ObjFW  Diff

/*
 * Copyright (c) 2008-2022 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *
 * Alternatively, it may be distributed under the terms of the GNU General
 * Public License, either version 2 or 3, which can be found in the file
 * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
 * file.
 */

#include "config.h"

#import "macros.h"
#import "platform.h"

#if !defined(__has_feature) || !__has_feature(nullability)
# ifndef _Nonnull
#  define _Nonnull
# endif
# ifndef _Nullable
#  define _Nullable

		} *_Nonnull buckets[256];
#else
		IMP _Nullable buckets[256];
#endif
	} *_Nonnull buckets[256];
};

#if defined(OBJC_COMPILING_AMIGA_LIBRARY) || \
    defined(OBJC_COMPILING_AMIGA_LINKLIB)
struct objc_libc {
	void *_Nullable (*_Nonnull malloc)(size_t);
	void *_Nullable (*_Nonnull calloc)(size_t, size_t);
	void *_Nullable (*_Nonnull realloc)(void *_Nullable, size_t);
	void (*_Nonnull free)(void *_Nullable);
# ifdef HAVE_SJLJ_EXCEPTIONS
	int (*_Nonnull _Unwind_SjLj_RaiseException)(void *_Nonnull);
# else
	int (*_Nonnull _Unwind_RaiseException)(void *_Nonnull);
# endif
	void (*_Nonnull _Unwind_DeleteException)(void *_Nonnull);
	void *_Nullable (*_Nonnull _Unwind_GetLanguageSpecificData)(
	    void *_Nonnull);
	uintptr_t (*_Nonnull _Unwind_GetRegionStart)(void *_Nonnull);
	uintptr_t (*_Nonnull _Unwind_GetDataRelBase)(void *_Nonnull);
	uintptr_t (*_Nonnull _Unwind_GetTextRelBase)(void *_Nonnull);
	uintptr_t (*_Nonnull _Unwind_GetIP)(void *_Nonnull);
	uintptr_t (*_Nonnull _Unwind_GetGR)(void *_Nonnull, int);
	void (*_Nonnull _Unwind_SetIP)(void *_Nonnull, uintptr_t);
	void (*_Nonnull _Unwind_SetGR)(void *_Nonnull, int, uintptr_t);
# ifdef HAVE_SJLJ_EXCEPTIONS
	void (*_Nonnull _Unwind_SjLj_Resume)(void *_Nonnull);
# else
	void (*_Nonnull _Unwind_Resume)(void *_Nonnull);
# endif
# ifdef OF_AMIGAOS_M68K
	void (*_Nonnull __register_frame_info)(const void *_Nonnull,
	    void *_Nonnull);
	void *(*_Nonnull __deregister_frame_info)(const void *_Nonnull);
# endif
# ifdef OF_MORPHOS
	void (*_Nonnull __register_frame)(void *_Nonnull);
	void (*_Nonnull __deregister_frame)(void *_Nonnull);
# endif
# ifdef OF_AMIGAOS_M68K
	int (*_Nonnull vsnprintf)(char *restrict _Nonnull str, size_t size,
	    const char *_Nonnull restrict fmt, va_list args);
# endif
	int (*_Nonnull atexit)(void (*_Nonnull)(void));
	void (*_Nonnull exit)(int);
};
#endif

#ifdef OBJC_COMPILING_AMIGA_LIBRARY
# if defined(__MORPHOS__)
#  include <ppcinline/macros.h>
#  define OBJC_M68K_ARG(type, name, reg) type name = (type)REG_##reg;
# else
#  define OBJC_M68K_ARG(type, name, reg)	\
	register type reg_##name __asm__(#reg);	\
	type name = reg_##name;
# endif

extern bool objc_init(unsigned int, struct objc_libc *);
# ifdef HAVE_SJLJ_EXCEPTIONS
#  define __gnu_objc_personality(version, actions, exClass, ex, ctx)	\
	__gnu_objc_personality_sj0(version, actions, *exClass, ex, ctx)
# else
#  define __gnu_objc_personality(version, actions, exClass, ex, ctx)	\
	__gnu_objc_personality_v0(version, actions, *exClass, ex, ctx)
# endif
#endif

extern void objc_registerAllCategories(struct objc_symtab *_Nonnull);
extern struct objc_category *_Nullable *_Nullable
    objc_categoriesForClass(Class _Nonnull);
extern void objc_unregisterAllCategories(void);
extern void objc_initializeClass(Class _Nonnull);
extern void objc_updateDTable(Class _Nonnull);
extern void objc_registerAllClasses(struct objc_symtab *_Nonnull);

extern void OF_NO_RETURN_FUNC objc_error(const char *_Nonnull title,
    const char *_Nonnull format, ...);
#define OBJC_ERROR(...)							\
	objc_error("ObjFWRT @ " __FILE__ ":" OF_STRINGIFY(__LINE__),	\
	    __VA_ARGS__)

#if defined(OF_ELF)
# if defined(OF_X86_64) || defined(OF_X86) || \
    defined(OF_POWERPC64) || defined(OF_POWERPC) || \
    defined(OF_ARM64) || defined(OF_ARM) || \
    defined(OF_MIPS64_N64) || defined(OF_MIPS) || \
    defined(OF_SPARC64) || defined(OF_SPARC)
#  define OF_ASM_LOOKUP
# endif
#elif defined(OF_WINDOWS)
# if defined(OF_X86_64) || defined(OF_X86)
#  define OF_ASM_LOOKUP
# endif
#endif

@interface DummyObject
{
	Class _Nonnull isa;