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Another update from ingydotnet^djgoku

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Ingy döt Net 2015-11-18 06:14:39 +00:00
parent 91df62d461
commit 948b86eafa
7604 changed files with 108452 additions and 22726 deletions
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5
Task/Machine-code/Common-Lisp/machine-code.lisp
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@ -23,9 +23,10 @@
(defparameter pointer (sb-alien:make-alien sb-alien:unsigned-char (length mmap)))
(defparameter callp (loop FOR i FROM 0 BELOW (length mmap)
(defparameter callp (loop for byte in mmap
for i from 0
do
(setf (sb-alien:deref pointer i) (elt mmap i))
(setf (sb-alien:deref pointer i) byte)
finally
(return (sb-alien:cast pointer (function integer integer integer)))))

23
Task/Machine-code/Racket/machine-code.rkt Normal file
View file

@ -0,0 +1,23 @@
#lang racket/base
(require ffi/unsafe)
; set up access to racket internals
(define scheme-malloc-code
(get-ffi-obj 'scheme_malloc_code #f (_fun (len : _intptr) -> _pointer)))
(define scheme-free-code
(get-ffi-obj 'scheme_free_code #f (_fun _pointer -> _void)))
(define opcodes '(139 68 36 4 3 68 36 8 195))
(define code (scheme-malloc-code 64))
(for ([byte opcodes]
[i (in-naturals)])
(ptr-set! code _ubyte i byte))
(define function (cast code _pointer (_fun _ubyte _ubyte -> _ubyte)))
(function 7 12)
(scheme-free-code code)