diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c | 52 |
1 files changed, 13 insertions, 39 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c index 5aa3c3516e..191f58729e 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c @@ -1,5 +1,5 @@ /* POSIX.1 sigaction call for Linux/SPARC. - Copyright (C) 1997-2016 Free Software Foundation, Inc. + Copyright (C) 1997-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Miguel de Icaza <miguel@nuclecu.unam.mx>, 1997. @@ -27,45 +27,17 @@ static void __rt_sigreturn_stub (void); static void __sigreturn_stub (void); -int -__libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact) -{ - struct kernel_sigaction kact, koact; - unsigned long stub = 0; - int ret; - - if (act) - { - kact.k_sa_handler = act->sa_handler; - memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t)); - if (((kact.sa_flags = act->sa_flags) & SA_SIGINFO) != 0) - stub = (unsigned long) &__rt_sigreturn_stub; - else - stub = (unsigned long) &__sigreturn_stub; - stub -= 8; - kact.sa_restorer = NULL; - } - - /* XXX The size argument hopefully will have to be changed to the - real size of the user-level sigset_t. */ - ret = INLINE_SYSCALL (rt_sigaction, 5, sig, act ? &kact : 0, - oact ? &koact : 0, stub, _NSIG / 8); - - if (oact && ret >= 0) - { - oact->sa_handler = koact.k_sa_handler; - memcpy (&oact->sa_mask, &koact.sa_mask, sizeof (sigset_t)); - oact->sa_flags = koact.sa_flags; - oact->sa_restorer = koact.sa_restorer; - } - return ret; -} -libc_hidden_def (__libc_sigaction) - -#include <nptl/sigaction.c> +#define STUB(act) \ + (act) ? ((unsigned long)((act->sa_flags & SA_SIGINFO) \ + ? &__rt_sigreturn_stub \ + : &__sigreturn_stub) - 8) \ + : 0, +#include <sysdeps/unix/sysv/linux/sigaction.c> -static void +static +inhibit_stack_protector +void __rt_sigreturn_stub (void) { __asm__ ("mov %0, %%g1\n\t" @@ -74,7 +46,9 @@ __rt_sigreturn_stub (void) : "i" (__NR_rt_sigreturn)); } -static void +static +inhibit_stack_protector +void __sigreturn_stub (void) { __asm__ ("mov %0, %%g1\n\t" |