libc/kernel/common/linux/personality.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _LINUX_PERSONALITY_H
#define _LINUX_PERSONALITY_H

struct exec_domain;
struct pt_regs;

enum {
 ADDR_NO_RANDOMIZE = 0x0040000,
 FDPIC_FUNCPTRS = 0x0080000,
 MMAP_PAGE_ZERO = 0x0100000,
 ADDR_COMPAT_LAYOUT = 0x0200000,
 READ_IMPLIES_EXEC = 0x0400000,
 ADDR_LIMIT_32BIT = 0x0800000,
 SHORT_INODE = 0x1000000,
 WHOLE_SECONDS = 0x2000000,
 STICKY_TIMEOUTS = 0x4000000,
 ADDR_LIMIT_3GB = 0x8000000,
};

#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC|ADDR_NO_RANDOMIZE)

enum {
 PER_LINUX = 0x0000,
 PER_LINUX_32BIT = 0x0000 | ADDR_LIMIT_32BIT,
 PER_LINUX_FDPIC = 0x0000 | FDPIC_FUNCPTRS,
 PER_SVR4 = 0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
 PER_SVR3 = 0x0002 | STICKY_TIMEOUTS | SHORT_INODE,
 PER_SCOSVR3 = 0x0003 | STICKY_TIMEOUTS |
 WHOLE_SECONDS | SHORT_INODE,
 PER_OSR5 = 0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,
 PER_WYSEV386 = 0x0004 | STICKY_TIMEOUTS | SHORT_INODE,
 PER_ISCR4 = 0x0005 | STICKY_TIMEOUTS,
 PER_BSD = 0x0006,
 PER_SUNOS = 0x0006 | STICKY_TIMEOUTS,
 PER_XENIX = 0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
 PER_LINUX32 = 0x0008,
 PER_LINUX32_3GB = 0x0008 | ADDR_LIMIT_3GB,
 PER_IRIX32 = 0x0009 | STICKY_TIMEOUTS,
 PER_IRIXN32 = 0x000a | STICKY_TIMEOUTS,
 PER_IRIX64 = 0x000b | STICKY_TIMEOUTS,
 PER_RISCOS = 0x000c,
 PER_SOLARIS = 0x000d | STICKY_TIMEOUTS,
 PER_UW7 = 0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
 PER_OSF4 = 0x000f,
 PER_HPUX = 0x0010,
 PER_MASK = 0x00ff,
};

typedef void (*handler_t)(int, struct pt_regs *);

struct exec_domain {
 const char *name;
 handler_t handler;
 unsigned char pers_low;
 unsigned char pers_high;
 unsigned long *signal_map;
 unsigned long *signal_invmap;
 struct map_segment *err_map;
 struct map_segment *socktype_map;
 struct map_segment *sockopt_map;
 struct map_segment *af_map;
 struct module *module;
 struct exec_domain *next;
};

#define personality(pers) (pers & PER_MASK)

#define get_personality (current->personality)

#define set_personality(pers)   ((current->personality == pers) ? 0 : __set_personality(pers))

#endif