This patch is derived from bits from CodeSourcery SH-2A toolchain

  http://sourceware.org/ml/gdb-patches/2010-12/msg00291.html

DSBT's loadmap is similar to FDPIC's, so they can be handled in a
unified approach.  This patch adds a mechanism from gdb to gdbserver to
read loadmap.  This part is not c6x-specific, and can be reused by other
similar ports.

-- 
Yao (齐尧)