/* Internal type definitions for GDB.
- Copyright (C) 1992 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
This file is part of GDB.
TYPE_CODE_FUNC, /* Function type */
TYPE_CODE_INT, /* Integer type */
- /* Floating type. This is *NOT* a complex type. Complex types, when
- we have them, will have their own type code (or TYPE_CODE_ERROR if
- we can parse a complex type but not manipulate it). There are parts
+ /* Floating type. This is *NOT* a complex type. Beware, there are parts
of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */
TYPE_CODE_FLT,
- /* Void type (values zero length; the length field is ignored). */
+ /* Void type. The length field specifies the length (probably always
+ one) which is used in pointer arithmetic involving pointers to
+ this type, but actually dereferencing such a pointer is invalid;
+ a void type has no length and no actual representation in memory
+ or registers. A pointer to a void type is a generic pointer. */
TYPE_CODE_VOID,
TYPE_CODE_SET, /* Pascal sets */
/* Boolean type. 0 is false, 1 is true, and other values are non-boolean
(e.g. FORTRAN "logical" used as unsigned int). */
- TYPE_CODE_BOOL
+ TYPE_CODE_BOOL,
+
+ /* Fortran */
+ TYPE_CODE_COMPLEX /* Complex float */
};
/* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
/* The target type of this type is a stub type, and this type needs to
be updated if it gets un-stubbed in check_stub_type. Currently only
- used for arrays, in which TYPE_LENGTH of the array gets set based
- on the TYPE_LENGTH of the target type. */
+ used for arrays and ranges, in which TYPE_LENGTH of the array/range
+ gets set based on the TYPE_LENGTH of the target type. */
#define TYPE_FLAG_TARGET_STUB (1 << 3)
char *tag_name;
- /* Length, in units of TARGET_CHAR_BIT bits,
- of storage for a value of this type */
+ /* Length of storage for a value of this type. Various places pass
+ this to memcpy and such, meaning it must be in units of
+ HOST_CHAR_BIT. Various other places expect they can calculate
+ addresses by adding it and such, meaning it must be in units of
+ TARGET_CHAR_BIT. For some DSP targets, in which HOST_CHAR_BIT
+ will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32, this
+ is a problem. One fix would be to make this field in bits
+ (requiring that it always be a multiple of HOST_CHAR_BIT and
+ TARGET_CHAR_BIT)--the other choice would be to make it
+ consistently in units of HOST_CHAR_BIT. */
unsigned length;
+ /* 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
however, is that there are times when gdb allocates new types while
For an array type, describes the type of the elements.
For a function or method type, describes the type of the return value.
For a range type, describes the type of the full range.
+ For a complex type, describes the type of each coordinate.
Unused otherwise. */
struct type *target_type;
struct type *reference_type;
- /* Type that is a function returning this type.
- NULL if no such function type is known here.
- The debugger may add the address of such a type
- if it has to construct one later. */
-
- struct type *function_type;
-
/* Flags about this type. */
short flags;
For range types, there are two "fields",
the minimum and maximum values (both inclusive).
For enum types, each possible value is described by one "field".
+ For a function type, a "field" for each parameter type.
For C++ classes, there is one field for each base class (if it is
a derived class) plus one field for each class data member. Member
functions are recorded elsewhere.
short nfn_fields;
- /* Number of methods described for this type plus all the
+ /* Number of methods described for this type, not including the
methods that it derives from. */
int nfn_fields_total;
#define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
#define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
#define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
-#define TYPE_FUNCTION_TYPE(thistype) (thistype)->function_type
#define TYPE_LENGTH(thistype) (thistype)->length
#define TYPE_OBJFILE(thistype) (thistype)->objfile
#define TYPE_FLAGS(thistype) (thistype)->flags
#define TYPE_NFIELDS(thistype) (thistype)->nfields
#define TYPE_FIELDS(thistype) (thistype)->fields
+#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)
/* If TYPE_DUMMY_RANGE is true for a range type, it was allocated
by force_to_range_type. */
#define TYPE_DUMMY_RANGE(type) ((type)->vptr_fieldno)
+/* Moto-specific stuff for FORTRAN arrays */
+
+#define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type
+#define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type
+
+#define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
+ (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
+
+#define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
+ (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
+
/* C++ */
#define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
extern struct type *builtin_type_chill_ulong;
extern struct type *builtin_type_chill_real;
+/* Fortran (F77) types */
+
+extern struct type *builtin_type_f_character;
+extern struct type *builtin_type_f_integer;
+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_integer;
+extern struct type *builtin_type_f_integer_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;
+
/* Maximum and minimum values of built-in types */
#define MAX_OF_TYPE(t) \
extern struct type *
create_string_type PARAMS ((struct type *, struct type *));
-extern struct type *
-create_set_type PARAMS ((struct type *, struct type *));
+extern struct type *create_set_type PARAMS ((struct type *, struct type *));
+
+extern int chill_varying_type PARAMS ((struct type*));
extern struct type *
lookup_unsigned_typename PARAMS ((char *));
extern void
print_scalar_formatted PARAMS ((char *, struct type *, int, int, GDB_FILE *));
+extern int can_dereference PARAMS ((struct type *));
+
#if MAINTENANCE_CMDS
extern void maintenance_print_type PARAMS ((char *, int));
#endif
projects / deliverable / binutils-gdb.git / blobdiff