projects / apple / libplatform.git / blame
| Commit | Line | Data |
|---|---|---|
| ada7c492 A |
1 | #ifndef __PLATFORM_INTROSPECTION_INTERNAL_H__ |
| 2 | #define __PLATFORM_INTROSPECTION_INTERNAL_H__ | |
| 3 | ||
| 4 | ||
| 5 | // Task Allocations (with 4K vm_page_size) | |
| 6 | // | |
| 7 | // Page 1 Page 2 | |
| 8 | // +----------------+ <---- Head ----- +----------------+ | |
| 9 | // | Header | ----- Next ----> | Header | ----- Next ----> ... | |
| 10 | // +----------------+ +----------------+ | |
| 11 | // | Meta Data | | Thread[126] | | |
| 12 | // +----------------+ +----------------+ | |
| 13 | // | Thread[0] | | Thread[127] | | |
| 14 | // +----------------+ +----------------+ | |
| 15 | // ~ ... ~ ~ ... ~ | |
| 16 | // +----------------+ +----------------+ | |
| 17 | // | Thread[125] | | Thread[252] | | |
| 18 | // +----------------+ +----------------+ | |
| 19 | // | |
| 20 | ||
| 21 | // 32 bytes | |
| 22 | struct platform_task_header_s { | |
| 23 | // Linkage to other platform task pages. | |
| 24 | platform_task_t head; | |
| 25 | platform_task_t next; | |
| 26 | #ifdef __LP64__ | |
| 27 | uint64_t _reserved[2]; | |
| 28 | #else | |
| 29 | uint32_t _reserved[6]; | |
| 30 | #endif | |
| 31 | }; | |
| 32 | ||
| 33 | // 32 bytes | |
| 34 | struct platform_task_metadata_s { | |
| 35 | platform_thread_t cursor; | |
| 36 | task_t port; | |
| 37 | uint32_t gen; | |
| 38 | uint32_t is_64_bit:1, unused_flags:31; | |
| 39 | #ifdef __LP64__ | |
| 40 | uint32_t _reserved[3]; | |
| 41 | #else | |
| 42 | uint32_t _reserved[4]; | |
| 43 | #endif | |
| 44 | }; | |
| 45 | ||
| 46 | // 32 bytes | |
| 47 | struct platform_thread_s { | |
| 48 | int32_t refcnt; | |
| 49 | uint32_t gen; | |
| 50 | platform_thread_id_t unique_id; | |
| 51 | mach_vm_address_t pthread_addr; | |
| 52 | thread_act_t act; | |
| 53 | uint32_t _reserved; | |
| 54 | }; | |
| 55 | ||
| 56 | struct platform_task_s { | |
| 57 | struct platform_task_header_s header; | |
| 58 | union { | |
| 59 | struct platform_task_metadata_s metadata; | |
| 60 | struct platform_thread_s threads[127]; | |
| 61 | }; | |
| 62 | }; | |
| 63 | ||
| 64 | #endif // __PLATFORM_INTROSPECTION_INTERNAL_H__ |