test/swift-class-def.m

   1 #include <sys/cdefs.h>
   2
   3 #if __LP64__
   4 #   define PTR " .quad "
   5 #   define PTRSIZE "8"
   6 #   define LOGPTRSIZE "3"
   7 #else
   8 #   define PTR " .long "
   9 #   define PTRSIZE "4"
  10 #   define LOGPTRSIZE "2"
  11 #endif
  12
  13 #if __has_feature(ptrauth_calls)
  14 #   define SIGNED_METHOD_LIST_IMP "@AUTH(ia,0,addr) "
  15 #else
  16 #   define SIGNED_METHOD_LIST_IMP
  17 #endif
  18
  19 #define str(x) #x
  20 #define str2(x) str(x)
  21
  22 // Swift metadata initializers. Define these in the test.
  23 EXTERN_C Class initSuper(Class cls, void *arg);
  24 EXTERN_C Class initSub(Class cls, void *arg);
  25
  26 @interface SwiftSuper : NSObject @end
  27 @interface SwiftSub : SwiftSuper @end
  28
  29 __BEGIN_DECLS
  30 // not id to avoid ARC operations because the class doesn't implement RR methods
  31 void* nop(void* self) { return self; }
  32 __END_DECLS
  33
  34 asm(
  35     ".globl _OBJC_CLASS_$_SwiftSuper    \n"
  36     ".section __DATA,__objc_data  \n"
  37     ".align 3                     \n"
  38     "_OBJC_CLASS_$_SwiftSuper:          \n"
  39     PTR "_OBJC_METACLASS_$_SwiftSuper   \n"
  40     PTR "_OBJC_CLASS_$_NSObject         \n"
  41     PTR "__objc_empty_cache \n"
  42     PTR "0 \n"
  43     PTR "L_ro + 2 \n"
  44     // pad to OBJC_MAX_CLASS_SIZE
  45     PTR "0 \n"
  46     PTR "0 \n"
  47     PTR "0 \n"
  48     PTR "0 \n"
  49     PTR "0 \n"
  50     PTR "0 \n"
  51     PTR "0 \n"
  52     PTR "0 \n"
  53     PTR "0 \n"
  54     PTR "0 \n"
  55     PTR "0 \n"
  56     PTR "0 \n"
  57     PTR "0 \n"
  58     PTR "0 \n"
  59     PTR "0 \n"
  60     PTR "0 \n"
  61     PTR "0 \n"
  62     PTR "0 \n"
  63     PTR "0 \n"
  64     PTR "0 \n"
  65     PTR "0 \n"
  66     PTR "0 \n"
  67     PTR "0 \n"
  68     PTR "0 \n"
  69     PTR "0 \n"
  70     PTR "0 \n"
  71     PTR "0 \n"
  72     ""
  73     "_OBJC_METACLASS_$_SwiftSuper:          \n"
  74     PTR "_OBJC_METACLASS_$_NSObject   \n"
  75     PTR "_OBJC_METACLASS_$_NSObject   \n"
  76     PTR "__objc_empty_cache \n"
  77     PTR "0 \n"
  78     PTR "L_meta_ro \n"
  79     // pad to OBJC_MAX_CLASS_SIZE
  80     PTR "0 \n"
  81     PTR "0 \n"
  82     PTR "0 \n"
  83     PTR "0 \n"
  84     PTR "0 \n"
  85     PTR "0 \n"
  86     PTR "0 \n"
  87     PTR "0 \n"
  88     PTR "0 \n"
  89     PTR "0 \n"
  90     PTR "0 \n"
  91     PTR "0 \n"
  92     PTR "0 \n"
  93     PTR "0 \n"
  94     PTR "0 \n"
  95     PTR "0 \n"
  96     PTR "0 \n"
  97     PTR "0 \n"
  98     PTR "0 \n"
  99     PTR "0 \n"
 100     PTR "0 \n"
 101     PTR "0 \n"
 102     PTR "0 \n"
 103     PTR "0 \n"
 104     PTR "0 \n"
 105     PTR "0 \n"
 106     PTR "0 \n"
 107     ""
 108     "L_ro: \n"
 109     ".long (1<<6)\n"
 110     ".long 0 \n"
 111     ".long "PTRSIZE" \n"
 112 #if __LP64__
 113     ".long 0 \n"
 114 #endif
 115     PTR "0 \n"
 116     PTR "L_super_name \n"
 117     PTR "L_good_methods \n"
 118     PTR "0 \n"
 119     PTR "L_super_ivars \n"
 120     PTR "0 \n"
 121     PTR "0 \n"
 122     PTR "_initSuper" SIGNED_METHOD_LIST_IMP "\n"
 123     ""
 124     "L_meta_ro: \n"
 125     ".long 1 \n"
 126     ".long 40 \n"
 127     ".long 40 \n"
 128 #if __LP64__
 129     ".long 0 \n"
 130 #endif
 131     PTR "0 \n"
 132     PTR "L_super_name \n"
 133     PTR "L_good_methods \n"
 134     PTR "0 \n"
 135     PTR "0 \n"
 136     PTR "0 \n"
 137     PTR "0 \n"
 138
 139     ".globl _OBJC_CLASS_$_SwiftSub    \n"
 140     ".section __DATA,__objc_data  \n"
 141     ".align 3                     \n"
 142     "_OBJC_CLASS_$_SwiftSub:          \n"
 143     PTR "_OBJC_METACLASS_$_SwiftSub   \n"
 144     PTR "_OBJC_CLASS_$_SwiftSuper       \n"
 145     PTR "__objc_empty_cache \n"
 146     PTR "0 \n"
 147     PTR "L_sub_ro + 2 \n"
 148     // pad to OBJC_MAX_CLASS_SIZE
 149     PTR "0 \n"
 150     PTR "0 \n"
 151     PTR "0 \n"
 152     PTR "0 \n"
 153     PTR "0 \n"
 154     PTR "0 \n"
 155     PTR "0 \n"
 156     PTR "0 \n"
 157     PTR "0 \n"
 158     PTR "0 \n"
 159     PTR "0 \n"
 160     PTR "0 \n"
 161     PTR "0 \n"
 162     PTR "0 \n"
 163     PTR "0 \n"
 164     PTR "0 \n"
 165     PTR "0 \n"
 166     PTR "0 \n"
 167     PTR "0 \n"
 168     PTR "0 \n"
 169     PTR "0 \n"
 170     PTR "0 \n"
 171     PTR "0 \n"
 172     PTR "0 \n"
 173     PTR "0 \n"
 174     PTR "0 \n"
 175     PTR "0 \n"
 176     ""
 177     "_OBJC_METACLASS_$_SwiftSub:          \n"
 178     PTR "_OBJC_METACLASS_$_NSObject   \n"
 179     PTR "_OBJC_METACLASS_$_SwiftSuper        \n"
 180     PTR "__objc_empty_cache \n"
 181     PTR "0 \n"
 182     PTR "L_sub_meta_ro \n"
 183     // pad to OBJC_MAX_CLASS_SIZE
 184     PTR "0 \n"
 185     PTR "0 \n"
 186     PTR "0 \n"
 187     PTR "0 \n"
 188     PTR "0 \n"
 189     PTR "0 \n"
 190     PTR "0 \n"
 191     PTR "0 \n"
 192     PTR "0 \n"
 193     PTR "0 \n"
 194     PTR "0 \n"
 195     PTR "0 \n"
 196     PTR "0 \n"
 197     PTR "0 \n"
 198     PTR "0 \n"
 199     PTR "0 \n"
 200     PTR "0 \n"
 201     PTR "0 \n"
 202     PTR "0 \n"
 203     PTR "0 \n"
 204     PTR "0 \n"
 205     PTR "0 \n"
 206     PTR "0 \n"
 207     PTR "0 \n"
 208     PTR "0 \n"
 209     PTR "0 \n"
 210     PTR "0 \n"
 211     ""
 212     "L_sub_ro: \n"
 213     ".long (1<<6)\n"
 214     ".long 0 \n"
 215     ".long "PTRSIZE" \n"
 216 #if __LP64__
 217     ".long 0 \n"
 218 #endif
 219     PTR "0 \n"
 220     PTR "L_sub_name \n"
 221     PTR "L_good_methods \n"
 222     PTR "0 \n"
 223     PTR "L_sub_ivars \n"
 224     PTR "0 \n"
 225     PTR "0 \n"
 226     PTR "_initSub" SIGNED_METHOD_LIST_IMP "\n"
 227     ""
 228     "L_sub_meta_ro: \n"
 229     ".long 1 \n"
 230     ".long 40 \n"
 231     ".long 40 \n"
 232 #if __LP64__
 233     ".long 0 \n"
 234 #endif
 235     PTR "0 \n"
 236     PTR "L_sub_name \n"
 237     PTR "L_good_methods \n"
 238     PTR "0 \n"
 239     PTR "0 \n"
 240     PTR "0 \n"
 241     PTR "0 \n"
 242
 243     "L_good_methods: \n"
 244     ".long 3*"PTRSIZE" \n"
 245     ".long 1 \n"
 246     PTR "L_self \n"
 247     PTR "L_self \n"
 248     PTR "_nop" SIGNED_METHOD_LIST_IMP "\n"
 249
 250     "L_super_ivars: \n"
 251     ".long 4*"PTRSIZE" \n"
 252     ".long 1 \n"
 253     PTR "L_super_ivar_offset \n"
 254     PTR "L_super_ivar_name \n"
 255     PTR "L_super_ivar_type \n"
 256     ".long "LOGPTRSIZE" \n"
 257     ".long "PTRSIZE" \n"
 258
 259     "L_sub_ivars: \n"
 260     ".long 4*"PTRSIZE" \n"
 261     ".long 1 \n"
 262     PTR "L_sub_ivar_offset \n"
 263     PTR "L_sub_ivar_name \n"
 264     PTR "L_sub_ivar_type \n"
 265     ".long "LOGPTRSIZE" \n"
 266     ".long "PTRSIZE" \n"
 267
 268     "L_super_ivar_offset: \n"
 269     ".long 0 \n"
 270     "L_sub_ivar_offset: \n"
 271     ".long "PTRSIZE" \n"
 272
 273     ".cstring \n"
 274     "L_super_name:       .ascii \"SwiftSuper\\0\" \n"
 275     "L_sub_name:         .ascii \"SwiftSub\\0\" \n"
 276     "L_load:             .ascii \"load\\0\" \n"
 277     "L_self:             .ascii \"self\\0\" \n"
 278     "L_super_ivar_name:  .ascii \"super_ivar\\0\" \n"
 279     "L_super_ivar_type:  .ascii \"c\\0\" \n"
 280     "L_sub_ivar_name:    .ascii \"sub_ivar\\0\" \n"
 281     "L_sub_ivar_type:    .ascii \"@\\0\" \n"
 282
 283
 284     ".section __DATA,__objc_classlist \n"
 285     PTR "_OBJC_CLASS_$_SwiftSuper \n"
 286     PTR "_OBJC_CLASS_$_SwiftSub \n"
 287
 288     ".text \n"
 289 );
 290
 291 void fn(void) { }