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sh: switch to generic old sigaction()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-25 19:23:55 -05:00
parent 881e252d6b
commit 0679a858c5
5 changed files with 3 additions and 66 deletions
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1
arch/sh/Kconfig
View File

@ -42,6 +42,7 @@ config SUPERH
select MODULES_USE_ELF_RELA
select GENERIC_SIGALTSTACK
select OLD_SIGSUSPEND
select OLD_SIGACTION
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast

2
arch/sh/include/asm/syscalls_32.h
View File

@ -9,8 +9,6 @@
struct pt_regs;
asmlinkage int sys_sigaction(int sig, const struct old_sigaction __user *act,
struct old_sigaction __user *oact);
asmlinkage int sys_sigreturn(unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7,
struct pt_regs __regs);

2
arch/sh/include/uapi/asm/signal.h
View File

@ -5,11 +5,13 @@
#include <asm-generic/signal.h>
#ifndef __KERNEL__
struct old_sigaction {
__sighandler_t sa_handler;
old_sigset_t sa_mask;
unsigned long sa_flags;
void (*sa_restorer)(void);
};
#endif
#endif /* __ASM_SH_SIGNAL_H */

32
arch/sh/kernel/signal_32.c
View File

@ -46,38 +46,6 @@ struct fdpic_func_descriptor {
*/
#define UNWINDGUARD 64
asmlinkage int
sys_sigaction(int sig, const struct old_sigaction __user *act,
struct old_sigaction __user *oact)
{
struct k_sigaction new_ka, old_ka;
int ret;
if (act) {
old_sigset_t mask;
if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
__get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
__get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
__get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
__get_user(mask, &act->sa_mask))
return -EFAULT;
siginitset(&new_ka.sa.sa_mask, mask);
}
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
__put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
__put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
__put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
return -EFAULT;
}
return ret;
}
/*
* Do a signal return; undo the signal stack.
*/

32
arch/sh/kernel/signal_64.c
View File

@ -127,38 +127,6 @@ static void do_signal(struct pt_regs *regs)
restore_saved_sigmask();
}
asmlinkage int
sys_sigaction(int sig, const struct old_sigaction __user *act,
struct old_sigaction __user *oact)
{
struct k_sigaction new_ka, old_ka;
int ret;
if (act) {
old_sigset_t mask;
if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
__get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
__get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
__get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
__get_user(mask, &act->sa_mask))
return -EFAULT;
siginitset(&new_ka.sa.sa_mask, mask);
}
ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
if (!ret && oact) {
if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
__put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
__put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
__put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
__put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
return -EFAULT;
}
return ret;
}
/*
* Do a signal return; undo the signal stack.
*/