119  * Look for the note that has the name "GNU\0" and type NT_GNU_BUILD_ID
122  * Each note in notes section starts with a struct which includes
127  * Note sections like .note.ABI-tag and .note.gnu.build-id are aligned
131                                 const ElfW(Nhdr) * Note) {  in WriteBinaryIdForNote()
133   const char *NoteName = (const char *)Note + sizeof(ElfW(Nhdr));  in WriteBinaryIdForNote()
134   if (Note->n_type == NT_GNU_BUILD_ID && Note->n_namesz == 4 &&  in WriteBinaryIdForNote()
136     uint64_t BinaryIdLen = Note->n_descsz;  in WriteBinaryIdForNote()
138         (const uint8_t *)(NoteName + RoundUp(Note->n_namesz, 4));  in WriteBinaryIdForNote()
156 static int WriteBinaryIds(ProfDataWriter *Writer, const ElfW(Nhdr) * Note,  in WriteBinaryIds()  argument
159   while (Note < NotesEnd) {  in WriteBinaryIds()
160     int OneBinaryIdSize = WriteBinaryIdForNote(Writer, Note);  in WriteBinaryIds()
165     /* Calculate the offset of the next note in notes section. */  in WriteBinaryIds()
166     size_t NoteOffset = sizeof(ElfW(Nhdr)) + RoundUp(Note->n_namesz, 4) +  in WriteBinaryIds()
167                         RoundUp(Note->n_descsz, 4);  in WriteBinaryIds()
168     Note = (const ElfW(Nhdr) *)((const char *)(Note) + NoteOffset);  in WriteBinaryIds()
194     const ElfW(Nhdr) * Note;  in __llvm_write_binary_ids()
202       Note = (const ElfW(Nhdr) *)((uintptr_t)ElfHeader +  in __llvm_write_binary_ids()
204       NotesEnd = (const ElfW(Nhdr) *)((const char *)(Note) +  in __llvm_write_binary_ids()
211       Note =  in __llvm_write_binary_ids()
214           (const ElfW(Nhdr) *)((const char *)(Note) + ProgramHeader[I].p_memsz);  in __llvm_write_binary_ids()
217     int BinaryIdsSize = WriteBinaryIds(Writer, Note, NotesEnd);  in __llvm_write_binary_ids()