| /* Internal type definitions for GDB. |
| |
| Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
| 2001, 2002, 2003, 2004 Free Software Foundation, Inc. |
| |
| Contributed by Cygnus Support, using pieces from other GDB modules. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #if !defined (GDBTYPES_H) |
| #define GDBTYPES_H 1 |
| |
| /* Forward declarations for prototypes. */ |
| struct field; |
| struct block; |
| |
| /* Codes for `fundamental types'. This is a monstrosity based on the |
| bogus notion that there are certain compiler-independent |
| `fundamental types'. None of these is well-defined (how big is |
| FT_SHORT? Does it depend on the language? How does the |
| language-specific code know which type to correlate to FT_SHORT?) */ |
| |
| #define FT_VOID 0 |
| #define FT_BOOLEAN 1 |
| #define FT_CHAR 2 /* we use this for not-unsigned C/C++ chars */ |
| #define FT_SIGNED_CHAR 3 /* we use this for C++ signed chars */ |
| #define FT_UNSIGNED_CHAR 4 /* we use this for C/C++ unsigned chars */ |
| #define FT_SHORT 5 |
| #define FT_SIGNED_SHORT 6 |
| #define FT_UNSIGNED_SHORT 7 |
| #define FT_INTEGER 8 |
| #define FT_SIGNED_INTEGER 9 |
| #define FT_UNSIGNED_INTEGER 10 |
| #define FT_LONG 11 |
| #define FT_SIGNED_LONG 12 |
| #define FT_UNSIGNED_LONG 13 |
| #define FT_LONG_LONG 14 |
| #define FT_SIGNED_LONG_LONG 15 |
| #define FT_UNSIGNED_LONG_LONG 16 |
| #define FT_FLOAT 17 |
| #define FT_DBL_PREC_FLOAT 18 |
| #define FT_EXT_PREC_FLOAT 19 |
| #define FT_COMPLEX 20 |
| #define FT_DBL_PREC_COMPLEX 21 |
| #define FT_EXT_PREC_COMPLEX 22 |
| #define FT_STRING 23 |
| #define FT_FIXED_DECIMAL 24 |
| #define FT_FLOAT_DECIMAL 25 |
| #define FT_BYTE 26 |
| #define FT_UNSIGNED_BYTE 27 |
| #define FT_TEMPLATE_ARG 28 |
| |
| #define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */ |
| |
| /* Some macros for char-based bitfields. */ |
| |
| #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7))) |
| #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7))) |
| #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7))) |
| #define B_TYPE unsigned char |
| #define B_BYTES(x) ( 1 + ((x)>>3) ) |
| #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x)) |
| |
| /* Different kinds of data types are distinguished by the `code' field. */ |
| |
| enum type_code |
| { |
| TYPE_CODE_UNDEF, /* Not used; catches errors */ |
| TYPE_CODE_PTR, /* Pointer type */ |
| |
| /* Array type with lower & upper bounds. |
| |
| Regardless of the language, GDB represents multidimensional |
| array types the way C does: as arrays of arrays. So an |
| instance of a GDB array type T can always be seen as a series |
| of instances of TYPE_TARGET_TYPE (T) laid out sequentially in |
| memory. |
| |
| Row-major languages like C lay out multi-dimensional arrays so |
| that incrementing the rightmost index in a subscripting |
| expression results in the smallest change in the address of the |
| element referred to. Column-major languages like Fortran lay |
| them out so that incrementing the leftmost index results in the |
| smallest change. |
| |
| This means that, in column-major languages, working our way |
| from type to target type corresponds to working through indices |
| from right to left, not left to right. */ |
| TYPE_CODE_ARRAY, |
| |
| TYPE_CODE_STRUCT, /* C struct or Pascal record */ |
| TYPE_CODE_UNION, /* C union or Pascal variant part */ |
| TYPE_CODE_ENUM, /* Enumeration type */ |
| TYPE_CODE_FUNC, /* Function type */ |
| TYPE_CODE_INT, /* Integer type */ |
| |
| /* Floating type. This is *NOT* a complex type. Beware, there are parts |
| of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */ |
| TYPE_CODE_FLT, |
| |
| /* Void type. The length field specifies the length (probably always |
| one) which is used in pointer arithmetic involving pointers to |
| this type, but actually dereferencing such a pointer is invalid; |
| a void type has no length and no actual representation in memory |
| or registers. A pointer to a void type is a generic pointer. */ |
| TYPE_CODE_VOID, |
| |
| TYPE_CODE_SET, /* Pascal sets */ |
| TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */ |
| |
| /* A string type which is like an array of character but prints |
| differently (at least for (the deleted) CHILL). It does not |
| contain a length field as Pascal strings (for many Pascals, |
| anyway) do; if we want to deal with such strings, we should use |
| a new type code. */ |
| TYPE_CODE_STRING, |
| |
| /* String of bits; like TYPE_CODE_SET but prints differently (at |
| least for (the deleted) CHILL). */ |
| TYPE_CODE_BITSTRING, |
| |
| /* Unknown type. The length field is valid if we were able to |
| deduce that much about the type, or 0 if we don't even know that. */ |
| TYPE_CODE_ERROR, |
| |
| /* C++ */ |
| TYPE_CODE_MEMBER, /* Member type */ |
| TYPE_CODE_METHOD, /* Method type */ |
| TYPE_CODE_REF, /* C++ Reference types */ |
| |
| TYPE_CODE_CHAR, /* *real* character type */ |
| |
| /* Boolean type. 0 is false, 1 is true, and other values are non-boolean |
| (e.g. FORTRAN "logical" used as unsigned int). */ |
| TYPE_CODE_BOOL, |
| |
| /* Fortran */ |
| TYPE_CODE_COMPLEX, /* Complex float */ |
| |
| TYPE_CODE_TYPEDEF, |
| TYPE_CODE_TEMPLATE, /* C++ template */ |
| TYPE_CODE_TEMPLATE_ARG, /* C++ template arg */ |
| |
| TYPE_CODE_NAMESPACE /* C++ namespace. */ |
| }; |
| |
| /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an |
| alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct |
| "class" attribute. Perhaps we should actually have a separate TYPE_CODE |
| so that we can print "class" or "struct" depending on what the debug |
| info said. It's not clear we should bother. */ |
| |
| #define TYPE_CODE_CLASS TYPE_CODE_STRUCT |
| |
| /* Some bits for the type's flags word, and macros to test them. */ |
| |
| /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the |
| type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */ |
| |
| #define TYPE_FLAG_UNSIGNED (1 << 0) |
| #define TYPE_UNSIGNED(t) (TYPE_FLAGS (t) & TYPE_FLAG_UNSIGNED) |
| |
| /* No sign for this type. In C++, "char", "signed char", and "unsigned |
| char" are distinct types; so we need an extra flag to indicate the |
| absence of a sign! */ |
| |
| #define TYPE_FLAG_NOSIGN (1 << 1) |
| #define TYPE_NOSIGN(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOSIGN) |
| |
| /* This appears in a type's flags word if it is a stub type (e.g., if |
| someone referenced a type that wasn't defined in a source file |
| via (struct sir_not_appearing_in_this_film *)). */ |
| |
| #define TYPE_FLAG_STUB (1 << 2) |
| #define TYPE_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB) |
| |
| /* The target type of this type is a stub type, and this type needs to |
| be updated if it gets un-stubbed in check_typedef. |
| Used for arrays and ranges, in which TYPE_LENGTH of the array/range |
| gets set based on the TYPE_LENGTH of the target type. |
| Also, set for TYPE_CODE_TYPEDEF. */ |
| |
| #define TYPE_FLAG_TARGET_STUB (1 << 3) |
| #define TYPE_TARGET_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_TARGET_STUB) |
| |
| /* Static type. If this is set, the corresponding type had |
| * a static modifier. |
| * Note: This may be unnecessary, since static data members |
| * are indicated by other means (bitpos == -1) |
| */ |
| |
| #define TYPE_FLAG_STATIC (1 << 4) |
| #define TYPE_STATIC(t) (TYPE_FLAGS (t) & TYPE_FLAG_STATIC) |
| |
| /* Constant type. If this is set, the corresponding type has a |
| * const modifier. |
| */ |
| |
| #define TYPE_FLAG_CONST (1 << 5) |
| #define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CONST) |
| |
| /* Volatile type. If this is set, the corresponding type has a |
| * volatile modifier. |
| */ |
| |
| #define TYPE_FLAG_VOLATILE (1 << 6) |
| #define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_VOLATILE) |
| |
| |
| /* This is a function type which appears to have a prototype. We need this |
| for function calls in order to tell us if it's necessary to coerce the args, |
| or to just do the standard conversions. This is used with a short field. */ |
| |
| #define TYPE_FLAG_PROTOTYPED (1 << 7) |
| #define TYPE_PROTOTYPED(t) (TYPE_FLAGS (t) & TYPE_FLAG_PROTOTYPED) |
| |
| /* This flag is used to indicate that processing for this type |
| is incomplete. |
| |
| (Mostly intended for HP platforms, where class methods, for |
| instance, can be encountered before their classes in the debug |
| info; the incomplete type has to be marked so that the class and |
| the method can be assigned correct types.) */ |
| |
| #define TYPE_FLAG_INCOMPLETE (1 << 8) |
| #define TYPE_INCOMPLETE(t) (TYPE_FLAGS (t) & TYPE_FLAG_INCOMPLETE) |
| |
| /* Instruction-space delimited type. This is for Harvard architectures |
| which have separate instruction and data address spaces (and perhaps |
| others). |
| |
| GDB usually defines a flat address space that is a superset of the |
| architecture's two (or more) address spaces, but this is an extension |
| of the architecture's model. |
| |
| If TYPE_FLAG_INST is set, an object of the corresponding type |
| resides in instruction memory, even if its address (in the extended |
| flat address space) does not reflect this. |
| |
| Similarly, if TYPE_FLAG_DATA is set, then an object of the |
| corresponding type resides in the data memory space, even if |
| this is not indicated by its (flat address space) address. |
| |
| If neither flag is set, the default space for functions / methods |
| is instruction space, and for data objects is data memory. */ |
| |
| #define TYPE_FLAG_CODE_SPACE (1 << 9) |
| #define TYPE_CODE_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CODE_SPACE) |
| |
| #define TYPE_FLAG_DATA_SPACE (1 << 10) |
| #define TYPE_DATA_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_DATA_SPACE) |
| |
| /* FIXME drow/2002-06-03: Only used for methods, but applies as well |
| to functions. */ |
| |
| #define TYPE_FLAG_VARARGS (1 << 11) |
| #define TYPE_VARARGS(t) (TYPE_FLAGS (t) & TYPE_FLAG_VARARGS) |
| |
| /* Identify a vector type. Gcc is handling this by adding an extra |
| attribute to the array type. We slurp that in as a new flag of a |
| type. This is used only in dwarf2read.c. */ |
| #define TYPE_FLAG_VECTOR (1 << 12) |
| #define TYPE_VECTOR(t) (TYPE_FLAGS (t) & TYPE_FLAG_VECTOR) |
| |
| /* Address class flags. Some environments provide for pointers whose |
| size is different from that of a normal pointer or address types |
| where the bits are interpreted differently than normal addresses. The |
| TYPE_FLAG_ADDRESS_CLASS_n flags may be used in target specific |
| ways to represent these different types of address classes. */ |
| #define TYPE_FLAG_ADDRESS_CLASS_1 (1 << 13) |
| #define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \ |
| & TYPE_FLAG_ADDRESS_CLASS_1) |
| #define TYPE_FLAG_ADDRESS_CLASS_2 (1 << 14) |
| #define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \ |
| & TYPE_FLAG_ADDRESS_CLASS_2) |
| #define TYPE_FLAG_ADDRESS_CLASS_ALL (TYPE_FLAG_ADDRESS_CLASS_1 \ |
| | TYPE_FLAG_ADDRESS_CLASS_2) |
| #define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \ |
| & TYPE_FLAG_ADDRESS_CLASS_ALL) |
| |
| /* The debugging formats (especially STABS) do not contain enough information |
| to represent all Ada types---especially those whose size depends on |
| dynamic quantities. Therefore, the GNAT Ada compiler includes |
| extra information in the form of additional type definitions |
| connected by naming conventions. This flag indicates that the |
| type is an ordinary (unencoded) GDB type that has been created from |
| the necessary run-time information, and does not need further |
| interpretation. Optionally marks ordinary, fixed-size GDB type. */ |
| |
| #define TYPE_FLAG_FIXED_INSTANCE (1 << 15) |
| |
| /* Array bound type. */ |
| enum array_bound_type |
| { |
| BOUND_SIMPLE = 0, |
| BOUND_BY_VALUE_IN_REG, |
| BOUND_BY_REF_IN_REG, |
| BOUND_BY_VALUE_ON_STACK, |
| BOUND_BY_REF_ON_STACK, |
| BOUND_CANNOT_BE_DETERMINED |
| }; |
| |
| /* 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; |
| |
| /* Array bounds. These fields appear at this location because |
| they pack nicely here. */ |
| |
| ENUM_BITFIELD(array_bound_type) upper_bound_type : 4; |
| ENUM_BITFIELD(array_bound_type) lower_bound_type : 4; |
| |
| /* 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. */ |
| |
| 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_FLAG_STUB is set, this is |
| the name to use to look for definitions in other files. */ |
| |
| char *tag_name; |
| |
| /* Every type is now associated with a particular objfile, and the |
| type is allocated on the 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. */ |
| |
| struct objfile *objfile; |
| |
| /* 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. |
| Unused otherwise. */ |
| |
| struct type *target_type; |
| |
| /* Flags about this type. */ |
| |
| int flags; |
| |
| /* Number of fields described for this type */ |
| |
| short nfields; |
| |
| /* Field number of the virtual function table pointer in |
| VPTR_BASETYPE. If -1, we were unable to find the virtual |
| function table pointer in initial symbol reading, and |
| fill_in_vptr_fieldno should be called to find it if possible. |
| |
| Unused if this type does not have virtual functions. */ |
| |
| short vptr_fieldno; |
| |
| /* 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. */ |
| |
| struct field |
| { |
| union field_location |
| { |
| /* Position of this field, counting in bits from start of |
| containing structure. |
| For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB. |
| For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. |
| For a range bound or enum value, this is the value itself. */ |
| |
| int bitpos; |
| |
| /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr |
| is the location (in the target) of the static field. |
| Otherwise, physname is the mangled label of the static field. */ |
| |
| CORE_ADDR physaddr; |
| char *physname; |
| } |
| 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. */ |
| unsigned int artificial : 1; |
| |
| /* This flag is zero for non-static fields, 1 for fields whose location |
| is specified by the label loc.physname, and 2 for fields whose location |
| is specified by loc.physaddr. */ |
| |
| unsigned int static_kind : 2; |
| |
| /* Size of this field, in bits, or zero if not packed. |
| For an unpacked field, the field's type's length |
| says how many bytes the field occupies. */ |
| |
| unsigned int bitsize : 29; |
| |
| /* In a struct or union type, type of this field. |
| In a function or member type, type of this argument. |
| In an array type, the domain-type of the array. */ |
| |
| struct type *type; |
| |
| /* Name of field, value or argument. |
| NULL for range bounds, array domains, and member function |
| arguments. */ |
| |
| char *name; |
| |
| } *fields; |
| |
| /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE |
| is the base class which defined the virtual function table pointer. |
| |
| For types that are pointer to member types (TYPE_CODE_MEMBER), |
| VPTR_BASETYPE is the type that this pointer is a member of. |
| |
| For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate |
| type that contains the method. |
| |
| Unused otherwise. */ |
| |
| struct type *vptr_basetype; |
| |
| /* Slot to point to additional language-specific fields of this type. */ |
| |
| union type_specific |
| { |
| /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to |
| cplus_struct_default, a default static instance of a struct |
| cplus_struct_type. */ |
| |
| struct cplus_struct_type *cplus_stuff; |
| |
| /* FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to the |
| floatformat object that describes the floating-point value |
| that resides within the type. */ |
| |
| const struct floatformat *floatformat; |
| } type_specific; |
| }; |
| |
| /* A ``struct type'' describes a particular instance of a type, with |
| some particular qualification. */ |
| struct type |
| { |
| /* Type that is a pointer to this type. |
| NULL if no such pointer-to type is known yet. |
| The debugger may add the address of such a type |
| if it has to construct one later. */ |
| |
| struct type *pointer_type; |
| |
| /* C++: also need a reference type. */ |
| |
| struct type *reference_type; |
| |
| /* Variant chain. This points to a type that differs from this one only |
| in qualifiers and length. Currently, the possible qualifiers are |
| const, volatile, code-space, data-space, and address class. The |
| length may differ only when one of the address class flags are set. |
| The variants are linked in a circular ring and share MAIN_TYPE. */ |
| struct type *chain; |
| |
| /* Flags specific to this instance of the type, indicating where |
| on the ring we are. */ |
| int instance_flags; |
| |
| /* Length of storage for a value of this type. This is what |
| sizeof(type) would return; use it for address arithmetic, |
| memory reads and writes, etc. This size includes padding. For |
| example, an i386 extended-precision floating point value really |
| only occupies ten bytes, but most ABI's declare its size to be |
| 12 bytes, to preserve alignment. A `struct type' representing |
| such a floating-point type would have a `length' value of 12, |
| even though the last two bytes are unused. |
| |
| There's a bit of a host/target mess here, if you're concerned |
| about machines whose bytes aren't eight bits long, or who don't |
| have byte-addressed memory. Various places pass this to memcpy |
| and such, meaning it must be in units of host bytes. Various |
| other places expect they can calculate addresses by adding it |
| and such, meaning it must be in units of target bytes. For |
| some DSP targets, in which HOST_CHAR_BIT will (presumably) be 8 |
| and TARGET_CHAR_BIT will be (say) 32, this is a problem. |
| |
| One fix would be to make this field in bits (requiring that it |
| always be a multiple of HOST_CHAR_BIT and TARGET_CHAR_BIT) --- |
| the other choice would be to make it consistently in units of |
| HOST_CHAR_BIT. However, this would still fail to address |
| machines based on a ternary or decimal representation. */ |
| |
| unsigned length; |
| |
| /* Core type, shared by a group of qualified types. */ |
| struct main_type *main_type; |
| }; |
| |
| #define NULL_TYPE ((struct type *) 0) |
| |
| /* 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). I think only the `type' field of such a field has |
| any meaning. */ |
| |
| short n_baseclasses; |
| |
| /* Number of methods with unique names. All overloaded methods with |
| the same name count only once. */ |
| |
| short nfn_fields; |
| |
| /* Number of methods described for this type, not including the |
| methods that it derives from. */ |
| |
| short nfn_fields_total; |
| |
| /* The "declared_type" field contains a code saying how the |
| user really declared this type, e.g., "class s", "union s", |
| "struct s". |
| The 3 above things come out from the C++ compiler looking like classes, |
| but we keep track of the real declaration so we can give |
| the correct information on "ptype". (Note: TEMPLATE may not |
| belong in this list...) */ |
| |
| #define DECLARED_TYPE_CLASS 0 |
| #define DECLARED_TYPE_UNION 1 |
| #define DECLARED_TYPE_STRUCT 2 |
| #define DECLARED_TYPE_TEMPLATE 3 |
| short declared_type; /* One of the above codes */ |
| |
| /* 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 |
| { |
| |
| /* The overloaded name. */ |
| |
| char *name; |
| |
| /* The number of methods with this name. */ |
| |
| int length; |
| |
| /* The list of methods. */ |
| |
| 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. */ |
| |
| 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_FUNC, |
| 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; |
| |
| /* C++ method that is inlined */ |
| unsigned int is_inlined: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 |
| |
| } |
| *fn_fields; |
| |
| } |
| *fn_fieldlists; |
| |
| /* If this "struct type" describes a template, then it |
| * has arguments. "template_args" points to an array of |
| * template arg descriptors, of length "ntemplate_args". |
| * The only real information in each of these template arg descriptors |
| * is a name. "type" will typically just point to a "struct type" with |
| * the placeholder TYPE_CODE_TEMPLATE_ARG type. |
| */ |
| short ntemplate_args; |
| struct template_arg |
| { |
| char *name; |
| struct type *type; |
| } |
| *template_args; |
| |
| /* If this "struct type" describes a template, it has a list |
| * of instantiations. "instantiations" is a pointer to an array |
| * of type's, one representing each instantiation. There |
| * are "ninstantiations" elements in this array. |
| */ |
| short ninstantiations; |
| struct type **instantiations; |
| |
| /* The following points to information relevant to the runtime model |
| * of the compiler. |
| * Currently being used only for HP's ANSI C++ compiler. |
| * (This type may have to be changed/enhanced for other compilers.) |
| * |
| * RUNTIME_PTR is NULL if there is no runtime information (currently |
| * this means the type was not compiled by HP aCC). |
| * |
| * Fields in structure pointed to: |
| * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present |
| * |
| * ->PRIMARY_BASE points to the first non-virtual base class that has |
| * a virtual table. |
| * |
| * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that |
| * point to the type information for all virtual bases among this type's |
| * ancestors. |
| */ |
| struct runtime_info |
| { |
| short has_vtable; |
| struct type *primary_base; |
| struct type **virtual_base_list; |
| } |
| *runtime_ptr; |
| |
| /* Pointer to information about enclosing scope, if this is a |
| * local type. If it is not a local type, this is NULL |
| */ |
| struct local_type_info |
| { |
| char *file; |
| int line; |
| } |
| *localtype_ptr; |
| }; |
| |
| /* Struct used in computing virtual base list */ |
| struct vbase |
| { |
| struct type *vbasetype; /* pointer to virtual base */ |
| struct vbase *next; /* next in chain */ |
| }; |
| |
| /* Struct used for ranking a function for overload resolution */ |
| struct badness_vector |
| { |
| int length; |
| int *rank; |
| }; |
| |
| /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the |
| this shared static structure. */ |
| |
| extern const struct cplus_struct_type cplus_struct_default; |
| |
| extern void allocate_cplus_struct_type (struct type *); |
| |
| #define INIT_CPLUS_SPECIFIC(type) \ |
| (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default) |
| #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type) |
| #define HAVE_CPLUS_STRUCT(type) \ |
| (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default) |
| |
| #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_CHAIN(thistype) (thistype)->chain |
| /* Note that if thistype is a TYPEDEF type, you have to call check_typedef. |
| But check_typedef does set the TYPE_LENGTH of the TYPEDEF type, |
| so you only have to call check_typedef once. Since allocate_value |
| calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */ |
| #define TYPE_LENGTH(thistype) (thistype)->length |
| #define TYPE_OBJFILE(thistype) TYPE_MAIN_TYPE(thistype)->objfile |
| #define TYPE_FLAGS(thistype) TYPE_MAIN_TYPE(thistype)->flags |
| /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you want the real |
| type, you need to do TYPE_CODE (check_type (this_type)). */ |
| #define TYPE_CODE(thistype) TYPE_MAIN_TYPE(thistype)->code |
| #define TYPE_NFIELDS(thistype) TYPE_MAIN_TYPE(thistype)->nfields |
| #define TYPE_FIELDS(thistype) TYPE_MAIN_TYPE(thistype)->fields |
| #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args |
| #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations |
| |
| #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0) |
| #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0) |
| #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1) |
| |
| /* Moto-specific stuff for FORTRAN arrays */ |
| |
| #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) \ |
| TYPE_MAIN_TYPE(thistype)->upper_bound_type |
| #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) \ |
| TYPE_MAIN_TYPE(thistype)->lower_bound_type |
| |
| #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \ |
| (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1)) |
| |
| #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \ |
| (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0)) |
| |
| /* C++ */ |
| |
| #define TYPE_VPTR_BASETYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype |
| #define TYPE_DOMAIN_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype |
| #define TYPE_VPTR_FIELDNO(thistype) TYPE_MAIN_TYPE(thistype)->vptr_fieldno |
| #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields |
| #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields |
| #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total |
| #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args |
| #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations |
| #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type |
| #define TYPE_TYPE_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific |
| #define TYPE_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff |
| #define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat |
| #define TYPE_BASECLASS(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].type |
| #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses |
| #define TYPE_BASECLASS_NAME(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].name |
| #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index) |
| #define BASETYPE_VIA_PUBLIC(thistype, index) \ |
| ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index))) |
| |
| #define 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_BITPOS(thisfld) ((thisfld).loc.bitpos) |
| #define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial) |
| #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize) |
| #define FIELD_STATIC_KIND(thisfld) ((thisfld).static_kind) |
| #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname) |
| #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr) |
| #define SET_FIELD_PHYSNAME(thisfld, name) \ |
| ((thisfld).static_kind = 1, FIELD_PHYSNAME(thisfld) = (name)) |
| #define SET_FIELD_PHYSADDR(thisfld, name) \ |
| ((thisfld).static_kind = 2, FIELD_PHYSADDR(thisfld) = (name)) |
| #define TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->fields[n] |
| #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n)) |
| #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n)) |
| #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n)) |
| #define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n)) |
| #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n)) |
| #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0) |
| #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n] |
| #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n] |
| |
| #define TYPE_FIELD_PRIVATE_BITS(thistype) \ |
| TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits |
| #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_FIELD_STATIC(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind != 0) |
| #define TYPE_FIELD_STATIC_KIND(thistype, n) TYPE_MAIN_TYPE (thistype)->fields[n].static_kind |
| #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind == 2) |
| #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n)) |
| #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n)) |
| |
| #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists |
| #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n] |
| #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields |
| #define TYPE_FN_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_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_INLINED(thisfn, n) ((thisfn)[n].is_inlined) |
| #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext) |
| #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2) |
| #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1) |
| #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC) |
| |
| #define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr) |
| #define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable) |
| #define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype)) |
| #define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base) |
| #define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list) |
| |
| #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr) |
| #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file) |
| #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line) |
| |
| #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \ |
| (TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \ |
| (TYPE_NFIELDS (thistype) == 0) && \ |
| (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0))) |
| |
| struct builtin_type |
| { |
| /* Address/pointer types. */ |
| |
| /* `pointer to data' type. Some target platforms use an implicitly |
| {sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */ |
| struct type *builtin_data_ptr; |
| |
| /* `pointer to function (returning void)' type. Harvard |
| architectures mean that ABI function and code pointers are not |
| interconvertible. Similarly, since ANSI, C standards have |
| explicitly said that pointers to functions and pointers to data |
| are not interconvertible --- that is, you can't cast a function |
| pointer to void * and back, and expect to get the same value. |
| However, all function pointer types are interconvertible, so void |
| (*) () can server as a generic function pointer. */ |
| struct type *builtin_func_ptr; |
| |
| /* The target CPU's address type. This is the ISA address size. */ |
| struct type *builtin_core_addr; |
| |
| /* Integral types. */ |
| |
| /* We use this 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; |
| |
| /* Implicit size/sign (based on the the architecture's ABI). */ |
| struct type *builtin_void; |
| struct type *builtin_char; |
| struct type *builtin_short; |
| struct type *builtin_int; |
| struct type *builtin_long; |
| struct type *builtin_signed_char; |
| struct type *builtin_unsigned_char; |
| struct type *builtin_unsigned_short; |
| struct type *builtin_unsigned_int; |
| struct type *builtin_unsigned_long; |
| struct type *builtin_float; |
| struct type *builtin_double; |
| struct type *builtin_long_double; |
| struct type *builtin_complex; |
| struct type *builtin_double_complex; |
| struct type *builtin_string; |
| struct type *builtin_bool; |
| struct type *builtin_long_long; |
| struct type *builtin_unsigned_long_long; |
| }; |
| |
| /* Return the type table for the specified architecture. */ |
| extern const struct builtin_type *builtin_type (struct gdbarch *gdbarch); |
| |
| /* Implicit sizes */ |
| extern struct type *builtin_type_void; |
| extern struct type *builtin_type_char; |
| extern struct type *builtin_type_short; |
| extern struct type *builtin_type_int; |
| extern struct type *builtin_type_long; |
| extern struct type *builtin_type_signed_char; |
| extern struct type *builtin_type_unsigned_char; |
| extern struct type *builtin_type_unsigned_short; |
| extern struct type *builtin_type_unsigned_int; |
| extern struct type *builtin_type_unsigned_long; |
| extern struct type *builtin_type_float; |
| extern struct type *builtin_type_double; |
| extern struct type *builtin_type_long_double; |
| extern struct type *builtin_type_complex; |
| extern struct type *builtin_type_double_complex; |
| extern struct type *builtin_type_string; |
| extern struct type *builtin_type_bool; |
| |
| /* Address/pointer types: */ |
| /* (C) Language `pointer to data' type. Some target platforms use an |
| implicitly {sign,zero} -extended 32 bit C language pointer on a 64 |
| bit ISA. */ |
| extern struct type *builtin_type_void_data_ptr; |
| |
| /* (C) Language `pointer to function returning void' type. Since |
| ANSI, C standards have explicitly said that pointers to functions |
| and pointers to data are not interconvertible --- that is, you |
| can't cast a function pointer to void * and back, and expect to get |
| the same value. However, all function pointer types are |
| interconvertible, so void (*) () can server as a generic function |
| pointer. */ |
| extern struct type *builtin_type_void_func_ptr; |
| |
| /* The target CPU's address type. This is the ISA address size. */ |
| extern struct type *builtin_type_CORE_ADDR; |
| /* The symbol table address type. Some object file formats have a 32 |
| bit address type even though the TARGET has a 64 bit pointer type |
| (cf MIPS). */ |
| extern struct type *builtin_type_bfd_vma; |
| |
| /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0" |
| is for when an architecture needs to describe a register that has |
| no size. */ |
| extern struct type *builtin_type_int0; |
| extern struct type *builtin_type_int8; |
| extern struct type *builtin_type_uint8; |
| extern struct type *builtin_type_int16; |
| extern struct type *builtin_type_uint16; |
| extern struct type *builtin_type_int32; |
| extern struct type *builtin_type_uint32; |
| extern struct type *builtin_type_int64; |
| extern struct type *builtin_type_uint64; |
| extern struct type *builtin_type_int128; |
| extern struct type *builtin_type_uint128; |
| |
| /* SIMD types. We inherit these names from GCC. */ |
| extern struct type *builtin_type_v4sf; |
| extern struct type *builtin_type_v4si; |
| extern struct type *builtin_type_v16qi; |
| extern struct type *builtin_type_v8qi; |
| extern struct type *builtin_type_v8hi; |
| extern struct type *builtin_type_v4hi; |
| extern struct type *builtin_type_v2si; |
| |
| /* Types for 64 bit vectors. */ |
| extern struct type *builtin_type_v2_float; |
| extern struct type *builtin_type_v2_int32; |
| extern struct type *builtin_type_v4_int16; |
| extern struct type *builtin_type_v8_int8; |
| extern struct type *builtin_type_vec64; |
| |
| /* Types for 128 bit vectors. */ |
| extern struct type *builtin_type_v2_double; |
| extern struct type *builtin_type_v4_float; |
| extern struct type *builtin_type_v2_int64; |
| extern struct type *builtin_type_v4_int32; |
| extern struct type *builtin_type_v8_int16; |
| extern struct type *builtin_type_v16_int8; |
| extern struct type *builtin_type_vec128; |
| |
| /* Explicit floating-point formats. See "floatformat.h". */ |
| extern struct type *builtin_type_ieee_single[BFD_ENDIAN_UNKNOWN]; |
| extern struct type *builtin_type_ieee_single_big; |
| extern struct type *builtin_type_ieee_single_little; |
| extern struct type *builtin_type_ieee_double[BFD_ENDIAN_UNKNOWN]; |
| extern struct type *builtin_type_ieee_double_big; |
| extern struct type *builtin_type_ieee_double_little; |
| extern struct type *builtin_type_ieee_double_littlebyte_bigword; |
| extern struct type *builtin_type_i387_ext; |
| extern struct type *builtin_type_m68881_ext; |
| extern struct type *builtin_type_i960_ext; |
| extern struct type *builtin_type_m88110_ext; |
| extern struct type *builtin_type_m88110_harris_ext; |
| extern struct type *builtin_type_arm_ext[BFD_ENDIAN_UNKNOWN]; |
| extern struct type *builtin_type_arm_ext_big; |
| extern struct type *builtin_type_arm_ext_littlebyte_bigword; |
| extern struct type *builtin_type_ia64_spill[BFD_ENDIAN_UNKNOWN]; |
| extern struct type *builtin_type_ia64_spill_big; |
| extern struct type *builtin_type_ia64_spill_little; |
| extern struct type *builtin_type_ia64_quad[BFD_ENDIAN_UNKNOWN]; |
| extern struct type *builtin_type_ia64_quad_big; |
| extern struct type *builtin_type_ia64_quad_little; |
| |
| /* We use this for the '/c' print format, because builtin_type_char is |
| just a one-byte integral type, which languages less laid back than |
| C will print as ... well, a one-byte integral type. */ |
| extern struct type *builtin_type_true_char; |
| |
| /* This type represents a type that was unrecognized in symbol |
| read-in. */ |
| |
| extern struct type *builtin_type_error; |
| |
| extern struct type *builtin_type_long_long; |
| extern struct type *builtin_type_unsigned_long_long; |
| |
| /* Modula-2 types */ |
| |
| extern struct type *builtin_type_m2_char; |
| extern struct type *builtin_type_m2_int; |
| extern struct type *builtin_type_m2_card; |
| extern struct type *builtin_type_m2_real; |
| extern struct type *builtin_type_m2_bool; |
| |
| /* Fortran (F77) types */ |
| |
| extern struct type *builtin_type_f_character; |
| extern struct type *builtin_type_f_integer; |
| extern struct type *builtin_type_f_integer_s2; |
| extern struct type *builtin_type_f_logical; |
| extern struct type *builtin_type_f_logical_s1; |
| extern struct type *builtin_type_f_logical_s2; |
| extern struct type *builtin_type_f_real; |
| extern struct type *builtin_type_f_real_s8; |
| extern struct type *builtin_type_f_real_s16; |
| extern struct type *builtin_type_f_complex_s8; |
| extern struct type *builtin_type_f_complex_s16; |
| extern struct type *builtin_type_f_complex_s32; |
| extern struct type *builtin_type_f_void; |
| |
| /* RTTI for C++ */ |
| /* extern struct type *builtin_type_cxx_typeinfo; */ |
| |
| /* Maximum and minimum values of built-in types */ |
| |
| #define MAX_OF_TYPE(t) \ |
| (TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \ |
| : MAX_OF_SIZE(TYPE_LENGTH(t))) |
| |
| #define MIN_OF_TYPE(t) \ |
| (TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \ |
| : MIN_OF_SIZE(TYPE_LENGTH(t))) |
| |
| /* Allocate space for storing data associated with a particular type. |
| We ensure that the space is allocated using the same mechanism that |
| was used to allocate the space for the type structure itself. I.E. |
| if the type is on an objfile's objfile_obstack, then the space for data |
| associated with that type will also be allocated on the objfile_obstack. |
| If the type is not associated with any particular objfile (such as |
| builtin types), then the data space will be allocated with xmalloc, |
| the same as for the type structure. */ |
| |
| #define TYPE_ALLOC(t,size) \ |
| (TYPE_OBJFILE (t) != NULL \ |
| ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \ |
| : xmalloc (size)) |
| |
| extern struct type *alloc_type (struct objfile *); |
| |
| extern struct type *init_type (enum type_code, int, int, char *, |
| struct objfile *); |
| |
| /* Helper functions to construct a struct or record type. An |
| initially empty type is created using init_composite_type(). |
| Fields are then added using append_struct_type_field(). A union |
| type has its size set to the largest field. A struct type has each |
| field packed against the previous. */ |
| |
| extern struct type *init_composite_type (char *name, enum type_code code); |
| extern void append_composite_type_field (struct type *t, char *name, |
| struct type *field); |
| |
| extern struct type *lookup_reference_type (struct type *); |
| |
| extern struct type *make_reference_type (struct type *, struct type **); |
| |
| extern struct type *make_cv_type (int, int, struct type *, struct type **); |
| |
| extern void replace_type (struct type *, struct type *); |
| |
| extern int address_space_name_to_int (char *); |
| |
| extern const char *address_space_int_to_name (int); |
| |
| extern struct type *make_type_with_address_space (struct type *type, |
| int space_identifier); |
| |
| extern struct type *lookup_member_type (struct type *, struct type *); |
| |
| extern void |
| smash_to_method_type (struct type *type, struct type *domain, |
| struct type *to_type, struct field *args, |
| int nargs, int varargs); |
| |
| extern void smash_to_member_type (struct type *, struct type *, struct type *); |
| |
| extern struct type *allocate_stub_method (struct type *); |
| |
| extern char *type_name_no_tag (const struct type *); |
| |
| extern struct type *lookup_struct_elt_type (struct type *, 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 *create_range_type (struct type *, struct type *, int, |
| int); |
| |
| extern struct type *create_array_type (struct type *, struct type *, |
| struct type *); |
| |
| extern struct type *create_string_type (struct type *, struct type *); |
| |
| extern struct type *create_set_type (struct type *, struct type *); |
| |
| extern struct type *lookup_unsigned_typename (char *); |
| |
| extern struct type *lookup_signed_typename (char *); |
| |
| extern struct type *check_typedef (struct type *); |
| |
| #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE) |
| |
| extern void check_stub_method_group (struct type *, int); |
| |
| extern char *gdb_mangle_name (struct type *, int, int); |
| |
| extern struct type *lookup_typename (char *, struct block *, int); |
| |
| extern struct type *lookup_template_type (char *, struct type *, |
| struct block *); |
| |
| extern struct type *lookup_fundamental_type (struct objfile *, int); |
| |
| extern void fill_in_vptr_fieldno (struct type *); |
| |
| extern int get_destructor_fn_field (struct type *, int *, int *); |
| |
| extern int get_discrete_bounds (struct type *, LONGEST *, LONGEST *); |
| |
| extern int is_ancestor (struct type *, struct type *); |
| |
| extern int has_vtable (struct type *); |
| |
| extern struct type *primary_base_class (struct type *); |
| |
| extern struct type **virtual_base_list (struct type *); |
| |
| extern int virtual_base_list_length (struct type *); |
| extern int virtual_base_list_length_skip_primaries (struct type *); |
| |
| extern int virtual_base_index (struct type *, struct type *); |
| extern int virtual_base_index_skip_primaries (struct type *, struct type *); |
| |
| |
| extern int class_index_in_primary_list (struct type *); |
| |
| extern int count_virtual_fns (struct type *); |
| |
| /* Constants for HP/Taligent ANSI C++ runtime model */ |
| |
| /* Where virtual function entries begin in the |
| * virtual table, in the non-RRBC vtable format. |
| * First 4 are the metavtable pointer, top offset, |
| * typeinfo pointer, and dup base info pointer */ |
| #define HP_ACC_VFUNC_START 4 |
| |
| /* (Negative) Offset where virtual base offset entries begin |
| * in the virtual table. Skips over metavtable pointer and |
| * the self-offset entry. |
| * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets |
| * appear before the address point of the vtable (the slot |
| * pointed to by the object's vtable pointer), i.e. at lower |
| * addresses than the vtable pointer. */ |
| #define HP_ACC_VBASE_START 2 |
| |
| /* (Positive) Offset where the pointer to the typeinfo |
| * object is present in the virtual table */ |
| #define HP_ACC_TYPEINFO_OFFSET 2 |
| |
| /* (Positive) Offset where the ``top offset'' entry of |
| * the virtual table is */ |
| #define HP_ACC_TOP_OFFSET_OFFSET 1 |
| |
| /* Overload resolution */ |
| |
| #define LENGTH_MATCH(bv) ((bv)->rank[0]) |
| |
| /* Badness if parameter list length doesn't match arg list length */ |
| #define LENGTH_MISMATCH_BADNESS 100 |
| /* Dummy badness value for nonexistent parameter positions */ |
| #define TOO_FEW_PARAMS_BADNESS 100 |
| /* Badness if no conversion among types */ |
| #define INCOMPATIBLE_TYPE_BADNESS 100 |
| |
| /* Badness of integral promotion */ |
| #define INTEGER_PROMOTION_BADNESS 1 |
| /* Badness of floating promotion */ |
| #define FLOAT_PROMOTION_BADNESS 1 |
| /* Badness of integral conversion */ |
| #define INTEGER_CONVERSION_BADNESS 2 |
| /* Badness of floating conversion */ |
| #define FLOAT_CONVERSION_BADNESS 2 |
| /* Badness of integer<->floating conversions */ |
| #define INT_FLOAT_CONVERSION_BADNESS 2 |
| /* Badness of converting to a boolean */ |
| #define BOOLEAN_CONVERSION_BADNESS 2 |
| /* Badness of pointer conversion */ |
| #define POINTER_CONVERSION_BADNESS 2 |
| /* Badness of conversion of pointer to void pointer */ |
| #define VOID_PTR_CONVERSION_BADNESS 2 |
| /* Badness of converting derived to base class */ |
| #define BASE_CONVERSION_BADNESS 2 |
| /* Badness of converting from non-reference to reference */ |
| #define REFERENCE_CONVERSION_BADNESS 2 |
| |
| /* Non-standard conversions allowed by the debugger */ |
| /* Converting a pointer to an int is usually OK */ |
| #define NS_POINTER_CONVERSION_BADNESS 10 |
| |
| |
| extern int compare_badness (struct badness_vector *, struct badness_vector *); |
| |
| extern struct badness_vector *rank_function (struct type **, int, |
| struct type **, int); |
| |
| extern int rank_one_type (struct type *, struct type *); |
| |
| extern void recursive_dump_type (struct type *, int); |
| |
| /* printcmd.c */ |
| |
| extern void print_scalar_formatted (const void *, struct type *, int, int, |
| struct ui_file *); |
| |
| extern int can_dereference (struct type *); |
| |
| extern int is_integral_type (struct type *); |
| |
| extern void maintenance_print_type (char *, int); |
| |
| #endif /* GDBTYPES_H */ |