sh: syscall auditing for sh5, too.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index 0f65bb4..dbf2d76 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -942,9 +942,6 @@
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 @@
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 @@
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
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index e9cc6eb..f6fbdfa 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -1,12 +1,8 @@
/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh64/kernel/ptrace.c
+ * arch/sh/kernel/ptrace_64.c
*
* Copyright (C) 2000, 2001 Paolo Alberelli
- * Copyright (C) 2003 Paul Mundt
+ * Copyright (C) 2003 - 2007 Paul Mundt
*
* Started from SH3/4 version:
* SuperH version: Copyright (C) 1999, 2000 Kaz Kojima & Niibe Yutaka
@@ -15,8 +11,10 @@
* By Ross Biro 1/23/92
* edited by Linus Torvalds
*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
*/
-
#include <linux/kernel.h>
#include <linux/rwsem.h>
#include <linux/sched.h>
@@ -28,7 +26,7 @@
#include <linux/user.h>
#include <linux/signal.h>
#include <linux/syscalls.h>
-
+#include <linux/audit.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
@@ -274,17 +272,23 @@
return sys_ptrace(request, pid, addr, data);
}
-asmlinkage void syscall_trace(void)
+asmlinkage void syscall_trace(struct pt_regs *regs, int entryexit)
{
struct task_struct *tsk = current;
- if (!test_thread_flag(TIF_SYSCALL_TRACE))
- return;
- if (!(tsk->ptrace & PT_PTRACED))
- return;
+ if (unlikely(current->audit_context) && entryexit)
+ audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]),
+ regs->regs[9]);
- ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
- ? 0x80 : 0));
+ if (!test_thread_flag(TIF_SYSCALL_TRACE) &&
+ !test_thread_flag(TIF_SINGLESTEP))
+ goto out;
+ if (!(tsk->ptrace & PT_PTRACED))
+ goto out;
+
+ ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) &&
+ !test_thread_flag(TIF_SINGLESTEP) ? 0x80 : 0));
+
/*
* this isn't the same as continuing with a signal, but it will do
* for normal use. strace only continues with a signal if the
@@ -294,6 +298,12 @@
send_sig(tsk->exit_code, tsk, 1);
tsk->exit_code = 0;
}
+
+out:
+ if (unlikely(current->audit_context) && !entryexit)
+ audit_syscall_entry(AUDIT_ARCH_SH, regs->regs[1],
+ regs->regs[2], regs->regs[3],
+ regs->regs[4], regs->regs[5]);
}
/* Called with interrupts disabled */