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Section-info

Section-info->header

Get the header field from a section-info.

Signature
(section-info->header x) → header
Arguments: x — Guard (section-info-p x).
Returns: header — Type (elf-section-header-p header).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: section-info->header$inline

(defun section-info->header$inline (x)
  (declare (xargs :guard (section-info-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'section-info->header))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (elf-section-header-fix (cdr (std::da-nth 0 x))))
         :exec (cdr (std::da-nth 0 x)))))

Theorem: elf-section-header-p-of-section-info->header

(defthm elf-section-header-p-of-section-info->header
  (b* ((header (section-info->header$inline x)))
    (elf-section-header-p header))
  :rule-classes :rewrite)

Theorem: section-info->header$inline-of-section-info-fix-x

(defthm section-info->header$inline-of-section-info-fix-x
  (equal (section-info->header$inline (section-info-fix x))
         (section-info->header$inline x)))

Theorem: section-info->header$inline-section-info-equiv-congruence-on-x

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