MIPS: ptrace: Use tracehook helpers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 5 insertions, 41 deletions

diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 8ae1ebef8b71..7a5d7ac6b0d4 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -24,6 +24,7 @@
 #include <linux/smp.h>
 #include <linux/user.h>
 #include <linux/security.h>
+#include <linux/tracehook.h>
 #include <linux/audit.h>
 #include <linux/seccomp.h>
 
@@ -540,28 +541,9 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
         /* do the secure computing check first */
         secure_computing_strict(regs->regs[2]);
 
-        if (!(current->ptrace & PT_PTRACED))
-                goto out;
+        if (test_thread_flag(TIF_SYSCALL_TRACE))
+                ptrace_report_syscall(regs);
 
-        if (!test_thread_flag(TIF_SYSCALL_TRACE))
-                goto out;
-
-        /* The 0x80 provides a way for the tracing parent to distinguish
-           between a syscall stop and SIGTRAP delivery */
-        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;
-        }
-
-out:
         audit_syscall_entry(audit_arch(), regs->regs[2],
                             regs->regs[4], regs->regs[5],
                             regs->regs[6], regs->regs[7]);
@@ -582,26 +564,8 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs)
 
         audit_syscall_exit(regs);
 
-        if (!(current->ptrace & PT_PTRACED))
-                return;
-
-        if (!test_thread_flag(TIF_SYSCALL_TRACE))
-                return;
-
-        /* The 0x80 provides a way for the tracing parent to distinguish
-           between a syscall stop and SIGTRAP delivery */
-        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;
-        }
+        if (test_thread_flag(TIF_SYSCALL_TRACE))
+                tracehook_report_syscall_exit(regs, 0);
 
         user_enter();
 }