7678ef8fb0
Thiago Jung Bauermann <bauerman@br.ibm.com> * c-lang.c (c_create_fundamental_type): Create fundamental types for DFP. * c-typeprint.c (c_type_print_varspec_prefix): Add TYPE_CODE_DECFLOAT to no prefix needed case. (c_type_print_varspec_suffix): Add TYPE_CODE_DECFLOAT to no suffix needed case. * c-valprint.c (c_val_print): Call print_decimal_floating to print DFP values. * dwarf2read.c (read_base_type): Read DW_ATE_decimal_float attribute code and return TYPE_CODE_DECFLOAT. (dwarf_base_type): Set dwarf2_fundamental_type for DFP values. * gdbtypes.c (gdbtypes_post_init): Initialize builtin_decfloat, builtin_decdouble and builtin_declong. * gdbtypes.h (enum type_code): Add TYPE_CODE_DECFLOAT as a type code for DFP. (FT_DECFLOAT, FT_DBL_PREC_DECFLOAT, FT_EXT_PREC_DECFLOAT): New types, for decimal floating point. (FT_NUM_MEMBERS): Increment, new types added. (struct builtin_type): Add builtin_decfloat, builtin_decdouble and builtin_declong. * valprint.c (print_decimal_floating): New function to print DFP values. * value.h (print_decimal_floating): Prototype.
1464 lines
56 KiB
C++
1464 lines
56 KiB
C++
/* Internal type definitions for GDB.
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Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
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2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
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Contributed by Cygnus Support, using pieces from other GDB modules.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (GDBTYPES_H)
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#define GDBTYPES_H 1
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#include "hashtab.h"
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/* Forward declarations for prototypes. */
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struct field;
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struct block;
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/* Codes for `fundamental types'. This is a monstrosity based on the
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bogus notion that there are certain compiler-independent
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`fundamental types'. None of these is well-defined (how big is
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FT_SHORT? Does it depend on the language? How does the
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language-specific code know which type to correlate to FT_SHORT?) */
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#define FT_VOID 0
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#define FT_BOOLEAN 1
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#define FT_CHAR 2 /* we use this for not-unsigned C/C++ chars */
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#define FT_SIGNED_CHAR 3 /* we use this for C++ signed chars */
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#define FT_UNSIGNED_CHAR 4 /* we use this for C/C++ unsigned chars */
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#define FT_SHORT 5
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#define FT_SIGNED_SHORT 6
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#define FT_UNSIGNED_SHORT 7
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#define FT_INTEGER 8
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#define FT_SIGNED_INTEGER 9
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#define FT_UNSIGNED_INTEGER 10
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#define FT_LONG 11
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#define FT_SIGNED_LONG 12
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#define FT_UNSIGNED_LONG 13
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#define FT_LONG_LONG 14
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#define FT_SIGNED_LONG_LONG 15
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#define FT_UNSIGNED_LONG_LONG 16
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#define FT_FLOAT 17
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#define FT_DBL_PREC_FLOAT 18
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#define FT_EXT_PREC_FLOAT 19
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#define FT_COMPLEX 20
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#define FT_DBL_PREC_COMPLEX 21
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#define FT_EXT_PREC_COMPLEX 22
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#define FT_STRING 23
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#define FT_FIXED_DECIMAL 24
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#define FT_FLOAT_DECIMAL 25
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#define FT_BYTE 26
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#define FT_UNSIGNED_BYTE 27
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#define FT_TEMPLATE_ARG 28
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/* The following three fundamental types are for decimal floating point. */
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#define FT_DECFLOAT 29
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#define FT_DBL_PREC_DECFLOAT 30
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#define FT_EXT_PREC_DECFLOAT 31
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#define FT_NUM_MEMBERS 32 /* Highest FT_* above, plus one. */
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/* Some macros for char-based bitfields. */
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#define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
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#define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
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#define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
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#define B_TYPE unsigned char
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#define B_BYTES(x) ( 1 + ((x)>>3) )
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#define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
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/* Different kinds of data types are distinguished by the `code' field. */
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enum type_code
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{
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TYPE_CODE_UNDEF, /* Not used; catches errors */
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TYPE_CODE_PTR, /* Pointer type */
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/* Array type with lower & upper bounds.
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Regardless of the language, GDB represents multidimensional
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array types the way C does: as arrays of arrays. So an
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instance of a GDB array type T can always be seen as a series
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of instances of TYPE_TARGET_TYPE (T) laid out sequentially in
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memory.
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Row-major languages like C lay out multi-dimensional arrays so
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that incrementing the rightmost index in a subscripting
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expression results in the smallest change in the address of the
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element referred to. Column-major languages like Fortran lay
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them out so that incrementing the leftmost index results in the
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smallest change.
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This means that, in column-major languages, working our way
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from type to target type corresponds to working through indices
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from right to left, not left to right. */
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TYPE_CODE_ARRAY,
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TYPE_CODE_STRUCT, /* C struct or Pascal record */
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TYPE_CODE_UNION, /* C union or Pascal variant part */
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TYPE_CODE_ENUM, /* Enumeration type */
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TYPE_CODE_FLAGS, /* Bit flags type */
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TYPE_CODE_FUNC, /* Function type */
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TYPE_CODE_INT, /* Integer type */
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/* Floating type. This is *NOT* a complex type. Beware, there are parts
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of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */
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TYPE_CODE_FLT,
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/* Void type. The length field specifies the length (probably always
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one) which is used in pointer arithmetic involving pointers to
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this type, but actually dereferencing such a pointer is invalid;
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a void type has no length and no actual representation in memory
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or registers. A pointer to a void type is a generic pointer. */
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TYPE_CODE_VOID,
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TYPE_CODE_SET, /* Pascal sets */
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TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */
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/* A string type which is like an array of character but prints
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differently (at least for (the deleted) CHILL). It does not
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contain a length field as Pascal strings (for many Pascals,
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anyway) do; if we want to deal with such strings, we should use
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a new type code. */
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TYPE_CODE_STRING,
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/* String of bits; like TYPE_CODE_SET but prints differently (at
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least for (the deleted) CHILL). */
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TYPE_CODE_BITSTRING,
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/* Unknown type. The length field is valid if we were able to
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deduce that much about the type, or 0 if we don't even know that. */
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TYPE_CODE_ERROR,
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/* C++ */
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TYPE_CODE_METHOD, /* Method type */
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/* Pointer-to-member-function type. This describes how to access a
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particular member function of a class (possibly a virtual
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member function). The representation may vary between different
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C++ ABIs. */
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TYPE_CODE_METHODPTR,
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/* Pointer-to-member type. This is the offset within a class to some
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particular data member. The only currently supported representation
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uses an unbiased offset, with -1 representing NULL; this is used
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by the Itanium C++ ABI (used by GCC on all platforms). */
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TYPE_CODE_MEMBERPTR,
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TYPE_CODE_REF, /* C++ Reference types */
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TYPE_CODE_CHAR, /* *real* character type */
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/* Boolean type. 0 is false, 1 is true, and other values are non-boolean
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(e.g. FORTRAN "logical" used as unsigned int). */
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TYPE_CODE_BOOL,
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/* Fortran */
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TYPE_CODE_COMPLEX, /* Complex float */
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TYPE_CODE_TYPEDEF,
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TYPE_CODE_TEMPLATE, /* C++ template */
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TYPE_CODE_TEMPLATE_ARG, /* C++ template arg */
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TYPE_CODE_NAMESPACE, /* C++ namespace. */
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TYPE_CODE_DECFLOAT /* Decimal floating point. */
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};
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/* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
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alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct
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"class" attribute. Perhaps we should actually have a separate TYPE_CODE
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so that we can print "class" or "struct" depending on what the debug
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info said. It's not clear we should bother. */
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#define TYPE_CODE_CLASS TYPE_CODE_STRUCT
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/* Some bits for the type's flags word, and macros to test them. */
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/* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
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type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
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#define TYPE_FLAG_UNSIGNED (1 << 0)
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#define TYPE_UNSIGNED(t) (TYPE_FLAGS (t) & TYPE_FLAG_UNSIGNED)
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/* No sign for this type. In C++, "char", "signed char", and "unsigned
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char" are distinct types; so we need an extra flag to indicate the
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absence of a sign! */
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#define TYPE_FLAG_NOSIGN (1 << 1)
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#define TYPE_NOSIGN(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOSIGN)
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/* This appears in a type's flags word if it is a stub type (e.g., if
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someone referenced a type that wasn't defined in a source file
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via (struct sir_not_appearing_in_this_film *)). */
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#define TYPE_FLAG_STUB (1 << 2)
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#define TYPE_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB)
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/* The target type of this type is a stub type, and this type needs to
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be updated if it gets un-stubbed in check_typedef.
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Used for arrays and ranges, in which TYPE_LENGTH of the array/range
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gets set based on the TYPE_LENGTH of the target type.
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Also, set for TYPE_CODE_TYPEDEF. */
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#define TYPE_FLAG_TARGET_STUB (1 << 3)
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#define TYPE_TARGET_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_TARGET_STUB)
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/* Static type. If this is set, the corresponding type had
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* a static modifier.
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* Note: This may be unnecessary, since static data members
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* are indicated by other means (bitpos == -1)
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*/
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#define TYPE_FLAG_STATIC (1 << 4)
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#define TYPE_STATIC(t) (TYPE_FLAGS (t) & TYPE_FLAG_STATIC)
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/* Constant type. If this is set, the corresponding type has a
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* const modifier.
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*/
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#define TYPE_FLAG_CONST (1 << 5)
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#define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CONST)
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/* Volatile type. If this is set, the corresponding type has a
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* volatile modifier.
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*/
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#define TYPE_FLAG_VOLATILE (1 << 6)
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#define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_VOLATILE)
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/* This is a function type which appears to have a prototype. We need this
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for function calls in order to tell us if it's necessary to coerce the args,
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or to just do the standard conversions. This is used with a short field. */
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#define TYPE_FLAG_PROTOTYPED (1 << 7)
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#define TYPE_PROTOTYPED(t) (TYPE_FLAGS (t) & TYPE_FLAG_PROTOTYPED)
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/* This flag is used to indicate that processing for this type
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is incomplete.
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(Mostly intended for HP platforms, where class methods, for
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instance, can be encountered before their classes in the debug
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info; the incomplete type has to be marked so that the class and
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the method can be assigned correct types.) */
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#define TYPE_FLAG_INCOMPLETE (1 << 8)
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#define TYPE_INCOMPLETE(t) (TYPE_FLAGS (t) & TYPE_FLAG_INCOMPLETE)
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/* Instruction-space delimited type. This is for Harvard architectures
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which have separate instruction and data address spaces (and perhaps
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others).
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GDB usually defines a flat address space that is a superset of the
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architecture's two (or more) address spaces, but this is an extension
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of the architecture's model.
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If TYPE_FLAG_INST is set, an object of the corresponding type
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resides in instruction memory, even if its address (in the extended
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flat address space) does not reflect this.
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Similarly, if TYPE_FLAG_DATA is set, then an object of the
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corresponding type resides in the data memory space, even if
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this is not indicated by its (flat address space) address.
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If neither flag is set, the default space for functions / methods
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is instruction space, and for data objects is data memory. */
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#define TYPE_FLAG_CODE_SPACE (1 << 9)
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#define TYPE_CODE_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CODE_SPACE)
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#define TYPE_FLAG_DATA_SPACE (1 << 10)
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#define TYPE_DATA_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_DATA_SPACE)
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/* FIXME drow/2002-06-03: Only used for methods, but applies as well
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to functions. */
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#define TYPE_FLAG_VARARGS (1 << 11)
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#define TYPE_VARARGS(t) (TYPE_FLAGS (t) & TYPE_FLAG_VARARGS)
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/* Identify a vector type. Gcc is handling this by adding an extra
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attribute to the array type. We slurp that in as a new flag of a
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type. This is used only in dwarf2read.c. */
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#define TYPE_FLAG_VECTOR (1 << 12)
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#define TYPE_VECTOR(t) (TYPE_FLAGS (t) & TYPE_FLAG_VECTOR)
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/* Address class flags. Some environments provide for pointers whose
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size is different from that of a normal pointer or address types
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where the bits are interpreted differently than normal addresses. The
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TYPE_FLAG_ADDRESS_CLASS_n flags may be used in target specific
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ways to represent these different types of address classes. */
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#define TYPE_FLAG_ADDRESS_CLASS_1 (1 << 13)
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#define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \
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& TYPE_FLAG_ADDRESS_CLASS_1)
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#define TYPE_FLAG_ADDRESS_CLASS_2 (1 << 14)
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#define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \
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& TYPE_FLAG_ADDRESS_CLASS_2)
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#define TYPE_FLAG_ADDRESS_CLASS_ALL (TYPE_FLAG_ADDRESS_CLASS_1 \
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| TYPE_FLAG_ADDRESS_CLASS_2)
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#define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
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& TYPE_FLAG_ADDRESS_CLASS_ALL)
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/* The debugging formats (especially STABS) do not contain enough information
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to represent all Ada types---especially those whose size depends on
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dynamic quantities. Therefore, the GNAT Ada compiler includes
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extra information in the form of additional type definitions
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connected by naming conventions. This flag indicates that the
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type is an ordinary (unencoded) GDB type that has been created from
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the necessary run-time information, and does not need further
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interpretation. Optionally marks ordinary, fixed-size GDB type. */
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#define TYPE_FLAG_FIXED_INSTANCE (1 << 15)
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/* This debug target supports TYPE_STUB(t). In the unsupported case we have to
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rely on NFIELDS to be zero etc., see TYPE_IS_OPAQUE ().
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TYPE_STUB(t) with !TYPE_STUB_SUPPORTED(t) may exist if we only guessed
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the TYPE_STUB(t) value (see dwarfread.c). */
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#define TYPE_FLAG_STUB_SUPPORTED (1 << 16)
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#define TYPE_STUB_SUPPORTED(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB_SUPPORTED)
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/* Not textual. By default, GDB treats all single byte integers as
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characters (or elements of strings) unless this flag is set. */
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#define TYPE_FLAG_NOTTEXT (1 << 17)
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#define TYPE_NOTTEXT(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOTTEXT)
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/* Array bound type. */
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enum array_bound_type
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{
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BOUND_SIMPLE = 0,
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BOUND_BY_VALUE_IN_REG,
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BOUND_BY_REF_IN_REG,
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BOUND_BY_VALUE_ON_STACK,
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BOUND_BY_REF_ON_STACK,
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BOUND_CANNOT_BE_DETERMINED
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};
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/* This structure is space-critical.
|
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Its layout has been tweaked to reduce the space used. */
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struct main_type
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{
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/* Code for kind of type */
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ENUM_BITFIELD(type_code) code : 8;
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/* Array bounds. These fields appear at this location because
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they pack nicely here. */
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ENUM_BITFIELD(array_bound_type) upper_bound_type : 4;
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ENUM_BITFIELD(array_bound_type) lower_bound_type : 4;
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|
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/* Name of this type, or NULL if none.
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This is used for printing only, except by poorly designed C++ code.
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For looking up a name, look for a symbol in the VAR_DOMAIN. */
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char *name;
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/* Tag name for this type, or NULL if none. This means that the
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name of the type consists of a keyword followed by the tag name.
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|
Which keyword is determined by the type code ("struct" for
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TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages
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with this feature.
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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. */
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|
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char *tag_name;
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|
|
|
/* 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. */
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|
|
|
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. */
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|
|
|
struct type *target_type;
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|
|
|
/* Flags about this type. */
|
|
|
|
int flags;
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|
|
|
/* 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.
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|
|
|
Unused if this type does not have virtual functions. */
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|
|
|
short vptr_fieldno;
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|
|
|
/* 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.
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|
|
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. */
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|
|
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_METHODPTR,
|
|
TYPE_CODE_MEMBERPTR), VPTR_BASETYPE is the type that this pointer
|
|
is a member of.
|
|
|
|
For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
|
|
type that contains the method.
|
|
|
|
Unused otherwise. */
|
|
|
|
struct type *vptr_basetype;
|
|
|
|
/* 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 two
|
|
floatformat objects that describe the floating-point value
|
|
that resides within the type. The first is for big endian
|
|
targets and the second is for little endian targets. */
|
|
|
|
const struct floatformat **floatformat;
|
|
} 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)) && \
|
|
(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;
|
|
|
|
|
|
/* Types used for symbols with no debug information. */
|
|
struct type *nodebug_text_symbol;
|
|
struct type *nodebug_data_symbol;
|
|
struct type *nodebug_unknown_symbol;
|
|
struct type *nodebug_tls_symbol;
|
|
|
|
|
|
/* Integral types. */
|
|
|
|
/* We use these for the '/c' print format, because c_char is just a
|
|
one-byte integral type, which languages less laid back than C
|
|
will print as ... well, a one-byte integral type. */
|
|
struct type *builtin_true_char;
|
|
struct type *builtin_true_unsigned_char;
|
|
|
|
/* Implicit size/sign (based on the the architecture's ABI). */
|
|
struct type *builtin_void;
|
|
struct type *builtin_char;
|
|
struct type *builtin_short;
|
|
struct type *builtin_int;
|
|
struct type *builtin_long;
|
|
struct type *builtin_signed_char;
|
|
struct type *builtin_unsigned_char;
|
|
struct type *builtin_unsigned_short;
|
|
struct type *builtin_unsigned_int;
|
|
struct type *builtin_unsigned_long;
|
|
struct type *builtin_float;
|
|
struct type *builtin_double;
|
|
struct type *builtin_long_double;
|
|
struct type *builtin_complex;
|
|
struct type *builtin_double_complex;
|
|
struct type *builtin_string;
|
|
struct type *builtin_bool;
|
|
struct type *builtin_long_long;
|
|
struct type *builtin_unsigned_long_long;
|
|
struct type *builtin_decfloat;
|
|
struct type *builtin_decdouble;
|
|
struct type *builtin_declong;
|
|
};
|
|
|
|
/* Return the type table for the specified architecture. */
|
|
extern const struct builtin_type *builtin_type (struct gdbarch *gdbarch);
|
|
|
|
/* Compatibility macros to access types for the current architecture. */
|
|
#define builtin_type_void_data_ptr \
|
|
(builtin_type (current_gdbarch)->builtin_data_ptr)
|
|
#define builtin_type_void_func_ptr \
|
|
(builtin_type (current_gdbarch)->builtin_func_ptr)
|
|
#define builtin_type_CORE_ADDR \
|
|
(builtin_type (current_gdbarch)->builtin_core_addr)
|
|
#define builtin_type_true_char \
|
|
(builtin_type (current_gdbarch)->builtin_true_char)
|
|
#define builtin_type_void \
|
|
(builtin_type (current_gdbarch)->builtin_void)
|
|
#define builtin_type_char \
|
|
(builtin_type (current_gdbarch)->builtin_char)
|
|
#define builtin_type_short \
|
|
(builtin_type (current_gdbarch)->builtin_short)
|
|
#define builtin_type_int \
|
|
(builtin_type (current_gdbarch)->builtin_int)
|
|
#define builtin_type_long \
|
|
(builtin_type (current_gdbarch)->builtin_long)
|
|
#define builtin_type_signed_char \
|
|
(builtin_type (current_gdbarch)->builtin_signed_char)
|
|
#define builtin_type_unsigned_char \
|
|
(builtin_type (current_gdbarch)->builtin_unsigned_char)
|
|
#define builtin_type_unsigned_short \
|
|
(builtin_type (current_gdbarch)->builtin_unsigned_short)
|
|
#define builtin_type_unsigned_int \
|
|
(builtin_type (current_gdbarch)->builtin_unsigned_int)
|
|
#define builtin_type_unsigned_long \
|
|
(builtin_type (current_gdbarch)->builtin_unsigned_long)
|
|
#define builtin_type_float \
|
|
(builtin_type (current_gdbarch)->builtin_float)
|
|
#define builtin_type_double \
|
|
(builtin_type (current_gdbarch)->builtin_double)
|
|
#define builtin_type_long_double \
|
|
(builtin_type (current_gdbarch)->builtin_long_double)
|
|
#define builtin_type_complex \
|
|
(builtin_type (current_gdbarch)->builtin_complex)
|
|
#define builtin_type_double_complex \
|
|
(builtin_type (current_gdbarch)->builtin_double_complex)
|
|
#define builtin_type_string \
|
|
(builtin_type (current_gdbarch)->builtin_string)
|
|
#define builtin_type_bool \
|
|
(builtin_type (current_gdbarch)->builtin_bool)
|
|
#define builtin_type_long_long \
|
|
(builtin_type (current_gdbarch)->builtin_long_long)
|
|
#define builtin_type_unsigned_long_long \
|
|
(builtin_type (current_gdbarch)->builtin_unsigned_long_long)
|
|
|
|
|
|
/* 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;
|
|
|
|
/* This type represents a type that was unrecognized in symbol
|
|
read-in. */
|
|
|
|
extern struct type *builtin_type_error;
|
|
|
|
|
|
/* Modula-2 types */
|
|
|
|
struct builtin_m2_type
|
|
{
|
|
struct type *builtin_char;
|
|
struct type *builtin_int;
|
|
struct type *builtin_card;
|
|
struct type *builtin_real;
|
|
struct type *builtin_bool;
|
|
};
|
|
|
|
/* Return the Modula-2 type table for the specified architecture. */
|
|
extern const struct builtin_m2_type *builtin_m2_type (struct gdbarch *gdbarch);
|
|
|
|
/* Compatibility macros to access types for the current architecture. */
|
|
#define builtin_type_m2_char \
|
|
(builtin_m2_type (current_gdbarch)->builtin_char)
|
|
#define builtin_type_m2_int \
|
|
(builtin_m2_type (current_gdbarch)->builtin_int)
|
|
#define builtin_type_m2_card \
|
|
(builtin_m2_type (current_gdbarch)->builtin_card)
|
|
#define builtin_type_m2_real \
|
|
(builtin_m2_type (current_gdbarch)->builtin_real)
|
|
#define builtin_type_m2_bool \
|
|
(builtin_m2_type (current_gdbarch)->builtin_bool)
|
|
|
|
|
|
/* Fortran (F77) types */
|
|
|
|
struct builtin_f_type
|
|
{
|
|
struct type *builtin_character;
|
|
struct type *builtin_integer;
|
|
struct type *builtin_integer_s2;
|
|
struct type *builtin_logical;
|
|
struct type *builtin_logical_s1;
|
|
struct type *builtin_logical_s2;
|
|
struct type *builtin_real;
|
|
struct type *builtin_real_s8;
|
|
struct type *builtin_real_s16;
|
|
struct type *builtin_complex_s8;
|
|
struct type *builtin_complex_s16;
|
|
struct type *builtin_complex_s32;
|
|
struct type *builtin_void;
|
|
};
|
|
|
|
/* Return the Fortran type table for the specified architecture. */
|
|
extern const struct builtin_f_type *builtin_f_type (struct gdbarch *gdbarch);
|
|
|
|
/* Compatibility macros to access types for the current architecture. */
|
|
#define builtin_type_f_character \
|
|
(builtin_f_type (current_gdbarch)->builtin_character)
|
|
#define builtin_type_f_integer \
|
|
(builtin_f_type (current_gdbarch)->builtin_integer)
|
|
#define builtin_type_f_integer_s2 \
|
|
(builtin_f_type (current_gdbarch)->builtin_integer_s2)
|
|
#define builtin_type_f_logical \
|
|
(builtin_f_type (current_gdbarch)->builtin_logical)
|
|
#define builtin_type_f_logical_s1 \
|
|
(builtin_f_type (current_gdbarch)->builtin_logical_s1)
|
|
#define builtin_type_f_logical_s2 \
|
|
(builtin_f_type (current_gdbarch)->builtin_logical_s2)
|
|
#define builtin_type_f_real \
|
|
(builtin_f_type (current_gdbarch)->builtin_real)
|
|
#define builtin_type_f_real_s8 \
|
|
(builtin_f_type (current_gdbarch)->builtin_real_s8)
|
|
#define builtin_type_f_real_s16 \
|
|
(builtin_f_type (current_gdbarch)->builtin_real_s16)
|
|
#define builtin_type_f_complex_s8 \
|
|
(builtin_f_type (current_gdbarch)->builtin_complex_s8)
|
|
#define builtin_type_f_complex_s16 \
|
|
(builtin_f_type (current_gdbarch)->builtin_complex_s16)
|
|
#define builtin_type_f_complex_s32 \
|
|
(builtin_f_type (current_gdbarch)->builtin_complex_s32)
|
|
#define builtin_type_f_void \
|
|
(builtin_f_type (current_gdbarch)->builtin_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))
|
|
|
|
#define TYPE_ZALLOC(t,size) \
|
|
(TYPE_OBJFILE (t) != NULL \
|
|
? memset (obstack_alloc (&TYPE_OBJFILE (t)->objfile_obstack, size), \
|
|
0, size) \
|
|
: xzalloc (size))
|
|
|
|
extern struct type *alloc_type (struct objfile *);
|
|
|
|
extern struct type *init_type (enum type_code, int, int, char *,
|
|
struct objfile *);
|
|
|
|
/* Helper functions to construct a struct or record type. An
|
|
initially empty type is created using init_composite_type().
|
|
Fields are then added using append_struct_type_field(). A union
|
|
type has its size set to the largest field. A struct type has each
|
|
field packed against the previous. */
|
|
|
|
extern struct type *init_composite_type (char *name, enum type_code code);
|
|
extern void append_composite_type_field (struct type *t, char *name,
|
|
struct type *field);
|
|
|
|
/* Helper functions to construct a bit flags type. An initially empty
|
|
type is created using init_flag_type(). Flags are then added using
|
|
append_flag_type_flag(). */
|
|
extern struct type *init_flags_type (char *name, int length);
|
|
extern void append_flags_type_flag (struct type *type, int bitpos, char *name);
|
|
|
|
extern void make_vector_type (struct type *array_type);
|
|
extern struct type *init_vector_type (struct type *elt_type, int n);
|
|
|
|
extern struct type *lookup_reference_type (struct type *);
|
|
|
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extern struct type *make_reference_type (struct type *, struct type **);
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extern struct type *make_cv_type (int, int, struct type *, struct type **);
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extern void replace_type (struct type *, struct type *);
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extern int address_space_name_to_int (char *);
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extern const char *address_space_int_to_name (int);
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extern struct type *make_type_with_address_space (struct type *type,
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int space_identifier);
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extern struct type *lookup_memberptr_type (struct type *, struct type *);
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extern struct type *lookup_methodptr_type (struct type *);
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extern void smash_to_method_type (struct type *type, struct type *domain,
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struct type *to_type, struct field *args,
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int nargs, int varargs);
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extern void smash_to_memberptr_type (struct type *, struct type *,
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struct type *);
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extern struct type *allocate_stub_method (struct type *);
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extern char *type_name_no_tag (const struct type *);
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extern struct type *lookup_struct_elt_type (struct type *, char *, int);
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extern struct type *make_pointer_type (struct type *, struct type **);
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extern struct type *lookup_pointer_type (struct type *);
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extern struct type *make_function_type (struct type *, struct type **);
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extern struct type *lookup_function_type (struct type *);
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extern struct type *create_range_type (struct type *, struct type *, int,
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int);
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extern struct type *create_array_type (struct type *, struct type *,
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struct type *);
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extern struct type *create_string_type (struct type *, struct type *);
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extern struct type *create_set_type (struct type *, struct type *);
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extern struct type *lookup_unsigned_typename (char *);
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extern struct type *lookup_signed_typename (char *);
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extern struct type *check_typedef (struct type *);
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#define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
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extern void check_stub_method_group (struct type *, int);
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extern char *gdb_mangle_name (struct type *, int, int);
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extern struct type *lookup_typename (char *, struct block *, int);
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extern struct type *lookup_template_type (char *, struct type *,
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struct block *);
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extern struct type *lookup_fundamental_type (struct objfile *, int);
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extern void fill_in_vptr_fieldno (struct type *);
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extern int get_destructor_fn_field (struct type *, int *, int *);
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extern int get_discrete_bounds (struct type *, LONGEST *, LONGEST *);
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extern int is_ancestor (struct type *, struct type *);
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extern int has_vtable (struct type *);
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extern struct type *primary_base_class (struct type *);
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extern int virtual_base_list_length (struct type *);
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extern int virtual_base_list_length_skip_primaries (struct type *);
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extern int virtual_base_index (struct type *, struct type *);
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extern int virtual_base_index_skip_primaries (struct type *, struct type *);
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extern int class_index_in_primary_list (struct type *);
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extern int count_virtual_fns (struct type *);
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/* Constants for HP/Taligent ANSI C++ runtime model */
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/* Where virtual function entries begin in the
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* virtual table, in the non-RRBC vtable format.
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* First 4 are the metavtable pointer, top offset,
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* typeinfo pointer, and dup base info pointer */
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#define HP_ACC_VFUNC_START 4
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/* (Negative) Offset where virtual base offset entries begin
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* in the virtual table. Skips over metavtable pointer and
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* the self-offset entry.
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* NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
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* appear before the address point of the vtable (the slot
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* pointed to by the object's vtable pointer), i.e. at lower
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* addresses than the vtable pointer. */
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#define HP_ACC_VBASE_START 2
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/* (Positive) Offset where the pointer to the typeinfo
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* object is present in the virtual table */
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#define HP_ACC_TYPEINFO_OFFSET 2
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/* (Positive) Offset where the ``top offset'' entry of
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* the virtual table is */
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#define HP_ACC_TOP_OFFSET_OFFSET 1
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/* Overload resolution */
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#define LENGTH_MATCH(bv) ((bv)->rank[0])
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/* Badness if parameter list length doesn't match arg list length */
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#define LENGTH_MISMATCH_BADNESS 100
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/* Dummy badness value for nonexistent parameter positions */
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#define TOO_FEW_PARAMS_BADNESS 100
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/* Badness if no conversion among types */
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#define INCOMPATIBLE_TYPE_BADNESS 100
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/* Badness of integral promotion */
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#define INTEGER_PROMOTION_BADNESS 1
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/* Badness of floating promotion */
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#define FLOAT_PROMOTION_BADNESS 1
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/* Badness of integral conversion */
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#define INTEGER_CONVERSION_BADNESS 2
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/* Badness of floating conversion */
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#define FLOAT_CONVERSION_BADNESS 2
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/* Badness of integer<->floating conversions */
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#define INT_FLOAT_CONVERSION_BADNESS 2
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/* Badness of converting to a boolean */
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#define BOOLEAN_CONVERSION_BADNESS 2
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/* Badness of pointer conversion */
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#define POINTER_CONVERSION_BADNESS 2
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/* Badness of conversion of pointer to void pointer */
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#define VOID_PTR_CONVERSION_BADNESS 2
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/* Badness of converting derived to base class */
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#define BASE_CONVERSION_BADNESS 2
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/* Badness of converting from non-reference to reference */
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#define REFERENCE_CONVERSION_BADNESS 2
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/* Non-standard conversions allowed by the debugger */
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/* Converting a pointer to an int is usually OK */
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#define NS_POINTER_CONVERSION_BADNESS 10
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extern int compare_badness (struct badness_vector *, struct badness_vector *);
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extern struct badness_vector *rank_function (struct type **, int,
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struct type **, int);
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extern int rank_one_type (struct type *, struct type *);
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extern void recursive_dump_type (struct type *, int);
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/* printcmd.c */
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extern void print_scalar_formatted (const void *, struct type *, int, int,
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struct ui_file *);
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extern int can_dereference (struct type *);
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extern int is_integral_type (struct type *);
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extern void maintenance_print_type (char *, int);
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extern htab_t create_copied_types_hash (struct objfile *objfile);
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extern struct type *copy_type_recursive (struct objfile *objfile,
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struct type *type,
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htab_t copied_types);
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#endif /* GDBTYPES_H */
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