aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/unix/sysv/linux/sparc
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc')
-rw-r--r--sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h10
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c42
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c43
3 files changed, 19 insertions, 76 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h b/sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h
new file mode 100644
index 0000000000..bee7e9cd03
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/kernel_sigaction.h
@@ -0,0 +1,10 @@
+/* SPARC 'struct __new_sigaction' is similar to generic Linux UAPI with
+ a sa_restorer field, even though function is passed as an argument
+ to rt_sigaction syscall. */
+#define SA_RESTORER 0x04000000
+#include <sysdeps/unix/sysv/linux/kernel_sigaction.h>
+
+#define SET_SA_RESTORER(kact, act) \
+ (kact)->sa_restorer = NULL
+#define RESET_SA_RESTORER(act, kact) \
+ (act)->sa_restorer = (kact)->sa_restorer
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
index 204a5d88c6..191f58729e 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
@@ -27,43 +27,13 @@
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
inhibit_stack_protector
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c b/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
index 73cda4c6e4..cfbbc6e7b4 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
@@ -21,50 +21,13 @@
#include <string.h>
#include <syscall.h>
#include <sysdep.h>
-#include <sys/signal.h>
-#include <errno.h>
-
-#include <kernel_sigaction.h>
-
-/* SPARC 64bit userland requires a kernel that has rt signals anyway. */
static void __rt_sigreturn_stub (void);
-int
-__libc_sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
-{
- int ret;
- struct kernel_sigaction kact, koact;
- unsigned long stub = ((unsigned long) &__rt_sigreturn_stub) - 8;
-
- if (act)
- {
- kact.k_sa_handler = act->sa_handler;
- memcpy (&kact.sa_mask, &act->sa_mask, sizeof (sigset_t));
- kact.sa_flags = act->sa_flags;
- 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) \
+ (((unsigned long) &__rt_sigreturn_stub) - 8),
+#include <sysdeps/unix/sysv/linux/sigaction.c>
static
inhibit_stack_protector