/* Support routines for manipulating internal types for GDB.
- Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002,
+ 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
#include "gdb_assert.h"
#include "hashtab.h"
-/* These variables point to the objects
- representing the predefined C data types. */
-
-struct type *builtin_type_int0;
-struct type *builtin_type_int8;
-struct type *builtin_type_uint8;
-struct type *builtin_type_int16;
-struct type *builtin_type_uint16;
-struct type *builtin_type_int32;
-struct type *builtin_type_uint32;
-struct type *builtin_type_int64;
-struct type *builtin_type_uint64;
-struct type *builtin_type_int128;
-struct type *builtin_type_uint128;
/* Floatformat pairs. */
const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN] = {
&floatformat_vax_d,
&floatformat_vax_d
};
-
-struct type *builtin_type_ieee_single;
-struct type *builtin_type_ieee_double;
-struct type *builtin_type_i387_ext;
-struct type *builtin_type_m68881_ext;
-struct type *builtin_type_arm_ext;
-struct type *builtin_type_ia64_spill;
-struct type *builtin_type_ia64_quad;
+const struct floatformat *floatformats_ibm_long_double[BFD_ENDIAN_UNKNOWN] = {
+ &floatformat_ibm_long_double,
+ &floatformat_ibm_long_double
+};
int opaque_type_resolution = 1;
static void print_arg_types (struct field *, int, int);
static void dump_fn_fieldlists (struct type *, int);
static void print_cplus_stuff (struct type *, int);
-static void virtual_base_list_aux (struct type *dclass);
-/* Alloc a new type structure and fill it with some defaults. If
- OBJFILE is non-NULL, then allocate the space for the type structure
- in that objfile's objfile_obstack. Otherwise allocate the new type
- structure by xmalloc () (for permanent types). */
+/* Allocate a new OBJFILE-associated type structure and fill it
+ with some defaults. Space for the type structure is allocated
+ on the objfile's objfile_obstack. */
struct type *
alloc_type (struct objfile *objfile)
{
struct type *type;
+ gdb_assert (objfile != NULL);
+
/* Alloc the structure and start off with all fields zeroed. */
+ type = OBSTACK_ZALLOC (&objfile->objfile_obstack, struct type);
+ TYPE_MAIN_TYPE (type) = OBSTACK_ZALLOC (&objfile->objfile_obstack,
+ struct main_type);
+ OBJSTAT (objfile, n_types++);
- if (objfile == NULL)
- {
- type = xmalloc (sizeof (struct type));
- memset (type, 0, sizeof (struct type));
- TYPE_MAIN_TYPE (type) = xmalloc (sizeof (struct main_type));
- }
- else
- {
- type = obstack_alloc (&objfile->objfile_obstack,
- sizeof (struct type));
- memset (type, 0, sizeof (struct type));
- TYPE_MAIN_TYPE (type) = obstack_alloc (&objfile->objfile_obstack,
- sizeof (struct main_type));
- OBJSTAT (objfile, n_types++);
- }
- memset (TYPE_MAIN_TYPE (type), 0, sizeof (struct main_type));
+ TYPE_OBJFILE_OWNED (type) = 1;
+ TYPE_OWNER (type).objfile = objfile;
+
+ /* Initialize the fields that might not be zero. */
+
+ TYPE_CODE (type) = TYPE_CODE_UNDEF;
+ TYPE_VPTR_FIELDNO (type) = -1;
+ TYPE_CHAIN (type) = type; /* Chain back to itself. */
+
+ return type;
+}
+
+/* Allocate a new GDBARCH-associated type structure and fill it
+ with some defaults. Space for the type structure is allocated
+ on the heap. */
+
+struct type *
+alloc_type_arch (struct gdbarch *gdbarch)
+{
+ struct type *type;
+
+ gdb_assert (gdbarch != NULL);
+
+ /* Alloc the structure and start off with all fields zeroed. */
+
+ type = XZALLOC (struct type);
+ TYPE_MAIN_TYPE (type) = XZALLOC (struct main_type);
+
+ TYPE_OBJFILE_OWNED (type) = 0;
+ TYPE_OWNER (type).gdbarch = gdbarch;
/* Initialize the fields that might not be zero. */
TYPE_CODE (type) = TYPE_CODE_UNDEF;
- TYPE_OBJFILE (type) = objfile;
TYPE_VPTR_FIELDNO (type) = -1;
TYPE_CHAIN (type) = type; /* Chain back to itself. */
- return (type);
+ return type;
+}
+
+/* If TYPE is objfile-associated, allocate a new type structure
+ associated with the same objfile. If TYPE is gdbarch-associated,
+ allocate a new type structure associated with the same gdbarch. */
+
+struct type *
+alloc_type_copy (const struct type *type)
+{
+ if (TYPE_OBJFILE_OWNED (type))
+ return alloc_type (TYPE_OWNER (type).objfile);
+ else
+ return alloc_type_arch (TYPE_OWNER (type).gdbarch);
+}
+
+/* If TYPE is gdbarch-associated, return that architecture.
+ If TYPE is objfile-associated, return that objfile's architecture. */
+
+struct gdbarch *
+get_type_arch (const struct type *type)
+{
+ if (TYPE_OBJFILE_OWNED (type))
+ return get_objfile_arch (TYPE_OWNER (type).objfile);
+ else
+ return TYPE_OWNER (type).gdbarch;
}
+
/* Alloc a new type instance structure, fill it with some defaults,
and point it at OLDTYPE. Allocate the new type instance from the
same place as OLDTYPE. */
/* Allocate the structure. */
- if (TYPE_OBJFILE (oldtype) == NULL)
- {
- type = xmalloc (sizeof (struct type));
- memset (type, 0, sizeof (struct type));
- }
+ if (! TYPE_OBJFILE_OWNED (oldtype))
+ type = XZALLOC (struct type);
else
- {
- type = obstack_alloc (&TYPE_OBJFILE (oldtype)->objfile_obstack,
- sizeof (struct type));
- memset (type, 0, sizeof (struct type));
- }
+ type = OBSTACK_ZALLOC (&TYPE_OBJFILE (oldtype)->objfile_obstack,
+ struct type);
+
TYPE_MAIN_TYPE (type) = TYPE_MAIN_TYPE (oldtype);
TYPE_CHAIN (type) = type; /* Chain back to itself for now. */
- return (type);
+ return type;
}
/* Clear all remnants of the previous type at TYPE, in preparation for
- replacing it with something else. */
+ replacing it with something else. Preserve owner information. */
static void
smash_type (struct type *type)
{
+ int objfile_owned = TYPE_OBJFILE_OWNED (type);
+ union type_owner owner = TYPE_OWNER (type);
+
memset (TYPE_MAIN_TYPE (type), 0, sizeof (struct main_type));
+ /* Restore owner information. */
+ TYPE_OBJFILE_OWNED (type) = objfile_owned;
+ TYPE_OWNER (type) = owner;
+
/* For now, delete the rings. */
TYPE_CHAIN (type) = type;
make_pointer_type (struct type *type, struct type **typeptr)
{
struct type *ntype; /* New type */
- struct objfile *objfile;
struct type *chain;
ntype = TYPE_POINTER_TYPE (type);
if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */
{
- ntype = alloc_type (TYPE_OBJFILE (type));
+ ntype = alloc_type_copy (type);
if (typeptr)
*typeptr = ntype;
}
else /* We have storage, but need to reset it. */
{
ntype = *typeptr;
- objfile = TYPE_OBJFILE (ntype);
chain = TYPE_CHAIN (ntype);
smash_type (ntype);
TYPE_CHAIN (ntype) = chain;
- TYPE_OBJFILE (ntype) = objfile;
}
TYPE_TARGET_TYPE (ntype) = type;
/* FIXME! Assume the machine has only one representation for
pointers! */
- TYPE_LENGTH (ntype) =
- gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT;
+ TYPE_LENGTH (ntype)
+ = gdbarch_ptr_bit (get_type_arch (type)) / TARGET_CHAR_BIT;
TYPE_CODE (ntype) = TYPE_CODE_PTR;
/* Mark pointers as unsigned. The target converts between pointers
and addresses (CORE_ADDRs) using gdbarch_pointer_to_address and
gdbarch_address_to_pointer. */
- TYPE_FLAGS (ntype) |= TYPE_FLAG_UNSIGNED;
+ TYPE_UNSIGNED (ntype) = 1;
if (!TYPE_POINTER_TYPE (type)) /* Remember it, if don't have one. */
TYPE_POINTER_TYPE (type) = ntype;
make_reference_type (struct type *type, struct type **typeptr)
{
struct type *ntype; /* New type */
- struct objfile *objfile;
struct type *chain;
ntype = TYPE_REFERENCE_TYPE (type);
if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */
{
- ntype = alloc_type (TYPE_OBJFILE (type));
+ ntype = alloc_type_copy (type);
if (typeptr)
*typeptr = ntype;
}
else /* We have storage, but need to reset it. */
{
ntype = *typeptr;
- objfile = TYPE_OBJFILE (ntype);
chain = TYPE_CHAIN (ntype);
smash_type (ntype);
TYPE_CHAIN (ntype) = chain;
- TYPE_OBJFILE (ntype) = objfile;
}
TYPE_TARGET_TYPE (ntype) = type;
references, and that it matches the (only) representation for
pointers! */
- TYPE_LENGTH (ntype) = gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT;
+ TYPE_LENGTH (ntype) =
+ gdbarch_ptr_bit (get_type_arch (type)) / TARGET_CHAR_BIT;
TYPE_CODE (ntype) = TYPE_CODE_REF;
if (!TYPE_REFERENCE_TYPE (type)) /* Remember it, if don't have one. */
make_function_type (struct type *type, struct type **typeptr)
{
struct type *ntype; /* New type */
- struct objfile *objfile;
if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */
{
- ntype = alloc_type (TYPE_OBJFILE (type));
+ ntype = alloc_type_copy (type);
if (typeptr)
*typeptr = ntype;
}
else /* We have storage, but need to reset it. */
{
ntype = *typeptr;
- objfile = TYPE_OBJFILE (ntype);
smash_type (ntype);
- TYPE_OBJFILE (ntype) = objfile;
}
TYPE_TARGET_TYPE (ntype) = type;
/* Identify address space identifier by name --
return the integer flag defined in gdbtypes.h. */
extern int
-address_space_name_to_int (char *space_identifier)
+address_space_name_to_int (struct gdbarch *gdbarch, char *space_identifier)
{
- struct gdbarch *gdbarch = current_gdbarch;
int type_flags;
/* Check for known address space delimiters. */
if (!strcmp (space_identifier, "code"))
- return TYPE_FLAG_CODE_SPACE;
+ return TYPE_INSTANCE_FLAG_CODE_SPACE;
else if (!strcmp (space_identifier, "data"))
- return TYPE_FLAG_DATA_SPACE;
+ return TYPE_INSTANCE_FLAG_DATA_SPACE;
else if (gdbarch_address_class_name_to_type_flags_p (gdbarch)
&& gdbarch_address_class_name_to_type_flags (gdbarch,
space_identifier,
gdbtypes.h -- return the string version of the adress space name. */
const char *
-address_space_int_to_name (int space_flag)
+address_space_int_to_name (struct gdbarch *gdbarch, int space_flag)
{
- struct gdbarch *gdbarch = current_gdbarch;
- if (space_flag & TYPE_FLAG_CODE_SPACE)
+ if (space_flag & TYPE_INSTANCE_FLAG_CODE_SPACE)
return "code";
- else if (space_flag & TYPE_FLAG_DATA_SPACE)
+ else if (space_flag & TYPE_INSTANCE_FLAG_DATA_SPACE)
return "data";
- else if ((space_flag & TYPE_FLAG_ADDRESS_CLASS_ALL)
+ else if ((space_flag & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL)
&& gdbarch_address_class_type_flags_to_name_p (gdbarch))
return gdbarch_address_class_type_flags_to_name (gdbarch, space_flag);
else
struct type *ntype;
ntype = type;
- do {
- if (TYPE_INSTANCE_FLAGS (ntype) == new_flags)
- return ntype;
- ntype = TYPE_CHAIN (ntype);
- } while (ntype != type);
+ do
+ {
+ if (TYPE_INSTANCE_FLAGS (ntype) == new_flags)
+ return ntype;
+ ntype = TYPE_CHAIN (ntype);
+ }
+ while (ntype != type);
/* Create a new type instance. */
if (storage == NULL)
{
struct type *ntype;
int new_flags = ((TYPE_INSTANCE_FLAGS (type)
- & ~(TYPE_FLAG_CODE_SPACE | TYPE_FLAG_DATA_SPACE
- | TYPE_FLAG_ADDRESS_CLASS_ALL))
+ & ~(TYPE_INSTANCE_FLAG_CODE_SPACE
+ | TYPE_INSTANCE_FLAG_DATA_SPACE
+ | TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL))
| space_flag);
return make_qualified_type (type, new_flags, NULL);
struct objfile *objfile;
int new_flags = (TYPE_INSTANCE_FLAGS (type)
- & ~(TYPE_FLAG_CONST | TYPE_FLAG_VOLATILE));
+ & ~(TYPE_INSTANCE_FLAG_CONST | TYPE_INSTANCE_FLAG_VOLATILE));
if (cnst)
- new_flags |= TYPE_FLAG_CONST;
+ new_flags |= TYPE_INSTANCE_FLAG_CONST;
if (voltl)
- new_flags |= TYPE_FLAG_VOLATILE;
+ new_flags |= TYPE_INSTANCE_FLAG_VOLATILE;
if (typeptr && *typeptr != NULL)
{
/* The type length is not a part of the main type. Update it for
each type on the variant chain. */
chain = ntype;
- do {
- /* Assert that this element of the chain has no address-class bits
- set in its flags. Such type variants might have type lengths
- which are supposed to be different from the non-address-class
- variants. This assertion shouldn't ever be triggered because
- symbol readers which do construct address-class variants don't
- call replace_type(). */
- gdb_assert (TYPE_ADDRESS_CLASS_ALL (chain) == 0);
-
- TYPE_LENGTH (chain) = TYPE_LENGTH (type);
- chain = TYPE_CHAIN (chain);
- } while (ntype != chain);
+ do
+ {
+ /* Assert that this element of the chain has no address-class bits
+ set in its flags. Such type variants might have type lengths
+ which are supposed to be different from the non-address-class
+ variants. This assertion shouldn't ever be triggered because
+ symbol readers which do construct address-class variants don't
+ call replace_type(). */
+ gdb_assert (TYPE_ADDRESS_CLASS_ALL (chain) == 0);
+
+ TYPE_LENGTH (chain) = TYPE_LENGTH (type);
+ chain = TYPE_CHAIN (chain);
+ }
+ while (ntype != chain);
/* Assert that the two types have equivalent instance qualifiers.
This should be true for at least all of our debug readers. */
{
struct type *mtype;
- mtype = alloc_type (TYPE_OBJFILE (type));
+ mtype = alloc_type_copy (type);
smash_to_memberptr_type (mtype, domain, type);
- return (mtype);
+ return mtype;
}
/* Return a pointer-to-method type, for a method of type TO_TYPE. */
{
struct type *mtype;
- mtype = alloc_type (TYPE_OBJFILE (to_type));
- TYPE_TARGET_TYPE (mtype) = to_type;
- TYPE_DOMAIN_TYPE (mtype) = TYPE_DOMAIN_TYPE (to_type);
- TYPE_LENGTH (mtype) = cplus_method_ptr_size ();
- TYPE_CODE (mtype) = TYPE_CODE_METHODPTR;
+ mtype = alloc_type_copy (to_type);
+ smash_to_methodptr_type (mtype, to_type);
return mtype;
}
{
struct type *mtype;
- mtype = init_type (TYPE_CODE_METHOD, 1, TYPE_FLAG_STUB, NULL,
- TYPE_OBJFILE (type));
+ mtype = alloc_type_copy (type);
+ TYPE_CODE (mtype) = TYPE_CODE_METHOD;
+ TYPE_LENGTH (mtype) = 1;
+ TYPE_STUB (mtype) = 1;
TYPE_TARGET_TYPE (mtype) = type;
/* _DOMAIN_TYPE (mtype) = unknown yet */
- return (mtype);
+ return mtype;
}
/* Create a range type using either a blank type supplied in
struct type *
create_range_type (struct type *result_type, struct type *index_type,
- int low_bound, int high_bound)
+ LONGEST low_bound, LONGEST high_bound)
{
if (result_type == NULL)
- {
- result_type = alloc_type (TYPE_OBJFILE (index_type));
- }
+ result_type = alloc_type_copy (index_type);
TYPE_CODE (result_type) = TYPE_CODE_RANGE;
TYPE_TARGET_TYPE (result_type) = index_type;
if (TYPE_STUB (index_type))
- TYPE_FLAGS (result_type) |= TYPE_FLAG_TARGET_STUB;
+ TYPE_TARGET_STUB (result_type) = 1;
else
TYPE_LENGTH (result_type) = TYPE_LENGTH (check_typedef (index_type));
- TYPE_NFIELDS (result_type) = 2;
- TYPE_FIELDS (result_type) = (struct field *)
- TYPE_ALLOC (result_type, 2 * sizeof (struct field));
- memset (TYPE_FIELDS (result_type), 0, 2 * sizeof (struct field));
- TYPE_FIELD_BITPOS (result_type, 0) = low_bound;
- TYPE_FIELD_BITPOS (result_type, 1) = high_bound;
+ TYPE_RANGE_DATA (result_type) = (struct range_bounds *)
+ TYPE_ZALLOC (result_type, sizeof (struct range_bounds));
+ TYPE_LOW_BOUND (result_type) = low_bound;
+ TYPE_HIGH_BOUND (result_type) = high_bound;
if (low_bound >= 0)
- TYPE_FLAGS (result_type) |= TYPE_FLAG_UNSIGNED;
+ TYPE_UNSIGNED (result_type) = 1;
- return (result_type);
+ return result_type;
}
/* Set *LOWP and *HIGHP to the lower and upper bounds of discrete type
/* Set unsigned indicator if warranted. */
if (*lowp >= 0)
{
- TYPE_FLAGS (type) |= TYPE_FLAG_UNSIGNED;
+ TYPE_UNSIGNED (type) = 1;
}
}
else
LONGEST low_bound, high_bound;
if (result_type == NULL)
- {
- result_type = alloc_type (TYPE_OBJFILE (range_type));
- }
+ result_type = alloc_type_copy (range_type);
+
TYPE_CODE (result_type) = TYPE_CODE_ARRAY;
TYPE_TARGET_TYPE (result_type) = element_type;
if (get_discrete_bounds (range_type, &low_bound, &high_bound) < 0)
low_bound = high_bound = 0;
CHECK_TYPEDEF (element_type);
- TYPE_LENGTH (result_type) =
- TYPE_LENGTH (element_type) * (high_bound - low_bound + 1);
+ /* Be careful when setting the array length. Ada arrays can be
+ empty arrays with the high_bound being smaller than the low_bound.
+ In such cases, the array length should be zero. */
+ if (high_bound < low_bound)
+ TYPE_LENGTH (result_type) = 0;
+ else
+ TYPE_LENGTH (result_type) =
+ TYPE_LENGTH (element_type) * (high_bound - low_bound + 1);
TYPE_NFIELDS (result_type) = 1;
TYPE_FIELDS (result_type) =
- (struct field *) TYPE_ALLOC (result_type, sizeof (struct field));
- memset (TYPE_FIELDS (result_type), 0, sizeof (struct field));
- TYPE_FIELD_TYPE (result_type, 0) = range_type;
+ (struct field *) TYPE_ZALLOC (result_type, sizeof (struct field));
+ TYPE_INDEX_TYPE (result_type) = range_type;
TYPE_VPTR_FIELDNO (result_type) = -1;
/* TYPE_FLAG_TARGET_STUB will take care of zero length arrays */
if (TYPE_LENGTH (result_type) == 0)
- TYPE_FLAGS (result_type) |= TYPE_FLAG_TARGET_STUB;
+ TYPE_TARGET_STUB (result_type) = 1;
+
+ return result_type;
+}
- return (result_type);
+struct type *
+lookup_array_range_type (struct type *element_type,
+ int low_bound, int high_bound)
+{
+ struct gdbarch *gdbarch = get_type_arch (element_type);
+ struct type *index_type = builtin_type (gdbarch)->builtin_int;
+ struct type *range_type
+ = create_range_type (NULL, index_type, low_bound, high_bound);
+ return create_array_type (NULL, element_type, range_type);
}
/* Create a string type using either a blank type supplied in
type? */
struct type *
-create_string_type (struct type *result_type,
+create_string_type (struct type *result_type,
+ struct type *string_char_type,
struct type *range_type)
{
- struct type *string_char_type;
-
- string_char_type = language_string_char_type (current_language,
- current_gdbarch);
result_type = create_array_type (result_type,
string_char_type,
range_type);
TYPE_CODE (result_type) = TYPE_CODE_STRING;
- return (result_type);
+ return result_type;
+}
+
+struct type *
+lookup_string_range_type (struct type *string_char_type,
+ int low_bound, int high_bound)
+{
+ struct type *result_type;
+ result_type = lookup_array_range_type (string_char_type,
+ low_bound, high_bound);
+ TYPE_CODE (result_type) = TYPE_CODE_STRING;
+ return result_type;
}
struct type *
create_set_type (struct type *result_type, struct type *domain_type)
{
if (result_type == NULL)
- {
- result_type = alloc_type (TYPE_OBJFILE (domain_type));
- }
+ result_type = alloc_type_copy (domain_type);
+
TYPE_CODE (result_type) = TYPE_CODE_SET;
TYPE_NFIELDS (result_type) = 1;
- TYPE_FIELDS (result_type) = (struct field *)
- TYPE_ALLOC (result_type, 1 * sizeof (struct field));
- memset (TYPE_FIELDS (result_type), 0, sizeof (struct field));
+ TYPE_FIELDS (result_type) = TYPE_ZALLOC (result_type, sizeof (struct field));
if (!TYPE_STUB (domain_type))
{
TYPE_LENGTH (result_type)
= (bit_length + TARGET_CHAR_BIT - 1) / TARGET_CHAR_BIT;
if (low_bound >= 0)
- TYPE_FLAGS (result_type) |= TYPE_FLAG_UNSIGNED;
+ TYPE_UNSIGNED (result_type) = 1;
}
TYPE_FIELD_TYPE (result_type, 0) = domain_type;
- return (result_type);
-}
-
-void
-append_flags_type_flag (struct type *type, int bitpos, char *name)
-{
- gdb_assert (TYPE_CODE (type) == TYPE_CODE_FLAGS);
- gdb_assert (bitpos < TYPE_NFIELDS (type));
- gdb_assert (bitpos >= 0);
-
- if (name)
- {
- TYPE_FIELD_NAME (type, bitpos) = xstrdup (name);
- TYPE_FIELD_BITPOS (type, bitpos) = bitpos;
- }
- else
- {
- /* Don't show this field to the user. */
- TYPE_FIELD_BITPOS (type, bitpos) = -1;
- }
-}
-
-struct type *
-init_flags_type (char *name, int length)
-{
- int nfields = length * TARGET_CHAR_BIT;
- struct type *type;
-
- type = init_type (TYPE_CODE_FLAGS, length,
- TYPE_FLAG_UNSIGNED, name, NULL);
- TYPE_NFIELDS (type) = nfields;
- TYPE_FIELDS (type) = TYPE_ALLOC (type,
- nfields * sizeof (struct field));
- memset (TYPE_FIELDS (type), 0, nfields * sizeof (struct field));
-
- return type;
+ return result_type;
}
/* Convert ARRAY_TYPE to a vector type. This may modify ARRAY_TYPE
TYPE_TARGET_TYPE (inner_array) = elt_type;
}
- TYPE_FLAGS (array_type) |= TYPE_FLAG_VECTOR;
+ TYPE_VECTOR (array_type) = 1;
}
struct type *
init_vector_type (struct type *elt_type, int n)
{
struct type *array_type;
-
- array_type = create_array_type (0, elt_type,
- create_range_type (0,
- builtin_type_int32,
- 0, n-1));
+ array_type = lookup_array_range_type (elt_type, 0, n - 1);
make_vector_type (array_type);
return array_type;
}
smash_to_memberptr_type (struct type *type, struct type *domain,
struct type *to_type)
{
- struct objfile *objfile;
-
- objfile = TYPE_OBJFILE (type);
-
smash_type (type);
- TYPE_OBJFILE (type) = objfile;
TYPE_TARGET_TYPE (type) = to_type;
TYPE_DOMAIN_TYPE (type) = domain;
/* Assume that a data member pointer is the same size as a normal
pointer. */
- TYPE_LENGTH (type) = gdbarch_ptr_bit (current_gdbarch) / TARGET_CHAR_BIT;
+ TYPE_LENGTH (type)
+ = gdbarch_ptr_bit (get_type_arch (to_type)) / TARGET_CHAR_BIT;
TYPE_CODE (type) = TYPE_CODE_MEMBERPTR;
}
+/* Smash TYPE to be a type of pointer to methods type TO_TYPE.
+
+ When "smashing" the type, we preserve the objfile that the old type
+ pointed to, since we aren't changing where the type is actually
+ allocated. */
+
+void
+smash_to_methodptr_type (struct type *type, struct type *to_type)
+{
+ smash_type (type);
+ TYPE_TARGET_TYPE (type) = to_type;
+ TYPE_DOMAIN_TYPE (type) = TYPE_DOMAIN_TYPE (to_type);
+ TYPE_LENGTH (type) = cplus_method_ptr_size (to_type);
+ TYPE_CODE (type) = TYPE_CODE_METHODPTR;
+}
+
/* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE.
METHOD just means `function that gets an extra "this" argument'.
struct type *to_type, struct field *args,
int nargs, int varargs)
{
- struct objfile *objfile;
-
- objfile = TYPE_OBJFILE (type);
-
smash_type (type);
- TYPE_OBJFILE (type) = objfile;
TYPE_TARGET_TYPE (type) = to_type;
TYPE_DOMAIN_TYPE (type) = domain;
TYPE_FIELDS (type) = args;
TYPE_NFIELDS (type) = nargs;
if (varargs)
- TYPE_FLAGS (type) |= TYPE_FLAG_VARARGS;
+ TYPE_VARARGS (type) = 1;
TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */
TYPE_CODE (type) = TYPE_CODE_METHOD;
}
suitably defined. */
struct type *
-lookup_typename (char *name, struct block *block, int noerr)
+lookup_typename (const struct language_defn *language,
+ struct gdbarch *gdbarch, char *name,
+ struct block *block, int noerr)
{
struct symbol *sym;
struct type *tmp;
- sym = lookup_symbol (name, block, VAR_DOMAIN, 0,
- (struct symtab **) NULL);
+ sym = lookup_symbol (name, block, VAR_DOMAIN, 0);
if (sym == NULL || SYMBOL_CLASS (sym) != LOC_TYPEDEF)
{
- tmp = language_lookup_primitive_type_by_name (current_language,
- current_gdbarch,
- name);
+ tmp = language_lookup_primitive_type_by_name (language, gdbarch, name);
if (tmp)
{
- return (tmp);
+ return tmp;
}
else if (!tmp && noerr)
{
- return (NULL);
+ return NULL;
}
else
{
}
struct type *
-lookup_unsigned_typename (char *name)
+lookup_unsigned_typename (const struct language_defn *language,
+ struct gdbarch *gdbarch, char *name)
{
char *uns = alloca (strlen (name) + 10);
strcpy (uns, "unsigned ");
strcpy (uns + 9, name);
- return (lookup_typename (uns, (struct block *) NULL, 0));
+ return lookup_typename (language, gdbarch, uns, (struct block *) NULL, 0);
}
struct type *
-lookup_signed_typename (char *name)
+lookup_signed_typename (const struct language_defn *language,
+ struct gdbarch *gdbarch, char *name)
{
struct type *t;
char *uns = alloca (strlen (name) + 8);
strcpy (uns, "signed ");
strcpy (uns + 7, name);
- t = lookup_typename (uns, (struct block *) NULL, 1);
+ t = lookup_typename (language, gdbarch, uns, (struct block *) NULL, 1);
/* If we don't find "signed FOO" just try again with plain "FOO". */
if (t != NULL)
return t;
- return lookup_typename (name, (struct block *) NULL, 0);
+ return lookup_typename (language, gdbarch, name, (struct block *) NULL, 0);
}
/* Lookup a structure type named "struct NAME",
{
struct symbol *sym;
- sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0,
- (struct symtab **) NULL);
+ sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0);
if (sym == NULL)
{
struct symbol *sym;
struct type *t;
- sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0,
- (struct symtab **) NULL);
+ sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0);
if (sym == NULL)
error (_("No union type named %s."), name);
t = SYMBOL_TYPE (sym);
if (TYPE_CODE (t) == TYPE_CODE_UNION)
- return (t);
-
- /* C++ unions may come out with TYPE_CODE_CLASS, but we look at
- * a further "declared_type" field to discover it is really a union.
- */
- if (HAVE_CPLUS_STRUCT (t))
- if (TYPE_DECLARED_TYPE (t) == DECLARED_TYPE_UNION)
- return (t);
+ return t;
/* If we get here, it's not a union. */
error (_("This context has class, struct or enum %s, not a union."),
{
struct symbol *sym;
- sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0,
- (struct symtab **) NULL);
+ sym = lookup_symbol (name, block, STRUCT_DOMAIN, 0);
if (sym == NULL)
{
error (_("No enum type named %s."), name);
strcat (nam, TYPE_NAME (type));
strcat (nam, " >"); /* FIXME, extra space still introduced in gcc? */
- sym = lookup_symbol (nam, block, VAR_DOMAIN, 0,
- (struct symtab **) NULL);
+ sym = lookup_symbol (nam, block, VAR_DOMAIN, 0);
if (sym == NULL)
{
return (struct type *) -1; /* For lint */
}
-/* If possible, make the vptr_fieldno and vptr_basetype fields of TYPE
- valid. Callers should be aware that in some cases (for example,
+/* Lookup the vptr basetype/fieldno values for TYPE.
+ If found store vptr_basetype in *BASETYPEP if non-NULL, and return
+ vptr_fieldno. Also, if found and basetype is from the same objfile,
+ cache the results.
+ If not found, return -1 and ignore BASETYPEP.
+ Callers should be aware that in some cases (for example,
the type or one of its baseclasses is a stub type and we are
- debugging a .o file), this function will not be able to find the
+ debugging a .o file, or the compiler uses DWARF-2 and is not GCC),
+ this function will not be able to find the
virtual function table pointer, and vptr_fieldno will remain -1 and
- vptr_basetype will remain NULL. */
+ vptr_basetype will remain NULL or incomplete. */
-void
-fill_in_vptr_fieldno (struct type *type)
+int
+get_vptr_fieldno (struct type *type, struct type **basetypep)
{
CHECK_TYPEDEF (type);
is virtual (and hence we cannot share the table pointer). */
for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
{
- struct type *baseclass = check_typedef (TYPE_BASECLASS (type,
- i));
- fill_in_vptr_fieldno (baseclass);
- if (TYPE_VPTR_FIELDNO (baseclass) >= 0)
+ struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i));
+ int fieldno;
+ struct type *basetype;
+
+ fieldno = get_vptr_fieldno (baseclass, &basetype);
+ if (fieldno >= 0)
{
- TYPE_VPTR_FIELDNO (type) = TYPE_VPTR_FIELDNO (baseclass);
- TYPE_VPTR_BASETYPE (type) = TYPE_VPTR_BASETYPE (baseclass);
- break;
+ /* If the type comes from a different objfile we can't cache
+ it, it may have a different lifetime. PR 2384 */
+ if (TYPE_OBJFILE (type) == TYPE_OBJFILE (basetype))
+ {
+ TYPE_VPTR_FIELDNO (type) = fieldno;
+ TYPE_VPTR_BASETYPE (type) = basetype;
+ }
+ if (basetypep)
+ *basetypep = basetype;
+ return fieldno;
}
}
- }
-}
-
-/* Find the method and field indices for the destructor in class type T.
- Return 1 if the destructor was found, otherwise, return 0. */
-
-int
-get_destructor_fn_field (struct type *t,
- int *method_indexp,
- int *field_indexp)
-{
- int i;
- for (i = 0; i < TYPE_NFN_FIELDS (t); i++)
+ /* Not found. */
+ return -1;
+ }
+ else
{
- int j;
- struct fn_field *f = TYPE_FN_FIELDLIST1 (t, i);
-
- for (j = 0; j < TYPE_FN_FIELDLIST_LENGTH (t, i); j++)
- {
- if (is_destructor_name (TYPE_FN_FIELD_PHYSNAME (f, j)) != 0)
- {
- *method_indexp = i;
- *field_indexp = j;
- return 1;
- }
- }
+ if (basetypep)
+ *basetypep = TYPE_VPTR_BASETYPE (type);
+ return TYPE_VPTR_FIELDNO (type);
}
- return 0;
}
static void
symbols which contain a full definition for the type.
This used to be coded as a macro, but I don't think it is called
- often enough to merit such treatment. */
+ often enough to merit such treatment.
-/* Find the real type of TYPE. This function returns the real type,
+ Find the real type of TYPE. This function returns the real type,
after removing all layers of typedefs and completing opaque or stub
types. Completion changes the TYPE argument, but stripping of
- typedefs does not. */
+ typedefs does not.
+
+ If TYPE is a TYPE_CODE_TYPEDEF, its length is (also) set to the length of
+ the target type instead of zero. However, in the case of TYPE_CODE_TYPEDEF
+ check_typedef can still return different type than the original TYPE
+ pointer. */
struct type *
check_typedef (struct type *type)
stub_noname_complaint ();
return type;
}
- sym = lookup_symbol (name, 0, STRUCT_DOMAIN, 0,
- (struct symtab **) NULL);
+ sym = lookup_symbol (name, 0, STRUCT_DOMAIN, 0);
if (sym)
TYPE_TARGET_TYPE (type) = SYMBOL_TYPE (sym);
else /* TYPE_CODE_UNDEF */
- TYPE_TARGET_TYPE (type) = alloc_type (NULL);
+ TYPE_TARGET_TYPE (type) = alloc_type_arch (get_type_arch (type));
}
type = TYPE_TARGET_TYPE (type);
}
stub_noname_complaint ();
return type;
}
- sym = lookup_symbol (name, 0, STRUCT_DOMAIN,
- 0, (struct symtab **) NULL);
+ sym = lookup_symbol (name, 0, STRUCT_DOMAIN, 0);
if (sym)
{
/* Same as above for opaque types, we can replace the stub
}
else if (TYPE_CODE (type) == TYPE_CODE_ARRAY
&& TYPE_NFIELDS (type) == 1
- && (TYPE_CODE (range_type = TYPE_FIELD_TYPE (type, 0))
+ && (TYPE_CODE (range_type = TYPE_INDEX_TYPE (type))
== TYPE_CODE_RANGE))
{
/* Now recompute the length of the array type, based on its
- number of elements and the target type's length. */
- TYPE_LENGTH (type) =
- ((TYPE_FIELD_BITPOS (range_type, 1)
- - TYPE_FIELD_BITPOS (range_type, 0) + 1)
- * TYPE_LENGTH (target_type));
- TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB;
+ number of elements and the target type's length.
+ Watch out for Ada null Ada arrays where the high bound
+ is smaller than the low bound. */
+ const LONGEST low_bound = TYPE_LOW_BOUND (range_type);
+ const LONGEST high_bound = TYPE_HIGH_BOUND (range_type);
+ ULONGEST len;
+
+ if (high_bound < low_bound)
+ len = 0;
+ else {
+ /* For now, we conservatively take the array length to be 0
+ if its length exceeds UINT_MAX. The code below assumes
+ that for x < 0, (ULONGEST) x == -x + ULONGEST_MAX + 1,
+ which is technically not guaranteed by C, but is usually true
+ (because it would be true if x were unsigned with its
+ high-order bit on). It uses the fact that
+ high_bound-low_bound is always representable in
+ ULONGEST and that if high_bound-low_bound+1 overflows,
+ it overflows to 0. We must change these tests if we
+ decide to increase the representation of TYPE_LENGTH
+ from unsigned int to ULONGEST. */
+ ULONGEST ulow = low_bound, uhigh = high_bound;
+ ULONGEST tlen = TYPE_LENGTH (target_type);
+
+ len = tlen * (uhigh - ulow + 1);
+ if (tlen == 0 || (len / tlen - 1 + ulow) != uhigh
+ || len > UINT_MAX)
+ len = 0;
+ }
+ TYPE_LENGTH (type) = len;
+ TYPE_TARGET_STUB (type) = 0;
}
else if (TYPE_CODE (type) == TYPE_CODE_RANGE)
{
TYPE_LENGTH (type) = TYPE_LENGTH (target_type);
- TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB;
+ TYPE_TARGET_STUB (type) = 0;
}
}
/* Cache TYPE_LENGTH for future use. */
}
/* Parse a type expression in the string [P..P+LENGTH). If an error
- occurs, silently return builtin_type_void. */
+ occurs, silently return a void type. */
static struct type *
-safe_parse_type (char *p, int length)
+safe_parse_type (struct gdbarch *gdbarch, char *p, int length)
{
struct ui_file *saved_gdb_stderr;
struct type *type;
/* Call parse_and_eval_type() without fear of longjmp()s. */
if (!gdb_parse_and_eval_type (p, length, &type))
- type = builtin_type_void;
+ type = builtin_type (gdbarch)->builtin_void;
/* Stop suppressing error messages. */
ui_file_delete (gdb_stderr);
static void
check_stub_method (struct type *type, int method_id, int signature_id)
{
+ struct gdbarch *gdbarch = get_type_arch (type);
struct fn_field *f;
char *mangled_name = gdb_mangle_name (type, method_id, signature_id);
char *demangled_name = cplus_demangle (mangled_name,
&& strncmp (argtypetext, "void", p - argtypetext) != 0)
{
argtypes[argcount].type =
- safe_parse_type (argtypetext, p - argtypetext);
+ safe_parse_type (gdbarch, argtypetext, p - argtypetext);
argcount += 1;
}
argtypetext = p + 1;
TYPE_DOMAIN_TYPE (mtype) = type;
TYPE_FIELDS (mtype) = argtypes;
TYPE_NFIELDS (mtype) = argcount;
- TYPE_FLAGS (mtype) &= ~TYPE_FLAG_STUB;
+ TYPE_STUB (mtype) = 0;
TYPE_FN_FIELD_STUB (f, signature_id) = 0;
if (p[-2] == '.')
- TYPE_FLAGS (mtype) |= TYPE_FLAG_VARARGS;
+ TYPE_VARARGS (mtype) = 1;
xfree (demangled_name);
}
void
allocate_cplus_struct_type (struct type *type)
{
- if (!HAVE_CPLUS_STRUCT (type))
- {
- TYPE_CPLUS_SPECIFIC (type) = (struct cplus_struct_type *)
- TYPE_ALLOC (type, sizeof (struct cplus_struct_type));
- *(TYPE_CPLUS_SPECIFIC (type)) = cplus_struct_default;
- }
-}
-
-/* Helper function to initialize the standard scalar types.
-
- If NAME is non-NULL and OBJFILE is non-NULL, then we make a copy of
- the string pointed to by name in the objfile_obstack for that
- objfile, and initialize the type name to that copy. There are
- places (mipsread.c in particular, where init_type is called with a
- NULL value for NAME). */
-
-struct type *
-init_type (enum type_code code, int length, int flags,
- char *name, struct objfile *objfile)
-{
- struct type *type;
-
- type = alloc_type (objfile);
- TYPE_CODE (type) = code;
- TYPE_LENGTH (type) = length;
- TYPE_FLAGS (type) |= flags;
- if ((name != NULL) && (objfile != NULL))
- {
- TYPE_NAME (type) = obsavestring (name, strlen (name),
- &objfile->objfile_obstack);
- }
- else
- {
- TYPE_NAME (type) = name;
- }
-
- /* C++ fancies. */
-
- if (name && strcmp (name, "char") == 0)
- TYPE_FLAGS (type) |= TYPE_FLAG_NOSIGN;
-
- if (code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION
- || code == TYPE_CODE_NAMESPACE)
- {
- INIT_CPLUS_SPECIFIC (type);
- }
- return (type);
-}
-
-/* Helper function. Create an empty composite type. */
+ if (HAVE_CPLUS_STRUCT (type))
+ /* Structure was already allocated. Nothing more to do. */
+ return;
-struct type *
-init_composite_type (char *name, enum type_code code)
-{
- struct type *t;
- gdb_assert (code == TYPE_CODE_STRUCT
- || code == TYPE_CODE_UNION);
- t = init_type (code, 0, 0, NULL, NULL);
- TYPE_TAG_NAME (t) = name;
- return t;
+ TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_CPLUS_STUFF;
+ TYPE_RAW_CPLUS_SPECIFIC (type) = (struct cplus_struct_type *)
+ TYPE_ALLOC (type, sizeof (struct cplus_struct_type));
+ *(TYPE_RAW_CPLUS_SPECIFIC (type)) = cplus_struct_default;
}
-/* Helper function. Append a field to a composite type. */
+const struct gnat_aux_type gnat_aux_default =
+ { NULL };
+/* Set the TYPE's type-specific kind to TYPE_SPECIFIC_GNAT_STUFF,
+ and allocate the associated gnat-specific data. The gnat-specific
+ data is also initialized to gnat_aux_default. */
void
-append_composite_type_field (struct type *t, char *name,
- struct type *field)
+allocate_gnat_aux_type (struct type *type)
{
- struct field *f;
- TYPE_NFIELDS (t) = TYPE_NFIELDS (t) + 1;
- TYPE_FIELDS (t) = xrealloc (TYPE_FIELDS (t),
- sizeof (struct field) * TYPE_NFIELDS (t));
- f = &(TYPE_FIELDS (t)[TYPE_NFIELDS (t) - 1]);
- memset (f, 0, sizeof f[0]);
- FIELD_TYPE (f[0]) = field;
- FIELD_NAME (f[0]) = name;
- if (TYPE_CODE (t) == TYPE_CODE_UNION)
- {
- if (TYPE_LENGTH (t) < TYPE_LENGTH (field))
- TYPE_LENGTH (t) = TYPE_LENGTH (field);
- }
- else if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
- {
- TYPE_LENGTH (t) = TYPE_LENGTH (t) + TYPE_LENGTH (field);
- if (TYPE_NFIELDS (t) > 1)
- {
- FIELD_BITPOS (f[0]) = (FIELD_BITPOS (f[-1])
- + TYPE_LENGTH (field) * TARGET_CHAR_BIT);
- }
- }
+ TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_GNAT_STUFF;
+ TYPE_GNAT_SPECIFIC (type) = (struct gnat_aux_type *)
+ TYPE_ALLOC (type, sizeof (struct gnat_aux_type));
+ *(TYPE_GNAT_SPECIFIC (type)) = gnat_aux_default;
}
-/* Look up a fundamental type for the specified objfile.
- May need to construct such a type if this is the first use.
-
- Some object file formats (ELF, COFF, etc) do not define fundamental
- types such as "int" or "double". Others (stabs for example), do
- define fundamental types.
-
- For the formats which don't provide fundamental types, gdb can
- create such types, using defaults reasonable for the current
- language and the current target machine.
- NOTE: This routine is obsolescent. Each debugging format reader
- should manage it's own fundamental types, either creating them from
- suitable defaults or reading them from the debugging information,
- whichever is appropriate. The DWARF reader has already been fixed
- to do this. Once the other readers are fixed, this routine will go
- away. Also note that fundamental types should be managed on a
- compilation unit basis in a multi-language environment, not on a
- linkage unit basis as is done here. */
+/* Helper function to initialize the standard scalar types.
+ If NAME is non-NULL, then we make a copy of the string pointed
+ to by name in the objfile_obstack for that objfile, and initialize
+ the type name to that copy. There are places (mipsread.c in particular),
+ where init_type is called with a NULL value for NAME). */
struct type *
-lookup_fundamental_type (struct objfile *objfile, int typeid)
+init_type (enum type_code code, int length, int flags,
+ char *name, struct objfile *objfile)
{
- struct type **typep;
- int nbytes;
+ struct type *type;
- if (typeid < 0 || typeid >= FT_NUM_MEMBERS)
- {
- error (_("internal error - invalid fundamental type id %d"),
- typeid);
- }
+ type = alloc_type (objfile);
+ TYPE_CODE (type) = code;
+ TYPE_LENGTH (type) = length;
- /* If this is the first time we need a fundamental type for this
- objfile then we need to initialize the vector of type
- pointers. */
+ gdb_assert (!(flags & (TYPE_FLAG_MIN - 1)));
+ if (flags & TYPE_FLAG_UNSIGNED)
+ TYPE_UNSIGNED (type) = 1;
+ if (flags & TYPE_FLAG_NOSIGN)
+ TYPE_NOSIGN (type) = 1;
+ if (flags & TYPE_FLAG_STUB)
+ TYPE_STUB (type) = 1;
+ if (flags & TYPE_FLAG_TARGET_STUB)
+ TYPE_TARGET_STUB (type) = 1;
+ if (flags & TYPE_FLAG_STATIC)
+ TYPE_STATIC (type) = 1;
+ if (flags & TYPE_FLAG_PROTOTYPED)
+ TYPE_PROTOTYPED (type) = 1;
+ if (flags & TYPE_FLAG_INCOMPLETE)
+ TYPE_INCOMPLETE (type) = 1;
+ if (flags & TYPE_FLAG_VARARGS)
+ TYPE_VARARGS (type) = 1;
+ if (flags & TYPE_FLAG_VECTOR)
+ TYPE_VECTOR (type) = 1;
+ if (flags & TYPE_FLAG_STUB_SUPPORTED)
+ TYPE_STUB_SUPPORTED (type) = 1;
+ if (flags & TYPE_FLAG_NOTTEXT)
+ TYPE_NOTTEXT (type) = 1;
+ if (flags & TYPE_FLAG_FIXED_INSTANCE)
+ TYPE_FIXED_INSTANCE (type) = 1;
- if (objfile->fundamental_types == NULL)
- {
- nbytes = FT_NUM_MEMBERS * sizeof (struct type *);
- objfile->fundamental_types = (struct type **)
- obstack_alloc (&objfile->objfile_obstack, nbytes);
- memset ((char *) objfile->fundamental_types, 0, nbytes);
- OBJSTAT (objfile, n_types += FT_NUM_MEMBERS);
- }
+ if (name)
+ TYPE_NAME (type) = obsavestring (name, strlen (name),
+ &objfile->objfile_obstack);
- /* Look for this particular type in the fundamental type vector. If
- one is not found, create and install one appropriate for the
- current language. */
+ /* C++ fancies. */
- typep = objfile->fundamental_types + typeid;
- if (*typep == NULL)
- {
- *typep = create_fundamental_type (objfile, typeid);
+ if (name && strcmp (name, "char") == 0)
+ TYPE_NOSIGN (type) = 1;
+
+ switch (code)
+ {
+ case TYPE_CODE_STRUCT:
+ case TYPE_CODE_UNION:
+ case TYPE_CODE_NAMESPACE:
+ INIT_CPLUS_SPECIFIC (type);
+ break;
+ case TYPE_CODE_FLT:
+ TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_FLOATFORMAT;
+ break;
+ case TYPE_CODE_FUNC:
+ TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_CALLING_CONVENTION;
+ break;
}
-
- return (*typep);
+ return type;
}
int
|| (TYPE_CODE (t) == TYPE_CODE_BOOL)));
}
+/* A helper function which returns true if types A and B represent the
+ "same" class type. This is true if the types have the same main
+ type, or the same name. */
+
+int
+class_types_same_p (const struct type *a, const struct type *b)
+{
+ return (TYPE_MAIN_TYPE (a) == TYPE_MAIN_TYPE (b)
+ || (TYPE_NAME (a) && TYPE_NAME (b)
+ && !strcmp (TYPE_NAME (a), TYPE_NAME (b))));
+}
+
/* Check whether BASE is an ancestor or base class or DCLASS
Return 1 if so, and 0 if not.
Note: callers may want to check for identity of the types before
CHECK_TYPEDEF (base);
CHECK_TYPEDEF (dclass);
- if (base == dclass)
- return 1;
- if (TYPE_NAME (base) && TYPE_NAME (dclass)
- && !strcmp (TYPE_NAME (base), TYPE_NAME (dclass)))
+ if (class_types_same_p (base, dclass))
return 1;
for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++)
- if (is_ancestor (base, TYPE_BASECLASS (dclass, i)))
- return 1;
+ {
+ if (is_ancestor (base, TYPE_BASECLASS (dclass, i)))
+ return 1;
+ }
return 0;
}
-
-
-/* See whether DCLASS has a virtual table. This routine is aimed at
- the HP/Taligent ANSI C++ runtime model, and may not work with other
- runtime models. Return 1 => Yes, 0 => No. */
+/* Like is_ancestor, but only returns true when BASE is a public
+ ancestor of DCLASS. */
int
-has_vtable (struct type *dclass)
+is_public_ancestor (struct type *base, struct type *dclass)
{
- /* In the HP ANSI C++ runtime model, a class has a vtable only if it
- has virtual functions or virtual bases. */
-
int i;
- if (TYPE_CODE (dclass) != TYPE_CODE_CLASS)
- return 0;
-
- /* First check for the presence of virtual bases. */
- if (TYPE_FIELD_VIRTUAL_BITS (dclass))
- for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++)
- if (B_TST (TYPE_FIELD_VIRTUAL_BITS (dclass), i))
- return 1;
+ CHECK_TYPEDEF (base);
+ CHECK_TYPEDEF (dclass);
- /* Next check for virtual functions. */
- if (TYPE_FN_FIELDLISTS (dclass))
- for (i = 0; i < TYPE_NFN_FIELDS (dclass); i++)
- if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (dclass, i), 0))
- return 1;
+ if (class_types_same_p (base, dclass))
+ return 1;
- /* Recurse on non-virtual bases to see if any of them needs a
- vtable. */
- if (TYPE_FIELD_VIRTUAL_BITS (dclass))
- for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++)
- if ((!B_TST (TYPE_FIELD_VIRTUAL_BITS (dclass), i))
- && (has_vtable (TYPE_FIELD_TYPE (dclass, i))))
+ for (i = 0; i < TYPE_N_BASECLASSES (dclass); ++i)
+ {
+ if (! BASETYPE_VIA_PUBLIC (dclass, i))
+ continue;
+ if (is_public_ancestor (base, TYPE_BASECLASS (dclass, i)))
return 1;
+ }
- /* Well, maybe we don't need a virtual table. */
return 0;
}
-/* Return a pointer to the "primary base class" of DCLASS.
-
- A NULL return indicates that DCLASS has no primary base, or that it
- couldn't be found (insufficient information).
-
- This routine is aimed at the HP/Taligent ANSI C++ runtime model,
- and may not work with other runtime models. */
+/* A helper function for is_unique_ancestor. */
-struct type *
-primary_base_class (struct type *dclass)
+static int
+is_unique_ancestor_worker (struct type *base, struct type *dclass,
+ int *offset,
+ const bfd_byte *contents, CORE_ADDR address)
{
- /* In HP ANSI C++'s runtime model, a "primary base class" of a class
- is the first directly inherited, non-virtual base class that
- requires a virtual table. */
-
- int i;
+ int i, count = 0;
- if (TYPE_CODE (dclass) != TYPE_CODE_CLASS)
- return NULL;
-
- for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++)
- if (!TYPE_FIELD_VIRTUAL (dclass, i)
- && has_vtable (TYPE_FIELD_TYPE (dclass, i)))
- return TYPE_FIELD_TYPE (dclass, i);
-
- return NULL;
-}
-
-/* Global manipulated by virtual_base_list[_aux](). */
-
-static struct vbase *current_vbase_list = NULL;
-
-/* Return a pointer to a null-terminated list of struct vbase items.
- The vbasetype pointer of each item in the list points to the type
- information for a virtual base of the argument DCLASS.
-
- Helper function for virtual_base_list().
- Note: the list goes backward, right-to-left.
- virtual_base_list() copies the items out in reverse order. */
-
-static void
-virtual_base_list_aux (struct type *dclass)
-{
- struct vbase *tmp_vbase;
- int i;
-
- if (TYPE_CODE (dclass) != TYPE_CODE_CLASS)
- return;
+ CHECK_TYPEDEF (base);
+ CHECK_TYPEDEF (dclass);
- for (i = 0; i < TYPE_N_BASECLASSES (dclass); i++)
+ for (i = 0; i < TYPE_N_BASECLASSES (dclass) && count < 2; ++i)
{
- /* Recurse on this ancestor, first */
- virtual_base_list_aux (TYPE_FIELD_TYPE (dclass, i));
+ struct type *iter = check_typedef (TYPE_BASECLASS (dclass, i));
+ int this_offset = baseclass_offset (dclass, i, contents, address);
- /* If this current base is itself virtual, add it to the list */
- if (BASETYPE_VIA_VIRTUAL (dclass, i))
- {
- struct type *basetype = TYPE_FIELD_TYPE (dclass, i);
+ if (this_offset == -1)
+ error (_("virtual baseclass botch"));
- /* Check if base already recorded */
- tmp_vbase = current_vbase_list;
- while (tmp_vbase)
+ if (class_types_same_p (base, iter))
+ {
+ /* If this is the first subclass, set *OFFSET and set count
+ to 1. Otherwise, if this is at the same offset as
+ previous instances, do nothing. Otherwise, increment
+ count. */
+ if (*offset == -1)
{
- if (tmp_vbase->vbasetype == basetype)
- break; /* found it */
- tmp_vbase = tmp_vbase->next;
+ *offset = this_offset;
+ count = 1;
}
-
- if (!tmp_vbase) /* normal exit from loop */
+ else if (this_offset == *offset)
{
- /* Allocate new item for this virtual base */
- tmp_vbase = (struct vbase *) xmalloc (sizeof (struct vbase));
-
- /* Stick it on at the end of the list */
- tmp_vbase->vbasetype = basetype;
- tmp_vbase->next = current_vbase_list;
- current_vbase_list = tmp_vbase;
+ /* Nothing. */
}
- } /* if virtual */
- } /* for loop over bases */
-}
-
-
-/* Compute the list of virtual bases in the right order. Virtual
- bases are laid out in the object's memory area in order of their
- occurrence in a depth-first, left-to-right search through the
- ancestors.
-
- Argument DCLASS is the type whose virtual bases are required.
- Return value is the address of a null-terminated array of pointers
- to struct type items.
-
- This routine is aimed at the HP/Taligent ANSI C++ runtime model,
- and may not work with other runtime models.
-
- This routine merely hands off the argument to virtual_base_list_aux()
- and then copies the result into an array to save space. */
-
-static struct type **
-virtual_base_list (struct type *dclass)
-{
- struct vbase *tmp_vbase;
- struct vbase *tmp_vbase_2;
- int i;
- int count;
- struct type **vbase_array;
-
- current_vbase_list = NULL;
- virtual_base_list_aux (dclass);
-
- for (i = 0, tmp_vbase = current_vbase_list;
- tmp_vbase != NULL;
- i++, tmp_vbase = tmp_vbase->next)
- /* no body */ ;
-
- count = i;
-
- vbase_array = (struct type **)
- xmalloc ((count + 1) * sizeof (struct type *));
-
- for (i = count - 1, tmp_vbase = current_vbase_list;
- i >= 0; i--,
- tmp_vbase = tmp_vbase->next)
- vbase_array[i] = tmp_vbase->vbasetype;
-
- /* Get rid of constructed chain. */
- tmp_vbase_2 = tmp_vbase = current_vbase_list;
- while (tmp_vbase)
- {
- tmp_vbase = tmp_vbase->next;
- xfree (tmp_vbase_2);
- tmp_vbase_2 = tmp_vbase;
- }
-
- vbase_array[count] = NULL;
- return vbase_array;
-}
-
-/* Return the length of the virtual base list of the type DCLASS. */
-
-int
-virtual_base_list_length (struct type *dclass)
-{
- int i;
- struct vbase *tmp_vbase;
-
- current_vbase_list = NULL;
- virtual_base_list_aux (dclass);
-
- for (i = 0, tmp_vbase = current_vbase_list;
- tmp_vbase != NULL;
- i++, tmp_vbase = tmp_vbase->next)
- /* no body */ ;
- return i;
-}
-
-/* Return the number of elements of the virtual base list of the type
- DCLASS, ignoring those appearing in the primary base (and its
- primary base, recursively). */
-
-int
-virtual_base_list_length_skip_primaries (struct type *dclass)
-{
- int i;
- struct vbase *tmp_vbase;
- struct type *primary;
-
- primary = TYPE_RUNTIME_PTR (dclass) ? TYPE_PRIMARY_BASE (dclass) : NULL;
-
- if (!primary)
- return virtual_base_list_length (dclass);
-
- current_vbase_list = NULL;
- virtual_base_list_aux (dclass);
-
- for (i = 0, tmp_vbase = current_vbase_list;
- tmp_vbase != NULL;
- tmp_vbase = tmp_vbase->next)
- {
- if (virtual_base_index (tmp_vbase->vbasetype, primary) >= 0)
- continue;
- i++;
+ else
+ ++count;
+ }
+ else
+ count += is_unique_ancestor_worker (base, iter, offset,
+ contents + this_offset,
+ address + this_offset);
}
- return i;
-}
-
-/* Return the index (position) of type BASE, which is a virtual base
- class of DCLASS, in the latter's virtual base list. A return of -1
- indicates "not found" or a problem. */
-
-int
-virtual_base_index (struct type *base, struct type *dclass)
-{
- struct type *vbase, **vbase_list;
- int i;
-
- if ((TYPE_CODE (dclass) != TYPE_CODE_CLASS)
- || (TYPE_CODE (base) != TYPE_CODE_CLASS))
- return -1;
-
- vbase_list = virtual_base_list (dclass);
- for (i = 0, vbase = vbase_list[0];
- vbase != NULL;
- vbase = vbase_list[++i])
- if (vbase == base)
- break;
-
- xfree (vbase_list);
- return vbase ? i : -1;
-}
-
-/* Return the index (position) of type BASE, which is a virtual base
- class of DCLASS, in the latter's virtual base list. Skip over all
- bases that may appear in the virtual base list of the primary base
- class of DCLASS (recursively). A return of -1 indicates "not
- found" or a problem. */
-
-int
-virtual_base_index_skip_primaries (struct type *base,
- struct type *dclass)
-{
- struct type *vbase, **vbase_list;
- int i, j;
- struct type *primary;
-
- if ((TYPE_CODE (dclass) != TYPE_CODE_CLASS)
- || (TYPE_CODE (base) != TYPE_CODE_CLASS))
- return -1;
- primary = TYPE_RUNTIME_PTR (dclass) ? TYPE_PRIMARY_BASE (dclass) : NULL;
-
- vbase_list = virtual_base_list (dclass);
- for (i = 0, j = -1, vbase = vbase_list[0];
- vbase != NULL;
- vbase = vbase_list[++i])
- {
- if (!primary
- || (virtual_base_index_skip_primaries (vbase, primary) < 0))
- j++;
- if (vbase == base)
- break;
- }
- xfree (vbase_list);
- return vbase ? j : -1;
+ return count;
}
-/* Return position of a derived class DCLASS in the list of primary
- bases starting with the remotest ancestor. Position returned is
- 0-based. */
+/* Like is_ancestor, but only returns true if BASE is a unique base
+ class of the type of VAL. */
int
-class_index_in_primary_list (struct type *dclass)
+is_unique_ancestor (struct type *base, struct value *val)
{
- struct type *pbc; /* primary base class */
+ int offset = -1;
- /* Simply recurse on primary base */
- pbc = TYPE_PRIMARY_BASE (dclass);
- if (pbc)
- return 1 + class_index_in_primary_list (pbc);
- else
- return 0;
+ return is_unique_ancestor_worker (base, value_type (val), &offset,
+ value_contents (val),
+ value_address (val)) == 1;
}
-/* Return a count of the number of virtual functions a type has. This
- includes all the virtual functions it inherits from its base
- classes too. */
-
-/* pai: FIXME This doesn't do the right thing: count redefined virtual
- functions only once (latest redefinition). */
-
-int
-count_virtual_fns (struct type *dclass)
-{
- int fn, oi; /* function and overloaded instance indices */
- int vfuncs; /* count to return */
-
- /* recurse on bases that can share virtual table */
- struct type *pbc = primary_base_class (dclass);
- if (pbc)
- vfuncs = count_virtual_fns (pbc);
- else
- vfuncs = 0;
-
- for (fn = 0; fn < TYPE_NFN_FIELDS (dclass); fn++)
- for (oi = 0; oi < TYPE_FN_FIELDLIST_LENGTH (dclass, fn); oi++)
- if (TYPE_FN_FIELD_VIRTUAL_P (TYPE_FN_FIELDLIST1 (dclass, fn), oi))
- vfuncs++;
-
- return vfuncs;
-}
\f
switch (TYPE_CODE (arg))
{
case TYPE_CODE_PTR:
- if (TYPE_CODE (TYPE_TARGET_TYPE (parm)) == TYPE_CODE_VOID)
+ if (TYPE_CODE (TYPE_TARGET_TYPE (parm)) == TYPE_CODE_VOID
+ && TYPE_CODE (TYPE_TARGET_TYPE (arg)) != TYPE_CODE_VOID)
return VOID_PTR_CONVERSION_BADNESS;
else
return rank_one_type (TYPE_TARGET_TYPE (parm),
}
}
+int
+field_is_static (struct field *f)
+{
+ /* "static" fields are the fields whose location is not relative
+ to the address of the enclosing struct. It would be nice to
+ have a dedicated flag that would be set for static fields when
+ the type is being created. But in practice, checking the field
+ loc_kind should give us an accurate answer (at least as long as
+ we assume that DWARF block locations are not going to be used
+ for static fields). FIXME? */
+ return (FIELD_LOC_KIND (*f) == FIELD_LOC_KIND_PHYSNAME
+ || FIELD_LOC_KIND (*f) == FIELD_LOC_KIND_PHYSADDR);
+}
+
static void
dump_fn_fieldlists (struct type *type, int spaces)
{
}
}
+/* Print the contents of the TYPE's type_specific union, assuming that
+ its type-specific kind is TYPE_SPECIFIC_GNAT_STUFF. */
+
static void
-print_bound_type (int bt)
+print_gnat_stuff (struct type *type, int spaces)
{
- switch (bt)
- {
- case BOUND_CANNOT_BE_DETERMINED:
- printf_filtered ("(BOUND_CANNOT_BE_DETERMINED)");
- break;
- case BOUND_BY_REF_ON_STACK:
- printf_filtered ("(BOUND_BY_REF_ON_STACK)");
- break;
- case BOUND_BY_VALUE_ON_STACK:
- printf_filtered ("(BOUND_BY_VALUE_ON_STACK)");
- break;
- case BOUND_BY_REF_IN_REG:
- printf_filtered ("(BOUND_BY_REF_IN_REG)");
- break;
- case BOUND_BY_VALUE_IN_REG:
- printf_filtered ("(BOUND_BY_VALUE_IN_REG)");
- break;
- case BOUND_SIMPLE:
- printf_filtered ("(BOUND_SIMPLE)");
- break;
- default:
- printf_filtered (_("(unknown bound type)"));
- break;
- }
+ struct type *descriptive_type = TYPE_DESCRIPTIVE_TYPE (type);
+
+ recursive_dump_type (descriptive_type, spaces + 2);
}
static struct obstack dont_print_type_obstack;
obstack_begin (&dont_print_type_obstack, 0);
if (TYPE_NFIELDS (type) > 0
- || (TYPE_CPLUS_SPECIFIC (type) && TYPE_NFN_FIELDS (type) > 0))
+ || (HAVE_CPLUS_STRUCT (type) && TYPE_NFN_FIELDS (type) > 0))
{
struct type **first_dont_print
= (struct type **) obstack_base (&dont_print_type_obstack);
case TYPE_CODE_TYPEDEF:
printf_filtered ("(TYPE_CODE_TYPEDEF)");
break;
- case TYPE_CODE_TEMPLATE:
- printf_filtered ("(TYPE_CODE_TEMPLATE)");
- break;
- case TYPE_CODE_TEMPLATE_ARG:
- printf_filtered ("(TYPE_CODE_TEMPLATE_ARG)");
- break;
case TYPE_CODE_NAMESPACE:
printf_filtered ("(TYPE_CODE_NAMESPACE)");
break;
}
puts_filtered ("\n");
printfi_filtered (spaces, "length %d\n", TYPE_LENGTH (type));
- printfi_filtered (spaces, "upper_bound_type 0x%x ",
- TYPE_ARRAY_UPPER_BOUND_TYPE (type));
- print_bound_type (TYPE_ARRAY_UPPER_BOUND_TYPE (type));
- puts_filtered ("\n");
- printfi_filtered (spaces, "lower_bound_type 0x%x ",
- TYPE_ARRAY_LOWER_BOUND_TYPE (type));
- print_bound_type (TYPE_ARRAY_LOWER_BOUND_TYPE (type));
- puts_filtered ("\n");
- printfi_filtered (spaces, "objfile ");
- gdb_print_host_address (TYPE_OBJFILE (type), gdb_stdout);
+ if (TYPE_OBJFILE_OWNED (type))
+ {
+ printfi_filtered (spaces, "objfile ");
+ gdb_print_host_address (TYPE_OWNER (type).objfile, gdb_stdout);
+ }
+ else
+ {
+ printfi_filtered (spaces, "gdbarch ");
+ gdb_print_host_address (TYPE_OWNER (type).gdbarch, gdb_stdout);
+ }
printf_filtered ("\n");
printfi_filtered (spaces, "target_type ");
gdb_print_host_address (TYPE_TARGET_TYPE (type), gdb_stdout);
puts_filtered (" TYPE_FLAG_ADDRESS_CLASS_2");
}
puts_filtered ("\n");
- printfi_filtered (spaces, "flags 0x%x", TYPE_FLAGS (type));
+
+ printfi_filtered (spaces, "flags");
if (TYPE_UNSIGNED (type))
{
puts_filtered (" TYPE_FLAG_UNSIGNED");
{
puts_filtered (" TYPE_FLAG_VECTOR");
}
+ if (TYPE_FIXED_INSTANCE (type))
+ {
+ puts_filtered (" TYPE_FIXED_INSTANCE");
+ }
+ if (TYPE_STUB_SUPPORTED (type))
+ {
+ puts_filtered (" TYPE_STUB_SUPPORTED");
+ }
+ if (TYPE_NOTTEXT (type))
+ {
+ puts_filtered (" TYPE_NOTTEXT");
+ }
puts_filtered ("\n");
printfi_filtered (spaces, "nfields %d ", TYPE_NFIELDS (type));
gdb_print_host_address (TYPE_FIELDS (type), gdb_stdout);
recursive_dump_type (TYPE_FIELD_TYPE (type, idx), spaces + 4);
}
}
+ if (TYPE_CODE (type) == TYPE_CODE_RANGE)
+ {
+ printfi_filtered (spaces, "low %s%s high %s%s\n",
+ plongest (TYPE_LOW_BOUND (type)),
+ TYPE_LOW_BOUND_UNDEFINED (type) ? " (undefined)" : "",
+ plongest (TYPE_HIGH_BOUND (type)),
+ TYPE_HIGH_BOUND_UNDEFINED (type) ? " (undefined)" : "");
+ }
printfi_filtered (spaces, "vptr_basetype ");
gdb_print_host_address (TYPE_VPTR_BASETYPE (type), gdb_stdout);
puts_filtered ("\n");
}
printfi_filtered (spaces, "vptr_fieldno %d\n",
TYPE_VPTR_FIELDNO (type));
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_STRUCT:
- printfi_filtered (spaces, "cplus_stuff ");
- gdb_print_host_address (TYPE_CPLUS_SPECIFIC (type),
- gdb_stdout);
- puts_filtered ("\n");
- print_cplus_stuff (type, spaces);
- break;
-
- case TYPE_CODE_FLT:
- printfi_filtered (spaces, "floatformat ");
- if (TYPE_FLOATFORMAT (type) == NULL)
- puts_filtered ("(null)");
- else
- {
- puts_filtered ("{ ");
- if (TYPE_FLOATFORMAT (type)[0] == NULL
- || TYPE_FLOATFORMAT (type)[0]->name == NULL)
- puts_filtered ("(null)");
- else
- puts_filtered (TYPE_FLOATFORMAT (type)[0]->name);
- puts_filtered (", ");
- if (TYPE_FLOATFORMAT (type)[1] == NULL
- || TYPE_FLOATFORMAT (type)[1]->name == NULL)
- puts_filtered ("(null)");
- else
- puts_filtered (TYPE_FLOATFORMAT (type)[1]->name);
+ switch (TYPE_SPECIFIC_FIELD (type))
+ {
+ case TYPE_SPECIFIC_CPLUS_STUFF:
+ printfi_filtered (spaces, "cplus_stuff ");
+ gdb_print_host_address (TYPE_CPLUS_SPECIFIC (type),
+ gdb_stdout);
+ puts_filtered ("\n");
+ print_cplus_stuff (type, spaces);
+ break;
- puts_filtered (" }");
- }
- puts_filtered ("\n");
- break;
+ case TYPE_SPECIFIC_GNAT_STUFF:
+ printfi_filtered (spaces, "gnat_stuff ");
+ gdb_print_host_address (TYPE_GNAT_SPECIFIC (type), gdb_stdout);
+ puts_filtered ("\n");
+ print_gnat_stuff (type, spaces);
+ break;
- default:
- /* We have to pick one of the union types to be able print and
- test the value. Pick cplus_struct_type, even though we know
- it isn't any particular one. */
- printfi_filtered (spaces, "type_specific ");
- gdb_print_host_address (TYPE_CPLUS_SPECIFIC (type), gdb_stdout);
- if (TYPE_CPLUS_SPECIFIC (type) != NULL)
- {
- printf_filtered (_(" (unknown data form)"));
- }
- printf_filtered ("\n");
- break;
+ case TYPE_SPECIFIC_FLOATFORMAT:
+ printfi_filtered (spaces, "floatformat ");
+ if (TYPE_FLOATFORMAT (type) == NULL)
+ puts_filtered ("(null)");
+ else
+ {
+ puts_filtered ("{ ");
+ if (TYPE_FLOATFORMAT (type)[0] == NULL
+ || TYPE_FLOATFORMAT (type)[0]->name == NULL)
+ puts_filtered ("(null)");
+ else
+ puts_filtered (TYPE_FLOATFORMAT (type)[0]->name);
+
+ puts_filtered (", ");
+ if (TYPE_FLOATFORMAT (type)[1] == NULL
+ || TYPE_FLOATFORMAT (type)[1]->name == NULL)
+ puts_filtered ("(null)");
+ else
+ puts_filtered (TYPE_FLOATFORMAT (type)[1]->name);
+
+ puts_filtered (" }");
+ }
+ puts_filtered ("\n");
+ break;
+ case TYPE_SPECIFIC_CALLING_CONVENTION:
+ printfi_filtered (spaces, "calling_convention %d\n",
+ TYPE_CALLING_CONVENTION (type));
+ break;
}
+
if (spaces == 0)
obstack_free (&dont_print_type_obstack, NULL);
}
void **slot;
struct type *new_type;
- if (TYPE_OBJFILE (type) == NULL)
+ if (! TYPE_OBJFILE_OWNED (type))
return type;
/* This type shouldn't be pointing to any types in other objfiles;
if (*slot != NULL)
return ((struct type_pair *) *slot)->new;
- new_type = alloc_type (NULL);
+ new_type = alloc_type_arch (get_type_arch (type));
/* We must add the new type to the hash table immediately, in case
we encounter this type again during a recursive call below. */
- stored = xmalloc (sizeof (struct type_pair));
+ stored = obstack_alloc (&objfile->objfile_obstack, sizeof (struct type_pair));
stored->old = type;
stored->new = new_type;
*slot = stored;
- /* Copy the common fields of types. */
- TYPE_CODE (new_type) = TYPE_CODE (type);
- TYPE_ARRAY_UPPER_BOUND_TYPE (new_type) =
- TYPE_ARRAY_UPPER_BOUND_TYPE (type);
- TYPE_ARRAY_LOWER_BOUND_TYPE (new_type) =
- TYPE_ARRAY_LOWER_BOUND_TYPE (type);
+ /* Copy the common fields of types. For the main type, we simply
+ copy the entire thing and then update specific fields as needed. */
+ *TYPE_MAIN_TYPE (new_type) = *TYPE_MAIN_TYPE (type);
+ TYPE_OBJFILE_OWNED (new_type) = 0;
+ TYPE_OWNER (new_type).gdbarch = get_type_arch (type);
+
if (TYPE_NAME (type))
TYPE_NAME (new_type) = xstrdup (TYPE_NAME (type));
if (TYPE_TAG_NAME (type))
TYPE_TAG_NAME (new_type) = xstrdup (TYPE_TAG_NAME (type));
- TYPE_FLAGS (new_type) = TYPE_FLAGS (type);
- TYPE_VPTR_FIELDNO (new_type) = TYPE_VPTR_FIELDNO (type);
TYPE_INSTANCE_FLAGS (new_type) = TYPE_INSTANCE_FLAGS (type);
TYPE_LENGTH (new_type) = TYPE_LENGTH (type);
/* Copy the fields. */
- TYPE_NFIELDS (new_type) = TYPE_NFIELDS (type);
if (TYPE_NFIELDS (type))
{
int i, nfields;
nfields = TYPE_NFIELDS (type);
- TYPE_FIELDS (new_type) = xmalloc (sizeof (struct field) * nfields);
+ TYPE_FIELDS (new_type) = XCALLOC (nfields, struct field);
for (i = 0; i < nfields; i++)
{
TYPE_FIELD_ARTIFICIAL (new_type, i) =
if (TYPE_FIELD_NAME (type, i))
TYPE_FIELD_NAME (new_type, i) =
xstrdup (TYPE_FIELD_NAME (type, i));
- if (TYPE_FIELD_STATIC_HAS_ADDR (type, i))
- SET_FIELD_PHYSADDR (TYPE_FIELD (new_type, i),
- TYPE_FIELD_STATIC_PHYSADDR (type, i));
- else if (TYPE_FIELD_STATIC (type, i))
- SET_FIELD_PHYSNAME (TYPE_FIELD (new_type, i),
- xstrdup (TYPE_FIELD_STATIC_PHYSNAME (type,
- i)));
- else
+ switch (TYPE_FIELD_LOC_KIND (type, i))
{
- TYPE_FIELD_BITPOS (new_type, i) =
- TYPE_FIELD_BITPOS (type, i);
- TYPE_FIELD_STATIC_KIND (new_type, i) = 0;
+ case FIELD_LOC_KIND_BITPOS:
+ SET_FIELD_BITPOS (TYPE_FIELD (new_type, i),
+ TYPE_FIELD_BITPOS (type, i));
+ break;
+ case FIELD_LOC_KIND_PHYSADDR:
+ SET_FIELD_PHYSADDR (TYPE_FIELD (new_type, i),
+ TYPE_FIELD_STATIC_PHYSADDR (type, i));
+ break;
+ case FIELD_LOC_KIND_PHYSNAME:
+ SET_FIELD_PHYSNAME (TYPE_FIELD (new_type, i),
+ xstrdup (TYPE_FIELD_STATIC_PHYSNAME (type,
+ i)));
+ break;
+ default:
+ internal_error (__FILE__, __LINE__,
+ _("Unexpected type field location kind: %d"),
+ TYPE_FIELD_LOC_KIND (type, i));
}
}
}
+ /* For range types, copy the bounds information. */
+ if (TYPE_CODE (type) == TYPE_CODE_RANGE)
+ {
+ TYPE_RANGE_DATA (new_type) = xmalloc (sizeof (struct range_bounds));
+ *TYPE_RANGE_DATA (new_type) = *TYPE_RANGE_DATA (type);
+ }
+
/* Copy pointers to other types. */
if (TYPE_TARGET_TYPE (type))
TYPE_TARGET_TYPE (new_type) =
TYPE_FLOATFORMAT (new_type) = TYPE_FLOATFORMAT (type);
else if (TYPE_CODE (type) == TYPE_CODE_STRUCT
|| TYPE_CODE (type) == TYPE_CODE_UNION
- || TYPE_CODE (type) == TYPE_CODE_TEMPLATE
|| TYPE_CODE (type) == TYPE_CODE_NAMESPACE)
INIT_CPLUS_SPECIFIC (new_type);
return new_type;
}
-static struct type *
-build_flt (int bit, char *name, const struct floatformat **floatformats)
+/* Make a copy of the given TYPE, except that the pointer & reference
+ types are not preserved.
+
+ This function assumes that the given type has an associated objfile.
+ This objfile is used to allocate the new type. */
+
+struct type *
+copy_type (const struct type *type)
+{
+ struct type *new_type;
+
+ gdb_assert (TYPE_OBJFILE_OWNED (type));
+
+ new_type = alloc_type_copy (type);
+ TYPE_INSTANCE_FLAGS (new_type) = TYPE_INSTANCE_FLAGS (type);
+ TYPE_LENGTH (new_type) = TYPE_LENGTH (type);
+ memcpy (TYPE_MAIN_TYPE (new_type), TYPE_MAIN_TYPE (type),
+ sizeof (struct main_type));
+
+ return new_type;
+}
+
+
+/* Helper functions to initialize architecture-specific types. */
+
+/* Allocate a type structure associated with GDBARCH and set its
+ CODE, LENGTH, and NAME fields. */
+struct type *
+arch_type (struct gdbarch *gdbarch,
+ enum type_code code, int length, char *name)
+{
+ struct type *type;
+
+ type = alloc_type_arch (gdbarch);
+ TYPE_CODE (type) = code;
+ TYPE_LENGTH (type) = length;
+
+ if (name)
+ TYPE_NAME (type) = xstrdup (name);
+
+ return type;
+}
+
+/* Allocate a TYPE_CODE_INT type structure associated with GDBARCH.
+ BIT is the type size in bits. If UNSIGNED_P is non-zero, set
+ the type's TYPE_UNSIGNED flag. NAME is the type name. */
+struct type *
+arch_integer_type (struct gdbarch *gdbarch,
+ int bit, int unsigned_p, char *name)
+{
+ struct type *t;
+
+ t = arch_type (gdbarch, TYPE_CODE_INT, bit / TARGET_CHAR_BIT, name);
+ if (unsigned_p)
+ TYPE_UNSIGNED (t) = 1;
+ if (name && strcmp (name, "char") == 0)
+ TYPE_NOSIGN (t) = 1;
+
+ return t;
+}
+
+/* Allocate a TYPE_CODE_CHAR type structure associated with GDBARCH.
+ BIT is the type size in bits. If UNSIGNED_P is non-zero, set
+ the type's TYPE_UNSIGNED flag. NAME is the type name. */
+struct type *
+arch_character_type (struct gdbarch *gdbarch,
+ int bit, int unsigned_p, char *name)
+{
+ struct type *t;
+
+ t = arch_type (gdbarch, TYPE_CODE_CHAR, bit / TARGET_CHAR_BIT, name);
+ if (unsigned_p)
+ TYPE_UNSIGNED (t) = 1;
+
+ return t;
+}
+
+/* Allocate a TYPE_CODE_BOOL type structure associated with GDBARCH.
+ BIT is the type size in bits. If UNSIGNED_P is non-zero, set
+ the type's TYPE_UNSIGNED flag. NAME is the type name. */
+struct type *
+arch_boolean_type (struct gdbarch *gdbarch,
+ int bit, int unsigned_p, char *name)
+{
+ struct type *t;
+
+ t = arch_type (gdbarch, TYPE_CODE_BOOL, bit / TARGET_CHAR_BIT, name);
+ if (unsigned_p)
+ TYPE_UNSIGNED (t) = 1;
+
+ return t;
+}
+
+/* Allocate a TYPE_CODE_FLT type structure associated with GDBARCH.
+ BIT is the type size in bits; if BIT equals -1, the size is
+ determined by the floatformat. NAME is the type name. Set the
+ TYPE_FLOATFORMAT from FLOATFORMATS. */
+struct type *
+arch_float_type (struct gdbarch *gdbarch,
+ int bit, char *name, const struct floatformat **floatformats)
{
struct type *t;
}
gdb_assert (bit >= 0);
- t = init_type (TYPE_CODE_FLT, bit / TARGET_CHAR_BIT, 0, name, NULL);
+ t = arch_type (gdbarch, TYPE_CODE_FLT, bit / TARGET_CHAR_BIT, name);
TYPE_FLOATFORMAT (t) = floatformats;
return t;
}
-static struct gdbarch_data *gdbtypes_data;
+/* Allocate a TYPE_CODE_COMPLEX type structure associated with GDBARCH.
+ NAME is the type name. TARGET_TYPE is the component float type. */
+struct type *
+arch_complex_type (struct gdbarch *gdbarch,
+ char *name, struct type *target_type)
+{
+ struct type *t;
+ t = arch_type (gdbarch, TYPE_CODE_COMPLEX,
+ 2 * TYPE_LENGTH (target_type), name);
+ TYPE_TARGET_TYPE (t) = target_type;
+ return t;
+}
-const struct builtin_type *
-builtin_type (struct gdbarch *gdbarch)
+/* Allocate a TYPE_CODE_FLAGS type structure associated with GDBARCH.
+ NAME is the type name. LENGTH is the size of the flag word in bytes. */
+struct type *
+arch_flags_type (struct gdbarch *gdbarch, char *name, int length)
{
- return gdbarch_data (gdbarch, gdbtypes_data);
+ int nfields = length * TARGET_CHAR_BIT;
+ struct type *type;
+
+ type = arch_type (gdbarch, TYPE_CODE_FLAGS, length, name);
+ TYPE_UNSIGNED (type) = 1;
+ TYPE_NFIELDS (type) = nfields;
+ TYPE_FIELDS (type) = TYPE_ZALLOC (type, nfields * sizeof (struct field));
+
+ return type;
}
+/* Add field to TYPE_CODE_FLAGS type TYPE to indicate the bit at
+ position BITPOS is called NAME. */
+void
+append_flags_type_flag (struct type *type, int bitpos, char *name)
+{
+ gdb_assert (TYPE_CODE (type) == TYPE_CODE_FLAGS);
+ gdb_assert (bitpos < TYPE_NFIELDS (type));
+ gdb_assert (bitpos >= 0);
-static struct type *
-build_complex (int bit, char *name, struct type *target_type)
+ if (name)
+ {
+ TYPE_FIELD_NAME (type, bitpos) = xstrdup (name);
+ TYPE_FIELD_BITPOS (type, bitpos) = bitpos;
+ }
+ else
+ {
+ /* Don't show this field to the user. */
+ TYPE_FIELD_BITPOS (type, bitpos) = -1;
+ }
+}
+
+/* Allocate a TYPE_CODE_STRUCT or TYPE_CODE_UNION type structure (as
+ specified by CODE) associated with GDBARCH. NAME is the type name. */
+struct type *
+arch_composite_type (struct gdbarch *gdbarch, char *name, enum type_code code)
{
struct type *t;
- if (bit <= 0 || target_type == builtin_type_error)
+ gdb_assert (code == TYPE_CODE_STRUCT || code == TYPE_CODE_UNION);
+ t = arch_type (gdbarch, code, 0, NULL);
+ TYPE_TAG_NAME (t) = name;
+ INIT_CPLUS_SPECIFIC (t);
+ return t;
+}
+
+/* Add new field with name NAME and type FIELD to composite type T.
+ Do not set the field's position or adjust the type's length;
+ the caller should do so. Return the new field. */
+struct field *
+append_composite_type_field_raw (struct type *t, char *name,
+ struct type *field)
+{
+ struct field *f;
+ TYPE_NFIELDS (t) = TYPE_NFIELDS (t) + 1;
+ TYPE_FIELDS (t) = xrealloc (TYPE_FIELDS (t),
+ sizeof (struct field) * TYPE_NFIELDS (t));
+ f = &(TYPE_FIELDS (t)[TYPE_NFIELDS (t) - 1]);
+ memset (f, 0, sizeof f[0]);
+ FIELD_TYPE (f[0]) = field;
+ FIELD_NAME (f[0]) = name;
+ return f;
+}
+
+/* Add new field with name NAME and type FIELD to composite type T.
+ ALIGNMENT (if non-zero) specifies the minimum field alignment. */
+void
+append_composite_type_field_aligned (struct type *t, char *name,
+ struct type *field, int alignment)
+{
+ struct field *f = append_composite_type_field_raw (t, name, field);
+ if (TYPE_CODE (t) == TYPE_CODE_UNION)
{
- gdb_assert (builtin_type_error != NULL);
- return builtin_type_error;
+ if (TYPE_LENGTH (t) < TYPE_LENGTH (field))
+ TYPE_LENGTH (t) = TYPE_LENGTH (field);
+ }
+ else if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
+ {
+ TYPE_LENGTH (t) = TYPE_LENGTH (t) + TYPE_LENGTH (field);
+ if (TYPE_NFIELDS (t) > 1)
+ {
+ FIELD_BITPOS (f[0]) = (FIELD_BITPOS (f[-1])
+ + (TYPE_LENGTH (FIELD_TYPE (f[-1]))
+ * TARGET_CHAR_BIT));
+
+ if (alignment)
+ {
+ int left = FIELD_BITPOS (f[0]) % (alignment * TARGET_CHAR_BIT);
+ if (left)
+ {
+ FIELD_BITPOS (f[0]) += left;
+ TYPE_LENGTH (t) += left / TARGET_CHAR_BIT;
+ }
+ }
+ }
}
- t = init_type (TYPE_CODE_COMPLEX, 2 * bit / TARGET_CHAR_BIT,
- 0, name, (struct objfile *) NULL);
- TYPE_TARGET_TYPE (t) = target_type;
- return t;
+}
+
+/* Add new field with name NAME and type FIELD to composite type T. */
+void
+append_composite_type_field (struct type *t, char *name,
+ struct type *field)
+{
+ append_composite_type_field_aligned (t, name, field, 0);
+}
+
+
+static struct gdbarch_data *gdbtypes_data;
+
+const struct builtin_type *
+builtin_type (struct gdbarch *gdbarch)
+{
+ return gdbarch_data (gdbarch, gdbtypes_data);
}
static void *
struct builtin_type *builtin_type
= GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_type);
- builtin_type->builtin_void =
- init_type (TYPE_CODE_VOID, 1,
- 0,
- "void", (struct objfile *) NULL);
- builtin_type->builtin_char =
- init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- (TYPE_FLAG_NOSIGN
- | (gdbarch_char_signed (current_gdbarch) ?
- 0 : TYPE_FLAG_UNSIGNED)),
- "char", (struct objfile *) NULL);
- builtin_type->builtin_true_char =
- init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- 0,
- "true character", (struct objfile *) NULL);
- builtin_type->builtin_true_unsigned_char =
- init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED,
- "true character", (struct objfile *) NULL);
- builtin_type->builtin_signed_char =
- init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- 0,
- "signed char", (struct objfile *) NULL);
- builtin_type->builtin_unsigned_char =
- init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED,
- "unsigned char", (struct objfile *) NULL);
- builtin_type->builtin_short =
- init_type (TYPE_CODE_INT,
- gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
- 0, "short", (struct objfile *) NULL);
- builtin_type->builtin_unsigned_short =
- init_type (TYPE_CODE_INT,
- gdbarch_short_bit (current_gdbarch) / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED, "unsigned short",
- (struct objfile *) NULL);
- builtin_type->builtin_int =
- init_type (TYPE_CODE_INT,
- gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
- 0, "int", (struct objfile *) NULL);
- builtin_type->builtin_unsigned_int =
- init_type (TYPE_CODE_INT,
- gdbarch_int_bit (current_gdbarch) / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED, "unsigned int",
- (struct objfile *) NULL);
- builtin_type->builtin_long =
- init_type (TYPE_CODE_INT,
- gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
- 0, "long", (struct objfile *) NULL);
- builtin_type->builtin_unsigned_long =
- init_type (TYPE_CODE_INT,
- gdbarch_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED, "unsigned long",
- (struct objfile *) NULL);
- builtin_type->builtin_long_long =
- init_type (TYPE_CODE_INT,
- gdbarch_long_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
- 0, "long long", (struct objfile *) NULL);
- builtin_type->builtin_unsigned_long_long =
- init_type (TYPE_CODE_INT,
- gdbarch_long_long_bit (current_gdbarch) / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED, "unsigned long long",
- (struct objfile *) NULL);
+ /* Basic types. */
+ builtin_type->builtin_void
+ = arch_type (gdbarch, TYPE_CODE_VOID, 1, "void");
+ builtin_type->builtin_char
+ = arch_integer_type (gdbarch, TARGET_CHAR_BIT,
+ !gdbarch_char_signed (gdbarch), "char");
+ builtin_type->builtin_signed_char
+ = arch_integer_type (gdbarch, TARGET_CHAR_BIT,
+ 0, "signed char");
+ builtin_type->builtin_unsigned_char
+ = arch_integer_type (gdbarch, TARGET_CHAR_BIT,
+ 1, "unsigned char");
+ builtin_type->builtin_short
+ = arch_integer_type (gdbarch, gdbarch_short_bit (gdbarch),
+ 0, "short");
+ builtin_type->builtin_unsigned_short
+ = arch_integer_type (gdbarch, gdbarch_short_bit (gdbarch),
+ 1, "unsigned short");
+ builtin_type->builtin_int
+ = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
+ 0, "int");
+ builtin_type->builtin_unsigned_int
+ = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
+ 1, "unsigned int");
+ builtin_type->builtin_long
+ = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch),
+ 0, "long");
+ builtin_type->builtin_unsigned_long
+ = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch),
+ 1, "unsigned long");
+ builtin_type->builtin_long_long
+ = arch_integer_type (gdbarch, gdbarch_long_long_bit (gdbarch),
+ 0, "long long");
+ builtin_type->builtin_unsigned_long_long
+ = arch_integer_type (gdbarch, gdbarch_long_long_bit (gdbarch),
+ 1, "unsigned long long");
builtin_type->builtin_float
- = build_flt (gdbarch_float_bit (gdbarch), "float",
- gdbarch_float_format (gdbarch));
+ = arch_float_type (gdbarch, gdbarch_float_bit (gdbarch),
+ "float", gdbarch_float_format (gdbarch));
builtin_type->builtin_double
- = build_flt (gdbarch_double_bit (gdbarch), "double",
- gdbarch_double_format (gdbarch));
+ = arch_float_type (gdbarch, gdbarch_double_bit (gdbarch),
+ "double", gdbarch_double_format (gdbarch));
builtin_type->builtin_long_double
- = build_flt (gdbarch_long_double_bit (gdbarch), "long double",
- gdbarch_long_double_format (gdbarch));
+ = arch_float_type (gdbarch, gdbarch_long_double_bit (gdbarch),
+ "long double", gdbarch_long_double_format (gdbarch));
builtin_type->builtin_complex
- = build_complex (gdbarch_float_bit (gdbarch), "complex",
- builtin_type->builtin_float);
+ = arch_complex_type (gdbarch, "complex",
+ builtin_type->builtin_float);
builtin_type->builtin_double_complex
- = build_complex (gdbarch_double_bit (gdbarch), "double complex",
- builtin_type->builtin_double);
- builtin_type->builtin_string =
- init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- 0,
- "string", (struct objfile *) NULL);
- builtin_type->builtin_bool =
- init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- 0,
- "bool", (struct objfile *) NULL);
-
- /* Pointer/Address types. */
+ = arch_complex_type (gdbarch, "double complex",
+ builtin_type->builtin_double);
+ builtin_type->builtin_string
+ = arch_type (gdbarch, TYPE_CODE_STRING, 1, "string");
+ builtin_type->builtin_bool
+ = arch_type (gdbarch, TYPE_CODE_BOOL, 1, "bool");
+
+ /* The following three are about decimal floating point types, which
+ are 32-bits, 64-bits and 128-bits respectively. */
+ builtin_type->builtin_decfloat
+ = arch_type (gdbarch, TYPE_CODE_DECFLOAT, 32 / 8, "_Decimal32");
+ builtin_type->builtin_decdouble
+ = arch_type (gdbarch, TYPE_CODE_DECFLOAT, 64 / 8, "_Decimal64");
+ builtin_type->builtin_declong
+ = arch_type (gdbarch, TYPE_CODE_DECFLOAT, 128 / 8, "_Decimal128");
+
+ /* "True" character types. */
+ builtin_type->builtin_true_char
+ = arch_character_type (gdbarch, TARGET_CHAR_BIT, 0, "true character");
+ builtin_type->builtin_true_unsigned_char
+ = arch_character_type (gdbarch, TARGET_CHAR_BIT, 1, "true character");
+
+ /* Fixed-size integer types. */
+ builtin_type->builtin_int0
+ = arch_integer_type (gdbarch, 0, 0, "int0_t");
+ builtin_type->builtin_int8
+ = arch_integer_type (gdbarch, 8, 0, "int8_t");
+ builtin_type->builtin_uint8
+ = arch_integer_type (gdbarch, 8, 1, "uint8_t");
+ builtin_type->builtin_int16
+ = arch_integer_type (gdbarch, 16, 0, "int16_t");
+ builtin_type->builtin_uint16
+ = arch_integer_type (gdbarch, 16, 1, "uint16_t");
+ builtin_type->builtin_int32
+ = arch_integer_type (gdbarch, 32, 0, "int32_t");
+ builtin_type->builtin_uint32
+ = arch_integer_type (gdbarch, 32, 1, "uint32_t");
+ builtin_type->builtin_int64
+ = arch_integer_type (gdbarch, 64, 0, "int64_t");
+ builtin_type->builtin_uint64
+ = arch_integer_type (gdbarch, 64, 1, "uint64_t");
+ builtin_type->builtin_int128
+ = arch_integer_type (gdbarch, 128, 0, "int128_t");
+ builtin_type->builtin_uint128
+ = arch_integer_type (gdbarch, 128, 1, "uint128_t");
+ TYPE_NOTTEXT (builtin_type->builtin_int8) = 1;
+ TYPE_NOTTEXT (builtin_type->builtin_uint8) = 1;
+
+ /* Wide character types. */
+ builtin_type->builtin_char16
+ = arch_integer_type (gdbarch, 16, 0, "char16_t");
+ builtin_type->builtin_char32
+ = arch_integer_type (gdbarch, 32, 0, "char32_t");
+
+
+ /* Default data/code pointer types. */
+ builtin_type->builtin_data_ptr
+ = lookup_pointer_type (builtin_type->builtin_void);
+ builtin_type->builtin_func_ptr
+ = lookup_pointer_type (lookup_function_type (builtin_type->builtin_void));
+
+ /* This type represents a GDB internal function. */
+ builtin_type->internal_fn
+ = arch_type (gdbarch, TYPE_CODE_INTERNAL_FUNCTION, 0,
+ "<internal function>");
+
+ return builtin_type;
+}
+
+
+/* This set of objfile-based types is intended to be used by symbol
+ readers as basic types. */
+
+static const struct objfile_data *objfile_type_data;
+
+const struct objfile_type *
+objfile_type (struct objfile *objfile)
+{
+ struct gdbarch *gdbarch;
+ struct objfile_type *objfile_type
+ = objfile_data (objfile, objfile_type_data);
+
+ if (objfile_type)
+ return objfile_type;
+
+ objfile_type = OBSTACK_CALLOC (&objfile->objfile_obstack,
+ 1, struct objfile_type);
+
+ /* Use the objfile architecture to determine basic type properties. */
+ gdbarch = get_objfile_arch (objfile);
+
+ /* Basic types. */
+ objfile_type->builtin_void
+ = init_type (TYPE_CODE_VOID, 1,
+ 0,
+ "void", objfile);
+
+ objfile_type->builtin_char
+ = init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+ (TYPE_FLAG_NOSIGN
+ | (gdbarch_char_signed (gdbarch) ? 0 : TYPE_FLAG_UNSIGNED)),
+ "char", objfile);
+ objfile_type->builtin_signed_char
+ = init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+ 0,
+ "signed char", objfile);
+ objfile_type->builtin_unsigned_char
+ = init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED,
+ "unsigned char", objfile);
+ objfile_type->builtin_short
+ = init_type (TYPE_CODE_INT,
+ gdbarch_short_bit (gdbarch) / TARGET_CHAR_BIT,
+ 0, "short", objfile);
+ objfile_type->builtin_unsigned_short
+ = init_type (TYPE_CODE_INT,
+ gdbarch_short_bit (gdbarch) / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED, "unsigned short", objfile);
+ objfile_type->builtin_int
+ = init_type (TYPE_CODE_INT,
+ gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT,
+ 0, "int", objfile);
+ objfile_type->builtin_unsigned_int
+ = init_type (TYPE_CODE_INT,
+ gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED, "unsigned int", objfile);
+ objfile_type->builtin_long
+ = init_type (TYPE_CODE_INT,
+ gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT,
+ 0, "long", objfile);
+ objfile_type->builtin_unsigned_long
+ = init_type (TYPE_CODE_INT,
+ gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
+ objfile_type->builtin_long_long
+ = init_type (TYPE_CODE_INT,
+ gdbarch_long_long_bit (gdbarch) / TARGET_CHAR_BIT,
+ 0, "long long", objfile);
+ objfile_type->builtin_unsigned_long_long
+ = init_type (TYPE_CODE_INT,
+ gdbarch_long_long_bit (gdbarch) / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
+
+ objfile_type->builtin_float
+ = init_type (TYPE_CODE_FLT,
+ gdbarch_float_bit (gdbarch) / TARGET_CHAR_BIT,
+ 0, "float", objfile);
+ TYPE_FLOATFORMAT (objfile_type->builtin_float)
+ = gdbarch_float_format (gdbarch);
+ objfile_type->builtin_double
+ = init_type (TYPE_CODE_FLT,
+ gdbarch_double_bit (gdbarch) / TARGET_CHAR_BIT,
+ 0, "double", objfile);
+ TYPE_FLOATFORMAT (objfile_type->builtin_double)
+ = gdbarch_double_format (gdbarch);
+ objfile_type->builtin_long_double
+ = init_type (TYPE_CODE_FLT,
+ gdbarch_long_double_bit (gdbarch) / TARGET_CHAR_BIT,
+ 0, "long double", objfile);
+ TYPE_FLOATFORMAT (objfile_type->builtin_long_double)
+ = gdbarch_long_double_format (gdbarch);
+
+ /* This type represents a type that was unrecognized in symbol read-in. */
+ objfile_type->builtin_error
+ = init_type (TYPE_CODE_ERROR, 0, 0, "<unknown type>", objfile);
+
+ /* The following set of types is used for symbols with no
+ debug information. */
+ objfile_type->nodebug_text_symbol
+ = init_type (TYPE_CODE_FUNC, 1, 0,
+ "<text variable, no debug info>", objfile);
+ TYPE_TARGET_TYPE (objfile_type->nodebug_text_symbol)
+ = objfile_type->builtin_int;
+ objfile_type->nodebug_data_symbol
+ = init_type (TYPE_CODE_INT,
+ gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT, 0,
+ "<data variable, no debug info>", objfile);
+ objfile_type->nodebug_unknown_symbol
+ = init_type (TYPE_CODE_INT, 1, 0,
+ "<variable (not text or data), no debug info>", objfile);
+ objfile_type->nodebug_tls_symbol
+ = init_type (TYPE_CODE_INT,
+ gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT, 0,
+ "<thread local variable, no debug info>", objfile);
/* NOTE: on some targets, addresses and pointers are not necessarily
the same --- for example, on the D10V, pointers are 16 bits long,
- If p is a D10V pointer type, TYPE_LENGTH (p) == 2, just as
sizeof (void *) == 2 on the target.
- In this context, builtin_type->CORE_ADDR is a bit odd: it's a
- target type for a value the target will never see. It's only
- used to hold the values of (typeless) linker symbols, which are
- indeed in the unified virtual address space. */
-
- builtin_type->builtin_data_ptr =
- make_pointer_type (builtin_type->builtin_void, NULL);
- builtin_type->builtin_func_ptr =
- lookup_pointer_type (lookup_function_type (builtin_type->builtin_void));
- builtin_type->builtin_core_addr =
- init_type (TYPE_CODE_INT,
- gdbarch_addr_bit (current_gdbarch) / 8,
- TYPE_FLAG_UNSIGNED,
- "__CORE_ADDR", (struct objfile *) NULL);
+ In this context, objfile_type->builtin_core_addr is a bit odd:
+ it's a target type for a value the target will never see. It's
+ only used to hold the values of (typeless) linker symbols, which
+ are indeed in the unified virtual address space. */
+ objfile_type->builtin_core_addr
+ = init_type (TYPE_CODE_INT,
+ gdbarch_addr_bit (gdbarch) / 8,
+ TYPE_FLAG_UNSIGNED, "__CORE_ADDR", objfile);
- /* The following set of types is used for symbols with no
- debug information. */
- builtin_type->nodebug_text_symbol =
- init_type (TYPE_CODE_FUNC, 1, 0,
- "<text variable, no debug info>", NULL);
- TYPE_TARGET_TYPE (builtin_type->nodebug_text_symbol) =
- builtin_type->builtin_int;
- builtin_type->nodebug_data_symbol =
- init_type (TYPE_CODE_INT,
- gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT, 0,
- "<data variable, no debug info>", NULL);
- builtin_type->nodebug_unknown_symbol =
- init_type (TYPE_CODE_INT, 1, 0,
- "<variable (not text or data), no debug info>", NULL);
- builtin_type->nodebug_tls_symbol =
- init_type (TYPE_CODE_INT,
- gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT, 0,
- "<thread local variable, no debug info>", NULL);
-
- return builtin_type;
+ set_objfile_data (objfile, objfile_type_data, objfile_type);
+ return objfile_type;
}
+
extern void _initialize_gdbtypes (void);
void
_initialize_gdbtypes (void)
{
gdbtypes_data = gdbarch_data_register_post_init (gdbtypes_post_init);
-
- /* FIXME: The following types are architecture-neutral. However,
- they contain pointer_type and reference_type fields potentially
- caching pointer or reference types that *are* architecture
- dependent. */
-
- builtin_type_int0 =
- init_type (TYPE_CODE_INT, 0 / 8,
- 0,
- "int0_t", (struct objfile *) NULL);
- builtin_type_int8 =
- init_type (TYPE_CODE_INT, 8 / 8,
- TYPE_FLAG_NOTTEXT,
- "int8_t", (struct objfile *) NULL);
- builtin_type_uint8 =
- init_type (TYPE_CODE_INT, 8 / 8,
- TYPE_FLAG_UNSIGNED | TYPE_FLAG_NOTTEXT,
- "uint8_t", (struct objfile *) NULL);
- builtin_type_int16 =
- init_type (TYPE_CODE_INT, 16 / 8,
- 0,
- "int16_t", (struct objfile *) NULL);
- builtin_type_uint16 =
- init_type (TYPE_CODE_INT, 16 / 8,
- TYPE_FLAG_UNSIGNED,
- "uint16_t", (struct objfile *) NULL);
- builtin_type_int32 =
- init_type (TYPE_CODE_INT, 32 / 8,
- 0,
- "int32_t", (struct objfile *) NULL);
- builtin_type_uint32 =
- init_type (TYPE_CODE_INT, 32 / 8,
- TYPE_FLAG_UNSIGNED,
- "uint32_t", (struct objfile *) NULL);
- builtin_type_int64 =
- init_type (TYPE_CODE_INT, 64 / 8,
- 0,
- "int64_t", (struct objfile *) NULL);
- builtin_type_uint64 =
- init_type (TYPE_CODE_INT, 64 / 8,
- TYPE_FLAG_UNSIGNED,
- "uint64_t", (struct objfile *) NULL);
- builtin_type_int128 =
- init_type (TYPE_CODE_INT, 128 / 8,
- 0,
- "int128_t", (struct objfile *) NULL);
- builtin_type_uint128 =
- init_type (TYPE_CODE_INT, 128 / 8,
- TYPE_FLAG_UNSIGNED,
- "uint128_t", (struct objfile *) NULL);
-
- builtin_type_ieee_single =
- build_flt (-1, "builtin_type_ieee_single", floatformats_ieee_single);
- builtin_type_ieee_double =
- build_flt (-1, "builtin_type_ieee_double", floatformats_ieee_double);
- builtin_type_i387_ext =
- build_flt (-1, "builtin_type_i387_ext", floatformats_i387_ext);
- builtin_type_m68881_ext =
- build_flt (-1, "builtin_type_m68881_ext", floatformats_m68881_ext);
- builtin_type_arm_ext =
- build_flt (-1, "builtin_type_arm_ext", floatformats_arm_ext);
- builtin_type_ia64_spill =
- build_flt (-1, "builtin_type_ia64_spill", floatformats_ia64_spill);
- builtin_type_ia64_quad =
- build_flt (-1, "builtin_type_ia64_quad", floatformats_ia64_quad);
+ objfile_type_data = register_objfile_data ();
add_setshow_zinteger_cmd ("overload", no_class, &overload_debug, _("\
Set debugging of C++ overloading."), _("\
projects / deliverable / binutils-gdb.git / blobdiff