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; EXLD Library
; Note: The license below is based on the template at:
; http://opensource.org/licenses/BSD-3-Clause
; Copyright (C) 2015, Regents of the University of Texas
; All rights reserved.
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are
; met:
; o Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; o 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.
; o Neither the name of the copyright holders nor the names of its
; contributors may be used to endorse or promote products derived
; from this software without specific prior written permission.
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
; "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 COPYRIGHT
; HOLDER OR CONTRIBUTORS 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.
; Original Author(s):
; Shilpi Goel <shigoel@cs.utexas.edu>
; [Shilpi Goel] This book used to live in
; projects/x86isa/tools/execution/exec-loaders, but now it's
; in a stand-alone library of its own.
(in-package "EXLD")
(include-book "mach-o-constants")
(include-book "centaur/defrstobj2/defrstobj" :dir :system)
(local (include-book "centaur/bitops/ihsext-basics" :dir :system))
(local (in-theory (disable unsigned-byte-p loghead logtail)))
(local (xdoc::set-default-parents mach-o-reader))
;; ======================================================================
(defconst *mach-o-body*
`(
(mach-o-file-size :type (integer 0 *)
:initially 0 :fix (nfix x))
(load-cmds-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(mach-o-header-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
;; TEXT Segment
;; text section:
(TEXT-text-section-addr :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(TEXT-text-section-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(TEXT-text-section-offset :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(TEXT-text-section-bytes :type (satisfies byte-listp)
:initially nil :fix (ec-call (acl2::byte-list-fix x)))
;; cstring section:
(TEXT-cstring-section-addr :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(TEXT-cstring-section-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(TEXT-cstring-section-offset :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(TEXT-cstring-section-bytes :type (satisfies byte-listp)
:initially nil :fix (ec-call (acl2::byte-list-fix x)))
;; const section:
(TEXT-const-section-addr :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(TEXT-const-section-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(TEXT-const-section-offset :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(TEXT-const-section-bytes :type (satisfies byte-listp)
:initially nil :fix (ec-call (acl2::byte-list-fix x)))
;; DATA Segment
;; data section:
(DATA-data-section-addr :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-data-section-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-data-section-offset :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-data-section-bytes :type (satisfies byte-listp)
:initially nil :fix (ec-call (acl2::byte-list-fix x)))
;; dyld section:
(DATA-dyld-section-addr :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-dyld-section-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-dyld-section-offset :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-dyld-section-bytes :type (satisfies byte-listp)
:initially nil :fix (ec-call (acl2::byte-list-fix x)))
;; const section:
(DATA-const-section-addr :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-const-section-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-const-section-offset :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-const-section-bytes :type (satisfies byte-listp)
:initially nil :fix (ec-call (acl2::byte-list-fix x)))
;; bss section:
(DATA-bss-section-addr :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-bss-section-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-bss-section-offset :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-bss-section-bytes :type (satisfies byte-listp)
:initially nil :fix (ec-call (acl2::byte-list-fix x)))
;; common section:
(DATA-common-section-addr :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-common-section-size :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-common-section-offset :type (unsigned-byte 64)
:initially 0 :fix (ec-call (loghead 64 x)))
(DATA-common-section-bytes :type (satisfies byte-listp)
:initially nil :fix (ec-call (acl2::byte-list-fix x)))
))
(with-output :off (prove event)
:summary-off #!acl2 (:other-than errors form time)
(make-event
`(rstobj2::defrstobj mach-o
,@*mach-o-body*
:accessor-template (@ x)
:updater-template (! x))))
(defsection good-mach-o-p
:short "The preferred recognizer for the @('mach-o') stobj"
(defun good-mach-o-p (mach-o)
(declare (xargs :stobjs mach-o)
(ignore mach-o))
t))
;; ==================================================================-
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