static gcc_type
compile_cplus_convert_memberptr (compile_cplus_instance *instance,
struct type *type)
{
struct type *containing_class = TYPE_SELF_TYPE (type);
if (containing_class == nullptr)
return GCC_TYPE_NONE;
gcc_type class_type = instance->convert_type (containing_class);
gcc_type member_type
= instance->convert_type (TYPE_TARGET_TYPE (type));
return instance->plugin ().build_pointer_to_member_type
(class_type, member_type);
}
static int
m2_unbounded_array (struct type *type, struct ui_file *stream, int show,
int level, const struct type_print_options *flags)
{
if (m2_is_unbounded_array (type))
{
if (show > 0)
{
fputs_filtered ("ARRAY OF ", stream);
m2_print_type (TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 0)),
"", stream, 0, level, flags);
}
return 1;
}
return 0;
}
/* Print the range type named NAME: */
static void
print_range_type_named(char *name, struct ui_file *stream)
{
struct type *raw_type = ada_find_any_type(name);
struct type *base_type;
char *subtype_info;
if (raw_type == NULL)
base_type = builtin_type_int;
else if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE)
base_type = TYPE_TARGET_TYPE (raw_type);
else
base_type = raw_type;
subtype_info = strstr (name, "___XD");
if (subtype_info == NULL && raw_type == NULL)
fprintf_filtered (stream, "? .. ?");
else if (subtype_info == NULL)
print_range (raw_type, stream);
else
{
int prefix_len = subtype_info - name;
char *bounds_str;
int n;
subtype_info += 5;
bounds_str = strchr (subtype_info, '_');
n = 1;
if (*subtype_info == 'L')
{
print_range_bound (base_type, bounds_str, &n, stream);
subtype_info += 1;
}
else
print_dynamic_range_bound (base_type, name, prefix_len, "___L",
stream);
fprintf_filtered (stream, " .. ");
if (*subtype_info == 'U')
print_range_bound (base_type, bounds_str, &n, stream);
else
print_dynamic_range_bound (base_type, name, prefix_len, "___U",
stream);
}
}
static void
print_go_string (struct type *type,
LONGEST embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
struct value *val,
const struct value_print_options *options)
{
struct gdbarch *gdbarch = get_type_arch (type);
struct type *elt_ptr_type = TYPE_FIELD_TYPE (type, 0);
struct type *elt_type = TYPE_TARGET_TYPE (elt_ptr_type);
LONGEST length;
/* TODO(dje): The encapsulation of what a pointer is belongs in value.c.
I.e. If there's going to be unpack_pointer, there should be
unpack_value_field_as_pointer. Do this until we can get
unpack_value_field_as_pointer. */
LONGEST addr;
const gdb_byte *valaddr = value_contents_for_printing (val);
if (! unpack_value_field_as_long (type, valaddr, embedded_offset, 0,
val, &addr))
error (_("Unable to read string address"));
if (! unpack_value_field_as_long (type, valaddr, embedded_offset, 1,
val, &length))
error (_("Unable to read string length"));
/* TODO(dje): Print address of struct or actual string? */
if (options->addressprint)
{
fputs_filtered (paddress (gdbarch, addr), stream);
fputs_filtered (" ", stream);
}
if (length < 0)
{
fputs_filtered (_("<invalid length: "), stream);
fputs_filtered (plongest (addr), stream);
fputs_filtered (">", stream);
return;
}
/* TODO(dje): Perhaps we should pass "UTF8" for ENCODING.
The target encoding is a global switch.
Either choice is problematic. */
val_print_string (elt_type, NULL, addr, length, stream, options);
}
static void
print_range_type (struct type *raw_type, struct ui_file *stream)
{
const char *name;
struct type *base_type;
const char *subtype_info;
gdb_assert (raw_type != NULL);
name = TYPE_NAME (raw_type);
gdb_assert (name != NULL);
if (TYPE_CODE (raw_type) == TYPE_CODE_RANGE)
base_type = TYPE_TARGET_TYPE (raw_type);
else
base_type = raw_type;
subtype_info = strstr (name, "___XD");
if (subtype_info == NULL)
print_range (raw_type, stream);
else
{
int prefix_len = subtype_info - name;
char *bounds_str;
int n;
subtype_info += 5;
bounds_str = strchr (subtype_info, '_');
n = 1;
if (*subtype_info == 'L')
{
print_range_bound (base_type, bounds_str, &n, stream);
subtype_info += 1;
}
else
print_dynamic_range_bound (base_type, name, prefix_len, "___L",
stream);
fprintf_filtered (stream, " .. ");
if (*subtype_info == 'U')
print_range_bound (base_type, bounds_str, &n, stream);
else
print_dynamic_range_bound (base_type, name, prefix_len, "___U",
stream);
}
}
void
m2_range (struct type *type, struct ui_file *stream, int show,
int level)
{
if (TYPE_HIGH_BOUND (type) == TYPE_LOW_BOUND (type))
m2_print_type (TYPE_DOMAIN_TYPE (type), "", stream, show, level);
else
{
struct type *target = TYPE_TARGET_TYPE (type);
fprintf_filtered (stream, "[");
print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
fprintf_filtered (stream, "..");
print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
fprintf_filtered (stream, "]");
}
}
static PyObject *
stpy_convert_to_value (PyObject *self, PyObject *args)
{
lazy_string_object *self_string = (lazy_string_object *) self;
struct value *val = NULL;
if (self_string->address == 0)
{
PyErr_SetString (gdbpy_gdb_memory_error,
_("Cannot create a value from NULL."));
return NULL;
}
TRY
{
struct type *type = type_object_to_type (self_string->type);
struct type *realtype;
gdb_assert (type != NULL);
realtype = check_typedef (type);
switch (TYPE_CODE (realtype))
{
case TYPE_CODE_PTR:
/* If a length is specified we need to convert this to an array
of the specified size. */
if (self_string->length != -1)
{
/* PR 20786: There's no way to specify an array of length zero.
Record a length of [0,-1] which is how Ada does it. Anything
we do is broken, but this is one possible solution. */
type = lookup_array_range_type (TYPE_TARGET_TYPE (realtype),
0, self_string->length - 1);
val = value_at_lazy (type, self_string->address);
}
else
val = value_from_pointer (type, self_string->address);
break;
default:
val = value_at_lazy (type, self_string->address);
break;
}
}
CATCH (except, RETURN_MASK_ALL)
{
GDB_PY_HANDLE_EXCEPTION (except);
}
static void
print_range(struct type *the_type, struct ui_file *stream)
{
struct type *target_type;
target_type = TYPE_TARGET_TYPE(the_type);
if (target_type == NULL)
target_type = the_type;
switch (TYPE_CODE(target_type))
{
case TYPE_CODE_RANGE:
case TYPE_CODE_INT:
case TYPE_CODE_BOOL:
case TYPE_CODE_CHAR:
case TYPE_CODE_ENUM:
break;
default:
target_type = builtin_type_int;
break;
}
if (TYPE_NFIELDS(the_type) < 2)
{
/* A range needs at least 2 bounds to be printed. If there are less
than 2, just print the type name instead of the range itself.
This check handles cases such as characters, for example.
Note that if the name is not defined, then we don't print anything.
*/
fprintf_filtered(stream, "%.*s",
ada_name_prefix_len(TYPE_NAME(the_type)),
TYPE_NAME(the_type));
}
else
{
/* We extract the range type bounds respectively from the first element
and the last element of the type->fields array */
const LONGEST lower_bound = (LONGEST)TYPE_LOW_BOUND(the_type);
const LONGEST upper_bound =
(LONGEST)TYPE_FIELD_BITPOS(the_type, TYPE_NFIELDS(the_type) - 1);
ada_print_scalar(target_type, lower_bound, stream);
fprintf_filtered(stream, " .. ");
ada_print_scalar(target_type, upper_bound, stream);
}
}
static struct type *
get_regs_type (struct objfile *objfile)
{
struct symbol *func_sym;
struct type *func_type, *regsp_type, *regs_type;
func_sym = lookup_global_symbol_from_objfile (objfile,
GCC_FE_WRAPPER_FUNCTION,
VAR_DOMAIN);
if (func_sym == NULL)
error (_("Cannot find function \"%s\" in compiled module \"%s\"."),
GCC_FE_WRAPPER_FUNCTION, objfile_name (objfile));
func_type = SYMBOL_TYPE (func_sym);
if (TYPE_CODE (func_type) != TYPE_CODE_FUNC)
error (_("Invalid type code %d of function \"%s\" in compiled "
"module \"%s\"."),
TYPE_CODE (func_type), GCC_FE_WRAPPER_FUNCTION,
objfile_name (objfile));
/* No register parameter present. */
if (TYPE_NFIELDS (func_type) == 0)
return NULL;
if (TYPE_NFIELDS (func_type) != 1)
error (_("Invalid %d parameters of function \"%s\" in compiled "
"module \"%s\"."),
TYPE_NFIELDS (func_type), GCC_FE_WRAPPER_FUNCTION,
objfile_name (objfile));
regsp_type = check_typedef (TYPE_FIELD_TYPE (func_type, 0));
if (TYPE_CODE (regsp_type) != TYPE_CODE_PTR)
error (_("Invalid type code %d of first parameter of function \"%s\" "
"in compiled module \"%s\"."),
TYPE_CODE (regsp_type), GCC_FE_WRAPPER_FUNCTION,
objfile_name (objfile));
regs_type = check_typedef (TYPE_TARGET_TYPE (regsp_type));
if (TYPE_CODE (regs_type) != TYPE_CODE_STRUCT)
error (_("Invalid type code %d of dereferenced first parameter "
"of function \"%s\" in compiled module \"%s\"."),
TYPE_CODE (regs_type), GCC_FE_WRAPPER_FUNCTION,
objfile_name (objfile));
return regs_type;
}
static void
m2_print_bounds (struct type *type,
struct ui_file *stream, int show, int level,
int print_high)
{
struct type *target = TYPE_TARGET_TYPE (type);
if (target == NULL)
target = builtin_type_int;
if (TYPE_NFIELDS(type) == 0)
return;
if (print_high)
print_type_scalar (target, TYPE_HIGH_BOUND (type), stream);
else
print_type_scalar (target, TYPE_LOW_BOUND (type), stream);
}
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,
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);
}
static void
f77_create_arrayprint_offset_tbl (struct type *type, struct ui_file *stream)
{
struct type *tmp_type;
int eltlen;
int ndimen = 1;
int upper, lower, retcode;
tmp_type = type;
while ((TYPE_CODE (tmp_type) == TYPE_CODE_ARRAY))
{
if (TYPE_ARRAY_UPPER_BOUND_TYPE (tmp_type) == BOUND_CANNOT_BE_DETERMINED)
fprintf_filtered (stream, "<assumed size array> ");
retcode = f77_get_dynamic_upperbound (tmp_type, &upper);
if (retcode == BOUND_FETCH_ERROR)
error ("Cannot obtain dynamic upper bound");
retcode = f77_get_dynamic_lowerbound (tmp_type, &lower);
if (retcode == BOUND_FETCH_ERROR)
error ("Cannot obtain dynamic lower bound");
F77_DIM_SIZE (ndimen) = upper - lower + 1;
tmp_type = TYPE_TARGET_TYPE (tmp_type);
ndimen++;
}
/* Now we multiply eltlen by all the offsets, so that later we
can print out array elements correctly. Up till now we
know an offset to apply to get the item but we also
have to know how much to add to get to the next item */
ndimen--;
eltlen = TYPE_LENGTH (tmp_type);
F77_DIM_OFFSET (ndimen) = eltlen;
while (--ndimen > 0)
{
eltlen *= F77_DIM_SIZE (ndimen + 1);
F77_DIM_OFFSET (ndimen) = eltlen;
}
}
static int
dynamic_array_type (struct type *type, const gdb_byte *valaddr,
int embedded_offset, CORE_ADDR address,
struct ui_file *stream, int recurse,
const 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;
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_contents_for_printing (ival),
value_embedded_offset (ival), addr,
stream, recurse + 1, ival, options);
return 0;
}
return 1;
}
static int
print_optional_low_bound (struct ui_file *stream, struct type *type)
{
struct type *index_type;
long low_bound;
if (print_array_indexes_p ())
return 0;
if (!get_array_low_bound (type, &low_bound))
return 0;
index_type = TYPE_INDEX_TYPE (type);
if (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
of an enumerated type, where the underlying value of the
first element is typically 0, we might test the low bound
against the wrong value. */
index_type = TYPE_TARGET_TYPE (index_type);
}
switch (TYPE_CODE (index_type))
{
case TYPE_CODE_ENUM:
if (low_bound == TYPE_FIELD_BITPOS (index_type, 0))
return 0;
break;
case TYPE_CODE_UNDEF:
index_type = builtin_type_long;
/* FALL THROUGH */
default:
if (low_bound == 1)
return 0;
break;
}
ada_print_scalar (index_type, (LONGEST) low_bound, stream);
fprintf_filtered (stream, " => ");
return 1;
}
void
go_print_type (struct type *type, const char *varstring,
struct ui_file *stream, int show, int level,
const struct type_print_options *flags)
{
/* Borrowed from c-typeprint.c. */
if (show > 0)
type = check_typedef (type);
/* Print the type of "abc" as "string", not char[4]. */
if (TYPE_CODE (type) == TYPE_CODE_ARRAY
&& TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CHAR)
{
fputs_filtered ("string", stream);
return;
}
/* Punt the rest to C for now. */
c_print_type (type, varstring, stream, show, level, flags);
}
static gcc_type
compile_cplus_convert_reference (compile_cplus_instance *instance,
struct type *type)
{
gcc_type target = instance->convert_type (TYPE_TARGET_TYPE (type));
enum gcc_cp_ref_qualifiers quals = GCC_CP_REF_QUAL_NONE;
switch (TYPE_CODE (type))
{
case TYPE_CODE_REF:
quals = GCC_CP_REF_QUAL_LVALUE;
break;
case TYPE_CODE_RVALUE_REF:
quals = GCC_CP_REF_QUAL_RVALUE;
break;
default:
gdb_assert_not_reached ("unexpected type code for reference type");
}
return instance->convert_reference_base (target, quals);
}
static int
print_optional_low_bound (struct ui_file *stream, struct type *type)
{
struct type *index_type;
long low_bound;
index_type = TYPE_INDEX_TYPE (type);
low_bound = 0;
if (index_type == NULL)
return 0;
if (TYPE_CODE (index_type) == TYPE_CODE_RANGE)
{
low_bound = TYPE_LOW_BOUND (index_type);
if (low_bound > TYPE_HIGH_BOUND (index_type))
return 0;
index_type = TYPE_TARGET_TYPE (index_type);
}
else
return 0;
switch (TYPE_CODE (index_type))
{
case TYPE_CODE_ENUM:
if (low_bound == TYPE_FIELD_BITPOS (index_type, 0))
return 0;
break;
case TYPE_CODE_UNDEF:
index_type = builtin_type_long;
/* FALL THROUGH */
default:
if (low_bound == 1)
return 0;
break;
}
ada_print_scalar (index_type, (LONGEST) low_bound, stream);
fprintf_filtered (stream, " => ");
return 1;
}
static void
print_variant_clauses (struct type *type, int field_num,
struct type *outer_type, struct ui_file *stream,
int show, int level,
const struct type_print_options *flags)
{
int i;
struct type *var_type, *par_type;
struct type *discr_type;
var_type = TYPE_FIELD_TYPE (type, field_num);
discr_type = ada_variant_discrim_type (var_type, outer_type);
if (TYPE_CODE (var_type) == TYPE_CODE_PTR)
{
var_type = TYPE_TARGET_TYPE (var_type);
if (var_type == NULL || TYPE_CODE (var_type) != TYPE_CODE_UNION)
return;
}
par_type = ada_find_parallel_type (var_type, "___XVU");
if (par_type != NULL)
var_type = par_type;
for (i = 0; i < TYPE_NFIELDS (var_type); i += 1)
{
fprintf_filtered (stream, "\n%*swhen ", level + 4, "");
if (print_choices (var_type, i, stream, discr_type))
{
if (print_record_field_types (TYPE_FIELD_TYPE (var_type, i),
outer_type, stream, show, level + 4,
flags)
<= 0)
fprintf_filtered (stream, " null;");
}
else
print_selected_record_field_types (var_type, outer_type, i, i,
stream, show, level + 4, flags);
}
}
int
is_object_type (struct type *type)
{
CHECK_TYPEDEF (type);
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type));
const char *name;
if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT)
return 0;
while (TYPE_N_BASECLASSES (ttype) > 0)
ttype = TYPE_BASECLASS (ttype, 0);
name = TYPE_TAG_NAME (ttype);
if (name != NULL && strcmp (name, "java.lang.Object") == 0)
return 1;
name
= TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0;
if (name != NULL && strcmp (name, "vtable") == 0)
return 1;
}
return 0;
}
static void
pascal_type_print_func_varspec_suffix (struct type *type, struct ui_file *stream,
int show, int passed_a_ptr,
int demangled_args,
const struct type_print_options *flags)
{
if (TYPE_TARGET_TYPE (type) == NULL
|| TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_VOID)
{
fprintf_filtered (stream, " : ");
pascal_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
stream, 0, 0, flags);
if (TYPE_TARGET_TYPE (type) == NULL)
type_print_unknown_return_type (stream);
else
pascal_type_print_base (TYPE_TARGET_TYPE (type), stream, show, 0,
flags);
pascal_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0,
passed_a_ptr, 0, flags);
}
}
/* Return a virtual function as a value.
ARG1 is the object which provides the virtual function
table pointer. *ARG1P is side-effected in calling this function.
F is the list of member functions which contains the desired virtual
function.
J is an index into F which provides the desired virtual function.
TYPE is the type in which F is located. */
static struct value *
gnuv2_virtual_fn_field (struct value **arg1p, struct fn_field * f, int j,
struct type * type, int offset)
{
struct value *arg1 = *arg1p;
struct type *type1 = check_typedef (value_type (arg1));
struct type *entry_type;
/* First, get the virtual function table pointer. That comes
with a strange type, so cast it to type `pointer to long' (which
should serve just fine as a function type). Then, index into
the table, and convert final value to appropriate function type. */
struct value *entry;
struct value *vfn;
struct value *vtbl;
struct value *vi = value_from_longest (builtin_type_int,
(LONGEST) TYPE_FN_FIELD_VOFFSET (f, j));
struct type *fcontext = TYPE_FN_FIELD_FCONTEXT (f, j);
struct type *context;
if (fcontext == NULL)
/* We don't have an fcontext (e.g. the program was compiled with
g++ version 1). Try to get the vtbl from the TYPE_VPTR_BASETYPE.
This won't work right for multiple inheritance, but at least we
should do as well as GDB 3.x did. */
fcontext = TYPE_VPTR_BASETYPE (type);
context = lookup_pointer_type (fcontext);
/* Now context is a pointer to the basetype containing the vtbl. */
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 = type1;
/* Now context is the basetype containing the vtbl. */
/* This type may have been defined before its virtual function table
was. If so, fill in the virtual function table entry for the
type now. */
if (TYPE_VPTR_FIELDNO (context) < 0)
fill_in_vptr_fieldno (context);
/* The virtual function table is now an array of structures
which have the form { int16 offset, delta; void *pfn; }. */
vtbl = value_primitive_field (arg1, 0, TYPE_VPTR_FIELDNO (context),
TYPE_VPTR_BASETYPE (context));
/* With older versions of g++, the vtbl field pointed to an array
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. */
vtbl = value_ind (vtbl);
/* Index into the virtual function table. This is hard-coded because
looking up a field is not cheap, and it may be important to save
time, e.g. if the user has set a conditional breakpoint calling
a virtual function. */
entry = value_subscript (vtbl, vi);
}
else
{
/* Handle the case where the vtbl field points directly to a structure. */
vtbl = value_add (vtbl, vi);
entry = value_ind (vtbl);
}
entry_type = check_typedef (value_type (entry));
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)));
if (!value_lazy (arg1))
{
set_value_lazy (arg1, 1);
value_fetch_lazy (arg1);
}
vfn = value_field (entry, 2);
}
else if (TYPE_CODE (entry_type) == TYPE_CODE_PTR)
vfn = entry;
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)));
*arg1p = arg1;
return vfn;
}
int
c_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset,
CORE_ADDR address, struct ui_file *stream, int format,
int deref_ref, int recurse, enum val_prettyprint pretty)
{
unsigned int i = 0; /* Number of characters printed */
unsigned len;
struct type *elttype;
unsigned eltlen;
LONGEST val;
CORE_ADDR addr;
int vector_int8s = 0;
int vector_floats = 0;
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_ARRAY:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
{
eltlen = TYPE_LENGTH (elttype);
len = TYPE_LENGTH (type) / eltlen;
if (prettyprint_arrays)
{
print_spaces_filtered (2 + 2 * recurse, stream);
}
/* APPLE LOCAL: gdb will print the int8_t elements of a vector
register as a string or as characters -- neither of which is
what the user expects 99% of the time. Instead, detect that
we're looking at a vector's int8_t array and treat it
specially. */
if (eltlen == 1
&& TYPE_VECTOR (type)
&& TYPE_CODE (elttype) == TYPE_CODE_INT
&& format == 0)
{
vector_int8s = 1;
}
/* APPLE LOCAL: Detect if we're about to print an array of
v4_float or v2_doubles in a vector register */
if ((eltlen == 4 || eltlen == 8)
&& TYPE_VECTOR (type)
&& TYPE_CODE (elttype) == TYPE_CODE_FLT)
{
vector_floats = 1;
}
/* For an array of chars, print with string syntax. */
if (eltlen == 1 &&
((TYPE_CODE (elttype) == TYPE_CODE_INT)
|| ((current_language->la_language == language_m2)
&& (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
&& (format == 0 || format == 's')
&& vector_int8s == 0)
{
/* If requested, look for the first null char and only print
elements up to it. */
if (stop_print_at_null)
{
unsigned int temp_len;
/* Look for a NULL char. */
for (temp_len = 0;
(valaddr + embedded_offset)[temp_len]
&& temp_len < len && temp_len < print_max;
temp_len++);
len = temp_len;
}
LA_PRINT_STRING (stream, valaddr + embedded_offset, len, eltlen, 0);
i = len;
}
else
{
fprintf_filtered (stream, "{");
/* If this is a virtual function table, print the 0th
entry specially, and the rest of the members normally. */
if (cp_is_vtbl_ptr_type (elttype))
{
i = 1;
fprintf_filtered (stream, _("%d vtable entries"), len - 1);
}
else
{
i = 0;
}
/* If this is an array of int8_t's in a vector register,
force it to print as decimal by default, not as
decimal value + octal escaped char. */
if (format == 0 && vector_int8s)
format = 'd';
/* If this is an array of v4_float or v2_doubles in a vector
register, force it to print with the '%a' floating point hex
formatter when "p/x" is used. Default formatter remains the
'%g' style. */
if (format == 'x' && vector_floats)
format = 'A';
val_print_array_elements (type, valaddr + embedded_offset,
address, stream, format, deref_ref,
recurse, pretty, i);
fprintf_filtered (stream, "}");
}
break;
}
/* Array of unspecified length: treat like pointer to first elt. */
addr = address;
goto print_unpacked_pointer;
case TYPE_CODE_PTR:
if (format && format != 's')
{
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
break;
}
if (vtblprint && cp_is_vtbl_ptr_type (type))
{
/* Print the unmangled name if desired. */
/* Print vtable entry - we only get here if we ARE using
-fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */
CORE_ADDR addr
= extract_typed_address (valaddr + embedded_offset, type);
print_function_pointer_address (addr, stream);
break;
}
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_METHOD)
{
cp_print_class_method (valaddr + embedded_offset, type, stream);
}
else if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
{
cp_print_class_member (valaddr + embedded_offset,
TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)),
stream, "&");
}
else
{
addr = unpack_pointer (type, valaddr + embedded_offset);
print_unpacked_pointer:
if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
{
/* Try to print what function it points to. */
print_function_pointer_address (addr, stream);
/* Return value is irrelevant except for string pointers. */
return (0);
}
if (addressprint && format != 's')
{
deprecated_print_address_numeric (addr, 1, stream);
}
/* For a pointer to char or unsigned char, also print the string
pointed to, unless pointer is null. */
/* FIXME: need to handle wchar_t here... */
if (TYPE_LENGTH (elttype) == 1
&& TYPE_CODE (elttype) == TYPE_CODE_INT
&& (format == 0 || format == 's')
&& addr != 0)
{
i = val_print_string (addr, -1, TYPE_LENGTH (elttype), stream);
}
else if (cp_is_vtbl_member (type))
{
/* print vtbl's nicely */
CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset);
struct minimal_symbol *msymbol =
lookup_minimal_symbol_by_pc (vt_address);
if ((msymbol != NULL) &&
(vt_address == SYMBOL_VALUE_ADDRESS (msymbol)))
{
fputs_filtered (" <", stream);
fputs_filtered (SYMBOL_PRINT_NAME (msymbol), stream);
fputs_filtered (">", stream);
}
if (vt_address && vtblprint)
{
struct value *vt_val;
struct symbol *wsym = (struct symbol *) NULL;
struct type *wtype;
struct block *block = (struct block *) NULL;
int is_this_fld;
if (msymbol != NULL)
wsym = lookup_symbol (DEPRECATED_SYMBOL_NAME (msymbol), block,
VAR_DOMAIN, &is_this_fld, NULL);
if (wsym)
{
wtype = SYMBOL_TYPE (wsym);
}
else
{
wtype = TYPE_TARGET_TYPE (type);
}
vt_val = value_at (wtype, vt_address);
common_val_print (vt_val, stream, format,
deref_ref, recurse + 1, pretty);
if (pretty)
{
fprintf_filtered (stream, "\n");
print_spaces_filtered (2 + 2 * recurse, stream);
}
}
}
/* Return number of characters printed, including the terminating
'\0' if we reached the end. val_print_string takes care including
the terminating '\0' if necessary. */
return i;
}
break;
case TYPE_CODE_MEMBER:
error (_("not implemented: member type in c_val_print"));
break;
case TYPE_CODE_REF:
elttype = check_typedef (TYPE_TARGET_TYPE (type));
if (TYPE_CODE (elttype) == TYPE_CODE_MEMBER)
{
cp_print_class_member (valaddr + embedded_offset,
TYPE_DOMAIN_TYPE (elttype),
stream, "");
break;
}
if (addressprint)
{
CORE_ADDR addr
= extract_typed_address (valaddr + embedded_offset, type);
fprintf_filtered (stream, "@");
deprecated_print_address_numeric (addr, 1, stream);
if (deref_ref)
fputs_filtered (": ", stream);
}
/* De-reference the reference. */
if (deref_ref)
{
if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
{
struct value *deref_val =
value_at
(TYPE_TARGET_TYPE (type),
unpack_pointer (lookup_pointer_type (builtin_type_void),
valaddr + embedded_offset));
common_val_print (deref_val, stream, format, deref_ref,
recurse, pretty);
}
else
fputs_filtered ("???", stream);
}
break;
case TYPE_CODE_UNION:
if (recurse && !unionprint)
{
fprintf_filtered (stream, "{...}");
break;
}
/* Fall through. */
case TYPE_CODE_STRUCT:
/*FIXME: Abstract this away */
if (vtblprint && cp_is_vtbl_ptr_type (type))
{
/* Print the unmangled name if desired. */
/* Print vtable entry - we only get here if NOT using
-fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */
int offset = (embedded_offset +
TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8);
struct type *field_type = TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET);
CORE_ADDR addr
= extract_typed_address (valaddr + offset, field_type);
print_function_pointer_address (addr, stream);
}
else
cp_print_value_fields (type, type, valaddr, embedded_offset, address, stream, format,
recurse, pretty, NULL, 0);
break;
case TYPE_CODE_ENUM:
if (format)
{
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
break;
}
len = TYPE_NFIELDS (type);
val = unpack_long (type, valaddr + embedded_offset);
for (i = 0; i < len; i++)
{
QUIT;
if (val == TYPE_FIELD_BITPOS (type, i))
{
break;
}
}
if (i < len)
{
fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
}
else
{
print_longest (stream, 'd', 0, val);
}
break;
case TYPE_CODE_FUNC:
if (format)
{
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
break;
}
/* FIXME, we should consider, at least for ANSI C language, eliminating
the distinction made between FUNCs and POINTERs to FUNCs. */
fprintf_filtered (stream, "{");
type_print (type, "", stream, -1);
fprintf_filtered (stream, "} ");
/* Try to print what function it points to, and its address. */
print_address_demangle (address, stream, demangle);
break;
case TYPE_CODE_BOOL:
format = format ? format : output_format;
if (format)
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
else
{
val = unpack_long (type, valaddr + embedded_offset);
if (val == 0)
fputs_filtered ("false", stream);
else if (val == 1)
fputs_filtered ("true", stream);
else
print_longest (stream, 'd', 0, val);
}
break;
case TYPE_CODE_RANGE:
/* FIXME: create_range_type does not set the unsigned bit in a
range type (I think it probably should copy it from the target
type), so we won't print values which are too large to
fit in a signed integer correctly. */
/* FIXME: Doesn't handle ranges of enums correctly. (Can't just
print with the target type, though, because the size of our type
and the target type might differ). */
/* FALLTHROUGH */
case TYPE_CODE_INT:
format = format ? format : output_format;
if (format)
{
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
}
else
{
val_print_type_code_int (type, valaddr + embedded_offset, stream);
/* C and C++ has no single byte int type, char is used instead.
Since we don't know whether the value is really intended to
be used as an integer or a character, print the character
equivalent as well. */
if (TYPE_LENGTH (type) == 1)
{
fputs_filtered (" ", stream);
LA_PRINT_CHAR ((unsigned char) unpack_long (type, valaddr + embedded_offset),
stream);
}
}
break;
case TYPE_CODE_CHAR:
format = format ? format : output_format;
if (format)
{
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
}
else
{
val = unpack_long (type, valaddr + embedded_offset);
if (TYPE_UNSIGNED (type))
fprintf_filtered (stream, "%u", (unsigned int) val);
else
fprintf_filtered (stream, "%d", (int) val);
fputs_filtered (" ", stream);
LA_PRINT_CHAR ((unsigned char) val, stream);
}
break;
case TYPE_CODE_FLT:
if (format)
{
print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream);
}
else
{
print_floating (valaddr + embedded_offset, type, stream);
}
break;
case TYPE_CODE_METHOD:
{
struct value *v = value_at (type, address);
cp_print_class_method (value_contents (value_addr (v)),
lookup_pointer_type (type), stream);
break;
}
case TYPE_CODE_VOID:
fprintf_filtered (stream, "void");
break;
case TYPE_CODE_ERROR:
/* APPLE LOCAL display error as unknown type */
fprintf_filtered (stream, _("<unknown type>"));
break;
case TYPE_CODE_UNDEF:
/* This happens (without TYPE_FLAG_STUB set) on systems which don't use
dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar"
and no complete type for struct foo in that file. */
fprintf_filtered (stream, _("<incomplete type>"));
break;
case TYPE_CODE_COMPLEX:
if (format)
print_scalar_formatted (valaddr + embedded_offset,
TYPE_TARGET_TYPE (type),
format, 0, stream);
else
print_floating (valaddr + embedded_offset, TYPE_TARGET_TYPE (type),
stream);
fprintf_filtered (stream, " + ");
if (format)
print_scalar_formatted (valaddr + embedded_offset
+ TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
TYPE_TARGET_TYPE (type),
format, 0, stream);
else
print_floating (valaddr + embedded_offset
+ TYPE_LENGTH (TYPE_TARGET_TYPE (type)),
TYPE_TARGET_TYPE (type),
stream);
fprintf_filtered (stream, " * I");
break;
default:
error (_("Invalid C/C++ type code %d in symbol table."), TYPE_CODE (type));
}
gdb_flush (stream);
return (0);
}
int
c_value_print (struct value *val, struct ui_file *stream, int format,
enum val_prettyprint pretty)
{
struct type *type, *real_type;
int full, top, using_enc;
/* If it is a pointer, indicate what it points to.
Print type also if it is a reference.
C++: if it is a member pointer, we will take care
of that when we print it. */
type = check_typedef (value_type (val));
if (TYPE_CODE (type) == TYPE_CODE_PTR
|| TYPE_CODE (type) == TYPE_CODE_REF)
{
/* Hack: remove (char *) for char strings. Their
type is indicated by the quoted string anyway. */
if (TYPE_CODE (type) == TYPE_CODE_PTR
&& TYPE_NAME (type) == NULL
&& TYPE_NAME (TYPE_TARGET_TYPE (type)) != NULL
&& strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type)), "char") == 0)
{
/* Print nothing */
}
else if (objectprint && (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_CLASS))
{
if (TYPE_CODE(type) == TYPE_CODE_REF)
{
/* Copy value, change to pointer, so we don't get an
* error about a non-pointer type in value_rtti_target_type
*/
struct value *temparg;
temparg=value_copy(val);
deprecated_set_value_type (temparg, lookup_pointer_type (TYPE_TARGET_TYPE(type)));
val=temparg;
}
/* Pointer to class, check real type of object */
fprintf_filtered (stream, "(");
real_type = value_rtti_target_type (val, &full, &top, &using_enc);
if (real_type)
{
/* RTTI entry found */
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
/* create a pointer type pointing to the real type */
type = lookup_pointer_type (real_type);
}
else
{
/* create a reference type referencing the real type */
type = lookup_reference_type (real_type);
}
/* JYG: Need to adjust pointer value. */
/* NOTE: cagney/2005-01-02: THIS IS BOGUS. */
value_contents_writeable (val)[0] -= top;
/* Note: When we look up RTTI entries, we don't get any
information on const or volatile attributes */
}
type_print (type, "", stream, -1);
fprintf_filtered (stream, ") ");
}
else
{
/* normal case */
fprintf_filtered (stream, "(");
type_print (value_type (val), "", stream, -1);
fprintf_filtered (stream, ") ");
}
}
/* APPLE LOCAL begin variable initialized status. */
if (value_var_status (val) == 0)
fprintf_filtered (stream, " [uninitialized] ");
/* APPLE LOCAL end variable initialized status. */
if (objectprint && (TYPE_CODE (type) == TYPE_CODE_CLASS))
{
/* Attempt to determine real type of object */
real_type = value_rtti_type (val, &full, &top, &using_enc);
if (real_type)
{
/* We have RTTI information, so use it */
val = value_full_object (val, real_type, full, top, using_enc);
fprintf_filtered (stream, "(%s%s) ",
TYPE_NAME (real_type),
full ? "" : _(" [incomplete object]"));
/* Print out object: enclosing type is same as real_type if full */
return val_print (value_enclosing_type (val),
value_contents_all (val), 0,
VALUE_ADDRESS (val), stream, format, 1, 0, pretty);
/* Note: When we look up RTTI entries, we don't get any information on
const or volatile attributes */
}
else if (type != check_typedef (value_enclosing_type (val)))
{
/* No RTTI information, so let's do our best */
fprintf_filtered (stream, "(%s ?) ",
TYPE_NAME (value_enclosing_type (val)));
return val_print (value_enclosing_type (val),
value_contents_all (val), 0,
VALUE_ADDRESS (val), stream, format, 1, 0, pretty);
}
/* Otherwise, we end up at the return outside this "if" */
}
real_type = get_closure_dynamic_type (val);
if (real_type)
type = real_type;
return val_print (type, value_contents_all (val),
value_embedded_offset (val),
VALUE_ADDRESS (val) + value_offset (val),
stream, format, 1, 0, pretty);
}
void
c_type_print_base (struct type *type, struct ui_file *stream,
int show, int level)
{
int i;
int len, real_len;
enum
{
s_none, s_public, s_private, s_protected
}
section_type;
int need_access_label = 0;
int j, len2;
QUIT;
wrap_here (" ");
if (type == NULL)
{
fputs_filtered (_("<type unknown>"), stream);
return;
}
/* When SHOW is zero or less, and there is a valid type name, then
always just print the type name directly from the type. */
/* If we have "typedef struct foo {. . .} bar;" do we want to print
it as "struct foo" or as "bar"? Pick the latter, because C++
folk tend to expect things like "class5 *foo" rather than "struct
class5 *foo". */
if (show <= 0
&& TYPE_NAME (type) != NULL)
{
c_type_print_modifier (type, stream, 0, 1);
fputs_filtered (TYPE_NAME (type), stream);
return;
}
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_TYPEDEF:
/* If we get here, the typedef doesn't have a name, and we
couldn't resolve TYPE_TARGET_TYPE. Not much we can do. */
gdb_assert (TYPE_NAME (type) == NULL);
gdb_assert (TYPE_TARGET_TYPE (type) == NULL);
fprintf_filtered (stream, _("<unnamed typedef>"));
break;
case TYPE_CODE_ARRAY:
case TYPE_CODE_PTR:
case TYPE_CODE_MEMBERPTR:
case TYPE_CODE_REF:
case TYPE_CODE_FUNC:
case TYPE_CODE_METHOD:
case TYPE_CODE_METHODPTR:
c_type_print_base (TYPE_TARGET_TYPE (type),
stream, show, level);
break;
case TYPE_CODE_STRUCT:
case TYPE_CODE_UNION:
c_type_print_modifier (type, stream, 0, 1);
if (TYPE_CODE (type) == TYPE_CODE_UNION)
fprintf_filtered (stream, "union ");
else if (TYPE_DECLARED_CLASS (type))
fprintf_filtered (stream, "class ");
else
fprintf_filtered (stream, "struct ");
/* Print the tag if it exists. The HP aCC compiler emits a
spurious "{unnamed struct}"/"{unnamed union}"/"{unnamed
enum}" tag for unnamed struct/union/enum's, which we don't
want to print. */
if (TYPE_TAG_NAME (type) != NULL
&& strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
{
fputs_filtered (TYPE_TAG_NAME (type), stream);
if (show > 0)
fputs_filtered (" ", stream);
}
wrap_here (" ");
if (show < 0)
{
/* If we just printed a tag name, no need to print anything
else. */
if (TYPE_TAG_NAME (type) == NULL)
fprintf_filtered (stream, "{...}");
}
else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
{
struct type *basetype;
int vptr_fieldno;
cp_type_print_derivation_info (stream, type);
fprintf_filtered (stream, "{\n");
if (TYPE_NFIELDS (type) == 0 && TYPE_NFN_FIELDS (type) == 0
&& TYPE_TYPEDEF_FIELD_COUNT (type) == 0)
{
if (TYPE_STUB (type))
fprintfi_filtered (level + 4, stream,
_("<incomplete type>\n"));
else
fprintfi_filtered (level + 4, stream,
_("<no data fields>\n"));
}
/* Start off with no specific section type, so we can print
one for the first field we find, and use that section type
thereafter until we find another type. */
section_type = s_none;
/* For a class, if all members are private, there's no need
for a "private:" label; similarly, for a struct or union
masquerading as a class, if all members are public, there's
no need for a "public:" label. */
if (TYPE_DECLARED_CLASS (type))
{
QUIT;
len = TYPE_NFIELDS (type);
for (i = TYPE_N_BASECLASSES (type); i < len; i++)
if (!TYPE_FIELD_PRIVATE (type, i))
{
need_access_label = 1;
break;
}
QUIT;
if (!need_access_label)
{
len2 = TYPE_NFN_FIELDS (type);
for (j = 0; j < len2; j++)
{
len = TYPE_FN_FIELDLIST_LENGTH (type, j);
for (i = 0; i < len; i++)
if (!TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type,
j), i))
{
need_access_label = 1;
break;
}
if (need_access_label)
break;
}
}
}
else
{
QUIT;
len = TYPE_NFIELDS (type);
for (i = TYPE_N_BASECLASSES (type); i < len; i++)
if (TYPE_FIELD_PRIVATE (type, i)
|| TYPE_FIELD_PROTECTED (type, i))
{
need_access_label = 1;
break;
}
QUIT;
if (!need_access_label)
{
len2 = TYPE_NFN_FIELDS (type);
for (j = 0; j < len2; j++)
{
QUIT;
len = TYPE_FN_FIELDLIST_LENGTH (type, j);
for (i = 0; i < len; i++)
if (TYPE_FN_FIELD_PROTECTED (TYPE_FN_FIELDLIST1 (type,
j), i)
|| TYPE_FN_FIELD_PRIVATE (TYPE_FN_FIELDLIST1 (type,
j),
i))
{
need_access_label = 1;
break;
}
if (need_access_label)
break;
}
}
}
/* If there is a base class for this type,
do not print the field that it occupies. */
len = TYPE_NFIELDS (type);
vptr_fieldno = get_vptr_fieldno (type, &basetype);
for (i = TYPE_N_BASECLASSES (type); i < len; i++)
{
QUIT;
/* If we have a virtual table pointer, omit it. Even if
virtual table pointers are not specifically marked in
the debug info, they should be artificial. */
if ((i == vptr_fieldno && type == basetype)
|| TYPE_FIELD_ARTIFICIAL (type, i))
continue;
if (need_access_label)
{
if (TYPE_FIELD_PROTECTED (type, i))
{
if (section_type != s_protected)
{
section_type = s_protected;
fprintfi_filtered (level + 2, stream,
"protected:\n");
}
}
else if (TYPE_FIELD_PRIVATE (type, i))
{
if (section_type != s_private)
{
section_type = s_private;
fprintfi_filtered (level + 2, stream,
"private:\n");
}
}
else
{
if (section_type != s_public)
{
section_type = s_public;
fprintfi_filtered (level + 2, stream,
"public:\n");
}
}
}
print_spaces_filtered (level + 4, stream);
if (field_is_static (&TYPE_FIELD (type, i)))
fprintf_filtered (stream, "static ");
c_print_type (TYPE_FIELD_TYPE (type, i),
TYPE_FIELD_NAME (type, i),
stream, show - 1, level + 4);
if (!field_is_static (&TYPE_FIELD (type, i))
&& TYPE_FIELD_PACKED (type, i))
{
/* It is a bitfield. This code does not attempt
to look at the bitpos and reconstruct filler,
unnamed fields. This would lead to misleading
results if the compiler does not put out fields
for such things (I don't know what it does). */
fprintf_filtered (stream, " : %d",
TYPE_FIELD_BITSIZE (type, i));
}
fprintf_filtered (stream, ";\n");
}
/* If there are both fields and methods, put a blank line
between them. Make sure to count only method that we
will display; artificial methods will be hidden. */
len = TYPE_NFN_FIELDS (type);
real_len = 0;
for (i = 0; i < len; i++)
{
struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
int len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
int j;
for (j = 0; j < len2; j++)
if (!TYPE_FN_FIELD_ARTIFICIAL (f, j))
real_len++;
}
if (real_len > 0 && section_type != s_none)
fprintf_filtered (stream, "\n");
/* C++: print out the methods. */
for (i = 0; i < len; i++)
{
struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i);
const char *method_name = TYPE_FN_FIELDLIST_NAME (type, i);
const char *name = type_name_no_tag (type);
int is_constructor = name && strcmp (method_name,
name) == 0;
for (j = 0; j < len2; j++)
{
const char *mangled_name;
char *demangled_name;
struct cleanup *inner_cleanup;
const char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
int is_full_physname_constructor =
is_constructor_name (physname)
|| is_destructor_name (physname)
|| method_name[0] == '~';
/* Do not print out artificial methods. */
if (TYPE_FN_FIELD_ARTIFICIAL (f, j))
continue;
inner_cleanup = make_cleanup (null_cleanup, NULL);
QUIT;
if (TYPE_FN_FIELD_PROTECTED (f, j))
{
if (section_type != s_protected)
{
section_type = s_protected;
fprintfi_filtered (level + 2, stream,
"protected:\n");
}
}
else if (TYPE_FN_FIELD_PRIVATE (f, j))
{
if (section_type != s_private)
{
section_type = s_private;
fprintfi_filtered (level + 2, stream,
"private:\n");
}
}
else
{
if (section_type != s_public)
{
section_type = s_public;
fprintfi_filtered (level + 2, stream,
"public:\n");
}
}
print_spaces_filtered (level + 4, stream);
if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
fprintf_filtered (stream, "virtual ");
else if (TYPE_FN_FIELD_STATIC_P (f, j))
fprintf_filtered (stream, "static ");
if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0)
{
/* Keep GDB from crashing here. */
fprintf_filtered (stream,
_("<undefined type> %s;\n"),
TYPE_FN_FIELD_PHYSNAME (f, j));
break;
}
else if (!is_constructor /* Constructors don't
have declared
types. */
&& !is_full_physname_constructor /* " " */
&& !is_type_conversion_operator (type, i, j))
{
type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
"", stream, -1);
fputs_filtered (" ", stream);
}
if (TYPE_FN_FIELD_STUB (f, j))
{
char *tem;
/* Build something we can demangle. */
tem = gdb_mangle_name (type, i, j);
make_cleanup (xfree, tem);
mangled_name = tem;
}
else
mangled_name = TYPE_FN_FIELD_PHYSNAME (f, j);
demangled_name =
cplus_demangle (mangled_name,
DMGL_ANSI | DMGL_PARAMS);
if (demangled_name == NULL)
{
/* In some cases (for instance with the HP
demangling), if a function has more than 10
arguments, the demangling will fail.
Let's try to reconstruct the function
signature from the symbol information. */
if (!TYPE_FN_FIELD_STUB (f, j))
{
int staticp = TYPE_FN_FIELD_STATIC_P (f, j);
struct type *mtype = TYPE_FN_FIELD_TYPE (f, j);
cp_type_print_method_args (mtype,
"",
method_name,
staticp,
stream);
}
else
fprintf_filtered (stream,
_("<badly mangled name '%s'>"),
mangled_name);
}
else
{
char *p;
char *demangled_no_class
= remove_qualifiers (demangled_name);
/* Get rid of the `static' appended by the
demangler. */
p = strstr (demangled_no_class, " static");
if (p != NULL)
{
int length = p - demangled_no_class;
char *demangled_no_static;
demangled_no_static
= (char *) xmalloc (length + 1);
strncpy (demangled_no_static,
demangled_no_class, length);
*(demangled_no_static + length) = '\0';
fputs_filtered (demangled_no_static, stream);
xfree (demangled_no_static);
}
else
fputs_filtered (demangled_no_class, stream);
xfree (demangled_name);
}
do_cleanups (inner_cleanup);
fprintf_filtered (stream, ";\n");
}
}
/* Print typedefs defined in this class. */
if (TYPE_TYPEDEF_FIELD_COUNT (type) != 0)
{
if (TYPE_NFIELDS (type) != 0 || TYPE_NFN_FIELDS (type) != 0)
fprintf_filtered (stream, "\n");
for (i = 0; i < TYPE_TYPEDEF_FIELD_COUNT (type); i++)
{
struct type *target = TYPE_TYPEDEF_FIELD_TYPE (type, i);
/* Dereference the typedef declaration itself. */
gdb_assert (TYPE_CODE (target) == TYPE_CODE_TYPEDEF);
target = TYPE_TARGET_TYPE (target);
print_spaces_filtered (level + 4, stream);
fprintf_filtered (stream, "typedef ");
c_print_type (target, TYPE_TYPEDEF_FIELD_NAME (type, i),
stream, show - 1, level + 4);
fprintf_filtered (stream, ";\n");
}
}
fprintfi_filtered (level, stream, "}");
if (TYPE_LOCALTYPE_PTR (type) && show >= 0)
fprintfi_filtered (level,
stream, _(" (Local at %s:%d)\n"),
TYPE_LOCALTYPE_FILE (type),
TYPE_LOCALTYPE_LINE (type));
}
break;
case TYPE_CODE_ENUM:
c_type_print_modifier (type, stream, 0, 1);
fprintf_filtered (stream, "enum ");
/* Print the tag name if it exists.
The aCC compiler emits a spurious
"{unnamed struct}"/"{unnamed union}"/"{unnamed enum}"
tag for unnamed struct/union/enum's, which we don't
want to print. */
if (TYPE_TAG_NAME (type) != NULL
&& strncmp (TYPE_TAG_NAME (type), "{unnamed", 8))
{
fputs_filtered (TYPE_TAG_NAME (type), stream);
if (show > 0)
fputs_filtered (" ", stream);
}
wrap_here (" ");
if (show < 0)
{
/* If we just printed a tag name, no need to print anything
else. */
if (TYPE_TAG_NAME (type) == NULL)
fprintf_filtered (stream, "{...}");
}
else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
{
LONGEST lastval = 0;
fprintf_filtered (stream, "{");
len = TYPE_NFIELDS (type);
for (i = 0; i < len; i++)
{
QUIT;
if (i)
fprintf_filtered (stream, ", ");
wrap_here (" ");
fputs_filtered (TYPE_FIELD_NAME (type, i), stream);
if (lastval != TYPE_FIELD_ENUMVAL (type, i))
{
fprintf_filtered (stream, " = %s",
plongest (TYPE_FIELD_ENUMVAL (type, i)));
lastval = TYPE_FIELD_ENUMVAL (type, i);
}
lastval++;
}
fprintf_filtered (stream, "}");
}
break;
case TYPE_CODE_VOID:
fprintf_filtered (stream, "void");
break;
case TYPE_CODE_UNDEF:
fprintf_filtered (stream, _("struct <unknown>"));
break;
case TYPE_CODE_ERROR:
fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type));
break;
case TYPE_CODE_RANGE:
/* This should not occur. */
fprintf_filtered (stream, _("<range type>"));
break;
case TYPE_CODE_NAMESPACE:
fputs_filtered ("namespace ", stream);
fputs_filtered (TYPE_TAG_NAME (type), stream);
break;
default:
/* Handle types not explicitly handled by the other cases, such
as fundamental types. For these, just print whatever the
type name is, as recorded in the type itself. If there is no
type name, then complain. */
if (TYPE_NAME (type) != NULL)
{
c_type_print_modifier (type, stream, 0, 1);
fputs_filtered (TYPE_NAME (type), stream);
}
else
{
/* At least for dump_symtab, it is important that this not
be an error (). */
fprintf_filtered (stream, _("<invalid type code %d>"),
TYPE_CODE (type));
}
break;
}
}
static void
java_type_print_base (struct type *type, struct ui_file *stream, int show,
int level)
{
int i;
int len;
char *mangled_name;
char *demangled_name;
QUIT;
wrap_here (" ");
if (type == NULL)
{
fputs_filtered ("<type unknown>", stream);
return;
}
/* When SHOW is zero or less, and there is a valid type name, then always
just print the type name directly from the type. */
if (show <= 0
&& TYPE_NAME (type) != NULL)
{
fputs_filtered (TYPE_NAME (type), stream);
return;
}
CHECK_TYPEDEF (type);
switch (TYPE_CODE (type))
{
case TYPE_CODE_PTR:
java_type_print_base (TYPE_TARGET_TYPE (type), stream, show, level);
break;
case TYPE_CODE_STRUCT:
if (TYPE_TAG_NAME (type) != NULL && TYPE_TAG_NAME (type)[0] == '[')
{ /* array type */
char *name = java_demangle_type_signature (TYPE_TAG_NAME (type));
fputs_filtered (name, stream);
xfree (name);
break;
}
if (show >= 0)
fprintf_filtered (stream, "class ");
if (TYPE_TAG_NAME (type) != NULL)
{
fputs_filtered (TYPE_TAG_NAME (type), stream);
if (show > 0)
fputs_filtered (" ", stream);
}
wrap_here (" ");
if (show < 0)
{
/* If we just printed a tag name, no need to print anything else. */
if (TYPE_TAG_NAME (type) == NULL)
fprintf_filtered (stream, "{...}");
}
else if (show > 0 || TYPE_TAG_NAME (type) == NULL)
{
java_type_print_derivation_info (stream, type);
fprintf_filtered (stream, "{\n");
if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0))
{
if (TYPE_STUB (type))
fprintfi_filtered (level + 4, stream, "<incomplete type>\n");
else
fprintfi_filtered (level + 4, stream, "<no data fields>\n");
}
/* If there is a base class for this type,
do not print the field that it occupies. */
len = TYPE_NFIELDS (type);
for (i = TYPE_N_BASECLASSES (type); i < len; i++)
{
QUIT;
/* Don't print out virtual function table. */
if (strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5) == 0
&& is_cplus_marker ((TYPE_FIELD_NAME (type, i))[5]))
continue;
/* Don't print the dummy field "class". */
if (strncmp (TYPE_FIELD_NAME (type, i), "class", 5) == 0)
continue;
print_spaces_filtered (level + 4, stream);
if (HAVE_CPLUS_STRUCT (type))
{
if (TYPE_FIELD_PROTECTED (type, i))
fprintf_filtered (stream, "protected ");
else if (TYPE_FIELD_PRIVATE (type, i))
fprintf_filtered (stream, "private ");
else
fprintf_filtered (stream, "public ");
}
if (field_is_static (&TYPE_FIELD (type, i)))
fprintf_filtered (stream, "static ");
java_print_type (TYPE_FIELD_TYPE (type, i),
TYPE_FIELD_NAME (type, i),
stream, show - 1, level + 4);
fprintf_filtered (stream, ";\n");
}
/* If there are both fields and methods, put a space between. */
len = TYPE_NFN_FIELDS (type);
if (len)
fprintf_filtered (stream, "\n");
/* Print out the methods */
for (i = 0; i < len; i++)
{
struct fn_field *f;
int j;
char *method_name;
char *name;
int is_constructor;
int n_overloads;
f = TYPE_FN_FIELDLIST1 (type, i);
n_overloads = TYPE_FN_FIELDLIST_LENGTH (type, i);
method_name = TYPE_FN_FIELDLIST_NAME (type, i);
name = type_name_no_tag (type);
is_constructor = name && strcmp (method_name, name) == 0;
for (j = 0; j < n_overloads; j++)
{
char *real_physname, *physname, *p;
int is_full_physname_constructor;
real_physname = TYPE_FN_FIELD_PHYSNAME (f, j);
/* The physname will contain the return type
after the final closing parenthesis. Strip it off. */
p = strrchr (real_physname, ')');
gdb_assert (p != NULL);
++p; /* Keep the trailing ')'. */
physname = alloca (p - real_physname + 1);
memcpy (physname, real_physname, p - real_physname);
physname[p - real_physname] = '\0';
is_full_physname_constructor
= (is_constructor_name (physname)
|| is_destructor_name (physname));
QUIT;
print_spaces_filtered (level + 4, stream);
if (TYPE_FN_FIELD_PROTECTED (f, j))
fprintf_filtered (stream, "protected ");
else if (TYPE_FN_FIELD_PRIVATE (f, j))
fprintf_filtered (stream, "private ");
else if (TYPE_FN_FIELD_PUBLIC (f, j))
fprintf_filtered (stream, "public ");
if (TYPE_FN_FIELD_ABSTRACT (f, j))
fprintf_filtered (stream, "abstract ");
if (TYPE_FN_FIELD_STATIC (f, j))
fprintf_filtered (stream, "static ");
if (TYPE_FN_FIELD_FINAL (f, j))
fprintf_filtered (stream, "final ");
if (TYPE_FN_FIELD_SYNCHRONIZED (f, j))
fprintf_filtered (stream, "synchronized ");
if (TYPE_FN_FIELD_NATIVE (f, j))
fprintf_filtered (stream, "native ");
if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0)
{
/* Keep GDB from crashing here. */
fprintf_filtered (stream, "<undefined type> %s;\n",
TYPE_FN_FIELD_PHYSNAME (f, j));
break;
}
else if (!is_constructor && !is_full_physname_constructor)
{
type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)),
"", stream, -1);
fputs_filtered (" ", stream);
}
if (TYPE_FN_FIELD_STUB (f, j))
/* Build something we can demangle. */
mangled_name = gdb_mangle_name (type, i, j);
else
mangled_name = physname;
demangled_name =
cplus_demangle (mangled_name,
DMGL_ANSI | DMGL_PARAMS | DMGL_JAVA);
if (demangled_name == NULL)
demangled_name = xstrdup (mangled_name);
{
char *demangled_no_class;
char *ptr;
ptr = demangled_no_class = demangled_name;
while (1)
{
char c;
c = *ptr++;
if (c == 0 || c == '(')
break;
if (c == '.')
demangled_no_class = ptr;
}
fputs_filtered (demangled_no_class, stream);
xfree (demangled_name);
}
if (TYPE_FN_FIELD_STUB (f, j))
xfree (mangled_name);
fprintf_filtered (stream, ";\n");
}
}
fprintfi_filtered (level, stream, "}");
}
break;
default:
c_type_print_base (type, stream, show, level);
}
}
void
c_type_print_varspec_suffix (struct type *type,
struct ui_file *stream,
int show, int passed_a_ptr,
int demangled_args)
{
if (type == 0)
return;
if (TYPE_NAME (type) && show <= 0)
return;
QUIT;
switch (TYPE_CODE (type))
{
case TYPE_CODE_ARRAY:
{
LONGEST low_bound, high_bound;
int is_vector = TYPE_VECTOR (type);
if (passed_a_ptr)
fprintf_filtered (stream, ")");
fprintf_filtered (stream, (is_vector ?
"__attribute__ ((vector_size(" : "["));
if (get_array_bounds (type, &low_bound, &high_bound))
fprintf_filtered (stream, "%s",
plongest (high_bound - low_bound + 1));
fprintf_filtered (stream, (is_vector ? ")))" : "]"));
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
show, 0, 0);
}
break;
case TYPE_CODE_MEMBERPTR:
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
show, 0, 0);
break;
case TYPE_CODE_METHODPTR:
fprintf_filtered (stream, ")");
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
show, 0, 0);
break;
case TYPE_CODE_PTR:
case TYPE_CODE_REF:
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
show, 1, 0);
break;
case TYPE_CODE_METHOD:
case TYPE_CODE_FUNC:
if (passed_a_ptr)
fprintf_filtered (stream, ")");
if (!demangled_args)
c_type_print_args (type, stream, 0, current_language->la_language);
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
show, passed_a_ptr, 0);
break;
case TYPE_CODE_TYPEDEF:
c_type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream,
show, passed_a_ptr, 0);
break;
case TYPE_CODE_UNDEF:
case TYPE_CODE_STRUCT:
case TYPE_CODE_UNION:
case TYPE_CODE_ENUM:
case TYPE_CODE_INT:
case TYPE_CODE_FLT:
case TYPE_CODE_VOID:
case TYPE_CODE_ERROR:
case TYPE_CODE_CHAR:
case TYPE_CODE_BOOL:
case TYPE_CODE_SET:
case TYPE_CODE_RANGE:
case TYPE_CODE_STRING:
case TYPE_CODE_COMPLEX:
case TYPE_CODE_NAMESPACE:
case TYPE_CODE_DECFLOAT:
/* These types do not need a suffix. They are listed so that
gcc -Wall will report types that may not have been
considered. */
break;
default:
error (_("type not handled in c_type_print_varspec_suffix()"));
break;
}
}
static void
c_type_print_varspec_prefix (struct type *type,
struct ui_file *stream,
int show, int passed_a_ptr,
int need_post_space)
{
const char *name;
if (type == 0)
return;
if (TYPE_NAME (type) && show <= 0)
return;
QUIT;
switch (TYPE_CODE (type))
{
case TYPE_CODE_PTR:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
stream, show, 1, 1);
fprintf_filtered (stream, "*");
c_type_print_modifier (type, stream, 1, need_post_space);
break;
case TYPE_CODE_MEMBERPTR:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
stream, show, 0, 0);
name = type_name_no_tag (TYPE_DOMAIN_TYPE (type));
if (name)
fputs_filtered (name, stream);
else
c_type_print_base (TYPE_DOMAIN_TYPE (type),
stream, -1, passed_a_ptr);
fprintf_filtered (stream, "::*");
break;
case TYPE_CODE_METHODPTR:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
stream, show, 0, 0);
fprintf_filtered (stream, "(");
name = type_name_no_tag (TYPE_DOMAIN_TYPE (type));
if (name)
fputs_filtered (name, stream);
else
c_type_print_base (TYPE_DOMAIN_TYPE (type),
stream, -1, passed_a_ptr);
fprintf_filtered (stream, "::*");
break;
case TYPE_CODE_REF:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
stream, show, 1, 0);
fprintf_filtered (stream, "&");
c_type_print_modifier (type, stream, 1, need_post_space);
break;
case TYPE_CODE_METHOD:
case TYPE_CODE_FUNC:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
stream, show, 0, 0);
if (passed_a_ptr)
fprintf_filtered (stream, "(");
break;
case TYPE_CODE_ARRAY:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
stream, show, 0, 0);
if (passed_a_ptr)
fprintf_filtered (stream, "(");
break;
case TYPE_CODE_TYPEDEF:
c_type_print_varspec_prefix (TYPE_TARGET_TYPE (type),
stream, show, passed_a_ptr, 0);
break;
case TYPE_CODE_UNDEF:
case TYPE_CODE_STRUCT:
case TYPE_CODE_UNION:
case TYPE_CODE_ENUM:
case TYPE_CODE_INT:
case TYPE_CODE_FLT:
case TYPE_CODE_VOID:
case TYPE_CODE_ERROR:
case TYPE_CODE_CHAR:
case TYPE_CODE_BOOL:
case TYPE_CODE_SET:
case TYPE_CODE_RANGE:
case TYPE_CODE_STRING:
case TYPE_CODE_COMPLEX:
case TYPE_CODE_NAMESPACE:
case TYPE_CODE_DECFLOAT:
/* These types need no prefix. They are listed here so that
gcc -Wall will reveal any types that haven't been handled. */
break;
default:
error (_("type not handled in c_type_print_varspec_prefix()"));
break;
}
}
static struct value *
evaluate_subexp_java (struct type *expect_type, struct expression *exp,
int *pos, enum noside noside)
{
int pc = *pos;
int i;
const char *name;
enum exp_opcode op = exp->elts[*pos].opcode;
struct value *arg1;
struct value *arg2;
struct type *type;
switch (op)
{
case UNOP_IND:
if (noside == EVAL_SKIP)
goto standard;
(*pos)++;
arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL);
if (is_object_type (value_type (arg1)))
{
struct type *type;
type = type_from_class (exp->gdbarch, java_class_from_object (arg1));
arg1 = value_cast (lookup_pointer_type (type), arg1);
}
return value_ind (arg1);
case BINOP_SUBSCRIPT:
(*pos)++;
arg1 = evaluate_subexp_with_coercion (exp, pos, noside);
arg2 = evaluate_subexp_with_coercion (exp, pos, noside);
if (noside == EVAL_SKIP)
goto nosideret;
/* If the user attempts to subscript something that is not an
array or pointer type (like a plain int variable for example),
then report this as an error. */
arg1 = coerce_ref (arg1);
type = check_typedef (value_type (arg1));
if (TYPE_CODE (type) == TYPE_CODE_PTR)
type = check_typedef (TYPE_TARGET_TYPE (type));
name = TYPE_NAME (type);
if (name == NULL)
name = TYPE_TAG_NAME (type);
i = name == NULL ? 0 : strlen (name);
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
&& i > 2 && name[i - 1] == ']')
{
enum bfd_endian byte_order = gdbarch_byte_order (exp->gdbarch);
CORE_ADDR address;
long length, index;
struct type *el_type;
gdb_byte buf4[4];
struct value *clas = java_class_from_object (arg1);
struct value *temp = clas;
/* Get CLASS_ELEMENT_TYPE of the array type. */
temp = value_struct_elt (&temp, NULL, "methods",
NULL, "structure");
deprecated_set_value_type (temp, value_type (clas));
el_type = type_from_class (exp->gdbarch, temp);
if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT)
el_type = lookup_pointer_type (el_type);
if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (el_type, VALUE_LVAL (arg1));
address = value_as_address (arg1);
address += get_java_object_header_size (exp->gdbarch);
read_memory (address, buf4, 4);
length = (long) extract_signed_integer (buf4, 4, byte_order);
index = (long) value_as_long (arg2);
if (index >= length || index < 0)
error (_("array index (%ld) out of bounds (length: %ld)"),
index, length);
address = (address + 4) + index * TYPE_LENGTH (el_type);
return value_at (el_type, address);
}
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
{
if (noside == EVAL_AVOID_SIDE_EFFECTS)
return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1));
else
return value_subscript (arg1, value_as_long (arg2));
}
if (name)
error (_("cannot subscript something of type `%s'"), name);
else
error (_("cannot subscript requested type"));
case OP_STRING:
(*pos)++;
i = longest_to_int (exp->elts[pc + 1].longconst);
(*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1);
if (noside == EVAL_SKIP)
goto nosideret;
return java_value_string (&exp->elts[pc + 2].string, i);
case STRUCTOP_PTR:
arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside);
/* Convert object field (such as TYPE.class) to reference. */
if (TYPE_CODE (value_type (arg1)) == TYPE_CODE_STRUCT)
arg1 = value_addr (arg1);
return arg1;
default:
break;
}
standard:
return evaluate_subexp_standard (expect_type, exp, pos, noside);
nosideret:
return value_from_longest (builtin_type (exp->gdbarch)->builtin_int, 1);
}
struct type *
type_from_class (struct gdbarch *gdbarch, struct value *clas)
{
struct type *type;
char *name;
struct value *temp;
struct objfile *objfile;
struct value *utf8_name;
char *nptr;
CORE_ADDR addr;
type = check_typedef (value_type (clas));
if (TYPE_CODE (type) == TYPE_CODE_PTR)
{
if (value_logical_not (clas))
return NULL;
clas = value_ind (clas);
}
addr = value_address (clas);
objfile = get_dynamics_objfile (gdbarch);
if (java_class_is_primitive (clas))
{
struct value *sig;
temp = clas;
sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure");
return java_primitive_type (gdbarch, value_as_long (sig));
}
/* Get Class name. */
/* If clasloader non-null, prepend loader address. FIXME */
temp = clas;
utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure");
name = get_java_utf8_name (&objfile->objfile_obstack, utf8_name);
for (nptr = name; *nptr != 0; nptr++)
{
if (*nptr == '/')
*nptr = '.';
}
type = java_lookup_class (name);
if (type != NULL)
return type;
type = alloc_type (objfile);
TYPE_CODE (type) = TYPE_CODE_STRUCT;
INIT_CPLUS_SPECIFIC (type);
if (name[0] == '[')
{
char *signature = name;
int namelen = java_demangled_signature_length (signature);
if (namelen > strlen (name))
name = obstack_alloc (&objfile->objfile_obstack, namelen + 1);
java_demangled_signature_copy (name, signature);
name[namelen] = '\0';
temp = clas;
/* Set array element type. */
temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure");
deprecated_set_value_type (temp,
lookup_pointer_type (value_type (clas)));
TYPE_TARGET_TYPE (type) = type_from_class (gdbarch, temp);
}
ALLOCATE_CPLUS_STRUCT_TYPE (type);
TYPE_TAG_NAME (type) = name;
add_class_symtab_symbol (add_class_symbol (type, addr));
return java_link_class_type (gdbarch, type, clas);
}
static struct type *
java_link_class_type (struct gdbarch *gdbarch,
struct type *type, struct value *clas)
{
struct value *temp;
const char *unqualified_name;
const char *name = TYPE_TAG_NAME (type);
int ninterfaces, nfields, nmethods;
int type_is_object = 0;
struct fn_field *fn_fields;
struct fn_fieldlist *fn_fieldlists;
struct value *fields;
struct value *methods;
struct value *method = NULL;
struct value *field = NULL;
int i, j;
struct objfile *objfile = get_dynamics_objfile (gdbarch);
struct type *tsuper;
gdb_assert (name != NULL);
unqualified_name = strrchr (name, '.');
if (unqualified_name == NULL)
unqualified_name = name;
temp = clas;
temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure");
if (strcmp (name, "java.lang.Object") == 0)
{
tsuper = get_java_object_type ();
if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR)
tsuper = TYPE_TARGET_TYPE (tsuper);
type_is_object = 1;
}
else
tsuper = type_from_class (gdbarch, temp);
#if 1
ninterfaces = 0;
#else
temp = clas;
ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len",
NULL, "structure"));
#endif
TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces;
temp = clas;
nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count",
NULL, "structure"));
nfields += TYPE_N_BASECLASSES (type);
nfields++; /* Add one for dummy "class" field. */
TYPE_NFIELDS (type) = nfields;
TYPE_FIELDS (type) = (struct field *)
TYPE_ALLOC (type, sizeof (struct field) * nfields);
memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields);
TYPE_FIELD_PRIVATE_BITS (type) =
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields);
TYPE_FIELD_PROTECTED_BITS (type) =
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields);
TYPE_FIELD_IGNORE_BITS (type) =
(B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields);
TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *)
TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type)));
B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type));
if (tsuper != NULL)
{
TYPE_BASECLASS (type, 0) = tsuper;
if (type_is_object)
SET_TYPE_FIELD_PRIVATE (type, 0);
}
i = strlen (name);
if (i > 2 && name[i - 1] == ']' && tsuper != NULL)
{
/* FIXME */
TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */
}
else
{
temp = clas;
temp = value_struct_elt (&temp, NULL, "size_in_bytes",
NULL, "structure");
TYPE_LENGTH (type) = value_as_long (temp);
}
fields = NULL;
nfields--; /* First set up dummy "class" field. */
SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), value_address (clas));
TYPE_FIELD_NAME (type, nfields) = "class";
TYPE_FIELD_TYPE (type, nfields) = value_type (clas);
SET_TYPE_FIELD_PRIVATE (type, nfields);
for (i = TYPE_N_BASECLASSES (type); i < nfields; i++)
{
int accflags;
int boffset;
if (fields == NULL)
{
temp = clas;
fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure");
field = value_ind (fields);
}
else
{ /* Re-use field value for next field. */
CORE_ADDR addr
= value_address (field) + TYPE_LENGTH (value_type (field));
set_value_address (field, addr);
set_value_lazy (field, 1);
}
temp = field;
temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
TYPE_FIELD_NAME (type, i) =
get_java_utf8_name (&objfile->objfile_obstack, temp);
temp = field;
accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags",
NULL, "structure"));
temp = field;
temp = value_struct_elt (&temp, NULL, "info", NULL, "structure");
boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset",
NULL, "structure"));
if (accflags & 0x0001) /* public access */
{
/* ??? */
}
if (accflags & 0x0002) /* private access */
{
SET_TYPE_FIELD_PRIVATE (type, i);
}
if (accflags & 0x0004) /* protected access */
{
SET_TYPE_FIELD_PROTECTED (type, i);
}
if (accflags & 0x0008) /* ACC_STATIC */
SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset);
else
SET_FIELD_BITPOS (TYPE_FIELD (type, i), 8 * boffset);
if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */
{
TYPE_FIELD_TYPE (type, i) = get_java_object_type (); /* FIXME */
}
else
{
struct type *ftype;
temp = field;
temp = value_struct_elt (&temp, NULL, "type", NULL, "structure");
ftype = type_from_class (gdbarch, temp);
if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT)
ftype = lookup_pointer_type (ftype);
TYPE_FIELD_TYPE (type, i) = ftype;
}
}
temp = clas;
nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count",
NULL, "structure"));
j = nmethods * sizeof (struct fn_field);
fn_fields = (struct fn_field *)
obstack_alloc (&objfile->objfile_obstack, j);
memset (fn_fields, 0, j);
fn_fieldlists = (struct fn_fieldlist *)
alloca (nmethods * sizeof (struct fn_fieldlist));
methods = NULL;
for (i = 0; i < nmethods; i++)
{
const char *mname;
int k;
if (methods == NULL)
{
temp = clas;
methods = value_struct_elt (&temp, NULL, "methods",
NULL, "structure");
method = value_ind (methods);
}
else
{ /* Re-use method value for next method. */
CORE_ADDR addr
= value_address (method) + TYPE_LENGTH (value_type (method));
set_value_address (method, addr);
set_value_lazy (method, 1);
}
/* Get method name. */
temp = method;
temp = value_struct_elt (&temp, NULL, "name", NULL, "structure");
mname = get_java_utf8_name (&objfile->objfile_obstack, temp);
if (strcmp (mname, "<init>") == 0)
mname = unqualified_name;
/* Check for an existing method with the same name.
* This makes building the fn_fieldslists an O(nmethods**2)
* operation. That could be using hashing, but I doubt it
* is worth it. Note that we do maintain the order of methods
* in the inferior's Method table (as long as that is grouped
* by method name), which I think is desirable. --PB */
for (k = 0, j = TYPE_NFN_FIELDS (type);;)
{
if (--j < 0)
{ /* No match - new method name. */
j = TYPE_NFN_FIELDS (type)++;
fn_fieldlists[j].name = mname;
fn_fieldlists[j].length = 1;
fn_fieldlists[j].fn_fields = &fn_fields[i];
k = i;
break;
}
if (strcmp (mname, fn_fieldlists[j].name) == 0)
{ /* Found an existing method with the same name. */
int l;
if (mname != unqualified_name)
obstack_free (&objfile->objfile_obstack, mname);
mname = fn_fieldlists[j].name;
fn_fieldlists[j].length++;
k = i - k; /* Index of new slot. */
/* Shift intervening fn_fields (between k and i) down. */
for (l = i; l > k; l--)
fn_fields[l] = fn_fields[l - 1];
for (l = TYPE_NFN_FIELDS (type); --l > j;)
fn_fieldlists[l].fn_fields++;
break;
}
k += fn_fieldlists[j].length;
}
fn_fields[k].physname = "";
fn_fields[k].is_stub = 1;
/* FIXME */
fn_fields[k].type = lookup_function_type
(builtin_java_type (gdbarch)->builtin_void);
TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD;
}
j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist);
TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *)
obstack_alloc (&objfile->objfile_obstack, j);
memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j);
return type;
}
