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• Mach-o-section-header

Mach-o-section-header->offset

Get the offset field from a mach-o-section-header.

Signature

(mach-o-section-header->offset x) → offset

Arguments

x — Guard (mach-o-section-header-p x).

Returns

offset — Type (natp offset).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: mach-o-section-header->offset$inline

(defun mach-o-section-header->offset$inline (x)
  (declare (xargs :guard (mach-o-section-header-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'mach-o-section-header->offset))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (nfix (cdr (std::da-nth 4 x))))
         :exec (cdr (std::da-nth 4 x)))))

Theorem: natp-of-mach-o-section-header->offset

(defthm natp-of-mach-o-section-header->offset
  (b* ((offset (mach-o-section-header->offset$inline x)))
    (natp offset))
  :rule-classes :rewrite)

Theorem: mach-o-section-header->offset$inline-of-mach-o-section-header-fix-x

(defthm
 mach-o-section-header->offset$inline-of-mach-o-section-header-fix-x
 (equal (mach-o-section-header->offset$inline
             (mach-o-section-header-fix x))
        (mach-o-section-header->offset$inline x)))

Theorem: mach-o-section-header->offset$inline-mach-o-section-header-equiv-congruence-on-x

(defthm
 mach-o-section-header->offset$inline-mach-o-section-header-equiv-congruence-on-x
 (implies (mach-o-section-header-equiv x x-equiv)
          (equal (mach-o-section-header->offset$inline x)
                 (mach-o-section-header->offset$inline x-equiv)))
 :rule-classes :congruence)