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 id nop(id self) { return self; }
  20 __END_DECLS
  21
  22 asm(
  23     ".globl _OBJC_CLASS_$_Super    \n"
  24     ".section __DATA,__objc_data  \n"
  25     ".align 3                     \n"
  26     "_OBJC_CLASS_$_Super:          \n"
  27     PTR "_OBJC_METACLASS_$_Super   \n"
  28     PTR "0                        \n"
  29     PTR "__objc_empty_cache \n"
  30     PTR "0 \n"
  31     PTR "L_ro \n"
  32     // pad to OBJC_MAX_CLASS_SIZE
  33     PTR "0 \n"
  34     PTR "0 \n"
  35     PTR "0 \n"
  36     PTR "0 \n"
  37     PTR "0 \n"
  38     PTR "0 \n"
  39     PTR "0 \n"
  40     PTR "0 \n"
  41     PTR "0 \n"
  42     PTR "0 \n"
  43     PTR "0 \n"
  44     PTR "0 \n"
  45     PTR "0 \n"
  46     PTR "0 \n"
  47     PTR "0 \n"
  48     PTR "0 \n"
  49     PTR "0 \n"
  50     PTR "0 \n"
  51     PTR "0 \n"
  52     PTR "0 \n"
  53     PTR "0 \n"
  54     PTR "0 \n"
  55     PTR "0 \n"
  56     PTR "0 \n"
  57     PTR "0 \n"
  58     PTR "0 \n"
  59     PTR "0 \n"
  60     ""
  61     "_OBJC_METACLASS_$_Super:          \n"
  62     PTR "_OBJC_METACLASS_$_Super   \n"
  63     PTR "_OBJC_CLASS_$_Super        \n"
  64     PTR "__objc_empty_cache \n"
  65     PTR "0 \n"
  66     PTR "L_meta_ro \n"
  67     // pad to OBJC_MAX_CLASS_SIZE
  68     PTR "0 \n"
  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     ""
  96     "L_ro: \n"
  97     ".long 2 \n"
  98     ".long 0 \n"
  99     ".long "PTRSIZE" \n"
 100 #if __LP64__
 101     ".long 0 \n"
 102 #endif
 103     PTR "0 \n"
 104     PTR "L_super_name \n"
 105 #if EVIL_SUPER
 106     PTR "L_evil_methods \n"
 107 #else
 108     PTR "L_good_methods \n"
 109 #endif
 110     PTR "0 \n"
 111     PTR "L_super_ivars \n"
 112     PTR "0 \n"
 113     PTR "0 \n"
 114     ""
 115     "L_meta_ro: \n"
 116     ".long 3 \n"
 117     ".long 40 \n"
 118     ".long 40 \n"
 119 #if __LP64__
 120     ".long 0 \n"
 121 #endif
 122     PTR "0 \n"
 123     PTR "L_super_name \n"
 124 #if EVIL_SUPER_META
 125     PTR "L_evil_methods \n"
 126 #else
 127     PTR "L_good_methods \n"
 128 #endif
 129     PTR "0 \n"
 130     PTR "0 \n"
 131     PTR "0 \n"
 132     PTR "0 \n"
 133
 134     ".globl _OBJC_CLASS_$_Sub    \n"
 135     ".section __DATA,__objc_data  \n"
 136     ".align 3                     \n"
 137     "_OBJC_CLASS_$_Sub:          \n"
 138     PTR "_OBJC_METACLASS_$_Sub   \n"
 139     PTR "_OBJC_CLASS_$_Super       \n"
 140     PTR "__objc_empty_cache \n"
 141     PTR "0 \n"
 142     PTR "L_sub_ro \n"
 143     // pad to OBJC_MAX_CLASS_SIZE
 144     PTR "0 \n"
 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     ""
 172     "_OBJC_METACLASS_$_Sub:          \n"
 173     PTR "_OBJC_METACLASS_$_Super   \n"
 174     PTR "_OBJC_METACLASS_$_Super        \n"
 175     PTR "__objc_empty_cache \n"
 176     PTR "0 \n"
 177     PTR "L_sub_meta_ro \n"
 178     // pad to OBJC_MAX_CLASS_SIZE
 179     PTR "0 \n"
 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     ""
 207     "L_sub_ro: \n"
 208     ".long 2 \n"
 209     ".long 0 \n"
 210     ".long "PTRSIZE" \n"
 211 #if __LP64__
 212     ".long 0 \n"
 213 #endif
 214     PTR "0 \n"
 215     PTR "L_sub_name \n"
 216 #if EVIL_SUB
 217     PTR "L_evil_methods \n"
 218 #else
 219     PTR "L_good_methods \n"
 220 #endif
 221     PTR "0 \n"
 222     PTR "L_sub_ivars \n"
 223     PTR "0 \n"
 224     PTR "0 \n"
 225     ""
 226     "L_sub_meta_ro: \n"
 227     ".long 3 \n"
 228     ".long 40 \n"
 229     ".long 40 \n"
 230 #if __LP64__
 231     ".long 0 \n"
 232 #endif
 233     PTR "0 \n"
 234     PTR "L_sub_name \n"
 235 #if EVIL_SUB_META
 236     PTR "L_evil_methods \n"
 237 #else
 238     PTR "L_good_methods \n"
 239 #endif
 240     PTR "0 \n"
 241     PTR "0 \n"
 242     PTR "0 \n"
 243     PTR "0 \n"
 244
 245     "L_evil_methods: \n"
 246     ".long 3*"PTRSIZE" \n"
 247     ".long 1 \n"
 248     PTR "L_load \n"
 249     PTR "L_load \n"
 250     PTR str2(SHARED_REGION_BASE+SHARED_REGION_SIZE-PAGE_MAX_SIZE) " \n"
 251
 252     "L_good_methods: \n"
 253     ".long 3*"PTRSIZE" \n"
 254     ".long 2 \n"
 255     PTR "L_load \n"
 256     PTR "L_load \n"
 257     PTR "_nop \n"
 258     PTR "L_self \n"
 259     PTR "L_self \n"
 260     PTR "_nop \n"
 261
 262     "L_super_ivars: \n"
 263     ".long 4*"PTRSIZE" \n"
 264     ".long 1 \n"
 265     PTR "L_super_ivar_offset \n"
 266     PTR "L_super_ivar_name \n"
 267     PTR "L_super_ivar_type \n"
 268     ".long "LOGPTRSIZE" \n"
 269     ".long "PTRSIZE" \n"
 270
 271     "L_sub_ivars: \n"
 272     ".long 4*"PTRSIZE" \n"
 273     ".long 1 \n"
 274     PTR "L_sub_ivar_offset \n"
 275     PTR "L_sub_ivar_name \n"
 276     PTR "L_sub_ivar_type \n"
 277     ".long "LOGPTRSIZE" \n"
 278     ".long "PTRSIZE" \n"
 279
 280     "L_super_ivar_offset: \n"
 281     ".long 0 \n"
 282     "L_sub_ivar_offset: \n"
 283     ".long "PTRSIZE" \n"
 284
 285     ".cstring \n"
 286     "L_super_name:       .ascii \"Super\\0\" \n"
 287     "L_sub_name:         .ascii \"Sub\\0\" \n"
 288     "L_load:             .ascii \"load\\0\" \n"
 289     "L_self:             .ascii \"self\\0\" \n"
 290     "L_super_ivar_name:  .ascii \"super_ivar\\0\" \n"
 291     "L_super_ivar_type:  .ascii \"c\\0\" \n"
 292     "L_sub_ivar_name:    .ascii \"sub_ivar\\0\" \n"
 293     "L_sub_ivar_type:    .ascii \"@\\0\" \n"
 294
 295
 296     ".section __DATA,__objc_classlist \n"
 297 #if !OMIT_SUPER
 298     PTR "_OBJC_CLASS_$_Super \n"
 299 #endif
 300 #if !OMIT_SUB
 301     PTR "_OBJC_CLASS_$_Sub \n"
 302 #endif
 303
 304     ".section __DATA,__objc_nlclslist \n"
 305 #if !OMIT_NL_SUPER
 306     PTR "_OBJC_CLASS_$_Super \n"
 307 #endif
 308 #if !OMIT_NL_SUB
 309     PTR "_OBJC_CLASS_$_Sub \n"
 310 #endif
 311
 312     ".text \n"
 313 );
 314
 315 // __OBJC2__
 316 #endif
 317
 318 void fn(void) { }