diff options
Diffstat (limited to 'arch/arm64/kernel/signal32.c')
| -rw-r--r-- | arch/arm64/kernel/signal32.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c index c5ee208321c3..1b9ad02837cf 100644 --- a/arch/arm64/kernel/signal32.c +++ b/arch/arm64/kernel/signal32.c @@ -407,20 +407,14 @@ badframe: return 0; } -static void __user *compat_get_sigframe(struct k_sigaction *ka, +static void __user *compat_get_sigframe(struct ksignal *ksig, struct pt_regs *regs, int framesize) { - compat_ulong_t sp = regs->compat_sp; + compat_ulong_t sp = sigsp(regs->compat_sp, ksig); void __user *frame; /* - * This is the X/Open sanctioned signal stack switching. - */ - if ((ka->sa.sa_flags & SA_ONSTACK) && !sas_ss_flags(sp)) - sp = current->sas_ss_sp + current->sas_ss_size; - - /* * ATPCS B01 mandates 8-byte alignment */ frame = compat_ptr((compat_uptr_t)((sp - framesize) & ~7)); @@ -520,18 +514,18 @@ static int compat_setup_sigframe(struct compat_sigframe __user *sf, /* * 32-bit signal handling routines called from signal.c */ -int compat_setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, +int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) { struct compat_rt_sigframe __user *frame; int err = 0; - frame = compat_get_sigframe(ka, regs, sizeof(*frame)); + frame = compat_get_sigframe(ksig, regs, sizeof(*frame)); if (!frame) return 1; - err |= copy_siginfo_to_user32(&frame->info, info); + err |= copy_siginfo_to_user32(&frame->info, &ksig->info); __put_user_error(0, &frame->sig.uc.uc_flags, err); __put_user_error(0, &frame->sig.uc.uc_link, err); @@ -541,7 +535,7 @@ int compat_setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, err |= compat_setup_sigframe(&frame->sig, regs, set); if (err == 0) { - compat_setup_return(regs, ka, frame->sig.retcode, frame, usig); + compat_setup_return(regs, &ksig->ka, frame->sig.retcode, frame, usig); regs->regs[1] = (compat_ulong_t)(unsigned long)&frame->info; regs->regs[2] = (compat_ulong_t)(unsigned long)&frame->sig.uc; } @@ -549,13 +543,13 @@ int compat_setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, return err; } -int compat_setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, +int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) { struct compat_sigframe __user *frame; int err = 0; - frame = compat_get_sigframe(ka, regs, sizeof(*frame)); + frame = compat_get_sigframe(ksig, regs, sizeof(*frame)); if (!frame) return 1; @@ -564,7 +558,7 @@ int compat_setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, err |= compat_setup_sigframe(frame, regs, set); if (err == 0) - compat_setup_return(regs, ka, frame->retcode, frame, usig); + compat_setup_return(regs, &ksig->ka, frame->retcode, frame, usig); return err; } |