1957 lines
71 KiB
C++
1957 lines
71 KiB
C++
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/* Internal type definitions for GDB.
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Copyright (C) 1992-2017 Free Software Foundation, Inc.
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Contributed by Cygnus Support, using pieces from other GDB modules.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (GDBTYPES_H)
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#define GDBTYPES_H 1
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/* * \page gdbtypes GDB Types
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GDB represents all the different kinds of types in programming
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languages using a common representation defined in gdbtypes.h.
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The main data structure is main_type; it consists of a code (such
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as #TYPE_CODE_ENUM for enumeration types), a number of
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generally-useful fields such as the printable name, and finally a
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field main_type::type_specific that is a union of info specific to
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particular languages or other special cases (such as calling
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convention).
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The available type codes are defined in enum #type_code. The enum
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includes codes both for types that are common across a variety
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of languages, and for types that are language-specific.
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Most accesses to type fields go through macros such as
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#TYPE_CODE(thistype) and #TYPE_FN_FIELD_CONST(thisfn, n). These are
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written such that they can be used as both rvalues and lvalues.
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*/
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#include "hashtab.h"
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#include "common/offset-type.h"
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/* Forward declarations for prototypes. */
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struct field;
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struct block;
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struct value_print_options;
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struct language_defn;
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/* These declarations are DWARF-specific as some of the gdbtypes.h data types
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are already DWARF-specific. */
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/* * Offset relative to the start of its containing CU (compilation
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unit). */
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DEFINE_OFFSET_TYPE (cu_offset, unsigned int);
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/* * Offset relative to the start of its .debug_info or .debug_types
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section. */
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DEFINE_OFFSET_TYPE (sect_offset, unsigned int);
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/* Some macros for char-based bitfields. */
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#define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
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#define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
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#define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
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#define B_TYPE unsigned char
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#define B_BYTES(x) ( 1 + ((x)>>3) )
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#define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
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/* * Different kinds of data types are distinguished by the `code'
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field. */
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enum type_code
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{
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TYPE_CODE_BITSTRING = -1, /**< Deprecated */
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TYPE_CODE_UNDEF = 0, /**< Not used; catches errors */
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TYPE_CODE_PTR, /**< Pointer type */
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/* * Array type with lower & upper bounds.
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Regardless of the language, GDB represents multidimensional
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array types the way C does: as arrays of arrays. So an
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instance of a GDB array type T can always be seen as a series
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of instances of TYPE_TARGET_TYPE (T) laid out sequentially in
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memory.
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Row-major languages like C lay out multi-dimensional arrays so
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that incrementing the rightmost index in a subscripting
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expression results in the smallest change in the address of the
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element referred to. Column-major languages like Fortran lay
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them out so that incrementing the leftmost index results in the
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smallest change.
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This means that, in column-major languages, working our way
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from type to target type corresponds to working through indices
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from right to left, not left to right. */
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TYPE_CODE_ARRAY,
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TYPE_CODE_STRUCT, /**< C struct or Pascal record */
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TYPE_CODE_UNION, /**< C union or Pascal variant part */
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TYPE_CODE_ENUM, /**< Enumeration type */
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TYPE_CODE_FLAGS, /**< Bit flags type */
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TYPE_CODE_FUNC, /**< Function type */
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TYPE_CODE_INT, /**< Integer type */
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/* * Floating type. This is *NOT* a complex type. Beware, there
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are parts of GDB which bogusly assume that TYPE_CODE_FLT can
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mean complex. */
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TYPE_CODE_FLT,
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/* * Void type. The length field specifies the length (probably
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always one) which is used in pointer arithmetic involving
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pointers to this type, but actually dereferencing such a
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pointer is invalid; a void type has no length and no actual
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representation in memory or registers. A pointer to a void
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type is a generic pointer. */
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TYPE_CODE_VOID,
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TYPE_CODE_SET, /**< Pascal sets */
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TYPE_CODE_RANGE, /**< Range (integers within spec'd bounds). */
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/* * A string type which is like an array of character but prints
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differently. It does not contain a length field as Pascal
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strings (for many Pascals, anyway) do; if we want to deal with
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such strings, we should use a new type code. */
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TYPE_CODE_STRING,
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/* * Unknown type. The length field is valid if we were able to
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deduce that much about the type, or 0 if we don't even know
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that. */
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TYPE_CODE_ERROR,
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/* C++ */
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TYPE_CODE_METHOD, /**< Method type */
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/* * Pointer-to-member-function type. This describes how to access a
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particular member function of a class (possibly a virtual
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member function). The representation may vary between different
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C++ ABIs. */
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TYPE_CODE_METHODPTR,
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/* * Pointer-to-member type. This is the offset within a class to
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some particular data member. The only currently supported
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representation uses an unbiased offset, with -1 representing
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NULL; this is used by the Itanium C++ ABI (used by GCC on all
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platforms). */
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TYPE_CODE_MEMBERPTR,
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TYPE_CODE_REF, /**< C++ Reference types */
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TYPE_CODE_RVALUE_REF, /**< C++ rvalue reference types */
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TYPE_CODE_CHAR, /**< *real* character type */
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/* * Boolean type. 0 is false, 1 is true, and other values are
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non-boolean (e.g. FORTRAN "logical" used as unsigned int). */
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TYPE_CODE_BOOL,
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/* Fortran */
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TYPE_CODE_COMPLEX, /**< Complex float */
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TYPE_CODE_TYPEDEF,
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TYPE_CODE_NAMESPACE, /**< C++ namespace. */
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TYPE_CODE_DECFLOAT, /**< Decimal floating point. */
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TYPE_CODE_MODULE, /**< Fortran module. */
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/* * Internal function type. */
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TYPE_CODE_INTERNAL_FUNCTION,
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/* * Methods implemented in extension languages. */
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TYPE_CODE_XMETHOD
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};
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/* * Some bits for the type's instance_flags word. See the macros
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below for documentation on each bit. */
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enum type_instance_flag_value
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{
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TYPE_INSTANCE_FLAG_CONST = (1 << 0),
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TYPE_INSTANCE_FLAG_VOLATILE = (1 << 1),
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TYPE_INSTANCE_FLAG_CODE_SPACE = (1 << 2),
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TYPE_INSTANCE_FLAG_DATA_SPACE = (1 << 3),
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TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1 = (1 << 4),
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TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2 = (1 << 5),
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TYPE_INSTANCE_FLAG_NOTTEXT = (1 << 6),
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TYPE_INSTANCE_FLAG_RESTRICT = (1 << 7),
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TYPE_INSTANCE_FLAG_ATOMIC = (1 << 8)
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};
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/* * Unsigned integer type. If this is not set for a TYPE_CODE_INT,
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the type is signed (unless TYPE_NOSIGN (below) is set). */
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#define TYPE_UNSIGNED(t) (TYPE_MAIN_TYPE (t)->flag_unsigned)
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/* * No sign for this type. In C++, "char", "signed char", and
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"unsigned char" are distinct types; so we need an extra flag to
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indicate the absence of a sign! */
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#define TYPE_NOSIGN(t) (TYPE_MAIN_TYPE (t)->flag_nosign)
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/* * This appears in a type's flags word if it is a stub type (e.g.,
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if someone referenced a type that wasn't defined in a source file
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via (struct sir_not_appearing_in_this_film *)). */
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#define TYPE_STUB(t) (TYPE_MAIN_TYPE (t)->flag_stub)
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/* * The target type of this type is a stub type, and this type needs
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to be updated if it gets un-stubbed in check_typedef. Used for
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arrays and ranges, in which TYPE_LENGTH of the array/range gets set
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based on the TYPE_LENGTH of the target type. Also, set for
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TYPE_CODE_TYPEDEF. */
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#define TYPE_TARGET_STUB(t) (TYPE_MAIN_TYPE (t)->flag_target_stub)
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/* * Static type. If this is set, the corresponding type had
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a static modifier.
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Note: This may be unnecessary, since static data members
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are indicated by other means (bitpos == -1). */
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#define TYPE_STATIC(t) (TYPE_MAIN_TYPE (t)->flag_static)
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/* * This is a function type which appears to have a prototype. We
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need this for function calls in order to tell us if it's necessary
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to coerce the args, or to just do the standard conversions. This
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is used with a short field. */
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#define TYPE_PROTOTYPED(t) (TYPE_MAIN_TYPE (t)->flag_prototyped)
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/* * This flag is used to indicate that processing for this type
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is incomplete.
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(Mostly intended for HP platforms, where class methods, for
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instance, can be encountered before their classes in the debug
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info; the incomplete type has to be marked so that the class and
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the method can be assigned correct types.) */
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#define TYPE_INCOMPLETE(t) (TYPE_MAIN_TYPE (t)->flag_incomplete)
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/* * FIXME drow/2002-06-03: Only used for methods, but applies as well
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to functions. */
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#define TYPE_VARARGS(t) (TYPE_MAIN_TYPE (t)->flag_varargs)
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/* * Identify a vector type. Gcc is handling this by adding an extra
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attribute to the array type. We slurp that in as a new flag of a
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type. This is used only in dwarf2read.c. */
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#define TYPE_VECTOR(t) (TYPE_MAIN_TYPE (t)->flag_vector)
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/* * The debugging formats (especially STABS) do not contain enough
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information to represent all Ada types---especially those whose
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size depends on dynamic quantities. Therefore, the GNAT Ada
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compiler includes extra information in the form of additional type
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definitions connected by naming conventions. This flag indicates
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that the type is an ordinary (unencoded) GDB type that has been
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created from the necessary run-time information, and does not need
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further interpretation. Optionally marks ordinary, fixed-size GDB
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type. */
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#define TYPE_FIXED_INSTANCE(t) (TYPE_MAIN_TYPE (t)->flag_fixed_instance)
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/* * This debug target supports TYPE_STUB(t). In the unsupported case
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we have to rely on NFIELDS to be zero etc., see TYPE_IS_OPAQUE().
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TYPE_STUB(t) with !TYPE_STUB_SUPPORTED(t) may exist if we only
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guessed the TYPE_STUB(t) value (see dwarfread.c). */
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#define TYPE_STUB_SUPPORTED(t) (TYPE_MAIN_TYPE (t)->flag_stub_supported)
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/* * Not textual. By default, GDB treats all single byte integers as
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characters (or elements of strings) unless this flag is set. */
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#define TYPE_NOTTEXT(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_NOTTEXT)
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/* * Used only for TYPE_CODE_FUNC where it specifies the real function
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address is returned by this function call. TYPE_TARGET_TYPE
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determines the final returned function type to be presented to
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user. */
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#define TYPE_GNU_IFUNC(t) (TYPE_MAIN_TYPE (t)->flag_gnu_ifunc)
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/* * Type owner. If TYPE_OBJFILE_OWNED is true, the type is owned by
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the objfile retrieved as TYPE_OBJFILE. Otherweise, the type is
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owned by an architecture; TYPE_OBJFILE is NULL in this case. */
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#define TYPE_OBJFILE_OWNED(t) (TYPE_MAIN_TYPE (t)->flag_objfile_owned)
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#define TYPE_OWNER(t) TYPE_MAIN_TYPE(t)->owner
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#define TYPE_OBJFILE(t) (TYPE_OBJFILE_OWNED(t)? TYPE_OWNER(t).objfile : NULL)
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/* * True if this type was declared using the "class" keyword. This is
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only valid for C++ structure and enum types. If false, a structure
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was declared as a "struct"; if true it was declared "class". For
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enum types, this is true when "enum class" or "enum struct" was
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used to declare the type.. */
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#define TYPE_DECLARED_CLASS(t) (TYPE_MAIN_TYPE (t)->flag_declared_class)
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/* * True if this type is a "flag" enum. A flag enum is one where all
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the values are pairwise disjoint when "and"ed together. This
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affects how enum values are printed. */
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#define TYPE_FLAG_ENUM(t) (TYPE_MAIN_TYPE (t)->flag_flag_enum)
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/* * Constant type. If this is set, the corresponding type has a
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const modifier. */
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#define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CONST)
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/* * Volatile type. If this is set, the corresponding type has a
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volatile modifier. */
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#define TYPE_VOLATILE(t) \
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(TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_VOLATILE)
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/* * Restrict type. If this is set, the corresponding type has a
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restrict modifier. */
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#define TYPE_RESTRICT(t) \
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(TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_RESTRICT)
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/* * Atomic type. If this is set, the corresponding type has an
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_Atomic modifier. */
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#define TYPE_ATOMIC(t) \
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(TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_ATOMIC)
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/* * True if this type represents either an lvalue or lvalue reference type. */
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#define TYPE_IS_REFERENCE(t) \
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(TYPE_CODE (t) == TYPE_CODE_REF || TYPE_CODE (t) == TYPE_CODE_RVALUE_REF)
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/* * Instruction-space delimited type. This is for Harvard architectures
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which have separate instruction and data address spaces (and perhaps
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others).
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GDB usually defines a flat address space that is a superset of the
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architecture's two (or more) address spaces, but this is an extension
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of the architecture's model.
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If TYPE_INSTANCE_FLAG_CODE_SPACE is set, an object of the corresponding type
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resides in instruction memory, even if its address (in the extended
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flat address space) does not reflect this.
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Similarly, if TYPE_INSTANCE_FLAG_DATA_SPACE is set, then an object of the
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corresponding type resides in the data memory space, even if
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this is not indicated by its (flat address space) address.
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If neither flag is set, the default space for functions / methods
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is instruction space, and for data objects is data memory. */
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#define TYPE_CODE_SPACE(t) \
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(TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CODE_SPACE)
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#define TYPE_DATA_SPACE(t) \
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(TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_DATA_SPACE)
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/* * Address class flags. Some environments provide for pointers
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whose size is different from that of a normal pointer or address
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types where the bits are interpreted differently than normal
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addresses. The TYPE_INSTANCE_FLAG_ADDRESS_CLASS_n flags may be used in
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target specific ways to represent these different types of address
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classes. */
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#define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \
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& TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
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#define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \
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& TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2)
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#define TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL \
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(TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1 | TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2)
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#define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
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& TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL)
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enum dynamic_prop_kind
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{
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PROP_UNDEFINED, /* Not defined. */
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PROP_CONST, /* Constant. */
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PROP_ADDR_OFFSET, /* Address offset. */
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PROP_LOCEXPR, /* Location expression. */
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PROP_LOCLIST /* Location list. */
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};
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union dynamic_prop_data
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{
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/* Storage for constant property. */
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LONGEST const_val;
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/* Storage for dynamic property. */
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void *baton;
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};
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/* * Used to store a dynamic property. */
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struct dynamic_prop
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{
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/* Determine which field of the union dynamic_prop.data is used. */
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enum dynamic_prop_kind kind;
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/* Storage for dynamic or static value. */
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union dynamic_prop_data data;
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};
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/* * Define a type's dynamic property node kind. */
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enum dynamic_prop_node_kind
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{
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/* A property providing a type's data location.
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Evaluating this field yields to the location of an object's data. */
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DYN_PROP_DATA_LOCATION,
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/* A property representing DW_AT_allocated. The presence of this attribute
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indicates that the object of the type can be allocated/deallocated. */
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DYN_PROP_ALLOCATED,
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/* A property representing DW_AT_allocated. The presence of this attribute
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indicated that the object of the type can be associated. */
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DYN_PROP_ASSOCIATED,
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};
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/* * List for dynamic type attributes. */
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struct dynamic_prop_list
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{
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/* The kind of dynamic prop in this node. */
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enum dynamic_prop_node_kind prop_kind;
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/* The dynamic property itself. */
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struct dynamic_prop prop;
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/* A pointer to the next dynamic property. */
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struct dynamic_prop_list *next;
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};
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/* * Determine which field of the union main_type.fields[x].loc is
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used. */
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enum field_loc_kind
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{
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FIELD_LOC_KIND_BITPOS, /**< bitpos */
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FIELD_LOC_KIND_ENUMVAL, /**< enumval */
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FIELD_LOC_KIND_PHYSADDR, /**< physaddr */
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FIELD_LOC_KIND_PHYSNAME, /**< physname */
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FIELD_LOC_KIND_DWARF_BLOCK /**< dwarf_block */
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};
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/* * A discriminant to determine which field in the
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main_type.type_specific union is being used, if any.
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For types such as TYPE_CODE_FLT, the use of this
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discriminant is really redundant, as we know from the type code
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which field is going to be used. As such, it would be possible to
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reduce the size of this enum in order to save a bit or two for
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other fields of struct main_type. But, since we still have extra
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room , and for the sake of clarity and consistency, we treat all fields
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of the union the same way. */
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enum type_specific_kind
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{
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TYPE_SPECIFIC_NONE,
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TYPE_SPECIFIC_CPLUS_STUFF,
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TYPE_SPECIFIC_GNAT_STUFF,
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TYPE_SPECIFIC_FLOATFORMAT,
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/* Note: This is used by TYPE_CODE_FUNC and TYPE_CODE_METHOD. */
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TYPE_SPECIFIC_FUNC,
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TYPE_SPECIFIC_SELF_TYPE
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};
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union type_owner
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{
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struct objfile *objfile;
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struct gdbarch *gdbarch;
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};
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union field_location
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{
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/* * Position of this field, counting in bits from start of
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containing structure. For gdbarch_bits_big_endian=1
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targets, it is the bit offset to the MSB. For
|
|
gdbarch_bits_big_endian=0 targets, it is the bit offset to
|
|
the LSB. */
|
|
|
|
LONGEST bitpos;
|
|
|
|
/* * Enum value. */
|
|
LONGEST enumval;
|
|
|
|
/* * 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;
|
|
const char *physname;
|
|
|
|
/* * The field location can be computed by evaluating the
|
|
following DWARF block. Its DATA is allocated on
|
|
objfile_obstack - no CU load is needed to access it. */
|
|
|
|
struct dwarf2_locexpr_baton *dwarf_block;
|
|
};
|
|
|
|
struct field
|
|
{
|
|
union field_location loc;
|
|
|
|
/* * 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;
|
|
|
|
/* * Discriminant for union field_location. */
|
|
|
|
ENUM_BITFIELD(field_loc_kind) loc_kind : 3;
|
|
|
|
/* * 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 : 28;
|
|
|
|
/* * 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;
|
|
|
|
/* * Name of field, value or argument.
|
|
NULL for range bounds, array domains, and member function
|
|
arguments. */
|
|
|
|
const char *name;
|
|
};
|
|
|
|
struct range_bounds
|
|
{
|
|
/* * Low bound of range. */
|
|
|
|
struct dynamic_prop low;
|
|
|
|
/* * High bound of range. */
|
|
|
|
struct dynamic_prop high;
|
|
|
|
/* True if HIGH range bound contains the number of elements in the
|
|
subrange. This affects how the final hight bound is computed. */
|
|
|
|
int flag_upper_bound_is_count : 1;
|
|
|
|
/* True if LOW or/and HIGH are resolved into a static bound from
|
|
a dynamic one. */
|
|
|
|
int flag_bound_evaluated : 1;
|
|
};
|
|
|
|
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. */
|
|
|
|
struct cplus_struct_type *cplus_stuff;
|
|
|
|
/* * 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;
|
|
|
|
/* * For TYPE_CODE_FUNC and TYPE_CODE_METHOD types. */
|
|
|
|
struct func_type *func_stuff;
|
|
|
|
/* * For types that are pointer to member types (TYPE_CODE_METHODPTR,
|
|
TYPE_CODE_MEMBERPTR), SELF_TYPE is the type that this pointer
|
|
is a member of. */
|
|
|
|
struct type *self_type;
|
|
};
|
|
|
|
/* * Main structure representing a type in GDB.
|
|
|
|
This structure is space-critical. Its layout has been tweaked to
|
|
reduce the space used. */
|
|
|
|
struct main_type
|
|
{
|
|
/* * Code for kind of type. */
|
|
|
|
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_gnu_ifunc : 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;
|
|
|
|
/* * True if this is an enum type with disjoint values. This
|
|
affects how the enum is printed. */
|
|
|
|
unsigned int flag_flag_enum : 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;
|
|
|
|
/* * 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_DOMAIN. This is generally allocated in the objfile's
|
|
obstack. However coffread.c uses malloc. */
|
|
|
|
const char *name;
|
|
|
|
/* * 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.
|
|
|
|
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_STUB is set, this is
|
|
the name to use to look for definitions in other files. */
|
|
|
|
const char *tag_name;
|
|
|
|
/* * Every type is now associated with a particular objfile, and the
|
|
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 type of an existing type, such as in
|
|
lookup_pointer_type(). So we can just allocate the new type
|
|
using the same objfile as the existing type, but to do this we
|
|
need a backpointer to the objfile from the existing type. Yes
|
|
this is somewhat ugly, but without major overhaul of the internal
|
|
type system, it can't be avoided for now. */
|
|
|
|
union type_owner owner;
|
|
|
|
/* * For a pointer type, describes the type of object pointed to.
|
|
- 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.
|
|
- For a special record or union type encoding a dynamic-sized type
|
|
in GNAT, a memoized pointer to a corresponding static version of
|
|
the type.
|
|
- Unused otherwise. */
|
|
|
|
struct type *target_type;
|
|
|
|
/* * 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.
|
|
|
|
Using a pointer to a separate array of fields
|
|
allows all types to have the same size, which is useful
|
|
because we can allocate the space for a type before
|
|
we know what to put in it. */
|
|
|
|
union
|
|
{
|
|
struct field *fields;
|
|
|
|
/* * Union member used for range types. */
|
|
|
|
struct range_bounds *bounds;
|
|
|
|
} flds_bnds;
|
|
|
|
/* * Slot to point to additional language-specific fields of this
|
|
type. */
|
|
|
|
union type_specific type_specific;
|
|
|
|
/* * Contains all dynamic type properties. */
|
|
struct dynamic_prop_list *dyn_prop_list;
|
|
};
|
|
|
|
/* * 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;
|
|
|
|
/* * A C++ rvalue reference type added in C++11. */
|
|
|
|
struct type *rvalue_reference_type;
|
|
|
|
/* * 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.
|
|
|
|
For TYPE_CODE_TYPEDEF the flags of the typedef type should be
|
|
binary or-ed with the target type, with a special case for
|
|
address class and space class. For example if this typedef does
|
|
not specify any new qualifiers, TYPE_INSTANCE_FLAGS is 0 and the
|
|
instance flags are completely inherited from the target type. No
|
|
qualifiers can be cleared by the typedef. See also
|
|
check_typedef. */
|
|
int instance_flags;
|
|
|
|
/* * Length of storage for a value of this type. The value is the
|
|
expression in host bytes of what sizeof(type) would return. 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.
|
|
|
|
Since this field is expressed in host bytes, its value is appropriate
|
|
to pass to memcpy and such (it is assumed that GDB itself always runs
|
|
on an 8-bits addressable architecture). However, when using it for
|
|
target address arithmetic (e.g. adding it to a target address), the
|
|
type_length_units function should be used in order to get the length
|
|
expressed in target addressable memory units. */
|
|
|
|
unsigned int length;
|
|
|
|
/* * Core type, shared by a group of qualified types. */
|
|
|
|
struct main_type *main_type;
|
|
};
|
|
|
|
#define NULL_TYPE ((struct type *) 0)
|
|
|
|
struct fn_fieldlist
|
|
{
|
|
|
|
/* * The overloaded name.
|
|
This is generally allocated in the objfile's obstack.
|
|
However stabsread.c sometimes uses malloc. */
|
|
|
|
const char *name;
|
|
|
|
/* * The number of methods with this name. */
|
|
|
|
int length;
|
|
|
|
/* * The list of methods. */
|
|
|
|
struct fn_field *fn_fields;
|
|
};
|
|
|
|
|
|
|
|
struct fn_field
|
|
{
|
|
/* * 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).
|
|
|
|
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. */
|
|
|
|
const char *physname;
|
|
|
|
/* * 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_METHOD, and *not* the return-value type). */
|
|
|
|
struct type *type;
|
|
|
|
/* * For virtual functions. First baseclass that defines this
|
|
virtual function. */
|
|
|
|
struct type *fcontext;
|
|
|
|
/* Attributes. */
|
|
|
|
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;
|
|
|
|
/* * A stub method only has some fields valid (but they are enough
|
|
to reconstruct the rest of the fields). */
|
|
|
|
unsigned int is_stub:1;
|
|
|
|
/* * True if this function is a constructor, false otherwise. */
|
|
|
|
unsigned int is_constructor : 1;
|
|
|
|
/* * Unused. */
|
|
|
|
unsigned int dummy:3;
|
|
|
|
/* * 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
|
|
|
|
};
|
|
|
|
struct typedef_field
|
|
{
|
|
/* * Unqualified name to be prefixed by owning class qualified
|
|
name. */
|
|
|
|
const char *name;
|
|
|
|
/* * Type this typedef named NAME represents. */
|
|
|
|
struct type *type;
|
|
};
|
|
|
|
/* * C++ language-specific information for TYPE_CODE_STRUCT and
|
|
TYPE_CODE_UNION nodes. */
|
|
|
|
struct cplus_struct_type
|
|
{
|
|
/* * 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). The only fields
|
|
of struct field that are used are: type, name, loc.bitpos. */
|
|
|
|
short n_baseclasses;
|
|
|
|
/* * Field number of the virtual function table pointer in VPTR_BASETYPE.
|
|
All access to this field must be through TYPE_VPTR_FIELDNO as one
|
|
thing it does is check whether the field has been initialized.
|
|
Initially TYPE_RAW_CPLUS_SPECIFIC has the value of cplus_struct_default,
|
|
which for portability reasons doesn't initialize this field.
|
|
TYPE_VPTR_FIELDNO returns -1 for this case.
|
|
|
|
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. */
|
|
|
|
short vptr_fieldno;
|
|
|
|
/* * Number of methods with unique names. All overloaded methods
|
|
with the same name count only once. */
|
|
|
|
short nfn_fields;
|
|
|
|
/* * Number of template arguments. */
|
|
|
|
unsigned short n_template_arguments;
|
|
|
|
/* * 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;
|
|
|
|
/* * The base class which defined the virtual function table pointer. */
|
|
|
|
struct type *vptr_basetype;
|
|
|
|
/* * 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:
|
|
|
|
class A{};
|
|
class B{};
|
|
class C : public B, public virtual A {};
|
|
|
|
B is a baseclass of C; A is a virtual baseclass for C.
|
|
This is a C++ 2.0 language feature. */
|
|
|
|
B_TYPE *virtual_field_bits;
|
|
|
|
/* * 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 *private_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. */
|
|
|
|
B_TYPE *protected_field_bits;
|
|
|
|
/* * For classes with fields to be ignored, either this is
|
|
optimized out or this field has length 0. */
|
|
|
|
B_TYPE *ignore_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.
|
|
|
|
fn_fieldlists points to an array of nfn_fields of these. */
|
|
|
|
struct fn_fieldlist *fn_fieldlists;
|
|
|
|
/* * typedefs defined inside this class. typedef_field points to
|
|
an array of typedef_field_count elements. */
|
|
|
|
struct typedef_field *typedef_field;
|
|
|
|
unsigned typedef_field_count;
|
|
|
|
/* * The template arguments. This is an array with
|
|
N_TEMPLATE_ARGUMENTS elements. This is NULL for non-template
|
|
classes. */
|
|
|
|
struct symbol **template_arguments;
|
|
};
|
|
|
|
/* * Struct used to store conversion rankings. */
|
|
|
|
struct rank
|
|
{
|
|
short rank;
|
|
|
|
/* * When two conversions are of the same type and therefore have
|
|
the same rank, subrank is used to differentiate the two.
|
|
|
|
Eg: Two derived-class-pointer to base-class-pointer conversions
|
|
would both have base pointer conversion rank, but the
|
|
conversion with the shorter distance to the ancestor is
|
|
preferable. 'subrank' would be used to reflect that. */
|
|
|
|
short subrank;
|
|
};
|
|
|
|
/* * Struct used for ranking a function for overload resolution. */
|
|
|
|
struct badness_vector
|
|
{
|
|
int length;
|
|
struct rank *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;
|
|
};
|
|
|
|
/* * For TYPE_CODE_FUNC and TYPE_CODE_METHOD types. */
|
|
|
|
struct func_type
|
|
{
|
|
/* * The calling convention for targets supporting multiple ABIs.
|
|
Right now this is only fetched from the Dwarf-2
|
|
DW_AT_calling_convention attribute. The value is one of the
|
|
DW_CC enum dwarf_calling_convention constants. */
|
|
|
|
unsigned calling_convention : 8;
|
|
|
|
/* * Whether this function normally returns to its caller. It is
|
|
set from the DW_AT_noreturn attribute if set on the
|
|
DW_TAG_subprogram. */
|
|
|
|
unsigned int is_noreturn : 1;
|
|
|
|
/* * Only those DW_TAG_call_site's in this function that have
|
|
DW_AT_call_tail_call set are linked in this list. Function
|
|
without its tail call list complete
|
|
(DW_AT_call_all_tail_calls or its superset
|
|
DW_AT_call_all_calls) has TAIL_CALL_LIST NULL, even if some
|
|
DW_TAG_call_site's exist in such function. */
|
|
|
|
struct call_site *tail_call_list;
|
|
|
|
/* * For method types (TYPE_CODE_METHOD), the aggregate type that
|
|
contains the method. */
|
|
|
|
struct type *self_type;
|
|
};
|
|
|
|
/* struct call_site_parameter can be referenced in callees by several ways. */
|
|
|
|
enum call_site_parameter_kind
|
|
{
|
|
/* * Use field call_site_parameter.u.dwarf_reg. */
|
|
CALL_SITE_PARAMETER_DWARF_REG,
|
|
|
|
/* * Use field call_site_parameter.u.fb_offset. */
|
|
CALL_SITE_PARAMETER_FB_OFFSET,
|
|
|
|
/* * Use field call_site_parameter.u.param_offset. */
|
|
CALL_SITE_PARAMETER_PARAM_OFFSET
|
|
};
|
|
|
|
struct call_site_target
|
|
{
|
|
union field_location loc;
|
|
|
|
/* * Discriminant for union field_location. */
|
|
|
|
ENUM_BITFIELD(field_loc_kind) loc_kind : 3;
|
|
};
|
|
|
|
union call_site_parameter_u
|
|
{
|
|
/* * DW_TAG_formal_parameter's DW_AT_location's DW_OP_regX
|
|
as DWARF register number, for register passed
|
|
parameters. */
|
|
|
|
int dwarf_reg;
|
|
|
|
/* * Offset from the callee's frame base, for stack passed
|
|
parameters. This equals offset from the caller's stack
|
|
pointer. */
|
|
|
|
CORE_ADDR fb_offset;
|
|
|
|
/* * Offset relative to the start of this PER_CU to
|
|
DW_TAG_formal_parameter which is referenced by both
|
|
caller and the callee. */
|
|
|
|
cu_offset param_cu_off;
|
|
};
|
|
|
|
struct call_site_parameter
|
|
{
|
|
ENUM_BITFIELD (call_site_parameter_kind) kind : 2;
|
|
|
|
union call_site_parameter_u u;
|
|
|
|
/* * DW_TAG_formal_parameter's DW_AT_call_value. It is never NULL. */
|
|
|
|
const gdb_byte *value;
|
|
size_t value_size;
|
|
|
|
/* * DW_TAG_formal_parameter's DW_AT_call_data_value.
|
|
It may be NULL if not provided by DWARF. */
|
|
|
|
const gdb_byte *data_value;
|
|
size_t data_value_size;
|
|
};
|
|
|
|
/* * A place where a function gets called from, represented by
|
|
DW_TAG_call_site. It can be looked up from symtab->call_site_htab. */
|
|
|
|
struct call_site
|
|
{
|
|
/* * Address of the first instruction after this call. It must be
|
|
the first field as we overload core_addr_hash and core_addr_eq
|
|
for it. */
|
|
|
|
CORE_ADDR pc;
|
|
|
|
/* * List successor with head in FUNC_TYPE.TAIL_CALL_LIST. */
|
|
|
|
struct call_site *tail_call_next;
|
|
|
|
/* * Describe DW_AT_call_target. Missing attribute uses
|
|
FIELD_LOC_KIND_DWARF_BLOCK with FIELD_DWARF_BLOCK == NULL. */
|
|
|
|
struct call_site_target target;
|
|
|
|
/* * Size of the PARAMETER array. */
|
|
|
|
unsigned parameter_count;
|
|
|
|
/* * CU of the function where the call is located. It gets used
|
|
for DWARF blocks execution in the parameter array below. */
|
|
|
|
struct dwarf2_per_cu_data *per_cu;
|
|
|
|
/* * Describe DW_TAG_call_site's DW_TAG_formal_parameter. */
|
|
|
|
struct call_site_parameter parameter[1];
|
|
};
|
|
|
|
/* * The default value of TYPE_CPLUS_SPECIFIC(T) points to this shared
|
|
static structure. */
|
|
|
|
extern const struct cplus_struct_type cplus_struct_default;
|
|
|
|
extern void allocate_cplus_struct_type (struct type *);
|
|
|
|
#define INIT_CPLUS_SPECIFIC(type) \
|
|
(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_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 INIT_FUNC_SPECIFIC(type) \
|
|
(TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_FUNC, \
|
|
TYPE_MAIN_TYPE (type)->type_specific.func_stuff = (struct func_type *) \
|
|
TYPE_ZALLOC (type, \
|
|
sizeof (*TYPE_MAIN_TYPE (type)->type_specific.func_stuff)))
|
|
|
|
#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_RVALUE_REFERENCE_TYPE(thistype) (thistype)->rvalue_reference_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
|
|
/* * 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)->flds_bnds.fields
|
|
|
|
#define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
|
|
#define TYPE_RANGE_DATA(thistype) TYPE_MAIN_TYPE(thistype)->flds_bnds.bounds
|
|
#define TYPE_LOW_BOUND(range_type) \
|
|
TYPE_RANGE_DATA(range_type)->low.data.const_val
|
|
#define TYPE_HIGH_BOUND(range_type) \
|
|
TYPE_RANGE_DATA(range_type)->high.data.const_val
|
|
#define TYPE_LOW_BOUND_UNDEFINED(range_type) \
|
|
(TYPE_RANGE_DATA(range_type)->low.kind == PROP_UNDEFINED)
|
|
#define TYPE_HIGH_BOUND_UNDEFINED(range_type) \
|
|
(TYPE_RANGE_DATA(range_type)->high.kind == PROP_UNDEFINED)
|
|
#define TYPE_HIGH_BOUND_KIND(range_type) \
|
|
TYPE_RANGE_DATA(range_type)->high.kind
|
|
#define TYPE_LOW_BOUND_KIND(range_type) \
|
|
TYPE_RANGE_DATA(range_type)->low.kind
|
|
|
|
/* Property accessors for the type data location. */
|
|
#define TYPE_DATA_LOCATION(thistype) \
|
|
get_dyn_prop (DYN_PROP_DATA_LOCATION, thistype)
|
|
#define TYPE_DATA_LOCATION_BATON(thistype) \
|
|
TYPE_DATA_LOCATION (thistype)->data.baton
|
|
#define TYPE_DATA_LOCATION_ADDR(thistype) \
|
|
TYPE_DATA_LOCATION (thistype)->data.const_val
|
|
#define TYPE_DATA_LOCATION_KIND(thistype) \
|
|
TYPE_DATA_LOCATION (thistype)->kind
|
|
|
|
/* Property accessors for the type allocated/associated. */
|
|
#define TYPE_ALLOCATED_PROP(thistype) \
|
|
get_dyn_prop (DYN_PROP_ALLOCATED, thistype)
|
|
#define TYPE_ASSOCIATED_PROP(thistype) \
|
|
get_dyn_prop (DYN_PROP_ASSOCIATED, thistype)
|
|
|
|
/* Attribute accessors for dynamic properties. */
|
|
#define TYPE_DYN_PROP_LIST(thistype) \
|
|
TYPE_MAIN_TYPE(thistype)->dyn_prop_list
|
|
#define TYPE_DYN_PROP_BATON(dynprop) \
|
|
dynprop->data.baton
|
|
#define TYPE_DYN_PROP_ADDR(dynprop) \
|
|
dynprop->data.const_val
|
|
#define TYPE_DYN_PROP_KIND(dynprop) \
|
|
dynprop->kind
|
|
|
|
|
|
/* Moto-specific stuff for FORTRAN arrays. */
|
|
|
|
#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_HIGH_BOUND(TYPE_INDEX_TYPE((arraytype))))
|
|
|
|
#define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
|
|
(TYPE_LOW_BOUND(TYPE_INDEX_TYPE((arraytype))))
|
|
|
|
/* C++ */
|
|
|
|
#define TYPE_SELF_TYPE(thistype) internal_type_self_type (thistype)
|
|
/* Do not call this, use TYPE_SELF_TYPE. */
|
|
extern struct type *internal_type_self_type (struct type *);
|
|
extern void set_type_self_type (struct type *, struct type *);
|
|
|
|
extern int internal_type_vptr_fieldno (struct type *);
|
|
extern void set_type_vptr_fieldno (struct type *, int);
|
|
extern struct type *internal_type_vptr_basetype (struct type *);
|
|
extern void set_type_vptr_basetype (struct type *, struct type *);
|
|
#define TYPE_VPTR_FIELDNO(thistype) internal_type_vptr_fieldno (thistype)
|
|
#define TYPE_VPTR_BASETYPE(thistype) internal_type_vptr_basetype (thistype)
|
|
|
|
#define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
|
|
#define TYPE_SPECIFIC_FIELD(thistype) \
|
|
TYPE_MAIN_TYPE(thistype)->type_specific_field
|
|
/* 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_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.func_stuff->calling_convention
|
|
#define TYPE_NO_RETURN(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->is_noreturn
|
|
#define TYPE_TAIL_CALL_LIST(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->tail_call_list
|
|
#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_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 \
|
|
: 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_LVAL(thisfld) ((thisfld).loc.bitpos)
|
|
#define FIELD_BITPOS(thisfld) (FIELD_BITPOS_LVAL (thisfld) + 0)
|
|
#define FIELD_ENUMVAL_LVAL(thisfld) ((thisfld).loc.enumval)
|
|
#define FIELD_ENUMVAL(thisfld) (FIELD_ENUMVAL_LVAL (thisfld) + 0)
|
|
#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_LVAL (thisfld) = (bitpos))
|
|
#define SET_FIELD_ENUMVAL(thisfld, enumval) \
|
|
(FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_ENUMVAL, \
|
|
FIELD_ENUMVAL_LVAL (thisfld) = (enumval))
|
|
#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)->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_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_ENUMVAL(thistype, n) FIELD_ENUMVAL (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_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) \
|
|
(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
|
|
: B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
|
|
#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) \
|
|
(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]
|
|
#define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
|
|
#define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
|
|
#define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
|
|
|
|
#define TYPE_N_TEMPLATE_ARGUMENTS(thistype) \
|
|
TYPE_CPLUS_SPECIFIC (thistype)->n_template_arguments
|
|
#define TYPE_TEMPLATE_ARGUMENTS(thistype) \
|
|
TYPE_CPLUS_SPECIFIC (thistype)->template_arguments
|
|
#define TYPE_TEMPLATE_ARGUMENT(thistype, n) \
|
|
TYPE_CPLUS_SPECIFIC (thistype)->template_arguments[n]
|
|
|
|
#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_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_CONSTRUCTOR(thisfn, n) ((thisfn)[n].is_constructor)
|
|
#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_TYPEDEF_FIELD_ARRAY(thistype) \
|
|
TYPE_CPLUS_SPECIFIC (thistype)->typedef_field
|
|
#define TYPE_TYPEDEF_FIELD(thistype, n) \
|
|
TYPE_CPLUS_SPECIFIC (thistype)->typedef_field[n]
|
|
#define TYPE_TYPEDEF_FIELD_NAME(thistype, n) \
|
|
TYPE_TYPEDEF_FIELD (thistype, n).name
|
|
#define TYPE_TYPEDEF_FIELD_TYPE(thistype, n) \
|
|
TYPE_TYPEDEF_FIELD (thistype, n).type
|
|
#define TYPE_TYPEDEF_FIELD_COUNT(thistype) \
|
|
TYPE_CPLUS_SPECIFIC (thistype)->typedef_field_count
|
|
|
|
#define TYPE_IS_OPAQUE(thistype) \
|
|
(((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) \
|
|
|| (TYPE_CODE (thistype) == TYPE_CODE_UNION)) \
|
|
&& (TYPE_NFIELDS (thistype) == 0) \
|
|
&& (!HAVE_CPLUS_STRUCT (thistype) \
|
|
|| TYPE_NFN_FIELDS (thistype) == 0) \
|
|
&& (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
|
|
|
|
/* * A helper macro that returns the name of a type or "unnamed type"
|
|
if the type has no name. */
|
|
|
|
#define TYPE_SAFE_NAME(type) \
|
|
(TYPE_NAME (type) ? TYPE_NAME (type) : _("<unnamed type>"))
|
|
|
|
/* * A helper macro that returns the name of an error type. If the
|
|
type has a name, it is used; otherwise, a default is used. */
|
|
|
|
#define TYPE_ERROR_NAME(type) \
|
|
(TYPE_NAME (type) ? TYPE_NAME (type) : _("<error type>"))
|
|
|
|
struct builtin_type
|
|
{
|
|
/* Integral types. */
|
|
|
|
/* Implicit size/sign (based on 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;
|
|
|
|
/* Wide character types. */
|
|
struct type *builtin_char16;
|
|
struct type *builtin_char32;
|
|
|
|
/* 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;
|
|
|
|
/* * `function returning pointer to function (returning void)' type.
|
|
The final void return type is not significant for it. */
|
|
|
|
struct type *builtin_func_func;
|
|
|
|
/* Special-purpose types. */
|
|
|
|
/* * This type is used to represent a GDB internal function. */
|
|
|
|
struct type *internal_fn;
|
|
|
|
/* * This type is used to represent an xmethod. */
|
|
struct type *xmethod;
|
|
};
|
|
|
|
/* * 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_text_gnu_ifunc_symbol;
|
|
struct type *nodebug_got_plt_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 const struct floatformat *floatformats_ieee_half[BFD_ENDIAN_UNKNOWN];
|
|
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];
|
|
|
|
|
|
/* * 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
|
|
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_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 *);
|
|
|
|
/* * This returns the target type (or NULL) of TYPE, also skipping
|
|
past typedefs. */
|
|
|
|
extern struct type *get_target_type (struct type *type);
|
|
|
|
/* Return the equivalent of TYPE_LENGTH, but in number of target
|
|
addressable memory units of the associated gdbarch instead of bytes. */
|
|
|
|
extern unsigned int type_length_units (struct type *type);
|
|
|
|
/* * Helper function to construct objfile-owned types. */
|
|
|
|
extern struct type *init_type (struct objfile *, enum type_code, int,
|
|
const char *);
|
|
extern struct type *init_integer_type (struct objfile *, int, int,
|
|
const char *);
|
|
extern struct type *init_character_type (struct objfile *, int, int,
|
|
const char *);
|
|
extern struct type *init_boolean_type (struct objfile *, int, int,
|
|
const char *);
|
|
extern struct type *init_float_type (struct objfile *, int, const char *,
|
|
const struct floatformat **);
|
|
extern struct type *init_decfloat_type (struct objfile *, int, const char *);
|
|
extern struct type *init_complex_type (struct objfile *, const char *,
|
|
struct type *);
|
|
extern struct type *init_pointer_type (struct objfile *, int, const char *,
|
|
struct type *);
|
|
|
|
/* Helper functions to construct architecture-owned types. */
|
|
extern struct type *arch_type (struct gdbarch *, enum type_code, int,
|
|
const char *);
|
|
extern struct type *arch_integer_type (struct gdbarch *, int, int,
|
|
const char *);
|
|
extern struct type *arch_character_type (struct gdbarch *, int, int,
|
|
const char *);
|
|
extern struct type *arch_boolean_type (struct gdbarch *, int, int,
|
|
const char *);
|
|
extern struct type *arch_float_type (struct gdbarch *, int, const char *,
|
|
const struct floatformat **);
|
|
extern struct type *arch_decfloat_type (struct gdbarch *, int, const char *);
|
|
extern struct type *arch_complex_type (struct gdbarch *, const char *,
|
|
struct type *);
|
|
extern struct type *arch_pointer_type (struct gdbarch *, int, const char *,
|
|
struct type *);
|
|
|
|
/* Helper functions to construct a struct or record type. An
|
|
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 *arch_composite_type (struct gdbarch *gdbarch,
|
|
const char *name, enum type_code code);
|
|
extern void append_composite_type_field (struct type *t, const char *name,
|
|
struct type *field);
|
|
extern void append_composite_type_field_aligned (struct type *t,
|
|
const char *name,
|
|
struct type *field,
|
|
int alignment);
|
|
struct field *append_composite_type_field_raw (struct type *t, const char *name,
|
|
struct type *field);
|
|
|
|
/* 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_field() and append_flag_type_flag(). */
|
|
extern struct type *arch_flags_type (struct gdbarch *gdbarch,
|
|
const char *name, int length);
|
|
extern void append_flags_type_field (struct type *type,
|
|
int start_bitpos, int nr_bits,
|
|
struct type *field_type, const char *name);
|
|
extern void append_flags_type_flag (struct type *type, int bitpos,
|
|
const 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 *, enum type_code);
|
|
extern struct type *lookup_lvalue_reference_type (struct type *);
|
|
extern struct type *lookup_rvalue_reference_type (struct type *);
|
|
|
|
|
|
extern struct type *make_reference_type (struct type *, struct type **,
|
|
enum type_code);
|
|
|
|
extern struct type *make_cv_type (int, int, struct type *, struct type **);
|
|
|
|
extern struct type *make_restrict_type (struct type *);
|
|
|
|
extern struct type *make_unqualified_type (struct type *);
|
|
|
|
extern struct type *make_atomic_type (struct type *);
|
|
|
|
extern void replace_type (struct type *, struct type *);
|
|
|
|
extern int address_space_name_to_int (struct gdbarch *, char *);
|
|
|
|
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_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 *self_type,
|
|
struct type *to_type, struct field *args,
|
|
int nargs, int varargs);
|
|
|
|
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 const char *type_name_no_tag (const struct type *);
|
|
|
|
extern const char *type_name_no_tag_or_error (struct type *type);
|
|
|
|
extern struct type *lookup_struct_elt_type (struct type *, const char *, int);
|
|
|
|
extern struct type *make_pointer_type (struct type *, struct type **);
|
|
|
|
extern struct type *lookup_pointer_type (struct type *);
|
|
|
|
extern struct type *make_function_type (struct type *, struct type **);
|
|
|
|
extern struct type *lookup_function_type (struct type *);
|
|
|
|
extern struct type *lookup_function_type_with_arguments (struct type *,
|
|
int,
|
|
struct type **);
|
|
|
|
extern struct type *create_static_range_type (struct type *, struct type *,
|
|
LONGEST, LONGEST);
|
|
|
|
|
|
extern struct type *create_array_type_with_stride
|
|
(struct type *, struct type *, struct type *, unsigned int);
|
|
|
|
extern struct type *create_range_type (struct type *, struct type *,
|
|
const struct dynamic_prop *,
|
|
const struct dynamic_prop *);
|
|
|
|
extern struct type *create_array_type (struct type *, struct type *,
|
|
struct type *);
|
|
|
|
extern struct type *lookup_array_range_type (struct type *, LONGEST, LONGEST);
|
|
|
|
extern struct type *create_string_type (struct type *, struct type *,
|
|
struct type *);
|
|
extern struct type *lookup_string_range_type (struct type *, LONGEST, LONGEST);
|
|
|
|
extern struct type *create_set_type (struct type *, struct type *);
|
|
|
|
extern struct type *lookup_unsigned_typename (const struct language_defn *,
|
|
struct gdbarch *, const char *);
|
|
|
|
extern struct type *lookup_signed_typename (const struct language_defn *,
|
|
struct gdbarch *, const char *);
|
|
|
|
extern void get_unsigned_type_max (struct type *, ULONGEST *);
|
|
|
|
extern void get_signed_type_minmax (struct type *, LONGEST *, LONGEST *);
|
|
|
|
/* * Resolve all dynamic values of a type e.g. array bounds to static values.
|
|
ADDR specifies the location of the variable the type is bound to.
|
|
If TYPE has no dynamic properties return TYPE; otherwise a new type with
|
|
static properties is returned. */
|
|
extern struct type *resolve_dynamic_type (struct type *type,
|
|
const gdb_byte *valaddr,
|
|
CORE_ADDR addr);
|
|
|
|
/* * Predicate if the type has dynamic values, which are not resolved yet. */
|
|
extern int is_dynamic_type (struct type *type);
|
|
|
|
/* * Return the dynamic property of the requested KIND from TYPE's
|
|
list of dynamic properties. */
|
|
extern struct dynamic_prop *get_dyn_prop
|
|
(enum dynamic_prop_node_kind kind, const struct type *type);
|
|
|
|
/* * Given a dynamic property PROP of a given KIND, add this dynamic
|
|
property to the given TYPE.
|
|
|
|
This function assumes that TYPE is objfile-owned, and that OBJFILE
|
|
is the TYPE's objfile. */
|
|
extern void add_dyn_prop
|
|
(enum dynamic_prop_node_kind kind, struct dynamic_prop prop,
|
|
struct type *type, struct objfile *objfile);
|
|
|
|
extern void remove_dyn_prop (enum dynamic_prop_node_kind prop_kind,
|
|
struct type *type);
|
|
|
|
extern struct type *check_typedef (struct type *);
|
|
|
|
extern void check_stub_method_group (struct type *, int);
|
|
|
|
extern char *gdb_mangle_name (struct type *, int, int);
|
|
|
|
extern struct type *lookup_typename (const struct language_defn *,
|
|
struct gdbarch *, const char *,
|
|
const struct block *, int);
|
|
|
|
extern struct type *lookup_template_type (char *, struct type *,
|
|
const struct block *);
|
|
|
|
extern int get_vptr_fieldno (struct type *, struct type **);
|
|
|
|
extern int get_discrete_bounds (struct type *, LONGEST *, LONGEST *);
|
|
|
|
extern int get_array_bounds (struct type *type, LONGEST *low_bound,
|
|
LONGEST *high_bound);
|
|
|
|
extern int discrete_position (struct type *type, LONGEST val, LONGEST *pos);
|
|
|
|
extern int class_types_same_p (const struct type *, const struct type *);
|
|
|
|
extern int is_ancestor (struct type *, struct type *);
|
|
|
|
extern int is_public_ancestor (struct type *, struct type *);
|
|
|
|
extern int is_unique_ancestor (struct type *, struct value *);
|
|
|
|
/* Overload resolution */
|
|
|
|
#define LENGTH_MATCH(bv) ((bv)->rank[0])
|
|
|
|
/* * Badness if parameter list length doesn't match arg list length. */
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extern const struct rank LENGTH_MISMATCH_BADNESS;
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/* * Dummy badness value for nonexistent parameter positions. */
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extern const struct rank TOO_FEW_PARAMS_BADNESS;
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/* * Badness if no conversion among types. */
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extern const struct rank INCOMPATIBLE_TYPE_BADNESS;
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/* * Badness of an exact match. */
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extern const struct rank EXACT_MATCH_BADNESS;
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|
|
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/* * Badness of integral promotion. */
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extern const struct rank INTEGER_PROMOTION_BADNESS;
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/* * Badness of floating promotion. */
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extern const struct rank FLOAT_PROMOTION_BADNESS;
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/* * Badness of converting a derived class pointer
|
|
to a base class pointer. */
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extern const struct rank BASE_PTR_CONVERSION_BADNESS;
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/* * Badness of integral conversion. */
|
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extern const struct rank INTEGER_CONVERSION_BADNESS;
|
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/* * Badness of floating conversion. */
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|
extern const struct rank FLOAT_CONVERSION_BADNESS;
|
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/* * Badness of integer<->floating conversions. */
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|
extern const struct rank INT_FLOAT_CONVERSION_BADNESS;
|
|
/* * Badness of conversion of pointer to void pointer. */
|
|
extern const struct rank VOID_PTR_CONVERSION_BADNESS;
|
|
/* * Badness of conversion to boolean. */
|
|
extern const struct rank BOOL_CONVERSION_BADNESS;
|
|
/* * Badness of converting derived to base class. */
|
|
extern const struct rank BASE_CONVERSION_BADNESS;
|
|
/* * Badness of converting from non-reference to reference. */
|
|
extern const struct rank REFERENCE_CONVERSION_BADNESS;
|
|
/* * Badness of converting integer 0 to NULL pointer. */
|
|
extern const struct rank NULL_POINTER_CONVERSION;
|
|
|
|
/* Non-standard conversions allowed by the debugger */
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|
|
|
/* * Converting a pointer to an int is usually OK. */
|
|
extern const struct rank NS_POINTER_CONVERSION_BADNESS;
|
|
|
|
/* * Badness of converting a (non-zero) integer constant
|
|
to a pointer. */
|
|
extern const struct rank NS_INTEGER_POINTER_CONVERSION_BADNESS;
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|
|
|
extern struct rank sum_ranks (struct rank a, struct rank b);
|
|
extern int compare_ranks (struct rank a, struct rank b);
|
|
|
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extern int compare_badness (struct badness_vector *, struct badness_vector *);
|
|
|
|
extern struct badness_vector *rank_function (struct type **, int,
|
|
struct value **, int);
|
|
|
|
extern struct rank rank_one_type (struct type *, struct type *,
|
|
struct value *);
|
|
|
|
extern void recursive_dump_type (struct type *, int);
|
|
|
|
extern int field_is_static (struct field *);
|
|
|
|
/* printcmd.c */
|
|
|
|
extern void print_scalar_formatted (const gdb_byte *, 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 int is_scalar_type (struct type *type);
|
|
|
|
extern int is_scalar_type_recursive (struct type *);
|
|
|
|
extern int class_or_union_p (const 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);
|
|
|
|
extern int types_equal (struct type *, struct type *);
|
|
|
|
extern int types_deeply_equal (struct type *, struct type *);
|
|
|
|
extern int type_not_allocated (const struct type *type);
|
|
|
|
extern int type_not_associated (const struct type *type);
|
|
|
|
#endif /* GDBTYPES_H */
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