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* file.
*/
#include "config.h"
#include "platform.h"
#if defined(__has_feature) && __has_feature(nullability)
# define OBJC_NONNULL _Nonnull
# define OBJC_NULLABLE _Nullable
#else
# define OBJC_NONNULL
# define OBJC_NULLABLE
#endif
struct objc_abi_class {
struct objc_abi_class *OBJC_NONNULL metaclass;
const char *OBJC_NULLABLE superclass;
const char *OBJC_NONNULL name;
unsigned long version;
unsigned long info;
long instance_size;
void *OBJC_NULLABLE ivars;
struct objc_abi_method_list *OBJC_NULLABLE methodlist;
void *OBJC_NULLABLE dtable;
void *OBJC_NULLABLE subclass_list;
void *OBJC_NULLABLE sibling_class;
void *OBJC_NULLABLE protocols;
void *OBJC_NULLABLE gc_object_type;
long abi_version;
int32_t *OBJC_NONNULL *OBJC_NULLABLE ivar_offsets;
void *OBJC_NULLABLE properties;
};
struct objc_abi_selector {
const char *OBJC_NONNULL name;
const char *OBJC_NULLABLE types;
};
struct objc_abi_method {
struct objc_abi_selector sel;
IMP OBJC_NONNULL imp;
};
struct objc_abi_method_list {
struct objc_abi_method_list *OBJC_NULLABLE next;
unsigned int count;
struct objc_abi_method methods[1];
};
struct objc_abi_category {
const char *OBJC_NONNULL category_name;
const char *OBJC_NONNULL class_name;
struct objc_abi_method_list *OBJC_NULLABLE instance_methods;
struct objc_abi_method_list *OBJC_NULLABLE class_methods;
struct objc_protocol_list *OBJC_NULLABLE protocols;
};
struct objc_abi_method_description {
const char *OBJC_NONNULL name;
const char *OBJC_NONNULL types;
};
struct objc_abi_method_description_list {
int count;
struct objc_abi_method_description list[1];
};
struct objc_abi_static_instances {
const char *OBJC_NONNULL class_name;
id OBJC_NULLABLE instances[1];
};
struct objc_abi_symtab {
unsigned long unknown;
struct objc_abi_selector *OBJC_NULLABLE sel_refs;
uint16_t cls_def_cnt;
uint16_t cat_def_cnt;
void *OBJC_NONNULL defs[1];
};
struct objc_abi_module {
unsigned long version; /* 9 = non-fragile */
unsigned long size;
const char *OBJC_NULLABLE name;
struct objc_abi_symtab *OBJC_NONNULL symtab;
};
struct objc_hashtable_bucket {
const void *OBJC_NONNULL key, *OBJC_NONNULL obj;
uint32_t hash;
};
struct objc_hashtable {
uint32_t (*OBJC_NONNULL hash)(const void *OBJC_NONNULL key);
bool (*OBJC_NONNULL equal)(const void *OBJC_NONNULL key1,
const void *OBJC_NONNULL key2);
uint32_t count, size;
struct objc_hashtable_bucket *OBJC_NONNULL *OBJC_NULLABLE data;
};
struct objc_sparsearray {
struct objc_sparsearray_data {
void *OBJC_NULLABLE next[256];
} *OBJC_NONNULL data;
uint8_t index_size;
};
struct objc_dtable {
struct objc_dtable_level2 {
#ifdef OF_SELUID24
struct objc_dtable_level3 {
IMP OBJC_NULLABLE buckets[256];
} *OBJC_NONNULL buckets[256];
#else
IMP OBJC_NULLABLE buckets[256];
#endif
} *OBJC_NONNULL buckets[256];
};
extern void objc_register_all_categories(struct objc_abi_symtab *OBJC_NONNULL);
extern struct objc_category *OBJC_NULLABLE *OBJC_NULLABLE
objc_categories_for_class(Class OBJC_NONNULL);
extern void objc_unregister_all_categories(void);
extern void objc_initialize_class(Class OBJC_NONNULL);
extern void objc_update_dtable(Class OBJC_NONNULL);
extern void objc_register_all_classes(struct objc_abi_symtab *OBJC_NONNULL);
extern Class OBJC_NULLABLE objc_classname_to_class(const char *OBJC_NONNULL,
bool);
extern void objc_unregister_class(Class OBJC_NONNULL);
extern void objc_unregister_all_classes(void);
extern uint32_t objc_hash_string(const void *OBJC_NONNULL);
extern bool objc_equal_string(const void *OBJC_NONNULL,
const void *OBJC_NONNULL);
extern struct objc_hashtable *OBJC_NONNULL objc_hashtable_new(
uint32_t (*OBJC_NONNULL)(const void *OBJC_NONNULL),
bool (*OBJC_NONNULL)(const void *OBJC_NONNULL, const void *OBJC_NONNULL),
uint32_t);
extern struct objc_hashtable_bucket objc_deleted_bucket;
extern void objc_hashtable_set(struct objc_hashtable *OBJC_NONNULL,
const void *OBJC_NONNULL, const void *OBJC_NONNULL);
extern void *OBJC_NULLABLE objc_hashtable_get(
struct objc_hashtable *OBJC_NONNULL, const void *OBJC_NONNULL);
extern void objc_hashtable_delete(struct objc_hashtable *OBJC_NONNULL,
const void *OBJC_NONNULL);
extern void objc_hashtable_free(struct objc_hashtable *OBJC_NONNULL);
extern void objc_register_selector(struct objc_abi_selector *OBJC_NONNULL);
extern void objc_register_all_selectors(struct objc_abi_symtab *OBJC_NONNULL);
extern void objc_unregister_all_selectors(void);
extern struct objc_sparsearray *OBJC_NONNULL objc_sparsearray_new(uint8_t);
extern void *OBJC_NULLABLE objc_sparsearray_get(
struct objc_sparsearray *OBJC_NONNULL, uintptr_t);
extern void objc_sparsearray_set(struct objc_sparsearray *OBJC_NONNULL,
uintptr_t, void *OBJC_NULLABLE);
extern void objc_sparsearray_free(struct objc_sparsearray *OBJC_NONNULL);
extern struct objc_dtable *OBJC_NONNULL objc_dtable_new(void);
extern void objc_dtable_copy(struct objc_dtable *OBJC_NONNULL,
struct objc_dtable *OBJC_NONNULL);
extern void objc_dtable_set(struct objc_dtable *OBJC_NONNULL, uint32_t,
IMP OBJC_NULLABLE);
extern void objc_dtable_free(struct objc_dtable *OBJC_NONNULL);
extern void objc_dtable_cleanup(void);
extern void objc_init_static_instances(struct objc_abi_symtab *OBJC_NONNULL);
extern void objc_forget_pending_static_instances(void);
#ifdef OF_HAVE_THREADS
extern void objc_global_mutex_lock(void);
extern void objc_global_mutex_unlock(void);
extern void objc_global_mutex_free(void);
#else
# define objc_global_mutex_lock()
# define objc_global_mutex_unlock()
# define objc_global_mutex_free()
#endif
static inline IMP OBJC_NULLABLE
objc_dtable_get(const struct objc_dtable *OBJC_NONNULL dtable, uint32_t idx)
{
#ifdef OF_SELUID24
uint8_t i = idx >> 16;
uint8_t j = idx >> 8;
uint8_t k = idx;
return dtable->buckets[i]->buckets[j]->buckets[k];
#else
uint8_t i = idx >> 8;
uint8_t j = idx;
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* file.
*/
#include "config.h"
#include "platform.h"
#if !defined(__has_feature) || !__has_feature(nullability)
# ifndef _Nonnull
# define _Nonnull
# endif
# ifndef _Nullable
# define _Nullable
# endif
#endif
struct objc_abi_class {
struct objc_abi_class *_Nonnull metaclass;
const char *_Nullable superclass;
const char *_Nonnull name;
unsigned long version;
unsigned long info;
long instance_size;
void *_Nullable ivars;
struct objc_abi_method_list *_Nullable methodlist;
void *_Nullable dtable;
void *_Nullable subclass_list;
void *_Nullable sibling_class;
void *_Nullable protocols;
void *_Nullable gc_object_type;
long abi_version;
int32_t *_Nonnull *_Nullable ivar_offsets;
void *_Nullable properties;
};
struct objc_abi_selector {
const char *_Nonnull name;
const char *_Nullable types;
};
struct objc_abi_method {
struct objc_abi_selector sel;
IMP _Nonnull imp;
};
struct objc_abi_method_list {
struct objc_abi_method_list *_Nullable next;
unsigned int count;
struct objc_abi_method methods[1];
};
struct objc_abi_category {
const char *_Nonnull category_name;
const char *_Nonnull class_name;
struct objc_abi_method_list *_Nullable instance_methods;
struct objc_abi_method_list *_Nullable class_methods;
struct objc_protocol_list *_Nullable protocols;
};
struct objc_abi_method_description {
const char *_Nonnull name;
const char *_Nonnull types;
};
struct objc_abi_method_description_list {
int count;
struct objc_abi_method_description list[1];
};
struct objc_abi_static_instances {
const char *_Nonnull class_name;
id _Nullable instances[1];
};
struct objc_abi_symtab {
unsigned long unknown;
struct objc_abi_selector *_Nullable sel_refs;
uint16_t cls_def_cnt;
uint16_t cat_def_cnt;
void *_Nonnull defs[1];
};
struct objc_abi_module {
unsigned long version; /* 9 = non-fragile */
unsigned long size;
const char *_Nullable name;
struct objc_abi_symtab *_Nonnull symtab;
};
struct objc_hashtable_bucket {
const void *_Nonnull key, *_Nonnull obj;
uint32_t hash;
};
struct objc_hashtable {
uint32_t (*_Nonnull hash)(const void *_Nonnull key);
bool (*_Nonnull equal)(const void *_Nonnull key1,
const void *_Nonnull key2);
uint32_t count, size;
struct objc_hashtable_bucket *_Nonnull *_Nullable data;
};
struct objc_sparsearray {
struct objc_sparsearray_data {
void *_Nullable next[256];
} *_Nonnull data;
uint8_t index_size;
};
struct objc_dtable {
struct objc_dtable_level2 {
#ifdef OF_SELUID24
struct objc_dtable_level3 {
IMP _Nullable buckets[256];
} *_Nonnull buckets[256];
#else
IMP _Nullable buckets[256];
#endif
} *_Nonnull buckets[256];
};
extern void objc_register_all_categories(struct objc_abi_symtab *_Nonnull);
extern struct objc_category *_Nullable *_Nullable
objc_categories_for_class(Class _Nonnull);
extern void objc_unregister_all_categories(void);
extern void objc_initialize_class(Class _Nonnull);
extern void objc_update_dtable(Class _Nonnull);
extern void objc_register_all_classes(struct objc_abi_symtab *_Nonnull);
extern Class _Nullable objc_classname_to_class(const char *_Nonnull, bool);
extern void objc_unregister_class(Class _Nonnull);
extern void objc_unregister_all_classes(void);
extern uint32_t objc_hash_string(const void *_Nonnull);
extern bool objc_equal_string(const void *_Nonnull, const void *_Nonnull);
extern struct objc_hashtable *_Nonnull objc_hashtable_new(
uint32_t (*_Nonnull)(const void *_Nonnull),
bool (*_Nonnull)(const void *_Nonnull, const void *_Nonnull), uint32_t);
extern struct objc_hashtable_bucket objc_deleted_bucket;
extern void objc_hashtable_set(struct objc_hashtable *_Nonnull,
const void *_Nonnull, const void *_Nonnull);
extern void *_Nullable objc_hashtable_get(struct objc_hashtable *_Nonnull,
const void *_Nonnull);
extern void objc_hashtable_delete(struct objc_hashtable *_Nonnull,
const void *_Nonnull);
extern void objc_hashtable_free(struct objc_hashtable *_Nonnull);
extern void objc_register_selector(struct objc_abi_selector *_Nonnull);
extern void objc_register_all_selectors(struct objc_abi_symtab *_Nonnull);
extern void objc_unregister_all_selectors(void);
extern struct objc_sparsearray *_Nonnull objc_sparsearray_new(uint8_t);
extern void *_Nullable objc_sparsearray_get(struct objc_sparsearray *_Nonnull,
uintptr_t);
extern void objc_sparsearray_set(struct objc_sparsearray *_Nonnull, uintptr_t,
void *_Nullable);
extern void objc_sparsearray_free(struct objc_sparsearray *_Nonnull);
extern struct objc_dtable *_Nonnull objc_dtable_new(void);
extern void objc_dtable_copy(struct objc_dtable *_Nonnull,
struct objc_dtable *_Nonnull);
extern void objc_dtable_set(struct objc_dtable *_Nonnull, uint32_t,
IMP _Nullable);
extern void objc_dtable_free(struct objc_dtable *_Nonnull);
extern void objc_dtable_cleanup(void);
extern void objc_init_static_instances(struct objc_abi_symtab *_Nonnull);
extern void objc_forget_pending_static_instances(void);
#ifdef OF_HAVE_THREADS
extern void objc_global_mutex_lock(void);
extern void objc_global_mutex_unlock(void);
extern void objc_global_mutex_free(void);
#else
# define objc_global_mutex_lock()
# define objc_global_mutex_unlock()
# define objc_global_mutex_free()
#endif
static inline IMP _Nullable
objc_dtable_get(const struct objc_dtable *_Nonnull dtable, uint32_t idx)
{
#ifdef OF_SELUID24
uint8_t i = idx >> 16;
uint8_t j = idx >> 8;
uint8_t k = idx;
return dtable->buckets[i]->buckets[j]->buckets[k];
#else
uint8_t i = idx >> 8;
uint8_t j = idx;
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#define OBJC_ERROR(...) \
{ \
fprintf(stderr, "[objc @ " __FILE__ ":%d] ", __LINE__); \
fprintf(stderr, __VA_ARGS__); \
fputs("\n", stderr); \
abort(); \
}
#undef OBJC_NONNULL
#undef OBJC_NULLABLE
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#define OBJC_ERROR(...) \
{ \
fprintf(stderr, "[objc @ " __FILE__ ":%d] ", __LINE__); \
fprintf(stderr, __VA_ARGS__); \
fputs("\n", stderr); \
abort(); \
}
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