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- #ifndef _OBJC_FILE_NEW_H
- #define _OBJC_FILE_NEW_H
- #if __OBJC2__
- #include "objc-runtime-new.h"
- extern SEL *_getObjc2SelectorRefs(const header_info *hi, size_t *count);
- extern message_ref_t *_getObjc2MessageRefs(const header_info *hi, size_t *count);
- extern Class*_getObjc2ClassRefs(const header_info *hi, size_t *count);
- extern Class*_getObjc2SuperRefs(const header_info *hi, size_t *count);
- extern classref_t *_getObjc2ClassList(const header_info *hi, size_t *count);
- extern classref_t *_getObjc2NonlazyClassList(const header_info *hi, size_t *count);
- extern category_t **_getObjc2CategoryList(const header_info *hi, size_t *count);
- extern category_t **_getObjc2NonlazyCategoryList(const header_info *hi, size_t *count);
- extern protocol_t **_getObjc2ProtocolList(const header_info *hi, size_t *count);
- extern protocol_t **_getObjc2ProtocolRefs(const header_info *hi, size_t *count);
- struct UnsignedInitializer {
- private:
- uintptr_t storage;
- public:
- void operator () () const {
- using Initializer = void(*)();
- Initializer init =
- ptrauth_sign_unauthenticated((Initializer)storage,
- ptrauth_key_function_pointer, 0);
- init();
- }
- };
- extern UnsignedInitializer *getLibobjcInitializers(const header_info *hi, size_t *count);
- extern classref_t *_getObjc2NonlazyClassList(const headerType *mhdr, size_t *count);
- extern category_t **_getObjc2NonlazyCategoryList(const headerType *mhdr, size_t *count);
- extern UnsignedInitializer *getLibobjcInitializers(const headerType *mhdr, size_t *count);
- static inline void
- foreach_data_segment(const headerType *mhdr,
- std::function<void(const segmentType *, intptr_t slide)> code)
- {
- intptr_t slide = 0;
-
- const segmentType *seg = (const segmentType *) (mhdr + 1);
- for (unsigned long i = 0; i < mhdr->ncmds; i++) {
- if (seg->cmd == SEGMENT_CMD &&
- segnameEquals(seg->segname, "__TEXT"))
- {
- slide = (char *)mhdr - (char *)seg->vmaddr;
- break;
- }
- seg = (const segmentType *)((char *)seg + seg->cmdsize);
- }
-
- seg = (const segmentType *) (mhdr + 1);
- for (unsigned long i = 0; i < mhdr->ncmds; i++) {
- if (seg->cmd == SEGMENT_CMD &&
- segnameStartsWith(seg->segname, "__DATA"))
- {
- code(seg, slide);
- }
- seg = (const segmentType *)((char *)seg + seg->cmdsize);
- }
- }
- #endif
- #endif
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