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#ifndef __ASM_ALPHA_ELF_H

#define __ASM_ALPHA_ELF_H

/*

 * ELF register definitions..

 */

/*

 * The OSF/1 version of <sys/procfs.h> makes gregset_t 46 entries long.

 * I have no idea why that is so.  For now, we just leave it at 33

 * (32 general regs + processor status word).

 */

#define ELF_NGREG       33

#define ELF_NFPREG      32

typedef unsigned long elf_greg_t;

typedef elf_greg_t elf_gregset_t[ELF_NGREG];

typedef double elf_fpreg_t;

typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];

/*

 * This is used to ensure we don't load something for the wrong architecture.

 */

#define elf_check_arch(x) ((x)->e_machine == EM_ALPHA)

/*

 * These are used to set parameters in the core dumps.

 */

#define ELF_CLASS       ELFCLASS64

#define ELF_DATA        ELFDATA2LSB

#define ELF_ARCH        EM_ALPHA

#define USE_ELF_CORE_DUMP

#define ELF_EXEC_PAGESIZE       8192

/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical

   use of this is to invoke "./ld.so someprog" to test out a new version of

   the loader.  We need to make sure that it is out of the way of the program

   that it will "exec", and that there is sufficient room for the brk.  */

#define ELF_ET_DYN_BASE         (TASK_UNMAPPED_BASE + 0x1000000)

/* $0 is set by ld.so to a pointer to a function which might be

   registered using atexit.  This provides a mean for the dynamic

   linker to call DT_FINI functions for shared libraries that have

   been loaded before the code runs.

   So that we can use the same startup file with static executables,

   we start programs with a value of 0 to indicate that there is no

   such function.  */

#define ELF_PLAT_INIT(_r, load_addr)    _r->r0 = 0

#ifdef __KERNEL__

/* The registers are layed out in pt_regs for PAL and syscall

   convenience.  Re-order them for the linear elf_gregset_t.  */

extern void dump_elf_thread(elf_greg_t *, struct pt_regs *,

                            struct task_struct *);

#define ELF_CORE_COPY_REGS(DEST, REGS) \

        dump_elf_thread(DEST, REGS, current);

#endif /* __KERNEL__ */

/* This yields a mask that user programs can use to figure out what

   instruction set this CPU supports.  This is trivial on Alpha,

   but not so on other machines. */

#define ELF_HWCAP  (~amask(-1))

/* This yields a string that ld.so will use to load implementation

   specific libraries for optimization.  This is more specific in

   intent than poking at uname or /proc/cpuinfo.  */

#define ELF_PLATFORM                            \

({                                              \

        enum implver_enum i_ = implver();       \

        ( i_ == IMPLVER_EV4 ? "ev4"             \

        : i_ == IMPLVER_EV5                     \

          ? (amask(AMASK_BWX) ? "ev5" : "ev56") \

        : amask (AMASK_CIX) ? "ev6" : "ev67");  \

})

#ifdef __KERNEL__

#define SET_PERSONALITY(EX, IBCS2)                              \

        set_personality(((EX).e_flags & EF_ALPHA_32BIT)         \

           ? PER_LINUX_32BIT : (IBCS2) ? PER_SVR4 : PER_LINUX)

#endif

#endif