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