diff options
Diffstat (limited to 'arch/s390/kernel/compat_linux.h')
| -rw-r--r-- | arch/s390/kernel/compat_linux.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h new file mode 100644 index 00000000..9635d759 --- /dev/null +++ b/arch/s390/kernel/compat_linux.h @@ -0,0 +1,227 @@ +#ifndef _ASM_S390X_S390_H +#define _ASM_S390X_S390_H + +#include <linux/compat.h> +#include <linux/socket.h> +#include <linux/syscalls.h> + +/* Macro that masks the high order bit of an 32 bit pointer and converts it*/ +/* to a 64 bit pointer */ +#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL)) +#define AA(__x) \ + ((unsigned long)(__x)) + +/* Now 32bit compatibility types */ +struct ipc_kludge_32 { + __u32 msgp; /* pointer */ + __s32 msgtyp; +}; + +struct old_sigaction32 { + __u32 sa_handler; /* Really a pointer, but need to deal with 32 bits */ + compat_old_sigset_t sa_mask; /* A 32 bit mask */ + __u32 sa_flags; + __u32 sa_restorer; /* Another 32 bit pointer */ +}; + +typedef struct compat_siginfo { + int si_signo; + int si_errno; + int si_code; + + union { + int _pad[((128/sizeof(int)) - 3)]; + + /* kill() */ + struct { + pid_t _pid; /* sender's pid */ + uid_t _uid; /* sender's uid */ + } _kill; + + /* POSIX.1b timers */ + struct { + compat_timer_t _tid; /* timer id */ + int _overrun; /* overrun count */ + compat_sigval_t _sigval; /* same as below */ + int _sys_private; /* not to be passed to user */ + } _timer; + + /* POSIX.1b signals */ + struct { + pid_t _pid; /* sender's pid */ + uid_t _uid; /* sender's uid */ + compat_sigval_t _sigval; + } _rt; + + /* SIGCHLD */ + struct { + pid_t _pid; /* which child */ + uid_t _uid; /* sender's uid */ + int _status;/* exit code */ + compat_clock_t _utime; + compat_clock_t _stime; + } _sigchld; + + /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ + struct { + __u32 _addr; /* faulting insn/memory ref. - pointer */ + } _sigfault; + + /* SIGPOLL */ + struct { + int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ + int _fd; + } _sigpoll; + } _sifields; +} compat_siginfo_t; + +/* + * How these fields are to be accessed. + */ +#define si_pid _sifields._kill._pid +#define si_uid _sifields._kill._uid +#define si_status _sifields._sigchld._status +#define si_utime _sifields._sigchld._utime +#define si_stime _sifields._sigchld._stime +#define si_value _sifields._rt._sigval +#define si_int _sifields._rt._sigval.sival_int +#define si_ptr _sifields._rt._sigval.sival_ptr +#define si_addr _sifields._sigfault._addr +#define si_band _sifields._sigpoll._band +#define si_fd _sifields._sigpoll._fd +#define si_tid _sifields._timer._tid +#define si_overrun _sifields._timer._overrun + +/* asm/sigcontext.h */ +typedef union +{ + __u64 d; + __u32 f; +} freg_t32; + +typedef struct +{ + unsigned int fpc; + freg_t32 fprs[__NUM_FPRS]; +} _s390_fp_regs32; + +typedef struct +{ + __u32 mask; + __u32 addr; +} _psw_t32 __attribute__ ((aligned(8))); + +typedef struct +{ + _psw_t32 psw; + __u32 gprs[__NUM_GPRS]; + __u32 acrs[__NUM_ACRS]; +} _s390_regs_common32; + +typedef struct +{ + _s390_regs_common32 regs; + _s390_fp_regs32 fpregs; +} _sigregs32; + +#define _SIGCONTEXT_NSIG32 64 +#define _SIGCONTEXT_NSIG_BPW32 32 +#define __SIGNAL_FRAMESIZE32 96 +#define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2) + +struct sigcontext32 +{ + __u32 oldmask[_COMPAT_NSIG_WORDS]; + __u32 sregs; /* pointer */ +}; + +/* asm/signal.h */ +struct sigaction32 { + __u32 sa_handler; /* pointer */ + __u32 sa_flags; + __u32 sa_restorer; /* pointer */ + compat_sigset_t sa_mask; /* mask last for extensibility */ +}; + +typedef struct { + __u32 ss_sp; /* pointer */ + int ss_flags; + compat_size_t ss_size; +} stack_t32; + +/* asm/ucontext.h */ +struct ucontext32 { + __u32 uc_flags; + __u32 uc_link; /* pointer */ + stack_t32 uc_stack; + _sigregs32 uc_mcontext; + compat_sigset_t uc_sigmask; /* mask last for extensibility */ +}; + +struct stat64_emu31; +struct mmap_arg_struct_emu31; +struct fadvise64_64_args; +struct old_sigaction32; +struct old_sigaction32; + +long sys32_chown16(const char __user * filename, u16 user, u16 group); +long sys32_lchown16(const char __user * filename, u16 user, u16 group); +long sys32_fchown16(unsigned int fd, u16 user, u16 group); +long sys32_setregid16(u16 rgid, u16 egid); +long sys32_setgid16(u16 gid); +long sys32_setreuid16(u16 ruid, u16 euid); +long sys32_setuid16(u16 uid); +long sys32_setresuid16(u16 ruid, u16 euid, u16 suid); +long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid); +long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid); +long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid); +long sys32_setfsuid16(u16 uid); +long sys32_setfsgid16(u16 gid); +long sys32_getgroups16(int gidsetsize, u16 __user *grouplist); +long sys32_setgroups16(int gidsetsize, u16 __user *grouplist); +long sys32_getuid16(void); +long sys32_geteuid16(void); +long sys32_getgid16(void); +long sys32_getegid16(void); +long sys32_ipc(u32 call, int first, int second, int third, u32 ptr); +long sys32_truncate64(const char __user * path, unsigned long high, + unsigned long low); +long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low); +long sys32_sched_rr_get_interval(compat_pid_t pid, + struct compat_timespec __user *interval); +long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, + compat_sigset_t __user *oset, size_t sigsetsize); +long sys32_rt_sigpending(compat_sigset_t __user *set, size_t sigsetsize); +long sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo); +long sys32_execve(const char __user *name, compat_uptr_t __user *argv, + compat_uptr_t __user *envp); +long sys32_init_module(void __user *umod, unsigned long len, + const char __user *uargs); +long sys32_delete_module(const char __user *name_user, unsigned int flags); +long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count, + u32 poshi, u32 poslo); +long sys32_pwrite64(unsigned int fd, const char __user *ubuf, + size_t count, u32 poshi, u32 poslo); +compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count); +long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, + size_t count); +long sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset, + s32 count); +long sys32_stat64(const char __user * filename, struct stat64_emu31 __user * statbuf); +long sys32_lstat64(const char __user * filename, + struct stat64_emu31 __user * statbuf); +long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf); +long sys32_fstatat64(unsigned int dfd, const char __user *filename, + struct stat64_emu31 __user* statbuf, int flag); +unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg); +long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg); +long sys32_read(unsigned int fd, char __user * buf, size_t count); +long sys32_write(unsigned int fd, const char __user * buf, size_t count); +long sys32_fadvise64(int fd, loff_t offset, size_t len, int advise); +long sys32_fadvise64_64(struct fadvise64_64_args __user *args); +long sys32_sigaction(int sig, const struct old_sigaction32 __user *act, + struct old_sigaction32 __user *oact); +long sys32_rt_sigaction(int sig, const struct sigaction32 __user *act, + struct sigaction32 __user *oact, size_t sigsetsize); +long sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss); +#endif /* _ASM_S390X_S390_H */ |