freebsd-dev/sys/ia64/include/elf.h
John Birrell 6825d60738 PR:
Submitted by:
Reviewed by:
Approved by:
Obtained from:
MFC after:
Security:
Move the relocation definitions to the common elf header so that DTrace
can use them on one architecture targeted to a different one.

Add the additional ELF types defines in Sun's "Linker and Libraries"
manual.
2006-10-04 21:37:10 +00:00

159 lines
4.8 KiB
C

/*-
* Copyright (c) 1996-1997 John D. Polstra.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_ELF_H_
#define _MACHINE_ELF_H_ 1
/*
* ELF definitions for the IA-64 architecture.
*/
#ifndef __ELF_WORD_SIZE
#define __ELF_WORD_SIZE 64
#endif
#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
#include <sys/elf_generic.h>
#define ELF_ARCH EM_IA_64
#define ELF_MACHINE_OK(x) ((x) == EM_IA_64)
/*
* Auxiliary vector entries for passing information to the interpreter.
*
* The i386 supplement to the SVR4 ABI specification names this "auxv_t",
* but POSIX lays claim to all symbols ending with "_t".
*/
typedef struct { /* Auxiliary vector entry on initial stack */
int a_type; /* Entry type. */
union {
int a_val; /* Integer value. */
} a_un;
} Elf32_Auxinfo;
typedef struct { /* Auxiliary vector entry on initial stack */
int a_type; /* Entry type. */
union {
long a_val; /* Integer value. */
void *a_ptr; /* Address. */
void (*a_fcn)(void); /* Function pointer (not used). */
} a_un;
} Elf64_Auxinfo;
__ElfType(Auxinfo);
/* Values for a_type. */
#define AT_NULL 0 /* Terminates the vector. */
#define AT_IGNORE 1 /* Ignored entry. */
#define AT_EXECFD 2 /* File descriptor of program to load. */
#define AT_PHDR 3 /* Program header of program already loaded. */
#define AT_PHENT 4 /* Size of each program header entry. */
#define AT_PHNUM 5 /* Number of program header entries. */
#define AT_PAGESZ 6 /* Page size in bytes. */
#define AT_BASE 7 /* Interpreter's base address. */
#define AT_FLAGS 8 /* Flags (unused for i386). */
#define AT_ENTRY 9 /* Where interpreter should transfer control. */
/*
* The following non-standard values are used for passing information
* from John Polstra's testbed program to the dynamic linker. These
* are expected to go away soon.
*
* Unfortunately, these overlap the Linux non-standard values, so they
* must not be used in the same context.
*/
#define AT_BRK 10 /* Starting point for sbrk and brk. */
#define AT_DEBUG 11 /* Debugging level. */
/*
* The following non-standard values are used in Linux ELF binaries.
*/
#define AT_NOTELF 10 /* Program is not ELF ?? */
#define AT_UID 11 /* Real uid. */
#define AT_EUID 12 /* Effective uid. */
#define AT_GID 13 /* Real gid. */
#define AT_EGID 14 /* Effective gid. */
#define AT_COUNT 15 /* Count of defined aux entry types. */
/*
* Values for e_flags.
*/
#define EF_IA_64_MASKOS 0x00ff000f
#define EF_IA_64_ABI64 0x00000010
#define EF_IA_64_REDUCEDFP 0x00000020
#define EF_IA_64_CONS_GP 0x00000040
#define EF_IA_64_NOFUNCDESC_CONS_GP 0x00000080
#define EF_IA_64_ABSOLUTE 0x00000100
#define EF_IA_64_ARCH 0xff000000
/*
* Segment types.
*/
#define PT_IA_64_ARCHEXT 0x70000000
#define PT_IA_64_UNWIND 0x70000001
/*
* Segment attributes.
*/
#define PF_IA_64_NORECOV 0x80000000
/*
* Section types.
*/
#define SHT_IA_64_EXT 0x70000000
#define SHT_IA_64_UNWIND 0x70000001
#define SHT_IA_64_LOPSREG 0x78000000
#define SHT_IA_64_HIPSREG 0x7fffffff
/*
* Section attribute flags.
*/
#define SHF_IA_64_SHORT 0x10000000
#define SHF_IA_64_NORECOV 0x20000000
/* Define "machine" characteristics */
#if __ELF_WORD_SIZE == 32
#define ELF_TARG_CLASS ELFCLASS32
#else
#define ELF_TARG_CLASS ELFCLASS64
#endif
#define ELF_TARG_DATA ELFDATA2LSB
#define ELF_TARG_MACH EM_IA_64
#define ELF_TARG_VER 1
/* Processor specific dynmamic section tags. */
#define DT_IA_64_PLT_RESERVE 0x70000000
#endif /* !_MACHINE_ELF_H_ */