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* cp-valprint.c (cp_print_value): Treat the 'skip' local as

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boolean.  Make sure to always pass a value that matches the
	contents buffer to callees.  Preserve `address' for following
	iterations.
	* value.c (value_contents_for_printing_const): New.
	(value_address): Constify value argument.
	* value.h (value_contents_for_printing_const): Declare.
	(value_address): Constify value argument.
This commit is contained in:
Pedro Alves 2011-01-25 15:18:36 +00:00
parent ee99023e12
commit de4127a3b2
4 changed files with 49 additions and 14 deletions
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11
gdb/ChangeLog
View File

@ -1,3 +1,14 @@
2011-01-25 Pedro Alves <pedro@codesourcery.com>
* cp-valprint.c (cp_print_value): Treat the 'skip' local as
boolean. Make sure to always pass a value that matches the
contents buffer to callees. Preserve `address' for following
iterations.
* value.c (value_contents_for_printing_const): New.
(value_address): Constify value argument.
* value.h (value_contents_for_printing_const): Declare.
(value_address): Constify value argument.
2011-01-25 Pedro Alves <pedro@codesourcery.com>
* regcache.c (struct regcache_descr): Rename

35
gdb/cp-valprint.c
View File

@ -488,6 +488,7 @@ cp_print_value (struct type *type, struct type *real_type,
struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
char *basename = TYPE_NAME (baseclass);
const gdb_byte *base_valaddr;
const struct value *base_val;
if (BASETYPE_VIA_VIRTUAL (type, i))
{
@ -509,7 +510,7 @@ cp_print_value (struct type *type, struct type *real_type,
boffset = baseclass_offset (type, i, valaddr + offset,
address + offset);
skip = ((boffset == -1) || (boffset + offset) < 0) ? 1 : -1;
skip = ((boffset == -1) || (boffset + offset) < 0);
if (BASETYPE_VIA_VIRTUAL (type, i))
{
@ -525,20 +526,28 @@ cp_print_value (struct type *type, struct type *real_type,
large. */
gdb_byte *buf = alloca (TYPE_LENGTH (baseclass));
base_valaddr = buf;
if (target_read_memory (address + boffset, buf,
TYPE_LENGTH (baseclass)) != 0)
skip = 1;
address = address + boffset;
base_val = value_from_contents_and_address (baseclass,
buf,
address + boffset);
thisoffset = 0;
boffset = 0;
thistype = baseclass;
base_valaddr = value_contents_for_printing_const (base_val);
}
else
base_valaddr = valaddr;
{
base_valaddr = valaddr;
base_val = val;
}
}
else
base_valaddr = valaddr;
{
base_valaddr = valaddr;
base_val = val;
}
/* Now do the printing. */
if (options->pretty)
@ -553,7 +562,7 @@ cp_print_value (struct type *type, struct type *real_type,
fputs_filtered ("> = ", stream);
if (skip >= 1)
if (skip)
fprintf_filtered (stream, "<invalid address>");
else
{
@ -564,15 +573,17 @@ cp_print_value (struct type *type, struct type *real_type,
if (!options->raw)
result = apply_val_pretty_printer (baseclass, base_valaddr,
thisoffset + boffset,
address,
stream, recurse,
val, options,
current_language);
value_address (base_val),
stream, recurse, base_val,
options, current_language);
if (!result)
cp_print_value_fields (baseclass, thistype, base_valaddr,
thisoffset + boffset, address,
stream, recurse, val, options,
thisoffset + boffset,
value_address (base_val),
stream, recurse, base_val, options,
((struct type **)
obstack_base (&dont_print_vb_obstack)),
0);

9
gdb/value.c
View File

@ -434,6 +434,13 @@ value_contents_for_printing (struct value *value)
return value->contents;
}
const gdb_byte *
value_contents_for_printing_const (const struct value *value)
{
gdb_assert (!value->lazy);
return value->contents;
}
const gdb_byte *
value_contents_all (struct value *value)
{
@ -596,7 +603,7 @@ deprecated_value_lval_hack (struct value *value)
}
CORE_ADDR
value_address (struct value *value)
value_address (const struct value *value)
{
if (value->lval == lval_internalvar
|| value->lval == lval_internalvar_component)

8
gdb/value.h
View File

@ -273,6 +273,12 @@ extern const gdb_byte *value_contents_all (struct value *);
plan to check the validity manually. */
extern const gdb_byte *value_contents_for_printing (struct value *value);
/* Like value_contents_for_printing, but accepts a constant value
pointer. Unlike value_contents_for_printing however, the pointed
value must _not_ be lazy. */
extern const gdb_byte *
value_contents_for_printing_const (const struct value *value);
extern int value_fetch_lazy (struct value *val);
extern int value_contents_equal (struct value *val1, struct value *val2);
@ -308,7 +314,7 @@ extern enum lval_type *deprecated_value_lval_hack (struct value *);
lval == lval_register, return the byte offset into the registers
structure. Otherwise, return 0. The returned address
includes the offset, if any. */
extern CORE_ADDR value_address (struct value *);
extern CORE_ADDR value_address (const struct value *);
/* Like value_address, except the result does not include value's
offset. */