52 lines
		
	
	
	
		
			2.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			52 lines
		
	
	
	
		
			2.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
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								/* FDPIC ELF load map
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								 *
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								 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
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								 * Written by David Howells (dhowells@redhat.com)
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								 *
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								 * This program is free software; you can redistribute it and/or
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								 * modify it under the terms of the GNU General Public License
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								 * as published by the Free Software Foundation; either version
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								 * 2 of the License, or (at your option) any later version.
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								 */
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								#ifndef _LINUX_ELF_FDPIC_H
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								#define _LINUX_ELF_FDPIC_H
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								#include <uapi/linux/elf-fdpic.h>
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								/*
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								 * binfmt binary parameters structure
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								 */
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								struct elf_fdpic_params {
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									struct elfhdr			hdr;		/* ref copy of ELF header */
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									struct elf_phdr			*phdrs;		/* ref copy of PT_PHDR table */
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									struct elf32_fdpic_loadmap	*loadmap;	/* loadmap to be passed to userspace */
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									unsigned long			elfhdr_addr;	/* mapped ELF header user address */
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									unsigned long			ph_addr;	/* mapped PT_PHDR user address */
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									unsigned long			map_addr;	/* mapped loadmap user address */
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									unsigned long			entry_addr;	/* mapped entry user address */
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									unsigned long			stack_size;	/* stack size requested (PT_GNU_STACK) */
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									unsigned long			dynamic_addr;	/* mapped PT_DYNAMIC user address */
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									unsigned long			load_addr;	/* user address at which to map binary */
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									unsigned long			flags;
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								#define ELF_FDPIC_FLAG_ARRANGEMENT	0x0000000f	/* PT_LOAD arrangement flags */
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								#define ELF_FDPIC_FLAG_INDEPENDENT	0x00000000	/* PT_LOADs can be put anywhere */
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								#define ELF_FDPIC_FLAG_HONOURVADDR	0x00000001	/* PT_LOAD.vaddr must be honoured */
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								#define ELF_FDPIC_FLAG_CONSTDISP	0x00000002	/* PT_LOADs require constant
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															 * displacement */
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								#define ELF_FDPIC_FLAG_CONTIGUOUS	0x00000003	/* PT_LOADs should be contiguous */
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								#define ELF_FDPIC_FLAG_EXEC_STACK	0x00000010	/* T if stack to be executable */
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								#define ELF_FDPIC_FLAG_NOEXEC_STACK	0x00000020	/* T if stack not to be executable */
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								#define ELF_FDPIC_FLAG_EXECUTABLE	0x00000040	/* T if this object is the executable */
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								#define ELF_FDPIC_FLAG_PRESENT		0x80000000	/* T if this object is present */
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								};
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								#ifdef CONFIG_MMU
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								extern void elf_fdpic_arch_lay_out_mm(struct elf_fdpic_params *exec_params,
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												      struct elf_fdpic_params *interp_params,
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												      unsigned long *start_stack,
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												      unsigned long *start_brk);
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								#endif
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								#endif /* _LINUX_ELF_FDPIC_H */
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