/* GNU Objective C Runtime message lookup
Copyright (C) 1993, 1995, 1996, 1997, 1998,
- 2001, 2002, 2004 Free Software Foundation, Inc.
+ 2001, 2002, 2004, 2009 Free Software Foundation, Inc.
Contributed by Kresten Krab Thorup
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
-Foundation; either version 2, or (at your option) any later version.
+Foundation; either version 3, or (at your option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
-You should have received a copy of the GNU General Public License along with
-GCC; see the file COPYING. If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
-/* As a special exception, if you link this library with files compiled with
- GCC to produce an executable, this does not cause the resulting executable
- to be covered by the GNU General Public License. This exception does not
- however invalidate any other reasons why the executable file might be
- covered by the GNU General Public License. */
/* FIXME: This file has no business including tm.h. */
/* FIXME: This should be using libffi instead of __builtin_apply
#define gen_rtx(args...) 1
#define gen_rtx_MEM(args...) 1
#define gen_rtx_REG(args...) 1
+/* Alread defined in gcc/coretypes.h. So prevent double definition warning. */
+#undef rtx
#define rtx int
#if ! defined (STRUCT_VALUE) || STRUCT_VALUE == 0
/* The uninstalled dispatch table */
struct sarray *__objc_uninstalled_dtable = 0; /* !T:MUTEX */
-/* Hook for method forwarding. If it is set, is invoked to return a
- function that performs the real forwarding. Otherwise the libgcc
- based functions (__builtin_apply and friends) are used. */
+/* Two hooks for method forwarding. If either is set, it is invoked
+ * to return a function that performs the real forwarding. If both
+ * are set, the result of __objc_msg_forward2 will be preferred over
+ * that of __objc_msg_forward. If both return NULL or are unset,
+ * the libgcc based functions (__builtin_apply and friends) are
+ * used.
+ */
IMP (*__objc_msg_forward) (SEL) = NULL;
+IMP (*__objc_msg_forward2) (id, SEL) = NULL;
/* Send +initialize to class */
static void __objc_send_initialize (Class);
return type for the selector.
__objc_block_forward for structures.
__objc_double_forward for floats/doubles.
- __objc_word_forward for pointers or types that fit in registers.
- */
+ __objc_word_forward for pointers or types that fit in registers. */
static double __objc_double_forward (id, SEL, ...);
static id __objc_word_forward (id, SEL, ...);
typedef struct { id many[8]; } __big;
/* Given a selector, return the proper forwarding implementation. */
inline
IMP
-__objc_get_forward_imp (SEL sel)
+__objc_get_forward_imp (id rcv, SEL sel)
{
/* If a custom forwarding hook was registered, try getting a forwarding
- * function from it. */
+ function from it. There are two forward routine hooks, one that
+ takes the receiver as an argument and one that does not. */
+ if (__objc_msg_forward2)
+ {
+ IMP result;
+ if ((result = __objc_msg_forward2 (rcv, sel)) != NULL)
+ return result;
+ }
if (__objc_msg_forward)
{
IMP result;
}
/* In all other cases, use the default forwarding functions built using
- * __builtin_apply and friends. */
+ __builtin_apply and friends. */
{
const char *t = sel->sel_types;
is not in the dispatch table. So the method just
doesn't exist for the class. Return the forwarding
implementation. */
- res = __objc_get_forward_imp (sel);
+ res = __objc_get_forward_imp ((id)class, sel);
}
}
}
{
/* If the method still just doesn't exist for the
class, attempt to forward the method. */
- result = __objc_get_forward_imp (op);
+ result = __objc_get_forward_imp (receiver, op);
}
}
}
#endif
printf ("arrays: %d = %ld bytes\n", narrays,
- (long) narrays * sizeof (struct sarray));
+ (long) ((size_t) narrays * sizeof (struct sarray)));
total += narrays * sizeof (struct sarray);
printf ("buckets: %d = %ld bytes\n", nbuckets,
- (long) nbuckets * sizeof (struct sbucket));
+ (long) ((size_t) nbuckets * sizeof (struct sbucket)));
total += nbuckets * sizeof (struct sbucket);
printf ("idxtables: %d = %ld bytes\n",
- idxsize, (long) idxsize * sizeof (void *));
+ idxsize, (long) ((size_t) idxsize * sizeof (void *)));
total += idxsize * sizeof (void *);
printf ("-----------------------------------\n");
printf ("total: %d bytes\n", total);
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