gdb/

[deliverable/binutils-gdb.git] / gdb / hppa-tdep.c

diff --git a/gdb/hppa-tdep.c b/gdb/hppa-tdep.c
index 334870fe50733b465d81aeb5628f91a6f801523e..df21faddcd372190b78e60c994bf21a18d28adae 100644 (file)
--- a/gdb/hppa-tdep.c
+++ b/gdb/hppa-tdep.c
@@ -2665,17 +2665,22 @@ hppa_fetch_pointer_argument (struct frame_info *frame, int argi,
   return get_frame_register_unsigned (frame, HPPA_R0_REGNUM + 26 - argi);
 }
 
-static void
+static enum register_status
 hppa_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
                           int regnum, gdb_byte *buf)
 {
-    enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
-    ULONGEST tmp;
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+  ULONGEST tmp;
+  enum register_status status;
 
-    regcache_raw_read_unsigned (regcache, regnum, &tmp);
-    if (regnum == HPPA_PCOQ_HEAD_REGNUM || regnum == HPPA_PCOQ_TAIL_REGNUM)
-      tmp &= ~0x3;
-    store_unsigned_integer (buf, sizeof tmp, byte_order, tmp);
+  status = regcache_raw_read_unsigned (regcache, regnum, &tmp);
+  if (status == REG_VALID)
+    {
+      if (regnum == HPPA_PCOQ_HEAD_REGNUM || regnum == HPPA_PCOQ_TAIL_REGNUM)
+       tmp &= ~0x3;
+      store_unsigned_integer (buf, sizeof tmp, byte_order, tmp);
+    }
+  return status;
 }
 
 static CORE_ADDR