cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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elf-fdpic.h (2030B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/* FDPIC ELF load map
      3 *
      4 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
      5 * Written by David Howells (dhowells@redhat.com)
      6 */
      7
      8#ifndef _LINUX_ELF_FDPIC_H
      9#define _LINUX_ELF_FDPIC_H
     10
     11#include <uapi/linux/elf-fdpic.h>
     12
     13/*
     14 * binfmt binary parameters structure
     15 */
     16struct elf_fdpic_params {
     17	struct elfhdr			hdr;		/* ref copy of ELF header */
     18	struct elf_phdr			*phdrs;		/* ref copy of PT_PHDR table */
     19	struct elf32_fdpic_loadmap	*loadmap;	/* loadmap to be passed to userspace */
     20	unsigned long			elfhdr_addr;	/* mapped ELF header user address */
     21	unsigned long			ph_addr;	/* mapped PT_PHDR user address */
     22	unsigned long			map_addr;	/* mapped loadmap user address */
     23	unsigned long			entry_addr;	/* mapped entry user address */
     24	unsigned long			stack_size;	/* stack size requested (PT_GNU_STACK) */
     25	unsigned long			dynamic_addr;	/* mapped PT_DYNAMIC user address */
     26	unsigned long			load_addr;	/* user address at which to map binary */
     27	unsigned long			flags;
     28#define ELF_FDPIC_FLAG_ARRANGEMENT	0x0000000f	/* PT_LOAD arrangement flags */
     29#define ELF_FDPIC_FLAG_INDEPENDENT	0x00000000	/* PT_LOADs can be put anywhere */
     30#define ELF_FDPIC_FLAG_HONOURVADDR	0x00000001	/* PT_LOAD.vaddr must be honoured */
     31#define ELF_FDPIC_FLAG_CONSTDISP	0x00000002	/* PT_LOADs require constant
     32							 * displacement */
     33#define ELF_FDPIC_FLAG_CONTIGUOUS	0x00000003	/* PT_LOADs should be contiguous */
     34#define ELF_FDPIC_FLAG_EXEC_STACK	0x00000010	/* T if stack to be executable */
     35#define ELF_FDPIC_FLAG_NOEXEC_STACK	0x00000020	/* T if stack not to be executable */
     36#define ELF_FDPIC_FLAG_EXECUTABLE	0x00000040	/* T if this object is the executable */
     37#define ELF_FDPIC_FLAG_PRESENT		0x80000000	/* T if this object is present */
     38};
     39
     40#ifdef CONFIG_MMU
     41extern void elf_fdpic_arch_lay_out_mm(struct elf_fdpic_params *exec_params,
     42				      struct elf_fdpic_params *interp_params,
     43				      unsigned long *start_stack,
     44				      unsigned long *start_brk);
     45#endif
     46
     47#endif /* _LINUX_ELF_FDPIC_H */