* linux-low.c (fetch_register, usr_store_inferior_registers): Handle

[binutils-gdb.git] / gdb / gdbserver / linux-low.c

diff --git a/gdb/gdbserver/linux-low.c b/gdb/gdbserver/linux-low.c
index fbc3033f6724cfd2b1b794fc987f8b9b1fd8272c..904ff6b90bddb249a5bb2ec1aa6df2776f2947cd 100644 (file)
--- a/gdb/gdbserver/linux-low.c
+++ b/gdb/gdbserver/linux-low.c
@@ -1126,7 +1126,12 @@ fetch_register (int regno)
          goto error_exit;
        }
     }
-  supply_register (regno, buf);
+  if (the_low_target.left_pad_xfer
+      && register_size (regno) < sizeof (PTRACE_XFER_TYPE))
+    supply_register (regno, (buf + sizeof (PTRACE_XFER_TYPE)
+                            - register_size (regno)));
+  else
+    supply_register (regno, buf);
 
 error_exit:;
 }
@@ -1168,7 +1173,12 @@ usr_store_inferior_registers (int regno)
             & - sizeof (PTRACE_XFER_TYPE);
       buf = alloca (size);
       memset (buf, 0, size);
-      collect_register (regno, buf);
+      if (the_low_target.left_pad_xfer
+         && register_size (regno) < sizeof (PTRACE_XFER_TYPE))
+       collect_register (regno, (buf + sizeof (PTRACE_XFER_TYPE)
+                                 - register_size (regno)));
+      else
+       collect_register (regno, buf);
       for (i = 0; i < size; i += sizeof (PTRACE_XFER_TYPE))
        {
          errno = 0;