/* Internal type definitions for GDB.
- Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011
- Free Software Foundation, Inc.
+ Copyright (C) 1992-2004, 2006-2012 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
#define TYPE_DECLARED_CLASS(t) (TYPE_MAIN_TYPE (t)->flag_declared_class)
+/* True if this type is a "flag" enum. A flag enum is one where all
+ the values are pairwise disjoint when "and"ed together. This
+ affects how enum values are printed. */
+
+#define TYPE_FLAG_ENUM(t) (TYPE_MAIN_TYPE (t)->flag_flag_enum)
+
/* Constant type. If this is set, the corresponding type has a
const modifier. */
{
FIELD_LOC_KIND_BITPOS, /* bitpos */
FIELD_LOC_KIND_PHYSADDR, /* physaddr */
- FIELD_LOC_KIND_PHYSNAME /* physname */
+ FIELD_LOC_KIND_PHYSNAME, /* physname */
+ FIELD_LOC_KIND_DWARF_BLOCK /* dwarf_block */
};
/* A discriminant to determine which field in the main_type.type_specific
TYPE_SPECIFIC_CPLUS_STUFF,
TYPE_SPECIFIC_GNAT_STUFF,
TYPE_SPECIFIC_FLOATFORMAT,
- TYPE_SPECIFIC_CALLING_CONVENTION
+ TYPE_SPECIFIC_FUNC
};
/* This structure is space-critical.
"struct". */
unsigned int flag_declared_class : 1;
+ /* True if this is an enum type with disjoint values. This affects
+ how the enum is printed. */
+
+ unsigned int flag_flag_enum : 1;
+
/* A discriminant telling us which field of the type_specific union
is being used for this type, if any. */
ENUM_BITFIELD(type_specific_kind) type_specific_field : 3;
/* Name of this type, or NULL if none.
This is used for printing only, except by poorly designed C++ code.
- For looking up a name, look for a symbol in the VAR_DOMAIN. */
+ For looking up a name, look for a symbol in the VAR_DOMAIN.
+ This is generally allocated in the objfile's obstack.
+ However coffread.c uses malloc. */
- char *name;
+ const char *name;
/* Tag name for this type, or NULL if none. This means that the
name of the type consists of a keyword followed by the tag name.
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;
+ const char *tag_name;
/* Every type is now associated with a particular objfile, and the
type is allocated on the objfile_obstack for that objfile. One problem
CORE_ADDR physaddr;
const char *physname;
+
+ /* The field location can be computed by evaluating the following DWARF
+ block. Its DATA is allocated on objfile_obstack - no CU load is
+ needed to access it. */
+
+ struct dwarf2_locexpr_baton *dwarf_block;
}
loc;
NULL for range bounds, array domains, and member function
arguments. */
- char *name;
+ const char *name;
} *fields;
/* Union member used for range types. */
const struct floatformat **floatformat;
- /* For TYPE_CODE_FUNC types, the calling convention for targets
- supporting multiple ABIs. Right now this is only fetched from
- the Dwarf-2 DW_AT_calling_convention attribute. */
- unsigned calling_convention;
+ /* For TYPE_CODE_FUNC types, */
+ struct func_type *func_stuff;
} type_specific;
};
short nfn_fields;
- /* Number of methods described for this type, not including the
- methods that it derives from. */
-
- short nfn_fields_total;
-
/* Number of template arguments. */
unsigned short n_template_arguments;
dynamic. Zero if not yet computed. */
int is_dynamic : 2;
+ /* Non-zero if this type came from a Java CU. */
+ unsigned int is_java : 1;
+
/* 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
struct fn_fieldlist
{
- /* The overloaded name. */
+ /* The overloaded name.
+ This is generally allocated in the objfile's obstack.
+ However stabsread.c sometimes uses malloc. */
- char *name;
+ const char *name;
/* The number of methods with this name. */
struct symbol **template_arguments;
};
-/* Struct used in computing virtual base list. */
-struct vbase
- {
- struct type *vbasetype; /* pointer to virtual base */
- struct vbase *next; /* next in chain */
- };
-
/* Struct used to store conversion rankings. */
struct rank
{
struct type* descriptive_type;
};
+/* For TYPE_CODE_FUNC types, */
+struct func_type
+ {
+ /* The calling convention for targets supporting multiple ABIs. Right now
+ this is only fetched from the Dwarf-2 DW_AT_calling_convention
+ attribute. */
+ unsigned calling_convention;
+
+ /* Only those DW_TAG_GNU_call_site's in this function that have
+ DW_AT_GNU_tail_call set are linked in this list. Function without its
+ tail call list complete (DW_AT_GNU_all_tail_call_sites or its superset
+ DW_AT_GNU_all_call_sites) has TAIL_CALL_LIST NULL, even if some
+ DW_TAG_GNU_call_site's exist in such function. */
+ struct call_site *tail_call_list;
+ };
+
+/* A place where a function gets called from, represented by
+ DW_TAG_GNU_call_site. It can be looked up from symtab->call_site_htab. */
+
+struct call_site
+ {
+ /* Address of the first instruction after this call. It must be the first
+ field as we overload core_addr_hash and core_addr_eq for it. */
+ CORE_ADDR pc;
+
+ /* List successor with head in FUNC_TYPE.TAIL_CALL_LIST. */
+ struct call_site *tail_call_next;
+
+ /* Describe DW_AT_GNU_call_site_target. Missing attribute uses
+ FIELD_LOC_KIND_DWARF_BLOCK with FIELD_DWARF_BLOCK == NULL. */
+ struct
+ {
+ union field_location loc;
+
+ /* Discriminant for union field_location. */
+ ENUM_BITFIELD(field_loc_kind) loc_kind : 2;
+ }
+ target;
+
+ /* Size of the PARAMETER array. */
+ unsigned parameter_count;
+
+ /* CU of the function where the call is located. It gets used for DWARF
+ blocks execution in the parameter array below. */
+ struct dwarf2_per_cu_data *per_cu;
+
+ /* Describe DW_TAG_GNU_call_site's DW_TAG_formal_parameter. */
+ struct call_site_parameter
+ {
+ /* DW_TAG_formal_parameter's DW_AT_location's DW_OP_regX as DWARF
+ register number, for register passed parameters. If -1 then use
+ fb_offset. */
+ int dwarf_reg;
+
+ /* Offset from the callee's frame base, for stack passed parameters.
+ This equals offset from the caller's stack pointer. Valid only if
+ DWARF_REGNUM is -1. */
+ CORE_ADDR fb_offset;
+
+ /* DW_TAG_formal_parameter's DW_AT_GNU_call_site_value. It is never
+ NULL. */
+ const gdb_byte *value;
+ size_t value_size;
+
+ /* DW_TAG_formal_parameter's DW_AT_GNU_call_site_data_value. It may be
+ NULL if not provided by DWARF. */
+ const gdb_byte *data_value;
+ size_t data_value_size;
+ }
+ parameter[1];
+ };
+
/* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
this shared static structure. */
#define HAVE_GNAT_AUX_INFO(type) \
(TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_GNAT_STUFF)
+#define INIT_FUNC_SPECIFIC(type) \
+ (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_FUNC, \
+ TYPE_MAIN_TYPE (type)->type_specific.func_stuff \
+ = TYPE_ZALLOC (type, \
+ sizeof (*TYPE_MAIN_TYPE (type)->type_specific.func_stuff)))
+
#define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
#define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
#define TYPE_NAME(thistype) TYPE_MAIN_TYPE(thistype)->name
#define TYPE_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_SPECIFIC_FIELD(thistype) \
TYPE_MAIN_TYPE(thistype)->type_specific_field
#define TYPE_TYPE_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific
#define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat
#define TYPE_GNAT_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.gnat_stuff
#define TYPE_DESCRIPTIVE_TYPE(thistype) TYPE_GNAT_SPECIFIC(thistype)->descriptive_type
-#define TYPE_CALLING_CONVENTION(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.calling_convention
+#define TYPE_CALLING_CONVENTION(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->calling_convention
+#define TYPE_TAIL_CALL_LIST(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->tail_call_list
#define TYPE_BASECLASS(thistype,index) TYPE_FIELD_TYPE(thistype, index)
#define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
#define TYPE_BASECLASS_NAME(thistype,index) TYPE_FIELD_NAME(thistype, index)
#define BASETYPE_VIA_PUBLIC(thistype, index) \
((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
#define TYPE_CPLUS_DYNAMIC(thistype) TYPE_CPLUS_SPECIFIC (thistype)->is_dynamic
+#define TYPE_CPLUS_REALLY_JAVA(thistype) TYPE_CPLUS_SPECIFIC (thistype)->is_java
#define BASETYPE_VIA_VIRTUAL(thistype, index) \
(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
#define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
#define FIELD_STATIC_PHYSNAME(thisfld) ((thisfld).loc.physname)
#define FIELD_STATIC_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
+#define FIELD_DWARF_BLOCK(thisfld) ((thisfld).loc.dwarf_block)
#define SET_FIELD_BITPOS(thisfld, bitpos) \
(FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_BITPOS, \
FIELD_BITPOS (thisfld) = (bitpos))
#define SET_FIELD_PHYSADDR(thisfld, addr) \
(FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_PHYSADDR, \
FIELD_STATIC_PHYSADDR (thisfld) = (addr))
+#define SET_FIELD_DWARF_BLOCK(thisfld, addr) \
+ (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_DWARF_BLOCK, \
+ FIELD_DWARF_BLOCK (thisfld) = (addr))
#define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial)
#define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
#define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS (TYPE_FIELD (thistype, n))
#define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_STATIC_PHYSNAME (TYPE_FIELD (thistype, n))
#define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_STATIC_PHYSADDR (TYPE_FIELD (thistype, n))
+#define TYPE_FIELD_DWARF_BLOCK(thistype, n) FIELD_DWARF_BLOCK (TYPE_FIELD (thistype, n))
#define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n))
#define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
#define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
|| TYPE_NFN_FIELDS (thistype) == 0) \
&& (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
+/* A helper macro that returns the name of a type or "unnamed type" if the type
+ has no name. */
+#define TYPE_SAFE_NAME(type) \
+ (TYPE_NAME (type) ? TYPE_NAME (type) : _("<unnamed type>"))
+
/* A helper macro that returns the name of an error type. If the type
has a name, it is used; otherwise, a default is used. */
#define TYPE_ERROR_NAME(type) \
extern struct type *allocate_stub_method (struct type *);
-extern char *type_name_no_tag (const struct type *);
+extern const char *type_name_no_tag (const struct type *);
extern const char *type_name_no_tag_or_error (struct type *type);
extern struct type *create_set_type (struct type *, struct type *);
extern struct type *lookup_unsigned_typename (const struct language_defn *,
- struct gdbarch *,char *);
+ struct gdbarch *, const char *);
extern struct type *lookup_signed_typename (const struct language_defn *,
- struct gdbarch *,char *);
+ struct gdbarch *, const char *);
extern struct type *check_typedef (struct type *);
extern char *gdb_mangle_name (struct type *, int, int);
extern struct type *lookup_typename (const struct language_defn *,
- struct gdbarch *, char *,
+ struct gdbarch *, const char *,
const struct block *, int);
extern struct type *lookup_template_type (char *, struct type *,
extern const struct rank BASE_CONVERSION_BADNESS;
/* Badness of converting from non-reference to reference. */
extern const struct rank REFERENCE_CONVERSION_BADNESS;
+/* Badness of converting integer 0 to NULL pointer. */
+extern const struct rank NULL_POINTER_CONVERSION;
/* Non-standard conversions allowed by the debugger */
/* Converting a pointer to an int is usually OK. */
extern int compare_badness (struct badness_vector *, struct badness_vector *);
extern struct badness_vector *rank_function (struct type **, int,
- struct type **, int);
+ struct value **, int);
-extern struct rank rank_one_type (struct type *, struct type *);
+extern struct rank rank_one_type (struct type *, struct type *,
+ struct value *);
extern void recursive_dump_type (struct type *, int);
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