#include <errno.h>
#include "gdb_string.h"
+#include "gdb_assert.h"
/* Flag indicating HP compilers were used; needed to correctly handle some
value operations with HP aCC code/runtime. */
static struct value *cast_into_complex (struct type *, struct value *);
static struct fn_field *find_method_list (struct value ** argp, char *method,
- int offset, int *static_memfuncp,
+ int offset,
struct type *type, int *num_fns,
struct type **basetype,
int *boffset);
if (VALUE_REGNO (toval) >= 0)
{
int regno = VALUE_REGNO (toval);
- if (REGISTER_CONVERTIBLE (regno))
+ if (CONVERT_REGISTER_P (regno))
{
struct type *fromtype = check_typedef (VALUE_TYPE (fromval));
- REGISTER_CONVERT_TO_RAW (fromtype, regno,
- VALUE_CONTENTS (fromval), raw_buffer);
+ VALUE_TO_REGISTER (fromtype, regno, VALUE_CONTENTS (fromval), raw_buffer);
use_buffer = REGISTER_RAW_SIZE (regno);
}
}
if (changed_len > (int) sizeof (LONGEST))
error ("Can't handle bitfields which don't fit in a %d bit word.",
- sizeof (LONGEST) * HOST_CHAR_BIT);
+ (int) sizeof (LONGEST) * HOST_CHAR_BIT);
read_memory (VALUE_ADDRESS (toval) + VALUE_OFFSET (toval),
buffer, changed_len);
if (len > (int) sizeof (LONGEST))
error ("Can't handle bitfields in registers larger than %d bits.",
- sizeof (LONGEST) * HOST_CHAR_BIT);
+ (int) sizeof (LONGEST) * HOST_CHAR_BIT);
if (VALUE_BITPOS (toval) + VALUE_BITSIZE (toval)
> len * HOST_CHAR_BIT)
int amount_copied;
/* Make the buffer large enough in all cases. */
+ /* FIXME (alloca): Not safe for very large data types. */
char *buffer = (char *) alloca (amount_to_copy
+ sizeof (LONGEST)
+ MAX_REGISTER_RAW_SIZE);
& ~(PARM_BOUNDARY / TARGET_CHAR_BIT - 1));
/* Are we going to put it at the high or low end of the container? */
- if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
offset = container_len - len;
else
offset = 0;
return sp;
}
-#ifndef PUSH_ARGUMENTS
-#define PUSH_ARGUMENTS default_push_arguments
-#endif
-
CORE_ADDR
default_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
int struct_return, CORE_ADDR struct_addr)
IS_PROTOTYPED is non-zero if the function declaration is prototyped. */
static struct value *
-value_arg_coerce (struct value *arg, struct type *param_type, int is_prototyped)
+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
- = param_type ? check_typedef (param_type) : arg_type;
+ = param_type ? check_typedef (param_type) : arg_type;
switch (TYPE_CODE (type))
{
case TYPE_CODE_REF:
- if (TYPE_CODE (arg_type) != TYPE_CODE_REF)
+ if (TYPE_CODE (arg_type) != TYPE_CODE_REF
+ && TYPE_CODE (arg_type) != TYPE_CODE_PTR)
{
arg = value_addr (arg);
VALUE_TYPE (arg) = param_type;
type = lookup_pointer_type (type);
break;
case TYPE_CODE_ARRAY:
+ /* Arrays are coerced to pointers to their first element, unless
+ they are vectors, in which case we want to leave them alone,
+ because they are passed by value. */
if (current_language->c_style_arrays)
- type = lookup_pointer_type (TYPE_TARGET_TYPE (type));
+ if (!TYPE_VECTOR (type))
+ type = lookup_pointer_type (TYPE_TARGET_TYPE (type));
break;
case TYPE_CODE_UNDEF:
case TYPE_CODE_PTR:
if (CALL_DUMMY_LOCATION == ON_STACK)
{
write_memory (start_sp, (char *) dummy1, sizeof_dummy1);
+ if (USE_GENERIC_DUMMY_FRAMES)
+ generic_save_call_dummy_addr (start_sp, start_sp + sizeof_dummy1);
}
if (CALL_DUMMY_LOCATION == BEFORE_TEXT_END)
sp = old_sp;
real_pc = text_end - sizeof_dummy1;
write_memory (real_pc, (char *) dummy1, sizeof_dummy1);
+ if (USE_GENERIC_DUMMY_FRAMES)
+ generic_save_call_dummy_addr (real_pc, real_pc + sizeof_dummy1);
}
if (CALL_DUMMY_LOCATION == AFTER_TEXT_END)
errcode = target_write_memory (real_pc, (char *) dummy1, sizeof_dummy1);
if (errcode != 0)
error ("Cannot write text segment -- call_function failed");
+ if (USE_GENERIC_DUMMY_FRAMES)
+ generic_save_call_dummy_addr (real_pc, real_pc + sizeof_dummy1);
}
if (CALL_DUMMY_LOCATION == AT_ENTRY_POINT)
{
real_pc = funaddr;
+ if (USE_GENERIC_DUMMY_FRAMES)
+ /* NOTE: cagney/2002-04-13: The entry point is going to be
+ modified with a single breakpoint. */
+ generic_save_call_dummy_addr (CALL_DUMMY_ADDRESS (),
+ CALL_DUMMY_ADDRESS () + 1);
}
#ifdef lint
if (param_type)
/* if this parameter is a pointer to function */
if (TYPE_CODE (param_type) == TYPE_CODE_PTR)
- if (TYPE_CODE (param_type->target_type) == TYPE_CODE_FUNC)
+ if (TYPE_CODE (TYPE_TARGET_TYPE (param_type)) == TYPE_CODE_FUNC)
/* elz: FIXME here should go the test about the compiler used
to compile the target. We want to issue the error
message only if the compiler used was HP's aCC.
return t2[1] != 0;
if (t1 == 0)
return 1;
- if (TYPE_CODE (t1[0]) == TYPE_CODE_VOID)
- return 0;
if (t1[!staticp] == 0)
return 0;
+ if (TYPE_CODE (t1[0]) == TYPE_CODE_VOID)
+ return 0;
+ /* Skip ``this'' argument if applicable. T2 will always include THIS. */
+ if (staticp)
+ t2++;
for (i = !staticp; t1[i] && TYPE_CODE (t1[i]) != TYPE_CODE_VOID; i++)
{
struct type *tt1, *tt2;
if (j > 0 && args == 0)
error ("cannot resolve overloaded method `%s': no arguments supplied", name);
- while (j >= 0)
+ else if (j == 0 && args == 0)
{
if (TYPE_FN_FIELD_STUB (f, j))
check_stub_method (type, i, j);
- if (!typecmp (TYPE_FN_FIELD_STATIC_P (f, j),
- TYPE_FN_FIELD_ARGS (f, j), args))
- {
- if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
- return value_virtual_fn_field (arg1p, f, j, type, offset);
- if (TYPE_FN_FIELD_STATIC_P (f, j) && static_memfuncp)
- *static_memfuncp = 1;
- v = value_fn_field (arg1p, f, j, type, offset);
- if (v != NULL)
- return v;
- }
- j--;
+ v = value_fn_field (arg1p, f, j, type, offset);
+ if (v != NULL)
+ return v;
}
+ else
+ while (j >= 0)
+ {
+ if (TYPE_FN_FIELD_STUB (f, j))
+ check_stub_method (type, i, j);
+ if (!typecmp (TYPE_FN_FIELD_STATIC_P (f, j),
+ TYPE_FN_FIELD_ARGS (f, j), args))
+ {
+ if (TYPE_FN_FIELD_VIRTUAL_P (f, j))
+ return value_virtual_fn_field (arg1p, f, j, type, offset);
+ if (TYPE_FN_FIELD_STATIC_P (f, j) && static_memfuncp)
+ *static_memfuncp = 1;
+ v = value_fn_field (arg1p, f, j, type, offset);
+ if (v != NULL)
+ return v;
+ }
+ j--;
+ }
}
}
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 *type, int *num_fns,
struct type **basetype, int *boffset)
{
int i;
char *fn_field_name = TYPE_FN_FIELDLIST_NAME (type, i);
if (fn_field_name && (strcmp_iw (fn_field_name, method) == 0))
{
- *num_fns = TYPE_FN_FIELDLIST_LENGTH (type, i);
+ /* Resolve any stub methods. */
+ int len = TYPE_FN_FIELDLIST_LENGTH (type, i);
+ struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i);
+ int j;
+
+ *num_fns = len;
*basetype = type;
*boffset = offset;
- return TYPE_FN_FIELDLIST1 (type, i);
+
+ for (j = 0; j < len; j++)
+ {
+ if (TYPE_FN_FIELD_STUB (f, j))
+ check_stub_method (type, i, j);
+ }
+
+ return f;
}
}
base_offset = TYPE_BASECLASS_BITPOS (type, i) / 8;
}
f = find_method_list (argp, method, base_offset + offset,
- static_memfuncp, TYPE_BASECLASS (type, i), num_fns, basetype, boffset);
+ TYPE_BASECLASS (type, i), num_fns, basetype,
+ boffset);
if (f)
return f;
}
struct fn_field *
value_find_oload_method_list (struct value **argp, char *method, int offset,
- int *static_memfuncp, int *num_fns,
- struct type **basetype, int *boffset)
+ int *num_fns, struct type **basetype,
+ int *boffset)
{
struct type *t;
&& TYPE_CODE (t) != TYPE_CODE_UNION)
error ("Attempt to extract a component of a value that is not a struct or union");
- /* Assume it's not static, unless we see that it is. */
- if (static_memfuncp)
- *static_memfuncp = 0;
-
- return find_method_list (argp, method, 0, static_memfuncp, t, num_fns, basetype, boffset);
-
+ return find_method_list (argp, method, 0, t, num_fns, basetype, boffset);
}
/* Given an array of argument types (ARGTYPES) (which includes an
int
find_overload_match (struct type **arg_types, int nargs, char *name, int method,
- int lax, struct value *obj, struct symbol *fsym,
+ int lax, struct value **objp, struct symbol *fsym,
struct value **valp, struct symbol **symp, int *staticp)
{
int nparms;
struct type **parm_types;
int champ_nparms = 0;
+ struct value *obj = (objp ? *objp : NULL);
short oload_champ = -1; /* Index of best overloaded function */
short oload_ambiguous = 0; /* Current ambiguity state for overload resolution */
int boffset;
register int jj;
register int ix;
+ int static_offset;
char *obj_type_name = NULL;
char *func_name = NULL;
/* Get the list of overloaded methods or functions */
if (method)
{
- int i;
- int len;
- struct type *domain;
obj_type_name = TYPE_NAME (VALUE_TYPE (obj));
/* Hack: evaluate_subexp_standard often passes in a pointer
value rather than the object itself, so try again */
obj_type_name = TYPE_NAME (TYPE_TARGET_TYPE (VALUE_TYPE (obj)));
fns_ptr = value_find_oload_method_list (&temp, name, 0,
- staticp,
&num_fns,
&basetype, &boffset);
if (!fns_ptr || !num_fns)
obj_type_name,
(obj_type_name && *obj_type_name) ? "::" : "",
name);
- domain = TYPE_DOMAIN_TYPE (fns_ptr[0].type);
- len = TYPE_NFN_FIELDS (domain);
- /* NOTE: dan/2000-03-10: This stuff is for STABS, which won't
- give us the info we need directly in the types. We have to
- use the method stub conversion to get it. Be aware that this
- is by no means perfect, and if you use STABS, please move to
- DWARF-2, or something like it, because trying to improve
- overloading using STABS is really a waste of time. */
- for (i = 0; i < len; i++)
- {
- int j;
- struct fn_field *f = TYPE_FN_FIELDLIST1 (domain, i);
- int len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i);
-
- for (j = 0; j < len2; j++)
- {
- if (TYPE_FN_FIELD_STUB (f, j) && (!strcmp_iw (TYPE_FN_FIELDLIST_NAME (domain,i),name)))
- check_stub_method (domain, i, j);
- }
- }
+ /* If we are dealing with stub method types, they should have
+ been resolved by find_method_list via value_find_oload_method_list
+ above. */
+ gdb_assert (TYPE_DOMAIN_TYPE (fns_ptr[0].type) != NULL);
}
else
{
/* Consider each candidate in turn */
for (ix = 0; ix < num_fns; ix++)
{
+ static_offset = 0;
if (method)
{
- /* For static member functions, we won't have a this pointer, but nothing
- else seems to handle them right now, so we just pretend ourselves */
+ if (TYPE_FN_FIELD_STATIC_P (fns_ptr, ix))
+ static_offset = 1;
nparms=0;
if (TYPE_FN_FIELD_ARGS(fns_ptr,ix))
? (TYPE_FN_FIELD_ARGS (fns_ptr, ix)[jj])
: TYPE_FIELD_TYPE (SYMBOL_TYPE (oload_syms[ix]), jj));
- /* Compare parameter types to supplied argument types */
- bv = rank_function (parm_types, nparms, arg_types, nargs);
+ /* Compare parameter types to supplied argument types. Skip THIS for
+ static methods. */
+ bv = rank_function (parm_types, nparms, arg_types + static_offset,
+ nargs - static_offset);
if (!oload_champ_bv)
{
fprintf_filtered (gdb_stderr,"Overloaded method instance %s, # of parms %d\n", fns_ptr[ix].physname, nparms);
else
fprintf_filtered (gdb_stderr,"Overloaded function instance %s # of parms %d\n", SYMBOL_DEMANGLED_NAME (oload_syms[ix]), nparms);
- for (jj = 0; jj < nargs; jj++)
+ for (jj = 0; jj < nargs - static_offset; jj++)
fprintf_filtered (gdb_stderr,"...Badness @ %d : %d\n", jj, bv->rank[jj]);
fprintf_filtered (gdb_stderr,"Overload resolution champion is %d, ambiguous? %d\n", oload_champ, oload_ambiguous);
}
}
#endif
- /* Check how bad the best match is */
- for (ix = 1; ix <= nargs; ix++)
+ /* Check how bad the best match is. */
+ static_offset = 0;
+ if (method && TYPE_FN_FIELD_STATIC_P (fns_ptr, oload_champ))
+ static_offset = 1;
+ for (ix = 1; ix <= nargs - static_offset; ix++)
{
if (oload_champ_bv->rank[ix] >= 100)
oload_incompatible = 1; /* truly mismatched types */
if (method)
{
+ if (staticp && TYPE_FN_FIELD_STATIC_P (fns_ptr, oload_champ))
+ *staticp = 1;
+ else if (staticp)
+ *staticp = 0;
if (TYPE_FN_FIELD_VIRTUAL_P (fns_ptr, oload_champ))
*valp = value_virtual_fn_field (&temp, fns_ptr, oload_champ, basetype, boffset);
else
xfree (func_name);
}
+ if (objp)
+ {
+ if (TYPE_CODE (VALUE_TYPE (temp)) != TYPE_CODE_PTR
+ && TYPE_CODE (VALUE_TYPE (*objp)) == TYPE_CODE_PTR)
+ {
+ temp = value_addr (temp);
+ }
+ *objp = temp;
+ }
return oload_incompatible ? 100 : (oload_non_standard ? 10 : 0);
}
/* Calling lookup_block_symbol is necessary to get the LOC_REGISTER
symbol instead of the LOC_ARG one (if both exist). */
- sym = lookup_block_symbol (b, funny_this, VAR_NAMESPACE);
+ sym = lookup_block_symbol (b, funny_this, NULL, VAR_NAMESPACE);
if (sym == NULL)
{
if (complain)