include/asm-ia64/elf.h - third_party/linux - Git at Google

 #ifndef _ASM_IA64_ELF_H
 #define _ASM_IA64_ELF_H

 /*
  * ELF-specific definitions.
  *
  * Copyright (C) 1998-1999, 2002-2004 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
  */


 #include <asm/fpu.h>
 #include <asm/page.h>
 #include <asm/auxvec.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? */

 #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 + 0x800000000UL)

 #define PT_IA_64_UNWIND		0x70000001

 /* IA-64 relocations: */
 #define R_IA64_NONE		0x00	/* none */
 #define R_IA64_IMM14		0x21	/* symbol + addend, add imm14 */
 #define R_IA64_IMM22		0x22	/* symbol + addend, add imm22 */
 #define R_IA64_IMM64		0x23	/* symbol + addend, mov imm64 */
 #define R_IA64_DIR32MSB		0x24	/* symbol + addend, data4 MSB */
 #define R_IA64_DIR32LSB		0x25	/* symbol + addend, data4 LSB */
 #define R_IA64_DIR64MSB		0x26	/* symbol + addend, data8 MSB */
 #define R_IA64_DIR64LSB		0x27	/* symbol + addend, data8 LSB */
 #define R_IA64_GPREL22		0x2a	/* @gprel(sym+add), add imm22 */
 #define R_IA64_GPREL64I		0x2b	/* @gprel(sym+add), mov imm64 */
 #define R_IA64_GPREL32MSB	0x2c	/* @gprel(sym+add), data4 MSB */
 #define R_IA64_GPREL32LSB	0x2d	/* @gprel(sym+add), data4 LSB */
 #define R_IA64_GPREL64MSB	0x2e	/* @gprel(sym+add), data8 MSB */
 #define R_IA64_GPREL64LSB	0x2f	/* @gprel(sym+add), data8 LSB */
 #define R_IA64_LTOFF22		0x32	/* @ltoff(sym+add), add imm22 */
 #define R_IA64_LTOFF64I		0x33	/* @ltoff(sym+add), mov imm64 */
 #define R_IA64_PLTOFF22		0x3a	/* @pltoff(sym+add), add imm22 */
 #define R_IA64_PLTOFF64I	0x3b	/* @pltoff(sym+add), mov imm64 */
 #define R_IA64_PLTOFF64MSB	0x3e	/* @pltoff(sym+add), data8 MSB */
 #define R_IA64_PLTOFF64LSB	0x3f	/* @pltoff(sym+add), data8 LSB */
 #define R_IA64_FPTR64I		0x43	/* @fptr(sym+add), mov imm64 */
 #define R_IA64_FPTR32MSB	0x44	/* @fptr(sym+add), data4 MSB */
 #define R_IA64_FPTR32LSB	0x45	/* @fptr(sym+add), data4 LSB */
 #define R_IA64_FPTR64MSB	0x46	/* @fptr(sym+add), data8 MSB */
 #define R_IA64_FPTR64LSB	0x47	/* @fptr(sym+add), data8 LSB */
 #define R_IA64_PCREL60B		0x48	/* @pcrel(sym+add), brl */
 #define R_IA64_PCREL21B		0x49	/* @pcrel(sym+add), ptb, call */
 #define R_IA64_PCREL21M		0x4a	/* @pcrel(sym+add), chk.s */
 #define R_IA64_PCREL21F		0x4b	/* @pcrel(sym+add), fchkf */
 #define R_IA64_PCREL32MSB	0x4c	/* @pcrel(sym+add), data4 MSB */
 #define R_IA64_PCREL32LSB	0x4d	/* @pcrel(sym+add), data4 LSB */
 #define R_IA64_PCREL64MSB	0x4e	/* @pcrel(sym+add), data8 MSB */
 #define R_IA64_PCREL64LSB	0x4f	/* @pcrel(sym+add), data8 LSB */
 #define R_IA64_LTOFF_FPTR22	0x52	/* @ltoff(@fptr(s+a)), imm22 */
 #define R_IA64_LTOFF_FPTR64I	0x53	/* @ltoff(@fptr(s+a)), imm64 */
 #define R_IA64_LTOFF_FPTR32MSB	0x54	/* @ltoff(@fptr(s+a)), 4 MSB */
 #define R_IA64_LTOFF_FPTR32LSB	0x55	/* @ltoff(@fptr(s+a)), 4 LSB */
 #define R_IA64_LTOFF_FPTR64MSB	0x56	/* @ltoff(@fptr(s+a)), 8 MSB */
 #define R_IA64_LTOFF_FPTR64LSB	0x57	/* @ltoff(@fptr(s+a)), 8 LSB */
 #define R_IA64_SEGREL32MSB	0x5c	/* @segrel(sym+add), data4 MSB */
 #define R_IA64_SEGREL32LSB	0x5d	/* @segrel(sym+add), data4 LSB */
 #define R_IA64_SEGREL64MSB	0x5e	/* @segrel(sym+add), data8 MSB */
 #define R_IA64_SEGREL64LSB	0x5f	/* @segrel(sym+add), data8 LSB */
 #define R_IA64_SECREL32MSB	0x64	/* @secrel(sym+add), data4 MSB */
 #define R_IA64_SECREL32LSB	0x65	/* @secrel(sym+add), data4 LSB */
 #define R_IA64_SECREL64MSB	0x66	/* @secrel(sym+add), data8 MSB */
 #define R_IA64_SECREL64LSB	0x67	/* @secrel(sym+add), data8 LSB */
 #define R_IA64_REL32MSB		0x6c	/* data 4 + REL */
 #define R_IA64_REL32LSB		0x6d	/* data 4 + REL */
 #define R_IA64_REL64MSB		0x6e	/* data 8 + REL */
 #define R_IA64_REL64LSB		0x6f	/* data 8 + REL */
 #define R_IA64_LTV32MSB		0x74	/* symbol + addend, data4 MSB */
 #define R_IA64_LTV32LSB		0x75	/* symbol + addend, data4 LSB */
 #define R_IA64_LTV64MSB		0x76	/* symbol + addend, data8 MSB */
 #define R_IA64_LTV64LSB		0x77	/* symbol + addend, data8 LSB */
 #define R_IA64_PCREL21BI	0x79	/* @pcrel(sym+add), ptb, call */
 #define R_IA64_PCREL22		0x7a	/* @pcrel(sym+add), imm22 */
 #define R_IA64_PCREL64I		0x7b	/* @pcrel(sym+add), imm64 */
 #define R_IA64_IPLTMSB		0x80	/* dynamic reloc, imported PLT, MSB */
 #define R_IA64_IPLTLSB		0x81	/* dynamic reloc, imported PLT, LSB */
 #define R_IA64_COPY		0x84	/* dynamic reloc, data copy */
 #define R_IA64_SUB		0x85	/* -symbol + addend, add imm22 */
 #define R_IA64_LTOFF22X		0x86	/* LTOFF22, relaxable.  */
 #define R_IA64_LDXMOV		0x87	/* Use of LTOFF22X.  */
 #define R_IA64_TPREL14		0x91	/* @tprel(sym+add), add imm14 */
 #define R_IA64_TPREL22		0x92	/* @tprel(sym+add), add imm22 */
 #define R_IA64_TPREL64I		0x93	/* @tprel(sym+add), add imm64 */
 #define R_IA64_TPREL64MSB	0x96	/* @tprel(sym+add), data8 MSB */
 #define R_IA64_TPREL64LSB	0x97	/* @tprel(sym+add), data8 LSB */
 #define R_IA64_LTOFF_TPREL22	0x9a	/* @ltoff(@tprel(s+a)), add imm22 */
 #define R_IA64_DTPMOD64MSB	0xa6	/* @dtpmod(sym+add), data8 MSB */
 #define R_IA64_DTPMOD64LSB	0xa7	/* @dtpmod(sym+add), data8 LSB */
 #define R_IA64_LTOFF_DTPMOD22	0xaa	/* @ltoff(@dtpmod(s+a)), imm22 */
 #define R_IA64_DTPREL14		0xb1	/* @dtprel(sym+add), imm14 */
 #define R_IA64_DTPREL22		0xb2	/* @dtprel(sym+add), imm22 */
 #define R_IA64_DTPREL64I	0xb3	/* @dtprel(sym+add), imm64 */
 #define R_IA64_DTPREL32MSB	0xb4	/* @dtprel(sym+add), data4 MSB */
 #define R_IA64_DTPREL32LSB	0xb5	/* @dtprel(sym+add), data4 LSB */
 #define R_IA64_DTPREL64MSB	0xb6	/* @dtprel(sym+add), data8 MSB */
 #define R_IA64_DTPREL64LSB	0xb7	/* @dtprel(sym+add), data8 LSB */
 #define R_IA64_LTOFF_DTPREL22	0xba	/* @ltoff(@dtprel(s+a)), imm22 */

 /* IA-64 specific section flags: */
 #define SHF_IA_64_SHORT		0x10000000	/* section near gp */

 /*
  * 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, load_addr)	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 ar.csd ar.ssd
  */
 #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_fpxregset_t;

 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	NULL

 #define SET_PERSONALITY(ex, ibcs2)	set_personality(PER_LINUX)
 #define elf_read_implies_exec(ex, executable_stack)					\
 	((executable_stack!=EXSTACK_DISABLE_X) && ((ex).e_flags & EF_IA_64_LINUX_EXECUTABLE_STACK) != 0)

 struct task_struct;

 extern int dump_task_regs(struct task_struct *, elf_gregset_t *);
 extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);

 #define ELF_CORE_COPY_TASK_REGS(tsk, elf_gregs) dump_task_regs(tsk, elf_gregs)
 #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)

 #define GATE_EHDR	((const struct elfhdr *) GATE_ADDR)

 /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
 #define ARCH_DLINFO								\
 do {										\
 	extern char __kernel_syscall_via_epc[];					\
 	NEW_AUX_ENT(AT_SYSINFO, (unsigned long) __kernel_syscall_via_epc);	\
 	NEW_AUX_ENT(AT_SYSINFO_EHDR, (unsigned long) GATE_EHDR);		\
 } while (0)


 /*
  * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
  * extra segments containing the gate DSO contents.  Dumping its
  * contents makes post-mortem fully interpretable later without matching up
  * the same kernel and hardware config to see what PC values meant.
  * Dumping its extra ELF program headers includes all the other information
  * a debugger needs to easily find how the gate DSO was being used.
  */
 #define ELF_CORE_EXTRA_PHDRS		(GATE_EHDR->e_phnum)
 #define ELF_CORE_WRITE_EXTRA_PHDRS						\
 do {										\
 	const struct elf_phdr *const gate_phdrs =			      \
 		(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);   \
 	int i;									\
 	Elf64_Off ofs = 0;						      \
 	for (i = 0; i < GATE_EHDR->e_phnum; ++i) {				\
 		struct elf_phdr phdr = gate_phdrs[i];			      \
 		if (phdr.p_type == PT_LOAD) {					\
 			phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz);	      \
 			phdr.p_filesz = phdr.p_memsz;			      \
 			if (ofs == 0) {					      \
 				ofs = phdr.p_offset = offset;		      \
 			offset += phdr.p_filesz;				\
 		}							      \
 		else							      \
 				phdr.p_offset = ofs;			      \
 		}							      \
 		else							      \
 			phdr.p_offset += ofs;					\
 		phdr.p_paddr = 0; /* match other core phdrs */			\
 		DUMP_WRITE(&phdr, sizeof(phdr));				\
 	}									\
 } while (0)
 #define ELF_CORE_WRITE_EXTRA_DATA					\
 do {									\
 	const struct elf_phdr *const gate_phdrs =			      \
 		(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);   \
 	int i;								\
 	for (i = 0; i < GATE_EHDR->e_phnum; ++i) {			\
 		if (gate_phdrs[i].p_type == PT_LOAD) {			      \
 			DUMP_WRITE((void *) gate_phdrs[i].p_vaddr,	      \
 				   PAGE_ALIGN(gate_phdrs[i].p_memsz));	      \
 			break;						      \
 		}							      \
 	}								\
 } while (0)

 #endif /* _ASM_IA64_ELF_H */
	#ifndef _ASM_IA64_ELF_H
	#define _ASM_IA64_ELF_H

	/*
	* ELF-specific definitions.
	*
	* Copyright (C) 1998-1999, 2002-2004 Hewlett-Packard Co
	* David Mosberger-Tang <davidm@hpl.hp.com>
	*/


	#include <asm/fpu.h>
	#include <asm/page.h>
	#include <asm/auxvec.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? */

	#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 + 0x800000000UL)

	#define PT_IA_64_UNWIND 0x70000001

	/* IA-64 relocations: */
	#define R_IA64_NONE 0x00 /* none */
	#define R_IA64_IMM14 0x21 /* symbol + addend, add imm14 */
	#define R_IA64_IMM22 0x22 /* symbol + addend, add imm22 */
	#define R_IA64_IMM64 0x23 /* symbol + addend, mov imm64 */
	#define R_IA64_DIR32MSB 0x24 /* symbol + addend, data4 MSB */
	#define R_IA64_DIR32LSB 0x25 /* symbol + addend, data4 LSB */
	#define R_IA64_DIR64MSB 0x26 /* symbol + addend, data8 MSB */
	#define R_IA64_DIR64LSB 0x27 /* symbol + addend, data8 LSB */
	#define R_IA64_GPREL22 0x2a /* @gprel(sym+add), add imm22 */
	#define R_IA64_GPREL64I 0x2b /* @gprel(sym+add), mov imm64 */
	#define R_IA64_GPREL32MSB 0x2c /* @gprel(sym+add), data4 MSB */
	#define R_IA64_GPREL32LSB 0x2d /* @gprel(sym+add), data4 LSB */
	#define R_IA64_GPREL64MSB 0x2e /* @gprel(sym+add), data8 MSB */
	#define R_IA64_GPREL64LSB 0x2f /* @gprel(sym+add), data8 LSB */
	#define R_IA64_LTOFF22 0x32 /* @ltoff(sym+add), add imm22 */
	#define R_IA64_LTOFF64I 0x33 /* @ltoff(sym+add), mov imm64 */
	#define R_IA64_PLTOFF22 0x3a /* @pltoff(sym+add), add imm22 */
	#define R_IA64_PLTOFF64I 0x3b /* @pltoff(sym+add), mov imm64 */
	#define R_IA64_PLTOFF64MSB 0x3e /* @pltoff(sym+add), data8 MSB */
	#define R_IA64_PLTOFF64LSB 0x3f /* @pltoff(sym+add), data8 LSB */
	#define R_IA64_FPTR64I 0x43 /* @fptr(sym+add), mov imm64 */
	#define R_IA64_FPTR32MSB 0x44 /* @fptr(sym+add), data4 MSB */
	#define R_IA64_FPTR32LSB 0x45 /* @fptr(sym+add), data4 LSB */
	#define R_IA64_FPTR64MSB 0x46 /* @fptr(sym+add), data8 MSB */
	#define R_IA64_FPTR64LSB 0x47 /* @fptr(sym+add), data8 LSB */
	#define R_IA64_PCREL60B 0x48 /* @pcrel(sym+add), brl */
	#define R_IA64_PCREL21B 0x49 /* @pcrel(sym+add), ptb, call */
	#define R_IA64_PCREL21M 0x4a /* @pcrel(sym+add), chk.s */
	#define R_IA64_PCREL21F 0x4b /* @pcrel(sym+add), fchkf */
	#define R_IA64_PCREL32MSB 0x4c /* @pcrel(sym+add), data4 MSB */
	#define R_IA64_PCREL32LSB 0x4d /* @pcrel(sym+add), data4 LSB */
	#define R_IA64_PCREL64MSB 0x4e /* @pcrel(sym+add), data8 MSB */
	#define R_IA64_PCREL64LSB 0x4f /* @pcrel(sym+add), data8 LSB */
	#define R_IA64_LTOFF_FPTR22 0x52 /* @ltoff(@fptr(s+a)), imm22 */
	#define R_IA64_LTOFF_FPTR64I 0x53 /* @ltoff(@fptr(s+a)), imm64 */
	#define R_IA64_LTOFF_FPTR32MSB 0x54 /* @ltoff(@fptr(s+a)), 4 MSB */
	#define R_IA64_LTOFF_FPTR32LSB 0x55 /* @ltoff(@fptr(s+a)), 4 LSB */
	#define R_IA64_LTOFF_FPTR64MSB 0x56 /* @ltoff(@fptr(s+a)), 8 MSB */
	#define R_IA64_LTOFF_FPTR64LSB 0x57 /* @ltoff(@fptr(s+a)), 8 LSB */
	#define R_IA64_SEGREL32MSB 0x5c /* @segrel(sym+add), data4 MSB */
	#define R_IA64_SEGREL32LSB 0x5d /* @segrel(sym+add), data4 LSB */
	#define R_IA64_SEGREL64MSB 0x5e /* @segrel(sym+add), data8 MSB */
	#define R_IA64_SEGREL64LSB 0x5f /* @segrel(sym+add), data8 LSB */
	#define R_IA64_SECREL32MSB 0x64 /* @secrel(sym+add), data4 MSB */
	#define R_IA64_SECREL32LSB 0x65 /* @secrel(sym+add), data4 LSB */
	#define R_IA64_SECREL64MSB 0x66 /* @secrel(sym+add), data8 MSB */
	#define R_IA64_SECREL64LSB 0x67 /* @secrel(sym+add), data8 LSB */
	#define R_IA64_REL32MSB 0x6c /* data 4 + REL */
	#define R_IA64_REL32LSB 0x6d /* data 4 + REL */
	#define R_IA64_REL64MSB 0x6e /* data 8 + REL */
	#define R_IA64_REL64LSB 0x6f /* data 8 + REL */
	#define R_IA64_LTV32MSB 0x74 /* symbol + addend, data4 MSB */
	#define R_IA64_LTV32LSB 0x75 /* symbol + addend, data4 LSB */
	#define R_IA64_LTV64MSB 0x76 /* symbol + addend, data8 MSB */
	#define R_IA64_LTV64LSB 0x77 /* symbol + addend, data8 LSB */
	#define R_IA64_PCREL21BI 0x79 /* @pcrel(sym+add), ptb, call */
	#define R_IA64_PCREL22 0x7a /* @pcrel(sym+add), imm22 */
	#define R_IA64_PCREL64I 0x7b /* @pcrel(sym+add), imm64 */
	#define R_IA64_IPLTMSB 0x80 /* dynamic reloc, imported PLT, MSB */
	#define R_IA64_IPLTLSB 0x81 /* dynamic reloc, imported PLT, LSB */
	#define R_IA64_COPY 0x84 /* dynamic reloc, data copy */
	#define R_IA64_SUB 0x85 /* -symbol + addend, add imm22 */
	#define R_IA64_LTOFF22X 0x86 /* LTOFF22, relaxable. */
	#define R_IA64_LDXMOV 0x87 /* Use of LTOFF22X. */
	#define R_IA64_TPREL14 0x91 /* @tprel(sym+add), add imm14 */
	#define R_IA64_TPREL22 0x92 /* @tprel(sym+add), add imm22 */
	#define R_IA64_TPREL64I 0x93 /* @tprel(sym+add), add imm64 */
	#define R_IA64_TPREL64MSB 0x96 /* @tprel(sym+add), data8 MSB */
	#define R_IA64_TPREL64LSB 0x97 /* @tprel(sym+add), data8 LSB */
	#define R_IA64_LTOFF_TPREL22 0x9a /* @ltoff(@tprel(s+a)), add imm22 */
	#define R_IA64_DTPMOD64MSB 0xa6 /* @dtpmod(sym+add), data8 MSB */
	#define R_IA64_DTPMOD64LSB 0xa7 /* @dtpmod(sym+add), data8 LSB */
	#define R_IA64_LTOFF_DTPMOD22 0xaa /* @ltoff(@dtpmod(s+a)), imm22 */
	#define R_IA64_DTPREL14 0xb1 /* @dtprel(sym+add), imm14 */
	#define R_IA64_DTPREL22 0xb2 /* @dtprel(sym+add), imm22 */
	#define R_IA64_DTPREL64I 0xb3 /* @dtprel(sym+add), imm64 */
	#define R_IA64_DTPREL32MSB 0xb4 /* @dtprel(sym+add), data4 MSB */
	#define R_IA64_DTPREL32LSB 0xb5 /* @dtprel(sym+add), data4 LSB */
	#define R_IA64_DTPREL64MSB 0xb6 /* @dtprel(sym+add), data8 MSB */
	#define R_IA64_DTPREL64LSB 0xb7 /* @dtprel(sym+add), data8 LSB */
	#define R_IA64_LTOFF_DTPREL22 0xba /* @ltoff(@dtprel(s+a)), imm22 */

	/* IA-64 specific section flags: */
	#define SHF_IA_64_SHORT 0x10000000 /* section near gp */

	/*
	* 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, load_addr) 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 ar.csd ar.ssd
	*/
	#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_fpxregset_t;

	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 NULL

	#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX)
	#define elf_read_implies_exec(ex, executable_stack) \
	((executable_stack!=EXSTACK_DISABLE_X) && ((ex).e_flags & EF_IA_64_LINUX_EXECUTABLE_STACK) != 0)

	struct task_struct;

	extern int dump_task_regs(struct task_struct , elf_gregset_t );
	extern int dump_task_fpu (struct task_struct , elf_fpregset_t );

	#define ELF_CORE_COPY_TASK_REGS(tsk, elf_gregs) dump_task_regs(tsk, elf_gregs)
	#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)

	#define GATE_EHDR ((const struct elfhdr *) GATE_ADDR)

	/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
	#define ARCH_DLINFO \
	do { \
	extern char __kernel_syscall_via_epc[]; \
	NEW_AUX_ENT(AT_SYSINFO, (unsigned long) __kernel_syscall_via_epc); \
	NEW_AUX_ENT(AT_SYSINFO_EHDR, (unsigned long) GATE_EHDR); \
	} while (0)


	/*
	* These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
	* extra segments containing the gate DSO contents. Dumping its
	* contents makes post-mortem fully interpretable later without matching up
	* the same kernel and hardware config to see what PC values meant.
	* Dumping its extra ELF program headers includes all the other information
	* a debugger needs to easily find how the gate DSO was being used.
	*/
	#define ELF_CORE_EXTRA_PHDRS (GATE_EHDR->e_phnum)
	#define ELF_CORE_WRITE_EXTRA_PHDRS \
	do { \
	const struct elf_phdr *const gate_phdrs = \
	(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff); \
	int i; \
	Elf64_Off ofs = 0; \
	for (i = 0; i < GATE_EHDR->e_phnum; ++i) { \
	struct elf_phdr phdr = gate_phdrs[i]; \
	if (phdr.p_type == PT_LOAD) { \
	phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz); \
	phdr.p_filesz = phdr.p_memsz; \
	if (ofs == 0) { \
	ofs = phdr.p_offset = offset; \
	offset += phdr.p_filesz; \
	} \
	else \
	phdr.p_offset = ofs; \
	} \
	else \
	phdr.p_offset += ofs; \
	phdr.p_paddr = 0; /* match other core phdrs */ \
	DUMP_WRITE(&phdr, sizeof(phdr)); \
	} \
	} while (0)
	#define ELF_CORE_WRITE_EXTRA_DATA \
	do { \
	const struct elf_phdr *const gate_phdrs = \
	(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff); \
	int i; \
	for (i = 0; i < GATE_EHDR->e_phnum; ++i) { \
	if (gate_phdrs[i].p_type == PT_LOAD) { \
	DUMP_WRITE((void *) gate_phdrs[i].p_vaddr, \
	PAGE_ALIGN(gate_phdrs[i].p_memsz)); \
	break; \
	} \
	} \
	} while (0)

	#endif /* _ASM_IA64_ELF_H */