binutils-gdb/gdb/d-valprint.c
Joel Brobecker 61baf725ec update copyright year range in GDB files
This applies the second part of GDB's End of Year Procedure, which
updates the copyright year range in all of GDB's files.

gdb/ChangeLog:

        Update copyright year range in all GDB files.
2017-01-01 10:52:34 +04:00

96 lines
3.0 KiB
C

/* Support for printing D values for GDB, the GNU debugger.
Copyright (C) 2008-2017 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 3 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, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "gdbtypes.h"
#include "gdbcore.h"
#include "d-lang.h"
#include "c-lang.h"
/* Assuming that TYPE is a TYPE_CODE_STRUCT, verify that TYPE is a
dynamic array, and then print its value to STREAM. Return zero if
TYPE is a dynamic array, non-zero otherwise. */
static int
dynamic_array_type (struct type *type,
LONGEST embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
struct value *val,
const struct value_print_options *options)
{
if (TYPE_NFIELDS (type) == 2
&& TYPE_CODE (TYPE_FIELD_TYPE (type, 0)) == TYPE_CODE_INT
&& strcmp (TYPE_FIELD_NAME (type, 0), "length") == 0
&& strcmp (TYPE_FIELD_NAME (type, 1), "ptr") == 0
&& !value_bits_any_optimized_out (val,
TARGET_CHAR_BIT * embedded_offset,
TARGET_CHAR_BIT * TYPE_LENGTH (type)))
{
CORE_ADDR addr;
struct type *elttype;
struct type *true_type;
struct type *ptr_type;
struct value *ival;
int length;
const gdb_byte *valaddr = value_contents_for_printing (val);
length = unpack_field_as_long (type, valaddr + embedded_offset, 0);
ptr_type = TYPE_FIELD_TYPE (type, 1);
elttype = check_typedef (TYPE_TARGET_TYPE (ptr_type));
addr = unpack_pointer (ptr_type,
valaddr + TYPE_FIELD_BITPOS (type, 1) / 8
+ embedded_offset);
true_type = check_typedef (elttype);
true_type = lookup_array_range_type (true_type, 0, length - 1);
ival = value_at (true_type, addr);
true_type = value_type (ival);
d_val_print (true_type,
value_embedded_offset (ival), addr,
stream, recurse + 1, ival, options);
return 0;
}
return 1;
}
/* Implements the la_val_print routine for language D. */
void
d_val_print (struct type *type, int embedded_offset,
CORE_ADDR address, struct ui_file *stream, int recurse,
struct value *val,
const struct value_print_options *options)
{
int ret;
type = check_typedef (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_STRUCT:
ret = dynamic_array_type (type, embedded_offset, address,
stream, recurse, val, options);
if (ret == 0)
break;
default:
c_val_print (type, embedded_offset, address, stream,
recurse, val, options);
}
}