gdb/gdb-6.3-gcore-thread-20050204.patch

2005-02-07  Jeff Johnston  <jjohnstn@redhat.com>

        * linux-nat.c (linux_nat_xfer_memory): Don't use
        linux_proc_xfer_memory for ia64 threads.

--- gdb-6.3/gdb/linux-nat.c.fix	Fri Feb  4 22:52:40 2005
+++ gdb-6.3/gdb/linux-nat.c	Mon Feb  7 19:56:01 2005
@@ -2381,12 +2381,31 @@ linux_nat_xfer_memory (CORE_ADDR memaddr
   struct cleanup *old_chain = save_inferior_ptid ();
   int xfer;
 
+#ifdef NATIVE_XFER_UNWIND_TABLE
+  /* FIXME: For ia64, we cannot currently use linux_proc_xfer_memory
+            for accessing thread storage.  Revert when Bugzilla 147436
+	    is fixed.  */
+  if (is_lwp (inferior_ptid))
+    {
+      /* For lwps, we cannot use linux_proc_xfer_memory.  */
+      inferior_ptid = pid_to_ptid (GET_LWP (inferior_ptid));
+      xfer = child_xfer_memory (memaddr, myaddr, len, write, attrib, target);
+    }
+  else
+    {
+      xfer = linux_proc_xfer_memory (memaddr, myaddr, len, write, 
+		      		     attrib, target);
+      if (xfer == 0)
+        xfer = child_xfer_memory (memaddr, myaddr, len, write, attrib, target);
+    }
+#else
   if (is_lwp (inferior_ptid))
     inferior_ptid = pid_to_ptid (GET_LWP (inferior_ptid));
 
   xfer = linux_proc_xfer_memory (memaddr, myaddr, len, write, attrib, target);
   if (xfer == 0)
     xfer = child_xfer_memory (memaddr, myaddr, len, write, attrib, target);
+#endif
 
   do_cleanups (old_chain);
   return xfer;