/* Support for printing Ada values for GDB, the GNU debugger.
- Copyright (C) 1986-2014 Free Software Foundation, Inc.
+ Copyright (C) 1986-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include <ctype.h>
-#include <string.h>
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "ada-lang.h"
#include "c-lang.h"
#include "infcall.h"
-#include "exceptions.h"
#include "objfiles.h"
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 *, int);
+ int, struct type *, int,
+ const struct language_defn *);
\f
/* Make TYPE unsigned if its range of values includes no negatives. */
index_type = TYPE_INDEX_TYPE (type);
- if (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
+ while (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
{
/* We need to know what the base type is, in order to do the
appropriate check below. Otherwise, if this is a subrange
unsigned int things_printed = 0;
unsigned len;
struct type *elttype, *index_type;
- unsigned eltlen;
unsigned long bitsize = TYPE_FIELD_BITSIZE (type, 0);
struct value *mark = value_mark ();
LONGEST low = 0;
elttype = TYPE_TARGET_TYPE (type);
- eltlen = TYPE_LENGTH (check_typedef (elttype));
index_type = TYPE_INDEX_TYPE (type);
{
(i * bitsize) / HOST_CHAR_BIT,
(i * bitsize) % HOST_CHAR_BIT,
bitsize, elttype);
- if (!value_available_contents_eq (v0, value_embedded_offset (v0),
- v1, value_embedded_offset (v1),
- eltlen))
+ if (TYPE_LENGTH (check_typedef (value_type (v0)))
+ != TYPE_LENGTH (check_typedef (value_type (v1))))
+ break;
+ if (!value_contents_eq (v0, value_embedded_offset (v0),
+ v1, value_embedded_offset (v1),
+ TYPE_LENGTH (check_typedef (value_type (v0)))))
break;
}
type_len, byte_order);
}
-/* Wrapper around memcpy to make it legal argument to ui_file_put. */
-static void
-ui_memcpy (void *dest, const char *buffer, long len)
-{
- memcpy (dest, buffer, (size_t) len);
- ((char *) dest)[len] = '\0';
-}
-
/* Print a floating-point value of type TYPE, pointed to in GDB by
VALADDR, on STREAM. Use Ada formatting conventions: there must be
a decimal point, and at least one digit before and after the
- point. We use GNAT format for NaNs and infinities. */
+ point. We use the GNAT format for NaNs and infinities. */
+
static void
ada_print_floating (const gdb_byte *valaddr, struct type *type,
struct ui_file *stream)
{
- char buffer[64];
char *s, *result;
struct ui_file *tmp_stream = mem_fileopen ();
struct cleanup *cleanups = make_cleanup_ui_file_delete (tmp_stream);
print_floating (valaddr, type, tmp_stream);
- ui_file_put (tmp_stream, ui_memcpy, buffer);
- do_cleanups (cleanups);
-
- result = buffer;
+ result = ui_file_xstrdup (tmp_stream, NULL);
+ make_cleanup (xfree, result);
/* Modify for Ada rules. */
fprintf_filtered (stream, "%s.0", result);
else
fprintf_filtered (stream, "%.*s.0%s", (int) (s-result), result, s);
- return;
}
- fprintf_filtered (stream, "%s", result);
+ else
+ fprintf_filtered (stream, "%s", result);
+
+ do_cleanups (cleanups);
}
void
options);
}
-
-/* Assuming TYPE is a simple array, print the value of this array located
- at VALADDR + OFFSET. See ada_val_print for a description of the various
- parameters of this function; they are identical. */
-
-static void
-ada_val_print_array (struct type *type, const gdb_byte *valaddr,
- int offset, CORE_ADDR address,
- struct ui_file *stream, int recurse,
- const struct value *val,
- const struct value_print_options *options)
-{
- /* For an array of chars, print with string syntax. */
- if (ada_is_string_type (type)
- && (options->format == 0 || options->format == 's'))
- {
- 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;
-
- /* We know that ELTTYPE cannot possibly be null, because we found
- that TYPE is a string-like type. Similarly, the size of ELTTYPE
- should also be non-null, since it's a character-like type. */
- gdb_assert (elttype != NULL);
- gdb_assert (TYPE_LENGTH (elttype) != 0);
-
- eltlen = TYPE_LENGTH (elttype);
- len = TYPE_LENGTH (type) / eltlen;
-
- if (options->prettyformat_arrays)
- print_spaces_filtered (2 + 2 * recurse, stream);
-
- /* If requested, look for the first null char and only print
- elements up to it. */
- if (options->stop_print_at_null)
- {
- int temp_len;
-
- /* Look for a NULL char. */
- for (temp_len = 0;
- (temp_len < len
- && temp_len < options->print_max
- && char_at (valaddr + offset,
- temp_len, eltlen, byte_order) != 0);
- temp_len += 1);
- len = temp_len;
- }
-
- printstr (stream, elttype, valaddr + offset, len, 0, eltlen, options);
- }
- else
- {
- fprintf_filtered (stream, "(");
- print_optional_low_bound (stream, type, options);
- if (TYPE_FIELD_BITSIZE (type, 0) > 0)
- val_print_packed_array_elements (type, valaddr, offset,
- 0, stream, recurse, val, options);
- else
- val_print_array_elements (type, valaddr, offset, address,
- stream, recurse, val, options, 0);
- fprintf_filtered (stream, ")");
- }
-}
-
static int
print_variant_part (struct type *type, int field_num,
const gdb_byte *valaddr, int offset,
const struct value *val,
const struct value_print_options *options,
int comma_needed,
- struct type *outer_type, int outer_offset)
+ struct type *outer_type, int outer_offset,
+ const struct language_defn *language)
{
struct type *var_type = TYPE_FIELD_TYPE (type, field_num);
int which = ada_which_variant_applies (var_type, outer_type,
offset + TYPE_FIELD_BITPOS (type, field_num) / HOST_CHAR_BIT
+ TYPE_FIELD_BITPOS (var_type, which) / HOST_CHAR_BIT,
stream, recurse, val, options,
- comma_needed, outer_type, outer_offset);
+ comma_needed, outer_type, outer_offset, language);
}
/* Print out fields of value at VALADDR + OFFSET having structure type TYPE.
const struct value *val,
const struct value_print_options *options,
int comma_needed,
- struct type *outer_type, int outer_offset)
+ struct type *outer_type, int outer_offset,
+ const struct language_defn *language)
{
int i, len;
(offset
+ TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT),
stream, recurse, val, options,
- comma_needed, type, offset);
+ comma_needed, type, offset, language);
continue;
}
else if (ada_is_variant_part (type, i))
print_variant_part (type, i, valaddr,
offset, stream, recurse, val,
options, comma_needed,
- outer_type, outer_offset);
+ outer_type, outer_offset, language);
continue;
}
value_contents_for_printing (v),
value_embedded_offset (v), 0,
stream, recurse + 1, v,
- &opts, current_language);
+ &opts, language);
}
}
else
struct value_print_options opts = *options;
opts.deref_ref = 0;
- ada_val_print (TYPE_FIELD_TYPE (type, i),
- valaddr,
- (offset
- + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT),
- 0, stream, recurse + 1, val, &opts);
+ val_print (TYPE_FIELD_TYPE (type, i), valaddr,
+ (offset + TYPE_FIELD_BITPOS (type, i) / HOST_CHAR_BIT),
+ 0, stream, recurse + 1, val, &opts, language);
}
annotate_field_end ();
}
return comma_needed;
}
+/* Implement Ada val_print'ing for the case where TYPE is
+ a TYPE_CODE_ARRAY of characters. */
+
+static void
+ada_val_print_string (struct type *type, const gdb_byte *valaddr,
+ int offset, int offset_aligned, CORE_ADDR address,
+ struct ui_file *stream, int recurse,
+ const struct value *original_value,
+ 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;
+
+ /* We know that ELTTYPE cannot possibly be null, because we assume
+ that we're called only when TYPE is a string-like type.
+ Similarly, the size of ELTTYPE should also be non-null, since
+ it's a character-like type. */
+ gdb_assert (elttype != NULL);
+ gdb_assert (TYPE_LENGTH (elttype) != 0);
+
+ eltlen = TYPE_LENGTH (elttype);
+ len = TYPE_LENGTH (type) / eltlen;
+
+ if (options->prettyformat_arrays)
+ print_spaces_filtered (2 + 2 * recurse, stream);
+
+ /* If requested, look for the first null char and only print
+ elements up to it. */
+ if (options->stop_print_at_null)
+ {
+ int temp_len;
+
+ /* Look for a NULL char. */
+ for (temp_len = 0;
+ (temp_len < len
+ && temp_len < options->print_max
+ && char_at (valaddr + offset_aligned,
+ temp_len, eltlen, byte_order) != 0);
+ temp_len += 1);
+ len = temp_len;
+ }
+
+ printstr (stream, elttype, valaddr + offset_aligned, len, 0,
+ eltlen, options);
+}
+
/* Implement Ada val_print-ing for GNAT arrays (Eg. fat pointers,
thin pointers, etc). */
if (print_field_values (type, valaddr, offset_aligned,
stream, recurse, original_value, options,
- 0, type, offset_aligned) != 0
+ 0, type, offset_aligned, language) != 0
&& options->prettyformat)
{
fprintf_filtered (stream, "\n");
fprintf_filtered (stream, ")");
}
+/* Implement Ada val_print'ing for the case where TYPE is
+ a TYPE_CODE_ARRAY. */
+
+static void
+ada_val_print_array (struct type *type, const gdb_byte *valaddr,
+ int offset, int offset_aligned, CORE_ADDR address,
+ struct ui_file *stream, int recurse,
+ const struct value *original_value,
+ const struct value_print_options *options)
+{
+ /* For an array of characters, print with string syntax. */
+ if (ada_is_string_type (type)
+ && (options->format == 0 || options->format == 's'))
+ {
+ ada_val_print_string (type, valaddr, offset, offset_aligned,
+ address, stream, recurse, original_value,
+ options);
+ return;
+ }
+
+ fprintf_filtered (stream, "(");
+ print_optional_low_bound (stream, type, options);
+ if (TYPE_FIELD_BITSIZE (type, 0) > 0)
+ val_print_packed_array_elements (type, valaddr, offset_aligned,
+ 0, stream, recurse,
+ original_value, options);
+ else
+ val_print_array_elements (type, valaddr, offset_aligned, address,
+ stream, recurse, original_value,
+ options, 0);
+ fprintf_filtered (stream, ")");
+}
+
/* Implement Ada val_print'ing for the case where TYPE is
a TYPE_CODE_REF. */
if (ada_is_tagged_type (value_type (deref_val), 1))
deref_val = ada_tag_value_at_base_address (deref_val);
+ /* Make sure that the object does not have an unreasonable size
+ before trying to print it. This can happen for instance with
+ references to dynamic objects whose contents is uninitialized
+ (Eg: an array whose bounds are not set yet). */
+ ada_ensure_varsize_limit (value_type (deref_val));
+
val_print (value_type (deref_val),
value_contents_for_printing (deref_val),
value_embedded_offset (deref_val),
offset_aligned = offset + ada_aligned_value_addr (type, valaddr) - valaddr;
type = printable_val_type (type, valaddr + offset_aligned);
+ type = resolve_dynamic_type (type, valaddr + offset_aligned,
+ address + offset_aligned);
switch (TYPE_CODE (type))
{
break;
case TYPE_CODE_ARRAY:
- ada_val_print_array (type, valaddr, offset_aligned,
+ ada_val_print_array (type, valaddr, offset, offset_aligned,
address, stream, recurse, original_value,
options);
return;
const struct value *val,
const struct value_print_options *options)
{
- volatile struct gdb_exception except;
/* XXX: this catches QUIT/ctrl-c as well. Isn't that busted? */
- TRY_CATCH (except, RETURN_MASK_ALL)
+ TRY
{
ada_val_print_1 (type, valaddr, embedded_offset, address,
stream, recurse, val, options,
current_language);
}
+ CATCH (except, RETURN_MASK_ALL)
+ {
+ }
+ END_CATCH
}
void
{
struct value *val = ada_to_fixed_value (val0);
CORE_ADDR address = value_address (val);
- struct type *type = ada_check_typedef (value_type (val));
+ struct type *type = ada_check_typedef (value_enclosing_type (val));
struct value_print_options opts;
/* If it is a pointer, indicate what it points to. */
projects / deliverable / binutils-gdb.git / blobdiff