diff options
Diffstat (limited to 'arch/s390/kernel/entry.S')
| -rw-r--r-- | arch/s390/kernel/entry.S | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 1a434a7004ee..d8948c342caf 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -228,8 +228,9 @@ sysc_do_svc: sysc_nr_ok: mvc SP_ARGS(4,%r15),SP_R7(%r15) sysc_do_restart: + l %r8,BASED(.Lsysc_table) tm __TI_flags+3(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT) - l %r8,sys_call_table-system_call(%r7,%r13) # get system call addr. + l %r8,0(%r7,%r8) # get system call addr. bnz BASED(sysc_tracesys) basr %r14,%r8 # call sys_xxxx st %r2,SP_R2(%r15) # store return value (change R2 on stack) @@ -330,9 +331,10 @@ sysc_tracesys: basr %r14,%r1 clc SP_R2(4,%r15),BASED(.Lnr_syscalls) bnl BASED(sysc_tracenogo) + l %r8,BASED(.Lsysc_table) l %r7,SP_R2(%r15) # strace might have changed the sll %r7,2 # system call - l %r8,sys_call_table-system_call(%r7,%r13) + l %r8,0(%r7,%r8) sysc_tracego: lm %r3,%r6,SP_R3(%r15) l %r2,SP_ORIG_R2(%r15) @@ -1009,6 +1011,7 @@ cleanup_io_leave_insn: .Ltrace: .long syscall_trace .Lvfork: .long sys_vfork .Lschedtail: .long schedule_tail +.Lsysc_table: .long sys_call_table .Lcritical_start: .long __critical_start + 0x80000000 @@ -1017,8 +1020,8 @@ cleanup_io_leave_insn: .Lcleanup_critical: .long cleanup_critical + .section .rodata, "a" #define SYSCALL(esa,esame,emu) .long esa sys_call_table: #include "syscalls.S" #undef SYSCALL - |