1 /* Print values for GNU debugger GDB.
2 Copyright 1986, 1987, 1988, 1989, 1990, 1991 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
27 #include "expression.h"
31 #include "breakpoint.h"
34 /* These are just for containing_function_bounds. It might be better
35 to move containing_function_bounds to blockframe.c or thereabouts. */
40 extern int asm_demangle
; /* Whether to demangle syms in asm printouts */
41 extern int addressprint
; /* Whether to print hex addresses in HLL " */
50 /* Last specified output format. */
52 static char last_format
= 'x';
54 /* Last specified examination size. 'b', 'h', 'w' or `q'. */
56 static char last_size
= 'w';
58 /* Default address to examine next. */
60 static CORE_ADDR next_address
;
62 /* Last address examined. */
64 static CORE_ADDR last_examine_address
;
66 /* Contents of last address examined.
67 This is not valid past the end of the `x' command! */
69 static value last_examine_value
;
71 /* Largest offset between a symbolic value and an address, that will be
72 printed as `0x1234 <symbol+offset>'. */
74 static unsigned int max_symbolic_offset
= UINT_MAX
;
76 /* Number of auto-display expression currently being displayed.
77 So that we can disable it if we get an error or a signal within it.
78 -1 when not doing one. */
80 int current_display_number
;
82 /* Flag to low-level print routines that this value is being printed
83 in an epoch window. We'd like to pass this as a parameter, but
84 every routine would need to take it. Perhaps we can encapsulate
85 this in the I/O stream once we have GNU stdio. */
91 /* Chain link to next auto-display item. */
93 /* Expression to be evaluated and displayed. */
94 struct expression
*exp
;
95 /* Item number of this auto-display item. */
97 /* Display format specified. */
98 struct format_data format
;
99 /* Innermost block required by this expression when evaluated */
101 /* Status of this display (enabled or disabled) */
105 /* Chain of expressions whose values should be displayed
106 automatically each time the program stops. */
108 static struct display
*display_chain
;
110 static int display_number
;
112 /* Prototypes for local functions */
115 delete_display
PARAMS ((int));
118 enable_display
PARAMS ((char *, int));
121 disable_display_command
PARAMS ((char *, int));
124 disassemble_command
PARAMS ((char *, int));
127 containing_function_bounds
PARAMS ((CORE_ADDR
, CORE_ADDR
*, CORE_ADDR
*));
130 printf_command
PARAMS ((char *, int));
133 print_frame_nameless_args
PARAMS ((struct frame_info
*, long, int, int,
137 display_info
PARAMS ((char *, int));
140 do_one_display
PARAMS ((struct display
*));
143 undisplay_command
PARAMS ((char *, int));
146 free_display
PARAMS ((struct display
*));
149 display_command
PARAMS ((char *, int));
152 x_command
PARAMS ((char *, int));
155 address_info
PARAMS ((char *, int));
158 set_command
PARAMS ((char *, int));
161 output_command
PARAMS ((char *, int));
164 call_command
PARAMS ((char *, int));
167 inspect_command
PARAMS ((char *, int));
170 print_command
PARAMS ((char *, int));
173 print_command_1
PARAMS ((char *, int, int));
176 validate_format
PARAMS ((struct format_data
, char *));
179 do_examine
PARAMS ((struct format_data
, CORE_ADDR
));
182 print_formatted
PARAMS ((value
, int, int));
184 static struct format_data
185 decode_format
PARAMS ((char **, int, int));
188 /* Decode a format specification. *STRING_PTR should point to it.
189 OFORMAT and OSIZE are used as defaults for the format and size
190 if none are given in the format specification.
191 If OSIZE is zero, then the size field of the returned value
192 should be set only if a size is explicitly specified by the
194 The structure returned describes all the data
195 found in the specification. In addition, *STRING_PTR is advanced
196 past the specification and past all whitespace following it. */
198 static struct format_data
199 decode_format (string_ptr
, oformat
, osize
)
204 struct format_data val
;
205 register char *p
= *string_ptr
;
211 if (*p
>= '0' && *p
<= '9')
212 val
.count
= atoi (p
);
213 while (*p
>= '0' && *p
<= '9') p
++;
215 /* Now process size or format letters that follow. */
219 if (*p
== 'b' || *p
== 'h' || *p
== 'w' || *p
== 'g')
228 else if (*p
>= 'a' && *p
<= 'z')
235 /* Make sure 'g' size is not used on integer types.
236 Well, actually, we can handle hex. */
237 if (val
.size
== 'g' && val
.format
!= 'f' && val
.format
!= 'x')
241 while (*p
== ' ' || *p
== '\t') p
++;
244 /* Set defaults for format and size if not specified. */
245 if (val
.format
== '?')
249 /* Neither has been specified. */
250 val
.format
= oformat
;
254 /* If a size is specified, any format makes a reasonable
255 default except 'i'. */
256 val
.format
= oformat
== 'i' ? 'x' : oformat
;
258 else if (val
.size
== '?')
263 /* Addresses must be words. */
264 val
.size
= osize
? 'w' : osize
;
267 /* Floating point has to be word or giantword. */
268 if (osize
== 'w' || osize
== 'g')
271 /* Default it to giantword if the last used size is not
273 val
.size
= osize
? 'g' : osize
;
276 /* Characters default to one byte. */
277 val
.size
= osize
? 'b' : osize
;
280 /* The default is the size most recently specified. */
287 /* Print value VAL on stdout according to FORMAT, a letter or 0.
288 Do not end with a newline.
289 0 means print VAL according to its own type.
290 SIZE is the letter for the size of datum being printed.
291 This is used to pad hex numbers so they line up. */
294 print_formatted (val
, format
, size
)
299 int len
= TYPE_LENGTH (VALUE_TYPE (val
));
301 if (VALUE_LVAL (val
) == lval_memory
)
302 next_address
= VALUE_ADDRESS (val
) + len
;
307 next_address
= VALUE_ADDRESS (val
)
308 + value_print (value_addr (val
), stdout
, format
, Val_pretty_default
);
312 wrap_here (""); /* Force output out, print_insn not using _filtered */
313 next_address
= VALUE_ADDRESS (val
)
314 + print_insn (VALUE_ADDRESS (val
), stdout
);
319 || TYPE_CODE (VALUE_TYPE (val
)) == TYPE_CODE_ARRAY
320 || TYPE_CODE (VALUE_TYPE (val
)) == TYPE_CODE_STRING
321 || TYPE_CODE (VALUE_TYPE (val
)) == TYPE_CODE_STRUCT
322 || TYPE_CODE (VALUE_TYPE (val
)) == TYPE_CODE_UNION
323 || VALUE_REPEATED (val
))
324 value_print (val
, stdout
, format
, Val_pretty_default
);
326 print_scalar_formatted (VALUE_CONTENTS (val
), VALUE_TYPE (val
),
327 format
, size
, stdout
);
331 /* Print a scalar of data of type TYPE, pointed to in GDB by VALADDR,
332 according to letters FORMAT and SIZE on STREAM.
333 FORMAT may not be zero. Formats s and i are not supported at this level.
335 This is how the elements of an array or structure are printed
339 print_scalar_formatted (valaddr
, type
, format
, size
, stream
)
347 int len
= TYPE_LENGTH (type
);
349 if (size
== 'g' && sizeof (LONGEST
) < 8
352 /* ok, we're going to have to get fancy here. Assumption: a
353 long is four bytes. FIXME. */
354 unsigned long v1
, v2
;
356 v1
= unpack_long (builtin_type_long
, valaddr
);
357 v2
= unpack_long (builtin_type_long
, valaddr
+ 4);
359 #if TARGET_BYTE_ORDER == LITTLE_ENDIAN
360 /* Swap the two for printing */
373 fprintf_filtered (stream
, local_hex_format_custom("08x%08"), v1
, v2
);
376 error ("Output size \"g\" unimplemented for format \"%c\".",
382 val_long
= unpack_long (type
, valaddr
);
384 /* If value is unsigned, truncate it in case negative. */
387 if (len
== sizeof (char))
388 val_long
&= (1 << 8 * sizeof(char)) - 1;
389 else if (len
== sizeof (short))
390 val_long
&= (1 << 8 * sizeof(short)) - 1;
391 else if (len
== sizeof (long))
392 val_long
&= (unsigned long) - 1;
400 /* no size specified, like in print. Print varying # of digits. */
401 #if defined (LONG_LONG)
402 fprintf_filtered (stream
, local_hex_format_custom("ll"), val_long
);
403 #else /* not LONG_LONG. */
404 fprintf_filtered (stream
, local_hex_format_custom("l"), val_long
);
405 #endif /* not LONG_LONG. */
408 #if defined (LONG_LONG)
412 fprintf_filtered (stream
, local_hex_format_custom("02ll"), val_long
);
415 fprintf_filtered (stream
, local_hex_format_custom("04ll"), val_long
);
418 fprintf_filtered (stream
, local_hex_format_custom("08ll"), val_long
);
421 fprintf_filtered (stream
, local_hex_format_custom("016ll"), val_long
);
424 error ("Undefined output size \"%c\".", size
);
426 #else /* not LONG_LONG. */
430 fprintf_filtered (stream
, local_hex_format_custom("02"), val_long
);
433 fprintf_filtered (stream
, local_hex_format_custom("04"), val_long
);
436 fprintf_filtered (stream
, local_hex_format_custom("08"), val_long
);
439 fprintf_filtered (stream
, local_hex_format_custom("016"), val_long
);
442 error ("Undefined output size \"%c\".", size
);
444 #endif /* not LONG_LONG */
449 fprintf_filtered (stream
, local_decimal_format_custom("ll"), val_long
);
451 fprintf_filtered (stream
, local_decimal_format(), val_long
);
457 fprintf_filtered (stream
, "%llu", val_long
);
459 fprintf_filtered (stream
, "%u", val_long
);
466 fprintf_filtered (stream
, local_octal_format_custom("ll"), val_long
);
468 fprintf_filtered (stream
, local_octal_format(), val_long
);
471 fprintf_filtered (stream
, "0");
475 print_address (unpack_pointer (type
, valaddr
), stream
);
479 value_print (value_from_longest (builtin_type_char
, val_long
), stream
, 0,
484 if (len
== sizeof (float))
485 type
= builtin_type_float
;
486 else if (len
== sizeof (double))
487 type
= builtin_type_double
;
488 print_floating (valaddr
, type
, stream
);
495 /* Binary; 't' stands for "two". */
497 char bits
[8*(sizeof val_long
) + 1];
502 width
= 8*(sizeof val_long
);
519 error ("Undefined output size \"%c\".", size
);
525 bits
[width
] = (val_long
& 1) ? '1' : '0';
530 while (*cp
&& *cp
== '0')
535 fprintf_filtered (stream
, local_binary_format_prefix());
536 fprintf_filtered (stream
, cp
);
537 fprintf_filtered (stream
, local_binary_format_suffix());
542 error ("Undefined output format \"%c\".", format
);
546 /* Specify default address for `x' command.
547 `info lines' uses this. */
550 set_next_address (addr
)
555 /* Make address available to the user as $_. */
556 set_internalvar (lookup_internalvar ("_"),
557 value_from_longest (lookup_pointer_type (builtin_type_void
),
561 /* Optionally print address ADDR symbolically as <SYMBOL+OFFSET> on STREAM,
562 after LEADIN. Print nothing if no symbolic name is found nearby.
563 DO_DEMANGLE controls whether to print a symbol in its native "raw" form,
564 or to interpret it as a possible C++ name and convert it back to source
565 form. However note that DO_DEMANGLE can be overridden by the specific
566 settings of the demangle and asm_demangle variables. */
569 print_address_symbolic (addr
, stream
, do_demangle
, leadin
)
575 CORE_ADDR name_location
;
576 register struct minimal_symbol
*msymbol
= lookup_minimal_symbol_by_pc (addr
);
578 /* If nothing comes out, don't print anything symbolic. */
583 /* If the nearest symbol is too far away, ditto. */
585 name_location
= SYMBOL_VALUE_ADDRESS (msymbol
);
587 /* For when CORE_ADDR is larger than unsigned int, we do math in
588 CORE_ADDR. But when we detect unsigned wraparound in the
589 CORE_ADDR math, we ignore this test and print the offset,
590 because addr+max_symbolic_offset has wrapped through the end
591 of the address space back to the beginning, giving bogus comparison. */
592 if (addr
> name_location
+ max_symbolic_offset
593 && name_location
+ max_symbolic_offset
> name_location
)
596 fputs_filtered (leadin
, stream
);
597 fputs_filtered ("<", stream
);
599 fputs_filtered (SYMBOL_SOURCE_NAME (msymbol
), stream
);
601 fputs_filtered (SYMBOL_LINKAGE_NAME (msymbol
), stream
);
602 if (addr
!= name_location
)
603 fprintf_filtered (stream
, "+%d>", (int)(addr
- name_location
));
605 fputs_filtered (">", stream
);
608 /* Print address ADDR symbolically on STREAM.
609 First print it as a number. Then perhaps print
610 <SYMBOL + OFFSET> after the number. */
613 print_address (addr
, stream
)
617 #ifdef ADDR_BITS_REMOVE
618 fprintf_filtered (stream
, local_hex_format(), ADDR_BITS_REMOVE(addr
));
620 fprintf_filtered (stream
, local_hex_format(), addr
);
622 print_address_symbolic (addr
, stream
, asm_demangle
, " ");
625 /* Print address ADDR symbolically on STREAM. Parameter DEMANGLE
626 controls whether to print the symbolic name "raw" or demangled.
627 Global setting "addressprint" controls whether to print hex address
631 print_address_demangle (addr
, stream
, do_demangle
)
637 fprintf_filtered (stream
, "0");
638 } else if (addressprint
) {
639 fprintf_filtered (stream
, local_hex_format(), addr
);
640 print_address_symbolic (addr
, stream
, do_demangle
, " ");
642 print_address_symbolic (addr
, stream
, do_demangle
, "");
647 /* Examine data at address ADDR in format FMT.
648 Fetch it from memory and print on stdout. */
651 do_examine (fmt
, addr
)
652 struct format_data fmt
;
655 register char format
= 0;
657 register int count
= 1;
658 struct type
*val_type
;
660 register int maxelts
;
667 /* String or instruction format implies fetch single bytes
668 regardless of the specified size. */
669 if (format
== 's' || format
== 'i')
673 val_type
= builtin_type_char
;
674 else if (size
== 'h')
675 val_type
= builtin_type_short
;
676 else if (size
== 'w')
677 val_type
= builtin_type_long
;
678 else if (size
== 'g')
680 val_type
= builtin_type_double
;
682 val_type
= builtin_type_long_long
;
690 if (format
== 's' || format
== 'i')
693 /* Print as many objects as specified in COUNT, at most maxelts per line,
694 with the address of the next one at the start of each line. */
698 print_address (next_address
, stdout
);
699 printf_filtered (":");
704 printf_filtered ("\t");
705 /* Note that print_formatted sets next_address for the next
707 last_examine_address
= next_address
;
708 last_examine_value
= value_at (val_type
, next_address
);
709 print_formatted (last_examine_value
, format
, size
);
711 printf_filtered ("\n");
717 validate_format (fmt
, cmdname
)
718 struct format_data fmt
;
722 error ("Size letters are meaningless in \"%s\" command.", cmdname
);
724 error ("Item count other than 1 is meaningless in \"%s\" command.",
726 if (fmt
.format
== 'i' || fmt
.format
== 's')
727 error ("Format letter \"%c\" is meaningless in \"%s\" command.",
728 fmt
.format
, cmdname
);
731 /* Evaluate string EXP as an expression in the current language and
732 print the resulting value. EXP may contain a format specifier as the
733 first argument ("/x myvar" for example, to print myvar in hex).
737 print_command_1 (exp
, inspect
, voidprint
)
742 struct expression
*expr
;
743 register struct cleanup
*old_chain
= 0;
744 register char format
= 0;
746 struct format_data fmt
;
749 /* Pass inspect flag to the rest of the print routines in a global (sigh). */
750 inspect_it
= inspect
;
752 if (exp
&& *exp
== '/')
755 fmt
= decode_format (&exp
, last_format
, 0);
756 validate_format (fmt
, "print");
757 last_format
= format
= fmt
.format
;
768 extern int objectprint
;
770 expr
= parse_expression (exp
);
771 old_chain
= make_cleanup (free_current_contents
, &expr
);
773 val
= evaluate_expression (expr
);
775 /* C++: figure out what type we actually want to print it as. */
776 type
= VALUE_TYPE (val
);
779 && ( TYPE_CODE (type
) == TYPE_CODE_PTR
780 || TYPE_CODE (type
) == TYPE_CODE_REF
)
781 && ( TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_STRUCT
782 || TYPE_CODE (TYPE_TARGET_TYPE (type
)) == TYPE_CODE_UNION
))
786 v
= value_from_vtable_info (val
, TYPE_TARGET_TYPE (type
));
790 type
= VALUE_TYPE (val
);
795 val
= access_value_history (0);
797 if (voidprint
|| (val
&& VALUE_TYPE (val
) &&
798 TYPE_CODE (VALUE_TYPE (val
)) != TYPE_CODE_VOID
))
800 int histindex
= record_latest_value (val
);
803 printf ("\031(gdb-makebuffer \"%s\" %d '(\"", exp
, histindex
);
805 if (histindex
>= 0) printf_filtered ("$%d = ", histindex
);
807 print_formatted (val
, format
, fmt
.size
);
808 printf_filtered ("\n");
814 do_cleanups (old_chain
);
815 inspect_it
= 0; /* Reset print routines to normal */
820 print_command (exp
, from_tty
)
824 print_command_1 (exp
, 0, 1);
827 /* Same as print, except in epoch, it gets its own window */
830 inspect_command (exp
, from_tty
)
834 extern int epoch_interface
;
836 print_command_1 (exp
, epoch_interface
, 1);
839 /* Same as print, except it doesn't print void results. */
842 call_command (exp
, from_tty
)
846 print_command_1 (exp
, 0, 0);
851 output_command (exp
, from_tty
)
855 struct expression
*expr
;
856 register struct cleanup
*old_chain
;
857 register char format
= 0;
859 struct format_data fmt
;
861 if (exp
&& *exp
== '/')
864 fmt
= decode_format (&exp
, 0, 0);
865 validate_format (fmt
, "output");
869 expr
= parse_expression (exp
);
870 old_chain
= make_cleanup (free_current_contents
, &expr
);
872 val
= evaluate_expression (expr
);
874 print_formatted (val
, format
, fmt
.size
);
876 do_cleanups (old_chain
);
881 set_command (exp
, from_tty
)
885 struct expression
*expr
= parse_expression (exp
);
886 register struct cleanup
*old_chain
887 = make_cleanup (free_current_contents
, &expr
);
888 evaluate_expression (expr
);
889 do_cleanups (old_chain
);
894 address_info (exp
, from_tty
)
898 register struct symbol
*sym
;
899 register struct minimal_symbol
*msymbol
;
901 register long basereg
;
902 int is_a_field_of_this
; /* C++: lookup_symbol sets this to nonzero
903 if exp is a field of `this'. */
906 error ("Argument required.");
908 sym
= lookup_symbol (exp
, get_selected_block (), VAR_NAMESPACE
,
909 &is_a_field_of_this
, (struct symtab
**)NULL
);
912 if (is_a_field_of_this
)
914 printf ("Symbol \"%s\" is a field of the local class variable `this'\n", exp
);
918 msymbol
= lookup_minimal_symbol (exp
, (struct objfile
*) NULL
);
921 printf ("Symbol \"%s\" is at %s in a file compiled without debugging.\n",
922 exp
, local_hex_string(SYMBOL_VALUE_ADDRESS (msymbol
)));
924 error ("No symbol \"%s\" in current context.", exp
);
928 printf ("Symbol \"%s\" is ", SYMBOL_NAME (sym
));
929 val
= SYMBOL_VALUE (sym
);
930 basereg
= SYMBOL_BASEREG (sym
);
932 switch (SYMBOL_CLASS (sym
))
935 case LOC_CONST_BYTES
:
940 printf ("a label at address %s", local_hex_string(SYMBOL_VALUE_ADDRESS (sym
)));
944 printf ("a variable in register %s", reg_names
[val
]);
948 printf ("static storage at address %s", local_hex_string(SYMBOL_VALUE_ADDRESS (sym
)));
952 printf ("an argument in register %s", reg_names
[val
]);
956 if (SYMBOL_BASEREG_VALID (sym
))
958 printf ("an argument at offset %ld from register %s",
959 val
, reg_names
[basereg
]);
963 printf ("an argument at offset %ld", val
);
968 if (SYMBOL_BASEREG_VALID (sym
))
970 printf ("an argument at offset %ld from register %s",
971 val
, reg_names
[basereg
]);
975 printf ("an argument at frame offset %ld", val
);
980 if (SYMBOL_BASEREG_VALID (sym
))
982 printf ("a local variable at offset %ld from register %s",
983 val
, reg_names
[basereg
]);
987 printf ("a local variable at frame offset %ld", val
);
992 printf ("a reference argument at offset %ld", val
);
996 printf ("a typedef");
1000 printf ("a function at address %s",
1001 local_hex_string(BLOCK_START (SYMBOL_BLOCK_VALUE (sym
))));
1004 case LOC_OPTIMIZED_OUT
:
1005 printf_filtered ("optimized out");
1009 printf ("of unknown (botched) type");
1016 x_command (exp
, from_tty
)
1020 struct expression
*expr
;
1021 struct format_data fmt
;
1022 struct cleanup
*old_chain
;
1025 fmt
.format
= last_format
;
1026 fmt
.size
= last_size
;
1029 if (exp
&& *exp
== '/')
1032 fmt
= decode_format (&exp
, last_format
, last_size
);
1035 /* If we have an expression, evaluate it and use it as the address. */
1037 if (exp
!= 0 && *exp
!= 0)
1039 expr
= parse_expression (exp
);
1040 /* Cause expression not to be there any more
1041 if this command is repeated with Newline.
1042 But don't clobber a user-defined command's definition. */
1045 old_chain
= make_cleanup (free_current_contents
, &expr
);
1046 val
= evaluate_expression (expr
);
1047 if (TYPE_CODE (VALUE_TYPE (val
)) == TYPE_CODE_REF
)
1048 val
= value_ind (val
);
1049 /* In rvalue contexts, such as this, functions are coerced into
1050 pointers to functions. This makes "x/i main" work. */
1051 if (/* last_format == 'i'
1052 && */ TYPE_CODE (VALUE_TYPE (val
)) == TYPE_CODE_FUNC
1053 && VALUE_LVAL (val
) == lval_memory
)
1054 next_address
= VALUE_ADDRESS (val
);
1056 next_address
= value_as_pointer (val
);
1057 do_cleanups (old_chain
);
1060 do_examine (fmt
, next_address
);
1062 /* If the examine succeeds, we remember its size and format for next time. */
1063 last_size
= fmt
.size
;
1064 last_format
= fmt
.format
;
1066 /* Set a couple of internal variables if appropriate. */
1067 if (last_examine_value
)
1069 /* Make last address examined available to the user as $_. Use
1070 the correct pointer type. */
1071 set_internalvar (lookup_internalvar ("_"),
1072 value_from_longest (
1073 lookup_pointer_type (VALUE_TYPE (last_examine_value
)),
1074 (LONGEST
) last_examine_address
));
1076 /* Make contents of last address examined available to the user as $__.*/
1077 set_internalvar (lookup_internalvar ("__"), last_examine_value
);
1082 /* Add an expression to the auto-display chain.
1083 Specify the expression. */
1086 display_command (exp
, from_tty
)
1090 struct format_data fmt
;
1091 register struct expression
*expr
;
1092 register struct display
*new;
1103 fmt
= decode_format (&exp
, 0, 0);
1104 if (fmt
.size
&& fmt
.format
== 0)
1106 if (fmt
.format
== 'i' || fmt
.format
== 's')
1116 innermost_block
= 0;
1117 expr
= parse_expression (exp
);
1119 new = (struct display
*) xmalloc (sizeof (struct display
));
1122 new->block
= innermost_block
;
1123 new->next
= display_chain
;
1124 new->number
= ++display_number
;
1126 new->status
= enabled
;
1127 display_chain
= new;
1129 if (from_tty
&& target_has_execution
)
1130 do_one_display (new);
1143 /* Clear out the display_chain.
1144 Done when new symtabs are loaded, since this invalidates
1145 the types stored in many expressions. */
1150 register struct display
*d
;
1152 while ((d
= display_chain
) != NULL
)
1155 display_chain
= d
->next
;
1160 /* Delete the auto-display number NUM. */
1163 delete_display (num
)
1166 register struct display
*d1
, *d
;
1169 error ("No display number %d.", num
);
1171 if (display_chain
->number
== num
)
1174 display_chain
= d1
->next
;
1178 for (d
= display_chain
; ; d
= d
->next
)
1181 error ("No display number %d.", num
);
1182 if (d
->next
->number
== num
)
1192 /* Delete some values from the auto-display chain.
1193 Specify the element numbers. */
1196 undisplay_command (args
, from_tty
)
1200 register char *p
= args
;
1206 if (query ("Delete all auto-display expressions? "))
1215 while (*p1
>= '0' && *p1
<= '9') p1
++;
1216 if (*p1
&& *p1
!= ' ' && *p1
!= '\t')
1217 error ("Arguments must be display numbers.");
1221 delete_display (num
);
1224 while (*p
== ' ' || *p
== '\t') p
++;
1229 /* Display a single auto-display.
1230 Do nothing if the display cannot be printed in the current context,
1231 or if the display is disabled. */
1237 int within_current_scope
;
1239 if (d
->status
== disabled
)
1243 within_current_scope
= contained_in (get_selected_block (), d
->block
);
1245 within_current_scope
= 1;
1246 if (!within_current_scope
)
1249 current_display_number
= d
->number
;
1251 printf_filtered ("%d: ", d
->number
);
1256 printf_filtered ("x/");
1257 if (d
->format
.count
!= 1)
1258 printf_filtered ("%d", d
->format
.count
);
1259 printf_filtered ("%c", d
->format
.format
);
1260 if (d
->format
.format
!= 'i' && d
->format
.format
!= 's')
1261 printf_filtered ("%c", d
->format
.size
);
1262 printf_filtered (" ");
1263 print_expression (d
->exp
, stdout
);
1264 if (d
->format
.count
!= 1)
1265 printf_filtered ("\n");
1267 printf_filtered (" ");
1269 addr
= value_as_pointer (evaluate_expression (d
->exp
));
1270 if (d
->format
.format
== 'i')
1271 addr
= ADDR_BITS_REMOVE (addr
);
1273 do_examine (d
->format
, addr
);
1277 if (d
->format
.format
)
1278 printf_filtered ("/%c ", d
->format
.format
);
1279 print_expression (d
->exp
, stdout
);
1280 printf_filtered (" = ");
1281 print_formatted (evaluate_expression (d
->exp
),
1282 d
->format
.format
, d
->format
.size
);
1283 printf_filtered ("\n");
1287 current_display_number
= -1;
1290 /* Display all of the values on the auto-display chain which can be
1291 evaluated in the current scope. */
1296 register struct display
*d
;
1298 for (d
= display_chain
; d
; d
= d
->next
)
1302 /* Delete the auto-display which we were in the process of displaying.
1303 This is done when there is an error or a signal. */
1306 disable_display (num
)
1309 register struct display
*d
;
1311 for (d
= display_chain
; d
; d
= d
->next
)
1312 if (d
->number
== num
)
1314 d
->status
= disabled
;
1317 printf ("No display number %d.\n", num
);
1321 disable_current_display ()
1323 if (current_display_number
>= 0)
1325 disable_display (current_display_number
);
1326 fprintf (stderr
, "Disabling display %d to avoid infinite recursion.\n",
1327 current_display_number
);
1329 current_display_number
= -1;
1333 display_info (ignore
, from_tty
)
1337 register struct display
*d
;
1340 printf ("There are no auto-display expressions now.\n");
1342 printf_filtered ("Auto-display expressions now in effect:\n\
1343 Num Enb Expression\n");
1345 for (d
= display_chain
; d
; d
= d
->next
)
1347 printf_filtered ("%d: %c ", d
->number
, "ny"[(int)d
->status
]);
1349 printf_filtered ("/%d%c%c ", d
->format
.count
, d
->format
.size
,
1351 else if (d
->format
.format
)
1352 printf_filtered ("/%c ", d
->format
.format
);
1353 print_expression (d
->exp
, stdout
);
1354 if (d
->block
&& !contained_in (get_selected_block (), d
->block
))
1355 printf_filtered (" (cannot be evaluated in the current context)");
1356 printf_filtered ("\n");
1362 enable_display (args
, from_tty
)
1366 register char *p
= args
;
1369 register struct display
*d
;
1373 for (d
= display_chain
; d
; d
= d
->next
)
1374 d
->status
= enabled
;
1380 while (*p1
>= '0' && *p1
<= '9')
1382 if (*p1
&& *p1
!= ' ' && *p1
!= '\t')
1383 error ("Arguments must be display numbers.");
1387 for (d
= display_chain
; d
; d
= d
->next
)
1388 if (d
->number
== num
)
1390 d
->status
= enabled
;
1393 printf ("No display number %d.\n", num
);
1396 while (*p
== ' ' || *p
== '\t')
1403 disable_display_command (args
, from_tty
)
1407 register char *p
= args
;
1409 register struct display
*d
;
1413 for (d
= display_chain
; d
; d
= d
->next
)
1414 d
->status
= disabled
;
1420 while (*p1
>= '0' && *p1
<= '9')
1422 if (*p1
&& *p1
!= ' ' && *p1
!= '\t')
1423 error ("Arguments must be display numbers.");
1425 disable_display (atoi (p
));
1428 while (*p
== ' ' || *p
== '\t')
1434 /* Print the value in stack frame FRAME of a variable
1435 specified by a struct symbol. */
1438 print_variable_value (var
, frame
, stream
)
1443 value val
= read_var_value (var
, frame
);
1444 value_print (val
, stream
, 0, Val_pretty_default
);
1447 /* Print the arguments of a stack frame, given the function FUNC
1448 running in that frame (as a symbol), the info on the frame,
1449 and the number of args according to the stack frame (or -1 if unknown). */
1451 /* References here and elsewhere to "number of args according to the
1452 stack frame" appear in all cases to refer to "number of ints of args
1453 according to the stack frame". At least for VAX, i386, isi. */
1456 print_frame_args (func
, fi
, num
, stream
)
1457 struct symbol
*func
;
1458 struct frame_info
*fi
;
1466 register struct symbol
*sym
;
1468 /* Offset of next stack argument beyond the one we have seen that is
1469 at the highest offset.
1470 -1 if we haven't come to a stack argument yet. */
1471 long highest_offset
= -1;
1473 /* Number of ints of arguments that we have printed so far. */
1474 int args_printed
= 0;
1478 b
= SYMBOL_BLOCK_VALUE (func
);
1479 nsyms
= BLOCK_NSYMS (b
);
1482 for (i
= 0; i
< nsyms
; i
++)
1485 sym
= BLOCK_SYM (b
, i
);
1487 /* Keep track of the highest stack argument offset seen, and
1488 skip over any kinds of symbols we don't care about. */
1490 switch (SYMBOL_CLASS (sym
)) {
1494 long current_offset
= SYMBOL_VALUE (sym
);
1496 arg_size
= TYPE_LENGTH (SYMBOL_TYPE (sym
));
1498 /* Compute address of next argument by adding the size of
1499 this argument and rounding to an int boundary. */
1501 = ((current_offset
+ arg_size
+ sizeof (int) - 1)
1502 & ~(sizeof (int) - 1));
1504 /* If this is the highest offset seen yet, set highest_offset. */
1505 if (highest_offset
== -1
1506 || (current_offset
> highest_offset
))
1507 highest_offset
= current_offset
;
1509 /* Add the number of ints we're about to print to args_printed. */
1510 args_printed
+= (arg_size
+ sizeof (int) - 1) / sizeof (int);
1513 /* We care about types of symbols, but don't need to keep track of
1514 stack offsets in them. */
1519 /* Other types of symbols we just skip over. */
1524 /* We have to look up the symbol because arguments can have
1525 two entries (one a parameter, one a local) and the one we
1526 want is the local, which lookup_symbol will find for us.
1527 This includes gcc1 (not gcc2) on the sparc when passing a
1528 small structure and gcc2 when the argument type is float
1529 and it is passed as a double and converted to float by
1530 the prologue (in the latter case the type of the LOC_ARG
1531 symbol is double and the type of the LOC_LOCAL symbol is
1532 float). It's possible this should be dealt with in
1533 symbol reading the way it now is for LOC_REGPARM. */
1534 /* But if the parameter name is null, don't try it.
1535 Null parameter names occur on the RS/6000, for traceback tables.
1536 FIXME, should we even print them? */
1538 if (*SYMBOL_NAME (sym
))
1541 b
, VAR_NAMESPACE
, (int *)NULL
, (struct symtab
**)NULL
);
1543 /* Print the current arg. */
1545 fprintf_filtered (stream
, ", ");
1547 fprintf_symbol_filtered (stream
, SYMBOL_SOURCE_NAME (sym
),
1548 SYMBOL_LANGUAGE (sym
), DMGL_PARAMS
| DMGL_ANSI
);
1549 fputs_filtered ("=", stream
);
1551 /* Avoid value_print because it will deref ref parameters. We just
1552 want to print their addresses. Print ??? for args whose address
1553 we do not know. We pass 2 as "recurse" to val_print because our
1554 standard indentation here is 4 spaces, and val_print indents
1555 2 for each recurse. */
1556 val
= read_var_value (sym
, FRAME_INFO_ID (fi
));
1558 val_print (VALUE_TYPE (val
), VALUE_CONTENTS (val
), VALUE_ADDRESS (val
),
1559 stream
, 0, 0, 2, Val_no_prettyprint
);
1561 fputs_filtered ("???", stream
);
1565 /* Don't print nameless args in situations where we don't know
1566 enough about the stack to find them. */
1571 if (highest_offset
== -1)
1572 start
= FRAME_ARGS_SKIP
;
1574 start
= highest_offset
;
1576 print_frame_nameless_args (fi
, start
, num
- args_printed
,
1581 /* Print nameless args on STREAM.
1582 FI is the frameinfo for this frame, START is the offset
1583 of the first nameless arg, and NUM is the number of nameless args to
1584 print. FIRST is nonzero if this is the first argument (not just
1585 the first nameless arg). */
1587 print_frame_nameless_args (fi
, start
, num
, first
, stream
)
1588 struct frame_info
*fi
;
1598 for (i
= 0; i
< num
; i
++)
1601 #ifdef NAMELESS_ARG_VALUE
1602 NAMELESS_ARG_VALUE (fi
, start
, &arg_value
);
1604 argsaddr
= FRAME_ARGS_ADDRESS (fi
);
1608 arg_value
= read_memory_integer (argsaddr
+ start
, sizeof (int));
1612 fprintf_filtered (stream
, ", ");
1614 #ifdef PRINT_NAMELESS_INTEGER
1615 PRINT_NAMELESS_INTEGER (stream
, arg_value
);
1617 #ifdef PRINT_TYPELESS_INTEGER
1618 PRINT_TYPELESS_INTEGER (stream
, builtin_type_int
, (LONGEST
) arg_value
);
1620 fprintf_filtered (stream
, "%d", arg_value
);
1621 #endif /* PRINT_TYPELESS_INTEGER */
1622 #endif /* PRINT_NAMELESS_INTEGER */
1624 start
+= sizeof (int);
1630 printf_command (arg
, from_tty
)
1635 register char *s
= arg
;
1639 int allocated_args
= 20;
1642 val_args
= (value
*) xmalloc (allocated_args
* sizeof (value
));
1645 error_no_arg ("format-control string and values to print");
1647 /* Skip white space before format string */
1648 while (*s
== ' ' || *s
== '\t') s
++;
1650 /* A format string should follow, enveloped in double quotes */
1652 error ("Bad format string, missing '\"'.");
1654 /* Parse the format-control string and copy it into the string STRING,
1655 processing some kinds of escape sequence. */
1657 f
= string
= (char *) alloca (strlen (s
) + 1);
1664 error ("Bad format string, non-terminated '\"'.");
1665 /* doesn't return */
1686 /* ??? TODO: handle other escape sequences */
1687 error ("Unrecognized \\ escape character in format string.");
1696 /* Skip over " and following space and comma. */
1699 while (*s
== ' ' || *s
== '\t') s
++;
1701 if (*s
!= ',' && *s
!= 0)
1702 error ("Invalid argument syntax");
1705 while (*s
== ' ' || *s
== '\t') s
++;
1708 /* Now scan the string for %-specs and see what kinds of args they want.
1709 argclass[I] classifies the %-specs so we can give vprintf something
1710 of the right size. */
1712 enum argclass
{int_arg
, string_arg
, double_arg
, long_long_arg
};
1713 enum argclass
*argclass
;
1719 argclass
= (enum argclass
*) alloca (strlen (s
) * sizeof *argclass
);
1726 while (strchr ("0123456789.hlL-+ #", *f
))
1728 if (*f
== 'l' || *f
== 'L')
1733 argclass
[nargs_wanted
++] = string_arg
;
1734 else if (*f
== 'e' || *f
== 'f' || *f
== 'g')
1735 argclass
[nargs_wanted
++] = double_arg
;
1736 else if (lcount
> 1)
1737 argclass
[nargs_wanted
++] = long_long_arg
;
1739 argclass
[nargs_wanted
++] = int_arg
;
1743 /* Now, parse all arguments and evaluate them.
1744 Store the VALUEs in VAL_ARGS. */
1749 if (nargs
== allocated_args
)
1750 val_args
= (value
*) xrealloc ((char *) val_args
,
1751 (allocated_args
*= 2)
1754 val_args
[nargs
] = parse_to_comma_and_eval (&s1
);
1756 /* If format string wants a float, unchecked-convert the value to
1757 floating point of the same size */
1759 if (argclass
[nargs
] == double_arg
)
1761 if (TYPE_LENGTH (VALUE_TYPE (val_args
[nargs
])) == sizeof (float))
1762 VALUE_TYPE (val_args
[nargs
]) = builtin_type_float
;
1763 if (TYPE_LENGTH (VALUE_TYPE (val_args
[nargs
])) == sizeof (double))
1764 VALUE_TYPE (val_args
[nargs
]) = builtin_type_double
;
1772 if (nargs
!= nargs_wanted
)
1773 error ("Wrong number of arguments for specified format-string");
1775 /* Now lay out an argument-list containing the arguments
1776 as doubles, integers and C pointers. */
1778 arg_bytes
= (char *) alloca (sizeof (double) * nargs
);
1780 for (i
= 0; i
< nargs
; i
++)
1782 if (argclass
[i
] == string_arg
)
1787 tem
= value_as_pointer (val_args
[i
]);
1789 /* This is a %s argument. Find the length of the string. */
1794 read_memory (tem
+ j
, &c
, 1);
1799 /* Copy the string contents into a string inside GDB. */
1800 str
= (char *) alloca (j
+ 1);
1801 read_memory (tem
, str
, j
);
1804 /* Pass address of internal copy as the arg to vprintf. */
1805 *((int *) &arg_bytes
[argindex
]) = (int) str
;
1806 argindex
+= sizeof (int);
1808 else if (VALUE_TYPE (val_args
[i
])->code
== TYPE_CODE_FLT
)
1810 *((double *) &arg_bytes
[argindex
]) = value_as_double (val_args
[i
]);
1811 argindex
+= sizeof (double);
1815 if (argclass
[i
] == long_long_arg
)
1817 *(long long *) &arg_bytes
[argindex
] = value_as_long (val_args
[i
]);
1818 argindex
+= sizeof (long long);
1823 *((long *) &arg_bytes
[argindex
]) = value_as_long (val_args
[i
]);
1824 argindex
+= sizeof (long);
1829 /* There is not a standard way to make a va_list, so we need
1830 to do various things for different systems. */
1831 #if defined (__INT_VARARGS_H)
1836 list
.__va_stk
= (int *) arg_bytes
;
1837 list
.__va_reg
= (int *) arg_bytes
;
1838 vprintf (string
, list
);
1840 #else /* No __INT_VARARGS_H. */
1841 vprintf (string
, arg_bytes
);
1842 #endif /* No __INT_VARARGS_H. */
1845 /* Helper function for asdump_command. Finds the bounds of a function
1846 for a specified section of text. PC is an address within the
1847 function which you want bounds for; *LOW and *HIGH are set to the
1848 beginning (inclusive) and end (exclusive) of the function. This
1849 function returns 1 on success and 0 on failure. */
1852 containing_function_bounds (pc
, low
, high
)
1853 CORE_ADDR pc
, *low
, *high
;
1857 struct obj_section
*sec
;
1859 if (!find_pc_partial_function (pc
, 0, low
))
1862 sec
= find_pc_section (pc
);
1865 limit
= sec
->endaddr
;
1868 while (scan
< limit
)
1871 if (!find_pc_partial_function (scan
, 0, high
))
1880 /* Dump a specified section of assembly code. With no command line
1881 arguments, this command will dump the assembly code for the
1882 function surrounding the pc value in the selected frame. With one
1883 argument, it will dump the assembly code surrounding that pc value.
1884 Two arguments are interpeted as bounds within which to dump
1889 disassemble_command (arg
, from_tty
)
1893 CORE_ADDR low
, high
;
1899 if (!selected_frame
)
1900 error ("No frame selected.\n");
1902 pc
= get_frame_pc (selected_frame
);
1903 if (!containing_function_bounds (pc
, &low
, &high
))
1904 error ("No function contains pc specified by selected frame.\n");
1906 else if (!(space_index
= (char *) strchr (arg
, ' ')))
1909 pc
= parse_and_eval_address (arg
);
1910 if (!containing_function_bounds (pc
, &low
, &high
))
1911 error ("No function contains specified pc.\n");
1915 /* Two arguments. */
1916 *space_index
= '\0';
1917 low
= parse_and_eval_address (arg
);
1918 high
= parse_and_eval_address (space_index
+ 1);
1921 printf_filtered ("Dump of assembler code ");
1925 find_pc_partial_function (pc
, &name
, 0);
1926 printf_filtered ("for function %s:\n", name
);
1930 printf_filtered ("from %s ", local_hex_string(low
));
1931 printf_filtered ("to %s:\n", local_hex_string(high
));
1934 /* Dump the specified range. */
1935 for (pc
= low
; pc
< high
; )
1938 print_address (pc
, stdout
);
1939 printf_filtered (":\t");
1940 pc
+= print_insn (pc
, stdout
);
1941 printf_filtered ("\n");
1943 printf_filtered ("End of assembler dump.\n");
1949 _initialize_printcmd ()
1951 current_display_number
= -1;
1953 add_info ("address", address_info
,
1954 "Describe where variable VAR is stored.");
1956 add_com ("x", class_vars
, x_command
,
1957 "Examine memory: x/FMT ADDRESS.\n\
1958 ADDRESS is an expression for the memory address to examine.\n\
1959 FMT is a repeat count followed by a format letter and a size letter.\n\
1960 Format letters are o(octal), x(hex), d(decimal), u(unsigned decimal),\n\
1961 t(binary), f(float), a(address), i(instruction), c(char) and s(string).\n\
1962 Size letters are b(byte), h(halfword), w(word), g(giant, 8 bytes).\n\
1963 The specified number of objects of the specified size are printed\n\
1964 according to the format.\n\n\
1965 Defaults for format and size letters are those previously used.\n\
1966 Default count is 1. Default address is following last thing printed\n\
1967 with this command or \"print\".");
1969 add_com ("disassemble", class_vars
, disassemble_command
,
1970 "Disassemble a specified section of memory.\n\
1971 Default is the function surrounding the pc of the selected frame.\n\
1972 With a single argument, the function surrounding that address is dumped.\n\
1973 Two arguments are taken as a range of memory to dump.");
1976 add_com ("whereis", class_vars
, whereis_command
,
1977 "Print line number and file of definition of variable.");
1980 add_info ("display", display_info
,
1981 "Expressions to display when program stops, with code numbers.");
1983 add_cmd ("undisplay", class_vars
, undisplay_command
,
1984 "Cancel some expressions to be displayed when program stops.\n\
1985 Arguments are the code numbers of the expressions to stop displaying.\n\
1986 No argument means cancel all automatic-display expressions.\n\
1987 \"delete display\" has the same effect as this command.\n\
1988 Do \"info display\" to see current list of code numbers.",
1991 add_com ("display", class_vars
, display_command
,
1992 "Print value of expression EXP each time the program stops.\n\
1993 /FMT may be used before EXP as in the \"print\" command.\n\
1994 /FMT \"i\" or \"s\" or including a size-letter is allowed,\n\
1995 as in the \"x\" command, and then EXP is used to get the address to examine\n\
1996 and examining is done as in the \"x\" command.\n\n\
1997 With no argument, display all currently requested auto-display expressions.\n\
1998 Use \"undisplay\" to cancel display requests previously made.");
2000 add_cmd ("display", class_vars
, enable_display
,
2001 "Enable some expressions to be displayed when program stops.\n\
2002 Arguments are the code numbers of the expressions to resume displaying.\n\
2003 No argument means enable all automatic-display expressions.\n\
2004 Do \"info display\" to see current list of code numbers.", &enablelist
);
2006 add_cmd ("display", class_vars
, disable_display_command
,
2007 "Disable some expressions to be displayed when program stops.\n\
2008 Arguments are the code numbers of the expressions to stop displaying.\n\
2009 No argument means disable all automatic-display expressions.\n\
2010 Do \"info display\" to see current list of code numbers.", &disablelist
);
2012 add_cmd ("display", class_vars
, undisplay_command
,
2013 "Cancel some expressions to be displayed when program stops.\n\
2014 Arguments are the code numbers of the expressions to stop displaying.\n\
2015 No argument means cancel all automatic-display expressions.\n\
2016 Do \"info display\" to see current list of code numbers.", &deletelist
);
2018 add_com ("printf", class_vars
, printf_command
,
2019 "printf \"printf format string\", arg1, arg2, arg3, ..., argn\n\
2020 This is useful for formatted output in user-defined commands.");
2021 add_com ("output", class_vars
, output_command
,
2022 "Like \"print\" but don't put in value history and don't print newline.\n\
2023 This is useful in user-defined commands.");
2025 add_prefix_cmd ("set", class_vars
, set_command
,
2026 "Evaluate expression EXP and assign result to variable VAR, using assignment\n\
2027 syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
2028 example). VAR may be a debugger \"convenience\" variable (names starting\n\
2029 with $), a register (a few standard names starting with $), or an actual\n\
2030 variable in the program being debugged. EXP is any valid expression.\n\
2031 Use \"set variable\" for variables with names identical to set subcommands.\n\
2032 \nWith a subcommand, this command modifies parts of the gdb environment.\n\
2033 You can see these environment settings with the \"show\" command.",
2034 &setlist
, "set ", 1, &cmdlist
);
2036 /* "call" is the same as "set", but handy for dbx users to call fns. */
2037 add_com ("call", class_vars
, call_command
,
2038 "Call a function in the inferior process.\n\
2039 The argument is the function name and arguments, in the notation of the\n\
2040 current working language. The result is printed and saved in the value\n\
2041 history, if it is not void.");
2043 add_cmd ("variable", class_vars
, set_command
,
2044 "Evaluate expression EXP and assign result to variable VAR, using assignment\n\
2045 syntax appropriate for the current language (VAR = EXP or VAR := EXP for\n\
2046 example). VAR may be a debugger \"convenience\" variable (names starting\n\
2047 with $), a register (a few standard names starting with $), or an actual\n\
2048 variable in the program being debugged. EXP is any valid expression.\n\
2049 This may usually be abbreviated to simply \"set\".",
2052 add_com ("print", class_vars
, print_command
,
2053 concat ("Print value of expression EXP.\n\
2054 Variables accessible are those of the lexical environment of the selected\n\
2055 stack frame, plus all those whose scope is global or an entire file.\n\
2057 $NUM gets previous value number NUM. $ and $$ are the last two values.\n\
2058 $$NUM refers to NUM'th value back from the last one.\n\
2059 Names starting with $ refer to registers (with the values they would have\n\
2060 if the program were to return to the stack frame now selected, restoring\n\
2061 all registers saved by frames farther in) or else to debugger\n\
2062 \"convenience\" variables (any such name not a known register).\n\
2063 Use assignment expressions to give values to convenience variables.\n",
2065 {TYPE}ADREXP refers to a datum of data type TYPE, located at address ADREXP.\n\
2066 @ is a binary operator for treating consecutive data objects\n\
2067 anywhere in memory as an array. FOO@NUM gives an array whose first\n\
2068 element is FOO, whose second element is stored in the space following\n\
2069 where FOO is stored, etc. FOO must be an expression whose value\n\
2070 resides in memory.\n",
2072 EXP may be preceded with /FMT, where FMT is a format letter\n\
2073 but no count or size letter (see \"x\" command).", NULL
));
2074 add_com_alias ("p", "print", class_vars
, 1);
2076 add_com ("inspect", class_vars
, inspect_command
,
2077 "Same as \"print\" command, except that if you are running in the epoch\n\
2078 environment, the value is printed in its own window.");
2081 add_set_cmd ("max-symbolic-offset", no_class
, var_uinteger
,
2082 (char *)&max_symbolic_offset
,
2083 "Set the largest offset that will be printed in <symbol+1234> form.",