/* Perform non-arithmetic operations on values, for GDB.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
+ 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
This file is part of GDB.
extern int overload_debug;
/* Local functions. */
-static int typecmp (int staticp, struct type *t1[], value_ptr t2[]);
+static int typecmp (int staticp, struct type *t1[], struct value *t2[]);
-static CORE_ADDR find_function_addr (value_ptr, struct type **);
-static value_ptr value_arg_coerce (value_ptr, struct type *, int);
+static CORE_ADDR find_function_addr (struct value *, struct type **);
+static struct value *value_arg_coerce (struct value *, struct type *, int);
-static CORE_ADDR value_push (CORE_ADDR, value_ptr);
+static CORE_ADDR value_push (CORE_ADDR, struct value *);
-static value_ptr search_struct_field (char *, value_ptr, int,
+static struct value *search_struct_field (char *, struct value *, int,
struct type *, int);
-static value_ptr search_struct_method (char *, value_ptr *,
- value_ptr *,
+static struct value *search_struct_method (char *, struct value **,
+ struct value **,
int, int *, struct type *);
static int check_field_in (struct type *, const char *);
static CORE_ADDR allocate_space_in_inferior (int);
-static value_ptr cast_into_complex (struct type *, value_ptr);
+static struct value *cast_into_complex (struct type *, struct value *);
-static struct fn_field *find_method_list (value_ptr * argp, char *method,
+static struct fn_field *find_method_list (struct value ** argp, char *method,
int offset, int *static_memfuncp,
struct type *type, int *num_fns,
struct type **basetype,
/* Find the address of function name NAME in the inferior. */
-value_ptr
+struct value *
find_function_in_inferior (char *name)
{
register struct symbol *sym;
/* Allocate NBYTES of space in the inferior using the inferior's malloc
and return a value that is a pointer to the allocated space. */
-value_ptr
+struct value *
value_allocate_space_in_inferior (int len)
{
- value_ptr blocklen;
- register value_ptr val = find_function_in_inferior ("malloc");
+ struct value *blocklen;
+ struct value *val = find_function_in_inferior ("malloc");
blocklen = value_from_longest (builtin_type_int, (LONGEST) len);
val = call_function_by_hand (val, 1, &blocklen);
and if ARG2 is an lvalue it can be cast into anything at all. */
/* In C++, casts may change pointer or object representations. */
-value_ptr
-value_cast (struct type *type, register value_ptr arg2)
+struct value *
+value_cast (struct type *type, struct value *arg2)
{
register enum type_code code1;
register enum type_code code2;
/* Look in the type of the source to see if it contains the
type of the target as a superclass. If so, we'll need to
offset the object in addition to changing its type. */
- value_ptr v = search_struct_field (type_name_no_tag (type),
+ struct value *v = search_struct_field (type_name_no_tag (type),
arg2, 0, type2, 1);
if (v)
{
(code2 == TYPE_CODE_PTR))
{
unsigned int *ptr;
- value_ptr retvalp;
+ struct value *retvalp;
switch (TYPE_CODE (TYPE_TARGET_TYPE (type2)))
{
&& TYPE_CODE (t2) == TYPE_CODE_STRUCT
&& !value_logical_not (arg2))
{
- value_ptr v;
+ struct value *v;
/* Look in the type of the source to see if it contains the
type of the target as a superclass. If so, we'll need to
value_zero (t1, not_lval), 0, t1, 1);
if (v)
{
- value_ptr v2 = value_ind (arg2);
+ struct value *v2 = value_ind (arg2);
VALUE_ADDRESS (v2) -= VALUE_ADDRESS (v)
+ VALUE_OFFSET (v);
else if (chill_varying_type (type))
{
struct type *range1, *range2, *eltype1, *eltype2;
- value_ptr val;
+ struct value *val;
int count1, count2;
LONGEST low_bound, high_bound;
char *valaddr, *valaddr_data;
/* Create a value of type TYPE that is zero, and return it. */
-value_ptr
+struct value *
value_zero (struct type *type, enum lval_type lv)
{
- register value_ptr val = allocate_value (type);
+ struct value *val = allocate_value (type);
memset (VALUE_CONTENTS (val), 0, TYPE_LENGTH (check_typedef (type)));
VALUE_LVAL (val) = lv;
Note: value_at does *NOT* handle embedded offsets; perform such
adjustments before or after calling it. */
-value_ptr
+struct value *
value_at (struct type *type, CORE_ADDR addr, asection *sect)
{
- register value_ptr val;
+ struct value *val;
if (TYPE_CODE (check_typedef (type)) == TYPE_CODE_VOID)
error ("Attempt to dereference a generic pointer.");
/* Return a lazy value with type TYPE located at ADDR (cf. value_at). */
-value_ptr
+struct value *
value_at_lazy (struct type *type, CORE_ADDR addr, asection *sect)
{
- register value_ptr val;
+ struct value *val;
if (TYPE_CODE (check_typedef (type)) == TYPE_CODE_VOID)
error ("Attempt to dereference a generic pointer.");
value is ignored. */
int
-value_fetch_lazy (register value_ptr val)
+value_fetch_lazy (struct value *val)
{
CORE_ADDR addr = VALUE_ADDRESS (val) + VALUE_OFFSET (val);
int length = TYPE_LENGTH (VALUE_ENCLOSING_TYPE (val));
/* Store the contents of FROMVAL into the location of TOVAL.
Return a new value with the location of TOVAL and contents of FROMVAL. */
-value_ptr
-value_assign (register value_ptr toval, register value_ptr fromval)
+struct value *
+value_assign (struct value *toval, struct value *fromval)
{
register struct type *type;
- register value_ptr val;
+ struct value *val;
char *raw_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
int use_buffer = 0;
/* Extend a value VAL to COUNT repetitions of its type. */
-value_ptr
-value_repeat (value_ptr arg1, int count)
+struct value *
+value_repeat (struct value *arg1, int count)
{
- register value_ptr val;
+ struct value *val;
if (VALUE_LVAL (arg1) != lval_memory)
error ("Only values in memory can be extended with '@'.");
return val;
}
-value_ptr
+struct value *
value_of_variable (struct symbol *var, struct block *b)
{
- value_ptr val;
+ struct value *val;
struct frame_info *frame = NULL;
if (!b)
the coercion to pointer type.
*/
-value_ptr
-value_coerce_array (value_ptr arg1)
+struct value *
+value_coerce_array (struct value *arg1)
{
register struct type *type = check_typedef (VALUE_TYPE (arg1));
/* Given a value which is a function, return a value which is a pointer
to it. */
-value_ptr
-value_coerce_function (value_ptr arg1)
+struct value *
+value_coerce_function (struct value *arg1)
{
- value_ptr retval;
+ struct value *retval;
if (VALUE_LVAL (arg1) != lval_memory)
error ("Attempt to take address of value not located in memory.");
/* Return a pointer value for the object for which ARG1 is the contents. */
-value_ptr
-value_addr (value_ptr arg1)
+struct value *
+value_addr (struct value *arg1)
{
- value_ptr arg2;
+ struct value *arg2;
struct type *type = check_typedef (VALUE_TYPE (arg1));
if (TYPE_CODE (type) == TYPE_CODE_REF)
/* Given a value of a pointer type, apply the C unary * operator to it. */
-value_ptr
-value_ind (value_ptr arg1)
+struct value *
+value_ind (struct value *arg1)
{
struct type *base_type;
- value_ptr arg2;
+ struct value *arg2;
COERCE_ARRAY (arg1);
it to be an argument to a function. */
static CORE_ADDR
-value_push (register CORE_ADDR sp, value_ptr arg)
+value_push (register CORE_ADDR sp, struct value *arg)
{
register int len = TYPE_LENGTH (VALUE_ENCLOSING_TYPE (arg));
register int container_len = len;
#endif
CORE_ADDR
-default_push_arguments (int nargs, value_ptr *args, CORE_ADDR sp,
+default_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
int struct_return, CORE_ADDR struct_addr)
{
/* ASSERT ( !struct_return); */
If PARAM_TYPE is non-NULL, it is the expected parameter type.
IS_PROTOTYPED is non-zero if the function declaration is prototyped. */
-static value_ptr
-value_arg_coerce (value_ptr arg, struct type *param_type, int is_prototyped)
+static struct value *
+value_arg_coerce (struct value *arg, struct type *param_type, int is_prototyped)
{
register struct type *arg_type = check_typedef (VALUE_TYPE (arg));
register struct type *type
Calls error() if the function is not valid for calling. */
static CORE_ADDR
-find_function_addr (value_ptr function, struct type **retval_type)
+find_function_addr (struct value *function, struct type **retval_type)
{
register struct type *ftype = check_typedef (VALUE_TYPE (function));
register enum type_code code = TYPE_CODE (ftype);
ARGS is modified to contain coerced values. */
-static value_ptr hand_function_call (value_ptr function, int nargs,
- value_ptr * args);
-static value_ptr
-hand_function_call (value_ptr function, int nargs, value_ptr *args)
+static struct value *
+hand_function_call (struct value *function, int nargs, struct value **args)
{
register CORE_ADDR sp;
register int i;
#ifdef VALUE_RETURNED_FROM_STACK
if (struct_return)
- return (value_ptr) VALUE_RETURNED_FROM_STACK (value_type, struct_addr);
+ return (struct value *) VALUE_RETURNED_FROM_STACK (value_type, struct_addr);
#endif
return value_being_returned (value_type, retbuf, struct_return);
}
}
-value_ptr
-call_function_by_hand (value_ptr function, int nargs, value_ptr *args)
+struct value *
+call_function_by_hand (struct value *function, int nargs, struct value **args)
{
if (CALL_DUMMY_P)
{
first element, and all elements must have the same size (though we
don't currently enforce any restriction on their types). */
-value_ptr
-value_array (int lowbound, int highbound, value_ptr *elemvec)
+struct value *
+value_array (int lowbound, int highbound, struct value **elemvec)
{
int nelem;
int idx;
unsigned int typelength;
- value_ptr val;
+ struct value *val;
struct type *rangetype;
struct type *arraytype;
CORE_ADDR addr;
zero and an upper bound of LEN - 1. Also note that the string may contain
embedded null bytes. */
-value_ptr
+struct value *
value_string (char *ptr, int len)
{
- value_ptr val;
+ struct value *val;
int lowbound = current_language->string_lower_bound;
struct type *rangetype = create_range_type ((struct type *) NULL,
builtin_type_int,
return (val);
}
-value_ptr
+struct value *
value_bitstring (char *ptr, int len)
{
- value_ptr val;
+ struct value *val;
struct type *domain_type = create_range_type (NULL, builtin_type_int,
0, len - 1);
struct type *type = create_set_type ((struct type *) NULL, domain_type);
requested operation is type secure, shouldn't we? FIXME. */
static int
-typecmp (int staticp, struct type *t1[], value_ptr t2[])
+typecmp (int staticp, struct type *t1[], struct value *t2[])
{
int i;
If LOOKING_FOR_BASECLASS, then instead of looking for struct fields,
look for a baseclass named NAME. */
-static value_ptr
-search_struct_field (char *name, register value_ptr arg1, int offset,
+static struct value *
+search_struct_field (char *name, struct value *arg1, int offset,
register struct type *type, int looking_for_baseclass)
{
int i;
if (t_field_name && (strcmp_iw (t_field_name, name) == 0))
{
- value_ptr v;
+ struct value *v;
if (TYPE_FIELD_STATIC (type, i))
v = value_static_field (type, i);
else
Each <variant alternative> is represented as a struct,
with a member for each <variant field>. */
- value_ptr v;
+ struct value *v;
int new_offset = offset;
/* This is pretty gross. In G++, the offset in an anonymous
for (i = 0; i < nbases; i++)
{
- value_ptr v;
+ struct value *v;
struct type *basetype = check_typedef (TYPE_BASECLASS (type, i));
/* If we are looking for baseclasses, this is what we get when we
hit them. But it could happen that the base part's member name
if (BASETYPE_VIA_VIRTUAL (type, i))
{
int boffset;
- value_ptr v2 = allocate_value (basetype);
+ struct value *v2 = allocate_value (basetype);
boffset = baseclass_offset (type, i,
VALUE_CONTENTS (arg1) + offset,
int index; /* displacement to use in virtual table */
int skip;
- value_ptr vp;
+ struct value *vp;
CORE_ADDR vtbl; /* the virtual table pointer */
struct type *pbc; /* the primary base class */
If found, return value, else if name matched and args not return (value)-1,
else return NULL. */
-static value_ptr
-search_struct_method (char *name, register value_ptr *arg1p,
- register value_ptr *args, int offset,
+static struct value *
+search_struct_method (char *name, struct value **arg1p,
+ struct value **args, int offset,
int *static_memfuncp, register struct type *type)
{
int i;
- value_ptr v;
+ struct value *v;
int name_matched = 0;
char dem_opname[64];
}
v = search_struct_method (name, arg1p, args, base_offset + offset,
static_memfuncp, TYPE_BASECLASS (type, i));
- if (v == (value_ptr) - 1)
+ if (v == (struct value *) - 1)
{
name_matched = 1;
}
}
}
if (name_matched)
- return (value_ptr) - 1;
+ return (struct value *) - 1;
else
return NULL;
}
ERR is an error message to be printed in case the field is not found. */
-value_ptr
-value_struct_elt (register value_ptr *argp, register value_ptr *args,
+struct value *
+value_struct_elt (struct value **argp, struct value **args,
char *name, int *static_memfuncp, char *err)
{
register struct type *t;
- value_ptr v;
+ struct value *v;
COERCE_ARRAY (*argp);
v = search_struct_method (name, argp, args, 0, static_memfuncp, t);
- if (v == (value_ptr) - 1)
+ if (v == (struct value *) - 1)
error ("Cannot take address of a method");
else if (v == 0)
{
else
v = search_struct_method (name, argp, args, 0, static_memfuncp, t);
- if (v == (value_ptr) - 1)
+ if (v == (struct value *) - 1)
{
error ("One of the arguments you tried to pass to %s could not be converted to what the function wants.", name);
}
* BOFFSET is the offset of the base subobject where the method is found */
static struct fn_field *
-find_method_list (value_ptr *argp, char *method, int offset,
+find_method_list (struct value **argp, char *method, int offset,
int *static_memfuncp, struct type *type, int *num_fns,
struct type **basetype, int *boffset)
{
* BOFFSET is the offset of the base subobject which defines the method */
struct fn_field *
-value_find_oload_method_list (value_ptr *argp, char *method, int offset,
+value_find_oload_method_list (struct value **argp, char *method, int offset,
int *static_memfuncp, int *num_fns,
struct type **basetype, int *boffset)
{
int
find_overload_match (struct type **arg_types, int nargs, char *name, int method,
- int lax, value_ptr obj, struct symbol *fsym,
- value_ptr *valp, struct symbol **symp, int *staticp)
+ int lax, struct value *obj, struct symbol *fsym,
+ struct value **valp, struct symbol **symp, int *staticp)
{
int nparms;
struct type **parm_types;
struct badness_vector *bv; /* A measure of how good an overloaded instance is */
struct badness_vector *oload_champ_bv = NULL; /* The measure for the current best match */
- value_ptr temp = obj;
+ struct value *temp = obj;
struct fn_field *fns_ptr = NULL; /* For methods, the list of overloaded methods */
struct symbol **oload_syms = NULL; /* For non-methods, the list of overloaded function symbols */
int num_fns = 0; /* Number of overloaded instances being considered */
target structure/union is defined, otherwise, return 0. */
int
-check_field (register value_ptr arg1, const char *name)
+check_field (struct value *arg1, const char *name)
{
register struct type *t;
"pointers to member functions". This function is used
to resolve user expressions of the form "DOMAIN::NAME". */
-value_ptr
+struct value *
value_struct_elt_for_reference (struct type *domain, int offset,
struct type *curtype, char *name,
struct type *intype)
{
register struct type *t = curtype;
register int i;
- value_ptr v;
+ struct value *v;
if (TYPE_CODE (t) != TYPE_CODE_STRUCT
&& TYPE_CODE (t) != TYPE_CODE_UNION)
}
for (i = TYPE_N_BASECLASSES (t) - 1; i >= 0; i--)
{
- value_ptr v;
+ struct value *v;
int base_offset;
if (BASETYPE_VIA_VIRTUAL (t, i))
and refer to the values computed for the object pointed to. */
struct type *
-value_rtti_target_type (value_ptr v, int *full, int *top, int *using_enc)
+value_rtti_target_type (struct value *v, int *full, int *top, int *using_enc)
{
- value_ptr target;
+ struct value *target;
target = value_ind (v);
they can be supplied and a second call to value_rtti_type() is avoided.
(Pass RTYPE == NULL if they're not available */
-value_ptr
-value_full_object (value_ptr argp, struct type *rtype, int xfull, int xtop,
+struct value *
+value_full_object (struct value *argp, struct type *rtype, int xfull, int xtop,
int xusing_enc)
{
struct type *real_type;
int full = 0;
int top = -1;
int using_enc = 0;
- value_ptr new_val;
+ struct value *new_val;
if (rtype)
{
Flag COMPLAIN signals an error if the request is made in an
inappropriate context. */
-value_ptr
+struct value *
value_of_this (int complain)
{
struct symbol *func, *sym;
struct block *b;
int i;
static const char funny_this[] = "this";
- value_ptr this;
+ struct value *this;
if (selected_frame == 0)
{
long, starting at LOWBOUND. The result has the same lower bound as
the original ARRAY. */
-value_ptr
-value_slice (value_ptr array, int lowbound, int length)
+struct value *
+value_slice (struct value *array, int lowbound, int length)
{
struct type *slice_range_type, *slice_type, *range_type;
LONGEST lowerbound, upperbound, offset;
- value_ptr slice;
+ struct value *slice;
struct type *array_type;
array_type = check_typedef (VALUE_TYPE (array));
COERCE_VARYING_ARRAY (array, array_type);
/* Assuming chill_varying_type (VARRAY) is true, return an equivalent
value as a fixed-length array. */
-value_ptr
-varying_to_slice (value_ptr varray)
+struct value *
+varying_to_slice (struct value *varray)
{
struct type *vtype = check_typedef (VALUE_TYPE (varray));
LONGEST length = unpack_long (TYPE_FIELD_TYPE (vtype, 0),
that figures out precision inteligently as opposed to assuming
doubles. FIXME: fmb */
-value_ptr
-value_literal_complex (value_ptr arg1, value_ptr arg2, struct type *type)
+struct value *
+value_literal_complex (struct value *arg1, struct value *arg2, struct type *type)
{
- register value_ptr val;
+ struct value *val;
struct type *real_type = TYPE_TARGET_TYPE (type);
val = allocate_value (type);
/* Cast a value into the appropriate complex data type. */
-static value_ptr
-cast_into_complex (struct type *type, register value_ptr val)
+static struct value *
+cast_into_complex (struct type *type, struct value *val)
{
struct type *real_type = TYPE_TARGET_TYPE (type);
if (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_COMPLEX)
{
struct type *val_real_type = TYPE_TARGET_TYPE (VALUE_TYPE (val));
- value_ptr re_val = allocate_value (val_real_type);
- value_ptr im_val = allocate_value (val_real_type);
+ struct value *re_val = allocate_value (val_real_type);
+ struct value *im_val = allocate_value (val_real_type);
memcpy (VALUE_CONTENTS_RAW (re_val),
VALUE_CONTENTS (val), TYPE_LENGTH (val_real_type));
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