X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbtypes.h;h=b7a9a75297431a4f4de6b5a22e7aee8634a592be;hb=3b7538c0317072d430eca4e808b183dac5bd5e45;hp=9c7bf1174dba7477783d7a89aa94b6223b7a6730;hpb=bf229b4ea5f95fa036f6d3dc8fc7b236c5028f5e;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/gdbtypes.h b/gdb/gdbtypes.h
index 9c7bf1174d..c5175efb5f 100644
--- a/gdb/gdbtypes.h
+++ b/gdb/gdbtypes.h
@@ -1,132 +1,402 @@
/* Internal type definitions for GDB.
- Copyright (C) 1992 Free Software Foundation, Inc.
+
+ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+ 2002, 2003, 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+
Contributed by Cygnus Support, using pieces from other GDB modules.
-This file is part of GDB.
+ This file is part of GDB.
-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
-(at your option) any later version.
+ 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 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
#if !defined (GDBTYPES_H)
#define GDBTYPES_H 1
-/* When gdb creates fundamental types, it uses one of the following
- type identifiers. The identifiers are used to index a vector of
- pointers to any types that are created. */
-
-#define FT_VOID 0
-#define FT_BOOLEAN 1
-#define FT_CHAR 2
-#define FT_SIGNED_CHAR 3
-#define FT_UNSIGNED_CHAR 4
-#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_NUM_MEMBERS 28 /* Highest FT_* above, plus one. */
+#include "hashtab.h"
+
+/* Forward declarations for prototypes. */
+struct field;
+struct block;
+struct value_print_options;
+struct language_defn;
+
+/* Some macros for char-based bitfields. */
+
+#define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
+#define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
+#define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
+#define B_TYPE unsigned char
+#define B_BYTES(x) ( 1 + ((x)>>3) )
+#define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
/* Different kinds of data types are distinguished by the `code' field. */
enum type_code
-{
- TYPE_CODE_UNDEF, /* Not used; catches errors */
- TYPE_CODE_PTR, /* Pointer type */
- TYPE_CODE_ARRAY, /* Array type, lower bound zero */
- TYPE_CODE_STRUCT, /* C struct or Pascal record */
- TYPE_CODE_UNION, /* C union or Pascal variant part */
- TYPE_CODE_ENUM, /* Enumeration type */
- TYPE_CODE_FUNC, /* Function type */
- TYPE_CODE_INT, /* Integer type */
- TYPE_CODE_FLT, /* Floating type */
- TYPE_CODE_VOID, /* Void type (values zero length) */
- TYPE_CODE_SET, /* Pascal sets */
- TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */
- TYPE_CODE_PASCAL_ARRAY, /* Array with explicit type of index */
- TYPE_CODE_ERROR, /* Unknown type */
-
- /* C++ */
- TYPE_CODE_MEMBER, /* Member type */
- TYPE_CODE_METHOD, /* Method type */
- TYPE_CODE_REF, /* C++ Reference types */
-
- /* Modula-2 */
- TYPE_CODE_CHAR, /* *real* character type */
- TYPE_CODE_BOOL /* BOOLEAN type */
-};
+ {
+ TYPE_CODE_UNDEF, /* Not used; catches errors */
+ TYPE_CODE_PTR, /* Pointer type */
+
+ /* 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 */
+
+ /* 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. 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 */
+ TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */
+
+ /* A string type which is like an array of character but prints
+ differently (at least for (the deleted) CHILL). It does not
+ contain a length field as Pascal strings (for many Pascals,
+ anyway) do; if we want to deal with such strings, we should use
+ a new type code. */
+ TYPE_CODE_STRING,
+
+ /* String of bits; like TYPE_CODE_SET but prints differently (at
+ least for (the deleted) CHILL). */
+ TYPE_CODE_BITSTRING,
+
+ /* Unknown type. The length field is valid if we were able to
+ deduce that much about the type, or 0 if we don't even know that. */
+ TYPE_CODE_ERROR,
+
+ /* C++ */
+ 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 */
+
+ /* 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,
+
+ /* Fortran */
+ TYPE_CODE_COMPLEX, /* Complex float */
+
+ TYPE_CODE_TYPEDEF,
+ TYPE_CODE_TEMPLATE, /* C++ template */
+ 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
- alias for TYPE_CODE_STRUCT. Eventually these should probably be
- officially distinct types within gdb. */
+ alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct
+ "class" attribute. Perhaps we should actually have a separate TYPE_CODE
+ so that we can print "class" or "struct" depending on what the debug
+ info said. It's not clear we should bother. */
#define TYPE_CODE_CLASS TYPE_CODE_STRUCT
-/* Some bits for the type's flags word. */
+/* 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. */
-/* Explicitly unsigned integer type */
+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
+};
-#define TYPE_FLAG_UNSIGNED (1 << 0)
+/* 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)
+};
-/* Explicitly signed integer type */
+/* 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_SIGNED (1 << 1)
+#define TYPE_UNSIGNED(t) (TYPE_MAIN_TYPE (t)->flag_unsigned)
-/* This appears in a type's flags word if it is a stub type (eg. if
+/* 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_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_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.
+ Used for arrays and ranges, in which TYPE_LENGTH of the array/range
+ gets set based on the TYPE_LENGTH of the target type.
+ Also, set for TYPE_CODE_TYPEDEF. */
-struct type
-{
+#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.
+ * Note: This may be unnecessary, since static data members
+ * are indicated by other means (bitpos == -1)
+ */
+
+#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_PROTOTYPED(t) (TYPE_MAIN_TYPE (t)->flag_prototyped)
+
+/* This flag is used to indicate that processing for this type
+ is incomplete.
+
+ (Mostly intended for HP platforms, where class methods, for
+ instance, can be encountered before their classes in the debug
+ info; the incomplete type has to be marked so that the class and
+ the method can be assigned correct types.) */
+
+#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)
+
+/* 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
+ others).
+
+ GDB usually defines a flat address space that is a superset of the
+ architecture's two (or more) address spaces, but this is an extension
+ of the architecture's model.
+
+ If TYPE_FLAG_INST is set, an object of the corresponding type
+ resides in instruction memory, even if its address (in the extended
+ flat address space) does not reflect this.
+
+ Similarly, if TYPE_FLAG_DATA is set, then an object of the
+ corresponding type resides in the data memory space, even if
+ this is not indicated by its (flat address space) address.
+
+ If neither flag is set, the default space for functions / methods
+ is instruction space, and for data objects is data memory. */
+
+#define TYPE_CODE_SPACE(t) \
+ (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CODE_SPACE)
+
+#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_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \
+ & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
+#define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \
+ & 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_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 */
+ };
+
+/* 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;
+
+ /* 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.
- Type names specified as input are defined by symbols. */
+ For looking up a name, look for a symbol in the VAR_DOMAIN. */
char *name;
- /* Length in bytes of storage for a value of this type */
+ /* Tag name for this type, or NULL if none. This means that the
+ name of the type consists of a keyword followed by the tag name.
+ Which keyword is determined by the type code ("struct" for
+ TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages
+ with this feature.
- unsigned length;
+ This is used for printing only, except by poorly designed C++ code.
+ 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;
/* 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
@@ -143,42 +413,18 @@ struct type
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;
- /* Type that is a pointer to this type.
- NULL if no such pointer-to type is known yet.
- The debugger may add the address of such a type
- if it has to construct one later. */
-
- struct type *pointer_type;
-
- /* C++: also need a reference 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;
-
- /* 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.
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 or method type, a "field" for each parameter.
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.
@@ -189,65 +435,153 @@ struct type
we know what to put in it. */
struct field
+ {
+ union field_location
{
-
/* Position of this field, counting in bits from start of
- containing structure. For a function type, this is the
- position in the argument list of this argument.
- For a range bound or enum value, this is the value itself.
- 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. */
+ 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;
- /* 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. */
+ /* 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;
+
+ /* The field location can be computed by evaluating the following DWARF
+ block. This can be used in Fortran variable-length arrays, for
+ instance. */
+
+ struct dwarf2_locexpr_baton *dwarf_block;
+ }
+ loc;
- int bitsize;
+ /* 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;
- /* In a struct or enum type, type of this field.
- In a function type, type of this argument.
- In an array type, the domain-type of the array. */
+ /* Discriminant for union field_location. */
+ ENUM_BITFIELD(field_loc_kind) loc_kind : 2;
- struct type *type;
+ /* 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. */
- /* Name of field, value or argument.
- NULL for range bounds and array domains. */
+ unsigned int bitsize : 29;
- char *name;
+ /* 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. */
- } *fields;
+ struct type *type;
- /* For types with virtual functions, VPTR_BASETYPE is the base class which
- defined the virtual function table pointer. VPTR_FIELDNO is
- the field number of that pointer in the structure.
+ /* Name of field, value or argument.
+ NULL for range bounds, array domains, and member function
+ arguments. */
- For types that are pointer to member types, VPTR_BASETYPE
- is the type that this pointer is a member of.
+ char *name;
+
+ } *fields;
+
+ /* 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_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.
Unused otherwise. */
struct type *vptr_basetype;
- int vptr_fieldno;
-
/* Slot to point to additional language-specific fields of this type. */
union type_specific
- {
+ {
+ /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to
+ cplus_struct_default, a default static instance of a struct
+ cplus_struct_type. */
- /* ARG_TYPES is for TYPE_CODE_METHOD and TYPE_CODE_FUNC. */
+ struct cplus_struct_type *cplus_stuff;
- struct type **arg_types;
+ /* 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. */
- /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to
- cplus_struct_default, a default static instance of a struct
- cplus_struct_type. */
+ 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;
+};
+
+/* A ``struct type'' describes a particular instance of a type, with
+ some particular qualification. */
+struct type
+{
+ /* Type that is a pointer to this type.
+ NULL if no such pointer-to type is known yet.
+ The debugger may add the address of such a type
+ if it has to construct one later. */
+
+ struct type *pointer_type;
+
+ /* C++: also need a reference type. */
+
+ struct type *reference_type;
- struct cplus_struct_type *cplus_stuff;
+ /* Variant chain. This points to a type that differs from this one only
+ in qualifiers and length. Currently, the possible qualifiers are
+ const, volatile, code-space, data-space, and address class. The
+ length may differ only when one of the address class flags are set.
+ The variants are linked in a circular ring and share MAIN_TYPE. */
+ struct type *chain;
+
+ /* Flags specific to this instance of the type, indicating where
+ on the ring we are. */
+ int instance_flags;
+
+ /* Length of storage for a value of this type. This is what
+ sizeof(type) would return; use it for address arithmetic,
+ memory reads and writes, etc. This size includes padding. For
+ example, an i386 extended-precision floating point value really
+ only occupies ten bytes, but most ABI's declare its size to be
+ 12 bytes, to preserve alignment. A `struct type' representing
+ such a floating-point type would have a `length' value of 12,
+ even though the last two bytes are unused.
+
+ There's a bit of a host/target mess here, if you're concerned
+ about machines whose bytes aren't eight bits long, or who don't
+ have byte-addressed memory. Various places pass this to memcpy
+ and such, meaning it must be in units of host bytes. Various
+ other places expect they can calculate addresses by adding it
+ and such, meaning it must be in units of target bytes. 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. However, this would still fail to address
+ machines based on a ternary or decimal representation. */
+
+ unsigned length;
- } type_specific;
+ /* Core type, shared by a group of qualified types. */
+ struct main_type *main_type;
};
#define NULL_TYPE ((struct type *) 0)
@@ -256,118 +590,200 @@ struct type
nodes. */
struct cplus_struct_type
-{
- /* Number of base classes this type derives from. */
+ {
+ /* Number of base classes this type derives from. The baseclasses are
+ stored in the first N_BASECLASSES fields (i.e. the `fields' field of
+ the struct type). I think only the `type' field of such a field has
+ any meaning. */
- short n_baseclasses;
+ short n_baseclasses;
- /* Number of methods with unique names. All overloaded methods with
- the same name count only once. */
+ /* Number of methods with unique names. All overloaded methods with
+ the same name count only once. */
- short nfn_fields;
+ short nfn_fields;
- /* Number of methods described for this type plus all the
- methods that it derives from. */
+ /* Number of methods described for this type, not including the
+ methods that it derives from. */
- int nfn_fields_total;
+ short nfn_fields_total;
- /* 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.
- If the base class is virtual, the corresponding bit will be set.
- I.E, given:
+ /* 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...) */
- class A{};
- class B{};
- class C : public B, public virtual A {};
+#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 */
- B is a baseclass of C; A is a virtual baseclass for C.
- This is a C++ 2.0 language feature. */
+ /* 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.
+ If the base class is virtual, the corresponding bit will be set.
+ I.E, given:
- B_TYPE *virtual_field_bits;
+ class A{};
+ class B{};
+ class C : public B, public virtual A {};
- /* For classes with private fields, the number of fields is given by
- nfields and private_field_bits is a bit vector containing one bit
- per field.
- If the field is private, the corresponding bit will be set. */
+ B is a baseclass of C; A is a virtual baseclass for C.
+ This is a C++ 2.0 language feature. */
- B_TYPE *private_field_bits;
+ B_TYPE *virtual_field_bits;
- /* For classes with protected fields, the number of fields is given by
- nfields and protected_field_bits is a bit vector containing one bit
- per field.
- If the field is private, the corresponding bit will be set. */
+ /* For classes with private fields, the number of fields is given by
+ nfields and private_field_bits is a bit vector containing one bit
+ per field.
+ If the field is private, the corresponding bit will be set. */
- B_TYPE *protected_field_bits;
+ B_TYPE *private_field_bits;
- /* For classes, structures, and unions, a description of each field,
- which consists of an overloaded name, followed by the types of
- arguments that the method expects, and then the name after it
- has been renamed to make it distinct.
+ /* For classes with protected fields, the number of fields is given by
+ nfields and protected_field_bits is a bit vector containing one bit
+ per field.
+ If the field is private, the corresponding bit will be set. */
- fn_fieldlists points to an array of nfn_fields of these. */
+ B_TYPE *protected_field_bits;
- struct fn_fieldlist
- {
+ /* for classes with fields to be ignored, either this is optimized out
+ or this field has length 0 */
- /* The overloaded name. */
+ B_TYPE *ignore_field_bits;
- char *name;
+ /* For classes, structures, and unions, a description of each field,
+ which consists of an overloaded name, followed by the types of
+ arguments that the method expects, and then the name after it
+ has been renamed to make it distinct.
- /* The number of methods with this name. */
+ fn_fieldlists points to an array of nfn_fields of these. */
- int length;
+ struct fn_fieldlist
+ {
- /* The list of methods. */
+ /* The overloaded name. */
- struct fn_field
- {
+ char *name;
- /* The name after it has been processed */
+ /* The number of methods with this name. */
- char *physname;
+ int length;
- /* The return value of the method */
+ /* The list of methods. */
- struct type *type;
+ struct fn_field
+ {
- /* The argument list */
+ /* If is_stub is clear, this is the mangled name which we can
+ look up to find the address of the method (FIXME: it would
+ be cleaner to have a pointer to the struct symbol here
+ instead). */
- struct type **args;
+ /* If is_stub is set, this is the portion of the mangled
+ name which specifies the arguments. For example, "ii",
+ if there are two int arguments, or "" if there are no
+ arguments. See gdb_mangle_name for the conversion from this
+ format to the one used if is_stub is clear. */
- /* For virtual functions.
- First baseclass that defines this virtual function. */
+ char *physname;
- struct type *fcontext;
+ /* The function type for the method.
+ (This comment used to say "The return value of the method",
+ but that's wrong. The function type
+ is expected here, i.e. something with TYPE_CODE_FUNC,
+ and *not* the return-value type). */
- /* Attributes. */
+ struct type *type;
- unsigned int is_const : 1;
- unsigned int is_volatile : 1;
- unsigned int is_private : 1;
- unsigned int is_protected : 1;
- unsigned int is_stub : 1;
- unsigned int dummy : 3;
+ /* For virtual functions.
+ First baseclass that defines this virtual function. */
- /* Index into that baseclass's virtual function table,
- minus 2; else if static: VOFFSET_STATIC; else: 0. */
+ struct type *fcontext;
- unsigned int voffset : 24;
+ /* Attributes. */
-# define VOFFSET_STATIC 1
+ unsigned int is_const:1;
+ unsigned int is_volatile:1;
+ unsigned int is_private:1;
+ unsigned int is_protected:1;
+ unsigned int is_public:1;
+ unsigned int is_abstract:1;
+ unsigned int is_static:1;
+ unsigned int is_final:1;
+ unsigned int is_synchronized:1;
+ unsigned int is_native:1;
+ unsigned int is_artificial:1;
- } *fn_fields;
+ /* A stub method only has some fields valid (but they are enough
+ to reconstruct the rest of the fields). */
+ unsigned int is_stub:1;
- } *fn_fieldlists;
+ /* Unused. */
+ unsigned int dummy:4;
-};
+ /* Index into that baseclass's virtual function table,
+ minus 2; else if static: VOFFSET_STATIC; else: 0. */
+
+ unsigned int voffset:16;
+
+#define VOFFSET_STATIC 1
+
+ }
+ *fn_fields;
+
+ }
+ *fn_fieldlists;
+
+ /* If this "struct type" describes a template, then it
+ * has arguments. "template_args" points to an array of
+ * template arg descriptors, of length "ntemplate_args".
+ * The only real information in each of these template arg descriptors
+ * 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;
+ struct type *type;
+ }
+ *template_args;
+
+ /* Pointer to information about enclosing scope, if this is a
+ * local type. If it is not a local type, this is NULL
+ */
+ struct local_type_info
+ {
+ char *file;
+ int line;
+ }
+ *localtype_ptr;
+ };
+
+/* Struct used in computing virtual base list */
+struct vbase
+ {
+ struct type *vbasetype; /* pointer to virtual base */
+ struct vbase *next; /* next in chain */
+ };
+
+/* Struct used for ranking a function for overload resolution */
+struct badness_vector
+ {
+ int length;
+ int *rank;
+ };
/* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
this shared static structure. */
extern const struct cplus_struct_type cplus_struct_default;
-extern void
-allocate_cplus_struct_type PARAMS ((struct type *));
+extern void allocate_cplus_struct_type (struct type *);
#define INIT_CPLUS_SPECIFIC(type) \
(TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
@@ -375,56 +791,118 @@ allocate_cplus_struct_type PARAMS ((struct type *));
#define HAVE_CPLUS_STRUCT(type) \
(TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
-#define TYPE_NAME(thistype) (thistype)->name
-#define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
+#define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
+#define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
+#define TYPE_NAME(thistype) TYPE_MAIN_TYPE(thistype)->name
+#define TYPE_TAG_NAME(type) TYPE_MAIN_TYPE(type)->tag_name
+#define TYPE_TARGET_TYPE(thistype) TYPE_MAIN_TYPE(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_CHAIN(thistype) (thistype)->chain
+/* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
+ But check_typedef does set the TYPE_LENGTH of the TYPEDEF 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) (thistype)->objfile
-#define TYPE_FLAGS(thistype) (thistype)->flags
-#define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
-#define TYPE_CODE(thistype) (thistype)->code
-#define TYPE_NFIELDS(thistype) (thistype)->nfields
-#define TYPE_FIELDS(thistype) (thistype)->fields
+#define TYPE_OBJFILE(thistype) TYPE_MAIN_TYPE(thistype)->objfile
+/* 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_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
+
+#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)
+
+/* Moto-specific stuff for FORTRAN arrays */
+
+#define TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED(arraytype) \
+ (TYPE_FIELD_ARTIFICIAL(TYPE_INDEX_TYPE((arraytype)),1))
+#define TYPE_ARRAY_LOWER_BOUND_IS_UNDEFINED(arraytype) \
+ (TYPE_FIELD_ARTIFICIAL(TYPE_INDEX_TYPE((arraytype)),0))
+
+#define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
+ (TYPE_HIGH_BOUND(TYPE_INDEX_TYPE((arraytype))))
+
+#define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
+ (TYPE_LOW_BOUND(TYPE_INDEX_TYPE((arraytype))))
/* C++ */
-#define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
-#define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
-#define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
+#define TYPE_VPTR_BASETYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
+#define TYPE_DOMAIN_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
+#define TYPE_VPTR_FIELDNO(thistype) TYPE_MAIN_TYPE(thistype)->vptr_fieldno
#define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
#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_TYPE_SPECIFIC(thistype) (thistype)->type_specific
-#define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
-#define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
-#define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
+#define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
+#define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
+#define TYPE_TYPE_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific
+#define TYPE_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff
+#define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat
+#define TYPE_CALLING_CONVENTION(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.calling_convention
+#define TYPE_BASECLASS(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].type
#define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
-#define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
-#define TYPE_BASECLASS_BITPOS(thistype,index) (thistype)->fields[index].bitpos
-#define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index))
-#define BASETYPE_VIA_VIRTUAL(thistype, index) \
- B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index))
+#define TYPE_BASECLASS_NAME(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].name
+#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_FIELD(thistype, n) (thistype)->fields[n]
-#define TYPE_FIELD_TYPE(thistype, n) (thistype)->fields[n].type
-#define TYPE_FIELD_NAME(thistype, n) (thistype)->fields[n].name
-#define TYPE_FIELD_VALUE(thistype, n) (* (int*) &(thistype)->fields[n].type)
-#define TYPE_FIELD_BITPOS(thistype, n) (thistype)->fields[n].bitpos
-#define TYPE_FIELD_BITSIZE(thistype, n) (thistype)->fields[n].bitsize
-#define TYPE_FIELD_PACKED(thistype, n) (thistype)->fields[n].bitsize
+#define BASETYPE_VIA_VIRTUAL(thistype, index) \
+ (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
+ : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
+
+#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 TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->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_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_FIELD_PRIVATE_BITS(thistype) \
TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
#define TYPE_FIELD_PROTECTED_BITS(thistype) \
TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
+#define TYPE_FIELD_IGNORE_BITS(thistype) \
+ TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
#define TYPE_FIELD_VIRTUAL_BITS(thistype) \
TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
#define SET_TYPE_FIELD_PRIVATE(thistype, n) \
B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
#define SET_TYPE_FIELD_PROTECTED(thistype, n) \
B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
+#define SET_TYPE_FIELD_IGNORE(thistype, n) \
+ B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
#define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
#define TYPE_FIELD_PRIVATE(thistype, n) \
@@ -433,11 +911,12 @@ allocate_cplus_struct_type PARAMS ((struct type *));
#define TYPE_FIELD_PROTECTED(thistype, n) \
(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
: B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
+#define TYPE_FIELD_IGNORE(thistype, n) \
+ (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
+ : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
#define TYPE_FIELD_VIRTUAL(thistype, n) \
- B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
-
-#define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitpos == -1)
-#define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) ((char *)(thistype)->fields[n].bitsize)
+ (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
+ : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (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]
@@ -448,190 +927,357 @@ allocate_cplus_struct_type PARAMS ((struct type *));
#define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
#define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
#define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
-#define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
+#define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_FIELDS ((thisfn)[n].type)
#define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
#define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
#define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
#define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
+#define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
+#define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
+#define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
+#define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
+#define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
+#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_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)
-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;
+#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)
-/* This type represents a type that was unrecognized in symbol
- read-in. */
+#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)) && \
+ (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
-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;
-
-/* start-sanitize-chill
-/* Chill types */
-
-extern struct type *builtin_type_chill_bool;
-extern struct type *builtin_type_chill_char;
-extern struct type *builtin_type_chill_long;
-extern struct type *builtin_type_chill_ulong;
-extern struct type *builtin_type_chill_real;
-/* end-sanitize-chill
+struct builtin_type
+{
+ /* Address/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;
+
+ /* The target CPU's address type. This is the ISA address size. */
+ struct type *builtin_core_addr;
+
+
+ /* 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;
+
+
+ /* 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;
+};
-/* LONG_LONG is defined if the host has "long long". */
+/* Return the type table for the specified architecture. */
+extern const struct builtin_type *builtin_type (struct gdbarch *gdbarch);
+
+
+/* Explicit sizes - see C9X for naming scheme. The "int0"
+ is for when an architecture needs to describe a register that has
+ no size. */
+extern struct type *builtin_type_int0;
+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;
+
+/* Explicit floating-point formats. See "floatformat.h". */
+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];
+
+extern struct type *builtin_type_ieee_single;
+extern struct type *builtin_type_ieee_double;
+extern struct type *builtin_type_i387_ext;
+extern struct type *builtin_type_m68881_ext;
+extern struct type *builtin_type_arm_ext;
+extern struct type *builtin_type_ia64_spill;
+extern struct type *builtin_type_ia64_quad;
+
+/* Platform-neutral void type. Never attempt to construct a pointer
+ or reference type to this, because those cannot be platform-neutral.
+ You must use builtin_type (...)->builtin_void in those cases. */
+extern struct type *builtin_type_void;
-#ifdef LONG_LONG
+/* Platform-neutral 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. */
+extern struct type *builtin_type_true_char;
+extern struct type *builtin_type_true_unsigned_char;
-#define BUILTIN_TYPE_LONGEST builtin_type_long_long
-#define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long_long
-#else /* not LONG_LONG. */
+/* This type represents a type that was unrecognized in symbol
+ read-in. */
+extern struct type *builtin_type_error;
-#define BUILTIN_TYPE_LONGEST builtin_type_long
-#define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long
-#endif /* not LONG_LONG. */
+/* RTTI for C++ */
+/* extern struct type *builtin_type_cxx_typeinfo; */
/* Maximum and minimum values of built-in types */
#define MAX_OF_TYPE(t) \
- TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
- : MAX_OF_SIZE(TYPE_LENGTH(t))
+ (TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
+ : MAX_OF_SIZE(TYPE_LENGTH(t)))
#define MIN_OF_TYPE(t) \
- TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
- : MIN_OF_SIZE(TYPE_LENGTH(t))
+ (TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
+ : MIN_OF_SIZE(TYPE_LENGTH(t)))
/* 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) \
+ ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \
: xmalloc (size))
-extern struct type *
-alloc_type PARAMS ((struct objfile *));
+#define TYPE_ZALLOC(t,size) \
+ (TYPE_OBJFILE (t) != NULL \
+ ? memset (obstack_alloc (&TYPE_OBJFILE (t)->objfile_obstack, size), \
+ 0, size) \
+ : xzalloc (size))
+
+extern struct type *alloc_type (struct objfile *);
+
+extern struct type *init_type (enum type_code, int, int, char *,
+ struct objfile *);
+
+/* 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
+ 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 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 init_flag_type(). Flags are then added using
+ append_flag_type_flag(). */
+extern struct type *init_flags_type (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 struct type *make_reference_type (struct type *, struct type **);
-extern struct type *
-init_type PARAMS ((enum type_code, int, int, char *, struct objfile *));
+extern struct type *make_cv_type (int, int, struct type *, struct type **);
-extern struct type *
-lookup_reference_type PARAMS ((struct type *));
+extern void replace_type (struct type *, struct type *);
-extern struct type *
-make_reference_type PARAMS ((struct type *, struct type **));
+extern int address_space_name_to_int (char *);
-extern struct type *
-lookup_member_type PARAMS ((struct type *, struct type *));
+extern const char *address_space_int_to_name (int);
-extern void
-smash_to_method_type PARAMS ((struct type *, struct type *, struct type *,
- struct type **));
+extern struct type *make_type_with_address_space (struct type *type,
+ int space_identifier);
-extern void
-smash_to_member_type PARAMS ((struct type *, struct type *, struct type *));
+extern struct type *lookup_memberptr_type (struct type *, struct type *);
-extern struct type *
-allocate_stub_method PARAMS ((struct type *));
+extern struct type *lookup_methodptr_type (struct type *);
-extern char *
-type_name_no_tag PARAMS ((const 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 struct type *
-lookup_struct_elt_type PARAMS ((struct type *, char *, int));
+extern void smash_to_memberptr_type (struct type *, struct type *,
+ struct type *);
-extern struct type *
-make_pointer_type PARAMS ((struct type *, struct type **));
+extern struct type *allocate_stub_method (struct type *);
-extern struct type *
-lookup_pointer_type PARAMS ((struct type *));
+extern char *type_name_no_tag (const struct type *);
-extern struct type *
-make_function_type PARAMS ((struct type *, struct type **));
+extern struct type *lookup_struct_elt_type (struct type *, char *, int);
-extern struct type *
-lookup_function_type PARAMS ((struct type *));
+extern struct type *make_pointer_type (struct type *, struct type **);
-extern struct type *
-create_array_type PARAMS ((struct type *, int));
+extern struct type *lookup_pointer_type (struct type *);
-extern struct type *
-lookup_unsigned_typename PARAMS ((char *));
+extern struct type *make_function_type (struct type *, struct type **,
+ struct objfile *);
-extern struct type *
-lookup_signed_typename PARAMS ((char *));
+extern struct type *lookup_function_type (struct type *);
-extern void
-check_stub_type PARAMS ((struct type *));
+extern struct type *create_range_type (struct type *, struct type *, int,
+ int);
-extern void
-check_stub_method PARAMS ((struct type *, int, int));
+extern struct type *create_array_type (struct type *, struct type *,
+ struct type *);
-extern struct type *
-lookup_primitive_typename PARAMS ((char *));
+extern struct type *create_string_type (struct type *, struct type *,
+ struct type *);
-extern char *
-gdb_mangle_name PARAMS ((struct type *, int, int));
+extern struct type *create_set_type (struct type *, struct type *);
-extern struct type *
-builtin_type PARAMS ((char **));
+extern struct type *lookup_unsigned_typename (const struct language_defn *,
+ struct gdbarch *,char *);
-extern struct type *
-error_type PARAMS ((char **));
+extern struct type *lookup_signed_typename (const struct language_defn *,
+ struct gdbarch *,char *);
-extern struct type *
-lookup_typename PARAMS ((char *, struct block *, int));
+extern struct type *check_typedef (struct type *);
-extern struct type *
-lookup_template_type PARAMS ((char *, struct type *, struct block *));
+#define CHECK_TYPEDEF(TYPE) \
+ do { \
+ (TYPE) = check_typedef (TYPE); \
+ } while (0)
-extern struct type *
-lookup_fundamental_type PARAMS ((struct objfile *, int));
+extern void check_stub_method_group (struct type *, int);
-extern void
-fill_in_vptr_fieldno PARAMS ((struct type *));
+extern char *gdb_mangle_name (struct type *, int, int);
-#if MAINTENANCE_CMDS
-extern void recursive_dump_type PARAMS ((struct type *, int));
-#endif
+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 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 *);
+
+/* Overload resolution */
+
+#define LENGTH_MATCH(bv) ((bv)->rank[0])
+
+/* Badness if parameter list length doesn't match arg list length */
+#define LENGTH_MISMATCH_BADNESS 100
+/* Dummy badness value for nonexistent parameter positions */
+#define TOO_FEW_PARAMS_BADNESS 100
+/* Badness if no conversion among types */
+#define INCOMPATIBLE_TYPE_BADNESS 100
+
+/* Badness of integral promotion */
+#define INTEGER_PROMOTION_BADNESS 1
+/* Badness of floating promotion */
+#define FLOAT_PROMOTION_BADNESS 1
+/* Badness of integral conversion */
+#define INTEGER_CONVERSION_BADNESS 2
+/* Badness of floating conversion */
+#define FLOAT_CONVERSION_BADNESS 2
+/* Badness of integer<->floating conversions */
+#define INT_FLOAT_CONVERSION_BADNESS 2
+/* Badness of converting to a boolean */
+#define BOOLEAN_CONVERSION_BADNESS 2
+/* Badness of pointer conversion */
+#define POINTER_CONVERSION_BADNESS 2
+/* Badness of conversion of pointer to void pointer */
+#define VOID_PTR_CONVERSION_BADNESS 2
+/* Badness of converting derived to base class */
+#define BASE_CONVERSION_BADNESS 2
+/* Badness of converting from non-reference to reference */
+#define REFERENCE_CONVERSION_BADNESS 2
+
+/* Non-standard conversions allowed by the debugger */
+/* Converting a pointer to an int is usually OK */
+#define NS_POINTER_CONVERSION_BADNESS 10
+
+
+extern int compare_badness (struct badness_vector *, struct badness_vector *);
+
+extern struct badness_vector *rank_function (struct type **, int,
+ struct type **, int);
+
+extern int rank_one_type (struct type *, struct type *);
+
+extern void recursive_dump_type (struct type *, int);
+
+extern int field_is_static (struct field *);
/* printcmd.c */
-extern void
-print_scalar_formatted PARAMS ((char *, struct type *, int, int, 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 int is_integral_type (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);
-#if MAINTENANCE_CMDS
-extern void maintenance_print_type PARAMS ((char *, int));
-#endif
+extern struct type *copy_type (const struct type *type);
-#endif /* GDBTYPES_H */
+#endif /* GDBTYPES_H */