/* Print values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1991-1994, 1998, 2000
- Free Software Foundation, Inc.
+
+ Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation,
+ Inc.
This file is part of GDB.
#include "gdbcore.h"
#include "gdbcmd.h"
#include "target.h"
-#include "obstack.h"
#include "language.h"
-#include "demangle.h"
#include "annotate.h"
#include "valprint.h"
+#include "floatformat.h"
+#include "doublest.h"
#include <errno.h>
static int partial_memory_read (CORE_ADDR memaddr, char *myaddr,
int len, int *errnoptr);
-static void print_hex_chars (struct ui_file *, unsigned char *,
- unsigned int);
-
static void show_print (char *, int);
static void set_print (char *, int);
only a stub and we can't find and substitute its complete type, then
print appropriate string and return. */
- if (TYPE_FLAGS (real_type) & TYPE_FLAG_STUB)
+ if (TYPE_STUB (real_type))
{
fprintf_filtered (stream, "<incomplete type>");
gdb_flush (stream);
the number of string bytes printed. */
int
-value_print (value_ptr val, struct ui_file *stream, int format,
+value_print (struct value *val, struct ui_file *stream, int format,
enum val_prettyprint pretty)
{
if (val == 0)
}
else
{
-#ifdef PRINT_TYPELESS_INTEGER
- PRINT_TYPELESS_INTEGER (stream, type, unpack_long (type, valaddr));
-#else
print_longest (stream, TYPE_UNSIGNED (type) ? 'u' : 'd', 0,
unpack_long (type, valaddr));
-#endif
}
}
sign, temp[2], temp[1], temp[0]);
break;
default:
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
return;
}
fprintf_filtered (stream,
use_local ? local_decimal_format_custom ("ll")
: "%lld",
- val_long);
+ (long long) val_long);
break;
case 'u':
- fprintf_filtered (stream, "%llu", val_long);
+ fprintf_filtered (stream, "%llu", (long long) val_long);
break;
case 'x':
fprintf_filtered (stream,
use_local ? local_hex_format_custom ("ll")
: "%llx",
- val_long);
+ (unsigned long long) val_long);
break;
case 'o':
fprintf_filtered (stream,
use_local ? local_octal_format_custom ("ll")
: "%llo",
- val_long);
+ (unsigned long long) val_long);
break;
case 'b':
fprintf_filtered (stream, local_hex_format_custom ("02ll"), val_long);
fprintf_filtered (stream, local_hex_format_custom ("016ll"), val_long);
break;
default:
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
#else /* !CC_HAS_LONG_LONG || !PRINTF_HAS_LONG_LONG */
/* In the following it is important to coerce (val_long) to a long. It does
(unsigned long) val_long);
break;
default:
- abort ();
+ internal_error (__FILE__, __LINE__, "failed internal consistency check");
}
#endif /* CC_HAS_LONG_LONG || PRINTF_HAS_LONG_LONG */
}
-#if 0
-void
-strcat_longest (int format, int use_local, LONGEST val_long, char *buf,
- int buflen)
-{
-/* FIXME: Use buflen to avoid buffer overflow. */
-#if defined (CC_HAS_LONG_LONG) && !defined (PRINTF_HAS_LONG_LONG)
- long vtop, vbot;
-
- vtop = val_long >> (sizeof (long) * HOST_CHAR_BIT);
- vbot = (long) val_long;
-
- if ((format == 'd' && (val_long < INT_MIN || val_long > INT_MAX))
- || ((format == 'u' || format == 'x') && (unsigned long long) val_long > UINT_MAX))
- {
- sprintf (buf, "0x%lx%08lx", vtop, vbot);
- return;
- }
-#endif
-
-#ifdef PRINTF_HAS_LONG_LONG
- switch (format)
- {
- case 'd':
- sprintf (buf,
- (use_local ? local_decimal_format_custom ("ll") : "%lld"),
- val_long);
- break;
- case 'u':
- sprintf (buf, "%llu", val_long);
- break;
- case 'x':
- sprintf (buf,
- (use_local ? local_hex_format_custom ("ll") : "%llx"),
-
- val_long);
- break;
- case 'o':
- sprintf (buf,
- (use_local ? local_octal_format_custom ("ll") : "%llo"),
- val_long);
- break;
- case 'b':
- sprintf (buf, local_hex_format_custom ("02ll"), val_long);
- break;
- case 'h':
- sprintf (buf, local_hex_format_custom ("04ll"), val_long);
- break;
- case 'w':
- sprintf (buf, local_hex_format_custom ("08ll"), val_long);
- break;
- case 'g':
- sprintf (buf, local_hex_format_custom ("016ll"), val_long);
- break;
- default:
- abort ();
- }
-#else /* !PRINTF_HAS_LONG_LONG */
- /* In the following it is important to coerce (val_long) to a long. It does
- nothing if !LONG_LONG, but it will chop off the top half (which we know
- we can ignore) if the host supports long longs. */
-
- switch (format)
- {
- case 'd':
- sprintf (buf, (use_local ? local_decimal_format_custom ("l") : "%ld"),
- ((long) val_long));
- break;
- case 'u':
- sprintf (buf, "%lu", ((unsigned long) val_long));
- break;
- case 'x':
- sprintf (buf, (use_local ? local_hex_format_custom ("l") : "%lx"),
- ((long) val_long));
- break;
- case 'o':
- sprintf (buf, (use_local ? local_octal_format_custom ("l") : "%lo"),
- ((long) val_long));
- break;
- case 'b':
- sprintf (buf, local_hex_format_custom ("02l"),
- ((long) val_long));
- break;
- case 'h':
- sprintf (buf, local_hex_format_custom ("04l"),
- ((long) val_long));
- break;
- case 'w':
- sprintf (buf, local_hex_format_custom ("08l"),
- ((long) val_long));
- break;
- case 'g':
- sprintf (buf, local_hex_format_custom ("016l"),
- ((long) val_long));
- break;
- default:
- abort ();
- }
-
-#endif /* !PRINTF_HAS_LONG_LONG */
-}
-#endif
-
/* This used to be a macro, but I don't think it is called often enough
to merit such treatment. */
/* Convert a LONGEST to an int. This is used in contexts (e.g. number of
return (rtnval);
}
-
-/* Print a floating point value of type TYPE, pointed to in GDB by VALADDR,
- on STREAM. */
+/* Print a floating point value of type TYPE (not always a
+ TYPE_CODE_FLT), pointed to in GDB by VALADDR, on STREAM. */
void
print_floating (char *valaddr, struct type *type, struct ui_file *stream)
{
DOUBLEST doub;
int inv;
+ const struct floatformat *fmt = NULL;
unsigned len = TYPE_LENGTH (type);
- /* 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 non-zero for systems like the 68881, which uses IEEE
- representation, but is not IEEE conforming. */
- if (IEEE_FLOAT)
+ /* If it is a floating-point, check for obvious problems. */
+ if (TYPE_CODE (type) == TYPE_CODE_FLT)
+ fmt = floatformat_from_type (type);
+ if (fmt != NULL && floatformat_is_nan (fmt, valaddr))
{
- unsigned 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;
-
- /* For lint, initialize these two variables to suppress warning: */
- low = high = nonnegative = 0;
- if (len == 4)
- {
- /* It's single precision. */
- /* Assume that floating point byte order is the same as
- integer byte order. */
- low = extract_unsigned_integer (valaddr, 4);
- nonnegative = ((low & 0x80000000) == 0);
- is_nan = ((((low >> 23) & 0xFF) == 0xFF)
- && 0 != (low & 0x7FFFFF));
- low &= 0x7fffff;
- high = 0;
- }
- else if (len == 8)
- {
- /* It's double precision. Get the high and low words. */
-
- /* Assume that floating point byte order is the same as
- integer byte order. */
- if (TARGET_BYTE_ORDER == BIG_ENDIAN)
- {
- low = extract_unsigned_integer (valaddr + 4, 4);
- high = extract_unsigned_integer (valaddr, 4);
- }
- else
- {
- low = extract_unsigned_integer (valaddr, 4);
- high = extract_unsigned_integer (valaddr + 4, 4);
- }
- nonnegative = ((high & 0x80000000) == 0);
- is_nan = (((high >> 20) & 0x7ff) == 0x7ff
- && !((((high & 0xfffff) == 0)) && (low == 0)));
- high &= 0xfffff;
- }
- else
- {
-#ifdef TARGET_ANALYZE_FLOATING
- TARGET_ANALYZE_FLOATING;
-#else
- /* Extended. We can't detect extended NaNs for this target.
- Also note that currently extendeds get nuked to double in
- REGISTER_CONVERTIBLE. */
- is_nan = 0;
-#endif
- }
-
- 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;
- }
+ if (floatformat_is_negative (fmt, valaddr))
+ fprintf_filtered (stream, "-");
+ fprintf_filtered (stream, "nan(");
+ fputs_filtered (local_hex_format_prefix (), stream);
+ fputs_filtered (floatformat_mantissa (fmt, valaddr), stream);
+ fputs_filtered (local_hex_format_suffix (), stream);
+ fprintf_filtered (stream, ")");
+ return;
}
+ /* NOTE: cagney/2002-01-15: The TYPE passed into print_floating()
+ isn't necessarily a TYPE_CODE_FLT. Consequently, unpack_double
+ needs to be used as that takes care of any necessary type
+ conversions. Such conversions are of course direct to DOUBLEST
+ and disregard any possible target floating point limitations.
+ For instance, a u64 would be converted and displayed exactly on a
+ host with 80 bit DOUBLEST but with loss of information on a host
+ with 64 bit DOUBLEST. */
+
doub = unpack_double (type, valaddr, &inv);
if (inv)
{
return;
}
+ /* FIXME: kettenis/2001-01-20: The following code makes too much
+ assumptions about the host and target floating point format. */
+
+ /* NOTE: cagney/2002-02-03: Since the TYPE of what was passed in may
+ not necessarially be a TYPE_CODE_FLT, the below ignores that and
+ instead uses the type's length to determine the precision of the
+ floating-point value being printed. */
+
if (len < sizeof (double))
fprintf_filtered (stream, "%.9g", (double) doub);
else if (len == sizeof (double))
#ifdef PRINTF_HAS_LONG_DOUBLE
fprintf_filtered (stream, "%.35Lg", doub);
#else
- /* This at least wins with values that are representable as doubles */
+ /* This at least wins with values that are representable as
+ doubles. */
fprintf_filtered (stream, "%.17g", (double) doub);
#endif
}
/* FIXME: We should be not printing leading zeroes in most cases. */
- fprintf_filtered (stream, local_binary_format_prefix ());
- if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ fputs_filtered (local_binary_format_prefix (), stream);
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
for (p = valaddr;
p < valaddr + len;
}
}
}
- fprintf_filtered (stream, local_binary_format_suffix ());
+ fputs_filtered (local_binary_format_suffix (), stream);
}
/* VALADDR points to an integer of LEN bytes.
cycle = (len * BITS_IN_BYTES) % BITS_IN_OCTAL;
carry = 0;
- fprintf_filtered (stream, local_octal_format_prefix ());
- if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ fputs_filtered (local_octal_format_prefix (), stream);
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
for (p = valaddr;
p < valaddr + len;
}
}
- fprintf_filtered (stream, local_octal_format_suffix ());
+ fputs_filtered (local_octal_format_suffix (), stream);
}
/* VALADDR points to an integer of LEN bytes.
#define CARRY_LEFT( x ) ((x) % TEN)
#define SHIFT( x ) ((x) << 4)
#define START_P \
- ((TARGET_BYTE_ORDER == BIG_ENDIAN) ? valaddr : valaddr + len - 1)
+ ((TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1)
#define NOT_END_P \
- ((TARGET_BYTE_ORDER == BIG_ENDIAN) ? (p < valaddr + len) : (p >= valaddr))
+ ((TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr))
#define NEXT_P \
- ((TARGET_BYTE_ORDER == BIG_ENDIAN) ? p++ : p-- )
+ ((TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) ? p++ : p-- )
#define LOW_NIBBLE( x ) ( (x) & 0x00F)
#define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4)
* as the base 16 number, which is 2 digits per byte.
*/
decimal_len = len * 2 * 2;
- digits = (unsigned char *) malloc (decimal_len);
- if (digits == NULL)
- error ("Can't allocate memory for conversion to decimal.");
+ digits = xmalloc (decimal_len);
for (i = 0; i < decimal_len; i++)
{
digits[i] = 0;
}
- fprintf_filtered (stream, local_decimal_format_prefix ());
+ fputs_filtered (local_decimal_format_prefix (), stream);
/* Ok, we have an unknown number of bytes of data to be printed in
* decimal.
}
xfree (digits);
- fprintf_filtered (stream, local_decimal_format_suffix ());
+ fputs_filtered (local_decimal_format_suffix (), stream);
}
/* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */
-static void
+void
print_hex_chars (struct ui_file *stream, unsigned char *valaddr, unsigned len)
{
unsigned char *p;
/* FIXME: We should be not printing leading zeroes in most cases. */
- fprintf_filtered (stream, local_hex_format_prefix ());
- if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ fputs_filtered (local_hex_format_prefix (), stream);
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
{
for (p = valaddr;
p < valaddr + len;
fprintf_filtered (stream, "%02x", *p);
}
}
- fprintf_filtered (stream, local_hex_format_suffix ());
+ fputs_filtered (local_hex_format_suffix (), stream);
+}
+
+/* VALADDR points to a char integer of LEN bytes. Print it out in appropriate language form on stream.
+ Omit any leading zero chars. */
+
+void
+print_char_chars (struct ui_file *stream, unsigned char *valaddr, unsigned len)
+{
+ unsigned char *p;
+
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ {
+ p = valaddr;
+ while (p < valaddr + len - 1 && *p == 0)
+ ++p;
+
+ while (p < valaddr + len)
+ {
+ LA_EMIT_CHAR (*p, stream, '\'');
+ ++p;
+ }
+ }
+ else
+ {
+ p = valaddr + len - 1;
+ while (p > valaddr && *p == 0)
+ --p;
+
+ while (p >= valaddr)
+ {
+ LA_EMIT_CHAR (*p, stream, '\'');
+ --p;
+ }
+ }
}
/* Called by various <lang>_val_print routines to print elements of an
knows what they really did here. Radix setting is confusing, e.g.
setting the input radix to "10" never changes it! */
-/* ARGSUSED */
static void
set_input_radix (char *args, int from_tty, struct cmd_list_element *c)
{
- set_input_radix_1 (from_tty, *(unsigned *) c->var);
+ set_input_radix_1 (from_tty, input_radix);
}
-/* ARGSUSED */
static void
set_input_radix_1 (int from_tty, unsigned radix)
{
if (radix < 2)
{
+ /* FIXME: cagney/2002-03-17: This needs to revert the bad radix
+ value. */
error ("Nonsense input radix ``decimal %u''; input radix unchanged.",
radix);
}
}
}
-/* ARGSUSED */
static void
set_output_radix (char *args, int from_tty, struct cmd_list_element *c)
{
- set_output_radix_1 (from_tty, *(unsigned *) c->var);
+ set_output_radix_1 (from_tty, output_radix);
}
static void
output_format = 'o'; /* octal */
break;
default:
+ /* FIXME: cagney/2002-03-17: This needs to revert the bad radix
+ value. */
error ("Unsupported output radix ``decimal %u''; output radix unchanged.",
radix);
}
/* Show both the input and output radices. */
-/*ARGSUSED */
static void
show_radix (char *arg, int from_tty)
{
}
\f
-/*ARGSUSED */
static void
set_print (char *arg, int from_tty)
{
help_list (setprintlist, "set print ", -1, gdb_stdout);
}
-/*ARGSUSED */
static void
show_print (char *args, int from_tty)
{
"Set default input radix for entering numbers.",
&setlist);
add_show_from_set (c, &showlist);
- c->function.sfunc = set_input_radix;
+ set_cmd_sfunc (c, 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.sfunc = set_output_radix;
+ set_cmd_sfunc (c, set_output_radix);
/* The "set radix" and "show radix" commands are special in that they are
like normal set and show commands but allow two normally independent
projects / deliverable / binutils-gdb.git / blobdiff