sigset_t *set, struct pt_regs * regs);
asmlinkage long
-sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize, struct pt_regs regs)
+sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, struct pt_regs regs)
{
sigset_t saveset, newset;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(¤t->sighand->siglock);
-#if DEBUG_SIG
+#ifdef DEBUG_SIG
printk("rt_sigsuspend savset(%lx) newset(%lx) regs(%p) rip(%lx)\n",
saveset, newset, ®s, regs.rip);
#endif
}
asmlinkage long
-sys_sigaltstack(const stack_t *uss, stack_t *uoss, struct pt_regs regs)
+sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, struct pt_regs regs)
{
return do_sigaltstack(uss, uoss, regs.rsp);
}
};
static int
-restore_sigcontext(struct pt_regs *regs, struct sigcontext *sc, unsigned long *prax)
+restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, unsigned long *prax)
{
unsigned int err = 0;
}
{
- struct _fpstate * buf;
+ struct _fpstate __user * buf;
err |= __get_user(buf, &sc->fpstate);
if (buf) {
asmlinkage long sys_rt_sigreturn(struct pt_regs regs)
{
- struct rt_sigframe *frame = (struct rt_sigframe *)(regs.rsp - 8);
+ struct rt_sigframe __user *frame;
sigset_t set;
- stack_t st;
long eax;
+ frame = (struct rt_sigframe __user *)(regs.rsp - 8);
if (verify_area(VERIFY_READ, frame, sizeof(*frame))) {
goto badframe;
}
goto badframe;
}
-#if DEBUG_SIG
+#ifdef DEBUG_SIG
printk("%d sigreturn rip:%lx rsp:%lx frame:%p rax:%lx\n",current->pid,regs.rip,regs.rsp,frame,eax);
#endif
- if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st))) {
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs.rsp) == -EFAULT)
goto badframe;
- }
- /* It is more difficult to avoid calling this function than to
- call it and ignore errors. */
- do_sigaltstack(&st, NULL, regs.rsp);
return eax;
*/
static inline int
-setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, unsigned long mask, struct task_struct *me)
+setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, unsigned long mask, struct task_struct *me)
{
int err = 0;
* Determine which stack to use..
*/
-static void *
+static void __user *
get_stack(struct k_sigaction *ka, struct pt_regs *regs, unsigned long size)
{
unsigned long rsp;
rsp = current->sas_ss_sp + current->sas_ss_size;
}
- return (void *)round_down(rsp - size, 16);
+ return (void __user *)round_down(rsp - size, 16);
}
static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
sigset_t *set, struct pt_regs * regs)
{
- struct rt_sigframe *frame;
- struct _fpstate *fp = NULL;
+ struct rt_sigframe __user *frame;
+ struct _fpstate __user *fp = NULL;
int err = 0;
struct task_struct *me = current;
if (me->used_math) {
fp = get_stack(ka, regs, sizeof(struct _fpstate));
- frame = (void *)round_down((u64)fp - sizeof(struct rt_sigframe), 16) - 8;
+ frame = (void __user *)round_down((u64)fp - sizeof(struct rt_sigframe), 16) - 8;
if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate))) {
goto give_sigsegv;
goto give_sigsegv;
}
-#if DEBUG_SIG
+#ifdef DEBUG_SIG
printk("%d old rip %lx old rsp %lx old rax %lx\n", current->pid,regs->rip,regs->rsp,regs->rax);
#endif
set_fs(USER_DS);
regs->eflags &= ~TF_MASK;
-#if DEBUG_SIG
+#ifdef DEBUG_SIG
printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
current->comm, current->pid, frame, regs->rip, frame->pretcode);
#endif
{
struct k_sigaction *ka = ¤t->sighand->action[sig-1];
-#if DEBUG_SIG
+#ifdef DEBUG_SIG
printk("handle_signal pid:%d sig:%lu rip:%lx rsp:%lx regs=%p\n", current->pid, sig,
regs->rip, regs->rsp, regs);
#endif
void do_notify_resume(struct pt_regs *regs, sigset_t *oldset, __u32 thread_info_flags)
{
-#if DEBUG_SIG
+#ifdef DEBUG_SIG
printk("do_notify_resume flags:%x rip:%lx rsp:%lx caller:%lx pending:%lx\n",
thread_info_flags, regs->rip, regs->rsp, __builtin_return_address(0),signal_pending(current));
#endif
do_signal(regs,oldset);
}
-void signal_fault(struct pt_regs *regs, void *frame, char *where)
+void signal_fault(struct pt_regs *regs, void __user *frame, char *where)
{
struct task_struct *me = current;
if (exception_trace)