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107 lines
3.6 KiB
C
107 lines
3.6 KiB
C
/*-
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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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* $FreeBSD$
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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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* EABI ELF definitions for the StrongARM architecture.
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* See "ARM ELF", document no. `SWS ESPC 0003 A-08' for details.
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*/
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#include <sys/elf32.h> /* Definitions common to all 32 bit architectures. */
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#define __ELF_WORD_SIZE 32 /* Used by <sys/elf_generic.h> */
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#include <sys/elf_generic.h>
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#define ELF_ARCH EM_ARM
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#define ELF_MACHINE_OK(x) ((x) == EM_ARM)
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/*
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* Relocation types.
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*/
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#define R_ARM_NONE 0 /* No relocation. */
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#define R_ARM_PC24 1
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#define R_ARM_ABS32 2
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#define R_ARM_REL32 3
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#define R_ARM_PC13 4
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#define R_ARM_ABS16 5
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#define R_ARM_ABS12 6
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#define R_ARM_THM_ABS5 7
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#define R_ARM_ABS8 8
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#define R_ARM_SBREL32 9
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#define R_ARM_THM_PC22 10
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#define R_ARM_THM_PC8 11
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#define R_ARM_AMP_VCALL9 12
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#define R_ARM_SWI24 13
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#define R_ARM_THM_SWI8 14
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#define R_ARM_XPC25 15
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#define R_ARM_THM_XPC22 16
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#define R_ARM_COPY 20 /* Copy data from shared object. */
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#define R_ARM_GLOB_DAT 21 /* Set GOT entry to data address. */
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#define R_ARM_JUMP_SLOT 22 /* Set GOT entry to code address. */
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#define R_ARM_RELATIVE 23 /* Add load address of shared object. */
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#define R_ARM_GOTOFF 24 /* Add GOT-relative symbol address. *
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#define R_ARM_GOTPC 25 /* Add PC-relative GOT table address. */
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#define R_ARM_GOT32 26 /* Add PC-relative GOT offset. */
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#define R_ARM_PLT32 27 /* Add PC-relative PLT offset. */
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#define R_ARM_GNU_VTENTRY 100
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#define R_ARM_GNU_VTINHERIT 101
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#define R_ARM_RSBREL32 250
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#define R_ARM_THM_RPC22 251
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#define R_ARM_RREL32 252
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#define R_ARM_RABS32 253
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#define R_ARM_RPC24 254
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#define R_ARM_RBASE 255
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#define R_ARM_COUNT 33 /* Count of defined relocation types. */
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/* Define "machine" characteristics */
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#define ELF_TARG_CLASS ELFCLASS32
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#define ELF_TARG_DATA ELFDATA2LSB
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#define ELF_TARG_MACH EM_ARM
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#define ELF_TARG_VER 1
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#ifdef _KERNEL
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/*
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* On the StrongARM we load the dynamic linker where a userland call
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* to mmap(0, ...) would put it. The rationale behind this
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* calculation is that it leaves room for the heap to grow to
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* its maximum allowed size.
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*/
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#define ELF_RTLD_ADDR(vmspace) \
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(round_page((vm_offset_t)(vmspace)->vm_daddr + MAXDSIZ))
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#endif /* _KERNEL */
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#endif /* !_MACHINE_ELF_H_ */
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