;;;; vm.test --- tests for the ELF machinery and VM   -*- scheme -*-
;;;; Copyright (C) 2017 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
;;;; License as published by the Free Software Foundation; either
;;;; version 3 of the License, or (at your option) any later version.
;;;;
;;;; This library 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
;;;; Lesser General Public License for more details.
;;;;
;;;; You should have received a copy of the GNU Lesser General Public
;;;; License along with this library; if not, write to the Free Software
;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

(define-module (tests vm)
  #:use-module (test-suite lib)
  #:use-module (system vm loader)
  #:use-module (system vm elf)
  #:use-module (rnrs bytevectors))

(define (elf->bytevector elf)
  (let ((bv (make-bytevector 1000)))
    (write-elf-header bv elf)
    bv))


(with-test-prefix "load-thunk-from-memory"

  (pass-if-exception "wrong byte order"
      '(misc-error . "does not have native byte order")
    ;; This used to throw to 'system-error' with whatever value errno had.
    (begin
      (false-if-exception (open-output-file "/does-not-exist"))
      (load-thunk-from-memory
       (elf->bytevector
        (make-elf #:byte-order (if (eq? (native-endianness)
                                        (endianness little))
                                   (endianness big)
                                   (endianness
                                    little))
                  #:shoff 0)))))

  (pass-if-exception "wrong OS ABI"
      '(misc-error . "OS ABI")
    ;; This used to throw to 'system-error' with whatever value errno had.
    (begin
      (false-if-exception (open-output-file "/does-not-exist"))
      (load-thunk-from-memory
       (elf->bytevector
        (make-elf #:abi ELFOSABI_TRU64            ;RIP
                  #:shoff 0))))))