m68knommu: convert to using tracehook_report_syscall_*

Break up syscall_trace() into separate entry and exit routines that use
tracehook_report_syscall_entry() and tracehook_report_syscall_exit().

Signed-off-by: Greg Ungerer <gerg@uclinux.org>

4 files changed, 19 insertions, 22 deletions

diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c
index a32e2de7829..6fe7c38cd55 100644
--- a/arch/m68knommu/kernel/ptrace.c
+++ b/arch/m68knommu/kernel/ptrace.c
@@ -18,6 +18,7 @@
 #include <linux/ptrace.h>
 #include <linux/user.h>
 #include <linux/signal.h>
+#include <linux/tracehook.h>
 
 #include <asm/uaccess.h>
 #include <asm/page.h>
@@ -241,21 +242,17 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
         return ret;
 }
 
-asmlinkage void syscall_trace(void)
+asmlinkage int syscall_trace_enter(void)
 {
-        if (!test_thread_flag(TIF_SYSCALL_TRACE))
-                return;
-        if (!(current->ptrace & PT_PTRACED))
-                return;
-        ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
-                                 ? 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
-         * stopping signal is not SIGTRAP.  -brl
-         */
-        if (current->exit_code) {
-                send_sig(current->exit_code, current, 1);
-                current->exit_code = 0;
-        }
+        int ret = 0;
+
+        if (test_thread_flag(TIF_SYSCALL_TRACE))
+                ret = tracehook_report_syscall_entry(task_pt_regs(current));
+        return ret;
+}
+
+asmlinkage void syscall_trace_leave(void)
+{
+        if (test_thread_flag(TIF_SYSCALL_TRACE))
+                tracehook_report_syscall_exit(task_pt_regs(current), 0);
 }
diff --git a/arch/m68knommu/platform/68328/entry.S b/arch/m68knommu/platform/68328/entry.S
index b3d8d736748..27241e16a52 100644
--- a/arch/m68knommu/platform/68328/entry.S
+++ b/arch/m68knommu/platform/68328/entry.S
@@ -46,7 +46,7 @@ do_trace:
         movel   #-ENOSYS,%sp@(PT_OFF_D0) /* needed for strace*/
         subql   #4,%sp
         SAVE_SWITCH_STACK
-        jbsr    syscall_trace
+        jbsr    syscall_trace_enter
         RESTORE_SWITCH_STACK
         addql   #4,%sp
         movel   %sp@(PT_OFF_ORIG_D0),%d1
@@ -60,7 +60,7 @@ do_trace:
 1:      movel   %d0,%sp@(PT_OFF_D0)     /* save the return value */
         subql   #4,%sp                  /* dummy return address */
         SAVE_SWITCH_STACK
-        jbsr    syscall_trace
+        jbsr    syscall_trace_leave
 
 ret_from_signal:
         RESTORE_SWITCH_STACK
diff --git a/arch/m68knommu/platform/68360/entry.S b/arch/m68knommu/platform/68360/entry.S
index 5c5047337f0..c131c6e1d92 100644
--- a/arch/m68knommu/platform/68360/entry.S
+++ b/arch/m68knommu/platform/68360/entry.S
@@ -42,7 +42,7 @@ do_trace:
         movel   #-ENOSYS,%sp@(PT_OFF_D0) /* needed for strace*/
         subql   #4,%sp
         SAVE_SWITCH_STACK
-        jbsr    syscall_trace
+        jbsr    syscall_trace_enter
         RESTORE_SWITCH_STACK
         addql   #4,%sp
         movel   %sp@(PT_OFF_ORIG_D0),%d1
@@ -56,7 +56,7 @@ do_trace:
 1:      movel   %d0,%sp@(PT_OFF_D0)     /* save the return value */
         subql   #4,%sp                  /* dummy return address */
         SAVE_SWITCH_STACK
-        jbsr    syscall_trace
+        jbsr    syscall_trace_leave
 
 ret_from_signal:
         RESTORE_SWITCH_STACK
diff --git a/arch/m68knommu/platform/coldfire/entry.S b/arch/m68knommu/platform/coldfire/entry.S
index dd7d591f70e..c8eb0e01e2e 100644
--- a/arch/m68knommu/platform/coldfire/entry.S
+++ b/arch/m68knommu/platform/coldfire/entry.S
@@ -88,7 +88,7 @@ ENTRY(system_call)
         movel   %d2,PT_OFF_D0(%sp)      /* on syscall entry */
         subql   #4,%sp
         SAVE_SWITCH_STACK
-        jbsr    syscall_trace
+        jbsr    syscall_trace_enter
         RESTORE_SWITCH_STACK
         addql   #4,%sp
         movel   %d3,%a0
@@ -96,7 +96,7 @@ ENTRY(system_call)
         movel   %d0,%sp@(PT_OFF_D0)             /* save the return value */
         subql   #4,%sp                  /* dummy return address */
         SAVE_SWITCH_STACK
-        jbsr    syscall_trace
+        jbsr    syscall_trace_leave
 
 ret_from_signal:
         RESTORE_SWITCH_STACK