply_val_pretty_printer (type
, valaddr
, embedded_offset
,
728 address
, stream
, recurse
,
729 val
, options
, language
);
734 /* Handle summary mode. If the value is a scalar, print it;
735 otherwise, print an ellipsis. */
736 if (options
->summary
&& !scalar_type_p (type
))
738 fprintf_filtered (stream
, "...");
742 TRY_CATCH (except
, RETURN_MASK_ERROR
)
744 language
->la_val_print (type
, valaddr
, embedded_offset
, address
,
745 stream
, recurse
, val
,
748 if (except
.reason
< 0)
749 fprintf_filtered (stream
, _("<error reading variable>"));
752 /* Check whether the value VAL is printable. Return 1 if it is;
753 return 0 and print an appropriate error message to STREAM according to
754 OPTIONS if it is not. */
757 value_check_printable (struct value
*val
, struct ui_file
*stream
,
758 const struct value_print_options
*options
)
762 fprintf_filtered (stream
, _("<address of value unknown>"));
766 if (value_entirely_optimized_out (val
))
768 if (options
->summary
&& !scalar_type_p (value_type (val
)))
769 fprintf_filtered (stream
, "...");
771 val_print_optimized_out (stream
);
775 if (TYPE_CODE (value_type (val
)) == TYPE_CODE_INTERNAL_FUNCTION
)
777 fprintf_filtered (stream
, _("<internal function %s>"),
778 value_internal_function_name (val
));
785 /* Print using the given LANGUAGE the value VAL onto stream STREAM according
788 This is a preferable interface to val_print, above, because it uses
789 GDB's value mechanism. */
792 common_val_print (struct value
*val
, struct ui_file
*stream
, int recurse
,
793 const struct value_print_options
*options
,
794 const struct language_defn
*language
)
796 if (!value_check_printable (val
, stream
, options
))
799 if (language
->la_language
== language_ada
)
800 /* The value might have a dynamic type, which would cause trouble
801 below when trying to extract the value contents (since the value
802 size is determined from the type size which is unknown). So
803 get a fixed representation of our value. */
804 val
= ada_to_fixed_value (val
);
806 val_print (value_type (val
), value_contents_for_printing (val
),
807 value_embedded_offset (val
), value_address (val
),
809 val
, options
, language
);
812 /* Print on stream STREAM the value VAL according to OPTIONS. The value
813 is printed using the current_language syntax. */
816 value_print (struct value
*val
, struct ui_file
*stream
,
817 const struct value_print_options
*options
)
819 if (!value_check_printable (val
, stream
, options
))
824 int r
= apply_val_pretty_printer (value_type (val
),
825 value_contents_for_printing (val
),
826 value_embedded_offset (val
),
829 val
, options
, current_language
);
835 LA_VALUE_PRINT (val
, stream
, options
);
838 /* Called by various <lang>_val_print routines to print
839 TYPE_CODE_INT's. TYPE is the type. VALADDR is the address of the
840 value. STREAM is where to print the value. */
843 val_print_type_code_int (struct type
*type
, const gdb_byte
*valaddr
,
844 struct ui_file
*stream
)
846 enum bfd_endian byte_order
= gdbarch_byte_order (get_type_arch (type
));
848 if (TYPE_LENGTH (type
) > sizeof (LONGEST
))
852 if (TYPE_UNSIGNED (type
)
853 && extract_long_unsigned_integer (valaddr
, TYPE_LENGTH (type
),
856 print_longest (stream
, 'u', 0, val
);
860 /* Signed, or we couldn't turn an unsigned value into a
861 LONGEST. For signed values, one could assume two's
862 complement (a reasonable assumption, I think) and do
864 print_hex_chars (stream
, (unsigned char *) valaddr
,
865 TYPE_LENGTH (type
), byte_order
);
870 print_longest (stream
, TYPE_UNSIGNED (type
) ? 'u' : 'd', 0,
871 unpack_long (type
, valaddr
));
876 val_print_type_code_flags (struct type
*type
, const gdb_byte
*valaddr
,
877 struct ui_file
*stream
)
879 ULONGEST val
= unpack_long (type
, valaddr
);
880 int bitpos
, nfields
= TYPE_NFIELDS (type
);
882 fputs_filtered ("[ ", stream
);
883 for (bitpos
= 0; bitpos
< nfields
; bitpos
++)
885 if (TYPE_FIELD_BITPOS (type
, bitpos
) != -1
886 && (val
& ((ULONGEST
)1 << bitpos
)))
888 if (TYPE_FIELD_NAME (type
, bitpos
))
889 fprintf_filtered (stream
, "%s ", TYPE_FIELD_NAME (type
, bitpos
));
891 fprintf_filtered (stream
, "#%d ", bitpos
);
894 fputs_filtered ("]", stream
);
897 /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
898 according to OPTIONS and SIZE on STREAM. Format i is not supported
901 This is how the elements of an array or structure are printed
905 val_print_scalar_formatted (struct type
*type
,
906 const gdb_byte
*valaddr
, int embedded_offset
,
907 const struct value
*val
,
908 const struct value_print_options
*options
,
910 struct ui_file
*stream
)
912 gdb_assert (val
!= NULL
);
913 gdb_assert (valaddr
== value_contents_for_printing_const (val
));
915 /* If we get here with a string format, try again without it. Go
916 all the way back to the language printers, which may call us
918 if (options
->format
== 's')
920 struct value_print_options opts
= *options
;
923 val_print (type
, valaddr
, embedded_offset
, 0, stream
, 0, val
, &opts
,
928 /* A scalar object that does not have all bits available can't be
929 printed, because all bits contribute to its representation. */
930 if (!value_bits_valid (val
, TARGET_CHAR_BIT
* embedded_offset
,
931 TARGET_CHAR_BIT
* TYPE_LENGTH (type
)))
932 val_print_optimized_out (stream
);
933 else if (!value_bytes_available (val
, embedded_offset
, TYPE_LENGTH (type
)))
934 val_print_unavailable (stream
);
936 print_scalar_formatted (valaddr
+ embedded_offset
, type
,
937 options
, size
, stream
);
940 /* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g.
941 The raison d'etre of this function is to consolidate printing of
942 LONG_LONG's into this one function. The format chars b,h,w,g are
943 from print_scalar_formatted(). Numbers are printed using C
946 USE_C_FORMAT means to use C format in all cases. Without it,
947 'o' and 'x' format do not include the standard C radix prefix
950 Hilfinger/2004-09-09: USE_C_FORMAT was originally called USE_LOCAL
951 and was intended to request formating according to the current
952 language and would be used for most integers that GDB prints. The
953 exceptional cases were things like protocols where the format of
954 the integer is a protocol thing, not a user-visible thing). The
955 parameter remains to preserve the information of what things might
956 be printed with language-specific format, should we ever resurrect
960 print_longest (struct ui_file
*stream
, int format
, int use_c_format
,
968 val
= int_string (val_long
, 10, 1, 0, 1); break;
970 val
= int_string (val_long
, 10, 0, 0, 1); break;
972 val
= int_string (val_long
, 16, 0, 0, use_c_format
); break;
974 val
= int_string (val_long
, 16, 0, 2, 1); break;
976 val
= int_string (val_long
, 16, 0, 4, 1); break;
978 val
= int_string (val_long
, 16, 0, 8, 1); break;
980 val
= int_string (val_long
, 16, 0, 16, 1); break;
983 val
= int_string (val_long
, 8, 0, 0, use_c_format
); break;
985 internal_error (__FILE__
, __LINE__
,
986 _("failed internal consistency check"));
988 fputs_filtered (val
, stream
);
991 /* This used to be a macro, but I don't think it is called often enough
992 to merit such treatment. */
993 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
994 arguments to a function, number in a value history, register number, etc.)
995 where the value must not be larger than can fit in an int. */
998 longest_to_int (LONGEST arg
)
1000 /* Let the compiler do the work. */
1001 int rtnval
= (int) arg
;
1003 /* Check for overflows or underflows. */
1004 if (sizeof (LONGEST
) > sizeof (int))
1008 error (_("Value out of range."));
1014 /* Print a floating point value of type TYPE (not always a
1015 TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */
1018 print_floating (const gdb_byte
*valaddr
, struct type
*type
,
1019 struct ui_file
*stream
)
1023 const struct floatformat
*fmt
= NULL
;
1024 unsigned len
= TYPE_LENGTH (type
);
1025 enum float_kind kind
;
1027 /* If it is a floating-point, check for obvious problems. */
1028 if (TYPE_CODE (type
) == TYPE_CODE_FLT
)
1029 fmt
= floatformat_from_type (type
);
1032 kind
= floatformat_classify (fmt
, valaddr
);
1033 if (kind
== float_nan
)
1035 if (floatformat_is_negative (fmt
, valaddr
))
1036 fprintf_filtered (stream
, "-");
1037 fprintf_filtered (stream
, "nan(");
1038 fputs_filtered ("0x", stream
);
1039 fputs_filtered (floatformat_mantissa (fmt
, valaddr
), stream
);
1040 fprintf_filtered (stream
, ")");
1043 else if (kind
== float_infinite
)
1045 if (floatformat_is_negative (fmt
, valaddr
))
1046 fputs_filtered ("-", stream
);
1047 fputs_filtered ("inf", stream
);
1052 /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating()
1053 isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double
1054 needs to be used as that takes care of any necessary type
1055 conversions. Such conversions are of course direct to DOUBLEST
1056 and disregard any possible target floating point limitations.
1057 For instance, a u64 would be converted and displayed exactly on a
1058 host with 80 bit DOUBLEST but with loss of information on a host
1059 with 64 bit DOUBLEST. */
1061 doub
= unpack_double (type
, valaddr
, &inv
);
1064 fprintf_filtered (stream
, "<invalid float value>");
1068 /* FIXME: kettenis/2001-01-20: The following code makes too much
1069 assumptions about the host and target floating point format. */
1071 /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may
1072 not necessarily be a TYPE_CODE_FLT, the below ignores that and
1073 instead uses the type's length to determine the precision of the
1074 floating-point value being printed. */
1076 if (len
< sizeof (double))
1077 fprintf_filtered (stream
, "%.9g", (double) doub
);
1078 else if (len
== sizeof (double))
1079 fprintf_filtered (stream
, "%.17g", (double) doub
);
1081 #ifdef PRINTF_HAS_LONG_DOUBLE
1082 fprintf_filtered (stream
, "%.35Lg", doub
);
1084 /* This at least wins with values that are representable as
1086 fprintf_filtered (stream
, "%.17g", (double) doub
);
1091 print_decimal_floating (const gdb_byte
*valaddr
, struct type
*type
,
1092 struct ui_file
*stream
)
1094 enum bfd_endian byte_order
= gdbarch_byte_order (get_type_arch (type
));
1095 char decstr
[MAX_DECIMAL_STRING
];
1096 unsigned len
= TYPE_LENGTH (type
);
1098 decimal_to_string (valaddr
, len
, byte_order
, decstr
);
1099 fputs_filtered (decstr
, stream
);
1104 print_binary_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
1105 unsigned len
, enum bfd_endian byte_order
)
1108 #define BITS_IN_BYTES 8
1114 /* Declared "int" so it will be signed.
1115 This ensures that right shift will shift in zeros. */
1117 const int mask
= 0x080;
1119 /* FIXME: We should be not printing leading zeroes in most cases. */
1121 if (byte_order
== BFD_ENDIAN_BIG
)
1127 /* Every byte has 8 binary characters; peel off
1128 and print from the MSB end. */
1130 for (i
= 0; i
< (BITS_IN_BYTES
* sizeof (*p
)); i
++)
1132 if (*p
& (mask
>> i
))
1137 fprintf_filtered (stream
, "%1d", b
);
1143 for (p
= valaddr
+ len
- 1;
1147 for (i
= 0; i
< (BITS_IN_BYTES
* sizeof (*p
)); i
++)
1149 if (*p
& (mask
>> i
))
1154 fprintf_filtered (stream
, "%1d", b
);
1160 /* VALADDR points to an integer of LEN bytes.
1161 Print it in octal on stream or format it in buf. */
1164 print_octal_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
1165 unsigned len
, enum bfd_endian byte_order
)
1168 unsigned char octa1
, octa2
, octa3
, carry
;
1171 /* FIXME: We should be not printing leading zeroes in most cases. */
1174 /* Octal is 3 bits, which doesn't fit. Yuk. So we have to track
1175 * the extra bits, which cycle every three bytes:
1177 * Byte side: 0 1 2 3
1179 * bit number 123 456 78 | 9 012 345 6 | 78 901 234 | 567 890 12 |
1181 * Octal side: 0 1 carry 3 4 carry ...
1183 * Cycle number: 0 1 2
1185 * But of course we are printing from the high side, so we have to
1186 * figure out where in the cycle we are so that we end up with no
1187 * left over bits at the end.
1189 #define BITS_IN_OCTAL 3
1190 #define HIGH_ZERO 0340
1191 #define LOW_ZERO 0016
1192 #define CARRY_ZERO 0003
1193 #define HIGH_ONE 0200
1194 #define MID_ONE 0160
1195 #define LOW_ONE 0016
1196 #define CARRY_ONE 0001
1197 #define HIGH_TWO 0300
1198 #define MID_TWO 0070
1199 #define LOW_TWO 0007
1201 /* For 32 we start in cycle 2, with two bits and one bit carry;
1202 for 64 in cycle in cycle 1, with one bit and a two bit carry. */
1204 cycle
= (len
* BITS_IN_BYTES
) % BITS_IN_OCTAL
;
1207 fputs_filtered ("0", stream
);
1208 if (byte_order
== BFD_ENDIAN_BIG
)
1217 /* No carry in, carry out two bits. */
1219 octa1
= (HIGH_ZERO
& *p
) >> 5;
1220 octa2
= (LOW_ZERO
& *p
) >> 2;
1221 carry
= (CARRY_ZERO
& *p
);
1222 fprintf_filtered (stream
, "%o", octa1
);
1223 fprintf_filtered (stream
, "%o", octa2
);
1227 /* Carry in two bits, carry out one bit. */
1229 octa1
= (carry
<< 1) | ((HIGH_ONE
& *p
) >> 7);
1230 octa2
= (MID_ONE
& *p
) >> 4;
1231 octa3
= (LOW_ONE
& *p
) >> 1;
1232 carry
= (CARRY_ONE
& *p
);
1233 fprintf_filtered (stream
, "%o", octa1
);
1234 fprintf_filtered (stream
, "%o", octa2
);
1235 fprintf_filtered (stream
, "%o", octa3
);
1239 /* Carry in one bit, no carry out. */
1241 octa1
= (carry
<< 2) | ((HIGH_TWO
& *p
) >> 6);
1242 octa2
= (MID_TWO
& *p
) >> 3;
1243 octa3
= (LOW_TWO
& *p
);
1245 fprintf_filtered (stream
, "%o", octa1
);
1246 fprintf_filtered (stream
, "%o", octa2
);
1247 fprintf_filtered (stream
, "%o", octa3
);
1251 error (_("Internal error in octal conversion;"));
1255 cycle
= cycle
% BITS_IN_OCTAL
;
1260 for (p
= valaddr
+ len
- 1;
1267 /* Carry out, no carry in */
1269 octa1
= (HIGH_ZERO
& *p
) >> 5;
1270 octa2
= (LOW_ZERO
& *p
) >> 2;
1271 carry
= (CARRY_ZERO
& *p
);
1272 fprintf_filtered (stream
, "%o", octa1
);
1273 fprintf_filtered (stream
, "%o", octa2
);
1277 /* Carry in, carry out */
1279 octa1
= (carry
<< 1) | ((HIGH_ONE
& *p
) >> 7);
1280 octa2
= (MID_ONE
& *p
) >> 4;
1281 octa3
= (LOW_ONE
& *p
) >> 1;
1282 carry
= (CARRY_ONE
& *p
);
1283 fprintf_filtered (stream
, "%o", octa1
);
1284 fprintf_filtered (stream
, "%o", octa2
);
1285 fprintf_filtered (stream
, "%o", octa3
);
1289 /* Carry in, no carry out */
1291 octa1
= (carry
<< 2) | ((HIGH_TWO
& *p
) >> 6);
1292 octa2
= (MID_TWO
& *p
) >> 3;
1293 octa3
= (LOW_TWO
& *p
);
1295 fprintf_filtered (stream
, "%o", octa1
);
1296 fprintf_filtered (stream
, "%o", octa2
);
1297 fprintf_filtered (stream
, "%o", octa3
);
1301 error (_("Internal error in octal conversion;"));
1305 cycle
= cycle
% BITS_IN_OCTAL
;
1311 /* VALADDR points to an integer of LEN bytes.
1312 Print it in decimal on stream or format it in buf. */
1315 print_decimal_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
1316 unsigned len
, enum bfd_endian byte_order
)
1319 #define CARRY_OUT( x ) ((x) / TEN) /* extend char to int */
1320 #define CARRY_LEFT( x ) ((x) % TEN)
1321 #define SHIFT( x ) ((x) << 4)
1322 #define LOW_NIBBLE( x ) ( (x) & 0x00F)
1323 #define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4)
1326 unsigned char *digits
;
1329 int i
, j
, decimal_digits
;
1333 /* Base-ten number is less than twice as many digits
1334 as the base 16 number, which is 2 digits per byte. */
1336 decimal_len
= len
* 2 * 2;
1337 digits
= xmalloc (decimal_len
);
1339 for (i
= 0; i
< decimal_len
; i
++)
1344 /* Ok, we have an unknown number of bytes of data to be printed in
1347 * Given a hex number (in nibbles) as XYZ, we start by taking X and
1348 * decemalizing it as "x1 x2" in two decimal nibbles. Then we multiply
1349 * the nibbles by 16, add Y and re-decimalize. Repeat with Z.
1351 * The trick is that "digits" holds a base-10 number, but sometimes
1352 * the individual digits are > 10.
1354 * Outer loop is per nibble (hex digit) of input, from MSD end to
1357 decimal_digits
= 0; /* Number of decimal digits so far */
1358 p
= (byte_order
== BFD_ENDIAN_BIG
) ? valaddr
: valaddr
+ len
- 1;
1360 while ((byte_order
== BFD_ENDIAN_BIG
) ? (p
< valaddr
+ len
) : (p
>= valaddr
))
1363 * Multiply current base-ten number by 16 in place.
1364 * Each digit was between 0 and 9, now is between
1367 for (j
= 0; j
< decimal_digits
; j
++)
1369 digits
[j
] = SHIFT (digits
[j
]);
1372 /* Take the next nibble off the input and add it to what
1373 * we've got in the LSB position. Bottom 'digit' is now
1374 * between 0 and 159.
1376 * "flip" is used to run this loop twice for each byte.
1380 /* Take top nibble. */
1382 digits
[0] += HIGH_NIBBLE (*p
);
1387 /* Take low nibble and bump our pointer "p". */
1389 digits
[0] += LOW_NIBBLE (*p
);
1390 if (byte_order
== BFD_ENDIAN_BIG
)
1397 /* Re-decimalize. We have to do this often enough
1398 * that we don't overflow, but once per nibble is
1399 * overkill. Easier this way, though. Note that the
1400 * carry is often larger than 10 (e.g. max initial
1401 * carry out of lowest nibble is 15, could bubble all
1402 * the way up greater than 10). So we have to do
1403 * the carrying beyond the last current digit.
1406 for (j
= 0; j
< decimal_len
- 1; j
++)
1410 /* "/" won't handle an unsigned char with
1411 * a value that if signed would be negative.
1412 * So extend to longword int via "dummy".
1415 carry
= CARRY_OUT (dummy
);
1416 digits
[j
] = CARRY_LEFT (dummy
);
1418 if (j
>= decimal_digits
&& carry
== 0)
1421 * All higher digits are 0 and we
1422 * no longer have a carry.
1424 * Note: "j" is 0-based, "decimal_digits" is
1427 decimal_digits
= j
+ 1;
1433 /* Ok, now "digits" is the decimal representation, with
1434 the "decimal_digits" actual digits. Print! */
1436 for (i
= decimal_digits
- 1; i
>= 0; i
--)
1438 fprintf_filtered (stream
, "%1d", digits
[i
]);
1443 /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
1446 print_hex_chars (struct ui_file
*stream
, const gdb_byte
*valaddr
,
1447 unsigned len
, enum bfd_endian byte_order
)
1451 /* FIXME: We should be not printing leading zeroes in most cases. */
1453 fputs_filtered ("0x", stream
);
1454 if (byte_order
== BFD_ENDIAN_BIG
)
1460 fprintf_filtered (stream
, "%02x", *p
);
1465 for (p
= valaddr
+ len
- 1;
1469 fprintf_filtered (stream
, "%02x", *p
);
1474 /* VALADDR points to a char integer of LEN bytes.
1475 Print it out in appropriate language form on stream.
1476 Omit any leading zero chars. */
1479 print_char_chars (struct ui_file
*stream
, struct type
*type
,
1480 const gdb_byte
*valaddr
,
1481 unsigned len
, enum bfd_endian byte_order
)
1485 if (byte_order
== BFD_ENDIAN_BIG
)
1488 while (p
< valaddr
+ len
- 1 && *p
== 0)
1491 while (p
< valaddr
+ len
)
1493 LA_EMIT_CHAR (*p
, type
, stream
, '\'');
1499 p
= valaddr
+ len
- 1;
1500 while (p
> valaddr
&& *p
== 0)
1503 while (p
>= valaddr
)
1505 LA_EMIT_CHAR (*p
, type
, stream
, '\'');
1511 /* Print function pointer with inferior address ADDRESS onto stdio
1515 print_function_pointer_address (const struct value_print_options
*options
,
1516 struct gdbarch
*gdbarch
,
1518 struct ui_file
*stream
)
1521 = gdbarch_convert_from_func_ptr_addr (gdbarch
, address
,
1524 /* If the function pointer is represented by a description, print
1525 the address of the description. */
1526 if (options
->addressprint
&& func_addr
!= address
)
1528 fputs_filtered ("@", stream
);
1529 fputs_filtered (paddress (gdbarch
, address
), stream
);
1530 fputs_filtered (": ", stream
);
1532 print_address_demangle (options
, gdbarch
, func_addr
, stream
, demangle
);
1536 /* Print on STREAM using the given OPTIONS the index for the element
1537 at INDEX of an array whose index type is INDEX_TYPE. */
1540 maybe_print_array_index (struct type
*index_type
, LONGEST index
,
1541 struct ui_file
*stream
,
1542 const struct value_print_options
*options
)
1544 struct value
*index_value
;
1546 if (!options
->print_array_indexes
)
1549 index_value
= value_from_longest (index_type
, index
);
1551 LA_PRINT_ARRAY_INDEX (index_value
, stream
, options
);
1554 /* Called by various <lang>_val_print routines to print elements of an
1555 array in the form "<elem1>, <elem2>, <elem3>, ...".
1557 (FIXME?) Assumes array element separator is a comma, which is correct
1558 for all languages currently handled.
1559 (FIXME?) Some languages have a notation for repeated array elements,
1560 perhaps we should try to use that notation when appropriate. */
1563 val_print_array_elements (struct type
*type
,
1564 const gdb_byte
*valaddr
, int embedded_offset
,
1565 CORE_ADDR address
, struct ui_file
*stream
,
1567 const struct value
*val
,
1568 const struct value_print_options
*options
,
1571 unsigned int things_printed
= 0;
1573 struct type
*elttype
, *index_type
;
1575 /* Position of the array element we are examining to see
1576 whether it is repeated. */
1578 /* Number of repetitions we have detected so far. */
1580 LONGEST low_bound
, high_bound
;
1582 elttype
= TYPE_TARGET_TYPE (type
);
1583 eltlen
= TYPE_LENGTH (check_typedef (elttype
));
1584 index_type
= TYPE_INDEX_TYPE (type
);
1586 if (get_array_bounds (type
, &low_bound
, &high_bound
))
1588 /* The array length should normally be HIGH_BOUND - LOW_BOUND + 1.
1589 But we have to be a little extra careful, because some languages
1590 such as Ada allow LOW_BOUND to be greater than HIGH_BOUND for
1591 empty arrays. In that situation, the array length is just zero,
1593 if (low_bound
> high_bound
)
1596 len
= high_bound
- low_bound
+ 1;
1600 warning (_("unable to get bounds of array, assuming null array"));
1605 annotate_array_section_begin (i
, elttype
);
1607 for (; i
< len
&& things_printed
< options
->print_max
; i
++)
1611 if (options
->prettyprint_arrays
)
1613 fprintf_filtered (stream
, ",\n");
1614 print_spaces_filtered (2 + 2 * recurse
, stream
);
1618 fprintf_filtered (stream
, ", ");
1621 wrap_here (n_spaces (2 + 2 * recurse
));
1622 maybe_print_array_index (index_type
, i
+ low_bound
,
1627 /* Only check for reps if repeat_count_threshold is not set to
1628 UINT_MAX (unlimited). */
1629 if (options
->repeat_count_threshold
< UINT_MAX
)
1632 && value_available_contents_eq (val
,
1633 embedded_offset
+ i
* eltlen
,
1644 if (reps
> options
->repeat_count_threshold
)
1646 val_print (elttype
, valaddr
, embedded_offset
+ i
* eltlen
,
1647 address
, stream
, recurse
+ 1, val
, options
,
1649 annotate_elt_rep (reps
);
1650 fprintf_filtered (stream
, " <repeats %u times>", reps
);
1651 annotate_elt_rep_end ();
1654 things_printed
+= options
->repeat_count_threshold
;
1658 val_print (elttype
, valaddr
, embedded_offset
+ i
* eltlen
,
1660 stream
, recurse
+ 1, val
, options
, current_language
);
1665 annotate_array_section_end ();
1668 fprintf_filtered (stream
, "...");
1672 /* Read LEN bytes of target memory at address MEMADDR, placing the
1673 results in GDB's memory at MYADDR. Returns a count of the bytes
1674 actually read, and optionally an errno value in the location
1675 pointed to by ERRNOPTR if ERRNOPTR is non-null. */
1677 /* FIXME: cagney/1999-10-14: Only used by val_print_string. Can this
1678 function be eliminated. */
1681 partial_memory_read (CORE_ADDR memaddr
, gdb_byte
*myaddr
,
1682 int len
, int *errnoptr
)
1684 int nread
; /* Number of bytes actually read. */
1685 int errcode
; /* Error from last read. */
1687 /* First try a complete read. */
1688 errcode
= target_read_memory (memaddr
, myaddr
, len
);
1696 /* Loop, reading one byte at a time until we get as much as we can. */
1697 for (errcode
= 0, nread
= 0; len
> 0 && errcode
== 0; nread
++, len
--)
1699 errcode
= target_read_memory (memaddr
++, myaddr
++, 1);
1701 /* If an error, the last read was unsuccessful, so adjust count. */
1707 if (errnoptr
!= NULL
)
1709 *errnoptr
= errcode
;
1714 /* Read a string from the inferior, at ADDR, with LEN characters of WIDTH bytes
1715 each. Fetch at most FETCHLIMIT characters. BUFFER will be set to a newly
1716 allocated buffer containing the string, which the caller is responsible to
1717 free, and BYTES_READ will be set to the number of bytes read. Returns 0 on
1718 success, or errno on failure.
1720 If LEN > 0, reads exactly LEN characters (including eventual NULs in
1721 the middle or end of the string). If LEN is -1, stops at the first
1722 null character (not necessarily the first null byte) up to a maximum
1723 of FETCHLIMIT characters. Set FETCHLIMIT to UINT_MAX to read as many
1724 characters as possible from the string.
1726 Unless an exception is thrown, BUFFER will always be allocated, even on
1727 failure. In this case, some characters might have been read before the
1728 failure happened. Check BYTES_READ to recognize this situation.
1730 Note: There was a FIXME asking to make this code use target_read_string,
1731 but this function is more general (can read past null characters, up to
1732 given LEN). Besides, it is used much more often than target_read_string
1733 so it is more tested. Perhaps callers of target_read_string should use
1734 this function instead? */
1737 read_string (CORE_ADDR addr
, int len
, int width
, unsigned int fetchlimit
,
1738 enum bfd_endian byte_order
, gdb_byte
**buffer
, int *bytes_read
)
1740 int found_nul
; /* Non-zero if we found the nul char. */
1741 int errcode
; /* Errno returned from bad reads. */
1742 unsigned int nfetch
; /* Chars to fetch / chars fetched. */
1743 unsigned int chunksize
; /* Size of each fetch, in chars. */
1744 gdb_byte
*bufptr
; /* Pointer to next available byte in
1746 gdb_byte
*limit
; /* First location past end of fetch buffer. */
1747 struct cleanup
*old_chain
= NULL
; /* Top of the old cleanup chain. */
1749 /* Decide how large of chunks to try to read in one operation. This
1750 is also pretty simple. If LEN >= zero, then we want fetchlimit chars,
1751 so we might as well read them all in one operation. If LEN is -1, we
1752 are looking for a NUL terminator to end the fetching, so we might as
1753 well read in blocks that are large enough to be efficient, but not so
1754 large as to be slow if fetchlimit happens to be large. So we choose the
1755 minimum of 8 and fetchlimit. We used to use 200 instead of 8 but
1756 200 is way too big for remote debugging over a serial line. */
1758 chunksize
= (len
== -1 ? min (8, fetchlimit
) : fetchlimit
);
1760 /* Loop until we either have all the characters, or we encounter
1761 some error, such as bumping into the end of the address space. */
1766 old_chain
= make_cleanup (free_current_contents
, buffer
);
1770 *buffer
= (gdb_byte
*) xmalloc (len
* width
);
1773 nfetch
= partial_memory_read (addr
, bufptr
, len
* width
, &errcode
)
1775 addr
+= nfetch
* width
;
1776 bufptr
+= nfetch
* width
;
1780 unsigned long bufsize
= 0;
1785 nfetch
= min (chunksize
, fetchlimit
- bufsize
);
1787 if (*buffer
== NULL
)
1788 *buffer
= (gdb_byte
*) xmalloc (nfetch
* width
);
1790 *buffer
= (gdb_byte
*) xrealloc (*buffer
,
1791 (nfetch
+ bufsize
) * width
);
1793 bufptr
= *buffer
+ bufsize
* width
;
1796 /* Read as much as we can. */
1797 nfetch
= partial_memory_read (addr
, bufptr
, nfetch
* width
, &errcode
)
1800 /* Scan this chunk for the null character that terminates the string
1801 to print. If found, we don't need to fetch any more. Note
1802 that bufptr is explicitly left pointing at the next character
1803 after the null character, or at the next character after the end
1806 limit
= bufptr
+ nfetch
* width
;
1807 while (bufptr
< limit
)
1811 c
= extract_unsigned_integer (bufptr
, width
, byte_order
);
1816 /* We don't care about any error which happened after
1817 the NUL terminator. */
1824 while (errcode
== 0 /* no error */
1825 && bufptr
- *buffer
< fetchlimit
* width
/* no overrun */
1826 && !found_nul
); /* haven't found NUL yet */
1829 { /* Length of string is really 0! */
1830 /* We always allocate *buffer. */
1831 *buffer
= bufptr
= xmalloc (1);
1835 /* bufptr and addr now point immediately beyond the last byte which we
1836 consider part of the string (including a '\0' which ends the string). */
1837 *bytes_read
= bufptr
- *buffer
;
1841 discard_cleanups (old_chain
);
1846 /* Return true if print_wchar can display W without resorting to a
1847 numeric escape, false otherwise. */
1850 wchar_printable (gdb_wchar_t w
)
1852 return (gdb_iswprint (w
)
1853 || w
== LCST ('\a') || w
== LCST ('\b')
1854 || w
== LCST ('\f') || w
== LCST ('\n')
1855 || w
== LCST ('\r') || w
== LCST ('\t')
1856 || w
== LCST ('\v'));
1859 /* A helper function that converts the contents of STRING to wide
1860 characters and then appends them to OUTPUT. */
1863 append_string_as_wide (const char *string
,
1864 struct obstack
*output
)
1866 for (; *string
; ++string
)
1868 gdb_wchar_t w
= gdb_btowc (*string
);
1869 obstack_grow (output
, &w
, sizeof (gdb_wchar_t
));
1873 /* Print a wide character W to OUTPUT. ORIG is a pointer to the
1874 original (target) bytes representing the character, ORIG_LEN is the
1875 number of valid bytes. WIDTH is the number of bytes in a base
1876 characters of the type. OUTPUT is an obstack to which wide
1877 characters are emitted. QUOTER is a (narrow) character indicating
1878 the style of quotes surrounding the character to be printed.
1879 NEED_ESCAPE is an in/out flag which is used to track numeric
1880 escapes across calls. */
1883 print_wchar (gdb_wint_t w
, const gdb_byte
*orig
,
1884 int orig_len
, int width
,
1885 enum bfd_endian byte_order
,
1886 struct obstack
*output
,
1887 int quoter
, int *need_escapep
)
1889 int need_escape
= *need_escapep
;
1892 if (gdb_iswprint (w
) && (!need_escape
|| (!gdb_iswdigit (w
)
1894 && w
!= LCST ('9'))))
1896 gdb_wchar_t wchar
= w
;
1898 if (w
== gdb_btowc (quoter
) || w
== LCST ('\\'))
1899 obstack_grow_wstr (output
, LCST ("\\"));
1900 obstack_grow (output
, &wchar
, sizeof (gdb_wchar_t
));
1907 obstack_grow_wstr (output
, LCST ("\\a"));
1910 obstack_grow_wstr (output
, LCST ("\\b"));
1913 obstack_grow_wstr (output
, LCST ("\\f"));
1916 obstack_grow_wstr (output
, LCST ("\\n"));
1919 obstack_grow_wstr (output
, LCST ("\\r"));
1922 obstack_grow_wstr (output
, LCST ("\\t"));
1925 obstack_grow_wstr (output
, LCST ("\\v"));
1931 for (i
= 0; i
+ width
<= orig_len
; i
+= width
)
1936 value
= extract_unsigned_integer (&orig
[i
], width
,
1938 /* If the value fits in 3 octal digits, print it that
1939 way. Otherwise, print it as a hex escape. */
1941 sprintf (octal
, "\\%.3o", (int) (value
& 0777));
1943 sprintf (octal
, "\\x%lx", (long) value
);
1944 append_string_as_wide (octal
, output
);
1946 /* If we somehow have extra bytes, print them now. */
1947 while (i
< orig_len
)
1951 sprintf (octal
, "\\%.3o", orig
[i
] & 0xff);
1952 append_string_as_wide (octal
, output
);
1963 /* Print the character C on STREAM as part of the contents of a
1964 literal string whose delimiter is QUOTER. ENCODING names the
1968 generic_emit_char (int c
, struct type
*type
, struct ui_file
*stream
,
1969 int quoter
, const char *encoding
)
1971 enum bfd_endian byte_order
1972 = gdbarch_byte_order (get_type_arch (type
));
1973 struct obstack wchar_buf
, output
;
1974 struct cleanup
*cleanups
;
1976 struct wchar_iterator
*iter
;
1977 int need_escape
= 0;
1979 buf
= alloca (TYPE_LENGTH (type
));
1980 pack_long (buf
, type
, c
);
1982 iter
= make_wchar_iterator (buf
, TYPE_LENGTH (type
),
1983 encoding
, TYPE_LENGTH (type
));
1984 cleanups
= make_cleanup_wchar_iterator (iter
);
1986 /* This holds the printable form of the wchar_t data. */
1987 obstack_init (&wchar_buf
);
1988 make_cleanup_obstack_free (&wchar_buf
);
1994 const gdb_byte
*buf
;
1996 int print_escape
= 1;
1997 enum wchar_iterate_result result
;
1999 num_chars
= wchar_iterate (iter
, &result
, &chars
, &buf
, &buflen
);
2004 /* If all characters are printable, print them. Otherwise,
2005 we're going to have to print an escape sequence. We
2006 check all characters because we want to print the target
2007 bytes in the escape sequence, and we don't know character
2008 boundaries there. */
2012 for (i
= 0; i
< num_chars
; ++i
)
2013 if (!wchar_printable (chars
[i
]))
2021 for (i
= 0; i
< num_chars
; ++i
)
2022 print_wchar (chars
[i
], buf
, buflen
,
2023 TYPE_LENGTH (type
), byte_order
,
2024 &wchar_buf
, quoter
, &need_escape
);
2028 /* This handles the NUM_CHARS == 0 case as well. */
2030 print_wchar (gdb_WEOF
, buf
, buflen
, TYPE_LENGTH (type
),
2031 byte_order
, &wchar_buf
, quoter
, &need_escape
);
2034 /* The output in the host encoding. */
2035 obstack_init (&output
);
2036 make_cleanup_obstack_free (&output
);
2038 convert_between_encodings (INTERMEDIATE_ENCODING
, host_charset (),
2039 obstack_base (&wchar_buf
),
2040 obstack_object_size (&wchar_buf
),
2041 1, &output
, translit_char
);
2042 obstack_1grow (&output
, '\0');
2044 fputs_filtered (obstack_base (&output
), stream
);
2046 do_cleanups (cleanups
);
2049 /* Print the character string STRING, printing at most LENGTH
2050 characters. LENGTH is -1 if the string is nul terminated. TYPE is
2051 the type of each character. OPTIONS holds the printing options;
2052 printing stops early if the number hits print_max; repeat counts
2053 are printed as appropriate. Print ellipses at the end if we had to
2054 stop before printing LENGTH characters, or if FORCE_ELLIPSES.
2055 QUOTE_CHAR is the character to print at each end of the string. If
2056 C_STYLE_TERMINATOR is true, and the last character is 0, then it is
2060 generic_printstr (struct ui_file
*stream
, struct type
*type
,
2061 const gdb_byte
*string
, unsigned int length
,
2062 const char *encoding
, int force_ellipses
,
2063 int quote_char
, int c_style_terminator
,
2064 const struct value_print_options
*options
)
2066 enum bfd_endian byte_order
= gdbarch_byte_order (get_type_arch (type
));
2068 unsigned int things_printed
= 0;
2071 int width
= TYPE_LENGTH (type
);
2072 struct obstack wchar_buf
, output
;
2073 struct cleanup
*cleanup
;
2074 struct wchar_iterator
*iter
;
2076 int need_escape
= 0;
2077 gdb_wchar_t wide_quote_char
= gdb_btowc (quote_char
);
2081 unsigned long current_char
= 1;
2083 for (i
= 0; current_char
; ++i
)
2086 current_char
= extract_unsigned_integer (string
+ i
* width
,
2092 /* If the string was not truncated due to `set print elements', and
2093 the last byte of it is a null, we don't print that, in
2094 traditional C style. */
2095 if (c_style_terminator
2098 && (extract_unsigned_integer (string
+ (length
- 1) * width
,
2099 width
, byte_order
) == 0))
2104 fputs_filtered ("\"\"", stream
);
2108 /* Arrange to iterate over the characters, in wchar_t form. */
2109 iter
= make_wchar_iterator (string
, length
* width
, encoding
, width
);
2110 cleanup
= make_cleanup_wchar_iterator (iter
);
2112 /* WCHAR_BUF is the obstack we use to represent the string in
2114 obstack_init (&wchar_buf
);
2115 make_cleanup_obstack_free (&wchar_buf
);
2117 while (!finished
&& things_printed
< options
->print_max
)
2120 enum wchar_iterate_result result
;
2122 const gdb_byte
*buf
;
2129 obstack_grow_wstr (&wchar_buf
, LCST (", "));
2133 num_chars
= wchar_iterate (iter
, &result
, &chars
, &buf
, &buflen
);
2134 /* We only look at repetitions when we were able to convert a
2135 single character in isolation. This makes the code simpler
2136 and probably does the sensible thing in the majority of
2138 while (num_chars
== 1 && things_printed
< options
->print_max
)
2140 /* Count the number of repetitions. */
2141 unsigned int reps
= 0;
2142 gdb_wchar_t current_char
= chars
[0];
2143 const gdb_byte
*orig_buf
= buf
;
2144 int orig_len
= buflen
;
2148 obstack_grow_wstr (&wchar_buf
, LCST (", "));
2152 while (num_chars
== 1 && current_char
== chars
[0])
2154 num_chars
= wchar_iterate (iter
, &result
, &chars
,
2159 /* Emit CURRENT_CHAR according to the repetition count and
2161 if (reps
> options
->repeat_count_threshold
)
2165 if (options
->inspect_it
)
2166 obstack_grow_wstr (&wchar_buf
, LCST ("\\"));
2167 obstack_grow (&wchar_buf
, &wide_quote_char
,
2168 sizeof (gdb_wchar_t
));
2169 obstack_grow_wstr (&wchar_buf
, LCST (", "));
2172 obstack_grow_wstr (&wchar_buf
, LCST ("'"));
2174 print_wchar (current_char
, orig_buf
, orig_len
, width
,
2175 byte_order
, &wchar_buf
, '\'', &need_escape
);
2176 obstack_grow_wstr (&wchar_buf
, LCST ("'"));
2178 /* Painful gyrations. */
2180 char *s
= xstrprintf (_(" <repeats %u times>"), reps
);
2182 for (j
= 0; s
[j
]; ++j
)
2184 gdb_wchar_t w
= gdb_btowc (s
[j
]);
2185 obstack_grow (&wchar_buf
, &w
, sizeof (gdb_wchar_t
));
2189 things_printed
+= options
->repeat_count_threshold
;
2194 /* Saw the character one or more times, but fewer than
2195 the repetition threshold. */
2198 if (options
->inspect_it
)
2199 obstack_grow_wstr (&wchar_buf
, LCST ("\\"));
2200 obstack_grow (&wchar_buf
, &wide_quote_char
,
2201 sizeof (gdb_wchar_t
));
2208 print_wchar (current_char
, orig_buf
,
2210 byte_order
, &wchar_buf
,
2211 quote_char
, &need_escape
);
2217 /* NUM_CHARS and the other outputs from wchar_iterate are valid
2218 here regardless of which branch was taken above. */
2228 case wchar_iterate_invalid
:
2231 if (options
->inspect_it
)
2232 obstack_grow_wstr (&wchar_buf
, LCST ("\\"));
2233 obstack_grow (&wchar_buf
, &wide_quote_char
,
2234 sizeof (gdb_wchar_t
));
2238 print_wchar (gdb_WEOF
, buf
, buflen
, width
, byte_order
,
2239 &wchar_buf
, quote_char
, &need_escape
);
2242 case wchar_iterate_incomplete
:
2245 if (options
->inspect_it
)
2246 obstack_grow_wstr (&wchar_buf
, LCST ("\\"));
2247 obstack_grow (&wchar_buf
, &wide_quote_char
,
2248 sizeof (gdb_wchar_t
));
2249 obstack_grow_wstr (&wchar_buf
, LCST (","));
2252 obstack_grow_wstr (&wchar_buf
,
2253 LCST (" <incomplete sequence "));
2254 print_wchar (gdb_WEOF
, buf
, buflen
, width
,
2255 byte_order
, &wchar_buf
,
2257 obstack_grow_wstr (&wchar_buf
, LCST (">"));
2263 /* Terminate the quotes if necessary. */
2266 if (options
->inspect_it
)
2267 obstack_grow_wstr (&wchar_buf
, LCST ("\\"));
2268 obstack_grow (&wchar_buf
, &wide_quote_char
,
2269 sizeof (gdb_wchar_t
));
2272 if (force_ellipses
|| !finished
)
2273 obstack_grow_wstr (&wchar_buf
, LCST ("..."));
2275 /* OUTPUT is where we collect `char's for printing. */
2276 obstack_init (&output
);
2277 make_cleanup_obstack_free (&output
);
2279 convert_between_encodings (INTERMEDIATE_ENCODING
, host_charset (),
2280 obstack_base (&wchar_buf
),
2281 obstack_object_size (&wchar_buf
),
2282 1, &output
, translit_char
);
2283 obstack_1grow (&output
, '\0');
2285 fputs_filtered (obstack_base (&output
), stream
);
2287 do_cleanups (cleanup
);
2290 /* Print a string from the inferior, starting at ADDR and printing up to LEN
2291 characters, of WIDTH bytes a piece, to STREAM. If LEN is -1, printing
2292 stops at the first null byte, otherwise printing proceeds (including null
2293 bytes) until either print_max or LEN characters have been printed,
2294 whichever is smaller. ENCODING is the name of the string's
2295 encoding. It can be NULL, in which case the target encoding is
2299 val_print_string (struct type
*elttype
, const char *encoding
,
2300 CORE_ADDR addr
, int len
,
2301 struct ui_file
*stream
,
2302 const struct value_print_options
*options
)
2304 int force_ellipsis
= 0; /* Force ellipsis to be printed if nonzero. */
2305 int errcode
; /* Errno returned from bad reads. */
2306 int found_nul
; /* Non-zero if we found the nul char. */
2307 unsigned int fetchlimit
; /* Maximum number of chars to print. */
2309 gdb_byte
*buffer
= NULL
; /* Dynamically growable fetch buffer. */
2310 struct cleanup
*old_chain
= NULL
; /* Top of the old cleanup chain. */
2311 struct gdbarch
*gdbarch
= get_type_arch (elttype
);
2312 enum bfd_endian byte_order
= gdbarch_byte_order (gdbarch
);
2313 int width
= TYPE_LENGTH (elttype
);
2315 /* First we need to figure out the limit on the number of characters we are
2316 going to attempt to fetch and print. This is actually pretty simple. If
2317 LEN >= zero, then the limit is the minimum of LEN and print_max. If
2318 LEN is -1, then the limit is print_max. This is true regardless of
2319 whether print_max is zero, UINT_MAX (unlimited), or something in between,
2320 because finding the null byte (or available memory) is what actually
2321 limits the fetch. */
2323 fetchlimit
= (len
== -1 ? options
->print_max
: min (len
,
2324 options
->print_max
));
2326 errcode
= read_string (addr
, len
, width
, fetchlimit
, byte_order
,
2327 &buffer
, &bytes_read
);
2328 old_chain
= make_cleanup (xfree
, buffer
);
2332 /* We now have either successfully filled the buffer to fetchlimit,
2333 or terminated early due to an error or finding a null char when
2336 /* Determine found_nul by looking at the last character read. */
2337 found_nul
= extract_unsigned_integer (buffer
+ bytes_read
- width
, width
,
2339 if (len
== -1 && !found_nul
)
2343 /* We didn't find a NUL terminator we were looking for. Attempt
2344 to peek at the next character. If not successful, or it is not
2345 a null byte, then force ellipsis to be printed. */
2347 peekbuf
= (gdb_byte
*) alloca (width
);
2349 if (target_read_memory (addr
, peekbuf
, width
) == 0
2350 && extract_unsigned_integer (peekbuf
, width
, byte_order
) != 0)
2353 else if ((len
>= 0 && errcode
!= 0) || (len
> bytes_read
/ width
))
2355 /* Getting an error when we have a requested length, or fetching less
2356 than the number of characters actually requested, always make us
2361 /* If we get an error before fetching anything, don't print a string.
2362 But if we fetch something and then get an error, print the string
2363 and then the error message. */
2364 if (errcode
== 0 || bytes_read
> 0)
2366 LA_PRINT_STRING (stream
, elttype
, buffer
, bytes_read
/ width
,
2367 encoding
, force_ellipsis
, options
);
2374 fprintf_filtered (stream
, "<Address ");
2375 fputs_filtered (paddress (gdbarch
, addr
), stream
);
2376 fprintf_filtered (stream
, " out of bounds>");
2380 fprintf_filtered (stream
, "<Error reading address ");
2381 fputs_filtered (paddress (gdbarch
, addr
), stream
);
2382 fprintf_filtered (stream
, ": %s>", safe_strerror (errcode
));
2387 do_cleanups (old_chain
);
2389 return (bytes_read
/ width
);
2393 /* The 'set input-radix' command writes to this auxiliary variable.
2394 If the requested radix is valid, INPUT_RADIX is updated; otherwise,
2395 it is left unchanged. */
2397 static unsigned input_radix_1
= 10;
2399 /* Validate an input or output radix setting, and make sure the user
2400 knows what they really did here. Radix setting is confusing, e.g.
2401 setting the input radix to "10" never changes it! */
2404 set_input_radix (char *args
, int from_tty
, struct cmd_list_element
*c
)
2406 set_input_radix_1 (from_tty
, input_radix_1
);
2410 set_input_radix_1 (int from_tty
, unsigned radix
)
2412 /* We don't currently disallow any input radix except 0 or 1, which don't
2413 make any mathematical sense. In theory, we can deal with any input
2414 radix greater than 1, even if we don't have unique digits for every
2415 value from 0 to radix-1, but in practice we lose on large radix values.
2416 We should either fix the lossage or restrict the radix range more.
2421 input_radix_1
= input_radix
;
2422 error (_("Nonsense input radix ``decimal %u''; input radix unchanged."),
2425 input_radix_1
= input_radix
= radix
;
2428 printf_filtered (_("Input radix now set to "
2429 "decimal %u, hex %x, octal %o.\n"),
2430 radix
, radix
, radix
);
2434 /* The 'set output-radix' command writes to this auxiliary variable.
2435 If the requested radix is valid, OUTPUT_RADIX is updated,
2436 otherwise, it is left unchanged. */
2438 static unsigned output_radix_1
= 10;
2441 set_output_radix (char *args
, int from_tty
, struct cmd_list_element
*c
)
2443 set_output_radix_1 (from_tty
, output_radix_1
);
2447 set_output_radix_1 (int from_tty
, unsigned radix
)
2449 /* Validate the radix and disallow ones that we aren't prepared to
2450 handle correctly, leaving the radix unchanged. */
2454 user_print_options
.output_format
= 'x'; /* hex */
2457 user_print_options
.output_format
= 0; /* decimal */
2460 user_print_options
.output_format
= 'o'; /* octal */
2463 output_radix_1
= output_radix
;
2464 error (_("Unsupported output radix ``decimal %u''; "
2465 "output radix unchanged."),
2468 output_radix_1
= output_radix
= radix
;
2471 printf_filtered (_("Output radix now set to "
2472 "decimal %u, hex %x, octal %o.\n"),
2473 radix
, radix
, radix
);
2477 /* Set both the input and output radix at once. Try to set the output radix
2478 first, since it has the most restrictive range. An radix that is valid as
2479 an output radix is also valid as an input radix.
2481 It may be useful to have an unusual input radix. If the user wishes to
2482 set an input radix that is not valid as an output radix, he needs to use
2483 the 'set input-radix' command. */
2486 set_radix (char *arg
, int from_tty
)
2490 radix
= (arg
== NULL
) ? 10 : parse_and_eval_long (arg
);
2491 set_output_radix_1 (0, radix
);
2492 set_input_radix_1 (0, radix
);
2495 printf_filtered (_("Input and output radices now set to "
2496 "decimal %u, hex %x, octal %o.\n"),
2497 radix
, radix
, radix
);
2501 /* Show both the input and output radices. */
2504 show_radix (char *arg
, int from_tty
)
2508 if (input_radix
== output_radix
)
2510 printf_filtered (_("Input and output radices set to "
2511 "decimal %u, hex %x, octal %o.\n"),
2512 input_radix
, input_radix
, input_radix
);
2516 printf_filtered (_("Input radix set to decimal "
2517 "%u, hex %x, octal %o.\n"),
2518 input_radix
, input_radix
, input_radix
);
2519 printf_filtered (_("Output radix set to decimal "
2520 "%u, hex %x, octal %o.\n"),
2521 output_radix
, output_radix
, output_radix
);
2528 set_print (char *arg
, int from_tty
)
2531 "\"set print\" must be followed by the name of a print subcommand.\n");
2532 help_list (setprintlist
, "set print ", -1, gdb_stdout
);
2536 show_print (char *args
, int from_tty
)
2538 cmd_show_list (showprintlist
, from_tty
, "");
2542 _initialize_valprint (void)
2544 add_prefix_cmd ("print", no_class
, set_print
,
2545 _("Generic command for setting how things print."),
2546 &setprintlist
, "set print ", 0, &setlist
);
2547 add_alias_cmd ("p", "print", no_class
, 1, &setlist
);
2548 /* Prefer set print to set prompt. */
2549 add_alias_cmd ("pr", "print", no_class
, 1, &setlist
);
2551 add_prefix_cmd ("print", no_class
, show_print
,
2552 _("Generic command for showing print settings."),
2553 &showprintlist
, "show print ", 0, &showlist
);
2554 add_alias_cmd ("p", "print", no_class
, 1, &showlist
);
2555 add_alias_cmd ("pr", "print", no_class
, 1, &showlist
);
2557 add_setshow_uinteger_cmd ("elements", no_class
,
2558 &user_print_options
.print_max
, _("\
2559 Set limit on string chars or array elements to print."), _("\
2560 Show limit on string chars or array elements to print."), _("\
2561 \"set print elements 0\" causes there to be no limit."),
2564 &setprintlist
, &showprintlist
);
2566 add_setshow_boolean_cmd ("null-stop", no_class
,
2567 &user_print_options
.stop_print_at_null
, _("\
2568 Set printing of char arrays to stop at first null char."), _("\
2569 Show printing of char arrays to stop at first null char."), NULL
,
2571 show_stop_print_at_null
,
2572 &setprintlist
, &showprintlist
);
2574 add_setshow_uinteger_cmd ("repeats", no_class
,
2575 &user_print_options
.repeat_count_threshold
, _("\
2576 Set threshold for repeated print elements."), _("\
2577 Show threshold for repeated print elements."), _("\
2578 \"set print repeats 0\" causes all elements to be individually printed."),
2580 show_repeat_count_threshold
,
2581 &setprintlist
, &showprintlist
);
2583 add_setshow_boolean_cmd ("pretty", class_support
,
2584 &user_print_options
.prettyprint_structs
, _("\
2585 Set prettyprinting of structures."), _("\
2586 Show prettyprinting of structures."), NULL
,
2588 show_prettyprint_structs
,
2589 &setprintlist
, &showprintlist
);
2591 add_setshow_boolean_cmd ("union", class_support
,
2592 &user_print_options
.unionprint
, _("\
2593 Set printing of unions interior to structures."), _("\
2594 Show printing of unions interior to structures."), NULL
,
2597 &setprintlist
, &showprintlist
);
2599 add_setshow_boolean_cmd ("array", class_support
,
2600 &user_print_options
.prettyprint_arrays
, _("\
2601 Set prettyprinting of arrays."), _("\
2602 Show prettyprinting of arrays."), NULL
,
2604 show_prettyprint_arrays
,
2605 &setprintlist
, &showprintlist
);
2607 add_setshow_boolean_cmd ("address", class_support
,
2608 &user_print_options
.addressprint
, _("\
2609 Set printing of addresses."), _("\
2610 Show printing of addresses."), NULL
,
2613 &setprintlist
, &showprintlist
);
2615 add_setshow_boolean_cmd ("symbol", class_support
,
2616 &user_print_options
.symbol_print
, _("\
2617 Set printing of symbol names when printing pointers."), _("\
2618 Show printing of symbol names when printing pointers."),
2621 &setprintlist
, &showprintlist
);
2623 add_setshow_zuinteger_cmd ("input-radix", class_support
, &input_radix_1
,
2625 Set default input radix for entering numbers."), _("\
2626 Show default input radix for entering numbers."), NULL
,
2629 &setlist
, &showlist
);
2631 add_setshow_zuinteger_cmd ("output-radix", class_support
, &output_radix_1
,
2633 Set default output radix for printing of values."), _("\
2634 Show default output radix for printing of values."), NULL
,
2637 &setlist
, &showlist
);
2639 /* The "set radix" and "show radix" commands are special in that
2640 they are like normal set and show commands but allow two normally
2641 independent variables to be either set or shown with a single
2642 command. So the usual deprecated_add_set_cmd() and [deleted]
2643 add_show_from_set() commands aren't really appropriate. */
2644 /* FIXME: i18n: With the new add_setshow_integer command, that is no
2645 longer true - show can display anything. */
2646 add_cmd ("radix", class_support
, set_radix
, _("\
2647 Set default input and output number radices.\n\
2648 Use 'set input-radix' or 'set output-radix' to independently set each.\n\
2649 Without an argument, sets both radices back to the default value of 10."),
2651 add_cmd ("radix", class_support
, show_radix
, _("\
2652 Show the default input and output number radices.\n\
2653 Use 'show input-radix' or 'show output-radix' to independently show each."),
2656 add_setshow_boolean_cmd ("array-indexes", class_support
,
2657 &user_print_options
.print_array_indexes
, _("\
2658 Set printing of array indexes."), _("\
2659 Show printing of array indexes"), NULL
, NULL
, show_print_array_indexes
,
2660 &setprintlist
, &showprintlist
);