/* Internal type definitions for GDB.
- Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
+
+ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+ 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
+
Contributed by Cygnus Support, using pieces from other GDB modules.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 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.
+ 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. */
+ 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., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#if !defined (GDBTYPES_H)
#define GDBTYPES_H 1
+#include "hashtab.h"
+
+/* Forward declarations for prototypes. */
+struct field;
+struct block;
+
/* Codes for `fundamental types'. This is a monstrosity based on the
bogus notion that there are certain compiler-independent
`fundamental types'. None of these is well-defined (how big is
#define FT_VOID 0
#define FT_BOOLEAN 1
-#define FT_CHAR 2
-#define FT_SIGNED_CHAR 3
-#define FT_UNSIGNED_CHAR 4
+#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_FLOAT_DECIMAL 25
#define FT_BYTE 26
#define FT_UNSIGNED_BYTE 27
+#define FT_TEMPLATE_ARG 28
-#define FT_NUM_MEMBERS 28 /* Highest FT_* above, plus one. */
+#define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */
/* Some macros for char-based bitfields. */
/* Different kinds of data types are distinguished by the `code' field. */
enum type_code
-{
- TYPE_CODE_UNDEF, /* Not used; catches errors */
- TYPE_CODE_PTR, /* Pointer type */
- TYPE_CODE_ARRAY, /* Array type with lower & upper bounds. */
- 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 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 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_UNDEF, /* Not used; catches errors */
+ TYPE_CODE_PTR, /* Pointer type */
+
+ /* Array type with lower & upper bounds.
+
+ Regardless of the language, GDB represents multidimensional
+ array types the way C does: as arrays of arrays. So an
+ instance of a GDB array type T can always be seen as a series
+ of instances of TYPE_TARGET_TYPE (T) laid out sequentially in
+ memory.
+
+ Row-major languages like C lay out multi-dimensional arrays so
+ that incrementing the rightmost index in a subscripting
+ expression results in the smallest change in the address of the
+ element referred to. Column-major languages like Fortran lay
+ them out so that incrementing the leftmost index results in the
+ smallest change.
+
+ This means that, in column-major languages, working our way
+ from type to target type corresponds to working through indices
+ from right to left, not left to right. */
+ TYPE_CODE_ARRAY,
+
+ TYPE_CODE_STRUCT, /* C struct or Pascal record */
+ TYPE_CODE_UNION, /* C union or Pascal variant part */
+ TYPE_CODE_ENUM, /* Enumeration type */
+ TYPE_CODE_FLAGS, /* Bit flags type */
+ TYPE_CODE_FUNC, /* Function type */
+ TYPE_CODE_INT, /* Integer type */
+
+ /* Floating type. This is *NOT* a complex type. Beware, there are parts
+ of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */
+ TYPE_CODE_FLT,
+
+ /* Void type. The length field specifies the length (probably always
+ one) which is used in pointer arithmetic involving pointers to
+ this type, but actually dereferencing such a pointer is invalid;
+ a void type has no length and no actual representation in memory
+ or registers. A pointer to a void type is a generic pointer. */
+ TYPE_CODE_VOID,
+
+ TYPE_CODE_SET, /* Pascal sets */
+ TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */
+
+ /* A string type which is like an array of character but prints
+ differently (at least for (the deleted) CHILL). It does not
+ contain a length field as Pascal strings (for many Pascals,
+ anyway) do; if we want to deal with such strings, we should use
+ a new type code. */
+ TYPE_CODE_STRING,
+
+ /* String of bits; like TYPE_CODE_SET but prints differently (at
+ least for (the deleted) CHILL). */
+ TYPE_CODE_BITSTRING,
+
+ /* Unknown type. The length field is valid if we were able to
+ deduce that much about the type, or 0 if we don't even know that. */
+ TYPE_CODE_ERROR,
+
+ /* C++ */
+ TYPE_CODE_METHOD, /* Method type */
+
+ /* Pointer-to-member-function type. This describes how to access a
+ particular member function of a class (possibly a virtual
+ member function). The representation may vary between different
+ C++ ABIs. */
+ TYPE_CODE_METHODPTR,
+
+ /* Pointer-to-member type. This is the offset within a class to some
+ particular data member. The only currently supported representation
+ uses an unbiased offset, with -1 representing NULL; this is used
+ by the Itanium C++ ABI (used by GCC on all platforms). */
+ TYPE_CODE_MEMBERPTR,
+
+ TYPE_CODE_REF, /* C++ Reference types */
+
+ TYPE_CODE_CHAR, /* *real* character type */
+
+ /* Boolean type. 0 is false, 1 is true, and other values are non-boolean
+ (e.g. FORTRAN "logical" used as unsigned int). */
+ TYPE_CODE_BOOL,
+
+ /* Fortran */
+ TYPE_CODE_COMPLEX, /* Complex float */
+
+ TYPE_CODE_TYPEDEF,
+ TYPE_CODE_TEMPLATE, /* C++ template */
+ TYPE_CODE_TEMPLATE_ARG, /* C++ template arg */
+
+ TYPE_CODE_NAMESPACE /* C++ namespace. */
+ };
/* 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
#define TYPE_CODE_CLASS TYPE_CODE_STRUCT
-/* Some bits for the type's flags word. */
+/* 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. */
+ 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.
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_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)
+ */
-struct type
+#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)
+
+/* This debug target supports TYPE_STUB(t). In the unsupported case we have to
+ rely on NFIELDS to be zero etc., see TYPE_IS_OPAQUE ().
+ TYPE_STUB(t) with !TYPE_STUB_SUPPORTED(t) may exist if we only guessed
+ the TYPE_STUB(t) value (see dwarfread.c). */
+
+#define TYPE_FLAG_STUB_SUPPORTED (1 << 16)
+#define TYPE_STUB_SUPPORTED(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB_SUPPORTED)
+
+/* 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 type_code code;
+ 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_NAMESPACE. */
+ For looking up a name, look for a symbol in the VAR_DOMAIN. */
char *name;
with this feature.
This is used for printing only, except by poorly designed C++ code.
- For looking up a name, look for a symbol in the STRUCT_NAMESPACE.
+ For looking up a name, look for a symbol in the STRUCT_DOMAIN.
One more legitimate use is that if TYPE_FLAG_STUB is set, this is
the name to use to look for definitions in other files. */
char *tag_name;
- /* Length of storage for a value of this type. Various places pass
- this to memcpy and such, meaning it must be in units of
- HOST_CHAR_BIT. Various other places expect they can calculate
- addresses by adding it and such, meaning it must be in units of
- TARGET_CHAR_BIT. For some DSP targets, in which HOST_CHAR_BIT
- will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32, this
- is a problem. One fix would be to make this field in bits
- (requiring that it always be a multiple of HOST_CHAR_BIT and
- TARGET_CHAR_BIT)--the other choice would be to make it
- consistently in units of HOST_CHAR_BIT. */
-
- unsigned length;
-
- /* FIXME, these should probably be restricted to a Fortran-specific
- field in some fashion. */
-#define BOUND_CANNOT_BE_DETERMINED 5
-#define BOUND_BY_REF_ON_STACK 4
-#define BOUND_BY_VALUE_ON_STACK 3
-#define BOUND_BY_REF_IN_REG 2
-#define BOUND_BY_VALUE_IN_REG 1
-#define BOUND_SIMPLE 0
- int upper_bound_type;
- int lower_bound_type;
-
/* Every type is now associated with a particular objfile, and the
- type is allocated on the type_obstack for that objfile. One problem
+ 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
struct type *target_type;
- /* Type that is a pointer to this type.
- NULL if no such pointer-to type is known yet.
- The debugger may add the address of such a type
- if it has to construct one later. */
-
- struct type *pointer_type;
-
- /* C++: also need a reference type. */
-
- struct type *reference_type;
-
/* Flags about this type. */
- short flags;
+ 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 type, a "field" for each parameter type.
+ 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.
we know what to put in it. */
struct field
+ {
+ union field_location
{
-
/* Position of this field, counting in bits from start of
- containing structure. For a function type, this is the
- position in the argument list of this argument.
- For a range bound or enum value, this is the value itself.
- (FIXME: What about ranges larger than host int size?)
+ 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 BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB.
+ For a range bound or enum value, this is the value itself. */
int bitpos;
- /* Size of this field, in bits, or zero if not packed.
- For an unpacked field, the field's type's length
- says how many bytes the field occupies. */
- /* FIXME: This is abused by TYPE_FIELD_STATIC_PHYSNAME to contain
- a pointer, so it has to be long. */
+ /* 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. */
- long bitsize;
+ CORE_ADDR physaddr;
+ char *physname;
+ }
+ loc;
- /* In a struct or enum type, type of this field.
- In a function type, type of this argument.
- In an array type, the domain-type of the array. */
+ /* For a function or member type, this is 1 if the argument is marked
+ artificial. Artificial arguments should not be shown to the
+ user. */
+ unsigned int artificial : 1;
- struct type *type;
+ /* 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. */
- /* Name of field, value or argument.
- NULL for range bounds and array domains. */
+ unsigned int static_kind : 2;
- char *name;
+ /* 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. */
- } *fields;
+ unsigned int bitsize : 29;
- /* For types with virtual functions, VPTR_BASETYPE is the base class which
- defined the virtual function table pointer.
+ /* 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. */
- For types that are pointer to member types, VPTR_BASETYPE
- is the type that this pointer is a member of.
+ struct type *type;
- Unused otherwise. */
+ /* Name of field, value or argument.
+ NULL for range bounds, array domains, and member function
+ arguments. */
- struct type *vptr_basetype;
+ char *name;
- /* 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. */
+ } *fields;
- int vptr_fieldno;
+ /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
+ is the base class which defined the virtual function table pointer.
- /* Slot to point to additional language-specific fields of this type. */
+ For types that are pointer to member types (TYPE_CODE_METHODPTR,
+ TYPE_CODE_MEMBERPTR), VPTR_BASETYPE is the type that this pointer
+ is a member of.
- union type_specific
- {
+ For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
+ type that contains the method.
- /* ARG_TYPES is for TYPE_CODE_METHOD and TYPE_CODE_FUNC. */
+ Unused otherwise. */
- struct type **arg_types;
+ struct type *vptr_basetype;
- /* 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. */
+ /* Slot to point to additional language-specific fields of this type. */
- struct cplus_struct_type *cplus_stuff;
+ 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. */
- } type_specific;
-};
+ struct cplus_struct_type *cplus_stuff;
-#define NULL_TYPE ((struct type *) 0)
+ /* 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. */
-/* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
- nodes. */
+ const struct floatformat **floatformat;
+ } type_specific;
+};
-struct cplus_struct_type
+/* A ``struct type'' describes a particular instance of a type, with
+ some particular qualification. */
+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. */
-
- int nfn_fields_total;
-
- /* For derived classes, the number of base classes is given by n_baseclasses
- and virtual_field_bits is a bit vector containing one bit per base class.
- If the base class is virtual, the corresponding bit will be set.
- I.E, given:
-
- 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;
+ /* 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. */
- /* 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. */
+ struct type *pointer_type;
- B_TYPE *private_field_bits;
+ /* C++: also need a reference type. */
- /* 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. */
+ struct type *reference_type;
- B_TYPE *protected_field_bits;
+ /* 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;
- /* for classes with fields to be ignored, either this is optimized out
- or this field has length 0 */
+ /* Core type, shared by a group of qualified types. */
+ struct main_type *main_type;
+};
- B_TYPE *ignore_field_bits;
+#define NULL_TYPE ((struct type *) 0)
- /* 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.
+/* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
+ nodes. */
- fn_fieldlists points to an array of nfn_fields of these. */
+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. */
- struct fn_fieldlist
- {
+ short n_baseclasses;
- /* The overloaded name. */
+ /* Number of methods with unique names. All overloaded methods with
+ the same name count only once. */
- char *name;
+ short nfn_fields;
- /* The number of methods with this name. */
+ /* Number of methods described for this type, not including the
+ methods that it derives from. */
- int length;
+ short nfn_fields_total;
- /* The list of methods. */
+ /* 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...) */
- struct fn_field
- {
+#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 */
- /* 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). */
+ /* 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:
- /* 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. */
+ class A{};
+ class B{};
+ class C : public B, public virtual A {};
- char *physname;
+ B is a baseclass of C; A is a virtual baseclass for C.
+ This is a C++ 2.0 language feature. */
- /* The return value of the method */
+ B_TYPE *virtual_field_bits;
- struct type *type;
+ /* 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. */
- /* The argument list. Only valid if is_stub is clear. Contains
- the type of each argument, including `this', and ending with
- a NULL pointer after the last argument. Should not contain
- a `this' pointer for static member functions. */
+ B_TYPE *private_field_bits;
- struct type **args;
+ /* For classes with protected fields, the number of fields is given by
+ nfields and protected_field_bits is a bit vector containing one bit
+ per field.
+ If the field is private, the corresponding bit will be set. */
- /* For virtual functions.
- First baseclass that defines this virtual function. */
+ B_TYPE *protected_field_bits;
- struct type *fcontext;
+ /* for classes with fields to be ignored, either this is optimized out
+ or this field has length 0 */
- /* Attributes. */
+ B_TYPE *ignore_field_bits;
- unsigned int is_const : 1;
- unsigned int is_volatile : 1;
- unsigned int is_private : 1;
- unsigned int is_protected : 1;
+ /* 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.
- /* A stub method only has some fields valid (but they are enough
- to reconstruct the rest of the fields). */
- unsigned int is_stub : 1;
+ fn_fieldlists points to an array of nfn_fields of these. */
- /* Unused. */
- unsigned int dummy : 3;
+ struct fn_fieldlist
+ {
- /* Index into that baseclass's virtual function table,
- minus 2; else if static: VOFFSET_STATIC; else: 0. */
+ /* The overloaded name. */
- unsigned int voffset : 24;
+ char *name;
-# define VOFFSET_STATIC 1
+ /* The number of methods with this name. */
- } *fn_fields;
+ int length;
- } *fn_fieldlists;
+ /* 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 PARAMS ((struct type *));
+extern void allocate_cplus_struct_type (struct type *);
#define INIT_CPLUS_SPECIFIC(type) \
(TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
#define HAVE_CPLUS_STRUCT(type) \
(TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
-#define TYPE_NAME(thistype) (thistype)->name
-#define TYPE_TAG_NAME(type) ((type)->tag_name)
-#define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
+#define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
+#define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
+#define TYPE_NAME(thistype) TYPE_MAIN_TYPE(thistype)->name
+#define TYPE_TAG_NAME(type) TYPE_MAIN_TYPE(type)->tag_name
+#define TYPE_TARGET_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->target_type
#define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
#define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
+#define TYPE_CHAIN(thistype) (thistype)->chain
/* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
so you only have to call check_typedef once. Since allocate_value
calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
#define TYPE_LENGTH(thistype) (thistype)->length
-#define TYPE_OBJFILE(thistype) (thistype)->objfile
-#define TYPE_FLAGS(thistype) (thistype)->flags
-#define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
-/* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you wan the real
+#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) (thistype)->code
-#define TYPE_NFIELDS(thistype) (thistype)->nfields
-#define TYPE_FIELDS(thistype) (thistype)->fields
+#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)
/* Moto-specific stuff for FORTRAN arrays */
-#define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type
-#define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type
+#define TYPE_ARRAY_UPPER_BOUND_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))
/* C++ */
-#define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
-#define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
-#define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
+#define TYPE_VPTR_BASETYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
+#define TYPE_DOMAIN_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
+#define TYPE_VPTR_FIELDNO(thistype) TYPE_MAIN_TYPE(thistype)->vptr_fieldno
#define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
#define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
#define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
-#define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific
-#define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
-#define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
-#define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
+#define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
+#define TYPE_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) (thistype)->fields[index].name
-#define TYPE_BASECLASS_BITPOS(thistype,index) (thistype)->fields[index].bitpos
-#define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index))
-#define BASETYPE_VIA_VIRTUAL(thistype, index) \
- B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index))
+#define TYPE_BASECLASS_NAME(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].name
+#define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
+#define BASETYPE_VIA_PUBLIC(thistype, index) \
+ ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
-#define TYPE_FIELD(thistype, n) (thistype)->fields[n]
-#define TYPE_FIELD_TYPE(thistype, n) (thistype)->fields[n].type
-#define TYPE_FIELD_NAME(thistype, n) (thistype)->fields[n].name
-#define TYPE_FIELD_VALUE(thistype, n) (* (int*) &(thistype)->fields[n].type)
-#define TYPE_FIELD_BITPOS(thistype, n) (thistype)->fields[n].bitpos
-#define TYPE_FIELD_BITSIZE(thistype, n) (thistype)->fields[n].bitsize
-#define TYPE_FIELD_PACKED(thistype, n) (thistype)->fields[n].bitsize
+#define BASETYPE_VIA_VIRTUAL(thistype, index) \
+ (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
+ : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
+
+#define FIELD_TYPE(thisfld) ((thisfld).type)
+#define FIELD_NAME(thisfld) ((thisfld).name)
+#define FIELD_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
(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
: B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
#define TYPE_FIELD_VIRTUAL(thistype, n) \
- B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
+ (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) ((thistype)->fields[n].bitpos == -1)
-#define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) ((char *)(thistype)->fields[n].bitsize)
+#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_FIELD(thisfn, n) (thisfn)[n]
#define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
#define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
-#define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
+#define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_FIELDS ((thisfn)[n].type)
#define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
#define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
#define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
#define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
+#define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
+#define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
+#define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
+#define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
+#define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
+#define TYPE_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial)
+#define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
#define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
+#define TYPE_FN_FIELD_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)) && \
+ (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
+
+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_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;
+
+/* Explicit floating-point formats. See "floatformat.h". */
+extern const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_i387_ext[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_m68881_ext[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_arm_ext[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ia64_spill[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_ia64_quad[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_vax_f[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformats_vax_d[BFD_ENDIAN_UNKNOWN];
+
+extern struct type *builtin_type_ieee_single;
+extern struct type *builtin_type_ieee_double;
+extern struct type *builtin_type_i387_ext;
+extern struct type *builtin_type_m68881_ext;
+extern struct type *builtin_type_arm_ext;
+extern struct type *builtin_type_ia64_spill;
+extern struct type *builtin_type_ia64_quad;
+
+/* 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_m2_real;
extern struct type *builtin_type_m2_bool;
-/* Chill types */
-
-extern struct type *builtin_type_chill_bool;
-extern struct type *builtin_type_chill_char;
-extern struct type *builtin_type_chill_long;
-extern struct type *builtin_type_chill_ulong;
-extern struct type *builtin_type_chill_real;
-
/* 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_integer;
-extern struct type *builtin_type_f_integer_s2;
extern struct type *builtin_type_f_real;
extern struct type *builtin_type_f_real_s8;
extern struct type *builtin_type_f_real_s16;
extern struct type *builtin_type_f_complex_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))
+ (TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
+ : MAX_OF_SIZE(TYPE_LENGTH(t)))
#define MIN_OF_TYPE(t) \
- TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
- : MIN_OF_SIZE(TYPE_LENGTH(t))
+ (TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
+ : MIN_OF_SIZE(TYPE_LENGTH(t)))
/* Allocate space for storing data associated with a particular type.
We ensure that the space is allocated using the same mechanism that
was used to allocate the space for the type structure itself. I.E.
- if the type is on an objfile's type_obstack, then the space for data
- associated with that type will also be allocated on the type_obstack.
+ if the type is on an objfile's objfile_obstack, then the space for data
+ associated with that type will also be allocated on the objfile_obstack.
If the type is not associated with any particular objfile (such as
builtin types), then the data space will be allocated with xmalloc,
the same as for the type structure. */
#define TYPE_ALLOC(t,size) \
(TYPE_OBJFILE (t) != NULL \
- ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
+ ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \
: xmalloc (size))
-extern struct type *
-alloc_type PARAMS ((struct objfile *));
+#define TYPE_ZALLOC(t,size) \
+ (TYPE_OBJFILE (t) != NULL \
+ ? memset (obstack_alloc (&TYPE_OBJFILE (t)->objfile_obstack, size), \
+ 0, size) \
+ : xzalloc (size))
+
+extern struct type *alloc_type (struct objfile *);
-extern struct type *
-init_type PARAMS ((enum type_code, int, int, char *, struct objfile *));
+extern struct type *init_type (enum type_code, int, int, char *,
+ struct objfile *);
-extern struct type *
-lookup_reference_type PARAMS ((struct type *));
+/* Helper functions to construct a struct or record type. An
+ initially empty type is created using init_composite_type().
+ Fields are then added using append_struct_type_field(). A union
+ type has its size set to the largest field. A struct type has each
+ field packed against the previous. */
-extern struct type *
-make_reference_type PARAMS ((struct type *, struct type **));
+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_member_type PARAMS ((struct type *, struct type *));
+/* Helper functions to construct a bit flags type. An initially empty
+ type is created using init_flag_type(). Flags are then added using
+ append_flag_type_flag(). */
+extern struct type *init_flags_type (char *name, int length);
+extern void append_flags_type_flag (struct type *type, int bitpos, char *name);
-extern void
-smash_to_method_type PARAMS ((struct type *, struct type *, struct type *,
- struct type **));
+extern struct type *init_vector_type (struct type *elt_type, int n);
-extern void
-smash_to_member_type PARAMS ((struct type *, struct type *, struct type *));
+extern struct type *lookup_reference_type (struct type *);
-extern struct type *
-allocate_stub_method PARAMS ((struct type *));
+extern struct type *make_reference_type (struct type *, struct type **);
-extern char *
-type_name_no_tag PARAMS ((const struct type *));
+extern struct type *make_cv_type (int, int, struct type *, struct type **);
-extern struct type *
-lookup_struct_elt_type PARAMS ((struct type *, char *, int));
+extern void replace_type (struct type *, struct type *);
-extern struct type *
-make_pointer_type PARAMS ((struct type *, struct type **));
+extern int address_space_name_to_int (char *);
-extern struct type *
-lookup_pointer_type PARAMS ((struct type *));
+extern const char *address_space_int_to_name (int);
-extern struct type *
-make_function_type PARAMS ((struct type *, struct type **));
+extern struct type *make_type_with_address_space (struct type *type,
+ int space_identifier);
-extern struct type *
-lookup_function_type PARAMS ((struct type *));
+extern struct type *lookup_memberptr_type (struct type *, struct type *);
-extern struct type *
-create_range_type PARAMS ((struct type *, struct type *, int, int));
+extern struct type *lookup_methodptr_type (struct type *);
-extern struct type *
-create_array_type PARAMS ((struct 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 struct type *
-create_string_type PARAMS ((struct type *, struct type *));
+extern void smash_to_memberptr_type (struct type *, struct type *,
+ struct type *);
-extern struct type *create_set_type PARAMS ((struct type *, struct type *));
+extern struct type *allocate_stub_method (struct type *);
-extern int chill_varying_type PARAMS ((struct type*));
+extern char *type_name_no_tag (const struct type *);
-extern struct type *
-lookup_unsigned_typename PARAMS ((char *));
+extern struct type *lookup_struct_elt_type (struct type *, char *, int);
-extern struct type *
-lookup_signed_typename PARAMS ((char *));
+extern struct type *make_pointer_type (struct type *, struct type **);
-extern struct type *
-check_typedef PARAMS ((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 PARAMS ((struct type *, int, int));
+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 struct type *
-lookup_primitive_typename PARAMS ((char *));
+extern int is_ancestor (struct type *, struct type *);
-extern char *
-gdb_mangle_name PARAMS ((struct type *, int, int));
+extern int has_vtable (struct type *);
-extern struct type *
-builtin_type PARAMS ((char **));
+extern struct type *primary_base_class (struct type *);
-extern struct type *
-lookup_typename PARAMS ((char *, struct block *, int));
+extern struct type **virtual_base_list (struct type *);
-extern struct type *
-lookup_template_type PARAMS ((char *, struct type *, struct block *));
+extern int virtual_base_list_length (struct type *);
+extern int virtual_base_list_length_skip_primaries (struct type *);
-extern struct type *
-lookup_fundamental_type PARAMS ((struct objfile *, int));
+extern int virtual_base_index (struct type *, struct type *);
+extern int virtual_base_index_skip_primaries (struct type *, struct type *);
-extern void
-fill_in_vptr_fieldno PARAMS ((struct type *));
-extern int get_discrete_bounds PARAMS ((struct type*, LONGEST*, LONGEST*));
+extern int class_index_in_primary_list (struct type *);
-#if MAINTENANCE_CMDS
-extern void recursive_dump_type PARAMS ((struct type *, int));
-#endif
+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 PARAMS ((char *, struct type *, int, int, GDB_FILE *));
+extern void print_scalar_formatted (const void *, struct type *, int, int,
+ struct ui_file *);
+
+extern int can_dereference (struct type *);
-extern int can_dereference PARAMS ((struct type *));
+extern int is_integral_type (struct type *);
-#if MAINTENANCE_CMDS
-extern void maintenance_print_type PARAMS ((char *, int));
-#endif
+extern void maintenance_print_type (char *, int);
-/* typeprint.c */
+extern htab_t create_copied_types_hash (struct objfile *objfile);
-extern void print_type_scalar PARAMS ((struct type *, LONGEST, GDB_FILE *));
+extern struct type *copy_type_recursive (struct objfile *objfile,
+ struct type *type,
+ htab_t copied_types);
-#endif /* GDBTYPES_H */
+#endif /* GDBTYPES_H */
projects / deliverable / binutils-gdb.git / blobdiff