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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /* FDPIC ELF load map
- *
- * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells ([email protected])
- */
- #ifndef _LINUX_ELF_FDPIC_H
- #define _LINUX_ELF_FDPIC_H
- #include <uapi/linux/elf-fdpic.h>
- /*
- * binfmt binary parameters structure
- */
- struct elf_fdpic_params {
- struct elfhdr hdr; /* ref copy of ELF header */
- struct elf_phdr *phdrs; /* ref copy of PT_PHDR table */
- struct elf32_fdpic_loadmap *loadmap; /* loadmap to be passed to userspace */
- unsigned long elfhdr_addr; /* mapped ELF header user address */
- unsigned long ph_addr; /* mapped PT_PHDR user address */
- unsigned long map_addr; /* mapped loadmap user address */
- unsigned long entry_addr; /* mapped entry user address */
- unsigned long stack_size; /* stack size requested (PT_GNU_STACK) */
- unsigned long dynamic_addr; /* mapped PT_DYNAMIC user address */
- unsigned long load_addr; /* user address at which to map binary */
- unsigned long flags;
- #define ELF_FDPIC_FLAG_ARRANGEMENT 0x0000000f /* PT_LOAD arrangement flags */
- #define ELF_FDPIC_FLAG_INDEPENDENT 0x00000000 /* PT_LOADs can be put anywhere */
- #define ELF_FDPIC_FLAG_HONOURVADDR 0x00000001 /* PT_LOAD.vaddr must be honoured */
- #define ELF_FDPIC_FLAG_CONSTDISP 0x00000002 /* PT_LOADs require constant
- * displacement */
- #define ELF_FDPIC_FLAG_CONTIGUOUS 0x00000003 /* PT_LOADs should be contiguous */
- #define ELF_FDPIC_FLAG_EXEC_STACK 0x00000010 /* T if stack to be executable */
- #define ELF_FDPIC_FLAG_NOEXEC_STACK 0x00000020 /* T if stack not to be executable */
- #define ELF_FDPIC_FLAG_EXECUTABLE 0x00000040 /* T if this object is the executable */
- #define ELF_FDPIC_FLAG_PRESENT 0x80000000 /* T if this object is present */
- };
- #ifdef CONFIG_MMU
- extern void elf_fdpic_arch_lay_out_mm(struct elf_fdpic_params *exec_params,
- struct elf_fdpic_params *interp_params,
- unsigned long *start_stack,
- unsigned long *start_brk);
- #endif
- #endif /* _LINUX_ELF_FDPIC_H */
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