diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index 3ed589c..ded8214 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -594,7 +594,7 @@
 }
 
 inline int network_loopback_client(int port, int type, std::string* error) {
-  return _fd_set_error_str(socket_loopback_client(port, type), error);
+  return _fd_set_error_str(socket_network_client("localhost", port, type), error);
 }
 
 inline int network_loopback_server(int port, int type, std::string* error) {
diff --git a/libbacktrace/BacktracePtrace.cpp b/libbacktrace/BacktracePtrace.cpp
index fd8b713..148c418 100644
--- a/libbacktrace/BacktracePtrace.cpp
+++ b/libbacktrace/BacktracePtrace.cpp
@@ -17,6 +17,7 @@
 #include <errno.h>
 #include <stdint.h>
 #include <string.h>
+#include <sys/uio.h>
 #include <sys/param.h>
 #include <sys/ptrace.h>
 #include <sys/types.h>
@@ -72,42 +73,20 @@
   if (!BacktraceMap::IsValid(map) || !(map.flags & PROT_READ)) {
     return 0;
   }
-
   bytes = MIN(map.end - addr, bytes);
-  size_t bytes_read = 0;
-  word_t data_word;
-  size_t align_bytes = addr & (sizeof(word_t) - 1);
-  if (align_bytes != 0) {
-    if (!PtraceRead(Tid(), addr & ~(sizeof(word_t) - 1), &data_word)) {
-      return 0;
-    }
-    size_t copy_bytes = MIN(sizeof(word_t) - align_bytes, bytes);
-    memcpy(buffer, reinterpret_cast<uint8_t*>(&data_word) + align_bytes, copy_bytes);
-    addr += copy_bytes;
-    buffer += copy_bytes;
-    bytes -= copy_bytes;
-    bytes_read += copy_bytes;
-  }
 
-  size_t num_words = bytes / sizeof(word_t);
-  for (size_t i = 0; i < num_words; i++) {
-    if (!PtraceRead(Tid(), addr, &data_word)) {
-      return bytes_read;
-    }
-    memcpy(buffer, &data_word, sizeof(word_t));
-    buffer += sizeof(word_t);
-    addr += sizeof(word_t);
-    bytes_read += sizeof(word_t);
-  }
+  struct iovec local_io;
+  local_io.iov_base = buffer;
+  local_io.iov_len = bytes;
 
-  size_t left_over = bytes & (sizeof(word_t) - 1);
-  if (left_over) {
-    if (!PtraceRead(Tid(), addr, &data_word)) {
-      return bytes_read;
-    }
-    memcpy(buffer, &data_word, left_over);
-    bytes_read += left_over;
+  struct iovec remote_io;
+  remote_io.iov_base = reinterpret_cast<void*>(addr);
+  remote_io.iov_len = bytes;
+
+  ssize_t bytes_read = process_vm_readv(Tid(), &local_io, 1, &remote_io, 1, 0);
+  if (bytes_read == -1) {
+    return 0;
   }
-  return bytes_read;
+  return static_cast<size_t>(bytes_read);
 #endif
 }
diff --git a/libcutils/socket_loopback_client_unix.c b/libcutils/socket_loopback_client_unix.c
index e14cffb..137e369 100644
--- a/libcutils/socket_loopback_client_unix.c
+++ b/libcutils/socket_loopback_client_unix.c
@@ -35,23 +35,6 @@
  */
 int socket_loopback_client(int port, int type)
 {
-    struct sockaddr_in addr;
-    int s;
-
-    memset(&addr, 0, sizeof(addr));
-    addr.sin_family = AF_INET;
-    addr.sin_port = htons(port);
-    addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-
-    s = socket(AF_INET, type, 0);
-    if(s < 0) return -1;
-
-    if(connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
-        close(s);
-        return -1;
-    }
-
-    return s;
-
+    return socket_network_client("localhost", port, type);
 }