diff options
Diffstat (limited to 'arch/mips/kernel/linux32.c')
| -rw-r--r-- | arch/mips/kernel/linux32.c | 164 |
1 files changed, 96 insertions, 68 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index ece4564919d8..330cf84d21fe 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -215,81 +215,32 @@ sys32_readdir(unsigned int fd, void * dirent32, unsigned int count) return(n); } -struct rusage32 { - struct compat_timeval ru_utime; - struct compat_timeval ru_stime; - int ru_maxrss; - int ru_ixrss; - int ru_idrss; - int ru_isrss; - int ru_minflt; - int ru_majflt; - int ru_nswap; - int ru_inblock; - int ru_oublock; - int ru_msgsnd; - int ru_msgrcv; - int ru_nsignals; - int ru_nvcsw; - int ru_nivcsw; -}; - -static int -put_rusage (struct rusage32 *ru, struct rusage *r) +asmlinkage int +sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options) { - int err; - - if (!access_ok(VERIFY_WRITE, ru, sizeof *ru)) - return -EFAULT; - - err = __put_user (r->ru_utime.tv_sec, &ru->ru_utime.tv_sec); - err |= __put_user (r->ru_utime.tv_usec, &ru->ru_utime.tv_usec); - err |= __put_user (r->ru_stime.tv_sec, &ru->ru_stime.tv_sec); - err |= __put_user (r->ru_stime.tv_usec, &ru->ru_stime.tv_usec); - err |= __put_user (r->ru_maxrss, &ru->ru_maxrss); - err |= __put_user (r->ru_ixrss, &ru->ru_ixrss); - err |= __put_user (r->ru_idrss, &ru->ru_idrss); - err |= __put_user (r->ru_isrss, &ru->ru_isrss); - err |= __put_user (r->ru_minflt, &ru->ru_minflt); - err |= __put_user (r->ru_majflt, &ru->ru_majflt); - err |= __put_user (r->ru_nswap, &ru->ru_nswap); - err |= __put_user (r->ru_inblock, &ru->ru_inblock); - err |= __put_user (r->ru_oublock, &ru->ru_oublock); - err |= __put_user (r->ru_msgsnd, &ru->ru_msgsnd); - err |= __put_user (r->ru_msgrcv, &ru->ru_msgrcv); - err |= __put_user (r->ru_nsignals, &ru->ru_nsignals); - err |= __put_user (r->ru_nvcsw, &ru->ru_nvcsw); - err |= __put_user (r->ru_nivcsw, &ru->ru_nivcsw); - - return err; + return compat_sys_wait4(pid, stat_addr, options, NULL); } -asmlinkage int -sys32_wait4(compat_pid_t pid, unsigned int * stat_addr, int options, - struct rusage32 * ru) +asmlinkage long +sysn32_waitid(int which, compat_pid_t pid, + siginfo_t __user *uinfo, int options, + struct compat_rusage __user *uru) { - if (!ru) - return sys_wait4(pid, stat_addr, options, NULL); - else { - struct rusage r; - int ret; - unsigned int status; - mm_segment_t old_fs = get_fs(); + struct rusage ru; + long ret; + mm_segment_t old_fs = get_fs(); - set_fs(KERNEL_DS); - ret = sys_wait4(pid, stat_addr ? &status : NULL, options, &r); - set_fs(old_fs); - if (put_rusage (ru, &r)) return -EFAULT; - if (stat_addr && put_user (status, stat_addr)) - return -EFAULT; + set_fs (KERNEL_DS); + ret = sys_waitid(which, pid, uinfo, options, + uru ? (struct rusage __user *) &ru : NULL); + set_fs (old_fs); + + if (ret < 0 || uinfo->si_signo == 0) return ret; - } -} -asmlinkage int -sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options) -{ - return sys32_wait4(pid, stat_addr, options, NULL); + if (uru) + ret = put_compat_rusage(&ru, uru); + return ret; } struct sysinfo32 { @@ -1467,3 +1418,80 @@ asmlinkage long sys32_socketcall(int call, unsigned int *args32) } return err; } + +struct sigevent32 { + u32 sigev_value; + u32 sigev_signo; + u32 sigev_notify; + u32 payload[(64 / 4) - 3]; +}; + +extern asmlinkage long +sys_timer_create(clockid_t which_clock, + struct sigevent __user *timer_event_spec, + timer_t __user * created_timer_id); + +long +sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *timer_id) +{ + struct sigevent __user *p = NULL; + if (se32) { + struct sigevent se; + p = compat_alloc_user_space(sizeof(struct sigevent)); + memset(&se, 0, sizeof(struct sigevent)); + if (get_user(se.sigev_value.sival_int, &se32->sigev_value) || + __get_user(se.sigev_signo, &se32->sigev_signo) || + __get_user(se.sigev_notify, &se32->sigev_notify) || + __copy_from_user(&se._sigev_un._pad, &se32->payload, + sizeof(se32->payload)) || + copy_to_user(p, &se, sizeof(se))) + return -EFAULT; + } + return sys_timer_create(clock, p, timer_id); +} + +asmlinkage long +sysn32_rt_sigtimedwait(const sigset_t __user *uthese, + siginfo_t __user *uinfo, + const struct compat_timespec __user *uts32, + size_t sigsetsize) +{ + struct timespec __user *uts = NULL; + + if (uts32) { + struct timespec ts; + uts = compat_alloc_user_space(sizeof(struct timespec)); + if (get_user(ts.tv_sec, &uts32->tv_sec) || + get_user(ts.tv_nsec, &uts32->tv_nsec) || + copy_to_user (uts, &ts, sizeof (ts))) + return -EFAULT; + } + return sys_rt_sigtimedwait(uthese, uinfo, uts, sigsetsize); +} + +save_static_function(sys32_clone); +__attribute_used__ noinline static int +_sys32_clone(nabi_no_regargs struct pt_regs regs) +{ + unsigned long clone_flags; + unsigned long newsp; + int __user *parent_tidptr, *child_tidptr; + + clone_flags = regs.regs[4]; + newsp = regs.regs[5]; + if (!newsp) + newsp = regs.regs[29]; + parent_tidptr = (int *) regs.regs[6]; + + /* Use __dummy4 instead of getting it off the stack, so that + syscall() works. */ + child_tidptr = (int __user *) __dummy4; + return do_fork(clone_flags, newsp, ®s, 0, + parent_tidptr, child_tidptr); +} + +extern asmlinkage void sys_set_thread_area(u32 addr); +asmlinkage void sys32_set_thread_area(u32 addr) +{ + sys_set_thread_area(AA(addr)); +} |