diff options
Diffstat (limited to 'arch/tile/kernel/signal.c')
| -rw-r--r-- | arch/tile/kernel/signal.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c index 45835cfad407..45b66a3c991f 100644 --- a/arch/tile/kernel/signal.c +++ b/arch/tile/kernel/signal.c @@ -33,6 +33,7 @@ #include <asm/processor.h> #include <asm/ucontext.h> #include <asm/sigframe.h> +#include <asm/syscalls.h> #include <arch/interrupts.h> #define DEBUG_SIG 0 @@ -40,11 +41,8 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) -/* Caller before callee in this file; other callee is in assembler */ -void do_signal(struct pt_regs *regs); - long _sys_sigaltstack(const stack_t __user *uss, - stack_t __user *uoss, struct pt_regs *regs) + stack_t __user *uoss, struct pt_regs *regs) { return do_sigaltstack(uss, uoss, regs->sp); } @@ -65,7 +63,7 @@ int restore_sigcontext(struct pt_regs *regs, for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i) err |= __get_user(((long *)regs)[i], - &((long *)(&sc->regs))[i]); + &((long __user *)(&sc->regs))[i]); regs->faultnum = INT_SWINT_1_SIGRETURN; @@ -73,7 +71,8 @@ int restore_sigcontext(struct pt_regs *regs, return err; } -int _sys_rt_sigreturn(struct pt_regs *regs) +/* sigreturn() returns long since it restores r0 in the interrupted code. */ +long _sys_rt_sigreturn(struct pt_regs *regs) { struct rt_sigframe __user *frame = (struct rt_sigframe __user *)(regs->sp); @@ -114,7 +113,7 @@ int setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs) for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i) err |= __put_user(((long *)regs)[i], - &((long *)(&sc->regs))[i]); + &((long __user *)(&sc->regs))[i]); return err; } @@ -137,7 +136,7 @@ static inline void __user *get_sigframe(struct k_sigaction *ka, * will die with SIGSEGV. */ if (on_sig_stack(sp) && !likely(on_sig_stack(sp - frame_size))) - return (void __user *) -1L; + return (void __user __force *)-1UL; /* This is the X/Open sanctioned signal stack switching. */ if (ka->sa.sa_flags & SA_ONSTACK) { @@ -185,8 +184,8 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Create the ucontext. */ err |= __clear_user(&frame->save_area, sizeof(frame->save_area)); err |= __put_user(0, &frame->uc.uc_flags); - err |= __put_user(0, &frame->uc.uc_link); - err |= __put_user((void *)(current->sas_ss_sp), + err |= __put_user(NULL, &frame->uc.uc_link); + err |= __put_user((void __user *)(current->sas_ss_sp), &frame->uc.uc_stack.ss_sp); err |= __put_user(sas_ss_flags(regs->sp), &frame->uc.uc_stack.ss_flags); |