sanctify.lisp

开源跨平台Lisp编译器

;;;; Do whatever is necessary to make the given code component
;;;; executable.

;;;; This software is part of the SBCL system. See the README file for
;;;; more information.
;;;;
;;;; While most of SBCL is derived from the CMU CL system, the test
;;;; files (like this one) were written from scratch after the fork
;;;; from CMU CL.
;;;;
;;;; This software is in the public domain and is provided with
;;;; absolutely no warranty. See the COPYING and CREDITS files for
;;;; more information.

(in-package "SB!VM")



;;; Do whatever is necessary to make the given code component executable.
;;; On the 601, we have less to do than on some other PowerPC chips.
;;; This should be what needs to be done in the general case.
(defun sanctify-for-execution (component)
  (without-gcing
    (alien-funcall (extern-alien "ppc_flush_icache"
                                 (function void
                                           system-area-pointer
                                           unsigned-long))
                   (code-instructions component)
                   (* (code-header-ref component code-code-size-slot)
                      n-word-bytes)))
  nil)