/* Support for printing Ada values for GDB, the GNU debugger.
Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1997, 2001, 2002,
- 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GDB.
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 <ctype.h>
#include "defs.h"
+#include <ctype.h>
#include "gdb_string.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "exceptions.h"
#include "objfiles.h"
-/* Encapsulates arguments to ada_val_print. */
-struct ada_val_print_args
-{
- struct type *type;
- const gdb_byte *valaddr0;
- int embedded_offset;
- CORE_ADDR address;
- struct ui_file *stream;
- int recurse;
- const struct value_print_options *options;
-};
-
static void print_record (struct type *, const gdb_byte *, struct ui_file *,
- int, const struct value_print_options *);
+ int,
+ const struct value *,
+ const struct value_print_options *);
static int print_field_values (struct type *, const gdb_byte *,
struct ui_file *, int,
+ const struct value *,
const struct value_print_options *,
int, struct type *,
const gdb_byte *);
static void adjust_type_signedness (struct type *);
-static int ada_val_print_stub (void *args0);
-
static int ada_val_print_1 (struct type *, const gdb_byte *, int, CORE_ADDR,
struct ui_file *, int,
+ const struct value *,
const struct value_print_options *);
\f
const struct value_print_options *options)
{
struct type *index_type;
- long low_bound;
- long high_bound;
+ LONGEST low_bound;
+ LONGEST high_bound;
if (options->print_array_indexes)
return 0;
break;
}
- ada_print_scalar (index_type, (LONGEST) low_bound, stream);
+ ada_print_scalar (index_type, low_bound, stream);
fprintf_filtered (stream, " => ");
return 1;
}
val_print_packed_array_elements (struct type *type, const gdb_byte *valaddr,
int bitoffset, struct ui_file *stream,
int recurse,
+ const struct value *val,
const struct value_print_options *options)
{
unsigned int i;
{
LONGEST high;
+
if (get_discrete_bounds (index_type, &low, &high) < 0)
len = 1;
else
if (i - i0 > options->repeat_count_threshold)
{
struct value_print_options opts = *options;
+
opts.deref_ref = 0;
val_print (elttype, value_contents (v0), 0, 0, stream,
- recurse + 1, &opts, current_language);
+ recurse + 1, val, &opts, current_language);
annotate_elt_rep (i - i0);
fprintf_filtered (stream, _(" <repeats %u times>"), i - i0);
annotate_elt_rep_end ();
{
int j;
struct value_print_options opts = *options;
+
opts.deref_ref = 0;
for (j = i0; j < i; j += 1)
{
stream, options);
}
val_print (elttype, value_contents (v0), 0, 0, stream,
- recurse + 1, &opts, current_language);
+ recurse + 1, val, &opts, current_language);
annotate_elt ();
}
}
return (int) extract_unsigned_integer (string + 2 * i, 2, byte_order);
}
-/* Wrapper around memcpy to make it legal argument to ui_file_put */
+/* Wrapper around memcpy to make it legal argument to ui_file_put. */
static void
ui_memcpy (void *dest, const char *buffer, long len)
{
len = strlen (result);
/* Modify for Ada rules. */
-
+
s = strstr (result, "inf");
if (s == NULL)
s = strstr (result, "Inf");
/* Print the character string STRING, printing at most LENGTH characters.
Printing stops early if the number hits print_max; repeat counts
are printed as appropriate. Print ellipses at the end if we
- had to stop before printing LENGTH characters, or if
- FORCE_ELLIPSES. TYPE_LEN is the length (1 or 2) of the character type.
- */
+ had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
+ TYPE_LEN is the length (1 or 2) of the character type. */
static void
printstr (struct ui_file *stream, struct type *elttype, const gdb_byte *string,
}
void
-ada_printstr (struct ui_file *stream, struct type *type, const gdb_byte *string,
- unsigned int length, int force_ellipses,
+ada_printstr (struct ui_file *stream, struct type *type,
+ const gdb_byte *string, unsigned int length,
+ const char *encoding, int force_ellipses,
const struct value_print_options *options)
{
printstr (stream, type, string, length, force_ellipses, TYPE_LENGTH (type),
ada_val_print (struct type *type, const gdb_byte *valaddr0,
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
+ const struct value *val,
const struct value_print_options *options)
{
- struct ada_val_print_args args;
- args.type = type;
- args.valaddr0 = valaddr0;
- args.embedded_offset = embedded_offset;
- args.address = address;
- args.stream = stream;
- args.recurse = recurse;
- args.options = options;
-
- return catch_errors (ada_val_print_stub, &args, NULL, RETURN_MASK_ALL);
-}
+ volatile struct gdb_exception except;
+ int result = 0;
-/* Helper for ada_val_print; used as argument to catch_errors to
- unmarshal the arguments to ada_val_print_1, which does the work. */
-static int
-ada_val_print_stub (void *args0)
-{
- struct ada_val_print_args *argsp = (struct ada_val_print_args *) args0;
- return ada_val_print_1 (argsp->type, argsp->valaddr0,
- argsp->embedded_offset, argsp->address,
- argsp->stream, argsp->recurse, argsp->options);
+ TRY_CATCH (except, RETURN_MASK_ALL)
+ {
+ result = ada_val_print_1 (type, valaddr0, embedded_offset, address,
+ stream, recurse, val, options);
+ }
+
+ if (except.reason < 0)
+ result = 0;
+
+ return result;
}
/* Assuming TYPE is a simple array, print the value of this array located
static int
ada_val_print_array (struct type *type, const gdb_byte *valaddr,
CORE_ADDR address, struct ui_file *stream, int recurse,
+ const struct value *val,
const struct value_print_options *options)
{
enum bfd_endian byte_order = gdbarch_byte_order (get_type_arch (type));
struct type *elttype = TYPE_TARGET_TYPE (type);
- unsigned int eltlen;
- unsigned int len;
int result = 0;
- if (elttype == NULL)
- eltlen = 0;
- else
- eltlen = TYPE_LENGTH (elttype);
- if (eltlen == 0)
- len = 0;
- else
- len = TYPE_LENGTH (type) / eltlen;
-
/* For an array of chars, print with string syntax. */
if (ada_is_string_type (type)
&& (options->format == 0 || options->format == 's'))
{
+ unsigned int eltlen;
+ unsigned int len;
+
+ if (elttype == NULL)
+ eltlen = 0;
+ else
+ eltlen = TYPE_LENGTH (elttype);
+ if (eltlen == 0)
+ len = 0;
+ else
+ len = TYPE_LENGTH (type) / eltlen;
+
if (options->prettyprint_arrays)
print_spaces_filtered (2 + 2 * recurse, stream);
print_optional_low_bound (stream, type, options);
if (TYPE_FIELD_BITSIZE (type, 0) > 0)
val_print_packed_array_elements (type, valaddr, 0, stream,
- recurse, options);
+ recurse, val, options);
else
val_print_array_elements (type, valaddr, address, stream,
- recurse, options, 0);
+ recurse, val, options, 0);
fprintf_filtered (stream, ")");
}
ada_val_print_1 (struct type *type, const gdb_byte *valaddr0,
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
+ const struct value *original_value,
const struct value_print_options *options)
{
unsigned int len;
int i;
struct type *elttype;
- unsigned int eltlen;
LONGEST val;
const gdb_byte *valaddr = valaddr0 + embedded_offset;
int retn;
struct value *mark = value_mark ();
struct value *val;
+
val = value_from_contents_and_address (type, valaddr, address);
- val = ada_coerce_to_simple_array_ptr (val);
+ if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF) /* array access type. */
+ val = ada_coerce_to_simple_array_ptr (val);
+ else
+ val = ada_coerce_to_simple_array (val);
if (val == NULL)
{
- fprintf_filtered (stream, "(null)");
+ gdb_assert (TYPE_CODE (type) == TYPE_CODE_TYPEDEF);
+ fprintf_filtered (stream, "0x0");
retn = 0;
}
else
retn = ada_val_print_1 (value_type (val), value_contents (val), 0,
- value_address (val), stream, recurse, options);
+ value_address (val), stream, recurse,
+ NULL, options);
value_free_to_mark (mark);
return retn;
}
{
default:
return c_val_print (type, valaddr0, embedded_offset, address, stream,
- recurse, options);
+ recurse, original_value, options);
case TYPE_CODE_PTR:
{
int ret = c_val_print (type, valaddr0, embedded_offset, address,
- stream, recurse, options);
+ stream, recurse, original_value, options);
+
if (ada_is_tag_type (type))
{
struct value *val =
value_from_contents_and_address (type, valaddr, address);
const char *name = ada_tag_name (val);
+
if (name != NULL)
fprintf_filtered (stream, " (%s)", name);
return 0;
else if (TYPE_CODE (type) == TYPE_CODE_RANGE)
{
struct type *target_type = TYPE_TARGET_TYPE (type);
+
if (TYPE_LENGTH (type) != TYPE_LENGTH (target_type))
{
/* Obscure case of range type that has different length from
struct value *v = value_cast (target_type,
value_from_contents_and_address
(type, valaddr, 0));
+
return ada_val_print_1 (target_type, value_contents (v), 0, 0,
- stream, recurse + 1, options);
+ stream, recurse + 1, NULL, options);
}
else
return ada_val_print_1 (TYPE_TARGET_TYPE (type),
valaddr0, embedded_offset,
- address, stream, recurse, options);
+ address, stream, recurse,
+ original_value, options);
}
else
{
int format = (options->format ? options->format
: options->output_format);
+
if (format)
{
struct value_print_options opts = *options;
+
opts.format = format;
print_scalar_formatted (valaddr, type, &opts, 0, stream);
}
if (i < len)
{
const char *name = ada_enum_name (TYPE_FIELD_NAME (type, i));
+
if (name[0] == '\'')
fprintf_filtered (stream, "%ld %s", (long) val, name);
else
case TYPE_CODE_FLT:
if (options->format)
return c_val_print (type, valaddr0, embedded_offset, address, stream,
- recurse, options);
+ recurse, original_value, options);
else
ada_print_floating (valaddr0 + embedded_offset, type, stream);
break;
}
else
{
- print_record (type, valaddr, stream, recurse, options);
+ print_record (type, valaddr, stream, recurse, original_value,
+ options);
return 0;
}
case TYPE_CODE_ARRAY:
return ada_val_print_array (type, valaddr, address, stream,
- recurse, options);
+ recurse, original_value, options);
case TYPE_CODE_REF:
/* For references, the debugger is expected to print the value as
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
LONGEST deref_val_int = (LONGEST) unpack_pointer (type, valaddr);
+
if (deref_val_int != 0)
{
struct value *deref_val =
ada_value_ind (value_from_longest
(lookup_pointer_type (elttype),
deref_val_int));
+
val_print (value_type (deref_val),
value_contents (deref_val), 0,
value_address (deref_val), stream, recurse + 1,
- options, current_language);
+ original_value, options, current_language);
}
else
fputs_filtered ("(null)", stream);
static int
print_variant_part (struct type *type, int field_num, const gdb_byte *valaddr,
struct ui_file *stream, int recurse,
- const struct value_print_options *options, int comma_needed,
+ const struct value *val,
+ const struct value_print_options *options,
+ int comma_needed,
struct type *outer_type, const gdb_byte *outer_valaddr)
{
struct type *var_type = TYPE_FIELD_TYPE (type, field_num);
(TYPE_FIELD_TYPE (var_type, which),
valaddr + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT
+ TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT,
- stream, recurse, options,
+ stream, recurse, val, options,
comma_needed, outer_type, outer_valaddr);
}
ada_value_print (struct value *val0, struct ui_file *stream,
const struct value_print_options *options)
{
- const gdb_byte *valaddr = value_contents (val0);
- CORE_ADDR address = value_address (val0);
- struct type *type =
- ada_to_fixed_type (value_type (val0), valaddr, address, NULL, 1);
- struct value *val =
- value_from_contents_and_address (type, valaddr, address);
+ struct value *val = ada_to_fixed_value (val0);
+ CORE_ADDR address = value_address (val);
+ struct type *type = value_type (val);
struct value_print_options opts;
/* If it is a pointer, indicate what it points to. */
}
else if (ada_is_array_descriptor_type (type))
{
- fprintf_filtered (stream, "(");
- type_print (type, "", stream, -1);
- fprintf_filtered (stream, ") ");
+ /* We do not print the type description unless TYPE is an array
+ access type (this is encoded by the compiler as a typedef to
+ a fat pointer - hence the check against TYPE_CODE_TYPEDEF). */
+ if (TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
+ {
+ fprintf_filtered (stream, "(");
+ type_print (type, "", stream, -1);
+ fprintf_filtered (stream, ") ");
+ }
}
else if (ada_is_bogus_array_descriptor (type))
{
opts = *options;
opts.deref_ref = 1;
return (val_print (type, value_contents (val), 0, address,
- stream, 0, &opts, current_language));
+ stream, 0, val, &opts, current_language));
}
static void
print_record (struct type *type, const gdb_byte *valaddr,
struct ui_file *stream, int recurse,
+ const struct value *val,
const struct value_print_options *options)
{
type = ada_check_typedef (type);
fprintf_filtered (stream, "(");
- if (print_field_values (type, valaddr, stream, recurse, options,
+ if (print_field_values (type, valaddr, stream, recurse, val, options,
0, type, valaddr) != 0 && options->pretty)
{
fprintf_filtered (stream, "\n");
static int
print_field_values (struct type *type, const gdb_byte *valaddr,
struct ui_file *stream, int recurse,
+ const struct value *val,
const struct value_print_options *options,
int comma_needed,
struct type *outer_type, const gdb_byte *outer_valaddr)
print_field_values (TYPE_FIELD_TYPE (type, i),
valaddr
+ TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT,
- stream, recurse, options,
+ stream, recurse, val, options,
comma_needed, type, valaddr);
continue;
}
{
comma_needed =
print_variant_part (type, i, valaddr,
- stream, recurse, options, comma_needed,
+ stream, recurse, val, options, comma_needed,
outer_type, outer_valaddr);
continue;
}
/* Bitfields require special handling, especially due to byte
order problems. */
- if (TYPE_CPLUS_SPECIFIC (type) != NULL
- && TYPE_FIELD_IGNORE (type, i))
+ if (HAVE_CPLUS_STRUCT (type) && TYPE_FIELD_IGNORE (type, i))
{
fputs_filtered (_("<optimized out or zero length>"), stream);
}
opts = *options;
opts.deref_ref = 0;
val_print (TYPE_FIELD_TYPE (type, i), value_contents (v), 0, 0,
- stream, recurse + 1, &opts, current_language);
+ stream, recurse + 1, v,
+ &opts, current_language);
}
}
else
{
struct value_print_options opts = *options;
+
opts.deref_ref = 0;
ada_val_print (TYPE_FIELD_TYPE (type, i),
valaddr + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT,
- 0, 0, stream, recurse + 1, &opts);
+ 0, 0, stream, recurse + 1, val, &opts);
}
annotate_field_end ();
}
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