test/evil-class-def.m

   1 #if __OBJC2__
   2
   3 #include <mach/shared_region.h>
   4
   5 #if __LP64__
   6 #   define PTR " .quad "
   7 #else
   8 #   define PTR " .long "
   9 #endif
  10
  11 #define str(x) #x
  12 #define str2(x) str(x)
  13
  14 __BEGIN_DECLS
  15 void nop(void) { }
  16 __END_DECLS
  17
  18 asm(
  19     ".globl _OBJC_CLASS_$_Super    \n"
  20     ".section __DATA,__objc_data  \n"
  21     ".align 3                     \n"
  22     "_OBJC_CLASS_$_Super:          \n"
  23     PTR "_OBJC_METACLASS_$_Super   \n"
  24     PTR "0                        \n"
  25     PTR "__objc_empty_cache \n"
  26     PTR "__objc_empty_vtable \n"
  27     PTR "L_ro \n"
  28     ""
  29     "_OBJC_METACLASS_$_Super:          \n"
  30     PTR "_OBJC_METACLASS_$_Super   \n"
  31     PTR "_OBJC_CLASS_$_Super        \n"
  32     PTR "__objc_empty_cache \n"
  33     PTR "__objc_empty_vtable \n"
  34     PTR "L_meta_ro \n"
  35     ""
  36     "L_ro: \n"
  37     ".long 2 \n"
  38     ".long 0 \n"
  39     ".long 0 \n"
  40 #if __LP64__
  41     ".long 0 \n"
  42 #endif
  43     PTR "0 \n"
  44     PTR "L_super_name \n"
  45 #if EVIL_SUPER
  46     PTR "L_evil_methods \n"
  47 #else
  48     PTR "L_good_methods \n"
  49 #endif
  50     PTR "0 \n"
  51     PTR "0 \n"
  52     PTR "0 \n"
  53     PTR "0 \n"
  54     ""
  55     "L_meta_ro: \n"
  56     ".long 3 \n"
  57     ".long 40 \n"
  58     ".long 40 \n"
  59 #if __LP64__
  60     ".long 0 \n"
  61 #endif
  62     PTR "0 \n"
  63     PTR "L_super_name \n"
  64 #if EVIL_SUPER_META
  65     PTR "L_evil_methods \n"
  66 #else
  67     PTR "L_good_methods \n"
  68 #endif
  69     PTR "0 \n"
  70     PTR "0 \n"
  71     PTR "0 \n"
  72     PTR "0 \n"
  73
  74     ".globl _OBJC_CLASS_$_Sub    \n"
  75     ".section __DATA,__objc_data  \n"
  76     ".align 3                     \n"
  77     "_OBJC_CLASS_$_Sub:          \n"
  78     PTR "_OBJC_METACLASS_$_Sub   \n"
  79     PTR "_OBJC_CLASS_$_Super       \n"
  80     PTR "__objc_empty_cache \n"
  81     PTR "__objc_empty_vtable \n"
  82     PTR "L_sub_ro \n"
  83     ""
  84     "_OBJC_METACLASS_$_Sub:          \n"
  85     PTR "_OBJC_METACLASS_$_Super   \n"
  86     PTR "_OBJC_METACLASS_$_Super        \n"
  87     PTR "__objc_empty_cache \n"
  88     PTR "__objc_empty_vtable \n"
  89     PTR "L_sub_meta_ro \n"
  90     ""
  91     "L_sub_ro: \n"
  92     ".long 2 \n"
  93     ".long 0 \n"
  94     ".long 0 \n"
  95 #if __LP64__
  96     ".long 0 \n"
  97 #endif
  98     PTR "0 \n"
  99     PTR "L_sub_name \n"
 100 #if EVIL_SUB
 101     PTR "L_evil_methods \n"
 102 #else
 103     PTR "L_good_methods \n"
 104 #endif
 105     PTR "0 \n"
 106     PTR "0 \n"
 107     PTR "0 \n"
 108     PTR "0 \n"
 109     ""
 110     "L_sub_meta_ro: \n"
 111     ".long 3 \n"
 112     ".long 40 \n"
 113     ".long 40 \n"
 114 #if __LP64__
 115     ".long 0 \n"
 116 #endif
 117     PTR "0 \n"
 118     PTR "L_sub_name \n"
 119 #if EVIL_SUB_META
 120     PTR "L_evil_methods \n"
 121 #else
 122     PTR "L_good_methods \n"
 123 #endif
 124     PTR "0 \n"
 125     PTR "0 \n"
 126     PTR "0 \n"
 127     PTR "0 \n"
 128
 129     "L_evil_methods: \n"
 130     ".long 24 \n"
 131     ".long 1 \n"
 132     PTR "L_load \n"
 133     PTR "L_load \n"
 134     PTR str2(SHARED_REGION_BASE+SHARED_REGION_SIZE-0x1000) " \n"
 135
 136     "L_good_methods: \n"
 137     ".long 24 \n"
 138     ".long 1 \n"
 139     PTR "L_load \n"
 140     PTR "L_load \n"
 141     PTR "_nop \n"
 142
 143     ".cstring \n"
 144     "L_super_name: .ascii \"Super\\0\" \n"
 145     "L_sub_name:   .ascii \"Sub\\0\" \n"
 146     "L_load:       .ascii \"load\\0\" \n"
 147
 148
 149     ".section __DATA,__objc_classlist \n"
 150 #if !OMIT_SUPER
 151     PTR "_OBJC_CLASS_$_Super \n"
 152 #endif
 153 #if !OMIT_SUB
 154     PTR "_OBJC_CLASS_$_Sub \n"
 155 #endif
 156
 157     ".section __DATA,__objc_nlclslist \n"
 158 #if !OMIT_NL_SUPER
 159     PTR "_OBJC_CLASS_$_Super \n"
 160 #endif
 161 #if !OMIT_NL_SUB
 162     PTR "_OBJC_CLASS_$_Sub \n"
 163 #endif
 164
 165     ".text \n"
 166 );
 167
 168 // __OBJC2__
 169 #endif
 170
 171 void fn(void) { }