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https://github.com/freebsd/freebsd-src
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147 lines
4.4 KiB
C
147 lines
4.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2001 David E. O'Brien
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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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#ifndef _MACHINE_ELF_H_
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#define _MACHINE_ELF_H_ 1
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/*
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* EABI ELF definitions for the PowerPC architecture.
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* See "PowerPC Embedded Application Binary Interface, 32-Bit Impliementation"
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* [ppc-eabi-1995-01.pdf] for details.
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*/
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#ifndef __ELF_WORD_SIZE
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#ifdef __powerpc64__
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#define __ELF_WORD_SIZE 64 /* Used by <sys/elf_generic.h> */
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#else
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#define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */
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#endif
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#endif
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#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
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#include <sys/elf64.h> /* Definitions common to all 64 bit architectures. */
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#include <sys/elf_generic.h>
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#if __ELF_WORD_SIZE == 64
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#define ELF_ARCH EM_PPC64
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#define ELF_MACHINE_OK(x) ((x) == EM_PPC64)
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#else
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#define ELF_ARCH EM_PPC
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#define ELF_ARCH32 EM_PPC
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#define ELF_MACHINE_OK(x) ((x) == EM_PPC)
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#endif
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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 PowerPC 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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#ifdef __powerpc64__
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int a_val; /* Integer value */
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#else
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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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#endif
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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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long 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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/*
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* Relocation types.
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*/
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#define R_PPC_COUNT 37 /* Count of defined relocation types. */
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/* Count of defined relocation types. */
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#define R_PPC_EMB_COUNT (R_PPC_EMB_RELSDA - R_PPC_EMB_NADDR32 + 1)
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/* Define "machine" characteristics */
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#if BYTE_ORDER == LITTLE_ENDIAN
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#define ELF_TARG_DATA ELFDATA2LSB
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#else
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#define ELF_TARG_DATA ELFDATA2MSB
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#endif
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#if __ELF_WORD_SIZE == 64
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#define ELF_TARG_CLASS ELFCLASS64
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#define ELF_TARG_MACH EM_PPC64
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#define ELF_TARG_VER 1
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#else
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#define ELF_TARG_CLASS ELFCLASS32
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#define ELF_TARG_MACH EM_PPC
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#define ELF_TARG_VER 1
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#endif
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#define ET_DYN_LOAD_ADDR 0x01010000
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#define AT_OLD_NULL AT_NULL
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#define AT_OLD_IGNORE AT_IGNORE
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#define AT_OLD_EXECFD AT_EXECFD
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#define AT_OLD_PHDR AT_PHDR
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#define AT_OLD_PHENT AT_PHENT
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#define AT_OLD_PHNUM AT_PHNUM
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#define AT_OLD_PAGESZ AT_PAGESZ
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#define AT_OLD_BASE AT_BASE
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#define AT_OLD_FLAGS AT_FLAGS
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#define AT_OLD_ENTRY AT_ENTRY
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#define AT_OLD_NOTELF AT_NOTELF
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#define AT_OLD_UID AT_UID
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#define AT_OLD_EUID AT_EUID
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#define AT_OLD_EXECPATH 13
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#define AT_OLD_CANARY 14
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#define AT_OLD_CANARYLEN 15
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#define AT_OLD_OSRELDATE 16
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#define AT_OLD_NCPUS 17
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#define AT_OLD_PAGESIZES 18
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#define AT_OLD_PAGESIZESLEN 19
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#define AT_OLD_STACKPROT 21
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#define AT_OLD_TIMEKEEP AT_TIMEKEEP
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#define AT_OLD_EHDRFLAGS AT_EHDRFLAGS
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#define AT_OLD_HWCAP AT_HWCAP
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#define AT_OLD_HWCAP2 AT_HWCAP2
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#define AT_OLD_COUNT 27 /* Count of defined aux entry types. */
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#endif /* !_MACHINE_ELF_H_ */
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