#ifndef __ASMaxp_ELF_H
#define __ASMaxp_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) == 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

/* $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)       _r->r0 = 0

/* Use the same format as the OSF/1 procfs interface.  The register
   layout is sane.  However, since dump_thread() creates the funky
   layout that ECOFF coredumps want, we need to undo that layout here.
   Eventually, it would be nice if the ECOFF core-dump had to do the
   translation, then ELF_CORE_COPY_REGS() would become trivial and
   faster.  */
#define ELF_CORE_COPY_REGS(_dest,_regs)				\
{								\
	struct user _dump;					\
								\
	dump_thread(_regs, &_dump);				\
	_dest[ 0] = _dump.regs[EF_V0];				\
	_dest[ 1] = _dump.regs[EF_T0];				\
	_dest[ 2] = _dump.regs[EF_T1];				\
	_dest[ 3] = _dump.regs[EF_T2];				\
	_dest[ 4] = _dump.regs[EF_T3];				\
	_dest[ 5] = _dump.regs[EF_T4];				\
	_dest[ 6] = _dump.regs[EF_T5];				\
	_dest[ 7] = _dump.regs[EF_T6];				\
	_dest[ 8] = _dump.regs[EF_T7];				\
	_dest[ 9] = _dump.regs[EF_S0];				\
	_dest[10] = _dump.regs[EF_S1];				\
	_dest[11] = _dump.regs[EF_S2];				\
	_dest[12] = _dump.regs[EF_S3];				\
	_dest[13] = _dump.regs[EF_S4];				\
	_dest[14] = _dump.regs[EF_S5];				\
	_dest[15] = _dump.regs[EF_S6];				\
	_dest[16] = _dump.regs[EF_A0];				\
	_dest[17] = _dump.regs[EF_A1];				\
	_dest[18] = _dump.regs[EF_A2];				\
	_dest[19] = _dump.regs[EF_A3];				\
	_dest[20] = _dump.regs[EF_A4];				\
	_dest[21] = _dump.regs[EF_A5];				\
	_dest[22] = _dump.regs[EF_T8];				\
	_dest[23] = _dump.regs[EF_T9];				\
	_dest[24] = _dump.regs[EF_T10];				\
	_dest[25] = _dump.regs[EF_T11];				\
	_dest[26] = _dump.regs[EF_RA];				\
	_dest[27] = _dump.regs[EF_T12];				\
	_dest[28] = _dump.regs[EF_AT];				\
	_dest[29] = _dump.regs[EF_GP];				\
	_dest[30] = _dump.regs[EF_SP];				\
	_dest[31] = _dump.regs[EF_PC];	/* store PC here */	\
	_dest[32] = _dump.regs[EF_PS];				\
}

#endif