Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
elf-fdpic.h
Go to the documentation of this file.
1 /* FDPIC ELF load map
2  *
3  * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
4  * Written by David Howells ([email protected])
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version
9  * 2 of the License, or (at your option) any later version.
10  */
11 
12 #ifndef _LINUX_ELF_FDPIC_H
13 #define _LINUX_ELF_FDPIC_H
14 
15 #include <uapi/linux/elf-fdpic.h>
16 
17 /*
18  * binfmt binary parameters structure
19  */
21  struct elfhdr hdr; /* ref copy of ELF header */
22  struct elf_phdr *phdrs; /* ref copy of PT_PHDR table */
23  struct elf32_fdpic_loadmap *loadmap; /* loadmap to be passed to userspace */
24  unsigned long elfhdr_addr; /* mapped ELF header user address */
25  unsigned long ph_addr; /* mapped PT_PHDR user address */
26  unsigned long map_addr; /* mapped loadmap user address */
27  unsigned long entry_addr; /* mapped entry user address */
28  unsigned long stack_size; /* stack size requested (PT_GNU_STACK) */
29  unsigned long dynamic_addr; /* mapped PT_DYNAMIC user address */
30  unsigned long load_addr; /* user address at which to map binary */
31  unsigned long flags;
32 #define ELF_FDPIC_FLAG_ARRANGEMENT 0x0000000f /* PT_LOAD arrangement flags */
33 #define ELF_FDPIC_FLAG_INDEPENDENT 0x00000000 /* PT_LOADs can be put anywhere */
34 #define ELF_FDPIC_FLAG_HONOURVADDR 0x00000001 /* PT_LOAD.vaddr must be honoured */
35 #define ELF_FDPIC_FLAG_CONSTDISP 0x00000002 /* PT_LOADs require constant
36  * displacement */
37 #define ELF_FDPIC_FLAG_CONTIGUOUS 0x00000003 /* PT_LOADs should be contiguous */
38 #define ELF_FDPIC_FLAG_EXEC_STACK 0x00000010 /* T if stack to be executable */
39 #define ELF_FDPIC_FLAG_NOEXEC_STACK 0x00000020 /* T if stack not to be executable */
40 #define ELF_FDPIC_FLAG_EXECUTABLE 0x00000040 /* T if this object is the executable */
41 #define ELF_FDPIC_FLAG_PRESENT 0x80000000 /* T if this object is present */
42 };
43 
44 #ifdef CONFIG_MMU
45 extern void elf_fdpic_arch_lay_out_mm(struct elf_fdpic_params *exec_params,
46  struct elf_fdpic_params *interp_params,
47  unsigned long *start_stack,
48  unsigned long *start_brk);
49 #endif
50 
51 #endif /* _LINUX_ELF_FDPIC_H */