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[ARM] Merge sigcontext and sigmask members of sigframe

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ucontext contains both the sigcontext and sigmask structures, and
is also used for rt signal contexts.  Re-use this structure for
non-rt signals.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2006-06-15 20:13:25 +01:00 committed by Russell King
parent cc1a852137
commit 7d4fdc19fc
1 changed files with 5 additions and 6 deletions
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11
arch/arm/kernel/signal.c
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@ -193,8 +193,7 @@ struct aux_sigframe {
* Do a signal return; undo the signal stack. These are aligned to 64-bit.
*/
struct sigframe {
struct sigcontext sc;
sigset_t sigmask;
struct ucontext uc;
unsigned long retcode[2];
struct aux_sigframe aux __attribute__((aligned(8)));
};
@ -264,7 +263,7 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs)
if (!access_ok(VERIFY_READ, frame, sizeof (*frame)))
goto badframe;
if (__copy_from_user(&set, &frame->sigmask, sizeof(set)))
if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
@ -273,7 +272,7 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs)
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
if (restore_sigcontext(regs, &frame->sc, &frame->aux))
if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &frame->aux))
goto badframe;
/* Send SIGTRAP if we're single-stepping */
@ -482,8 +481,8 @@ setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *reg
if (!frame)
return 1;
err |= setup_sigcontext(&frame->sc, &frame->aux, regs, set->sig[0]);
err |= __copy_to_user(&frame->sigmask, set, sizeof(*set));
err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->aux, regs, set->sig[0]);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (err == 0)
err = setup_return(regs, ka, frame->retcode, frame, usig);