diff options
Diffstat (limited to 'contrib/libobjc/sendmsg.c')
| -rw-r--r-- | contrib/libobjc/sendmsg.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/contrib/libobjc/sendmsg.c b/contrib/libobjc/sendmsg.c index a4aa4709c7c1..61fa28833b30 100644 --- a/contrib/libobjc/sendmsg.c +++ b/contrib/libobjc/sendmsg.c @@ -1,5 +1,6 @@ /* GNU Objective C Runtime message lookup - Copyright (C) 1993, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1993, 1995, 1996, 1997, 1998, + 2001 Free Software Foundation, Inc. Contributed by Kresten Krab Thorup This file is part of GNU CC. @@ -33,6 +34,7 @@ Boston, MA 02111-1307, USA. */ /* this is how we hack STRUCT_VALUE to be 1 or 0 */ #define gen_rtx(args...) 1 #define gen_rtx_MEM(args...) 1 +#define gen_rtx_REG(args...) 1 #define rtx int #if !defined(STRUCT_VALUE) || STRUCT_VALUE == 0 @@ -44,6 +46,11 @@ Boston, MA 02111-1307, USA. */ /* 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. */ +IMP (*__objc_msg_forward)(SEL) = NULL; + /* Send +initialize to class */ static void __objc_send_initialize(Class); @@ -76,18 +83,27 @@ __inline__ IMP __objc_get_forward_imp (SEL sel) { - const char *t = sel->sel_types; + if (__objc_msg_forward) + { + IMP result; + if ((result = __objc_msg_forward (sel))) + return result; + } + else + { + const char *t = sel->sel_types; - if (t && (*t == '[' || *t == '(' || *t == '{') + if (t && (*t == '[' || *t == '(' || *t == '{') #ifdef OBJC_MAX_STRUCT_BY_VALUE - && objc_sizeof_type(t) > OBJC_MAX_STRUCT_BY_VALUE + && objc_sizeof_type(t) > OBJC_MAX_STRUCT_BY_VALUE #endif - ) - return (IMP)__objc_block_forward; - else if (t && (*t == 'f' || *t == 'd')) - return (IMP)__objc_double_forward; - else - return (IMP)__objc_word_forward; + ) + return (IMP)__objc_block_forward; + else if (t && (*t == 'f' || *t == 'd')) + return (IMP)__objc_double_forward; + else + return (IMP)__objc_word_forward; + } } /* Given a class and selector, return the selector's implementation. */ @@ -581,7 +597,6 @@ __objc_forward (id object, SEL sel, arglist_t args) /* The object doesn't recognize the method. Check for responding to error:. If it does then sent it. */ { - size_t strlen (const char*); char msg[256 + strlen ((const char*)sel_get_name (sel)) + strlen ((const char*)object->class_pointer->name)]; |