mirror of
https://github.com/darlinghq/darling-libobjc2.git
synced 2024-11-23 12:19:44 +00:00
4e7b476aa6
Added fields to the end of the class structure for strong / weak ivar bitmaps (not yet generated by any compiler). Fixed definition of __sync_swap() so that it works on GCC again.
103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/**
|
|
* Defines the module structures.
|
|
*
|
|
* When defining a new ABI, the
|
|
*/
|
|
|
|
/**
|
|
* The symbol table for a module. This structure references all of the
|
|
* Objective-C symbols defined for a module, allowing the runtime to find and
|
|
* register them.
|
|
*/
|
|
struct objc_symbol_table_abi_8
|
|
{
|
|
/**
|
|
* The number of selectors referenced in this module.
|
|
*/
|
|
unsigned long selector_count;
|
|
/**
|
|
* An array of selectors used in this compilation unit. SEL is a pointer
|
|
* type and this points to the first element in an array of selectors.
|
|
*/
|
|
SEL selectors;
|
|
/**
|
|
* The number of classes defined in this module.
|
|
*/
|
|
unsigned short class_count;
|
|
/**
|
|
* The number of categories defined in this module.
|
|
*/
|
|
unsigned short category_count;
|
|
/**
|
|
* A null-terminated array of pointers to symbols defined in this module.
|
|
* This contains class_count pointers to class structures, category_count
|
|
* pointers to category structures, and then zero or more pointers to
|
|
* static object instances.
|
|
*
|
|
* Current compilers only use this for constant strings. The runtime
|
|
* permits other types.
|
|
*/
|
|
void *definitions[];
|
|
};
|
|
|
|
/**
|
|
* The module structure is passed to the __objc_exec_class function by a
|
|
* constructor function when the module is loaded.
|
|
*
|
|
* When defining a new ABI version, the first two fields in this structure must
|
|
* be retained.
|
|
*/
|
|
struct objc_module_abi_8
|
|
{
|
|
/**
|
|
* The version of the ABI used by this module. This is checked against the
|
|
* list of ABIs that the runtime supports, and the list of incompatible
|
|
* ABIs.
|
|
*/
|
|
unsigned long version;
|
|
/**
|
|
* The size of the module. This is used for sanity checking, to ensure
|
|
* that the compiler and runtime's idea of the module size match.
|
|
*/
|
|
unsigned long size;
|
|
/**
|
|
* The full path name of the source for this module. Not currently used
|
|
* for anything, could be used for debugging in theory, but duplicates
|
|
* information available from DWARF data, so probably won't.
|
|
*/
|
|
const char *name;
|
|
/**
|
|
* A pointer to the symbol table for this compilation unit.
|
|
*/
|
|
struct objc_symbol_table_abi_8 *symbol_table;
|
|
};
|
|
|
|
struct objc_module_abi_10
|
|
{
|
|
/**
|
|
* Inherited fields from version 8 of the ABI.
|
|
*/
|
|
struct objc_module_abi_8 old;
|
|
/**
|
|
* GC mode. GC_Optional code can be mixed with anything, but GC_None code
|
|
* can't be mixed with GC_Required code.
|
|
*/
|
|
int gc_mode;
|
|
};
|
|
|
|
/**
|
|
* List of static instances of a named class provided in this module.
|
|
*/
|
|
struct objc_static_instance_list
|
|
{
|
|
/**
|
|
* The name of the class. The isa pointer of all of the instances will be
|
|
* set to the class with this name.
|
|
*/
|
|
char *class_name;
|
|
/**
|
|
* NULL-terminated array of statically-allocated instances.
|
|
*/
|
|
id instances[];
|
|
};
|