arch/x86/vdso/vdso.S

   1 #include <asm/page_types.h>
   2 #include <linux/linkage.h>
   3 #include <linux/init.h>
   4
   5 __PAGE_ALIGNED_DATA
   6
   7         .globl vdso_start, vdso_end
   8         .align PAGE_SIZE
   9 vdso_start:
  10         .incbin "arch/x86/vdso/vdso.so"
  11 vdso_end:
  12         .align PAGE_SIZE /* extra data here leaks to userspace. */
  13
  14 .previous
  15
  16         .globl vdso_pages
  17         .bss
  18         .align 8
  19         .type vdso_pages, @object
  20 vdso_pages:
  21         .zero (vdso_end - vdso_start + PAGE_SIZE - 1) / PAGE_SIZE * 8
  22         .size vdso_pages, .-vdso_pages