diff options
Diffstat (limited to 'arch/mips/kernel/scall64-n32.S')
| -rw-r--r-- | arch/mips/kernel/scall64-n32.S | 78 |
1 files changed, 35 insertions, 43 deletions
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 6be6f702092..c1dbcda4b81 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -17,18 +17,12 @@ #include <asm/thread_info.h> #include <asm/unistd.h> -/* This duplicates the definition from <linux/sched.h> */ -#define PT_TRACESYS 0x00000002 /* tracing system calls */ - -/* This duplicates the definition from <asm/signal.h> */ -#define SIGILL 4 /* Illegal instruction (ANSI). */ - #ifndef CONFIG_MIPS32_O32 /* No O32, so define handle_sys here */ #define handle_sysn32 handle_sys #endif - .align 5 + .align 5 NESTED(handle_sysn32, PT_SIZE, sp) #ifndef CONFIG_MIPS32_O32 .set noat @@ -39,7 +33,7 @@ NESTED(handle_sysn32, PT_SIZE, sp) #endif dsubu t0, v0, __NR_N32_Linux # check syscall number - sltiu t0, t0, __NR_N32_Linux_syscalls + 1 + sltiu t0, t0, __NR_N32_Linux_syscalls + 1 #ifndef CONFIG_MIPS32_O32 ld t1, PT_EPC(sp) # skip syscall on return @@ -53,7 +47,7 @@ NESTED(handle_sysn32, PT_SIZE, sp) sd a3, PT_R26(sp) # save a3 for syscall restarting - li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT + li t1, _TIF_WORK_SYSCALL_ENTRY LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? and t0, t1, t0 bnez t0, n32_syscall_trace_entry @@ -70,18 +64,7 @@ NESTED(handle_sysn32, PT_SIZE, sp) sd t1, PT_R0(sp) # save it for syscall restarting 1: sd v0, PT_R2(sp) # result - local_irq_disable # make sure need_resched and - # signals dont change between - # sampling and return - LONG_L a2, TI_FLAGS($28) # current->work - li t0, _TIF_ALLWORK_MASK - and t0, a2, t0 - bnez t0, n32_syscall_exit_work - - j restore_partial - -n32_syscall_exit_work: - j syscall_exit_work_partial + j syscall_exit_partial /* ------------------------------------------------------------------------ */ @@ -89,8 +72,11 @@ n32_syscall_trace_entry: SAVE_STATIC move s0, t2 move a0, sp + daddiu a1, v0, __NR_N32_Linux jal syscall_trace_enter + bltz v0, 2f # seccomp failed? Skip syscall + move t0, s0 RESTORE_STATIC ld a0, PT_R4(sp) # Restore argument registers @@ -111,7 +97,7 @@ n32_syscall_trace_entry: sd t1, PT_R0(sp) # save it for syscall restarting 1: sd v0, PT_R2(sp) # result - j syscall_exit +2: j syscall_exit not_n32_scall: /* This is not an n32 compatibility syscall, pass it on to @@ -120,6 +106,7 @@ not_n32_scall: END(handle_sysn32) + .type sysn32_call_table, @object EXPORT(sysn32_call_table) PTR sys_read /* 6000 */ PTR sys_write @@ -134,8 +121,8 @@ EXPORT(sysn32_call_table) PTR sys_mprotect /* 6010 */ PTR sys_munmap PTR sys_brk - PTR sys_32_rt_sigaction - PTR sys_32_rt_sigprocmask + PTR compat_sys_rt_sigaction + PTR compat_sys_rt_sigprocmask PTR compat_sys_ioctl /* 6015 */ PTR sys_pread64 PTR sys_pwrite64 @@ -160,7 +147,7 @@ EXPORT(sysn32_call_table) PTR compat_sys_setitimer PTR sys_alarm PTR sys_getpid - PTR sys_32_sendfile + PTR compat_sys_sendfile PTR sys_socket /* 6040 */ PTR sys_connect PTR sys_accept @@ -176,20 +163,20 @@ EXPORT(sysn32_call_table) PTR sys_socketpair PTR compat_sys_setsockopt PTR sys_getsockopt - PTR sys_clone /* 6055 */ - PTR sys_fork - PTR sys32_execve + PTR __sys_clone /* 6055 */ + PTR __sys_fork + PTR compat_sys_execve PTR sys_exit PTR compat_sys_wait4 PTR sys_kill /* 6060 */ PTR sys_newuname PTR sys_semget PTR sys_semop - PTR sys_n32_semctl + PTR compat_sys_semctl PTR sys_shmdt /* 6065 */ PTR sys_msgget - PTR sys_n32_msgsnd - PTR sys_n32_msgrcv + PTR compat_sys_msgsnd + PTR compat_sys_msgrcv PTR compat_sys_msgctl PTR compat_sys_fcntl /* 6070 */ PTR sys_flock @@ -246,11 +233,11 @@ EXPORT(sysn32_call_table) PTR sys_getsid PTR sys_capget PTR sys_capset - PTR sys_32_rt_sigpending /* 6125 */ + PTR compat_sys_rt_sigpending /* 6125 */ PTR compat_sys_rt_sigtimedwait - PTR sys_32_rt_sigqueueinfo - PTR sysn32_rt_sigsuspend - PTR sys32_sigaltstack + PTR compat_sys_rt_sigqueueinfo + PTR compat_sys_rt_sigsuspend + PTR compat_sys_sigaltstack PTR compat_sys_utime /* 6130 */ PTR sys_mknod PTR sys_32_personality @@ -266,7 +253,7 @@ EXPORT(sysn32_call_table) PTR sys_sched_getscheduler PTR sys_sched_get_priority_max PTR sys_sched_get_priority_min - PTR sys_32_sched_rr_get_interval /* 6145 */ + PTR compat_sys_sched_rr_get_interval /* 6145 */ PTR sys_mlock PTR sys_munlock PTR sys_mlockall @@ -296,7 +283,7 @@ EXPORT(sysn32_call_table) PTR sys_quotactl PTR sys_ni_syscall /* was nfsservctl */ PTR sys_ni_syscall /* res. for getpmsg */ - PTR sys_ni_syscall /* 6175 for putpmsg */ + PTR sys_ni_syscall /* 6175 for putpmsg */ PTR sys_ni_syscall /* res. for afs_syscall */ PTR sys_ni_syscall /* res. for security */ PTR sys_gettid @@ -315,7 +302,7 @@ EXPORT(sysn32_call_table) PTR sys_fremovexattr PTR sys_tkill PTR sys_ni_syscall - PTR sys_32_futex + PTR compat_sys_futex PTR compat_sys_sched_setaffinity /* 6195 */ PTR compat_sys_sched_getaffinity PTR sys_cacheflush @@ -408,19 +395,19 @@ EXPORT(sysn32_call_table) PTR sys_timerfd_create PTR compat_sys_timerfd_gettime /* 6285 */ PTR compat_sys_timerfd_settime - PTR sys_signalfd4 + PTR compat_sys_signalfd4 PTR sys_eventfd2 PTR sys_epoll_create1 PTR sys_dup3 /* 6290 */ PTR sys_pipe2 PTR sys_inotify_init1 - PTR sys_preadv - PTR sys_pwritev + PTR compat_sys_preadv + PTR compat_sys_pwritev PTR compat_sys_rt_tgsigqueueinfo /* 6295 */ PTR sys_perf_event_open PTR sys_accept4 - PTR compat_sys_recvmmsg - PTR sys_getdents64 + PTR compat_sys_recvmmsg + PTR sys_getdents64 PTR sys_fanotify_init /* 6300 */ PTR sys_fanotify_mark PTR sys_prlimit64 @@ -432,4 +419,9 @@ EXPORT(sysn32_call_table) PTR sys_setns PTR compat_sys_process_vm_readv PTR compat_sys_process_vm_writev /* 6310 */ + PTR sys_kcmp + PTR sys_finit_module + PTR sys_sched_setattr + PTR sys_sched_getattr + PTR sys_renameat2 /* 6315 */ .size sysn32_call_table,.-sysn32_call_table |