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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>
This commit is contained in:
Michael Holzheu 2013-04-15 17:50:03 +02:00 committed by Martin Schwidefsky
parent c55768765e
commit bd9e034ef3
1 changed files with 2 additions and 0 deletions
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2
arch/s390/kernel/compat_signal.c
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@ -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: