/* Abstraction of GNU v2 abi.
- Copyright (C) 2001, 2002, 2003, 2005, 2007, 2008, 2009, 2010
+ Copyright (C) 2001, 2002, 2003, 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
if (TYPE_TARGET_TYPE (context) != type1)
{
struct value *tmp = value_cast (context, value_addr (arg1));
+
arg1 = value_ind (tmp);
type1 = check_typedef (value_type (arg1));
}
context_vptr_basetype);
/* With older versions of g++, the vtbl field pointed to an array
- of structures. Nowadays it points directly to the structure. */
+ of structures. Nowadays it points directly to the structure. */
if (TYPE_CODE (value_type (vtbl)) == TYPE_CODE_PTR
&& TYPE_CODE (TYPE_TARGET_TYPE (value_type (vtbl))) == TYPE_CODE_ARRAY)
{
/* Handle the case where the vtbl field points to an
- array of structures. */
+ array of structures. */
vtbl = value_ind (vtbl);
/* Index into the virtual function table. This is hard-coded because
}
else
{
- /* Handle the case where the vtbl field points directly to a structure. */
+ /* Handle the case where the vtbl field points directly to a
+ structure. */
vtbl = value_ptradd (vtbl, vi);
entry = value_ind (vtbl);
}
if (TYPE_CODE (entry_type) == TYPE_CODE_STRUCT)
{
- /* Move the `this' pointer according to the virtual function table. */
- set_value_offset (arg1, value_offset (arg1) + value_as_long (value_field (entry, 0)));
+ /* Move the `this' pointer according to the virtual function table. */
+ set_value_offset (arg1, value_offset (arg1)
+ + value_as_long (value_field (entry, 0)));
if (!value_lazy (arg1))
{
else
error (_("I'm confused: virtual function table has bad type"));
/* Reinstantiate the function pointer with the correct type. */
- deprecated_set_value_type (vfn, lookup_pointer_type (TYPE_FN_FIELD_TYPE (f, j)));
+ deprecated_set_value_type (vfn,
+ lookup_pointer_type (TYPE_FN_FIELD_TYPE (f, j)));
*arg1p = arg1;
return vfn;
{
struct type *known_type;
struct type *rtti_type;
- CORE_ADDR coreptr;
- struct value *vp;
- long top_offset = 0;
- char rtti_type_name[256];
CORE_ADDR vtbl;
struct minimal_symbol *minsym;
- struct symbol *sym;
char *demangled_name, *p;
struct type *btype;
struct type *known_type_vptr_basetype;
if (using_enc)
*using_enc = 0;
- /* Get declared type */
+ /* Get declared type. */
known_type = value_type (v);
CHECK_TYPEDEF (known_type);
- /* RTTI works only or class objects */
+ /* RTTI works only or class objects. */
if (TYPE_CODE (known_type) != TYPE_CODE_CLASS)
return NULL;
return NULL;
/* Make sure our basetype and known type match, otherwise, cast
- so we can get at the vtable properly.
- */
+ so we can get at the vtable properly. */
btype = known_type_vptr_basetype;
CHECK_TYPEDEF (btype);
if (btype != known_type )
if (using_enc)
*using_enc=1;
}
- /*
- We can't use value_ind here, because it would want to use RTTI, and
- we'd waste a bunch of time figuring out we already know the type.
- Besides, we don't care about the type, just the actual pointer
- */
+ /* We can't use value_ind here, because it would want to use RTTI, and
+ we'd waste a bunch of time figuring out we already know the type.
+ Besides, we don't care about the type, just the actual pointer. */
if (value_address (value_field (v, known_type_vptr_fieldno)) == 0)
return NULL;
vtbl = value_as_address (value_field (v, known_type_vptr_fieldno));
- /* Try to find a symbol that is the vtable */
+ /* Try to find a symbol that is the vtable. */
minsym=lookup_minimal_symbol_by_pc(vtbl);
if (minsym==NULL
|| (demangled_name=SYMBOL_LINKAGE_NAME (minsym))==NULL
|| !is_vtable_name (demangled_name))
return NULL;
- /* If we just skip the prefix, we get screwed by namespaces */
+ /* If we just skip the prefix, we get screwed by namespaces. */
demangled_name=cplus_demangle(demangled_name,DMGL_PARAMS|DMGL_ANSI);
p = strchr (demangled_name, ' ');
if (p)
*p = '\0';
- /* Lookup the type for the name */
- /* FIXME: chastain/2003-11-26: block=NULL is bogus. See pr gdb/1465. */
+ /* Lookup the type for the name. */
+ /* FIXME: chastain/2003-11-26: block=NULL is bogus. See pr gdb/1465. */
rtti_type = cp_lookup_rtti_type (demangled_name, NULL);
if (rtti_type == NULL)
return NULL;
if (TYPE_N_BASECLASSES(rtti_type) > 1 && full && (*full) != 1)
{
if (top)
- *top=TYPE_BASECLASS_BITPOS(rtti_type,TYPE_VPTR_FIELDNO(rtti_type))/8;
+ *top = TYPE_BASECLASS_BITPOS (rtti_type,
+ TYPE_VPTR_FIELDNO(rtti_type)) / 8;
if (top && ((*top) >0))
{
if (TYPE_LENGTH(rtti_type) > TYPE_LENGTH(known_type))
The result is the offset of the baseclass value relative
to (the address of)(ARG) + OFFSET.
- -1 is returned on error. */
+ -1 is returned on error. */
static int
gnuv2_baseclass_offset (struct type *type, int index,
if (vb_match (type, i, basetype))
{
CORE_ADDR addr
- = unpack_pointer (TYPE_FIELD_TYPE (type, i),
- valaddr + (TYPE_FIELD_BITPOS (type, i) / 8));
+ = unpack_pointer (TYPE_FIELD_TYPE (type, i),
+ valaddr + (TYPE_FIELD_BITPOS (type, i) / 8));
return addr - (LONGEST) address;
}
for (i = index + 1; i < n_baseclasses; i++)
{
int boffset =
- baseclass_offset (type, i, valaddr, address);
+ baseclass_offset (type, i, valaddr, address);
+
if (boffset)
return boffset;
}