vm_stack_dump_raw(), vm_stack_dump_raw_current(),
vm_env_dump_raw(), vm_proc_dump_raw(), vm_stack_dump_th(),
vm_debug_print_register(), vm_thread_dump_regs(),
vm_debug_print_pre(), vm_debug_print_post(),
vm_thread_dump_state().
This change also may affect core (in fact, user of
above functions may be only ko1).
* vm_core.h: ditto.
* vm_exec.h (SDR2): remove duplicate definition.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21657 b2dd03c8-39d4-4d8f-98ff-823fe69b080e