s390/signal: Add BEA to compat signal handler parameters

This patch adds the last breaking event address as parameter
for 31 bit compat program signal handlers as it is already
done for 64 bit programs.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 6de049fbe62dced08c1deddb4330077d3d4158ae..c439ac9ced092a6a8c4ea710b3127c4bb6cb3014 100644 (file)
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -362,6 +362,7 @@ static int setup_frame32(int sig, struct k_sigaction *ka,
                /* set extra registers only for synchronous signals */
                regs->gprs[4] = regs->int_code & 127;
                regs->gprs[5] = regs->int_parm_long;
+               regs->gprs[6] = task_thread_info(current)->last_break;
        }
 
        /* Place signal number on stack to allow backtrace from handler.  */
@@ -421,6 +422,7 @@ static int setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info,
        regs->gprs[2] = map_signal(sig);
        regs->gprs[3] = (__force __u64) &frame->info;
        regs->gprs[4] = (__force __u64) &frame->uc;
+       regs->gprs[5] = task_thread_info(current)->last_break;
        return 0;
 
 give_sigsegv: