• Top
  • Documentation
  • Books
  • Boolean-reasoning
  • Debugging
  • Projects
  • Std
  • Proof-automation
  • Macro-libraries
  • ACL2
  • Interfacing-tools
  • Hardware-verification
  • Software-verification
    • Kestrel-books
    • X86isa
    • Axe
    • Execloader
      • Elf-reader
      • Mach-o-reader
        • Read-load_commands
        • Read-section_data_sz_structures
        • Mach-o-section-header
        • Mach-o-header
          • Mach-o-header-fix
          • Make-mach-o-header
          • Mach-o-header-equiv
          • Mach-o-header-p
          • Change-mach-o-header
          • Mach-o-header->reserved
          • Mach-o-header->sizeofcmds
          • Mach-o-header->filetype
          • Mach-o-header->cputype
          • Mach-o-header->cpusubtype
          • Mach-o-header->ncmds
          • Mach-o-header->magic
          • Mach-o-header->flags
        • Populate-mach-o-contents
        • Good-mach-o-p
        • Fill-data-segment-bytes
        • Fill-text-text-section-bytes
        • Fill-text-segment-bytes
        • Fill-text-cstring-section-bytes
        • Fill-text-const-section-bytes
        • Fill-data-dyld-section-bytes
        • Fill-data-data-section-bytes
        • Fill-data-const-section-bytes
        • Fill-data-common-section-bytes
        • Fill-data-bss-section-bytes
        • Read-mach_header
        • Populate-mach-o
        • Mach-o-section-headers
      • Merge-first-split-bytes
      • Split-bytes
      • Take-till-zero
      • Charlist->bytes
      • Merge-bytes
      • Bytes->charlist
      • String->bytes
      • Bytes->string
  • Math
  • Testing-utilities

• Mach-o-header

Mach-o-header->ncmds

Get the ncmds field from a mach-o-header.

Signature

(mach-o-header->ncmds x) → ncmds

Arguments

x — Guard (mach-o-header-p x).

Returns

ncmds — Type (natp ncmds).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: mach-o-header->ncmds$inline

(defun mach-o-header->ncmds$inline (x)
  (declare (xargs :guard (mach-o-header-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'mach-o-header->ncmds))
    (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-header->ncmds

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

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

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

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

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