34 static bool PtraceRead(pid_t tid, uintptr_t addr, word_t* out_value) {  in PtraceRead()  argument
38   *out_value = ptrace(PTRACE_PEEKTEXT, tid, reinterpret_cast<void*>(addr), nullptr);  in PtraceRead()
65 size_t BacktracePtrace::Read(uintptr_t addr, uint8_t* buffer, size_t bytes) {  in Read()  argument
71   FillInMap(addr, &map);  in Read()
76   bytes = MIN(map.end - addr, bytes);  in Read()
79   size_t align_bytes = addr & (sizeof(word_t) - 1);  in Read()
81     if (!PtraceRead(Tid(), addr & ~(sizeof(word_t) - 1), &data_word)) {  in Read()
86     addr += copy_bytes;  in Read()
94     if (!PtraceRead(Tid(), addr, &data_word)) {  in Read()
99     addr += sizeof(word_t);  in Read()
105     if (!PtraceRead(Tid(), addr, &data_word)) {  in Read()