diff options
Diffstat (limited to 'arch/parisc/kernel/syscall.S')
| -rw-r--r-- | arch/parisc/kernel/syscall.S | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 59fc1a43ec3e..f5f96021caa0 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -288,18 +288,23 @@ tracesys: STREG %r18,PT_GR18(%r2) /* Finished saving things for the debugger */ - ldil L%syscall_trace,%r1 + copy %r2,%r26 + ldil L%do_syscall_trace_enter,%r1 ldil L%tracesys_next,%r2 - be R%syscall_trace(%sr7,%r1) + be R%do_syscall_trace_enter(%sr7,%r1) ldo R%tracesys_next(%r2),%r2 -tracesys_next: +tracesys_next: + /* do_syscall_trace_enter either returned the syscallno, or -1L, + * so we skip restoring the PT_GR20 below, since we pulled it from + * task->thread.regs.gr[20] above. + */ + copy %ret0,%r20 ldil L%sys_call_table,%r1 ldo R%sys_call_table(%r1), %r19 ldo -THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 /* get task ptr */ LDREG TI_TASK(%r1), %r1 - LDREG TASK_PT_GR20(%r1), %r20 LDREG TASK_PT_GR26(%r1), %r26 /* Restore the users args */ LDREG TASK_PT_GR25(%r1), %r25 LDREG TASK_PT_GR24(%r1), %r24 @@ -336,7 +341,8 @@ tracesys_exit: #ifdef CONFIG_64BIT ldo -16(%r30),%r29 /* Reference param save area */ #endif - bl syscall_trace, %r2 + ldo TASK_REGS(%r1),%r26 + bl do_syscall_trace_exit,%r2 STREG %r28,TASK_PT_GR28(%r1) /* save return value now */ ldo -THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 /* get task ptr */ LDREG TI_TASK(%r1), %r1 @@ -353,12 +359,12 @@ tracesys_exit: tracesys_sigexit: ldo -THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 /* get task ptr */ - LDREG 0(%r1), %r1 + LDREG TI_TASK(%r1), %r1 #ifdef CONFIG_64BIT ldo -16(%r30),%r29 /* Reference param save area */ #endif - bl syscall_trace, %r2 - nop + bl do_syscall_trace_exit,%r2 + ldo TASK_REGS(%r1),%r26 ldil L%syscall_exit_rfi,%r1 be,n R%syscall_exit_rfi(%sr7,%r1) |