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x86-debug.scm
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x86-debug.scm
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;;---------------------------------------------------------------------------
;;
;; Copyright (c) 2015, Baptiste Saleil. All rights reserved.
;;
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions are
;; met:
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; 3. The name of the author may not be used to endorse or promote
;; products derived from this software without specific prior written
;; permission.
;;
;; THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
;; WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
;; MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
;; NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
;; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
;; NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
;; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;
;;---------------------------------------------------------------------------
;;-----------------------------------------------------------------------------
;; SLOT DEBUG
(define (get-slot slot)
(get-i64 (+ block-addr (* 8 (cdr (assoc slot debug-slots))))))
(define (gen-set-slot cgc slot imm)
(let ((res (assoc slot debug-slots)))
(if (not res) (error "Compiler error"))
(x86-push cgc (x86-rax))
(x86-push cgc (x86-rbx))
(x86-mov cgc (x86-rax) (x86-imm-int (+ block-addr (* (cdr res) 8))))
(x86-mov cgc (x86-rbx) (x86-imm-int imm))
(x86-mov cgc (x86-mem 0 (x86-rax)) (x86-rbx))
(x86-pop cgc (x86-rbx))
(x86-pop cgc (x86-rax))))
(define (gen-get-slot cgc slot r)
(let ((res (assoc slot debug-slots)))
(if (not res) (error "Compiler error"))
(x86-mov cgc r (x86-imm-int (+ block-addr (* (cdr res) 8))))
(x86-mov cgc r (x86-mem 0 r))))
(define (gen-inc-slots cgc slots)
(for-each (lambda (slot) (gen-inc-slot cgc slot)) slots))
(define (gen-inc-slot cgc slot)
(let ((res (assoc slot debug-slots)))
(if (not res) (error "Compiler error"))
(x86-pushf cgc)
(x86-ppush cgc (x86-rax))
(x86-ppush cgc (x86-rbx))
(x86-mov cgc (x86-rax) (x86-imm-int (+ block-addr (* (cdr res) 8))))
(x86-mov cgc (x86-rbx) (x86-mem 0 (x86-rax)))
(x86-inc cgc (x86-rbx))
(x86-mov cgc (x86-mem 0 (x86-rax)) (x86-rbx))
(x86-ppop cgc (x86-rbx))
(x86-ppop cgc (x86-rax))
(x86-popf cgc)))
(define (gen-add-slot cgc slot loc)
(let ((res (assoc slot debug-slots)))
(if (not res) (error "Compiler error"))
(x86-pushf cgc)
(x86-ppush cgc (x86-rax))
(x86-ppush cgc (x86-rbx))
(if (x86-imm? loc)
(begin (x86-mov cgc (x86-rax) loc)
(x86-ppush cgc loc))
(x86-ppush cgc loc))
(x86-mov cgc (x86-rax) (x86-imm-int (+ block-addr (* (cdr res) 8))))
(x86-ppop cgc (x86-rbx))
(x86-add cgc (x86-rbx) (x86-mem 0 (x86-rax)))
(x86-mov cgc (x86-mem 0 (x86-rax)) (x86-rbx))
(x86-ppop cgc (x86-rbx))
(x86-ppop cgc (x86-rax))
(x86-popf cgc)))