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crsend.scm
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1999-01-02
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#| -*-Scheme-*-
$Id: crsend.scm,v 1.10 1999/01/02 06:06:43 cph Exp $
Copyright (c) 1988-1999 Massachusetts Institute of Technology
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|#
;;;; Cross Compiler End
;;; This program does not need the rest of the compiler, but should
;;; match the version of the same name in crstop.scm and toplev.scm
(declare (usual-integrations))
(define (cross-compile-bin-file-end input-string #!optional output-string)
(compiler-pathnames input-string
(and (not (default-object? output-string)) output-string)
(make-pathname false false false false "moc" 'NEWEST)
(lambda (input-pathname output-pathname)
output-pathname ;ignore
(cross-compile-scode-end (fasload input-pathname)))))
(define (compiler-pathnames input-string output-string default transform)
(let ((kernel
(lambda (input-string)
(let ((input-pathname (merge-pathnames input-string default)))
(let ((output-pathname
(let ((output-pathname
(pathname-new-type input-pathname "com")))
(if output-string
(merge-pathnames output-string output-pathname)
output-pathname))))
(newline)
(write-string "Compile File: ")
(write (enough-namestring input-pathname))
(write-string " => ")
(write (enough-namestring output-pathname))
(fasdump (transform input-pathname output-pathname)
output-pathname))))))
(if (pair? input-string)
(for-each kernel input-string)
(kernel input-string))))
(define (cross-compile-scode-end cross-compilation)
(let ((compile-by-procedures? (vector-ref cross-compilation 0))
(expression (cross-link-end (vector-ref cross-compilation 1)))
(others (map cross-link-end (vector-ref cross-compilation 2))))
(if (null? others)
expression
(scode/make-comment
(make-dbg-info-vector
(let ((all-blocks
(list->vector
(cons
(compiled-code-address->block expression)
others))))
(if compile-by-procedures?
(list 'COMPILED-BY-PROCEDURES
all-blocks
(list->vector others))
all-blocks)))
expression))))
(define-structure (cc-code-block (type vector)
(conc-name cc-code-block/))
(debugging-info false read-only false)
(bit-string false read-only true)
(objects false read-only true)
(object-width false read-only true))
(define-structure (cc-vector (type vector)
(constructor cc-vector/make)
(conc-name cc-vector/))
(code-vector false read-only true)
(entry-label false read-only true)
(entry-points false read-only true)
(label-bindings false read-only true)
(ic-procedure-headers false read-only true))
(define (cross-link-end object)
(let ((code-vector (cc-vector/code-vector object)))
(cross-link/process-code-vector
(cond ((compiled-code-block? code-vector)
code-vector)
((vector? code-vector)
(let ((new-code-vector (cross-link/finish-assembly
(cc-code-block/bit-string code-vector)
(cc-code-block/objects code-vector)
(cc-code-block/object-width code-vector))))
(set-compiled-code-block/debugging-info!
new-code-vector
(cc-code-block/debugging-info code-vector))
new-code-vector))
(else
(error "cross-link-end: Unexpected code-vector"
code-vector object)))
object)))
(define (cross-link/process-code-vector code-vector cc-vector)
(let ((bindings
(let ((label-bindings (cc-vector/label-bindings cc-vector)))
(map (lambda (label)
(cons
label
(with-absolutely-no-interrupts
(lambda ()
(let-syntax ((ucode-primitive
(macro (name)
(make-primitive-procedure name)))
(ucode-type
(macro (name)
(microcode-type name))))
((ucode-primitive PRIMITIVE-OBJECT-SET-TYPE)
(ucode-type COMPILED-ENTRY)
(make-non-pointer-object
(+ (cdr (or (assq label label-bindings)
(error "Missing entry point" label)))
(object-datum code-vector)))))))))
(cc-vector/entry-points cc-vector)))))
(let ((label->expression
(lambda (label)
(cdr (or (assq label bindings)
(error "Label not defined as entry point" label))))))
(let ((expression (label->expression (cc-vector/entry-label cc-vector))))
(for-each (lambda (entry)
(set-lambda-body! (car entry)
(label->expression (cdr entry))))
(cc-vector/ic-procedure-headers cc-vector))
expression))))
(define (cross-link/finish-assembly code-block objects scheme-object-width)
(let-syntax ((ucode-primitive
(macro (name)
(make-primitive-procedure name)))
(ucode-type
(macro (name)
(microcode-type name))))
(let* ((bl (quotient (bit-string-length code-block)
scheme-object-width))
(non-pointer-length
((ucode-primitive make-non-pointer-object) bl))
(output-block (make-vector (1+ (+ (length objects) bl)))))
(with-absolutely-no-interrupts
(lambda ()
(vector-set! output-block 0
((ucode-primitive primitive-object-set-type)
(ucode-type manifest-nm-vector)
non-pointer-length))))
(write-bits! output-block
;; After header just inserted.
(* scheme-object-width 2)
code-block)
(insert-objects! output-block objects (1+ bl))
(object-new-type (ucode-type compiled-code-block)
output-block))))
(define (insert-objects! v objects where)
(cond ((not (null? objects))
(vector-set! v where (cadar objects))
(insert-objects! v (cdr objects) (1+ where)))
((not (= where (vector-length v)))
(error "insert-objects!: object phase error" where))
(else
unspecific)))