bf543444cf
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.
159 lines
4.8 KiB
C
159 lines
4.8 KiB
C
/*-
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* Copyright (c) 1996-1997 John D. Polstra.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_ELF_H_
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#define _MACHINE_ELF_H_ 1
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/*
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* ELF definitions for the IA-64 architecture.
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*/
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#ifndef __ELF_WORD_SIZE
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#define __ELF_WORD_SIZE 64
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#endif
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#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
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#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
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#include <sys/elf_generic.h>
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#define ELF_ARCH EM_IA_64
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#define ELF_MACHINE_OK(x) ((x) == EM_IA_64)
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/*
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* Auxiliary vector entries for passing information to the interpreter.
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*
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* The i386 supplement to the SVR4 ABI specification names this "auxv_t",
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* but POSIX lays claim to all symbols ending with "_t".
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*/
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typedef struct { /* Auxiliary vector entry on initial stack */
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int a_type; /* Entry type. */
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union {
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int a_val; /* Integer value. */
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} a_un;
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} Elf32_Auxinfo;
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typedef struct { /* Auxiliary vector entry on initial stack */
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int a_type; /* Entry type. */
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union {
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long a_val; /* Integer value. */
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void *a_ptr; /* Address. */
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void (*a_fcn)(void); /* Function pointer (not used). */
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} a_un;
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} Elf64_Auxinfo;
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__ElfType(Auxinfo);
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/* Values for a_type. */
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#define AT_NULL 0 /* Terminates the vector. */
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#define AT_IGNORE 1 /* Ignored entry. */
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#define AT_EXECFD 2 /* File descriptor of program to load. */
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#define AT_PHDR 3 /* Program header of program already loaded. */
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#define AT_PHENT 4 /* Size of each program header entry. */
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#define AT_PHNUM 5 /* Number of program header entries. */
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#define AT_PAGESZ 6 /* Page size in bytes. */
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#define AT_BASE 7 /* Interpreter's base address. */
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#define AT_FLAGS 8 /* Flags (unused for i386). */
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#define AT_ENTRY 9 /* Where interpreter should transfer control. */
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/*
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* The following non-standard values are used for passing information
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* from John Polstra's testbed program to the dynamic linker. These
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* are expected to go away soon.
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*
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* Unfortunately, these overlap the Linux non-standard values, so they
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* must not be used in the same context.
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*/
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#define AT_BRK 10 /* Starting point for sbrk and brk. */
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#define AT_DEBUG 11 /* Debugging level. */
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/*
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* The following non-standard values are used in Linux ELF binaries.
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*/
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#define AT_NOTELF 10 /* Program is not ELF ?? */
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#define AT_UID 11 /* Real uid. */
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#define AT_EUID 12 /* Effective uid. */
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#define AT_GID 13 /* Real gid. */
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#define AT_EGID 14 /* Effective gid. */
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#define AT_COUNT 15 /* Count of defined aux entry types. */
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/*
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* Values for e_flags.
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*/
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#define EF_IA_64_MASKOS 0x00ff000f
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#define EF_IA_64_ABI64 0x00000010
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#define EF_IA_64_REDUCEDFP 0x00000020
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#define EF_IA_64_CONS_GP 0x00000040
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#define EF_IA_64_NOFUNCDESC_CONS_GP 0x00000080
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#define EF_IA_64_ABSOLUTE 0x00000100
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#define EF_IA_64_ARCH 0xff000000
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/*
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* Segment types.
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*/
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#define PT_IA_64_ARCHEXT 0x70000000
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#define PT_IA_64_UNWIND 0x70000001
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/*
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* Segment attributes.
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*/
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#define PF_IA_64_NORECOV 0x80000000
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/*
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* Section types.
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*/
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#define SHT_IA_64_EXT 0x70000000
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#define SHT_IA_64_UNWIND 0x70000001
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#define SHT_IA_64_LOPSREG 0x78000000
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#define SHT_IA_64_HIPSREG 0x7fffffff
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/*
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* Section attribute flags.
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*/
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#define SHF_IA_64_SHORT 0x10000000
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#define SHF_IA_64_NORECOV 0x20000000
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/* Define "machine" characteristics */
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#if __ELF_WORD_SIZE == 32
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#define ELF_TARG_CLASS ELFCLASS32
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#else
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#define ELF_TARG_CLASS ELFCLASS64
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#endif
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#define ELF_TARG_DATA ELFDATA2LSB
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#define ELF_TARG_MACH EM_IA_64
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#define ELF_TARG_VER 1
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/* Processor specific dynmamic section tags. */
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#define DT_IA_64_PLT_RESERVE 0x70000000
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#endif /* !_MACHINE_ELF_H_ */
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