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• Elf-header

Elf-header->shoff

Get the shoff field from a elf-header.

Signature

(elf-header->shoff x) → shoff

Arguments

x — Guard (elf-header-p x).

Returns

shoff — Type (natp shoff).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: elf-header->shoff$inline

(defun elf-header->shoff$inline (x)
  (declare (xargs :guard (elf-header-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'elf-header->shoff))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (nfix (cdr (std::da-nth 12 x))))
         :exec (cdr (std::da-nth 12 x)))))

Theorem: natp-of-elf-header->shoff

(defthm natp-of-elf-header->shoff
  (b* ((shoff (elf-header->shoff$inline x)))
    (natp shoff))
  :rule-classes :rewrite)

Theorem: elf-header->shoff$inline-of-elf-header-fix-x

(defthm elf-header->shoff$inline-of-elf-header-fix-x
  (equal (elf-header->shoff$inline (elf-header-fix x))
         (elf-header->shoff$inline x)))

Theorem: elf-header->shoff$inline-elf-header-equiv-congruence-on-x

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