/* Print values for GDB, the GNU debugger.
- Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2005 Free Software
- Foundation, Inc.
+ Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdb_string.h"
#include "valprint.h"
#include "floatformat.h"
#include "doublest.h"
+#include "exceptions.h"
+#include "dfp.h"
#include <errno.h>
/* Prototypes for local functions */
-static int partial_memory_read (CORE_ADDR memaddr, char *myaddr,
+static int partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr,
int len, int *errnoptr);
static void show_print (char *, int);
}
int output_format = 0;
+/* By default we print arrays without printing the index of each element in
+ the array. This behavior can be changed by setting PRINT_ARRAY_INDEXES. */
+
+static int print_array_indexes = 0;
+static void
+show_print_array_indexes (struct ui_file *file, int from_tty,
+ struct cmd_list_element *c, const char *value)
+{
+ fprintf_filtered (file, _("Printing of array indexes is %s.\n"), value);
+}
+
/* 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. */
CORE_ADDR address, struct ui_file *stream, int format,
int deref_ref, int recurse, enum val_prettyprint pretty)
{
+ volatile struct gdb_exception except;
+ volatile enum val_prettyprint real_pretty = pretty;
+ int ret = 0;
+
struct type *real_type = check_typedef (type);
if (pretty == Val_pretty_default)
- {
- pretty = prettyprint_structs ? Val_prettyprint : Val_no_prettyprint;
- }
+ real_pretty = prettyprint_structs ? Val_prettyprint : Val_no_prettyprint;
QUIT;
return (0);
}
- return (LA_VAL_PRINT (type, valaddr, embedded_offset, address,
- stream, format, deref_ref, recurse, pretty));
+ TRY_CATCH (except, RETURN_MASK_ERROR)
+ {
+ ret = LA_VAL_PRINT (type, valaddr, embedded_offset, address,
+ stream, format, deref_ref, recurse, real_pretty);
+ }
+ if (except.reason < 0)
+ fprintf_filtered (stream, _("<error reading variable>"));
+
+ return ret;
}
/* Check whether the value VAL is printable. Return 1 if it is;
}
}
+void
+val_print_type_code_flags (struct type *type, const gdb_byte *valaddr,
+ struct ui_file *stream)
+{
+ ULONGEST val = unpack_long (type, valaddr);
+ int bitpos, nfields = TYPE_NFIELDS (type);
+
+ fputs_filtered ("[ ", stream);
+ for (bitpos = 0; bitpos < nfields; bitpos++)
+ {
+ if (TYPE_FIELD_BITPOS (type, bitpos) != -1
+ && (val & ((ULONGEST)1 << bitpos)))
+ {
+ if (TYPE_FIELD_NAME (type, bitpos))
+ fprintf_filtered (stream, "%s ", TYPE_FIELD_NAME (type, bitpos));
+ else
+ fprintf_filtered (stream, "#%d ", bitpos);
+ }
+ }
+ fputs_filtered ("]", stream);
+}
+
/* Print a number according to FORMAT which is one of d,u,x,o,b,h,w,g.
The raison d'etre of this function is to consolidate printing of
LONG_LONG's into this one function. The format chars b,h,w,g are
int inv;
const struct floatformat *fmt = NULL;
unsigned len = TYPE_LENGTH (type);
+ enum float_kind kind;
/* 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))
+ if (fmt != NULL)
{
- if (floatformat_is_negative (fmt, valaddr))
- fprintf_filtered (stream, "-");
- fprintf_filtered (stream, "nan(");
- fputs_filtered ("0x", stream);
- fputs_filtered (floatformat_mantissa (fmt, valaddr), stream);
- fprintf_filtered (stream, ")");
- return;
+ kind = floatformat_classify (fmt, valaddr);
+ if (kind == float_nan)
+ {
+ if (floatformat_is_negative (fmt, valaddr))
+ fprintf_filtered (stream, "-");
+ fprintf_filtered (stream, "nan(");
+ fputs_filtered ("0x", stream);
+ fputs_filtered (floatformat_mantissa (fmt, valaddr), stream);
+ fprintf_filtered (stream, ")");
+ return;
+ }
+ else if (kind == float_infinite)
+ {
+ if (floatformat_is_negative (fmt, valaddr))
+ fputs_filtered ("-", stream);
+ fputs_filtered ("inf", stream);
+ return;
+ }
}
/* NOTE: cagney/2002-01-15: The TYPE passed into print_floating()
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
+ not necessarily 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. */
#endif
}
+void
+print_decimal_floating (const gdb_byte *valaddr, struct type *type,
+ struct ui_file *stream)
+{
+ char decstr[MAX_DECIMAL_STRING];
+ unsigned len = TYPE_LENGTH (type);
+
+ decimal_to_string (valaddr, len, decstr);
+ fputs_filtered (decstr, stream);
+ return;
+}
+
void
print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr,
unsigned len)
/* FIXME: We should be not printing leading zeroes in most cases. */
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
{
for (p = valaddr;
p < valaddr + len;
carry = 0;
fputs_filtered ("0", stream);
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
{
for (p = valaddr;
p < valaddr + len;
#define CARRY_LEFT( x ) ((x) % TEN)
#define SHIFT( x ) ((x) << 4)
#define START_P \
- ((TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1)
+ ((gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) ? valaddr : valaddr + len - 1)
#define NOT_END_P \
- ((TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr))
+ ((gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) ? (p < valaddr + len) : (p >= valaddr))
#define NEXT_P \
- ((TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) ? p++ : p-- )
+ ((gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG) ? p++ : p-- )
#define LOW_NIBBLE( x ) ( (x) & 0x00F)
#define HIGH_NIBBLE( x ) (((x) & 0x0F0) >> 4)
/* FIXME: We should be not printing leading zeroes in most cases. */
fputs_filtered ("0x", stream);
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
{
for (p = valaddr;
p < valaddr + len;
{
const gdb_byte *p;
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
{
p = valaddr;
while (p < valaddr + len - 1 && *p == 0)
}
}
+/* Return non-zero if the debugger should print the index of each element
+ when printing array values. */
+
+int
+print_array_indexes_p (void)
+{
+ return print_array_indexes;
+}
+
+/* Assuming TYPE is a simple, non-empty array type, compute its lower bound.
+ Save it into LOW_BOUND if not NULL.
+
+ Return 1 if the operation was successful. Return zero otherwise,
+ in which case the value of LOW_BOUND is unmodified.
+
+ Computing the array lower bound is pretty easy, but this function
+ does some additional verifications before returning the low bound.
+ If something incorrect is detected, it is better to return a status
+ rather than throwing an error, making it easier for the caller to
+ implement an error-recovery plan. For instance, it may decide to
+ warn the user that the bound was not found and then use a default
+ value instead. */
+
+int
+get_array_low_bound (struct type *type, long *low_bound)
+{
+ struct type *index = TYPE_INDEX_TYPE (type);
+ long low = 0;
+
+ if (index == NULL)
+ return 0;
+
+ if (TYPE_CODE (index) != TYPE_CODE_RANGE
+ && TYPE_CODE (index) != TYPE_CODE_ENUM)
+ return 0;
+
+ low = TYPE_LOW_BOUND (index);
+ if (low > TYPE_HIGH_BOUND (index))
+ return 0;
+
+ if (low_bound)
+ *low_bound = low;
+
+ return 1;
+}
+
+/* Print on STREAM using the given FORMAT the index for the element
+ at INDEX of an array whose index type is INDEX_TYPE. */
+
+void
+maybe_print_array_index (struct type *index_type, LONGEST index,
+ struct ui_file *stream, int format,
+ enum val_prettyprint pretty)
+{
+ struct value *index_value;
+
+ if (!print_array_indexes)
+ return;
+
+ index_value = value_from_longest (index_type, index);
+
+ LA_PRINT_ARRAY_INDEX (index_value, stream, format, pretty);
+}
+
/* Called by various <lang>_val_print routines to print elements of an
array in the form "<elem1>, <elem2>, <elem3>, ...".
{
unsigned int things_printed = 0;
unsigned len;
- struct type *elttype;
+ struct type *elttype, *index_type;
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;
+ long low_bound_index = 0;
elttype = TYPE_TARGET_TYPE (type);
eltlen = TYPE_LENGTH (check_typedef (elttype));
len = TYPE_LENGTH (type) / eltlen;
+ index_type = TYPE_INDEX_TYPE (type);
+
+ /* Get the array low bound. This only makes sense if the array
+ has one or more element in it. */
+ if (len > 0 && !get_array_low_bound (type, &low_bound_index))
+ {
+ warning ("unable to get low bound of array, using zero as default");
+ low_bound_index = 0;
+ }
annotate_array_section_begin (i, elttype);
}
}
wrap_here (n_spaces (2 + 2 * recurse));
+ maybe_print_array_index (index_type, i + low_bound_index,
+ stream, format, pretty);
rep1 = i + 1;
reps = 1;
function be eliminated. */
static int
-partial_memory_read (CORE_ADDR memaddr, char *myaddr, int len, int *errnoptr)
+partial_memory_read (CORE_ADDR memaddr, gdb_byte *myaddr, int len, int *errnoptr)
{
int nread; /* Number of bytes actually read. */
int errcode; /* Error from last read. */
unsigned int fetchlimit; /* Maximum number of chars to print. */
unsigned int nfetch; /* Chars to fetch / chars fetched. */
unsigned int chunksize; /* Size of each fetch, in chars. */
- char *buffer = NULL; /* Dynamically growable fetch buffer. */
- char *bufptr; /* Pointer to next available byte in buffer. */
- char *limit; /* First location past end of fetch buffer. */
+ gdb_byte *buffer = NULL; /* Dynamically growable fetch buffer. */
+ gdb_byte *bufptr; /* Pointer to next available byte in buffer. */
+ gdb_byte *limit; /* First location past end of fetch buffer. */
struct cleanup *old_chain = NULL; /* Top of the old cleanup chain. */
int found_nul; /* Non-zero if we found the nul char */
if (len > 0)
{
- buffer = (char *) xmalloc (len * width);
+ buffer = (gdb_byte *) xmalloc (len * width);
bufptr = buffer;
old_chain = make_cleanup (xfree, buffer);
nfetch = min (chunksize, fetchlimit - bufsize);
if (buffer == NULL)
- buffer = (char *) xmalloc (nfetch * width);
+ buffer = (gdb_byte *) xmalloc (nfetch * width);
else
{
discard_cleanups (old_chain);
- buffer = (char *) xrealloc (buffer, (nfetch + bufsize) * width);
+ buffer = (gdb_byte *) xrealloc (buffer, (nfetch + bufsize) * width);
}
old_chain = make_cleanup (xfree, buffer);
if (len == -1 && !found_nul)
{
- char *peekbuf;
+ gdb_byte *peekbuf;
/* We didn't find a null terminator we were looking for. Attempt
to peek at the next character. If not successful, or it is not
a null byte, then force ellipsis to be printed. */
- peekbuf = (char *) alloca (width);
+ peekbuf = (gdb_byte *) alloca (width);
if (target_read_memory (addr, peekbuf, width) == 0
&& extract_unsigned_integer (peekbuf, width) != 0)
if (errcode == EIO)
{
fprintf_filtered (stream, " <Address ");
- deprecated_print_address_numeric (addr, 1, stream);
+ fputs_filtered (paddress (addr), stream);
fprintf_filtered (stream, " out of bounds>");
}
else
{
fprintf_filtered (stream, " <Error reading address ");
- deprecated_print_address_numeric (addr, 1, stream);
+ fputs_filtered (paddress (addr), stream);
fprintf_filtered (stream, ": %s>", safe_strerror (errcode));
}
}
Use 'show input-radix' or 'show output-radix' to independently show each."),
&showlist);
+ add_setshow_boolean_cmd ("array-indexes", class_support,
+ &print_array_indexes, _("\
+Set printing of array indexes."), _("\
+Show printing of array indexes"), NULL, NULL, show_print_array_indexes,
+ &setprintlist, &showprintlist);
+
/* Give people the defaults which they are used to. */
prettyprint_structs = 0;
prettyprint_arrays = 0;
projects / deliverable / binutils-gdb.git / blobdiff