mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 01:31:44 +00:00
a76f3a417a
Signed-off-by: Pavel Kiryukhin <vksavl@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
120 lines
2.6 KiB
C
120 lines
2.6 KiB
C
#ifndef __ASM_COMPAT_SIGNAL_H
|
|
#define __ASM_COMPAT_SIGNAL_H
|
|
|
|
#include <linux/bug.h>
|
|
#include <linux/compat.h>
|
|
#include <linux/compiler.h>
|
|
|
|
#include <asm/signal.h>
|
|
#include <asm/siginfo.h>
|
|
|
|
#include <asm/uaccess.h>
|
|
|
|
#define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3)
|
|
|
|
typedef struct compat_siginfo {
|
|
int si_signo;
|
|
int si_code;
|
|
int si_errno;
|
|
|
|
union {
|
|
int _pad[SI_PAD_SIZE32];
|
|
|
|
/* kill() */
|
|
struct {
|
|
compat_pid_t _pid; /* sender's pid */
|
|
compat_uid_t _uid; /* sender's uid */
|
|
} _kill;
|
|
|
|
/* SIGCHLD */
|
|
struct {
|
|
compat_pid_t _pid; /* which child */
|
|
compat_uid_t _uid; /* sender's uid */
|
|
int _status; /* exit code */
|
|
compat_clock_t _utime;
|
|
compat_clock_t _stime;
|
|
} _sigchld;
|
|
|
|
/* IRIX SIGCHLD */
|
|
struct {
|
|
compat_pid_t _pid; /* which child */
|
|
compat_clock_t _utime;
|
|
int _status; /* exit code */
|
|
compat_clock_t _stime;
|
|
} _irix_sigchld;
|
|
|
|
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
|
|
struct {
|
|
s32 _addr; /* faulting insn/memory ref. */
|
|
} _sigfault;
|
|
|
|
/* SIGPOLL, SIGXFSZ (To do ...) */
|
|
struct {
|
|
int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
|
|
int _fd;
|
|
} _sigpoll;
|
|
|
|
/* POSIX.1b timers */
|
|
struct {
|
|
timer_t _tid; /* timer id */
|
|
int _overrun; /* overrun count */
|
|
compat_sigval_t _sigval;/* same as below */
|
|
int _sys_private; /* not to be passed to user */
|
|
} _timer;
|
|
|
|
/* POSIX.1b signals */
|
|
struct {
|
|
compat_pid_t _pid; /* sender's pid */
|
|
compat_uid_t _uid; /* sender's uid */
|
|
compat_sigval_t _sigval;
|
|
} _rt;
|
|
|
|
} _sifields;
|
|
} compat_siginfo_t;
|
|
|
|
static inline int __copy_conv_sigset_to_user(compat_sigset_t __user *d,
|
|
const sigset_t *s)
|
|
{
|
|
int err;
|
|
|
|
BUG_ON(sizeof(*d) != sizeof(*s));
|
|
BUG_ON(_NSIG_WORDS != 2);
|
|
|
|
err = __put_user(s->sig[0], &d->sig[0]);
|
|
err |= __put_user(s->sig[0] >> 32, &d->sig[1]);
|
|
err |= __put_user(s->sig[1], &d->sig[2]);
|
|
err |= __put_user(s->sig[1] >> 32, &d->sig[3]);
|
|
|
|
return err;
|
|
}
|
|
|
|
static inline int __copy_conv_sigset_from_user(sigset_t *d,
|
|
const compat_sigset_t __user *s)
|
|
{
|
|
int err;
|
|
union sigset_u {
|
|
sigset_t s;
|
|
compat_sigset_t c;
|
|
} *u = (union sigset_u *) d;
|
|
|
|
BUG_ON(sizeof(*d) != sizeof(*s));
|
|
BUG_ON(_NSIG_WORDS != 2);
|
|
|
|
#ifdef CONFIG_CPU_BIG_ENDIAN
|
|
err = __get_user(u->c.sig[1], &s->sig[0]);
|
|
err |= __get_user(u->c.sig[0], &s->sig[1]);
|
|
err |= __get_user(u->c.sig[3], &s->sig[2]);
|
|
err |= __get_user(u->c.sig[2], &s->sig[3]);
|
|
#endif
|
|
#ifdef CONFIG_CPU_LITTLE_ENDIAN
|
|
err = __get_user(u->c.sig[0], &s->sig[0]);
|
|
err |= __get_user(u->c.sig[1], &s->sig[1]);
|
|
err |= __get_user(u->c.sig[2], &s->sig[2]);
|
|
err |= __get_user(u->c.sig[3], &s->sig[3]);
|
|
#endif
|
|
|
|
return err;
|
|
}
|
|
|
|
#endif /* __ASM_COMPAT_SIGNAL_H */
|