diff options
| -rw-r--r-- | arch/m68knommu/kernel/signal.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/m68knommu/kernel/signal.c b/arch/m68knommu/kernel/signal.c index 43a2726c0d0..e1b3aa39e27 100644 --- a/arch/m68knommu/kernel/signal.c +++ b/arch/m68knommu/kernel/signal.c @@ -285,6 +285,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext *usc, void *fp, regs->d1 = context.sc_d1; regs->a0 = context.sc_a0; regs->a1 = context.sc_a1; + ((struct switch_stack *)regs - 1)->a5 = context.sc_a5; regs->sr = (regs->sr & 0xff00) | (context.sc_sr & 0xff); regs->pc = context.sc_pc; regs->orig_d0 = -1; /* disable syscall checks */ @@ -498,6 +499,7 @@ static void setup_sigcontext(struct sigcontext *sc, struct pt_regs *regs, sc->sc_d1 = regs->d1; sc->sc_a0 = regs->a0; sc->sc_a1 = regs->a1; + sc->sc_a5 = ((struct switch_stack *)regs - 1)->a5; sc->sc_sr = regs->sr; sc->sc_pc = regs->pc; sc->sc_formatvec = regs->format << 12 | regs->vector; @@ -597,6 +599,9 @@ static void setup_frame (int sig, struct k_sigaction *ka, /* Set up registers for signal handler */ wrusp ((unsigned long) frame); regs->pc = (unsigned long) ka->sa.sa_handler; + ((struct switch_stack *)regs - 1)->a5 = current->mm->start_data; + regs->format = 0x4; /*set format byte to make stack appear modulo 4 + which it will be when doing the rte */ adjust_stack: /* Prepare to skip over the extra stuff in the exception frame. */ @@ -664,6 +669,9 @@ static void setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up registers for signal handler */ wrusp ((unsigned long) frame); regs->pc = (unsigned long) ka->sa.sa_handler; + ((struct switch_stack *)regs - 1)->a5 = current->mm->start_data; + regs->format = 0x4; /*set format byte to make stack appear modulo 4 + which it will be when doing the rte */ adjust_stack: /* Prepare to skip over the extra stuff in the exception frame. */ |