#include #if __LP64__ # define PTR " .quad " # define PTRSIZE "8" # define LOGPTRSIZE "3" #else # define PTR " .long " # define PTRSIZE "4" # define LOGPTRSIZE "2" #endif #if __has_feature(ptrauth_calls) # define SIGNED_METHOD_LIST_IMP "@AUTH(ia,0,addr) " #else # define SIGNED_METHOD_LIST_IMP #endif #define str(x) #x #define str2(x) str(x) __BEGIN_DECLS // not id to avoid ARC operations because the class doesn't implement RR methods void* nop(void* self) { return self; } __END_DECLS asm( ".globl _OBJC_CLASS_$_Super \n" ".section __DATA,__objc_data \n" ".align 3 \n" "_OBJC_CLASS_$_Super: \n" PTR "_OBJC_METACLASS_$_Super \n" PTR "0 \n" PTR "__objc_empty_cache \n" PTR "0 \n" PTR "L_ro \n" // pad to OBJC_MAX_CLASS_SIZE PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" "" "_OBJC_METACLASS_$_Super: \n" PTR "_OBJC_METACLASS_$_Super \n" PTR "_OBJC_CLASS_$_Super \n" PTR "__objc_empty_cache \n" PTR "0 \n" PTR "L_meta_ro \n" // pad to OBJC_MAX_CLASS_SIZE PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" "" "L_ro: \n" ".long 2 \n" ".long 0 \n" ".long " PTRSIZE " \n" #if __LP64__ ".long 0 \n" #endif PTR "0 \n" PTR "L_super_name \n" #if EVIL_SUPER PTR "L_evil_methods \n" #else PTR "L_good_methods \n" #endif PTR "0 \n" PTR "L_super_ivars \n" PTR "0 \n" PTR "0 \n" "" "L_meta_ro: \n" ".long 3 \n" ".long 40 \n" ".long 40 \n" #if __LP64__ ".long 0 \n" #endif PTR "0 \n" PTR "L_super_name \n" #if EVIL_SUPER_META PTR "L_evil_methods \n" #else PTR "L_good_methods \n" #endif PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" ".globl _OBJC_CLASS_$_Sub \n" ".section __DATA,__objc_data \n" ".align 3 \n" "_OBJC_CLASS_$_Sub: \n" PTR "_OBJC_METACLASS_$_Sub \n" PTR "_OBJC_CLASS_$_Super \n" PTR "__objc_empty_cache \n" PTR "0 \n" PTR "L_sub_ro \n" // pad to OBJC_MAX_CLASS_SIZE PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" "" "_OBJC_METACLASS_$_Sub: \n" PTR "_OBJC_METACLASS_$_Super \n" PTR "_OBJC_METACLASS_$_Super \n" PTR "__objc_empty_cache \n" PTR "0 \n" PTR "L_sub_meta_ro \n" // pad to OBJC_MAX_CLASS_SIZE PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" "" "L_sub_ro: \n" ".long 2 \n" ".long 0 \n" ".long " PTRSIZE " \n" #if __LP64__ ".long 0 \n" #endif PTR "0 \n" PTR "L_sub_name \n" #if EVIL_SUB PTR "L_evil_methods \n" #else PTR "L_good_methods \n" #endif PTR "0 \n" PTR "L_sub_ivars \n" PTR "0 \n" PTR "0 \n" "" "L_sub_meta_ro: \n" ".long 3 \n" ".long 40 \n" ".long 40 \n" #if __LP64__ ".long 0 \n" #endif PTR "0 \n" PTR "L_sub_name \n" #if EVIL_SUB_META PTR "L_evil_methods \n" #else PTR "L_good_methods \n" #endif PTR "0 \n" PTR "0 \n" PTR "0 \n" PTR "0 \n" "L_evil_methods: \n" ".long 3*" PTRSIZE " \n" ".long 1 \n" PTR "L_load \n" PTR "L_load \n" PTR "_abort" SIGNED_METHOD_LIST_IMP "\n" // assumes that abort is inside the dyld shared cache "L_good_methods: \n" ".long 3*" PTRSIZE " \n" ".long 2 \n" PTR "L_load \n" PTR "L_load \n" PTR "_nop" SIGNED_METHOD_LIST_IMP "\n" PTR "L_self \n" PTR "L_self \n" PTR "_nop" SIGNED_METHOD_LIST_IMP "\n" "L_super_ivars: \n" ".long 4*" PTRSIZE " \n" ".long 1 \n" PTR "L_super_ivar_offset \n" PTR "L_super_ivar_name \n" PTR "L_super_ivar_type \n" ".long " LOGPTRSIZE " \n" ".long " PTRSIZE " \n" "L_sub_ivars: \n" ".long 4*" PTRSIZE " \n" ".long 1 \n" PTR "L_sub_ivar_offset \n" PTR "L_sub_ivar_name \n" PTR "L_sub_ivar_type \n" ".long " LOGPTRSIZE " \n" ".long " PTRSIZE " \n" "L_super_ivar_offset: \n" ".long 0 \n" "L_sub_ivar_offset: \n" ".long " PTRSIZE " \n" ".cstring \n" "L_super_name: .ascii \"Super\\0\" \n" "L_sub_name: .ascii \"Sub\\0\" \n" "L_load: .ascii \"load\\0\" \n" "L_self: .ascii \"self\\0\" \n" "L_super_ivar_name: .ascii \"super_ivar\\0\" \n" "L_super_ivar_type: .ascii \"c\\0\" \n" "L_sub_ivar_name: .ascii \"sub_ivar\\0\" \n" "L_sub_ivar_type: .ascii \"@\\0\" \n" ".section __DATA,__objc_classlist \n" #if !OMIT_SUPER PTR "_OBJC_CLASS_$_Super \n" #endif #if !OMIT_SUB PTR "_OBJC_CLASS_$_Sub \n" #endif ".section __DATA,__objc_nlclslist \n" #if !OMIT_NL_SUPER PTR "_OBJC_CLASS_$_Super \n" #endif #if !OMIT_NL_SUB PTR "_OBJC_CLASS_$_Sub \n" #endif ".text \n" ); void fn(void) { }