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Diffstat (limited to 'arch/powerpc/kernel/signal.c')
-rw-r--r--arch/powerpc/kernel/signal.c41
1 files changed, 13 insertions, 28 deletions
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index 1c794cef2883..cf8c7e4e0b21 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -31,20 +31,14 @@ int show_unhandled_signals = 1;
/*
* Allocate space for the signal frame
*/
-void __user * get_sigframe(struct k_sigaction *ka, unsigned long sp,
+void __user *get_sigframe(struct ksignal *ksig, unsigned long sp,
size_t frame_size, int is_32)
{
unsigned long oldsp, newsp;
/* Default to using normal stack */
oldsp = get_clean_sp(sp, is_32);
-
- /* Check for alt stack */
- if ((ka->sa.sa_flags & SA_ONSTACK) &&
- current->sas_ss_size && !on_sig_stack(oldsp))
- oldsp = (current->sas_ss_sp + current->sas_ss_size);
-
- /* Get aligned frame */
+ oldsp = sigsp(oldsp, ksig);
newsp = (oldsp - frame_size) & ~0xFUL;
/* Check access */
@@ -105,25 +99,23 @@ static void check_syscall_restart(struct pt_regs *regs, struct k_sigaction *ka,
}
}
-static int do_signal(struct pt_regs *regs)
+static void do_signal(struct pt_regs *regs)
{
sigset_t *oldset = sigmask_to_save();
- siginfo_t info;
- int signr;
- struct k_sigaction ka;
+ struct ksignal ksig;
int ret;
int is32 = is_32bit_task();
- signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+ get_signal(&ksig);
/* Is there any syscall restart business here ? */
- check_syscall_restart(regs, &ka, signr > 0);
+ check_syscall_restart(regs, &ksig.ka, ksig.sig > 0);
- if (signr <= 0) {
+ if (ksig.sig <= 0) {
/* No signal to deliver -- put the saved sigmask back */
restore_saved_sigmask();
regs->trap = 0;
- return 0; /* no signals delivered */
+ return; /* no signals delivered */
}
#ifndef CONFIG_PPC_ADV_DEBUG_REGS
@@ -140,23 +132,16 @@ static int do_signal(struct pt_regs *regs)
thread_change_pc(current, regs);
if (is32) {
- if (ka.sa.sa_flags & SA_SIGINFO)
- ret = handle_rt_signal32(signr, &ka, &info, oldset,
- regs);
+ if (ksig.ka.sa.sa_flags & SA_SIGINFO)
+ ret = handle_rt_signal32(&ksig, oldset, regs);
else
- ret = handle_signal32(signr, &ka, &info, oldset,
- regs);
+ ret = handle_signal32(&ksig, oldset, regs);
} else {
- ret = handle_rt_signal64(signr, &ka, &info, oldset, regs);
+ ret = handle_rt_signal64(&ksig, oldset, regs);
}
regs->trap = 0;
- if (ret) {
- signal_delivered(signr, &info, &ka, regs,
- test_thread_flag(TIF_SINGLESTEP));
- }
-
- return ret;
+ signal_setup_done(ret, &ksig, test_thread_flag(TIF_SINGLESTEP));
}
void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags)