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Added __objc_msg_forward...

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Added __objc_msg_forward, a hook that allows external libraries to
provide a function that returns the real forwarding function. This can
alleviate problems __builtin_apply() and friends have on various
platforms. (Solution suggested by Helge Hess.)

From-SVN: r38651
This commit is contained in:
Ovidiu Predescu 2001-01-03 08:49:34 +00:00
parent 68b61df962
commit 406515b276
1 changed files with 7 additions and 0 deletions
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7
libobjc/objc/objc-api.h
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@ -414,6 +414,13 @@ extern void *(*_objc_realloc)(void *, size_t);
extern void *(*_objc_calloc)(size_t, size_t);
extern void (*_objc_free)(void *);
/*
** Hook for method forwarding. This makes it easy to substitute a
** library, such as ffcall, that implements closures, thereby avoiding
** gcc's __builtin_apply problems.
*/
extern IMP (*__objc_msg_forward)(SEL);
Method_t class_get_class_method(MetaClass class, SEL aSel);
Method_t class_get_instance_method(Class class, SEL aSel);