︙ | | |
83
84
85
86
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95
96
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99
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83
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91
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95
96
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-
-
-
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(__BIGGEST_ALIGNMENT__ - 1)) & ~(__BIGGEST_ALIGNMENT__ - 1))
#define PRE_MEM(mem) ((struct pre_mem*)(void*)((char*)mem - PRE_MEM_ALIGN))
static struct {
Class isa;
} alloc_failed_exception;
static SEL cxx_construct = NULL;
static SEL cxx_destruct = NULL;
size_t of_pagesize;
size_t of_num_cpus;
#if !defined(OF_APPLE_RUNTIME) || defined(__OBJC2__)
static void
uncaught_exception_handler(id exception)
{
|
︙ | | |
202
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202
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-
+
+
+
+
+
+
|
exceptionWithClass: class];
}
#endif
instance = (OFObject*)((char*)instance + PRE_IVAR_ALIGN);
memset(instance, 0, instanceSize);
object_setClass(instance, class);
if (!objc_constructInstance(class, instance)) {
free((char*)instance - PRE_IVAR_ALIGN);
@throw [OFInitializationFailedException
exceptionWithClass: class];
}
if OF_UNLIKELY (extra != NULL)
*extra = (char*)instance + instanceSize + extraAlignment;
return instance;
}
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︙ | | |
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240
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251
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-
-
-
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-
-
-
-
-
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objc_forward_handler = forward_handler;
#endif
#ifdef HAVE_OBJC_ENUMERATIONMUTATION
objc_setEnumerationMutationHandler(enumeration_mutation_handler);
#endif
cxx_construct = sel_registerName(".cxx_construct");
cxx_destruct = sel_registerName(".cxx_destruct");
if (cxx_construct == NULL || cxx_destruct == NULL) {
fputs("Runtime error: Failed to register selector "
".cxx_construct and/or .cxx_destruct!\n", stderr);
abort();
}
#if defined(_WIN32)
SYSTEM_INFO si;
GetSystemInfo(&si);
of_pagesize = si.dwPageSize;
of_num_cpus = si.dwNumberOfProcessors;
#elif defined(__QNX__)
if ((of_pagesize = sysconf(_SC_PAGESIZE)) < 1)
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︙ | | |
507
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519
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533
534
535
536
537
|
500
501
502
503
504
505
506
507
508
509
510
511
512
513
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
+ (BOOL)resolveInstanceMethod: (SEL)selector
{
return NO;
}
- init
{
Class class;
void (*last)(id, SEL) = NULL;
for (class = object_getClass(self); class != Nil;
class = class_getSuperclass(class)) {
void (*construct)(id, SEL);
if ([class instancesRespondToSelector: cxx_construct]) {
if ((construct = (void(*)(id, SEL))[class
instanceMethodForSelector: cxx_construct]) != last)
construct(self, cxx_construct);
last = construct;
} else
break;
}
return self;
}
- (Class)class
{
return object_getClass(self);
}
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︙ | | |
823
824
825
826
827
828
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830
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815
|
-
-
-
-
-
-
-
-
-
-
-
-
+
-
-
-
|
- (BOOL)isProxy
{
return NO;
}
- (void)dealloc
{
Class class;
void (*last)(id, SEL) = NULL;
struct pre_mem *iter;
for (class = object_getClass(self); class != Nil;
class = class_getSuperclass(class)) {
void (*destruct)(id, SEL);
if ([class instancesRespondToSelector: cxx_destruct]) {
if ((destruct = (void(*)(id, SEL))[class
instanceMethodForSelector: cxx_destruct]) != last)
destruct(self, cxx_destruct);
last = destruct;
objc_destructInstance(self);
} else
break;
}
iter = PRE_IVAR->firstMem;
while (iter != NULL) {
struct pre_mem *next = iter->next;
/*
* We can use owner as a sentinel to prevent exploitation in
|
︙ | | |