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| 1 #ifndef JITDUMP_H | |
| 2 #define JITDUMP_H | |
| 3 | |
| 4 #include <sys/time.h> | |
| 5 #include <time.h> | |
| 6 #include <stdint.h> | |
| 7 | |
| 8 /* JiTD */ | |
| 9 #define JITHEADER_MAGIC 0x4A695444 | |
| 10 #define JITHEADER_MAGIC_SW 0x4454694A | |
| 11 | |
| 12 #define PADDING_8ALIGNED(x) ((((x) + 7) & 7) ^ 7) | |
| 13 | |
| 14 #define JITHEADER_VERSION 1 | |
| 15 | |
| 16 struct jitheader { | |
| 17 uint32_t magic; /* characters "jItD" */ | |
| 18 uint32_t version; /* header version */ | |
| 19 uint32_t total_size; /* total size of header */ | |
| 20 uint32_t elf_mach; /* elf mach target */ | |
| 21 uint32_t pad1; /* reserved */ | |
| 22 uint32_t pid; /* JIT process id */ | |
| 23 uint64_t timestamp; /* timestamp */ | |
| 24 }; | |
| 25 | |
| 26 enum jit_record_type { | |
| 27 JIT_CODE_LOAD = 0, | |
| 28 JIT_CODE_MOVE = 1, | |
| 29 JIT_CODE_DEBUG_INFO = 2, | |
| 30 JIT_CODE_CLOSE = 3, | |
| 31 | |
| 32 JIT_CODE_MAX | |
| 33 }; | |
| 34 | |
| 35 /* record prefix (mandatory in each record) */ | |
| 36 struct jr_prefix { | |
| 37 uint32_t id; | |
| 38 uint32_t total_size; | |
| 39 uint64_t timestamp; | |
| 40 }; | |
| 41 | |
| 42 struct jr_code_load { | |
| 43 struct jr_prefix p; | |
| 44 | |
| 45 uint32_t pid; | |
| 46 uint32_t tid; | |
| 47 uint64_t vma; | |
| 48 uint64_t code_addr; | |
| 49 uint64_t code_size; | |
| 50 uint64_t code_index; | |
| 51 }; | |
| 52 | |
| 53 struct jr_code_close { | |
| 54 struct jr_prefix p; | |
| 55 }; | |
| 56 | |
| 57 struct jr_code_move { | |
| 58 struct jr_prefix p; | |
| 59 | |
| 60 uint32_t pid; | |
| 61 uint32_t tid; | |
| 62 uint64_t vma; | |
| 63 uint64_t old_code_addr; | |
| 64 uint64_t new_code_addr; | |
| 65 uint64_t code_size; | |
| 66 uint64_t code_index; | |
| 67 }; | |
| 68 | |
| 69 struct jr_code_debug_info { | |
| 70 struct jr_prefix p; | |
| 71 | |
| 72 uint64_t code_addr; | |
| 73 uint64_t nr_entry; | |
| 74 }; | |
| 75 | |
| 76 union jr_entry { | |
| 77 struct jr_code_debug_info info; | |
| 78 struct jr_code_close close; | |
| 79 struct jr_code_load load; | |
| 80 struct jr_code_move move; | |
| 81 struct jr_prefix prefix; | |
| 82 }; | |
| 83 | |
| 84 #endif /* !JITDUMP_H */ | |
| 85 | |
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