• Top
  • Documentation
  • Books
  • Boolean-reasoning
  • Projects
  • Debugging
  • Std
  • Proof-automation
  • Macro-libraries
  • ACL2
  • Interfacing-tools
  • Hardware-verification
  • Software-verification
    • Kestrel-books
    • X86isa
    • Axe
    • Execloader
      • Elf-reader
        • Elf64_sym
        • Elf32_sym
        • Elf-header
          • Elf-header-fix
          • Make-elf-header
          • Elf-header-p
          • Change-elf-header
          • Elf-header-equiv
          • Elf-header->version
          • Elf-header->shstrndx
          • Elf-header->shentsize
          • Elf-header->phentsize
          • Elf-header->padding
          • Elf-header->magic
          • Elf-header->machine
          • Elf-header->identver
          • Elf-header->ehsize
          • Elf-header->dataenc
          • Elf-header->abiver
          • Elf-header->type
          • Elf-header->shoff
          • Elf-header->shnum
          • Elf-header->phoff
          • Elf-header->phnum
          • Elf-header->osabi
          • Elf-header->flags
          • Elf-header->entry
          • Elf-header->class
        • Elf-section-header
        • Elf64-segment-header
        • Elf32-segment-header
        • Elf_bits32
        • Elf_bits8
        • Elf_bits64
        • Elf_bits16
        • Section-info
        • Read-section-headers
        • Read-segment-headers-64
        • Read-segment-headers-32
        • Read-section-names
        • Elf64_sym-info
        • Elf32_sym-info
        • Read-elf-header
        • Parse-symtab-entries
        • Populate-elf-contents
        • Is-elf-content-p
        • Get-string-section-data
        • Get-section-info1
        • Set-elf-stobj-fields
        • Get-named-section-headers
        • Elf-read-mem-null-term
        • Get-section-info
        • Get-symtab-entries
        • Find-label-address-from-elf-symtab-info
        • Section-names
        • Populate-elf
        • Get-label-addresses
        • Elf-read-string-null-term
        • Get-label-address
        • Good-elf-p
        • Elf64_sym-equiv-under-mask
        • Elf64-segment-headers
        • Elf32_sym-equiv-under-mask
        • Elf32-segment-headers
        • Section-info-list
        • Elf64_sym-info-list
        • Elf32_sym-info-list
        • Elf-section-headers
        • Elf64_sym-debug
        • Elf32_sym-debug
      • Mach-o-reader
      • Merge-first-split-bytes
      • Split-bytes
      • Take-till-zero
      • Charlist->bytes
      • Merge-bytes
      • Bytes->charlist
      • String->bytes
      • Bytes->string
  • Math
  • Testing-utilities

• Elf-header

Elf-header->shnum

Get the shnum field from a elf-header.

Signature

(elf-header->shnum x) → shnum

Arguments

x — Guard (elf-header-p x).

Returns

shnum — Type (natp shnum).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: elf-header->shnum$inline

(defun elf-header->shnum$inline (x)
  (declare (xargs :guard (elf-header-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'elf-header->shnum))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (nfix (cdr (std::da-nth 18 x))))
         :exec (cdr (std::da-nth 18 x)))))

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

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

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

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

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

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