return 0;
}
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- int err;
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(*to)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- * this code is fixed accordingly.
- * It should never copy any pad contained in the structure
- * to avoid security leaks, but must copy the generic
- * 3 ints plus the relevant union member.
- * This routine must convert siginfo from 64bit to 32bit as well
- * at the same time.
- */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad,
- SI_PAD_SIZE);
- else switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_FAULT:
- err |= __put_user((compat_uptr_t)(unsigned long)from->si_addr,
- &to->si_addr);
-#ifdef BUS_MCEERR_AO
- /*
- * Other callers might not initialize the si_lsb field,
- * so check explicitly for the right codes here.
- */
- if (from->si_signo == SIGBUS &&
- (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO))
- err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb);
-#endif
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_status, &to->si_status);
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- break;
- case SIL_RT:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_SYS:
- err |= __put_user((compat_uptr_t)(unsigned long)
- from->si_call_addr, &to->si_call_addr);
- err |= __put_user(from->si_syscall, &to->si_syscall);
- err |= __put_user(from->si_arch, &to->si_arch);
- break;
- }
- return err;
-}
-
/*
* VFP save/restore code.
*
typedef u32 compat_sigset_word;
-#define SI_PAD_SIZE32 (128/sizeof(int) - 3)
-
#define COMPAT_OFF_T_MAX 0x7fffffff
/*
return ret;
}
-
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- int err;
-
- if (!access_ok (VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_FAULT:
- err |= __put_user((unsigned long)from->si_addr, &to->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_RT:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_SYS:
- err |= __copy_to_user(&to->si_call_addr, &from->si_call_addr,
- sizeof(compat_uptr_t));
- err |= __put_user(from->si_syscall, &to->si_syscall);
- err |= __put_user(from->si_arch, &to->si_arch);
- break;
- }
- }
- return err;
-}
return err;
}
-
-int
-copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from)
-{
- compat_uptr_t addr;
- compat_int_t val;
- int err;
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_CHLD:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_FAULT:
- addr = ptr_to_compat(from->si_addr);
- err |= __put_user(addr, &to->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- val = (compat_int_t)from->si_int;
- err |= __put_user(val, &to->si_int);
- break;
- case SIL_RT:
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_pid, &to->si_pid);
- val = (compat_int_t)from->si_int;
- err |= __put_user(val, &to->si_int);
- break;
- case SIL_SYS:
- err |= __put_user(ptr_to_compat(from->si_call_addr), &to->si_call_addr);
- err |= __put_user(from->si_syscall, &to->si_syscall);
- err |= __put_user(from->si_arch, &to->si_arch);
- break;
- }
- }
- return err;
-}
/* ELF32 signal handling */
-int copy_siginfo_to_user32 (compat_siginfo_t __user *to, const siginfo_t *from);
-
/* In a deft move of uber-hackery, we decide to carry the top half of all
* 64-bit registers in a non-portable, non-ABI, hidden structure.
* Userspace can read the hidden structure if it *wants* but is never
typedef u32 compat_sigset_word;
-#define SI_PAD_SIZE32 (128/sizeof(int) - 3)
-
#define COMPAT_OFF_T_MAX 0x7fffffff
/*
#endif
#ifdef CONFIG_PPC64
-int copy_siginfo_to_user32(struct compat_siginfo __user *d, const siginfo_t *s)
-{
- int err;
-
- if (!access_ok (VERIFY_WRITE, d, sizeof(*d)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- * this code is fixed accordingly.
- * It should never copy any pad contained in the structure
- * to avoid security leaks, but must copy the generic
- * 3 ints plus the relevant union member.
- * This routine must convert siginfo from 64bit to 32bit as well
- * at the same time.
- */
- err = __put_user(s->si_signo, &d->si_signo);
- err |= __put_user(s->si_errno, &d->si_errno);
- err |= __put_user(s->si_code, &d->si_code);
- if (s->si_code < 0)
- err |= __copy_to_user(&d->_sifields._pad, &s->_sifields._pad,
- SI_PAD_SIZE32);
- else switch(siginfo_layout(s->si_signo, s->si_code)) {
- case SIL_CHLD:
- err |= __put_user(s->si_pid, &d->si_pid);
- err |= __put_user(s->si_uid, &d->si_uid);
- err |= __put_user(s->si_utime, &d->si_utime);
- err |= __put_user(s->si_stime, &d->si_stime);
- err |= __put_user(s->si_status, &d->si_status);
- break;
- case SIL_FAULT:
- err |= __put_user((unsigned int)(unsigned long)s->si_addr,
- &d->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(s->si_band, &d->si_band);
- err |= __put_user(s->si_fd, &d->si_fd);
- break;
- case SIL_TIMER:
- err |= __put_user(s->si_tid, &d->si_tid);
- err |= __put_user(s->si_overrun, &d->si_overrun);
- err |= __put_user(s->si_int, &d->si_int);
- break;
- case SIL_SYS:
- err |= __put_user(ptr_to_compat(s->si_call_addr), &d->si_call_addr);
- err |= __put_user(s->si_syscall, &d->si_syscall);
- err |= __put_user(s->si_arch, &d->si_arch);
- break;
- case SIL_RT:
- err |= __put_user(s->si_int, &d->si_int);
- /* fallthrough */
- case SIL_KILL:
- err |= __put_user(s->si_pid, &d->si_pid);
- err |= __put_user(s->si_uid, &d->si_uid);
- break;
- }
- return err;
-}
#define copy_siginfo_to_user copy_siginfo_to_user32
struct ucontext32 uc;
} rt_sigframe32;
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- int err;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_RT:
- err |= __put_user(from->si_int, &to->si_int);
- /* fallthrough */
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- break;
- case SIL_FAULT:
- err |= __put_user((unsigned long) from->si_addr,
- &to->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- default:
- break;
- }
- }
- return err ? -EFAULT : 0;
-}
-
/* Store registers needed to create the signal frame */
static void store_sigregs(void)
{
typedef u32 compat_sigset_word;
-#define SI_PAD_SIZE32 (128/sizeof(int) - 3)
-
#define COMPAT_OFF_T_MAX 0x7fffffff
/*
/* __siginfo_rwin_t * */u32 rwin_save;
} __attribute__((aligned(8)));
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- int err;
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please be sure
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member.
- This routine must convert siginfo from 64bit to 32bit as well
- at the same time. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
- if (from->si_code < 0)
- err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
- else {
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_TIMER:
- err |= __put_user(from->si_tid, &to->si_tid);
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- default:
- case SIL_KILL:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_FAULT:
- err |= __put_user(from->si_trapno, &to->si_trapno);
- err |= __put_user((unsigned long)from->si_addr, &to->si_addr);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_band, &to->si_band);
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_RT:
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- }
- }
- return err;
-}
-
/* Checks if the fp is valid. We always build signal frames which are
* 16-byte aligned, therefore we can always enforce that the restore
* frame has that property as well.
typedef u32 compat_sigset_word;
-#define COMPAT_SI_PAD_SIZE (128/sizeof(int) - 3)
-
#define COMPAT_OFF_T_MAX 0x7fffffff
struct compat_ipc64_perm {
struct compat_ucontext uc;
};
-int copy_siginfo_to_user32(struct compat_siginfo __user *to, const siginfo_t *from)
-{
- int err;
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(struct compat_siginfo)))
- return -EFAULT;
-
- /* If you change siginfo_t structure, please make sure that
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member. */
- err = __put_user(from->si_signo, &to->si_signo);
- err |= __put_user(from->si_errno, &to->si_errno);
- err |= __put_user(from->si_code, &to->si_code);
-
- if (from->si_code < 0) {
- err |= __put_user(from->si_pid, &to->si_pid);
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- } else {
- /*
- * First 32bits of unions are always present:
- * si_pid === si_band === si_tid === si_addr(LS half)
- */
- err |= __put_user(from->_sifields._pad[0],
- &to->_sifields._pad[0]);
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_FAULT:
- break;
- case SIL_CHLD:
- err |= __put_user(from->si_utime, &to->si_utime);
- err |= __put_user(from->si_stime, &to->si_stime);
- err |= __put_user(from->si_status, &to->si_status);
- /* FALL THROUGH */
- default:
- case SIL_KILL:
- err |= __put_user(from->si_uid, &to->si_uid);
- break;
- case SIL_POLL:
- err |= __put_user(from->si_fd, &to->si_fd);
- break;
- case SIL_TIMER:
- err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- case SIL_RT:
- err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(from->si_int, &to->si_int);
- break;
- }
- }
- return err;
-}
-
/* The assembly shim for this function arranges to ignore the return value. */
long compat_sys_rt_sigreturn(void)
{
}
#define in_compat_syscall in_compat_syscall /* override the generic impl */
+struct compat_siginfo;
+int __copy_siginfo_to_user32(struct compat_siginfo __user *to,
+ const siginfo_t *from, bool x32_ABI);
+
#endif /* _ASM_X86_COMPAT_H */
# define ia32_setup_rt_frame __setup_rt_frame
#endif
-#ifdef CONFIG_COMPAT
-int __copy_siginfo_to_user32(compat_siginfo_t __user *to,
- const siginfo_t *from, bool x32_ABI);
-#endif
-
-
extern void convert_from_fxsr(struct user_i387_ia32_struct *env,
struct task_struct *tsk);
extern void convert_to_fxsr(struct task_struct *tsk,
void sigaction_compat_abi(struct k_sigaction *act, struct k_sigaction *oact)
{
+ signal_compat_build_tests();
+
/* Don't leak in-kernel non-uapi flags to user-space */
if (oact)
oact->sa.sa_flags &= ~(SA_IA32_ABI | SA_X32_ABI);
if (in_x32_syscall())
act->sa.sa_flags |= SA_X32_ABI;
}
-
-int __copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from,
- bool x32_ABI)
-{
- int err = 0;
-
- signal_compat_build_tests();
-
- if (!access_ok(VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
- return -EFAULT;
-
- put_user_try {
- /* If you change siginfo_t structure, please make sure that
- this code is fixed accordingly.
- It should never copy any pad contained in the structure
- to avoid security leaks, but must copy the generic
- 3 ints plus the relevant union member. */
- put_user_ex(from->si_signo, &to->si_signo);
- put_user_ex(from->si_errno, &to->si_errno);
- put_user_ex(from->si_code, &to->si_code);
-
- if (from->si_code < 0) {
- put_user_ex(from->si_pid, &to->si_pid);
- put_user_ex(from->si_uid, &to->si_uid);
- put_user_ex(ptr_to_compat(from->si_ptr), &to->si_ptr);
- } else {
- /*
- * First 32bits of unions are always present:
- * si_pid === si_band === si_tid === si_addr(LS half)
- */
- put_user_ex(from->_sifields._pad[0],
- &to->_sifields._pad[0]);
- switch (siginfo_layout(from->si_signo, from->si_code)) {
- case SIL_FAULT:
- if (from->si_signo == SIGBUS &&
- (from->si_code == BUS_MCEERR_AR ||
- from->si_code == BUS_MCEERR_AO))
- put_user_ex(from->si_addr_lsb, &to->si_addr_lsb);
-
- if (from->si_signo == SIGSEGV) {
- if (from->si_code == SEGV_BNDERR) {
- compat_uptr_t lower = (unsigned long)from->si_lower;
- compat_uptr_t upper = (unsigned long)from->si_upper;
- put_user_ex(lower, &to->si_lower);
- put_user_ex(upper, &to->si_upper);
- }
- if (from->si_code == SEGV_PKUERR)
- put_user_ex(from->si_pkey, &to->si_pkey);
- }
- break;
- case SIL_SYS:
- put_user_ex(from->si_syscall, &to->si_syscall);
- put_user_ex(from->si_arch, &to->si_arch);
- break;
- case SIL_CHLD:
- if (!x32_ABI) {
- put_user_ex(from->si_utime, &to->si_utime);
- put_user_ex(from->si_stime, &to->si_stime);
-#ifdef CONFIG_X86_X32_ABI
- } else {
- put_user_ex(from->si_utime, &to->_sifields._sigchld_x32._utime);
- put_user_ex(from->si_stime, &to->_sifields._sigchld_x32._stime);
-#endif
- }
- put_user_ex(from->si_status, &to->si_status);
- /* FALL THROUGH */
- case SIL_KILL:
- put_user_ex(from->si_uid, &to->si_uid);
- break;
- case SIL_POLL:
- put_user_ex(from->si_fd, &to->si_fd);
- break;
- case SIL_TIMER:
- put_user_ex(from->si_overrun, &to->si_overrun);
- put_user_ex(ptr_to_compat(from->si_ptr),
- &to->si_ptr);
- break;
- case SIL_RT:
- put_user_ex(from->si_uid, &to->si_uid);
- put_user_ex(from->si_int, &to->si_int);
- break;
- }
- }
- } put_user_catch(err);
-
- return err;
-}
-
-/* from syscall's path, where we know the ABI */
-int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from)
-{
- return __copy_siginfo_to_user32(to, from, in_x32_syscall());
-}
-
}
#ifdef CONFIG_COMPAT
+int copy_siginfo_to_user32(struct compat_siginfo __user *to,
+ const struct siginfo *from)
+#if defined(CONFIG_X86_X32_ABI) || defined(CONFIG_IA32_EMULATION)
+{
+ return __copy_siginfo_to_user32(to, from, in_x32_syscall());
+}
+int __copy_siginfo_to_user32(struct compat_siginfo __user *to,
+ const struct siginfo *from, bool x32_ABI)
+#endif
+{
+ struct compat_siginfo new;
+ memset(&new, 0, sizeof(new));
+
+ new.si_signo = from->si_signo;
+ new.si_errno = from->si_errno;
+ new.si_code = from->si_code;
+ switch(siginfo_layout(from->si_signo, from->si_code)) {
+ case SIL_KILL:
+ new.si_pid = from->si_pid;
+ new.si_uid = from->si_uid;
+ break;
+ case SIL_TIMER:
+ new.si_tid = from->si_tid;
+ new.si_overrun = from->si_overrun;
+ new.si_int = from->si_int;
+ break;
+ case SIL_POLL:
+ new.si_band = from->si_band;
+ new.si_fd = from->si_fd;
+ break;
+ case SIL_FAULT:
+ new.si_addr = ptr_to_compat(from->si_addr);
+#ifdef __ARCH_SI_TRAPNO
+ new.si_trapno = from->si_trapno;
+#endif
+#ifdef BUS_MCEERR_AR
+ if ((from->si_signo == SIGBUS) && (from->si_code == BUS_MCEERR_AR))
+ new.si_addr_lsb = from->si_addr_lsb;
+#endif
+#ifdef BUS_MCEERR_AO
+ if ((from->si_signo == SIGBUS) && (from->si_code == BUS_MCEERR_AO))
+ new.si_addr_lsb = from->si_addr_lsb;
+#endif
+#ifdef SEGV_BNDERR
+ if ((from->si_signo == SIGSEGV) &&
+ (from->si_code == SEGV_BNDERR)) {
+ new.si_lower = ptr_to_compat(from->si_lower);
+ new.si_upper = ptr_to_compat(from->si_upper);
+ }
+#endif
+#ifdef SEGV_PKUERR
+ if ((from->si_signo == SIGSEGV) &&
+ (from->si_code == SEGV_PKUERR))
+ new.si_pkey = from->si_pkey;
+#endif
+
+ break;
+ case SIL_CHLD:
+ new.si_pid = from->si_pid;
+ new.si_uid = from->si_uid;
+ new.si_status = from->si_status;
+#ifdef CONFIG_X86_X32_ABI
+ if (x32_ABI) {
+ new._sifields._sigchld_x32._utime = from->si_utime;
+ new._sifields._sigchld_x32._stime = from->si_stime;
+ } else
+#endif
+ {
+ new.si_utime = from->si_utime;
+ new.si_stime = from->si_stime;
+ }
+ break;
+ case SIL_RT:
+ new.si_pid = from->si_pid;
+ new.si_uid = from->si_uid;
+ new.si_int = from->si_int;
+ break;
+ case SIL_SYS:
+ new.si_call_addr = ptr_to_compat(from->si_call_addr);
+ new.si_syscall = from->si_syscall;
+ new.si_arch = from->si_arch;
+ break;
+ }
+
+ if (copy_to_user(to, &new, sizeof(struct compat_siginfo)))
+ return -EFAULT;
+
+ return 0;
+}
+
int copy_siginfo_from_user32(struct siginfo *to,
const struct compat_siginfo __user *ufrom)
{
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