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authorIngo Molnar <mingo@elte.hu>2009-10-29 09:02:15 +0100
committerIngo Molnar <mingo@elte.hu>2009-10-29 09:02:20 +0100
commit9de09ace8d518141a4375e1d216ab64db4377799 (patch)
treeda8e7a77f4ea91eb3bb73fc6da72ecf8c99e1c16 /arch/parisc/kernel/syscall.S
parent1beee96bae0daf7f491356777c3080cc436950f5 (diff)
parent6d3f1e12f46a2f9a1bb7e7aa433df8dd31ce5647 (diff)
downloadop-kernel-dev-9de09ace8d518141a4375e1d216ab64db4377799.zip
op-kernel-dev-9de09ace8d518141a4375e1d216ab64db4377799.tar.gz
Merge branch 'tracing/urgent' into tracing/core
Merge reason: Pick up fixes and move base from -rc1 to -rc5. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/parisc/kernel/syscall.S')
-rw-r--r--arch/parisc/kernel/syscall.S22
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S
index 59fc1a43..f5f9602 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)
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