/* Support routines for manipulating internal types for GDB.
- Copyright (C) 1992 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#include <stdio.h>
#include "defs.h"
-#include <string.h>
+#include "gdb_string.h"
#include "bfd.h"
#include "symtab.h"
#include "symfile.h"
+#include "objfiles.h"
#include "gdbtypes.h"
#include "expression.h"
#include "language.h"
#include "target.h"
#include "value.h"
+#include "demangle.h"
+#include "complaints.h"
+
+/* These variables point to the objects
+ representing the predefined C data types. */
+
+struct type *builtin_type_void;
+struct type *builtin_type_char;
+struct type *builtin_type_short;
+struct type *builtin_type_int;
+struct type *builtin_type_long;
+struct type *builtin_type_long_long;
+struct type *builtin_type_signed_char;
+struct type *builtin_type_unsigned_char;
+struct type *builtin_type_unsigned_short;
+struct type *builtin_type_unsigned_int;
+struct type *builtin_type_unsigned_long;
+struct type *builtin_type_unsigned_long_long;
+struct type *builtin_type_float;
+struct type *builtin_type_double;
+struct type *builtin_type_long_double;
+struct type *builtin_type_complex;
+struct type *builtin_type_double_complex;
+struct type *builtin_type_string;
+
+struct extra { char str[128]; int len; }; /* maximum extention is 128! FIXME */
+
+static void add_name PARAMS ((struct extra *, char *));
+static void add_mangled_type PARAMS ((struct extra *, struct type *));
+#if 0
+static void cfront_mangle_name PARAMS ((struct type *, int, int));
+#endif
+static void print_bit_vector PARAMS ((B_TYPE *, int));
+static void print_arg_types PARAMS ((struct type **, int));
+static void dump_fn_fieldlists PARAMS ((struct type *, int));
+static void print_cplus_stuff PARAMS ((struct type *, int));
/* Alloc a new type structure and fill it with some defaults. If
OBJFILE is non-NULL, then allocate the space for the type structure
{
type = (struct type *) obstack_alloc (&objfile -> type_obstack,
sizeof (struct type));
+ OBJSTAT (objfile, n_types++);
}
- (void) memset ((char *)type, 0, sizeof (struct type));
+ memset ((char *) type, 0, sizeof (struct type));
/* Initialize the fields that might not be zero. */
return (type);
}
+/* Lookup a pointer to a type TYPE. TYPEPTR, if nonzero, points
+ to a pointer to memory where the pointer type should be stored.
+ If *TYPEPTR is zero, update it to point to the pointer type we return.
+ We allocate new memory if needed. */
+
+struct type *
+make_pointer_type (type, typeptr)
+ struct type *type;
+ struct type **typeptr;
+{
+ register struct type *ntype; /* New type */
+ struct objfile *objfile;
+
+ ntype = TYPE_POINTER_TYPE (type);
+
+ if (ntype)
+ if (typeptr == 0)
+ return ntype; /* Don't care about alloc, and have new type. */
+ else if (*typeptr == 0)
+ {
+ *typeptr = ntype; /* Tracking alloc, and we have new type. */
+ return ntype;
+ }
+
+ if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */
+ {
+ ntype = alloc_type (TYPE_OBJFILE (type));
+ if (typeptr)
+ *typeptr = ntype;
+ }
+ else /* We have storage, but need to reset it. */
+ {
+ ntype = *typeptr;
+ objfile = TYPE_OBJFILE (ntype);
+ memset ((char *) ntype, 0, sizeof (struct type));
+ TYPE_OBJFILE (ntype) = objfile;
+ }
+
+ TYPE_TARGET_TYPE (ntype) = type;
+ TYPE_POINTER_TYPE (type) = ntype;
+
+ /* FIXME! Assume the machine has only one representation for pointers! */
+
+ TYPE_LENGTH (ntype) = TARGET_PTR_BIT / TARGET_CHAR_BIT;
+ TYPE_CODE (ntype) = TYPE_CODE_PTR;
+
+ /* pointers are unsigned */
+ TYPE_FLAGS (ntype) |= TYPE_FLAG_UNSIGNED;
+
+ if (!TYPE_POINTER_TYPE (type)) /* Remember it, if don't have one. */
+ TYPE_POINTER_TYPE (type) = ntype;
+
+ return ntype;
+}
+
/* Given a type TYPE, return a type of pointers to that type.
May need to construct such a type if this is the first use. */
lookup_pointer_type (type)
struct type *type;
{
- register struct type *ptype;
+ return make_pointer_type (type, (struct type **)0);
+}
+
+/* Lookup a C++ `reference' to a type TYPE. TYPEPTR, if nonzero, points
+ to a pointer to memory where the reference type should be stored.
+ If *TYPEPTR is zero, update it to point to the reference type we return.
+ We allocate new memory if needed. */
+
+struct type *
+make_reference_type (type, typeptr)
+ struct type *type;
+ struct type **typeptr;
+{
+ register struct type *ntype; /* New type */
+ struct objfile *objfile;
+
+ ntype = TYPE_REFERENCE_TYPE (type);
- if ((ptype = TYPE_POINTER_TYPE (type)) == NULL)
+ if (ntype)
+ if (typeptr == 0)
+ return ntype; /* Don't care about alloc, and have new type. */
+ else if (*typeptr == 0)
+ {
+ *typeptr = ntype; /* Tracking alloc, and we have new type. */
+ return ntype;
+ }
+
+ if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */
+ {
+ ntype = alloc_type (TYPE_OBJFILE (type));
+ if (typeptr)
+ *typeptr = ntype;
+ }
+ else /* We have storage, but need to reset it. */
{
- /* This is the first time anyone wanted a pointer to a TYPE. */
-
- ptype = alloc_type (TYPE_OBJFILE (type));
- TYPE_TARGET_TYPE (ptype) = type;
- TYPE_POINTER_TYPE (type) = ptype;
-
- /* We assume the machine has only one representation for pointers! */
-
- TYPE_LENGTH (ptype) = TARGET_PTR_BIT / TARGET_CHAR_BIT;
- TYPE_CODE (ptype) = TYPE_CODE_PTR;
-
- /* pointers are unsigned */
- TYPE_FLAGS(ptype) |= TYPE_FLAG_UNSIGNED;
-
+ ntype = *typeptr;
+ objfile = TYPE_OBJFILE (ntype);
+ memset ((char *) ntype, 0, sizeof (struct type));
+ TYPE_OBJFILE (ntype) = objfile;
}
- return (ptype);
+
+ TYPE_TARGET_TYPE (ntype) = type;
+ TYPE_REFERENCE_TYPE (type) = ntype;
+
+ /* FIXME! Assume the machine has only one representation for references,
+ and that it matches the (only) representation for pointers! */
+
+ TYPE_LENGTH (ntype) = TARGET_PTR_BIT / TARGET_CHAR_BIT;
+ TYPE_CODE (ntype) = TYPE_CODE_REF;
+
+ if (!TYPE_REFERENCE_TYPE (type)) /* Remember it, if don't have one. */
+ TYPE_REFERENCE_TYPE (type) = ntype;
+
+ return ntype;
}
+/* Same as above, but caller doesn't care about memory allocation details. */
+
struct type *
lookup_reference_type (type)
struct type *type;
{
- register struct type *rtype;
+ return make_reference_type (type, (struct type **)0);
+}
+
+/* Lookup a function type that returns type TYPE. TYPEPTR, if nonzero, points
+ to a pointer to memory where the function type should be stored.
+ If *TYPEPTR is zero, update it to point to the function type we return.
+ We allocate new memory if needed. */
- if ((rtype = TYPE_REFERENCE_TYPE (type)) == NULL)
+struct type *
+make_function_type (type, typeptr)
+ struct type *type;
+ struct type **typeptr;
+{
+ register struct type *ntype; /* New type */
+ struct objfile *objfile;
+
+ if (typeptr == 0 || *typeptr == 0) /* We'll need to allocate one. */
+ {
+ ntype = alloc_type (TYPE_OBJFILE (type));
+ if (typeptr)
+ *typeptr = ntype;
+ }
+ else /* We have storage, but need to reset it. */
{
- /* This is the first time anyone wanted a pointer to a TYPE. */
-
- rtype = alloc_type (TYPE_OBJFILE (type));
- TYPE_TARGET_TYPE (rtype) = type;
- TYPE_REFERENCE_TYPE (type) = rtype;
-
- /* We assume the machine has only one representation for pointers! */
- /* FIXME: This confuses host<->target data representations, and is a
- poor assumption besides. */
-
- TYPE_LENGTH (rtype) = sizeof (char *);
- TYPE_CODE (rtype) = TYPE_CODE_REF;
-
+ ntype = *typeptr;
+ objfile = TYPE_OBJFILE (ntype);
+ memset ((char *) ntype, 0, sizeof (struct type));
+ TYPE_OBJFILE (ntype) = objfile;
}
- return (rtype);
+
+ TYPE_TARGET_TYPE (ntype) = type;
+
+ TYPE_LENGTH (ntype) = 1;
+ TYPE_CODE (ntype) = TYPE_CODE_FUNC;
+
+ return ntype;
}
+
/* Given a type TYPE, return a type of functions that return that type.
May need to construct such a type if this is the first use. */
lookup_function_type (type)
struct type *type;
{
- register struct type *ptype;
-
- if ((ptype = TYPE_FUNCTION_TYPE (type)) == NULL)
- {
- /* This is the first time anyone wanted a function returning a TYPE. */
-
- ptype = alloc_type (TYPE_OBJFILE (type));
- TYPE_TARGET_TYPE (ptype) = type;
- TYPE_FUNCTION_TYPE (type) = ptype;
-
- TYPE_LENGTH (ptype) = 1;
- TYPE_CODE (ptype) = TYPE_CODE_FUNC;
- }
- return (ptype);
+ return make_function_type (type, (struct type **)0);
}
/* Implement direct support for MEMBER_TYPE in GNU C++.
return (mtype);
}
-/* Create an array type. Elements will be of type TYPE, and there will
- be NUM of them.
+/* Create a range type using either a blank type supplied in RESULT_TYPE,
+ or creating a new type, inheriting the objfile from INDEX_TYPE.
- Eventually this should be extended to take two more arguments which
- specify the bounds of the array and the type of the index.
- It should also be changed to be a "lookup" function, with the
- appropriate data structures added to the type field.
- Then read array type should call here. */
+ Indices will be of type INDEX_TYPE, and will range from LOW_BOUND to
+ HIGH_BOUND, inclusive.
+
+ FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
+ sure it is TYPE_CODE_UNDEF before we bash it into a range type? */
struct type *
-create_array_type (element_type, number)
- struct type *element_type;
- int number;
+create_range_type (result_type, index_type, low_bound, high_bound)
+ struct type *result_type;
+ struct type *index_type;
+ int low_bound;
+ int high_bound;
{
- struct type *result_type;
- struct type *range_type;
+ if (result_type == NULL)
+ {
+ result_type = alloc_type (TYPE_OBJFILE (index_type));
+ }
+ TYPE_CODE (result_type) = TYPE_CODE_RANGE;
+ TYPE_TARGET_TYPE (result_type) = index_type;
+ if (TYPE_FLAGS (index_type) & TYPE_FLAG_STUB)
+ TYPE_FLAGS (result_type) |= TYPE_FLAG_TARGET_STUB;
+ else
+ TYPE_LENGTH (result_type) = TYPE_LENGTH (check_typedef (index_type));
+ TYPE_NFIELDS (result_type) = 2;
+ TYPE_FIELDS (result_type) = (struct field *)
+ TYPE_ALLOC (result_type, 2 * sizeof (struct field));
+ memset (TYPE_FIELDS (result_type), 0, 2 * sizeof (struct field));
+ TYPE_FIELD_BITPOS (result_type, 0) = low_bound;
+ TYPE_FIELD_BITPOS (result_type, 1) = high_bound;
+ TYPE_FIELD_TYPE (result_type, 0) = builtin_type_int; /* FIXME */
+ TYPE_FIELD_TYPE (result_type, 1) = builtin_type_int; /* FIXME */
+
+ return (result_type);
+}
+
+/* Set *LOWP and *HIGHP to the lower and upper bounds of discrete type TYPE.
+ Return 1 of type is a range type, 0 if it is discrete (and bounds
+ will fit in LONGEST), or -1 otherwise. */
+
+int
+get_discrete_bounds (type, lowp, highp)
+ struct type *type;
+ LONGEST *lowp, *highp;
+{
+ CHECK_TYPEDEF (type);
+ switch (TYPE_CODE (type))
+ {
+ case TYPE_CODE_RANGE:
+ *lowp = TYPE_LOW_BOUND (type);
+ *highp = TYPE_HIGH_BOUND (type);
+ return 1;
+ case TYPE_CODE_ENUM:
+ if (TYPE_NFIELDS (type) > 0)
+ {
+ /* The enums may not be sorted by value, so search all
+ entries */
+ int i;
+
+ *lowp = *highp = TYPE_FIELD_BITPOS (type, 0);
+ for (i = 0; i < TYPE_NFIELDS (type); i++)
+ {
+ if (TYPE_FIELD_BITPOS (type, i) < *lowp)
+ *lowp = TYPE_FIELD_BITPOS (type, i);
+ if (TYPE_FIELD_BITPOS (type, i) > *highp)
+ *highp = TYPE_FIELD_BITPOS (type, i);
+ }
+ }
+ else
+ {
+ *lowp = 0;
+ *highp = -1;
+ }
+ return 0;
+ case TYPE_CODE_BOOL:
+ *lowp = 0;
+ *highp = 1;
+ return 0;
+ case TYPE_CODE_INT:
+ if (TYPE_LENGTH (type) > sizeof (LONGEST)) /* Too big */
+ return -1;
+ if (!TYPE_UNSIGNED (type))
+ {
+ *lowp = - (1 << (TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1));
+ *highp = -*lowp - 1;
+ return 0;
+ }
+ /* ... fall through for unsigned ints ... */
+ case TYPE_CODE_CHAR:
+ *lowp = 0;
+ /* This round-about calculation is to avoid shifting by
+ TYPE_LENGTH (type) * TARGET_CHAR_BIT, which will not work
+ if TYPE_LENGTH (type) == sizeof (LONGEST). */
+ *highp = 1 << (TYPE_LENGTH (type) * TARGET_CHAR_BIT - 1);
+ *highp = (*highp - 1) | *highp;
+ return 0;
+ default:
+ return -1;
+ }
+}
+
+/* Create an array type using either a blank type supplied in RESULT_TYPE,
+ or creating a new type, inheriting the objfile from RANGE_TYPE.
+
+ Elements will be of type ELEMENT_TYPE, the indices will be of type
+ RANGE_TYPE.
- result_type = alloc_type (TYPE_OBJFILE (element_type));
+ FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
+ sure it is TYPE_CODE_UNDEF before we bash it into an array type? */
+struct type *
+create_array_type (result_type, element_type, range_type)
+ struct type *result_type;
+ struct type *element_type;
+ struct type *range_type;
+{
+ LONGEST low_bound, high_bound;
+
+ if (result_type == NULL)
+ {
+ result_type = alloc_type (TYPE_OBJFILE (range_type));
+ }
TYPE_CODE (result_type) = TYPE_CODE_ARRAY;
TYPE_TARGET_TYPE (result_type) = element_type;
- TYPE_LENGTH (result_type) = number * TYPE_LENGTH (element_type);
+ if (get_discrete_bounds (range_type, &low_bound, &high_bound) < 0)
+ low_bound = high_bound = 0;
+ CHECK_TYPEDEF (element_type);
+ TYPE_LENGTH (result_type) =
+ TYPE_LENGTH (element_type) * (high_bound - low_bound + 1);
TYPE_NFIELDS (result_type) = 1;
- TYPE_FIELDS (result_type) = (struct field *)
- obstack_alloc (&TYPE_OBJFILE (result_type) -> type_obstack,
- sizeof (struct field));
-
- {
- /* Create range type. */
- range_type = alloc_type (TYPE_OBJFILE (result_type));
- TYPE_CODE (range_type) = TYPE_CODE_RANGE;
- TYPE_TARGET_TYPE (range_type) = builtin_type_int; /* FIXME */
-
- /* This should never be needed. */
- TYPE_LENGTH (range_type) = sizeof (int);
-
- TYPE_NFIELDS (range_type) = 2;
- TYPE_FIELDS (range_type) = (struct field *)
- obstack_alloc (&TYPE_OBJFILE (range_type) -> type_obstack,
- 2 * sizeof (struct field));
- TYPE_FIELD_BITPOS (range_type, 0) = 0; /* FIXME */
- TYPE_FIELD_BITPOS (range_type, 1) = number-1; /* FIXME */
- TYPE_FIELD_TYPE (range_type, 0) = builtin_type_int; /* FIXME */
- TYPE_FIELD_TYPE (range_type, 1) = builtin_type_int; /* FIXME */
- }
- TYPE_FIELD_TYPE(result_type,0)=range_type;
+ TYPE_FIELDS (result_type) =
+ (struct field *) TYPE_ALLOC (result_type, sizeof (struct field));
+ memset (TYPE_FIELDS (result_type), 0, sizeof (struct field));
+ TYPE_FIELD_TYPE (result_type, 0) = range_type;
TYPE_VPTR_FIELDNO (result_type) = -1;
+ /* TYPE_FLAG_TARGET_STUB will take care of zero length arrays */
+ if (TYPE_LENGTH (result_type) == 0)
+ TYPE_FLAGS (result_type) |= TYPE_FLAG_TARGET_STUB;
+
return (result_type);
}
+/* Create a string type using either a blank type supplied in RESULT_TYPE,
+ or creating a new type. String types are similar enough to array of
+ char types that we can use create_array_type to build the basic type
+ and then bash it into a string type.
+
+ For fixed length strings, the range type contains 0 as the lower
+ bound and the length of the string minus one as the upper bound.
+
+ FIXME: Maybe we should check the TYPE_CODE of RESULT_TYPE to make
+ sure it is TYPE_CODE_UNDEF before we bash it into a string type? */
+
+struct type *
+create_string_type (result_type, range_type)
+ struct type *result_type;
+ struct type *range_type;
+{
+ result_type = create_array_type (result_type,
+ *current_language->string_char_type,
+ range_type);
+ TYPE_CODE (result_type) = TYPE_CODE_STRING;
+ return (result_type);
+}
+
+struct type *
+create_set_type (result_type, domain_type)
+ struct type *result_type;
+ struct type *domain_type;
+{
+ LONGEST low_bound, high_bound, bit_length;
+ if (result_type == NULL)
+ {
+ result_type = alloc_type (TYPE_OBJFILE (domain_type));
+ }
+ TYPE_CODE (result_type) = TYPE_CODE_SET;
+ TYPE_NFIELDS (result_type) = 1;
+ TYPE_FIELDS (result_type) = (struct field *)
+ TYPE_ALLOC (result_type, 1 * sizeof (struct field));
+ memset (TYPE_FIELDS (result_type), 0, sizeof (struct field));
+
+ if (! (TYPE_FLAGS (domain_type) & TYPE_FLAG_STUB))
+ {
+ if (get_discrete_bounds (domain_type, &low_bound, &high_bound) < 0)
+ low_bound = high_bound = 0;
+ bit_length = high_bound - low_bound + 1;
+ TYPE_LENGTH (result_type)
+ = (bit_length + TARGET_CHAR_BIT - 1) / TARGET_CHAR_BIT;
+ }
+ TYPE_FIELD_TYPE (result_type, 0) = domain_type;
+ return (result_type);
+}
/* Smash TYPE to be a type of members of DOMAIN with type TO_TYPE.
A MEMBER is a wierd thing -- it amounts to a typed offset into
include the offset (that's the value of the MEMBER itself), but does
include the structure type into which it points (for some reason).
- FIXME: When "smashing" the type, we preserve the objfile that the
+ When "smashing" the type, we preserve the objfile that the
old type pointed to, since we aren't changing where the type is actually
- allocated. If the two types aren't associated with the same objfile,
- then we are in deep-s**t anyway... */
+ allocated. */
void
smash_to_member_type (type, domain, to_type)
objfile = TYPE_OBJFILE (type);
- (void) memset ((char *)type, 0, sizeof (struct type));
+ memset ((char *) type, 0, sizeof (struct type));
TYPE_OBJFILE (type) = objfile;
TYPE_TARGET_TYPE (type) = to_type;
TYPE_DOMAIN_TYPE (type) = domain;
/* Smash TYPE to be a type of method of DOMAIN with type TO_TYPE.
METHOD just means `function that gets an extra "this" argument'.
- FIXME: When "smashing" the type, we preserve the objfile that the
+ When "smashing" the type, we preserve the objfile that the
old type pointed to, since we aren't changing where the type is actually
- allocated. If the two types aren't associated with the same objfile,
- then we are in deep-s**t anyway... */
+ allocated. */
void
smash_to_method_type (type, domain, to_type, args)
objfile = TYPE_OBJFILE (type);
- (void) memset ((char *)type, 0, sizeof (struct type));
+ memset ((char *) type, 0, sizeof (struct type));
TYPE_OBJFILE (type) = objfile;
TYPE_TARGET_TYPE (type) = to_type;
TYPE_DOMAIN_TYPE (type) = domain;
TYPE_CODE (type) = TYPE_CODE_METHOD;
}
-/* Return a typename for a struct/union/enum type
- without the tag qualifier. If the type has a NULL name,
- NULL is returned. */
+/* Return a typename for a struct/union/enum type without "struct ",
+ "union ", or "enum ". If the type has a NULL name, return NULL. */
char *
type_name_no_tag (type)
register const struct type *type;
{
- register char *name;
+ if (TYPE_TAG_NAME (type) != NULL)
+ return TYPE_TAG_NAME (type);
- if ((name = TYPE_NAME (type)) != NULL)
- {
- switch (TYPE_CODE (type))
- {
- case TYPE_CODE_STRUCT:
- if(!strncmp (name, "struct ", 7))
- {
- name += 7;
- }
- break;
- case TYPE_CODE_UNION:
- if(!strncmp (name, "union ", 6))
- {
- name += 6;
- }
- break;
- case TYPE_CODE_ENUM:
- if(!strncmp (name, "enum ", 5))
- {
- name += 5;
- }
- break;
- }
- }
- return (name);
+ /* Is there code which expects this to return the name if there is no
+ tag name? My guess is that this is mainly used for C++ in cases where
+ the two will always be the same. */
+ return TYPE_NAME (type);
}
/* Lookup a primitive type named NAME.
for (p = current_language -> la_builtin_type_vector; *p != NULL; p++)
{
- if (!strcmp ((**p) -> name, name))
+ if (STREQ ((**p) -> name, name))
{
return (**p);
}
return (lookup_typename (uns, (struct block *) NULL, 0));
}
+struct type *
+lookup_signed_typename (name)
+ char *name;
+{
+ struct type *t;
+ char *uns = alloca (strlen (name) + 8);
+
+ strcpy (uns, "signed ");
+ strcpy (uns + 7, name);
+ t = lookup_typename (uns, (struct block *) NULL, 1);
+ /* If we don't find "signed FOO" just try again with plain "FOO". */
+ if (t != NULL)
+ return t;
+ return lookup_typename (name, (struct block *) NULL, 0);
+}
+
/* Lookup a structure type named "struct NAME",
visible in lexical block BLOCK. */
return (SYMBOL_TYPE (sym));
}
-/* Given a type TYPE, lookup the type of the component of type named
- NAME.
- If NOERR is nonzero, return zero if NAME is not suitably defined. */
+/* Given a type TYPE, lookup the type of the component of type named NAME.
+
+ TYPE can be either a struct or union, or a pointer or reference to a struct or
+ union. If it is a pointer or reference, its target type is automatically used.
+ Thus '.' and '->' are interchangable, as specified for the definitions of the
+ expression element types STRUCTOP_STRUCT and STRUCTOP_PTR.
+
+ If NOERR is nonzero, return zero if NAME is not suitably defined.
+ If NAME is the name of a baseclass type, return that type. */
struct type *
lookup_struct_elt_type (type, name, noerr)
{
int i;
+ for (;;)
+ {
+ CHECK_TYPEDEF (type);
+ if (TYPE_CODE (type) != TYPE_CODE_PTR
+ && TYPE_CODE (type) != TYPE_CODE_REF)
+ break;
+ type = TYPE_TARGET_TYPE (type);
+ }
+
if (TYPE_CODE (type) != TYPE_CODE_STRUCT &&
TYPE_CODE (type) != TYPE_CODE_UNION)
{
target_terminal_ours ();
- fflush (stdout);
- fprintf (stderr, "Type ");
- type_print (type, "", stderr, -1);
+ gdb_flush (gdb_stdout);
+ fprintf_unfiltered (gdb_stderr, "Type ");
+ type_print (type, "", gdb_stderr, -1);
error (" is not a structure or union type.");
}
- check_stub_type (type);
+#if 0
+ /* FIXME: This change put in by Michael seems incorrect for the case where
+ the structure tag name is the same as the member name. I.E. when doing
+ "ptype bell->bar" for "struct foo { int bar; int foo; } bell;"
+ Disabled by fnf. */
+ {
+ char *typename;
+
+ typename = type_name_no_tag (type);
+ if (typename != NULL && STREQ (typename, name))
+ return type;
+ }
+#endif
for (i = TYPE_NFIELDS (type) - 1; i >= TYPE_N_BASECLASSES (type); i--)
{
char *t_field_name = TYPE_FIELD_NAME (type, i);
- if (t_field_name && !strcmp (t_field_name, name))
+ if (t_field_name && STREQ (t_field_name, name))
{
return TYPE_FIELD_TYPE (type, i);
}
{
struct type *t;
- t = lookup_struct_elt_type (TYPE_BASECLASS (type, i), name, 0);
+ t = lookup_struct_elt_type (TYPE_BASECLASS (type, i), name, noerr);
if (t != NULL)
{
return t;
}
target_terminal_ours ();
- fflush (stdout);
- fprintf (stderr, "Type ");
- type_print (type, "", stderr, -1);
- fprintf (stderr, " has no component named ");
- fputs_filtered (name, stderr);
+ gdb_flush (gdb_stdout);
+ fprintf_unfiltered (gdb_stderr, "Type ");
+ type_print (type, "", gdb_stderr, -1);
+ fprintf_unfiltered (gdb_stderr, " has no component named ");
+ fputs_filtered (name, gdb_stderr);
error (".");
return (struct type *)-1; /* For lint */
}
-/* This function is really horrible, but to avoid it, there would need
- to be more filling in of forward references. */
+/* If possible, make the vptr_fieldno and vptr_basetype fields of TYPE
+ valid. Callers should be aware that in some cases (for example,
+ the type or one of its baseclasses is a stub type and we are
+ debugging a .o file), this function will not be able to find the virtual
+ function table pointer, and vptr_fieldno will remain -1 and vptr_basetype
+ will remain NULL. */
void
fill_in_vptr_fieldno (type)
struct type *type;
{
+ CHECK_TYPEDEF (type);
+
if (TYPE_VPTR_FIELDNO (type) < 0)
{
int i;
- for (i = 1; i < TYPE_N_BASECLASSES (type); i++)
+
+ /* We must start at zero in case the first (and only) baseclass is
+ virtual (and hence we cannot share the table pointer). */
+ for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
{
fill_in_vptr_fieldno (TYPE_BASECLASS (type, i));
if (TYPE_VPTR_FIELDNO (TYPE_BASECLASS (type, i)) >= 0)
If this is a stubbed struct (i.e. declared as struct foo *), see if
we can find a full definition in some other file. If so, copy this
- definition, so we can use it in future. If not, set a flag so we
- don't waste too much time in future. (FIXME, this doesn't seem
- to be happening...)
+ definition, so we can use it in future. There used to be a comment (but
+ not any code) that if we don't find a full definition, we'd set a flag
+ so we don't spend time in the future checking the same type. That would
+ be a mistake, though--we might load in more symbols which contain a
+ full definition for the type.
This used to be coded as a macro, but I don't think it is called
- often enough to merit such treatment.
-*/
+ often enough to merit such treatment. */
struct complaint stub_noname_complaint =
{"stub type has NULL name", 0, 0};
-void
-check_stub_type (type)
- struct type *type;
+struct type *
+check_typedef (type)
+ register struct type *type;
{
- if (TYPE_FLAGS(type) & TYPE_FLAG_STUB)
+ struct type *orig_type = type;
+ while (TYPE_CODE (type) == TYPE_CODE_TYPEDEF)
+ {
+ if (!TYPE_TARGET_TYPE (type))
+ {
+ char* name;
+ struct symbol *sym;
+
+ /* It is dangerous to call lookup_symbol if we are currently
+ reading a symtab. Infinite recursion is one danger. */
+ if (currently_reading_symtab)
+ return type;
+
+ name = type_name_no_tag (type);
+ /* FIXME: shouldn't we separately check the TYPE_NAME and the
+ TYPE_TAG_NAME, and look in STRUCT_NAMESPACE and/or VAR_NAMESPACE
+ as appropriate? (this code was written before TYPE_NAME and
+ TYPE_TAG_NAME were separate). */
+ if (name == NULL)
+ {
+ complain (&stub_noname_complaint);
+ return type;
+ }
+ sym = lookup_symbol (name, 0, STRUCT_NAMESPACE, 0,
+ (struct symtab **) NULL);
+ if (sym)
+ TYPE_TARGET_TYPE (type) = SYMBOL_TYPE (sym);
+ else
+ TYPE_TARGET_TYPE (type) = alloc_type (NULL); /* TYPE_CODE_UNDEF */
+ }
+ type = TYPE_TARGET_TYPE (type);
+ }
+
+ if ((TYPE_FLAGS(type) & TYPE_FLAG_STUB) && ! currently_reading_symtab)
{
char* name = type_name_no_tag (type);
+ /* FIXME: shouldn't we separately check the TYPE_NAME and the
+ TYPE_TAG_NAME, and look in STRUCT_NAMESPACE and/or VAR_NAMESPACE
+ as appropriate? (this code was written before TYPE_NAME and
+ TYPE_TAG_NAME were separate). */
struct symbol *sym;
if (name == NULL)
{
- complain (&stub_noname_complaint, 0);
- return;
+ complain (&stub_noname_complaint);
+ return type;
}
sym = lookup_symbol (name, 0, STRUCT_NAMESPACE, 0,
(struct symtab **) NULL);
if (sym)
{
- memcpy ((char *)type, (char *)SYMBOL_TYPE(sym), sizeof (struct type));
+ memcpy ((char *)type,
+ (char *)SYMBOL_TYPE(sym),
+ sizeof (struct type));
}
}
+
+ if (TYPE_FLAGS (type) & TYPE_FLAG_TARGET_STUB)
+ {
+ struct type *range_type;
+ struct type *target_type = check_typedef (TYPE_TARGET_TYPE (type));
+
+ if (TYPE_FLAGS (target_type) & TYPE_FLAG_STUB)
+ { }
+ else if (TYPE_CODE (type) == TYPE_CODE_ARRAY
+ && TYPE_NFIELDS (type) == 1
+ && (TYPE_CODE (range_type = TYPE_FIELD_TYPE (type, 0))
+ == TYPE_CODE_RANGE))
+ {
+ /* Now recompute the length of the array type, based on its
+ number of elements and the target type's length. */
+ TYPE_LENGTH (type) =
+ ((TYPE_FIELD_BITPOS (range_type, 1)
+ - TYPE_FIELD_BITPOS (range_type, 0)
+ + 1)
+ * TYPE_LENGTH (target_type));
+ TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB;
+ }
+ else if (TYPE_CODE (type) == TYPE_CODE_RANGE)
+ {
+ TYPE_LENGTH (type) = TYPE_LENGTH (target_type);
+ TYPE_FLAGS (type) &= ~TYPE_FLAG_TARGET_STUB;
+ }
+ }
+ /* Cache TYPE_LENGTH for future use. */
+ TYPE_LENGTH (orig_type) = TYPE_LENGTH (type);
+ return type;
+}
+
+/* New code added to support parsing of Cfront stabs strings */
+#include <ctype.h>
+#define INIT_EXTRA { pextras->len=0; pextras->str[0]='\0'; }
+#define ADD_EXTRA(c) { pextras->str[pextras->len++]=c; }
+
+static void
+add_name(pextras,n)
+ struct extra * pextras;
+ char * n;
+{
+ int nlen;
+
+ if ((nlen = (n ? strlen(n) : 0))==0)
+ return;
+ sprintf(pextras->str+pextras->len,"%d%s",nlen,n);
+ pextras->len=strlen(pextras->str);
}
+static void
+add_mangled_type(pextras,t)
+ struct extra * pextras;
+ struct type * t;
+{
+ enum type_code tcode;
+ int tlen, tflags;
+ char * tname;
+
+ tcode = TYPE_CODE(t);
+ tlen = TYPE_LENGTH(t);
+ tflags = TYPE_FLAGS(t);
+ tname = TYPE_NAME(t);
+ /* args of "..." seem to get mangled as "e" */
+
+ switch (tcode)
+ {
+ case TYPE_CODE_INT:
+ if (tflags==1)
+ ADD_EXTRA('U');
+ switch (tlen)
+ {
+ case 1:
+ ADD_EXTRA('c');
+ break;
+ case 2:
+ ADD_EXTRA('s');
+ break;
+ case 4:
+ {
+ char* pname;
+ if ((pname=strrchr(tname,'l'),pname) && !strcmp(pname,"long"))
+ ADD_EXTRA('l')
+ else
+ ADD_EXTRA('i')
+ }
+ break;
+ default:
+ {
+
+ static struct complaint msg = {"Bad int type code length x%x\n",0,0};
+
+ complain (&msg, tlen);
+
+ }
+ }
+ break;
+ case TYPE_CODE_FLT:
+ switch (tlen)
+ {
+ case 4:
+ ADD_EXTRA('f');
+ break;
+ case 8:
+ ADD_EXTRA('d');
+ break;
+ case 16:
+ ADD_EXTRA('r');
+ break;
+ default:
+ {
+ static struct complaint msg = {"Bad float type code length x%x\n",0,0};
+ complain (&msg, tlen);
+ }
+ }
+ break;
+ case TYPE_CODE_REF:
+ ADD_EXTRA('R');
+ /* followed by what it's a ref to */
+ break;
+ case TYPE_CODE_PTR:
+ ADD_EXTRA('P');
+ /* followed by what it's a ptr to */
+ break;
+ case TYPE_CODE_TYPEDEF:
+ {
+ static struct complaint msg = {"Typedefs in overloaded functions not yet supported\n",0,0};
+ complain (&msg);
+ }
+ /* followed by type bytes & name */
+ break;
+ case TYPE_CODE_FUNC:
+ ADD_EXTRA('F');
+ /* followed by func's arg '_' & ret types */
+ break;
+ case TYPE_CODE_VOID:
+ ADD_EXTRA('v');
+ break;
+ case TYPE_CODE_METHOD:
+ ADD_EXTRA('M');
+ /* followed by name of class and func's arg '_' & ret types */
+ add_name(pextras,tname);
+ ADD_EXTRA('F'); /* then mangle function */
+ break;
+ case TYPE_CODE_STRUCT: /* C struct */
+ case TYPE_CODE_UNION: /* C union */
+ case TYPE_CODE_ENUM: /* Enumeration type */
+ /* followed by name of type */
+ add_name(pextras,tname);
+ break;
+
+ /* errors possible types/not supported */
+ case TYPE_CODE_CHAR:
+ case TYPE_CODE_ARRAY: /* Array type */
+ case TYPE_CODE_MEMBER: /* Member type */
+ case TYPE_CODE_BOOL:
+ case TYPE_CODE_COMPLEX: /* Complex float */
+ case TYPE_CODE_UNDEF:
+ case TYPE_CODE_SET: /* Pascal sets */
+ case TYPE_CODE_RANGE:
+ case TYPE_CODE_STRING:
+ case TYPE_CODE_BITSTRING:
+ case TYPE_CODE_ERROR:
+ default:
+ {
+ static struct complaint msg = {"Unknown type code x%x\n",0,0};
+ complain (&msg, tcode);
+ }
+ }
+ if (t->target_type)
+ add_mangled_type(pextras,t->target_type);
+}
+
+#if 0
+void
+cfront_mangle_name(type, i, j)
+ struct type *type;
+ int i;
+ int j;
+{
+ struct fn_field *f;
+ char *mangled_name = gdb_mangle_name (type, i, j);
+
+ f = TYPE_FN_FIELDLIST1 (type, i); /* moved from below */
+
+ /* kludge to support cfront methods - gdb expects to find "F" for
+ ARM_mangled names, so when we mangle, we have to add it here */
+ if (ARM_DEMANGLING)
+ {
+ int k;
+ char * arm_mangled_name;
+ struct fn_field *method = &f[j];
+ char *field_name = TYPE_FN_FIELDLIST_NAME (type, i);
+ char *physname = TYPE_FN_FIELD_PHYSNAME (f, j);
+ char *newname = type_name_no_tag (type);
+
+ struct type *ftype = TYPE_FN_FIELD_TYPE (f, j);
+ int nargs = TYPE_NFIELDS(ftype); /* number of args */
+ struct extra extras, * pextras = &extras;
+ INIT_EXTRA
+
+ if (TYPE_FN_FIELD_STATIC_P (f, j)) /* j for sublist within this list */
+ ADD_EXTRA('S')
+ ADD_EXTRA('F')
+ /* add args here! */
+ if (nargs <= 1) /* no args besides this */
+ ADD_EXTRA('v')
+ else {
+ for (k=1; k<nargs; k++)
+ {
+ struct type * t;
+ t = TYPE_FIELD_TYPE(ftype,k);
+ add_mangled_type(pextras,t);
+ }
+ }
+ ADD_EXTRA('\0')
+ printf("add_mangled_type: %s\n",extras.str); /* FIXME */
+ arm_mangled_name = malloc(strlen(mangled_name)+extras.len);
+ sprintf(arm_mangled_name,"%s%s",mangled_name,extras.str);
+ free(mangled_name);
+ mangled_name = arm_mangled_name;
+ }
+}
+#endif /* 0 */
+
+#undef ADD_EXTRA
+/* End of new code added to support parsing of Cfront stabs strings */
+
/* Ugly hack to convert method stubs into method types.
He ain't kiddin'. This demangles the name of the method into a string
{
struct fn_field *f;
char *mangled_name = gdb_mangle_name (type, i, j);
- char *demangled_name = cplus_demangle (mangled_name, 0);
+ char *demangled_name = cplus_demangle (mangled_name,
+ DMGL_PARAMS | DMGL_ANSI);
char *argtypetext, *p;
int depth = 0, argcount = 1;
struct type **argtypes;
struct type *mtype;
- if (demangled_name == NULL)
- {
- error ("Internal: Cannot demangle mangled name `%s'.", mangled_name);
- }
+ /* Make sure we got back a function string that we can use. */
+ if (demangled_name)
+ p = strchr (demangled_name, '(');
+
+ if (demangled_name == NULL || p == NULL)
+ error ("Internal: Cannot demangle mangled name `%s'.", mangled_name);
/* Now, read in the parameters that define this type. */
- argtypetext = strchr (demangled_name, '(') + 1;
- p = argtypetext;
+ p += 1;
+ argtypetext = p;
while (*p)
{
if (*p == '(')
NULL [...] or void [end of arglist]. */
argtypes = (struct type **)
- obstack_alloc (&TYPE_OBJFILE (type) -> type_obstack,
- (argcount+2) * sizeof (struct type *));
+ TYPE_ALLOC (type, (argcount + 2) * sizeof (struct type *));
p = argtypetext;
+ /* FIXME: This is wrong for static member functions. */
argtypes[0] = lookup_pointer_type (type);
argcount = 1;
{
if (depth <= 0 && (*p == ',' || *p == ')'))
{
- argtypes[argcount] =
- parse_and_eval_type (argtypetext, p - argtypetext);
- argcount += 1;
+ /* Avoid parsing of ellipsis, they will be handled below. */
+ if (strncmp (argtypetext, "...", p - argtypetext) != 0)
+ {
+ argtypes[argcount] =
+ parse_and_eval_type (argtypetext, p - argtypetext);
+ argcount += 1;
+ }
argtypetext = p + 1;
}
}
}
- if (p[-2] != '.') /* ... */
+ if (p[-2] != '.') /* Not '...' */
{
- argtypes[argcount] = builtin_type_void; /* Ellist terminator */
+ argtypes[argcount] = builtin_type_void; /* List terminator */
}
else
{
- argtypes[argcount] = NULL; /* List terminator */
+ argtypes[argcount] = NULL; /* Ellist terminator */
}
free (demangled_name);
- f = TYPE_FN_FIELDLIST1 (type, i);
+ f = TYPE_FN_FIELDLIST1 (type, i);
+
TYPE_FN_FIELD_PHYSNAME (f, j) = mangled_name;
/* Now update the old "stub" type into a real type. */
if (!HAVE_CPLUS_STRUCT (type))
{
TYPE_CPLUS_SPECIFIC (type) = (struct cplus_struct_type *)
- obstack_alloc (¤t_objfile -> type_obstack,
- sizeof (struct cplus_struct_type));
+ TYPE_ALLOC (type, sizeof (struct cplus_struct_type));
*(TYPE_CPLUS_SPECIFIC(type)) = cplus_struct_default;
}
}
-/* Helper function to initialize the standard scalar types. */
+/* Helper function to initialize the standard scalar types.
+
+ If NAME is non-NULL and OBJFILE is non-NULL, then we make a copy
+ of the string pointed to by name in the type_obstack for that objfile,
+ and initialize the type name to that copy. There are places (mipsread.c
+ in particular, where init_type is called with a NULL value for NAME). */
struct type *
init_type (code, length, flags, name, objfile)
TYPE_CODE (type) = code;
TYPE_LENGTH (type) = length;
TYPE_FLAGS (type) |= flags;
- TYPE_NAME (type) = name;
+ if ((name != NULL) && (objfile != NULL))
+ {
+ TYPE_NAME (type) =
+ obsavestring (name, strlen (name), &objfile -> type_obstack);
+ }
+ else
+ {
+ TYPE_NAME (type) = name;
+ }
/* C++ fancies. */
define fundamental types.
For the formats which don't provide fundamental types, gdb can create
- such types, using defaults reasonable for the current target machine. */
+ such types, using defaults reasonable for the current language and
+ the current target machine.
+
+ NOTE: This routine is obsolescent. Each debugging format reader
+ should manage it's own fundamental types, either creating them from
+ suitable defaults or reading them from the debugging information,
+ whichever is appropriate. The DWARF reader has already been
+ fixed to do this. Once the other readers are fixed, this routine
+ will go away. Also note that fundamental types should be managed
+ on a compilation unit basis in a multi-language environment, not
+ on a linkage unit basis as is done here. */
+
struct type *
lookup_fundamental_type (objfile, typeid)
struct objfile *objfile;
int typeid;
{
- register struct type *type = NULL;
register struct type **typep;
register int nbytes;
{
error ("internal error - invalid fundamental type id %d", typeid);
}
- else
+
+ /* If this is the first time we need a fundamental type for this objfile
+ then we need to initialize the vector of type pointers. */
+
+ if (objfile -> fundamental_types == NULL)
+ {
+ nbytes = FT_NUM_MEMBERS * sizeof (struct type *);
+ objfile -> fundamental_types = (struct type **)
+ obstack_alloc (&objfile -> type_obstack, nbytes);
+ memset ((char *) objfile -> fundamental_types, 0, nbytes);
+ OBJSTAT (objfile, n_types += FT_NUM_MEMBERS);
+ }
+
+ /* Look for this particular type in the fundamental type vector. If one is
+ not found, create and install one appropriate for the current language. */
+
+ typep = objfile -> fundamental_types + typeid;
+ if (*typep == NULL)
+ {
+ *typep = create_fundamental_type (objfile, typeid);
+ }
+
+ return (*typep);
+}
+
+int
+can_dereference (t)
+ struct type *t;
+{
+ /* FIXME: Should we return true for references as well as pointers? */
+ CHECK_TYPEDEF (t);
+ return
+ (t != NULL
+ && TYPE_CODE (t) == TYPE_CODE_PTR
+ && TYPE_CODE (TYPE_TARGET_TYPE (t)) != TYPE_CODE_VOID);
+}
+
+/* Chill varying string and arrays are represented as follows:
+
+ struct { int __var_length; ELEMENT_TYPE[MAX_SIZE] __var_data};
+
+ Return true if TYPE is such a Chill varying type. */
+
+int
+chill_varying_type (type)
+ struct type *type;
+{
+ if (TYPE_CODE (type) != TYPE_CODE_STRUCT
+ || TYPE_NFIELDS (type) != 2
+ || strcmp (TYPE_FIELD_NAME (type, 0), "__var_length") != 0)
+ return 0;
+ return 1;
+}
+
+#if MAINTENANCE_CMDS
+
+static void
+print_bit_vector (bits, nbits)
+ B_TYPE *bits;
+ int nbits;
+{
+ int bitno;
+
+ for (bitno = 0; bitno < nbits; bitno++)
{
- /* If this is the first time we */
- if (objfile -> fundamental_types == NULL)
+ if ((bitno % 8) == 0)
{
- nbytes = FT_NUM_MEMBERS * sizeof (struct type *);
- objfile -> fundamental_types = (struct type **)
- obstack_alloc (&objfile -> type_obstack, nbytes);
- (void) memset ((char *)objfile -> fundamental_types, 0, nbytes);
+ puts_filtered (" ");
}
- typep = objfile -> fundamental_types + typeid;
- if ((type = *typep) == NULL)
+ if (B_TST (bits, bitno))
+ {
+ printf_filtered ("1");
+ }
+ else
{
- switch (typeid)
+ printf_filtered ("0");
+ }
+ }
+}
+
+/* The args list is a strange beast. It is either terminated by a NULL
+ pointer for varargs functions, or by a pointer to a TYPE_CODE_VOID
+ type for normal fixed argcount functions. (FIXME someday)
+ Also note the first arg should be the "this" pointer, we may not want to
+ include it since we may get into a infinitely recursive situation. */
+
+static void
+print_arg_types (args, spaces)
+ struct type **args;
+ int spaces;
+{
+ if (args != NULL)
+ {
+ while (*args != NULL)
+ {
+ recursive_dump_type (*args, spaces + 2);
+ if ((*args++) -> code == TYPE_CODE_VOID)
{
- default:
- error ("internal error: unhandled type id %d", typeid);
- break;
- case FT_VOID:
- type = init_type (TYPE_CODE_VOID,
- TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- 0,
- "void", objfile);
- break;
- case FT_BOOLEAN:
- type = init_type (TYPE_CODE_INT,
- TARGET_INT_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED,
- "boolean", (struct objfile *) NULL);
- break;
- case FT_STRING:
- type = init_type (TYPE_CODE_PASCAL_ARRAY,
- TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- 0,
- "string", (struct objfile *) NULL);
- break;
- case FT_CHAR:
- type = init_type (TYPE_CODE_INT,
- TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- 0,
- "char", (struct objfile *) NULL);
- break;
- case FT_SIGNED_CHAR:
- type = init_type (TYPE_CODE_INT,
- TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_SIGNED,
- "signed char", (struct objfile *) NULL);
- break;
- case FT_UNSIGNED_CHAR:
- type = init_type (TYPE_CODE_INT,
- TARGET_CHAR_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED,
- "unsigned char", (struct objfile *) NULL);
- break;
- case FT_SHORT:
- type = init_type (TYPE_CODE_INT,
- TARGET_SHORT_BIT / TARGET_CHAR_BIT,
- 0,
- "short", (struct objfile *) NULL);
- break;
- case FT_SIGNED_SHORT:
- type = init_type (TYPE_CODE_INT,
- TARGET_SHORT_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_SIGNED,
- "signed short", (struct objfile *) NULL);
- break;
- case FT_UNSIGNED_SHORT:
- type = init_type (TYPE_CODE_INT,
- TARGET_SHORT_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED,
- "unsigned short", (struct objfile *) NULL);
- break;
- case FT_INTEGER:
- type = init_type (TYPE_CODE_INT,
- TARGET_INT_BIT / TARGET_CHAR_BIT,
- 0,
- "int", (struct objfile *) NULL);
- break;
- case FT_SIGNED_INTEGER:
- type = init_type (TYPE_CODE_INT,
- TARGET_INT_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_SIGNED,
- "signed int", (struct objfile *) NULL);
- break;
- case FT_UNSIGNED_INTEGER:
- type = init_type (TYPE_CODE_INT,
- TARGET_INT_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED,
- "unsigned int", (struct objfile *) NULL);
- break;
- case FT_LONG:
- type = init_type (TYPE_CODE_INT,
- TARGET_LONG_BIT / TARGET_CHAR_BIT,
- 0,
- "long", (struct objfile *) NULL);
- break;
- case FT_SIGNED_LONG:
- type = init_type (TYPE_CODE_INT,
- TARGET_LONG_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_SIGNED,
- "signed long", (struct objfile *) NULL);
- break;
- case FT_UNSIGNED_LONG:
- type = init_type (TYPE_CODE_INT,
- TARGET_LONG_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED,
- "unsigned long", (struct objfile *) NULL);
- break;
- case FT_LONG_LONG:
- type = init_type (TYPE_CODE_INT,
- TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
- 0,
- "long long", (struct objfile *) NULL);
- break;
- case FT_SIGNED_LONG_LONG:
- type = init_type (TYPE_CODE_INT,
- TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_SIGNED,
- "signed long long", (struct objfile *) NULL);
- break;
- case FT_UNSIGNED_LONG_LONG:
- type = init_type (TYPE_CODE_INT,
- TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
- TYPE_FLAG_UNSIGNED,
- "unsigned long long",
- (struct objfile *) NULL);
- break;
- case FT_FLOAT:
- type = init_type (TYPE_CODE_FLT,
- TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
- 0,
- "float", (struct objfile *) NULL);
- break;
- case FT_DBL_PREC_FLOAT:
- type = init_type (TYPE_CODE_FLT,
- TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
- 0,
- "double", (struct objfile *) NULL);
- break;
- case FT_EXT_PREC_FLOAT:
- type = init_type (TYPE_CODE_FLT,
- TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
- 0,
- "long double", (struct objfile *) NULL);
- break;
- case FT_COMPLEX:
- type = init_type (TYPE_CODE_FLT,
- TARGET_COMPLEX_BIT / TARGET_CHAR_BIT,
- 0,
- "complex", (struct objfile *) NULL);
- break;
- case FT_DBL_PREC_COMPLEX:
- type = init_type (TYPE_CODE_FLT,
- TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT,
- 0,
- "double complex", (struct objfile *) NULL);
- break;
- case FT_EXT_PREC_COMPLEX:
- type = init_type (TYPE_CODE_FLT,
- TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT,
- 0,
- "long double complex",
- (struct objfile *) NULL);
- break;
+ break;
}
- /* Install the newly created type in the objfile's fundamental_types
- vector. */
- *typep = type;
}
}
- return (type);
}
+static void
+dump_fn_fieldlists (type, spaces)
+ struct type *type;
+ int spaces;
+{
+ int method_idx;
+ int overload_idx;
+ struct fn_field *f;
+
+ printfi_filtered (spaces, "fn_fieldlists ");
+ gdb_print_address (TYPE_FN_FIELDLISTS (type), gdb_stdout);
+ printf_filtered ("\n");
+ for (method_idx = 0; method_idx < TYPE_NFN_FIELDS (type); method_idx++)
+ {
+ f = TYPE_FN_FIELDLIST1 (type, method_idx);
+ printfi_filtered (spaces + 2, "[%d] name '%s' (",
+ method_idx,
+ TYPE_FN_FIELDLIST_NAME (type, method_idx));
+ gdb_print_address (TYPE_FN_FIELDLIST_NAME (type, method_idx),
+ gdb_stdout);
+ printf_filtered (") length %d\n",
+ TYPE_FN_FIELDLIST_LENGTH (type, method_idx));
+ for (overload_idx = 0;
+ overload_idx < TYPE_FN_FIELDLIST_LENGTH (type, method_idx);
+ overload_idx++)
+ {
+ printfi_filtered (spaces + 4, "[%d] physname '%s' (",
+ overload_idx,
+ TYPE_FN_FIELD_PHYSNAME (f, overload_idx));
+ gdb_print_address (TYPE_FN_FIELD_PHYSNAME (f, overload_idx),
+ gdb_stdout);
+ printf_filtered (")\n");
+ printfi_filtered (spaces + 8, "type ");
+ gdb_print_address (TYPE_FN_FIELD_TYPE (f, overload_idx), gdb_stdout);
+ printf_filtered ("\n");
+
+ recursive_dump_type (TYPE_FN_FIELD_TYPE (f, overload_idx),
+ spaces + 8 + 2);
+
+ printfi_filtered (spaces + 8, "args ");
+ gdb_print_address (TYPE_FN_FIELD_ARGS (f, overload_idx), gdb_stdout);
+ printf_filtered ("\n");
+
+ print_arg_types (TYPE_FN_FIELD_ARGS (f, overload_idx), spaces);
+ printfi_filtered (spaces + 8, "fcontext ");
+ gdb_print_address (TYPE_FN_FIELD_FCONTEXT (f, overload_idx),
+ gdb_stdout);
+ printf_filtered ("\n");
+
+ printfi_filtered (spaces + 8, "is_const %d\n",
+ TYPE_FN_FIELD_CONST (f, overload_idx));
+ printfi_filtered (spaces + 8, "is_volatile %d\n",
+ TYPE_FN_FIELD_VOLATILE (f, overload_idx));
+ printfi_filtered (spaces + 8, "is_private %d\n",
+ TYPE_FN_FIELD_PRIVATE (f, overload_idx));
+ printfi_filtered (spaces + 8, "is_protected %d\n",
+ TYPE_FN_FIELD_PROTECTED (f, overload_idx));
+ printfi_filtered (spaces + 8, "is_stub %d\n",
+ TYPE_FN_FIELD_STUB (f, overload_idx));
+ printfi_filtered (spaces + 8, "voffset %u\n",
+ TYPE_FN_FIELD_VOFFSET (f, overload_idx));
+ }
+ }
+}
+
+static void
+print_cplus_stuff (type, spaces)
+ struct type *type;
+ int spaces;
+{
+ printfi_filtered (spaces, "n_baseclasses %d\n",
+ TYPE_N_BASECLASSES (type));
+ printfi_filtered (spaces, "nfn_fields %d\n",
+ TYPE_NFN_FIELDS (type));
+ printfi_filtered (spaces, "nfn_fields_total %d\n",
+ TYPE_NFN_FIELDS_TOTAL (type));
+ if (TYPE_N_BASECLASSES (type) > 0)
+ {
+ printfi_filtered (spaces, "virtual_field_bits (%d bits at *",
+ TYPE_N_BASECLASSES (type));
+ gdb_print_address (TYPE_FIELD_VIRTUAL_BITS (type), gdb_stdout);
+ printf_filtered (")");
+
+ print_bit_vector (TYPE_FIELD_VIRTUAL_BITS (type),
+ TYPE_N_BASECLASSES (type));
+ puts_filtered ("\n");
+ }
+ if (TYPE_NFIELDS (type) > 0)
+ {
+ if (TYPE_FIELD_PRIVATE_BITS (type) != NULL)
+ {
+ printfi_filtered (spaces, "private_field_bits (%d bits at *",
+ TYPE_NFIELDS (type));
+ gdb_print_address (TYPE_FIELD_PRIVATE_BITS (type), gdb_stdout);
+ printf_filtered (")");
+ print_bit_vector (TYPE_FIELD_PRIVATE_BITS (type),
+ TYPE_NFIELDS (type));
+ puts_filtered ("\n");
+ }
+ if (TYPE_FIELD_PROTECTED_BITS (type) != NULL)
+ {
+ printfi_filtered (spaces, "protected_field_bits (%d bits at *",
+ TYPE_NFIELDS (type));
+ gdb_print_address (TYPE_FIELD_PROTECTED_BITS (type), gdb_stdout);
+ printf_filtered (")");
+ print_bit_vector (TYPE_FIELD_PROTECTED_BITS (type),
+ TYPE_NFIELDS (type));
+ puts_filtered ("\n");
+ }
+ }
+ if (TYPE_NFN_FIELDS (type) > 0)
+ {
+ dump_fn_fieldlists (type, spaces);
+ }
+}
+
+static struct obstack dont_print_type_obstack;
+
+void
+recursive_dump_type (type, spaces)
+ struct type *type;
+ int spaces;
+{
+ int idx;
+
+ if (spaces == 0)
+ obstack_begin (&dont_print_type_obstack, 0);
+
+ if (TYPE_NFIELDS (type) > 0
+ || (TYPE_CPLUS_SPECIFIC (type) && TYPE_NFN_FIELDS (type) > 0))
+ {
+ struct type **first_dont_print
+ = (struct type **)obstack_base (&dont_print_type_obstack);
+
+ int i = (struct type **)obstack_next_free (&dont_print_type_obstack)
+ - first_dont_print;
+
+ while (--i >= 0)
+ {
+ if (type == first_dont_print[i])
+ {
+ printfi_filtered (spaces, "type node ");
+ gdb_print_address (type, gdb_stdout);
+ printf_filtered (" <same as already seen type>\n");
+ return;
+ }
+ }
+
+ obstack_ptr_grow (&dont_print_type_obstack, type);
+ }
+
+ printfi_filtered (spaces, "type node ");
+ gdb_print_address (type, gdb_stdout);
+ printf_filtered ("\n");
+ printfi_filtered (spaces, "name '%s' (",
+ TYPE_NAME (type) ? TYPE_NAME (type) : "<NULL>");
+ gdb_print_address (TYPE_NAME (type), gdb_stdout);
+ printf_filtered (")\n");
+ if (TYPE_TAG_NAME (type) != NULL)
+ {
+ printfi_filtered (spaces, "tagname '%s' (",
+ TYPE_TAG_NAME (type));
+ gdb_print_address (TYPE_TAG_NAME (type), gdb_stdout);
+ printf_filtered (")\n");
+ }
+ printfi_filtered (spaces, "code 0x%x ", TYPE_CODE (type));
+ switch (TYPE_CODE (type))
+ {
+ case TYPE_CODE_UNDEF:
+ printf_filtered ("(TYPE_CODE_UNDEF)");
+ break;
+ case TYPE_CODE_PTR:
+ printf_filtered ("(TYPE_CODE_PTR)");
+ break;
+ case TYPE_CODE_ARRAY:
+ printf_filtered ("(TYPE_CODE_ARRAY)");
+ break;
+ case TYPE_CODE_STRUCT:
+ printf_filtered ("(TYPE_CODE_STRUCT)");
+ break;
+ case TYPE_CODE_UNION:
+ printf_filtered ("(TYPE_CODE_UNION)");
+ break;
+ case TYPE_CODE_ENUM:
+ printf_filtered ("(TYPE_CODE_ENUM)");
+ break;
+ case TYPE_CODE_FUNC:
+ printf_filtered ("(TYPE_CODE_FUNC)");
+ break;
+ case TYPE_CODE_INT:
+ printf_filtered ("(TYPE_CODE_INT)");
+ break;
+ case TYPE_CODE_FLT:
+ printf_filtered ("(TYPE_CODE_FLT)");
+ break;
+ case TYPE_CODE_VOID:
+ printf_filtered ("(TYPE_CODE_VOID)");
+ break;
+ case TYPE_CODE_SET:
+ printf_filtered ("(TYPE_CODE_SET)");
+ break;
+ case TYPE_CODE_RANGE:
+ printf_filtered ("(TYPE_CODE_RANGE)");
+ break;
+ case TYPE_CODE_STRING:
+ printf_filtered ("(TYPE_CODE_STRING)");
+ break;
+ case TYPE_CODE_ERROR:
+ printf_filtered ("(TYPE_CODE_ERROR)");
+ break;
+ case TYPE_CODE_MEMBER:
+ printf_filtered ("(TYPE_CODE_MEMBER)");
+ break;
+ case TYPE_CODE_METHOD:
+ printf_filtered ("(TYPE_CODE_METHOD)");
+ break;
+ case TYPE_CODE_REF:
+ printf_filtered ("(TYPE_CODE_REF)");
+ break;
+ case TYPE_CODE_CHAR:
+ printf_filtered ("(TYPE_CODE_CHAR)");
+ break;
+ case TYPE_CODE_BOOL:
+ printf_filtered ("(TYPE_CODE_BOOL)");
+ break;
+ case TYPE_CODE_TYPEDEF:
+ printf_filtered ("(TYPE_CODE_TYPEDEF)");
+ break;
+ default:
+ printf_filtered ("(UNKNOWN TYPE CODE)");
+ break;
+ }
+ puts_filtered ("\n");
+ printfi_filtered (spaces, "length %d\n", TYPE_LENGTH (type));
+ printfi_filtered (spaces, "objfile ");
+ gdb_print_address (TYPE_OBJFILE (type), gdb_stdout);
+ printf_filtered ("\n");
+ printfi_filtered (spaces, "target_type ");
+ gdb_print_address (TYPE_TARGET_TYPE (type), gdb_stdout);
+ printf_filtered ("\n");
+ if (TYPE_TARGET_TYPE (type) != NULL)
+ {
+ recursive_dump_type (TYPE_TARGET_TYPE (type), spaces + 2);
+ }
+ printfi_filtered (spaces, "pointer_type ");
+ gdb_print_address (TYPE_POINTER_TYPE (type), gdb_stdout);
+ printf_filtered ("\n");
+ printfi_filtered (spaces, "reference_type ");
+ gdb_print_address (TYPE_REFERENCE_TYPE (type), gdb_stdout);
+ printf_filtered ("\n");
+ printfi_filtered (spaces, "flags 0x%x", TYPE_FLAGS (type));
+ if (TYPE_FLAGS (type) & TYPE_FLAG_UNSIGNED)
+ {
+ puts_filtered (" TYPE_FLAG_UNSIGNED");
+ }
+ if (TYPE_FLAGS (type) & TYPE_FLAG_STUB)
+ {
+ puts_filtered (" TYPE_FLAG_STUB");
+ }
+ puts_filtered ("\n");
+ printfi_filtered (spaces, "nfields %d ", TYPE_NFIELDS (type));
+ gdb_print_address (TYPE_FIELDS (type), gdb_stdout);
+ puts_filtered ("\n");
+ for (idx = 0; idx < TYPE_NFIELDS (type); idx++)
+ {
+ printfi_filtered (spaces + 2,
+ "[%d] bitpos %d bitsize %d type ",
+ idx, TYPE_FIELD_BITPOS (type, idx),
+ TYPE_FIELD_BITSIZE (type, idx));
+ gdb_print_address (TYPE_FIELD_TYPE (type, idx), gdb_stdout);
+ printf_filtered (" name '%s' (",
+ TYPE_FIELD_NAME (type, idx) != NULL
+ ? TYPE_FIELD_NAME (type, idx)
+ : "<NULL>");
+ gdb_print_address (TYPE_FIELD_NAME (type, idx), gdb_stdout);
+ printf_filtered (")\n");
+ if (TYPE_FIELD_TYPE (type, idx) != NULL)
+ {
+ recursive_dump_type (TYPE_FIELD_TYPE (type, idx), spaces + 4);
+ }
+ }
+ printfi_filtered (spaces, "vptr_basetype ");
+ gdb_print_address (TYPE_VPTR_BASETYPE (type), gdb_stdout);
+ puts_filtered ("\n");
+ if (TYPE_VPTR_BASETYPE (type) != NULL)
+ {
+ recursive_dump_type (TYPE_VPTR_BASETYPE (type), spaces + 2);
+ }
+ printfi_filtered (spaces, "vptr_fieldno %d\n", TYPE_VPTR_FIELDNO (type));
+ switch (TYPE_CODE (type))
+ {
+ case TYPE_CODE_METHOD:
+ case TYPE_CODE_FUNC:
+ printfi_filtered (spaces, "arg_types ");
+ gdb_print_address (TYPE_ARG_TYPES (type), gdb_stdout);
+ puts_filtered ("\n");
+ print_arg_types (TYPE_ARG_TYPES (type), spaces);
+ break;
+
+ case TYPE_CODE_STRUCT:
+ printfi_filtered (spaces, "cplus_stuff ");
+ gdb_print_address (TYPE_CPLUS_SPECIFIC (type), gdb_stdout);
+ puts_filtered ("\n");
+ print_cplus_stuff (type, spaces);
+ break;
+
+ default:
+ /* We have to pick one of the union types to be able print and test
+ the value. Pick cplus_struct_type, even though we know it isn't
+ any particular one. */
+ printfi_filtered (spaces, "type_specific ");
+ gdb_print_address (TYPE_CPLUS_SPECIFIC (type), gdb_stdout);
+ if (TYPE_CPLUS_SPECIFIC (type) != NULL)
+ {
+ printf_filtered (" (unknown data form)");
+ }
+ printf_filtered ("\n");
+ break;
+
+ }
+ if (spaces == 0)
+ obstack_free (&dont_print_type_obstack, NULL);
+}
+
+#endif /* MAINTENANCE_CMDS */
+
+void
+_initialize_gdbtypes ()
+{
+ builtin_type_void =
+ init_type (TYPE_CODE_VOID, 1,
+ 0,
+ "void", (struct objfile *) NULL);
+ builtin_type_char =
+ init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+ 0,
+ "char", (struct objfile *) NULL);
+ builtin_type_signed_char =
+ init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+ 0,
+ "signed char", (struct objfile *) NULL);
+ builtin_type_unsigned_char =
+ init_type (TYPE_CODE_INT, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED,
+ "unsigned char", (struct objfile *) NULL);
+ builtin_type_short =
+ init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
+ 0,
+ "short", (struct objfile *) NULL);
+ builtin_type_unsigned_short =
+ init_type (TYPE_CODE_INT, TARGET_SHORT_BIT / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED,
+ "unsigned short", (struct objfile *) NULL);
+ builtin_type_int =
+ init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
+ 0,
+ "int", (struct objfile *) NULL);
+ builtin_type_unsigned_int =
+ init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED,
+ "unsigned int", (struct objfile *) NULL);
+ builtin_type_long =
+ init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT,
+ 0,
+ "long", (struct objfile *) NULL);
+ builtin_type_unsigned_long =
+ init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED,
+ "unsigned long", (struct objfile *) NULL);
+ builtin_type_long_long =
+ init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
+ 0,
+ "long long", (struct objfile *) NULL);
+ builtin_type_unsigned_long_long =
+ init_type (TYPE_CODE_INT, TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
+ TYPE_FLAG_UNSIGNED,
+ "unsigned long long", (struct objfile *) NULL);
+ builtin_type_float =
+ init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
+ 0,
+ "float", (struct objfile *) NULL);
+ builtin_type_double =
+ init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
+ 0,
+ "double", (struct objfile *) NULL);
+ builtin_type_long_double =
+ init_type (TYPE_CODE_FLT, TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
+ 0,
+ "long double", (struct objfile *) NULL);
+ builtin_type_complex =
+ init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
+ 0,
+ "complex", (struct objfile *) NULL);
+ TYPE_TARGET_TYPE (builtin_type_complex) = builtin_type_float;
+ builtin_type_double_complex =
+ init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
+ 0,
+ "double complex", (struct objfile *) NULL);
+ TYPE_TARGET_TYPE (builtin_type_double_complex) = builtin_type_double;
+ builtin_type_string =
+ init_type (TYPE_CODE_STRING, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
+ 0,
+ "string", (struct objfile *) NULL);
+}
projects / binutils.git / blobdiff