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[MIPS] signals: Share even more code.

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native and compat do_signal and handle_signal are identical and can easily
be unified.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2007-02-15 11:40:37 +00:00
parent 38201fb23c
commit 151fd6acd9
7 changed files with 35 additions and 164 deletions
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18
arch/mips/kernel/signal.c
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@@ -398,7 +398,7 @@ badframe:
}
#ifdef CONFIG_TRAD_SIGNALS
int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
static int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set)
{
struct sigframe __user *frame;
@@ -443,7 +443,7 @@ give_sigsegv:
}
#endif
int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
static int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info)
{
struct rt_sigframe __user *frame;
@@ -501,6 +501,14 @@ give_sigsegv:
return -EFAULT;
}
struct mips_abi mips_abi = {
#ifdef CONFIG_TRAD_SIGNALS
.setup_frame = setup_frame,
#endif
.setup_rt_frame = setup_rt_frame,
.restart = __NR_restart_syscall
};
static int handle_signal(unsigned long sig, siginfo_t *info,
struct k_sigaction *ka, sigset_t *oldset, struct pt_regs *regs)
{
@@ -539,7 +547,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
return ret;
}
void do_signal(struct pt_regs *regs)
static void do_signal(struct pt_regs *regs)
{
struct k_sigaction ka;
sigset_t *oldset;
@@ -589,7 +597,7 @@ void do_signal(struct pt_regs *regs)
regs->cp0_epc -= 8;
}
if (regs->regs[2] == ERESTART_RESTARTBLOCK) {
regs->regs[2] = __NR_restart_syscall;
regs->regs[2] = current->thread.abi->restart;
regs->regs[7] = regs->regs[26];
regs->cp0_epc -= 4;
}
@@ -615,5 +623,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
{
/* deal with pending signal delivery */
if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
current->thread.abi->do_signal(regs);
do_signal(regs);
}