call do_sys_sigstack
mov %l5, %o7
- .align 4
- .globl sys_sigpause
-sys_sigpause:
- /* Note: %o0 already has correct value... */
- call do_sigpause
- add %sp, STACKFRAME_SZ, %o1
-
- ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
- be 1f
- nop
-
- call syscall_trace
- nop
-
-1:
- /* We are returning to a signal handler. */
- RESTORE_ALL
-
- .align 4
- .globl sys_sigsuspend
-sys_sigsuspend:
- call do_sigsuspend
- add %sp, STACKFRAME_SZ, %o0
-
- ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
- be 1f
- nop
-
- call syscall_trace
- nop
-
-1:
- /* We are returning to a signal handler. */
- RESTORE_ALL
-
- .align 4
- .globl sys_rt_sigsuspend
-sys_rt_sigsuspend:
- /* Note: %o0, %o1 already have correct value... */
- call do_rt_sigsuspend
- add %sp, STACKFRAME_SZ, %o2
-
- ld [%curptr + TI_FLAGS], %l5
- andcc %l5, _TIF_SYSCALL_TRACE, %g0
- be 1f
- nop
-
- call syscall_trace
- nop
-
-1:
- /* We are returning to a signal handler. */
- RESTORE_ALL
-
.align 4
.globl sys_sigreturn
sys_sigreturn:
ld [%curptr + TI_FLAGS], %g2
signal_p:
- andcc %g2, (_TIF_NOTIFY_RESUME|_TIF_SIGPENDING), %g0
+ andcc %g2, (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK), %g0
bz,a ret_trap_continue
ld [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
- clr %o0
- mov %l5, %o2
- mov %l6, %o3
+ mov %l5, %o1
+ mov %l6, %o2
call do_signal
- add %sp, STACKFRAME_SZ, %o1 ! pt_regs ptr
+ add %sp, STACKFRAME_SZ, %o0 ! pt_regs ptr
/* Fall through. */
ld [%sp + STACKFRAME_SZ + PT_PSR], %t_psr
void *fpqueue, unsigned long *fpqdepth);
extern void fpload(unsigned long *fpregs, unsigned long *fsr);
-asmlinkage int do_signal(sigset_t *oldset, struct pt_regs * regs,
- unsigned long orig_o0, int restart_syscall);
-
/* Signal frames: the original one (compatible with SunOS):
*
* Set up a signal frame... Make the stack look the way SunOS
#define NF_ALIGNEDSZ (((sizeof(struct new_signal_frame) + 7) & (~7)))
#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame) + 7) & (~7)))
-/*
- * atomically swap in the new signal mask, and wait for a signal.
- * This is really tricky on the Sparc, watch out...
- */
-asmlinkage void _sigpause_common(old_sigset_t set, struct pt_regs *regs)
+static int _sigpause_common(old_sigset_t set)
{
- sigset_t saveset;
-
set &= _BLOCKABLE;
spin_lock_irq(¤t->sighand->siglock);
- saveset = current->blocked;
+ current->saved_sigmask = current->blocked;
siginitset(¤t->blocked, set);
recalc_sigpending();
spin_unlock_irq(¤t->sighand->siglock);
- regs->pc = regs->npc;
- regs->npc += 4;
-
- /* Condition codes and return value where set here for sigpause,
- * and so got used by setup_frame, which again causes sigreturn()
- * to return -EINTR.
- */
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- /*
- * Return -EINTR and set condition code here,
- * so the interrupted system call actually returns
- * these.
- */
- regs->psr |= PSR_C;
- regs->u_regs[UREG_I0] = EINTR;
- if (do_signal(&saveset, regs, 0, 0))
- return;
- }
-}
+ current->state = TASK_INTERRUPTIBLE;
+ schedule();
+ set_thread_flag(TIF_RESTORE_SIGMASK);
-asmlinkage void do_sigpause(unsigned int set, struct pt_regs *regs)
-{
- _sigpause_common(set, regs);
+ return -ERESTARTNOHAND;
}
-asmlinkage void do_sigsuspend (struct pt_regs *regs)
+asmlinkage int sys_sigpause(unsigned int set)
{
- _sigpause_common(regs->u_regs[UREG_I0], regs);
+ return _sigpause_common(set);
}
-asmlinkage void do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize,
- struct pt_regs *regs)
+asmlinkage int sys_sigsuspend(old_sigset_t set)
{
- sigset_t oldset, set;
-
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (sigsetsize != sizeof(sigset_t)) {
- regs->psr |= PSR_C;
- regs->u_regs[UREG_I0] = EINVAL;
- return;
- }
-
- if (copy_from_user(&set, uset, sizeof(set))) {
- regs->psr |= PSR_C;
- regs->u_regs[UREG_I0] = EFAULT;
- return;
- }
-
- sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(¤t->sighand->siglock);
- oldset = current->blocked;
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
-
- regs->pc = regs->npc;
- regs->npc += 4;
-
- /* Condition codes and return value where set here for sigpause,
- * and so got used by setup_frame, which again causes sigreturn()
- * to return -EINTR.
- */
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- /*
- * Return -EINTR and set condition code here,
- * so the interrupted system call actually returns
- * these.
- */
- regs->psr |= PSR_C;
- regs->u_regs[UREG_I0] = EINTR;
- if (do_signal(&oldset, regs, 0, 0))
- return;
- }
+ return _sigpause_common(set);
}
static inline int
* want to handle. Thus you cannot kill init even with a SIGKILL even by
* mistake.
*/
-asmlinkage int do_signal(sigset_t *oldset, struct pt_regs * regs,
- unsigned long orig_i0, int restart_syscall)
+asmlinkage void do_signal(struct pt_regs * regs, unsigned long orig_i0, int restart_syscall)
{
siginfo_t info;
struct sparc_deliver_cookie cookie;
struct k_sigaction ka;
int signr;
+ sigset_t *oldset;
/*
* XXX Disable svr4 signal handling until solaris emulation works.
cookie.restart_syscall = restart_syscall;
cookie.orig_i0 = orig_i0;
- if (!oldset)
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ oldset = ¤t->saved_sigmask;
+ else
oldset = ¤t->blocked;
signr = get_signal_to_deliver(&info, &ka, regs, &cookie);
syscall_restart(cookie.orig_i0, regs, &ka.sa);
handle_signal(signr, &ka, &info, oldset,
regs, svr4_signal);
- return 1;
+ /* a signal was successfully delivered; the saved
+ * sigmask will have been stored in the signal frame,
+ * and will be restored by sigreturn, so we can simply
+ * clear the TIF_RESTORE_SIGMASK flag.
+ */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ return;
}
if (cookie.restart_syscall &&
(regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
regs->pc -= 4;
regs->npc -= 4;
}
- return 0;
+
+ /* if there's no signal to deliver, we just put the saved sigmask
+ * back
+ */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL);
+ }
}
asmlinkage int
extern int svr4_getcontext (svr4_ucontext_t *, struct pt_regs *);
extern int svr4_setcontext (svr4_ucontext_t *, struct pt_regs *);
-void _sigpause_common (unsigned int set, struct pt_regs *);
extern void (*__copy_1page)(void *, const void *);
extern void __memmove(void *, const void *, __kernel_size_t);
extern void (*bzero_1page)(void *);
/* Solaris/SunOS binary compatibility */
EXPORT_SYMBOL(svr4_setcontext);
EXPORT_SYMBOL(svr4_getcontext);
-EXPORT_SYMBOL(_sigpause_common);
EXPORT_SYMBOL(dump_thread);
/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy
/*270*/ .long sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
/*275*/ .long sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
-/*280*/ .long sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl
+/*280*/ .long sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+/*285*/ .long sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_newfstatat
+/*290*/ .long sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
+/*295*/ .long sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll
#ifdef CONFIG_SUNOS_EMUL
/* Now the SunOS syscall table. */
.long sunos_nosys, sunos_nosys, sunos_nosys
.long sunos_nosys
/*280*/ .long sunos_nosys, sunos_nosys, sunos_nosys
+ .long sunos_nosys, sunos_nosys, sunos_nosys
+ .long sunos_nosys, sunos_nosys, sunos_nosys
.long sunos_nosys
+/*290*/ .long sunos_nosys, sunos_nosys, sunos_nosys
+ .long sunos_nosys, sunos_nosys, sunos_nosys
+ .long sunos_nosys, sunos_nosys, sunos_nosys
#endif
add %sp, PTREGS_OFF, %o0
.globl sys_pipe, sys_sigpause, sys_nis_syscall
- .globl sys_sigsuspend, sys_rt_sigsuspend
.globl sys_rt_sigreturn
.globl sys_ptrace
.globl sys_sigaltstack
mov %i6, %o2
#endif
.align 32
-sys_sigsuspend: add %sp, PTREGS_OFF, %o0
- call do_sigsuspend
- add %o7, 1f-.-4, %o7
- nop
-sys_rt_sigsuspend: /* NOTE: %o0,%o1 have a correct value already */
- add %sp, PTREGS_OFF, %o2
- call do_rt_sigsuspend
- add %o7, 1f-.-4, %o7
- nop
-#ifdef CONFIG_COMPAT
- .globl sys32_rt_sigsuspend
-sys32_rt_sigsuspend: /* NOTE: %o0,%o1 have a correct value already */
- srl %o0, 0, %o0
- add %sp, PTREGS_OFF, %o2
- call do_rt_sigsuspend32
- add %o7, 1f-.-4, %o7
-#endif
- /* NOTE: %o0 has a correct value already */
-sys_sigpause: add %sp, PTREGS_OFF, %o1
- call do_sigpause
- add %o7, 1f-.-4, %o7
- nop
#ifdef CONFIG_COMPAT
.globl sys32_sigreturn
sys32_sigreturn:
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
ldx [%g6 + TI_FLAGS], %l0
-1: andcc %l0, (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING), %g0
+1: andcc %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
be,pt %xcc, __handle_user_windows_continue
nop
- clr %o0
- mov %l5, %o2
- mov %l6, %o3
- add %sp, PTREGS_OFF, %o1
- mov %l0, %o4
+ mov %l5, %o1
+ mov %l6, %o2
+ add %sp, PTREGS_OFF, %o0
+ mov %l0, %o3
call do_notify_resume
wrpr %g0, RTRAP_PSTATE, %pstate
wrpr %g0, RTRAP_PSTATE, %pstate
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
ldx [%g6 + TI_FLAGS], %l0
-1: andcc %l0, (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING), %g0
+1: andcc %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
be,pt %xcc, __handle_perfctrs_continue
sethi %hi(TSTATE_PEF), %o0
- clr %o0
- mov %l5, %o2
- mov %l6, %o3
- add %sp, PTREGS_OFF, %o1
- mov %l0, %o4
+ mov %l5, %o1
+ mov %l6, %o2
+ add %sp, PTREGS_OFF, %o0
+ mov %l0, %o3
call do_notify_resume
wrpr %g0, RTRAP_PSTATE, %pstate
ba,a,pt %xcc, __handle_userfpu_continue
__handle_signal:
- clr %o0
- mov %l5, %o2
- mov %l6, %o3
- add %sp, PTREGS_OFF, %o1
- mov %l0, %o4
+ mov %l5, %o1
+ mov %l6, %o2
+ add %sp, PTREGS_OFF, %o0
+ mov %l0, %o3
call do_notify_resume
wrpr %g0, RTRAP_PSTATE, %pstate
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
andcc %l1, %o0, %g0
andcc %l0, _TIF_NEED_RESCHED, %g0
bne,pn %xcc, __handle_preemption
- andcc %l0, (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING), %g0
+ andcc %l0, (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), %g0
bne,pn %xcc, __handle_signal
__handle_signal_continue:
ldub [%g6 + TI_WSAVED], %o2
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-static int do_signal(sigset_t *oldset, struct pt_regs * regs,
- unsigned long orig_o0, int ret_from_syscall);
-
/* {set, get}context() needed for 64-bit SparcLinux userland. */
asmlinkage void sparc64_set_context(struct pt_regs *regs)
{
/* Align macros */
#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame) + 7) & (~7)))
-/*
- * atomically swap in the new signal mask, and wait for a signal.
- * This is really tricky on the Sparc, watch out...
- */
-asmlinkage void _sigpause_common(old_sigset_t set, struct pt_regs *regs)
+static long _sigpause_common(old_sigset_t set)
{
- sigset_t saveset;
-
-#ifdef CONFIG_SPARC32_COMPAT
- if (test_thread_flag(TIF_32BIT)) {
- extern asmlinkage void _sigpause32_common(compat_old_sigset_t,
- struct pt_regs *);
- _sigpause32_common(set, regs);
- return;
- }
-#endif
set &= _BLOCKABLE;
spin_lock_irq(¤t->sighand->siglock);
- saveset = current->blocked;
+ current->saved_sigmask = current->blocked;
siginitset(¤t->blocked, set);
recalc_sigpending();
spin_unlock_irq(¤t->sighand->siglock);
-
- if (test_thread_flag(TIF_32BIT)) {
- regs->tpc = (regs->tnpc & 0xffffffff);
- regs->tnpc = (regs->tnpc + 4) & 0xffffffff;
- } else {
- regs->tpc = regs->tnpc;
- regs->tnpc += 4;
- }
- /* Condition codes and return value where set here for sigpause,
- * and so got used by setup_frame, which again causes sigreturn()
- * to return -EINTR.
- */
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- /*
- * Return -EINTR and set condition code here,
- * so the interrupted system call actually returns
- * these.
- */
- regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY);
- regs->u_regs[UREG_I0] = EINTR;
- if (do_signal(&saveset, regs, 0, 0))
- return;
- }
+ current->state = TASK_INTERRUPTIBLE;
+ schedule();
+ set_thread_flag(TIF_RESTORE_SIGMASK);
+ return -ERESTARTNOHAND;
}
-asmlinkage void do_sigpause(unsigned int set, struct pt_regs *regs)
+asmlinkage long sys_sigpause(unsigned int set)
{
- _sigpause_common(set, regs);
+ return _sigpause_common(set);
}
-asmlinkage void do_sigsuspend(struct pt_regs *regs)
+asmlinkage long sys_sigsuspend(old_sigset_t set)
{
- _sigpause_common(regs->u_regs[UREG_I0], regs);
-}
-
-asmlinkage void do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize, struct pt_regs *regs)
-{
- sigset_t oldset, set;
-
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (sigsetsize != sizeof(sigset_t)) {
- regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY);
- regs->u_regs[UREG_I0] = EINVAL;
- return;
- }
- if (copy_from_user(&set, uset, sizeof(set))) {
- regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY);
- regs->u_regs[UREG_I0] = EFAULT;
- return;
- }
-
- sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(¤t->sighand->siglock);
- oldset = current->blocked;
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
-
- if (test_thread_flag(TIF_32BIT)) {
- regs->tpc = (regs->tnpc & 0xffffffff);
- regs->tnpc = (regs->tnpc + 4) & 0xffffffff;
- } else {
- regs->tpc = regs->tnpc;
- regs->tnpc += 4;
- }
-
- /* Condition codes and return value where set here for sigpause,
- * and so got used by setup_frame, which again causes sigreturn()
- * to return -EINTR.
- */
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- /*
- * Return -EINTR and set condition code here,
- * so the interrupted system call actually returns
- * these.
- */
- regs->tstate |= (TSTATE_ICARRY|TSTATE_XCARRY);
- regs->u_regs[UREG_I0] = EINTR;
- if (do_signal(&oldset, regs, 0, 0))
- return;
- }
+ return _sigpause_common(set);
}
static inline int
* want to handle. Thus you cannot kill init even with a SIGKILL even by
* mistake.
*/
-static int do_signal(sigset_t *oldset, struct pt_regs * regs,
- unsigned long orig_i0, int restart_syscall)
+static void do_signal(struct pt_regs *regs, unsigned long orig_i0, int restart_syscall)
{
siginfo_t info;
struct signal_deliver_cookie cookie;
struct k_sigaction ka;
int signr;
+ sigset_t *oldset;
cookie.restart_syscall = restart_syscall;
cookie.orig_i0 = orig_i0;
- if (!oldset)
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ oldset = ¤t->saved_sigmask;
+ else
oldset = ¤t->blocked;
#ifdef CONFIG_SPARC32_COMPAT
if (test_thread_flag(TIF_32BIT)) {
- extern int do_signal32(sigset_t *, struct pt_regs *,
- unsigned long, int);
- return do_signal32(oldset, regs, orig_i0,
- cookie.restart_syscall);
+ extern void do_signal32(sigset_t *, struct pt_regs *,
+ unsigned long, int);
+ do_signal32(oldset, regs, orig_i0,
+ cookie.restart_syscall);
+ return;
}
#endif
if (cookie.restart_syscall)
syscall_restart(orig_i0, regs, &ka.sa);
handle_signal(signr, &ka, &info, oldset, regs);
- return 1;
+
+ /* a signal was successfully delivered; the saved
+ * sigmask will have been stored in the signal frame,
+ * and will be restored by sigreturn, so we can simply
+ * clear the TIF_RESTORE_SIGMASK flag.
+ */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ return;
}
if (cookie.restart_syscall &&
(regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
regs->tpc -= 4;
regs->tnpc -= 4;
}
- return 0;
+
+ /* if there's no signal to deliver, we just put the saved sigmask
+ * back
+ */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL);
+ }
}
-void do_notify_resume(sigset_t *oldset, struct pt_regs *regs,
- unsigned long orig_i0, int restart_syscall,
+void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, int restart_syscall,
unsigned long thread_info_flags)
{
- if (thread_info_flags & _TIF_SIGPENDING)
- do_signal(oldset, regs, orig_i0, restart_syscall);
+ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+ do_signal(regs, orig_i0, restart_syscall);
}
void ptrace_signal_deliver(struct pt_regs *regs, void *cookie)
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-int do_signal32(sigset_t *oldset, struct pt_regs *regs,
- unsigned long orig_o0, int ret_from_syscall);
-
/* Signal frames: the original one (compatible with SunOS):
*
* Set up a signal frame... Make the stack look the way SunOS
return 0;
}
-/*
- * atomically swap in the new signal mask, and wait for a signal.
- * This is really tricky on the Sparc, watch out...
- */
-asmlinkage void _sigpause32_common(compat_old_sigset_t set, struct pt_regs *regs)
-{
- sigset_t saveset;
-
- set &= _BLOCKABLE;
- spin_lock_irq(¤t->sighand->siglock);
- saveset = current->blocked;
- siginitset(¤t->blocked, set);
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
-
- regs->tpc = regs->tnpc;
- regs->tnpc += 4;
- if (test_thread_flag(TIF_32BIT)) {
- regs->tpc &= 0xffffffff;
- regs->tnpc &= 0xffffffff;
- }
-
- /* Condition codes and return value where set here for sigpause,
- * and so got used by setup_frame, which again causes sigreturn()
- * to return -EINTR.
- */
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- /*
- * Return -EINTR and set condition code here,
- * so the interrupted system call actually returns
- * these.
- */
- regs->tstate |= TSTATE_ICARRY;
- regs->u_regs[UREG_I0] = EINTR;
- if (do_signal32(&saveset, regs, 0, 0))
- return;
- }
-}
-
-asmlinkage void do_rt_sigsuspend32(u32 uset, size_t sigsetsize, struct pt_regs *regs)
-{
- sigset_t oldset, set;
- compat_sigset_t set32;
-
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (((compat_size_t)sigsetsize) != sizeof(sigset_t)) {
- regs->tstate |= TSTATE_ICARRY;
- regs->u_regs[UREG_I0] = EINVAL;
- return;
- }
- if (copy_from_user(&set32, compat_ptr(uset), sizeof(set32))) {
- regs->tstate |= TSTATE_ICARRY;
- regs->u_regs[UREG_I0] = EFAULT;
- return;
- }
- switch (_NSIG_WORDS) {
- case 4: set.sig[3] = set32.sig[6] + (((long)set32.sig[7]) << 32);
- case 3: set.sig[2] = set32.sig[4] + (((long)set32.sig[5]) << 32);
- case 2: set.sig[1] = set32.sig[2] + (((long)set32.sig[3]) << 32);
- case 1: set.sig[0] = set32.sig[0] + (((long)set32.sig[1]) << 32);
- }
- sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(¤t->sighand->siglock);
- oldset = current->blocked;
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(¤t->sighand->siglock);
-
- regs->tpc = regs->tnpc;
- regs->tnpc += 4;
- if (test_thread_flag(TIF_32BIT)) {
- regs->tpc &= 0xffffffff;
- regs->tnpc &= 0xffffffff;
- }
-
- /* Condition codes and return value where set here for sigpause,
- * and so got used by setup_frame, which again causes sigreturn()
- * to return -EINTR.
- */
- while (1) {
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- /*
- * Return -EINTR and set condition code here,
- * so the interrupted system call actually returns
- * these.
- */
- regs->tstate |= TSTATE_ICARRY;
- regs->u_regs[UREG_I0] = EINTR;
- if (do_signal32(&oldset, regs, 0, 0))
- return;
- }
-}
-
static int restore_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
unsigned long *fpregs = current_thread_info()->fpregs;
* want to handle. Thus you cannot kill init even with a SIGKILL even by
* mistake.
*/
-int do_signal32(sigset_t *oldset, struct pt_regs * regs,
- unsigned long orig_i0, int restart_syscall)
+void do_signal32(sigset_t *oldset, struct pt_regs * regs,
+ unsigned long orig_i0, int restart_syscall)
{
siginfo_t info;
struct signal_deliver_cookie cookie;
syscall_restart32(orig_i0, regs, &ka.sa);
handle_signal32(signr, &ka, &info, oldset,
regs, svr4_signal);
- return 1;
+
+ /* a signal was successfully delivered; the saved
+ * sigmask will have been stored in the signal frame,
+ * and will be restored by sigreturn, so we can simply
+ * clear the TIF_RESTORE_SIGMASK flag.
+ */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK))
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ return;
}
if (cookie.restart_syscall &&
(regs->u_regs[UREG_I0] == ERESTARTNOHAND ||
regs->tpc -= 4;
regs->tnpc -= 4;
}
- return 0;
+
+ /* if there's no signal to deliver, we just put the saved sigmask
+ * back
+ */
+ if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
+ sigprocmask(SIG_SETMASK, ¤t->saved_sigmask, NULL);
+ }
}
struct sigstack32 {
extern void die_if_kernel(char *str, struct pt_regs *regs);
extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-void _sigpause_common (unsigned int set, struct pt_regs *);
extern void *__bzero(void *, size_t);
extern void *__memscan_zero(void *, size_t);
extern void *__memscan_generic(void *, int, size_t);
/* I/O device mmaping on Sparc64. */
EXPORT_SYMBOL(io_remap_pfn_range);
+#ifdef CONFIG_COMPAT
/* Solaris/SunOS binary compatibility */
-EXPORT_SYMBOL(_sigpause_common);
EXPORT_SYMBOL(verify_compat_iovec);
+#endif
EXPORT_SYMBOL(dump_fpu);
EXPORT_SYMBOL(pte_alloc_one_kernel);
/*90*/ .word sys_dup2, sys_setfsuid, compat_sys_fcntl, sys32_select, sys_setfsgid
.word sys_fsync, sys32_setpriority, sys_nis_syscall, sys_nis_syscall, sys_nis_syscall
/*100*/ .word sys32_getpriority, sys32_rt_sigreturn, sys32_rt_sigaction, sys32_rt_sigprocmask, sys32_rt_sigpending
- .word compat_sys_rt_sigtimedwait, sys32_rt_sigqueueinfo, sys32_rt_sigsuspend, sys_setresuid, sys_getresuid
+ .word compat_sys_rt_sigtimedwait, sys32_rt_sigqueueinfo, compat_sys_rt_sigsuspend, sys_setresuid, sys_getresuid
/*110*/ .word sys_setresgid, sys_getresgid, sys_setregid, sys_nis_syscall, sys_nis_syscall
.word sys32_getgroups, sys32_gettimeofday, sys32_getrusage, sys_nis_syscall, sys_getcwd
/*120*/ .word compat_sys_readv, compat_sys_writev, sys32_settimeofday, sys32_fchown16, sys_fchmod
.word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
/*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
.word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
-/*280*/ .word sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl
+/*280*/ .word sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat
+ .word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, compat_sys_newfstatat
+/*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
+ .word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll
#endif /* CONFIG_COMPAT */
.word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
/*270*/ .word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
.word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
-/*280*/ .word sys_nis_syscall, sys_add_key, sys_request_key, sys_keyctl
+/*280*/ .word sys_nis_syscall, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+ .word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, compat_sys_newfstatat
+/*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
+ .word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll
#if defined(CONFIG_SUNOS_EMUL) || defined(CONFIG_SOLARIS_EMUL) || \
defined(CONFIG_SOLARIS_EMUL_MODULE)
/*250*/ .word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
+ .word sunos_nosys
+/*260*/ .word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
+ .word sunos_nosys
+/*270*/ .word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
+ .word sunos_nosys
+/*280*/ .word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
+ .word sunos_nosys
+/*290*/ .word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
.word sunos_nosys, sunos_nosys, sunos_nosys
- .word sunos_nosys
#endif
nop
call sys_sigsuspend
stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
+ b,pt %xcc, ret_from_solaris
+ nop
.globl solaris_getpid
solaris_getpid:
* thread information flag bit numbers
*/
#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
-#define TIF_NOTIFY_RESUME 1 /* resumption notification requested */
+/* flag bit 1 is available */
#define TIF_SIGPENDING 2 /* signal pending */
#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
+#define TIF_RESTORE_SIGMASK 4 /* restore signal mask in do_signal() */
#define TIF_USEDFPU 8 /* FPU was used by this task
* this quantum (SMP) */
#define TIF_POLLING_NRFLAG 9 /* true if poll_idle() is polling
/* as above, but as bit values */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
-#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
+#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
#define _TIF_USEDFPU (1<<TIF_USEDFPU)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define __NR_add_key 281
#define __NR_request_key 282
#define __NR_keyctl 283
+#define __NR_openat 284
+#define __NR_mkdirat 285
+#define __NR_mknodat 286
+#define __NR_fchownat 287
+#define __NR_futimesat 288
+#define __NR_newfstatat 289
+#define __NR_unlinkat 290
+#define __NR_renameat 291
+#define __NR_linkat 292
+#define __NR_symlinkat 293
+#define __NR_readlinkat 294
+#define __NR_fchmodat 295
+#define __NR_faccessat 296
+#define __NR_pselect6 297
+#define __NR_ppoll 298
-/* WARNING: You MAY NOT add syscall numbers larger than 283, since
+/* WARNING: You MAY NOT add syscall numbers larger than 298, since
* all of the syscall tables in the Sparc kernel are
- * sized to have 283 entries (starting at zero). Therefore
- * find a free slot in the 0-282 range.
+ * sized to have 298 entries (starting at zero). Therefore
+ * find a free slot in the 0-298 range.
*/
#define _syscall0(type,name) \
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#endif
#ifdef __KERNEL_SYSCALLS__
* nop
*/
#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
-#define TIF_NOTIFY_RESUME 1 /* resumption notification requested */
+#define TIF_RESTORE_SIGMASK 1 /* restore signal mask in do_signal() */
#define TIF_SIGPENDING 2 /* signal pending */
#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
#define TIF_PERFCTR 4 /* performance counters active */
#define TIF_POLLING_NRFLAG 14
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
-#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
#define _TIF_PERFCTR (1<<TIF_PERFCTR)
#define _TIF_32BIT (1<<TIF_32BIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
+#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \
- (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \
+ (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | \
_TIF_NEED_RESCHED | _TIF_PERFCTR))
#endif /* __KERNEL__ */
#define __NR_add_key 281
#define __NR_request_key 282
#define __NR_keyctl 283
+#define __NR_openat 284
+#define __NR_mkdirat 285
+#define __NR_mknodat 286
+#define __NR_fchownat 287
+#define __NR_futimesat 288
+#define __NR_newfstatat 289
+#define __NR_unlinkat 290
+#define __NR_renameat 291
+#define __NR_linkat 292
+#define __NR_symlinkat 293
+#define __NR_readlinkat 294
+#define __NR_fchmodat 295
+#define __NR_faccessat 296
+#define __NR_pselect6 297
+#define __NR_ppoll 298
-/* WARNING: You MAY NOT add syscall numbers larger than 283, since
+/* WARNING: You MAY NOT add syscall numbers larger than 298, since
* all of the syscall tables in the Sparc kernel are
- * sized to have 283 entries (starting at zero). Therefore
- * find a free slot in the 0-282 range.
+ * sized to have 298 entries (starting at zero). Therefore
+ * find a free slot in the 0-298 range.
*/
#define _syscall0(type,name) \
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
#endif
/*
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff