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sh: syscall auditing for sh5, too.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2007-11-28 19:58:11 +09:00
parent c019fd8839
commit 4b27c47cf8
2 changed files with 31 additions and 19 deletions
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10
arch/sh/kernel/cpu/sh5/entry.S
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@ -942,9 +942,6 @@ ret_with_reschedule:
getcon KCR0, r6 ! r6 contains current_thread_info
ld.l r6, TI_FLAGS, r7 ! r7 contains current_thread_info->flags
! FIXME:!!!
! no handling of TIF_SYSCALL_TRACE yet!!
movi _TIF_NEED_RESCHED, r8
and r8, r7, r8
pta work_resched, tr0
@ -1280,14 +1277,17 @@ syscall_allowed:
getcon KCR0, r2
ld.l r2, TI_FLAGS, r4
movi (1 << TIF_SYSCALL_TRACE), r6
movi (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | _TIF_SYSCALL_AUDIT), r6
and r6, r4, r6
beq/l r6, ZERO, tr0
/* Trace it by calling syscall_trace before and after */
movi syscall_trace, r4
or SP, ZERO, r2
or ZERO, ZERO, r3
ptabs r4, tr0
blink tr0, LINK
/* Reload syscall number as r5 is trashed by syscall_trace */
ld.q SP, FRAME_S(FSYSCALL_ID), r5
andi r5, 0x1ff, r5
@ -1321,6 +1321,8 @@ syscall_ret_trace:
st.q SP, FRAME_R(9), r2 /* Save return value */
movi syscall_trace, LINK
or SP, ZERO, r2
movi 1, r3
ptabs LINK, tr0
blink tr0, LINK