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sh: syscall audit support.

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Support syscall auditing..

Signed-off-by: Yuichi Nakamura <ynakam@hitachisoft.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Yuichi Nakamura
2007-11-10 19:21:34 +09:00
committed by Paul Mundt
parent 12760cb4df
commit 1322b9def9
4 changed files with 26 additions and 7 deletions
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8
arch/sh/kernel/entry-common.S
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@@ -224,7 +224,7 @@ work_resched:
syscall_exit_work:
! r0: current_thread_info->flags
! r8: current_thread_info
tst #_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP, r0
tst #_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT, r0
bt/s work_pending
tst #_TIF_NEED_RESCHED, r0
#ifdef CONFIG_TRACE_IRQFLAGS
@@ -234,6 +234,8 @@ syscall_exit_work:
#endif
sti
! XXX setup arguments...
mov r15, r4
mov #1, r5
mov.l 4f, r0 ! do_syscall_trace
jsr @r0
nop
@@ -244,6 +246,8 @@ syscall_exit_work:
syscall_trace_entry:
! Yes it is traced.
! XXX setup arguments...
mov r15, r4
mov #0, r5
mov.l 4f, r11 ! Call do_syscall_trace which notifies
jsr @r11 ! superior (will chomp R[0-7])
nop
@@ -366,7 +370,7 @@ ENTRY(system_call)
!
get_current_thread_info r8, r10
mov.l @(TI_FLAGS,r8), r8
mov #_TIF_SYSCALL_TRACE, r10
mov #(_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT), r10
tst r10, r8
bf syscall_trace_entry
!