1. X86 target will also have name demangling feature.
2. Remove dependency on libiberty.so, since it will not come
with prebuilt toolchain in gcc-4.6 and after.
Change-Id: Iefbb021c5c3171b9467954eafa54046ad6805753
Supports collecting the stack trace of the current thread,
another thread in the same process, or a thread in a
different process (using ptrace).
Change-Id: Ica2594e4436edde4ceb7bcc3d78e6c31a7902cbf
Jean-Baptiste Queru