/* Internal type definitions for GDB.
- Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+ 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (GDBTYPES_H)
#define GDBTYPES_H 1
+#include "hashtab.h"
+
/* Forward declarations for prototypes. */
+struct field;
struct block;
-
-/* Codes for `fundamental types'. This is a monstrosity based on the
- bogus notion that there are certain compiler-independent
- `fundamental types'. None of these is well-defined (how big is
- FT_SHORT? Does it depend on the language? How does the
- language-specific code know which type to correlate to FT_SHORT?) */
-
-#define FT_VOID 0
-#define FT_BOOLEAN 1
-#define FT_CHAR 2 /* we use this for not-unsigned C/C++ chars */
-#define FT_SIGNED_CHAR 3 /* we use this for C++ signed chars */
-#define FT_UNSIGNED_CHAR 4 /* we use this for C/C++ unsigned chars */
-#define FT_SHORT 5
-#define FT_SIGNED_SHORT 6
-#define FT_UNSIGNED_SHORT 7
-#define FT_INTEGER 8
-#define FT_SIGNED_INTEGER 9
-#define FT_UNSIGNED_INTEGER 10
-#define FT_LONG 11
-#define FT_SIGNED_LONG 12
-#define FT_UNSIGNED_LONG 13
-#define FT_LONG_LONG 14
-#define FT_SIGNED_LONG_LONG 15
-#define FT_UNSIGNED_LONG_LONG 16
-#define FT_FLOAT 17
-#define FT_DBL_PREC_FLOAT 18
-#define FT_EXT_PREC_FLOAT 19
-#define FT_COMPLEX 20
-#define FT_DBL_PREC_COMPLEX 21
-#define FT_EXT_PREC_COMPLEX 22
-#define FT_STRING 23
-#define FT_FIXED_DECIMAL 24
-#define FT_FLOAT_DECIMAL 25
-#define FT_BYTE 26
-#define FT_UNSIGNED_BYTE 27
-#define FT_TEMPLATE_ARG 28
-
-#define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */
+struct value_print_options;
+struct language_defn;
/* Some macros for char-based bitfields. */
{
TYPE_CODE_UNDEF, /* Not used; catches errors */
TYPE_CODE_PTR, /* Pointer type */
- TYPE_CODE_ARRAY, /* Array type with lower & upper bounds. */
+
+ /* Array type with lower & upper bounds.
+
+ Regardless of the language, GDB represents multidimensional
+ array types the way C does: as arrays of arrays. So an
+ instance of a GDB array type T can always be seen as a series
+ of instances of TYPE_TARGET_TYPE (T) laid out sequentially in
+ memory.
+
+ Row-major languages like C lay out multi-dimensional arrays so
+ that incrementing the rightmost index in a subscripting
+ expression results in the smallest change in the address of the
+ element referred to. Column-major languages like Fortran lay
+ them out so that incrementing the leftmost index results in the
+ smallest change.
+
+ This means that, in column-major languages, working our way
+ from type to target type corresponds to working through indices
+ from right to left, not left to right. */
+ TYPE_CODE_ARRAY,
+
TYPE_CODE_STRUCT, /* C struct or Pascal record */
TYPE_CODE_UNION, /* C union or Pascal variant part */
TYPE_CODE_ENUM, /* Enumeration type */
+ TYPE_CODE_FLAGS, /* Bit flags type */
TYPE_CODE_FUNC, /* Function type */
TYPE_CODE_INT, /* Integer type */
TYPE_CODE_ERROR,
/* C++ */
- TYPE_CODE_MEMBER, /* Member type */
TYPE_CODE_METHOD, /* Method type */
+
+ /* Pointer-to-member-function type. This describes how to access a
+ particular member function of a class (possibly a virtual
+ member function). The representation may vary between different
+ C++ ABIs. */
+ TYPE_CODE_METHODPTR,
+
+ /* Pointer-to-member type. This is the offset within a class to some
+ particular data member. The only currently supported representation
+ uses an unbiased offset, with -1 representing NULL; this is used
+ by the Itanium C++ ABI (used by GCC on all platforms). */
+ TYPE_CODE_MEMBERPTR,
+
TYPE_CODE_REF, /* C++ Reference types */
TYPE_CODE_CHAR, /* *real* character type */
TYPE_CODE_TYPEDEF,
TYPE_CODE_TEMPLATE, /* C++ template */
- TYPE_CODE_TEMPLATE_ARG /* C++ template arg */
+ TYPE_CODE_TEMPLATE_ARG, /* C++ template arg */
+
+ TYPE_CODE_NAMESPACE, /* C++ namespace. */
+ TYPE_CODE_DECFLOAT, /* Decimal floating point. */
+
+ /* Internal function type. */
+ TYPE_CODE_INTERNAL_FUNCTION
};
/* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
#define TYPE_CODE_CLASS TYPE_CODE_STRUCT
-/* Some bits for the type's flags word, and macros to test them. */
+/* Some constants representing each bit field in the main_type. See
+ the bit-field-specific macros, below, for documentation of each
+ constant in this enum. These enum values are only used with
+ init_type. Note that the values are chosen not to conflict with
+ type_instance_flag_value; this lets init_type error-check its
+ input. */
+
+enum type_flag_value
+{
+ TYPE_FLAG_UNSIGNED = (1 << 6),
+ TYPE_FLAG_NOSIGN = (1 << 7),
+ TYPE_FLAG_STUB = (1 << 8),
+ TYPE_FLAG_TARGET_STUB = (1 << 9),
+ TYPE_FLAG_STATIC = (1 << 10),
+ TYPE_FLAG_PROTOTYPED = (1 << 11),
+ TYPE_FLAG_INCOMPLETE = (1 << 12),
+ TYPE_FLAG_VARARGS = (1 << 13),
+ TYPE_FLAG_VECTOR = (1 << 14),
+ TYPE_FLAG_FIXED_INSTANCE = (1 << 15),
+ TYPE_FLAG_STUB_SUPPORTED = (1 << 16),
+ TYPE_FLAG_NOTTEXT = (1 << 17),
+
+ /* Used for error-checking. */
+ TYPE_FLAG_MIN = TYPE_FLAG_UNSIGNED
+};
+
+/* Some bits for the type's instance_flags word. See the macros below
+ for documentation on each bit. Note that if you add a value here,
+ you must update the enum type_flag_value as well. */
+enum type_instance_flag_value
+{
+ TYPE_INSTANCE_FLAG_CONST = (1 << 0),
+ TYPE_INSTANCE_FLAG_VOLATILE = (1 << 1),
+ TYPE_INSTANCE_FLAG_CODE_SPACE = (1 << 2),
+ TYPE_INSTANCE_FLAG_DATA_SPACE = (1 << 3),
+ TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1 = (1 << 4),
+ TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2 = (1 << 5)
+};
/* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
-#define TYPE_FLAG_UNSIGNED (1 << 0)
-#define TYPE_UNSIGNED(t) (TYPE_FLAGS (t) & TYPE_FLAG_UNSIGNED)
+#define TYPE_UNSIGNED(t) (TYPE_MAIN_TYPE (t)->flag_unsigned)
/* No sign for this type. In C++, "char", "signed char", and "unsigned
char" are distinct types; so we need an extra flag to indicate the
absence of a sign! */
-#define TYPE_FLAG_NOSIGN (1 << 1)
-#define TYPE_NOSIGN(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOSIGN)
+#define TYPE_NOSIGN(t) (TYPE_MAIN_TYPE (t)->flag_nosign)
/* This appears in a type's flags word if it is a stub type (e.g., if
someone referenced a type that wasn't defined in a source file
via (struct sir_not_appearing_in_this_film *)). */
-#define TYPE_FLAG_STUB (1 << 2)
-#define TYPE_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB)
+#define TYPE_STUB(t) (TYPE_MAIN_TYPE (t)->flag_stub)
/* The target type of this type is a stub type, and this type needs to
be updated if it gets un-stubbed in check_typedef.
gets set based on the TYPE_LENGTH of the target type.
Also, set for TYPE_CODE_TYPEDEF. */
-#define TYPE_FLAG_TARGET_STUB (1 << 3)
-#define TYPE_TARGET_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_TARGET_STUB)
+#define TYPE_TARGET_STUB(t) (TYPE_MAIN_TYPE (t)->flag_target_stub)
/* Static type. If this is set, the corresponding type had
* a static modifier.
* are indicated by other means (bitpos == -1)
*/
-#define TYPE_FLAG_STATIC (1 << 4)
-#define TYPE_STATIC(t) (TYPE_FLAGS (t) & TYPE_FLAG_STATIC)
-
-/* Constant type. If this is set, the corresponding type has a
- * const modifier.
- */
-
-#define TYPE_FLAG_CONST (1 << 5)
-#define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CONST)
-
-/* Volatile type. If this is set, the corresponding type has a
- * volatile modifier.
- */
-
-#define TYPE_FLAG_VOLATILE (1 << 6)
-#define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_VOLATILE)
-
+#define TYPE_STATIC(t) (TYPE_MAIN_TYPE (t)->flag_static)
/* This is a function type which appears to have a prototype. We need this
for function calls in order to tell us if it's necessary to coerce the args,
or to just do the standard conversions. This is used with a short field. */
-#define TYPE_FLAG_PROTOTYPED (1 << 7)
-#define TYPE_PROTOTYPED(t) (TYPE_FLAGS (t) & TYPE_FLAG_PROTOTYPED)
+#define TYPE_PROTOTYPED(t) (TYPE_MAIN_TYPE (t)->flag_prototyped)
/* This flag is used to indicate that processing for this type
is incomplete.
info; the incomplete type has to be marked so that the class and
the method can be assigned correct types.) */
-#define TYPE_FLAG_INCOMPLETE (1 << 8)
-#define TYPE_INCOMPLETE(t) (TYPE_FLAGS (t) & TYPE_FLAG_INCOMPLETE)
+#define TYPE_INCOMPLETE(t) (TYPE_MAIN_TYPE (t)->flag_incomplete)
+
+/* FIXME drow/2002-06-03: Only used for methods, but applies as well
+ to functions. */
+
+#define TYPE_VARARGS(t) (TYPE_MAIN_TYPE (t)->flag_varargs)
+
+/* Identify a vector type. Gcc is handling this by adding an extra
+ attribute to the array type. We slurp that in as a new flag of a
+ type. This is used only in dwarf2read.c. */
+#define TYPE_VECTOR(t) (TYPE_MAIN_TYPE (t)->flag_vector)
+
+/* The debugging formats (especially STABS) do not contain enough information
+ to represent all Ada types---especially those whose size depends on
+ dynamic quantities. Therefore, the GNAT Ada compiler includes
+ extra information in the form of additional type definitions
+ connected by naming conventions. This flag indicates that the
+ type is an ordinary (unencoded) GDB type that has been created from
+ the necessary run-time information, and does not need further
+ interpretation. Optionally marks ordinary, fixed-size GDB type. */
+
+#define TYPE_FIXED_INSTANCE(t) (TYPE_MAIN_TYPE (t)->flag_fixed_instance)
+
+/* This debug target supports TYPE_STUB(t). In the unsupported case we have to
+ rely on NFIELDS to be zero etc., see TYPE_IS_OPAQUE ().
+ TYPE_STUB(t) with !TYPE_STUB_SUPPORTED(t) may exist if we only guessed
+ the TYPE_STUB(t) value (see dwarfread.c). */
+
+#define TYPE_STUB_SUPPORTED(t) (TYPE_MAIN_TYPE (t)->flag_stub_supported)
+
+/* Not textual. By default, GDB treats all single byte integers as
+ characters (or elements of strings) unless this flag is set. */
+
+#define TYPE_NOTTEXT(t) (TYPE_MAIN_TYPE (t)->flag_nottext)
+
+/* Type owner. If TYPE_OBJFILE_OWNED is true, the type is owned by
+ the objfile retrieved as TYPE_OBJFILE. Otherweise, the type is
+ owned by an architecture; TYPE_OBJFILE is NULL in this case. */
+
+#define TYPE_OBJFILE_OWNED(t) (TYPE_MAIN_TYPE (t)->flag_objfile_owned)
+#define TYPE_OWNER(t) TYPE_MAIN_TYPE(t)->owner
+#define TYPE_OBJFILE(t) (TYPE_OBJFILE_OWNED(t)? TYPE_OWNER(t).objfile : NULL)
+
+/* True if this type was declared using the "class" keyword. This is
+ only valid for C++ structure types, and only used for displaying
+ the type. If false, the structure was declared as a "struct". */
+
+#define TYPE_DECLARED_CLASS(t) (TYPE_MAIN_TYPE (t)->flag_declared_class)
+
+/* Constant type. If this is set, the corresponding type has a
+ * const modifier.
+ */
+
+#define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CONST)
+
+/* Volatile type. If this is set, the corresponding type has a
+ * volatile modifier.
+ */
+
+#define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_VOLATILE)
/* Instruction-space delimited type. This is for Harvard architectures
which have separate instruction and data address spaces (and perhaps
If neither flag is set, the default space for functions / methods
is instruction space, and for data objects is data memory. */
-#define TYPE_FLAG_CODE_SPACE (1 << 9)
-#define TYPE_CODE_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CODE_SPACE)
-
-#define TYPE_FLAG_DATA_SPACE (1 << 10)
-#define TYPE_DATA_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_DATA_SPACE)
-
-/* FIXME drow/2002-06-03: Only used for methods, but applies as well
- to functions. */
-
-#define TYPE_FLAG_VARARGS (1 << 11)
-#define TYPE_VARARGS(t) (TYPE_FLAGS (t) & TYPE_FLAG_VARARGS)
+#define TYPE_CODE_SPACE(t) \
+ (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CODE_SPACE)
-/* Identify a vector type. Gcc is handling this by adding an extra
- attribute to the array type. We slurp that in as a new flag of a
- type. This is used only in dwarf2read.c. */
-#define TYPE_FLAG_VECTOR (1 << 12)
-#define TYPE_VECTOR(t) (TYPE_FLAGS (t) & TYPE_FLAG_VECTOR)
+#define TYPE_DATA_SPACE(t) \
+ (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_DATA_SPACE)
/* Address class flags. Some environments provide for pointers whose
size is different from that of a normal pointer or address types
where the bits are interpreted differently than normal addresses. The
TYPE_FLAG_ADDRESS_CLASS_n flags may be used in target specific
ways to represent these different types of address classes. */
-#define TYPE_FLAG_ADDRESS_CLASS_1 (1 << 13)
#define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \
- & TYPE_FLAG_ADDRESS_CLASS_1)
-#define TYPE_FLAG_ADDRESS_CLASS_2 (1 << 14)
+ & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
#define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \
- & TYPE_FLAG_ADDRESS_CLASS_2)
-#define TYPE_FLAG_ADDRESS_CLASS_ALL (TYPE_FLAG_ADDRESS_CLASS_1 \
- | TYPE_FLAG_ADDRESS_CLASS_2)
+ & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2)
+#define TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL \
+ (TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1 | TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2)
#define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
- & TYPE_FLAG_ADDRESS_CLASS_ALL)
+ & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL)
+
+/* Determine which field of the union main_type.fields[x].loc is used. */
+
+enum field_loc_kind
+ {
+ FIELD_LOC_KIND_BITPOS, /* bitpos */
+ FIELD_LOC_KIND_PHYSADDR, /* physaddr */
+ FIELD_LOC_KIND_PHYSNAME, /* physname */
+ FIELD_LOC_KIND_DWARF_BLOCK /* dwarf_block */
+ };
+
+/* A discriminant to determine which field in the main_type.type_specific
+ union is being used, if any.
+
+ For types such as TYPE_CODE_FLT or TYPE_CODE_FUNC, the use of this
+ discriminant is really redundant, as we know from the type code
+ which field is going to be used. As such, it would be possible to
+ reduce the size of this enum in order to save a bit or two for
+ other fields of struct main_type. But, since we still have extra
+ room , and for the sake of clarity and consistency, we treat all fields
+ of the union the same way. */
+
+enum type_specific_kind
+{
+ TYPE_SPECIFIC_NONE,
+ TYPE_SPECIFIC_CPLUS_STUFF,
+ TYPE_SPECIFIC_GNAT_STUFF,
+ TYPE_SPECIFIC_FLOATFORMAT,
+ TYPE_SPECIFIC_CALLING_CONVENTION
+};
+
+/* This structure is space-critical.
+ Its layout has been tweaked to reduce the space used. */
struct main_type
{
/* Code for kind of type */
- enum type_code code;
+ ENUM_BITFIELD(type_code) code : 8;
+
+ /* Flags about this type. These fields appear at this location
+ because they packs nicely here. See the TYPE_* macros for
+ documentation about these fields. */
+
+ unsigned int flag_unsigned : 1;
+ unsigned int flag_nosign : 1;
+ unsigned int flag_stub : 1;
+ unsigned int flag_target_stub : 1;
+ unsigned int flag_static : 1;
+ unsigned int flag_prototyped : 1;
+ unsigned int flag_incomplete : 1;
+ unsigned int flag_varargs : 1;
+ unsigned int flag_vector : 1;
+ unsigned int flag_stub_supported : 1;
+ unsigned int flag_nottext : 1;
+ unsigned int flag_fixed_instance : 1;
+ unsigned int flag_objfile_owned : 1;
+ /* True if this type was declared with "class" rather than
+ "struct". */
+ unsigned int flag_declared_class : 1;
+
+ /* A discriminant telling us which field of the type_specific union
+ is being used for this type, if any. */
+ ENUM_BITFIELD(type_specific_kind) type_specific_field : 3;
+
+ /* Number of fields described for this type. This field appears at
+ this location because it packs nicely here. */
+
+ short nfields;
+
+ /* Field number of the virtual function table pointer in
+ VPTR_BASETYPE. If -1, we were unable to find the virtual
+ function table pointer in initial symbol reading, and
+ get_vptr_fieldno should be called to find it if possible.
+ get_vptr_fieldno will update this field if possible.
+ Otherwise the value is left at -1.
+
+ Unused if this type does not have virtual functions.
+
+ This field appears at this location because it packs nicely here. */
+
+ short vptr_fieldno;
/* Name of this type, or NULL if none.
This is used for printing only, except by poorly designed C++ code.
- For looking up a name, look for a symbol in the VAR_NAMESPACE. */
+ For looking up a name, look for a symbol in the VAR_DOMAIN. */
char *name;
with this feature.
This is used for printing only, except by poorly designed C++ code.
- For looking up a name, look for a symbol in the STRUCT_NAMESPACE.
+ For looking up a name, look for a symbol in the STRUCT_DOMAIN.
One more legitimate use is that if TYPE_FLAG_STUB is set, this is
the name to use to look for definitions in other files. */
char *tag_name;
- /* FIXME, these should probably be restricted to a Fortran-specific
- field in some fashion. */
-#define BOUND_CANNOT_BE_DETERMINED 5
-#define BOUND_BY_REF_ON_STACK 4
-#define BOUND_BY_VALUE_ON_STACK 3
-#define BOUND_BY_REF_IN_REG 2
-#define BOUND_BY_VALUE_IN_REG 1
-#define BOUND_SIMPLE 0
- int upper_bound_type;
- int lower_bound_type;
-
/* Every type is now associated with a particular objfile, and the
- type is allocated on the type_obstack for that objfile. One problem
+ type is allocated on the objfile_obstack for that objfile. One problem
however, is that there are times when gdb allocates new types while
it is not in the process of reading symbols from a particular objfile.
Fortunately, these happen when the type being created is a derived
major overhaul of the internal type system, it can't be avoided
for now. */
- struct objfile *objfile;
+ union type_owner
+ {
+ struct objfile *objfile;
+ struct gdbarch *gdbarch;
+ } owner;
/* For a pointer type, describes the type of object pointed to.
For an array type, describes the type of the elements.
struct type *target_type;
- /* Flags about this type. */
-
- int flags;
-
- /* Number of fields described for this type */
-
- short nfields;
-
/* For structure and union types, a description of each field.
For set and pascal array types, there is one "field",
whose type is the domain type of the set or array.
because we can allocate the space for a type before
we know what to put in it. */
- struct field
+ union
{
- union field_location
+ struct field
{
- /* Position of this field, counting in bits from start of
- containing structure.
- For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
- For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB.
- For a range bound or enum value, this is the value itself. */
+ union field_location
+ {
+ /* Position of this field, counting in bits from start of
+ containing structure.
+ For gdbarch_bits_big_endian=1 targets, it is the bit offset to the MSB.
+ For gdbarch_bits_big_endian=0 targets, it is the bit offset to the LSB.
+ For a range bound or enum value, this is the value itself. */
+
+ int bitpos;
- int bitpos;
+ /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
+ is the location (in the target) of the static field.
+ Otherwise, physname is the mangled label of the static field. */
- /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
- is the location (in the target) of the static field.
- Otherwise, physname is the mangled label of the static field. */
+ CORE_ADDR physaddr;
+ char *physname;
- CORE_ADDR physaddr;
- char *physname;
- }
- loc;
+ /* The field location can be computed by evaluating the following DWARF
+ block. This can be used in Fortran variable-length arrays, for
+ instance. */
- /* For a function or member type, this is 1 if the argument is marked
- artificial. Artificial arguments should not be shown to the
- user. */
- unsigned int artificial : 1;
+ struct dwarf2_locexpr_baton *dwarf_block;
+ }
+ loc;
- /* This flag is zero for non-static fields, 1 for fields whose location
- is specified by the label loc.physname, and 2 for fields whose location
- is specified by loc.physaddr. */
+ /* For a function or member type, this is 1 if the argument is marked
+ artificial. Artificial arguments should not be shown to the
+ user. For TYPE_CODE_RANGE it is set if the specific bound is not
+ defined. */
+ unsigned int artificial : 1;
- unsigned int static_kind : 2;
+ /* Discriminant for union field_location. */
+ ENUM_BITFIELD(field_loc_kind) loc_kind : 2;
- /* Size of this field, in bits, or zero if not packed.
- For an unpacked field, the field's type's length
- says how many bytes the field occupies. */
+ /* Size of this field, in bits, or zero if not packed.
+ If non-zero in an array type, indicates the element size in
+ bits (used only in Ada at the moment).
+ For an unpacked field, the field's type's length
+ says how many bytes the field occupies. */
- unsigned int bitsize : 29;
+ unsigned int bitsize : 29;
- /* In a struct or union type, type of this field.
- In a function or member type, type of this argument.
- In an array type, the domain-type of the array. */
+ /* In a struct or union type, type of this field.
+ In a function or member type, type of this argument.
+ In an array type, the domain-type of the array. */
- struct type *type;
+ struct type *type;
- /* Name of field, value or argument.
- NULL for range bounds, array domains, and member function
- arguments. */
+ /* Name of field, value or argument.
+ NULL for range bounds, array domains, and member function
+ arguments. */
- char *name;
+ char *name;
+ } *fields;
- } *fields;
+ /* Union member used for range types. */
+
+ struct range_bounds
+ {
+ /* Low bound of range. */
+
+ LONGEST low;
+
+ /* High bound of range. */
+
+ LONGEST high;
+
+ /* Flags indicating whether the values of low and high are
+ valid. When true, the respective range value is
+ undefined. Currently used only for FORTRAN arrays. */
+
+ char low_undefined;
+ char high_undefined;
+
+ } *bounds;
+
+ } flds_bnds;
/* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
is the base class which defined the virtual function table pointer.
- For types that are pointer to member types (TYPE_CODE_MEMBER),
- VPTR_BASETYPE is the type that this pointer is a member of.
+ For types that are pointer to member types (TYPE_CODE_METHODPTR,
+ TYPE_CODE_MEMBERPTR), VPTR_BASETYPE is the type that this pointer
+ is a member of.
For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
type that contains the method.
struct type *vptr_basetype;
- /* Field number of the virtual function table pointer in
- VPTR_BASETYPE. If -1, we were unable to find the virtual
- function table pointer in initial symbol reading, and
- fill_in_vptr_fieldno should be called to find it if possible.
-
- Unused if this type does not have virtual functions. */
-
- int vptr_fieldno;
-
/* Slot to point to additional language-specific fields of this type. */
union type_specific
struct cplus_struct_type *cplus_stuff;
- /* FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to the
- floatformat object that describes the floating-point value
- that resides within the type. */
+ /* GNAT_STUFF is for types for which the GNAT Ada compiler
+ provides additional information. */
+ struct gnat_aux_type *gnat_stuff;
+
+ /* FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to two
+ floatformat objects that describe the floating-point value
+ that resides within the type. The first is for big endian
+ targets and the second is for little endian targets. */
- const struct floatformat *floatformat;
+ const struct floatformat **floatformat;
+
+ /* For TYPE_CODE_FUNC types, the calling convention for targets
+ supporting multiple ABIs. Right now this is only fetched from
+ the Dwarf-2 DW_AT_calling_convention attribute. */
+ unsigned calling_convention;
} type_specific;
};
short nfn_fields_total;
- /* The "declared_type" field contains a code saying how the
- user really declared this type, e.g., "class s", "union s",
- "struct s".
- The 3 above things come out from the C++ compiler looking like classes,
- but we keep track of the real declaration so we can give
- the correct information on "ptype". (Note: TEMPLATE may not
- belong in this list...) */
+ /* Number of template arguments, placed here for better struct
+ packing. */
-#define DECLARED_TYPE_CLASS 0
-#define DECLARED_TYPE_UNION 1
-#define DECLARED_TYPE_STRUCT 2
-#define DECLARED_TYPE_TEMPLATE 3
- short declared_type; /* One of the above codes */
+ short ntemplate_args;
/* For derived classes, the number of base classes is given by n_baseclasses
and virtual_field_bits is a bit vector containing one bit per base class.
to reconstruct the rest of the fields). */
unsigned int is_stub:1;
- /* C++ method that is inlined */
- unsigned int is_inlined:1;
-
/* Unused. */
- unsigned int dummy:3;
+ unsigned int dummy:4;
/* Index into that baseclass's virtual function table,
minus 2; else if static: VOFFSET_STATIC; else: 0. */
* is a name. "type" will typically just point to a "struct type" with
* the placeholder TYPE_CODE_TEMPLATE_ARG type.
*/
- short ntemplate_args;
struct template_arg
{
char *name;
}
*template_args;
- /* If this "struct type" describes a template, it has a list
- * of instantiations. "instantiations" is a pointer to an array
- * of type's, one representing each instantiation. There
- * are "ninstantiations" elements in this array.
- */
- short ninstantiations;
- struct type **instantiations;
-
- /* The following points to information relevant to the runtime model
- * of the compiler.
- * Currently being used only for HP's ANSI C++ compiler.
- * (This type may have to be changed/enhanced for other compilers.)
- *
- * RUNTIME_PTR is NULL if there is no runtime information (currently
- * this means the type was not compiled by HP aCC).
- *
- * Fields in structure pointed to:
- * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present
- *
- * ->PRIMARY_BASE points to the first non-virtual base class that has
- * a virtual table.
- *
- * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that
- * point to the type information for all virtual bases among this type's
- * ancestors.
- */
- struct runtime_info
- {
- short has_vtable;
- struct type *primary_base;
- struct type **virtual_base_list;
- }
- *runtime_ptr;
-
/* Pointer to information about enclosing scope, if this is a
* local type. If it is not a local type, this is NULL
*/
int line;
}
*localtype_ptr;
+
+ /* One if this struct is a dynamic class, as defined by the
+ Itanium C++ ABI: if it requires a virtual table pointer,
+ because it or any of its base classes have one or more virtual
+ member functions or virtual base classes. Minus one if not
+ dynamic. Zero if not yet computed. */
+ int is_dynamic : 2;
};
/* Struct used in computing virtual base list */
int *rank;
};
+/* GNAT Ada-specific information for various Ada types. */
+struct gnat_aux_type
+ {
+ /* Parallel type used to encode information about dynamic types
+ used in Ada (such as variant records, variable-size array,
+ etc). */
+ struct type* descriptive_type;
+ };
+
/* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
this shared static structure. */
extern void allocate_cplus_struct_type (struct type *);
#define INIT_CPLUS_SPECIFIC(type) \
- (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
+ (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_CPLUS_STUFF, \
+ TYPE_RAW_CPLUS_SPECIFIC (type) = (struct cplus_struct_type*) &cplus_struct_default)
+
#define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
+
#define HAVE_CPLUS_STRUCT(type) \
- (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
+ (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_CPLUS_STUFF \
+ && TYPE_RAW_CPLUS_SPECIFIC (type) != &cplus_struct_default)
+
+extern const struct gnat_aux_type gnat_aux_default;
+
+extern void allocate_gnat_aux_type (struct type *);
+
+#define INIT_GNAT_SPECIFIC(type) \
+ (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_GNAT_STUFF, \
+ TYPE_GNAT_SPECIFIC (type) = (struct gnat_aux_type *) &gnat_aux_default)
+#define ALLOCATE_GNAT_AUX_TYPE(type) allocate_gnat_aux_type (type)
+/* A macro that returns non-zero if the type-specific data should be
+ read as "gnat-stuff". */
+#define HAVE_GNAT_AUX_INFO(type) \
+ (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_GNAT_STUFF)
#define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
#define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
so you only have to call check_typedef once. Since allocate_value
calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
#define TYPE_LENGTH(thistype) (thistype)->length
-#define TYPE_OBJFILE(thistype) TYPE_MAIN_TYPE(thistype)->objfile
-#define TYPE_FLAGS(thistype) TYPE_MAIN_TYPE(thistype)->flags
/* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you want the real
type, you need to do TYPE_CODE (check_type (this_type)). */
#define TYPE_CODE(thistype) TYPE_MAIN_TYPE(thistype)->code
#define TYPE_NFIELDS(thistype) TYPE_MAIN_TYPE(thistype)->nfields
-#define TYPE_FIELDS(thistype) TYPE_MAIN_TYPE(thistype)->fields
+#define TYPE_FIELDS(thistype) TYPE_MAIN_TYPE(thistype)->flds_bnds.fields
#define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
-#define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
#define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
-#define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
-#define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
+#define TYPE_RANGE_DATA(thistype) TYPE_MAIN_TYPE(thistype)->flds_bnds.bounds
+#define TYPE_LOW_BOUND(range_type) TYPE_RANGE_DATA(range_type)->low
+#define TYPE_HIGH_BOUND(range_type) TYPE_RANGE_DATA(range_type)->high
+#define TYPE_LOW_BOUND_UNDEFINED(range_type) \
+ TYPE_RANGE_DATA(range_type)->low_undefined
+#define TYPE_HIGH_BOUND_UNDEFINED(range_type) \
+ TYPE_RANGE_DATA(range_type)->high_undefined
/* Moto-specific stuff for FORTRAN arrays */
-#define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) \
- TYPE_MAIN_TYPE(thistype)->upper_bound_type
-#define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) \
- TYPE_MAIN_TYPE(thistype)->lower_bound_type
+#define TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED(arraytype) \
+ TYPE_HIGH_BOUND_UNDEFINED(TYPE_INDEX_TYPE(arraytype))
+#define TYPE_ARRAY_LOWER_BOUND_IS_UNDEFINED(arraytype) \
+ TYPE_LOW_BOUND_UNDEFINED(TYPE_INDEX_TYPE(arraytype))
#define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
- (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
+ (TYPE_HIGH_BOUND(TYPE_INDEX_TYPE((arraytype))))
#define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
- (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
+ (TYPE_LOW_BOUND(TYPE_INDEX_TYPE((arraytype))))
/* C++ */
#define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
#define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
#define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
-#define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
-#define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
+#define TYPE_SPECIFIC_FIELD(thistype) \
+ TYPE_MAIN_TYPE(thistype)->type_specific_field
#define TYPE_TYPE_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific
-#define TYPE_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff
+/* We need this tap-dance with the TYPE_RAW_SPECIFIC because of the case
+ where we're trying to print an Ada array using the C language.
+ In that case, there is no "cplus_stuff", but the C language assumes
+ that there is. What we do, in that case, is pretend that there is
+ an implicit one which is the default cplus stuff. */
+#define TYPE_CPLUS_SPECIFIC(thistype) \
+ (!HAVE_CPLUS_STRUCT(thistype) \
+ ? (struct cplus_struct_type*)&cplus_struct_default \
+ : TYPE_RAW_CPLUS_SPECIFIC(thistype))
+#define TYPE_RAW_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff
#define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat
-#define TYPE_BASECLASS(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].type
+#define TYPE_GNAT_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.gnat_stuff
+#define TYPE_DESCRIPTIVE_TYPE(thistype) TYPE_GNAT_SPECIFIC(thistype)->descriptive_type
+#define TYPE_CALLING_CONVENTION(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.calling_convention
+#define TYPE_BASECLASS(thistype,index) TYPE_FIELD_TYPE(thistype, index)
#define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
-#define TYPE_BASECLASS_NAME(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].name
+#define TYPE_BASECLASS_NAME(thistype,index) TYPE_FIELD_NAME(thistype, index)
#define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
#define BASETYPE_VIA_PUBLIC(thistype, index) \
((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
+#define TYPE_CPLUS_DYNAMIC(thistype) TYPE_CPLUS_SPECIFIC (thistype)->is_dynamic
#define BASETYPE_VIA_VIRTUAL(thistype, index) \
(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
#define FIELD_TYPE(thisfld) ((thisfld).type)
#define FIELD_NAME(thisfld) ((thisfld).name)
+#define FIELD_LOC_KIND(thisfld) ((thisfld).loc_kind)
#define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
+#define FIELD_STATIC_PHYSNAME(thisfld) ((thisfld).loc.physname)
+#define FIELD_STATIC_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
+#define FIELD_DWARF_BLOCK(thisfld) ((thisfld).loc.dwarf_block)
+#define SET_FIELD_BITPOS(thisfld, bitpos) \
+ (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_BITPOS, \
+ FIELD_BITPOS (thisfld) = (bitpos))
+#define SET_FIELD_PHYSNAME(thisfld, name) \
+ (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_PHYSNAME, \
+ FIELD_STATIC_PHYSNAME (thisfld) = (name))
+#define SET_FIELD_PHYSADDR(thisfld, addr) \
+ (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_PHYSADDR, \
+ FIELD_STATIC_PHYSADDR (thisfld) = (addr))
+#define SET_FIELD_DWARF_BLOCK(thisfld, addr) \
+ (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_DWARF_BLOCK, \
+ FIELD_DWARF_BLOCK (thisfld) = (addr))
#define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial)
#define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
-#define FIELD_STATIC_KIND(thisfld) ((thisfld).static_kind)
-#define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname)
-#define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
-#define SET_FIELD_PHYSNAME(thisfld, name) \
- ((thisfld).static_kind = 1, FIELD_PHYSNAME(thisfld) = (name))
-#define SET_FIELD_PHYSADDR(thisfld, name) \
- ((thisfld).static_kind = 2, FIELD_PHYSADDR(thisfld) = (name))
-#define TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->fields[n]
+
+#define TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->flds_bnds.fields[n]
#define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
#define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
-#define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
+#define TYPE_FIELD_LOC_KIND(thistype, n) FIELD_LOC_KIND (TYPE_FIELD (thistype, n))
+#define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS (TYPE_FIELD (thistype, n))
+#define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_STATIC_PHYSNAME (TYPE_FIELD (thistype, n))
+#define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_STATIC_PHYSADDR (TYPE_FIELD (thistype, n))
+#define TYPE_FIELD_DWARF_BLOCK(thistype, n) FIELD_DWARF_BLOCK (TYPE_FIELD (thistype, n))
#define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n))
#define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
#define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
#define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
-#define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
#define TYPE_FIELD_PRIVATE_BITS(thistype) \
TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
: B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
-#define TYPE_FIELD_STATIC(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind != 0)
-#define TYPE_FIELD_STATIC_KIND(thistype, n) TYPE_MAIN_TYPE (thistype)->fields[n].static_kind
-#define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind == 2)
-#define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n))
-#define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n))
-
#define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
#define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
#define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
#define TYPE_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial)
#define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
#define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
-#define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
#define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
#define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
#define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
#define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
-#define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr)
-#define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable)
-#define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype))
-#define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base)
-#define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list)
-
#define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
#define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
#define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
#define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \
(TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \
(TYPE_NFIELDS (thistype) == 0) && \
- (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)))
-
-
-
-/* Implicit sizes */
-extern struct type *builtin_type_void;
-extern struct type *builtin_type_char;
-extern struct type *builtin_type_short;
-extern struct type *builtin_type_int;
-extern struct type *builtin_type_long;
-extern struct type *builtin_type_signed_char;
-extern struct type *builtin_type_unsigned_char;
-extern struct type *builtin_type_unsigned_short;
-extern struct type *builtin_type_unsigned_int;
-extern struct type *builtin_type_unsigned_long;
-extern struct type *builtin_type_float;
-extern struct type *builtin_type_double;
-extern struct type *builtin_type_long_double;
-extern struct type *builtin_type_complex;
-extern struct type *builtin_type_double_complex;
-extern struct type *builtin_type_string;
-extern struct type *builtin_type_bool;
-
-/* Address/pointer types: */
-/* (C) Language `pointer to data' type. Some target platforms use an
- implicitly {sign,zero} -extended 32 bit C language pointer on a 64
- bit ISA. */
-extern struct type *builtin_type_void_data_ptr;
-
-/* (C) Language `pointer to function returning void' type. Since
- ANSI, C standards have explicitly said that pointers to functions
- and pointers to data are not interconvertible --- that is, you
- can't cast a function pointer to void * and back, and expect to get
- the same value. However, all function pointer types are
- interconvertible, so void (*) () can server as a generic function
- pointer. */
-extern struct type *builtin_type_void_func_ptr;
-
-/* The target CPU's address type. This is the ISA address size. */
-extern struct type *builtin_type_CORE_ADDR;
-/* The symbol table address type. Some object file formats have a 32
- bit address type even though the TARGET has a 64 bit pointer type
- (cf MIPS). */
-extern struct type *builtin_type_bfd_vma;
-
-/* Explicit sizes - see C9X <intypes.h> for naming scheme */
-extern struct type *builtin_type_int8;
-extern struct type *builtin_type_uint8;
-extern struct type *builtin_type_int16;
-extern struct type *builtin_type_uint16;
-extern struct type *builtin_type_int32;
-extern struct type *builtin_type_uint32;
-extern struct type *builtin_type_int64;
-extern struct type *builtin_type_uint64;
-extern struct type *builtin_type_int128;
-extern struct type *builtin_type_uint128;
-
-/* SIMD types. We inherit these names from GCC. */
-extern struct type *builtin_type_v4sf;
-extern struct type *builtin_type_v4si;
-extern struct type *builtin_type_v16qi;
-extern struct type *builtin_type_v8qi;
-extern struct type *builtin_type_v8hi;
-extern struct type *builtin_type_v4hi;
-extern struct type *builtin_type_v2si;
-
-/* Type for 64 bit vectors. */
-extern struct type *builtin_type_vec64;
-extern struct type *builtin_type_vec64i;
-
-/* Type for 128 bit vectors. */
-extern struct type *builtin_type_vec128;
-extern struct type *builtin_type_vec128i;
+ (HAVE_CPLUS_STRUCT (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)) && \
+ (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
+
+struct builtin_type
+{
+ /* Integral types. */
+
+ /* Implicit size/sign (based on the the architecture's ABI). */
+ struct type *builtin_void;
+ struct type *builtin_char;
+ struct type *builtin_short;
+ struct type *builtin_int;
+ struct type *builtin_long;
+ struct type *builtin_signed_char;
+ struct type *builtin_unsigned_char;
+ struct type *builtin_unsigned_short;
+ struct type *builtin_unsigned_int;
+ struct type *builtin_unsigned_long;
+ struct type *builtin_float;
+ struct type *builtin_double;
+ struct type *builtin_long_double;
+ struct type *builtin_complex;
+ struct type *builtin_double_complex;
+ struct type *builtin_string;
+ struct type *builtin_bool;
+ struct type *builtin_long_long;
+ struct type *builtin_unsigned_long_long;
+ struct type *builtin_decfloat;
+ struct type *builtin_decdouble;
+ struct type *builtin_declong;
+
+ /* "True" character types.
+ We use these for the '/c' print format, because c_char is just a
+ one-byte integral type, which languages less laid back than C
+ will print as ... well, a one-byte integral type. */
+ struct type *builtin_true_char;
+ struct type *builtin_true_unsigned_char;
+
+ /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0"
+ is for when an architecture needs to describe a register that has
+ no size. */
+ struct type *builtin_int0;
+ struct type *builtin_int8;
+ struct type *builtin_uint8;
+ struct type *builtin_int16;
+ struct type *builtin_uint16;
+ struct type *builtin_int32;
+ struct type *builtin_uint32;
+ struct type *builtin_int64;
+ struct type *builtin_uint64;
+ struct type *builtin_int128;
+ struct type *builtin_uint128;
+
+
+ /* Pointer types. */
+
+ /* `pointer to data' type. Some target platforms use an implicitly
+ {sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */
+ struct type *builtin_data_ptr;
+
+ /* `pointer to function (returning void)' type. Harvard
+ architectures mean that ABI function and code pointers are not
+ interconvertible. Similarly, since ANSI, C standards have
+ explicitly said that pointers to functions and pointers to data
+ are not interconvertible --- that is, you can't cast a function
+ pointer to void * and back, and expect to get the same value.
+ However, all function pointer types are interconvertible, so void
+ (*) () can server as a generic function pointer. */
+ struct type *builtin_func_ptr;
+
+
+ /* Special-purpose types. */
+
+ /* This type is used to represent a GDB internal function. */
+ struct type *internal_fn;
+};
+/* Return the type table for the specified architecture. */
+extern const struct builtin_type *builtin_type (struct gdbarch *gdbarch);
+
+
+/* Per-objfile types used by symbol readers. */
+
+struct objfile_type
+{
+ /* Basic types based on the objfile architecture. */
+ struct type *builtin_void;
+ struct type *builtin_char;
+ struct type *builtin_short;
+ struct type *builtin_int;
+ struct type *builtin_long;
+ struct type *builtin_long_long;
+ struct type *builtin_signed_char;
+ struct type *builtin_unsigned_char;
+ struct type *builtin_unsigned_short;
+ struct type *builtin_unsigned_int;
+ struct type *builtin_unsigned_long;
+ struct type *builtin_unsigned_long_long;
+ struct type *builtin_float;
+ struct type *builtin_double;
+ struct type *builtin_long_double;
+
+ /* This type is used to represent symbol addresses. */
+ struct type *builtin_core_addr;
+
+ /* This type represents a type that was unrecognized in symbol read-in. */
+ struct type *builtin_error;
+
+ /* Types used for symbols with no debug information. */
+ struct type *nodebug_text_symbol;
+ struct type *nodebug_data_symbol;
+ struct type *nodebug_unknown_symbol;
+ struct type *nodebug_tls_symbol;
+};
+
+/* Return the type table for the specified objfile. */
+extern const struct objfile_type *objfile_type (struct objfile *objfile);
+
+
/* Explicit floating-point formats. See "floatformat.h". */
-extern struct type *builtin_type_ieee_single_big;
-extern struct type *builtin_type_ieee_single_little;
-extern struct type *builtin_type_ieee_double_big;
-extern struct type *builtin_type_ieee_double_little;
-extern struct type *builtin_type_ieee_double_littlebyte_bigword;
-extern struct type *builtin_type_i387_ext;
-extern struct type *builtin_type_m68881_ext;
-extern struct type *builtin_type_i960_ext;
-extern struct type *builtin_type_m88110_ext;
-extern struct type *builtin_type_m88110_harris_ext;
-extern struct type *builtin_type_arm_ext_big;
-extern struct type *builtin_type_arm_ext_littlebyte_bigword;
-extern struct type *builtin_type_ia64_spill_big;
-extern struct type *builtin_type_ia64_spill_little;
-extern struct type *builtin_type_ia64_quad_big;
-extern struct type *builtin_type_ia64_quad_little;
-
-/* We use this for the '/c' print format, because builtin_type_char is
- just a one-byte integral type, which languages less laid back than
- C will print as ... well, a one-byte integral type. */
-extern struct type *builtin_type_true_char;
-
-/* This type represents a type that was unrecognized in symbol
- read-in. */
-
-extern struct type *builtin_type_error;
-
-extern struct type *builtin_type_long_long;
-extern struct type *builtin_type_unsigned_long_long;
-
-/* Modula-2 types */
-
-extern struct type *builtin_type_m2_char;
-extern struct type *builtin_type_m2_int;
-extern struct type *builtin_type_m2_card;
-extern struct type *builtin_type_m2_real;
-extern struct type *builtin_type_m2_bool;
-
-/* Fortran (F77) types */
-
-extern struct type *builtin_type_f_character;
-extern struct type *builtin_type_f_integer;
-extern struct type *builtin_type_f_integer_s2;
-extern struct type *builtin_type_f_logical;
-extern struct type *builtin_type_f_logical_s1;
-extern struct type *builtin_type_f_logical_s2;
-extern struct type *builtin_type_f_real;
-extern struct type *builtin_type_f_real_s8;
-extern struct type *builtin_type_f_real_s16;
-extern struct type *builtin_type_f_complex_s8;
-extern struct type *builtin_type_f_complex_s16;
-extern struct type *builtin_type_f_complex_s32;
-extern struct type *builtin_type_f_void;
-
-/* RTTI for C++ */
-/* extern struct type *builtin_type_cxx_typeinfo; */
+extern const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_i387_ext[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_m68881_ext[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_arm_ext[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ia64_spill[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ia64_quad[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_vax_f[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_vax_d[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ibm_long_double[BFD_ENDIAN_UNKNOWN];
+
/* Maximum and minimum values of built-in types */
/* Allocate space for storing data associated with a particular type.
We ensure that the space is allocated using the same mechanism that
was used to allocate the space for the type structure itself. I.E.
- if the type is on an objfile's type_obstack, then the space for data
- associated with that type will also be allocated on the type_obstack.
+ if the type is on an objfile's objfile_obstack, then the space for data
+ associated with that type will also be allocated on the objfile_obstack.
If the type is not associated with any particular objfile (such as
builtin types), then the data space will be allocated with xmalloc,
the same as for the type structure. */
#define TYPE_ALLOC(t,size) \
- (TYPE_OBJFILE (t) != NULL \
- ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
+ (TYPE_OBJFILE_OWNED (t) \
+ ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \
: xmalloc (size))
+#define TYPE_ZALLOC(t,size) \
+ (TYPE_OBJFILE_OWNED (t) \
+ ? memset (obstack_alloc (&TYPE_OBJFILE (t)->objfile_obstack, size), \
+ 0, size) \
+ : xzalloc (size))
+
+/* Use alloc_type to allocate a type owned by an objfile.
+ Use alloc_type_arch to allocate a type owned by an architecture.
+ Use alloc_type_copy to allocate a type with the same owner as a
+ pre-existing template type, no matter whether objfile or gdbarch. */
extern struct type *alloc_type (struct objfile *);
+extern struct type *alloc_type_arch (struct gdbarch *);
+extern struct type *alloc_type_copy (const struct type *);
+
+/* Return the type's architecture. For types owned by an architecture,
+ that architecture is returned. For types owned by an objfile, that
+ objfile's architecture is returned. */
+extern struct gdbarch *get_type_arch (const struct type *);
+/* Helper function to construct objfile-owned types. */
extern struct type *init_type (enum type_code, int, int, char *,
struct objfile *);
+/* Helper functions to construct architecture-owned types. */
+extern struct type *arch_type (struct gdbarch *, enum type_code, int, char *);
+extern struct type *arch_integer_type (struct gdbarch *, int, int, char *);
+extern struct type *arch_character_type (struct gdbarch *, int, int, char *);
+extern struct type *arch_boolean_type (struct gdbarch *, int, int, char *);
+extern struct type *arch_float_type (struct gdbarch *, int, char *,
+ const struct floatformat **);
+extern struct type *arch_complex_type (struct gdbarch *, char *,
+ struct type *);
+
/* Helper functions to construct a struct or record type. An
- initially empty type is created using init_composite_type().
- Fields are then added using append_struct_type_field(). A union
+ initially empty type is created using arch_composite_type().
+ Fields are then added using append_composite_type_field*(). A union
type has its size set to the largest field. A struct type has each
field packed against the previous. */
-extern struct type *init_composite_type (char *name, enum type_code code);
+extern struct type *arch_composite_type (struct gdbarch *gdbarch,
+ char *name, enum type_code code);
extern void append_composite_type_field (struct type *t, char *name,
struct type *field);
+extern void append_composite_type_field_aligned (struct type *t,
+ char *name,
+ struct type *field,
+ int alignment);
+
+/* Helper functions to construct a bit flags type. An initially empty
+ type is created using arch_flag_type(). Flags are then added using
+ append_flag_type_flag(). */
+extern struct type *arch_flags_type (struct gdbarch *gdbarch,
+ char *name, int length);
+extern void append_flags_type_flag (struct type *type, int bitpos, char *name);
+
+extern void make_vector_type (struct type *array_type);
+extern struct type *init_vector_type (struct type *elt_type, int n);
extern struct type *lookup_reference_type (struct type *);
extern void replace_type (struct type *, struct type *);
-extern int address_space_name_to_int (char *);
+extern int address_space_name_to_int (struct gdbarch *, char *);
-extern const char *address_space_int_to_name (int);
+extern const char *address_space_int_to_name (struct gdbarch *, int);
extern struct type *make_type_with_address_space (struct type *type,
int space_identifier);
-extern struct type *lookup_member_type (struct type *, struct type *);
+extern struct type *lookup_memberptr_type (struct type *, struct type *);
+
+extern struct type *lookup_methodptr_type (struct type *);
-extern void
-smash_to_method_type (struct type *type, struct type *domain,
- struct type *to_type, struct field *args,
- int nargs, int varargs);
+extern void smash_to_method_type (struct type *type, struct type *domain,
+ struct type *to_type, struct field *args,
+ int nargs, int varargs);
-extern void smash_to_member_type (struct type *, struct type *, struct type *);
+extern void smash_to_memberptr_type (struct type *, struct type *,
+ struct type *);
+
+extern void smash_to_methodptr_type (struct type *, struct type *);
extern struct type *allocate_stub_method (struct type *);
extern struct type *lookup_function_type (struct type *);
-extern struct type *create_range_type (struct type *, struct type *, int,
- int);
+extern struct type *create_range_type (struct type *, struct type *, LONGEST,
+ LONGEST);
extern struct type *create_array_type (struct type *, struct type *,
struct type *);
+extern struct type *lookup_array_range_type (struct type *, int, int);
-extern struct type *create_string_type (struct type *, struct type *);
+extern struct type *create_string_type (struct type *, struct type *,
+ struct type *);
+extern struct type *lookup_string_range_type (struct type *, int, int);
extern struct type *create_set_type (struct type *, struct type *);
-extern struct type *lookup_unsigned_typename (char *);
+extern struct type *lookup_unsigned_typename (const struct language_defn *,
+ struct gdbarch *,char *);
-extern struct type *lookup_signed_typename (char *);
+extern struct type *lookup_signed_typename (const struct language_defn *,
+ struct gdbarch *,char *);
extern struct type *check_typedef (struct type *);
-#define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
+#define CHECK_TYPEDEF(TYPE) \
+ do { \
+ (TYPE) = check_typedef (TYPE); \
+ } while (0)
extern void check_stub_method_group (struct type *, int);
-extern struct type *lookup_primitive_typename (char *);
-
extern char *gdb_mangle_name (struct type *, int, int);
-extern struct type *builtin_type (char **);
-
-extern struct type *lookup_typename (char *, struct block *, int);
+extern struct type *lookup_typename (const struct language_defn *,
+ struct gdbarch *, char *,
+ struct block *, int);
extern struct type *lookup_template_type (char *, struct type *,
struct block *);
-extern struct type *lookup_fundamental_type (struct objfile *, int);
-
-extern void fill_in_vptr_fieldno (struct type *);
-
-extern int get_destructor_fn_field (struct type *, int *, int *);
+extern int get_vptr_fieldno (struct type *, struct type **);
extern int get_discrete_bounds (struct type *, LONGEST *, LONGEST *);
-extern int is_ancestor (struct type *, struct type *);
-
-extern int has_vtable (struct type *);
-
-extern struct type *primary_base_class (struct type *);
-
-extern struct type **virtual_base_list (struct type *);
-
-extern int virtual_base_list_length (struct type *);
-extern int virtual_base_list_length_skip_primaries (struct type *);
-
-extern int virtual_base_index (struct type *, struct type *);
-extern int virtual_base_index_skip_primaries (struct type *, struct type *);
+extern int class_types_same_p (const struct type *, const struct type *);
+extern int is_ancestor (struct type *, struct type *);
-extern int class_index_in_primary_list (struct type *);
-
-extern int count_virtual_fns (struct type *);
-
-/* Constants for HP/Taligent ANSI C++ runtime model */
-
-/* Where virtual function entries begin in the
- * virtual table, in the non-RRBC vtable format.
- * First 4 are the metavtable pointer, top offset,
- * typeinfo pointer, and dup base info pointer */
-#define HP_ACC_VFUNC_START 4
-
-/* (Negative) Offset where virtual base offset entries begin
- * in the virtual table. Skips over metavtable pointer and
- * the self-offset entry.
- * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
- * appear before the address point of the vtable (the slot
- * pointed to by the object's vtable pointer), i.e. at lower
- * addresses than the vtable pointer. */
-#define HP_ACC_VBASE_START 2
-
-/* (Positive) Offset where the pointer to the typeinfo
- * object is present in the virtual table */
-#define HP_ACC_TYPEINFO_OFFSET 2
+extern int is_public_ancestor (struct type *, struct type *);
-/* (Positive) Offset where the ``top offset'' entry of
- * the virtual table is */
-#define HP_ACC_TOP_OFFSET_OFFSET 1
+extern int is_unique_ancestor (struct type *, struct value *);
/* Overload resolution */
extern void recursive_dump_type (struct type *, int);
+extern int field_is_static (struct field *);
+
/* printcmd.c */
-extern void print_scalar_formatted (void *, struct type *, int, int,
- struct ui_file *);
+extern void print_scalar_formatted (const void *, struct type *,
+ const struct value_print_options *,
+ int, struct ui_file *);
extern int can_dereference (struct type *);
extern void maintenance_print_type (char *, int);
+extern htab_t create_copied_types_hash (struct objfile *objfile);
+
+extern struct type *copy_type_recursive (struct objfile *objfile,
+ struct type *type,
+ htab_t copied_types);
+
+extern struct type *copy_type (const struct type *type);
+
#endif /* GDBTYPES_H */
projects / deliverable / binutils-gdb.git / blobdiff