diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-06-15 20:18:25 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-06-18 16:17:43 +0100 |
| commit | cb3504e8fa84870aabcf51c67e29675817e30836 (patch) | |
| tree | 7c46380f8672e87ecc40cecb004772f5301ea0f8 /arch/arm/kernel | |
| parent | 7d4fdc19fc134f69f3711c14e63caef56aee0f2a (diff) | |
[ARM] Re-use sigframe within rt_sigframe
sigframe is now a contained subset of rt_sigframe, so we can start
to re-use code which accesses sigframe data for both rt and non-rt
signals.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/signal.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 9f1e1768e4a6..652bb1a33c06 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -200,9 +200,7 @@ struct sigframe { struct rt_sigframe { struct siginfo info; - struct ucontext uc; - unsigned long retcode[2]; - struct aux_sigframe aux __attribute__((aligned(8))); + struct sigframe sig; }; static int @@ -308,7 +306,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) if (!access_ok(VERIFY_READ, frame, sizeof (*frame))) goto badframe; - if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set))) + if (__copy_from_user(&set, &frame->sig.uc.uc_sigmask, sizeof(set))) goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); @@ -317,10 +315,10 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &frame->aux)) + if (restore_sigcontext(regs, &frame->sig.uc.uc_mcontext, &frame->sig.aux)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT) + if (do_sigaltstack(&frame->sig.uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT) goto badframe; /* Send SIGTRAP if we're single-stepping */ @@ -503,21 +501,21 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, err |= copy_siginfo_to_user(&frame->info, info); - __put_user_error(0, &frame->uc.uc_flags, err); - __put_user_error(NULL, &frame->uc.uc_link, err); + __put_user_error(0, &frame->sig.uc.uc_flags, err); + __put_user_error(NULL, &frame->sig.uc.uc_link, err); memset(&stack, 0, sizeof(stack)); stack.ss_sp = (void __user *)current->sas_ss_sp; stack.ss_flags = sas_ss_flags(regs->ARM_sp); stack.ss_size = current->sas_ss_size; - err |= __copy_to_user(&frame->uc.uc_stack, &stack, sizeof(stack)); + err |= __copy_to_user(&frame->sig.uc.uc_stack, &stack, sizeof(stack)); - err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->aux, + err |= setup_sigcontext(&frame->sig.uc.uc_mcontext, &frame->sig.aux, regs, set->sig[0]); - err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); + err |= __copy_to_user(&frame->sig.uc.uc_sigmask, set, sizeof(*set)); if (err == 0) - err = setup_return(regs, ka, frame->retcode, frame, usig); + err = setup_return(regs, ka, frame->sig.retcode, frame, usig); if (err == 0) { /* @@ -526,7 +524,7 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info, * -- Peter Maydell <pmaydell@chiark.greenend.org.uk> 2000-12-06 */ regs->ARM_r1 = (unsigned long)&frame->info; - regs->ARM_r2 = (unsigned long)&frame->uc; + regs->ARM_r2 = (unsigned long)&frame->sig.uc; } return err; |