From 0ebe3eec1e38bb1253e7542b0e567f0478f7bf4f Mon Sep 17 00:00:00 2001 From: Heiko Carstens <heiko.carstens@de.ibm.com> Date: Thu, 27 Feb 2014 16:49:10 +0100 Subject: [PATCH] s390/compat: convert system call wrappers to C part 07 Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> --- arch/s390/kernel/compat_wrap.c | 10 +++++ arch/s390/kernel/compat_wrapper.S | 66 ------------------------------- arch/s390/kernel/syscalls.S | 20 +++++----- 3 files changed, 20 insertions(+), 76 deletions(-) diff --git a/arch/s390/kernel/compat_wrap.c b/arch/s390/kernel/compat_wrap.c index 60813d5c743d..2e132f998d63 100644 --- a/arch/s390/kernel/compat_wrap.c +++ b/arch/s390/kernel/compat_wrap.c @@ -84,3 +84,13 @@ COMPAT_SYSCALL_WRAP1(mlockall, int, flags); COMPAT_SYSCALL_WRAP2(sched_setparam, compat_pid_t, pid, struct sched_param __user *, param); COMPAT_SYSCALL_WRAP2(sched_getparam, compat_pid_t, pid, struct sched_param __user *, param); COMPAT_SYSCALL_WRAP3(sched_setscheduler, compat_pid_t, pid, int, policy, struct sched_param __user *, param); +COMPAT_SYSCALL_WRAP1(sched_getscheduler, compat_pid_t, pid); +COMPAT_SYSCALL_WRAP1(sched_get_priority_max, int, policy); +COMPAT_SYSCALL_WRAP1(sched_get_priority_min, int, policy); +COMPAT_SYSCALL_WRAP5(mremap, u32, addr, u32, old_len, u32, new_len, u32, flags, u32, new_addr); +COMPAT_SYSCALL_WRAP3(poll, struct pollfd __user *, ufds, unsigned int, nfds, int, timeout); +COMPAT_SYSCALL_WRAP5(prctl, int, option, u32, arg2, u32, arg3, u32, arg4, u32, arg5); +COMPAT_SYSCALL_WRAP2(getcwd, char __user *, buf, u32, size); +COMPAT_SYSCALL_WRAP2(capget, cap_user_header_t, header, cap_user_data_t, dataptr); +COMPAT_SYSCALL_WRAP2(capset, cap_user_header_t, header, const cap_user_data_t, data); +COMPAT_SYSCALL_WRAP3(lchown, const char __user *, filename, compat_uid_t, user, compat_gid_t, group); diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 707e37524d9f..ac12c0f1c983 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -154,77 +154,11 @@ ENTRY(compat_sys_writev_wrapper) llgfr %r4,%r4 # unsigned long jg compat_sys_writev # branch to system call -ENTRY(sys32_sched_getscheduler_wrapper) - lgfr %r2,%r2 # pid_t - jg sys_sched_getscheduler # branch to system call - -#sys32_sched_yield_wrapper # void - -ENTRY(sys32_sched_get_priority_max_wrapper) - lgfr %r2,%r2 # int - jg sys_sched_get_priority_max # branch to system call - -ENTRY(sys32_sched_get_priority_min_wrapper) - lgfr %r2,%r2 # int - jg sys_sched_get_priority_min # branch to system call - ENTRY(compat_sys_nanosleep_wrapper) llgtr %r2,%r2 # struct compat_timespec * llgtr %r3,%r3 # struct compat_timespec * jg compat_sys_nanosleep # branch to system call -ENTRY(sys32_mremap_wrapper) - llgfr %r2,%r2 # unsigned long - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - llgfr %r5,%r5 # unsigned long - llgfr %r6,%r6 # unsigned long - jg sys_mremap # branch to system call - -ENTRY(sys32_poll_wrapper) - llgtr %r2,%r2 # struct pollfd * - llgfr %r3,%r3 # unsigned int - lgfr %r4,%r4 # int - jg sys_poll # branch to system call - -ENTRY(sys32_prctl_wrapper) - lgfr %r2,%r2 # int - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - llgfr %r5,%r5 # unsigned long - llgfr %r6,%r6 # unsigned long - jg sys_prctl # branch to system call - -#sys32_rt_sigreturn_wrapper # done in rt_sigreturn_glue - -ENTRY(sys32_getcwd_wrapper) - llgtr %r2,%r2 # char * - llgfr %r3,%r3 # unsigned long - jg sys_getcwd # branch to system call - -ENTRY(sys32_capget_wrapper) - llgtr %r2,%r2 # cap_user_header_t - llgtr %r3,%r3 # cap_user_data_t - jg sys_capget # branch to system call - -ENTRY(sys32_capset_wrapper) - llgtr %r2,%r2 # cap_user_header_t - llgtr %r3,%r3 # const cap_user_data_t - jg sys_capset # branch to system call - -#sys32_vfork_wrapper # done in vfork_glue - -ENTRY(sys32_lchown_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # uid_t - llgfr %r4,%r4 # gid_t - jg sys_lchown # branch to system call - -#sys32_getuid_wrapper # void -#sys32_getgid_wrapper # void -#sys32_geteuid_wrapper # void -#sys32_getegid_wrapper # void - ENTRY(sys32_setreuid_wrapper) llgfr %r2,%r2 # uid_t llgfr %r3,%r3 # uid_t diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index c667bb13a4d7..775856a77645 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -165,22 +165,22 @@ SYSCALL(sys_munlockall,sys_munlockall,sys_munlockall) SYSCALL(sys_sched_setparam,sys_sched_setparam,compat_sys_sched_setparam) SYSCALL(sys_sched_getparam,sys_sched_getparam,compat_sys_sched_getparam) /* 155 */ SYSCALL(sys_sched_setscheduler,sys_sched_setscheduler,compat_sys_sched_setscheduler) -SYSCALL(sys_sched_getscheduler,sys_sched_getscheduler,sys32_sched_getscheduler_wrapper) +SYSCALL(sys_sched_getscheduler,sys_sched_getscheduler,compat_sys_sched_getscheduler) SYSCALL(sys_sched_yield,sys_sched_yield,sys_sched_yield) -SYSCALL(sys_sched_get_priority_max,sys_sched_get_priority_max,sys32_sched_get_priority_max_wrapper) -SYSCALL(sys_sched_get_priority_min,sys_sched_get_priority_min,sys32_sched_get_priority_min_wrapper) /* 160 */ +SYSCALL(sys_sched_get_priority_max,sys_sched_get_priority_max,compat_sys_sched_get_priority_max) +SYSCALL(sys_sched_get_priority_min,sys_sched_get_priority_min,compat_sys_sched_get_priority_min) /* 160 */ SYSCALL(sys_sched_rr_get_interval,sys_sched_rr_get_interval,compat_sys_sched_rr_get_interval) SYSCALL(sys_nanosleep,sys_nanosleep,compat_sys_nanosleep_wrapper) -SYSCALL(sys_mremap,sys_mremap,sys32_mremap_wrapper) +SYSCALL(sys_mremap,sys_mremap,compat_sys_mremap) SYSCALL(sys_setresuid16,sys_ni_syscall,compat_sys_s390_setresuid16) /* old setresuid16 syscall */ SYSCALL(sys_getresuid16,sys_ni_syscall,compat_sys_s390_getresuid16) /* 165 old getresuid16 syscall */ NI_SYSCALL /* for vm86 */ NI_SYSCALL /* old sys_query_module */ -SYSCALL(sys_poll,sys_poll,sys32_poll_wrapper) +SYSCALL(sys_poll,sys_poll,compat_sys_poll) NI_SYSCALL /* old nfsservctl */ SYSCALL(sys_setresgid16,sys_ni_syscall,compat_sys_s390_setresgid16) /* 170 old setresgid16 syscall */ SYSCALL(sys_getresgid16,sys_ni_syscall,compat_sys_s390_getresgid16) /* old getresgid16 syscall */ -SYSCALL(sys_prctl,sys_prctl,sys32_prctl_wrapper) +SYSCALL(sys_prctl,sys_prctl,compat_sys_prctl) SYSCALL(sys_rt_sigreturn,sys_rt_sigreturn,sys32_rt_sigreturn) SYSCALL(sys_rt_sigaction,sys_rt_sigaction,compat_sys_rt_sigaction) SYSCALL(sys_rt_sigprocmask,sys_rt_sigprocmask,compat_sys_rt_sigprocmask) /* 175 */ @@ -191,9 +191,9 @@ SYSCALL(sys_rt_sigsuspend,sys_rt_sigsuspend,compat_sys_rt_sigsuspend) SYSCALL(sys_pread64,sys_pread64,compat_sys_s390_pread64) /* 180 */ SYSCALL(sys_pwrite64,sys_pwrite64,compat_sys_s390_pwrite64) SYSCALL(sys_chown16,sys_ni_syscall,compat_sys_s390_chown16) /* old chown16 syscall */ -SYSCALL(sys_getcwd,sys_getcwd,sys32_getcwd_wrapper) -SYSCALL(sys_capget,sys_capget,sys32_capget_wrapper) -SYSCALL(sys_capset,sys_capset,sys32_capset_wrapper) /* 185 */ +SYSCALL(sys_getcwd,sys_getcwd,compat_sys_getcwd) +SYSCALL(sys_capget,sys_capget,compat_sys_capget) +SYSCALL(sys_capset,sys_capset,compat_sys_capset) /* 185 */ SYSCALL(sys_sigaltstack,sys_sigaltstack,compat_sys_sigaltstack) SYSCALL(sys_sendfile,sys_sendfile64,compat_sys_sendfile) NI_SYSCALL /* streams1 */ @@ -206,7 +206,7 @@ SYSCALL(sys_ftruncate64,sys_ni_syscall,compat_sys_s390_ftruncate64) SYSCALL(sys_stat64,sys_ni_syscall,compat_sys_s390_stat64) /* 195 */ SYSCALL(sys_lstat64,sys_ni_syscall,compat_sys_s390_lstat64) SYSCALL(sys_fstat64,sys_ni_syscall,compat_sys_s390_fstat64) -SYSCALL(sys_lchown,sys_lchown,sys32_lchown_wrapper) +SYSCALL(sys_lchown,sys_lchown,compat_sys_lchown) SYSCALL(sys_getuid,sys_getuid,sys_getuid) SYSCALL(sys_getgid,sys_getgid,sys_getgid) /* 200 */ SYSCALL(sys_geteuid,sys_geteuid,sys_geteuid) -- 2.20.1