xref: /aosp_15_r20/external/kernel-headers/original/uapi/linux/elf-fdpic.h (revision f80ad8b4341604f5951dab671d41019a6d7087ce)

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/* elf-fdpic.h: FDPIC ELF load map
 *
 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#ifndef _UAPI_LINUX_ELF_FDPIC_H
#define _UAPI_LINUX_ELF_FDPIC_H

#include <linux/elf.h>

#define PT_GNU_STACK    (PT_LOOS + 0x474e551)

/* segment mappings for ELF FDPIC libraries/executables/interpreters */
struct elf32_fdpic_loadseg {
	Elf32_Addr	addr;		/* core address to which mapped */
	Elf32_Addr	p_vaddr;	/* VMA recorded in file */
	Elf32_Word	p_memsz;	/* allocation size recorded in file */
};

struct elf32_fdpic_loadmap {
	Elf32_Half	version;	/* version of these structures, just in case... */
	Elf32_Half	nsegs;		/* number of segments */
	struct elf32_fdpic_loadseg segs[];
};

#define ELF32_FDPIC_LOADMAP_VERSION	0x0000

/* segment mappings for ELF FDPIC libraries/executables/interpreters */
struct elf64_fdpic_loadseg {
	Elf64_Addr	addr;		/* core address to which mapped */
	Elf64_Addr	p_vaddr;	/* VMA recorded in file */
	Elf64_Word	p_memsz;	/* allocation size recorded in file */
};

struct elf64_fdpic_loadmap {
	Elf64_Half	version;	/* version of these structures, just in case... */
	Elf64_Half	nsegs;		/* number of segments */
	struct elf64_fdpic_loadseg segs[];
};

#define ELF64_FDPIC_LOADMAP_VERSION	0x0000

#endif /* _UAPI_LINUX_ELF_FDPIC_H */