sparc64: Clean up handling of pt_regs trap type encoding.
If we use this from more than one place, it's better to
have helpers instead of twiddling magic constants all
over.
Add pt_regs_trap_type(), pt_regs_clear_trap_type(), and
pt_regs_is_syscall().
Use them in do_signal().
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c
index 314f51a..f2d88d8 100644
--- a/arch/sparc64/kernel/signal.c
+++ b/arch/sparc64/kernel/signal.c
@@ -513,11 +513,10 @@
struct k_sigaction ka;
sigset_t *oldset;
siginfo_t info;
- int signr, tt;
+ int signr;
- tt = regs->magic & 0x1ff;
- if (tt == 0x110 || tt == 0x111 || tt == 0x16d) {
- regs->magic &= ~0x1ff;
+ if (pt_regs_is_syscall(regs)) {
+ pt_regs_clear_trap_type(regs);
cookie.restart_syscall = 1;
} else
cookie.restart_syscall = 0;