arch/i386/kernel/vsyscall-note.S

   1 /*
   2  * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text.
   3  * Here we can supply some information useful to userland.
   4  */
   5
   6 #include <linux/uts.h>
   7 #include <linux/version.h>
   8
   9 #define ASM_ELF_NOTE_BEGIN(name, flags, vendor, type)                         \
  10         .section name, flags;                                                 \
  11         .balign 4;                                                            \
  12         .long 1f - 0f;          /* name length */                             \
  13         .long 3f - 2f;          /* data length */                             \
  14         .long type;             /* note type */                               \
  15 0:      .asciz vendor;          /* vendor name */                             \
  16 1:      .balign 4;                                                            \
  17 2:
  18
  19 #define ASM_ELF_NOTE_END                                                      \
  20 3:      .balign 4;              /* pad out section */                         \
  21         .previous
  22
  23         ASM_ELF_NOTE_BEGIN(".note.kernel-version", "a", UTS_SYSNAME, 0)
  24         .long LINUX_VERSION_CODE
  25         ASM_ELF_NOTE_END