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 JIT_CODE_MAX 32 }; 33 34 /* record prefix (mandatory in each record) */ 35 struct jr_prefix { 36 uint32_t id; 37 uint32_t total_size; 38 uint64_t timestamp; 39 }; 40 41 struct jr_code_load { 42 struct jr_prefix p; 43 44 uint32_t pid; 45 uint32_t tid; 46 uint64_t vma; 47 uint64_t code_addr; 48 uint64_t code_size; 49 uint64_t code_index; 50 }; 51 52 struct jr_code_close { 53 struct jr_prefix p; 54 }; 55 56 struct jr_code_move { 57 struct jr_prefix p; 58 59 uint32_t pid; 60 uint32_t tid; 61 uint64_t vma; 62 uint64_t old_code_addr; 63 uint64_t new_code_addr; 64 uint64_t code_size; 65 uint64_t code_index; 66 }; 67 68 struct jr_code_debug_info { 69 struct jr_prefix p; 70 71 uint64_t code_addr; 72 uint64_t nr_entry; 73 }; 74 75 union jr_entry { 76 struct jr_code_debug_info info; 77 struct jr_code_close close; 78 struct jr_code_load load; 79 struct jr_code_move move; 80 struct jr_prefix prefix; 81 }; 82 83 #endif /* !JITDUMP_H */ 84
