test/evil-class-def.m

   1 #if __OBJC2__
   2
   3 #include <mach/shared_region.h>
   4
   5 #if __LP64__
   6 #   define PTR " .quad "
   7 #   define PTRSIZE "8"
   8 #   define LOGPTRSIZE "3"
   9 #else
  10 #   define PTR " .long "
  11 #   define PTRSIZE "4"
  12 #   define LOGPTRSIZE "2"
  13 #endif
  14
  15 #define str(x) #x
  16 #define str2(x) str(x)
  17
  18 __BEGIN_DECLS
  19 // not id to avoid ARC operations because the class doesn't implement RR methods
  20 void* nop(void* self) { return self; }
  21 __END_DECLS
  22
  23 asm(
  24     ".globl _OBJC_CLASS_$_Super    \n"
  25     ".section __DATA,__objc_data  \n"
  26     ".align 3                     \n"
  27     "_OBJC_CLASS_$_Super:          \n"
  28     PTR "_OBJC_METACLASS_$_Super   \n"
  29     PTR "0                        \n"
  30     PTR "__objc_empty_cache \n"
  31     PTR "0 \n"
  32     PTR "L_ro \n"
  33     // pad to OBJC_MAX_CLASS_SIZE
  34     PTR "0 \n"
  35     PTR "0 \n"
  36     PTR "0 \n"
  37     PTR "0 \n"
  38     PTR "0 \n"
  39     PTR "0 \n"
  40     PTR "0 \n"
  41     PTR "0 \n"
  42     PTR "0 \n"
  43     PTR "0 \n"
  44     PTR "0 \n"
  45     PTR "0 \n"
  46     PTR "0 \n"
  47     PTR "0 \n"
  48     PTR "0 \n"
  49     PTR "0 \n"
  50     PTR "0 \n"
  51     PTR "0 \n"
  52     PTR "0 \n"
  53     PTR "0 \n"
  54     PTR "0 \n"
  55     PTR "0 \n"
  56     PTR "0 \n"
  57     PTR "0 \n"
  58     PTR "0 \n"
  59     PTR "0 \n"
  60     PTR "0 \n"
  61     ""
  62     "_OBJC_METACLASS_$_Super:          \n"
  63     PTR "_OBJC_METACLASS_$_Super   \n"
  64     PTR "_OBJC_CLASS_$_Super        \n"
  65     PTR "__objc_empty_cache \n"
  66     PTR "0 \n"
  67     PTR "L_meta_ro \n"
  68     // pad to OBJC_MAX_CLASS_SIZE
  69     PTR "0 \n"
  70     PTR "0 \n"
  71     PTR "0 \n"
  72     PTR "0 \n"
  73     PTR "0 \n"
  74     PTR "0 \n"
  75     PTR "0 \n"
  76     PTR "0 \n"
  77     PTR "0 \n"
  78     PTR "0 \n"
  79     PTR "0 \n"
  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     ""
  97     "L_ro: \n"
  98     ".long 2 \n"
  99     ".long 0 \n"
 100     ".long "PTRSIZE" \n"
 101 #if __LP64__
 102     ".long 0 \n"
 103 #endif
 104     PTR "0 \n"
 105     PTR "L_super_name \n"
 106 #if EVIL_SUPER
 107     PTR "L_evil_methods \n"
 108 #else
 109     PTR "L_good_methods \n"
 110 #endif
 111     PTR "0 \n"
 112     PTR "L_super_ivars \n"
 113     PTR "0 \n"
 114     PTR "0 \n"
 115     ""
 116     "L_meta_ro: \n"
 117     ".long 3 \n"
 118     ".long 40 \n"
 119     ".long 40 \n"
 120 #if __LP64__
 121     ".long 0 \n"
 122 #endif
 123     PTR "0 \n"
 124     PTR "L_super_name \n"
 125 #if EVIL_SUPER_META
 126     PTR "L_evil_methods \n"
 127 #else
 128     PTR "L_good_methods \n"
 129 #endif
 130     PTR "0 \n"
 131     PTR "0 \n"
 132     PTR "0 \n"
 133     PTR "0 \n"
 134
 135     ".globl _OBJC_CLASS_$_Sub    \n"
 136     ".section __DATA,__objc_data  \n"
 137     ".align 3                     \n"
 138     "_OBJC_CLASS_$_Sub:          \n"
 139     PTR "_OBJC_METACLASS_$_Sub   \n"
 140     PTR "_OBJC_CLASS_$_Super       \n"
 141     PTR "__objc_empty_cache \n"
 142     PTR "0 \n"
 143     PTR "L_sub_ro \n"
 144     // pad to OBJC_MAX_CLASS_SIZE
 145     PTR "0 \n"
 146     PTR "0 \n"
 147     PTR "0 \n"
 148     PTR "0 \n"
 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     ""
 173     "_OBJC_METACLASS_$_Sub:          \n"
 174     PTR "_OBJC_METACLASS_$_Super   \n"
 175     PTR "_OBJC_METACLASS_$_Super        \n"
 176     PTR "__objc_empty_cache \n"
 177     PTR "0 \n"
 178     PTR "L_sub_meta_ro \n"
 179     // pad to OBJC_MAX_CLASS_SIZE
 180     PTR "0 \n"
 181     PTR "0 \n"
 182     PTR "0 \n"
 183     PTR "0 \n"
 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     ""
 208     "L_sub_ro: \n"
 209     ".long 2 \n"
 210     ".long 0 \n"
 211     ".long "PTRSIZE" \n"
 212 #if __LP64__
 213     ".long 0 \n"
 214 #endif
 215     PTR "0 \n"
 216     PTR "L_sub_name \n"
 217 #if EVIL_SUB
 218     PTR "L_evil_methods \n"
 219 #else
 220     PTR "L_good_methods \n"
 221 #endif
 222     PTR "0 \n"
 223     PTR "L_sub_ivars \n"
 224     PTR "0 \n"
 225     PTR "0 \n"
 226     ""
 227     "L_sub_meta_ro: \n"
 228     ".long 3 \n"
 229     ".long 40 \n"
 230     ".long 40 \n"
 231 #if __LP64__
 232     ".long 0 \n"
 233 #endif
 234     PTR "0 \n"
 235     PTR "L_sub_name \n"
 236 #if EVIL_SUB_META
 237     PTR "L_evil_methods \n"
 238 #else
 239     PTR "L_good_methods \n"
 240 #endif
 241     PTR "0 \n"
 242     PTR "0 \n"
 243     PTR "0 \n"
 244     PTR "0 \n"
 245
 246     "L_evil_methods: \n"
 247     ".long 3*"PTRSIZE" \n"
 248     ".long 1 \n"
 249     PTR "L_load \n"
 250     PTR "L_load \n"
 251     PTR str2(SHARED_REGION_BASE+SHARED_REGION_SIZE-PAGE_MAX_SIZE) " \n"
 252
 253     "L_good_methods: \n"
 254     ".long 3*"PTRSIZE" \n"
 255     ".long 2 \n"
 256     PTR "L_load \n"
 257     PTR "L_load \n"
 258     PTR "_nop \n"
 259     PTR "L_self \n"
 260     PTR "L_self \n"
 261     PTR "_nop \n"
 262
 263     "L_super_ivars: \n"
 264     ".long 4*"PTRSIZE" \n"
 265     ".long 1 \n"
 266     PTR "L_super_ivar_offset \n"
 267     PTR "L_super_ivar_name \n"
 268     PTR "L_super_ivar_type \n"
 269     ".long "LOGPTRSIZE" \n"
 270     ".long "PTRSIZE" \n"
 271
 272     "L_sub_ivars: \n"
 273     ".long 4*"PTRSIZE" \n"
 274     ".long 1 \n"
 275     PTR "L_sub_ivar_offset \n"
 276     PTR "L_sub_ivar_name \n"
 277     PTR "L_sub_ivar_type \n"
 278     ".long "LOGPTRSIZE" \n"
 279     ".long "PTRSIZE" \n"
 280
 281     "L_super_ivar_offset: \n"
 282     ".long 0 \n"
 283     "L_sub_ivar_offset: \n"
 284     ".long "PTRSIZE" \n"
 285
 286     ".cstring \n"
 287     "L_super_name:       .ascii \"Super\\0\" \n"
 288     "L_sub_name:         .ascii \"Sub\\0\" \n"
 289     "L_load:             .ascii \"load\\0\" \n"
 290     "L_self:             .ascii \"self\\0\" \n"
 291     "L_super_ivar_name:  .ascii \"super_ivar\\0\" \n"
 292     "L_super_ivar_type:  .ascii \"c\\0\" \n"
 293     "L_sub_ivar_name:    .ascii \"sub_ivar\\0\" \n"
 294     "L_sub_ivar_type:    .ascii \"@\\0\" \n"
 295
 296
 297     ".section __DATA,__objc_classlist \n"
 298 #if !OMIT_SUPER
 299     PTR "_OBJC_CLASS_$_Super \n"
 300 #endif
 301 #if !OMIT_SUB
 302     PTR "_OBJC_CLASS_$_Sub \n"
 303 #endif
 304
 305     ".section __DATA,__objc_nlclslist \n"
 306 #if !OMIT_NL_SUPER
 307     PTR "_OBJC_CLASS_$_Super \n"
 308 #endif
 309 #if !OMIT_NL_SUB
 310     PTR "_OBJC_CLASS_$_Sub \n"
 311 #endif
 312
 313     ".text \n"
 314 );
 315
 316 // __OBJC2__
 317 #endif
 318
 319 void fn(void) { }