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  Elf64_Half	vna_flags;		/* Dependency specific information */
  Elf64_Half	vna_other;		/* Unused */
  Elf64_Word	vna_name;		/* Dependency name string offset */
  Elf64_Word	vna_next;		/* Offset in bytes to next vernaux
					   entry */
} Elf64_Vernaux;


/* Legal values for vna_flags.  */
#define VER_FLG_WEAK	0x2		/* Weak version identifier */


/* Auxiliary vector.  */

/* This vector is normally only used by the program interpreter.  The
   usual definition in an ABI supplement uses the name auxv_t.  The
   vector is not usually defined in a standard <elf.h> file, but it
   can't hurt.  We rename it to avoid conflicts.  The sizes of these
   types are an arrangement between the exec server and the program
   interpreter, so we don't fully specify them here.  */

typedef struct
{
  uint32_t a_type;		/* Entry type */
  union
    {
      uint32_t a_val;		/* Integer value */
      /* We use to have pointer elements added here.  We cannot do that,
	 though, since it does not work when using 32-bit definitions
	 on 64-bit platforms and vice versa.  */
    } a_un;
} Elf32_auxv_t;

typedef struct
{
  uint64_t a_type;		/* Entry type */
  union
    {
      uint64_t a_val;		/* Integer value */
      /* We use to have pointer elements added here.  We cannot do that,
	 though, since it does not work when using 32-bit definitions
	 on 64-bit platforms and vice versa.  */
    } a_un;
} Elf64_auxv_t;

/* Legal values for a_type (entry type).  */

#define AT_NULL		0		/* End of vector */
#define AT_IGNORE	1		/* Entry should be ignored */
#define AT_EXECFD	2		/* File descriptor of program */
#define AT_PHDR		3		/* Program headers for program */
#define AT_PHENT	4		/* Size of program header entry */
#define AT_PHNUM	5		/* Number of program headers */
#define AT_PAGESZ	6		/* System page size */
#define AT_BASE		7		/* Base address of interpreter */
#define AT_FLAGS	8		/* Flags */
#define AT_ENTRY	9		/* Entry point of program */
#define AT_NOTELF	10		/* Program is not ELF */
#define AT_UID		11		/* Real uid */
#define AT_EUID		12		/* Effective uid */
#define AT_GID		13		/* Real gid */
#define AT_EGID		14		/* Effective gid */
#define AT_CLKTCK	17		/* Frequency of times() */

/* Some more special a_type values describing the hardware.  */
#define AT_PLATFORM	15		/* String identifying platform.  */
#define AT_HWCAP	16		/* Machine dependent hints about
					   processor capabilities.  */

/* This entry gives some information about the FPU initialization
   performed by the kernel.  */
#define AT_FPUCW	18		/* Used FPU control word.  */

/* Cache block sizes.  */
#define AT_DCACHEBSIZE	19		/* Data cache block size.  */
#define AT_ICACHEBSIZE	20		/* Instruction cache block size.  */
#define AT_UCACHEBSIZE	21		/* Unified cache block size.  */

/* A special ignored value for PPC, used by the kernel to control the
   interpretation of the AUXV. Must be > 16.  */
#define AT_IGNOREPPC	22		/* Entry should be ignored.  */

#define	AT_SECURE	23		/* Boolean, was exec setuid-like?  */

#define AT_BASE_PLATFORM 24		/* String identifying real platforms.*/

#define AT_RANDOM	25		/* Address of 16 random bytes.  */

#define AT_EXECFN	31		/* Filename of executable.  */

/* Pointer to the global system page used for system calls and other
   nice things.  */
#define AT_SYSINFO	32
#define AT_SYSINFO_EHDR	33

/* Shapes of the caches.  Bits 0-3 contains associativity; bits 4-7 contains
   log2 of line size; mask those to get cache size.  */
#define AT_L1I_CACHESHAPE	34
#define AT_L1D_CACHESHAPE	35
#define AT_L2_CACHESHAPE	36
#define AT_L3_CACHESHAPE	37

/* Note section contents.  Each entry in the note section begins with
   a header of a fixed form.  */

typedef struct
{
  Elf32_Word n_namesz;			/* Length of the note's name.  */
  Elf32_Word n_descsz;			/* Length of the note's descriptor.  */
  Elf32_Word n_type;			/* Type of the note.  */
} Elf32_Nhdr;

typedef struct
{
  Elf64_Word n_namesz;			/* Length of the note's name.  */
  Elf64_Word n_descsz;			/* Length of the note's descriptor.  */
  Elf64_Word n_type;			/* Type of the note.  */
} Elf64_Nhdr;

/* Known names of notes.  */

/* Solaris entries in the note section have this name.  */