-/* Print values for GNU debugger gdb.
- Copyright (C) 1986, 1988 Free Software Foundation, Inc.
-
-GDB is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY. No author or distributor accepts responsibility to anyone
-for the consequences of using it or for whether it serves any
-particular purpose or works at all, unless he says so in writing.
-Refer to the GDB General Public License for full details.
-
-Everyone is granted permission to copy, modify and redistribute GDB,
-but only under the conditions described in the GDB General Public
-License. A copy of this license is supposed to have been given to you
-along with GDB so you can know your rights and responsibilities. It
-should be in a file named COPYING. Among other things, the copyright
-notice and this notice must be preserved on all copies.
-
-In other words, go ahead and share GDB, but don't try to stop
-anyone else from sharing it farther. Help stamp out software hoarding!
-*/
-
-#include <stdio.h>
+/* Print values for GDB, the GNU debugger.
+ Copyright 1986, 1988, 1989, 1991 Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
#include "defs.h"
-#include "initialize.h"
-#include "param.h"
+#include <string.h>
#include "symtab.h"
+#include "gdbtypes.h"
#include "value.h"
+#include "gdbcore.h"
+#include "gdbcmd.h"
+#include "target.h"
+#include "obstack.h"
+#include "language.h"
+#include "demangle.h"
+
+#include <errno.h>
+
+/* Prototypes for local functions */
+
+static void
+print_hex_chars PARAMS ((FILE *, unsigned char *, unsigned int));
+
+static void
+show_print PARAMS ((char *, int));
+
+static void
+set_print PARAMS ((char *, int));
+
+static void
+set_radix PARAMS ((char *, int, struct cmd_list_element *));
+
+static void
+set_output_radix PARAMS ((char *, int, struct cmd_list_element *));
+
+static void
+value_print_array_elements PARAMS ((value, FILE *, int, enum val_prettyprint));
/* Maximum number of chars to print for a string pointer value
- or vector contents. */
+ or vector contents, or UINT_MAX for no limit. */
+
+unsigned int print_max;
+
+/* Default input and output radixes, and output format letter. */
+
+unsigned input_radix = 10;
+unsigned output_radix = 10;
+int output_format = 0;
+
+/* Print repeat counts if there are more than this many repetitions of an
+ element in an array. Referenced by the low level language dependent
+ print routines. */
+
+unsigned int repeat_count_threshold = 10;
-static int print_max;
+int prettyprint_structs; /* Controls pretty printing of structures */
+int prettyprint_arrays; /* Controls pretty printing of arrays. */
-static void type_print_varspec_suffix ();
-static void type_print_varspec_prefix ();
-static void type_print_base ();
+/* If nonzero, causes unions inside structures or other unions to be
+ printed. */
-START_FILE
+int unionprint; /* Controls printing of nested unions. */
+
+/* If nonzero, causes machine addresses to be printed in certain contexts. */
+
+int addressprint; /* Controls printing of machine addresses */
-char **unsigned_type_table;
-char **signed_type_table;
-char **float_type_table;
\f
+/* Print data of type TYPE located at VALADDR (within GDB),
+ which came from the inferior at address ADDRESS,
+ onto stdio stream STREAM according to FORMAT
+ (a letter or 0 for natural format). The data at VALADDR
+ is in target byte order.
+
+ If the data are a string pointer, returns the number of
+ sting characters printed.
+
+ if DEREF_REF is nonzero, then dereference references,
+ otherwise just print them like pointers.
+
+ The PRETTY parameter controls prettyprinting. */
+
+int
+val_print (type, valaddr, address, stream, format, deref_ref, recurse,
+ pretty)
+ struct type *type;
+ char *valaddr;
+ CORE_ADDR address;
+ FILE *stream;
+ int format;
+ int deref_ref;
+ int recurse;
+ enum val_prettyprint pretty;
+{
+ if (pretty == Val_pretty_default)
+ {
+ pretty = prettyprint_structs ? Val_prettyprint : Val_no_prettyprint;
+ }
+
+ QUIT;
+
+ /* Ensure that the type is complete and not just a stub. If the type is
+ only a stub and we can't find and substitute its complete type, then
+ print appropriate string and return. Typical types that my be stubs
+ are structs, unions, and C++ methods. */
+
+ check_stub_type (type);
+ if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
+ {
+ fprintf_filtered (stream, "<incomplete type>");
+ fflush (stream);
+ return (0);
+ }
+
+ return (LA_VAL_PRINT (type, valaddr, address, stream, format, deref_ref,
+ recurse, pretty));
+}
+
/* Print the value VAL in C-ish syntax on stream STREAM.
FORMAT is a format-letter, or 0 for print in natural format of data type.
If the object printed is a string pointer, returns
the number of string bytes printed. */
-value_print (val, stream, format)
+int
+value_print (val, stream, format, pretty)
value val;
FILE *stream;
- char format;
+ int format;
+ enum val_prettyprint pretty;
{
- register int i, n, typelen;
+ register unsigned int n, typelen;
+
+ if (val == 0)
+ {
+ printf_filtered ("<address of value unknown>");
+ return 0;
+ }
+ if (VALUE_OPTIMIZED_OUT (val))
+ {
+ printf_filtered ("<value optimized out>");
+ return 0;
+ }
/* A "repeated" value really contains several values in a row.
They are made by the @ operator.
{
n = VALUE_REPETITIONS (val);
typelen = TYPE_LENGTH (VALUE_TYPE (val));
- fputc ('{', stream);
+ fprintf_filtered (stream, "{");
/* Print arrays of characters using string syntax. */
if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT
&& format == 0)
- {
- fputc ('"', stream);
- for (i = 0; i < n && i < print_max; i++)
- {
- QUIT;
- printchar (VALUE_CONTENTS (val)[i], stream, '"');
- }
- if (i < n)
- fprintf (stream, "...");
- fputc ('"', stream);
- }
+ LA_PRINT_STRING (stream, VALUE_CONTENTS (val), n, 0);
else
{
- for (i = 0; i < n && i < print_max; i++)
- {
- if (i)
- fprintf (stream, ", ");
- val_print (VALUE_TYPE (val), VALUE_CONTENTS (val) + typelen * i,
- VALUE_ADDRESS (val) + typelen * i, stream, format);
- }
- if (i < n)
- fprintf (stream, "...");
+ value_print_array_elements (val, stream, format, pretty);
}
- fputc ('}', stream);
+ fprintf_filtered (stream, "}");
+ return (n * typelen);
}
else
{
- /* A simple (nonrepeated) value */
- /* If it is a pointer, indicate what it points to. */
- if (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_PTR)
+ struct type *type = VALUE_TYPE (val);
+
+ /* If it is a pointer, indicate what it points to.
+
+ Print type also if it is a reference.
+
+ C++: if it is a member pointer, we will take care
+ of that when we print it. */
+ if (TYPE_CODE (type) == TYPE_CODE_PTR ||
+ TYPE_CODE (type) == TYPE_CODE_REF)
{
- fprintf (stream, "(");
- type_print (VALUE_TYPE (val), "", stream, -1);
- fprintf (stream, ") ");
+ /* Hack: remove (char *) for char strings. Their
+ type is indicated by the quoted string anyway. */
+ if (TYPE_CODE (type) == TYPE_CODE_PTR &&
+ TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof(char) &&
+ TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT &&
+ !TYPE_UNSIGNED (TYPE_TARGET_TYPE (type)))
+ {
+ /* Print nothing */
+ }
+ else
+ {
+ fprintf_filtered (stream, "(");
+ type_print (type, "", stream, -1);
+ fprintf_filtered (stream, ") ");
+ }
}
- return val_print (VALUE_TYPE (val), VALUE_CONTENTS (val),
- VALUE_ADDRESS (val), stream, format);
+ return (val_print (type, VALUE_CONTENTS (val),
+ VALUE_ADDRESS (val), stream, format, 1, 0, pretty));
}
}
-\f
-/* Print data of type TYPE located at VALADDR (within GDB),
- which came from the inferior at address ADDRESS,
- onto stdio stream STREAM according to FORMAT
- (a letter or 0 for natural format).
- If the data are a string pointer, returns the number of
- sting characters printed. */
+/* Called by various <lang>_val_print routines to print TYPE_CODE_INT's */
-int
-val_print (type, valaddr, address, stream, format)
+void
+val_print_type_code_int (type, valaddr, stream)
struct type *type;
char *valaddr;
- CORE_ADDR address;
FILE *stream;
- char format;
{
- register int i;
- int len;
- struct type *elttype;
- int eltlen;
- int val;
- unsigned char c;
-
- QUIT;
+ char *p;
+ /* Pointer to first (i.e. lowest address) nonzero character. */
+ char *first_addr;
+ unsigned int len;
- switch (TYPE_CODE (type))
+ if (TYPE_LENGTH (type) > sizeof (LONGEST))
{
- case TYPE_CODE_ARRAY:
- if (TYPE_LENGTH (type) >= 0)
+ if (TYPE_UNSIGNED (type))
{
- elttype = TYPE_TARGET_TYPE (type);
- eltlen = TYPE_LENGTH (elttype);
- len = TYPE_LENGTH (type) / eltlen;
- fprintf (stream, "{");
- /* For an array of chars, print with string syntax. */
- if (eltlen == 1 && TYPE_CODE (elttype) == TYPE_CODE_INT
- && format == 0)
+ /* First figure out whether the number in fact has zeros
+ in all its bytes more significant than least significant
+ sizeof (LONGEST) ones. */
+ len = TYPE_LENGTH (type);
+
+#if TARGET_BYTE_ORDER == BIG_ENDIAN
+ for (p = valaddr;
+ len > sizeof (LONGEST) && p < valaddr + TYPE_LENGTH (type);
+ p++)
+#else /* Little endian. */
+ first_addr = valaddr;
+ for (p = valaddr + TYPE_LENGTH (type);
+ len > sizeof (LONGEST) && p >= valaddr;
+ p--)
+#endif /* Little endian. */
{
- fputc ('"', stream);
- for (i = 0; i < len && i < print_max; i++)
+ if (*p == 0)
{
- QUIT;
- printchar (valaddr[i], stream, '"');
+ len--;
}
- if (i < len)
- fprintf (stream, "...");
- fputc ('"', stream);
- }
- else
- {
- for (i = 0; i < len && i < print_max; i++)
+ else
{
- if (i) fprintf (stream, ", ");
- val_print (elttype, valaddr + i * eltlen,
- 0, stream, format);
+ break;
}
- if (i < len)
- fprintf (stream, "...");
}
- fprintf (stream, "}");
- break;
- }
- /* Array of unspecified length: treat like pointer. */
-
- case TYPE_CODE_PTR:
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
- }
- fprintf (stream, "0x%x", * (int *) valaddr);
- /* For a pointer to char or unsigned char,
- also print the string pointed to, unless pointer is null. */
-
- /* For an array of chars, print with string syntax. */
- elttype = TYPE_TARGET_TYPE (type);
- if (TYPE_LENGTH (elttype) == 1 && TYPE_CODE (elttype) == TYPE_CODE_INT
- && format == 0
- && unpack_long (type, valaddr) != 0)
- {
- fputc (' ', stream);
- fputc ('"', stream);
- for (i = 0; i < print_max; i++)
+#if TARGET_BYTE_ORDER == BIG_ENDIAN
+ first_addr = p;
+#endif
+ if (len <= sizeof (LONGEST))
{
- QUIT;
- read_memory (unpack_long (type, valaddr) + i, &c, 1);
- if (c == 0)
- break;
- printchar (c, stream, '"');
+ /* We can print it in decimal. */
+ fprintf_filtered
+ (stream,
+#if defined (LONG_LONG)
+ "%llu",
+#else
+ "%lu",
+#endif
+ unpack_long (BUILTIN_TYPE_LONGEST, first_addr));
}
- fputc ('"', stream);
- if (i == print_max)
- fprintf (stream, "...");
- fflush (stream);
- /* Return number of characters printed, plus one for the
- terminating null if we have "reached the end". */
- return i + (i != print_max);
- }
- break;
-
- case TYPE_CODE_STRUCT:
- case TYPE_CODE_UNION:
- fprintf (stream, "{");
- len = TYPE_NFIELDS (type);
- for (i = 0; i < len; i++)
- {
- if (i) fprintf (stream, ", ");
- fprintf (stream, "%s = ", TYPE_FIELD_NAME (type, i));
- if (TYPE_FIELD_PACKED (type, i))
+ else
{
- val = unpack_field_as_long (type, valaddr, i);
- val_print (TYPE_FIELD_TYPE (type, i), &val, 0, stream, format);
+ /* It is big, so print it in hex. */
+ print_hex_chars (stream, (unsigned char *) first_addr, len);
}
- else
- val_print (TYPE_FIELD_TYPE (type, i),
- valaddr + TYPE_FIELD_BITPOS (type, i) / 8,
- 0, stream, format);
}
- fprintf (stream, "}");
- break;
-
- case TYPE_CODE_ENUM:
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
- }
- len = TYPE_NFIELDS (type);
- val = unpack_long (builtin_type_int, valaddr);
- for (i = 0; i < len; i++)
- {
- QUIT;
- if (val == TYPE_FIELD_VALUE (type, i))
- break;
- }
- if (i < len)
- fprintf (stream, "%s", TYPE_FIELD_NAME (type, i));
else
- fprintf (stream, "%d", val);
- break;
-
- case TYPE_CODE_FUNC:
- if (format)
{
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
+ /* Signed. One could assume two's complement (a reasonable
+ assumption, I think) and do better than this. */
+ print_hex_chars (stream, (unsigned char *) valaddr,
+ TYPE_LENGTH (type));
}
- fprintf (stream, "{");
- type_print (type, "", stream, -1);
- fprintf (stream, "} ");
- fprintf (stream, "0x%x", address);
- break;
-
- case TYPE_CODE_INT:
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
- }
- fprintf (stream,
- TYPE_UNSIGNED (type) ? "%u" : "%d",
- unpack_long (type, valaddr));
- if (TYPE_LENGTH (type) == 1)
- {
- fprintf (stream, " '");
- printchar (unpack_long (type, valaddr), stream, '\'');
- fputc ('\'', stream);
- }
- break;
-
- case TYPE_CODE_FLT:
- if (format)
- {
- print_scalar_formatted (valaddr, type, format, 0, stream);
- break;
- }
-#ifdef IEEE_FLOAT
- if (is_nan (unpack_double (type, valaddr)))
- {
- fprintf (stream, "Nan");
- break;
- }
-#endif
- fprintf (stream, "%g", unpack_double (type, valaddr));
- break;
-
- case TYPE_CODE_VOID:
- fprintf (stream, "void");
- break;
-
- default:
- error ("Invalid type code in symbol table.");
}
- fflush (stream);
-}
-\f
-#ifdef IEEE_FLOAT
-
-union ieee {
- int i[2];
- double d;
-};
-
-/* Nonzero if ARG (a double) is a NAN. */
-
-int
-is_nan (arg)
- union ieee arg;
-{
- int lowhalf, highhalf;
- union { int i; char c; } test;
-
- /* Separate the high and low words of the double.
- Distinguish big and little-endian machines. */
- test.i = 1;
- if (test.c != 1)
- /* Big-endian machine */
- lowhalf = arg.i[1], highhalf = arg.i[0];
else
- lowhalf = arg.i[0], highhalf = arg.i[1];
-
- /* Nan: exponent is the maximum possible, and fraction is nonzero. */
- return (((highhalf>>20) & 0x7ff) == 0x7ff
- &&
- ! ((highhalf & 0xfffff == 0) && (lowhalf == 0)));
-}
+ {
+#ifdef PRINT_TYPELESS_INTEGER
+ PRINT_TYPELESS_INTEGER (stream, type, unpack_long (type, valaddr));
+#else
+ fprintf_filtered (stream, TYPE_UNSIGNED (type) ?
+#if defined (LONG_LONG)
+ "%llu" : "%lld",
+#else
+ "%u" : "%d",
#endif
-\f
-/* Print a description of a type TYPE
- in the form of a declaration of a variable named VARSTRING.
- Output goes to STREAM (via stdio).
- If SHOW is positive, we show the contents of the outermost level
- of structure even if there is a type name that could be used instead.
- If SHOW is negative, we never show the details of elements' types. */
-
-type_print (type, varstring, stream, show)
- struct type *type;
- char *varstring;
- FILE *stream;
- int show;
-{
- type_print_1 (type, varstring, stream, show, 0);
-}
+ unpack_long (type, valaddr));
+#endif
+ }
+}
-/* LEVEL is the depth to indent lines by. */
+/* Print a floating point value of type TYPE, pointed to in GDB by VALADDR,
+ on STREAM. */
-type_print_1 (type, varstring, stream, show, level)
+void
+print_floating (valaddr, type, stream)
+ char *valaddr;
struct type *type;
- char *varstring;
FILE *stream;
- int show;
- int level;
{
- register enum type_code code;
- type_print_base (type, stream, show, level);
- code = TYPE_CODE (type);
- if ((varstring && *varstring)
- ||
- /* Need a space if going to print stars or brackets;
- but not if we will print just a type name. */
- ((show > 0 || TYPE_NAME (type) == 0)
- &&
- (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC
- || code == TYPE_CODE_ARRAY)))
- fprintf (stream, " ");
- type_print_varspec_prefix (type, stream, show, 0);
- fprintf (stream, "%s", varstring);
- type_print_varspec_suffix (type, stream, show, 0);
+ double doub;
+ int inv;
+ unsigned len = TYPE_LENGTH (type);
+
+#if defined (IEEE_FLOAT)
+
+ /* Check for NaN's. Note that this code does not depend on us being
+ on an IEEE conforming system. It only depends on the target
+ machine using IEEE representation. This means (a)
+ cross-debugging works right, and (2) IEEE_FLOAT can (and should)
+ be defined for systems like the 68881, which uses IEEE
+ representation, but is not IEEE conforming. */
+
+ {
+ long low, high;
+ /* Is the sign bit 0? */
+ int nonnegative;
+ /* Is it is a NaN (i.e. the exponent is all ones and
+ the fraction is nonzero)? */
+ int is_nan;
+
+ if (len == sizeof (float))
+ {
+ /* It's single precision. */
+ memcpy ((char *) &low, valaddr, sizeof (low));
+ /* target -> host. */
+ SWAP_TARGET_AND_HOST (&low, sizeof (float));
+ nonnegative = low >= 0;
+ is_nan = ((((low >> 23) & 0xFF) == 0xFF)
+ && 0 != (low & 0x7FFFFF));
+ low &= 0x7fffff;
+ high = 0;
+ }
+ else
+ {
+ /* It's double precision. Get the high and low words. */
+
+#if TARGET_BYTE_ORDER == BIG_ENDIAN
+ memcpy (&low, valaddr+4, sizeof (low));
+ memcpy (&high, valaddr+0, sizeof (high));
+#else
+ memcpy (&low, valaddr+0, sizeof (low));
+ memcpy (&high, valaddr+4, sizeof (high));
+#endif
+ SWAP_TARGET_AND_HOST (&low, sizeof (low));
+ SWAP_TARGET_AND_HOST (&high, sizeof (high));
+ nonnegative = high >= 0;
+ is_nan = (((high >> 20) & 0x7ff) == 0x7ff
+ && ! ((((high & 0xfffff) == 0)) && (low == 0)));
+ high &= 0xfffff;
+ }
+
+ if (is_nan)
+ {
+ /* The meaning of the sign and fraction is not defined by IEEE.
+ But the user might know what they mean. For example, they
+ (in an implementation-defined manner) distinguish between
+ signaling and quiet NaN's. */
+ if (high)
+ fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + nonnegative,
+ high, low);
+ else
+ fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low);
+ return;
+ }
+ }
+#endif /* IEEE_FLOAT. */
+
+ doub = unpack_double (type, valaddr, &inv);
+ if (inv)
+ fprintf_filtered (stream, "<invalid float value>");
+ else
+ fprintf_filtered (stream, len <= sizeof(float) ? "%.9g" : "%.17g", doub);
}
-/* Print any asterisks or open-parentheses needed before the
- variable name (to describe its type).
-
- On outermost call, pass 0 for PASSED_A_PTR.
- On outermost call, SHOW > 0 means should ignore
- any typename for TYPE and show its details.
- SHOW is always zero on recursive calls. */
+/* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
static void
-type_print_varspec_prefix (type, stream, show, passed_a_ptr)
- struct type *type;
+print_hex_chars (stream, valaddr, len)
FILE *stream;
- int show;
- int passed_a_ptr;
+ unsigned char *valaddr;
+ unsigned len;
{
- if (type == 0)
- return;
-
- if (TYPE_NAME (type) && show <= 0)
- return;
-
- QUIT;
-
- switch (TYPE_CODE (type))
+ unsigned char *p;
+
+ fprintf_filtered (stream, "0x");
+#if TARGET_BYTE_ORDER == BIG_ENDIAN
+ for (p = valaddr;
+ p < valaddr + len;
+ p++)
+#else /* Little endian. */
+ for (p = valaddr + len - 1;
+ p >= valaddr;
+ p--)
+#endif
{
- case TYPE_CODE_PTR:
- type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1);
- fputc ('*', stream);
- break;
-
- case TYPE_CODE_FUNC:
- case TYPE_CODE_ARRAY:
- type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 0);
- if (passed_a_ptr)
- fputc ('(', stream);
- break;
+ fprintf_filtered (stream, "%02x", *p);
}
}
-/* Print any array sizes, function arguments or close parentheses
- needed after the variable name (to describe its type).
- Args work like type_print_varspec_prefix. */
+/* Called by various <lang>_val_print routines to print elements of an
+ array in the form "<elem1>, <elem2>, <elem3>, ...".
-static void
-type_print_varspec_suffix (type, stream, show, passed_a_ptr)
+ (FIXME?) Assumes array element separator is a comma, which is correct
+ for all languages currently handled.
+ (FIXME?) Some languages have a notation for repeated array elements,
+ perhaps we should try to use that notation when appropriate.
+ */
+
+void
+val_print_array_elements (type, valaddr, address, stream, format, deref_ref,
+ recurse, pretty, i)
struct type *type;
+ char *valaddr;
+ CORE_ADDR address;
FILE *stream;
- int show;
- int passed_a_ptr;
+ int format;
+ int deref_ref;
+ int recurse;
+ enum val_prettyprint pretty;
+ unsigned int i;
{
- if (type == 0)
- return;
-
- if (TYPE_NAME (type) && show <= 0)
- return;
-
- QUIT;
-
- switch (TYPE_CODE (type))
+ unsigned int things_printed = 0;
+ unsigned len;
+ struct type *elttype;
+ unsigned eltlen;
+ /* Position of the array element we are examining to see
+ whether it is repeated. */
+ unsigned int rep1;
+ /* Number of repetitions we have detected so far. */
+ unsigned int reps;
+
+ elttype = TYPE_TARGET_TYPE (type);
+ eltlen = TYPE_LENGTH (elttype);
+ len = TYPE_LENGTH (type) / eltlen;
+
+ for (; i < len && things_printed < print_max; i++)
{
- case TYPE_CODE_ARRAY:
- type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0);
- if (passed_a_ptr)
- fprintf (stream, ")");
- fprintf (stream, "[");
- if (TYPE_LENGTH (type) >= 0)
- fprintf (stream, "%d",
- TYPE_LENGTH (type) / TYPE_LENGTH (TYPE_TARGET_TYPE (type)));
- fprintf (stream, "]");
- break;
-
- case TYPE_CODE_PTR:
- type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1);
- break;
-
- case TYPE_CODE_FUNC:
- type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0);
- if (passed_a_ptr)
- fprintf (stream, ")");
- fprintf (stream, "()");
- break;
+ if (i != 0)
+ {
+ if (prettyprint_arrays)
+ {
+ fprintf_filtered (stream, ",\n");
+ print_spaces_filtered (2 + 2 * recurse, stream);
+ }
+ else
+ {
+ fprintf_filtered (stream, ", ");
+ }
+ }
+ wrap_here (n_spaces (2 + 2 * recurse));
+
+ rep1 = i + 1;
+ reps = 1;
+ while ((rep1 < len) &&
+ !memcmp (valaddr + i * eltlen, valaddr + rep1 * eltlen, eltlen))
+ {
+ ++reps;
+ ++rep1;
+ }
+
+ if (reps > repeat_count_threshold)
+ {
+ val_print (elttype, valaddr + i * eltlen, 0, stream, format,
+ deref_ref, recurse + 1, pretty);
+ fprintf_filtered (stream, " <repeats %u times>", reps);
+ i = rep1 - 1;
+ things_printed += repeat_count_threshold;
+ }
+ else
+ {
+ val_print (elttype, valaddr + i * eltlen, 0, stream, format,
+ deref_ref, recurse + 1, pretty);
+ things_printed++;
+ }
+ }
+ if (i < len)
+ {
+ fprintf_filtered (stream, "...");
}
}
-/* Print the name of the type (or the ultimate pointer target,
- function value or array element), or the description of a
- structure or union.
-
- SHOW nonzero means don't print this type as just its name;
- show its real definition even if it has a name.
- SHOW zero means print just typename or struct tag if there is one
- SHOW negative means abbreviate structure elements.
- SHOW is decremented for printing of structure elements.
-
- LEVEL is the depth to indent by.
- We increase it for some recursive calls. */
-
static void
-type_print_base (type, stream, show, level)
- struct type *type;
+value_print_array_elements (val, stream, format, pretty)
+ value val;
FILE *stream;
- int show;
- int level;
+ int format;
+ enum val_prettyprint pretty;
{
- char *name;
- register int i;
- register int len;
- register int lastval;
-
- QUIT;
-
- if (type == 0)
+ unsigned int things_printed = 0;
+ register unsigned int i, n, typelen;
+ /* Position of the array elem we are examining to see if it is repeated. */
+ unsigned int rep1;
+ /* Number of repetitions we have detected so far. */
+ unsigned int reps;
+
+ n = VALUE_REPETITIONS (val);
+ typelen = TYPE_LENGTH (VALUE_TYPE (val));
+ for (i = 0; i < n && things_printed < print_max; i++)
{
- fprintf (stream, "type unknown");
- return;
- }
-
- if (TYPE_NAME (type) && show <= 0)
- {
- fprintf (stream, TYPE_NAME (type));
- return;
- }
-
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_ARRAY:
- case TYPE_CODE_PTR:
- case TYPE_CODE_FUNC:
- type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
- break;
-
- case TYPE_CODE_STRUCT:
- fprintf (stream, "struct ");
- goto struct_union;
-
- case TYPE_CODE_UNION:
- fprintf (stream, "union ");
- struct_union:
- if (TYPE_NAME (type) && (name = TYPE_NAME (type)))
+ if (i != 0)
+ {
+ fprintf_filtered (stream, ", ");
+ }
+ wrap_here ("");
+
+ rep1 = i + 1;
+ reps = 1;
+ while (rep1 < n && !memcmp (VALUE_CONTENTS (val) + typelen * i,
+ VALUE_CONTENTS (val) + typelen * rep1,
+ typelen))
+ {
+ ++reps;
+ ++rep1;
+ }
+
+ if (reps > repeat_count_threshold)
{
- while (*name != ' ') name++;
- fprintf (stream, "%s ", name + 1);
+ val_print (VALUE_TYPE (val), VALUE_CONTENTS (val) + typelen * i,
+ VALUE_ADDRESS (val) + typelen * i, stream, format, 1,
+ 0, pretty);
+ fprintf (stream, " <repeats %u times>", reps);
+ i = rep1 - 1;
+ things_printed += repeat_count_threshold;
}
- if (show < 0)
- fprintf (stream, "{...}");
else
{
- fprintf (stream, "{");
- len = TYPE_NFIELDS (type);
- fprintf (stream, "\n");
- for (i = 0; i < len; i++)
- {
- QUIT;
- print_spaces (level + 4, stream);
-
- /* If this is a bit-field and there is a gap before it,
- print a nameless field to account for the gap. */
+ val_print (VALUE_TYPE (val), VALUE_CONTENTS (val) + typelen * i,
+ VALUE_ADDRESS (val) + typelen * i, stream, format, 1,
+ 0, pretty);
+ things_printed++;
+ }
+ }
+ if (i < n)
+ {
+ fprintf_filtered (stream, "...");
+ }
+}
- if (TYPE_FIELD_PACKED (type, i))
- {
- int gap = (TYPE_FIELD_BITPOS (type, i)
- - (i > 0
- ? (TYPE_FIELD_BITPOS (type, i - 1)
- + (TYPE_FIELD_PACKED (type, i - 1)
- ? TYPE_FIELD_BITSIZE (type, i - 1)
- : TYPE_LENGTH (TYPE_FIELD_TYPE (type, i - 1)) * 8))
- : 0));
- if (gap != 0)
- {
- fprintf (stream, "int : %d;\n", gap);
- print_spaces (level + 4, stream);
- }
- }
+\f
+#if 0
+/* Validate an input or output radix setting, and make sure the user
+ knows what they really did here. Radix setting is confusing, e.g.
+ setting the input radix to "10" never changes it! */
- /* Print the declaration of this field. */
+/* ARGSUSED */
+static void
+set_input_radix (args, from_tty, c)
+ char *args;
+ int from_tty;
+ struct cmd_list_element *c;
+{
+ unsigned radix = *(unsigned *)c->var;
- type_print_1 (TYPE_FIELD_TYPE (type, i),
- TYPE_FIELD_NAME (type, i),
- stream, show - 1, level + 4);
+ if (from_tty)
+ printf_filtered ("Input radix set to decimal %d, hex %x, octal %o\n",
+ radix, radix, radix);
+}
+#endif
- /* Print the field width. */
+/* ARGSUSED */
+static void
+set_output_radix (args, from_tty, c)
+ char *args;
+ int from_tty;
+ struct cmd_list_element *c;
+{
+ unsigned radix = *(unsigned *)c->var;
- if (TYPE_FIELD_PACKED (type, i))
- fprintf (stream, " : %d", TYPE_FIELD_BITSIZE (type, i));
+ if (from_tty)
+ printf_filtered ("Output radix set to decimal %d, hex %x, octal %o\n",
+ radix, radix, radix);
- fprintf (stream, ";\n");
- }
- print_spaces (level, stream);
- fputc ('}', stream);
- }
+ /* FIXME, we really should be able to validate the setting BEFORE
+ it takes effect. */
+ switch (radix)
+ {
+ case 16:
+ output_format = 'x';
break;
-
- case TYPE_CODE_ENUM:
- fprintf (stream, "enum ");
- if (TYPE_NAME (type))
- {
- name = TYPE_NAME (type);
- while (*name != ' ') name++;
- fprintf (stream, "%s ", name + 1);
- }
- if (show < 0)
- fprintf (stream, "{...}");
- else
- {
- fprintf (stream, "{");
- len = TYPE_NFIELDS (type);
- lastval = 0;
- for (i = 0; i < len; i++)
- {
- QUIT;
- if (i) fprintf (stream, ", ");
- fprintf (stream, "%s", TYPE_FIELD_NAME (type, i));
- if (lastval != TYPE_FIELD_VALUE (type, i))
- {
- fprintf (stream, " : %d", TYPE_FIELD_VALUE (type, i));
- lastval = TYPE_FIELD_VALUE (type, i);
- }
- lastval++;
- }
- fprintf (stream, "}");
- }
+ case 10:
+ output_format = 0;
break;
-
- case TYPE_CODE_INT:
- if (TYPE_UNSIGNED (type))
- name = unsigned_type_table[TYPE_LENGTH (type)];
- else
- name = signed_type_table[TYPE_LENGTH (type)];
- fprintf (stream, "%s", name);
+ case 8:
+ output_format = 'o'; /* octal */
break;
+ default:
+ output_format = 0;
+ error ("Unsupported radix ``decimal %d''; using decimal output",
+ radix);
+ }
+}
- case TYPE_CODE_FLT:
- name = float_type_table[TYPE_LENGTH (type)];
- fprintf (stream, "%s", name);
- break;
+/* Both at once */
+static void
+set_radix (arg, from_tty, c)
+ char *arg;
+ int from_tty;
+ struct cmd_list_element *c;
+{
+ unsigned radix = *(unsigned *)c->var;
- case TYPE_CODE_VOID:
- fprintf (stream, "void");
- break;
+ if (from_tty)
+ printf_filtered ("Radix set to decimal %d, hex %x, octal %o\n",
+ radix, radix, radix);
- case 0:
- fprintf (stream, "struct unknown");
- break;
+ input_radix = radix;
+ output_radix = radix;
- default:
- error ("Invalid type code in symbol table.");
- }
+ set_output_radix (arg, 0, c);
}
\f
+/*ARGSUSED*/
static void
-set_maximum_command (arg)
+set_print (arg, from_tty)
char *arg;
+ int from_tty;
{
- if (!arg) error_no_arg ("value for maximum elements to print");
- print_max = atoi (arg);
+ printf (
+"\"set print\" must be followed by the name of a print subcommand.\n");
+ help_list (setprintlist, "set print ", -1, stdout);
}
-static
-initialize ()
+/*ARGSUSED*/
+static void
+show_print (args, from_tty)
+ char *args;
+ int from_tty;
{
- add_com ("set-maximum", class_vars, set_maximum_command,
- "Set NUMBER as limit on string chars or array elements to print.");
-
+ cmd_show_list (showprintlist, from_tty, "");
+}
+\f
+void
+_initialize_valprint ()
+{
+ struct cmd_list_element *c;
+
+ add_prefix_cmd ("print", no_class, set_print,
+ "Generic command for setting how things print.",
+ &setprintlist, "set print ", 0, &setlist);
+ add_alias_cmd ("p", "print", no_class, 1, &setlist);
+ add_alias_cmd ("pr", "print", no_class, 1, &setlist); /* prefer set print
+ to set prompt */
+ add_prefix_cmd ("print", no_class, show_print,
+ "Generic command for showing print settings.",
+ &showprintlist, "show print ", 0, &showlist);
+ add_alias_cmd ("p", "print", no_class, 1, &showlist);
+ add_alias_cmd ("pr", "print", no_class, 1, &showlist);
+
+ add_show_from_set
+ (add_set_cmd ("elements", no_class, var_uinteger, (char *)&print_max,
+ "Set limit on string chars or array elements to print.\n\
+\"set print elements 0\" causes there to be no limit.",
+ &setprintlist),
+ &showprintlist);
+
+ add_show_from_set
+ (add_set_cmd ("repeats", no_class, var_uinteger,
+ (char *)&repeat_count_threshold,
+ "Set threshold for repeated print elements.\n\
+\"set print repeats 0\" causes all elements to be individually printed.",
+ &setprintlist),
+ &showprintlist);
+
+ add_show_from_set
+ (add_set_cmd ("pretty", class_support, var_boolean,
+ (char *)&prettyprint_structs,
+ "Set prettyprinting of structures.",
+ &setprintlist),
+ &showprintlist);
+
+ add_show_from_set
+ (add_set_cmd ("union", class_support, var_boolean, (char *)&unionprint,
+ "Set printing of unions interior to structures.",
+ &setprintlist),
+ &showprintlist);
+
+ add_show_from_set
+ (add_set_cmd ("array", class_support, var_boolean,
+ (char *)&prettyprint_arrays,
+ "Set prettyprinting of arrays.",
+ &setprintlist),
+ &showprintlist);
+
+ add_show_from_set
+ (add_set_cmd ("address", class_support, var_boolean, (char *)&addressprint,
+ "Set printing of addresses.",
+ &setprintlist),
+ &showprintlist);
+
+#if 0
+ /* The "show radix" cmd isn't good enough to show two separate values.
+ The rest of the code works, but the show part is confusing, so don't
+ let them be set separately 'til we work out "show". */
+ c = add_set_cmd ("input-radix", class_support, var_uinteger,
+ (char *)&input_radix,
+ "Set default input radix for entering numbers.",
+ &setlist);
+ add_show_from_set (c, &showlist);
+ c->function = set_input_radix;
+
+ c = add_set_cmd ("output-radix", class_support, var_uinteger,
+ (char *)&output_radix,
+ "Set default output radix for printing of values.",
+ &setlist);
+ add_show_from_set (c, &showlist);
+ c->function = set_output_radix;
+#endif
+
+ c = add_set_cmd ("radix", class_support, var_uinteger,
+ (char *)&output_radix,
+ "Set default input and output number radix.",
+ &setlist);
+ add_show_from_set (c, &showlist);
+ c->function.sfunc = set_radix;
+
+ /* Give people the defaults which they are used to. */
+ prettyprint_structs = 0;
+ prettyprint_arrays = 0;
+ unionprint = 1;
+ addressprint = 1;
print_max = 200;
-
- unsigned_type_table
- = (char **) xmalloc ((1 + sizeof (unsigned long)) * sizeof (char *));
- bzero (unsigned_type_table, (1 + sizeof (unsigned long)));
- unsigned_type_table[sizeof (unsigned char)] = "unsigned char";
- unsigned_type_table[sizeof (unsigned short)] = "unsigned short";
- unsigned_type_table[sizeof (unsigned long)] = "unsigned long";
- unsigned_type_table[sizeof (unsigned int)] = "unsigned int";
-
- signed_type_table
- = (char **) xmalloc ((1 + sizeof (long)) * sizeof (char *));
- bzero (signed_type_table, (1 + sizeof (long)));
- signed_type_table[sizeof (char)] = "char";
- signed_type_table[sizeof (short)] = "short";
- signed_type_table[sizeof (long)] = "long";
- signed_type_table[sizeof (int)] = "int";
-
- float_type_table
- = (char **) xmalloc ((1 + sizeof (double)) * sizeof (char *));
- bzero (float_type_table, (1 + sizeof (double)));
- float_type_table[sizeof (float)] = "float";
- float_type_table[sizeof (double)] = "double";
}
-
-END_FILE
projects / binutils-gdb.git / blobdiff