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#ifndef _ASM_IA64_ELF_H
#define _ASM_IA64_ELF_H
/*
* ELF archtecture specific definitions.
*
* Copyright (C) 1998, 1999, 2002 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
#include <asm/fpu.h>
#include <asm/page.h>
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) ((x)->e_machine == EM_IA_64)
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_IA_64
#define USE_ELF_CORE_DUMP
/* Least-significant four bits of ELF header's e_flags are OS-specific. The bits are
interpreted as follows by Linux: */
#define EF_IA_64_LINUX_EXECUTABLE_STACK 0x1 /* is stack (& heap) executable by default? */
/* always align to 64KB to allow for future page sizes of up to 64KB: */
#define ELF_EXEC_PAGESIZE PAGE_SIZE
/*
* 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 + 0x800000000)
/*
* We use (abuse?) this macro to insert the (empty) vm_area that is
* used to map the register backing store. I don't see any better
* place to do this, but we should discuss this with Linus once we can
* talk to him...
*/
extern void ia64_init_addr_space (void);
#define ELF_PLAT_INIT(_r) ia64_init_addr_space()
/* ELF register definitions. This is needed for core dump support. */
/*
* elf_gregset_t contains the application-level state in the following order:
* r0-r31
* NaT bits (for r0-r31; bit N == 1 iff rN is a NaT)
* predicate registers (p0-p63)
* b0-b7
* ip cfm psr
* ar.rsc ar.bsp ar.bspstore ar.rnat
* ar.ccv ar.unat ar.fpsr ar.pfs ar.lc ar.ec
*/
#define ELF_NGREG 128 /* we really need just 72 but let's leave some headroom... */
#define ELF_NFPREG 128 /* f0 and f1 could be omitted, but so what... */
typedef unsigned long elf_greg_t;
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct ia64_fpreg elf_fpreg_t;
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
struct pt_regs; /* forward declaration... */
extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst);
#define ELF_CORE_COPY_REGS(_dest,_regs) ia64_elf_core_copy_regs(_regs, _dest);
/* This macro yields a bitmask that programs can use to figure out
what instruction set this CPU supports. */
#define ELF_HWCAP 0
/* This macro yields a string that ld.so will use to load
implementation specific libraries for optimization. Not terribly
relevant until we have real hardware to play with... */
#define ELF_PLATFORM 0
#ifdef __KERNEL__
struct elf64_hdr;
extern void ia64_set_personality (struct elf64_hdr *elf_ex, int ibcs2_interpreter);
#define SET_PERSONALITY(ex, ibcs2) ia64_set_personality(&(ex), ibcs2)
#endif
#endif /* _ASM_IA64_ELF_H */
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