ObjFW  Check-in [126632e200]

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Comment:Add OF_WEAK_REF()
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SHA3-256: 126632e2001db9bff44df47fd492173db8a813d70bf5692bd8d4c552c6a9bea7
User & Date: js on 2017-04-02 02:02:30
Other Links: manifest | tags
Context
2017-04-02
12:13
Use OF_PATH_CURRENT_DIRECTORY instead of @"." check-in: 643985e07a user: js tags: trunk
02:02
Add OF_WEAK_REF() check-in: 126632e200 user: js tags: trunk
01:06
Add OF_CONSTRUCTOR() / OF_DESTRUCTOR() check-in: d07c56a8bb user: js tags: trunk
Changes
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Modified src/OFObject.m from [21ee30041a] to [349066991f].

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#if defined(OF_HAVE_ATOMIC_OPS)
# import "atomic.h"
#elif defined(OF_HAVE_THREADS)
# import "threading.h"
#endif

#ifdef OF_APPLE_RUNTIME
extern double *NSFoundationVersionNumber __attribute__((__weak__));
static double NSFoundationVersionNumber
    OF_WEAK_REF("NSFoundationVersionNumber");
#endif

#if defined(OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR)
extern id of_forward(id, SEL, ...);
extern struct stret of_forward_stret(id, SEL, ...);
#else
# define of_forward of_method_not_found
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Modified src/macros.h from [35fb899dee] to [b2cfcb1101].

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#ifdef __GNUC__
# define OF_INLINE inline __attribute__((__always_inline__))
# define OF_LIKELY(cond) (__builtin_expect(!!(cond), 1))
# define OF_UNLIKELY(cond) (__builtin_expect(!!(cond), 0))
# define OF_CONST_FUNC __attribute__((__const__))
# define OF_NO_RETURN_FUNC __attribute__((__noreturn__))
# define OF_WEAK_REF(sym) __attribute__((__weakref__(sym)))
#else
# define OF_INLINE inline
# define OF_LIKELY(cond) cond
# define OF_UNLIKELY(cond) cond
# define OF_CONST_FUNC
# define OF_NO_RETURN_FUNC
# define OF_WEAK_REF(sym)
#endif

#ifdef OF_BIG_ENDIAN
# define OF_BYTE_ORDER_NATIVE OF_BYTE_ORDER_BIG_ENDIAN
#else
# define OF_BYTE_ORDER_NATIVE OF_BYTE_ORDER_LITTLE_ENDIAN
#endif
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Modified src/runtime/exception.m from [b2da8e6383] to [4a94088d13].

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#import "runtime.h"
#import "runtime-private.h"

#import "macros.h"

#if defined(HAVE_DWARF_EXCEPTIONS)
# define PERSONALITY	 __gnu_objc_personality_v0
# define CXX_PERSONALITY __gxx_personality_v0
# define PERSONALITY __gnu_objc_personality_v0
# define CXX_PERSONALITY_STR "__gxx_personality_v0"
#elif defined(HAVE_SJLJ_EXCEPTIONS)
# define PERSONALITY	 __gnu_objc_personality_sj0
# define CXX_PERSONALITY __gxx_personality_sj0
# define PERSONALITY __gnu_objc_personality_sj0
# define CXX_PERSONALITY_STR "__gxx_personality_sj0"
# define _Unwind_RaiseException _Unwind_SjLj_RaiseException
# define __builtin_eh_return_data_regno(i) (i)
#elif defined(HAVE_SEH_EXCEPTIONS)
# define PERSONALITY	 gnu_objc_personality
#else
# error Unknown exception type!
#endif
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{
	uintptr_t thumb = _Unwind_GetGR(ctx, 15) & 1;
	_Unwind_SetGR(ctx, 15, (value | thumb));
}
#endif

#ifdef CXX_PERSONALITY
extern PERSONALITY_FUNC(CXX_PERSONALITY) __attribute__((__weak__));
static PERSONALITY_FUNC(cxx_personality) OF_WEAK_REF(CXX_PERSONALITY_STR);
#endif

#ifdef HAVE_SEH_EXCEPTIONS
extern EXCEPTION_DISPOSITION _GCC_specific_handler(PEXCEPTION_RECORD, void*,
    PCONTEXT, PDISPATCHER_CONTEXT, _Unwind_Reason_Code(*)(int, int, uint64_t,
    struct _Unwind_Exception*, struct _Unwind_Context*));
#endif
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	intptr_t filter = 0;

	if (foreign) {
		switch (ex_class) {
#ifdef CXX_PERSONALITY
		case GNUCCXX0_EXCEPTION_CLASS:
		case CLNGCXX0_EXCEPTION_CLASS:
			if (CXX_PERSONALITY != NULL)
				return CALL_PERSONALITY(CXX_PERSONALITY);
			if (cxx_personality != NULL)
				return CALL_PERSONALITY(cxx_personality);
			break;
#endif
		}

		/*
		 * None matched or none available - we'll try to handle it
		 * anyway, but will most likely fail.
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Fossil 2.23 [47362306a7] 2023-11-01 18:56:47
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