From 86d295e1cc59b42d0d2f9fb5f7ff9b1894f90e0c Mon Sep 17 00:00:00 2001 From: Heiko Carstens Date: Thu, 27 Feb 2014 15:16:04 +0100 Subject: [PATCH] s390/compat: convert system call wrappers to C part 05 Signed-off-by: Heiko Carstens --- arch/s390/kernel/compat_wrap.c | 11 +++++++ arch/s390/kernel/compat_wrapper.S | 55 ------------------------------- arch/s390/kernel/entry.h | 2 ++ arch/s390/kernel/syscalls.S | 20 +++++------ 4 files changed, 23 insertions(+), 65 deletions(-) diff --git a/arch/s390/kernel/compat_wrap.c b/arch/s390/kernel/compat_wrap.c index f2b85401a998..558a1d485aa9 100644 --- a/arch/s390/kernel/compat_wrap.c +++ b/arch/s390/kernel/compat_wrap.c @@ -1,5 +1,6 @@ #include #include +#include "entry.h" #define COMPAT_SYSCALL_WRAP1(name, ...) \ COMPAT_SYSCALL_WRAPx(1, _##name, __VA_ARGS__) @@ -63,3 +64,13 @@ COMPAT_SYSCALL_WRAP1(swapoff, const char __user *, specialfile); COMPAT_SYSCALL_WRAP1(fsync, unsigned int, fd); COMPAT_SYSCALL_WRAP2(setdomainname, char __user *, name, int, len); COMPAT_SYSCALL_WRAP1(newuname, struct new_utsname __user *, name); +COMPAT_SYSCALL_WRAP3(mprotect, compat_ulong_t, start, compat_size_t, len, compat_ulong_t, prot); +COMPAT_SYSCALL_WRAP3(init_module, void __user *, umod, compat_ulong_t, len, const char __user *, uargs); +COMPAT_SYSCALL_WRAP2(delete_module, const char __user *, name_user, unsigned int, flags); +COMPAT_SYSCALL_WRAP4(quotactl, unsigned int, cmd, const char __user *, special, qid_t, id, void __user *, addr); +COMPAT_SYSCALL_WRAP1(getpgid, compat_pid_t, pid); +COMPAT_SYSCALL_WRAP1(fchdir, unsigned int, fd); +COMPAT_SYSCALL_WRAP2(bdflush, int, func, compat_long_t, data); +COMPAT_SYSCALL_WRAP3(sysfs, int, option, compat_ulong_t, arg1, compat_ulong_t, arg2); +COMPAT_SYSCALL_WRAP1(s390_personality, unsigned int, personality); +COMPAT_SYSCALL_WRAP5(llseek, unsigned int, fd, u32, high, u32, low, loff_t __user *, result, unsigned int, whence); diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 3ea908f563f6..78b78991257b 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -128,61 +128,6 @@ ENTRY(compat_sys_adjtimex_wrapper) llgtr %r2,%r2 # struct compat_timex * jg compat_sys_adjtimex # branch to system call -ENTRY(sys32_mprotect_wrapper) - llgtr %r2,%r2 # unsigned long (actually pointer - llgfr %r3,%r3 # size_t - llgfr %r4,%r4 # unsigned long - jg sys_mprotect # branch to system call - -ENTRY(sys_init_module_wrapper) - llgtr %r2,%r2 # void * - llgfr %r3,%r3 # unsigned long - llgtr %r4,%r4 # char * - jg sys_init_module # branch to system call - -ENTRY(sys_delete_module_wrapper) - llgtr %r2,%r2 # const char * - llgfr %r3,%r3 # unsigned int - jg sys_delete_module # branch to system call - -ENTRY(sys32_quotactl_wrapper) - llgfr %r2,%r2 # unsigned int - llgtr %r3,%r3 # const char * - llgfr %r4,%r4 # qid_t - llgtr %r5,%r5 # caddr_t - jg sys_quotactl # branch to system call - -ENTRY(sys32_getpgid_wrapper) - lgfr %r2,%r2 # pid_t - jg sys_getpgid # branch to system call - -ENTRY(sys32_fchdir_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_fchdir # branch to system call - -ENTRY(sys32_bdflush_wrapper) - lgfr %r2,%r2 # int - lgfr %r3,%r3 # long - jg sys_bdflush # branch to system call - -ENTRY(sys32_sysfs_wrapper) - lgfr %r2,%r2 # int - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - jg sys_sysfs # branch to system call - -ENTRY(sys32_personality_wrapper) - llgfr %r2,%r2 # unsigned int - jg sys_s390_personality # branch to system call - -ENTRY(sys32_llseek_wrapper) - llgfr %r2,%r2 # unsigned int - llgfr %r3,%r3 # unsigned long - llgfr %r4,%r4 # unsigned long - llgtr %r5,%r5 # loff_t * - llgfr %r6,%r6 # unsigned int - jg sys_llseek # branch to system call - ENTRY(sys32_getdents_wrapper) llgfr %r2,%r2 # unsigned int llgtr %r3,%r3 # void * diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h index cb533f78c09e..8c6c022aeb71 100644 --- a/arch/s390/kernel/entry.h +++ b/arch/s390/kernel/entry.h @@ -72,4 +72,6 @@ long sys_rt_sigreturn(void); long sys32_sigreturn(void); long sys32_rt_sigreturn(void); +long sys_s390_personality(unsigned int personality); + #endif /* _ENTRY_H */ diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 4cf5a52de2ba..88c85e4300aa 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -133,22 +133,22 @@ SYSCALL(sys_setdomainname,sys_setdomainname,compat_sys_setdomainname) SYSCALL(sys_newuname,sys_newuname,compat_sys_newuname) NI_SYSCALL /* modify_ldt for i386 */ SYSCALL(sys_adjtimex,sys_adjtimex,compat_sys_adjtimex_wrapper) -SYSCALL(sys_mprotect,sys_mprotect,sys32_mprotect_wrapper) /* 125 */ +SYSCALL(sys_mprotect,sys_mprotect,compat_sys_mprotect) /* 125 */ SYSCALL(sys_sigprocmask,sys_sigprocmask,compat_sys_sigprocmask) NI_SYSCALL /* old "create module" */ -SYSCALL(sys_init_module,sys_init_module,sys_init_module_wrapper) -SYSCALL(sys_delete_module,sys_delete_module,sys_delete_module_wrapper) +SYSCALL(sys_init_module,sys_init_module,compat_sys_init_module) +SYSCALL(sys_delete_module,sys_delete_module,compat_sys_delete_module) NI_SYSCALL /* 130: old get_kernel_syms */ -SYSCALL(sys_quotactl,sys_quotactl,sys32_quotactl_wrapper) -SYSCALL(sys_getpgid,sys_getpgid,sys32_getpgid_wrapper) -SYSCALL(sys_fchdir,sys_fchdir,sys32_fchdir_wrapper) -SYSCALL(sys_bdflush,sys_bdflush,sys32_bdflush_wrapper) -SYSCALL(sys_sysfs,sys_sysfs,sys32_sysfs_wrapper) /* 135 */ -SYSCALL(sys_personality,sys_s390_personality,sys32_personality_wrapper) +SYSCALL(sys_quotactl,sys_quotactl,compat_sys_quotactl) +SYSCALL(sys_getpgid,sys_getpgid,compat_sys_getpgid) +SYSCALL(sys_fchdir,sys_fchdir,compat_sys_fchdir) +SYSCALL(sys_bdflush,sys_bdflush,compat_sys_bdflush) +SYSCALL(sys_sysfs,sys_sysfs,compat_sys_sysfs) /* 135 */ +SYSCALL(sys_personality,sys_s390_personality,compat_sys_s390_personality) NI_SYSCALL /* for afs_syscall */ SYSCALL(sys_setfsuid16,sys_ni_syscall,compat_sys_s390_setfsuid16) /* old setfsuid16 syscall */ SYSCALL(sys_setfsgid16,sys_ni_syscall,compat_sys_s390_setfsgid16) /* old setfsgid16 syscall */ -SYSCALL(sys_llseek,sys_llseek,sys32_llseek_wrapper) /* 140 */ +SYSCALL(sys_llseek,sys_llseek,compat_sys_llseek) /* 140 */ SYSCALL(sys_getdents,sys_getdents,sys32_getdents_wrapper) SYSCALL(sys_select,sys_select,compat_sys_select_wrapper) SYSCALL(sys_flock,sys_flock,sys32_flock_wrapper) -- 2.34.1