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authorChris Zankel <chris@zankel.net>2008-02-12 12:22:15 -0800
committerChris Zankel <chris@zankel.net>2008-02-13 17:12:15 -0800
commit3befce8f0f79be8322aba885ed052b8ad927913d (patch)
tree37c163b1e2e488fd9dad269570302637201f3ec7 /arch/xtensa
parent8d7e8240e66cecc84a375aceb26942d02b291198 (diff)
[XTENSA] Remove oldmask from sigcontext and fix register flush
Remove oldmask from the sigcontext structure. Also update wmask and windowstart when we flush the AR registers to stack. Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/kernel/signal.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index 033aae0336d2..42d9fd8a4225 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -49,8 +49,6 @@ struct rt_sigframe
/*
* Flush register windows stored in pt_regs to stack.
* Returns 1 for errors.
- *
- * Note that windowbase, windowstart, and wmask are not updated!
*/
int
@@ -116,6 +114,9 @@ flush_window_regs_user(struct pt_regs *regs)
base += inc;
}
+ regs->wmask = 1;
+ regs->windowstart = 1 << wb;
+
return 0;
errout:
@@ -132,7 +133,7 @@ errout:
static int
setup_sigcontext(struct sigcontext __user *sc, cp_state_t *cpstate,
- struct pt_regs *regs, unsigned long mask)
+ struct pt_regs *regs)
{
int err = 0;
@@ -155,8 +156,6 @@ setup_sigcontext(struct sigcontext __user *sc, cp_state_t *cpstate,
err |= save_cpextra(cpstate);
err |= __put_user(err ? NULL : cpstate, &sc->sc_cpstate);
#endif
- /* non-iBCS2 extensions.. */
- err |= __put_user(mask, &sc->oldmask);
return err;
}
@@ -360,8 +359,7 @@ static void setup_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
err |= __put_user(sas_ss_flags(regs->areg[1]),
&frame->uc.uc_stack.ss_flags);
err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
- err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->cpstate,
- regs, set->sig[0]);
+ err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->cpstate, regs);
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
/* Create sys_rt_sigreturn syscall in stack frame */