45 lines · c
1#include <inttypes.h>2 3// GDB JIT interface4enum JITAction { JIT_NOACTION, JIT_REGISTER_FN, JIT_UNREGISTER_FN };5 6struct JITCodeEntry7{8 struct JITCodeEntry* next;9 struct JITCodeEntry* prev;10 const char *symfile_addr;11 uint64_t symfile_size;12};13 14struct JITDescriptor15{16 uint32_t version;17 uint32_t action_flag;18 struct JITCodeEntry* relevant_entry;19 struct JITCodeEntry* first_entry;20};21 22struct JITDescriptor __jit_debug_descriptor = { 1, JIT_NOACTION, 0, 0 };23 24void __jit_debug_register_code()25{26}27// end GDB JIT interface28 29struct JITCodeEntry entry;30 31int main()32{33 // Create a code entry with a bogus size34 entry.next = entry.prev = 0;35 entry.symfile_addr = (char *)&entry;36 entry.symfile_size = (uint64_t)47<<32;37 38 __jit_debug_descriptor.relevant_entry = __jit_debug_descriptor.first_entry = &entry;39 __jit_debug_descriptor.action_flag = JIT_REGISTER_FN;40 41 __jit_debug_register_code();42 43 return 0;44}45